Anti-blocking collecting equipment for manufacturing nano metal powder

Abstract

The invention discloses anti-clogging collecting equipment for manufacturing nano metal powder. Comprising a high-position condensing device (1), a middle-position condensing and filtering device (2), a low-position buffering powder collecting tank (3), a powder collecting and anti-caking device (4), an inert gas tank (7), an air compressor (8), a filtering and returning device (9), a vacuum packaging machine (12), finished product nano metal powder (13), a water tank laminated heat exchanger (14), a liquid cavity wall bottomless barrel heat dissipation tower (15), a control system (16), a water pump A (18), a water pump B (19), a high-position spiral cooling pipe (1016) and a middle-position spiral cooling pipe (2018). A low-position spiral cooling pipe (302); the method is characterized in that metal vapor is condensed at three different temperatures, and then metal powder condensed at the three different temperatures is collected together in a unified mode and packaged into finished product nano metal powder. The device has the beneficial effects that the trouble of frequently shutting down to replace and clean the filter is avoided, the working hours can be saved, the production cost is reduced, and the production efficiency and the economic benefit of nano metal powder are improved.

Description

Technical Field

[0001] The invention relates to production equipment for manufacturing nano metal powder, in particular to anti-clogging collection equipment for manufacturing nano metal powder. Background Art

[0002] With the development of science and technology and the progress of the times, the application of nanometal materials in high-tech fields is becoming more and more extensive, especially nanometal powder, which is widely used in antibacterial and antiviral, medical diagnosis and imaging high-end medical equipment, drug delivery, grinding and polishing, aerospace, 3D printing, catalysis, functional ceramics, electronics, new energy, precision instruments, precision manufacturing and other fields; There are many methods for preparing nano-metal powders, mainly physical vapor deposition, electric explosion, mechanical crushing, etc.; among them, physical vapor deposition, also known as evaporation condensation, is a relatively mature method for manufacturing nano-metal powders, and the particle size of the manufactured nano-metal powder products reaches 5-10nm; the normal evaporation condensation method for producing nano-metal powders is to heat the metal material to a high temperature in a high-temperature evaporation furnace to form metal vapor, and then introduce the metal vapor into a condensation device, and use an inert gas to quench and condense the metal vapor, thereby generating nano-metal powders with fine particles.

[0003] In the past years of production practice of manufacturing nano metal powder, we have found that there are many production technology problems, production efficiency problems and problems that cause product quality defects in the production of nano metal powder products. In particular, there are many defects and problems in the powder collection of nano metal powder. In particular, the equipment and filtering mechanism are easy to clog, resulting in shutdown, affecting the production efficiency of nano metal powder, and leading to high maintenance costs. Common defects and problems are as follows: 1. Technical problems and defects in the condensation and filtration device: metal vapor is easy to clog the filter when condensing, resulting in low condensation and filtration efficiency; powders gather on the filter and do not fall off, resulting in thick powder clogging the filter; the temperature of the cooling chamber is unstable, resulting in uneven size of condensed nano particles. 2. Technical problems and defects in the powder collection and aggregation device: condensed metal powder is easy to agglomerate. 3. Technical problems and defects in the filter: metal powder volume is left in the filter, resulting in low filtration efficiency; the need to frequently clean the filter powder particles and stop the machine. 3. The technical problems and defects of the heat exchanger include: complex structure, high manufacturing precision, high energy consumption, and high manufacturing cost; unstable heat exchange temperature, due to uneven water flow in the double-layer shell wall, water flows in some places and does not flow in other places; the failure rate is high, resulting in low quality of nano-metal powder, frequent shutdowns for maintenance, and unstable production system of nano-metal powder and low production efficiency.

[0004] In order to solve the above problems and defects, we actively organized a technical team, summarized the production experience and practical work lessons over the years, combined with relevant technical theories, conducted in-depth exploration and research, and carried out a lot of creative work such as R&D design, testing, trial, optimization and improvement of powder collection equipment for manufacturing nano metal powder. Summary of the invention

[0005] The present invention provides anti-clogging collection equipment for manufacturing nano metal powder, which can solve the technical problems mentioned in the background technology.

[0006] The technical solution of the present invention to solve the technical problem is: a high-level condensing device, a middle-level condensing and filtering device, a low-level buffer powder gathering tank, a powder collecting and anti-caking device are provided, and also includes an inert gas tank, an air compressor, a filtering and returning device, an electromagnetic reversing valve, a vacuum packaging machine, a three-level spiral tube cooling system, and a control system; during production, the metal vapor is first input into the high-level condensing device and condensed with the inert gas into nano-metal powder and collected, and then the metal vapor that is not condensed in the high-level condensing device is transported to the middle-level condensing device for further condensation into nano-metal powder in the secondary compartment and collected, and further, the metal vapor that is not completely condensed in the middle-level condensing and filtering device is output to the low-level buffer powder gathering tank for Low-temperature buffering condenses into nano-metal powder and collects it; the powder collecting and anti-agglomeration device uniformly collects the nano-metal powder collected by the high-position condensing device, the middle-position condensing and filtering device, and the low-position buffering powder gathering tank and performs centralized anti-agglomeration treatment, and then the treated nano-metal powder is packaged into finished nano-metal powder by a vacuum packaging machine; the filtering performance of the middle-position condensing and filtering device and the filtering and recycling device of the present invention is long-lasting and stable and not easy to be blocked, so that the finished product collection efficiency of the prepared nano-metal powder is high, production energy is saved, production cost is reduced, and the particle size of the nano-metal powder is uniform, non-agglomerated, and the quality is excellent and stable, so that the production efficiency of the nano-metal powder is high, the production cost is low, and the production benefit is good.

[0007] Furthermore, in order to solve the problem that metal vapor is easy to clog the filter when condensing, resulting in low condensation and filtration efficiency; in order to solve the problem that powder gathers on the filter and does not fall off, causing the powder to thicken and clog the filter; the technical solution of the present invention also includes: the mid-position condensation and filtration device includes a cooling bucket wall, a cooling cylinder wall, a cooling silo, a cooling cylinder cover), a sealing ring B, a cover bolt B, a movable vibration partition, an anti-blocking filter, a vibration bracket, a vibrator), a buffer ring bracket ring, an elastic buffer ring, a metal vapor input port, a valve FBa, an electromagnetic valve DFBa, a metal It includes a steam buffer outlet, a valve FBb, a mid-position spiral cooling pipe, a mid-position cooling output port, a mid-position cooling input port, a cooling powder gathering hopper bin, a cooling hopper powder leakage port, a valve FBc, a solenoid valve DFBb, a pressure gauge YBa, an air inlet and outlet pipe, a valve FBd, a confluence pipe, a buffer ring upper cover ring, an air filter bin, and a temperature sensor tBa; the cooling silo is a cylindrical cone bottom structure, and a movable vibration partition is installed in the cooling silo; an anti-blocking filter is installed in the movable vibration partition, a vibration bracket is installed on the movable vibration partition, and a vibrator is installed on the vibration bracket.

[0008] The mid-level condensation and filtration device is a cone-bottomed cylindrical body, and a mid-level spiral cooling pipe is arranged outside the cylindrical body of the mid-level condensation and filtration device. The upper part of the mid-level spiral cooling pipe is connected to the high-level spiral cooling pipe installed in the high-level condensation device, and the lower part is connected to the low-level spiral cooling pipe installed in the low-level buffer powder aggregation tank. The upper end of the low-level spiral cooling pipe has a lower horizontal height than the lower end of the mid-level spiral cooling pipe; the lower end of the high-level spiral cooling pipe has a higher horizontal height than the upper end of the mid-level spiral cooling pipe. The substantial features and significant progress of the technical characteristics of the median condensation filtration device are: the anti-blocking filter can spray high-pressure inert gas into the cooling silo in pulses at intervals, so that the metal vapor in the cooling silo can be quickly condensed; and the anti-blocking filter can discharge the inert gas in the cooling silo that has reacted with the metal vapor in the cooling silo to the filter gas bin in pulses at intervals, thereby making the condensation efficiency of the metal vapor into nano-metal powder high, making the nano-particles uniform, making the anti-blocking filter not easy to be blocked, and being able to work stably for a long time, avoiding the trouble of replacement and maintenance caused by the filter of the prior art that the filter is easily blocked by the nano-metal powder, and can avoid the production stoppage and maintenance costs caused by replacing and repairing the filter, can reduce production costs, and improve the output and quality of nano-metal powder.

[0009] Furthermore, in order to solve the problem of metal powder accumulation in the filter and low filtering efficiency; the need to frequently clean the filtered powder particles and cause the trouble of downtime; the anti-blocking filter includes a cone filter body, a cone filter chamber, a cone filter body, a cone filter chamber), a connecting screw body, a connecting straight-through, a cone leak, a magnetic column, a connecting nut, a connecting nut pad, a magnetic piston, a magnetic live disk, a blockage suction column, a blow-through groove, a three-way frame, a riveted coupling, and a riveted head; there are 3-6 magnetic columns, which are distributed in an array around the cone leak, and are used to attract the magnetic live disk of the magnetic piston, so that the magnetic piston will not fall when it is blown and pushed by high-pressure inert gas in the cone leak, and plays a role in actively removing the accumulated nano-metal powder in the cone filter chamber and the cone filter chamber, so that the anti-blocking filter is not easy to be blocked, has a long service life, and avoids frequent replacement; The function of the magnetic suction piston is as follows: when there is high-pressure inert gas in the cone filter chamber, the high-pressure inert gas will blow the magnetic suction piston through the blowing groove to extend out of the cone funnel of the anti-blocking filter, so that the nano-metal powder in the cylinder filter chamber and the cone funnel filter chamber of the anti-blocking filter is blown out by the high-pressure inert gas through the blowing groove of the magnetic suction piston, so that there will be no nano-metal powder accumulation in the cylinder filter chamber and the cone funnel filter chamber of the anti-blocking filter, that is, the anti-blocking filter is not easy to be blocked and can be used for a long time, thereby improving the production efficiency and production speed of manufacturing metal powder; The substantial and significant progress of the technical solution of the anti-clogging filter is that: the intermittent high-pressure inert gas impacts the cone filter body, making the cone filter body not easily blocked by condensed metal powder, so that the cone filter body has long-lasting filtering performance, avoiding the defects of the prior art of frequent shutdown and replacement of the filter device due to frequent blockage of the filter device, and being able to increase the production efficiency of nano metal powder, reduce production costs, and improve the product quality and economic benefits of nano metal powder.

[0010] Furthermore, the technical solutions for solving the technical problems of the present invention include: an electromagnetic reversing valve is provided between the mid-position condensation and filtration device, the air compressor, and the filter and return material device, and the function of the electromagnetic reversing valve is to continuously switch the channels between the mid-position condensation and filtration device and the air compressor and the filter and return material device, forming an interval or inputting the high-pressure inert gas of the air compressor into the mid-position condensation and filtration device and condensing the metal vapor, or inputting the inert gas of the mid-position condensation and filtration device into the filter and return material device, so that the mid-position condensation and filtration device has continuous intervals of high-pressure inert gas impacting the metal vapor, and can continuously and intermittently deliver the inert gas impacting the metal vapor to the filter and return material device, so that the mid-position condensation and filtration device continuously and uninterruptedly inhales new high-pressure inert gas and exhales the inert gas that has been condensed and reacted, thereby continuously ensuring the high-efficiency production of nano metal powder by the mid-position condensation and filtration device, and the method can also improve the forming quality of the nano metal powder, so that the particle size of the nano metal powder is uniform and the roundness is good.

[0011] Furthermore, in order to solve the problem of uneven size of condensed nanoparticles caused by unstable temperature of the condensing device; the technical solution of the present invention also includes: the three-water-level spiral tube cooling system is used to continuously and uninterruptedly cool the high-level condensing device, the middle-level condensing and filtering device, and the low-level buffer powder gathering tank, so that the high-level condensing device, the middle-level condensing and filtering device, and the low-level buffer powder gathering tank can reach a suitable temperature, thereby making the high-level condensing device, the middle-level condensing and filtering device, and the low-level buffer powder gathering tank have high condensation efficiency for metal vapor and good nanoparticle formation.

[0012] The three-water-level spiral tube cooling system includes a water tank stacked heat exchanger, a liquid cavity wall bottomless tube heat dissipation tower, a water pump A, a water pump B, a low-level spiral cooling tube, a middle-level spiral cooling tube, a high-level spiral cooling tube, and a cooling temperature control system; its cooling characteristics are: the cooling water spirally flows from the low water level end of the low-level spiral cooling tube to the high water level end, and then spirally flows from the low water level end of the middle-level spiral cooling tube to the high water level end, and then spirally flows from the low water level end of the high-level spiral cooling tube to the high water level end; the cooling water output from the high water level of the high-level spiral cooling tube is input into the water tank stacked heat exchanger through the water pump B, valve Eba, and valve Ec for cold and heat exchange, and then output to the low water level end of the low-level spiral cooling tube for circulation.

[0013] The cooling method and structure of the three-water-level spiral tube cooling system greatly reduce the electric energy consumed by energy conversion cooling, better save the cost in the production process, and have a low failure rate and a long service life, which can reduce the cost of nano-metal powder production and promote the quality improvement and production efficiency improvement of nano-metal powder production.

[0014] Further, in order to solve the problem that condensed metal powder is easy to agglomerate; the technical solution of the present invention also includes: the powder collecting and anti-agglomeration device includes: a powder collecting cylinder wall, a powder collecting cylinder silo, a powder collecting hopper wall, a powder collecting hopper silo, a powder collecting cylinder cover, a sealing ring C, a cover bolt C, a hanging frame, a spiral stirring paddle, a heating hopper, a powder collecting hopper funnel, a powder collecting hopper leak, a powder collecting conveying pipe, a valve FCa, a vacuum gauge ZYCa, a valve FCb, a solenoid valve DFDa, a valve FCc, a solenoid valve DFDb, a valve FCd, a valve FCf, a filter C, a solenoid valve DFDc, a valve FCe, a vacuum gauge ZYCb, a temperature sensor tDa, a stirring motor, a nano-metal powder input channel A, a nano-metal powder input channel B, a nano-metal powder input channel C, and a nano-metal powder input channel D; the valve FCb is used to connect a high-level condensation device, the valve FCc is used to connect a mid-level condensation and filtration device, the valve FCd is used to connect a low-level buffer powder aggregation tank, the valve FCf is used to connect a filter and return device, and the valve FCa is used to connect a vacuum packaging machine.

[0015] The powder collecting and anti-agglomeration device is used to gather the nano-metal powder input from the high-position condensation device, the middle-position condensation and filtration device, the low-position buffer powder gathering tank, and the filtering and returning device, and adopts a spiral stirring blade and a heating bucket to stir and heat the nano-metal powder, which can prevent the nano-metal powder from agglomerating due to long-term accumulation, thereby achieving the purpose of collecting the nano-metal powder and solving the problem of the nano-metal powder agglomerating, so that the powder collecting and anti-agglomeration device can achieve the effect of aggregating the nano-metal powder and preventing agglomeration.

[0016] Furthermore, in order to solve the problem that the production failure rate is high, resulting in low quality of nano metal powder, resulting in frequent shutdowns for maintenance, making the production system of nano metal powder unstable and the production efficiency low; the technical scheme of the present invention is as follows: the filtering and returning device includes a filtering and returning barrel wall, a powder filtering and returning bin, a filtering and returning hopper wall, a filtering and returning hopper bin, a filtering and returning pipe, a filtering and returning port, a buffer input port, a filtering input port, a filtering and returning cover, a filtering and output pipe, a connecting bolt barrel, a metal cylindrical filtering wall H, a gas filtering bin D, a metal filtering cone wall D, a conical nano particle The filter output pipe is used to connect the inert gas tank and the air compressor input, the filter input port is used to connect the mid-level condensation filter device and the air compressor output, the buffer input port is used to connect the low-level buffer powder gathering tank, and the filter return pipe is used to connect the powder collection and anti-caking device; the filter return device functions to further filter the inert gas that has reacted with the metal vapor output by the mid-level condensation filter device and the low-level buffer powder gathering tank, and can automatically transport the filtered nano metal powder to the powder collection and anti-caking device.

[0017] The function of the filtering and recycling device is to filter and separate the inert gas that has reacted with the metal vapor condensation reaction in the mid-level condensation filtering device into clean inert gas and metal powder, and to transport the clean inert gas to the inert gas tank and the air compressor for reuse, and to transport the filtered metal powder to the powder collection and anti-caking device. The filtering and recycling device has high filtering efficiency, avoids the trouble of frequent shutdown and filter cleaning in the prior art, and also reduces the cost of frequent filter replacement, which can reduce the production cost of manufacturing nano metal powder.

[0018] The beneficial effects of the filtering and recycling device are: it can further filter the inert gas that has reacted with the metal vapor and is output from the mid-level condensation filtering device and the low-level buffer powder aggregation tank, and can automatically separate the nano metal powder and the inert gas in the gas that has reacted with the metal vapor and the inert gas, discharge the inert gas from the filtering output pipe, and discharge the nano metal powder from the filtering and recycling port and the filtering and recycling pipe.

[0019] Furthermore, in order to solve the problems of complex structure, high manufacturing precision, high manufacturing cost, unstable heat exchange temperature and high failure rate of the heat exchanger, the technical solutions of the present invention include: a water tank sandwich heat exchanger of a three-water-level spiral tube cooling system; the water tank sandwich heat exchanger is provided with four layers of heat dissipation tanks and two layers of cooling tanks, the heat dissipation tanks sandwich the cooling tanks in the middle, the second layer of cooling water tanks is sandwiched by the first layer of heat dissipation liquid tanks and the third layer of heat dissipation liquid tanks, and the fifth layer of cooling water tanks is sandwiched by the fourth layer of heat dissipation liquid tanks and the sixth layer of heat dissipation liquid tanks; the cooling water of the second layer of cooling water tanks and the fifth layer of cooling water tanks is heat-exchanged with the heat dissipation liquid of the first layer of heat dissipation liquid tanks and the third layer of heat dissipation liquid tanks, the fourth layer of heat dissipation liquid tanks and the sixth layer of heat dissipation liquid tanks; since the heat dissipation liquid of the first layer of heat dissipation liquid tanks and the third layer of heat dissipation liquid tanks, the fourth layer of heat dissipation liquid tanks and the sixth layer of heat dissipation liquid tanks sandwiches the cooling water of the second layer of cooling water tanks and the fifth layer of cooling water tanks, the heat exchange efficiency is high and the structure is simple, so that the failure rate is low, the maintenance cost is low, the production cost is low, the cooling performance is stable, and the service life is long.

[0020] In many years of production practice, we have found many problems with the existing technology, especially in the existing technology, the finned wave tube of the heat exchanger has a complex structure, and it is easy to corrode and damage, break and leak when exchanging heat with the water in the water tank, resulting in frequent production stoppages, repairs of the finned wave tubes, and then resumption of production after welding repairs. After a period of production, the problem of damage and leakage caused by corrosion by water or coolant will occur again, and the cycle of repeated stoppage, repair and resumption of production will be repeated; resulting in low production efficiency, unstable quality and high production cost of nano metal powder, which makes the production efficiency of the nano metal powder industry low, the product price is high, and it cannot be well promoted and applied in an advanced way. In order to solve the technical pain point problem, we organized many years of practical experience and technical R&D personnel, and through repeated tests, inspections, trial comparisons and analyses, concluded that the invented water tank sandwich heat exchanger has high stability, long service life, low production cost, high production efficiency, and excellent product quality of nano metal powder.

[0021] The control system includes a power supply, a control cabinet, a control computer, a switch, and a cooling temperature control system; the control cabinet is connected to an air compressor, an electromagnetic reversing valve, and a vacuum packaging machine; the control computer is connected to the switch, the cooling temperature control system, and the control cabinet; and the control computer includes control software.

[0022] The cooling temperature control system includes a single-chip microcomputer controller, a temperature sensor tAa, a temperature sensor tBa, a temperature sensor tCa, a temperature sensor tEa, a temperature sensor tFa, a water pump A, and a water pump B; the single-chip microcomputer controller includes a CPU, a power module, a network module, an A / D input module, a thyristor output module, a MAX232 module, a ROM memory, and a RAM memory; the network module of the single-chip microcomputer controller is connected to the control system; the A / D input module is connected to the temperature sensor tAa, the temperature sensor tBa, the temperature sensor tCa, the temperature sensor tEa, and the temperature sensor tFa; the thyristor output module is connected to the water pump A and the water pump B.

[0023] The present invention adopting the above technical solution is an anti-clogging collection equipment for manufacturing nano metal powder in a nano metal powder production system. The invention comprises a high-position condensing device, a middle-position condensing and filtering device, a low-position buffer powder gathering tank, a powder collecting and anti-caking device, a metal ore, a metal evaporation furnace, an inert gas tank, an air compressor, a filtering and returning device, an electromagnetic reversing valve, a vacuum packaging machine, a finished nano-metal powder, a three-water-level spiral tube cooling system, a control system and nano-metal powder; and a nano-metal powder production system is formed together with the metal evaporation furnace and the metal ore; the metal vapor evaporated by the metal ore in the metal evaporation furnace enters the high-position condensing device of the invention, a part of the metal vapor in the high-position condensing device is condensed into metal nano-powder by the inert gas in the inert gas tank and then transported to the powder collecting and anti-caking device, another part of the metal vapor is transported to the middle-position condensing and filtering device for further condensation into metal powder and then transported to the powder collecting and anti-caking device, another part of the metal vapor is transported to the low-position buffer powder gathering tank, the metal vapor in the low-position buffer powder gathering tank is buffer-cooled into nano-metal powder in the low-position buffer powder gathering tank and transported to the powder collecting and anti-caking device; the powder collecting and anti-caking device collects the high-position condensing device. The nano-metal powder in the high-position condensing device, the middle-position condensing filtering device and the low-position buffer powder gathering tank is heated and stirred and then conveyed to a vacuum packaging machine, and the vacuum packaging machine packages the nano-metal powder into vacuum-packed nano-metal powder; when the middle-position condensing filtering device is working, the inert gas high-pressure pulse input of the inert gas tank is impact-condensed with the metal vapor through the air compressor and the electromagnetic reversing valve, and then the inert gas condensed with the metal powder is conveyed to the filtering and returning device for filtration through the electromagnetic reversing valve at intervals, and after the filtering and returning device filters the inert gas, the nano-metal powder is returned to the powder collecting and anti-caking device, and the inert gas is returned to the inert gas tank at the same time; the three-water-level spiral tube winding cooling system is used to cool the high-position condensing device, the middle-position condensing filtering device and the low-position buffer powder gathering tank, so that the temperature of the high-position condensing device is controlled at 200-160 degrees, the temperature of the middle-position condensing filtering device is controlled at 160-120 degrees, and the temperature of the low-position buffer powder gathering tank is controlled at 120-80 degrees, and the control system controls the normal operation of the present invention.

[0024] The beneficial effects of the present invention are as follows: by adopting the compartment condensation method, the uncondensed metal vapor of the high-level condensation device is transported to the middle-level condensation and filtration device for further condensation and collection in compartment insulation, and the remaining uncondensed metal vapor of the middle-level condensation and filtration device is further output to the low-level buffer powder gathering tank for low-temperature condensation into nano metal powder, the nano metal powder is collected in sections, the nano metal powder is centrally anti-caking treated, and the nano metal powder is vacuum packaged, wherein the middle-level condensation and filtration device (2) can be blown back to avoid the trouble of frequent shutdown for filter replacement and cleaning, which can save labor time, reduce production costs, and improve the production efficiency and economic benefits of nano metal powder.

[0025] Therefore, the collection efficiency of the finished product of the nano metal powder is high, production energy is saved, production costs are reduced, the particle size of the nano metal powder is uniform, non-agglomerated, the quality is excellent and stable, and the production efficiency and cost of the nano metal powder are low, and the production benefits are good.

[0026] The spiral cooling tube of the three-water-level spiral tube cooling system, the liquid cavity wall bottomless tube heat dissipation tower, and the water tank sandwich heat exchanger (14) are simple in structure, easy to manufacture, and low in cost; not easy to break or leak, and have a low failure rate; have a long service life, stable performance, save energy, and have high heat dissipation efficiency; thereby improving the quality of nano metal powders and the production efficiency of nano metal powders. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The present invention is a block diagram of the working principle of a nano metal powder production system.

[0028] Figure 2 The present invention is a schematic diagram of the structure and working principle of a nano metal powder production system.

[0029] Figure 3 It is a structural cross-sectional view of the high-position condensing device of the present invention.

[0030] Figure 4 It is a top view of the structure of the high-position condensing device of the present invention.

[0031] Figure 5 This is a cross-sectional view of the structure of a multi-channel spray nozzle.

[0032] Figure 6 It is a structural cross-sectional view of the mid-position condensation filtration device of the present invention.

[0033] Figure 7 It is a top view of the structure of the median condensation filtration device of the present invention.

[0034] Figure 8 It is a structural cross-sectional view of the anti-clogging filter of the present invention.

[0035] Fig. 9for Figure 8 A magnified view of part I.

[0036] Fig.10 for Fig. 9 Structural breakdown diagram.

[0037] Fig.11 Multiple views of the structure of the magnetic piston.

[0038] Fig.12 It is a structural cross-sectional view of the powder collecting and anti-caking device of the present invention.

[0039] Fig.13 It is a top view of the structure of the powder collecting and anti-caking device of the present invention.

[0040] Fig.14 It is a structural cross-sectional view of the filtering and recycling device of the present invention.

[0041] Fig.15 This is a schematic diagram of the structure of the three-water-level spiral tube cooling system of the present invention.

[0042] Fig.16 The electrical schematic diagram of the cooling temperature control system of the three-water-level spiral tube cooling system of the present invention.

[0043] The numbers in the figure are: 1. High-level condensing device; 2. Mid-level condensing and filtering device; 3. Low-level buffer powder gathering tank; 4. Powder collecting and anti-caking device; 5. Metal ore; 6. Metal evaporation furnace; 7. Inert gas tank; 8. Air compressor; 9. Filter return device; 10. Solenoid reversing valve; 11. Vacuum pump; 12. Vacuum packaging machine; 13. Finished nano-metal powder; 14. Water tank stacked heat exchanger; 15. Liquid cavity wall bottomless tube heat dissipation tower; 16. Control system; 17. Nano-metal powder; 18. Water pump A; 19. Water pump B.

[0044] 1016. High-position spiral cooling pipe; 2018. Middle-position spiral cooling pipe; 302. Low-position spiral cooling pipe; 303. Temperature sensor tCa.

[0045] 71. Valve Fa; 72. Pressure gauge Ya; 73. Valve Fb; 74. Valve Fd; 109. Pressure gauge Yb; 81. Pressure gauge Yc; 82. Valve Fe; 83. Check valve Ha; 84. Check valve Hb; 2025. Pressure gauge Yd; 31. Pressure gauge Ye; 32. Valve Fe; 33. Solenoid valve DFc; 34. Valve Ft; 4015. Vacuum gauge ZYa; 4025. Vacuum gauge ZYb.

[0046] 101. Condensation cylinder wall; 102. Cold condensation powder hopper wall; 103. Cold condensation cylinder cover; 104. Metal vapor input elbow; 105. Metal vapor input straight pipe; 106. Multi-way split-shooting nozzle; 107. Cover bolt A; 108. Sealing ring A; 109. Pressure gauge YAa; 1010. Valve FAa; 1011. Condensation silo; 1012. Upper shot control solenoid valve DFAa; 1013. Valve FAb; 1014. Lower shot control solenoid valve DFAb; 101 5. Valve FAc; 1016. High-level spiral cooling pipe; 1017. High-level cooling input port; 1018. Solenoid valve DFAc; 1019. Valve FAd; 1020. Bucket mouth; 1021. Cold condensation powder bucket; 1022. High-level cooling output port; 1023. Inert gas main input ring pipe; 1024. Connecting pipe; 1025. Inert gas input port; 1026. Inert gas injection head; 1027. Valve tAe; 1028. Temperature sensor tAa.

[0047] 106. Multi-channel spray nozzle; 1061. Cylindrical wall; 1062. Collecting and dispersing cavity; 105. Metal vapor input straight pipe; 1063. Spraying port; 1064. Conical dispersion head; 1065. Fastening bolt AS; 1066. Circular cover.

[0048] 201. Cooling bucket wall; 202. Cooling cylinder wall; 203. Cooling silo; 204. Cooling cylinder cover; 205. Sealing ring B; 206. Cover bolt B; 207. Movable vibration partition; 208. Anti-blocking filter; 209. Vibration bracket; 2010. Vibrator; 2011. Buffer ring bracket ring; 2012. Elastic buffer ring; 2013. Metal vapor inlet; 2014. Valve FBa; 2015. Solenoid valve DFBa; 2016. Metal vapor buffer outlet; 201 7. Valve FBb; 2018. Mid-position spiral cooling pipe; 2019. Mid-position cooling output port; 2020. Mid-position cooling input port; 2021. Cooling powder hopper bin; 2022. Cooling hopper powder leakage port; 2023. Valve FBc; 2024. Solenoid valve DFBb; 2025. Pressure gauge YBa; 2026. Inlet and outlet air pipes; 2027. Valve FBd; 2028. Manifold; 2029. Buffer ring cover ring; 2030. Air filter bin; 2031. Temperature sensor tBa.

[0049] 2081. Conical cylinder filter body; 2082. Conical cylinder filter chamber; 2083. Conical bucket filter body; 2084. Conical bucket filter chamber; 2085. Connecting screw body; 2086. Connecting straight-through; 2087. Conical bucket leak; 2088. Magnetic column; 2089. Magnetic suction piston; 20810. Connecting nut washer; 20811. Connecting nut.

[0050] 20891. Suction blockage column; 20892. Blow through the groove; 20893. Three-way frame; 20894. Riveted coupling; 20895. Riveted head; 20896. Magnetic suction movable disk.

[0051] 401. Powder collecting cylinder wall; 402. Powder collecting cylinder silo; 403. Powder collecting hopper wall; 404. Powder collecting hopper silo; 405. Powder collecting cylinder cover; 406. Sealing ring C; 407. Cover fixing bolt C; 408. Lifting frame; 409. Spiral stirring paddle; 410. Heating hopper; 4011. Powder collecting hopper leakage pipe; 4012. Powder collecting hopper leakage; 4013. Powder collecting conveying pipe; 4014. Valve FCa; 4015. Vacuum gauge ZYCa; 4016. Valve FCb; 4017. Solenoid valve DFDa; 4018. Valve FCc; 4019. Solenoid valve DFDb; 4020. Valve FCd; 4021. Valve FCf; 4022. Filter C; 4023. Solenoid valve DFDc; 4024. Valve FCe; 4025. Vacuum gauge ZYCb; 4026. Temperature sensor tDa; 4027. Stirring motor; 4051. Nanometal powder input channel A; 4052. Nanometal powder input channel B; 4053. Nanometal powder input channel C; 4054. Nanometal powder input channel D.

[0052] 901. Filter return barrel wall; 902. Powder filter return bin; 903. Filter return hopper wall; 904. Filter return hopper bin; 905. Filter return pipe; 906. Filter return port; 907. Buffer input port; 908. Filter input port; 909. Filter return cover; 9010. Filter output pipe; 9011. Connecting bolt barrel; 9012. Metal cylinder filter wall H; 9013. Gas filter bin D; 9014. Metal filter cone wall D; 95. Conical nanoparticle filter element; 96. VV-shaped anti-surface adsorption gasket.

[0053] 1401. First layer heat dissipation tank; 1402. Second layer cooling water tank; 1403. Third layer heat dissipation tank; 1404. Fourth layer heat dissipation tank; 1405. Fifth layer cooling water tank; 1406. Sixth layer heat dissipation tank; 1407. Main heat dissipation bottom plate; 1408. Heat exchange lower plate A; 1409. Heat exchange lower plate B; 1410. Middle right partition plate; 1411. Heat exchange upper plate A; 1412. Heat exchange upper plate B; 1413. Main heat dissipation upper plate; 1414. Middle left partition plate; 1415. Main heat dissipation left plate; 1416. Heat exchange vertical plate A; 1417. Heat exchange vertical plate B; 1418. Heat exchange vertical plate C; 1419. Heat exchange vertical plate D; 1420. Main heat dissipation right side plate; 1421. Temperature sensor tEa; 1422. Valve Ea; 1423. Valve Eb; 1424. Valve Ec; 1425. Valve Ed; 1426. Heat dissipation liquid flow direction; 1427. Cooling water flow direction.

[0054] 1501. Outer wall vertical tube; 1502. Inner wall vertical tube; 1503. Annular heat dissipation liquid groove; 1504. Heat dissipation airflow cylinder cavity; 1505. Upper air vent of tower; 1506. Lower air vent of tower; 1507. Ventilation tower; 1508. Heat dissipation liquid outlet; 1509. Heat dissipation liquid inlet; 1510. Heat dissipation airflow flow direction; 1511. Temperature sensor tFa; 1512. Valve Eba; 1513. Annular bottom wall; 1514. Annular cover wall.

[0055] 18. Water pump A; 19. Water pump B; 1016. High-position spiral cooling pipe; 2018. Middle-position spiral cooling pipe; 302. Low-position spiral cooling pipe; 1601. Cooling temperature control system; 1700. Connecting pipe. DETAILED DESCRIPTION

[0056] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0057] exist Figure 1 The present invention is an anti-clogging collection equipment for manufacturing nano metal powder in a nano metal powder production system, which is composed of a high-level condensing device, a mid-level condensing and filtering device, a low-level buffer powder gathering tank, a powder collecting and anti-caking device, an inert gas tank, an air compressor, a filtering and returning device, an electromagnetic reversing valve, a vacuum packaging machine, a three-level spiral tube cooling system, a control system, and finished nano metal powder; it forms a nano metal powder production system with a metal evaporation furnace and metal ore.

[0058] exist Figure 1The working principle of the nano-metal powder production system using the present invention is that the metal vapor evaporated by the metal ore through the metal evaporation furnace enters the high-level condensing device of the present invention, a part of the metal vapor in the high-level condensing device is condensed into nano-metal powder by the inert gas output by the inert gas tank and then transported to the powder collecting and anti-caking device, and a part of the metal vapor is transported to the mid-level condensation and filtration device for further condensation and filtration, and the condensed metal powder is transported to the powder collecting and anti-caking device, and the filtered inert gas is switched by the electromagnetic reversing valve and input to the filtering and returning device for further filtration; a part of the metal vapor that has not been condensed in the mid-level condensation and filtration device is transported to A low-level buffer powder aggregation tank; most of the metal vapor in the low-level buffer powder aggregation tank is buffer-cooled into nano-metal powder in the low-level buffer powder aggregation tank and transported to the powder collection and anti-agglomeration device, and the remaining small part of the metal vapor is output to the filtering and recycling device; the filtering and recycling device further filters and separates the inert gas input by the electromagnetic reversing valve and the metal vapor input by the low-level buffer powder aggregation tank, and transports the separated inert gas to the inert gas tank and the air compressor to recycle the inert gas, and transports the separated nano-metal powder to the powder collection and anti-agglomeration device; the powder collection and anti-agglomeration device inputs the filtering and recycling device, the low-level buffer powder aggregation tank, the middle-level condensation filtration device, and the high-level condensation device The nano-metal powder is heated and stirred and then conveyed to a vacuum packaging machine, which packages the nano-metal powder into vacuum-packed finished nano-metal powder; the bottom end height of the high-level condensing device is set to be higher than the center height of the middle-level condensing and filtering device, the top end height of the low-level buffer powder gathering tank is lower than the center height of the middle-level condensing and filtering device, and the top end height of the powder collecting and anti-caking device is lower than the bottom end heights of the high-level condensing device, the middle-level condensing and filtering device, and the low-level buffer powder gathering tank; the spiral pipes of the three-water-level spiral pipe cooling system are wound in series on the outer walls of the high-level condensing device, the middle-level condensing and filtering device, and the low-level buffer powder gathering tank, and when the water of the spiral pipe circulates, it can produce a gradual The cooling effect controls the temperature of the high-level condensation device, the middle-level condensation and filtration device, and the low-level buffer powder collection tank to the temperature required for the metal vapor to condense into nano-metal powder; the control system controls the temperature and speed of the normal operation of the present invention; when the middle-level condensation and filtration device is working, the inert gas high-pressure pulse input of the inert gas tank is condensed with the metal vapor through the air compressor and the electromagnetic reversing valve, and then the inert gas condensed with the metal powder is sent to the filter return device for filtration through the electromagnetic reversing valve at intervals. After filtering the inert gas, the filter return device returns the nano-metal powder to the powder collection and anti-caking device, and at the same time, the inert gas is returned to the inert gas tank;The three-water-level spiral tube cooling system is used to cool the high-level condensing device, the middle-level condensing and filtering device, and the low-level buffer powder gathering tank, so that the temperature of the high-level condensing device is controlled at 200-160 degrees, the temperature of the middle-level condensing and filtering device is controlled at 160-120 degrees, and the temperature of the low-level buffer powder gathering tank is controlled at 120-80 degrees. The control system controls the temperature and running speed of the high-level condensing device, the middle-level condensing and filtering device, the low-level buffer powder gathering tank, and the powder collection and anti-caking device, controls the switching of the electromagnetic reversing valve, and controls the temperature of the three-water-level spiral tube cooling system. ; Example

[0059] exist Figure 2 The present invention is an anti-clogging collection device for manufacturing nano-metal powder, and the present invention comprises a high-position condensing device (1), a mid-position condensing and filtering device (2), a low-position buffer powder gathering tank (3), a powder collecting and anti-caking device (4), an inert gas tank (7), an air compressor (8), a filtering and returning device (9), an electromagnetic reversing valve (10), a vacuum pump (11), a vacuum packaging machine (12), finished nano-metal powder (13), a water tank stacked heat exchanger (14), a liquid cavity wall bottomless tube heat dissipation tower (15), a control system (16), nano-metal powder (17), a water pump A (18), a water pump B (19), a high-position spiral cooling pipe (1016), a mid-position spiral cooling pipe (2018), a low-position spiral cooling pipe (302), a valve Fa (71), a pressure gauge Ya (72), a valve Fb (73), a valve Gate Fc (74), pressure gauge Yb (109), valve FAa (1010), valve FAe (1027), (81) pressure gauge Yc, valve Fe (82), non-return valve Ha (83), non-return valve Hb (84), pressure gauge Yd (2025), pressure gauge Ye (31), valve Ff (32), solenoid valve DFc (33), valve Ft (34), vacuum gauge ZYa (4015), vacuum gauge ZYb (4025), valve Eba (1512); the metal ore (5) and metal evaporation furnace (6) in the figure are devices and materials other than those of the present invention, and when combined with the present invention, a nano-metal powder production system is formed, wherein the metal ore (5) and metal evaporation furnace (6) are used to embody the actual application and working principle of the present invention in the nano-metal powder production system.

[0060] exist Figure 2In the process, the metal vapor is condensed at three different temperatures, and the metal powders condensed at the three different temperatures are uniformly collected and packaged into finished nano metal powders, thereby improving the speed of converting the metal vapor into nano metal powders and the degree of formation of the nano particles, thereby improving the production quality, quantity and production efficiency of the nano metal powders; the first condensation is as follows: the high-level condensation device (1) condenses the metal vapor generated by the metal evaporation furnace (6), and conveys the condensed nano metal powders to the powder collecting and anti-agglomeration device (4), and conveys the uncondensed metal vapor to the middle-level condensation and filtration device (2); the second condensation is as follows: the middle-level condensation and filtration device (2) condenses the metal vapor conveyed by the high-level condensation device (1) with the inert gas of the interval pulse of the electromagnetic reversing valve (10) into nano metal powders, and conveys them to the powder collecting and anti-agglomeration device (4), and conveys the uncondensed metal vapor to the low-level buffer powder gathering tank (3), The inert gas after the condensation reaction is transported to the filtering and recycling device (9) at intervals through the electromagnetic reversing valve (10); the filtering and recycling device (9) filters the reacted inert gas, separates the gas and solid, outputs the nano-metal powder to the powder collecting and anti-agglomeration device (4), and outputs the filtered inert gas to the inert gas tank (7); the third condensation is as follows: the low-level buffer powder collecting tank (3) cools the metal vapor transported by the middle-level condensation and filtration device (2) into nano-metal powder and transports it to the powder collecting and anti-agglomeration device (4), and transports the uncondensed metal vapor to the filtering and recycling device (9); the powder collecting and anti-agglomeration device (4) performs anti-agglomeration treatment on the nano-metal powder input by the high-level condensation device (1), the middle-level condensation and filtration device (2), the low-level buffer powder collecting tank (3), and the filtering and recycling device (9), and then transports it to the vacuum packaging machine (12) for vacuum packaging to obtain the finished nano-metal powder (13).

[0061] exist Figure 2 The control technology feature of the electromagnetic reversing valve (10) is that: the channel between the middle condensation filter device (2) and the air compressor (8) and the filter return device (9) is continuously switched to form an interval, or the high-pressure inert gas of the air compressor (8) is input into the middle condensation filter device (2) to condense with the metal vapor, or the inert gas of the middle condensation filter device (2) is input into the filter return device (9), so that the middle condensation filter device (2) has a continuous interval of high-pressure inert gas impacting the metal vapor, and the inert gas that has impacted the metal vapor can be continuously and intermittently delivered to the filter return device (9), so that the middle condensation filter device (2) continuously and uninterruptedly inhales new high-pressure inert gas and exhales inert gas that has reacted with the metal vapor condensation, thereby preventing the middle condensation filter device (2) from being blocked and continuously ensuring the middle condensation filter device (2) to produce nano metal powder with high efficiency. The method can also improve the forming quality of the nano metal powder, so that the particle size of the nano metal powder is uniform and the roundness is good.

[0062] exist Figure 2 , Fig.14 The technical feature of the filtering and recycling device (9) is that the inert gas that has undergone condensation reaction with metal vapor in the intermediate condensation filtering device (2) is filtered and separated into clean inert gas and metal powder, and the clean inert gas is transported to the inert gas tank (7) and the air compressor (8) for reuse, and the filtered metal powder is transported to the powder collection and anti-caking device (4). The filtering and recycling device (9) has high filtering efficiency, avoids the trouble of frequent shutdown for cleaning the filter in the prior art, and reduces the cost of frequent filter replacement, thereby reducing the production cost of manufacturing nano metal powder.

[0063] exist Figure 2 , Fig.12 The technical feature of the powder collecting and anti-agglomeration device (4) is that the metal powder input from the high-position condensation device (1), the middle-position condensation and filtration device (2), and the low-position buffer powder collecting tank (3) is collected and stirred and heated to perform anti-agglomeration treatment on the metal powder, thereby achieving the effect of preventing the metal powder from agglomerating easily.

[0064] exist Figure 2 , Fig.15In the embodiment, the high-level spiral cooling tube (1016), the middle-level spiral cooling tube (2018), the low-level spiral cooling tube (302), the water tank sandwich heat exchanger (14), and the liquid cavity wall bottomless tube heat dissipation tower (15) form a three-water-level spiral tube winding cooling system. The three-water-level spiral tube winding cooling system has the functions of: cooling the high-level condensing device (1), the middle-level condensing and filtering device (2), and the low-level buffer powder gathering tank (3), and ensuring the high-level condensing device (1), the middle-level condensing and filtering device (2), and the low-level buffer powder gathering tank (3 ) can maintain a suitable temperature; the three-water-level spiral tube cooling system is characterized in that: three different water-level points, a water tank sandwich heat exchanger (14), and a liquid cavity wall bottomless tube heat dissipation tower (15) are provided, and the hot water at the three water-level points exchanges heat energy with the water cooled by the liquid cavity wall bottomless tube heat dissipation tower (15) through the water tank sandwich heat exchanger (14), thereby forming a high-level spiral cooling tube (1016), a middle-level spiral cooling tube (2018), and a low-level spiral cooling tube (302) at the three different water-level points. The cooling effect is achieved, thereby realizing a continuous cooling effect and cooling effect on the low-position buffer powder gathering tank (3), the middle-position condensation and filtering device (2), and the high-position condensation device (1); and different gradual cooling effects can be naturally produced on the three water points in sequence, so that the low-position buffer powder gathering tank (3), the middle-position condensation and filtering device (2), and the high-position condensation device (1) form a stepped cooling effect, that is, the temperature of the middle-position spiral cooling pipe (2018) is lower than the temperature of the high-position spiral cooling pipe (1016), and the temperature of the low-position spiral cooling pipe (302) is lower than the temperature of the middle-position spiral cooling pipe (2018); such cooling effect enables the high-position condensation device (1), the middle-position condensation and filtering device (2), and the low-position buffer powder gathering tank (3) to have high condensation efficiency for metal vapor and uniform nano powder particle formation, and such cooling method and structure greatly reduce the electric energy required for energy conversion cooling, and better still, save manufacturing costs, have a low failure rate, and have a long service life, and can reduce the cost of nano metal powder production, and promote the improvement of the quality and production efficiency of nano metal powder production.

[0065] exist Figure 3 , Figure 4The high-position condensing device (1) comprises a condensing cylinder wall (101), a cold condensing powder hopper wall (102), a cold condensing cylinder cover (103), a metal vapor input elbow (104), a metal vapor input straight pipe (105), a multi-way split-spray nozzle (106), a cover fixing bolt A (107), a sealing ring A (108), a pressure gauge YAa (109), a valve FAa (1010), a condensing silo (1011), an upper shot control solenoid valve DFAa (1012), a valve FAb (1013), a lower shot control solenoid valve DFAb (1014), a valve FAc (1015), a high-position spiral cooling pipe (1016), a high-position cooling input port (1017), a solenoid valve DFAc (1018), a valve FAd (1019), a hopper mouth (1020), a cold condensing powder hopper (1021), a nanotube rice metal powder (17), a high-position cooling output port (1022), an inert gas main input ring pipe (1023), a connecting pipe (1024), an inert gas input port (1025), an inert gas injection head (1026), a valve FAe (1027), a temperature sensor tAa (1028), a multi-channel spray nozzle (106), a cylindrical wall (1061), a collecting and dispersing cavity (1062), a metal vapor input straight pipe (105), a spray port (1063), a cone dispersion head (1064), and a fastening bolt AS (1065); the upper spray control solenoid valve DFAa (1012) has 12-48; the valve FAb (1013) has 12-48; the lower spray control solenoid valve DFAb (1014) has 12-48; and the valve FAc (1015) has 12-48.

[0066] The technical feature of the high-position condensing device (1) is that the upper-shooting control solenoid valve DFAa (1012) is installed between the inert gas main input ring pipe (1023) and the valve FAb (1013), and performs interval switching according to the control command of the control system (16), that is, the inert gas is sprayed on the upper layer of the multi-channel spray nozzle (106) of the condensing silo (1011) through the inert gas input port (1025), the connecting pipe (1024), the inert gas main input ring pipe (1023), the upper-shooting control solenoid valve DFAa (1012), the valve FAb (1013), and the inert gas spray head (1026) at intervals, and the metal vapor sprayed from the multi-channel spray nozzle (106) condenses and reacts with the metal vapor to generate nano-metal powder (17) which is deposited on the cold condenser. In the powder hopper (1021); the lower shot control solenoid valve DFAb (1014) is installed between the inert gas main input ring pipe (1023) and the valve FAc (1015), and performs interval switching according to the control command of the control system (16), that is, the inert gas is sprayed at intervals through the inert gas input port (1025), the connecting pipe (1024), the inert gas main input ring pipe (1023), the lower shot control solenoid valve DFAb (1014), the valve FAb (1013), and the inert gas injection head (1026) onto the lower layer of the multi-channel split-spray nozzle (106) of the condensation silo (1011), and the metal vapor sprayed from the multi-channel split-spray nozzle (106) condenses and reacts to generate nano metal powder (17) which is deposited in the cold condensation powder hopper (1021).

[0067] exist Figure 5 In the embodiment, the multi-channel spray nozzle (106) comprises a cylindrical wall (1061), a collecting and dispersing cavity (1062), a metal vapor input straight pipe (105), a spray port (1063), a cone dispersion head (1064), a fastening bolt AS (1065), and a circular cover (1066); a plurality of spray ports (1063) are arranged around the cylindrical wall (1061), a cone dispersion head (1064) is arranged at the bottom port, and a plurality of fastening bolts AS (1065) are used to fix the cone dispersion head (1064) to the cylindrical wall (1061); the circular cover (1066) is provided with a plurality of spray ports (1063) on the periphery of the cylindrical wall (1061), a cone dispersion head (1064) is arranged at the bottom port, and a plurality of fastening bolts AS (1065) are used to fix the cone dispersion head (1064) to the cylindrical wall (1061); The outer ring of the ring cover (1066) is welded to the upper end of the cylindrical wall (1061), and the inner hole is welded to the lower end of the outer ring of the metal vapor input straight tube (105); the multi-channel spray nozzle (106) is used to gather the metal vapor flowing into the collecting and distributing cavity (1062) through the metal vapor input straight tube (105) and then disperse it and spray it out from each spray port (1063), so that the metal vapor energy is gathered and the inert gas is sprayed out uniformly and powerfully in all directions, which is beneficial to the condensation of the metal vapor and the inert gas into powder at a fast speed and high efficiency, and is beneficial to the uniformity of the particles of the nano metal powder.

[0068] Further, in Figure 6 , Figure 7In the embodiment, the mid-level condensation and filtration device (2) comprises a cooling bucket wall (201), a cooling cylinder wall (202), a cooling silo (203), a cooling cylinder cover (204), a sealing ring B (205), a cover fixing bolt B (206), a movable vibration partition (207), an anti-blocking filter (208), a vibration bracket (209), a vibrator (2010), a buffer ring bracket ring (2011), an elastic buffer ring (2012), a metal vapor input port (2013), a valve FBa (2014), a solenoid valve DFBa (2015), a metal vapor buffer outlet (2016), a valve FBb (2017), a mid-level spiral cooling pipe (2018), a mid-level cooling output port (2019), a mid-level cooling input port (2020), a cooling powder A hopper bin (2021), a cooling hopper powder outlet (2022), a valve FBc (2023), a solenoid valve DFBb (2024), a pressure gauge YBa (2025), an air inlet and outlet pipe (2026), a valve FBd (2027), a manifold (2028), a buffer ring upper cover ring (2029), an air filter bin (2030), and a temperature sensor tBa (2031); characterized in that: the cooling silo (203) is a cylindrical cone bottom structure, and a movable oscillation partition (207) is arranged in the cooling silo (203); an anti-blocking filter (208) is arranged in the movable oscillation partition (207), a vibration bracket (209) is arranged on the movable oscillation partition (207), and a vibrator (2010) is arranged on the vibration bracket (209).

[0069] The movable vibration partition (207) is disc-shaped and is made of alloy material. It has a certain hardness and is resistant to high temperature and corrosion. It is provided with 5-9 round holes and mounting screw holes for movable device vibration brackets (209). The 5-9 round holes are provided with 5-9 anti-blocking filters (208). 1-3 vibration brackets (209) are evenly distributed at intervals between the 5-9 round holes. A vibrator (2010) is provided on the vibration bracket (209).

[0070] The inner wall of the cooling cylinder wall (202) is provided with a buffer ring support ring (2011), and an elastic buffer ring (2012) is arranged on the buffer ring support ring (2011).

[0071] The device comprises a back-blocking filter (208), a vibration bracket (209), a movable vibration partition (207) of a vibrator (2010), an elastic buffer ring (2012) mounted on a buffer ring bracket ring (211) in a cooling cylinder wall (202), an elastic buffer ring (2012) mounted on the outer periphery of the movable vibration partition (207), and a buffer ring cover ring (2029) mounted on the upper end of the elastic buffer ring (2012).

[0072] After the movable oscillating partition (207) is installed in the cooling cylinder wall (202), the space below is the cooling cylinder silo (203) and the space above is the air filtering silo (2030).

[0073] The outer wall of the cooling cylinder wall (202) is provided with a mid-position spiral cooling pipe (2018), and the upper end is provided with a cooling cylinder cover (204); a pressure gauge YBa (2025) and a valve FBd (2027) are provided on the cooling cylinder cover (204); and a sealing ring B (205) is provided between the cooling cylinder wall (202) and the cooling cylinder cover (204).

[0074] The cooling hopper wall (201) is below the cooling cylinder wall (202); a cooling powder gathering hopper bin (2021) is provided inside the cooling cylinder wall (202); a cooling hopper powder leakage port (2022) is provided below the cooling powder gathering hopper bin (2021); the cooling powder gathering hopper bin (2021) is used to gather the nano-metal powder (17) condensed and formed in the cooling cylinder silo (203); and the cooling hopper powder leakage port (2022) is used to leak out the nano-metal powder (17).

[0075] The technical features of the intermediate condensation and filtration device (2) are as follows: the metal vapor output from the high-position condensation device (1) is input into the cooling silo (203) through the electromagnetic valve DFBa (2015), the valve FBa (2014), and the metal vapor input port (2013); the anti-blocking filter (208) sprays inert gas into the cooling silo (203) at intervals; the inert gas reacts with the metal vapor to condense into nano-metal powder (17) which is gathered in the cooling powder gathering hopper (2021); The anti-blocking filter (208) filters the inert gas that has reacted with the metal vapor and sends it to the gas filter bin (2030) at intervals; the inert gas in the gas filter bin (2030) is sent to the filter return device (9) for filtration through a plurality of valves FBd (2027) and an electromagnetic reversing valve (10) at intervals; after filtration and gas-solid separation by the filter return device (9), the nano metal powder (17) is output to the powder collection and anti-caking device (4), and the inert gas is output to the inert gas tank (7) for recycling.

[0076] The substantive features and significant improvements of the technical features of the median condensation and filtration device (2) are as follows: the anti-blocking filter (208) can pulse-inject high-pressure inert gas into the cooling silo (203) at intervals, so that the metal vapor in the cooling silo (203) can be quickly condensed; and the anti-blocking filter (208) can pulse-inject the inert gas in the cooling silo (203) that has reacted with the metal vapor to the gas filter bin (2030), so that the condensation efficiency of the metal vapor into nano-metal powder is high, the nano-particles are uniform, the anti-blocking filter (208) is not easy to be blocked, and it can work stably for a long time, avoiding the trouble of replacement and maintenance caused by the filter being easily blocked by the nano-metal powder in the prior art, avoiding the production stoppage and maintenance costs caused by replacing and repairing the filter, reducing production costs, and improving the output and quality of the nano-metal powder.

[0077] Further, in Figure 8 , Fig. 9 , Fig.10 , Fig.11 In the invention, the anti-blocking filter (208) comprises a cone filter body (2081), a cone filter chamber (2082), a cone filter body (2083), a cone filter chamber (2084), a connecting screw body (2085), a connecting straight-through (2086), a cone leak (2087), a magnetic column (2088), a connecting nut (20811), a connecting nut washer (20810), a magnetic suction piston (2089), a magnetic suction live disc (20896), a blockage suction column (20891), a blow-through groove (20892), a three-way frame (20893), a riveted coupling (20894), and a riveted head (20896). 20895); the cone filter (2081) and the cone filter (2083) are made of nano-void materials; a cone filter cavity (2082) is provided in the cone filter (2081); a cone filter cavity (2084) is provided in the cone filter (2083); a cone leak (2087) and a magnetic column (2088) are provided on one side of the cone filter (2083); the cone leak (2087) is a round through hole; a magnetic piston (2089) is arranged in the cone leak (2087); the magnetic piston ( The magnetic piston (2089) and the magnetic column (2088) are magnetically attracted to each other so that the magnetic piston (2089) will not fall off the vertebral funnel leak (2087); a connecting screw body (2085) is provided at the upper end of the vertebral filter body (2081); a connecting straight-through (2086) is provided in the middle of the connecting screw body (2085) to communicate with the vertebral filter cavity (2082); a thread is provided on the periphery of the connecting screw body (2085); the thread is combined with a connecting nut (20811) and a connecting nut washer (20810) for installing and fixing the anti-blocking filter (208).

[0078] There are 3 to 6 magnetic pillars (2088) distributed in an array around the cone funnel (2087) and used to attract the magnetic active disk (20896) of the magnetic piston (2089), so that the magnetic piston (2089) will not fall when being blown and pushed by high-pressure inert gas in the cone funnel (2087), thereby playing the role of actively removing the accumulated nano-metal powder in the cone filter chamber (2082) and the cone funnel filter chamber (2084), thereby making the anti-blocking filter (208) not easy to be blocked, having a long service life, and avoiding frequent replacement.

[0079] The magnetic suction piston (2089) comprises a blockage suction column (20891), a blow-through groove (20892), a three-way frame (20893), a riveted shaft (20894), a riveted head (20895), and a magnetic suction movable disk (20896); the function of the magnetic suction piston (2089) is as follows: when there is high-pressure inert gas in the cone filter chamber (2082), the high-pressure inert gas will blow the magnetic suction piston (2089) through the blow-through groove (20892) to extend out of the cone funnel (2087) of the anti-blockage filter (208), so that the nano-metal powder in the cylinder filter chamber (2082) and the cone funnel filter chamber (2084) of the anti-blockage filter (208) passes through the blow-through groove (2089) of the magnetic suction piston (2089). 20892) is blown out by high-pressure inert gas, so that the cylindrical filter chamber (2082) and the cone filter chamber (2084) of the anti-blocking filter (208) will not have any nano-metal powder accumulation, that is, the anti-blocking filter (208) is not easy to be blocked and can be used for a long time, thereby improving the production efficiency and production speed of manufacturing metal powder.

[0080] The inventive technical features and functions of the anti-blocking filter (208) are as follows: a cone funnel (2087) is provided at the bottom of the filter (208), and a magnetic piston (2089) is installed in the cone funnel (2087), which can use back-blowing high-pressure inert gas to blow out the nano-metal powders remaining in the cone filter chamber (2082) and the cone filter chamber (2084), thereby avoiding the blockage of the cone filter body (2081) and the cone filter body (2083) caused by the accumulation of nano-metal powders, so that the anti-blocking filter (208) can have a long-term filtering performance.

[0081] The substantial and significant progress of the technical solution of the anti-clogging filter (208) is that the intermittent high-pressure inert gas impacts the cone filter body (2083), making the cone filter body (2083) not easily blocked by condensed metal powder, thereby making the cone filter body (2083) have long-lasting filtering performance, avoiding the defects of the prior art of frequent shutdown and replacement of the filter device due to frequent blockage of the filter device, and being able to increase the production efficiency of nano metal powder, reduce production costs, and improve the product quality and economic benefits of nano metal powder.

[0082] exist Fig.12 , Fig.13 The powder collecting and anti-caking device (4) comprises: a powder collecting cylinder wall (401), a powder collecting cylinder silo (402), a powder collecting hopper wall (403), a powder collecting hopper silo (404), a powder collecting cylinder cover (405), a sealing ring C (406), a cover fixing bolt C (407), a hanging frame (408), a spiral stirring paddle (409), a heating hopper (410), a powder collecting hopper funnel (4011), a powder collecting hopper outlet (4012), a powder collecting conveying pipe (4013), a valve FCa (4014), a vacuum gauge ZYCa (4015), a valve FCb (4016), a solenoid valve DFDa (4017), a valve FCc (4018), a solenoid valve DFDb (4019), a valve FCd (4020), a valve FCf (4021), a filter C (4022), and a solenoid valve D FDc (4023), valve FCe (4024), vacuum gauge ZYCb (4025), temperature sensor tDa (4026), stirring motor (4027), nano-metal powder input channel A (4051), nano-metal powder input channel B (4052), nano-metal powder input channel C (4053), and nano-metal powder input channel D (4054); the valve FCb (4016) is used to connect to a high-position condensing device (1), the valve FCc (4018) is used to connect to a mid-position condensing and filtering device (2), the valve FCd (4020) is used to connect to a low-position buffer powder tank (3), the valve FCf (4021) is used to connect to a filtering and returning device (9), and the valve FCa (4014) is used to connect to a vacuum packaging machine (12).

[0083] The powder collecting and anti-agglomeration device (4) is used to collect the nano-metal powder input from the high-position condensation device (1), the middle-position condensation and filtration device (2), the low-position buffer powder collecting tank (3), and the filtering and returning device (9), and to stir and heat the nano-metal powder using a spiral stirring blade (409) and a heating bucket (410), thereby preventing the nano-metal powder from agglomerating due to long-term accumulation, thereby achieving the goal of collecting the nano-metal powder and solving the problem of the nano-metal powder agglomerating.

[0084] The powder collecting and anti-caking device (4) is characterized in that: a powder collecting cylinder wall (401), a powder collecting hopper wall (403), and a powder collecting cylinder cover (405) form a cylindrical cone bottom structure, and a powder collecting cylinder silo (402) and a powder collecting hopper silo (404) are provided inside the cylinder; the powder collecting cylinder silo (402) and the powder collecting hopper silo (404) are used for collecting nano-metal powders of a high-position condensing device (1), a mid-position condensing and filtering device (2), a low-position buffering powder collecting tank (3), and a filtering and returning device (9); a hanging frame (408) is provided inside the powder collecting cylinder silo (402); a stirring motor (4027) is provided on the hanging frame (408); and the stirring motor (4027) is provided on the stirring cylinder silo (402). A spiral stirring paddle (409) is arranged below the stirring motor (4027), and the spiral stirring paddle (409) is used to stir the nano-metal powder in the powder collecting silo (402) and the powder collecting hopper (404). A heating hopper (410) is arranged in the powder collecting hopper (404), and the heating hopper (410) cooperates with the spiral stirring paddle (409), thereby solving the problem of the nano-metal powder agglomerating due to the self-weight pressure and long-term accumulation when a large amount of the nano-metal powder is accumulated in the powder collecting silo (402) and the powder collecting hopper (404); thereby, the powder collecting and anti-agglomeration device (4) achieves the effect of agglomerating the nano-metal powder and preventing agglomeration.

[0085] Furthermore, a filter C (4022) is installed inside one side of the powder collecting cylinder wall (401), and a valve FCe (4024) is installed outside one side. The filter C (4022) and the valve FCe (4024) are connected to each other and are connected to the electromagnetic valve DFDc (4023) and the vacuum pump (11). The vacuum pump (11) is used to create a vacuum negative pressure in the powder collecting anti-agglomeration device (4) so ​​as to efficiently absorb the nano-metal powder input from the high-position condensation device (1), the middle-position condensation and filtration device (2), the low-position buffer powder gathering tank (3), and the filtering and recycling device (9), and has the function of dehumidifying and drying, thereby further preventing the agglomeration of the nano-metal powder.

[0086] exist Fig.14The filter return device (9) comprises a filter return barrel wall (901), a powder filter return bin (902), a filter return hopper wall (903), a filter return hopper bin (904), a filter return pipe (905), a filter return port (906), a buffer input port (907), a filter input port (908), a filter return cover (909), a filter output pipe (9010), a connecting bolt barrel (9011), a metal cylindrical filter wall H (9012), a gas filter bin D (9013), a metal filter cone wall D (9014), a cone-shaped nanoparticle filter element (95), and a VV-shaped anti-surface adsorption gasket (96); the filter The filter output pipe (9010) is used to connect the inert gas tank (7) and the air compressor (8) input, the filter input port (908) is used to connect the mid-level condensation filter device (2) and the air compressor (8) output, the buffer input port (907) is used to connect the low-level buffer powder gathering tank (3), and the filter return pipe (905) is used to connect the powder collection and anti-caking device (4); the filter return device (9) functions to further filter the inert gas that has reacted with the metal vapor and is output from the mid-level condensation filter device (2) and the low-level buffer powder gathering tank (3), and can automatically transport the filtered nano metal powder to the powder collection and anti-caking device (4).

[0087] The filtering and recycling device (9) is characterized in that: the filtering and recycling device (9) is composed of a filtering and recycling barrel wall (901) and a filtering and recycling hopper wall (903) to form a powder filtering and recycling bin (902) and a filtering and recycling hopper bin (904); a detachable conical nanoparticle filter element (95) is arranged in the powder filtering and recycling bin (902); a buffer input port (907) and a filtering input port (908) are arranged on the side wall of the filtering and recycling barrel wall (901); the buffer input port (907) is used to input the inert gas of the low-level buffer powder gathering tank (3), and the filtering input port (908) is used to input the inert gas of the middle-level condensation filtering device (2); A filter return hopper bin (904); a filter return pipe (905) and a filter return port (906) are provided at the lower ends of the filter return hopper wall (903) and the filter return hopper bin (904), which are used to output the nano metal powder from the filter return hopper bin (904); a filter return cover (909) is provided at the upper ends of the filter return barrel wall (901) and the powder filter return bin (902); a filter output pipe (9010) is provided in the middle of the filter return cover (909), which is used to output the filtered inert gas; a VV-shaped anti-surface adsorption gasket (96) is provided between the filter return barrel wall (901) and the filter return cover (909), which is used to seal the filter return barrel wall. (901) is connected with the filter return cover (909) to prevent leakage of inert gas, and the V-shaped end face of the VV-shaped anti-surface adsorption gasket (96) has the function of preventing adsorption of residual nano-metal powder; the conical nano-particle filter element (95) is a V-shaped cone body structure, which is composed of a metal cylindrical filter wall H (9012), a gas filter chamber D (9013), and a metal filter cone wall D (9014); the metal filter cone wall D (9014) is a V-shaped cone body formed by spraying a plurality of molybdenum particles with a diameter of 10-40 nanometers, with a plurality of gaps of 5-20 nanometers, and the gas filter chamber D (9013) in the middle, which can react with metal vapor. The inert gas passes through the outside of the metal filter cone wall D (9014) and enters the gas filter chamber D (9013), and the nano-metal powder in the inert gas is filtered outside the gas filter chamber D (9013) and the metal filter cone wall D (9014). The nano-metal powder intercepted by the metal filter cone wall D (9014) is outside the wall of the metal filter cone wall D (9014). Due to the effect of the cone shape, the nano-metal powder cannot adhere to the side of the cone wall of the metal filter cone wall D (9014) under the effect of its own gravity and falls into the filter return hopper chamber (904), and then further falls and is discharged through the filter return port (906) and the filter return pipe (905).

[0088] The filtering and recycling device (9) has the beneficial effects of further filtering the inert gas that has reacted with the metal vapor and is output from the intermediate condensation filtering device (2) and the low-level buffer powder gathering tank (3), automatically separating the nano-metal powder from the inert gas in the gas that has reacted with the metal vapor and the inert gas, discharging the inert gas from the filtering output pipe (9010), and discharging the nano-metal powder from the filtering and recycling port (906) and the filtering and recycling pipe (905).

[0089] exist Fig.15 The three-water-level spiral tube cooling system comprises a water tank stacked heat exchanger (14), a liquid cavity wall bottomless tube heat dissipation tower (15), a water pump A (18), a water pump B (19), a low-level spiral cooling tube (302), a middle-level spiral cooling tube (2018), a high-level spiral cooling tube (1016), and a cooling temperature control system (1601); the cooling feature is that the cooling water spirally flows from the low-water-level end of the low-level spiral cooling tube (302) to the high-water-level end, and then flows from the middle-level spiral cooling tube (2018) to the high-water-level end. The low water level end of the cooling pipe (2018) spirally flows to the high water level end, and then spirally flows from the low water level end of the high-level spiral cooling pipe (1016) to the high water level end; the cooling water output from the high water level of the high-level spiral cooling pipe (1016) is input into the water tank sandwich heat exchanger (14) through the water pump B (19), valve Eba (1512), and valve Ec (1424) for heat exchange, and then output to the low water level end of the low-level spiral cooling pipe (302) for circulation.

[0090] The cooling feature of the three-water-level spiral tube cooling system is that: three different cooling water points, a water tank sandwich heat exchanger (14), and a liquid cavity wall bottomless tube heat dissipation tower (15) are provided, and the hot water at the three water points is heat-exchanged with the heat dissipation liquid of the liquid cavity wall bottomless tube heat dissipation tower (15) through the water tank sandwich heat exchanger (14), thereby forming a stepped cooling effect for the low-level spiral cooling tube (302), the middle-level spiral cooling tube (2018), and the high-level spiral cooling tube (1016) at the three different water points, that is, the cooling temperature of the low-level spiral cooling tube (302) is lower than the temperature of the middle-level spiral cooling tube (2018), and the temperature of the high-level spiral cooling tube (1016) is higher than the temperature of the middle-level spiral cooling tube (2018), thereby forming three different temperature states; thereby achieving the high-level condensation device (1), the middle-level condensation filtration device (2), and the low-level buffer powder The step-by-step cooling effect and cooling effect of the tank (3) are achieved; the high-position condensing device (1), the middle-position condensing and filtering device (2), and the low-position buffer powder gathering tank (3) form a step-by-step cooling effect; the temperature of the middle-position condensing and filtering device (2) is lower than the temperature of the high-position condensing device (1), and the temperature of the low-position buffer powder gathering tank (3) is lower than the temperature of the middle-position condensing and filtering device (2); such a step-by-step cooling effect enables the high-position condensing device (1), the middle-position condensing and filtering device (2), and the low-position buffer powder gathering tank (3) to have high condensation efficiency for metal vapor and uniform nano powder formation, and such a cooling method and structure greatly reduce the electric energy required for energy conversion cooling, better save costs in the production process, have a low failure rate, and a long service life, and can reduce the cost of nano metal powder production and promote the quality improvement and production efficiency improvement of nano metal powder production.

[0091] Three spiral cooling pipes are respectively installed at the three different water points, namely a low-level spiral cooling pipe (302), a middle-level spiral cooling pipe (2018), and a high-level spiral cooling pipe (1016); the high water level of the low-level spiral cooling pipe (302) is lower than the low water level of the middle-level spiral cooling pipe (2018); the high water level of the middle-level spiral cooling pipe (2018) is lower than the low water level of the high-level spiral cooling pipe (1016); and the high water level of the high-level spiral cooling pipe (1016) is the highest water level; the water flow direction is spiral flow from the low water level end of the low-level spiral cooling pipe (302) to the high water level end, then spiral flow from the low water level end of the middle-level spiral cooling pipe (2018) to the high water level end, and then spiral flow from the low water level end of the high-level spiral cooling pipe (1016) to the high water level end.

[0092] The cooling feature of the three-water-level spiral tube cooling system is that the water tank stacked heat exchanger (14) comprises a first-layer heat dissipation liquid tank (1401), a second-layer cooling water tank (1402), a third-layer heat dissipation liquid tank (1403), a fourth-layer heat dissipation liquid tank (1404), a fifth-layer cooling water tank (1405), a sixth-layer heat dissipation liquid tank (1406), a main heat dissipation bottom plate (1407), a heat exchange lower plate A (1408), a heat exchange lower plate B (1409), a middle right partition plate (1410), a heat exchange upper plate A (1411), a heat exchange upper plate B (1412), a main heat dissipation upper plate (1413), a middle left partition plate (1414), a main heat dissipation left plate (1415), a heat exchange vertical plate A (1416), a heat exchange vertical plate B (1417), and a heat exchange vertical plate C (1418), heat exchange vertical plate D (1419), main heat dissipation right side plate (1420), temperature sensor tEa (1421), valve Ea (1422), valve Eb (1423), valve Ec (1424), valve Ed (1425), heat dissipation liquid flow direction (1426), cooling water flow direction (1427); the water tank stacked heat exchanger (14) is provided with four layers of heat dissipation tanks and two layers of cooling tanks, the heat dissipation tanks sandwich the cooling tanks in the middle, the second layer of cooling water tanks (1402) are sandwiched between the first layer of heat dissipation liquid tanks (1401) and the third layer of heat dissipation liquid tanks (1403), and the fifth layer of cooling water tanks (1405) are sandwiched between the fourth layer of heat dissipation liquid tanks (1404) and the sixth layer of heat dissipation liquid tanks (1406).

[0093] The technical function of the water tank sandwich heat exchanger (14) is to perform heat exchange between the cooling water in the second cooling water tank (1402) and the fifth cooling water tank (1405) and the cooling liquid in the first cooling liquid tank (1401), the third cooling liquid tank (1403), the fourth cooling liquid tank (1404) and the sixth cooling liquid tank (1406).

[0094] The technical effect of the water tank sandwich heat exchanger (14) is as follows: since the heat dissipation liquid of the first layer heat dissipation liquid tank (1401), the third layer heat dissipation liquid tank (1403), the fourth layer heat dissipation liquid tank (1404) and the sixth layer heat dissipation liquid tank (1406) sandwich the cooling water of the second layer cooling water tank (1402) and the fifth layer cooling water tank (1405), the heat exchange efficiency is high and the structure is simple, thereby having a low failure rate, low maintenance cost, low production cost, stable cooling performance and long service life. In many years of production practice, we have concluded that the existing heat exchanger adopts a method of heat exchange between a finned corrugated tube and a water tank with a complex structure. The finned corrugated tube is easily corroded by water or coolant and damaged or leaked during heat exchange, which leads to frequent production stoppages, repairs of the finned corrugated tube, and resumption of production after welding. After a period of production, the problem of damage or leaking due to corrosion by water or coolant occurs again, and the cycle of stoppage, repair and resumption of production is repeated. This makes the production efficiency of nano metal powder very low, the quality is unstable, and the production cost is high, so the production efficiency of the nano metal powder industry is low, the product price is high, and it cannot be well promoted and applied in an advanced way.

[0095] The structural features of the water tank sandwich heat exchanger (14) are as follows: the left end of the first layer heat dissipation liquid tank (1401) is connected to the lower end of the main heat dissipation left side plate (1415), and the right end is connected to the lower end of the main heat dissipation right side plate (1420); the left end of the main heat dissipation upper plate (1413) is connected to the upper end of the main heat dissipation left side plate (1415), and the right end is connected to the upper end of the main heat dissipation right side plate (1420); the left end of the middle left partition plate (1414) is connected to the right middle end of the main heat dissipation left side plate (1415), and the right end is connected to the left middle end of the heat exchange vertical plate A (1416); the lower end of the heat exchange vertical plate B (1417) is connected to the left end of the heat exchange lower plate B (1409), and the right end is connected to the heat exchange upper plate A (141 1); the lower end of the heat exchange vertical plate C (1418) is connected to the right end of the heat exchange upper plate A (1411), and the upper end is connected to the right end of the heat exchange upper plate B (1412); the lower end of the heat exchange vertical plate D (1419) is connected to the right end of the heat exchange lower plate A (1408), and the upper end is connected to the right end of the heat exchange lower plate B (1409); the valve Ec (1424), the second layer cooling water tank (1402), the fifth layer cooling water tank (1405), and the valve Eb (1423) are connected to the cooling water output by the water pump B (19) and the valve Eba (1512), and are connected to the low-position spiral cooling pipe (302), the middle-position spiral cooling pipe (2018), and the high-position spiral cooling pipe (101 6) connected for circulation; the valve Ed (1425), the first-layer heat dissipation liquid tank (1401), the third-layer heat dissipation liquid tank (1403), the fourth-layer heat dissipation liquid tank (1404), the sixth-layer heat dissipation liquid tank (1406), and the valve Ea (1422) are connected for circulation of the heat dissipation liquid output by the water pump A (18), and are connected for circulation with the liquid cavity wall bottomless tube heat dissipation tower (15); between the first-layer heat dissipation liquid tank (1401) and the second-layer cooling water tank (1402) is a heat exchange lower plate A (1408); between the second-layer cooling water tank (1402) and the third-layer heat dissipation liquid tank (1403) is a heat exchange lower plate B (1409); between the third-layer heat dissipation liquid tank (1403) and the fourth-layer heat dissipation liquid tank (1406 ... The middle right partition (1410) is located between the troughs (1404); the heat exchange upper plate A (1411) is located between the fourth layer heat dissipation liquid trough (1404) and the fifth layer cooling water trough (1405); the heat exchange upper plate B (1412) is located between the fifth layer cooling water trough (1405) and the sixth layer heat dissipation liquid trough (1406); the heat exchange lower plate A (1408), the heat exchange lower plate B (1409), the heat exchange upper plate A (1411), and the heat exchange upper plate B (1412) are aluminum alloy corrugated plates; the middle right partition (1410), the middle left partition (1414), the heat exchange vertical plate A (1416), the heat exchange vertical plate B (1417), the heat exchange vertical plate C (1418), and the heat exchange vertical plate D (1419) are aluminum plates;The main heat dissipation bottom plate (1407), the main heat dissipation upper plate (1413), the main heat dissipation left plate (1415), and the main heat dissipation right plate (1420) are aluminum alloy concave-convex plates. ;

[0096] The cooling feature of the three-water-level spiral tube cooling system is that: the liquid cavity wall bottomless tube heat dissipation tower (15) comprises an outer wall vertical tube (1501), an inner wall vertical tube (1502), an annular heat dissipation liquid ring groove (1503), a heat dissipation airflow tube cavity (1504), an upper tower vent (1505), a lower tower vent (1506), a ventilation tower frame (1507), a heat dissipation liquid output port (1508), a heat dissipation liquid input port (1509), a heat dissipation airflow flow direction (1510), a temperature sensor tFa (1511), a valve Eba (1512), an annular bottom wall (1513), and an annular cover wall (1514); the outer wall vertical tube (1501), an inner wall vertical tube (1502), an annular heat dissipation liquid ring groove (1503), a heat dissipation airflow tube cavity (1504), an upper tower vent (1505), a lower tower vent (1506), a ventilation tower frame (1507), a heat dissipation liquid output port (1508), a heat dissipation liquid input port (1509), a heat dissipation airflow flow direction (1510), a temperature sensor tFa (1511), a valve Eba (1512), an annular bottom wall (1513), and an annular cover wall (1514); 1501) The inner wall vertical cylinder (1502) is a cylindrical structure made of aluminum alloy material, with an inner diameter of 800-5000mm and a wall thickness of 0.8-10mm; the inner wall vertical cylinder (1502) is a cylindrical structure made of aluminum alloy material, with an outer diameter of 50-4000mm and a wall thickness of 0.5-8mm; the annular bottom wall (1513) and the annular cover wall (1514) are annular sheets made of aluminum alloy material, with an inner diameter of 50-4000mm, an outer diameter of 800-5000mm, and a wall thickness of 1-20mm; the outer circular edge of the lower end of the inner wall vertical cylinder (1502) at a position 5-80mm upward is connected to the inner circular edge of the annular bottom wall (1513), and welded; The outer circular edge of the upper end of the inner wall vertical tube (1502) at a position 5-80 mm downward is connected to the inner circular edge of the annular cover wall (1514) and welded; the inner circular edge of the lower end of the outer wall vertical tube (1501) at a position 5-80 mm upward is connected to the outer circular edge of the annular bottom wall (1513) and welded; the inner circular edge of the upper end of the outer wall vertical tube (1501) at a position 5-80 mm downward is connected to the outer circular edge of the annular cover wall (1514) and welded; the annular bottom wall (1513) is welded to the ventilation tower (1507); the ventilation tower (1507) is a support structure formed by welding stainless steel materials, and is provided with a flat base and a plurality of vertical supports, the flat base is circular or polygonal, and the plurality of vertical supports are a plurality of pipes; the flat base and the plurality of vertical supports are welded to form a support structure. Fig.15The ventilation tower (1507) structure is as follows; the outer wall vertical tube (1501), the inner wall vertical tube (1502), the annular bottom wall (1513), the annular cover wall (1514), and the ventilation tower (1507) constitute a liquid cavity wall bottomless tube heat dissipation tower (15) body; a connecting pipe (1700) is welded to the outer wall vertical tube (1501) at a position 10-100 mm downward from the annular cover wall (1514), and a heat dissipation liquid outlet (1508) is provided; a connecting pipe (1700) is welded to the outer wall vertical tube (1501) at a position 10-100 mm upward from the annular bottom wall (1513), and a heat dissipation liquid inlet (1509) is provided; and a temperature sensor tFa (1511) is provided at the upper half of the outer wall vertical tube (1501).

[0097] The structure of the liquid cavity wall bottomless tube heat dissipation tower (15) is characterized in that it is a vertical circular straight hollow tube structure, the hollow part is a ventilated heat dissipation airflow tube cavity (1504), the lower part is provided with a ventilation tower frame (1507), and the double-layer tube wall hollow structure is composed of an outer wall vertical tube (1501) and an inner wall vertical tube (1502), between the outer wall vertical tube (1501) and the inner wall vertical tube (1502) is an annular heat dissipation liquid ring groove (1503), and the annular heat dissipation liquid ring groove (1503) is provided with cooling liquid; the lower part of the outer wall vertical tube (1501) is provided with a heat dissipation liquid input port (1509), and the lower part is provided with a heat dissipation liquid output port (1508); the heat dissipation principle is that the heat dissipation liquid is input from the heat dissipation liquid input port (1509) and passes through the annular heat dissipation liquid ring groove (1503) from bottom to top. 503), and output from the heat dissipation liquid output port (1508), the air enters from the lower end of the heat dissipation airflow cylinder cavity (1504) and is discharged from the upper end, thereby generating a heat dissipation effect on the heat dissipation liquid in the inner wall vertical cylinder (1502) and the heat dissipation liquid ring groove (1503); at the same time, the outer wall vertical cylinder (1501) contacts the external air to generate a heat dissipation effect on the heat dissipation liquid in the heat dissipation liquid ring groove (1503); at the same time, the inner wall vertical cylinder (1502) contacts the inner circle air to generate a heat dissipation effect on the heat dissipation liquid in the heat dissipation liquid ring groove (1503); and the heat dissipation effect and effect can be generated in an infinite cycle; no electric energy or other energy is required to drive the airflow, and the air pressure difference at different heights is used to make the heat dissipation airflow cylinder cavity (1504) automatically generate airflow, which has the beneficial effects of saving energy and reducing environmental pollution.

[0098] Said Figure 1 , Figure 2 , Fig.16 The control system comprises a power supply, a control cabinet, a control computer, a switch, and a cooling temperature control system (1601); the control cabinet is connected to an air compressor, an electromagnetic reversing valve, and a vacuum packaging machine; the control computer is connected to the switch, the cooling temperature control system (1601), and the control cabinet; and the control computer comprises control software.

[0099] exist Fig.16In the present invention, the cooling temperature control system includes a single-chip microcomputer controller, a temperature sensor tAa, a temperature sensor tBa, a temperature sensor tCa, a temperature sensor tEa, a temperature sensor tFa, a water pump A, and a water pump B; the single-chip microcomputer controller includes a CPU, a power module, a network module, an A / D input module, a thyristor output module, a MAX232 module, a ROM memory, and a RAM memory; the network module of the single-chip microcomputer controller is connected to the control system; the A / D input module is connected to the temperature sensor tAa, the temperature sensor tBa, the temperature sensor tCa, the temperature sensor tEa, and the temperature sensor tFa; the thyristor output module is connected to the water pump A and the water pump B.

[0100] The temperature control principle of the cooling temperature control system (1601) is as follows: the temperature sensors tAa, tBa, tCa, tEa and tFa transmit temperature information to the A / D input module of the single-chip controller; the CPU analyzes and processes the temperature values ​​of the temperature sensors according to the temperature information of the sensors converted by the A / D input module, calculates and processes the temperature values ​​of the temperature sensors, sets the control temperature values, sets the speed values ​​of the control water pumps A (18) and B (19), and sends the instructions for controlling the speeds of the water pumps A (18) and B (19) to the thyristor output module; the thyristor output module outputs the power control amount according to the instruction information of the CPU, thereby controlling the speeds of the water pumps A (18) and B (19). The temperatures of the low-level spiral cooling pipe (302), the middle-level spiral cooling pipe (2018) and the high-level spiral cooling pipe (1016) are thereby controlled, thereby realizing the temperature control of the low-level buffer powder gathering tank (3), the middle-level condensation and filtration device (2) and the high-level condensation device (1).

[0101] The single chip controller controls the setting of the speed of the water pump B (19): the speed of the water pump B (19) is controlled according to the up and down fluctuations of the temperature values ​​of the temperature sensor tAa, the temperature sensor tBa and the temperature sensor tCa; the cumulative value of the temperature value of the temperature sensor tAa + the temperature value of the temperature sensor tBa + the temperature value of the temperature sensor tCa is set as the CSc value; setting A: when the CSc value is 380-420, the speed of the water pump B (19) is set to be 720-760 r / min; setting B: when the CSc value is lower than 400-1; the speed of the water pump B (19) is set to decrease by 15-25 r / min; setting C: when the CSc value is higher than 400+1, the speed of the water pump B (19) is set to increase by 15-25 r / min.

[0102] The single chip controller controls the speed of the water pump A (18) by controlling the speed of the water pump A (18) according to the up and down fluctuations of the temperature values ​​of the temperature sensor tEa and the temperature sensor tFa; setting D: when the CSd value is 130-170, the speed of the water pump A (18) is controlled to be 720-760 r / min; setting E: when the CSd value is lower than 150-1, the speed of the water pump A (18) is controlled to decrease by 25-30 r / min; setting F: when the CSd value is higher than 150+1, the speed of the water pump A (18) is controlled to increase by 25-30 r / min.

[0103] The cooling method of the three-water-level spiral pipe cooling system is as follows: a cooling water circulation channel is formed by a water pump B (19), a valve Eba (1512), a connecting pipe (1700), a valve Ec (1424), a second-layer cooling water tank (1402), a fifth-layer cooling water tank (1405), a connecting pipe (1700), a valve Eb (1423), a low-level spiral cooling pipe (302), a connecting pipe (1700), a middle-level spiral cooling pipe (2018), a connecting pipe (1700), a high-level spiral cooling pipe (1016), and a connecting pipe (1700); The invention comprises a water pump A (18), a connecting pipe (1700), a valve Ed (1425), a first-layer heat dissipation liquid tank (1401), a third-layer heat dissipation liquid tank (1403), a fourth-layer heat dissipation liquid tank (1404), a sixth-layer heat dissipation liquid tank (1406), a valve Ea (1422), a heat dissipation liquid input port (1509), an annular heat dissipation liquid ring groove (1503), a heat dissipation liquid output port (1508), and a connecting pipe (1700). The cooling water circulation channel and the cooling liquid circulation channel are heat exchanged through the water tank sandwich heat exchanger (14), thereby reducing the temperature of the high-level condensing device, the middle-level condensing and filtering device, and the low-level buffer powder gathering tank; further, the temperature sensor tAa (1028), the temperature sensor tBa (2031), and the temperature sensor tCa (303) transmit the temperature information of the high-level condensing device, the middle-level condensing and filtering device, and the low-level buffer powder gathering tank to the A / D input module of the cooling temperature control system (1601), and the cooling temperature control system (1601) outputs the control electricity to control the speed of the water pump A (18) and the speed of the water pump B (19), thereby reducing the temperature of the high-level condensing device, the middle-level condensing and filtering device, and the low-level buffer powder gathering tank to a suitable temperature for the reaction between metal vapor and inert gas.

Claims

1. Anti-clogging collection equipment for manufacturing nano-metal powder, comprising a high-position condensing device (1), a mid-position condensing and filtering device (2), a low-position buffer powder gathering tank (3), a powder collecting and anti-caking device (4), an inert gas tank (7), an air compressor (8), a filtering and returning device (9), an electromagnetic reversing valve (10), a vacuum pump (11), a vacuum packaging machine (12), finished nano-metal powder (13), a water tank sandwich heat exchanger (14), a liquid cavity wall bottomless tube heat dissipation tower (15), a control system (16), nano-metal powder (17), a water pump A (18), a water pump B (19), a high-position spiral cooling pipe (1016), a mid-position spiral cooling pipe (2018), a low-position spiral cooling pipe (302), a valve Fa (71), a pressure gauge Ya (72), a one-way valve Ha (83), an electromagnetic valve DFc (33), a valve Ft (34), and a vacuum gauge ZYa (4015); characterized in that: The metal vapor is condensed at three different temperatures, and the metal powders condensed at the three different temperatures are uniformly collected and packaged into finished nano metal powders; the first condensation is as follows: the high-level condensation device (1) condenses the metal vapor generated by the metal evaporation furnace (6), and the condensed nano metal powder is transported to the powder collecting and anti-agglomeration device (4), and the uncondensed metal vapor is transported to the middle-level condensation and filtration device (2); the second condensation is as follows: the middle-level condensation and filtration device (2) condenses the metal vapor transported by the high-level condensation device (1) and the inert gas of the electromagnetic reversing valve (10) into nano metal powder, and transports it to the powder collecting and anti-agglomeration device (4), transports the uncondensed metal vapor to the low-level buffer powder gathering tank (3), and transports the inert gas after the condensation reaction to the intermediate-level condensation and filtration device (2) through the electromagnetic reversing valve (10). A filtering and recycling device (9), wherein the filtering and recycling device (9) filters the reacted inert gas, performs gas-solid separation, outputs the nano-metal powder to the powder collecting and anti-agglomeration device (4), and outputs the filtered inert gas to the inert gas tank (7); the third condensation is as follows: the low-level buffer powder collecting tank (3) cools the metal vapor delivered by the middle-level condensation and filtration device (2) into nano-metal powder, which is delivered to the powder collecting and anti-agglomeration device (4), and the uncondensed metal vapor is delivered to the filtering and recycling device (9); the powder collecting and anti-agglomeration device (4) performs anti-agglomeration treatment on the nano-metal powder delivered by the high-level condensation device (1), the middle-level condensation and filtration device (2), the low-level buffer powder collecting tank (3), and the filtering and recycling device (9), and then delivers the nano-metal powder to a vacuum packaging machine (12) for vacuum packaging to obtain a finished nano-metal powder (13).

2. The anti-clogging collection equipment for producing nano metal powder according to claim 1, characterized in that: The control technology feature of the electromagnetic reversing valve (10) is that: the channel between the middle condensation filter device (2) and the air compressor (8) and the filter return device (9) is continuously switched on and off to form an interval, or the high-pressure inert gas of the air compressor (8) is input into the middle condensation filter device (2) to condense with the metal vapor, or the inert gas of the middle condensation filter device (2) is input into the filter return device (9), so that the middle condensation filter device (2) has a continuous interval of high-pressure inert gas impacting the metal vapor, and the inert gas that has impacted the metal vapor can be continuously and intermittently delivered to the filter return device (9), so that the middle condensation filter device (2) continuously and uninterruptedly inhales new high-pressure inert gas and exhales inert gas that has reacted with the metal vapor condensation, thereby preventing the middle condensation filter device (2) from being blocked and continuously ensuring the middle condensation filter device (2) to produce nano metal powder with high efficiency.

3. The anti-clogging collection equipment for producing nano metal powder according to claim 1 or 2, characterized in that: The filtering and recycling device (9) filters and separates the inert gas that has undergone condensation reaction with the metal vapor in the intermediate condensation filtering device (2) into clean inert gas and metal powder, and transports the clean inert gas to the inert gas tank (7) and the air compressor (8) for reuse, and transports the filtered metal powder to the powder collection and anti-caking device (4).

4. The anti-clogging collection equipment for producing nano metal powder according to claim 1, characterized in that: The technical feature of the powder collecting and anti-caking device (4) is that the metal powder input from the high-position condensing device (1), the middle-position condensing and filtering device (2), and the low-position buffer powder collecting tank (3) is collected and stirred and heated to perform anti-caking treatment on the metal powder.

5. The anti-clogging collection equipment for producing nano metal powder according to claim 1, characterized in that: The anti-blocking filter (208) can spray high-pressure inert gas into the cooling silo (203) in pulses at intervals, so that the metal vapor in the cooling silo (203) can be quickly condensed; and the anti-blocking filter (208) can discharge the inert gas in the cooling silo (203) that has reacted with the metal vapor to the gas filter bin (2030) in pulses at intervals.

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