Collected powder anti-agglomeration device for manufacturing nano metal powder

Abstract

The invention discloses a collected powder anti-agglomeration device for manufacturing nano metal powder. The device comprises a powder collecting barrel wall, a powder collecting barrel bin, a powder collecting hopper wall, a powder collecting hopper bin, a powder collecting barrel cover, a hoisting frame, a spiral stirring paddle, a heating hopper, a powder collecting hopper leakage pipe, a powder collecting hopper leakage opening, a powder collecting conveying pipe electromagnetic valve DFDa, a valve FCc, a filter C, a temperature sensor tDa, a stirring motor, a nano metal powder input channel A, a nano metal powder input channel B and a nano metal powder input channel C, nano metal powder is input into a channel D; the method is characterized in that a spiral stirring paddle and a heating hopper are adopted for stirring and heating nano metal powder, and the nano metal powder is prevented from caking and caking due to long-time accumulation; the nano metal powder collecting device has the beneficial effects that the phenomenon of caking and caking caused by long-time accumulation of nano metal powder can be resisted, so that the nano metal powder can be collected, and the problems of caking and caking of the nano metal powder can be solved; the production efficiency of the nano metal powder is high, the cost is low, and the production benefit is good.

Description

Technical Field

[0001] The invention relates to production equipment for manufacturing nano metal powder, in particular to a powder collecting and anti-agglomeration device 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.

[0003] 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 through a high-temperature evaporation furnace to a high temperature to evaporate metal vapor, and then introduce the evaporated 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.

[0004] In the past years of production practice in manufacturing nano-metal powders, we have found that there are many production technology problems, production efficiency problems and problems that cause product quality defects in the manufacture of nano-metal powder products, especially in the collection of powders in the manufacture of nano-metal powders. The defects and problems are as follows: the nano-metal powder particles generated by condensation of evaporated metal vapor and condensed inert gas are uneven in size, and the nano-metal powders form cakes and agglomerates due to long-term accumulation during collection, resulting in poor quality of the generated nano-metal powder products.

[0005] 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 design, testing, trial, optimization and improvement of powder collection equipment for manufacturing nano metal powder. Summary of the invention

[0006] The present invention provides a device for manufacturing nano-metal powder, collecting powder and preventing agglomeration, which can solve the technical problems mentioned in the background technology.

[0007] The technical solution of the present invention to solve the technical problem is as follows: The technical solution to solve the technical problem of the present invention is: the present invention comprises: a powder collecting barrel wall, a powder collecting barrel silo, a powder collecting hopper wall, a powder collecting hopper silo, a powder collecting barrel cover, a sealing ring C, a cover fixing 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-position condensing device, the valve FCc is used to connect a mid-position condensing and filtering device, the valve FCd is used to connect a low-position buffer powder gathering tank, the valve FCf is used to connect a filtering and returning device, and the valve FCa is used to connect a vacuum packaging machine.

[0008] The technical function of the present invention is to gather the nano-metal powder input from the high-position condensing device, the middle-position condensing and filtering device, the low-position buffering powder gathering tank, and the filtering and returning device, and use 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 effect of collecting the nano-metal powder and solving the problem of the nano-metal powder agglomerating, so that the present invention can achieve the effect of aggregating the nano-metal powder and preventing agglomeration.

[0009] Application of the present invention; A nano-metal powder production system using the present invention comprises a high-position condensing device, a mid-position condensing and filtering device, a low-position buffering powder gathering tank, the present invention, metal ore, metal evaporation furnace, an inert gas tank, an air compressor, a filtering and returning device, an electromagnetic reversing valve, a vacuum packaging machine, finished nano-metal powder, a three-water-level spiral tube winding cooling system, a control system, nano-metal powder, a metal evaporation furnace, and metal ore; the metal vapor evaporated by the metal ore in the metal evaporation furnace enters the high-position condensing device of the present invention, and 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 In the present invention, another part of the metal vapor is transported to the middle-level condensation and filtration device for further condensation into metal powder and then transported to the present invention, and another part of the metal vapor is transported to the low-level buffer powder aggregation tank. The metal vapor in the low-level buffer powder aggregation tank is buffer-cooled in the low-level buffer powder aggregation tank to become nano-metal powder and transported to the present invention; the present invention heats and stirs the nano-metal powder in the high-level condensation device, the middle-level condensation and filtration device, and the low-level buffer powder aggregation tank and then transports it to the vacuum packaging machine, and the vacuum packaging machine packages the nano-metal powder into vacuum-packaged nano-metal powder.

[0010] Furthermore, in order to improve the production efficiency of the nano-metal powder production system, reduce the failure rate, improve the product quality of the nano-metal powder, reduce shutdowns for maintenance, and stabilize the nano-metal powder production system, the associated technical solutions of the present invention are: the filter return device includes a filter return barrel wall, a powder filter return bin, a filter return hopper wall, a filter return hopper bin, a filter return pipe, a filter return port, a buffer input port, a filter input port, a filter return cover, a filter output pipe, a connecting bolt barrel, a metal cylinder filter wall H, a gas filter bin D, a metal filter cone wall D, a cone-shaped nano-particle filter element, and a VV-shaped anti-surface adsorption gasket; 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 present invention; the filter return device has the function of filtering and separating the inert gas of the mid-level condensation filter device that has reacted with the metal vapor condensation into clean inert gas and metal powder, and delivering the clean inert gas to the inert gas tank and the air compressor for reuse, and delivering the filtered nano metal powder to the present invention, so as to further improve the efficiency of the present invention in collecting nano metal powder.

[0011] The beneficial effects of the nano-metal powder production system using the present invention are as follows: since the present invention is used to carry out centralized anti-agglomeration treatment on the nano-metal powder, 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 and does not agglomerate, 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.

[0012] The beneficial effects of the present invention are as follows: the present invention adopts a spiral stirring blade and a heating bucket to stir and heat the nano metal powder, thereby preventing the nano metal powder from clumping and 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 clumping and agglomerating; and the nano metal powder has a uniform particle size and stable quality, so that the production efficiency of the nano metal powder is high, the cost is low, and the production benefit is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The present invention is applied to the structure and working principle of a nano metal powder production system.

[0014] Figure 2 It is a structural cross-sectional view of the present invention.

[0015] Figure 3 It is a top view of the structure of the present invention.

[0016] 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. the present invention; 5. metal ore; 6. metal evaporation furnace; 7. inert gas tank; 8. air compressor; 9. filtering and returning device; 10. electromagnetic 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.

[0017] 1016. High-position spiral cooling tube; 2018. Middle-position spiral cooling tube; 302. Low-position spiral cooling tube.

[0018] 83. One-way valve Ha; 84. One-way valve Hb.

[0019] 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.

[0020] 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.

[0021] 4051. Nano-metal powder input channel A; 4052. Nano-metal powder input channel B; 4053. Nano-metal powder input channel C; 4054. Nano-metal powder input channel D. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example

[0023] The present invention (4) is a device for manufacturing nano-metal powder and collecting powder to prevent agglomeration. exist Figure 2 , Figure 3In the invention (4), the powder collecting cylinder wall (401), the powder collecting cylinder silo (402), the powder collecting hopper wall (403), the powder collecting hopper silo (404), the powder collecting cylinder cover (405), the sealing ring C (406), the cover fixing bolt C (407), the hanging frame (408), the spiral stirring paddle (409), the heating hopper (410), the powder collecting hopper funnel (4011), the powder collecting hopper leak (4012), the powder collecting conveying pipe (4013), the valve FCa (4014), the vacuum gauge ZYCa (4015), the valve FCb (4016), the solenoid valve DFDa (4017), the valve FCc (4018), the solenoid valve DFDb (4019), the valve FCd (4020), the valve FCf (4021), the filter C (4022), the solenoid valve DFD c (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).

[0024] The function of the present invention (4) is to gather 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 filtration and return 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 agglomeration of the nano-metal powder.

[0025] The present invention (4) is characterized in that: a cylindrical cone bottom structure is formed by a powder collecting cylinder wall (401), a powder collecting hopper wall (403), and a powder collecting cylinder cover (405), 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 condensation device (1), a mid-position condensation and filtration device (2), a low-position buffer powder gathering tank (3), and a filtering and recycling device (9); a hanging frame (408) is installed inside the powder collecting cylinder silo (402), and a stirring motor (4027) is installed on the hanging frame (408); the stirring motor (4027) is installed on the stirring cylinder silo (402); A spiral stirring paddle (409) is arranged under 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 bucket (410) is arranged in the powder collecting hopper (404), and the heating bucket (410) cooperates with the spiral stirring paddle (409), thereby solving the problem of the nano-metal powder agglomerating into cakes due to the self-weight pressure and long-term accumulation when a large amount of nano-metal powder is accumulated in the powder collecting silo (402) and the powder collecting hopper (404); thus, the present invention (4) achieves the effect of agglomerating the nano-metal powder and preventing agglomeration.

[0026] 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 present invention (4) so ​​as to efficiently absorb the nano-metal powder input from the high-position condensing device (1), the middle-position condensing and filtering device (2), the low-position buffer powder gathering tank (3), and the filtering and returning device (9), and has the function of dehumidifying and drying, which can further prevent the agglomeration of the nano-metal powder.

[0027] exist Figure 1The present invention is applied to a nano metal powder production system, the nano metal powder production system comprising a high-position condensing device (1), a mid-position condensing and filtering device (2), a low-position buffer powder gathering tank (3), the present invention (4), metal ore (5), a metal evaporation furnace (6), 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 tank Pump A (18), water pump B (19), high-position spiral cooling pipe (1016), middle-position spiral cooling pipe (2018), low-position spiral cooling pipe (302), one-way valve Ha (83), one-way valve Hb (84); the technical function and effect of the present invention in the nano-metal powder production system are: the metal powder input from the high-position condensing device (1), the middle-position condensing and filtering device (2), the low-position buffer powder gathering tank (3), and the filtering and returning device (9) are collected, stirred and heated to perform anti-caking treatment on the metal powder, so as to achieve the effect that the metal powder produced by the nano-metal powder production system is not easy to form cakes or agglomerates.

Claims

1. A powder collecting and anti-agglomeration device for manufacturing nano-metal powder, the present invention (4) comprising: 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 blade (409), a heating hopper (410), a powder collecting hopper funnel (4011), a powder collecting hopper leak (4012), a powder collecting conveying pipe (4013), a valve FCa (4014), a vacuum gauge ZYCa (4015), a valve FCb (4016), and a solenoid valve DFD a (4017), valve FCc (4018), solenoid valve DFDb (4019), valve FCd (4020), valve FCf (4021), filter C (4022), solenoid valve DFDc (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), nano-metal powder input channel D (4054); characterized in that: The nano metal powder is stirred and heated by a spiral stirring blade (409) and a heating bucket (410) to prevent the nano metal powder from forming cakes or agglomerates due to long-term accumulation.

2. The device for manufacturing nano-metal powder and collecting powder to prevent agglomeration according to claim 1, characterized in that: The powder collecting cylinder wall (401), the powder collecting hopper wall (403), and the powder collecting cylinder cover (405) form a cylindrical cone bottom structure, and the inside of the powder collecting cylinder silo (402) and the powder collecting hopper silo (404) are provided.

3. The device for manufacturing nano-metal powder and collecting powder to prevent agglomeration according to claim 1, characterized in that: A hanging frame (408) is installed in the powder collecting silo (402), a stirring motor (4027) is installed in the hanging frame (408), a spiral stirring paddle (409) is installed under the stirring motor (4027), 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), and a heating hopper (410) is installed in the powder collecting hopper (404).

4. The device for manufacturing nano-metal powder and collecting powder to prevent agglomeration according to claim 1, characterized in that: 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) creates a vacuum negative pressure in the present invention (4), absorbs the input nano-metal powder, and removes moisture.

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