A continuous micro-nano material composite in-situ granulation equipment and process

Abstract

The present invention relates to the technical field of micro-nano material composite granulation, and more specifically, to a continuous micro-nano material composite in-situ granulation equipment and process, comprising: a mixing and granulation device for compounding micro-nano materials and granulating them after compounding; a first buffer tank connected to the mixing and granulation device for buffering and temporarily storing granular materials formed by granulation; a high-temperature reactor connected to the first buffer tank for high-temperature sintering the granular materials transported from the first buffer tank; a second buffer tank connected to the high-temperature reactor for buffering and temporarily storing the granular materials after sintering in the high-temperature reactor; and a cooling reactor connected to the second buffer tank for cooling the granular materials transported from the second buffer tank to a preset temperature. The present invention can improve the production stability and efficiency of granular materials, improve the uniformity and quality of granular materials, reduce equipment load, and mitigate potential thermal shock.

Description

Technical Field

[0001] The present invention relates to the technical field of micro-nano material composite granulation, and more particularly to a continuous micro-nano material composite in-situ granulation device and a process thereof. Background Art

[0002] Micro-nano material granulation equipment is a specialized industrial device used to produce micron- and nano-sized particles. It uses dry or wet granulation techniques to convert raw materials into particles of specific size and shape. The equipment's high-precision control, adaptability, efficiency, and automation capabilities have led to its widespread application in materials science, pharmaceutical formulations, nanotechnology, and chemical engineering.

[0003] However, the micro-nano material granulation equipment in the prior art does not have a buffer device. When in use, the granular material obtained by granulation is sent to a high-temperature kettle for drying, and then directly sent to a cooling kettle for cooling after drying. There are the following disadvantages: since no buffer tank is set, the granular material obtained by granulation directly enters the high-temperature kettle, which will increase the load and processing difficulty of the high-temperature kettle, especially when processing large quantities of materials; and the granular material after high-temperature sintering directly enters the cooling kettle for cooling, which will cause thermal shock to the cooling kettle. The heat load of the cooling kettle is large, and the granular material is prone to cracks due to excessive cooling. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a continuous micro-nano material composite in-situ granulation device and process thereof.

[0005] The continuous micro-nano material composite in-situ granulation equipment and process described in the present invention adopt the following technical solutions:

[0006] A continuous micro-nano material composite in-situ granulation device, comprising:

[0007] A mixing and granulating device is used to compound micro-nano materials and granulate them after compounding;

[0008] The first buffer tank is connected to the mixing and granulating device and is used to temporarily buffer and store the granular materials formed by granulation;

[0009] A high-temperature kettle connected to the first buffer tank, for high-temperature sintering the granular material transported from the first buffer tank into the kettle;

[0010] The second buffer tank is connected to the high-temperature kettle and is used to buffer and temporarily store the granular material after sintering in the high-temperature kettle;

[0011] The cooling kettle is connected to the second buffer tank and is used to cool the granular material transported from the second buffer tank into the cooling kettle to a preset temperature.

[0012] Furthermore, the mixing and granulating device includes: a VC mixer, and a granulator connected to the VC mixer, and the discharge port of the granulator is connected to the feed port of the first buffer tank through a material conveying pipe.

[0013] Furthermore, a jacket is installed on the outside of the high-temperature kettle, and a heat exchange chamber is formed between the jacket and the high-temperature kettle. The heat exchange chamber is connected to a heat exchange inlet and a heat exchange outlet provided on the jacket.

[0014] Furthermore, the electric heater of the high-temperature kettle is installed in the heat exchange chamber.

[0015] Furthermore, the vacuum interface of the high-temperature kettle is connected to the vacuum pump through a vacuum pipe with an electric control valve, and a heat insulation component is provided between the vacuum interface and the vacuum pipe.

[0016] Furthermore, the thermal insulation component includes: a U-shaped pipe fitting, the two ends of the U-shaped pipe fitting are respectively sealed and slidingly connected to the first extension slide tube and the second extension slide tube, the first extension slide tube is sealed and connected to the vacuum interface of the high-temperature kettle, and the second extension slide tube is sealed and connected to the vacuum pipe; the first extension slide tube and the second extension slide tube are connected to one end of the driving push rod, and the other end of the driving push rod is connected to the middle of the U-shaped pipe fitting to adjust the distance between the first extension slide tube and the second extension slide tube sliding into the U-shaped pipe fitting.

[0017] Furthermore, the U-shaped pipe fitting includes: a curved pipe section, a rectangular valve plate sealed and slidably arranged in a rectangular valve shell in the middle of the curved pipe section, the rectangular valve plate is connected to a control part connected to one end of the rectangular valve shell; a straight pipe section at one end of the curved pipe section is connected to an end cover one, a first sealing disk on a first extended sliding pipe is slidably arranged in the straight pipe section one, a coolant cavity is formed between the first extended sliding pipe, the first sealing disk, the straight pipe section one and the end cover one, and is connected to the material port one and the material port two on the end cover one, the material port two is connected to the annular expansion airbag on the annular plate fixed in the curved pipe section through a circulation pipe, and the annular expansion airbag is in contact with the rectangular valve plate.

[0018] Furthermore, an annular electromagnet is provided in the annular groove of the rectangular valve plate, and the annular electromagnet is magnetically engaged with an annular permanent magnet fixed on the side of the annular expansion airbag away from the annular plate.

[0019] Furthermore, the other end of the curved pipe section is connected to one end of the straight pipe section two, and the other end of the straight pipe section two is connected to an end cover two with a one-way discharge valve. The second sealing disk on the second extended sliding pipe is slidably arranged in the straight pipe section two, and one end of the medium conduit is fixedly connected to the end cover two, and the other end of the medium conduit is sealed and slides on the second sealing disk; the medium conduit is provided with air hole one and air hole two, and the air hole one and air hole two are respectively arranged at the two ends of the medium conduit; the end of the medium conduit away from the end cover two is closed, and the end of the medium conduit close to the end cover two is threadedly sealed and connected to the plug, and the plug is located outside the straight pipe section two.

[0020] Furthermore, the material inlet 1 is provided with a blockage, and the outer tube surface of the straight tube section 1 is provided with heat dissipation fins.

[0021] Furthermore, the control component includes: a threaded column connected to the rectangular valve plate, the middle part of the threaded column is slidably mounted on the end plate on the rectangular valve housing, and the other end of the threaded column is connected to the base through a first bracket; the first extension slide tube, the second extension slide tube and the driving push rod are all connected to the second bracket on the base, and when the driving push rod controls the first extension slide tube and the second extension slide tube to gradually slide out to the outside of the U-shaped pipe fitting, the rectangular valve plate is gradually inserted into the rectangular valve housing to close the valve cavity.

[0022] Furthermore, the first bracket includes: a rotating sleeve threadedly connected to the threaded column, the rotating sleeve is rotatably connected to the support body, and the support body is fixed to the base; a screw is threaded on the support body, and the screw abuts against the rotating sleeve.

[0023] Furthermore, a spring is sleeved on the threaded column, and the spring is located between the end plate and the rectangular valve plate.

[0024] A granulation process, applied to any of the above-mentioned continuous micro-nano material composite in-situ granulation equipment, the process comprising the following steps:

[0025] The micro-nano materials are placed in a mixing and granulating device for composite stirring, and granulated after the composite stirring is uniform to obtain granular materials;

[0026] The granulated granules are sent to the first buffer tank for temporary buffer storage;

[0027] The granular material in the first buffer tank is added to the high-temperature kettle in batches according to the processing speed of the high-temperature kettle for high-temperature sintering;

[0028] The pellets after high-temperature sintering are sent to the second buffer tank for temporary buffer storage and left to stand for a preset time to allow for preliminary cooling;

[0029] The pellets after preliminary cooling are added to the cooling kettle in batches according to the processing speed of the cooling kettle, so that the pellets are cooled to the preset temperature.

[0030] It can be seen from the above scheme that compared with traditional granulation equipment, the present invention has the following beneficial effects:

[0031] In a continuous micro-nano material composite in-situ granulation device of the present invention, a first buffer tank is provided, through which the granular material obtained by granulation can be buffered and temporarily stored, so that the granular material is added to the high-temperature kettle in batches according to the processing speed of the high-temperature kettle for high-temperature sintering, and the granular material obtained by granulation is prevented from directly entering the high-temperature kettle to increase the load and processing difficulty of the high-temperature kettle; a second buffer tank is provided, and the granular material after high-temperature sintering can be sent into the second buffer tank for buffering and temporary storage. In the second buffer tank, the granular material can go through a transition stage to alleviate the sharp change from high temperature to low temperature, which helps to control the cooling rate and avoid cracks in the granular material caused by too rapid cooling. It can improve the production stability and efficiency of the granular material, improve the uniformity and quality of the granular material, reduce the load on the equipment, and reduce potential thermal shock.

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0034] Figure 1 An overall schematic diagram provided for an embodiment of the present invention;

[0035] Figure 2 A schematic diagram of a high-temperature kettle provided in an embodiment of the present invention;

[0036] Figure 3 Schematic diagram of the heat insulation component provided by the embodiment of the present invention Figure 1 ;

[0037] Figure 4 Schematic diagram of the heat insulation component provided by the embodiment of the present invention Figure 2 ;

[0038] Figure 5 A cross-sectional view of a heat insulation component provided by an embodiment of the present invention;

[0039] Figure 6 A schematic diagram of a U-shaped pipe fitting provided in an embodiment of the present invention;

[0040] Figure 7 A cross-sectional view of a U-shaped pipe fitting provided in an embodiment of the present invention;

[0041] Figure 8 A schematic diagram of the structure of a control unit provided in an embodiment of the present invention;

[0042] Figure 9 Part of the heat insulation component provided by the embodiment of the present invention Figure 1 ;

[0043] Figure 10 Part of the heat insulation component provided by the embodiment of the present invention Figure 2 ;

[0044] Figure 11 A schematic diagram of a medium conduit provided in an embodiment of the present invention;

[0045] Figure 12 A schematic diagram of a first extended sliding tube provided in an embodiment of the present invention;

[0046] Figure 13 This is a schematic diagram of a second extended sliding tube provided in an embodiment of the present invention.

[0047] Icons: mixing and granulating device 100; first buffer tank 200; high-temperature kettle 300; second buffer tank 400; cooling kettle 500; vacuum pipe 600; vacuum pump 700; thermal insulation component 800; U-shaped pipe fitting 801; first extension slide 802; second extension slide 803; driving push rod 804; curved pipe section 805; rectangular valve housing 806; rectangular valve plate 807; straight pipe section one 808; first sealing disk 809; circulation pipe 810; annular plate 811; annular expansion airbag 812; annular electromagnet 813; annular permanent magnet 814; straight pipe section two 815; one-way discharge valve 816; second sealing disk 817; medium conduit 818; air hole one 819; air hole two 820; threaded column 821; rotating sleeve 822; support body 823; screw 824. DETAILED DESCRIPTION

[0048] In order to clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings below, it is obvious that the embodiments described are only part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0049] It should be understood that terms such as “having”, “including” and “comprising” used herein do not preclude the existence or addition of one or more other elements or combinations thereof.

[0050] Example 1

[0051] See also Figure 1-13 The present invention provides a technical solution: a continuous micro-nano material composite in-situ granulation device, comprising:

[0052] The mixing and granulating device 100 is used to compound the micro-nano materials and granulate them after compounding;

[0053] The first buffer tank 200 is connected to the mixing and granulating device 100 and is used to temporarily buffer and store the granulated particles;

[0054] The high-temperature reactor 300 is connected to the first buffer tank 200 and is used to perform high-temperature sintering on the granular material transported from the first buffer tank 200;

[0055] The second buffer tank 400 is connected to the high-temperature kettle 300 and is used to temporarily buffer and store the granular material after sintering in the high-temperature kettle 300;

[0056] The cooling kettle 500 is connected to the second buffer tank 400 and is used to cool the pellets transported from the second buffer tank 400 to a preset temperature.

[0057] The working principle and technical effects of the above technical solution are as follows:

[0058] The present invention relates to a continuous micro-nano material composite in-situ granulation device. When performing micro-nano material composite processing and granulation, the micro-nano material is first placed in a mixing and granulation device 100 for composite stirring. After the composite stirring is uniform, granulation is performed to obtain granular material; the granular material formed by granulation is then sent to a first buffer tank 200 for buffering and temporary storage. The granular material in the first buffer tank 200 is then added to the high-temperature kettle 300 in batches according to the processing speed of the high-temperature kettle 300 for high-temperature sintering. The first buffer tank 200 is provided to facilitate the granular material to be added to the high-temperature kettle 300 in batches according to the processing speed of the high-temperature kettle 300 for high-temperature sintering, thereby preventing the granular material obtained by granulation from directly entering the high-temperature kettle 300 to increase the load and processing difficulty of the high-temperature kettle 300; the granular material after high-temperature sintering is then sent to the first buffer tank 200 for buffering and temporary storage. The pellets are sent to the second buffer tank 400 for temporary buffer storage, and allowed to stand for a preset time to allow for preliminary cooling. Finally, the pellets after preliminary cooling are added to the cooling kettle 500 in batches according to the processing speed of the cooling kettle 500, so that the pellets are cooled to a preset temperature. A second buffer tank 400 is set up, and the pellets after high-temperature sintering can be sent to the second buffer tank 400 for temporary buffer storage. In the second buffer tank 400, the pellets can go through a transition stage to alleviate the sharp change from high temperature to low temperature, which helps to control the cooling rate and avoid thermal stress or cracks caused by excessive cooling when directly added to the cooling kettle 500. It can improve the production stability and efficiency of the pellets, improve the uniformity and quality of the pellets, reduce the load on the equipment, and reduce potential thermal shock.

[0059] The mixing and granulating device 100 includes: a VC mixer and a granulator connected to the VC mixer. The discharge port of the granulator is connected to the feed port of the first buffer tank 200 through a material conveying pipe. The VC mixer is used to continuously and efficiently mix the micro-nano materials, and after mixing, the mixture is conveyed to the granulator for granulation. The granulator and VC mixer are both existing equipment purchased on the market and have no unique structural design.

[0060] The high-temperature kettle 300 is externally mounted with a jacket, forming a heat exchange chamber between the jacket and the kettle 300. The heat exchange chamber is connected to a heat exchange inlet and a heat exchange outlet provided on the jacket, and the electric heater of the high-temperature kettle 300 is installed in the heat exchange chamber. The heat exchange chamber between the jacket and the high-temperature kettle 300 can improve the efficiency of heat exchange. The fluid in the jacket transfers heat to the material inside the high-temperature kettle 300 through the heat exchange chamber, thereby achieving rapid and uniform heating or cooling of the material inside the high-temperature kettle 300. Because the jacket can independently control the flow rate and temperature of the fluid at the inlet and outlet, the temperature inside the high-temperature kettle 300 can be more accurately regulated. The jacket design helps maintain a uniform temperature inside the high-temperature kettle 300, reduces local overheating or overcooling, and helps improve the consistency and quality of the granular material. It can also effectively prevent damage to the high-temperature kettle 300 due to local overheating and prevent excessive cooling of the material inside the high-temperature kettle 300 by the external environment.

[0061] The vacuum interface of the high-temperature reactor 300 is connected to the vacuum pump 700 via a vacuum pipe 600 with an electric control valve, and a heat insulating component 800 is provided between the vacuum interface and the vacuum pipe 600. The provision of the heat insulating component 800 can solve the problem that the temperature difference between the vacuum interface of the high-temperature reactor 300 and the vacuum pipe 600 may cause heat to be transferred to the vacuum pipe 600 and the vacuum pump 700, thereby affecting the performance of the vacuum pipe 600 and the vacuum pump 700. The heat insulating component 800 can effectively prevent heat conduction and prevent high-temperature gas from entering the vacuum pump, which may cause its performance to deteriorate. It maintains the stability and efficiency of the vacuum pipe 600 and the vacuum pump 700, reduces the impact of temperature changes on the vacuum pipe 600 and the vacuum pump 700, ensures the service life, and improves the overall stability of the present invention.

[0062] Example 2

[0063] See also Figure 1-13The thermal insulation component 800 includes: a U-shaped pipe fitting 801, the two ends of the U-shaped pipe fitting 801 are respectively sealed and slidably connected to a first extension slide pipe 802 and a second extension slide pipe 803, the first extension slide pipe 802 is sealedly connected to the vacuum interface of the high-temperature kettle 300, and the second extension slide pipe 803 is sealedly connected to the vacuum pipe 600; the first extension slide pipe 802 and the second extension slide pipe 803 are connected to one end of a driving push rod 804, and the other end of the driving push rod 804 is connected to the middle of the U-shaped pipe fitting 801 to adjust the distance between the first extension slide pipe 802 and the second extension slide pipe 803 and the U-shaped pipe fitting 801.

[0064] The working principle and technical effects of the above technical solution are as follows:

[0065] In a continuous micro-nano material composite in-situ granulation device of the present invention, the first extension slide 802 is sealedly connected to the vacuum interface of the high-temperature kettle 300, and the second extension slide 803 is sealedly connected to the vacuum pipe 600. When vacuuming is required, the push rod 804 is driven to shrink as a whole. At this time, the first extension slide 802 and the second extension slide 803 can be controlled to slide into the U-shaped pipe 801 to the maximum length. The vacuum channel formed by the first extension slide 802, the second extension slide 803 and the U-shaped pipe 801 as a whole is shorter. A shorter vacuum channel length usually means less resistance, so that the vacuum pump 700 can extract the gas in the high-temperature kettle 300 faster, thereby improving the speed and efficiency of vacuuming. If the pipeline is too long, it may increase the resistance to gas flow, reduce the pumping rate, and thus affect the high temperature. The speed and stability of establishing the vacuum degree in the kettle 300 ensure the vacuuming speed and vacuuming effect of the vacuum pump 700, and prevent the long vacuuming channel from causing a large gas flow resistance, which affects the vacuuming efficiency of the vacuum pump 700; and after the vacuum pump 700 is evacuated, in order to achieve a better heat insulation effect, the driving push rod 804 is controlled to extend as a whole. At this time, the driving push rod 804 controls the first extension slide 802 and the second extension slide 803 to slide out to the length of the U-shaped pipe 801 to the maximum state. The channel formed by the first extension slide 802, the second extension slide 803 and the U-shaped pipe 801 as a whole is longer, which can improve the heat insulation effect, and can help better isolate the high-temperature area from the vacuum pump 700, reduce the impact of high temperature on the vacuum pump 700, thereby improving the stability and durability of the vacuum pump 700, and is very convenient to adjust.

[0066] The U-shaped pipe fitting 801 includes: a curved pipe section 805, a rectangular valve plate 807 sealed and slidably arranged in a rectangular valve shell 806 in the middle of the curved pipe section 805, and the rectangular valve plate 807 is connected to a control part connected to one end of the rectangular valve shell 806; an end cover 1 is connected to a straight pipe section 808 at one end of the curved pipe section 805, and a first sealing disk 809 on the first extended sliding pipe 802 is slidably arranged in the straight pipe section 808. A coolant cavity is formed between the first extended sliding pipe 802, the first sealing disk 809, the straight pipe section 808 and the end cover 1, and is connected to the material port 1 and the material port 2 on the end cover 1. The material port 2 is connected to the annular expansion airbag 812 on the annular plate 811 fixed in the curved pipe section 805 through a circulation pipe 810, and the annular expansion airbag 812 abuts against the rectangular valve plate 807.

[0067] A rectangular valve plate 807 for blocking the U-shaped pipe fitting 801 is provided in the middle of the curved pipe section 805. After vacuuming, the rectangular valve plate 807 is inserted into the rectangular valve housing 806 through the control unit to better block the high-temperature area, further reduce the impact of the high-temperature area on the vacuum pump 700, and further adjust the vacuuming speed; a coolant cavity is formed between the first extended slide 802, the first sealing disk 809, the straight pipe section 1 808 and the end cover 1, and coolant can be injected into the coolant cavity through the material port 1. The material port 1 is detachably sealed and blocked. After the coolant is injected, Through the blocking sealing material port 1, when vacuuming or extracting the gas generated during the high-temperature sintering of the granular material, the coolant is in the coolant chamber. At this time, the high-temperature gas can be cooled by the coolant in the coolant chamber, and a heat dissipation fin is provided on the outer tube surface of the straight pipe section 1 808 to facilitate the rapid heat dissipation after the coolant absorbs heat; after vacuuming, the control driving push rod 804 is controlled to extend as a whole. At this time, the driving push rod 804 controls the first extension slide 802 and the second extension slide 803 to slide out to the maximum length in the U-shaped pipe 801. The first extension slide 802 and the first sealing The space of the coolant cavity formed between the disc 809, the straight pipe section 1 808 and the end cover 1 becomes smaller. At this time, the coolant is pressed into the annular expansion airbag 812 through the circulation pipe 810. When the rectangular valve plate 807 is inserted into the rectangular valve shell 806 to better block the high temperature area, the annular expansion airbag 812 filled with coolant expands and deforms. Since one side of the annular expansion airbag 812 is fixed to the annular plate 811 in the curved pipe section 805, the annular expansion airbag 812 can be more tightly pressed against the rectangular valve plate 807 when it expands. At this time, the annular expansion airbag 812 and the rectangular valve plate 807 are in a state of being compressed. An efficient seal is formed between them to prevent gas or liquid from entering the second extended slide tube 803 from the first extended slide tube 802, and the outer ring surface of the annular expansion airbag 812 is tightly fitted to the inner wall of the curved pipe section 805, which can further improve the partition effect, and the coolant in the annular expansion airbag 812 can also play a role in cooling and reducing the temperature, reducing the damage of high-temperature gas to the rectangular valve plate 807, preventing the rectangular valve plate 807 and the sealing material at the connection between the rectangular valve plate 807 and the rectangular valve shell 806 from thermal expansion, aging or damage, thereby ensuring the normal operation of the rectangular valve plate 807 and the rectangular valve shell 806.

[0068] An annular electromagnet 813 is provided in the annular groove of the rectangular valve plate 807. The annular electromagnet 813 is magnetically coupled with an annular permanent magnet 814 fixed to the side of the annular expansion airbag 812 away from the annular plate 811. After the annular electromagnet 813 is energized, it can be magnetically coupled with the annular permanent magnet 814, thereby improving the stability of the rectangular valve plate 807 in closing the rectangular valve housing 806. In addition, since the annular expansion airbag 812 is filled with coolant, the annular expansion airbag 812 can wrap and protect the annular permanent magnet 814 and the annular electromagnet 813 after expansion, reducing the impact of high temperature on the performance of the annular permanent magnet 814 and the annular electromagnet 813, and preventing magnetic degradation.

[0069] The other end of the curved pipe section 805 is connected to one end of the straight pipe section 2 815, and the other end of the straight pipe section 2 815 is connected to the end cover 2 with a one-way discharge valve 816. The second sealing disk 817 on the second extended slide pipe 803 is slid into the straight pipe section 2 815, and one end of the medium conduit 818 is fixed on the end cover 2, and the other end of the medium conduit 818 is sealed and slides on the second sealing disk 817; the medium conduit 818 is provided with an air hole 1 819 and an air hole 2 820, and the air hole 1 819 and the air hole 2 820 are respectively arranged at the two ends of the medium conduit 818; the end of the medium conduit 818 away from the end cover 2 is closed, and the end of the medium conduit 818 close to the end cover 2 is threadedly sealed and connected to a plug, and the plug is located outside the straight pipe section 2 815.

[0070] When the heat insulation component 800 is used as an exhaust device during high-temperature sintering, the vacuum pump 700 can be used for exhaust without relying on the vacuum pump 700, and the electric control valve of the vacuum pipe 600 is closed to prevent high-temperature gas from entering the vacuum pipe 600 and the vacuum pump 700; the driving push rod 804 is controlled to extend as a whole, at which time, the rectangular valve plate 807 is separated from the rectangular valve housing 806, and the straight pipe section 1 808, the curved pipe section 805 and the straight pipe section 2 815 are connected, and the driving push rod 804 is operated. The length of the first extension slide 802 and the second extension slide 803 sliding out into the U-shaped pipe 801 is controlled to be longer, so that the air hole 1 819 and the air hole 2 820 on the medium conduit 818 are respectively located at the upper and lower ends of the second sealing disk 817. At this time, the high-temperature gas enters the straight pipe section 2 815 through the straight pipe section 1 808 and the curved pipe section 805, enters the medium conduit 818 through the air hole 1 819, and enters the straight pipe section 2 through the air hole 2 820 of the medium conduit 818. 815, the exhaust area formed between the second sealing disk 817 and the end cover 2, and is discharged through the one-way discharge valve 816 on the end cover 2 when the pressure rises. The one-way discharge valve 816 allows the medium to be discharged outward in one direction from the exhaust area of ​​the straight pipe section 2 815. When vacuum exhaust is performed, the push rod 804 is driven to shrink as a whole. At this time, the length of the first extension slide 802 and the second extension slide 803 sliding into the U-shaped pipe fitting 801 can be controlled to be the maximum state. When the vacuum channel formed by the first extension slide 802, the second extension slide 803 and the U-shaped pipe fitting 801 as a whole is short, the air hole 1 819 and the air hole 2 820 are both located in the exhaust area formed between the straight pipe section 2 815, the second sealing disk 817 and the end cover 2, and the medium conduit 818 seals and blocks the through hole on the second sealing disk 817. At this time, when the vacuum pump 700 is turned on to exhaust, the gas will not enter the exhaust area of ​​the straight pipe section 2 815, preventing it from affecting the vacuum efficiency of the vacuum pump 700.

[0071] Example 3

[0072] See also Figure 1-13The control component includes: a threaded column 821 connected to the rectangular valve plate 807, the middle part of the threaded column 821 is slidably mounted on the end plate on the rectangular valve housing 806, and the other end of the threaded column 821 is connected to the base through a first bracket; the first extension slide tube 802, the second extension slide tube 803 and the driving push rod 804 are all connected to the second bracket on the base. When the driving push rod 804 controls the first extension slide tube 802 and the second extension slide tube 803 to gradually slide out to the outside of the U-shaped pipe 801, the rectangular valve plate 807 is gradually inserted into the rectangular valve housing 806 to close the valve cavity. The above-described structure allows the driving push rod 804 to control the first extension slide 802 and the second extension slide 803 to slide out to their maximum length within the U-shaped tube 801. When the passage formed by the first extension slide 802, the second extension slide 803, and the U-shaped tube 801 is relatively long, the rectangular valve plate 807 gradually inserts into the rectangular valve housing 806 to seal the valve cavity. Conversely, when vacuum is applied, the rectangular valve plate 807 gradually disengages from the rectangular valve housing 806 to release the seal on the valve cavity, achieving automatic opening and closing. Under normal circumstances, no separate adjustment is required. A spring is mounted on the threaded column 821, located between the end plate and the rectangular valve plate 807, to enhance the stability of the rectangular valve plate 807 after movement.

[0073] The first bracket includes: a rotating sleeve 822 threadedly connected to the threaded column 821, the rotating sleeve 822 is rotatably connected to the support body 823, and the support body 823 is fixed to the base; a screw 824 is threaded on the support body 823, and the screw 824 abuts against the rotating sleeve 822. When it is necessary to manually control the opening and closing of the rectangular valve plate 807, the screw 824 is rotated to release the limit on the rotating sleeve 822, and then the rotating sleeve 822 is rotated to change the contact position of the rotating sleeve 822 and the threaded column 821, so that the rectangular valve plate 807 can be manually controlled to slide in the rectangular valve housing 806 to achieve manual adjustment.

[0074] Example 4

[0075] See also Figure 1-13 A granulation process is applied to the continuous micro-nano material composite in-situ granulation equipment, and the process includes the following steps:

[0076] The micro-nano material is placed in a mixing and granulating device 100 for composite stirring, and granulated after the composite stirring is uniform to obtain granular material;

[0077] The granulated granules are fed into the first buffer tank 200 for temporary buffer storage;

[0078] The granular material in the first buffer tank 200 is added to the high-temperature kettle 300 in batches according to the processing speed of the high-temperature kettle 300 for high-temperature sintering;

[0079] The pellets after high-temperature sintering are sent to the second buffer tank 400 for temporary buffer storage and left to stand for a preset time to allow for preliminary cooling;

[0080] The pellets after preliminary cooling are added to the cooling kettle 500 in batches according to the processing speed of the cooling kettle 500, so that the pellets are cooled to a preset temperature.

[0081] The granulation process of the present invention has the following technical effects:

[0082] The granular material formed by granulation is sent to the first buffer tank 200 for buffering and temporary storage, so that the granular material can be added to the high-temperature kettle 300 in batches according to the processing speed of the high-temperature kettle 300 for high-temperature sintering, and the granular material obtained by granulation is prevented from directly entering the high-temperature kettle 300 to increase the load and processing difficulty of the high-temperature kettle 300; the granular material after high-temperature sintering is sent to the second buffer tank 400 for buffering and temporary storage, and is allowed to stand for a preset time to allow it to initially cool. In the second buffer tank 400, the granular material can go through a transition stage to alleviate the sharp change from high temperature to low temperature, which helps to control the cooling rate and avoid thermal stress or cracks caused by excessive cooling, thereby improving the production stability and efficiency of the granular material and improving the uniformity and quality of the granular material.

[0083] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0084] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0085] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A continuous micro-nano material composite in-situ granulation device, characterized in that: include: A mixing and granulating device is used to compound micro-nano materials and granulate them after compounding; The first buffer tank is connected to the mixing and granulating device and is used to temporarily buffer and store the granular materials formed by granulation; A high-temperature reactor connected to the first buffer tank, for high-temperature sintering the granular material transported from the first buffer tank into the reactor; The second buffer tank is connected to the high-temperature kettle and is used to buffer and temporarily store the granular material after sintering in the high-temperature kettle; A cooling kettle connected to the second buffer tank, for cooling the pellets conveyed from the second buffer tank to a preset temperature; The vacuum interface of the high-temperature kettle is connected to the vacuum pump through a vacuum pipe with an electric control valve, and a heat insulation component is provided between the vacuum interface and the vacuum pipe; The heat-insulating component includes: a U-shaped pipe fitting, wherein both ends of the U-shaped pipe fitting are respectively and sealingly connected to a first extension slide pipe and a second extension slide pipe, the first extension slide pipe is sealedly connected to the vacuum interface of the high-temperature kettle, and the second extension slide pipe is sealedly connected to the vacuum pipeline; the first extension slide pipe and the second extension slide pipe are connected to one end of a driving push rod, and the other end of the driving push rod is connected to the middle of the U-shaped pipe fitting to adjust the distance the first extension slide pipe and the second extension slide pipe slide into the U-shaped pipe fitting; The U-shaped pipe fitting includes: a curved pipe section, a rectangular valve plate sealingly slidingly arranged in a rectangular valve housing in the middle of the curved pipe section, the rectangular valve plate being connected to a control portion connected to one end of the rectangular valve housing; a straight pipe section at one end of the curved pipe section is connected to an end cover 1, a first sealing disk on a first extended sliding pipe is slidably arranged in the straight pipe section 1, a coolant cavity is formed between the first extended sliding pipe, the first sealing disk, the straight pipe section 1 and the end cover 1, and is connected to a feed port 1 and a feed port 2 on the end cover 1, the feed port 2 is connected to an annular expansion airbag on an annular plate fixed in the curved pipe section through a circulation pipe, and the annular expansion airbag abuts against the rectangular valve plate; An annular electromagnet is provided in the annular groove of the rectangular valve plate, and the annular electromagnet is magnetically engaged with an annular permanent magnet fixed on the side of the annular expansion airbag away from the annular plate; The other end of the curved pipe section is connected to one end of the straight pipe section 2, and the other end of the straight pipe section 2 is connected to the end cover 2 with a one-way discharge valve; the second sealing disk on the second extended sliding pipe is slidably arranged in the straight pipe section 2, and one end of the medium conduit is fixedly connected to the end cover 2, and the other end of the medium conduit is sealed and slides on the second sealing disk; the medium conduit is provided with air hole 1 and air hole 2, and the air hole 1 and air hole 2 are respectively arranged at the two ends of the medium conduit; the end of the medium conduit away from the end cover 2 is closed, and the end of the medium conduit close to the end cover 2 is threadedly sealed and connected to the plug, and the plug is located outside the straight pipe section 2.

2. The continuous micro-nano material composite in-situ granulation equipment according to claim 1, characterized in that: The mixing and granulating device comprises: a VC mixer and a granulator connected to the VC mixer, and the discharge port of the granulator is connected to the feed port of the first buffer tank through a material conveying pipe.

3. The continuous micro-nano material composite in-situ granulation equipment according to claim 1, characterized in that: A jacket is installed on the outside of the high-temperature kettle, and a heat exchange chamber is formed between the jacket and the high-temperature kettle. The heat exchange chamber is communicated with a heat exchange inlet and a heat exchange outlet arranged on the jacket.

4. The continuous micro-nano material composite in-situ granulation equipment according to claim 3, characterized in that: The electric heater of the high-temperature kettle is installed in the heat exchange chamber.

5. A granulation process, applied to the continuous micro-nano material composite in-situ granulation equipment according to any one of claims 1 to 4, characterized in that: The process includes the following steps: The micro-nano materials are placed in a mixing and granulating device for composite stirring, and granulated after the composite stirring is uniform to obtain granular materials; The granulated granules are fed into the first buffer tank for temporary buffer storage; The granular material in the first buffer tank is added to the high-temperature kettle in batches according to the processing speed of the high-temperature kettle for high-temperature sintering; The pellets after high-temperature sintering are sent to the second buffer tank for temporary buffer storage and left to stand for a preset time to allow for preliminary cooling; The pellets after preliminary cooling are added to the cooling kettle in batches according to the processing speed of the cooling kettle, so that the pellets are cooled to the preset temperature.

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