CN114618378B - Lithium battery negative electrode material preparation balling powder device - Google Patents
Lithium battery negative electrode material preparation balling powder device Download PDFInfo
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- CN114618378B CN114618378B CN202210250391.7A CN202210250391A CN114618378B CN 114618378 B CN114618378 B CN 114618378B CN 202210250391 A CN202210250391 A CN 202210250391A CN 114618378 B CN114618378 B CN 114618378B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a device for preparing spheroidized powder by using a lithium battery cathode material, which comprises a plate frame, wherein a vacuum tank is fixedly arranged on the plate frame, a powder removing motor is arranged at the top of the vacuum tank, a sealing plate is arranged on the side wall of the inner top of the vacuum tank, a hollow powder removing cone is arranged on the sealing plate in a sealing and rotating mode in the middle of the sealing plate, a shaft of the powder removing motor extends into the vacuum tank and is fixed at the upper end of the hollow powder removing cone, and a negative pressure vacuum pump is fixedly arranged on the side wall of the vacuum tank. The spherical solid powder is formed by spraying and cooling the powder raw material in a vacuum environment after the powder raw material is melted by utilizing the phenomenon that the liquid tends to be spherical in the environment with higher vacuum degree, the spheroidizing effect is better, cooling water is heated and gasified in vacuum and is discharged, the spherical solid powder is not affected with damp, the subsequent treatment difficulty is reduced, the integral structure is simple, the use and the maintenance are convenient, and the cost is lower.
Description
Technical Field
The invention relates to the field of lithium battery raw material production, in particular to a device for preparing spheroidized powder from a lithium battery negative electrode material.
Background
The existing powder spheroidizing device generally adopts plasma gas to efficiently combust and heat a powder raw material to liquefy the powder raw material, and then the liquefied powder raw material enters water to be cooled to form spherical solid, but because the resistance of the water is larger, molten liquid drops are easy to deform when entering the water to cause poorer spheroidization degree, higher-quality spherical powder cannot be obtained, and the plasma gas preparation needs to consume a large amount of cost and is inconvenient to use and maintain, so that the use cost is increased.
Disclosure of Invention
The invention aims to solve the defects of poor spheroidization degree of direct cooling forming, inconvenient maintenance and use and high cost in the prior art, and provides a device for preparing spheroidized powder from a lithium battery cathode material.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a lithium cell cathode material preparation balling powder device, includes the grillage, fixed mounting has the vacuum tank on the grillage, the top of vacuum tank is installed and is taken off the powder motor, install the closing plate on the interior top lateral wall of vacuum tank, sealed rotation between two parties on the closing plate installs hollow powder awl of taking off, the spindle that takes off the powder motor extends to in the vacuum tank and fixes in the upper end that the powder awl was taken off to the hollow, fixed mounting has negative pressure vacuum pump on the lateral wall of vacuum tank, install the pressure tube on the negative pressure vacuum pump, the one end that negative pressure vacuum pump was kept away from to the pressure tube extends to in the vacuum tank, the pressure tube is located the top of closing plate with the junction of vacuum tank, the lower extreme of vacuum tank extends to the below of grillage and sealed the inserting and establishes and installs the collecting box, install head tank and coolant tank on the grillage respectively, symmetry installs two feeding tanks and two feeding tanks on the grillage, every feeding tank all includes the first jar body of fixing on the grillage, every feeding tank all extends to the second jar body and the one-way one-direction liquid discharge valve is installed and is extended to the one-up two one-direction liquid tubes of the one-discharge tubes of the one-direction liquid discharge tube is equal to the one-tube of the one-to the one-direction of the second jar, and the one-direction liquid-discharge tube is installed respectively to the one-tube is extended to the one-direction liquid discharge tube of the one-to the one-direction liquid-discharge tube of the one-direction liquid-discharge tube of the one-to the second jar, and is installed to the one-direction liquid-discharge tube is installed respectively.
Preferably, every equal fixed mounting in upper end of the second jar of body has the pneumatic cylinder, every the lower extreme of pneumatic cylinder all seals to slide and inserts and be equipped with the piston rod, every the lower extreme of piston rod all extends to and corresponds the second jar of side internal and fixed mounting has a piston post, every the piston post all seals sliding mounting in the second jar of corresponding side.
Preferably, a plurality of hollow flame spraying rings are fixedly installed in the third tank body, a shunt pipe is inserted and installed on the outer side wall of the third tank body, a plurality of pipe orifices of the shunt pipe extend into the hollow flame spraying rings, and a gas pipe is installed on the shunt pipe.
Preferably, a feed hopper is fixedly inserted into the upper end of the third tank body, an exhaust pipe is inserted above the side wall of the third tank body, and the exhaust pipe extends into the feed hopper on the corresponding side.
Preferably, the joint of each liquid discharge pipe and the first tank body on the corresponding side is located above the first tank body, and the joints of the two liquid suction pipes, the third tank body and the cooling water tank are located at the lower end of the side wall of the third tank body and the lower end of the side wall of the cooling water tank respectively.
Preferably, a heat dissipation cavity is arranged in the side wall of the material collection box, a plurality of heat dissipation holes communicated with the heat dissipation cavity are formed in the outer bottom wall and the outer side wall of the material collection box, and two heat dissipation fans are symmetrically arranged on the outer side wall of the material collection box.
Preferably, the hollow powder removing cone comprises a cylindrical end and a conical end which are connected with each other, the cylindrical end is inserted on the sealing plate in a sealing and rotating mode, a machine shaft of the powder removing motor is fixed on the upper surface of the cylindrical end, the conical end is located below the sealing plate, a plurality of negative pressure holes are formed in one section of side wall, located above the sealing plate, of the cylindrical end, a plurality of adsorption holes are uniformly formed in the conical surface of the conical end, and the bottom of the conical end is located above the two atomizing spray heads.
The invention has the beneficial effects that: through utilizing liquid to tend to spherical phenomenon in the higher environment of vacuum for powder raw materials spouts and cools off in vacuum environment after the melting and forms spherical solid powder, and the balling effect is better, and the cooling water intensifies the gasification in vacuum and is discharged, makes spherical solid powder not wet, reduces the subsequent processing degree of difficulty, and overall structure constitutes simply, and it is convenient to use the maintenance, and the cost is lower.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for preparing spheroidized powder from a negative electrode material of a lithium battery according to the present invention;
FIG. 2 is an enlarged view of a part of a material feeding tank of the device for preparing spheroidized powder by using the negative electrode material of the lithium battery provided by the invention;
FIG. 3 is an enlarged view of a hollow powder-removing cone part of the device for preparing spheroidized powder from the negative electrode material of the lithium battery.
In the figure: 1 plate frame, 2 vacuum tanks, 21 powder removing motors, 22 sealing plates, 3 material collecting boxes, 31 heat dissipation cavities, 32 heat dissipation holes, 33 heat dissipation fans, 4 feeding tanks, 41 first tank bodies, 42 pressure pipes, 43 atomizing nozzles, 5 material feeding tanks, 51 second tank bodies, 52 hydraulic cylinders, 53 piston rods, 54 piston columns, 55 liquid suction pipes, 56 liquid discharge pipes, 57 first one-way valves, 58 second one-way valves, 6 raw material tanks, 61 third tank bodies, 62 hollow flame spraying rings, 63 shunt pipes, 64 gas pipes, 65 feed hoppers, 66 exhaust pipes, 7 cooling water tanks, 8 hollow powder removing cones, 81 cylinder ends, 82 cone ends, 83 negative pressure holes, 84 adsorption holes, 9 negative pressure vacuum pumps and 91 pressure pumping pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a device for preparing spheroidized powder by using a lithium battery cathode material comprises a plate frame 1, a vacuum tank 2 is fixedly installed on the plate frame 1, a powder removing motor 21 is installed at the top of the vacuum tank 2, a sealing plate 22 is installed on the side wall of the inner top of the vacuum tank 2, a hollow powder removing cone 8 is installed on the sealing plate 22 in a sealing and rotating manner in the middle, a shaft of the powder removing motor 21 extends into the vacuum tank 2 and is fixed at the upper end of the hollow powder removing cone 8, a negative pressure vacuum pump 9 is fixedly installed on the side wall of the vacuum tank 2, a pumping pipe 91 is installed on the negative pressure vacuum pump 9, one end of the pumping pipe 91, far away from the negative pressure vacuum pump 9, extends into the vacuum tank 2, the connection part of the pumping pipe 91 and the vacuum tank 2 is positioned above the sealing plate 22, the lower end of the vacuum tank 2 extends to the lower part of the plate frame 1 and is provided with a material collecting box 3 in a sealing and inserting manner, a raw material tank 6 and a cooling water tank 7 are respectively installed on the plate frame 1, two material feeding tanks 5 and two material feeding tanks 4 are symmetrically installed on the plate frame 1, each material feeding tank 4 comprises a first tank body 41 fixed on the plate frame 1, each material feeding tank 5 comprises a second tank body 51 fixed on the plate frame 1, each material feeding tank 6 comprises a third tank body 61 fixed on the plate frame 1, a pipette 55 and a liquid discharge pipe 56 are installed at the lower end of the side wall of each second tank body 51 respectively, a first check valve 57 and a second check valve 58 are installed on each pipette 55 and the liquid discharge pipe 56 respectively, one ends, far away from the two second tank bodies 51, of the two pipettes 55 extend into the cooling water tank 7 and the third tank body 61 respectively, one ends, far away from the two second tank bodies 51, of the two liquid discharge pipes 56 extend into the two first tank bodies 41 respectively, the upper end of each first tank body 41 is inserted with a pressure pipe 42 in a sealing manner, and one end, far away from the first tank body 41, of each pressure pipe 42 extends into the vacuum tank 2 in an inclined manner and is provided with an atomizing nozzle 43.
The negative pressure vacuum pump 9 makes vacuum tank 2 and the interior vacuum environment that produces of collecting box 3 through the suction pipe 91, liquid floats in the higher vacuum environment and is in the globular, head tank 6 burns the powder raw materials and melts into liquid, send into the first jar of body 41 of feed tank 4 through feed tank 5, make liquid raw materials flow to atomizer 43 department from pressure pipe 42, spout under the effect of pressure and form vaporific liquid drop, the liquid drop is the parabola motion in vacuum tank 2, then the liquid drop begins to fall when reaching the peak, because the vacuum is higher in vacuum tank 2, the resistance that the liquid drop receives is less, make liquid tend to the sphericity, and the feed tank 5 of opposite side atomizes the cooling water in the cooling water tank 7 through feed tank 4 and spouts in vacuum tank 2, make vaporific cooling water drop and raw materials liquid drop contact cooling, make the raw materials liquid drop cooling become spherical solid, realize the balling of powder, the processing speed is fast and globular form is good.
The upper end of each second tank body 51 is fixedly provided with a hydraulic cylinder 52, the lower end of each hydraulic cylinder 52 is hermetically and slidably inserted with a piston rod 53, the lower end of each piston rod 53 extends into the corresponding second tank body 51 and is fixedly provided with a piston column 54, and each piston column 54 is hermetically and slidably arranged in the corresponding second tank body 51.
The hydraulic cylinder 52 controls the piston rod 53 to reciprocate, so that the piston column 54 reciprocates, and one-way liquid discharge is realized through the liquid suction pipe 55 and the liquid discharge pipe 56 which are matched with the first one-way valve 57 and the second one-way valve 58.
A plurality of hollow flame spraying rings 62 are fixedly installed in the third tank body 61, a plurality of pipe orifices of each flow dividing pipe 63 are inserted into the outer side wall of the third tank body 61 and are provided with flow dividing pipes 63, the plurality of pipe orifices of each flow dividing pipe 63 extend into the plurality of hollow flame spraying rings 62, each flow dividing pipe 63 is provided with a gas pipe 64, the upper end of the third tank body 61 is fixedly inserted with a feed hopper 65, an exhaust pipe 66 is inserted above the side wall of the third tank body 61, and the exhaust pipe 66 extends into the feed hopper 65 on the corresponding side.
Powder raw materials enter the third tank body 61 through the feed hopper 65, the gas pipe 64 is connected with external gas equipment, gas enters the hollow flame spraying ring 62 through the gas pipe 64 and the shunt pipe 63 to generate flame, the powder raw materials entering the third tank body 61 fall down to be heated and melted for multiple times by the flame generated by the hollow flame spraying ring 62 and fall to the bottom of the third tank body 61, the powder raw materials are liquefied quickly, high-temperature gas generated by combustion is discharged into the feed hopper 65 through the exhaust pipe 66, the temperature of the powder raw materials of the feed hopper 65 rises to achieve the preheating effect, and the speed of hot melting of the powder raw materials is increased.
The joint of each drain pipe 56 and the first tank body 41 on the corresponding side is located above the first tank body 41, and the joints of the two liquid suction pipes 55, the third tank body 61 and the cooling water tank 7 are located at the lower end of the side wall of the third tank body 61 and the lower end of the side wall of the cooling water tank 7 respectively.
Be equipped with heat dissipation chamber 31 in the lateral wall of collection box 3, all set up a plurality of louvres 32 that communicate heat dissipation chamber 31 on the outer diapire of collection box 3 and the lateral wall, two cooling blower 33 are installed to the symmetry on the lateral wall of collection box 3.
In ball round pin liquid drop raw materials are fallen to the aggregate box 3 after being cooled by the cooling water droplet, outside cold air is discharged after getting into heat dissipation chamber 31 heat transfer from louvre 32 in the work of radiator fan 33, takes away the heat in the aggregate box 3, realizes spherical powder's cooling.
The hollow powder removing cone 8 comprises a cylindrical end 81 and a conical end 82 which are connected with each other, the cylindrical end 81 is inserted on the sealing plate 22 in a sealing and rotating mode, a shaft of the powder removing motor 21 is fixed on the upper surface of the cylindrical end 81, the conical end 82 is located below the sealing plate 22, a plurality of negative pressure holes 83 are formed in one section of side wall, located above the sealing plate 22, of the cylindrical end 81, a plurality of adsorption holes 84 are uniformly formed in the conical surface of the conical end 82, and the bottom of the conical end 82 is located above the two atomizing nozzles 43.
The powder-removing motor 21 drives the hollow powder-removing cone 8 to continuously rotate, the negative pressure vacuum pump 9 extracts gas in the vacuum tank 2 through the pumping pipe 91 to form a vacuum environment, cooling water drops are cooled to the raw material liquid drops, the temperature of the cooling water drops rises, the pressure in the vacuum tank 2 is lower, the boiling point of water is reduced, namely, the water drops subjected to temperature rise can be quickly evaporated to enter the upper part of the sealing plate 22 from the adsorption holes 84 and the negative pressure holes 83, the water drops are extracted and discharged through the pumping pipe 91 by the negative pressure vacuum pump 9, the generated spherical powder is prevented from being wetted to be collected and used, and when the spherical powder is generated, the pumping air flow flowing in a directional mode is received, the spherical powder is adsorbed on the adsorption holes 84 of the cone end 82, the centrifugal force generated by rotation of the hollow powder-removing cone 8 can enable the spherical powder to be thrown out, the spherical powder obtains a large initial speed in the vacuum tank 2, the suction force capable of overcoming the directional air flow of the spherical powder falls into the material collecting box 3, namely, the spherical powder capable of completely collecting spheroidized powder.
When the invention is used, the material collecting box 3 is arranged at the bottom of the vacuum tank 2, the negative pressure vacuum pump 9 and the powder removing motor 21 are opened, so that a vacuum environment is formed in the vacuum tank 2 and the material collecting box 3, gas is introduced into the gas pipe 64 and is ignited at the hollow flame spraying ring 62 to generate flame, then the powder raw material is slowly poured into the material feeding hopper 65, the gas generated by gas combustion is discharged from the gas exhaust pipe 66 and enters the material feeding hopper 65 for preheating, the preheated powder raw material is rapidly melted when passing through the hollow flame spraying ring 62 and falls into the bottom of the third tank body 61, the two hydraulic cylinders 52 drive the piston column 54 to reciprocate through the piston rod 53, then cooling water and liquid raw material can be respectively discharged into the two first tank bodies 41 through the liquid suction pipe 55 and the liquid discharge pipe 56 in cooperation with the first one-way valve 57 and the second one-way valve 58, and the cooling water and the liquid raw materials can be respectively discharged from the first tank 41 through the two pressure pipes 42 and sprayed out of the vacuum tank 2 through the two atomizing nozzles 43 by continuous pressure supply to form liquid drops and water drops, the liquid drops and the water drops tend to be spherical in the vacuum environment, the liquid drops are cooled to be solid after contacting the water drops, the water drops are gasified in the low-pressure vacuum environment after being heated and are pumped out by the negative pressure vacuum pump 9 and the pressure pumping pipe 91 from the adsorption hole 84 and the negative pressure hole 83, directional airflow is generated above the inside of the vacuum tank 2, the spherical powder is upwards moved and absorbed by the adsorption hole 84, the powder removing motor 21 drives the hollow powder removing cone 8 to rotate, the spherical powder is thrown out under the action of centrifugal force, the spherical powder impacts the inner wall of the vacuum tank 2 at a high speed and continuously rebounds downwards until the spherical powder falls into the aggregate box 3, and the heat radiating fan 33 generates directional airflow in the heat radiating cavity 31, so that the spherical powder in the aggregate box 3 is rapidly cooled.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (4)
1. The utility model provides a lithium cell cathode material preparation balling powder device, includes grillage (1), its characterized in that, fixed mounting has vacuum tank (2) on grillage (1), powder motor (21) take off is installed at the top of vacuum tank (2), install closing plate (22) on the interior top lateral wall of vacuum tank (2), sealed rotation is installed hollow powder awl (8) of taking off between two parties on closing plate (22), the spindle of powder motor (21) extends to in vacuum tank (2) and fixes the upper end at hollow powder awl (8) of taking off, fixed mounting has negative pressure vacuum pump (9) on the lateral wall of vacuum tank (2), install on negative pressure vacuum pump (9) pumping tube (91), the one end that negative pressure vacuum pump (9) were kept away from in pumping tube (91) extends to in vacuum tank (2), pumping tube (91) is located the top of closing plate (22) with the junction of vacuum tank (2), the lower extreme of vacuum tank (2) extends to the below of grillage (1) and seals and inserts and installs collection box (3), water tank (6) and cooling tank (4) are installed respectively on two feed tank (1) and cooling tank (4) and cooling tank (5) all include feeding grillage (1), each material conveying tank (5) comprises a second tank body (51) fixed on a plate frame (1), each material tank (6) comprises a third tank body (61) fixed on the plate frame (1), the lower end of the side wall of each second tank body (51) is provided with a liquid suction pipe (55) and a liquid discharge pipe (56), each liquid suction pipe (55) and each liquid discharge pipe (56) are respectively provided with a first one-way valve (57) and a second one-way valve (58), one ends, far away from the two second tank bodies (51), of the two liquid suction pipes (55) respectively extend into a cooling water tank (7) and the third tank body (61), one ends, far away from the two second tank bodies (51), of the two liquid discharge pipes (56) respectively extend into the two first tank bodies (41), the upper end of each first tank body (41) is hermetically inserted with a pressure pipe (42), and one end, far away from the first tank body (41), of each pressure pipe (42) obliquely extends into the vacuum tank (2) and is provided with an atomizing nozzle (43);
a heat dissipation cavity (31) is arranged in the side wall of the material collection box (3), a plurality of heat dissipation holes (32) communicated with the heat dissipation cavity (31) are formed in the outer bottom wall and the outer side wall of the material collection box (3), and two heat dissipation fans (33) are symmetrically arranged on the outer side wall of the material collection box (3);
the hollow powder removing cone (8) comprises a cylindrical end (81) and a conical end (82) which are connected with each other, the cylindrical end (81) is inserted on the sealing plate (22) in a sealing and rotating mode, a crankshaft of the powder removing motor (21) is fixed to the upper surface of the cylindrical end (81), the conical end (82) is located below the sealing plate (22), a plurality of negative pressure holes (83) are formed in one section of side wall, located above the sealing plate (22), of the cylindrical end (81), a plurality of adsorption holes (84) are uniformly formed in the conical surface of the conical end (82), and the bottom of the conical end (82) is located above the two atomizing nozzles (43);
a plurality of hollow flame spraying rings (62) are fixedly mounted in the third tank body (61), a shunt pipe (63) is inserted and mounted on the outer side wall of the third tank body (61), a plurality of pipe orifices of the shunt pipe (63) extend into the hollow flame spraying rings (62), and a gas pipe (64) is mounted on the shunt pipe (63).
2. The device for preparing spheroidized powder of the negative electrode material of the lithium battery according to claim 1, wherein a hydraulic cylinder (52) is fixedly installed at the upper end of each second tank body (51), a piston rod (53) is hermetically and slidably inserted into the lower end of each hydraulic cylinder (52), the lower end of each piston rod (53) extends into the corresponding second tank body (51) and is fixedly installed with a piston column (54), and each piston column (54) is hermetically and slidably installed in the corresponding second tank body (51).
3. The apparatus for preparing spheroidized powder of negative electrode material of lithium battery according to claim 1, wherein a feed hopper (65) is fixedly inserted into the upper end of the third tank (61), an exhaust pipe (66) is inserted above the side wall of the third tank (61), and the exhaust pipe (66) extends into the feed hopper (65) on the corresponding side.
4. The device for preparing spheroidized powder of the negative electrode material of the lithium battery according to claim 3, wherein the joint of each liquid discharge pipe (56) and the first tank body (41) on the corresponding side is positioned above the first tank body (41), and the joints of the two liquid suction pipes (55) and the third tank body (61) and the cooling water tank (7) are respectively positioned at the lower end of the side wall of the third tank body (61) and the lower end of the side wall of the cooling water tank (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210250391.7A CN114618378B (en) | 2022-03-15 | 2022-03-15 | Lithium battery negative electrode material preparation balling powder device |
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| CN202210250391.7A CN114618378B (en) | 2022-03-15 | 2022-03-15 | Lithium battery negative electrode material preparation balling powder device |
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| CN114618378B true CN114618378B (en) | 2022-11-11 |
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| US5756162A (en) * | 1995-08-31 | 1998-05-26 | Samsung Electro-Mechanics Co., Ltd. | Method for manufacturing sendust core powder |
| JP2010018825A (en) * | 2008-07-08 | 2010-01-28 | Japan Atomic Energy Agency | Method and apparatus for producing metal particles and metal particles produced thereby |
| JP2012035235A (en) * | 2010-08-11 | 2012-02-23 | Chugai Ro Co Ltd | Spray device and powder production apparatus |
| US9314800B2 (en) * | 2013-10-11 | 2016-04-19 | Hestia Systems, Llc | Apparatus and process for high throughput powder production |
| CN108655410A (en) * | 2018-06-09 | 2018-10-16 | 安阳新创冶金材料有限公司 | The production technology and its manufacturing equipment of secondary aluminium, diamond flotation ferrosilicon powder |
| CN211588523U (en) * | 2019-12-11 | 2020-09-29 | 湖南天际智慧材料科技有限公司 | Metal powder flame balling equipment |
| CN213671813U (en) * | 2020-09-30 | 2021-07-13 | 宁波中科毕普拉斯新材料科技有限公司 | Preparation device of fine alloy powder |
| CN213317687U (en) * | 2020-10-16 | 2021-06-01 | 天工爱和特钢有限公司 | Powder mould steel is metallurgical production with mixed integrative equipment of powder process |
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