CN115401207A - Apparatus for producing mixed metal powder - Google Patents
Apparatus for producing mixed metal powder Download PDFInfo
- Publication number
- CN115401207A CN115401207A CN202210871129.4A CN202210871129A CN115401207A CN 115401207 A CN115401207 A CN 115401207A CN 202210871129 A CN202210871129 A CN 202210871129A CN 115401207 A CN115401207 A CN 115401207A
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- China
- Prior art keywords
- metal powder
- cooling
- cooling tank
- pipe
- mixed metal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 title claims abstract description 57
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 57
- 239000000843 powder Substances 0.000 title claims abstract description 50
- 238000001816 cooling Methods 0.000 claims abstract description 73
- 238000001704 evaporation Methods 0.000 claims abstract description 27
- 230000008020 evaporation Effects 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 20
- 239000000112 cooling gas Substances 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/14—Making metallic powder or suspensions thereof using physical processes using electric discharge
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a production device for mixed metal powder, which comprises a high-temperature evaporation furnace, a buffer cooling tank and a collector, wherein the high-temperature evaporation furnace is used for feeding materials through feeders respectively, the high-temperature evaporation furnace comprises cooling pipes respectively, all the cooling pipes are connected with the buffer cooling tank respectively, the buffer cooling tank is connected with the collector, the interior of the collector is divided into an upper part and a lower part, a solid-gas separation filter is arranged between the upper part and the lower part, a connecting pipe is connected with the lower part, the upper part is connected with an exhaust pipe, a circulating fan is arranged on the exhaust pipe, one end of the exhaust pipe is connected with the upper part, the other end of the exhaust pipe is connected with an air return pipe and a cooling air pipe, the air return pipe is connected with the high-temperature evaporation furnace respectively, and the cooling air pipe is connected with the cooling pipe respectively. According to the production device for mixed metal powder, disclosed by the invention, different types of metal powder are mixed by using gas used in the production process of the metal powder, the mixing effect of the metal powder is good, the proportion can be accurately controlled, the production cost is reduced, and the production period is shortened.
Description
Technical Field
The invention belongs to the technical field of metal powder production, and particularly relates to a production device for mixed metal powder.
Background
The superfine metal powder production system composed of the high-temperature evaporation furnace and the collector is mainly used for producing metal powder such as copper powder, iron powder, nickel powder, cobalt powder and the like. The working principle is that the metal material is gasified by plasma arc generated by plasma arc torch in high temperature evaporating furnace, the gasified metal material enters into collector under the transportation of gas, forms ultra-fine powder when cooled in the collector, and obtains metal powder by solid-gas separation of filter in the collector. The existing metal powder production system can be used for producing different types of metal powder according to different properties of different metals by adjusting parameters. However, when the product is mixed metal powder of various metals, the adopted scheme is that the raw materials are mixed according to the proportion before the metal materials are fed, then the raw materials are gasified in a high-temperature evaporation furnace, and the mixed metal powder is collected by a collector. The properties of the metal material, such as melting point and vaporization temperature, are different. Therefore, different metal materials in the crucible are easy to melt and gasify at the same time, and the proportion of the metal powder collected in the collector finally cannot meet the production requirement of the product. The other production mode is that different metal powder production systems are adopted to respectively produce different metal powder, and then the different metal powder is mixed according to the proportion. The mixed metal powder produced in the mode needs to be mixed in special mixing equipment of a stirrer at the later stage, the mixing effect is poor, the mixing consumption production period is long, and the production cost of the mixed metal powder is increased.
Disclosure of Invention
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: mix metal powder's apparatus for producing, including a plurality of high temperature evaporation furnaces, a buffering cooling tank and a collector, the high temperature evaporation furnaces is respectively through the feeder pay-off, and the high temperature evaporation furnaces is respectively including the cooling tube, all the cooling tube is connected the buffering cooling tank respectively, and the buffering cooling tank passes through the connecting pipe and connects the collector, inside upper portion and the lower part of being divided into of collector is equipped with solid gas separation filter between upper portion and the lower part, the lower part is connected to the connecting pipe, upper portion is connected with the exhaust tube, installs circulating fan on the exhaust tube, and upper portion is connected to the one end of exhaust tube, and the other end is connected with muffler and cooling gas pipe, and the high temperature evaporation furnaces is connected respectively to the muffler, and the cooling gas pipe is connected the cooling tube respectively.
The buffer cooling tank is internally and rotatably provided with a rotating shaft which is vertically arranged, a linkage blade wheel and a fan wheel are sequentially arranged on the rotating shaft from top to bottom, the linkage blade wheel and the fan wheel are respectively and fixedly connected with the rotating shaft, the linkage blades are fixedly connected with the linkage blade wheel in an aligned manner at a plurality of circumferences and are fixedly connected with fan blades in an aligned manner at a plurality of circumferences, a discharge port is arranged at the bottom of the buffer cooling tank, a connecting pipe is connected with the discharge port, a plurality of air inlets are arranged around the buffer cooling tank, the air inlets and the linkage blade wheel are positioned at the same height, the air inlets correspond to cooling pipes one by one, the cooling pipes are respectively connected with corresponding air inlets, gas entering the buffer cooling tank from the air inlets acts on the linkage blade to drive the linkage blade wheel, the rotating shaft and the fan wheel to rotate forwards, and negative pressure is formed above the fan wheel after the fan wheel rotates forwards.
The upper end of the buffer cooling tank is cylindrical, the lower end of the buffer cooling tank is funnel-shaped, and the cooling pipes are respectively arranged in a tangent mode with the upper end of the buffer cooling tank.
The linkage blades are all in a straight plate shape, a windward side is vertically arranged on each linkage blade, and one end of each linkage blade is connected with a linkage blade wheel through a plurality of springs.
And the cooling air pipe is provided with a heat exchanger, and the cooling air pipe is cooled through the heat exchanger.
And the air return pipe is provided with a heater.
And the cooling air pipe and the air return pipe are respectively provided with a flow control valve.
The beneficial effects of the invention are: the production device of mixed metal powder of the invention mixes different kinds of metal powder by using gas used in the production process of the metal powder. The mixing effect of the metal powder is good, and the proportion of each component in the mixed metal powder can be accurately controlled. The production cost of the mixed metal powder is reduced, and the production period of the mixed metal powder is shortened.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, the mixed metal powder production apparatus includes a plurality of high temperature evaporation furnaces 1, a buffer cooling tank 2 and a collector 3, wherein the high temperature evaporation furnaces 1 respectively feed materials through feeders 4, the high temperature evaporation furnaces 1 respectively include cooling pipes 5, all the cooling pipes 5 are respectively connected to the buffer cooling tank 2, the buffer cooling tank 2 is connected to the collector 3 through a connecting pipe 6, the collector 3 is internally divided into an upper portion 7 and a lower portion 8, a solid-gas separation filter 9 is arranged between the upper portion 7 and the lower portion 8, the connecting pipe 6 is connected to the lower portion 8, the upper portion 7 is connected to an air exhaust pipe 10, a circulating fan 11 is installed on the air exhaust pipe 10, one end of the air exhaust pipe 10 is connected to the upper portion 7, the other end is connected to an air return pipe 12 and a cooling air pipe 13, the air return pipe 12 is respectively connected to the high temperature evaporation furnaces 1, and the cooling air pipe 13 is respectively connected to the cooling pipe 5. Different metal raw materials are subjected to high-temperature evaporation in different high-temperature evaporation furnaces 1, formed gaseous metal is cooled and solidified into metal powder after entering a corresponding cooling pipe 5 and a buffer cooling tank 2, and different metal powder is mixed and cooled in the buffer cooling tank 2 and finally enters a collector 3 for solid-gas separation and collection. The gas flow in the cooling pipe 5 and the power of the high-temperature evaporation furnace 1 are controlled well, and the proportion of the mixed metal powder can be accurately controlled. The metal powder is cooled in the buffer cooling tank 2 and mixed by the gas flowing at high speed, so that the mixing effect of the metal powder is improved.
The buffer cooling tank 2 is rotatably provided with a vertically arranged rotating shaft 14, the rotating shaft 14 is sequentially provided with a linkage vane wheel 15 and a fan impeller 16 from top to bottom, the linkage vane wheel 15 and the fan impeller 16 are respectively and fixedly connected with the rotating shaft 14, the linkage vane wheel 15 is fixedly connected with a plurality of linkage vanes 17 which are arranged in a circumferential array, the fan impeller 16 is fixedly connected with a plurality of fan blades 18 which are arranged in a circumferential array, the bottom of the buffer cooling tank 2 is provided with a discharge hole 19, the connecting pipe 6 is connected with the discharge hole 19, the periphery of the buffer cooling tank 2 is provided with a plurality of air inlets 20, the air inlets 20 and the linkage vane wheel 15 are positioned at the same height, the air inlets 20 and the cooling pipes 5 are in one-to-one correspondence, the cooling pipes 5 are respectively connected with corresponding air inlets 20, and air entering the buffer cooling tank 2 from the air inlets 20 acts on the linkage vanes 17 to drive the linkage vane wheel 15, the rotating shaft 14 and the fan impeller 16 to rotate in the forward direction, and the fan impeller 16 rotates in the forward direction to form negative pressure above the fan impeller 16. The gas entering the buffer cooling tank 2 from the air inlet 20 acts on the linkage vane 17 to drive the linkage vane wheel 15 to rotate. The linked impeller 15 rotates to rotate the rotating shaft 14, and further, the impeller 16. By means of the rotation of the linkage vane wheel 15 and the rotation of the fan wheel 16, the metal powder entering the buffer cooling tank 2 from different air inlets 20 is uniformly mixed. During the mixing process, the rotation of the fan wheel 16 is utilized to improve the flow potential of the mixed metal powder and gas, and ensure that the metal powder can be carried by the gas and conveyed into the collector 3.
The upper end of buffer cooling tank 2 is the cylinder, and the lower extreme of buffer cooling tank 2 is the infundibulate, the terminal tangent setting with the upper end of buffer cooling tank 2 respectively of cooling tube 5, and linkage impeller 15 and impeller 16's rotation efficiency is higher like this. The metal powder mixing efficiency is better.
Linkage blade 17 all is the straight plate form, is equipped with the windward side of vertical setting on the linkage blade 17, and linkage blade wheel 15 is connected through a plurality of springs 21 to the one end of linkage blade 17, and gas gets into buffering cooling tank 2 by air intake 20 and can openly act on the windward side of rotating linkage blade 17 to air intake 20 the place ahead. The linkage blades 17 are elastically connected with the linkage blade wheel 15, and the linkage blades 17 rotate after the air blows on the windward side of the linkage blades 17. The linkage vane 17 which is elastically connected can accumulate force through the spring 21 after being stressed, and the accumulated force is released in the rotating process and stored in the linkage vane wheel 15 to rotate. When the wind power formed by the gas is small, the linkage blade 17 can be pushed to move, and the condition that when the linkage blade 17 just stops at the air inlet 20, strong wind power is needed to blow the linkage blade wheel 15 due to the stress angle problem is avoided.
The cooling air pipe 13 is provided with a heat exchanger 22, and the cooling air pipe 13 is cooled by the heat exchanger 22. The gas in the cooling gas pipe 13 is cooled to a certain temperature and then enters the cooling pipe 5, so that the metal is cooled and solidified to form granular metal powder in the process of conveying the gaseous metal.
The air return pipe 12 is provided with a heater 23. The gas entering the high-temperature evaporation furnace 1 is preheated by the heater 23, so that the temperature in the high-temperature evaporation furnace 1 is prevented from being influenced by too low transition of the gas temperature, and the gaseous metal is prevented from being solidified at the joint of the gas return pipe 12 and the high-temperature evaporation furnace 1.
The cooling air pipe 13 and the air return pipe 12 are respectively provided with a flow control valve 24. The flow rate of the gaseous metal in different high-temperature evaporation furnaces 1 entering the buffer cooling tank 2 can be controlled through the flow control valve 24, so that mixed metal powder with a specific ratio is formed.
It should be noted that the technical features of the flow control valve 24, the heater 23, the heat exchanger 22, the high-temperature evaporation furnace 1, the collector 3, the circulating fan 11, etc. related to the present patent application should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be selected conventionally in the field, and should not be regarded as the invention point of the present patent, and the present patent is not further specifically described in detail.
Having described in detail preferred embodiments of the present invention, it will be appreciated that modifications and variations can be devised by those skilled in the art without inventive faculty, and it is intended that all technical solutions that can be derived by a person skilled in the art from the concepts of the present invention by means of logic analysis, reasoning and limited experimentation based on the prior art will fall within the scope of protection defined by the claims.
Claims (7)
1. Mix metal powder's apparatus for producing, its characterized in that, including a plurality of high temperature evaporation furnaces, a buffering cooling tank and a collector, the high temperature evaporation furnaces is respectively through the feeder pay-off, and the high temperature evaporation furnaces is respectively including the cooling tube, all the cooling tube is connected the buffering cooling tank respectively, and the buffering cooling tank passes through the connecting pipe and connects the collector, the collector is inside to be divided into upper portion and lower part, is equipped with solid-gas separation filter between upper portion and the lower part, the lower part is connected to the connecting pipe, upper portion is connected with the exhaust tube, installs circulating fan on the exhaust tube, and upper portion is connected to the one end of exhaust tube, and the other end is connected with muffler and cooling gas pipe, and the high temperature evaporation furnaces is connected respectively to the muffler, and cooling gas pipe connects the cooling tube respectively.
2. The apparatus for producing mixed metal powder as defined in claim 1, wherein the buffer cooling tank is rotatably installed with a vertically disposed rotating shaft, the rotating shaft is sequentially installed with a linked blade wheel and a fan wheel from top to bottom, the linked blade wheel and the fan wheel are respectively and fixedly connected with the rotating shaft, the linked blade wheel is fixedly connected with a plurality of linked blades arranged in circumferential alignment, the fan wheel is fixedly connected with a plurality of fan blades arranged in circumferential alignment, the bottom of the buffer cooling tank is provided with a discharge port, the connecting pipe is connected with the discharge port, the periphery of the buffer cooling tank is provided with a plurality of air inlets, the air inlets and the linked blade wheel are located at the same height, the air inlets and the cooling pipes are in one-to-one correspondence, the cooling pipes are respectively connected with corresponding air inlets, the air entering the buffer cooling tank from the air inlets acts on the linked blade wheel to drive the linked blade wheel, the rotating shaft and the fan wheel to rotate in forward direction, and the fan wheel rotates in forward direction to form negative pressure above the fan wheel.
3. The mixed metal powder production apparatus as claimed in claim 2, wherein the buffer cooling tank has a cylindrical upper end and a funnel-shaped lower end, and the cooling pipes are respectively provided tangentially to the upper end of the buffer cooling tank.
4. A mixed metal powder producing apparatus as set forth in claim 3, wherein the linking blades are each in a straight plate shape, the linking blades are provided with a vertically disposed windward side, and one ends of the linking blades are connected to the linking blade wheel through a plurality of springs.
5. A mixed metal powder producing apparatus as set forth in claim 1, wherein said cooling gas pipe is provided with a heat exchanger, and the cooling gas pipe is cooled by the heat exchanger.
6. An apparatus for producing a mixed metal powder as claimed in claim 5, wherein a heater is mounted on the muffler.
7. A mixed metal powder production apparatus as claimed in claim 6, wherein the cooling gas pipe and the gas return pipe are provided with flow control valves, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210871129.4A CN115401207B (en) | 2022-07-23 | Production device for mixed metal powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210871129.4A CN115401207B (en) | 2022-07-23 | Production device for mixed metal powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115401207A true CN115401207A (en) | 2022-11-29 |
| CN115401207B CN115401207B (en) | 2024-05-14 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07224301A (en) * | 1994-02-14 | 1995-08-22 | Toshiba Corp | Production of mechanically alloyed powder and mechanically alloying device |
| CN1406693A (en) * | 2001-09-04 | 2003-04-02 | 深圳华科纳米技术开发有限公司 | Preparation for fine-superfines under normal pressure and its apparatus |
| JP2009013456A (en) * | 2007-07-03 | 2009-01-22 | Toho Titanium Co Ltd | Nickel alloy powder production method |
| CN102238999A (en) * | 2008-11-27 | 2011-11-09 | 法国原子能及替代能源委员会 | Device and method for depositing a powder mixture for forming an object with composition gradients |
| CN102950290A (en) * | 2012-10-15 | 2013-03-06 | 宁波广博纳米新材料股份有限公司 | Method for producing nanoscale nickel-manganese alloy powder |
| CN105965033A (en) * | 2016-05-23 | 2016-09-28 | 江油核宝纳米材料有限公司 | Preparation method for micron-size carbonyl iron and nickel alloy powder |
| CN107486560A (en) * | 2017-09-04 | 2017-12-19 | 北京金航智造科技有限公司 | A kind of method that globular metallic powder is prepared in the case where malleation cools down atmosphere |
| CN109719303A (en) * | 2018-12-28 | 2019-05-07 | 江苏博迁新材料股份有限公司 | A kind of submicron order iron-nickel alloy powder producing method of soft magnetic materials |
| CN109967755A (en) * | 2019-05-14 | 2019-07-05 | 湖州恒合科技有限公司 | A kind of spherical shape fine metal powder production system and its method |
| CN112915919A (en) * | 2021-01-25 | 2021-06-08 | 钟笔 | Ultrafine powder particle aggregation cooling tank type structure and ultrafine powder particle forming method |
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07224301A (en) * | 1994-02-14 | 1995-08-22 | Toshiba Corp | Production of mechanically alloyed powder and mechanically alloying device |
| CN1406693A (en) * | 2001-09-04 | 2003-04-02 | 深圳华科纳米技术开发有限公司 | Preparation for fine-superfines under normal pressure and its apparatus |
| JP2009013456A (en) * | 2007-07-03 | 2009-01-22 | Toho Titanium Co Ltd | Nickel alloy powder production method |
| CN102238999A (en) * | 2008-11-27 | 2011-11-09 | 法国原子能及替代能源委员会 | Device and method for depositing a powder mixture for forming an object with composition gradients |
| CN102950290A (en) * | 2012-10-15 | 2013-03-06 | 宁波广博纳米新材料股份有限公司 | Method for producing nanoscale nickel-manganese alloy powder |
| CN105965033A (en) * | 2016-05-23 | 2016-09-28 | 江油核宝纳米材料有限公司 | Preparation method for micron-size carbonyl iron and nickel alloy powder |
| CN107486560A (en) * | 2017-09-04 | 2017-12-19 | 北京金航智造科技有限公司 | A kind of method that globular metallic powder is prepared in the case where malleation cools down atmosphere |
| CN109719303A (en) * | 2018-12-28 | 2019-05-07 | 江苏博迁新材料股份有限公司 | A kind of submicron order iron-nickel alloy powder producing method of soft magnetic materials |
| CN109967755A (en) * | 2019-05-14 | 2019-07-05 | 湖州恒合科技有限公司 | A kind of spherical shape fine metal powder production system and its method |
| CN112915919A (en) * | 2021-01-25 | 2021-06-08 | 钟笔 | Ultrafine powder particle aggregation cooling tank type structure and ultrafine powder particle forming method |
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