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Water cooling forming apparatus and method for production of copper powder with uniform particles

A technology of uniform particle size and forming device, applied in the field of copper powder production, can solve the problems of uneven particle size and different size of copper powder particles.

Inactive Publication Date: 2020-10-20
铜陵铜基粉体科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because water has the advantage of good cooling effect, circulating water is generally used for atomization cooling in industry. However, in the prior art, copper powder is produced by using high-pressure water to impact the falling copper liquid, and the copper powder is in an indeterminate form during the free fall process. The flow of water, the use of high-pressure water impact pulverization with fixed direction and water pressure is easy to make copper powder particles of different sizes and uneven particle sizes

Method used

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  • Water cooling forming apparatus and method for production of copper powder with uniform particles
  • Water cooling forming apparatus and method for production of copper powder with uniform particles
  • Water cooling forming apparatus and method for production of copper powder with uniform particles

Examples

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Effect test

Embodiment 1

[0038] Such as Figure 1-3 As shown, a water-cooled molding device for production of uniform copper powder includes an atomizing cylinder 1, and the atomizing cylinder 1 includes a liquid storage bin. The liquid pipe 3 is located in the atomization chamber below the liquid storage chamber, and the liquid discharge pipe 3 communicates with the fixed liquid guide cylinder 4 in the atomization chamber. 5. The other end of the catheter tube 5 is provided with a liquid outlet cylinder 6 with the port upward and the port lower than the top of the liquid guide cylinder 4. An expansion grid 601 is arranged at the top of the liquid outlet cylinder 6. The annular water pipe 2 connected inside the tank is connected to the atomized water tray 7 through the inner water pipe 703, and the atomized water tray 7 is coaxially aligned with the liquid outlet cylinder 6 below it.

[0039] When atomizing copper powder, the molten copper is injected into the liquid storage bin from the liquid injec...

Embodiment 2

[0041] Such as Figure 1-4As shown, a water-cooled molding device for producing uniform particles of copper powder includes an atomizing cylinder 1, and the atomizing cylinder 1 includes a liquid storage bin. The liquid pipe 3 is located in the atomization chamber below the liquid storage chamber, and the liquid discharge pipe 3 communicates with the fixed liquid guide cylinder 4 in the atomization chamber. 5. The other end of the catheter tube 5 is provided with a liquid outlet cylinder 6 with the port upward and the port lower than the top of the liquid guide cylinder 4. An expansion grid 601 is arranged at the top of the liquid outlet cylinder 6. The annular water pipe 2 connected to the interior of the chemical chamber, the annular water pipe 2 communicates with the atomized water tray 7 through the internal water pipe 703, the atomized water tray 7 is coaxially aligned with the liquid outlet cylinder 6 below it, and the outer edge of the top of the liquid outlet cylinder ...

Embodiment 3

[0044] Such as Figure 1-7 As shown, a water-cooled molding device for producing uniform particles of copper powder includes an atomizing cylinder 1, and the atomizing cylinder 1 includes a liquid storage bin. The liquid pipe 3 is located in the atomization chamber below the liquid storage chamber, and the liquid discharge pipe 3 communicates with the fixed liquid guide cylinder 4 in the atomization chamber. 5. The other end of the catheter tube 5 is provided with a liquid outlet cylinder 6 with the port upward and the port lower than the top of the liquid guide cylinder 4. An expansion grid 601 is arranged at the top of the liquid outlet cylinder 6. The annular water pipe 2 connected inside the tank, the annular water pipe 2 communicates with the atomized water tray 7 through the internal water pipe 703, the atomized water tray 7 is coaxially aligned with the liquid outlet cylinder 6 below it, and the bottom end of the drain pipe 3 extends to the guide Inside the liquid tube...

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Abstract

The invention provides a water cooling forming apparatus for production of copper powder with uniform particles, and relates to the field of copper powder production. The apparatus comprises an atomization cylinder; the atomization cylinder comprises a liquid storage bin; a liquid discharge pipe communicating with the liquid storage bin is provided at the bottom end of the liquid storage bin; theliquid discharge pipe is positioned in an atomization bin under the liquid storage bin; the liquid discharge pipe communicates with a liquid guide cylinder fixed in the atomization bin; the bottom endof the liquid guide cylinder is closed, and the side surface communicates with multiple liquid guide pipes arranged in an annular array; a liquid outlet cylinder whose port is upwards and lower thanthe top end of the liquid guide cylinder is provided at the other ends of the liquid guide pipes; and an expansion net frame is provided at the top end of the liquid outlet cylinder. In the invention,by adopting the principle of a communicator, copper liquid is fed in the liquid guide cylinder and discharged by the liquid outlet cylinder; and due to a higher surface tension effect among the molecules of the copper liquid, the expansion net frame is provided at the end portion of the liquid outlet cylinder, and more uniform powder particles are formed under the impact of high-pressure water currents, so that the number of larger copper powder particles is reduced, and the product quality is improved.

Description

technical field [0001] The invention relates to the field of copper powder production, in particular to a water-cooled forming device and method for production of copper powder with uniform particles. Background technique [0002] Copper powder is divided into pure copper powder and copper alloy powder. As long as pure copper powder is made of copper as raw material, copper alloy powder is a mixed powder of copper and other metals. For example, copper-tin alloy powder is mainly copper and tin as raw material powder. Copper-zinc alloy powder is mainly made of cylinder and zinc as raw materials. The production of copper powder in the prior art includes electrolysis method, reduction method and atomization method. Now the atomization method is generally used. Copper powder is widely used in metallurgical industry , the production process is that the copper material is smelted into a liquid, and then the powder particles are formed under the action of high-pressure water or air ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/08
CPCB22F9/082B22F2009/0828B22F2009/0892
Inventor 晏超徐修明曹宝莲
Owner 铜陵铜基粉体科技有限公司
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