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Method and device for manufacturing metal powder

A technology of metal powder and manufacturing method, which is applied in the field of metal powder manufacturing and devices, and can solve problems such as complicated procedures, high cost, and complicated manufacturing process of metal abrasive materials

Inactive Publication Date: 2015-06-10
METAL INDS RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The focus of this technology is to obtain a reliable metal particle size, but for the metal powder processing method after solidification, it must still be in accordance with the following image 3 As shown in the traditional process, the guide program is complicated and the cost is increased
[0006] Obviously, the above-mentioned prior art cannot solve the current metal powder manufacturing problem of grinding media, so the manufacturing process of metal grinding materials is complicated and the problem of high cost cannot be solved, and other improvement methods need to be provided

Method used

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  • Method and device for manufacturing metal powder
  • Method and device for manufacturing metal powder
  • Method and device for manufacturing metal powder

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Embodiment Construction

[0037] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0038] Such as figure 1 As shown, the manufacturing method of the metal powder provided by the present invention is mainly the method of manufacturing iron-based metal droplets and rapid heat treatment. The equipment for completing the method mainly includes a supply part 2, and the iron-based metal melt 4 is housed in the supply part 2, and the carbon content of the iron-based metal melt 4 is 0.02wt.%~0.5wt.%. 2 is connected with a receiving portion 8 below, and the receiving portion 8 is used to introduce the molten iron-based metal 4. The outlet end of the molten iron-based metal 4 of the supply part 2 is provided with an atomizing device 5 , and the atomizing device 5 has a nozzle to provide an inert gas 51 to blow the molten iron-based metal 4 into several...

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Abstract

The invention discloses a method and a device for manufacturing metal powders. A Fe-based metallic melted liquid is blown into small metal liquid drops by an atomization device, and then quenching treatment is performed on the metal liquid drops by a high-voltage cooling mechanism spraying a cooling fluid. Through the cooling fluid, temperature of the metal liquid drops is rapidly reduced, and the metal liquid drops are solidified into steel ball shaped metal powders. Through the properties of the cooling fluid of the high-voltage cooling mechanism, cooling speed is changed, and changing the surfaces and core strength of the metal powders can be selected.

Description

Technical field: [0001] The invention relates to a method and device for manufacturing metal powder. The metal powder can be quenched and hardened according to the requirements of use, the hardness required for the surface of the metal powder and the toughness required for the core can be adjusted, the existing process steps and process costs can be reduced, and the process can be simplified to improve production. efficiency. Background technique: [0002] Metal powder is widely used in sandblasting and grinding industries, such as metallurgy, building materials, chemical industry and other powder quenching grinding media. The metal powder process of existing grinding media such as image 3 As shown, first the molten metal liquid 91 is blown into fine metal spheres 9 through the high-pressure jet 93 of the nozzle 92 of the atomizing device, and the formed metal spheres 9 are artificially cooled by the cooling device 94 and then solidified. The solidified metal balls 9 are r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/08
Inventor 张家豪林芳州李宗翰黄金川
Owner METAL INDS RES & DEV CENT
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