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Metal atomization pulverizing equipment with low satellite sphere content

A technology of atomized powder making and metal, which is applied in the field of metal atomized powder making equipment, can solve the problems of reducing the powder making rate of metal atomized powder, and achieve the effect of avoiding deformation and improving heat exchange rate

Active Publication Date: 2018-02-06
HUNAN TIANJI SMART MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The plasma atomization equipment reduces the number of satellites through the gas purification circulation system, but the content of satellites in the metal atomization powder is still high, and the exhaust port will take away a small amount of metal powder, which reduces the concentration of the metal atomization powder. Milling rate

Method used

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  • Metal atomization pulverizing equipment with low satellite sphere content
  • Metal atomization pulverizing equipment with low satellite sphere content

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] refer to figure 1 : the metal atomization pulverizing equipment that a kind of satellite ball content of present embodiment is low comprises metal feeding mechanism 17, atomizing device 15, atomizing tower 9 and powder separating device; Described metal feeding mechanism 17 and atomizing device 15 connected, the atomizing device 15 is installed on the top of the atomizing tower 9, the bottom of the atomizing tower 9 is provided with a main powder outlet 4, and the main powder outlet 4 communicates with the powder separation device; the side wall of the atomizing tower 9 There are four powder outlet holes 14 on the upper end or the sealing head 93. The powder outlet holes 14 are located at the periphery of the atomized powder outlet coke sink area at the bottom of the atomization device 15. The powder outlet holes 14 pass through the powder outlet pipeline 13 and the powder outlet. Separator connection.

[0027] The powder outlet holes 14 are uniformly distributed on th...

Embodiment 2

[0033] refer to figure 2 : the metal atomization pulverizing equipment that a kind of satellite ball content of present embodiment is low, compares with embodiment 1, there is following difference:

[0034] The number of the powder outlet holes 14 is three.

[0035] The line connecting the center of the powder outlet hole 14 and the center point of the powder outlet focal sink area at the bottom outlet of the atomizer 15 is inclined upwards, forming an angle of 8° with the horizontal direction.

[0036] The height-to-diameter ratio of the cylindrical tower body 92 is 3:1.

[0037] The metal atomization powder making equipment also includes a gas purification and recycling device 18, the gas inlet end of the gas purification and recycling device 18 is connected with the exhaust pipe of the powder separation device, and its gas outlet is connected with the atomization tower 9. The intake pipe 3 communicates.

[0038] When the height-to-diameter ratio of the cylindrical tower...

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Abstract

The invention provides metal atomization pulverizing equipment with low satellite sphere content. The metal atomization pulverizing equipment comprises a metal feeding mechanism, an atomization device, an atomization tower and a powder separation device, wherein the metal feeding mechanism is connected with the atomization device; the atomization device is mounted at the top of the atomization tower; a main powder outlet is formed in the bottom of the atomization tower; the main powder outlet is communicated with the powder separation device; no less than three powder outlet holes are formed in the upper end or a sealing end of a side wall of the atomization tower; the powder outlet holes are formed in the periphery of an atomization powder output and coke collection region at the bottom of the atomization device; the powder outlet holes are connected with the powder separation device through a powder output pipeline. The metal atomization pulverizing equipment with the low satellite sphere content, provided by the invention, is simple in structure and convenient to use; metal atomization powder prepared by the equipment has uniform and small granularity, high spherical degree, good flowability and low satellite sphere content, and performance requirements on various types of metal powder in the market can be met; the equipment is low in manufacturing cost and is convenient forbatch production; urgent requirements on high-performance metal powder at home and abroad can be met.

Description

technical field [0001] The invention relates to an atomized powder making device, in particular to a metal atomized powder making device with low content of satellite balls. Background technique [0002] The gas atomization method is widely used in the preparation of metal or alloy powder. Gas atomization powder making is a powder making method that breaks the metal or alloy liquid flow by high-speed air flow and breaks the liquid flow into tiny droplets. [0003] Yuan Guang. Preparation, characterization and application of spherical metal powder for additive manufacturing[D]. Nanjing University of Science and Technology, 2015. This article discloses the type of nozzle in the gas atomization powder making equipment and the gas atomization pressure in the powder making process And the influence of the properties of the metal itself on the sphericity and satellite powder content of metal atomization powder. The paper discloses that the invention prepared by supersonic pulse i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/08
CPCB22F9/082B22F2009/0844B22F2009/0876B22F2009/088B22F2009/0896
Inventor 王利民陈雄武
Owner HUNAN TIANJI SMART MATERIAL TECH CO LTD
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