Atomizing pulverization system combined with induction heating and radio frequency plasma

A radio frequency plasma and atomization powder making technology, applied in the field of powder metallurgy, can solve the problems of difficult to obtain high-quality spherical powder, achieve the effect of small particle size, increase heat absorption rate, and simple operation

Pending Publication Date: 2018-05-15
北京金物科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to provide an induction heating and radio frequency plasma combined atomization pulverization system, which is used to solve the problem that the existing hi

Method used

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  • Atomizing pulverization system combined with induction heating and radio frequency plasma

Examples

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Example Embodiment

[0026] Example 1

[0027] Such as figure 1 As shown, an induction heating and radio frequency plasma combined atomization powder making system includes a high frequency induction heating device 1, a radio frequency induction plasma device 2, a vacuum device 3, an atomization collection device 4, a separation dust removal device 5 and a wire conveying device Device 6, the high-frequency induction heating device 1 includes a high-frequency induction heating power supply 18, a high-frequency induction coil 19, an insulating packaging tube 20 and a packaging structure 21, the power of the high-frequency induction heating power supply 18 is 30KW, and the oscillation frequency is 100~300KHz, the high frequency induction coil 19 has 6 turns and a diameter of 10mm. The hollow copper tube is made, the high-frequency induction coil 19 is inserted into the insulating packaging tube 20, the insulating packaging tube 20 is made of quartz glass material, and the packaging structure 21 combine...

Example Embodiment

[0029] Example 2

[0030] Such as figure 1 As shown, an induction heating and radio frequency plasma combined atomization powder making system includes a high frequency induction heating device 1, a radio frequency induction plasma device 2, a vacuum device 3, an atomization collection device 4, a separation dust removal device 5 and a wire conveying device Device 6, the high-frequency induction heating device 1 includes a high-frequency induction heating power supply 18, a high-frequency induction coil 19, an insulating packaging tube 20 and a packaging structure 21, the power of the high-frequency induction heating power supply 18 is 60KW, and the oscillation frequency is 200~400KHz, the high-frequency induction coil 19 has 8 turns and a diameter of 12mm. The hollow copper tube is made, the high-frequency induction coil 19 is inserted into the insulating packaging tube 20, the insulating packaging tube 20 is made of quartz glass material, and the packaging structure 21 combine...

Example Embodiment

[0032] Example 3

[0033] Such as figure 1 As shown, an induction heating and radio frequency plasma combined atomization powder making system includes a high frequency induction heating device 1, a radio frequency induction plasma device 2, a vacuum device 3, an atomization collection device 4, a separation dust removal device 5 and a wire conveying device Device 6, the high-frequency induction heating device 1 includes a high-frequency induction heating power supply 18, a high-frequency induction coil 19, an insulating packaging tube 20 and a packaging structure 21, the power of the high-frequency induction heating power supply 18 is 40Kw, and the oscillation frequency is 100~300KHz, the high-frequency induction coil 19 has 8 turns and a diameter of 10mm. The hollow copper tube is made, the high-frequency induction coil 19 is inserted into the insulating packaging tube 20, the insulating packaging tube 20 is made of quartz glass material, and the packaging structure 21 combine...

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Abstract

The invention relates to an atomizing pulverization system combined with induction heating and radio frequency plasma. The atomizing pulverization system comprises a high frequency induction heating device, a radio frequency induction plasma device, a vacuum device, an atomizing collection device, a separation and dust removal device and a wire conveyor device. The atomizing pulverization system is rational in design and easy in operation; by adopting the technology that high the frequency induction heating is combined with the radio frequency plasma melting and gas atomization, the whole heating, melting and gas atomization process is subjected to vacuum pumping by the system, and then inert gas is filled for protection; no pollution or inclusions are generated; by combining the high frequency induction heating device used for preheating wires with the radio frequency induction plasma device used for melting the wires, the heat absorption rate in the preheating and melting process isimproved, and the superheat degree of liquid flow or drop is improved, so that high-quality spherical powder, with high sphericity degree and spheroidization rate and small particle size and without hollow spheres, can be obtained after gas atomization; and a high-pressure atomizing nozzle is adopted in the atomization process, and the output rate of metal powder within unit time is improved.

Description

technical field [0001] The invention relates to the technical field of powder metallurgy, in particular to an atomization pulverization system combined with induction heating and radio frequency plasma. Background technique [0002] With the vigorous development of additive manufacturing (3D printing), injection molding, thermal spraying and other technologies, high-quality spherical refractory metal powders and active metal powders are important raw materials necessary for these fields, spherical refractory and active metal powders Production plays an important role in the entire product production process. For refractory metals with higher melting points such as tungsten, molybdenum, tantalum, and niobium, as well as active and high-melting metals or alloys such as titanium and titanium alloys, it is difficult to use conventional smelting and Aerosolization method to obtain high-quality spherical powder. [0003] At present, the technologies that can produce high-quality ...

Claims

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Application Information

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IPC IPC(8): B22F9/14B33Y70/00
CPCB22F9/14B33Y70/00B22F2999/00B22F2202/13B22F2202/07
Inventor 王海英龙海明郭志猛郝俊杰李沛
Owner 北京金物科技发展有限公司
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