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Quadric injection metal atomization device of rotary-forming film

A secondary injection and atomization device technology, applied in the field of metal atomization devices, can solve problems such as the gap in the yield of fine metal powder, and achieve the effect of refining grains

Active Publication Date: 2009-03-04
江苏今越控股集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In recent years, researchers in my country have also conducted a lot of research on gas atomization technology, and have made great progress, but there is still a gap in the yield of fine metal powder (less than 20 μm), and key technologies still need to be imported from abroad.

Method used

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  • Quadric injection metal atomization device of rotary-forming film
  • Quadric injection metal atomization device of rotary-forming film
  • Quadric injection metal atomization device of rotary-forming film

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Embodiment Construction

[0028] A preferred embodiment of the present invention is described as follows in conjunction with accompanying drawing: See figure 1 , the rotary film secondary spray metal atomization device, including a supply part of the input liquid metal jet 3, concentric with the center of the input liquid metal jet 3 or even an annular atomization combined nozzle 1, which is arranged below the annular atomized combined nozzle 1 A rotating impact platform 6; the annular atomizing combined nozzle 1 has an upstream nozzle 4 and a downstream nozzle 5, and the direction of the upstream nozzle 4 is flat and the direction of the jet flow is downward centrifugal, so that the impingement input metal jet 3 impacts the impact platform 6 The formed spinning film is formed to realize film forming and breaking; the jet flow direction of the downstream nozzle 5 is in the downward center direction and forms an effective cross angle with the jet flow direction of the upstream nozzle 4, thereby impacting...

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Abstract

The invention relates to a metal atomization device for the secondary injection of a rotary film, which comprises an input liquid metal jet supplying part; a ring-shaped atomization combined nozzle is formed concentrically with an input liquid metal jet center; a rotating impact platform is arranged at the lower part of the ring-shaped atomization combined nozzle which is provided with an upper nozzle and a lower nozzle; the airstream jetting direction of the upper nozzle is in a downward centrifugal direction to impact the rotary film formed when the impact platform is impacted by the input metal jet, thereby breaking a formed film; the airstream jetting direction of the lower nozzle is in a downward central direction and forms an effective cross angle with the airstream jetting direction of the upper nozzle, thereby impacting the broken liquid metal particles of the formed film and realizing secondary breaking. By adopting the device, better atomization effect and finer metal droplets and powders can be obtained.

Description

Technical field: [0001] The invention relates to a metal atomization device, in particular to a metal atomization device for spinning film secondary injection. Background technique: [0002] Powder metallurgy and spray forming technology have become an important pillar and a very promising industry in the electromechanical manufacturing and processing industry. Powder metallurgy materials are favored by the metal product manufacturing industry due to the advantages of energy saving, material saving, low cost of large-scale production, and no need for machining. Metal injection molding (MIM), thermal spraying (thermalspraying, TS), metal rapid prototyping (metal rapid prototyping, MRP), surface mount technology (surface mount technology, SMT) and other technologies have been vigorously developed. The spray forming technology is an advanced semi-solid metal processing technology developed in the past 20 to 30 years. It can not only overcome the defects caused by the tradition...

Claims

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Application Information

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IPC IPC(8): B22F9/08
Inventor 王志亮
Owner 江苏今越控股集团有限公司
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