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Systems for handling oily metal powders

A metal powder and waste liquid treatment technology, which is applied in the field of oily metal powder, can solve the problems that affect the impurity content of the grinding metal powder, fail to reach the standard amount of impurities, and the production process is not applicable, so as to reduce manpower and save manpower Material resources, improving the effect of waste liquid treatment system

Active Publication Date: 2017-08-08
大连远东新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above two methods are time-consuming and labor-intensive, with high work intensity, low degree of automation, and extremely low screening rate.
The third is magnetic separation technology: when directly separated by a magnetic separator, this part of the pelletized powder is separated due to the appearance of magnetic pellets, which affects the impurity content of the ground metal powder, which is far below the impurity content. standard amount of
If these liquids are not treated, they can no longer be used in production and can only be discharged. If they are discharged, they will pollute the environment. This is not allowed. However, methods such as adsorption, precipitation, neutralization and diatomite treatment Most of them are disposable and cannot be used repeatedly, and are not applicable to this production process

Method used

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  • Systems for handling oily metal powders
  • Systems for handling oily metal powders
  • Systems for handling oily metal powders

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A system for processing oily metal powder, which includes a deoiling device, a corundum sand removal device and a waste liquid treatment device; the deoiling device includes an automatic feeding centrifuge 1 and an ultrasonic stirring tank 2; the corundum sand removal device includes a wet rotary screen 4 And a full countercurrent magnetic separator 5; the waste liquid treatment device is a ceramic membrane filter device 6.

[0041] Automatic feeding centrifuge, including centrifuge shell, feeding pipe 1.12, centrifuge slurry pump 1.5, centrifuge stirring paddle 1.6, slurry mixing tank 1.8 and speed regulating motor 1.7, one end of feeding pipe 1.12 extends into the centrifuge In the casing, the other end of the feed pipe 1.12 is connected to the centrifuge slurry pump 1.5, the centrifuge slurry pump 1.5 is connected to the slurry tank 1.8, the centrifuge stirring paddle 1.6 is located in the slurry mixing tank 1.8, and the upper end of the centrifuge stirring paddle 1.6...

Embodiment 2

[0047] A system for processing oily metal powder, which includes a deoiling device, a corundum sand removal device and a waste liquid treatment device; the deoiling device includes an automatic feeding centrifuge 1 and an ultrasonic stirring tank 2; the corundum sand removal device includes a wet rotary screen 4 And the full countercurrent magnetic separator 5 (the wet rotary screen 4 and the full countercurrent magnetic separator 5 are integrated, also known as the screening magnetic separation separator); the waste liquid treatment device is the ceramic membrane filter device 6.

[0048] Automatic feeding centrifuge, including centrifuge shell, feeding pipe 1.12, centrifuge slurry pump 1.5, centrifuge stirring paddle 1.6, slurry mixing tank 1.8 and speed regulating motor 1.7, one end of feeding pipe 1.12 extends into the centrifuge In the casing, the other end of the feed pipe 1.12 is connected to the centrifuge slurry pump 1.5, the centrifuge slurry pump 1.5 is connected to ...

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Abstract

The invention relates to an oil-containing metal powder treatment system. The oil-containing metal powder treatment system comprises an oil removal device, an emery removal device and a liquid waste treatment device, wherein the oil removal device comprises an automatic feeding centrifugal machine and an ultrasonic wave stirring vessel; the emery removal device comprises a wet-type rotary screen and a complete counter-current magnetic separator; and the liquid waste treatment device is a ceramic membrane filtration device. The oil-containing metal powder treatment system has a good oil-containing metal powder separation effect; and after oil-containing metal powder is treated, the content of oil in the treated oil-containing metal powder is reduced to 0.5%, and the content of impurities such as emery in the treated oil-containing metal powder is reduced to 0.5%. The oil-containing metal powder treatment system is high in degree of automation, low in cost and capable of reducing environmental pollution and causes resources to be recycled.

Description

technical field [0001] The invention belongs to the technical field of processing oil-containing metal powder, and in particular relates to a system for processing oil-containing metal powder. Background technique [0002] Metal powder often contains impurities such as oil and corundum sand. If not treated, it will affect the subsequent process and reduce the quality of metal powder. In the process of processing metal powder, some waste liquid will be generated, which needs to be treated, otherwise it will pollute the environment. [0003] The existing methods for separating metal powder and oil are as follows: the first method is to manually feed the centrifuge shell, the oil passes through the gap of the filter bag and the small hole on the drum wall to the cavity of the shell, and the oil is discharged from the drain hole. discharge. The second method is the heating method, that is, put the metal powder and oil in a large pot and add water, and heat it with electricity ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F9/10
CPCB22F9/10
Inventor 齐树民刘海强
Owner 大连远东新材料科技有限公司
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