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Vibrating screen for wet sieving

A technology of wet sieving and vibrating sieve, which is applied in the fields of filtration, solid separation, chemical instruments and methods, etc. It can solve problems such as easy blockage of meshes, and achieve the effect of improving utilization rate and increasing contact area

Pending Publication Date: 2017-09-22
青海万加环保新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One object of the present invention is to solve the phenomenon that the vibrating screen is easy to block the mesh during use, improve the solid-liquid ratio of the filtered powder, and improve the powder production efficiency

Method used

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  • Vibrating screen for wet sieving

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] The slurry with a powder solid-liquid ratio of 10% enters the first layer of the vibrating screen from the feed port. The first layer of the vibrating screen is equipped with a feeder device. Distributed on the sieve of the first layer, and through the continuous material separation process, the materials gathered together are stirred to increase the contact area between the powder particles and the sieve; after the powder particles are sieved on the first layer, it is suitable for Conditional small particles enter the second layer through the filter screen of the first layer, and the reversing flushing device installed on the second layer adjusts the steering angle of 0±45° according to the layer height of the vibrating screen. The flushing water pressure is 0.1mpa, and the turning angle is ±30° to backwash the first layer of filter, and the particles blocked in the mesh are backwashed out of the mesh to improve the pass rate of the first layer of filter; because the fl...

Embodiment 2

[0064] The slurry with a powder solid-liquid ratio of 20% enters the first layer of the vibrating screen from the feed port. The first layer of the vibrating screen is equipped with a feeder device. Distributed on the screen of the first layer, and through the continuous material distribution process, the collected materials are stirred to increase the contact area between the powder particles and the screen; after the powder particles are screened on the first layer, Small particles with suitable conditions enter the second layer through the first layer of filter screen, and the reversing flushing device installed on the second layer adjusts the steering angle 0±45° according to the layer height of the vibrating screen, and the reversing flushing device operates at 1 time / min , The flushing water pressure is 0.15mpa, and the angle of rotation is ±40° to backwash the first layer of filter, and the particles blocked in the mesh are backwashed out of the mesh to improve the pass ...

Embodiment 3

[0066] The slurry with a powder solid-liquid ratio of 35% enters the first layer of the vibrating screen from the feed port. The first layer of the vibrating screen is equipped with a feeder device. Distributed on the screen of the first layer, and through the continuous material distribution process, the collected materials are stirred to increase the contact area between the powder particles and the screen; after the powder particles are screened on the first layer, Small particles with suitable conditions enter the second layer through the first layer of filter screen, and the reversing flushing device installed on the second layer adjusts the steering angle 0±45° according to the layer height of the vibrating screen, and the reversing flushing device operates at 2 times / min , The flushing water pressure is 0.2mpa, and the turning angle is ±45° to backwash the first layer of filter, and the particles blocked in the mesh are backwashed out of the mesh to improve the pass rate...

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Abstract

The invention discloses a vibrating screen for wet sieving. The vibrating screen comprises a plurality of layers of screen cloths, a distributor and a material outlet, wherein the screen cloths are sequentially and vertically arranged; the distributor is arranged above the first layer of screen cloth; a stirring device is arranged above the distributor; the material outlet is arranged below the last layer of screen cloth; at least one layer of screen cloth in the screen cloths is provided with a flushing device in parallel; the flushing device is connected with a flushing pipeline; and flushing sprayers are arranged on the flushing device. The phenomenon that meshes of a vibrating screen are prone to being blocked in the use process can be avoided, the solid-liquid ratio of filtered powder is increased, and the production efficiency of the powder is improved.

Description

technical field [0001] The invention belongs to the field of powder processing machinery, and in particular relates to a vibrating screen for wet screening. Background technique [0002] With the continuous development of the powder industry and the increase of application fields, the requirements for powder in the industry are becoming more and more stringent, and the particle size distribution as a representative parameter of particles is also the first to bear the brunt, so the powder should be sieved. At present, the commonly used sieving methods for powder in the industry can be divided into dry method and wet method, while dry sieving has a narrow range of use and less output; wet sieving can be applied to various industries and has a large production output , easy to industrial application, which is representative of the vibrating screen. [0003] At present, the vibrating screens used in the industry can be divided into rotary vibrating screens, ultrasonic vibrating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B1/28B07B1/46B07B1/55
CPCB07B1/28B07B1/46B07B1/55
Inventor 李源任红波刘冠华刘江华
Owner 青海万加环保新材料有限公司
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