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Pulverized coal screening device

A screening device and screening technology are applied in the direction of solid separation, electrostatic effect separation, and separation of solids from solids with airflow, which can solve the problems that the screening efficiency needs to be improved.

Inactive Publication Date: 2016-06-29
WUHAN DESIGN & RES INST OF CHINA COALTECH & ENG GROUP
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AI Technical Summary

Problems solved by technology

Although the technology of this kind of screening device is mature, the screening efficiency needs to be improved

Method used

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  • Pulverized coal screening device

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Embodiment Construction

[0005] refer to figure 1 It is as follows: a pulverized coal screening device, which is connected with the screening chamber 6 by the blower 4 through the screening chamber check valve 5, and the upper side of the screening chamber 6 is equipped with a feeding port 3, and the upper feeding port of the screening chamber 6 3 The upper part is equipped with a screen 2, and the lower part of the screening bin 6 is equipped with a slag discharge port 7. The screening bin 6 is connected to the recycling bin 11 through the recovery bin check valve 1, and the recycling bin 11 is equipped with more than one set of electrostatic adsorption devices 8 , the electrostatic adsorption device 8 is connected with the electrostatic recovery control system 14 through the control cable 13, the recovery bin 11 is connected with a diversion fan 12 through the pulverized coal isolation net 10, and the bottom of the recovery bin is equipped with a feeding port 9. When in use, the coal powder to be sc...

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Abstract

The invention discloses a pulverized coal screening device. The pulverized coal screening device is characterized in that an air blower is connected with a screening bin through a screening bin air check valve; a material feeding opening is arranged on the upper part of the side of the screening bin; a screening net is arranged above the material feeding opening on the screening bin; a slag discharging opening is arranged on the lower part of the screening bin; the screening bin is connected with a recycling bin through a recycling bin air check valve; more than one static adsorption device is arranged in the recycling bin; the static adsorption devices are connected with a static recycling control system through a control cable; a flow guiding fan is connected onto the recycling bin through a pulverized coal separating net; and a material receiving opening is arranged on the lower part of the recycling bin.

Description

technical field [0001] The invention relates to a pulverized coal screening device, more precisely a novel pulverized coal screening device which utilizes wind energy to efficiently screen pulverized coal. Background technique [0002] At present, the traditional pulverized coal screening device mostly uses a vibrating machine to drive the screen to move up and down or horizontally, so as to screen and classify the pulverized coal. Although the technology of this kind of screening device is mature, the screening efficiency needs to be improved. In order to solve the problem of efficient and fast screening of coal powder, the invention uses the blower to generate wind energy to drive the coal powder to move at a high speed, and uses a multi-stage electrostatic adsorption device to quickly capture the screened qualified coal powder particles, so as to achieve rapid and efficient screening of coal powder Function. Contents of the invention [0003] A pulverized coal screeni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B4/08B03C3/017
CPCB07B4/08B03C3/017
Inventor 梁霏飞吴崇
Owner WUHAN DESIGN & RES INST OF CHINA COALTECH & ENG GROUP
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