Dredging system and dredging method during boiler coal bin shed coal
A technology of boiler coal and coal bunker loosening machine, which is applied in the field of boiler coal bunker, can solve the problems of power plant production impact, furnace extinguishing accident, long time consumption, etc., and achieves the effects of low operation cost, convenient installation and maintenance, and improved operation safety.
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[0012] Such as figure 1 As shown, a dredging system for coal storage in a boiler coal bunker is to install a rapping motor 2 at the unloading port of the coal bunker 1. There are three holes in the middle and lower part of the coal bunker 1, and a gas pipe 10 is installed on the holes. The air pipe 10 is connected to the cylinder 7 via the solenoid valve 6, and the cylinder 7 is connected to the air compressor 8. The air guide pipe 10, the solenoid valve 6, the cylinder 7 and the air compressor 8 form a high-pressure gas impact device. When the coal is blocked, the solenoid valve 6 is opened. Use high-pressure airflow to produce point-like impact on the blocked coal to clear the blocked coal. Install a coal bunker looser 9 on the inner wall of the coal bunker 1, and install a coal-breaking signal sensor 4 on the furnace front belt 3. The coal-breaking signal sensor 4 is connected to the signal input end of the DCS control system 5, and the control end of the DCS control system ...
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