Intelligent dust removal device for coal conveying system
A technology of coal conveying system and dust removal device, which is applied in the direction of transportation and packaging, conveyor, loading/unloading, etc., can solve the problems of difficult maintenance, environmental pollution, coal waste, etc., to reduce environmental pollution, reduce coal dust concentration, increase The effect of economic benefits
Active Publication Date: 2020-11-13
SHANGHAI QIYAO HEAVY IND CO LTD
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Problems solved by technology
The coal dust not only seriously pollutes the environment, endangers the health of operating personnel, but also causes a lot of waste of coal. Once the coal dust enters the electrical components, it will easily cause system failure, which will affect the safe production of the power plant.
Although the traditional bag-type dust removal device can play a certain role in dust removal, it has disadvantages such as low dust removal efficiency, easy blockage of the bag, frequent failures, and difficult maintenance.
Method used
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[0012] The present invention will be further described below in conjunction with the accompanying drawings.
[0013] Please refer to figure 1 and figure 2 . figure 1 The black arrows in represent the movement direction of coal material, and the hollow arrows represent the movement direction of coal dust.
[0014] Such as figure 1 and figure 2 As shown, the intelligent dust removal device of the coal conveying system according to an embodiment of the present invention includes a dust collection hood 1, a coal dust concentration sensor 21, a humidity sensor 22, a water mist nozzle 31, a water mist nozzle switch control circuit 32, a negative pressure dust suction Device 41 , negative pressure vacuum device switch control circuit 42 and controller 5 .
[0015] The coal drop pipe 8 and the dust suction hood 1 of the coal conveying system are respectively arranged above the conveyor belt 9 of the coal conveyance system. In terms of direction.
[0016] The dust collection h...
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The invention discloses an intelligent dust removing device of a coal conveying system. The coal conveying system comprises a coal dropping pipe and a conveying belt. The intelligent dust removing device comprises a dust hood, a coal dust concentration sensor, a negative pressure dust suction device, a negative pressure dust suction device on-off control circuit, a height sensor and a controller.The coal dropping pipe and the dust hood are arranged above the conveying belt, the dust hood comprises a plurality of vertical dust suction channels, a transverse dust suction channel and a dust collection cavity, and dust suction outlets of the vertical dust suction channels communicate with the transverse dust suction channel; the negative pressure dust suction device is arranged in the transverse dust suction channel, the dust collection cavity is provided with a first opening, a second opening and a movable bottom plate, the first opening communicates with a coal dust outlet of the transverse dust suction channel, and the second opening communicates with the coal dropping pipe; and the height sensor is arranged in the dust collection cavity to detect the coal dust height, and the output ends of the coal dust concentration sensor and the height sensor are electrically connected with the input end of the controller. According to the intelligent dust removing device, the concentration of coal dust generated in the transferring and conveying processes of the coal conveying system can be decreased, the automation degree is high, and the coal dust recovery rate is high.
Description
technical field [0001] The invention relates to an intelligent dust removal device for a coal conveying system. Background technique [0002] In the process of conveying coal, the coal conveyor belt will generate a large amount of coal powder dust due to the transfer head, especially when it is sent from the first stage of the belt to the other stage (transfer station). The coal dust not only seriously pollutes the environment and endangers the health of operating personnel, but also causes a large amount of waste of coal. Once the coal dust enters the electrical components, it is very easy to cause system failure, which in turn affects the safe production of the power plant. Although the traditional bag-type dust removal device can play a certain role in dust removal, it has disadvantages such as low dust removal efficiency, easy blockage of the bag, frequent failures, and difficult maintenance. Contents of the invention [0003] The technical problem to be solved by the...
Claims
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IPC IPC(8): B65G69/18
CPCB65G69/181B65G2201/045
Inventor 郭宏黄鹤代玉涛
Owner SHANGHAI QIYAO HEAVY IND CO LTD