Coal fine crushing mechanism for coal-fired power generation system

Abstract

The invention discloses a coal fine crushing mechanism for a coal-fired power generation system. The mechanism comprises a box body, wherein the top of the box body is provided with a feed inlet, a support plate is welded on the side wall of the box body, a motor is fixedly connected to the top of the support plate, the output end of the motor is fixedly connected with a main shaft, the outer surfaces of a first drive shaft and a second drive shaft are respectively fixedly connected with a first crushing roller and a second crushing roller, the front of the box body is provided with a first discharge port, a fixed frame is arranged obliquely inside the box body, a screen is fixedly connected to the inner wall of the fixed frame, the outer surface of the main shaft is provided with a thirdtransmission assembly and is in transmission connection with two vibration blocks through the third transmission assembly, and the back of the box body is provided with a second discharge port. The coal fine crushing mechanism for the coal-fired power generation system has the beneficial effect that the provided third transmission assembly drives the vibration blocks to move up and down, and drives the screen to vibrate up and down, thereby avoiding the accumulation of coal on the upper surface of the screen.

Description

technical field [0001] The invention relates to a coal fine crushing mechanism, in particular to a coal fine crushing mechanism for a coal-fired power generation system, which belongs to the technical field of mining. Background technique [0002] The working principle of coal-fired generator sets: it converts the heat energy generated by coal combustion into electric energy through power generation power devices (power plant boilers, steam turbines, generators and their auxiliary devices, etc.). Coal-fired power generation has a long history and is also a relatively important one. . [0003] Coal-fired power generation first needs to crush the coal. The crushed coal increases the area in contact with the air, making it easier to burn. The existing coal crushing mechanisms generally use crushing rollers to crush the coal, and then screen after crushing. The coal is re-crushed, but coal is easy to accumulate on the screen during the screening process, causing the screen to b...

AI Technical Summary

Problems solved by technology

[0003] Coal-fired power generation first needs to crush the coal. The crushed coal increases the area in contact with the air, making it easier to burn. The existing coal crushing mechanisms generally use crushing rollers to crush the coal, and then screen after crushing. The coal is re-crushed, but coal is easy to accumulate on the screen during the screening process, causing the screen to be blocked, so we propose a coal fine crushing mechanism for coal-fired power generation system

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