On June 12, the new suspended mining single hydraulic prop independently developed and produced by China Coal Group was sent to Shanxi, Inner Mongolia and other places, which once again set off a sales frenzy.
What are the main causes of belt conveyor accidents?
Views: 0 Author: Site Editor Publish Time: 2022-09-27 Origin: Site
1. Belt fire accident
The belt fire accident of belt conveyor is one of the accidents with many casualties. The main reasons are: the flame retardant belt is not used according to the requirements of the Coal Mine Safety Code, causing friction, heating and fire; Use unqualified hydraulic coupling to inject oil for fire; The belt and roller (drive drum) skidded and caught fire due to imperfect protective device, poor maintenance quality and poor roadway environment.
2. Belt slipping and sliding accident
Belt slipping is caused by loose belt, heavy load or belt jamming. The reason for belt slipping is that the inclined roadway has a large inclination angle, the anti-skid facilities are incomplete, and the accidents occur during heavy load or overload.
3. Injuries against rules
Causes of injury accidents against rules include: taking belt conveyor against rules; Crossing or crossing the belt conveyor in violation of regulations; The offside protection device of the portable belt conveyor is not sound.
4. Belt tearing or breaking accident of belt conveyor caused by poor management
The main reasons for belt tearing or breaking: gangue directly hits the belt or metal blocks the belt; There is no protective device when the belt is seriously deviated and torn due to jamming and scraping, and the driver's post system is not strictly implemented, resulting in the expansion of belt tearing accidents.
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