(1) Accidents in electric coke precincting operations
1,Cause of the accident:
1) Overhaul and overhaul the explosion caused by electric coke capture;
2) Failure to purge or incomplete purging, electric coke capture explosion caused by hot maintenance;
3) When the air is not purged or the purge is not complete, the electric coke and power transmission cause explosion;
4) Sending substandard gas to cause electric coke capture explosion;
5) Due to the failure of the interlock, the blower trips, resulting in the explosion of electric coke capture;
2,precautions,
1) If you start a fire in the gas pipeline, you must first purge it and apply for a fire work ticket;
2) Before the air supply, the electric coke should be fully purged;
3) When supplying gas, the gas should be tested to be qualified, and the oxygen content should not exceed 0.8%;
4) The linkage test of the blower and the pressurizer should be checked regularly;
(2) Explosion accident of pressurized machine
1. Cause of the accident:
1). Pressurizer overhaul fire, improper measures, causing explosion;
2). After the pressurizer is overhauled, it is not purged and tested, resulting in an explosion;
2. Preventive measures:
1). The pressurizer should be fully purged for overhaul and fire, and handle the hot work ticket;
2). After the pressurizer is overhauled, it can be tested only after purging;
(3) Coal storage hopper explosion accident
1. Cause of the accident:
1). Overhaul and coaling motor fire caused by explosion;
2). The stoner card is not properly handled, causing an explosion;
2. Preventive measures:
1). Safety and fire prevention measures should be taken during fire maintenance;
2). When dealing with the smelter card, the upper and lower should be closely coordinated, and the coal valve should be opened slowly;