In February 22nd, 2# urea system short stop after the general control notification for feeding, owner, operator pump vice Dai Haofang ammonia mask for 1# ammonia pump pressurized to 19.0Mpa, to 1# urine tower bottom. Two vice operation in ammonia feeding tower bottom, wherein an operator to open into the tower first stop valve, open to a semi circle in the valve before the valve flange, suddenly the ammonia leak, two vice operators quickly evacuated, to 1# ammonia pump relief immediately after seeing this main operator, open side line valve, close outlet valve. A pair of operators to run to the operating room phone monitor, another run to the fire before the cabinet, then a fire hose. Monitor quickly call the repair work two urea synthesis tower bottom Dn80 high pressure flange leak, repair personnel should wear protective clothing, wearing breathing apparatus and fastening. Monitor notice after repair, wear proof mask with ammonia pump vice operators together with a fire hose stations in the open area for dilution liquid ammonia leak. Repair workers rushed to the scene of the accident, quickly take good tools, wear protective clothing, wear breathing apparatus to enter the scene, the leak plugging treatment. The leakage is eliminated, the operator according to the feeding order of feed drive, anti accident exercise ended.

The exercise by the workshop director Chen Fei as commander in chief, safety deputy director Li Wei to watch the scene walkthrough process, and after the drill, as the evaluation of the training effect. Enhance the emergency handling ability of staff of the ammonia leak through training, improve staff use of protective equipment and fire fighting facilities proficiency, but also can test the protective equipment and fire protection facilities are in good state.