Study on pollution path of hazardous gas leakage in chemical industrial park
A hazardous gas leakage model was established based on the layout of a chemical park,and the pollution paths of hazardous gas leakage under different wind speeds,atmospheric stability levels and leakage connection point pressures were studied.A personnel evacuation plan under the worst working conditions was developed,which could provide effective guidance for on-site engineering and technical personnel to develop emergency plan.The study results indicated that in the worst working conditions,the surrounding wind speed was 9 m/s,the atmospheric stability level was C,and the pressure at the leakage connection point was 5 MPa.The coal to natural gas diffusion cloud covered the hazardous chemical storage tank area,the first and second chemical workshops,pump room,warehouse,fire training ground,central control room and playground,while the machine repair workshop,canteen and administrative building were relatively safe.To improve the personnel evacuation efficiency and reduce the risk of poisoning,it was recommended to set up the accesses on the north side of the pump room,west side of the chemical workshop 1,south side of the chemical workshop 2,south side of the warehouse,east side of the fire training ground,and east side of the central control room.
chemical industrial parkhazardous gasgas leakagepollution pathdiffusion characteristics
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