Ethyl acetate volatile electrostatic deflagration accident: full-time safety officers are directly responsible for the accident and are dealt with!

Chuzhou Dingyuan Anhui Jinghua New Material Technology Co., Ltd. "5 • 21" General Deflagration Accident Investigation Report

With the approval of the municipal government, the Chuzhou Municipal People's Government recently released the "Chuzhou Dingyuan Anhui Jinghua New Materials Technology Co., Ltd." 5 • 21 "General Detonation Accident Investigation Report". The accident referred to in the report refers to a detonation accident at Anhui Jinghua New Materials Co., Ltd., New Materials Optoelectronics Industrial Park, Economic Development District, Dingyuan County, around 4:52 on May 21, 2023, resulting in one death and a direct economic loss of more than 357.4 million yuan.

After investigation, it was determined that the accident was a general production safety liability accident.

The immediate cause of the accident

After investigation, it was determined that the direct cause of the accident was: during the operation of the operator's preparation of the glue liquid, the discharge port of the pipeline for filling the ethyl acetate material was not placed at the bottom of the material barrel, and the volatilization of ethyl acetate was not discharged in time. It accumulated in the upper part of the material barrel, reaching the explosion limit, forming an explosive gas environment, and the static electricity generated when the ethyl acetate flowed at high speed exploded.