Harbin Shuangcheng restaurant found the cause of the explosion: gas pipeline cracks

On July 15th, the Network News Network reporter learned from the Harbin Work Safety Supervision Bureau that on June 27th, the cause of the gas tank explosion accident in a restaurant in a double city was identified by many parties as follows: The pipeline has a penetrative, old fracture, and the limited space is filled. There is gas, and reached the explosion limit, an explosion in the event of an open flame.

At 6:50 pm on June 27, an explosion occurred in the people's home-style food and snack department in the Phoenix City of Shuangcheng City. 39 people were injured in varying degrees. Among them, 26 were wounded by the skin. After leaving the hospital with simple treatment, 13 were left. The injured were admitted to the hospital, after which 2 severely injured were transferred to Harbin Hospital for treatment.

The staff of the Harbin Work Safety Supervision Bureau and relevant department experts used the elimination method at the accident site to carry out leak check on the liquefied gas cylinders and stoves section by section with soapy water. Then the gas pipelines were pressure tested and cracks were found at the pipe elbows. . The Harbin Safety Supervision Bureau and relevant departments and the personnel of the twin cities sent liquefied gas cylinders, stoves and cracked gas pipelines to the relevant departments for identification.

Harbin Dongying Equipment Co., Ltd. carried out airtight tests on liquefied gas cylinders. The Harbin Quality Inspection Institute conducted a sealing experiment on the stoves used at the accident site. Two experiments showed that the liquefied gas cylinders and stoves met product quality requirements. No leakage. The cracked gas pipeline at the accident site was appraised by Beijing National Steel Quality Appraisal Center. The result was gas pipeline (LPG) leakage due to the presence of gas pipeline penetration. The limited space was filled with gas and reached explosion. The limit, an explosion in the event of an open flame.

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