Zhu Jianhua said: "In the news report, it was initially determined that the liquefied gas leak caused an explosion. The explosive power caused by the gas leakage is huge, and it may be a large amount of liquefied gas leakage. After the liquefied gas leaks into a gaseous state in the sealed space, the explosion power is a cylinder. 250 times the liquid gas, don't underestimate a gas tank."
He said that LPG is heavier than air and is easy to deposit on the ground, so it is prone to explosion in basements, rental houses and other places.
This is different from natural gas, which is lighter than air and is prone to volatilization.
He also said that gas tanks are available in fourteen-five kilograms and 50 kilograms. Household gas tanks are usually 15 kilograms, and restaurants use 50 kilograms. At present, there are fewer and fewer households using liquefied petroleum gas in the main urban area of ​​Hangzhou, and most households have switched to natural gas. Taking Baijiang LPG Co., Ltd. as an example, liquefied gas is now supplied to more than 200,000 households in Hangzhou, and the supply range is turning to the suburban joint.
According to Zhu Jianhua, according to statistics from previous years, 7% of the liquefied petroleum gas explosions are due to leaks in the seals at the junctions of the hoses, pressure reducing valves, hoses and pressure reducing valves. To avoid leakage caused by aging of the parts, the special leather tube for the gas tank is changed once in 18 months, the pressure reducing valve is changed once every 2 years, and the cylinder is changed once every 15 years. If you suspect that the gas tank tube is leaking, you can immerse the tube in the water and use it if it is bubbling. To ensure that the connection between the pressure reducing valve and the leather tube and the cooktop is not leaking, you can install the “throat card†on the fashion.
He also said, "There are special leather pipes for liquefied gas and natural gas. When replacing the leather pipe, don't just go to the store and buy a self-contained one. This will bury the safety hazard." In addition, the length of the leather tube is 0.5 to 1.5 meters is appropriate. If it is too short, the heat generated by the stove will affect the cylinder.
More importantly, we choose liquefied petroleum gas with guaranteed quality. "There are quite a lot of liquefied petroleum gas companies in Hangzhou. The quality of the regular company is good, and the steel cylinders are overhauled for 4 years, which is safe and secure." Zhu Jianhua said that when the regular company gives gas, it will show up. All are computer bills, there are also customer service hotlines, if you find liquefied gas leaks, "open doors and windows, do not open the range hood, move various switches", then call the customer service hotline or alarm.
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