What is the correct order to turn off the gas?

Turn off the stove first to ensure that the fire on your stove is extinguished, and then turn off the gas tank to ensure that it will not cause backward suction.

Because the gas tank compresses the gas into the gas tank, if the gas tank is turned off first, but there is gas in the gas pipe and the stove is still burning, when the gas in the gas pipe is running out, the flame will burn into the gas pipe, causing the gas pipe to catch fire and even hurting the gas tank. This is often called tempering, which not only damages kitchen utensils, but also may cause serious fires.

The correct way to use gas is:

1. It is recommended to replace the hose connecting the gas pipeline (steel cylinder) to the cooker every 18 months, and the service life stipulated by the state shall not exceed two years.

Second, after cooking every time, turn off the stove switch first, and then turn off the tube (cylinder) valve. On the contrary, there is no pressure in the pipeline, which is easy to cause tempering explosion.

Third, don't use boiling water to iron the cylinder. As the boiling water cools, the pipeline pressure decreases and it is easy to backfire and explode.

Fourth, when buying a cooker, pay attention to whether there is a flameout protection device.

5. Commercial users, such as hotels and canteens. Because of the large consumption, one gas cylinder is not enough, they string several gas cylinders together. Such a "gas cylinder group" can only be used after being tested by professional departments and qualified in explosion prevention, ventilation and leakage alarm devices.