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Industrial and commercial catering hotel canteen installed gas alarm program
The relevant provisions of the "Regulations on the installation of gas leakage safety protection devices in various gas-using units" are being drafted by relevant departments. All gas production and operation units and public service users such as restaurants, construction sites, hospitals, schools and canteens must install flammable gas. Alarms, then today I will explain how the flammable gas alarms in the hotel kitchen and school cafeteria are installed:
1. Installation position of flammable gas alarm: within a range of 1.5 meters from the gas source, the ventilation is good.
(1) Liquefied petroleum gas is denser than air, stays low after leakage, and the alarm should be installed about 0.5 meters away from the ground.
(2) The density of liquefied natural gas or gas is smaller than that of air, and it stays high after the leak. The alarm should be installed about 0.5 m from the ceiling.
2, can not install the location of the alarm: the corners, cabinets and other places where the air is not easy to circulate; easy to be directly smoked by the soot. The flammable gas leak alarm is suitable for a variety of flammable gas (liquefied gas) leaks, and the types are portable and fixed.
3. After one year of use, the alarm should be returned to the factory or to the local metrology institute for calibration, because the sensitivity of the built-in sensor will decrease after one year, and the detection error is large.
In accordance with relevant regulations, special supervision and inspection were carried out on the flammable gas alarms in the dining places in the jurisdiction. Focus on checking whether the user has implemented the relevant system, whether the accuracy of the damage device is correct, and whether the alarm device is operating normally. Article 28 of the Beijing Municipal Fire Protection Regulations stipulates that the operators of personnel-intensive places (including catering establishments) should install concentration detection and alarm devices in places where natural gas or liquefied petroleum gas is used.