What is the fault of the sound and light alarm of the kitchen automatic fire extinguishing device

The kitchen fire extinguishing device is a semi-automatic fire-fighting equipment used to extinguish the fire when the kitchen is in danger. According to China's "Code for Fire Protection Design of Buildings", in catering establishments with a business area of more than 500 square meters in the building, automatic fire extinguishing devices should be installed in the exhaust hood and cooking parts of the cooking operation room, and automatic emergency shut-off devices should be set on the gas or fuel pipelines.

CMJS18-2-MY type kitchen fire extinguishing device is an automatic fire extinguishing device independently developed and produced by Shanghai Maoyuan Fire Equipment Co., Ltd., this device adopts a combination of mechanical and electronic control, exquisite structure, beautiful and reliable performance, with automatic, manual, emergency three starting methods, the implementation of 24-hour monitoring, reasonable installation, does not occupy the kitchen floor area, only occupies a small amount of space, easy operation and maintenance. When the temperature of the oil pan of the kitchen stove reaches 360-366, the oil in the oil pan begins to spontaneously combust, and the temperature reaches more than 400 in a short time. When the burning flame generates a huge amount of heat, raising the temperature inside the hood to 183, the temperature detector disconnects, thus activating the fire extinguishing device for the kitchen equipment.

At the same time, the gas in the cylinder is driven to be sprayed into the oil pan and the hood through the atomizing nozzle through the pressure reducing device, and the chemical reaction with the burning oil is formed to isolate the oil from the air, so that the fire is terminated and the purpose of rapid fire extinguishing is achieved. The gas valve is automatically closed when the equipment is started, the gas is completely cut off, and the sound and light alarm system is started through the micro switch to start the alarm. After the spraying of the agent, the water flow valve will be automatically activated, and the water will be sprayed into the oil pan and the exhaust hood to make it physically cool down to prevent secondary re-ignition.

It only takes 3-8 seconds for the automatic fire extinguishing system of kitchen equipment to complete the fire extinguishing process, which is irreplaceable by other fire extinguishing equipment. In order to achieve the fire extinguishing effect and minimize the economic loss.

There are about 800,000 catering enterprises in China, and there are millions of small and medium-sized restaurants. According to incomplete statistics, more than 50 of the fires in hotels, hot pot restaurants, fast food restaurants and other catering establishments are caused by kitchen fires, and the reasons for kitchen fires are due to too many uncertain factors, especially human factors, which have led to a rising fire accident rate. In some large hotel chains, once a fire breaks out, the consequences are unimaginable.

In Shanghai, for example, there were 28 kitchen fires in 2015 and six from January to May this year. This is also an important reason why the state has introduced relevant laws to make installation mandatory.