At 3:23 on January 29, a fire broke out at the De Du Hao Ri Wa restaurant in the Xincheng Meteorological Bureau's West Alley in Hohhot, Inner Mongolia. After receiving the emergency call, the Hohhot Fire Rescue Detachment immediately organized firefighting and rescue forces to the scene to deal with the fire. The injured people were sent to the hospital for treatment as soon as possible. The fire was extinguished at 4:22, but by that time, the fire had already killed 4 people and injured 4 others. The injured are still under observation in the hospital, and the cause of the fire is still under investigation.

How can technology be used to prevent accidents in the catering industry?

At present, most of the catering industry has installed gas alarm devices after rectification. However, there are still frequent accidents of gas explosions in the catering industry that cause casualties. The reason lies in the fact that the current gas alarm devices commonly used are not suitable for the characteristics of the catering industry and cannot meet the fire safety requirements.

The working characteristics of catering units that use gas are:

1. Frequent use of gas for cooking
2. Operating in a complex environment of wet steam and electromagnetic interference
3. Lack of ability and conditions for maintaining alarm devices

In such a production environment, the catering industry should adopt a gas alarm device that has strong anti-interference ability, can be used for a long time without maintenance.

Point-type laser methane sensors use laser absorption spectroscopy to monitor flammable, toxic, and harmful gases in real-time. The characteristics of the optical principle make it completely immune to the wet steam, high temperature, and electromagnetic interference from motors inside the kitchen, and it also does not require calibration, allowing it to operate stably for a long time. The millisecond-level reaction speed can instantaneously issue instructions to cut off the gas source. This technology can completely eliminate the possibility of accidents and is a practical solution to solve the gas safety issues in the catering industry.

Point-type laser methane sensor

· Gas monitoring concentration visualization

With a display screen, the gas monitoring concentration can be displayed in real-time at the scene,avoiding potential accidents in a timely manner.

· More intuitive on-site sound and light alarm

With on-site sound and light alarm function and fault indication function. Gas leaks will be notified to users in the first time, so that they can evacuate personnel from the scene in a timely manner.

· More diversified communication modes

Selectable wired communication (Modbus-RTU or 4-20mA), wireless communication (4G or NB-loT), and suitable for multiple communication scenarios.

· High protective performance

With a display screen, the gas monitoring concentration can be displayed in real-time at the scene,avoiding potential accidents in a timely manner.

· Strong anti-interference

Not affected by humidity, dust, temperature, and other gases, it can work for a long time in high-humidity environments.

· Internet of Things technology can be adopted

It can be used in areas covered by the network, without limitations on distance and scope.