On May 27, 2024, a major chemical plant explosion occurred in Gaomi City, Weifang City, Shandong Province, killing 5 people, missing 6 people, and slightly injuring 19 people. The accident site and the surrounding environment were severely impacted. The explosion not only caused direct casualties, but also may cause secondary disasters, such as toxic gas leakage, dust diffusion, air pollution, etc., posing a potential threat to the health of surrounding residents and the ecological environment. In this context, particulate matter monitoring technology plays a vital role in monitoring secondary disasters after the accident.

1. Analysis of secondary disaster risks after explosion accidents

Chemical plant explosions are often accompanied by the release of large amounts of dust, smoke, and toxic gases, which, when diffused in the air, may have serious impacts on the environment and human health. For example:

· Dust dispersion : Dust generated by the explosion may spread with the wind and enter sensitive areas such as residential areas, farmland, water sources, etc., causing air pollution.

· Toxic gas leakage : Toxic gases commonly found in chemical plants (such as hydrogen sulfide, carbon monoxide, etc.) may be released in large quantities after an explosion, posing a threat to personnel health.

· Secondary fire : When dust and combustible materials mix, they may cause secondary fires, further expanding the scope of the accident.

Therefore, after an explosion, real-time monitoring of the concentration of particulate matter in the air , especially PM100 (TSP) and smoke concentration , becomes an important means of emergency response and environmental assessment.

2. Dust diffusion monitoring in secondary disasters

NovaSensor SDS031 particle sensor is a high-range industrial dust sensor based on the principle of laser scattering . It is designed for highly polluted environments and is suitable for industries such as coal mines, flour mills, cement plants, power plants, and restaurant fume. After the explosion, a large amount of dust and smoke may spread rapidly. NovaSensor SDS031 sensor can monitor PM100 (TSP) and smoke concentration in the air in real time, helping relevant departments to quickly determine the scope and degree of particle diffusion pollution, and provide a scientific basis for subsequent emergency response.

3. Conclusion

The chemical plant explosion is not only a serious public safety incident, but also a severe test for environmental monitoring technology. With its high precision, high stability and strong anti-pollution ability, NovaSensor SDS031 particle sensor can become an important tool for monitoring secondary disasters after the accident. In the future, with the continuous advancement of sensor technology, particle monitoring will play a greater role in more fields, providing solid protection for environmental protection and public safety.

NovaSensor uses technology to protect the purity of every inch of air.