Dust Explosions: Vigilance and Preparedness
The tragedy of dust explosion has been staged again and again, and become a warning to our “forewarning”. From the October 24, 2021 Nanjing University of Aeronautics and Astronautics School of Materials Science and Technology laboratory explosion, to 2022, Shandong Jining Baishi Da Wood Co. Left us with deep remorse and sadness. When the smoke clears and the scene is left in a mess, these tragic scenes profoundly remind us that negligence in safety management will bring irreparable losses.
Essentials of Dust Explosion Protection Specifications
In the case of flammable and explosive metal powders and industrial dusts, mismanagement will put safety at great risk. For this reason, the emergency services have identified the key elements of dust explosion prevention and have proposed norms and methods:
For the existence of dust explosion risk of process equipment, should be a comprehensive use of explosion relief, explosion suppression, explosion isolation and anti-explosion and other explosion control technology, to avoid relying only on a single explosion isolation measures.
Combustible dusts of different categories should not be combined in the same dust collection system.
Aluminum, magnesium and other metal dust is prohibited to use positive pressure blowing dust removal system; other combustible dust dust removal system using positive pressure blowing, should take reliable measures to prevent ignition sources.
All dust-producing points should be equipped with dust-absorbing hoods and ensure that there is sufficient inlet airflow to meet the requirements for dust capture at the workplace.
Special locations where dust leakage cannot be completely prevented (e.g., at the entry and exit of powders to and from the process equipment), effective dust removal measures should be taken.
The development of the above standards for enterprises in the analysis of dust explosion problems and the selection of the corresponding dust removal equipment to bring a clear specification, the customization of standards to help enterprises in the selection of dust collectors can be a little more reference value, at the same time, accordingly, also put forward more requirements for dust collector suppliers: to meet the above design at the same time, safety, protection can also get more effective protection.
Wansheng Dedusting Equipment
Wansheng has professional technology and R&D team, with professional experience in R&D, production and technical support of dust removal system. The product line covers explosion-proof dust suction, atmosphere control, powder cleaning equipment, etc. From dust disposal to tailor-made for users to create systematic metal powder solutions can be realized.
According to the different characteristics of dust production, Wansheng different specifications of dust removing equipment with different air volume to meet the requirements of dust capture, and realize the dust removing effect of large suction, low noise, low energy consumption and high efficiency. In addition, explosion-proof vacuum cleaners are also specially designed to be used in 21 and 22 zones of explosive dust environment.
Application Practice
Wansheng dust removal equipment has a wide range of applications, the specific use scenarios are as follows:
Machine building: sanding machines, grinding, multi-station welding, shot blasting, cutting machines
Pharmaceutical & Food: Crushing process, feeding process, granulation equipment, tablet press dust removal, coating machine support, mixing and stirring
New energy electronics: laser cleaning, laser marking, laser drilling, circuit board cleaning, graphite processing, manual soldering
Composite material grinding: wind turbine blade grinding, yacht polishing grinding, aircraft fuselage wing grinding
With more than ten years of professional deep cultivation and technological innovation, Wansheng is committed to bringing customers a better service experience. With the core values of professionalism, rigor and honesty, we continue to promote the development of smart technology.
