What are the functions of purification engineering and how to deal with pollution
By constructing purification projects to eliminate air pollution in the production site and block outdoor pollutants from entering the production workshop, a sterile and dust-free production environment is created in the workshop to ensure the safe production of products. The purpose of purification engineering is to treat pollutants such as bacteria and dust, and isolate them from the production workshop.
These pollutants come from a wide range of sources, both in production and in the human body. Only by understanding the sources of these pollutants can purification projects be targeted.
Air pollution sources:
Clean fresh air achieves purification through the action of "dilution" or "pushing". To have clean fresh air, outdoor air needs to be treated. Atmospheric dust is the primary target of purification engineering, which refers not only to solid dust in the atmosphere, but also specifically to suspended particles in the atmosphere with a particle size of less than 10um The atmospheric dust count concentration on land varies greatly from place to place, and also varies greatly at different times within the same region, making it much more chaotic than parameters such as temperature.
In purification engineering, the primary way to eliminate atmospheric pollution sources is through the filtration of primary, medium, and high-efficiency three-stage air filters. Among them, the high-efficiency air filter is the most crucial equipment, and because it cannot be cleaned and reused after use, a protective air filter should be added before the high-efficiency filter.
Internal sources of pollution:
The amount of dust generated in the clean room can be considered to be eliminated through local exhaust from the equipment. Compared with the amount of dust generated by the human body during the transportation of products and materials, the amount of dust generated is generally very small. Due to the application of metal sheet walls, the amount of dust generated from the exterior of the building is also very small, generally accounting for less than 10%. People are the primary source of dust, accounting for about 90%, and can be said to be the primary source of pollution.
After implementing purification projects, enterprises should be equipped with high-quality clean clothing to reduce personnel dust emissions
Style: The large hanging type has the highest dust emission, followed by the top and bottom split type, and the full cover type has the least.
Material: Cotton has the highest dust generation, followed by cotton based polyester, anti-static pure polyester, and nylon.
Cleaning: The amount of dust generated by washing with solvent is reduced to one-fifth of what is clear with regular water.
Additionally, as the amount of dust generated during movement generally reaches 3-7 times that of when stopping, unnecessary personnel walking in the clean room should be minimized as much as possible.
Purification engineering is a comprehensive and high-tech project. So we need to grasp every detail in order to run the purification project well.
Article source: Guangdong Purification Engineering http://www.xwsk.com.cn/
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