1.1 Residential market
Due to the increasing demand for quality of life, the original air filtration system of the house can no longer meet people's needs, and the higher performance electrostatic filter becomes the preferred substitute for the original air filter. However, compared with ordinary glass fiber filters, the application of electrostatic filters is limited due to the high cost of filter media.
In China, most of the homes do not have air filtration systems, but the number of homes in China is huge and is increasing at a rate of millions of units per year. With the increasing indoor air quality and the increasing environmental awareness, the application of air filtration systems in residential areas is promising, and there is a huge potential market.
1.2 Office Building Application
The driving force behind improving office air quality is the widespread use of advanced office equipment. Computer terminals are a source of ozone and volatile organic compounds. Inkjet printers are a source of hydrocarbons and ozone. Dry photocopying machines produce hydrocarbons, respirable suspended particulates and ozone; fax machines produce ozone and volatile organic compounds; laser printers produce hydrocarbons, ozone and respirable particles, and the like. These products have seriously polluted the indoor environment and caused certain harm to people and office equipment.
1.3 Indoor air purifier
As building standards become more stringent, consumers are paying more and more attention to indoor air quality. Especially people with allergies, asthma or respiratory diseases, because air pollution affects their normal life. People spend 90% of their time indoors, and the indoor air pollution level may be 2-4 times that of outdoor. Almost all spaces in the room contain pollen, mold, spores, animal hair, smoke, bacteria, viruses and harmful fibers and dust including asbestos. Poor air quality makes asthma and allergies worse. It is an effective method to remove indoor air pollutants with an air purifier.
1.4 Production plant
The air quality requirements of different factories vary widely. Factories equipped with fume hoods and pollution control equipment need to replenish large amounts of air. If the ambient air in these areas is contaminated, it must be filtered before distributing the replenished air to the workplace. In the semiconductor manufacturing and pharmaceutical industries, the cleanliness of air is high. In a typical work environment, there are 500,000 particles per cubic foot of air, and the latest requirement for semiconductor production is only 1 particle per cubic foot of air.
For the exhaust gas emitted by the factory, the most stringent requirement is toxicity. Certain heavy metals such as mercury, arsenic, chromium, antimony, etc. are highly toxic and their emission limits are very strict. In terms of air toxicity, the United States and Germany have adopted new and stricter legislation. After implementing new legislation, the air toxicity limit was reduced from the original 20 mg/m 3 (standard) to 010004 mg/m 3 (standard). To achieve this goal, the factory needs a more advanced filter to remove submicron particles.
1.5 hospital
The health industry is a very large and special industry, and it has high requirements for air cleanliness. Typically, the minimum requirement for hospital air is filtered using a combination of a 30% efficiency prefilter and a 90% efficiency final filter.
Many HVAC systems in hospitals use 100% outdoor air, which is a good strategy to prevent patients from cross-infecting suspended microorganisms in HVAC systems. However, 100% use of outdoor air does not eliminate the growth of microorganisms in air filtration media and its adverse effects on the care environment. Therefore, many hospitals still need advanced HVAC systems.
The clean room of the health system was first used in the operating room. At first it was only widely used in orthopedic surgery because orthopedic surgery is prolonged and prone to infection. The level of control is ideally achieved with an air cleanliness level of 100 near the operating table.
Other areas in which cleanrooms are used include birthing rooms, nursery rooms, burn rooms, and heart disease care units. One of the latest developments is the use of cleanrooms for dental surgery, which reduces the risk of infection of medical personnel during long-term surgery.
1.6 Food Processing
The food industry is becoming an expanding market for air filtration equipment. In order to maintain the fresh taste of food, the method of disinfection to eliminate pollution has gradually disappeared. This makes it more important to eliminate product-related air pollution. National regulations, insurance awareness and public attention are prompting meat processors, dairy producers and other food producers to update their air filtration systems.
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Tags: Air filter applications in various industries
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