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Washable filter air purifier

Basic Info

Model No.: VBY-B-800

Product Description


Where are central air conditioning air filters applied

In the past ten years, the number of high-grade buildings and hospitals in China has increased rapidly. Central air conditioning systems are also heavily used.

China's Filter industry is also driven by the rapid development of construction and industry, many foreign filter manufacturers also set up factories in China. But the importance of air filtration in general ventilation system is not recognized by owners, including many domestic designers, air conditioning professional engineers. According to a 2002 sample survey of air conditioning systems in public and commercial buildings in Shanghai, Beijing and Shenzhen, Guangdong, the company generally used metal mesh or nylon mesh filters, about 30~40 percent used coarse non-woven filters, and only 6 to 8 percent used medium-effect filters. At least 60% of the filters are non-standard size, maintenance, replacement, transformation is extremely inconvenient. In this case, two-thirds of the building's air-conditioning maintenance personnel believe that their own Air Filter can meet the requirements. General above maintenance personnel do not know how to maintain and use filters.

Several engineering examples can also reflect this:

A large-scale international airport was built in the northwest of China in 2002. The filter in the foreign design is configured as G3F6 activated carbon filter. During the actual construction, the supplier of air conditioning equipment and the owner of the airport used nylon mesh G3 non-woven bag as filter non-woven activated carbon powder filter in order to reduce the cost. During this year, I went to the airport air conditioning station to see the filter samples and found that the filter installation mode became G3 non-woven bag filter nylon mesh filter. (The nylon mesh filter is placed behind for easy installation)

A southern airport, investment of 60 billion yuan. A French design in 1996 recommended the use of F7 filters and activated carbon filters in central air conditioning systems. Because the annual cost exceeds the owner's imagination and budget, the request is reduced to F5 grade. When used in practice, about 5000 F5 glass fiber bag filters are only suitable once, which are replaced by G3 efficiency non-woven filter by airport property management department and washed regularly. Most of the air conditioning systems in large airports across the country use such filters. It is said that a Shanghai airport also specially hired people with intellectual disabilities to wash filters.

Many owners and properties only pay attention to the replacement cost of filters in the operation of air conditioning, but do not consider the use of inefficient filters, resulting in the failure of many equipment in the air conditioning system, efficiency decline, air conditioning system serious ash, and finally spend more money to repair equipment, cleaning the system costs. A famous building in Shanghai has to spend millions of yuan to clean the air conditioning system after several years of operation because of its low filter efficiency. The air-conditioning system even if the best filter, a year of replacement costs only about 300000 yuan.


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