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Air filter classification introduction

Release time:

2021-01-23

The air filter refers toAir filterThe device is usually used in clean workshops, clean workshops, laboratories and clean operating rooms. Air filters can be divided into primary air filters, medium-efficiency filters, high-efficiency filters and sub-high-efficiency filters according to their working principles.

1. For small air filters, such as ultra-clean bench, air shower, laminar flow hood, etc., due to the processing, coarse or medium effect filters are usually used in the fresh air inlet surface of the air is small, and the air supply end must be high efficiency filter or ultra high efficiency filter.

2. For the selection and structure of the air filter in the clean air conditioning system, the reasonable selection and configuration are usually based on the air cleanliness level in the clean room and the special requirements of the production process.

A. For the purification system of 1000-100,000 grade clean room, the air filtration form is usually adopted, I .e. coarse, medium and high efficiency filters; The coarse and medium efficiency filters are usually placed in the air handling equipment, the medium high efficiency filter is placed in the positive pressure part, and the sub high efficiency filter or high efficiency filter is usually located in the air conditioning system at the end of purification.

B. For classes 100-1000, coarse, medium, and sub-efficientAir filterThe clean air conditioning system is usually installed in the fresh air handling device, and the high efficiency filter or ultra high efficiency filter is also installed in the clean room circulating air system. Typically, a high efficiency air filter is located at the end of the clean air conditioning system, I .e., at the ceiling of the clean room; for an ultra high efficiency filter, it must be at the end of the clean air conditioning system to ensure the required air cleanliness level.

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Air filter classification introduction

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