The dust-free room has strict regulations on the humidity, temperature, fresh air volume, state and illumination of the environment, so as to ensure the production quality of products and the comfort of personnel working environment. The whole clean room system is equipped with a set of air purification system with three-stage filters of primary efficiency, medium efficiency and high-efficiency filters to control the number of dust particles, settling bacteria and floating bacteria in the clean area. As the end filtering device, the high-efficiency filter determines the operation effect of the whole purification system. Therefore, it is very important to grasp the replacement time of the high-efficiency filter
Speaking of high efficiency filter, in the clean room, whether it is the high air volume high efficiency air filter installed at the end of the purification air conditioning unit or the high efficiency air filter installed at the high efficiency air supply outlet, these must have accurate operation time records and cleanliness and air volume as the basis for replacement. For example, under normal use, the service life of high efficiency filter can be more than one year, If the front-end protection is done well, the service life of the high-efficiency filter can be up to more than two years without any problem. Of course, it also depends on the quality of the high-efficiency air filter, maybe longer.
For example, the high-efficiency filter installed in the purification equipment, such as the high-efficiency filter in the air shower room, such as the front-end primary efficiency filter, is well protected, and the service life of the high-efficiency filter can be more than two years;
For example, for the high-efficiency filter on the purification workbench, we can replace the high-efficiency filter through the prompt of the differential pressure gauge on the purification workbench. For the high-efficiency filter in the clean shed, the best time for replacing the air filter can be determined by the detection wind speed of the high-efficiency air filter, For example, the replacement of the high-efficiency air filter on the FFU fan filter unit is through the prompt in the PLC control system or the prompt of the differential pressure gauge
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