Installation requirements for primary and medium-efficiency filters in clean rooms? -common problem
Installation requirements for primary and medium-efficiency filters in clean rooms?
Air filter is an important equipment for air conditioning and cleaning system. According to the purification rate, it can be divided into three types of filters: primary efficiency, medium efficiency and high efficiency. During installation, consideration should be given to facilitate removal and replacement of filter media...
Text label: clean room equipment installation, primary filter installation, medium efficiency filter installation
Installation requirements for primary and medium-efficiency filters in clean rooms?
Air filter is an important equipment for air conditioning and cleaning system. According to the purification rate, it can be divided into three types of filters: primary efficiency, medium efficiency and high efficiency. During installation, it should be considered easy to disassemble and replace the filter material, and keep the filter tightly between the frame and the air conditioner; the medium-efficiency filter uses glass fiber, cotton linter fiber filter material and non-woven fabric, etc., mainly dealing with 1- 10μm dust, the installation is the same as the installation of the primary filter, generally installed in the air conditioner or in a special filter box, the installation should be tight, and easy to disassemble and replace; the gap between the box and the filter frame, except for the connection point, Generally kept at about 3mm, the box body and the filter frame must be tightly connected with the upper, lower, left and right angle steel to prevent the air that has not been filtered by the filter from flowing through. gasket.
The surface of the metal mesh oil filter should be cleaned with hot alkaline water before installation. After drying, apply oil. At the same time, keep the outside of the air conditioner clean; during installation, clean the inside and outside of the air conditioner. The metal grids should be arranged well, the connections should be tight, and the airflow direction should be correct. The electrostatic filter filters the air through the action principle of corona discharge and electrostatic field on charged particles. When installing the electrostatic filter, first level the filter, then fix it firmly, and use a flexible joint at the joint with the equipment or air duct. And have a good grounding device. Zhongjing Global can supply and install purification equipment such as high-efficiency filters for junior high schools, and can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean rooms and clean rooms.
Clean room automatic oil immersion filter is used in general ventilation and air conditioning systems. In order to prevent oil mist from being brought into the system, it cannot be used in air cleaning systems. When installing, remove the adhesion on the surface of the filter and pay attention to the rotation direction of the assembly. , to make the rotating mechanism flexible; the filter and the frame or the filter installed in parallel should be closed to prevent the polluted air from being brought into the system from the gap to form an air short circuit, thereby reducing the filtering effect. The automatic winding filter is an air filter device that uses chemical fiber coils as the filter material, and uses the pressure difference before and after the filter as the sensing signal to automatically control the replacement of the filter material. It is often used in air conditioning and air cleaning systems; On the buried anchor bolts, check whether the frame is flat before installation, and there should be no broken corners, burrs, cracks, etc. on all surfaces of the filter bracket that contact the filter material; If the installation can be carried out smoothly, the pre-embedding of the anchor bolts should be carried out according to the standard atlas or the actual measurement of the number of holes and hole spacing of the anchor bolts of the product, and the pre-embedded size must be accurate; the filter material should be properly tightened, and the upper and lower boxes should be parallel. To ensure the reliable operation of the filter material, the installation of the filter material should be regular to prevent deviation from the track during automatic operation; when multiple filters installed in parallel share a set of control equipment, the pressure difference signal comes from the average pressure difference before and after the filter, which requires filtering The height of the filter, the diameter of the coil shaft and the specifications of the filter material used are consistent to ensure the synchronous operation of the filter.
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