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Description of air filtration pressure reducing valve As an auxiliary device for pneumatic film to adjust pressure, the internal air filtration pressure reducing valve is mainly composed of the main valve and the guide valve, which is adjusted by the interaction of these two parts.SpringPressure, so as to realize the function of gas decompression and voltage regulation. Air filtration pressure reducing valve is mainly used in gas pipelines to control air, oxygen, hydrogen, liquefied gas,Natural gasGas output, circulation. Below is a small series of tuba rabbits to introduce in detail the role and workflow of air filtration pressure reducing valve. Role of air filtration pressure reducing valveAir filtration pressure reducing valve is an intelligent valve that adjusts the pressure of the controller and pipeline through its own energy.Door Because the pressure in the gas pipeline often changes with the change of pressure and flow in and out of the system. Therefore, the air filtra

How to treat industrial sewage? In addition to proper pretreatment according to water quality, food industry wastewater treatment,Biological treatment is generally appropriate.If the water quality of the effluent is high or the organic matter content in the wastewater is high,Two-stage aeration tank or two-stage biological filter can be used,Or multi-level biological turntable.Or the joint use of two biological treatment devices,Anaerobic can also be used-A biological treatment system in tandem with aerobic oxygen.The combustion method can recover sodium hydroxide, sodium sulfide, sodium sulfate and other sodium salts combined with organic matter in black water.The pH value of wastewater is regulated by neutralization method;Coagulation sedimentation or flotation can remove suspended solids in wastewater;Chemical precipitation method can be discolored;BOD can be removed by biological treatment,It is more effective for Kraft paper wastewater;The treatment of sulfuric acid pulp wastewater by wet oxidation