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The smaller the filtering accuracy, the better? Of course not. it depends on your requirements and economy. if it is only rough air filtration, what is the use of such a small accuracy, isn't it a waste of money. Just meet the requirements.
What happens when the inlet pressure of the mechanical filter is small, the inlet pressure is only 0.1-0. 2MPa, and how much is the flow rate appropriate? Blockage of imported pipelineOutlet, discharge unfavorable 1. water inlet pressure can only overcome the resistance of the filter element (pressure drop, pressure loss). the resistance of the filter element is related to the filtering accuracy. the higher the accuracy, the greater the resistance, generally, the precision of precision filtration is 0.2um, and the initial resistance of the filter element is 0. 005MPa, the final resistance (that is, the resistance when it needs to be replaced) is 0. 05MPa, so 0.1 ~ The inlet pressure of 0. 2MPa can work normally. 2. after the flow rate is generally selected in the engineering design, the pipe diameter of the pipeline is determined. the flow rate of low-pressure water is generally selected 1 ~ 3 m/s, the flow rate is too low to waste the cost of the pipeline, and the resistance of the pipeline with too high fl
What are the water treatment processes? In general,Water treatment can be divided into physical, chemical and biological methods.The physical method has precipitation,Filtering,Ion exchange,Adsorption method,Membrane Separation Technology (reverse osmosis, ultra-filtration, etc ).Chemical methods include neutralization,Coagulation,Oxidation reduction method,Chemical precipitation method,Advanced Oxidation technology, electrolytic, electrodialysis, etc.The biological method has aerobic and anaerobic treatment methods,The aerobic method includes active sludge method, oxidation pond, biological membrane method and land treatment system.Anaerobic biological treatment, etc.The process is a combination of a certain method or several methods.Generally speaking, the sewage treatment process is divided into three levels: first-class treatment: through mechanical treatment,Such as grille, precipitation or air floatation,Remove the stones, sand and fat, grease, etc. contained in the sewage.Secondary treatment: bio
