It is used for separation of emulsion and solid material which their suspension contents 1-5 % . For example, regeneration of fuel oil and lubricant separation of gum, nitroglycerine and extraction of tetracyin, bacterium, penicillin,biological alkali,dairy products, refining vegetable oil, separation of rubber latex,blasting oil,benzoic acid,balata,extracting acheomycin, penicillin, bacteria,etc. This machine has strong separation ability. separation factors are betwween 5000 and 10000. the max through-put is 10 cubic meter per hour. It has simple structure convenient maintenance and low price.