According to the cleaning method of the dirt, it is divided into two types: manual cleaning grid and mechanical cleaning grid. It is widely used for pretreatment of rainwater and urban sewage; removal of floating debris at the water intake of water plants, power plants and steel plants; separation of wool raw materials from slaughter, medicine, industrial wastewater, paper, chemical fiber, textile, printing and dyeing; Wool scouring industry; the processing technology of washing with water or residues in fruits. From. Drum type mechanical grid, also known as fine grid filter or spiral grid, is a fine grid decontamination machine, grid slag spiral elevator and grid slag spiral press. It is an ideal equipment for separating floating matter, sedimentation and suspended matter in the process of urban sewage treatment and industrial wastewater treatment. It is widely used in solid and liquid separation, cleaning, transportation and dehydration in urban domestic sewage and industrial wastewater treatment projects. The structure is compact, made of almost all stainless steel, has sufficient corrosion resistance and strength, and can be used in harsh environments for a long time; stable operation at low speed, low energy consumption, low operating noise, large filtering area, small hydraulic loss; grille and The water flow is about 35 degrees, even if the thickness is smaller than the grille. Many separable dirt can be separated, the functions of collecting, conveying, and pressing are integrated, and the structure is compact, which reduces the subsequent disposal cost of garbage.

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