Pipe filter automatic backwash filter automatic cleaning filters main types are: T-type filter, basket filter, P-type filter, Y-type filters, automatic backwash filters, automatic cleaning filters . The role of T-type filter media for filtering large particles, the greater the fluid can be removed solids, the machine equipment (including compressors, pumps, etc.), the instrument can work and operate, stable process, ensure safety in production . Basket filters are basically three types, namely: straight-through filters, high-low filter and jacketed filter. Removal of a small amount of solid particles in a liquid small filter that can protect the normal operation of equipment to improve water purity, due to the large filtration area, the debris can be more fully liquid collected in the filter basket in the P-type filter is remove solids and suspended solids filtration device, impurities are intercepting the inside of the filter, through the filter of water gathered in the cavity between the tube and the screen, and then flows out through the outlet. After filtration period of time, the screen cylinder pressure increases with the increase of impurities, when the pressure reaches the preset value, the drain valve start, one by one to the filter backwash, automatic sewage Y-strainer belong crude pipeline filter, the filter unit is necessary piping systems used to filter water pipelines, gas pipelines, oil pipelines larger solids to protect compressors, pumps and valves, meters and other equipment from damage to normal work carried out to ensure production safety. When water, gas or oil flow into the Y-type filter, in which the solid impurities are blocking filter, the filter when the accumulation of impurities to a certain extent, the cartridge can be taken out, cleaned and then placed within the filter restore its filtering function, the operation is quite easy to use. Automatic backwash filter main filter pipe liquid flow, high flow rate, the lower the viscosity of the fluid in the particulate impurities. A force unlicensed automatic backwash filter sewage under this vertical, internal filter has multiple columns, a plurality of filter backwash is a column-by-cleaning process is controlled by an automated filter complete autonomy of the entire machine Compact design, various accessories rational layout, high filtration precision, the entire work process is continuous and water, non-stop automatic cleaning filter to filter solid impurities within the filter flushing sewage backwash by pressure control, when containing solids When the liquid enters the automatic cleaning filter impurities trapped in the filter surface, causing increased pressure drop on both sides, when it reaches a certain level, the pressure difference on both sides of the filter reaches the set value, the differential pressure controller through the control cabinet The signal is then passed to the corresponding electric valve actuators, electric valve is open, the sewage. Pipe filter suitable materials are: 1, chemical, petrochemical production in weak corrosive materials, such as: water, oil, ammonia, hydrocarbons. 2, chemical production corrosive materials, such as: caustic soda, soda ash, concentrated sulfuric acid, carbonic acid aldehyde. 3, low-temperature refrigeration materials, such as: liquid methane, ammonia, oxygen and a variety of refrigerant. 4, food, pharmaceutical production materials hygiene requirements, such as: beer, beverages, dairy products, syrups and the like.