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Fully automatic backwash filtration

2018-03-23
    Automatic recoil xian filters for the jib type self-cleaning filter structure of jib type self-cleaning filter is a kind of intensive filter, it is mainly composed of main engine shell, motor, reducer, differential pressure controller, photoelectric controller, LOGO programmable controller, electric cabinet, solenoid valve, or pneumatic valve, filter core, supporting parts, backwashing arm, etc.
    Multiple filter cartridges are installed in a filter cylinder with compact structure. Fully automatic backwash filter is used to remove solid particles in low viscosity medium. The filter medium is filtered through the wedged mesh filter, and the solid particles are trapped inside the filter core. With the increase of pollutants, the pressure difference between the polluted side and the cleaning side increases. If the pressure difference reaches the setting trigger pressure difference begins to automatically backwash. Back flush. The motor passes through the reducer to clean the washing arm under the filter element, and enters the filter element of the backwash state, and the flow of raw material is interrupted. Reverse flush drain valve (solenoid valve/pneumatic valve) opens, the pressure drop between the filtrate side and the backwash line pushes a small part of the filtrate into the filter element to be cleaned. The particulate matter that accumulates in the inside of the cartridge is loosened and flushed into the backwash line through the washing arm. The backwash time of the filter element is over, and the backwash valve closes immediately. In this way, all the filter elements are cleaned in turn. After all the filter elements are cleaned, the backwash cycle ends. Because the gap of the wedge filter is v-shaped, the flow velocity will be greatly increased when the backwashing water enters the inner part of the filter core, which will create a great scouring and cleaning effect on the gap. The v-shaped end point to the high quality of filter has excellent flow characteristics, can make the automatic cleaning filter every automatic cleaning is a success, thus to ensure the long-term stability of self-cleaning filter work. A large number of application practices prove that if the filter element does not have the above characteristics, it will result in filtration and anti-washing failure.

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