Water filter structure and working principle

First, the structure and working principle of water filter Water filter from the shell, multi-element filter, backwash institutions, and differential pressure controller and other components. The diaphragm in the shell divides the inner cavity into upper and lower two cavities, and the upper cavity is equipped with multiple filter elements, thus making full use of the filter space, remarkably reducing the volume of the filter, Rinse the suction cup. Work, the turbidity liquid into the filter through the entrance to the lower chamber, and through the diaphragm hole into the filter cavity. Impurities larger than the gap of the filter are trapped, and the net liquid passes through the gap to reach the upper chamber and is finally discharged from the outlet. The filter core using high-strength wedge filter, through the pressure control, timing control automatic cleaning filter. When the filter impurities accumulate in the filter surface caused by import and export pressure increase to the set value, or the timer reaches the preset time, the electric control box sends a signal to drive the backwash mechanism. When the backwash sucker mouth and the filter inlet is opposite, the sewage valve opens, the system pressure relief drainage, the suction cup and the filter inside a relative pressure lower than the outer pressure of the filter negative pressure area, forcing part of the net circulating water from the filter outside Flows into the inside of the filter element, and the impurity particles adsorbed on the inner wall of the filter element flow into the stir plate and drain out of the drain valve. Specially designed filters create a spray inside the filter element, any impurities will be washed away from the smooth inner wall. When the filter import and export pressure back to normal or the timer set time is over, the entire process, the material flow, backwash water consumption less, to achieve a continuous, automated production. Second, the water filter design features 1, the filter device uses patented internal mechanical structure, to achieve a true sense of the high-pressure backwashing function, can easily and thoroughly remove the filter interception of impurities, cleaning without dead ends, flux attenuation, Guarantee the filtration efficiency and long service life. 2, 304,316 L stainless steel wedge filter water filter, high strength, high precision, corrosion resistance, the maximum filtration accuracy of up to 25 microns. 3, water filter through its own search and response capabilities to achieve automatic backwash, to deal with unstable water quality fluctuations, without human intervention. 4, water filter less wearing parts, no supplies, operation and maintenance costs low, easy operation and management. 5, water filter running accurately, according to different water sources and filtering flexibility to adjust the backwash pressure difference time and time setting value. 6, water filter In the backwash process, each (group) filter followed by backwash operation; to ensure that the filter is safe and efficient cleaning, and other filters are not affected, continue to filter. 7, the water filter with pneumatic drain valve, backwash lasted a short time, less backwash water consumption, environmental protection and economy. 8, water filter structure design compact and reasonable, small footprint, flexible installation and movement. Third, the technical parameters of water filter Working pressure: ≤ 1.0Mpa (For higher working pressure, please specify when ordering) Pressure loss: ≤ 0.015Mpa Filtration: 0.8 mm (0.2 ~ 3.5mm precision range can be manufactured ) Maximum working temperature: ≤ 100 ° C General principles of filter selection: 1, import and export Path: In principle, the diameter of the filter import and export should not be less than the matching pump inlet diameter, the general import pipeline Consistent diameter. 2, nominal pressure: According to the filter pipe may be the highest pressure to determine the pressure level of the filter. 3, the choice of hole mesh number: the main consideration to intercept the impurity particle size, according to the media process technology requirements. Screen size can be intercepted by a variety of sizes Check the table "filter specifications." 4, the filter material: The filter material generally connected with the process of connecting the same pipe material, for different service conditions may choose to consider cast iron, carbon steel, low alloy steel or stainless steel filter. 5, the filter resistance loss calculation Water filter, the general calculation of the rated flow rate, the pressure loss of 0.52 ~ 1.2kpa

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