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CN-224207547-U - Back flush filter

CN224207547UCN 224207547 UCN224207547 UCN 224207547UCN-224207547-U

Abstract

The utility model provides a back flushing filter, which belongs to the technical field of water treatment and comprises a filter cylinder and a filter mechanism arranged in the filter cylinder, wherein a back flushing cleaning assembly is further arranged in the filter cylinder, the back flushing cleaning assembly comprises a liquid discharge pipe arranged in the middle of the filter mechanism, the liquid discharge end of the liquid discharge pipe penetrates through the outer cambered surface of the filter cylinder and extends to the outside, a rotating pipe is rotationally connected between the liquid inlet end of the liquid discharge pipe and the bottom of the filter cylinder, the liquid inlet end of the rotating pipe is matched with the filter mechanism, a valve is arranged at the liquid discharge end of the liquid discharge pipe, a plurality of support plates are arranged at the edge of the filter mechanism, rotating frames are rotationally connected to the middle parts of the support plates, spiral scraping plates are arranged outside the rotating frames, and the spiral scraping plates are matched with the filter mechanism. According to the utility model, the intractable dirt adhered to the filtering surface of the filtering mechanism is thoroughly stripped through the combined motion of scraping and axial pushing, so that not only is the scale deposited on the device removed efficiently, but also the problem of filter hole blocking and residue in the traditional back flushing process can be avoided, and the recovery rate of the filtering efficiency is remarkably improved.

Inventors

  • XU PENGLEI
  • ZOU FANGBIN
  • FU BIN
  • SONG ZEYU
  • LI SHUHONG

Assignees

  • 山东良成环保科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250418

Claims (7)

  1. 1. The back flush filter is characterized by comprising a filter cartridge (100) and a filter mechanism arranged in the filter cartridge (100), wherein a back flush cleaning assembly is further arranged in the filter cartridge (100), the back flush cleaning assembly comprises a liquid discharge pipe (200) arranged in the middle of the filter mechanism, the liquid discharge end of the liquid discharge pipe (200) penetrates through the outer cambered surface of the filter cartridge (100) and extends to the outside, a rotating pipe (201) is rotationally connected between the liquid inlet end of the liquid discharge pipe (200) and the bottom of the filter cartridge (100), the liquid inlet end of the rotating pipe (201) is matched with the filter mechanism, a valve (202) is arranged at the liquid discharge end of the liquid discharge pipe (200), a plurality of support plates (203) are arranged at the edge of the filter mechanism, a rotating frame (204) is rotationally connected to the middle of the support plates (203), spiral scraping plates (205) are arranged outside the rotating frame (204), and the spiral scraping plates (205) are matched with the filter mechanism.
  2. 2. The backflushing filter according to claim 1, further comprising a first motor (206) disposed at the bottom of the filter cartridge (100), wherein an output shaft of the first motor (206) is fixedly connected to the rotating tube (201).
  3. 3. The backwash filter of claim 1, further comprising a drive assembly, wherein the drive assembly comprises a fixed cylinder (300) arranged in the rotary pipe (201), a sliding rod (301) is slidably connected to the upper end of the fixed cylinder (300), a crown tooth one (302) is rotatably connected to the upper end of the sliding rod (301), a crown tooth two (303) is arranged at the lower end of the rotary frame (204), and the crown tooth two (303) is movably meshed with the crown tooth one (302).
  4. 4. The backwash filter of claim 3, wherein the drive assembly further comprises a second motor (304) disposed on an upper end of the slide rod (301), and an output shaft of the second motor (304) is fixedly connected with the first crown gear (302).
  5. 5. The backwash filter according to claim 3, wherein the drive assembly further comprises an electric telescopic rod (305) arranged at the bottom of the fixed cylinder (300), and a telescopic end of the electric telescopic rod (305) is fixedly connected with the lower end of the sliding rod (301).
  6. 6. The backflushing filter according to claim 1, wherein a pressure difference sensor (400) is arranged in a pressure measuring port arranged on the outer arc surface of the filter cartridge (100).
  7. 7. The backwash filter of claim 1, wherein the filter mechanism comprises a bottom plate (500) arranged at the lower end of an inner cavity of the filter cartridge (100), the drain pipe (200) is fixedly arranged in a fixing hole arranged in the middle of the bottom plate (500), a plurality of mounting holes are arranged at the edge of the bottom plate (500), a cylindrical filter screen (501) is respectively arranged between the mounting holes and the filter cartridge (100), a locking hole matched with each cylindrical filter screen (501) is arranged on the filter cartridge (100), the mounting holes are matched with the liquid inlet end of the rotary pipe (201), the support plates (203) are respectively fixedly arranged at the lower end of the inner cavity of the mounting holes, and the spiral scraping plates (205) are respectively contacted with the intrados of the cylindrical filter screen (501) adjacent to the same side.

Description

Back flush filter Technical Field The utility model belongs to the technical field of water treatment, and particularly relates to a backwashing filter. Background The water treatment refers to the process of purifying the water body by a physical, chemical or biological method, and aims to remove impurities, pollutants and harmful substances in the water so as to meet specific water quality requirements, and a special back flushing filter is generally adopted for improving the treatment effect when the water treatment is carried out at present; The existing back flushing filter generally consists of a shell and a plurality of filter cartridges, and the surface of the filter cartridges is flushed through the back flowing of filtered water during operation, so that attached impurities are flushed down and discharged through a drain pipe, however, in practical application, the mode of only relying on back flushing pressure has obvious defects, and is difficult to effectively remove stubborn dirt, so that the dirt on the surface of the filter cartridges is not thoroughly cleaned, further the problem of clogging of filter holes is caused, and the recovery of the filtering efficiency is affected. Disclosure of utility model In view of the above, the utility model provides a back flushing filter, which can thoroughly strip stubborn dirt attached to the filtering surface of a filtering mechanism through the combined motion of scraping and axial pushing, not only effectively remove the dirt of the device, but also avoid the problem of filter hole blocking and residue in the traditional back flushing process, and remarkably improve the recovery rate of the filtering efficiency. In order to solve the technical problems, the utility model provides a back flushing filter, which comprises a filter cylinder and a filter mechanism arranged in the filter cylinder, wherein a back flushing cleaning assembly is further arranged in the filter cylinder, the back flushing cleaning assembly comprises a liquid discharge pipe arranged in the middle of the filter mechanism, the liquid discharge end of the liquid discharge pipe penetrates through the outer cambered surface of the filter cylinder and extends to the outside, a rotating pipe is rotationally connected between the liquid inlet end of the liquid discharge pipe and the bottom of the filter cylinder, the liquid inlet end of the rotating pipe is matched with the filter mechanism, a valve is arranged at the liquid discharge end of the liquid discharge pipe, a plurality of support plates are arranged at the edge of the filter mechanism, the middle parts of the support plates are rotationally connected with a rotating frame, spiral scraping plates are arranged outside the rotating frame and are matched with the filter mechanism, namely, the refractory dirt adhered to the filter surface of the filter mechanism is thoroughly stripped through the composite motion of scraping and axial pushing, so that the dirt of the device is effectively removed, the problem of blocking and residues of a filter hole in the traditional back flushing process can be avoided, and the recovery rate of the filter efficiency is remarkably improved. The back flushing cleaning assembly further comprises a first motor arranged at the bottom of the filter cylinder, and an output shaft of the first motor is fixedly connected with the rotating pipe, namely a driving source is provided for the rotating pipe. Still include drive assembly, drive assembly is including setting up the fixed section of thick bamboo in the revolving tube, and the upper end sliding connection of fixed section of thick bamboo has the slide bar, and the upper end rotation of slide bar is connected with crown tooth one, and the lower extreme of revolving frame all is equipped with crown tooth two, crown tooth two all with crown tooth one movable engagement, play the effect of quick connect promptly. The driving assembly further comprises a second motor arranged at the upper end of the sliding rod, and an output shaft of the second motor is fixedly connected with the first crown gear, namely a driving source is provided for the first crown gear. The driving assembly further comprises an electric telescopic rod arranged at the bottom of the fixed cylinder, and the telescopic end of the electric telescopic rod is fixedly connected with the lower end of the sliding rod, namely, the lifting of the sliding rod is regulated. A pressure difference sensor is arranged in a pressure measuring port arranged on the outer cambered surface of the filter cylinder, namely, the pressure difference of the inlet and the outlet of the filter cylinder is detected. The filtering mechanism comprises a bottom plate arranged at the lower end of an inner cavity of the filter cylinder, the liquid discharge pipe is fixedly arranged in a fixed hole arranged in the middle of the bottom plate, a plurality of mounting holes are formed in the edge of the bottom plate, the