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CN-224220912-U - Corrosion-resistant octagonal sealing dephosphorization filter cloth device

CN224220912UCN 224220912 UCN224220912 UCN 224220912UCN-224220912-U

Abstract

The utility model relates to the technical field of sewage phosphorus treatment, in particular to an anti-corrosion octagonal sealed dephosphorization filter cloth device, which comprises an octagonal filter box, wherein a cover plate is arranged at the upper end of the octagonal filter box, a scraper mechanism is fixedly arranged in the middle of the lower end of the cover plate, the scraper mechanism comprises a hollow sleeve, the scraper mechanism is positioned in the middle of the octagonal filter box, the hollow sleeve is fixedly arranged in the middle of the lower end of the cover plate, a rotary drum is slidably clamped in the middle of the hollow sleeve, a guide groove is formed in one side of the rotary drum, an extension rod is fixedly arranged at the lower end of the rotary drum, a plurality of connecting rods are uniformly and fixedly arranged around one end of the extension rod, and arc-shaped scrapers are fixedly arranged at one ends of the connecting rods respectively. The utility model solves the problem that the traditional octagonal dephosphorization filter cloth device cannot realize self-cleaning, so that phosphorus can be in synergy with other corrosive substances in sewage to corrode the inner wall of the octagonal dephosphorization filter cloth device in the operation process.

Inventors

  • DAI XUAN

Assignees

  • 宁波艾菲特净化器材有限公司

Dates

Publication Date
20260512
Application Date
20250506

Claims (8)

  1. 1. The corrosion-resistant octagonal sealed dephosphorization filter cloth device comprises an octagonal filter box (1), a cover plate (11) is arranged at the upper end of the octagonal filter box (1), a scraper mechanism (2) is fixedly arranged at the middle part of the lower end of the cover plate (11), the corrosion-resistant octagonal sealed dephosphorization filter cloth device is characterized in that the scraper mechanism (2) comprises a hollow sleeve (21), the scraper mechanism (2) is positioned at the middle part of the octagonal filter box (1), the hollow sleeve (21) is fixedly arranged at the middle part of the lower end of the cover plate (11), a rotary drum (22) is slidably clamped at the middle part of the hollow sleeve (21), a guide groove (23) is formed in one side of the rotary drum (22), an extension rod (24) is fixedly arranged at the lower end of the rotary drum (22) in a penetrating way through the hollow sleeve (21), a plurality of connecting rods (26) are uniformly and fixedly arranged around one end of the extension rod (24), one ends of the connecting rods (26) are respectively fixedly provided with arc-shaped scraping blades (27), a plurality of arc-shaped scraping blades (27) are respectively attached to the inner walls of the octagonal filter box (1), the outer sides of the extension rod (24) are sleeved with springs (25), the outer sides of the extension rod (25) are fixedly connected with one ends of the rotary drum (25) and the other ends of the springs (25) are fixedly connected with one ends of the rotary drum (25), guide bar (28) and guide way (23) slip joint, one side swing joint of rotary drum (22) upper end has pinion rack (32), rotate between the upper end at cavity sleeve (21) middle part and be connected with pivot (29), one side fixed mounting of cavity sleeve (21) middle part upper end has motor (30), the output of motor (30) and the one end fixed connection of pivot (29), the outside fixed mounting at pivot (29) middle part has half gear (31), mesh between half gear (31) and pinion rack (32).
  2. 2. The corrosion-resistant octagonal sealed dephosphorization filter cloth device according to claim 1, wherein an anti-corrosion coating (20) is sprayed on the upper part of the middle part of the octagonal filter box (1).
  3. 3. The corrosion-resistant octagonal sealing dephosphorization filter cloth device according to claim 2, wherein a through hole (19) is formed below the middle part of the octagonal filter box (1), the through hole (19) is conical, and the diameter of the upper end is larger than that of the lower end.
  4. 4. The corrosion-resistant octagonal sealed dephosphorization filter cloth device according to claim 3, wherein the middle part of the octagonal filter box (1) is clamped with a filter cloth (18), and a water inlet pipe (15) is fixedly communicated with the upper part of one side of the middle part of the octagonal filter box (1).
  5. 5. The corrosion-resistant octagonal sealing dephosphorization filter cloth device according to claim 4, wherein handles (12) are fixedly arranged on two sides of the middle part of the upper end of the cover plate (11), and upper fixing plates (13) are arranged on the periphery of the cover plate (11).
  6. 6. The corrosion-resistant octagonal sealing dephosphorization filter cloth device according to claim 5, wherein lower fixing plates (14) are fixedly arranged on the periphery of the upper end of the octagonal filter box (1), the upper fixing plates (13) are connected with the lower fixing plates (14) through screw threads, and the octagonal filter box (1) is connected with the cover plate (11) through the cooperation of the upper fixing plates (13) and the lower fixing plates (14).
  7. 7. The corrosion-resistant octagonal sealing dephosphorization filter cloth device according to claim 6, wherein a water outlet pipe (10) is fixedly connected to the lower end of the octagonal filter box (1), and an electromagnetic valve (17) is fixedly arranged on one side of the water outlet pipe (10).
  8. 8. The corrosion-resistant octagonal sealing dephosphorization filter cloth device according to claim 7, wherein a base (16) is fixedly arranged on the outer side of the lower end of the octagonal filter box (1).

Description

Corrosion-resistant octagonal sealing dephosphorization filter cloth device Technical Field The utility model relates to the technical field of sewage phosphorus treatment, in particular to an anti-corrosion octagonal sealing dephosphorization filter cloth device. Background The octagonal dephosphorization filter cloth filtering device is a device for filtering and dephosphorizing, and the structure of the octagonal dephosphorization filter cloth filtering device generally comprises an octagonal filter chamber, dephosphorization filter cloth made of special materials and a sealing system at a joint. If the filter cloth is specially treated to contain substances capable of reacting with phosphorus, the phosphorus is converted into insoluble substances to be trapped on the filter cloth, or the phosphorus is physically adsorbed by utilizing the micropore structure and the surface characteristics of the filter cloth, so that the dephosphorization purpose is achieved. The octagonal dephosphorization filter cloth device can generally filter phosphorus in sewage. However, the octagonal sealing dephosphorization filter cloth device has a plurality of defects in practical use. For example, in terms of corrosion protection, the inner wall of an octagonal dephosphorization filter cloth device above a filter cloth in the octagonal dephosphorization filter cloth device is often severely corroded, because the conventional octagonal dephosphorization filter cloth device cannot realize self-cleaning, while the filter cloth is filtered, impurities possibly adhere to the inner wall above the filter cloth along with splashing of air flow or liquid, and the impurities possibly contain corrosive components or adsorb corrosive substances in sewage to form local corrosion sources, so that the inner wall corrosion of the area is aggravated, and the service life of the device is shortened. In addition, since the phosphorus on the filter cloth inside the filter device and the phosphorus attached to the inner wall of the device can be cleaned after one round of operation is usually waited for during the filtration, in the long-time continuous filtration operation process, along with the continuous passing of sewage through the filter cloth, the phosphorus and other impurities can be continuously accumulated on the surface of the filter cloth, and for the inner wall of the device, the phosphorus attached to the inner wall of the device can be gradually attached and accumulated, and the phosphorus attached to the inner wall of the device can cooperate with other corrosive substances in the sewage, so that the corrosion degree of the inner wall can be further increased, sediment formed on the wall surface of the phosphorus can act as electrolyte, the occurrence of electrochemical corrosion is promoted, and the metal of the inner wall is continuously corroded, thereby greatly shortening the service life of the device. Disclosure of utility model The application aims to solve the technical problem that the traditional octagonal dephosphorization filter cloth device cannot realize self-cleaning, so that phosphorus can be used for corroding the inner wall of the octagonal dephosphorization filter cloth device under the synergistic effect of the phosphorus and other corrosive substances in sewage in the operation process. In order to solve the technical problems, the embodiment of the application provides an anti-corrosion octagonal sealed dephosphorization filter cloth device, which comprises an octagonal filter box, wherein a cover plate is arranged at the upper end of the octagonal filter box, a scraping plate mechanism is fixedly arranged in the middle of the lower end of the cover plate, the scraping plate mechanism comprises a hollow sleeve, the scraping plate mechanism is positioned in the middle of the octagonal filter box, the hollow sleeve is fixedly arranged in the middle of the lower end of the cover plate, a rotary drum is slidably clamped in the middle of the hollow sleeve, a guide groove is formed in one side of the rotary drum, an extension rod is fixedly arranged at the lower end of the rotary drum in a penetrating manner through the hollow sleeve, a plurality of connecting rods are uniformly and fixedly arranged at the periphery of one end of the extension rod, arc scraping plates are fixedly arranged at one ends of the connecting rods respectively and are respectively attached to the inner wall of the octagonal filter box, a spring is sleeved on the outer side of the upper end of the extension rod, one end of the spring is fixedly connected with the rotary drum, one end of the guide rod is fixedly arranged at the bottom of the hollow sleeve, one side of the middle of the rotary drum is fixedly clamped in the middle of the guide groove, one side of the rotary drum is fixedly connected with a guide rod, one side of the toothed plate is fixedly clamped in the middle of the toothed plate, one side of the rotary shaft is movabl