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CN-121974458-A - Sewage treatment secondary sedimentation tank sludge cleaning device

CN121974458ACN 121974458 ACN121974458 ACN 121974458ACN-121974458-A

Abstract

The invention belongs to the technical field of sewage treatment, and particularly discloses a sewage treatment secondary sedimentation tank sludge cleaning device which comprises an outer baffle and an ingress pipe, wherein an inner baffle is fixedly connected to the inner wall of the outer baffle, a fixed cavity is formed between the outer side of the inner baffle and the inner side of the outer baffle, a separation ring is fixedly connected to the inner wall of the fixed cavity, a water draining cavity is formed between the top of the separation ring and the fixed cavity, and a sludge draining cavity is formed between the bottom of the separation ring and the fixed cavity.

Inventors

  • HUANG FEIPENG
  • ZHANG LIN
  • ZHANG CHI
  • YU BIN
  • CHEN YUFAN
  • XU HAORAN

Assignees

  • 杭州市拱墅区工大未来技术研究院

Dates

Publication Date
20260505
Application Date
20260205

Claims (9)

  1. 1. The utility model provides a sewage treatment secondary sedimentation tank mud cleaning device, includes outer fender (1) and ingress pipe (3), its characterized in that, the inner wall fixedly connected with of outer fender (1) keeps off (101) in, the outside of keeping off (101) and the inboard of outer fender (1) form fixed chamber, the inner wall fixedly connected with spacer ring (104) in fixed chamber, form drainage chamber (103) between the top of spacer ring (104) and the fixed chamber, form between the bottom of spacer ring (104) and the fixed chamber and arrange mud chamber (105), the surface of outer fender (1) is provided with drain pipe (107) that are linked together with drainage chamber (103), the surface of outer fender (1) is provided with and arranges mud pipe (106) that are linked together with mud chamber (105), the inboard of inner fender (101) is provided with shunt structure (4), the inboard of inner fender (101) is provided with clear mud structure (2), the surface of inner fender (101) is seted up recess (108) that are linked together with mud chamber (105); the top surface height of interior fender (101) is less than the top surface height of outer fender (1), the inner wall fixedly connected with mounting panel (102) of interior fender (101), mounting panel (102) are located the top of interior fender (101).
  2. 2. The sewage treatment secondary sedimentation tank sludge cleaning device according to claim 1, wherein the diversion structure (4) comprises a mounting column (401) fixedly connected to the inner bottom wall of the inner baffle (101), one end of the ingress pipe (3) sequentially penetrates through the outer baffle (1), the inner baffle (101) and the mounting column (401) and is provided with evenly distributed exhaust ports (301), and the surface of the mounting column (401) is provided with exhaust grooves (403) communicated with the exhaust ports (301).
  3. 3. The sewage treatment secondary sedimentation tank sludge cleaning device according to claim 2, wherein a fixing ring (406) is fixedly connected to the surface of the mounting column (401), a plurality of mounting rings (405) which are arranged in three and coaxial are fixedly connected to the bottom of the fixing ring (406), the inner diameters of the mounting rings (405) are sequentially increased, through grooves (404) which are uniformly distributed are formed in the surface of the mounting rings (405), and guide plates (402) are fixedly connected between the two mounting rings (405).
  4. 4. The sewage treatment secondary sedimentation tank sludge cleaning device according to claim 1, wherein the sludge cleaning structure (2) comprises a first motor (203) arranged at the top of the mounting plate (102), an output shaft of the first motor (203) penetrates through the mounting plate (102) and is fixedly connected with a rotating block (204), a connecting rod (206) is fixedly connected to the surface of the rotating block (204), the cross section of the connecting rod (206) is L-shaped, and the other end of the connecting rod (206) is in sliding connection with the surface of the inner baffle (101).
  5. 5. The sewage treatment secondary sedimentation tank sludge cleaning device according to claim 4, wherein the sludge cleaning structure (2) further comprises a rotating ring (209) which is rotatably connected to the inner side of the inner baffle (101), the bottom of the rotating ring (209) is fixedly connected with a connecting block (208), one side of the connecting block (208) is fixedly connected with a scraper blade (212), the bottom surface of the scraper blade (212) is contacted with the bottom surface of the inner baffle (101), and a uniformly distributed mounting rod (207) is fixedly connected between the top of the connecting block (208) and the rotating ring (209) and the bottom of the connecting rod (206).
  6. 6. The sewage treatment secondary sedimentation tank sludge cleaning device according to claim 5, wherein an installation cavity (213) is formed in the connection block (208), an introduction channel (211) communicated with the installation cavity (213) is formed in the surface of the connection block (208), a second motor (214) is arranged in the connection block (208), a rotating shaft (215) is fixedly connected to an output shaft of the second motor (214), the other end of the rotating shaft (215) penetrates through the installation cavity (213) and is rotationally connected with the inner wall of the connection block (208), a torque sensor (218) for detecting torque of the rotating shaft (215) is arranged on the surface of the rotating shaft (215), and the diameter of the installation cavity (213) gradually decreases along with being far away from the second motor (214).
  7. 7. The sewage treatment secondary sedimentation tank sludge cleaning device according to claim 6, wherein the inner wall of the installation cavity (213) is fixedly connected with a filter screen (221), an introduction hole communicated with the introduction channel (211) is formed on the surface of the filter screen (221), and a spiral conveying plate (216) positioned inside the filter screen (221) is fixedly connected with the surface of the rotating shaft (215).
  8. 8. The sewage treatment secondary sedimentation tank sludge cleaning device according to claim 7, wherein the top of the connecting block (208) is provided with a drain hole (220) communicated with the installation cavity (213), the inside of the installation rod (207) is provided with a drain channel (223) communicated with the drain hole (220), the inside of the connecting rod (206) is provided with a connecting channel (205), the drain hole (220) is communicated with the connecting channel (205) through the drain channel (223), the bottom of the connecting rod (206) is provided with overflow ports (217) which are uniformly distributed and are communicated with the connecting channel (205), and the inside of the drain channel (223) is provided with a water pump (222).
  9. 9. The sewage treatment secondary sedimentation tank sludge cleaning device according to claim 8, wherein a sludge discharge channel (210) is provided in the rotary ring (209), a lead-out opening (219) communicated with the sludge discharge channel (210) is provided on the surface of the connecting block (208), a connecting groove (202) is provided on the inner side of the inner baffle (101), discharge holes (201) which are uniformly distributed and are communicated with the groove (108) are provided on the inner wall of the connecting groove (202), the sludge discharge channel (210) is communicated with the connecting groove (202), and a connecting hole communicated with the sludge discharge channel (210) is provided on the surface of the filter screen (221).

Description

Sewage treatment secondary sedimentation tank sludge cleaning device Technical Field The invention belongs to the technical field of sewage treatment, and particularly discloses a sewage treatment secondary sedimentation tank sludge cleaning device. Background The secondary sedimentation tank is an important component of the activated sludge system, and mainly has the functions of clarifying, concentrating and refluxing the mixed liquor to separate the activated sludge. Specifically, the secondary sedimentation tank is used for redeposition of water treated by the previous working procedure of the activated sludge process, supernatant overflows, and sludge is settled and separated, which is an essential link of the traditional activated sludge process and has important significance for ensuring the quality of effluent water; At present, sludge deposited in the secondary sedimentation tank is mainly discharged in a mode of pumping by a sludge pump, but the water content of the pumped sludge is larger, and the subsequent treatment difficulty is increased, so that a sewage treatment secondary sedimentation tank sludge cleaning device is provided by a person skilled in the art. Disclosure of Invention In view of the above, the invention aims to provide a sewage treatment secondary sedimentation tank sludge cleaning device so as to solve the problem that the water content of the extracted sludge in the prior art greatly increases the subsequent treatment difficulty. In order to achieve the above purpose, the invention provides a sewage treatment secondary sedimentation tank sludge cleaning device, which comprises an outer baffle and an ingress pipe, wherein the inner wall of the outer baffle is fixedly connected with an inner baffle, the outer side of the inner baffle and the inner side of the outer baffle form a fixed cavity, the inner wall of the fixed cavity is fixedly connected with a separation ring, a water draining cavity is formed between the top of the separation ring and the fixed cavity, a sludge draining cavity is formed between the bottom of the separation ring and the fixed cavity, the surface of the outer baffle is provided with a water draining pipe communicated with the water draining cavity, the surface of the outer baffle is provided with a sludge draining pipe communicated with the sludge draining cavity, the inner side of the inner baffle is provided with a diversion structure, the inner side of the inner baffle is provided with a sludge cleaning structure, and the surface of the inner baffle is provided with a groove communicated with the sludge draining cavity; the top surface height of interior fender is less than the top surface height of outer fender, the inner wall fixedly connected with mounting panel of interior fender, the mounting panel is located the top of interior fender. In the above technical scheme, preferably, the flow dividing structure comprises a mounting column fixedly connected to the inner wall of the inner baffle, one end of the ingress pipe sequentially penetrates through the outer baffle, the inner baffle and the mounting column and is provided with evenly distributed exhaust ports, and the surface of the mounting column is provided with exhaust grooves communicated with the exhaust ports. In the above technical scheme, preferably, the fixed ring is fixedly connected with on the surface of erection column, the bottom fixedly connected with of fixed ring is three and the coaxial collar that sets up, the internal diameter of collar increases gradually in proper order, evenly distributed's logical groove has been seted up on the surface of collar, two fixedly connected with baffle between the collar. In the above technical scheme, preferably, the mud cleaning structure comprises a first motor arranged at the top of the mounting plate, an output shaft of the first motor penetrates through the mounting plate and is fixedly connected with a rotating block, a connecting rod is fixedly connected to the surface of the rotating block, the cross section of the connecting rod is L-shaped, and the other end of the connecting rod is in sliding connection with the surface of the inner baffle. In the above technical scheme, preferably, the mud cleaning structure further comprises a rotating ring which is connected to the inner side of the inner baffle in a rotating manner, a connecting block is fixedly connected to the bottom of the rotating ring, a scraper is fixedly connected to one side of the connecting block, the bottom surface of the scraper is contacted with the bottom surface of the inner baffle, and a mounting rod which is uniformly distributed is fixedly connected between the top of the connecting block and the rotating ring and the bottom of the connecting rod. In the above technical scheme, preferably, the installation cavity has been seted up to the inside of connecting block, the import passageway that is linked together with the installation cavity has been seted up