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CN-121971915-A - Sewage treatment plant secondary sedimentation tank effluent weir adds lid edulcoration device

CN121971915ACN 121971915 ACN121971915 ACN 121971915ACN-121971915-A

Abstract

The invention discloses a capping and impurity removing device for a secondary sedimentation tank water outlet weir of a sewage treatment plant, which relates to the field of sewage treatment plants and solves the problem that the existing capping and impurity removing device is easy to cause filter screen blockage, and comprises a device shell and three filter cartridges, wherein a top cover is arranged at the top of each filter cartridge, a water inlet pipe is arranged at the outer side of each filter cartridge, a plurality of filter screens which are symmetrically distributed in the center are fixedly arranged at the outer side of each filter cartridge, and two water drainage pipes are arranged at the bottom of the device shell; the device also comprises a impurity removing mechanism, wherein the impurity removing mechanism is used for extruding and draining algae and impurities in the filter cartridge, the impurity removing mechanism is arranged on the inner side of the filter cartridge, the impurity removing mechanism comprises two pressing plates symmetrically arranged on the inner side of the filter cartridge, the two pressing plates can downwards press the impurities in the filter cartridge away from the filter screen, and the algae impurities are concentrated between the bottom of the filter cartridge and the inner wall of the bottom of the device shell in a cake shape through the impurity removing mechanism, so that the algae impurities can be concentrated and recovered, and the impurity removing and blocking preventing effects are achieved.

Inventors

  • HUANG FEIPENG
  • ZHANG LIN
  • YU BIN
  • ZHANG SHUN

Assignees

  • 杭州市拱墅区工大未来技术研究院

Dates

Publication Date
20260505
Application Date
20260306

Claims (10)

  1. 1. The device is characterized by comprising a device shell (1) and three filter cartridges (2) arranged on the inner side of the device shell (1), wherein a top cover (3) is arranged at the top of each filter cartridge (2), a water inlet pipe (4) is arranged on the outer side of each filter cartridge (2), a plurality of filter screens (43) which are distributed in a central symmetry manner are fixedly arranged on the outer side of each filter cartridge (2), and two water draining pipes (5) are arranged at the bottom of the device shell (1); Further comprises: The impurity removing mechanism is used for extruding and draining algae and impurities in the filter cartridge (2), the impurity removing mechanism is arranged on the inner side of the filter cartridge (2), the impurity removing mechanism comprises two pressing plates (6) arranged on the inner side of the filter cartridge (2), and the two pressing plates (6) can downwards press the impurities in the filter cartridge (2) away from the filter screen (43); The plate collecting mechanism is used for folding and moving up the two pressing plates (6), is arranged on the inner side of the top cover (3) and comprises a fixed cylinder (7) arranged on the top of the top cover (3), and the fixed cylinder (7) can enable the two pressing plates (6) to be folded to avoid the inner side of the filter cylinder (2); Sealing mechanism, be used for right sealed row of cartridge filter (2) side material, sealing mechanism install in the outside of cartridge filter (2), sealing mechanism include a plurality of set up in closing plate (8) in cartridge filter (2) outside, closing plate (8) can be right filter screen (43) shelter from sealedly.
  2. 2. The secondary sedimentation tank effluent weir capping and impurity removing device of a sewage treatment plant according to claim 1, wherein the impurity removing mechanism further comprises a mounting cylinder (9) mounted at the top of the top cover (3), a sleeve (10) is arranged on the inner side of the mounting cylinder (9), a push rod (11) is slidably mounted on the inner side of the sleeve (10), a push plate (12) is fixedly mounted at one end of the push rod (11), mounting grooves are formed in two ends of the push plate (12), the press plate (6) is hinged and assembled in the mounting grooves of the push plate (12), an electric telescopic rod (13) is mounted at the top of the mounting cylinder (9), two baffle plates (14) are fixedly mounted between the three filter cylinders (2), a triangular baffle plate (15) is fixedly mounted between the two baffle plates (14), a discharge cylinder (16) is mounted at the bottom of the device shell (1), a sealing ring (17) is mounted between the three water inlet pipes (4), a water injection pipe (18) is mounted on the outer side of the device shell (1), and a driving assembly is further arranged at the bottom of the device shell (1).
  3. 3. The secondary sedimentation tank effluent weir capping and impurity removing device of a sewage treatment plant according to claim 2, wherein the collecting plate mechanism further comprises a tension spring (19) arranged between the mounting cylinder (9) and the sleeve (10), two first connecting rods (20) are hinged at the bottom of the sleeve (10), one ends of the first connecting rods (20) are hinged with second connecting rods (21), the other ends of the two second connecting rods (21) are hinged with the tops of the two pressing plates (6) respectively, a pushing block (22) is fixedly arranged at one end of the pushing rod (11), a sliding plate (23) is arranged at the outer side of the pushing rod (11), the sliding plate (23) is slidably arranged at the inner side of the sleeve (10), a spring (24) is arranged between the bottom of the sliding plate (23) and the inner side of the sleeve (10), a sliding cylinder (25) is arranged at the outer side of the sleeve (10), a copper pipe (25) is slidably arranged at the inner side of the mounting cylinder (9), and a copper pipe (25) is slidably arranged at the inner side of the sliding cylinder (25).
  4. 4. The secondary sedimentation tank effluent weir capping and impurity removing device of a sewage treatment plant according to claim 3, wherein the sealing mechanism further comprises a first rotating ring (28) rotatably installed on the outer side of the filter cartridge (2), the top of the sealing plate (8) is installed at the bottom of the first rotating ring (28), a second rotating ring (29) is rotatably installed on the outer side of the filter cartridge (2), the bottom of the sealing plate (8) is fixedly installed at the top of the second rotating ring (29), a mounting ring (30) is fixedly installed at the top of the first rotating ring (28), a plurality of first pushing teeth (31) are fixedly installed on the outer side of the mounting ring (30), the number of the first pushing teeth (31) corresponds to the number of the sealing plate (8), and two second pushing teeth (32) are fixedly installed on the inner side of the device shell (1).
  5. 5. The secondary sedimentation tank effluent weir capping and impurity removing device of a sewage treatment plant according to claim 1, wherein a guide plate (33) is fixedly arranged on the inner side of the water inlet pipe (4), and one side of the guide plate (33) away from the filter cartridge (2) is of an inclined surface structure.
  6. 6. The secondary sedimentation tank effluent weir capping and impurity removing device for a sewage treatment plant according to claim 2, wherein a top plate (34) is arranged between the three filter cartridges (2), and the outer side of the top plate (34) is contacted with the inner side of the device shell (1).
  7. 7. The secondary sedimentation tank effluent weir capping and impurity removing device of a sewage treatment plant according to claim 2, wherein the driving assembly comprises a supporting underframe (35) arranged at the bottom of the device shell (1), a driving motor (36) is arranged at the top of the supporting underframe (35), a rotating rod (37) is fixedly arranged at the bottom of the baffle plate (14) and positioned at the bottom of the triangular baffle plate (15), and a transmission gear (38) matched with the output end of the driving motor (36) is fixedly arranged at the outer side of the rotating rod (37).
  8. 8. The secondary sedimentation tank effluent weir capping and impurity removing device of a sewage treatment plant according to claim 7, wherein a positioning frame (39) is arranged at the top of the supporting underframe (35), a storage cylinder (40) is arranged on the inner side of the positioning frame (39), and the top of the storage cylinder (40) is contacted with the bottom of the discharge cylinder (16).
  9. 9. The secondary sedimentation tank effluent weir capping and impurity removing device for a sewage treatment plant according to claim 4, wherein a rubber flitch (41) is fixedly arranged on one side of the sealing plate (8).
  10. 10. The secondary sedimentation tank effluent weir capping and impurity removing device of a sewage treatment plant according to claim 4, wherein the inner sides of the first swivel (28) and the second swivel (29) are respectively provided with a positioning shaft (42), and the outer side of the filter cartridge (2) is provided with an annular groove.

Description

Sewage treatment plant secondary sedimentation tank effluent weir adds lid edulcoration device Technical Field The invention relates to the field of sewage treatment plants, in particular to a capping and impurity removing device for a secondary sedimentation tank effluent weir of a sewage treatment plant. Background The secondary sedimentation tank water outlet weir is an important component part in a secondary sedimentation tank of a sewage treatment plant, is mainly used for uniformly collecting clarified water and controlling the water level in the tank, ensures that the clarified water uniformly flows out of the tank surface, avoids sludge from being carried out due to too fast short flow or local flow velocity, maintains the stable water level in the secondary sedimentation tank, ensures the sedimentation effect, and directly influences the water quality of effluent and the sedimentation effect in design, installation and maintenance. The secondary sedimentation tank goes out the water weir and is general the state that does not have the shelter from all around, because the irradiation of sunshine, easily breeds the alga, cause the condition that the weir mouth blockked up, and the rotten water COD and the stink of also can increase after the alga death, usually adopt the mode of capping to block sunshine, inhibit the algae growth, but still can produce a large amount of algae and impurity in the water weir, need clear up, current water weir adds the edulcoration device and drives the pivot through the motor and rotate, the pivot drives the revolving plate and strain a section of thick bamboo rotation, when removing the algae, sewage enters into the section of thick bamboo inside, sewage can filter through a plurality of filtration holes and filter screen, enter into the box inside, algae and impurity are left in the section of thick bamboo inside, and the section of thick bamboo rotates, can thoroughly throw away the moisture in the algae, although can separate algae and water fast, but because the centrifugal force that the section of thick bamboo rotation produced can make the algae diffuse in the inboard of a section of thick bamboo, the condition that the easy appears the alga blocks the filtration pore, be difficult to guarantee subsequent drainage. Disclosure of Invention The invention aims to provide a capping and impurity removing device for a secondary sedimentation tank effluent weir of a sewage treatment plant, which aims to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: A device for removing impurities from a water outlet weir of a secondary sedimentation tank of a sewage treatment plant comprises a device shell and three filter cylinders which are arranged on the inner side of the device shell in a central symmetry mode, wherein a top cover is fixedly arranged on the top of each filter cylinder, a water inlet pipe is fixedly arranged on the outer side of each filter cylinder, a plurality of filter screens which are distributed in a central symmetry mode are fixedly arranged on the outer side of each filter cylinder, two drain pipes are fixedly arranged at the bottom of the device shell, a impurity removing mechanism is used for extruding and draining algae and impurities in each filter cylinder, the impurity removing mechanism is arranged on the inner side of each filter cylinder, the impurity removing mechanism comprises two pressing plates which are symmetrically arranged on the inner side of each filter cylinder, the two pressing plates can downwards press impurities in each filter cylinder away from the corresponding filter screens, a plate collecting mechanism is used for folding up moving the two pressing plates, the plate collecting mechanism is arranged on the inner side of each top cover and comprises a fixing cylinder which is fixedly arranged on the top of the top cover, the fixing cylinders can enable the two pressing plates to avoid the inner sides of the folding plates, and the sealing mechanism is used for sealing the side of each filter cylinder to be arranged on the outer side of the filter cylinder, and the sealing mechanism is arranged on the outer side of each filter cylinder in a sealing mode and can be sealed. Preferably, the impurity removing mechanism further comprises a mounting cylinder fixedly mounted at the top of the top cover, a sleeve is arranged on the inner side of the mounting cylinder, a push rod is slidably mounted on the inner side of the sleeve, a push plate is fixedly mounted at one end of the push rod away from the sleeve, mounting grooves are formed in two ends of the push plate, a pressing plate is hinged and assembled in the mounting grooves of the push plate, an electric telescopic rod is fixedly mounted at the top of the mounting cylinder, two symmetrically distributed baffles are fixedly mounted between the three filter cylinders, a tria