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CN-119841474-B - Aeration and precipitation integrated treatment device for sewage treatment

CN119841474BCN 119841474 BCN119841474 BCN 119841474BCN-119841474-B

Abstract

The invention belongs to the technical field of sewage treatment and discloses an aeration and precipitation integrated treatment device for sewage treatment, which comprises a treatment box, wherein two side pipe bodies, a feeding pipe, a pump body and an air pump are fixedly arranged on the treatment box respectively, a partition plate is fixedly arranged inside the treatment box, through holes are uniformly formed in the partition plate, a plurality of aeration mechanisms are fixedly arranged on the partition plate and are communicated with an air inlet pipe group, the air inlet pipe group is communicated with the air pump, the aeration mechanisms comprise an upper shell, a lower barrel, a rotating shaft, an impeller, a plurality of connecting frames, an annular frame and a plurality of air outlet pipes, the upper shell is fixedly communicated with the air inlet pipe group through the lower barrel, the lower barrel is fixedly arranged on the partition plate, the rotating shaft is rotatably arranged in the upper shell, and the impeller is fixedly arranged on the rotating shaft.

Inventors

  • WANG RUN
  • WANG SHUPING
  • CHU GUOBIN
  • SUN XIAOSEN
  • Sun Wennuan
  • TANG WEI

Assignees

  • 烟台德实环保工程有限公司

Dates

Publication Date
20260505
Application Date
20250210

Claims (6)

  1. 1. The utility model provides an aeration sediment integrated treatment device for sewage treatment, including treatment box (1), be provided with two side body (2), throw material pipe (3), pump body (4) and air pump (5) on treatment box (1) respectively fixedly, the inside of treatment box (1) is fixedly provided with baffle (6), evenly seted up round hole (7) on baffle (6), still fixedly provided with a plurality of aeration mechanisms on baffle (6), a plurality of aeration mechanisms jointly with intake pipe group (8) intercommunication setting, intake pipe group (8) and air pump (5) intercommunication setting; The aeration mechanism is characterized by comprising an upper shell (10), a lower cylinder (11), a rotating shaft (12), an impeller (13), a plurality of connecting frames (14), an annular frame (15) and a plurality of air outlet pipes (16), wherein the upper shell (10) is fixedly and then communicated with an air inlet pipe group (8) through the lower cylinder (11), the lower cylinder (11) is fixedly arranged on a partition plate (6), the rotating shaft (12) is rotatably arranged in the upper shell (10), the impeller (13) is fixedly arranged on the rotating shaft (12), the impeller (13) is fixedly arranged on the annular frame (15) through the plurality of connecting frames (14), the annular frame (15) is in rotary fit with the upper shell (10), a plurality of air outlet pipes (16) are fixedly arranged on the outer side of the upper shell (10), a plurality of through holes (17) are sequentially formed in the annular frame (15), the area of the through holes (17) is linearly changed along the circumferential direction of the annular frame (15), a pressure release valve (18) and a one-way valve (19) are fixedly arranged in the inner part of the air outlet pipe (16), and the one-way valve (18) is positioned between the pressure release valve (19) and the upper shell (10); The areas of the through holes (17) are sequentially increased along the anticlockwise direction on the annular frame (15) by taking the through hole (17) with the smallest area as a starting point; Two outer plate bodies (20) and two inner plate bodies (21) are fixedly arranged in the air outlet pipe (16), the two inner plate bodies (21) are positioned between the two outer plate bodies (20), an outer cavity (22) is formed between the two outer plate bodies (20) and the air outlet pipe (16), a middle cavity (23) is formed between the two outer plate bodies (20), the two inner plate bodies (21) and the air outlet pipe (16), and an inner cavity (24) is formed between the two inner plate bodies (21) and the air outlet pipe (16); the through holes (17) are arranged in three, the longitudinal dimension of the through hole (17) with the largest area is larger than or equal to the diameter dimension of the air outlet pipe (16), the longitudinal dimension of the through hole (17) with the middle area is equal to the longitudinal dimension between the two outer plate bodies (20), and the longitudinal dimension of the through hole (17) with the smallest area is equal to the longitudinal dimension between the two inner plate bodies (21).
  2. 2. The integrated aeration and sedimentation treatment device for sewage treatment according to claim 1, wherein the round hole (7) has a conical overall shape, and the tip of the conical round hole (7) faces the bottom of the treatment tank (1).
  3. 3. The integrated aeration and sedimentation treatment device for sewage treatment according to claim 1, wherein the radius of the end of the lower cylinder (11) close to the upper shell (10) is smaller than the radius of the end of the lower cylinder (11) far away from the upper shell (10).
  4. 4. The aeration and precipitation integrated treatment device for sewage treatment according to claim 1, wherein an auxiliary mechanism is further arranged in the upper shell (10), the auxiliary mechanism comprises a driving gear (25), a plurality of driven gears (26), a plurality of driven shafts (27) and a plurality of stirring rods (28), the driving gear (25) is fixedly arranged on the rotating shaft (12), the driving gear (25) is in meshed fit with the driven gears (26), the driven gears (26) are respectively fixedly arranged on the driven shafts (27), the driven shafts (27) are respectively and rotatably arranged on the upper shell (10), and the stirring rods (28) are respectively and fixedly arranged on the driven shafts (27).
  5. 5. An aeration and sedimentation integrated treatment device for sewage treatment according to claim 4, wherein the radius of the driving gear (25) is larger than the radius of the driven gear (26).
  6. 6. An aeration and sedimentation integrated treatment device for sewage treatment according to claim 5, wherein two installation chambers (9) are formed in the upper casing (10), wherein a driving gear (25) and a plurality of driven gears (26) in the auxiliary mechanism are all positioned in the upper installation chamber (9), a rotating shaft (12), an impeller (13), a plurality of connecting frames (14) and an annular frame (15) in the aeration mechanism are all positioned in the lower installation chamber (9), and an air outlet pipe (16) is communicated with the lower installation chamber (9).

Description

Aeration and precipitation integrated treatment device for sewage treatment Technical Field The invention belongs to the technical field of sewage treatment, and particularly relates to an aeration and precipitation integrated treatment device for sewage treatment. Background In the sewage treatment process, sewage is required to be conveyed into a tank body or the inside of a box body, then a flocculating agent is added into the inside of the sewage, so that substances in the sewage are flocculated and then deposited, in order to further accelerate the flocculation process, an air channel is used for conveying outside air into the inside of the sewage by virtue of an aeration device, on one hand, the mixing of the flocculating agent and the sewage can be accelerated, on the other hand, oxygen required in the treatment process can be provided for the sewage, but the conventional aeration device is used for directly sucking the externally connected air into the inside of the sewage by virtue of an air pump, for example, according to the patent document with the authorized bulletin number of 'CN 115583734B', a rotary aeration device and an aeration method for sewage treatment are disclosed, the rotary aeration device comprises a shell, a rotary rod which is connected to the top surface of the shell and is close to the middle position, and two air inlet connecting pipes which are symmetrically connected to the inner bottom surface of the shell. Disclosure of Invention Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the aeration and precipitation integrated treatment device for sewage treatment, which effectively solves the problem that the conventional aeration device directly pumps external air into sewage through an air pump, so that the aeration range is limited. In order to achieve the aim, the invention provides the technical scheme that the aeration and precipitation integrated treatment device for sewage treatment comprises a treatment box, wherein two side pipe bodies, a feeding pipe, a pump body and an air pump are fixedly arranged on the treatment box respectively, a baffle plate is fixedly arranged in the treatment box, round holes are uniformly formed in the baffle plate, a plurality of aeration mechanisms are fixedly arranged on the baffle plate, the aeration mechanisms are communicated with an air inlet pipe group together, and the air inlet pipe group is communicated with the air pump; The aeration mechanism comprises an upper shell, a lower cylinder, a rotating shaft, an impeller, a plurality of connecting frames, an annular frame and a plurality of air outlet pipes, wherein the upper shell is fixedly communicated with the air inlet pipe group through the lower cylinder, the lower cylinder is fixedly arranged on a partition plate, the rotating shaft is rotationally arranged in the upper shell, the impeller is fixedly arranged on the rotating shaft, the impeller is fixedly arranged with the annular frame through the plurality of connecting frames, the annular frame is in rotary fit with the upper shell, the plurality of air outlet pipes are fixedly arranged on the outer side of the upper shell, a plurality of through holes are sequentially formed in the annular frame, the area of the through holes linearly changes along the circumferential direction of the annular frame, a pressure relief valve and a one-way valve are fixedly arranged in the air outlet pipe, and the pressure relief valve is positioned between the one-way valve and the upper shell. Preferably, the round hole has a conical overall shape, and the tip of the conical round hole faces the bottom of the treatment tank. Preferably, the radius of the end, close to the upper shell, of the lower cylinder is smaller than that of the end, far away from the upper shell, of the lower cylinder. Preferably, the through holes with the smallest area are taken as starting points, and the areas of the through holes are sequentially increased along the anticlockwise direction on the annular frame. Preferably, the inside of outlet duct still is fixed and is provided with two planking bodies and two inner panel bodies, and two inner panel bodies are located between two planking bodies, wherein forms outer cavity between two planking bodies and the outlet duct, forms well cavity between two planking bodies, two inner panel bodies and the outlet duct, forms interior cavity between two inner panel bodies and the outlet duct. Preferably, the three through holes are arranged, the longitudinal dimension of the through hole with the largest area is larger than or equal to the diameter dimension of the air outlet pipe, the longitudinal dimension of the through hole with the middle area is equal to the longitudinal dimension between the two outer plate bodies, and the longitudinal dimension of the through hole with the smallest area is equal to the longitudinal dimension between the two inner plate bodies. Pref