CN115350512A - Aeration grit chamber - Google Patents
Aeration grit chamber Download PDFInfo
- Publication number
- CN115350512A CN115350512A CN202211169566.8A CN202211169566A CN115350512A CN 115350512 A CN115350512 A CN 115350512A CN 202211169566 A CN202211169566 A CN 202211169566A CN 115350512 A CN115350512 A CN 115350512A
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- Prior art keywords
- aeration
- pipe
- sand
- main
- slag
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- 238000005273 aeration Methods 0.000 title claims abstract description 158
- 239000004576 sand Substances 0.000 claims abstract description 83
- 239000002893 slag Substances 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 239000013049 sediment Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims 2
- 210000003437 trachea Anatomy 0.000 claims 1
- 239000010865 sewage Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0084—Enhancing liquid-particle separation using the flotation principle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2433—Discharge mechanisms for floating particles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention discloses an aeration grit chamber, which comprises a chamber body; the slag blocking grating plate is fixedly arranged in the tank body so as to divide the inner cavity of the tank body into a scum area and an aeration sand settling area which are arranged side by side from left to right, and the aeration sand settling area is divided into an aeration area and a sand settling area; the aeration system comprises a first main aeration pipe and a first branch aeration pipe, the first main aeration pipe is fixedly arranged in the aeration area, and the left end of the first branch aeration pipe is communicated with the first main aeration pipe and is respectively connected and communicated with the aeration area; the sand suction system comprises a linear driving mechanism, an air source, a sand suction pump and a sand suction pipeline; the slag suction system comprises a slag suction pump and a slag suction pipeline, the slag suction pump is fixed at the output end of the linear driving mechanism, the air cavity of the slag suction pump is connected with the output port of the air source, the inlet of the slag suction pump is connected and communicated with the slag suction outlet of the slag suction pipeline, and the slag suction inlet of the slag suction pipeline extends into the scum area; the aeration grit chamber has good sand and slag removing effects.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an aeration grit chamber.
Background
The working principle of the grit chamber is based on gravity separation, so that inorganic particles with high specific gravity sink, and organic suspended particles can be taken away along with water flow. Two types of grit chambers commonly used in practical engineering are cyclone grit chambers and aeration grit chambers. The cyclone sand settling tank has the advantages of good sand removing effect and small occupied area, and has the defects that inorganic sand can be removed only, but scum in sewage cannot be removed. The aeration grit chamber has the advantages of long retention time, cleaner sand grains after aeration and scrubbing, and scum skimming function.
Sewage treatment plant preliminary treatment workshop section aeration grit chamber, aeration effect part inorganic particle sinks, and partial suspended particle can the come-up produce a large amount of dross, only relies on artifical handheld simple and easy instrument regularly to salvage, not only wastes time and energy but also the dross volume of remaining is more, influences one process down and handles.
At present, a scum tank of an aeration grit chamber of a sewage treatment plant usually adopts a reinforced concrete tank body, a scum discharge pipe is embedded, and scum in a scum area is scraped into a scum well through a scum board in the movement of the scum area, so that the scum is removed. However, in actual use, the water yield change can lead to the liquid level change, and then often appear the dross groove and scrape the slag plate elevation and mismatch, can't collect the dross, and then need the condition of artifical salvage.
Disclosure of Invention
The invention aims to overcome the defects and provides the aeration grit chamber and the navigation method, which have better sand and slag removing effects.
The invention provides an aeration grit chamber, which comprises a chamber body; the slag blocking grating plate is fixedly arranged in the tank body so as to divide the inner cavity of the tank body into a scum area and an aeration grit area which are arranged side by side from left to right, and the aeration grit area is sequentially divided into an aeration area and a grit area from top to bottom; the aeration system comprises a first aeration system, the first aeration system comprises a first main aeration pipe and a plurality of first branch aeration pipes, one end of the first main aeration pipe is fixedly arranged on the right side wall of the aeration area, the left ends of the first branch aeration pipes are connected and communicated with the first main aeration pipe, and the right ends of the first branch aeration pipes are respectively connected and communicated with the aeration area; the sand suction system comprises a linear driving mechanism, an air source, a sand suction pump and a sand suction pipeline, the linear driving mechanism is fixedly arranged on the tank body, the sand suction pump and the air source are respectively and fixedly arranged on the output end of the linear driving mechanism, the inlet of the sand suction pump is connected and communicated with the sand suction outlet of the sand suction pipeline, the sand suction inlet of the sand suction pipeline extends into the sand setting area, and the output port of the air source is connected and communicated with the air cavity of the sand suction pump through a sand suction air pipe; and the slag suction system comprises a slag suction pump and a slag suction pipeline, the slag suction pump is fixed at the output end of the linear driving mechanism, an air cavity of the slag suction pump is connected and communicated with an output port of an air source through a sand suction air pipe, an inlet of the slag suction pump is connected and communicated with a slag suction outlet of the slag suction pipeline, the outlet is used for being connected into the scum well, and a slag suction inlet of the slag suction pipeline extends into the scum area.
Further, aeration systems still includes second aeration systems, second aeration systems includes that second aeration is responsible for and a plurality of second aeration branch pipe, second aeration is responsible for fixedly setting up on the lateral wall in grit zone, the lower extreme of a plurality of second aeration branch pipes is responsible for fixed connection and intercommunication with the second aeration, upper end and grit zone intercommunication, the lower right side rivers rebound of inner chamber in the second aeration systems drive pond, the upper right side rivers that lie in the first aeration systems drive pond inner chamber in the upper right of second aeration systems simultaneously move left, make rivers form anticlockwise rotation's swirl.
Further, the right side wall of aeration zone comprises guide wall and the wall body that top-down connected gradually, and the guide wall is the arc, and the right downside rivers of inner chamber in the pond upwards remove under second aeration system's drive, flow direction guide wall to remove to the left side of inner chamber in the pond under the guide effect of guide wall, make rivers form anticlockwise pivoted swirl.
Furthermore, the right arm of the sand settling zone is composed of an arc transition section, a first inclined section and a second inclined section which are sequentially connected from top to bottom, and the inclination angle of the first inclined section is smaller than that of the second inclined section.
Further, the second main aeration pipe is fixedly arranged on the first inclined section.
Furthermore, the aeration system also comprises a third aeration system, the third aeration system comprises a third aeration main pipe and a plurality of third aeration branch pipes, the third aeration main pipe is fixedly arranged in the scum area, the upper ends of the plurality of third aeration main pipes are connected and communicated with the third aeration main pipe, and the lower ends of the plurality of third aeration main pipes are communicated with the scum area.
Further, the linear driving mechanism comprises two linear transmission parts, a moving frame, a rotary transmission part and a rotary driving source, the two linear transmission parts are respectively arranged on the left side wall and the right side wall of the tank body, each linear transmission part comprises a chute formed on one side wall of the tank body, a sliding block slidably mounted in the chute, and a screw rod rotatably mounted in the chute and in threaded connection with the sliding block; the movable frame forms the output end of the linear driving mechanism, two ends of the movable frame are fixedly connected with the two sliding blocks respectively, the rotary rotating part comprises two synchronizing wheels which are coaxially and fixedly installed at the end parts of the screws respectively and a synchronous belt which is synchronously connected with the two synchronizing wheels, and the output end of the rotary driving source is coaxially and fixedly connected with the output end of one of the screws.
Further, inhale the sediment pipeline and include the connecting pipe and inhale the sediment and be responsible for, the lower extreme of connecting pipe has the internal thread, inhales the upper end that the sediment was responsible for and has the external screw thread, the connecting pipe with inhale the sediment and be responsible for threaded connection.
Furthermore, a sand suction electromagnetic valve is arranged on the sand suction air pipe, and a slag suction electromagnetic valve is arranged on the slag suction air pipe.
The invention has the beneficial effects that: the aeration grit chamber has good sand removing effect and high sand removing efficiency; the scum can be quickly concentrated to a scum area, and the settled sand is concentrated to a sand settling area; simultaneously, can replace the scum board through inhaling the sediment pipeline and absorb the dross to the dross well, need not artifical scum to can adjust the height that the dross was imported according to the dross liquid level, the slagging-off is effectual.
Drawings
FIG. 1 is a schematic view showing the construction of an aerated grit chamber in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a slag suction pipeline in an embodiment of the invention.
In the figure, 1 is a tank body, 2 is a slag blocking grid plate, 3 is a scum area, 4 is an aeration area, 5 is a sand setting area, 6 is a guide wall, 7 is an arc transition section, 8 is a first inclined section, 9 is a second inclined section, 10 is a first aeration main pipe, 11 is a first aeration main pipe, 12 is a first aeration branch pipe, 13 is a second aeration main pipe, 14 is a second aeration branch pipe, 15 is a third aeration main pipe, 16 is a third aeration branch pipe, 17 is a slide block, 18 is a screw rod, 19 is a movable frame, 20 is a roots fan, 21 is a sand suction pump, 22 is a sand suction pipeline, 23 is a slag suction pump, 24 is a slag suction pipeline, 25 is a sand suction air pipe, 26 is a slag suction air pipe, 27 is a connecting pipe, 28 is a slag suction main pipe, 29 is a sand suction electromagnetic valve, and 30 is a slag suction electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural view of an aerated grit chamber in an embodiment of the present invention.
As shown in fig. 1, an aerated grit chamber in the present embodiment includes: the tank comprises a tank body 1, a slag blocking grid plate 2, an aeration system, a sand suction system and a slag suction system.
The slag blocking grating plate 2 is fixedly arranged in the tank body 1 so as to divide the inner cavity of the tank body 1 into a scum area 3 and an aeration sand settling area which are arranged side by side from left to right, and the aeration sand settling area is sequentially divided into an aeration area 4 and a sand settling area 5 which are communicated with each other from top to bottom.
The right side wall of the aeration zone 4 is composed of a guide wall 6 and a wall body which are sequentially connected from top to bottom, and the guide wall 6 is arc-shaped.
The right arm of the sand settling zone 5 is composed of an arc transition section 7, a first inclined section 8 and a second inclined section 9 which are sequentially connected from top to bottom, and the inclination angle of the first inclined section 8 is smaller than that of the second inclined section 9.
The aeration system comprises a first aeration system, a second aeration system and a third aeration system.
The first aeration system includes a first aeration main 10 and a plurality of first aeration parts. The length direction of the first aeration main pipe 10 is parallel to the length direction of the tank body 1, and the inlet of the first aeration main pipe is connected and communicated with an aeration source. The plurality of first aeration portions are sequentially arranged along the length direction of the first aeration main pipe 10, and each first aeration portion comprises a first aeration main pipe 11 and a plurality of first aeration branch pipes 12. The upper end of the first main aeration pipe 11 is connected and communicated with the first main aeration pipe 10, and the lower end is fixedly arranged at the upper part of the wall body. The plurality of first aeration branch pipes 12 are sequentially arranged along the longitudinal direction, the left end of each first aeration branch pipe 12 is connected and communicated with the first main aeration pipe 11, and the right end thereof is respectively connected and communicated with the aeration zone 4.
The second aeration system comprises a second main aeration pipe 13 and a plurality of second branch aeration pipes 14, wherein the second main aeration pipe 13 is fixedly arranged on the first inclined section 8 of the grit zone 5, and the length direction of the second main aeration pipe is parallel to the length direction of the tank body 1. The plurality of second aeration branch pipes 14 are distributed in a rectangular array, the lower end of each second aeration branch pipe 14 is fixedly connected and communicated with the second main aeration pipe 13, and the upper end is communicated with the sand settling zone 5.
The third aeration system comprises a third main aeration pipe 15 and a plurality of third branch aeration pipes 16, the third main aeration pipe 15 is fixedly arranged in the scum area 3, the length direction of the third main aeration pipe is parallel to the length direction of the pool body 1, the third main aeration pipes 15 are sequentially arranged along the length direction of the third main aeration pipe 15, the upper end of each third main aeration pipe 15 is connected and communicated with the third main aeration pipe 15, and the lower end of each third main aeration pipe 15 is communicated with the scum area 3.
The sand suction system comprises a linear driving mechanism, an air source, a sand suction pump and a sand suction pipeline 22.
The linear driving mechanism is fixedly arranged on the tank body 1 and comprises two linear transmission parts, a movable frame 19, a rotary transmission part and a rotary driving source. The two linear transmission parts are respectively arranged on the left side wall and the right side wall of the tank body 1, and each linear transmission part comprises a sliding groove formed on one side wall of the tank body 1, a sliding block 17 slidably mounted in the sliding groove, and a screw 18 rotatably mounted in the sliding groove and in threaded connection with the sliding block 17. The movable frame 19 forms an output end of the linear driving mechanism, and two ends of the movable frame 19 are fixedly connected with the two sliding blocks 17 respectively. The rotary rotating part comprises two synchronous wheels which are respectively and coaxially and fixedly arranged at the end parts of the screw rods 18 and a synchronous belt which is used for synchronously connecting the two synchronous wheels. The rotary driving source is fixed on the wall of the tank body 1, and the output end of the rotary driving source is coaxially and fixedly connected with the output end of one screw 18. The rotary drive source is a motor. This is the prior art and will not be described herein.
The air source and the sand suction pump 21 are respectively and fixedly arranged on the output end of the linear driving mechanism.
The air source is a Roots blower 20.
The inlet of the sand suction pump 21 is connected and communicated with the sand suction outlet of the sand suction pipeline 22, the sand suction inlet of the sand suction pipeline 22 extends into the sand setting area 5, and the outlet of the air source is connected and communicated with the air cavity of the sand suction pump through the sand suction air pipe 25. The sand suction pipe 25 is provided with a sand suction electromagnetic valve 29.
The slag suction system comprises a slag suction pump 23 and a slag suction pipeline 24.
The slag suction pump 23 is fixed on the output end of the linear driving mechanism, the air cavity of the slag suction pump 23 is connected and communicated with the output port of the air source through a sand suction air pipe 25, and a slag suction electromagnetic valve 30 is arranged on the slag suction air pipe 26. The inlet of the slag suction pump 23 is connected and communicated with the slag suction outlet of the slag suction pipeline 24, and the outlet is used for connecting a scum well.
FIG. 2 is a schematic structural diagram of a slag suction pipeline in an embodiment of the invention.
As shown in fig. 2, the suction inlet of the suction pipeline 24 extends into the dross zone 3. The slag suction pipeline 24 comprises a connecting pipe 27 and a slag suction main pipe 28, wherein the lower end of the connecting pipe 27 is provided with internal threads, the upper end of the slag suction main pipe 28 is provided with external threads, and the connecting pipe 27 is in threaded connection with the slag suction main pipe 28 and is in sealing connection through a sealing ring. The height of the slag suction inlet can be adjusted by rotating the main slag suction pipe 28 relative to the connecting pipe 27.
The lower right side rivers rebound of inner chamber in the second aeration system drive pond, rivers flow direction guide wall 6 under guide and the drive effect of first aeration system right side through guide wall 6 again, remove to dross district 3 left, pass through the decurrent drive of third aeration system again, make rivers form anticlockwise rotation's swirl, utilize the vortex principle to make the sand setting concentrate to deposit in the grit chamber, degritting is efficient, compare in the aeration grit chamber of equal grit ability, can effectively less area.
Through first aeration systems, drive the impurity upflow that density is lighter for 1 inner chamber upside rivers of cell body constantly gather to dross district 3 through first aeration systems, make the dross constantly to 3 removals in dross district and accumulation, prevent that 4 tops in aeration district from having the dross to remain.
When the scum is required to be removed, the linear driving mechanism operates to drive the scum suction pipeline 24 to move along the length direction (front-back direction) of the pool body 1, the Roots blower 20 works, the sand suction electromagnetic valve 29 is closed, the scum suction electromagnetic valve 30 is opened, and the scum on the surface layer of the scum area 3 is subjected to air stripping through the scum suction pipeline 24 for subsequent treatment.
When sand needs to be discharged, the linear driving mechanism operates to drive the sand suction pipeline 22 to move along the length direction (front-back direction) of the tank body 1, the Roots blower 20 works, the slag suction electromagnetic valve 30 is closed, the sand suction electromagnetic valve 29 is opened, and scum in the sand setting area 5 is air-lifted through the sand suction pipeline 22 for subsequent treatment.
In summary, the specific application examples of the present invention do not limit the scope of the present invention, and all technical solutions adopting equivalent substitutions fall within the scope of the present invention.
Claims (9)
1. An aeration grit chamber is characterized by comprising a chamber body; the slag blocking grating plate is fixedly arranged in the tank body so as to divide the inner cavity of the tank body into a scum area and an aeration sand settling area which are arranged side by side from left to right, and the aeration sand settling area is sequentially divided into an aeration area and a sand settling area from top to bottom; the aeration system comprises a first aeration system, the first aeration system comprises a first main aeration pipe and a plurality of first branch aeration pipes, one end of the first main aeration pipe is fixedly arranged on the right side wall of the aeration area, the left ends of the plurality of first branch aeration pipes are connected and communicated with the first main aeration pipe, and the right ends of the plurality of first branch aeration pipes are respectively connected and communicated with the aeration area; the sand suction system comprises a linear driving mechanism, an air source, a sand suction pump and a sand suction pipeline, the linear driving mechanism is fixedly installed on the tank body, the sand suction pump and the air source are respectively and fixedly installed on the output end of the linear driving mechanism, the inlet of the sand suction pump is connected and communicated with the sand suction outlet of the sand suction pipeline, the sand suction inlet of the sand suction pipeline extends into the sand setting area, and the output port of the air source is connected and communicated with the air cavity of the sand suction pump through a sand suction air pipe; and inhale the sediment system, inhale the sediment system including inhaling the sediment pump and inhaling the sediment pipeline, it fixes to inhale the sediment pump on linear drive mechanism's the output, and should inhale the air cavity of sediment pump through inhale sand trachea with the delivery outlet of air supply is connected and is linked together, inhale the import of sediment pump with inhale sediment exit linkage and intercommunication of sediment pipeline, the export is used for inserting the scum well, inhale the sediment import of sediment pipeline and stretch into the dross district.
2. An aerated grit chamber as claimed in claim 1, wherein said aeration system further comprises a second aeration system, said second aeration system comprises a second main aeration pipe and a plurality of second branch aeration pipes, said second main aeration pipe is fixedly disposed on the side wall of said grit zone, the lower ends of said plurality of second branch aeration pipes are fixedly connected and communicated with said second main aeration pipe, and the upper ends thereof are communicated with said grit zone, said second aeration system drives the lower right side water flow of the inner chamber in said tank to move upward, and said first aeration system located at the upper right side of said second aeration system drives the upper right side water flow of the inner chamber in said tank to move leftward, so that the water flows form a swirl rotating counterclockwise.
3. An aerated grit chamber according to claim 1 or 2, wherein the right side wall of the aeration zone is composed of a guide wall and a wall body which are sequentially connected from top to bottom, the guide wall is arc-shaped, and the lower right water flow in the inner chamber of the tank moves upwards under the driving of the second aeration system, flows to the guide wall and moves towards the left side of the inner chamber of the tank under the guide effect of the guide wall, so that the water flow forms a vortex rotating anticlockwise.
4. An aerated grit chamber as in claim 2, wherein the right arm of said grit zone comprises an arc-shaped transition section, a first inclined section and a second inclined section connected in sequence from top to bottom, the angle of inclination of said first inclined section is smaller than that of said second inclined section.
5. An aerated grit chamber as in claim 4, wherein said second aerated main pipe is fixedly disposed on said first inclined section.
6. An aerated grit chamber as claimed in claim 2, wherein said aeration system further comprises a third aeration system, said third aeration system comprising a third main aeration pipe and a plurality of third branch aeration pipes, said third main aeration pipe comprising a plurality of third branch aeration pipes fixedly disposed in said scum zone, said plurality of third main aeration pipes having upper ends connected and communicated with said third main aeration pipe and lower ends communicated with said scum zone.
7. An aerated grit chamber as in claim 2, wherein said linear driving mechanism comprises two linear transmission parts, a movable frame, a rotary transmission part and a rotary driving source, said two linear transmission parts being respectively disposed on the left and right side walls of said tank body, each of said linear transmission parts comprising a chute formed on one side wall of said tank body, a slide block slidably mounted in said chute, a screw rotatably mounted in said chute and threadedly engaged with said slide block; the movable frame forms the output end of the linear driving mechanism, two ends of the movable frame are fixedly connected with the two sliding blocks respectively, the rotary rotating part comprises two synchronizing wheels which are coaxially and fixedly installed at the end parts of the screw rods respectively and a synchronous belt which is synchronously connected with the two synchronizing wheels, and the output end of the rotary driving source is coaxially and fixedly connected with one output end of the screw rod.
8. An aerated grit chamber as claimed in claim 1, wherein the slag suction line comprises a connecting pipe and a slag suction main pipe, the lower end of the connecting pipe has an internal thread, the upper end of the slag suction main pipe has an external thread, and the connecting pipe is in threaded connection with the slag suction main pipe.
9. An aerated grit chamber as claimed in claim 1, wherein said sand suction air pipe is provided with a sand suction solenoid valve, and said slag suction air pipe is provided with a slag suction solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169566.8A CN115350512B (en) | 2022-09-26 | 2022-09-26 | Aeration grit chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169566.8A CN115350512B (en) | 2022-09-26 | 2022-09-26 | Aeration grit chamber |
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| CN115350512A true CN115350512A (en) | 2022-11-18 |
| CN115350512B CN115350512B (en) | 2024-01-16 |
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|---|---|---|---|---|
| JPH08132088A (en) * | 1994-10-31 | 1996-05-28 | Hitachi Kiden Kogyo Ltd | Scum removing device in circulating water passage-type aeration tank |
| JPH08309108A (en) * | 1995-05-19 | 1996-11-26 | Hitachi Kiden Kogyo Ltd | Controlling method for scum |
| US5874002A (en) * | 1995-10-10 | 1999-02-23 | Cormier; Murphy | Sewage treatment method and apparatus therefor |
| CN103332771A (en) * | 2013-06-30 | 2013-10-02 | 温州中环正源水务有限公司 | Scum treatment device of aerated grit chamber |
| CN203319751U (en) * | 2013-06-30 | 2013-12-04 | 温州中环正源水务有限公司 | Aeration grit chamber scum processing device |
| CN107715513A (en) * | 2017-11-20 | 2018-02-23 | 叶子毓 | A kind of aerated grit chamber and its application method for sewage disposal |
| US20220064040A1 (en) * | 2018-12-25 | 2022-03-03 | Hunan Wisdow Water Environmental Engineering Co., Ltd. | Sewage treatment apparatus suitable for single-family domestic sewage treatment |
| CN217163310U (en) * | 2022-03-21 | 2022-08-12 | 无锡市政设计研究院有限公司 | Totally enclosed aeration grit chamber |
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2022
- 2022-09-26 CN CN202211169566.8A patent/CN115350512B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08132088A (en) * | 1994-10-31 | 1996-05-28 | Hitachi Kiden Kogyo Ltd | Scum removing device in circulating water passage-type aeration tank |
| JPH08309108A (en) * | 1995-05-19 | 1996-11-26 | Hitachi Kiden Kogyo Ltd | Controlling method for scum |
| US5874002A (en) * | 1995-10-10 | 1999-02-23 | Cormier; Murphy | Sewage treatment method and apparatus therefor |
| CN103332771A (en) * | 2013-06-30 | 2013-10-02 | 温州中环正源水务有限公司 | Scum treatment device of aerated grit chamber |
| CN203319751U (en) * | 2013-06-30 | 2013-12-04 | 温州中环正源水务有限公司 | Aeration grit chamber scum processing device |
| CN107715513A (en) * | 2017-11-20 | 2018-02-23 | 叶子毓 | A kind of aerated grit chamber and its application method for sewage disposal |
| US20220064040A1 (en) * | 2018-12-25 | 2022-03-03 | Hunan Wisdow Water Environmental Engineering Co., Ltd. | Sewage treatment apparatus suitable for single-family domestic sewage treatment |
| CN217163310U (en) * | 2022-03-21 | 2022-08-12 | 无锡市政设计研究院有限公司 | Totally enclosed aeration grit chamber |
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