CN111643933A - Aeration type inclined plate sedimentation tank - Google Patents
Aeration type inclined plate sedimentation tank Download PDFInfo
- Publication number
- CN111643933A CN111643933A CN202010520874.5A CN202010520874A CN111643933A CN 111643933 A CN111643933 A CN 111643933A CN 202010520874 A CN202010520874 A CN 202010520874A CN 111643933 A CN111643933 A CN 111643933A
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- Prior art keywords
- water
- sedimentation tank
- aeration
- area
- mud
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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
- B01D21/02—Settling tanks with single outlets for the separated liquid
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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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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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
Abstract
The invention discloses an aeration type inclined plate sedimentation tank, which comprises a water distribution chamber, a sedimentation tank and a water collection tank, wherein the water distribution chamber is provided with a water inlet pipe, the outer side of the water inlet pipe is provided with a spiral fin, the right side of the water distribution chamber is provided with a baffle plate, the upper side of the baffle plate is a water inlet, the lower side of the baffle plate is a sludge inlet, the sedimentation tank is connected to the right side of the water distribution, the sedimentation tank is connected with the water distribution chamber through a mud sliding plate from bottom to top, the sedimentation tank is divided into a mud collection area from bottom to top, an aeration water distribution area, a sedimentation area and a clear water area, the mud collection area comprises a mud bucket, the bottom of the mud bucket is provided with a mud discharge pipe, the aeration water distribution area is provided with an aeration pipe, the aeration hole is formed in the bottom side of the aeration, the sedimentation area is provided with a continuously inclined plate, a spoiler is arranged below the sedimentation area, a water outlet is formed in the upper part of the right side of the clear water area, a water collecting tank is connected to the right side of the water outlet, and spiral blades are arranged inside the mud discharge. The invention has simple structure, stable operation, less maintenance and remarkable sedimentation effect, and is suitable for popularization and use.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to an aeration type inclined plate sedimentation tank.
Background
The sedimentation tank is a structure for removing suspended matters in water and is widely used in sewage treatment, the sedimentation tank has various structural forms, and the inclined plate sedimentation tank has the advantages of high removal efficiency, short retention time, small occupied area and the like due to the addition of the inclined plate, and is widely applied to sewage treatment engineering.
Traditional inclined plate sedimentation tank is after operation a period, perhaps when quality of water yield changes, its precipitation efficiency obviously descends, influences out water quality of water, and simultaneously along with the lapse of time, the long-pending mud condition with the mud pipe between the inclined plate is also serious day by day, not only influences out the stability of water and still causes the damage of equipment easily, influences the work efficiency of sedimentation tank.
Disclosure of Invention
The invention aims to provide an aeration type inclined plate sedimentation tank, which is characterized in that a water distribution chamber is arranged, firstly, large-molecular sludge sedimentation is carried out on sewage, then, a pre-aeration mode is adopted to carry out aeration treatment on the sewage, suspended particles in the sewage are promoted to interact by utilizing the stirring of bubbles to generate natural flocculation, the sedimentation efficiency can be improved, an aeration pipe is arranged above a sludge collection area, the aeration effect can be better played, the problem that sludge blocks a sludge discharge pipe is avoided, the sludge discharge pipe discharges accumulated sludge in a spiral conveying mode, and the problem that the sludge is blocked is avoided.
In order to achieve the purpose, the invention adopts the technical scheme that: an aeration type inclined plate sedimentation tank comprises a water distribution chamber, a sedimentation tank and a water collection tank, wherein a water inlet pipe is arranged in the water distribution chamber, the water inlet pipe penetrates through the top end of the water distribution chamber, spiral fins are arranged on the outer side of the water inlet pipe, a baffle is arranged in the water distribution chamber close to the right side, a water inlet is arranged on the upper side of the baffle, a sludge inlet is arranged on the lower side of the baffle, the spiral fins are arranged between the water inlet pipe and the inner wall of the water distribution chamber and are separated by the baffle on the right side, the sedimentation tank is connected and arranged on the right side of the water distribution chamber, the lower side of the water inlet pipe is connected by a sludge sliding plate, the water distribution chamber is communicated with the sedimentation tank through the sludge inlet and the water inlet, a perforated wall is arranged between the sedimentation tank and the water distribution chamber, the sedimentation tank is sequentially divided into a sludge collection area, an aeration water distribution area, the aeration water distribution area is fixedly provided with an aeration pipe between the front wall and the rear wall of the sedimentation tank, continuous aeration holes are formed in the aeration pipe towards one side of the bottom of the sedimentation tank, the sedimentation tank is provided with inclined plates which are continuously arranged in an inclined mode, a spoiler is arranged below the sedimentation tank, the flow rate of sewage is reduced, better sedimentation is facilitated, a water outlet is formed in the upper portion of the right side of the clean water area, the sedimentation tank is provided with a water collecting tank in the position of the right side of the water outlet, a movable weir plate is arranged at the position of the water outlet, the front end and the rear end of the aeration pipe are connected with an air supply device, one end of a sludge discharge pipe is connected with a driving motor, and the sludge discharge pipe discharges sludge in a sludge collection.
In the aeration type inclined plate sedimentation tank, the water inlet is higher than the sedimentation tank.
The weir plate is movable, the weir plate is arranged into a plug board, a socket is arranged at the water outlet, and the height of the weir plate can be adjusted, so that the height of the water outlet is adjusted.
In the aeration type inclined plate sedimentation tank, the inclination angle of the inclined plate of the sedimentation zone is between 55 and 60 degrees.
In the aeration type inclined plate sedimentation tank, the included angle between the inclined surfaces of the mud buckets is 50-70 degrees.
According to the aeration type inclined plate sedimentation tank, the number of the aeration pipes is 2-100, and the specific number is determined according to the size of the sedimentation tank.
In the aeration type inclined plate sedimentation tank, the flow baffle is of a grid structure, and the diameter of gaps of the grid is 2-10 mm.
The aeration type inclined plate sedimentation tank is characterized in that the mud sliding plate is of an inclined smooth plate structure, the inclination angle is 55-60 degrees, and sludge can conveniently slide into the sludge collection area better.
The invention has the beneficial effects that: through setting up the water distribution chamber, tentatively carry out the sludge settling of macromolecule to sewage earlier, make a certain amount of mud sink into album mud district, then adopt the mode of preaeration to carry out aeration treatment sewage to sewage, the stirring that utilizes the bubble makes the suspended particle interact in the sewage, produce natural flocculation, can make precipitation efficiency improve, the aeration pipe sets up in album mud district top, the effect of aeration that plays that can be better, the problem of mud blocking mud pipe has been avoided, mud pipe adopts spiral transport's mode to discharge long-pending mud, there is not long-pending mud blocked problem, this novel sedimentation tank simple structure, the operation is stable, it is few to maintain, the sedimentation effect is showing, and is suitable for being generalized to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. the system comprises a water distribution chamber, 2, a sedimentation tank, 3, an aeration water distribution area, 4, a sedimentation area, 5, a clean water area, 6, a water inlet pipe, 7, a water collecting tank, 8, a mud bucket, 9, a mud collecting area, 10, a mud discharging pipe, 11, a mud sliding plate, 12, a mud inlet, 13, a spiral fin, 14, a water inlet, 15, a flow baffle, 16, a water outlet, 17, a weir plate and 18, and an aeration pipe.
Detailed Description
The technical solution in the embodiment of the present invention is described below with reference to the drawings in the embodiment of the present invention.
As shown in the figure, the aeration type inclined plate sedimentation tank comprises a water distribution chamber 1, a sedimentation tank 2 and a water collection tank 7, wherein a water inlet pipe 6 is arranged inside the water distribution chamber 1, the water inlet pipe 6 penetrates through the top end of the water distribution chamber 1, spiral fins 13 are arranged on the outer side of the water inlet pipe 6, a baffle is arranged near the right side inside the water distribution chamber 1, the upper side of the baffle is a water inlet 14, the lower side of the baffle is a sludge inlet 12, the spiral fins 13 are arranged between the inner wall of the water inlet pipe 6 and the inner wall of the water distribution chamber 1 and are separated by the baffle on the right side, the sedimentation tank 2 is connected and arranged on the right side of the water distribution chamber 1 and is connected by a sludge sliding plate 11 below the water inlet pipe 6, the water distribution chamber 1 and the sedimentation tank 2 are communicated with the water inlet 14 through the sludge inlet 12, a perforated wall is arranged between the sedimentation tank 2 and the, The clear water area 5, the sludge collection area 9 comprises mud hoppers 8 which are adjacently arranged, the bottom of each mud hopper 8 is provided with a sludge discharge pipe 10, the aeration water distribution area 3 is fixedly provided with an aeration pipe 18 between the front wall and the rear wall of the sedimentation tank 2, one side of the aeration pipe 18 facing the bottom of the sedimentation tank 2 is provided with continuous aeration holes, the sedimentation zone 4 is provided with inclined plates which are continuously and obliquely arranged, the flow blocking plate 15 is arranged below the sedimentation zone 4, the flow velocity of the sewage is reduced, better sedimentation is facilitated, a water outlet 16 is arranged at the upper part of the right side of the clean water area 5, a water collecting tank 7 is communicated and arranged at the right side of the water outlet 16 of the sedimentation tank 2, a movable weir plate 17 is arranged at the water outlet 16, fans are connected and arranged at the front end and the rear end of the aeration pipe 18, one end of the sludge discharge pipe 10 is connected with a driving motor, and the sludge discharge pipe 10 discharges the sludge in the sludge collection area 9 in a spiral conveying mode.
Further, the water inlet 14 is higher than the water outlet 16 on the right side of the sedimentation tank 2.
Further, the weir plate 17 is a movable weir plate 17, the weir plate 17 is provided in the form of an insert plate, a socket is provided at the water outlet 16, and the height of the weir plate 17 can be adjusted, so as to adjust the height of the water outlet 16.
Further, the inclination angle of the inclined plate of the settling zone 4 is 58 °.
Further, the included angle between the inclined surfaces of the mud bucket 8 is 60 degrees.
Further, the number of the aeration pipes 18 is 20, and the specific number is determined according to the size of the sedimentation tank 2.
Further, the spoiler 15 is of a grid structure, and the gap diameter of the grid is 5 mm.
Further, the mud sliding plate 11 is of an inclined smooth plate structure, the inclination angle is 58 degrees, and sludge can better slide into the mud collecting area 9 conveniently.
In the using process of the invention, sewage to be treated enters a water distribution chamber 1 from a water inlet pipe 6, particles with weight in the sewage fall to a mud sliding plate 11 below, enter a mud collecting area 9 in a sedimentation tank 2 and are spirally discharged through a mud discharging pipe 10, one part of water in the sewage enters the sedimentation tank 2 together with the sludge through a mud inlet 12, the other part of water enters the sedimentation tank 2 through filtration of spiral fins 13 and enters the sedimentation tank 2 through a water inlet 14, the sewage enters an aeration water distribution area 3 of the sedimentation tank 2, a fan pre-aerates the sewage through aeration holes on an aeration pipe 18, the stirring of bubbles and suspended particles in the sewage interact to generate natural flocculation, the sewage after the pre-aeration enters a sedimentation area 4 in the sedimentation tank 2, suspended matters in the sewage are further precipitated under the action of an inclined plate, and the subsequent water flow enters a clean water area 5 above the inclined plate, the water enters the water collecting tank 7 through a movable weir plate 17 outside the water outlet 16, in the pre-aeration process, in order to prevent the influence of the air bubble stirring on the water outlet stability, the weir plate 17 is lifted, the connection between the water outlet 16 and the water collecting tank 7 is closed, and the water outlet is stopped; standing for a period of time after the pre-aeration is finished, moving the weir plate 17 downwards, opening the connection between the water outlet 16 and the water collecting tank 7, and allowing the settled clean water to enter the water collecting tank 7.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (8)
1. The utility model provides an aeration type inclined plate sedimentation tank, includes distribution chamber (1), sedimentation tank (2) and water collection tank (7), its characterized in that: join in marriage hydroecium (1) inside inlet tube (6) that is provided with, inlet tube (6) top is passed and is joined in marriage hydroecium (1) top, inlet tube (6) outside is provided with helical fin (13), and it is provided with the baffle to join in marriage hydroecium (1) inside near the right side, and the baffle upside is water inlet (14), and the baffle downside is mud inlet (12), helical fin (13) set up between inlet tube (6) and water distribution chamber (1) inner wall to separate through the baffle in the right side, sedimentation tank (2) are connected and are set up the right side in water distribution chamber (1), connect through smooth mud board (11) below inlet tube (6), and water distribution chamber (1) and sedimentation tank (2) are through mud inlet (12) and water inlet (14) UNICOM, set up the perforation wall between sedimentation tank (2) and water distribution chamber (1), sedimentation tank (2) divide into collection mud district (9) from bottom to top in proper order, The sludge collection and distribution device comprises an aeration and distribution area (3), a settling area (4) and a clear water area (5), wherein the sludge collection area (9) comprises sludge hoppers (8) which are adjacently arranged, sludge discharge pipes (10) are arranged at the bottoms of the sludge hoppers (8), aeration pipes (18) are fixedly arranged between the front wall and the rear wall of a settling pond (2) in the aeration and distribution area (3), continuous aeration holes are formed in the aeration pipes (18) towards one side of the bottom of the settling pond (2), inclined plates which are continuously obliquely arranged are arranged in the settling area (4), a flow baffle (15) is arranged below the settling area (4), a water outlet (16) is formed in the upper right side of the clear water area (5), the settling pond (2) is communicated with a water collection tank (7) in the right side of the water outlet (16), a movable weir plate (17) is arranged in the water outlet (16), and the front end and the rear end of each aeration pipe (18) are connected with, one end of the sludge discharge pipe (10) is connected with a driving motor, and the sludge discharge pipe (10) discharges sludge in the sludge collection area (9) in a spiral conveying mode.
2. The aerated inclined plate sedimentation tank of claim 1, wherein: the water inlet (14) is higher than the water outlet (16) at the right side of the sedimentation tank (2).
3. The aerated inclined plate sedimentation tank of claim 1, wherein: the weir plate (17) is a movable weir plate (17), the weir plate (17) is arranged in a form of an insert plate, a socket is arranged at the water outlet (16), and the height of the weir plate (17) can be adjusted, so that the height of the water outlet (16) is adjusted.
4. The aerated inclined plate sedimentation tank of claim 1, wherein: the inclination angle of the inclined plate of the settling zone (4) is between 55 and 60 degrees.
5. The aerated inclined plate sedimentation tank of claim 1, wherein: the included angle between the inclined surfaces of the mud buckets (8) is 50-70 degrees.
6. The aerated inclined plate sedimentation tank of claim 1, wherein: the number of the aeration pipes (18) is 2-100.
7. The aerated inclined plate sedimentation tank of claim 1, wherein: the spoiler (15) is of a grid structure, and the diameter of gaps of grids is 2-10 mm.
8. The aerated inclined plate sedimentation tank of claim 1, wherein: the mud sliding plate (11) is of an inclined smooth plate structure, and the inclination angle is 55-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520874.5A CN111643933A (en) | 2020-06-10 | 2020-06-10 | Aeration type inclined plate sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010520874.5A CN111643933A (en) | 2020-06-10 | 2020-06-10 | Aeration type inclined plate sedimentation tank |
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| Publication Number | Publication Date |
|---|---|
| CN111643933A true CN111643933A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010520874.5A Pending CN111643933A (en) | 2020-06-10 | 2020-06-10 | Aeration type inclined plate sedimentation tank |
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| CN (1) | CN111643933A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717487A (en) * | 2021-01-27 | 2021-04-30 | 大唐环境产业集团股份有限公司 | Mud guide pipe structure of coal chemical wastewater treatment system |
| CN113018915A (en) * | 2021-02-24 | 2021-06-25 | 中冶东方工程技术有限公司 | Slag treatment equipment and slag treatment method |
| CN115417494A (en) * | 2022-09-20 | 2022-12-02 | 张立东 | Sewage treatment device for municipal management and treatment method thereof |
-
2020
- 2020-06-10 CN CN202010520874.5A patent/CN111643933A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717487A (en) * | 2021-01-27 | 2021-04-30 | 大唐环境产业集团股份有限公司 | Mud guide pipe structure of coal chemical wastewater treatment system |
| CN112717487B (en) * | 2021-01-27 | 2024-04-09 | 大唐环境产业集团股份有限公司 | Coal chemical industry effluent disposal system |
| CN113018915A (en) * | 2021-02-24 | 2021-06-25 | 中冶东方工程技术有限公司 | Slag treatment equipment and slag treatment method |
| CN115417494A (en) * | 2022-09-20 | 2022-12-02 | 张立东 | Sewage treatment device for municipal management and treatment method thereof |
| CN115417494B (en) * | 2022-09-20 | 2023-12-08 | 新疆森木林建设工程有限公司 | Sewage treatment device for municipal administration and treatment method thereof |
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