CN216837547U - Sewage treatment device - Google Patents
Sewage treatment device Download PDFInfo
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- CN216837547U CN216837547U CN202123151607.4U CN202123151607U CN216837547U CN 216837547 U CN216837547 U CN 216837547U CN 202123151607 U CN202123151607 U CN 202123151607U CN 216837547 U CN216837547 U CN 216837547U
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Abstract
The utility model discloses a sewage treatment device, which comprises a regulating tank, a composite tank and an aeration component; the composite pond includes sedimentation tank and biological contact oxidation pond, the utility model discloses a integrate sedimentation tank and biological contact oxidation pond, can effectively reduce area and construction cost, and the utility model discloses a set up a set of power component, adopt a quick-witted dual-purpose mode, can promote the sewage in the equalizing basin to the biological contact oxidation pond in, can carry out the aeration to the biological contact oxidation pond again, equipment is few, and the structure is succinct, and the fault rate is low, and whole device operation is stable.
Description
Technical Field
The utility model relates to a sewage treatment field, concretely relates to sewage treatment device.
Background
The biological contact oxidation and precipitation are process combinations which are generally applicable to hospital sewage treatment, the treatment effect is stable, and the engineering cost is appropriate.
The existing 'biological contact oxidation + precipitation' device has the problems that: 1. the equipment is more, the energy consumption is large, and the management is difficult; 2. a sludge pump in the sedimentation tank is easy to break down; 3. the occupied area is large, and the construction cost is high.
In conclusion, a sewage treatment device is urgently needed to solve the problems of more equipment, high energy consumption, high failure rate and high cost in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewage treatment device to solve among the prior art equipment many, it is big to consume energy, the fault rate is high and problem with high costs, concrete technical scheme as follows:
a sewage treatment device comprises a regulating tank, a composite tank and an aeration component;
the composite pond comprises a biological contact oxidation pond and a sedimentation pond; the sedimentation tank is communicated with the biological contact oxidation tank; the regulating tank is communicated with the biological contact oxidation tank through a sewage pipe;
the aeration component comprises a power part, a first air lifting pipe and an aeration pipe;
one end of each of the aeration pipe and the first air stripping pipe is connected with the power part, and the other end of each of the aeration pipes is communicated with the biological contact oxidation tank; the other end of the first air stripping pipe is arranged in the regulating reservoir and corresponds to the sewage pipe, and sewage in the regulating reservoir is transferred into the biological contact oxidation tank through the first air stripping pipe.
Preferably, the sedimentation tank is internally provided with an inclined pipe which divides the sedimentation tank into an upper sedimentation tank and a lower sedimentation tank; the lower sedimentation tank is communicated with the biological contact oxidation tank.
Preferably, in the technical scheme, the lower sedimentation tank is communicated with the biological contact oxidation tank through a three-phase separator; the inlet, the gas outlet and the solid outlet of the three-phase separator are communicated with the biological contact oxidation tank; the liquid outlet of the three-phase separator is communicated with the sedimentation tank.
Above technical scheme is preferred, be equipped with the weir that catchments in going up the sedimentation tank.
Above technical scheme is preferred, be equipped with into water buffer tank in the biological contact oxidation pond, the buffer tank that intakes communicates with the sewage pipe.
Preferably, the power part is an aeration fan.
Above technical scheme is preferred, is equipped with the mud groove in the biological contact oxidation pond, the mud groove communicates with the solid outlet of three-phase separator.
According to the preferable technical scheme, a sludge discharge buffer tank is arranged in the upper sedimentation tank; the sludge discharge buffer tank and the sludge collection tank are communicated through a vertical sludge discharge pipe; the aeration assembly further comprises a second stripper tube; two ends of the second air stripping pipe are respectively communicated with the power part and the vertical sludge discharge pipe, and the second air stripping pipe is matched with the power part to lift the solid in the sludge collection groove into the sludge discharge buffer groove; a sludge discharge port communicated with the outside is formed in the sludge discharge buffer groove; and a sludge return port communicated with the biological contact oxidation pond is also arranged on the sludge discharge buffer tank.
Above technical scheme is preferred, be equipped with horizontal mud pipe in the mud collection groove, be equipped with the multiunit mud suction mouth on the horizontal mud pipe, and the horizontal mud pipe communicates with the one end of vertical mud pipe.
Above technical scheme is preferred, all be equipped with the valve on aeration pipe, first air stripping pipe and the second air stripping pipe.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the sewage treatment device of the utility model comprises a regulating tank, a composite tank and an aeration component; the composite pond includes sedimentation tank and biological contact oxidation pond, the utility model discloses a integrate sedimentation tank and biological contact oxidation pond, can effectively reduce area and construction cost, and the utility model discloses a set up a set of power component (aeration fan), adopt a quick-witted dual-purpose mode, can promote the sewage in the equalizing basin to the biological contact oxidation pond in, can aerate the biological contact oxidation pond again, equipment is few, and the structure is succinct, and the fault rate is low, and whole device operation is stable.
(2) The utility model discloses a be equipped with the pipe chute in the sedimentation tank, strengthen the effect of deposiing through the pipe chute.
(3) The sedimentation tank and the biological contact oxidation tank of the utility model are communicated through a three-phase separator; the three-phase separator collects the separated gas and leads the gas back to the biological contact oxidation tank, thereby not only preventing the influence of bubbles on the sedimentation effect, but also enhancing the aeration effect; and through setting up twice sedimentation system (be pipe chute and three-phase separator), strengthen the effect of deposiing, guaranteed that treatment quality can reach standard.
(4) The utility model discloses a go up and be equipped with the weir that catchments in the sedimentation tank, collect clear water and outwards discharge through the weir that catchments, the practicality is good. Preferably, a filtering membrane is arranged in the water collecting weir, so that the quality of the discharged water is further improved.
(5) The utility model discloses a be equipped with the dashpot of intaking in the biological contact oxidation pond, the dashpot of intaking corresponds with the opening of sewage pipe, and the dashpot buffering of intaking guarantees to intake stably from the sewage that the equalizing basin got into.
(6) The utility model discloses a be equipped with the mud collection groove in the biological contact oxidation pond, the solid (mud) that the three-phase separator separated out are collected in the mud collection groove, and the expense that the mud collection groove was filled has been saved as the partly of biological contact oxidation pond in the mud collection groove, reduces investment cost.
(7) The upper sedimentation tank of the utility model is internally provided with a sludge discharge buffer tank; the sludge discharge buffer tank and the sludge collection tank are communicated through a vertical sludge discharge pipe; the mud that will gather the mud groove through the power spare is promoted to the mud dashpot of arranging from vertical mud pipe in, and partly mud is discharged to the external world, thereby another part returns to arrange to realize the backward flow and the discharge of mud in the biological oxidation pond, simple structure, and accomplishes mud through the power spare and promote simple structure.
(8) The utility model discloses the horizontal sludge discharge pipe that the level set up is convenient for fully promote the mud of the different positions in the mud collection groove to in arranging the mud dashpot.
(9) The utility model discloses an all be equipped with the valve on aeration pipe, first air stripping pipe and the second air stripping pipe, through the running state of each part of valve control, simple and practical.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In the drawings:
FIG. 1 is a schematic structural view of a first embodiment (A shows three outlets of a three-phase separator);
FIG. 2 is a schematic structural view of a second embodiment;
wherein, 1, adjusting a pool; 2. a composite pond; 2.1, a biological contact oxidation pond; 2.2, a sedimentation tank; 2.21, feeding the mixture into a sedimentation tank; 2.22, a sedimentation tank; 3. a sewage pipe; 4. a power member; 5. a first stripping line; 6. an aeration pipe; 7. a water collection weir; 8. an inclined tube; 9. a water inlet buffer tank; 10. a sludge collection tank; 11. a vertical sludge discharge pipe; 12. a sludge discharge buffer tank; 13. a sludge discharge port; 14. a mud returning port; 15. a horizontal sludge discharge pipe; 16. a second stripper tube.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
The first embodiment:
a sewage treatment device comprises a regulating tank 1, a composite tank 2 and an aeration component; the composite pond 2 comprises a sedimentation pond 2.2 and a biological contact oxidation pond 2.1, as shown in figure 1, the concrete steps are as follows:
the adjusting tank 1 is communicated with the biological contact oxidation tank 2.1 through a sewage pipe 3, and the adjusting tank 1 is used for pretreating sewage.
An inclined pipe 8 is arranged in the sedimentation tank 2.2, and the inclined pipe 8 divides the sedimentation tank 2.2 into an upper sedimentation tank 2.21 and a lower sedimentation tank 2.22; the lower sedimentation tank 2.22 is communicated with the biological contact oxidation tank 2.1 through a three-phase separator; the sewage enters the three-phase separator from the biological contact oxidation tank 2.1, the separated liquid enters the lower sedimentation tank 2.22 from the liquid outlet of the three-phase separator after the sewage is separated, and along with the continuous water outlet of the three-phase separator, the liquid in the lower sedimentation tank 2.22 rises and is precipitated through the inclined tube 8 (namely, the liquid is filtered through the inclined tube), and enters the upper sedimentation tank 2.21. The inclined tube 8 and the three-phase separator refer to the prior structure.
The upper sedimentation tank 2.21 is internally provided with a water collection weir 7, the water collection weir 7 is communicated with the upper sedimentation tank 2.21, when the liquid level of the clear water in the upper sedimentation tank 2.21 is higher than the water collection weir 7, the clear water enters the water collection weir 7 and is discharged outwards through the water collection weir 7, and preferably, a filtering membrane is also arranged in the water collection weir 7 to further filter the clear water, so that the water outlet quality is ensured.
As shown in a in fig. 1, the lower sedimentation tank 2.22 is communicated with the biological contact oxidation tank 2.1 through a three-phase separator, specifically: the three-phase separator is positioned at the bottom of the biological contact oxidation tank 2.1, an inlet of the three-phase separator is communicated with the interior of the biological contact oxidation tank 2.1, the three-phase separator has three outlets which are respectively a liquid outlet, a gas outlet and a solid outlet, the liquid outlet of the three-phase separator is communicated with the bottom of the sedimentation tank 2.22, the gas outlet and the solid outlet of the three-phase separator are communicated with the interior of the biological contact oxidation tank 2.1, sludge in sewage flows out of the solid outlet and is deposited in the biological contact oxidation tank 2.1, the gas outlet of the three-phase separator leads separated gas back to the biological contact oxidation tank 2.1 again, the aeration effect is improved, and separated liquid enters the lower sedimentation tank 2.22 from the liquid outlet.
The aeration component comprises a power part 4, a first stripping pipe 5 and an aeration pipe 6; the power part 4 is an aeration fan, the aeration pipe 6 is arranged at the bottom of the biological contact oxidation tank 2.1, and one end of the aeration pipe is communicated with the power part 4, so that the aeration of the biological contact oxidation tank 2.1 is realized through the aeration fan; one end of the first air lifting pipe 5 is communicated with the power part 4, and the other end of the first air lifting pipe vertically corresponds to the sewage pipe 3 (an opening of the sewage pipe) in the adjusting tank 1, so that the sewage in the adjusting tank 1 is lifted and transferred into the biological contact oxidation tank 2.1.
Be equipped with into water buffer slot 9 in the biological contact oxidation pond 2.1, the buffer slot 9 that intakes corresponds with the opening of sewage pipe 3, and sewage in the equalizing basin 1 promotes in sewage pipe 3 to in the buffer slot 9 that intakes falls through sewage pipe 3, sewage slowly gets into biological contact oxidation pond 2.1 from the buffer slot 9 that intakes.
And valves (such as electromagnetic valves) are arranged on the aeration pipe 6 and the first air stripping pipe 5, and the aeration pipe 6 and the first air stripping pipe 5 are controlled to be opened and closed through the valves.
The second embodiment:
the second embodiment differs from the first embodiment in that, as shown in fig. 2:
1. a V-shaped sludge collecting groove 10 is arranged in the biological contact oxidation pond 2.1, an opening of the sludge collecting groove 10 is vertically and correspondingly arranged with a solid outlet of the three-phase separator, and the sludge collecting groove 10 is used for collecting solid (sludge) discharged from the solid outlet.
2. A sludge discharge buffer tank 12 is arranged inside the upper sedimentation tank 2.21, and the sludge discharge buffer tank 12 is communicated with the sludge collection tank 10 through a vertically arranged vertical sludge discharge pipe 11;
2.1, the aeration assembly further comprises a second stripping tube 16; the two ends of the second air stripping pipe 16 are respectively communicated with the power part 4 and the vertical sludge discharge pipe 11, and the power part 4 conveys airflow to the second air stripping pipe 16, so that sludge in the sludge collection groove 10 is driven to be lifted into the sludge discharge buffer groove 12; preferably, the second stripping pipe 16 is also provided with a valve, and the opening and closing of the second stripping pipe 16 are controlled by the valve;
2.2, a sludge discharge port 13 communicated with the outside is arranged on the sludge discharge buffer groove 12; the sludge discharge buffer tank 12 is also provided with a sludge return port 14 communicated with the biological contact oxidation pond 2.1, the sludge discharge port 13 is used for discharging partial sludge, and the sludge return port 14 is used for leading the other part of sludge back to the biological contact oxidation pond 2.1, so that the sludge is discharged and reflowed, and the energy consumption and the operation cost can be reduced.
3. The level is provided with horizontal mud pipe 15 in the mud collection groove 10, is equipped with the multiunit mud suction mouth (the mud suction mouth size is selected according to actual conditions) on the horizontal mud pipe 15, and horizontal mud pipe 15 and the vertical mud pipe 11 intercommunication that is located mud collection groove 10, and horizontal mud pipe 15 is convenient for promote the mud of different positions in the mud collection groove 10 from vertical mud pipe 11 to in the mud relief groove 12.
The workflow of the second embodiment is:
A. sewage enters an adjusting tank 1 from a pipe network, the sewage in the adjusting tank 1 enters a biological contact oxidation tank 2.1 from a sewage pipe 3, and the sewage in the biological contact oxidation tank is separated from the bottom of the biological contact oxidation tank 2.1 through a three-phase separator;
B. the sewage is separated into liquid, gas and solid (sludge) by a three-phase separator, the solid continuously returns to the biological contact oxidation tank 2.1, and the gas enters the biological contact oxidation tank 2.1 again; the liquid enters the lower sedimentation tank 2.22, is precipitated by the inclined pipe 8 and is discharged from the water collecting weir 7.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A sewage treatment device is characterized by comprising a regulating tank (1), a composite tank (2) and an aeration component;
the composite pond (2) comprises a biological contact oxidation pond (2.1) and a sedimentation pond (2.2); the sedimentation tank (2.2) is communicated with the biological contact oxidation tank (2.1); the regulating tank (1) is communicated with the biological contact oxidation tank (2.1) through a sewage pipe (3);
the aeration component comprises a power part (4), a first stripping pipe (5) and an aeration pipe (6);
one ends of the aeration pipe (6) and the first air stripping pipe (5) are both connected with the power part (4), and the other end of the aeration pipe (6) is communicated with the biological contact oxidation tank (2.1); the other end of the first air stripping pipe (5) is arranged in the regulating reservoir (1) and corresponds to the sewage pipe (3), and sewage in the regulating reservoir (1) is transferred into the biological contact oxidation tank (2.1) through the first air stripping pipe.
2. The wastewater treatment plant according to claim 1, characterized in that an inclined pipe (8) is arranged in the sedimentation tank (2.2), and the inclined pipe (8) divides the sedimentation tank (2.2) into an upper sedimentation tank (2.21) and a lower sedimentation tank (2.22); the lower sedimentation tank (2.22) is communicated with the biological contact oxidation tank (2.1).
3. The wastewater treatment plant according to claim 2, characterized in that the lower sedimentation tank (2.22) communicates with the biological contact oxidation tank (2.1) by means of a three-phase separator; the inlet, the gas outlet and the solid outlet of the three-phase separator are communicated with a biological contact oxidation tank (2.1); the liquid outlet of the three-phase separator is communicated with a sedimentation tank (2.22).
4. Sewage treatment plant according to claim 2, characterised in that a water collection weir (7) is provided in the upper sedimentation basin (2.21).
5. The wastewater treatment plant according to claim 1, characterized in that a water inlet buffer tank (9) is arranged in the biological contact oxidation pond (2.1), and the water inlet buffer tank (9) is communicated with the sewage pipe (3).
6. Sewage treatment plant according to any of claims 1-5, characterised in that said power member (4) is an aeration fan.
7. Sewage treatment plant according to claim 3, characterised in that a sludge collection tank (10) is provided in the biological contact oxidation tank (2.1), said sludge collection tank (10) being in communication with the solids outlet of the three-phase separator.
8. The wastewater treatment plant according to claim 7, characterized in that a sludge discharge buffer tank (12) is arranged in the upper sedimentation tank (2.21); the sludge discharge buffer tank (12) is communicated with the sludge collection tank (10) through a vertical sludge discharge pipe (11); the aeration assembly further comprises a second stripper tube (16); two ends of the second air stripping pipe (16) are respectively communicated with the power part (4) and the vertical sludge discharge pipe (11), and the second air stripping pipe (16) is matched with the power part (4) to lift the solid in the sludge collection groove (10) into the sludge discharge buffer groove (12); a sludge discharge port (13) communicated with the outside is formed in the sludge discharge buffer groove (12); and a sludge return port (14) communicated with the biological contact oxidation pond (2.1) is also arranged on the sludge discharge buffer tank (12).
9. The sewage treatment device according to claim 8, wherein a horizontal sludge discharge pipe (15) is arranged in the sludge collection tank (10), a plurality of groups of sludge suction ports are arranged on the horizontal sludge discharge pipe (15), and the horizontal sludge discharge pipe (15) is communicated with one end of the vertical sludge discharge pipe (11).
10. The wastewater treatment plant according to claim 8, wherein the aeration pipe (6), the first stripping pipe (5) and the second stripping pipe (16) are provided with valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123151607.4U CN216837547U (en) | 2021-12-15 | 2021-12-15 | Sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123151607.4U CN216837547U (en) | 2021-12-15 | 2021-12-15 | Sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216837547U true CN216837547U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123151607.4U Active CN216837547U (en) | 2021-12-15 | 2021-12-15 | Sewage treatment device |
Country Status (1)
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|---|---|
| CN (1) | CN216837547U (en) |
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2021
- 2021-12-15 CN CN202123151607.4U patent/CN216837547U/en active Active
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