CN219376153U - Novel device for strengthening screening of sewage treatment granular sludge - Google Patents
Novel device for strengthening screening of sewage treatment granular sludge Download PDFInfo
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- CN219376153U CN219376153U CN202223358168.9U CN202223358168U CN219376153U CN 219376153 U CN219376153 U CN 219376153U CN 202223358168 U CN202223358168 U CN 202223358168U CN 219376153 U CN219376153 U CN 219376153U
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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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Abstract
The utility model belongs to the technical field of sewage treatment, and discloses a novel device for strengthening screening of sewage treatment granular sludge, which comprises a water inlet tank, wherein the output end of the water inlet tank is connected with an intermediate treatment tank, the intermediate treatment tank is connected with a tail treatment tank, the structure of the intermediate treatment tank is the same as that of the tail treatment tank, the tail treatment tank is provided with a plurality of water outlet pipes relative to the intermediate treatment tank, and the tail treatment tank is provided with a plurality of aeration devices relative to the intermediate treatment tank; a plurality of steps are arranged in the water inlet pool, and the height sizes of the steps are sequentially increased from the water inlet end to the water outlet end; the middle treatment pool is divided into a circulating pool and a sedimentation pool, a placement table, a slot and a baffle are arranged in the circulating pool, the middle position of the placement table is not shielded, a circulating plate is placed in the placement table and the slot, the circulating pool enables flowing water to flow in an S-shaped mode under the effect of the baffle and the circulating plate, and an overflow groove communicated with the sedimentation pool is arranged at the tail of the circulating pool.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a novel device for strengthening screening of sewage treatment granular sludge.
Background
Along with the annual increase of sewage discharge, the discharge requirement is more strict, various sewage treatment plants face the problems of insufficient treatment capacity, substandard effluent and the like, and the standard-raising and energy-expanding transformation is urgently needed. The conventional activated sludge process for treating sewage often has the problems of low activated sludge concentration, poor sedimentation performance, low treatment load, poor impact resistance and the like. Conventional processes such as biological contact oxidation and A2/O have certain limitations, so that new devices are required to enhance the treatment of sewage.
Disclosure of Invention
In view of the above-mentioned problems with the background art, the present utility model has as its object: aims at providing a novel device for strengthening the screening of sewage treatment granular sludge.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the novel device for strengthening screening of the sewage treatment granular sludge comprises a water inlet tank, wherein the output end of the water inlet tank is connected with an intermediate treatment tank, the intermediate treatment tank is connected with a tail treatment tank, the intermediate treatment tank and the tail treatment tank have the same structure, the tail treatment tank is provided with a plurality of water outlet pipes relative to the intermediate treatment tank, and the tail treatment tank is provided with a plurality of aeration devices relative to the intermediate treatment tank;
a plurality of steps are arranged in the water inlet pool, and the height sizes of the steps are sequentially increased from the water inlet end to the water outlet end;
the middle treatment tank is divided into a circulating pool and a sedimentation tank, a placing table, a slot and a baffle are arranged in the circulating pool, the middle position of the placing table is not shielded, a circulating plate is placed in the placing table and the slot, the circulating pool enables flowing water to flow in an S-shaped mode under the effect of the baffle and the circulating plate, an overflow groove communicated with the sedimentation tank is arranged at the tail of the circulating pool, and the aeration device is arranged at the bottom of the sedimentation tank in the middle treatment tank.
Further limited, the input end of the tail treatment tank is connected with the most far end of the sedimentation tank, which is away from the overflow tank, and at least three connecting ports are arranged, and the three connecting ports are respectively arranged at the upper, middle and lower positions, so that the design is suitable for the water body flow of different water levels.
Further, a sealing ring is arranged on the edge of the circulating plate, so that water is prevented from flowing through the gap.
Further limited, the step has at least three sections, and the design has good primary filtration and precipitation effects.
Further, at least six circulation plates are arranged in the circulation tank, and the design ensures multistage mixing effect.
Further limited, the aeration device comprises an aeration pipe arranged at the bottom of the sedimentation tank in the intermediate treatment tank, and the input end of the aeration pipe is connected with a generating device arranged at the outer side of the intermediate treatment tank, so that the aeration effect is ensured.
Further limiting, the filter screen is arranged at the input end of the water outlet pipe, so that the water outlet pipe is prevented from being blocked.
Further limited, the intermediate treatment pond can set up a plurality ofly, only needs to guarantee that whole rivers flow and is the S type, and such design guarantees the screening effect to granule mud.
Further defined, the circulation flow plate is a metal plate coated with an anti-corrosion coating, and the service life is ensured by the design.
Further limiting that the groove depth dimension of the overflow groove is not less than half a meter away from the upper surface of the intermediate treatment tank, but not less than the highest horizontal surface of the circulating plate after the circulating plate is arranged on the placing table, so that the water treatment and overflow effects are ensured by the design.
The beneficial effects of the utility model are that:
according to the method, under the cooperation of the circulation plate and the baffle, mud water can flow in a multi-layer circulation mode according to certain distribution after entering, the mud water is deflected to the next area, continuous flow forms continuous hydraulic shear force on the mud water, better mixing of the mud water can be achieved in the circulation tank and the sedimentation tank of the intermediate treatment tank, the circulation tank in the tail treatment tank plays a role in screening mud water with different particles, screening is achieved mainly through the flowing distance, mud water with shorter flowing distance is larger in relative flowing distance, mud water with good sedimentation property is settled to the bottom more quickly, mud water with poor sedimentation property is screened out, finally the mud water with poor sedimentation property is discharged from the water outlet pipe, and the settled mud water particles are collected at the bottom of the sedimentation tank.
Drawings
The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic diagram of an embodiment of a novel apparatus for enhancing screening of granular sludge for wastewater treatment in accordance with the present utility model;
fig. 2 is a schematic cross-sectional structure of a novel apparatus for enhancing screening of granular sludge for sewage treatment according to an embodiment of the present utility model, and the main elements are as follows:
entering a pool 1; an intermediate treatment tank 2; a tail treatment tank 3; a water outlet pipe 4; an aeration device 5; a connection port 6;
a step 101; a circulation tank 201; a sedimentation tank 202; a placement table 203; a slot 204; a baffle 205; a circulation flow plate 206; an overflow trough 207; an aerator pipe 501; a generating device 502.
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the novel device for strengthening screening of granular sludge in sewage treatment comprises a water inlet tank 1, wherein the output end of the water inlet tank 1 is connected with an intermediate treatment tank 2, the intermediate treatment tank 2 is connected with a tail treatment tank 3, the intermediate treatment tank 2 and the tail treatment tank 3 have the same structure, the tail treatment tank 3 is provided with a plurality of water outlet pipes 4 relative to the intermediate treatment tank 2, and the tail treatment tank 3 is provided with a plurality of aeration devices 5 relative to the intermediate treatment tank 2;
a plurality of steps 101 are arranged in the water inlet tank 1, and the height dimension of the steps 101 is sequentially increased from the water inlet end to the water outlet end;
the intermediate treatment tank 2 is divided into a circulation tank 201 and a sedimentation tank 202, a placing table 203, a slot 204 and a baffle 205 are arranged in the circulation tank 201, the middle position of the placing table 203 is not shielded, a circulation plate 206 is arranged in the placing table 203 and the slot 204, the circulation tank 201 enables flowing water to flow in an S shape under the effect of the baffle 205 and the circulation plate 206, an overflow groove 207 communicated with the sedimentation tank 202 is arranged at the tail of the circulation tank 201, and an aeration device 5 is arranged at the bottom of the sedimentation tank 202 in the intermediate treatment tank 2.
In this embodiment, when a new device for strengthening the screening of granular sludge for sewage treatment is used, sewage flows into the water tank 1 from the end of the water tank 1 farthest from the intermediate treatment tank 2, the steps 101 play a role in blocking large impurities, after the sewage enters the intermediate treatment tank 2, the sewage passes through between the placement tables 203 under the blocking effect of the circulation plate 206, and then flows from the upper side of the baffle 205, that is, the S-shaped flow is formed, the fusion of sludge particles is fully ensured, the treatment effect of the sewage is ensured, the sludge particles collected later are ensured to be the sediment of the sludge after the water treatment is completed, when the water body flows to the position of the overflow tank 207, the water flows into the sedimentation tank 202 in the intermediate treatment tank 2, the aeration device 5 is operated, the fusion effect is further strengthened, the sewage particles can smoothly enter the tail treatment tank 3, when the sedimentation tank 202 in the tail treatment tank 3, the sludge with good sedimentation is settled to the bottom, the sludge with poor sedimentation is screened out, and finally the sludge with poor sedimentation is discharged from the water outlet pipe, and the settled sludge particles are collected at the bottom of the sedimentation tank.
Preferably, the input end of the tail treatment tank 3 is connected with the farthest end of the sedimentation tank 202, which is located at the farthest end of the overflow trough 207, and at least three connection ports 6 are arranged, and the three connection ports 6 are respectively arranged at the upper, middle and lower positions, so that the design is suitable for the water body flow with different water levels, and in fact, the number and the positions of the connection ports 6 can be considered according to specific situations.
Preferably, the edge of the circulation plate 206 is provided with a sealing ring, so that water is prevented from flowing through the gap, and in practice, sealing measures can be considered according to the specific situation.
Preferably, the steps 101 have at least three sections, so that the design has good primary filtering and sedimentation effects, and the number of the steps 101 can be considered according to the specific situation.
Preferably, at least six circulation plates 206 are installed in the circulation tank 201, which is designed to ensure a multistage mixing effect, and in practice the number of circulation plates 206 may also be considered as the case may be.
Preferably, the aeration device 5 comprises an aeration pipe 501 arranged at the bottom of the sedimentation tank 202 in the intermediate treatment tank 2, and the input end of the aeration pipe 501 is connected with a generating device 502 arranged at the outer side of the intermediate treatment tank 2, so that the aeration effect is ensured, and in practice, the selection of the aeration device 5 can be considered according to specific conditions.
The inlet end of the outlet pipe 4 is preferably provided with a filter screen, which is designed to prevent clogging of the outlet pipe 4, and in practice, the measures to prevent clogging may be taken into account as the case may be.
Preferably, a plurality of intermediate treatment tanks 2 can be arranged, and only the whole water flow is ensured to be S-shaped, so that the screening effect on the granular sludge is ensured, and in fact, the number of the intermediate treatment tanks 2 can be considered according to specific conditions.
The circulation flow plate 206 is preferably a metal plate coated with an anti-corrosion coating, which is designed to ensure the service life, and in practice, the choice of material of the circulation flow plate 206 may be considered according to the circumstances.
The depth of the overflow trough 207 is preferably not less than half a meter from the upper surface of the intermediate treatment tank 2, but not less than the highest horizontal surface of the circulation plate 206 after being mounted on the placement table 203, so that the treatment and overflow effects of the water body are ensured, and in practice, the depth of the overflow trough 207 may be considered according to the specific circumstances.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the utility model disclosed herein.
Claims (10)
1. A novel device for strengthening screening of sewage treatment granular sludge is characterized in that: the device comprises a water inlet tank (1), wherein the output end of the water inlet tank (1) is connected with an intermediate treatment tank (2), the intermediate treatment tank (2) is connected with a tail treatment tank (3), the intermediate treatment tank (2) and the tail treatment tank (3) have the same structure, the tail treatment tank (3) is provided with a water outlet pipe (4) relatively to the intermediate treatment tank (2), and the tail treatment tank (3) is provided with an aeration device (5) relatively to the intermediate treatment tank (2);
a plurality of steps (101) are arranged in the water inlet tank (1), and the height dimension of the steps (101) is sequentially increased from the water inlet end to the water outlet end;
the middle treatment pool (2) is divided into a circulation pool (201) and a sedimentation pool (202), a placing table (203), a slot (204) and a baffle (205) are arranged in the circulation pool (201), the middle position of the placing table (203) is not shielded, a circulation plate (206) is placed in the placing table (203) and the slot (204), the circulation pool (201) enables flowing water to flow in an S shape under the effect of the baffle (205) and the circulation plate (206), an overflow groove (207) communicated with the sedimentation pool (202) is arranged at the tail of the circulation pool (201), and an aeration device (5) is arranged at the bottom of the sedimentation pool (202) in the middle treatment pool (2).
2. A novel apparatus for enhancing the screening of sewage treatment granular sludge according to claim 1, wherein: the input end of the tail treatment tank (3) is connected with the farthest end of the sedimentation tank (202) at a distance from the overflow groove (207), and is provided with at least three connecting ports (6), wherein the three connecting ports (6) are respectively arranged at the upper, middle and lower positions.
3. A novel apparatus for enhancing the screening of sewage treatment granular sludge according to claim 2, wherein: and a sealing ring is arranged on the edge of the circulation plate (206).
4. A novel apparatus for enhancing the screening of sewage treatment granular sludge according to claim 3, wherein: the step (101) has at least three sections.
5. A novel apparatus for enhancing a screening of granular sludge for sewage treatment as claimed in claim 4 wherein: at least six circulation plates (206) are arranged in the circulation tank (201).
6. A novel apparatus for enhancing a screening of granular sludge for sewage treatment as claimed in claim 5 wherein: the aeration device (5) comprises an aeration pipe (501) arranged at the bottom of the sedimentation tank (202) in the intermediate treatment tank (2), and the input end of the aeration pipe (501) is connected with a generating device (502) arranged at the outer side of the intermediate treatment tank (2).
7. A novel apparatus for enhancing a screening of granular sludge for sewage treatment as claimed in claim 6 wherein: the filter screen is arranged at the input end of the water outlet pipe (4).
8. A novel apparatus for enhancing a screening of granular sludge for sewage treatment as claimed in claim 7 wherein: the number of the intermediate treatment tanks (2) can be multiple, and the overall water flow is only required to be ensured to be S-shaped.
9. A novel apparatus for enhancing a screening of granular sludge for sewage treatment as claimed in claim 8 wherein: the circulation flow plate (206) is a metal plate coated with an anti-corrosion coating.
10. A novel apparatus for enhancing a screening of granular sludge for sewage treatment as claimed in claim 9 wherein: the overflow trough (207) has a trough depth dimension not less than half a meter from the upper surface of the intermediate treatment basin (2), but not less than the highest level of the circulation plate (206) after being mounted on the placement table (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223358168.9U CN219376153U (en) | 2022-12-12 | 2022-12-12 | Novel device for strengthening screening of sewage treatment granular sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223358168.9U CN219376153U (en) | 2022-12-12 | 2022-12-12 | Novel device for strengthening screening of sewage treatment granular sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219376153U true CN219376153U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223358168.9U Active CN219376153U (en) | 2022-12-12 | 2022-12-12 | Novel device for strengthening screening of sewage treatment granular sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219376153U (en) |
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2022
- 2022-12-12 CN CN202223358168.9U patent/CN219376153U/en active Active
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