CN220684804U - Sewage treatment sedimentation tank - Google Patents
Sewage treatment sedimentation tank Download PDFInfo
- Publication number
- CN220684804U CN220684804U CN202321864431.3U CN202321864431U CN220684804U CN 220684804 U CN220684804 U CN 220684804U CN 202321864431 U CN202321864431 U CN 202321864431U CN 220684804 U CN220684804 U CN 220684804U
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- Prior art keywords
- tank
- sedimentation tank
- flow plate
- sedimentation
- diagonal flow
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 101
- 239000010865 sewage Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000005189 flocculation Methods 0.000 claims abstract description 25
- 230000016615 flocculation Effects 0.000 claims abstract description 25
- 239000010802 sludge Substances 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229940037003 alum Drugs 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Abstract
The utility model discloses a sewage treatment sedimentation tank, which comprises a front mixing tank, a front flocculation tank, an inclined flow plate pre-sedimentation tank and a secondary sedimentation tank; the front-end mixing tank is communicated with the front-end flocculation tank, the front-end flocculation tank is communicated with the diagonal flow plate pre-sedimentation tank, the diagonal flow plate pre-sedimentation tank is arranged between the front-end flocculation tank and the secondary sedimentation tank, and a lateral diagonal flow plate for pre-sedimentation treatment of sewage is arranged in the diagonal flow plate pre-sedimentation tank; according to the sewage treatment sedimentation tank, the lateral inclined flow plate and the upward flow inclined pipe are used in series, the problem that sludge in a water outlet area turns up is solved, the water quality of the water outlet is guaranteed, and meanwhile, the mixing tank, the flocculation reaction tank, the pre-sedimentation area, the secondary sedimentation area and the like are combined and assembled into an integrated efficient sedimentation device, so that the water treatment continuity is improved, the equipment use space is reduced, and the integral construction of the sedimentation tank is facilitated.
Description
Technical Field
The utility model relates to the field of sewage treatment, in particular to a sewage treatment sedimentation tank.
Background
In the field of water treatment engineering, coagulating sedimentation is a common treatment process, and relates to various water treatment modes. The precipitation process can remove 80% -90% of suspended solid matters, and plays a very important role in the whole process.
At present, a horizontal flow sedimentation tank, a vertical flow sedimentation tank, an inclined tube sedimentation tank and the like are generally adopted for sedimentation in the sedimentation tank. The basic principle of sedimentation is that when the solid particles flow along with the liquid, the solid particles move downwards under the action of gravity and gradually sediment to the bottom of the tank to be trapped, and the clarified liquid flows out from the surface of the tank, so that the solid-liquid separation is realized. However, when the existing sedimentation tank is used for sedimentation treatment, the problem that sludge in a water outlet area turns upwards is solved, the quality of final water outlet is affected, and meanwhile, the traditional treatment tank is not used for integrated treatment, so that occupied space is large, and space utilization efficiency is low.
For this reason, it is required to provide a sewage treatment sedimentation tank for solving the above problems.
Disclosure of Invention
In view of this, this technical scheme's sewage treatment sedimentation tank realizes establishing ties the use with side direction inclined flow board and upward flow inclined tube, solves the problem that goes up turning over of play water district mud, has guaranteed out water quality, combines the high-efficient sediment device of integration with mixing tank and flocculation reaction pond, preliminary sedimentation district and secondary sedimentation district etc. simultaneously for water treatment continuity degree obtains promoting, has reduced equipment usage space simultaneously, also is convenient for sedimentation tank overall construction.
A sewage treatment sedimentation tank, which comprises a preposed mixing tank, a preposed flocculation tank, an oblique flow plate pre-sedimentation tank and a secondary sedimentation tank; the front-end mixing tank is communicated with the front-end flocculation tank, the front-end flocculation tank is communicated with the diagonal flow plate pre-sedimentation tank, the diagonal flow plate pre-sedimentation tank is arranged between the front-end flocculation tank and the secondary sedimentation tank, and a lateral diagonal flow plate for pre-sedimentation treatment of sewage is arranged in the diagonal flow plate pre-sedimentation tank.
Further, the whole side direction diagonal flow board is the structure of falling "V", the side direction diagonal flow board is the polylith, and the polylith the side direction diagonal flow board is along same installation direction installation formation diagonal flow board group.
Furthermore, the diagonal flow plate sets are multiple groups and are arranged in parallel, and a sludge collecting hopper is arranged below the diagonal flow plate sets.
Further, upward inclined flow pipes are arranged in the secondary sedimentation tank, a supporting plate matched with the upward inclined flow pipes for use is arranged in the secondary sedimentation tank, and a water outlet collecting tank for discharging water is arranged above the secondary sedimentation tank.
Further, a water distribution perforated wall is arranged between the front flocculation tank and the diagonal flow plate pre-sedimentation tank.
Further, a water outlet steady flow perforated wall is arranged between the diagonal flow plate pre-sedimentation tank and the secondary sedimentation tank.
Further, the device also comprises a concentration tank, and connecting pipes for communicating the concentration tank are arranged below the diagonal flow plate pre-sedimentation tank and the secondary sedimentation tank.
The beneficial effects of the utility model are as follows:
according to the sewage treatment sedimentation tank, the lateral inclined flow plate and the upward flow inclined pipe are used in series, the problem that sludge in a water outlet area turns up is solved, the water quality of the water outlet is guaranteed, and meanwhile, the mixing tank, the flocculation reaction tank, the pre-sedimentation area, the secondary sedimentation area and the like are combined and assembled into an integrated efficient sedimentation device, so that the water treatment continuity is improved, the equipment use space is reduced, and the integral construction of the sedimentation tank is facilitated.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic view of a lateral diagonal flow plate.
Detailed Description
FIG. 1 is a schematic diagram of the overall structure of the present utility model; FIG. 2 is a schematic view of a lateral diagonal flow plate; as shown in the figure, the sewage treatment sedimentation tank comprises a preposed mixing tank 1, a preposed flocculation tank 2, an inclined flow plate pre-sedimentation tank 3 and a secondary sedimentation tank 4; the pre-mixing tank 1 is communicated with the pre-flocculation tank 2, the pre-flocculation tank 2 is communicated with the diagonal flow plate pre-sedimentation tank 3, the diagonal flow plate pre-sedimentation tank 3 is arranged between the pre-flocculation tank 2 and the secondary sedimentation tank 4, and a lateral diagonal flow plate 8 for pre-sedimentation treatment of sewage is arranged in the diagonal flow plate pre-sedimentation tank 3; according to the sewage treatment sedimentation tank, the lateral inclined flow plate 8 and the upward flow inclined pipe 10 are used in series, the problem that sludge in a water outlet area turns upwards is solved, the water quality of the water outlet is guaranteed, meanwhile, the mixing tank, the flocculation reaction tank, the pre-sedimentation area, the secondary sedimentation area and the like are combined and assembled into an integrated efficient sedimentation device, the water treatment continuity degree is improved, the equipment use space is reduced, and the integral construction of the sedimentation tank is facilitated.
In this embodiment, the lateral diagonal flow plate 8 is integrally in an inverted V-shaped structure, and a plurality of lateral diagonal flow plates are installed along the same installation direction to form a diagonal flow plate group. As shown in FIG. 2, the single lateral inclined flow plate 8 is of an inverted V-shaped structure, sludge is not easy to float upwards, sludge precipitation is facilitated, and the inclined flow plate groups are formed by overlapping the lateral inclined flow plates 8, so that the installation space is reduced, and the space utilization rate is improved.
In this embodiment, the diagonal flow plate sets are multiple groups and the diagonal flow plate sets are arranged in parallel, and a sludge collecting bucket 12 is arranged below the diagonal flow plate sets. As shown in fig. 2, the diagonal flow plate sets are multiple groups and multiple groups are continuously arranged, and the diagonal flow plate sets are arranged above the sludge hopper 12, so that the diagonal flow plate sets can be obliquely arranged at a certain angle relative to the horizontal direction when being arranged, the filtering effect is improved, and sludge impurities can be conveniently discharged from the sludge hopper 12 downwards.
In this embodiment, an upward inclined flow pipe 10 is disposed in the secondary sedimentation tank 4, a support plate used in cooperation with the upward inclined flow pipe 10 is installed in the secondary sedimentation tank, and a water outlet collecting tank 11 for discharging water is disposed above the secondary sedimentation tank 4. The diagonal flow plate pre-sedimentation tank 3 and the secondary sedimentation tank 4 are communicated, sewage enters the secondary sedimentation tank 4 after passing through the lateral diagonal flow plate 8, is discharged to the water outlet water collecting tank 11 after being treated by a plurality of groups of upward diagonal flow pipes 10 which are arranged in parallel, is finally discharged, and is subjected to two-time serial connection treatment by the lateral diagonal flow plate 8 and the upward diagonal flow pipes 10, so that sludge in water is greatly removed, and the problem of upward turning of sludge in a water outlet area is effectively solved.
In this embodiment, a water distribution perforated wall 7 is arranged between the pre-flocculation tank 2 and the diagonal flow plate pre-sedimentation tank 3. Through the arrangement of the water distribution perforated wall 7, the flow is uniformly distributed on the water inlet section, and the disturbance to the sedimentation tank is reduced.
In this embodiment, a water outlet steady flow perforated wall 9 is arranged between the diagonal flow plate pre-sedimentation tank 3 and the secondary sedimentation tank 4. The water flow stabilization perforated wall 9 enables water flow to be more stable, and disturbance of the sedimentation tank is reduced.
In this embodiment, the device further comprises a concentration tank 5, and connecting pipes for communicating the concentration tank are arranged below the diagonal flow plate pre-sedimentation tank and the secondary sedimentation tank. The device room 6 is also arranged, so that the device room is convenient to be matched with an integral sewage tank for use, sewage enters the front mixing tank 1, coagulant is added into the front mixing tank, the sewage is mixed with the returned sludge (the concentration tank 5 is communicated with the front mixing tank 1 and is used for returning the sludge, the concentrated sludge of the inclined flow plate pre-sedimentation tank 3 and the secondary sedimentation tank 4 flows into the concentration tank 5 and is discharged through a sludge pump), the violent stirring is carried out in the tank, the evenly mixed sewage flows into the front flocculation tank 2, flocculant is added into the front mixing tank, slow stirring is carried out, and the flocculation time is about 10min, so that alum blossom is generated; then alum and water flow enter the next tank body through the water distribution perforated flower wall 7.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (7)
1. A sewage treatment sedimentation tank which is characterized in that: comprises a preposed mixing tank, a preposed flocculation tank, an inclined flow plate pre-sedimentation tank and a secondary sedimentation tank; the front-end mixing tank is communicated with the front-end flocculation tank, the front-end flocculation tank is communicated with the diagonal flow plate pre-sedimentation tank, the diagonal flow plate pre-sedimentation tank is arranged between the front-end flocculation tank and the secondary sedimentation tank, and a lateral diagonal flow plate for pre-sedimentation treatment of sewage is arranged in the diagonal flow plate pre-sedimentation tank.
2. The wastewater treatment sedimentation tank of claim 1, wherein: the lateral diagonal flow plates are integrally in an inverted V-shaped structure, a plurality of lateral diagonal flow plates are arranged, and a plurality of lateral diagonal flow plates are arranged along the same installation direction to form diagonal flow plate groups.
3. The wastewater treatment sedimentation tank of claim 2, wherein: the inclined flow plate sets are multiple groups and are arranged in parallel, and a sludge collecting hopper is arranged below the inclined flow plate sets.
4. A wastewater treatment sedimentation tank according to claim 3, characterized in that: an upward inclined flow pipe is arranged in the secondary sedimentation tank, a supporting plate matched with the upward inclined flow pipe for use is arranged in the secondary sedimentation tank, and a water outlet collecting tank for discharging water is arranged above the secondary sedimentation tank.
5. The wastewater treatment sedimentation tank of claim 1, wherein: a water distribution perforated wall is arranged between the front flocculation tank and the diagonal flow plate pre-sedimentation tank.
6. The wastewater treatment sedimentation tank of claim 1, wherein: and a water outlet steady flow perforated wall is arranged between the diagonal flow plate pre-sedimentation tank and the secondary sedimentation tank.
7. The wastewater treatment sedimentation tank of claim 1, wherein: the device also comprises a concentration tank, and connecting pipes for communicating the concentration tank are arranged below the diagonal flow plate pre-sedimentation tank and the secondary sedimentation tank.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321864431.3U CN220684804U (en) | 2023-07-14 | 2023-07-14 | Sewage treatment sedimentation tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321864431.3U CN220684804U (en) | 2023-07-14 | 2023-07-14 | Sewage treatment sedimentation tank |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220684804U true CN220684804U (en) | 2024-03-29 |
Family
ID=90404833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321864431.3U Active CN220684804U (en) | 2023-07-14 | 2023-07-14 | Sewage treatment sedimentation tank |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220684804U (en) |
-
2023
- 2023-07-14 CN CN202321864431.3U patent/CN220684804U/en active Active
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