CN213326880U - High-density sedimentation tank - Google Patents
High-density sedimentation tank Download PDFInfo
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- CN213326880U CN213326880U CN202021999295.5U CN202021999295U CN213326880U CN 213326880 U CN213326880 U CN 213326880U CN 202021999295 U CN202021999295 U CN 202021999295U CN 213326880 U CN213326880 U CN 213326880U
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Abstract
The utility model discloses a high density sedimentation tank, including the treatment tank, be equipped with the external quick-mixing pond that has the inlet tube in the treatment tank bottom, with the flocculation reaction tank of quick-mixing pond intercommunication and with the inclined plate sedimentation concentrated tank of flocculation reaction tank intercommunication, be equipped with coagulant dosing pipe and coagulating mixer in the quick-mixing pond, be equipped with flocculating agent dosing pipe and flocculating mixer in the flocculation reaction tank, flocculating mixer's stirring rake stretches into in the central cylinder of flocculation reaction tank, the top is equipped with the water catch bowl in the inclined plate sedimentation concentrated tank, upper portion is equipped with the swash plate, the bottom is equipped with concentrated stirring mud scraper and bagger, the water catch bowl is external to have the outlet pipe, the inclined plate sedimentation concentrated tank is divided into pre-settling zone and pipe settling zone by the baffle, the bagger passes through external sludge discharge pump to between sludge dewatering, communicate to flocculation reaction tank bottom through the sludge reflux pump. The premixing and flocculation effect of the high-density sedimentation tank is remarkable, the sedimentation efficiency is high, the effluent quality is good, the structure is simple, the construction period is short, the efficiency is high, and the occupied area is small.
Description
Technical Field
The utility model belongs to the waste water treatment field, concretely relates to high density sedimentation tank.
Background
Compared with the traditional sedimentation tank, the high-density sedimentation tank has the advantages of high surface load, high sludge concentration, good effluent quality, strong impact resistance and the like. In some special municipal sewage treatment engineering projects, the construction period of the conventional high-density sedimentation tank may not meet the requirements under the conditions of short construction period and limited construction sites.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high density sedimentation tank, this high density sedimentation tank is in advance flocculated the effect and is showing, and precipitation efficiency is high, and it is good to go out water quality of water, simple structure, and the construction period is short, high-efficient economy, and area is little.
The utility model adopts the technical proposal that:
the utility model provides a high density sedimentation tank, including the treatment tank, be equipped with the external flash mixed pond that has the inlet tube in the treatment tank bottom, with the flocculation reaction pond of flash mixed pond intercommunication and with the inclined plate sedimentation concentrated tank of flocculation reaction pond intercommunication, be equipped with coagulant in the flash mixed pond and add pencil and coagulating stirrer, be equipped with flocculating agent in the flocculation reaction pond and add pencil and flocculating stirrer, flocculating stirrer's stirring rake stretches into in the central cylinder of flocculation reaction pond, the top is equipped with the water catch bowl in the inclined plate sedimentation concentrated tank, upper portion is equipped with the swash plate, the bottom is equipped with concentrated stirring mud scraper and bagger, the water catch bowl is external to have the outlet pipe, the inclined plate sedimentation concentrated tank is divided into pre-settling area and pipe settling area by the baffle, the bagger passes through between sludge discharge pump external to sludge dewatering, communicate to flocculation reaction bottom through the mud backwash pump.
Furthermore, the rapid mixing tank is positioned in the central position of the treatment tank, the flocculation reaction tank is distributed on the periphery of the rapid mixing tank, and the inclined plate sedimentation concentration tank is distributed on the periphery of the flocculation reaction tank.
Further, the processing pond is the rectangle, and the flash mixed pond is located the center of processing pond, and four flocculation reaction pond symmetric distributions are in the periphery of flash mixed pond, and four swash plate sedimentation concentration pond symmetric distributions are in the periphery of flash mixed pond and are located four angles of processing pond.
Furthermore, the tank bodies of the treatment tank, the rapid mixing tank, the flocculation reaction tank and the inclined plate sedimentation concentration tank are all made of steel structures.
Furthermore, an equipment room is arranged right below the treatment tank, and a sludge discharge pump and a sludge reflux pump are arranged in the equipment room.
Further, the rapid mixing tank is communicated with the flocculation reaction tank through an upper opening, and the flocculation reaction tank is communicated with the inclined plate sedimentation concentration tank through a lower diversion trench.
Furthermore, the inclined plate sedimentation concentration tanks respectively use one sludge reflux pump, and all the inclined plate sedimentation concentration tanks share one sludge discharge pump.
Furthermore, the coagulant dosing pipe and the flocculant dosing pipe are both annular dosing pipes.
Furthermore, a coagulant dosing pipe is positioned below the coagulation stirrer and above the bottom of the rapid mixing tank, and a flocculant dosing pipe is positioned below the flocculation stirrer and above the bottom of the flocculation reaction tank.
The utility model has the advantages that:
the high-density sedimentation tank has obvious pre-mixing and flocculation effect, high sedimentation efficiency, good effluent quality, simple structure, short construction period, high efficiency and economy, small occupied area, and small occupied area, wherein raw water enters the rapid mixing tank through the water inlet pipe, a certain speed gradient is ensured under the stirring action of the coagulation mixer, the raw water is rapidly mixed with a coagulant added by a coagulant adding pipe, then the raw water enters the flocculation reaction tank, and is mixed with a flocculant added by the flocculant adding pipe and sludge reflowed by the inclined plate sedimentation concentration tank under the stirring action of the multiple circulation rate of the flocculation mixer, simultaneously, the flocculation mixer shears suspended solids in water to form large floccules easy to settle again, then the floccules enter the inclined plate sedimentation concentration tank, the floccules easy to settle rapidly in a pre-settling area, and the floccules which are not precipitated and are not easy to settle are captured by the inclined plate, finally, high-quality effluent is collected by a water collecting tank and is discharged to a lower-level structure by a water outlet pipe.
Drawings
Fig. 1 is a plan view of a high-density sedimentation tank in an embodiment of the present invention.
Fig. 2 is a sectional view of the high-density sedimentation tank according to the embodiment of the present invention.
In the figure: 1-a treatment tank; 2-a rapid mixing tank; 3-a flocculation reaction tank; 4-inclined plate sedimentation concentration tank; 5-sludge discharge pump; 6-sludge reflux pump; 7-a coagulant dosing pipe; 8-a coagulation mixer; 9-flocculant dosing pipe; 10-a flocculation stirrer; 11-a central barrel; 12-a sloping plate; 13-concentrating, stirring and mud-scraping machine; 14-a mud bucket; 15-water collecting tank.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in figures 1 and 2, a high-density sedimentation tank comprises a treatment tank 1, a rapid mixing tank 2 with a water inlet pipe externally connected at the bottom, a flocculation reaction tank 3 communicated with the rapid mixing tank 2 and an inclined plate sedimentation concentration tank 4 communicated with the flocculation reaction tank 3 are arranged in the treatment tank 1, a coagulant adding pipe 7 and a coagulation mixer 8 are arranged in the rapid mixing tank 2, a flocculant adding pipe 9 and a flocculation mixer 10 are arranged in the flocculation reaction tank 3, a stirring paddle of the flocculation mixer 10 extends into a central cylinder 11 of the flocculation reaction tank 3, a water collecting tank 15 is arranged at the top in the inclined plate sedimentation concentration tank 4, an inclined plate 12 is arranged at the upper part, the bottom is equipped with concentrated stirring mud scraper 13 and mud bucket 14, and the catch bowl 15 is external to have the outlet pipe, and inclined plate sedimentation thickening pond 4 is divided into pre-settling zone and pipe chute settling zone by the baffle, and mud bucket 14 passes through mud dredge pump 5 and external to the sludge dewatering within a definite time, communicates to flocculation reaction tank 3 bottom through mud backwash pump 6.
As shown in figure 1, in the embodiment, the rapid mixing tank 2 is located at the central position of the treatment tank 1, the flocculation reaction tank 3 is distributed at the periphery of the rapid mixing tank 2, and the inclined plate sedimentation concentration tank 4 is distributed at the periphery of the flocculation reaction tank 3, so that the arrangement structure is compact, and the occupied area is saved. Specifically, handle pond 1 and be the rectangle, flash mixed pond 2 is located the center of handling pond 1, and four 3 symmetric distributions in the periphery of flash mixed pond 2 of flocculation reaction pond, and four 4 symmetric distributions of inclined plate sedimentation concentration pond are in the periphery of flash mixed pond 3 and are located four angles of handling pond 1, should set up easy to assemble, construction and location.
In this embodiment, the cell bodies of the treatment pool 1, the rapid mixing pool 2, the flocculation reaction pool 3 and the inclined plate sedimentation concentration pool 4 all adopt steel structures, and can be directly welded and constructed on site, thereby greatly improving the construction efficiency, shortening the construction period and being particularly suitable for urgent engineering projects.
In this embodiment, flash mixed pond 2 communicates through the trompil on upper portion with flocculation reaction pond 3, and flocculation reaction pond 3 communicates through the guiding gutter of lower part with inclined plate sedimentation concentrated pond 4.
In this embodiment, be equipped with the equipment room under the treatment tank 1, sludge pump 5 and sludge reflux pump 6 are all established in the equipment room, are convenient for save space, are applicable to the engineering project that the place is restricted.
In this embodiment, the inclined plate sedimentation concentration tanks 4 each use one sludge reflux pump 6, all the inclined plate sedimentation concentration tanks 4 share one sludge discharge pump 5, and the inclined plate sedimentation concentration tanks 4 use the sludge discharge pump 5 in batches.
In this embodiment, the coagulant dosing pipe 7 and the flocculant dosing pipe 9 are both annular dosing pipes; the coagulant dosing pipe 7 is positioned below the coagulating mixer 8 and above the bottom of the rapid mixing tank 2, and the flocculating agent dosing pipe 9 is positioned below the flocculating mixer 10 and above the bottom of the flocculating reaction tank 3.
The high-density sedimentation tank has the advantages of remarkable pre-mixing and flocculation effect, high sedimentation efficiency, good effluent quality, simple structure, short construction period, high efficiency and economy, small occupied area, and short construction period, wherein raw water enters the rapid mixing tank 2 through the water inlet pipe, a certain speed gradient is ensured under the stirring action of the coagulation mixer 8, the raw water is rapidly mixed with a coagulant (the coagulant is generally aluminum salt or ferric salt) added by a coagulant adding pipe 7, then the raw water enters the flocculation reaction tank 3, and is mixed with a flocculant (the flocculant is generally polyacrylamide) added by a flocculant adding pipe 9 and sludge reflowed by the inclined plate sedimentation concentration tank 4 under the stirring action of the multiple circulation rate of the flocculation mixer 10, meanwhile, the flocculation mixer 10 shears suspended solids in water to form a large flocculating constituent easy to settle again, then the flocculating constituent enters the inclined plate sedimentation concentration tank 4 and is in a pre-settling area, the flocs which are easy to precipitate are quickly precipitated, small flocs which are not ready to precipitate and are not easy to precipitate are captured by the inclined plate 12, and finally high-quality effluent is collected by the water collecting tank 15 and is discharged to a next-level structure by the water outlet pipe.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (9)
1. A high density sedimentation tank which is characterized in that: including the treatment tank, be equipped with the external quick-mixing pond that has the inlet tube in bottom in the treatment tank, with the flocculation reaction pond of quick-mixing pond intercommunication and with the inclined plate sedimentation concentrated pond of flocculation reaction pond intercommunication, be equipped with coagulant dosing pipe and coagulating mixer in the quick-mixing pond, be equipped with flocculating agent dosing pipe and flocculating mixer in the flocculation reaction pond, the stirring rake of flocculating mixer stretches into in the central cylinder of flocculation reaction pond, the top is equipped with the water catch bowl in the inclined plate sedimentation concentrated pond, upper portion is equipped with the swash plate, the bottom is equipped with concentrated stirring and scrapes mud machine and bagger, the water catch bowl is external to have the outlet pipe, the inclined plate sedimentation concentrated pond is divided into pre-settling zone and pipe settling zone by the baffle, the bagger passes through between mud dredge pump external to sludge dewatering, communicate to flocculation reaction bottom through mud backwash.
2. A high density settling tank as defined in claim 1, wherein: the rapid mixing tank is positioned in the central position of the treatment tank, the flocculation reaction tank is distributed on the periphery of the rapid mixing tank, and the inclined plate sedimentation concentration tank is distributed on the periphery of the flocculation reaction tank.
3. A high density settling tank as defined in claim 2, wherein: the processing pool is the rectangle, and the flash mixed pond is located the center of handling the pond, and four flocculation reaction pond symmetric distributions are in the periphery of flash mixed pond, and four swash plate sedimentation concentration tank symmetric distributions are in the periphery of flash mixed pond and are located four angles of handling the pond.
4. A high density settling tank as defined in claim 1, wherein: the tank bodies of the treatment tank, the rapid mixing tank, the flocculation reaction tank and the inclined plate sedimentation concentration tank are all made of steel structures.
5. A high density settling tank as defined in claim 1, wherein: an equipment room is arranged under the treatment tank, and a sludge discharge pump and a sludge reflux pump are arranged in the equipment room.
6. A high density sedimentation tank as claimed in any one of claims 1 to 5, wherein: the rapid mixing tank is communicated with the flocculation reaction tank through the upper opening, and the flocculation reaction tank is communicated with the inclined plate sedimentation concentration tank through the lower diversion trench.
7. A high density sedimentation tank as claimed in any one of claims 1 to 5, wherein: the inclined plate sedimentation concentration tanks respectively use a sludge reflux pump, and all the inclined plate sedimentation concentration tanks share a sludge discharge pump.
8. A high density sedimentation tank as claimed in any one of claims 1 to 5, wherein: the coagulant dosing pipe and the flocculant dosing pipe are both annular dosing pipes.
9. A high density sedimentation tank as claimed in any one of claims 1 to 5, wherein: the coagulant dosing pipe is positioned below the coagulating mixer and above the bottom of the rapid mixing tank, and the flocculating agent dosing pipe is positioned below the flocculating mixer and above the bottom of the flocculating reaction tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021999295.5U CN213326880U (en) | 2020-09-14 | 2020-09-14 | High-density sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021999295.5U CN213326880U (en) | 2020-09-14 | 2020-09-14 | High-density sedimentation tank |
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| Publication Number | Publication Date |
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| CN213326880U true CN213326880U (en) | 2021-06-01 |
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| CN202021999295.5U Active CN213326880U (en) | 2020-09-14 | 2020-09-14 | High-density sedimentation tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113402002A (en) * | 2021-07-20 | 2021-09-17 | 内蒙古硕达智水生态科技有限公司 | High-efficient flocculation and precipitation system |
| CN114031221A (en) * | 2021-12-03 | 2022-02-11 | 黄河勘测规划设计研究院有限公司 | Water treatment system and method for treating high-sand-content source water |
-
2020
- 2020-09-14 CN CN202021999295.5U patent/CN213326880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113402002A (en) * | 2021-07-20 | 2021-09-17 | 内蒙古硕达智水生态科技有限公司 | High-efficient flocculation and precipitation system |
| CN114031221A (en) * | 2021-12-03 | 2022-02-11 | 黄河勘测规划设计研究院有限公司 | Water treatment system and method for treating high-sand-content source water |
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