CN215592788U - High-efficient sedimentation tank - Google Patents
High-efficient sedimentation tank Download PDFInfo
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- CN215592788U CN215592788U CN202121433726.6U CN202121433726U CN215592788U CN 215592788 U CN215592788 U CN 215592788U CN 202121433726 U CN202121433726 U CN 202121433726U CN 215592788 U CN215592788 U CN 215592788U
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- sand
- sedimentation tank
- water
- module
- separation module
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 47
- 239000004576 sand Substances 0.000 claims abstract description 141
- 238000000926 separation method Methods 0.000 claims abstract description 39
- 238000005273 aeration Methods 0.000 claims abstract description 16
- 238000007790 scraping Methods 0.000 claims abstract description 11
- 239000002893 slag Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000013049 sediment Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 description 12
- 238000007599 discharging Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 239000010802 sludge Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 241000446313 Lamella Species 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003911 water pollution Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model discloses a high-efficiency sedimentation tank which comprises a sedimentation tank main body, wherein an aeration device is arranged at an inlet of the sedimentation tank main body, a sand separation module is arranged between the inlet and an outlet in the sedimentation tank main body, a baffle is arranged on one side, away from the aeration device, of the sand separation module, a slag scraping module is arranged on the baffle, and a sand discharge screw is arranged at the bottom of the sand separation module. The utility model has the advantages that the utility model can run for a long time, has low failure rate, and can achieve 95 percent of separation efficiency for the superfine sand with the grain diameter more than 75 mu m; the sand setting swash plate module adopts the modularization mounting form, and earlier stage installation and later maintenance are convenient, greatly reduced use and maintenance cost, and the degree of automation of whole equipment is high, need not artificial intervention in the normal operating process.
Description
Technical Field
The utility model relates to the technical field of sewage treatment equipment, in particular to an efficient sedimentation tank.
Background
The topics about water pollution are continuously raised, particularly the problem of underground water pollution, farmers or enterprises in Hangzhou and Wenzhou Zhejiang pay for the environmental protection captivity to go to the river and swim, so that attention to the serious degree of water pollution is brought to people.
Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.
The high-efficiency sedimentation tank process is a new generation sedimentation process which is developed by relying on multiple theories of sludge coagulation, circulation, inclined tube separation, concentration and the like through reasonable hydraulic power and structural design and integrates sludge water separation and sludge concentration functions into a whole, the existing sedimentation tank has the following defects in the use process, has obvious effect on removing the particle size of more than 0.2mm, has poor effect on removing fine sand of less than 0.2mm, causes the long-term operation of subsequent biochemical process sections to accumulate the settled sand, causes damage to a bottom aeration device, a water pump and pipelines, and is necessary to strengthen the removal of the particle size of less than 0.2 mm.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and designs a high-efficiency sedimentation tank.
The technical scheme of the utility model is that the efficient sedimentation tank comprises a sedimentation tank main body, wherein an aeration device is arranged at an inlet of the sedimentation tank main body, a sand separation module is arranged between the inlet and an outlet in the sedimentation tank main body, a baffle is arranged on one side of the sand separation module, which is far away from the aeration device, a slag scraping module is arranged on the baffle, and a sand discharge screw is arranged at the bottom of the sand separation module.
As further description of the utility model, a sand outlet is arranged at the bottom of one end of the sand discharge screw, and a sand discharge mechanism is arranged at the sand outlet.
As a further description of the present invention, the sand discharging mechanism includes a sand discharging pump disposed at the sand outlet, an output end of the sand discharging pump is connected to a sand discharging pipeline, and a sand-water separating device is disposed at another end of the sand discharging pipeline.
As a further description of the utility model, the sand-water separation device comprises a sand-water separator connected to the other end of the sand discharge pipe.
As a further description of the utility model, the bottom of the sand-water separator is provided with a sand discharge collection box.
As a further description of the utility model, a water distribution plate is arranged on one side of the sand separation module.
As a further description of the utility model, the sedimentation tank main body is provided with a water-retaining weir plate at one side of the slag scraping module.
As a further description of the utility model, one side of the sedimentation tank main body is provided with a water outlet.
As a further description of the present invention, a plurality of sand settling inclined plates arranged regularly are arranged inside the sand separation module.
The utility model has the advantages that the utility model can run for a long time, has low failure rate, and can achieve 95 percent of separation efficiency for the superfine sand with the grain diameter more than 75 mu m; the sand setting swash plate module adopts the modularization mounting form, and earlier stage installation and later maintenance are convenient, greatly reduced use and maintenance cost, and the degree of automation of whole equipment is high, need not artificial intervention in the normal operating process.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic cross-sectional view from another perspective of the present invention.
In the figure, 1, a main body of a sedimentation tank; 2. an aeration device; 3. a sand separation module; 4. a baffle plate; 5. a slag scraping module; 6. a sand discharge screw; 7. a sand outlet; 8. a sand discharge mechanism; 9. a sand discharge pump; 10. a sand discharge pipeline; 11. a sand-water separation device; 12. a sand-water separator; 13. a sand discharge collecting box; 14. a water distribution plate; 15. a water-retaining weir plate; 16. a water outlet; 17. a sand setting sloping plate.
Detailed Description
Firstly, the utility model is designed with the original purpose that the sewage treatment process is frequently applied to a sedimentation tank, the high-efficiency sedimentation tank process is a new generation sedimentation process which is developed by relying on various theories of sludge coagulation, circulation, inclined tube separation and concentration and the like and integrating the functions of sludge water separation and sludge concentration through reasonable hydraulic power and structural design, the prior sand basin has the following defects in the use process, has obvious effect on removing the particle size of more than 0.2mm, has poor effect on removing fine sand of less than 0.2mm, causes the long-term operation of the subsequent biochemical process section to still have deposited sand accumulation, and damages the bottom aeration device, the water pump and the pipeline, and therefore, the removal of the particle size of less than 0.2mm is necessarily strengthened, and the utility model designs the high-efficiency sedimentation tank.
The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1-2, a high-efficiency sedimentation tank comprises a sedimentation tank main body 1, an aeration device 2 is arranged at the inlet of the sedimentation tank main body 1, a sand separation module 3 is arranged between the inlet and the outlet in the sedimentation tank main body 1, a water distribution plate 14 is arranged on one side of the sand separation module 3, a baffle plate 4 is arranged on one side of the sand separation module 3 far away from the aeration equipment 2, the baffle 4 is provided with a slag scraping module 5, the bottom of the sand separation module 3 is provided with a sand discharge screw 6, the area between the inlet of the sedimentation tank main body 1 and the water distribution plate 14 is a pre-reaction area, after sewage enters the pre-reaction area, the aeration equipment 2 carries out aeration treatment on the sewage, large particles sink to the bottom of the pool under the action of gravity and enter the sand discharge screw 6, and small-particle suspended matters, organic matters and the like stay in the middle or are suspended on the water surface.
Be provided with the board 14 that joins in marriage on sand separation module 3 one side to the suspension grit of holding back part sewage makes the grit strike and joins in marriage and sink to the bottom of the pool behind the board 14 to enter row's sand screw 6, the grit that guides suspension in the sewage simultaneously gets into the swash plate region of sand separation module 3.
The sand separation module 3 is the modularization installation, has a plurality of sand separation module 3 units, and the project civil engineering is promptly to sedimentation tank main part 1, and support piece is installed to both sides in the project civil engineering pond, and each modular unit of sand separation module 3 is installed on support piece through the formula of putting on seat, has the lug on the modular unit, easy to assemble and later maintenance handling.
The sand-settling sloping plates 17 are arranged in the sand separation module 3 regularly, the sand-settling sloping plates 17 in the sand separation module 3 are made of the Lamella plates, and the Lamella plates have the characteristics of light weight, no water absorption, no corrosion, high chemical resistance and the like, and meanwhile, the Lamella plates can be recovered by 100 percent, so that the use and maintenance cost is extremely low, the quality is light, the later lifting and replacement are convenient, and the maintenance risk is greatly reduced.
A water blocking weir plate 15 is arranged on one side of the sedimentation tank main body 1, which is positioned on the slag scraping module 5, and a water outlet 16 is arranged on one side of the sedimentation tank main body 1.
The utility model arranges a scum scraping module 5 behind a sand separation module 3 and in front of a water baffle 15, arranges a baffle 4 behind the scum scraping module 5, when sewage passes through a pre-reaction area and the sand separation module 3, organic matters and partial suspended matters in the sewage float on the water surface due to density and other problems and can not sink to the bottom of a pool, the baffle 4 intercepts the substances floating on the water surface on the upstream surface, and the scum scraping module 5 conveys scum in front of the baffle 4 to a scum collecting device or a scum outlet, thereby removing the scum on the water surface.
The bottom of the sedimentation tank is provided with an inclined plane which inclines towards the middle, the bottom is provided with a groove, after the sand discharge screw 6 is installed, cement is filled between the outer side frame of the sand discharge groove of the sand discharge screw 6 and the civil engineering groove until the cement is connected with the inclined planes at the two sides and the whole inclined plane is connected with the sand discharge groove of the sand discharge screw 6, all gravels sinking to the bottom of the sedimentation tank can enter the sand discharge groove of the sand discharge screw 6 under the action of gravity, a rectangular sand catching groove is arranged in front of the sand outlet 7, when the sand discharge screw 6 runs, all sand falling into the sand discharge groove of the sand discharge screw 6 is transported to the rectangular sand catching groove, so that the sand discharge pump 9 can discharge all sand out of the sedimentation tank through the sand outlet 7 in a unified manner,
a sand outlet 7 is arranged at the bottom of one end of the sand discharge screw 6, and a sand discharge mechanism 8 is arranged at the sand outlet 7.
This sand discharge mechanism 8 is including setting up the sand discharge pump 9 in sand outlet 7 department, the output of sand discharge pump 9 is connected with sand discharge pipe 10, the sand discharge pipe 10 other end is provided with sand water separator 11, and sand water separator 11 includes sand water separator 12 of being connected with the sand discharge pipe 10 other end, is provided with sand discharge collecting box 13 in the bottom of sand water separator 12.
Contain a large amount of moisture in the sand that the sand discharging pump 9 discharged, sand water separator 12 can remove the water to the sand that sand discharging pump 9 discharged, reduces the moisture in the sand to the weight of the sand that the reduction falls into sand discharging collection box 13 reduces later stage sand cost of transportation.
The utility model can run for a long time, has low failure rate, and can achieve 95 percent of separation efficiency for the superfine sand with the grain diameter more than 75 mu m; the sand setting sloping plate 17 module adopts the modularization installation form, and earlier stage installation and later maintenance are convenient, greatly reduced use and maintenance cost, and the degree of automation of whole equipment is high, need not artificial intervention in the normal operating process.
The working principle of the utility model is as follows: sewage enters a sedimentation tank from a project civil engineering inlet, an aeration device 2 makes the sewage fully react with oxygen, partial large-particle gravel falls into the bottom of the tank and enters a sand discharge screw 6, partial suspended particles are intercepted by a water distribution plate 14 and fall into the bottom of the tank and enter the sand discharge screw 6, suspended substances in the residual sewage are suspended in the middle after aeration treatment, organic matters float on the water surface after aeration treatment, the suspended sand falls to the bottom of the sedimentation tank along a sand settling inclined plate 17 in each unit and enters the sand discharge screw 6 after passing through a sand separation module 3, the organic matters and partial ultra-fine sand floating on the water surface are intercepted by a baffle 4 and are conveyed to a scum collecting device or a scum discharge port by a scum scraping module 5 in a unified way, the water after sand removal enters a water outlet cavity through a water baffle plate 15 and enters a next treatment process through a water outlet 16, all sand in front of the water baffle plate 15 falls into the sand discharge screw 6, when sand is accumulated to a certain degree, the sand discharge screw 6 is automatically started to transport all sand to the rectangular sand catching groove in front of the sand outlet 7, the sand discharge pump 9 conveys the sand to the sand-water separator 12 through the sand outlet 7 and the sand discharge pipeline 10 after the rectangular sand catching groove is full, and finally the sand after water removal is discharged into the sand discharge collecting box 13.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a high-efficient sedimentation tank, includes sedimentation tank main part (1), its characterized in that, the entrance of sedimentation tank main part (1) is provided with aeration equipment (2), it is provided with sand separation module (3) to lie in between entry and the export in sedimentation tank main part (1), aeration equipment (2) one side is kept away from in sand separation module (3) is provided with baffle (4), be provided with on baffle (4) and scrape sediment module (5), sand separation module (3) bottom is provided with sand discharge screw (6).
2. The efficient sedimentation tank as claimed in claim 1, wherein a sand outlet (7) is arranged at the bottom of one end of the sand discharge screw (6), and a sand discharge mechanism (8) is arranged at the sand outlet (7).
3. The high-efficiency sedimentation tank as claimed in claim 2, wherein the sand discharge mechanism (8) comprises a sand discharge pump (9) arranged at the sand outlet (7), the output end of the sand discharge pump (9) is connected with a sand discharge pipeline (10), and the other end of the sand discharge pipeline (10) is provided with a sand-water separation device (11).
4. A high efficiency sedimentation tank according to claim 3, wherein the sand-water separation device (11) comprises a sand-water separator (12) connected to the other end of the sand drain (10).
5. An efficient settling pond according to claim 4, characterized in that the bottom of the sand-water separator (12) is provided with a sand discharge collection tank (13).
6. An efficient settling pond according to claim 1, characterized in that a water distribution plate (14) is arranged at one side of the sand separation module (3).
7. An efficient sedimentation tank as claimed in claim 1, characterized in that the sedimentation tank body (1) is provided with a water-damming weir (15) on the side of the slag scraping module (5).
8. An efficient sedimentation tank as claimed in claim 1, characterized in that the sedimentation tank body (1) is provided with a water outlet (16) at one side.
9. The high-efficiency sedimentation tank according to claim 1, wherein a plurality of sand settling inclined plates (17) are arranged in the sand separation module (3) in a certain regular manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433726.6U CN215592788U (en) | 2021-06-25 | 2021-06-25 | High-efficient sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433726.6U CN215592788U (en) | 2021-06-25 | 2021-06-25 | High-efficient sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215592788U true CN215592788U (en) | 2022-01-21 |
Family
ID=79876385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121433726.6U Active CN215592788U (en) | 2021-06-25 | 2021-06-25 | High-efficient sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215592788U (en) |
-
2021
- 2021-06-25 CN CN202121433726.6U patent/CN215592788U/en active Active
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