CN211395918U - Sewage filtering device for sump pit of pumped storage station - Google Patents
Sewage filtering device for sump pit of pumped storage station Download PDFInfo
- Publication number
- CN211395918U CN211395918U CN201922354061.9U CN201922354061U CN211395918U CN 211395918 U CN211395918 U CN 211395918U CN 201922354061 U CN201922354061 U CN 201922354061U CN 211395918 U CN211395918 U CN 211395918U
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- water
- oil
- well
- storage station
- collecting
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- 239000010865 sewage Substances 0.000 title claims abstract description 35
- 238000001914 filtration Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 238000005086 pumping Methods 0.000 claims abstract description 18
- 239000002893 slag Substances 0.000 claims description 6
- 238000000746 purification Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000004581 coalescence Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The utility model discloses a sewage filtering device for a water collecting well of a pumped storage station, which comprises a water collecting well (1), wherein a first water-stop sheet (11) and a second water-stop sheet (12) are respectively and vertically arranged in the water collecting well (1); a filter screen (2) is arranged above the water collecting well (1); an oil-water separator (3) positioned at the bottom of the water collecting well is arranged between the first water-stop sheet (11) and the second water-stop sheet (12); a water pumping pipe (9) is arranged between the second water-stop sheet (12) and the water collecting well (1); an oil collecting inclined plate (4) is arranged between the first water-stop plate (11) and the second water-stop plate (12). The utility model has the advantages of effectively filtering sewage at low cost.
Description
Technical Field
The utility model relates to a pumped storage station sump pit, especially a pumped storage station sump pit strains dirty device.
Background
The pumped storage station is a hydropower station which utilizes water power to store energy and generate electricity. Because the pumped storage station is usually located at a low altitude, far below a reservoir, and has serious problems of leakage water and underground water, a drainage system is arranged in the pumped storage station. Conventional energy storage station drainage systems typically drain water from the sump well and from the freeflow drainage tunnel. The gravity drainage needs to meet certain terrain conditions, so that most unconditional pumped storage stations adopt water collecting well confluence drainage.
The conventional collecting well converging and draining method is that a collecting well is built at the lowest position of a factory building, a pumping and draining device is installed in the collecting well, seepage water and the like in the factory building are collected through the collecting well, and then the water is drained through the pumping and draining device.
However, the collecting well confluence drainage used by the existing pumped storage station does not have the function of water-sewage separation, oil-sewage sundries and the like can be directly pumped and discharged during pumping and drainage, the sundries and the like can seriously block a pumping and drainage device, and the sewage can directly generate water pollution. In order to solve the problem of directly discharging sewage, a sewage purification device needs to be additionally arranged, but the scale of a water collecting well of the water pumping energy storage station is large, the additional installation cost of the sewage purification device is very high, and the equipment cost of the sewage purification device is also very high, so that the investment cost of the sewage purification device is very high. Therefore, the problem that the existing collecting well confluence drainage used in the pumped storage station has no sewage purification and has higher investment cost due to the addition of sewage purification.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dirty device is strained to pumped storage station sump pit. The utility model has the advantages of effectively filtering sewage at low cost.
The technical scheme of the utility model: a sewage filtering device for a water collecting well of a pumped storage station comprises a water collecting well, wherein a first water-stop sheet and a second water-stop sheet are vertically arranged in the water collecting well respectively; a filter screen is arranged above the water collecting well; an oil-water separator positioned at the bottom of the water collecting well is arranged between the first water-stop sheet and the second water-stop sheet; a water pumping pipe is arranged between the second water-stop sheet and the water collecting well; an oil collecting inclined plate is arranged between the first water-stop sheet and the second water-stop sheet.
In the sewage filtering device for the sump well of the pumped storage station, the filter screen is obliquely arranged in a concave structure; one end of the filter screen is arranged on the water collecting well wall, and the other end of the filter screen is arranged at the upper end of the first water-stop sheet; sewage, percolating water, etc. carry out debris through the filter screen when converging the flow in sump pit and filter, carry out the prefilter with solid impurity.
In the sewage filtering device for the water collecting well of the pumped storage station, a slag filtering groove is arranged above the oil collecting inclined plate and at the first water-stop plate; the slag filtering groove is positioned below the filtering net; after filtration, the solid impurities collected on the filter screen slide into the slag tank from the filter screen under the impact of gravity and water flow.
In the sewage filtering device for the sump well of the pumped storage station, the first water-stop plate is uniformly provided with the drainage grooves below the oil-collecting inclined plate; the highest position of the drainage tank is lower than the upper end of the oil-water separator; and the sewage after primary filtration flows into an oil-water separator through a drainage tank for oil-water separation.
In the sewage filtering device for the water collecting well of the pumped storage station, the oil collecting inclined plate is obliquely arranged; an oil collecting groove is formed at the connecting end of the oil collecting inclined plate and the second water-stop plate; the first water baffle plate end of the oil collecting sloping plate is lower than the second water baffle plate end, so that oil droplets can be collected along the oil collecting sloping plate and flow into the oil collecting groove.
In the sewage filtering device for the water collecting well of the pumped storage station, the bottom of the water collecting well is inclined, and the bottom of the water collecting well at the water pumping pipe is the lowest; the accumulated water in the water collecting well is collected from the high position to the low position automatically.
In the sewage filtering device for the sump well of the pumped storage station, the oil-water separator is a corrugated plate oil-water separator; the corrugated plate oil-water separator is a physical separator with a plurality of corrugated coalescence plates arranged in parallel for two times.
In the aforementioned sewage filtering device for the sump well of the pumped storage station, the separation principle of the corrugated plate oil-water separator is as follows: the key point lies in that the corrugated plate variable-interval variable-water-flow streamline is manufactured by means of the Harvest shallow pool sedimentation principle, the water flow section is that the changed water flow alternately flows in a diffusion and contraction state, pulsation (sine) water flow is generated, the collision probability is increased between oil drops, small oil drops are promoted to be increased, and the floating speed of the oil drops is accelerated.
In the sump well dirt filtering device for the pumped storage station, the upper end of the oil collecting tank can be additionally provided with a small pumping device for discharging the accumulated oil in the oil collecting tank.
Compared with the prior art, the utility model discloses a separate into the catchment area with the sump pit, oil subregion and pump drainage district triplex to install filter screen and oil water separator additional respectively at catchment area and oil content differentiation, thereby filter out solid impurity earlier with sewage such as percolating water and separating out the greasy dirt, and then realize the prefiltering purification of sewage, and then ensured that the water of pump drainage away can not bring water pollution. The oil-water separation method of the simple physical filtration and corrugated coalescence plates is adopted, the scale of the rectification is very small, and the overall investment cost is lower than that of the whole set of added sewage purification device. So the utility model has the advantages of effectively filtering sewage at low cost. Furthermore, oil stains are collected into the oil collecting tank under the action of buoyancy through the obliquely arranged oil collecting inclined plate, so that pumping and drainage are facilitated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
the labels in the figures are: 1-a water collecting well, 11-a first water-stop sheet, 12-a second water-stop sheet, 2-a filter screen, 21-a filter residue groove, 3-an oil-water separator, 4-an oil collecting inclined plate, 41-an oil collecting groove, 5-a drainage groove and 9-a water pumping pipe.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. A sewage filtering device for a water collecting well of a pumped storage station is shown in figure 1 and comprises a water collecting well 1, wherein a first water-stop sheet 11 and a second water-stop sheet 12 are respectively vertically arranged in the water collecting well 1; a filter screen 2 is arranged above the water collecting well 1; an oil-water separator 3 positioned at the bottom of the water collecting well is arranged between the first water-stop sheet 11 and the second water-stop sheet 12; a water pumping pipe 9 is arranged between the second water-stop sheet 12 and the water collecting well 1; an oil collecting sloping plate 4 is arranged between the first water stop plate 11 and the second water stop plate 12.
The filter screen 2 is obliquely arranged in a concave structure; one end of the filter screen 2 is arranged on the wall of the water collecting well 1, and the other end of the filter screen is arranged at the upper end of the first water-stop sheet 11.
A slag filtering groove 21 is arranged above the oil collecting sloping plate 4 and at the position of the first water-stop plate 11; the filter residue groove 21 is positioned below the filter screen 2.
The first water-stop plate 11 is uniformly provided with drain grooves 5 below the oil collecting sloping plate 4; the highest position of the drainage groove 5 is lower than the upper end of the oil-water separator 3.
The oil collecting sloping plate 4 is obliquely arranged; an oil collecting groove 41 is arranged at the end where the oil collecting sloping plate 4 is connected with the second water-stop plate 12.
The bottom of the water collecting well 1 is inclined, and the bottom of the water collecting well 1 at the position of the water pumping pipe 9 is lowest.
The oil-water separator 3 is a corrugated plate oil-water separator.
An oil pumping pipe is arranged at the upper end of the oil collecting groove 41.
The working principle is as follows: the utility model discloses as shown in fig. 1, the water leakage leaks the catchment area of sump pit 1 in the factory building, and the water leakage filters solid impurity when filter screen 2, and solid impurity landing is in filter residue groove 21. The filtered leakage water flows into the oil-water separator 3 through the drainage tank 5 in the water collecting area, the water and the oil are separated under the action of the oil-water separator 3, and oil drops float upwards. The oil drops are continuously collected and gathered in the oil collecting tank 41 through the oil collecting sloping plate 4 in the floating process. The water after oil separation passes through the second water-stop sheet 12 and is discharged from the pumping area through the pumping pipe 9.
Claims (7)
1. The utility model provides a pumped storage station sump pit strains dirty device which characterized in that: the water collecting well comprises a water collecting well (1), wherein a first water-stop sheet (11) and a second water-stop sheet (12) are respectively vertically arranged in the water collecting well (1); a filter screen (2) is arranged above the water collecting well (1); an oil-water separator (3) positioned at the bottom of the water collecting well is arranged between the first water-stop sheet (11) and the second water-stop sheet (12); a water pumping pipe (9) is arranged between the second water-stop sheet (12) and the water collecting well (1); an oil collecting inclined plate (4) is arranged between the first water-stop plate (11) and the second water-stop plate (12).
2. The pumped storage station sump well sewage filter apparatus of claim 1, wherein: the filter screen (2) is obliquely arranged in a concave structure; one end of the filter screen (2) is arranged on the wall of the water collecting well (1), and the other end of the filter screen is arranged at the upper end of the first water-stop sheet (11).
3. The pumped storage station sump well dirt-filtering device of claim 2, wherein: a slag filtering groove (21) is arranged above the oil collecting sloping plate (4) and at the position of the first water-stop plate (11); the slag filtering groove (21) is positioned below the filter screen (2).
4. The pumped storage station sump well sewage filter apparatus of claim 1, wherein: the first water-stop plate (11) is positioned below the oil-collecting sloping plate (4) and is uniformly provided with drain grooves (5); the highest position of the drainage groove (5) is lower than the upper end of the oil-water separator (3).
5. The pumped storage station sump well sewage filter apparatus of claim 1, wherein: the oil collecting inclined plate (4) is obliquely arranged; an oil collecting groove (41) is formed in the end, connected with the second water-stop plate (12), of the oil collecting sloping plate (4).
6. The pumped storage station sump well sewage filter apparatus of claim 1, wherein: the bottom of the water collecting well (1) is inclined; the water pumping pipe (9) is the lowest part of the bottom of the water collecting well (1).
7. The pumped storage station sump well sewage filter apparatus of claim 1, wherein: the oil-water separator (3) is a corrugated plate oil-water separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922354061.9U CN211395918U (en) | 2019-12-24 | 2019-12-24 | Sewage filtering device for sump pit of pumped storage station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922354061.9U CN211395918U (en) | 2019-12-24 | 2019-12-24 | Sewage filtering device for sump pit of pumped storage station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211395918U true CN211395918U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922354061.9U Active CN211395918U (en) | 2019-12-24 | 2019-12-24 | Sewage filtering device for sump pit of pumped storage station |
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| CN (1) | CN211395918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324000A (en) * | 2022-08-16 | 2022-11-11 | 江西洪屏抽水蓄能有限公司 | Seepage accumulated water treatment system of pumped storage power station |
-
2019
- 2019-12-24 CN CN201922354061.9U patent/CN211395918U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324000A (en) * | 2022-08-16 | 2022-11-11 | 江西洪屏抽水蓄能有限公司 | Seepage accumulated water treatment system of pumped storage power station |
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