CN110984091A - Water and sewage separation device for pumped storage power station gravity drainage hole - Google Patents
Water and sewage separation device for pumped storage power station gravity drainage hole Download PDFInfo
- Publication number
- CN110984091A CN110984091A CN201911118807.4A CN201911118807A CN110984091A CN 110984091 A CN110984091 A CN 110984091A CN 201911118807 A CN201911118807 A CN 201911118807A CN 110984091 A CN110984091 A CN 110984091A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/022—Closures
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
- E03F5/16—Devices for separating oil, water or grease from sewage in drains leading to the main sewer
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention discloses a water and sewage separation device for a pumped storage power station gravity drainage hole, which comprises a water collecting well, wherein a water distribution plate and a separation plate are vertically arranged in the water collecting well; a corrugated coalescence plate separator is arranged between the water diversion plate and the isolation plate; a self-flowing drainage pipe is vertically arranged between the isolation plate and the water collecting well, and the upper end of the self-flowing drainage pipe is connected with a horizontally arranged self-flowing drainage hole; the upper part of the self-flowing drainage hole is provided with a vent pipe; an oil collecting inclined plate is arranged above the corrugated coalescence plate separator. The invention has the advantages of low investment cost and no energy consumption.
Description
Technical Field
The invention relates to a self-flowing drainage tunnel of a pumped storage power station, in particular to a water and sewage separation device for the self-flowing drainage tunnel of the pumped storage power station.
Background
The pumped storage power station is a hydropower station which pumps water to an upper reservoir by using electric energy in the low ebb period of the electric load and discharges water to a lower reservoir to generate electricity in the peak period of the electric load. The buildings of the pumped storage power station are generally located underground in the mountain, and the altitude is far lower than that of the upper reservoir and the lower reservoir. The drainage system of factory building generally has two kinds of forms, one kind is through the sump pit confluence, then through the water pump drainage ex-factory, and another kind is in the lower high-altitude river course of low reaches through flowing automatically water drainage hole drainage with the percolating water in the factory building. Because external power is not needed when the self-flowing drainage hole is used for drainage, a drainage system is almost free of maintenance, and the reliability and the drainage efficiency are high, the self-flowing drainage hole is usually used for drainage in the conditional (drainable downstream) pumped storage power station.
However, the existing self-flowing drainage holes used in pumped storage power stations do not have the function of separating water from sewage, and pollutants such as oil stains and the like can be directly drained into a down-flow river channel during drainage. In order to solve the problem of direct discharge of sewage, a sewage purification device is usually additionally arranged, the factory building is necessarily changed on a larger scale for additionally arranging the sewage purification device, the factory building is modified with high cost, the purchase cost of the sewage purification device is also high, and the investment cost of the sewage purification device is increased. The sewage purification device needs extra power in the using process, and the energy consumption of a factory building is increased. Therefore, the existing self-flowing drainage hole has the defects of high investment cost and high energy consumption of plants due to the addition of the sewage purification device.
Disclosure of Invention
The invention aims to provide a water and sewage separating device for a self-flowing drainage tunnel of a pumped storage power station. The invention has the advantages of low investment cost and no energy consumption.
The technical scheme of the invention is as follows: a water and sewage separation device for a pumped storage power station gravity drainage hole comprises a water collecting well, wherein a water distribution plate and a separation plate are vertically arranged in the water collecting well; a corrugated coalescence plate separator is arranged between the water diversion plate and the isolation plate; a self-flowing drainage pipe is vertically arranged between the isolation plate and the water collecting well, and the upper end of the self-flowing drainage pipe is connected with a horizontally arranged self-flowing drainage hole to form a through pipe; the upper part of the self-flowing drainage hole is provided with a vent pipe; an oil collecting inclined plate is arranged above the corrugated coalescence plate separator; the oil collecting inclined plate is arranged in an upward inclined manner along the water flow direction; the upper end of the isolation plate is higher than the water surface, and the lower end of the isolation plate is not connected with the bottom of the water collecting well, so that the water energy circulation is ensured.
In the aforementioned water-sewage separation device for the pumped storage power station gravity drainage tunnel, the corrugated coalescence plate separator comprises a plurality of corrugated coalescence plates arranged horizontally in parallel; the corrugated coalescence plate is a polyethylene plate, is oleophilic and hydrophobic, and can play a role in gathering oil.
In the water and sewage separation device for the flowing water drainage hole of the pumped storage power station, one end of the vent pipe is connected with the flowing water drainage hole, and the other end of the vent pipe is connected with the upper end part of the water collecting well and is higher than the liquid level, so that the water level in the water collecting well is kept consistent with the flowing water drainage hole all the year around, and oil collected on the upper part of the water collecting well is prevented from being sucked out by the flowing water drainage pipe during drainage.
In the aforementioned water and sewage separation device for the pumped storage power station gravity drainage hole, the water diversion plate and the corrugated coalescence plate separator are provided with the water drainage grooves corresponding to each other, and water flows into the corrugated coalescence plate intervals through the water drainage grooves.
In the water-sewage separation device for the gravity flow drainage hole of the pumped storage power station, the joint of the inclined oil collection plate and the partition plate is provided with the oil collection tank, and oil drops can be collected along the inclined oil collection plate and automatically flow into the oil collection tank.
In the water-sewage separation device for the self-flowing drainage tunnel of the pumped storage power station, the wave height ratio of the corrugated coalescence plate is 0.1-0.15.
In the water and sewage separation device for the self-flowing drainage hole of the pumped storage power station, the length of the corrugated coalescence plate is 700-800 mm.
Compared with the prior art, the invention provides the water and sewage separating device for the self-flowing drainage hole of the pumped storage power station. The water collecting well is additionally arranged on the basis of the original self-flowing drainage hole, the water collecting well is separated by the water dividing plate and the isolation plate, sewage flows into the corrugated coalescence plate separator through the water dividing plate after converging to accelerate oil-water separation, oil is gathered and floats upwards, the self-flowing drainage pipe is connected with the self-flowing drainage hole, and water is discharged to a downstream river channel outside a plant under the siphon action.
Only a water collecting well, a direct-current drain pipe, a water distribution plate, a separation plate and a corrugated coalescence plate separator consisting of a plurality of corrugated coalescence plates are needed to be added, the scale of the rectification is small, and the investment cost is low; the corrugated oil-water separator consists of a plurality of corrugated parallel plates arranged along the water flow direction, and the corrugated oil-water separator does not need any power to generate energy consumption (the principle that the corrugated coalescence plates can effectively separate oil and water is that oil droplets float and collect at wave crests of the plates to be separated and removed by utilizing the specific gravity difference of the oil and the water).
This device adopts the gravity separation method, utilizes the density difference and the incompatibility of profit, need not external power just to make oil droplet, suspended solid and separation of water to through addding ripple coalescence plate separator, improve oil-water separation's efficiency, the water of sewage lower floor is through siphon gravity flow discharge to the low reaches of leaving the factory after the layering, and the greasy dirt on upper strata etc. arrange artifical the periodic discharge. The invention has the advantages of low investment cost and no energy consumption.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic of the configuration of a corrugated coalescing plate separator.
The labels in the figures are: 1-a water collecting well, 2-a self-flowing water discharging pipe, 3-a self-flowing water discharging hole, 4-a corrugated coalescence plate separator, 41-a corrugated coalescence plate, 5-a ventilating pipe, 6-a water separating plate, 7-a separating plate, 8-an oil collecting inclined plate, 9-an oil collecting tank and 61-a water draining tank.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
The first embodiment. A water and sewage separation device for a pumped storage power station gravity drainage hole is formed as shown in figures 1 to 2 and comprises a water collecting well 1, wherein a water diversion plate 6 and a separation plate 7 are vertically arranged in the water collecting well 1; a corrugated coalescence plate separator 4 is arranged between the water distribution plate 6 and the isolation plate 7; a self-flowing drainage pipe 2 is vertically arranged between the isolation plate 7 and the water collecting well 1, and the upper end of the self-flowing drainage pipe 2 is connected with a horizontally arranged self-flowing drainage hole 3; the upper part of the self-flowing water draining hole 3 is provided with a vent pipe 5; an oil collecting inclined plate 8 is arranged above the corrugated coalescence plate separator 4.
The corrugated coalescing plate separator 4 comprises a plurality of horizontally arranged corrugated coalescing plates 41, and the corrugated coalescing plates 41 are polyethylene plates.
The lower part of the water diversion plate 6 is uniformly provided with a water drainage groove 61.
An oil collecting groove 9 is arranged at the joint of the oil collecting sloping plate 8 and the isolation plate 7.
The wave height ratio of the corrugated coalescence plate 41 is 0.1-0.15.
The length of the corrugated coalescence plate 41 is 700-800 mm.
The oil-water separation effect of the corrugated coalescence plate is as follows:
TABLE 1 wave height ratio 0.1-0.15 for oil-water separation effect of corrugated coalescence plates
Table 2 shows oil-water separation effect of corrugated coalescence plates with plate lengths of 700-800 mm
TABLE 3 oil-water separation effect of corrugated coalescence plates with wave height ratio of 0.08 and 0.17
TABLE 4 oil-water separation effect of corrugated coalescent sheets 600mm and 900mm long
By comparing table 1 with table 3, table 2 with table 4, it can be seen that the wave height ratio of the oil-water separation effect of the corrugated coalescence plate is best between 0.1 and 0.15, the longer the plate length of the corrugated coalescence plate is, the better the plate length is, but the effect of the increase of the plate length when the plate length reaches 700mm has little influence on the oil-water separation effect.
Example two. A water and sewage separation device for a pumped storage power station gravity drainage hole is formed as shown in figures 1 to 2 and comprises a water collecting well 1, wherein a water diversion plate 6 and a separation plate 7 are vertically arranged in the water collecting well 1; a corrugated coalescence plate separator 4 is arranged between the water distribution plate 6 and the isolation plate 7; a self-flowing drainage pipe 2 is vertically arranged between the isolation plate 7 and the water collecting well 1, and the upper end of the self-flowing drainage pipe 2 is connected with a horizontally arranged self-flowing drainage hole 3; the upper part of the self-flowing water draining hole 3 is provided with a vent pipe 5; an oil collecting inclined plate 8 is arranged above the corrugated coalescence plate separator 4.
The corrugated coalescing plate separator 4 comprises a plurality of horizontally arranged corrugated coalescing plates 41, and the corrugated coalescing plates 41 are polyethylene plates.
The lower part of the water diversion plate 6 is uniformly provided with a water drainage groove 61.
An oil collecting groove 9 is arranged at the joint of the oil collecting sloping plate 8 and the isolation plate 7.
The corrugated coalescing plate 41 has a wave height ratio of 0.125.
The length of the corrugated coalescing plate 41 is 750 mm.
The working principle is as follows: this dirty separator of water establishes sump pit 1 through digging before flowing water drainage hole 3, separates into the triplex with sump pit 1 with division board 6 and division board 7, and with the flowing water drainage pipe 2 intercommunication of vertical setting flowing water drainage hole 3, in the sewage seepage in the factory building advances sump pit 1, flows into ripple coalescence plate separator 4 through hydrophobic groove 61 on division board 6. The oil drops are accelerated to separate and float upwards and gather under the action of the corrugated coalescence plate 41, and the oil stains are gradually gathered on the oil collection inclined plate 8 and gathered in the oil collection tank 9. The separated water is discharged out of the factory along the gravity drainage hole 3 under the siphon action through the partition plate 7 and the gravity drainage pipe 2, and oil stains and the like in the oil collecting tank 9 are arranged to be discharged at regular time by workers.
Claims (6)
1. The utility model provides a dirty separator of water for pumping storage power station artesian flow drainage hole which characterized in that: comprises a water collecting well (1), wherein a water diversion plate (6) and an isolation plate (7) are vertically arranged in the water collecting well (1); a corrugated coalescence plate separator (4) is arranged between the water diversion plate (6) and the isolation plate (7); a self-flowing drainage pipe (2) is vertically arranged between the isolation plate (7) and the water collecting well (1), and the upper end of the self-flowing drainage pipe (2) is connected with a horizontally arranged self-flowing drainage hole (3); the upper part of the self-flowing water draining hole (3) is provided with a vent pipe (5); an oil collecting inclined plate (8) is arranged above the corrugated coalescence plate separator (4).
2. The water-sewage separating device for the gravity flow drainage tunnel of the pumped storage power station as claimed in claim 1, wherein: the corrugated coalescing plate separator (4) comprises a plurality of horizontally arranged parallel corrugated coalescing plates (41).
3. The water-sewage separating device for the gravity flow drainage tunnel of the pumped storage power station as claimed in claim 1, wherein: the lower part of the water diversion plate (6) is uniformly provided with a water drainage groove (61).
4. The water-sewage separating device for the gravity flow drainage tunnel of the pumped storage power station as claimed in claim 1, wherein: an oil collecting groove (9) is arranged at the joint of the oil collecting sloping plate (8) and the isolating plate (7).
5. The water-sewage separating device for the gravity flow drainage tunnel of the pumped storage power station as claimed in claim 2, wherein: the wave height ratio of the corrugated coalescence plate (41) is 0.1-0.15.
6. The water-sewage separating device for the gravity flow drainage tunnel of the pumped storage power station as claimed in claim 2, wherein: the length of the corrugated coalescence plate (41) is 700-800 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118807.4A CN110984091A (en) | 2019-11-15 | 2019-11-15 | Water and sewage separation device for pumped storage power station gravity drainage hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118807.4A CN110984091A (en) | 2019-11-15 | 2019-11-15 | Water and sewage separation device for pumped storage power station gravity drainage hole |
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| Publication Number | Publication Date |
|---|---|
| CN110984091A true CN110984091A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911118807.4A Pending CN110984091A (en) | 2019-11-15 | 2019-11-15 | Water and sewage separation device for pumped storage power station gravity drainage hole |
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| Country | Link |
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| CN (1) | CN110984091A (en) |
Cited By (2)
| 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 |
| CN115317958A (en) * | 2022-08-10 | 2022-11-11 | 常州大学 | Three-section type oil-water separation two-dimensional sinusoidal wave coalescence plate set device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2374181C2 (en) * | 2007-12-19 | 2009-11-27 | Общество с ограниченной ответственностью "Экотехсервис" (ООО "Экотехсервис"), RU | Device for cleaning of storm waters from oil products and suspended matters |
| CN203079767U (en) * | 2013-03-07 | 2013-07-24 | 成都国亚环保有限公司 | Oil-water separator with strong effect |
| CN105251239A (en) * | 2015-11-02 | 2016-01-20 | 天津市汉沽高分子化工助剂有限公司 | Oil-water separator for organic peroxide initiator |
| CN209411847U (en) * | 2018-11-05 | 2019-09-20 | 四川桧元素生物科技有限公司 | A kind of corrugated plating coalescence gs-oil separator |
-
2019
- 2019-11-15 CN CN201911118807.4A patent/CN110984091A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2374181C2 (en) * | 2007-12-19 | 2009-11-27 | Общество с ограниченной ответственностью "Экотехсервис" (ООО "Экотехсервис"), RU | Device for cleaning of storm waters from oil products and suspended matters |
| CN203079767U (en) * | 2013-03-07 | 2013-07-24 | 成都国亚环保有限公司 | Oil-water separator with strong effect |
| CN105251239A (en) * | 2015-11-02 | 2016-01-20 | 天津市汉沽高分子化工助剂有限公司 | Oil-water separator for organic peroxide initiator |
| CN209411847U (en) * | 2018-11-05 | 2019-09-20 | 四川桧元素生物科技有限公司 | A kind of corrugated plating coalescence gs-oil separator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115317958A (en) * | 2022-08-10 | 2022-11-11 | 常州大学 | Three-section type oil-water separation two-dimensional sinusoidal wave coalescence plate set device |
| CN115317958B (en) * | 2022-08-10 | 2023-07-25 | 常州大学 | Three-section type oil-water separation double-dimensional sine wave coalescence plate set device |
| 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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Application publication date: 20200410 |