CN203654393U - Pressure water inlet pool of pump station at dam toe - Google Patents
Pressure water inlet pool of pump station at dam toe Download PDFInfo
- Publication number
- CN203654393U CN203654393U CN201420005878.XU CN201420005878U CN203654393U CN 203654393 U CN203654393 U CN 203654393U CN 201420005878 U CN201420005878 U CN 201420005878U CN 203654393 U CN203654393 U CN 203654393U
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- CN
- China
- Prior art keywords
- exhaust valve
- air inlet
- compound air
- water
- intake pool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model relates to a pressure water inlet pool of a pump station at a dam toe. The pressure water inlet pool of the pump station at the dam toe comprises a blow-off pipe 2, a water pool 4, a pump house control room 6, a water pump unit 10 and a water drain pipe 14 and is characterized in that a sealed top cover 5 is arranged above the water pool 4, a composite suction and exhaust valve 7, a pressure sensor 11 and a water level sensor 12 are arranged on the top cover 5, and the pressure sensor 11 and the water level sensor 12 are connected to a display device 16 of the pump house control room 6. A standby composite suction and exhaust valve 8 matched with the composite suction and exhaust valve 7 is further arranged, and a nut 9 is arranged on the standby composite suction and exhaust valve 8. The pressure water inlet pool of the pump station at the dam toe is novel in structure, safe and reliable, and investment is saved.
Description
Technical field
This practicality belongs to water conservancy projects technical field, relates in particular to the pressure intake pool of pumping plant behind a kind of dam.
Background technology
Behind dam, intake pool is specially for the water feeding of water pump pipeline pond of building of drawing water, and is generally open type.Build the pumping plant behind dam in, because intake pool and reservoir are UNICOMs, in order to make full use of water source, and adapt to the variation of reservoir level, the end of intake pool, wants the end in level of dead water, and top will be higher than design water level, and general top should be concordant with large dam crest.If the physical features of pumping plant position is lower, intake pool height is conventionally very high, resembles a smokestack and stands there, not attractive in appearance, uneconomical dangerous again.
Summary of the invention
The utility model is the pressure intake pool of pumping plant behind a kind of dam in order to overcome the excessive and design of the intake pool height of pumping plant behind dam.Technical solution adopted in the utility model is: the pressure intake pool of pumping plant behind a kind of dam, include between adjutage, pond, pump house control, water pump assembly and tapping pipe, it is characterized in that: top, pond arranges the top cover of a sealing, compound air inlet and exhaust valve and pressure sensor and level sensor are set on top cover, and pressure sensor and level sensor are received in the display unit between pump house control through holding wire.Coordinate with compound air inlet and exhaust valve and be also provided with compound air inlet and exhaust valve for subsequent use, on compound air inlet and exhaust valve, compound air inlet and exhaust valve for subsequent use, nut is all set, control the duty of air inlet and exhaust valve by controlling the tense-lax of nut.In addition, on top cover, be also provided with inspection eye.Intake pool is made sealing by described pressure intake pool, and top cover is installed compound air inlet and exhaust valve, and intake pool height is reduced greatly.When work, the compound air inlet and exhaust valve of Chi Ding is along with variation air inlet or the exhaust of pool inner water position.In the time that reservoir level pushes up higher than intake pool, compound air inlet and exhaust valve is closed, and intake pool top cover bears pressure; In the time that reservoir level pushes up lower than intake pool, compound air inlet and exhaust valve is opened, exhaust when water level rises, air inlet when water level declines.All can ensure that so in all cases pump intake place is without whirlpool, without refluxing, there is the same effect of open type intake pool.
The utility model advantage is: novel structure, and safe and reliable, save investment, automatic operation.
Brief description of the drawings
Fig. 1 is cross-sectional view of the present utility model;
Fig. 2 is the utility model pressure intake pool cap structure schematic diagram.
In figure, 1, reservoir level, 2, adjutage, 3, intake pool water level, 4, intake pool, 5, top cover, 6, between pump house control, 7, compound air inlet and exhaust valve, 8, compound air inlet and exhaust valve for subsequent use, 9, nut, 10, water pump assembly, 11, pressure sensor, 12, level sensor, 13, adjutage early gate, 14, tapping pipe, 15, inspection eye, 16, display unit, 17, dam.
Detailed description of the invention
With reference to accompanying drawing, the pressure intake pool of pumping plant behind a kind of dam, include between adjutage 2, pond 4, pump house control 6, water pump assembly 10 and tapping pipe 14, it is characterized in that: 4 tops, pond arrange the top cover 5 of a sealing, compound air inlet and exhaust valve 7 is set on top cover 5, pressure sensor 11 and level sensor 12 are also set, and pressure sensor 11 and level sensor 12 are received between pump house control through holding wire in 6 display unit 16.Coordinate and be also provided with compound air inlet and exhaust valve 8 for subsequent use with compound air inlet and exhaust valve 7, on compound air inlet and exhaust valve, compound air inlet and exhaust valve for subsequent use, nut 9 is all set, control the duty of air inlet and exhaust valve by controlling the tense-lax of nut 9.
The course of work of the present utility model is as follows: when reservoir level 1 is during higher than intake pool water level 3, intake pool 4 is intake by drainage tunnel 2, compound air inlet and exhaust valve 7 is in opening, along with intake pool water level 2 rises, air in intake pool 4 is discharged from compound air inlet and exhaust valve 7, in the time that reservoir level 1 reaches compound air inlet and exhaust valve 7 and pushes up, compound air inlet and exhaust valve 7 is closed automatically, and intake pool 4 becomes pressure tank; Along with the pump-out of water pump assembly 10 increases, intake pool water level 3 likely reduces, and compound air inlet and exhaust valve 7 is opened automatically, along with the continuous air inlet of reduction of intake pool water level 3, avoids causing vacuum.On the top cover 5 of intake pool 4, be also provided with pressure sensor 11 and level sensor 12, two kinds of sensors are passed at any time between pump house control the pressure at top cover 5 places and water level information back 6 and are carried out analytical calculation, in the time finding that two information are not mated, illustrate that compound air inlet and exhaust valve 7 has failure conditions to occur, check immediately each compound air inlet and exhaust valve 7, square nut 9 on the compound air inlet and exhaust valve 7 losing efficacy is fallen to sealing outlet, turn on compound air inlet and exhaust valve 8 upper cap nuts 9 for subsequent use and allow compound air inlet and exhaust valve 8 for subsequent use work.In the time that water pump assembly 10 overhauls, close drainage tunnel early gate 13, and water in intake pool 4 is emitted from tapping pipe 14, open inspection eye 15, go down to change the compound air inlet and exhaust valve 7 losing efficacy.
Claims (3)
1. the pressure intake pool of pumping plant behind a dam, include (6), water pump assembly (10) and tapping pipe (14) between adjutage (2), pond (4), pump house control, it is characterized in that: pond (4) top arranges the top cover (5) of a sealing, compound air inlet and exhaust valve (7) is set on top cover (5), pressure sensor (11) and level sensor (12) are also set, and pressure sensor (11) and level sensor (12) are received in the display unit (16) of (6) between pump house control through holding wire.
2. according to the pressure intake pool of pumping plant behind dam claimed in claim 1, it is characterized in that: coordinate and be also provided with compound air inlet and exhaust valve for subsequent use (8) with compound air inlet and exhaust valve (7), on compound air inlet and exhaust valve (7), compound air inlet and exhaust valve for subsequent use (8), nut (9) is all set, controls the duty of air inlet and exhaust valve by controlling the tense-lax of nut (9).
3. according to the pressure intake pool of pumping plant behind dam claimed in claim 1, it is characterized in that: on top cover (5), be also provided with inspection eye (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005878.XU CN203654393U (en) | 2014-01-06 | 2014-01-06 | Pressure water inlet pool of pump station at dam toe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005878.XU CN203654393U (en) | 2014-01-06 | 2014-01-06 | Pressure water inlet pool of pump station at dam toe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203654393U true CN203654393U (en) | 2014-06-18 |
Family
ID=50920800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420005878.XU Expired - Fee Related CN203654393U (en) | 2014-01-06 | 2014-01-06 | Pressure water inlet pool of pump station at dam toe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203654393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847012A (en) * | 2015-06-08 | 2015-08-19 | 上海市城市建设设计研究总院 | Pump house water outlet pressure well |
-
2014
- 2014-01-06 CN CN201420005878.XU patent/CN203654393U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847012A (en) * | 2015-06-08 | 2015-08-19 | 上海市城市建设设计研究总院 | Pump house water outlet pressure well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20150106 |
|
| EXPY | Termination of patent right or utility model |