CN204475285U - The ascending/decending sand discharge structure of the water inlet in power station - Google Patents
The ascending/decending sand discharge structure of the water inlet in power station Download PDFInfo
- Publication number
- CN204475285U CN204475285U CN201520062498.4U CN201520062498U CN204475285U CN 204475285 U CN204475285 U CN 204475285U CN 201520062498 U CN201520062498 U CN 201520062498U CN 204475285 U CN204475285 U CN 204475285U
- Authority
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- China
- Prior art keywords
- water inlet
- water
- diversion disk
- playpipe
- sand discharge
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 239000004576 sand Substances 0.000 title claims abstract description 24
- 230000001174 ascending effect Effects 0.000 title claims abstract description 9
- 238000011010 flushing procedure Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229940059082 douche Drugs 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- 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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- Nozzles (AREA)
Abstract
The utility model relates to a kind of ascending/decending sand discharge structure of water inlet of power station, comprise the high-pressure water pipe be installed in water inlet building, the lower end of high-pressure water pipe is stretched out the side of water inlet building and piles towards water inlet silt, its upper end is connected with high-pressure water, the bottom of building is provided with sand discharge road, sand discharge is provided with shell pump in road, the side of high-pressure water pipe connects water diversion disk by distributive pipe, water diversion disk is with collect cavity, the soffit of water diversion disk is with multiple spray-hole of being communicated with collect cavity and be provided with playpipe, the lower end of playpipe is placed in silt heap, the lower sides of playpipe is with multiple flushing hole, also comprise fixed mount, the upper head plate of fixed mount is provided with motor and has cam by support installing, and motor is connected with cam, the bottom plate of fixed mount and the playpipe of water diversion disk soffit end side are slidably connected, and another side of water diversion disk is connected with the support plate in building by spring.Sand discharge efficiency of the present utility model is high, effective.
Description
Technical field
The utility model relates to power station drainage system, particularly the silt sedimentation technical field of power station drainage system.
Background technology
In the hydroelectric project having silt sedimentation requirement, the Prevention technology of water inlet silt mainly adopts following several mode: 1, by the layout of building, arranges rational tank silt volume, guarantees that silt elevation is lower than water inlet elevation within the runtime of power station; 2, by the mode of water inlet with the adjacent layout of power station outlet structure escape works, the washing away of current when utilizing sluicing flood passage, the discharge cleaning that pulling function carries out water inlet leading edge shoal materials; 3, special sand discharge building (desilting tunnel, flush gallery, bottom hole for sand flushing etc.) is utilized to carry out sand discharge; 4, the runner design of Appropriate application powerplant intakes and water diverting structure, by the washing away of diversion and power current, pulls, carries out the discharge allowing machine silt (referring generally to suspended load).
Due to factors such as the layout limitation of intake structure, the complexity of flow-shape and flow rate of water flow skewness, in above-mentioned silt Prevention technology, the local of water intaking building is often caused to there is unstable fluidised form or even Si Liu district, and then form the alluvial of suspended sediment, affect water intaking safety and the power benefit in power station.At present, the process of above-mentioned alluvial situation is generally adopted to the mode of artificial desilting when reservoir emptying or power station are shut down, not only time-consuming but also require great effort, affect benefit and the operational flexibility of power station or reservoir.
Had at present the mode arranging high-pressure water pipe in the side of building and rinse silt, the silt rinsed after digging is taken away by shell pump.Although the mode that high-pressure water pipe is rinsed solves above-mentioned Prevention technology mode Problems existing, but its shortcoming also existed is, the water under high pressure of the pipe end of cleaning hose can only rinse local silt, part silt also can remnants, therefore the continuous flushing of long period is needed, its efficiency is low, poor effect, urgently improves further.
Utility model content
The applicant, for the above-mentioned shortcoming of prior art, carries out studying and improving, and provides a kind of ascending/decending sand discharge structure of water inlet of power station, structure is simple, sand discharge efficiency is high, effective feature that it has.
In order to solve the problem, the utility model adopts following scheme:
A kind of ascending/decending sand discharge structure of water inlet of power station, comprise the high-pressure water pipe be installed in water inlet building, the lower end of high-pressure water pipe is stretched out the side of water inlet building and piles towards water inlet silt, its upper end is connected with high-pressure water, the bottom of water inlet building is provided with sand discharge road, the front end in sand discharge road and silt are provided with shell pump between piling, the side of described high-pressure water pipe is connected with many distributive pipes, the end of described distributive pipe connects water diversion disk jointly, water diversion disk is with the collect cavity be communicated with distributive pipe, the soffit of water diversion disk is with multiple spray-hole of being communicated with collect cavity and be provided with the playpipe be communicated with spray-hole, the lower end of playpipe is placed in silt heap, the lower sides of playpipe is with multiple flushing hole,
Also comprise the fixed mount being positioned at water diversion disk side, the upper surface of the upper head plate of fixed mount is provided with motor, and the soffit of described upper head plate has cam by support installing, being connected with cam by belt of motor; The bottom plate of fixed mount and the playpipe of water diversion disk soffit end side are slidably connected, and another side of water diversion disk is connected with the support plate in water inlet building by spring.
Further improvement as technique scheme:
Described water diversion disk is with the first dish portion and the second dish portion, and with angle between the first dish portion and the second dish portion, the second dish portion is tilted to lower setting relative to the first dish portion; Described distributive pipe comprises upper distributive pipe from top to bottm arranging successively and lower distributive pipe, and upper distributive pipe is communicated with the first dish portion, and lower distributive pipe is communicated with the second dish portion.
The inclined of the relative playpipe of flushing hole of described playpipe sidewall is arranged downwards.
Technique effect of the present utility model is:
The utility model adopts water diversion disk structure, realizes carrying out continuous jet douche to the multiple directions of silt heap and multiple point, and its efficiency is high; Adopt cam structure, realize playpipe and carry out plug campaign in silt heap, improve the flush efficiency to silt and effect further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, water inlet building; 2, high-pressure water; 3, high-pressure water pipe; 4, silt heap; 5, shell pump; 6, sand discharge road; 71, upper distributive pipe; 72, lower distributive pipe; 8, water diversion disk; 80, collect cavity; 81, the first dish portion; 82, the second dish portion; 83, spray-hole; 9, playpipe; 91, flushing hole; 10, fixed mount; 11, cam; 12, support; 13, motor; 14, support plate; 15, spring.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further.
As shown in Figure 1, the ascending/decending sand discharge structure of the water inlet in the power station of the present embodiment, comprise the high-pressure water pipe 3 be installed in water inlet building 1, the lower end of high-pressure water pipe 3 is stretched out the side of water inlet building 1 and piles 4 towards water inlet silt, its upper end is connected with high-pressure water 2, the bottom of water inlet building 1 is provided with sand discharge road 6, the front end in sand discharge road 6 and silt are provided with shell pump 5 between piling 4, the side of high-pressure water pipe 3 is connected with many distributive pipes, the end of distributive pipe connects water diversion disk 8 jointly, water diversion disk 8 is with the collect cavity 80 be communicated with distributive pipe, the soffit of water diversion disk 8 is with multiple spray-hole 83 of being communicated with collect cavity 80 and be provided with the playpipe 9 be communicated with spray-hole 83, the lower end of playpipe 9 is placed in silt heap 4, the lower sides of playpipe 9 is with multiple flushing hole 91,
The utility model also comprises the fixed mount 10 being positioned at water diversion disk 8 side, and the upper surface of the upper head plate of fixed mount 10 is provided with motor 13, and the soffit of upper head plate is provided with cam 11 by support 12, being connected with cam 11 by belt of motor 13; The bottom plate of fixed mount 10 and the playpipe 9 of water diversion disk 8 soffit end side are slidably connected, and another side of water diversion disk 8 is connected with the support plate 14 in water inlet building 1 by spring 15.
Water diversion disk 8 with the first dish portion 81 and between the second dish portion of dish portion 82, first 81 and the second dish portion 82 with angle, relative first dish portion 81 of the second dish portion 82 is tilted to lower setting; Distributive pipe comprises upper distributive pipe 71 from top to bottm arranging successively and lower distributive pipe 72, and upper distributive pipe 71 is communicated with the first dish portion 81, and lower distributive pipe 72 is communicated with the second dish portion 82.
For preventing flushing hole 91 from being blocked by silt, the inclined of the relative playpipe 9 of flushing hole 91 is arranged downwards.
During utility model works, high-pressure water 2 is to water flowing in high-pressure water pipe 3, water under high pressure enters in the collect cavity 80 of water diversion disk 8 through upper distributive pipe 71, lower distributive pipe 72 respectively, under the guide effect of playpipe 9, high pressure water jets is injected in silt heap 4, due to the two dish portions with angle in water diversion disk 8, change the injection direction of current; Under the water flow jet power effect of the high pressure of different directions, the silt in silt heap 4 is rinsed and digs, and discharges under the swabbing action of shell pump 5 from sand discharge road 6.Motor 13 is with moving cam 11 to rotate, when cam 11 rotates, water diversion disk 8 is promoted downwards, water diversion disk 8 resets under the effect of spring 15, thus make water diversion disk 8 carry out oscilaltion campaign, thus playpipe 9 plugs motion up and down in silt heap 4, drive silt to dig up and down during plug, promote the flushing action of water under high pressure.
The utility model adopts water diversion disk structure, realizes carrying out continuous jet douche to the multiple directions of silt heap and multiple point, and its efficiency is high; Adopt cam structure, realize playpipe and carry out plug campaign in silt heap, improve the flush efficiency to silt and effect further.
Above illustrated embodiment is better embodiment of the present utility model, only be used for conveniently the utility model being described, not any pro forma restriction is done to the utility model, have in any art and usually know the knowledgeable, if do not depart from the utility model carry in the scope of technical characteristic, utilize the utility model disclose the Equivalent embodiments changed or modify in the done local of technology contents, and do not depart from technical characteristic content of the present utility model, all still belong in the scope of the utility model technical characteristic.
Claims (3)
1. the ascending/decending sand discharge structure of the water inlet in a power station, comprise the high-pressure water pipe (3) be installed in water inlet building (1), the lower end of high-pressure water pipe (3) is stretched out the side of water inlet building (1) and piles (4) towards water inlet silt, its upper end is connected with high-pressure water (2), the bottom of water inlet building (1) is provided with sand discharge road (6), the front end in sand discharge road (6) and silt are piled between (4) and are provided with shell pump (5), it is characterized in that: the side of described high-pressure water pipe (3) is connected with many distributive pipes, the end of described distributive pipe connects water diversion disk (8) jointly, water diversion disk (8) is with the collect cavity be communicated with distributive pipe (80), the soffit of water diversion disk (8) is with multiple spray-hole (83) of being communicated with collect cavity (80) and be provided with the playpipe (9) be communicated with spray-hole (83), the lower end of playpipe (9) is placed in silt heap (4), the lower sides of playpipe (9) is with multiple flushing hole (91),
Also comprise the fixed mount (10) being positioned at water diversion disk (8) side, the upper surface of the upper head plate of fixed mount (10) is provided with motor (13), the soffit of described upper head plate is provided with cam (11) by support (12), being connected with cam (11) by belt of motor (13); The bottom plate of fixed mount (10) and the playpipe (9) of water diversion disk (8) soffit end side are slidably connected, and water diversion disk (8) another side is connected with the support plate (14) in water inlet building (1) by spring (15).
2. according to the ascending/decending sand discharge structure of the water inlet in power station according to claim 1, it is characterized in that: described water diversion disk (8) is with the first dish portion (81) and the second dish portion (82), with angle between the first dish portion (81) and the second dish portion (82), relative first dish portion (81) of the second dish portion (82) is tilted to lower setting; Described distributive pipe comprises upper distributive pipe (71) from top to bottm arranging successively and lower distributive pipe (72), upper distributive pipe (71) is communicated with the first dish portion (81), and lower distributive pipe (72) is communicated with the second dish portion (82).
3. according to the ascending/decending sand discharge structure of the water inlet in power station according to claim 1, it is characterized in that: the inclined of the relative playpipe (9) of flushing hole (91) of described playpipe (9) sidewall is arranged downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062498.4U CN204475285U (en) | 2015-01-28 | 2015-01-28 | The ascending/decending sand discharge structure of the water inlet in power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062498.4U CN204475285U (en) | 2015-01-28 | 2015-01-28 | The ascending/decending sand discharge structure of the water inlet in power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204475285U true CN204475285U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520062498.4U Expired - Fee Related CN204475285U (en) | 2015-01-28 | 2015-01-28 | The ascending/decending sand discharge structure of the water inlet in power station |
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| CN (1) | CN204475285U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178267A (en) * | 2015-10-18 | 2015-12-23 | 陆璟璇 | Moving mechanism of silt removal device at water inlet of hydropower station |
| CN105297691A (en) * | 2015-10-18 | 2016-02-03 | 陆璟璇 | Sediment discharging device for water inlet of hydroelectric station |
| CN106948321A (en) * | 2017-04-28 | 2017-07-14 | 大唐岩滩水力发电有限责任公司 | Powerplant intakes automatic sand discharging device |
| CN114396011A (en) * | 2022-02-11 | 2022-04-26 | 马福明 | Front flow sand discharging device for hydraulic building |
-
2015
- 2015-01-28 CN CN201520062498.4U patent/CN204475285U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178267A (en) * | 2015-10-18 | 2015-12-23 | 陆璟璇 | Moving mechanism of silt removal device at water inlet of hydropower station |
| CN105297691A (en) * | 2015-10-18 | 2016-02-03 | 陆璟璇 | Sediment discharging device for water inlet of hydroelectric station |
| CN106948321A (en) * | 2017-04-28 | 2017-07-14 | 大唐岩滩水力发电有限责任公司 | Powerplant intakes automatic sand discharging device |
| CN106948321B (en) * | 2017-04-28 | 2023-09-29 | 大唐岩滩水力发电有限责任公司 | Automatic sand discharging device for water inlet of power station |
| CN114396011A (en) * | 2022-02-11 | 2022-04-26 | 马福明 | Front flow sand discharging device for hydraulic building |
| CN114396011B (en) * | 2022-02-11 | 2023-09-29 | 马福明 | Front diversion sand-discharging device for hydraulic building |
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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: 20150715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |