CN111139798A - Reinforcing tower well type inlet sluicing tunnel down-the-hole arc door ventilation structure - Google Patents
Reinforcing tower well type inlet sluicing tunnel down-the-hole arc door ventilation structure Download PDFInfo
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- CN111139798A CN111139798A CN202010054873.6A CN202010054873A CN111139798A CN 111139798 A CN111139798 A CN 111139798A CN 202010054873 A CN202010054873 A CN 202010054873A CN 111139798 A CN111139798 A CN 111139798A
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- tower
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- vent
- downstream side
- exposed
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- 238000009423 ventilation Methods 0.000 title claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/04—Valves, slides, or the like; Arrangements therefor; Submerged sluice gates
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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
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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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a reinforced tower well type inlet drainage tunnel down-the-hole arc door ventilation structure, which comprises a tower well; a hydraulic press platform is arranged in the tower well, and an air inlet and an air outlet communicated to the bottom sill of the arc door are formed in a gate wall below the hydraulic press platform; a row of vent pipes are arranged on the downstream surface of the downstream tower well wall of the tower well, and the vent pipes are exposed vent pipes or pre-buried vent pipes; when the vent pipes are exposed vent pipes, the upper end of each exposed vent pipe is higher than the highest water level of the downstream side and is communicated with the atmosphere of the downstream side through a right-angle elbow pipe; the lower end of each exposed vent pipe penetrates through the well wall of the downstream tower through a bent pipe and is communicated with gas at the top of the downstream side of the down-the-hole radial gate. When the down-the-hole radial gate operates, air can be fully supplied through the vent pipe, and the air circulation from the holes of the hydraulic press platform is reduced, so that the air speed of the holes arranged on the top platform is reduced, and the safety of operating personnel, the hydraulic press and accessory equipment is effectively guaranteed.
Description
Technical Field
The invention relates to a reinforced tower well type inlet sluicing hole down-the-hole arc door ventilation structure, and belongs to the technical field of hydraulic and hydroelectric engineering metal structures.
Background
At present, for a tower-well type inlet sluice hole down-the-hole radial gate, the bottom air inlet and outlet of the vent hole are usually arranged on the gate walls at two sides of the drop sill at the lower part of the bottom sill, the top air inlet and outlet of the vent hole are usually arranged at the lower part of a hydraulic machine platform, when the down-the-hole radial gate runs, air flows into the vent hole through the top air inlet and outlet, for the sluice hole with small gate hole opening size and low flow rate, the air flow flux of the top air inlet and outlet is not large, the wind speed of the hole arranged on the top platform is not large, the hydraulic machine and the accessory equipment on the top platform are less influenced by the wind speed when the sluice is carried out, but the air flow flux of the top air inlet and outlet is large in the sluice hole opening size and high flow rate, the wind speed of the hole arranged on the top platform is large, the sloshing of the accessory, to be further improved.
Disclosure of Invention
The invention aims to provide a reinforced tower well type inlet drainage tunnel down-the-hole arc door ventilation structure, which effectively reduces the wind speed of a hole arranged on a top platform and effectively ensures the safety of operators, hydraulic machines and auxiliary equipment, thereby overcoming the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a reinforced tower well type inlet drainage tunnel down-the-hole arc door ventilation structure, which comprises a tower well; a hydraulic press platform is arranged in the tower well, and an air inlet and an air outlet communicated to the bottom sill of the arc door are formed in a gate wall below the hydraulic press platform; a row of vent pipes are arranged on the downstream surface of the downstream tower well wall of the tower well, and the vent pipes are exposed vent pipes or pre-buried vent pipes.
In the down-the-hole radial gate ventilation structure of the reinforced tower well type inlet sluicing tunnel, when the ventilation pipes are exposed ventilation pipes, the upper end of each exposed ventilation pipe is higher than the highest water level of the downstream side and is communicated with the atmosphere of the downstream side through a right-angle bent pipe; the lower end of each exposed vent pipe penetrates through the well wall of the downstream tower through a bent pipe and is communicated with gas at the top of the downstream side of the down-the-hole radial gate.
In the down-the-hole radial gate ventilation structure of the reinforced tower well type inlet drainage tunnel, the exposed ventilation pipe is fixedly connected with the downstream surface of the downstream tower well wall through a support ring.
In the strengthening tower well type inlet sluicing hole down-the-hole radial gate ventilation structure, when the ventilation pipes are pre-buried ventilation pipes, the upper end of each pre-buried ventilation pipe is higher than the highest water level of the downstream side and is communicated with the atmosphere of the downstream side through a right-angle bent pipe; the lower end of each pre-buried vent pipe is communicated with gas at the top of the downstream side of the down-the-hole arc door.
By adopting the technical scheme, compared with the prior art, the submerged arc door has the advantages that the row of vent pipes are arranged on the well wall of the downstream tower at the upper part of the air inlet and outlet at the top of the submerged arc door and are led to be communicated with the atmosphere above the highest water level of the downstream side at the upper part, and when the submerged arc door operates, air can be fully supplied through the vent pipes, so that the air flow from the holes of the hydraulic press platform is reduced, the air speed of the holes arranged on the top platform is reduced, and the safety of operating personnel, the hydraulic press and accessory equipment is effectively guaranteed.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention.
The figures are labeled as follows: the system comprises a tower well 1, a hydraulic press platform 2, a gate wall 3, an air inlet and an air outlet 4, a tower well wall 5 downstream, an exposed vent pipe 6, a highest water level 7 downstream, a right-angle bent pipe 8, a bent pipe 9, a submerged arc door 10, a support ring 11 and a pre-embedded vent pipe 12.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention discloses a reinforced tower well type inlet drainage tunnel down-the-hole arc door ventilation structure, which is shown in figure 1 or figure 2 and comprises a tower well 1; a hydraulic machine platform 2 is arranged in the tower shaft 1, and an air inlet and outlet 4 communicated to an arc door bottom sill is arranged on a gate wall 3 below the hydraulic machine platform 2; a row of vent pipes are arranged on the downstream surface of the downstream tower well wall 5 of the tower well 1, and the vent pipes are exposed vent pipes 6 or pre-buried vent pipes 12; when the vent pipe is an exposed vent pipe 6 (as shown in fig. 1), the upper end of each exposed vent pipe 6 is higher than the highest water level 7 of the downstream side and is communicated with the atmosphere of the downstream side through a right-angle elbow 8; the lower end of each exposed vent pipe 6 passes through the well wall 5 of the downstream tower through a bent pipe 9 and is communicated with the gas at the top of the downstream side of a down-the-hole arc door 10; the exposed vent pipe 6 is fixedly connected with the downstream surface of the downstream tower well wall 5 through a supporting ring 11; when the ventilation pipes are pre-buried ventilation pipes 12 (as shown in fig. 2), the upper end of each pre-buried ventilation pipe 12 is higher than the highest water level 7 of the downstream side and is communicated with the atmosphere of the downstream side through a right-angle elbow 8; the lower end of each pre-buried vent pipe 12 is communicated with the gas at the top of the downstream side of the down-the-hole radial gate 10.
Example 1
As shown in fig. 1, a row of exposed vent pipes 6 are arranged on a downstream tower shaft wall 5 above an air inlet and outlet 4 at the top of a vent hole of a down-the-hole arc door 10 of a tower shaft type inlet. The exposed vent pipe 6 is led to the upper part and the downstream side and is communicated with the atmosphere above the highest water level 7; the lower end of the exposed vent pipe 6 is provided with a bent pipe 9, and the upper end is provided with a right-angled bent pipe 8; the exposed vent pipe 6 is secured to the downstream face of the downstream tower well wall 5 via a set of support rings 11.
Example 2
This example is shown in fig. 2, and differs from example 1 as follows: example 1 employs an exposed vent pipe 6, the exposed vent pipe 6 being secured to the downstream face of the downstream tower well wall 5 via a set of support rings 11. The lower end of the exposed vent pipe 6 is provided with a bent pipe 9. In the embodiment, an embedded type ventilation pipe 13 is adopted, and is directly embedded in a downstream tower well wall 5 during tower well construction. The lower end of the pre-buried vent pipe 13 is not provided with a bent pipe and is directly communicated with the gas at the top of the downstream side of the down-the-hole arc door 10.
According to the invention, the down-stream tower well wall at the upper part of the air inlet and outlet at the top of the down-hole radial gate is provided with a row of vent pipes to lead the air to be communicated with the atmosphere above the highest water level of the down-stream side at the upper part, and when the down-hole radial gate operates, the air can be fully supplied through the vent pipes, so that the air flow from the holes of the hydraulic press platform is reduced, the air speed of the holes arranged on the top platform is reduced, and the safety of operating personnel, the hydraulic press.
Claims (4)
1. A kind of enhancement tower well type inlet sluicing cave down-the-hole radial gate ventilating structure, including the tower well (1); a hydraulic press platform (2) is arranged in the tower shaft (1), and an air inlet and outlet (4) communicated to the bottom sill of the arc door is arranged on a gate wall (3) below the hydraulic press platform (2); the method is characterized in that: a row of vent pipes are arranged on the downstream surface of the downstream tower well wall (5) of the tower well (1), and the vent pipes are exposed vent pipes (6) or pre-buried vent pipes (12).
2. The reinforced tower shaft inlet sluicehole down-the-hole radial gate ventilation structure of claim 1, wherein: when the vent pipes are exposed vent pipes (6), the upper end of each exposed vent pipe (6) is higher than the highest water level (7) of the downstream side and is communicated with the atmosphere of the downstream side through a right-angle elbow (8); the lower end of each exposed vent pipe (6) passes through the well wall (5) of the downstream tower through a bent pipe (9) and is communicated with the gas at the top of the downstream side of the down-the-hole radial gate (10).
3. The reinforced tower shaft inlet sluicehole down-the-hole radial gate ventilation structure of claim 1, wherein: the exposed vent pipe (6) is fixedly connected with the downstream surface of the downstream tower well wall (5) through a supporting ring (11).
4. The reinforced tower shaft inlet sluicehole down-the-hole radial gate ventilation structure of claim 1, wherein: when the vent pipe is an embedded vent pipe (12), the upper end of each embedded vent pipe (12) is higher than the highest water level (7) of the downstream side and is communicated with the atmosphere of the downstream side through a right-angle elbow (8); the lower end of each pre-buried vent pipe (12) is communicated with gas at the top of the downstream side of the down-the-hole radial gate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010054873.6A CN111139798A (en) | 2020-01-17 | 2020-01-17 | Reinforcing tower well type inlet sluicing tunnel down-the-hole arc door ventilation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010054873.6A CN111139798A (en) | 2020-01-17 | 2020-01-17 | Reinforcing tower well type inlet sluicing tunnel down-the-hole arc door ventilation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111139798A true CN111139798A (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010054873.6A Pending CN111139798A (en) | 2020-01-17 | 2020-01-17 | Reinforcing tower well type inlet sluicing tunnel down-the-hole arc door ventilation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111139798A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000080630A (en) * | 1998-09-07 | 2000-03-21 | Marushima Aqua System:Kk | Water intake device |
| JP2000178945A (en) * | 1998-12-18 | 2000-06-27 | Hitachi Zosen Corp | Door body supporting structure with sheathing |
| JP2009155966A (en) * | 2007-12-27 | 2009-07-16 | Chugoku Electric Power Co Inc:The | Air entrainment inhibiting device |
| US20090255865A1 (en) * | 2005-09-12 | 2009-10-15 | Wan Young Lee | Sludge Treatment System for Dam |
| CN102900055A (en) * | 2012-09-12 | 2013-01-30 | 中国水产科学研究院珠江水产研究所 | Fish passageway and fish passageway building method for low-waterhead dam |
| CN204174594U (en) * | 2014-10-29 | 2015-02-25 | 中国电建集团成都勘测设计研究院有限公司 | Hydropower station construction ventilation well construction |
| CN204662387U (en) * | 2015-05-12 | 2015-09-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Large-scale deep water inlet air vent arrangement structure |
| CN206298882U (en) * | 2016-11-01 | 2017-07-04 | 中国电建集团华东勘测设计研究院有限公司 | It is a kind of reduce gate shaft surge and passage wind speed arrangement |
| CN109183742A (en) * | 2018-10-17 | 2019-01-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Improved method and structure of flat down-the-hole gate vent pipe |
| CN110468802A (en) * | 2019-08-26 | 2019-11-19 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of anti-tidal bore plane gate |
-
2020
- 2020-01-17 CN CN202010054873.6A patent/CN111139798A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000080630A (en) * | 1998-09-07 | 2000-03-21 | Marushima Aqua System:Kk | Water intake device |
| JP2000178945A (en) * | 1998-12-18 | 2000-06-27 | Hitachi Zosen Corp | Door body supporting structure with sheathing |
| US20090255865A1 (en) * | 2005-09-12 | 2009-10-15 | Wan Young Lee | Sludge Treatment System for Dam |
| JP2009155966A (en) * | 2007-12-27 | 2009-07-16 | Chugoku Electric Power Co Inc:The | Air entrainment inhibiting device |
| CN102900055A (en) * | 2012-09-12 | 2013-01-30 | 中国水产科学研究院珠江水产研究所 | Fish passageway and fish passageway building method for low-waterhead dam |
| CN204174594U (en) * | 2014-10-29 | 2015-02-25 | 中国电建集团成都勘测设计研究院有限公司 | Hydropower station construction ventilation well construction |
| CN204662387U (en) * | 2015-05-12 | 2015-09-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Large-scale deep water inlet air vent arrangement structure |
| CN206298882U (en) * | 2016-11-01 | 2017-07-04 | 中国电建集团华东勘测设计研究院有限公司 | It is a kind of reduce gate shaft surge and passage wind speed arrangement |
| CN109183742A (en) * | 2018-10-17 | 2019-01-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Improved method and structure of flat down-the-hole gate vent pipe |
| CN110468802A (en) * | 2019-08-26 | 2019-11-19 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of anti-tidal bore plane gate |
Non-Patent Citations (2)
| Title |
|---|
| 李代莪, 钟启汕: "飞来峡水利枢纽溢流坝闸门设计的主要问题", 人民珠江, no. 06, 25 December 1999 (1999-12-25) * |
| 王兴恩;陆一婷;徐;高伟;卢修迪;: "高窄大孔口多分瓣式主纵梁潜孔弧门技术探讨", 水力发电, no. 07, 12 July 2018 (2018-07-12) * |
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