CN203393982U - Vertical shaft adopting underground powerhouse cable outlet and air exhausting system which are arranged combinedly - Google Patents
Vertical shaft adopting underground powerhouse cable outlet and air exhausting system which are arranged combinedly Download PDFInfo
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- CN203393982U CN203393982U CN201320455301.4U CN201320455301U CN203393982U CN 203393982 U CN203393982 U CN 203393982U CN 201320455301 U CN201320455301 U CN 201320455301U CN 203393982 U CN203393982 U CN 203393982U
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- vertical shaft
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Abstract
The utility model relates to a vertical shaft adopting an underground powerhouse cable outlet and an air exhausting system which are arranged combinedly and belongs to the field of vertical shaft structures in water conservancy and hydropower engineering. An underground powerhouse cable vertical shaft and an air exhausting vertical shaft are combined to form a large shaft, and the large shaft has cable outlet, air exhausting and traffic functions and divided into multiple functional spaces including an elevator shaft, an elevator front room, a stair case, a high-voltage cable shaft, a low-voltage cable shaft, a positive-pressure blowing shaft, a cable accident smoke-discharge shaft and the like. The vertical shaft has the advantages that the occupied area of the ground is decreased, environmental protection and water and soil conservation are facilitated, and the purpose of ecological construction advocated by the state is fulfilled.
Description
Technical field
The utility model belongs to the shaft structure field in Hydraulic and Hydro-Power Engineering, is applicable to underground workshop, especially Pumped Storage Plant Underground Powerhouse.
Background technology
Along with the development of China's hydropower, many large hydropower station engineerings have adopted the structural shape of underground power house, because control room and electric power outlet line are all positioned at ground, certainly will have cable outlet and underground chamber air draft problem.
In recent years, along with the progress of pumped storage power plant technology, large quantities of large-scale pumped storage power power plant projects put into operation successively.Due to features such as the outlet electric pressure of pumped storage power plant are high, underground power house buried depth is large, high-voltage terminal mode is special, for pumped storage power plant, the design of its outlet scheme and the design of exhaust system are particularly important.
At present, in traditional hydroelectric station design, cable outlet and exhaust system are independent layout: the air draft of underground chamber adopts vertical shaft air draft substantially, make full use of " chimney " effect, strengthen air draft, smoke discharging effect; Cable outlet generally adopts inclined shaft or vertical shaft outlet to ground switching station, adopt which kind of form outlet, need consider in conjunction with the many factors such as designing and manufacturing technique level, laying installation level and operation maintenance condition, conditions of transportation of landform geological conditions, cable or GIL equipment.
In traditional design, arrange separately that cable outlet and exhaust system exist following problem:
(1) floor space is large
Outlet well and air draft well occupy floor outlet separately, and exit position is different, and the road that arrives two outlets need be set respectively, cause like this floor space large, are unfavorable for environmental protection and the water and soil conservation of engineering, also do not meet the aim that country advocates ecological construction.
(2) underground chamber number is many
Cable outlet and exhaust system arrange separately, cause underground hole group number many, are unfavorable for cavity group adjoining rock stability, are unfavorable for engineering safety.
(3) construction investment is large
In order to increase surrounding rock stability, no matter cable outlet vertical shaft or exhaust air shaft, the general circular cross-section that adopts, if arrange separately two cover systems, except increasing a set of cavern, the space availability ratio of cable shaft is not high yet, and the edge of circular cross-section can not make full use of, and therefore can cause construction investment to strengthen.
Therefore, in view of current high-voltage terminal scheme and the air draft scheme importance for underground workshop, research and inquirement is more conducive to reduce the wider Novel underground factory building outlet of occupation of land, engineering safety, operation maintenance, cost saving, range of application and exhaust system layout pattern has become the problem that design and scientific research personnel pay special attention to.
Summary of the invention
The vertical shaft that the utility model provides a kind of underground power house cable outlet to be combined layout with exhaust system, to solve, current underground power house goes out wire system and exhaust system arranges that separately the floor space existing is large, is unfavorable for environmental protection and water and soil conservation; Be unfavorable for that underground hole group stablizes, is unfavorable for engineering safety; Construction investment is larger, is unfavorable for the problem of energy-saving and emission-reduction.
The technical scheme that the utility model is taked is: in the centre of Circular Shaft, have foursquare service shaft, this service shaft inside comprises elevator shaft, elevator cup and staircase, shape main transformer hole, the bottom of this vertical shaft " crescent moon " is propped up hole with auxiliary power house merging exhaust air shaft and main transformer hole and auxiliary power house merging air draft and is communicated with, " crescent moon " shape main building exhaust air shaft props up hole with main building air draft and is communicated with, " crescent moon " shape high voltage cable vertical shaft is communicated with high voltage cable gallery, low-voltage cable vertical shaft is communicated with low-voltage cable gallery, described high voltage cable vertical shaft is adjacent with low-voltage cable vertical shaft, between this high voltage cable vertical shaft and main building exhaust air shaft, there is high voltage cable accident smoke evacuation well, a side at this low-voltage cable vertical shaft has low-voltage cable accident smoke evacuation well, opposite side at this low-voltage cable accident smoke evacuation well has forced draft well, in vertical shaft inside, be respectively equipped with high voltage cable vertical shaft inspection platform, low-voltage cable vertical shaft inspection platform, between each well, be concrete wall.
The utility model has the advantages that:
(1) cable shaft and exhaust air shaft merge layout, reduce floor space, have both reduced the occupation of land of vertical shaft outlet, have also reduced to the occupation of land of vertical shaft exit road, are conducive to environmental protection and water and soil conservation, meet the aim of national ecological construction;
(2) reduce underground hole group cavern quantity, be conducive to cavity group adjoining rock stability, increased the safety of engineering;
(3) in vertical shaft, comprise the functions such as outlet, air draft and traffic, taken full advantage of the section area of Circular Shaft, reduced construction investment;
(4) shaft excavation can adopt anti-well to bore to add the form digging, and the advantage easily that has that difficulty of construction is little, construction safety degree is high and construction is slagged tap due to the minimizing of vertical shaft quantity, has improved construction speed simultaneously, has shortened the duration;
(5) be convenient to engineering management, be provided with Lift & Stairs in vertical shaft, make between switching station and underground power house traffic contact more convenient, be particularly useful for northern frore area, winter snow cover makes the situation of highway communication difficulty.
The utility model is simple, reliable, applied widely, has improved engineering safety, is conducive to environmental protection and water and soil conservation, meets the aim that country advocates ecological construction, has good application prospect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is high voltage cable vertical shaft inspection platform of the present utility model and low-voltage cable vertical shaft inspection platform layer structural representation.
The specific embodiment
In the centre of Circular Shaft 1, there is foursquare service shaft, this service shaft inside comprises elevator shaft 7, elevator cup 8 and staircase 6, shape main transformer hole, the bottom of vertical shaft 1 " crescent moon " is propped up hole 2 with auxiliary power house merging exhaust air shaft 3 and main transformer hole and auxiliary power house merging air draft and is communicated with, " crescent moon " shape main building exhaust air shaft 5 props up hole 4 with main building air draft and is communicated with, " crescent moon " shape high voltage cable vertical shaft 10 is communicated with high voltage cable gallery 14, low-voltage cable vertical shaft 13 is communicated with low-voltage cable gallery 15, described high voltage cable vertical shaft is adjacent with low-voltage cable vertical shaft, between this high voltage cable vertical shaft and main building exhaust air shaft, there is high voltage cable accident smoke evacuation well 9, a side at this low-voltage cable vertical shaft has low-voltage cable accident smoke evacuation well 11, opposite side at this low-voltage cable accident smoke evacuation well has forced draft well 12, in vertical shaft inside, be respectively equipped with high voltage cable vertical shaft inspection platform 16, low-voltage cable vertical shaft inspection platform 17, between each well, be concrete wall 18.
Claims (1)
1. a underground power house cable outlet is combined the vertical shaft of arranging with exhaust system, it is characterized in that: in the centre of Circular Shaft, have foursquare service shaft, this service shaft inside comprises elevator shaft, elevator cup and staircase, shape main transformer hole, the bottom of this vertical shaft " crescent moon " is propped up hole with auxiliary power house merging exhaust air shaft and main transformer hole and auxiliary power house merging air draft and is communicated with, " crescent moon " shape main building exhaust air shaft props up hole with main building air draft and is communicated with, " crescent moon " shape high voltage cable vertical shaft is communicated with high voltage cable gallery, low-voltage cable vertical shaft is communicated with low-voltage cable gallery, described high voltage cable vertical shaft is adjacent with low-voltage cable vertical shaft, between this high voltage cable vertical shaft and main building exhaust air shaft, there is high voltage cable accident smoke evacuation well, a side at this low-voltage cable vertical shaft has low-voltage cable accident smoke evacuation well, opposite side at this low-voltage cable accident smoke evacuation well has forced draft well, in vertical shaft inside, be respectively equipped with high voltage cable vertical shaft inspection platform, low-voltage cable vertical shaft inspection platform, between each well, be concrete wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455301.4U CN203393982U (en) | 2013-07-30 | 2013-07-30 | Vertical shaft adopting underground powerhouse cable outlet and air exhausting system which are arranged combinedly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455301.4U CN203393982U (en) | 2013-07-30 | 2013-07-30 | Vertical shaft adopting underground powerhouse cable outlet and air exhausting system which are arranged combinedly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203393982U true CN203393982U (en) | 2014-01-15 |
Family
ID=49905522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320455301.4U Withdrawn - After Issue CN203393982U (en) | 2013-07-30 | 2013-07-30 | Vertical shaft adopting underground powerhouse cable outlet and air exhausting system which are arranged combinedly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203393982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362290A (en) * | 2013-07-30 | 2013-10-23 | 中水东北勘测设计研究有限责任公司 | Shaft with combined arrangement of underground powerhouse cable line outgoing system and air exhausting system |
| CN104652461A (en) * | 2015-01-21 | 2015-05-27 | 中国电建集团贵阳勘测设计研究院有限公司 | Waterproof and drainage structure of vertical shaft in underground workhouse and construction method for waterproof and drainage structure |
-
2013
- 2013-07-30 CN CN201320455301.4U patent/CN203393982U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362290A (en) * | 2013-07-30 | 2013-10-23 | 中水东北勘测设计研究有限责任公司 | Shaft with combined arrangement of underground powerhouse cable line outgoing system and air exhausting system |
| CN103362290B (en) * | 2013-07-30 | 2015-04-22 | 中水东北勘测设计研究有限责任公司 | Shaft with combined arrangement of underground powerhouse cable line outgoing system and air exhausting system |
| CN104652461A (en) * | 2015-01-21 | 2015-05-27 | 中国电建集团贵阳勘测设计研究院有限公司 | Waterproof and drainage structure of vertical shaft in underground workhouse and construction method for waterproof and drainage structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140115 Effective date of abandoning: 20150422 |