CN109371933B - Underground powerhouse ventilation system of hydropower station - Google Patents
Underground powerhouse ventilation system of hydropower station Download PDFInfo
- Publication number
- CN109371933B CN109371933B CN201811408359.7A CN201811408359A CN109371933B CN 109371933 B CN109371933 B CN 109371933B CN 201811408359 A CN201811408359 A CN 201811408359A CN 109371933 B CN109371933 B CN 109371933B
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- air conditioner
- room
- air
- installation
- transportation
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- 238000009423 ventilation Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 53
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 abstract description 37
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a ventilation system of an underground powerhouse of a hydropower station, which belongs to the field of hydraulic and hydroelectric engineering and aims to solve the technical problems that: the existing air conditioner room of the hydropower station underground factory building needs to be specially provided with a transportation hole as an operation channel for transportation, installation, overhaul and the like of an air conditioner unit. According to the invention, the auxiliary plant of the air conditioner is arranged, and the corresponding transportation hanging hole is arranged, so that the air conditioning unit transported to the plant installation room through the factory entering transportation hole is hung in the air conditioning machine room above the factory installation room for installation, and therefore, no additional transportation channel specially used for transportation and overhaul of the air conditioning unit is required to be arranged, the arrangement complexity of the corresponding grotto group can be reduced, the engineering investment can be saved, and the construction installation, the maintenance in the operation period and the centralized management of the air conditioning unit are more convenient.
Description
Technical Field
The invention relates to the field of hydraulic and hydroelectric engineering, in particular to a ventilation system of an underground powerhouse of a hydropower station.
Background
In the layout design of the ventilation system of the underground powerhouse of the hydropower station, not only the ventilation requirements of the underground powerhouse are met, but also the requirements of convenience in construction installation, operation and maintenance and the like of an air conditioning unit in the air conditioning machine room are considered under the condition that the air conditioning machine room is arranged. In general, a special air inlet and exhaust channel is arranged on the suspended ceiling of the underground main factory building, so that the air conditioner room is required to be arranged close to the top arch for coordinating the arrangement of the cavern and the smooth air inlet, and the elevation of the air conditioner room is higher than that of a bottom plate in the installation room.
Because the size of the air conditioning unit of the ventilation system of the underground factory building is large, special traffic channels are needed for transportation, installation and overhauling maintenance in the running period. In the prior art, in order to solve the traffic problem of the air-conditioning machine room, a special through transportation hole needs to be drilled in an adjacent construction branch hole or approach traffic hole to directly reach the air-conditioning machine room, so that the arrangement of a grotto group is more complicated, the engineering investment is increased, and meanwhile, the centralized operation management is inconvenient.
Disclosure of Invention
The invention solves the technical problems that: the existing air conditioner room of the hydropower station underground factory building needs to be specially provided with a transportation hole as an operation channel for transportation, installation, overhaul and the like of an air conditioner unit.
The technical scheme adopted for solving the technical problems is as follows: the hydropower station underground plant ventilation system comprises a plant installation room and a plant entering traffic hole communicated with the plant installation room, wherein an air conditioner room is arranged at the top of one end, close to the plant entering traffic hole, in the plant installation room, an air conditioner auxiliary plant is arranged between the plant installation room and the air conditioner room, and a transportation hanging hole is vertically arranged in the air conditioner auxiliary plant and is respectively communicated with the bottom of the plant installation room and the air conditioner room; and lifting equipment is arranged in the transportation lifting hole.
Further is: the auxiliary workshop of the air conditioner is sequentially provided with a transportation hanging hole, an installation room area and a stairwell along the width direction.
Further is: the installation room area comprises an air conditioner room distributor room, a cable room and a control cabinet room from bottom to top.
Further is: an air inlet channel is arranged at the top of the workshop installation room, an air inlet air pressure buffer chamber is arranged above the installation chamber area in the auxiliary workshop of the air conditioner, and the air inlet channel is communicated with an air outlet of the air conditioner room through the air inlet air pressure buffer chamber.
Further is: an air inlet tunnel is arranged on the upstream side of the air conditioner room and is communicated with an air inlet of the air conditioner room.
Further is: the air conditioner room is provided with two layers, each layer is respectively provided with an air conditioner unit, and the air conditioner units in the two layers are connected in parallel.
Further is: an exhaust system is arranged at the other end of the workshop, which is opposite to the air conditioner room.
The beneficial effects of the invention are as follows: according to the invention, the auxiliary plant of the air conditioner is arranged, and the corresponding transportation hanging hole is arranged, so that the air conditioning unit transported to the plant installation room through the factory entering transportation hole is hung in the air conditioning machine room above the factory installation room for installation, and therefore, no additional transportation channel specially used for transportation and overhaul of the air conditioning unit is required to be arranged, the arrangement complexity of the corresponding grotto group can be reduced, the engineering investment can be saved, and the construction installation, the maintenance in the operation period and the centralized management of the air conditioning unit are more convenient. In addition, by further arranging the corresponding installation room area and stairwell, the invention can install and arrange the corresponding control terminal, distribution equipment, circuit arrangement and the like for the air conditioning unit by means of the installation room area, thereby further fully utilizing the building space and reducing the space requirement of the air conditioning room; by arranging the corresponding stairwell, the operation personnel can enter the air conditioner room and the corresponding floors when construction and maintenance are convenient.
Drawings
FIG. 1 is a schematic layout of a hydropower station underground plant ventilation system along a longitudinal axis section of the plant;
FIG. 2 is a cross-sectional top view of A-A;
FIG. 3 is a cross-sectional top view of B-B;
FIG. 4 is a cross-sectional top view of C-C;
FIG. 5 is a cross-sectional top view of D-D;
marked in the figure as: factory building installation room 1, factory entrance traffic hole 2, air conditioner room 3, air conditioner auxiliary factory building 4, transportation hanging hole 5, installation room area 6, air conditioner room distributor room 61, cable room 62, control cabinet room 63, stairwell 7, air inlet duct 8, air inlet air pressure buffer room 9, air inlet hole 10, air conditioner unit 11.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
As shown in fig. 1 to 5, the underground powerhouse ventilation system of the hydropower station comprises a powerhouse installation room 1 and a factory entrance traffic hole 2 communicated with the powerhouse installation room 1, wherein an air conditioner room 3 is arranged at the top of one end, close to the factory entrance traffic hole 2, of the powerhouse installation room 1, an air conditioner auxiliary powerhouse 4 is arranged between the powerhouse installation room 1 and the air conditioner room 3, a transportation hanging hole 5 is vertically arranged in the air conditioner auxiliary powerhouse 4, and the transportation hanging hole 5 is respectively communicated with the bottom of the powerhouse installation room 1 and the air conditioner room 3; a lifting device is arranged in the transportation lifting hole 5.
The auxiliary plant 4 of the air conditioner is used for transferring equipment such as an air conditioning unit 11 and the like which are transported into the plant installation room 1 into the air conditioning machine room 3 for installation through a transport hanging hole 5 in the auxiliary plant 4 of the air conditioner or is used as a maintenance channel of the air conditioning unit 11; so that the corresponding air conditioning unit 11 can be directly transported into the factory building installation room 1 through the factory entrance traffic hole 2 and then lifted into the air conditioning machine room 3 through the transportation lifting hole 5; so that it is not necessary to additionally open a transport hole dedicated to the air conditioning unit 11 in the air conditioning room 3. Without losing generality, corresponding lifting equipment is required to be matched in the lifting process of the transportation lifting hole 5. In addition, an inlet communicated with the bottom of the transportation hanging hole 5 should be arranged at the bottom of the auxiliary plant 4 of the air conditioner so as to send the air conditioning unit 11 in the plant installation room 1 to the bottom of the transportation hanging hole 5 for hanging. Without loss of generality, the above-described transportation process of the present invention for the air conditioning unit 11 is summarized as follows: factory entrance traffic hole 2, factory installation room 1, transportation hanging hole 5 in air conditioner auxiliary factory building 4 and air conditioner room 3; when maintenance is needed, the disassembled air conditioning unit 11 is reversely transported outwards. Without loss of generality, the corresponding dimensions of the above-mentioned channels of each transport air conditioning unit 11 should be set reasonably according to the dimensions required for transportation of the air conditioning units 11.
More specifically, referring to fig. 2 to 4, the present invention further provides that the auxiliary plant 4 of the air conditioner is provided with a transportation hanging hole 5, an installation room area 6 and a stairwell 7 in sequence along the width direction. Thus, by further arranging the stairwell 7, construction operators can conveniently enter and exit the air conditioner room 3 and each floor of the air conditioner auxiliary factory building 4 from the factory building installation room 1 through the stairwell 7. The installation room area 6 is an independent building area provided in the air-conditioning sub-plant 4. Specifically, the installation room area 6 may further comprise three layers of structures from bottom to top, including an air conditioner room switchboard room 61, a cable room 62 and a control cabinet room 63, which correspond to the structures shown in fig. 2 to 4; the air conditioner room distributor room 61, the cable room 62 and the control cabinet room 63 can be respectively used for installing control terminals, distribution equipment, circuit arrangement and the like which are required by the matching of the air conditioner unit 11, so that the space required by installing the matching equipment in the air conditioner room 3 can be further reduced, and the excavation space of the air conditioner room 3 can be further reduced; meanwhile, the stairwell 7 can also facilitate the independent overhaul of corresponding matched equipment in each building.
In addition, an air inlet duct 8 is typically provided at the top of the plant installation room 1, and air processed by the air conditioning unit 11 is conveyed to each required position of the plant through the air inlet duct 8. When the air conditioner auxiliary plant 4 is arranged, an air inlet air pressure buffer chamber 9 is further arranged above the installation chamber region 6 in the air conditioner auxiliary plant 4, and the air inlet duct 8 is communicated with an air outlet of the air conditioner room 3 through the air inlet air pressure buffer chamber 9; that is, the air discharged from the air outlet of the air conditioner room 3 is firstly discharged into the air inlet air pressure buffer chamber 9, and is buffered to a certain extent and then is conveyed to all required parts in the factory building through the air inlet duct 8. More specifically, in order to improve the air circulation efficiency and ventilation effect in the whole workshop 1, the air exhaust system is further arranged at the other end of the workshop 1 opposite to the air conditioner room 3, and the air in the workshop 1 is exhausted through the air exhaust system, so that the ventilation efficiency in the whole workshop is improved.
In addition, the air inlet tunnel 10 is naturally required to be arranged to be communicated with the air conditioner room 3 to supply air to the air conditioner room 3, and specifically, the air inlet tunnel 10 can be arranged at reasonable positions such as the upstream side, the downstream side or the top of the air conditioner room 3, in the invention, the air inlet tunnel 10 is preferably arranged at the upstream side of the air conditioner room 3, and the air inlet tunnel 10 is communicated with the air inlet of the air conditioner room 3 to supply air to the air conditioner room 3 through the air inlet tunnel 10.
Through the above settings, the ventilation process of the ventilation system of the hydropower station underground powerhouse is summarized as follows: the method comprises the steps of air inlet tunnel 10, air conditioner room 3, air inlet air pressure buffer chamber 9 at the top of air conditioner room auxiliary workshop 4, air inlet tunnel 8 at the top of workshop installation room 1, all required parts in the workshop and exhaust system discharge.
More specifically, in order to increase the number of air conditioning units 11 that can be installed in the air conditioning room 3, in the present invention, two layers of air conditioning units 11 are further provided in the air conditioning room 3, and each layer is provided with two air conditioning units 11, where the air conditioning units 11 in the two layers are connected in parallel. And two groups of air conditioning units 11 can be respectively arranged in each layer.
Claims (4)
1. Hydropower station underground plant ventilation system, including factory building installation room (1) and with factory building installation room (1) intercommunication advance factory traffic hole (2), be close to in factory building installation room (1) advance factory traffic hole (2) one end top and be provided with air conditioner computer lab (3), its characterized in that: an air conditioner auxiliary plant (4) is arranged between the plant installation room (1) and the air conditioner room (3), a transportation hanging hole (5) is vertically arranged in the air conditioner auxiliary plant (4), and the transportation hanging hole (5) is respectively communicated with the bottom of the plant installation room (1) and the air conditioner room (3); lifting equipment is arranged in the transportation lifting hole (5);
the auxiliary workshop (4) of the air conditioner is sequentially provided with a transportation hanging hole (5), an installation chamber area (6) and a stairwell (7) along the width direction, wherein the installation chamber area (6) comprises an air conditioner room distribution board chamber (61), a cable chamber (62) and a control cabinet chamber (63) from bottom to top;
an air inlet duct (8) is arranged at the top of the workshop installation room (1), an air inlet air pressure buffer chamber (9) is arranged above the installation chamber area (6) in the auxiliary workshop (4) of the air conditioner, and the air inlet duct (8) is communicated with an air outlet of the air conditioner room (3) through the air inlet air pressure buffer chamber (9).
2. The hydropower station underground powerhouse ventilation system of claim 1, wherein: an air inlet tunnel (10) is arranged on the upstream side of the air conditioner room (3), and the air inlet tunnel (10) is communicated with an air inlet of the air conditioner room (3).
3. The hydropower station underground powerhouse ventilation system of claim 1, wherein: the air conditioner room (3) is provided with two layers, each layer is provided with an air conditioner unit (11), and the air conditioner units (11) in the two layers are connected in parallel.
4. A hydropower station underground powerhouse ventilation system according to any one of claims 1 to 3, characterized in that: an exhaust system is arranged at the other end of the workshop installation room (1) opposite to the air conditioner room (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811408359.7A CN109371933B (en) | 2018-11-23 | 2018-11-23 | Underground powerhouse ventilation system of hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811408359.7A CN109371933B (en) | 2018-11-23 | 2018-11-23 | Underground powerhouse ventilation system of hydropower station |
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| Publication Number | Publication Date |
|---|---|
| CN109371933A CN109371933A (en) | 2019-02-22 |
| CN109371933B true CN109371933B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811408359.7A Active CN109371933B (en) | 2018-11-23 | 2018-11-23 | Underground powerhouse ventilation system of hydropower station |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110965585B (en) * | 2019-12-25 | 2021-06-22 | 中铁建设集团市政工程有限公司 | Multi-multi-arch rectangular tunnel arch division construction method |
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