CN205349398U - Air supply system in large and long tunnels hole of supplementary construction of many inclined shafts - Google Patents
Air supply system in large and long tunnels hole of supplementary construction of many inclined shafts Download PDFInfo
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- CN205349398U CN205349398U CN201620057380.7U CN201620057380U CN205349398U CN 205349398 U CN205349398 U CN 205349398U CN 201620057380 U CN201620057380 U CN 201620057380U CN 205349398 U CN205349398 U CN 205349398U
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- tunnel
- air
- high pressure
- supply system
- slope
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims description 39
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 6
- 238000003915 air pollution Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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Abstract
The utility model discloses an air supply system in large and long tunnels hole of supplementary construction of many inclined shafts, including tunnel (1), the one end of tunnel (1) is construction operation face (2) be provided with adjacent tunnel inclined shaft A (3) and tunnel inclined shaft B (4) in tunnel (1), in tunnel (1) and lean on construction operation face (2) to be provided with high -pressure gas supply system and fresh air gas supply system high pressure gas supply system and fresh air gas supply system's air feed end is provided with air door (5) that are used for keeping apart tunnel inclined shaft A (3) and tunnel inclined shaft B (4) intercommunication passageway. The utility model has the advantages of simple structure, reliable operation, adopt it to shorten the ventilation distance in the tunnel of growing up, not only can be effectual carry out high -pressure gas and fresh air's supply to high -tension apparatus and constructor, simultaneously, still practiced thrift the operating expenses greatly, reduced the maintenance degree of difficulty.
Description
Technical field
This utility model relates in a kind of Tunnel air feed system in air feed system, the particularly long and large tunnel of a kind of many inclined shafts auxiliary construction.
Background technology
At present, in constructing tunnel, based on the air feed of the major long tunnel of many inclined shafts auxiliary construction, high-pressure air feed and operation side by closest inclined shaft hole to intrinsic pressure wind.Wherein, inner high voltage supply in hole is relied primarily on the gases at high pressure equipment station built at the nearest inclined shaft hole of the distance construction scope of operation and is inwardly supplied by pipeline；The blower fan that the hole place that personnel's air feed of operation side then relies on the distance construction scope of operation nearest installs, is inwardly independently pressed into fresh air by air duct, to solve oxygen needed for personnel and plant equipment.Although this mode is feasible, but: this mode still suffers from following deficiency: 1. operating expenses is bigger: mainly air duct and steam line length are oversize, and construction puts into bigger；And personnel responsible for maintenance's cost increases therewith.2. maintenance difficulty is big: owing to length is relatively big, the point broken down individually is not easily found, impact construction.
Utility model content
The purpose of this utility model is just to provide air feed system in the long and large tunnel of a kind of many inclined shafts that operating expenses is little, maintenance difficulty is low auxiliary construction.
The purpose of this utility model is realized by such technical scheme, air feed system in the long and large tunnel of a kind of many inclined shafts auxiliary construction, including tunnel, the one end in tunnel is operation side, adjacent tunnel slope A and tunnel slope B it is provided with in described tunnel, being provided with high pressure air feed system and fresh air air supply system in described tunnel and by operation side, the supply end at described high pressure air feed system and fresh air air supply system is provided with for isolating tunnel slope A and the air door of tunnel slope B communicating passage.
Wherein, described high pressure air feed system includes high-pressure gas pipelines and gases at high pressure equipment station, and one end of described high-pressure gas pipelines is connected with described gases at high pressure equipment station, and the other end is connected with the high pressure equipment of operation side；Described fresh air air supply system includes air duct and axial flow blower, and one end of described air duct is towards operation side, and the other end is connected with axial flow blower, and described air door is arranged on described gases at high pressure equipment station and axial flow blower end.
Further describing, described high-pressure gas pipelines and air duct are yi word pattern, and described tunnel slope A is isolated by described air door with gases at high pressure equipment station and axial flow blower.
Further describing, described high-pressure gas pipelines and air duct are L-type, and described gases at high pressure equipment station and axial flow blower are arranged in described tunnel slope A, and described air door is positioned at the crossing of tunnel slope A and tunnel.
In order to accelerate ventilation speed, in described tunnel slope A or tunnel slope B, it is provided with jet blower.
Owing to the factors such as each inclined shaft hole elevation, air pressure, temperature and wind speed are each variant, under each factors, define thermal head and draught head, make between inclined shaft and tunnel, to form gravity flow wind, in major long tunnel work progress, this gravity flow wind available carries out fresh air needed for operation side offer gases at high pressure and workmen.
Owing to have employed technique scheme, the advantage that this utility model has simple in construction, reliable operation, it is adopted to shorten the ventilation distance of major long tunnel, it is not only able to the effective supply that high pressure equipment and workmen are carried out gases at high pressure and fresh air, simultaneously, also it is greatly saved operating expenses, reduces maintenance difficulty.
Accompanying drawing explanation
Accompanying drawing of the present utility model illustrates as follows:
Fig. 1 is the first structural representation of the present utility model；
Fig. 2 is the second structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail; but utility model of the present invention is not limited to these embodiments; any improvement on the present embodiment essence spirit or replacement, still fall within utility model right of the present invention and require scope required for protection.
Embodiment 1: as shown in Figure 1, air feed system in the long and large tunnel of a kind of many inclined shafts auxiliary construction, including tunnel 1, the one end in tunnel 1 is operation side 2, adjacent tunnel slope A3 and tunnel slope B4 it is provided with in described tunnel 1, being provided with high pressure air feed system and fresh air air supply system in described tunnel 1 and by operation side 2, the supply end at described high pressure air feed system and fresh air air supply system is provided with for isolating tunnel slope A3 and the air door 5 of tunnel slope B4 communicating passage.
Wherein, described high pressure air feed system includes high-pressure gas pipelines 6 and gases at high pressure equipment station 7, and one end of described high-pressure gas pipelines 6 is connected with described gases at high pressure equipment station 7, and the other end is connected with the high pressure equipment of operation side 2；Described fresh air air supply system includes air duct 8 and axial flow blower 9, and one end of described air duct 8 is towards operation side 2, and the other end is connected with axial flow blower 9, and described air door 5 is arranged on described gases at high pressure equipment station 7 and axial flow blower 9 end.
Further describing, above-mentioned high-pressure gas pipelines 6 and air duct 8 are yi word pattern, and described tunnel slope A3 is isolated by described air door 5 with gases at high pressure equipment station 7 and axial flow blower 9.
In the present embodiment, fresh wind is to flow automatically from inclined shaft B4 to inclined shaft A3, the reason forming gravity flow is the elevation difference at two inclined shaft holes, air pressure also has temperature different, the wind of the natural flow of two hole oneself formation, in major long tunnel work progress, this gravity flow wind available carries out fresh air needed for operation side offer gases at high pressure and workmen.
Embodiment 2: as in figure 2 it is shown, described high pressure air feed system includes high-pressure gas pipelines 6 and gases at high pressure equipment station 7, one end of described high-pressure gas pipelines 6 is connected with described gases at high pressure equipment station 7, and the other end is connected with the high pressure equipment of operation side 2；Described fresh air air supply system includes air duct 8 and axial flow blower 9, and one end of described air duct 8 is towards operation side 2, and the other end is connected with axial flow blower 9, and described air door 5 is arranged on described gases at high pressure equipment station 7 and axial flow blower 9 end；Described high-pressure gas pipelines 6 and air duct 8 are L-type, and described gases at high pressure equipment station 7 and axial flow blower 9 are arranged in described tunnel slope A3, and described air door 5 is positioned at the crossing of tunnel slope A3 and tunnel 1.
In order to accelerate the discharge of air pollution, in described tunnel slope A3 or tunnel slope B4, it is provided with jet blower 10.
In the present embodiment, fresh wind is to flow automatically from inclined shaft A3 to inclined shaft B4, the reason forming gravity flow is the elevation difference at two inclined shaft holes, air pressure also has temperature different, the wind of the natural flow of two hole oneself formation, in major long tunnel work progress, this gravity flow wind available carries out fresh air needed for operation side offer gases at high pressure and workmen.
In this utility model, no matter fresh wind flows from inclined shaft A3 to inclined shaft B4 or flows from inclined shaft B5 to inclined shaft A6, fresh wind is forced through air duct 8 and is sent to operation side by axial flow blower 9, fresh air is provided to operation side 2, then air pollution is extruded operation side 2, relies on jet blower 10 quickly to discharge outside hole in inclined shaft A3 or inclined shaft B4；It is then compressed by gases at high pressure equipment station 7 by fresh air by air compressor machine, then passes through gases at high pressure 6 pipeline and delivers to the high pressure equipment of operation side 2.
In this utility model, the setting of air door 5, it not totally enclosed, arranging it, to be primarily to the air quantity preventing taking out at high-pressure air feed equipment and axial flow blower too big, cause neighbouring pressure initiation negative pressure, face is returned the wind come and is drawn onto face to again, and for the wind speed of the wind that controls to flow automatically between tunnel slope A3 and tunnel slope A4 and air quantity.
Claims (5)
1. air feed system in the long and large tunnel of inclined shaft auxiliary construction more than a kind, including tunnel (1), the one end in tunnel (1) is operation side (2), adjacent tunnel slope A(3 it is provided with in described tunnel (1)) and tunnel slope B(4), it is characterized in that: being provided with high pressure air feed system and fresh air air supply system in described tunnel (1) and by operation side (2), the supply end at described high pressure air feed system and fresh air air supply system is provided with for isolating tunnel slope A(3) and tunnel slope B(4) air door (5) of communicating passage.
2. air feed system in the long and large tunnel of many inclined shafts auxiliary construction as claimed in claim 1, it is characterized in that: described high pressure air feed system includes high-pressure gas pipelines (6) and gases at high pressure equipment station (7), one end of described high-pressure gas pipelines (6) is connected with described gases at high pressure equipment station (7), and the other end is connected with the high pressure equipment of operation side (2)；Described fresh air air supply system includes air duct (8) and axial flow blower (9), one end of described air duct (8) is towards operation side (2), the other end is connected with axial flow blower (9), and described air door (5) is arranged on described gases at high pressure equipment station (7) and axial flow blower (9) end.
3. air feed system in the long and large tunnel of many inclined shafts auxiliary construction as claimed in claim 2, it is characterized in that: described high-pressure gas pipelines (6) and air duct (8) are yi word pattern, and described air door (5) is by described tunnel slope A(3) isolate with gases at high pressure equipment station (7) and axial flow blower (9).
4. air feed system in the long and large tunnel of many inclined shafts auxiliary construction as claimed in claim 2, it is characterized in that: described high-pressure gas pipelines (6) and air duct (8) are L-type, described gases at high pressure equipment station (7) and axial flow blower (9) are arranged in described tunnel slope A(3), described air door (5) is positioned at tunnel slope A(3) with the crossing in tunnel (1).
5. air feed system in the long and large tunnel of the many inclined shafts auxiliary construction as described in claim 3 or 4, is characterized in that: at described tunnel slope A(3) or tunnel slope B(4) in be provided with jet blower (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620057380.7U CN205349398U (en) | 2016-01-21 | 2016-01-21 | Air supply system in large and long tunnels hole of supplementary construction of many inclined shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620057380.7U CN205349398U (en) | 2016-01-21 | 2016-01-21 | Air supply system in large and long tunnels hole of supplementary construction of many inclined shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205349398U true CN205349398U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620057380.7U Expired - Fee Related CN205349398U (en) | 2016-01-21 | 2016-01-21 | Air supply system in large and long tunnels hole of supplementary construction of many inclined shafts |
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| CN (1) | CN205349398U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087012A (en) * | 2017-12-25 | 2018-05-29 | 中矿金业股份有限公司 | A kind of mine skip shaft outgoing airflow shuts off partition apparatus |
| CN108301859A (en) * | 2018-03-23 | 2018-07-20 | 西南交通大学 | A kind of Large Underground water seal cave depot group push-pull type construction ventilation method and its system |
| CN109139081A (en) * | 2018-09-20 | 2019-01-04 | 中铁局集团第五工程有限公司 | A kind of high methane Extra Long Tunnel Construction method of ventilation |
| US20210207481A1 (en) * | 2020-12-16 | 2021-07-08 | China Railway Beijing Engineering Group Co.,Ltd | Split air cabin ventilation system for construction of tunnel inclined shaft and ventilation method using same |
| CN115726829A (en) * | 2022-11-02 | 2023-03-03 | 中铁十八局集团有限公司 | Ventilation structure that branch tunnel wind regime moves inwards |
-
2016
- 2016-01-21 CN CN201620057380.7U patent/CN205349398U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087012A (en) * | 2017-12-25 | 2018-05-29 | 中矿金业股份有限公司 | A kind of mine skip shaft outgoing airflow shuts off partition apparatus |
| CN108301859A (en) * | 2018-03-23 | 2018-07-20 | 西南交通大学 | A kind of Large Underground water seal cave depot group push-pull type construction ventilation method and its system |
| CN109139081A (en) * | 2018-09-20 | 2019-01-04 | 中铁局集团第五工程有限公司 | A kind of high methane Extra Long Tunnel Construction method of ventilation |
| US20210207481A1 (en) * | 2020-12-16 | 2021-07-08 | China Railway Beijing Engineering Group Co.,Ltd | Split air cabin ventilation system for construction of tunnel inclined shaft and ventilation method using same |
| US11674392B2 (en) * | 2020-12-16 | 2023-06-13 | China Railway Beijing Engineering Group Co., Ltd | Split air cabin ventilation system for construction of tunnel inclined shaft and ventilation method using same |
| CN115726829A (en) * | 2022-11-02 | 2023-03-03 | 中铁十八局集团有限公司 | Ventilation structure that branch tunnel wind regime moves inwards |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161009 Address after: 300222 Hexi District Liulin East China Railway Bureau of the eighteen Tianjin Patentee after: CHINA RAILWAY 18 BUREAU GROUP Co.,Ltd. Patentee after: China Railway 18th Bureau Group Tunnel Engineering Co.,Ltd. Address before: Feng Qi Zhen Caijiaying road 400700 Chongqing city Beibei District No. 6 Patentee before: China Railway 18th Bureau Group Tunnel Engineering Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |