CN203717020U - Control system for high-altitude tunnel construction environment - Google Patents
Control system for high-altitude tunnel construction environment Download PDFInfo
- Publication number
- CN203717020U CN203717020U CN201420078665.XU CN201420078665U CN203717020U CN 203717020 U CN203717020 U CN 203717020U CN 201420078665 U CN201420078665 U CN 201420078665U CN 203717020 U CN203717020 U CN 203717020U
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- seamless steel
- steel pipe
- control system
- tunneling direction
- water pump
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Abstract
The utility model discloses a control system for high-altitude tunnel construction environment. The control system comprises an oxygen generator, a water pump, a seamless steel tube in the tunneling direction, and a plurality of seamless steel tubes with spray nozzles, wherein the oxygen generator and the water pump are arranged at a high-altitude tunnel entrance, the inlet of the water pump is connected with a reservoir, the outlets of the oxygen generator and the water pump are communicated with the inlet end of the seamless steel tube in the tunneling direction respectively, the outlet end of the seamless steel tube in the tunneling direction is communicated with the seamless steel tubes with the spray nozzles, a certain inclined angle a is formed between each seamless steel tubes with the spray nozzles and the seamless steel tube in the tunneling direction, and the inclined angle a is larger than 0 degree and smaller and equal to 90 degrees. The control system is used for improving the severe environment condition of tunnel construction in high-altitude areas, and providing a relatively good construction environment for workers in the tunnel; more specifically, the control system has the advantages that the dust concentration in the construction process can be reduced, enough oxygen can be provided for the workers in tunnel face and second lining working areas, so that the physical health of the workers can be guaranteed, the construction progress can be accelerated, and the construction efficiency can be improved.
Description
[technical field]
The utility model belongs to drilling and blasting method constructing tunnel field, is specifically related to a kind of high Elevation Tunnel construction environment control system.
[background technology]
High altitude localities rarefaction of air, oxygen deficiency, temperature is lower, and environment is severe, and execution conditions quality is the bottleneck of restriction Tunnel Construction Schedule.Current is high height above sea level extremely frigid zones method for tunnel construction immature, still construct according to the traditional drilling and blasting method in plains region, but high altitude localities rarefaction of air, partial pressure of oxygen is low, ambient conditions is originally just very poor, if do not adopted an effective measure, to make in hole environment more severe, dust and pernicious gas too high levels, oxygen content deficiency etc., this not only can restrict workman operating efficiency, threaten workman healthy, also can reduce the delivery efficiency of construction machinery, this has brought no small obstacle to high height above sea level tunnel in cold area construction.
Current high height above sea level tunnel in cold area construction accessory system imperfection, ancillary works measure is single, such as carrying out road surface watering and lowering dust in order to reduce dust concentration, reduce harmful gas concentration and strengthen construction ventilation etc., but effect is very unobvious, and there is no too large improvement for the present situation of oxygen content deficiency.
Existing high altitude localities constructing tunnel ancillary method can not solve severe this present situation of tunnel construction environment completely, and still high by on-the-spot test dust concentration, oxygen content deficiency in tunnel, workman's efficiency is low, internal combustion engine loss is large, and delivery efficiency is low, in addition, add forced ventilation and will cause temperature in tunnel to reduce, this is extremely unfavorable to high Elevation Tunnel winter construction.
[utility model content]
The purpose of this utility model is for deficiency of the prior art, a kind of high Elevation Tunnel construction environment control system is provided, it is for improving high altitude localities constructing tunnel severe environmental conditions, for staff in tunnel provides a construction environment relatively preferably, specifically, reduce dust concentration in work progress, supply with the oxygen of face and two lining workspace staff's abundances, ensure that workman is healthy, accelerating construction progress, improves construction rate.
For achieving the above object, the utility model adopts following technical scheme:
High Elevation Tunnel construction environment control system, comprise oxygenerator, water pump, the seamless steel pipe of tunneling direction and some seamless steel pipes with nozzle, wherein, oxygenerator and water pump are arranged on high Elevation Tunnel hole place, the entrance of water pump connects reservoir, oxygenerator and water delivery side of pump are connected with the arrival end of the seamless steel pipe of tunneling direction respectively, the port of export at the seamless steel pipe of tunneling direction is connected with some seamless steel pipes with nozzle, and the seamless steel pipe with nozzle and the seamless steel pipe of tunneling direction have certain angle a, wherein, 0 ° of < a≤90 °.
The utility model further improves and is, between the outlet of oxygenerator and the entrance of the seamless steel pipe of tunneling direction, is provided with flow valve.
The utility model further improves and is, between the entrance of the seamless steel pipe of water delivery side of pump and tunneling direction, is provided with flow valve.
The utility model further improves and is, oxygenerator and water delivery side of pump are connected with the seamless steel pipe of tunneling direction by three way cock.
The utility model further improves and is, oxygenerator and water pump are arranged on oxygenerator and pump house.
The utility model further improves and is, between the seamless steel pipe with nozzle and the seamless steel pipe of tunneling direction, is provided with flow valve.
The utility model further improves and is, is arranged on two lining workspace and face workspaces of high Elevation Tunnel with the seamless steel pipe of nozzle.
The utility model further improves and is, is connected with the hose that is used to constructor that oxygen is provided on the nozzle of the seamless steel pipe with nozzle.
The utility model further improves and is, the seamless steel pipe of tunneling direction is formed by connecting by the threaded seamless steel pipe of some joints.
The utility model further improves and is, some pulleys are arranged on the rail of high Elevation Tunnel, and the seamless steel pipe bottom of tunneling direction is arranged on some pulleys.
With respect to prior art, a kind of high Elevation Tunnel construction environment control system of the utility model, it can carry out watering and lowering dust or disperse oxygen supply to high Elevation Tunnel according to actual needs, specifically, watering and lowering dust or disperse oxygen supply are carried out in face workspace to high Elevation Tunnel and two lining workspaces, greatly improve the construction environment of high Elevation Tunnel, main feature is that water supply and oxygen supply are integrated, take up space less as far as possible and reduce the impact on construction, can also be according to on-the-spot actual needs, determine the selection of watering and lowering dust or disperse oxygen system, specific aim is stronger, save energy consumption, to solve emphatically the too high and oxygen－deficient present situation of dust concentration in constructing tunnel.
[brief description of the drawings]
Fig. 1 is the structural representation of facing of the high Elevation Tunnel construction environment of the utility model control system;
Fig. 2 is the plan structure schematic diagram of the high Elevation Tunnel construction environment of the utility model control system.
Wherein: 1 is high Elevation Tunnel hole; 2 is three way cock; 3 is oxygenerator and pump house; 4,5,8,13 and 14 is flow valve; 6 is nozzle; 7 is connecting tee; 9 is face; 10 is rail; 11 is pulley; 12 is the seamless steel pipe of tunneling direction; 15 is oxygenerator; 16 is water pump.
[detailed description of the invention]
In order further to explain the utility model, make the purpose of this utility model, technical scheme, advantage clearer and more definite, below in conjunction with accompanying drawing, its detailed usage is described.
Referring to Fig. 1 and Fig. 2, a kind of high Elevation Tunnel construction environment control system of the utility model, comprises seamless steel pipe 12 and some seamless steel pipes with nozzle 6 of oxygenerator 15, water pump 16, tunneling direction.
Wherein, oxygenerator 15 and water pump 16 are arranged in the oxygenerator and pump house 3 at 1 place, high Elevation Tunnel hole, the entrance of water pump 16 connects reservoir, the outlet of oxygenerator 15 and water pump 16 is connected with the arrival end of the seamless steel pipe 12 of tunneling direction respectively, the port of export at the seamless steel pipe 12 of tunneling direction is connected with some seamless steel pipes with nozzle 6, and be arranged on two lining workspace and face workspaces 9 of high Elevation Tunnel with the seamless steel pipe of nozzle 6, the seamless steel pipe 12 of itself and tunneling direction has certain angle a, wherein, 0 ° of < a≤90 °, in addition, the seamless steel pipe with nozzle 6 that is arranged on two lining workspaces of high Elevation Tunnel is connected with the seamless steel pipe 12 of tunneling direction by connecting tee 7, on nozzle 6, can also be connected with the hose that is used to constructor that oxygen is provided.
In addition, between the outlet of oxygenerator 15 and the entrance of the seamless steel pipe of tunneling direction 12, be provided with flow valve 13; Between the entrance of the outlet of water pump 16 and the seamless steel pipe of tunneling direction 12, be provided with flow valve 14; Between seamless steel pipe with nozzle 6 and the seamless steel pipe of tunneling direction 12, be provided with flow valve 5 and flow valve 8.The outlet of oxygenerator 15 and water pump 16 can also be connected with the seamless steel pipe 12 of tunneling direction by three way cock 2.
Some pulleys 11 are arranged on the rail 10 of high Elevation Tunnel, and seamless steel pipe 12 bottoms of tunneling direction are arranged on some pulleys 11, are convenient to move, and can be advanced at any time face 9 workspaces, with the construction of following up.
For the utility model is further understood, now its operating principle is done to an explanation.
Oxygenerator of the present utility model and pump house 3 are arranged near high Elevation Tunnel hole 1, and water pump 16 connects reservoir, suit measures to local conditions, not affect normal construction as principle.
First explanation operation oxygen system, being applicable to face 9 workspaces drills, vertical bow member, the more working procedure of staff in the tunnels such as face of building the road, to supply with oxygen sufficient in tunnel, flow valve 13 is opened completely, flow valve 14 cuts out completely, flow valve 4 is opened completely, oxygenerator 15 work produce oxygen, seamless steel pipe 12 by tunneling direction and some seamless steel pipes with nozzle 6 are transported to two lining workspaces and face 9 workspaces, carry out disperse oxygen supply by nozzle 6, ensure the required oxygen of staff in high Elevation Tunnel hole, flow valve 5 can regulate workspace, Er Chen district oxygen output quantity according to actual needs, flow valve 8 can regulate face 9 workspace oxygen output quantities, along with face 9 workspace excavations, system can be by the construction of following up at any time of pulley 11 and rail 10, meet the required oxygen of staff in tunnel.In addition, construction oxygen system two serves as a contrast the nozzle 6 extensible hoses of workspace and face 9 workspaces, for indivedual constructor's rest oxygen uptakes.
Secondly explanation dust falling system operation, dust falling system carries out spray sprinkler depositing dust mainly for two lining workspaces and face 9 workspaces, be applicable to whitewashing and go out the great working procedure of slag dust output, flow valve 13 cuts out completely, flow valve 14 is opened completely, flow valve 4 is opened completely, reservoir water pressurizes by water pump 16, and then by seamless steel pipe 12 and some seamless steel pipe arrival two lining workspace and face 9 workspaces with nozzle 6 of tunneling direction, carry out spray sprinkler, to reduce dust concentration, flow valve 5 can regulate two lining workspace spray amount sizes as required, flow valve 8 can regulate face 9 workspace spray amount sizes, its advantage is can be according to the size of Dust Capacity in the tunnel size of adjustable spraying amount at any time, strong adaptability, save energy consumption.
What the utility model adopted is the seamless steel pipe 12 of segmented threaded tunneling direction, can carry out as required spreading, be the rail 10 with pulley 11 below, can follow up according to practice of construction progress, long hose can overlap in nozzle 6 places, for workman's oxygen uptake.
In sum, the utility model water system and oxygen system adopt integral manifold, can select according to different working procedures in high Elevation Tunnel, and the advantage of doing is like this: save energy consumption, raise the efficiency, and it is little to take up room, and little to construction infection.
Claims (10)
1. high Elevation Tunnel construction environment control system, it is characterized in that, comprise oxygenerator (15), water pump (16), the seamless steel pipe (12) of tunneling direction and the seamless steel pipe of some band nozzles (6), wherein, oxygenerator (15) and water pump (16) are arranged on high Elevation Tunnel hole (1) and locate, the entrance of water pump (16) connects reservoir, the outlet of oxygenerator (15) and water pump (16) is connected with the arrival end of the seamless steel pipe (12) of tunneling direction respectively, the port of export at the seamless steel pipe (12) of tunneling direction is connected with the seamless steel pipe of some band nozzles (6), and the seamless steel pipe of band nozzle (6) and the seamless steel pipe (12) of tunneling direction have certain angle a, wherein, 0 ° of < a≤90 °.
2. high Elevation Tunnel construction environment control system according to claim 1, is characterized in that, between the entrance of the seamless steel pipe (12) of the outlet of oxygenerator (15) and tunneling direction, is provided with flow valve.
3. high Elevation Tunnel construction environment control system according to claim 1, is characterized in that, between the entrance of the seamless steel pipe (12) of the outlet of water pump (16) and tunneling direction, is provided with flow valve.
4. high Elevation Tunnel construction environment control system according to claim 1, is characterized in that, the outlet of oxygenerator (15) and water pump (16) is connected with the seamless steel pipe (12) of tunneling direction by three way cock (2).
5. high Elevation Tunnel construction environment control system according to claim 1, is characterized in that, oxygenerator (15) and water pump (16) are arranged on oxygenerator and pump house (3).
6. high Elevation Tunnel construction environment control system according to claim 1, is characterized in that, between the seamless steel pipe of band nozzle (6) and the seamless steel pipe (12) of tunneling direction, is provided with flow valve.
7. high Elevation Tunnel construction environment control system according to claim 1, is characterized in that, the seamless steel pipe of band nozzle (6) is arranged on two lining workspace and face workspace (9) of high Elevation Tunnel.
8. high Elevation Tunnel construction environment control system according to claim 1, is characterized in that, on the nozzle (6) of the seamless steel pipe of band nozzle (6), is connected with the hose that is used to constructor that oxygen is provided.
9. high Elevation Tunnel construction environment control system according to claim 1, is characterized in that, the seamless steel pipe (12) of tunneling direction is formed by connecting by the threaded seamless steel pipe of some joints.
10. according to the high Elevation Tunnel construction environment control system described in claim 1 or 9, it is characterized in that, some pulleys (11) are arranged on the rail (10) of high Elevation Tunnel, and seamless steel pipe (12) bottom of tunneling direction is arranged on some pulleys (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078665.XU CN203717020U (en) | 2014-02-24 | 2014-02-24 | Control system for high-altitude tunnel construction environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078665.XU CN203717020U (en) | 2014-02-24 | 2014-02-24 | Control system for high-altitude tunnel construction environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717020U true CN203717020U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420078665.XU Expired - Fee Related CN203717020U (en) | 2014-02-24 | 2014-02-24 | Control system for high-altitude tunnel construction environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717020U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533430A (en) * | 2015-01-05 | 2015-04-22 | 中国电建集团华东勘测设计研究院有限公司 | Breakage and slippage type rockburst risk relieving high-pressure water injection device and construction method of breakage and slippage type rockburst risk relieving high-pressure water injection device |
| CN111577364A (en) * | 2020-05-06 | 2020-08-25 | 中铁二院工程集团有限责任公司 | High-altitude tunnel step oxygen supply system and use method thereof |
| CN111700759A (en) * | 2020-06-24 | 2020-09-25 | 中南大学 | Oxygen enrichment device and method for high-altitude mine driving face |
| CN113058180A (en) * | 2021-03-23 | 2021-07-02 | 中国科学技术大学 | Staged fire extinguishing and rescuing system and method for high-altitude tunnel |
-
2014
- 2014-02-24 CN CN201420078665.XU patent/CN203717020U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533430A (en) * | 2015-01-05 | 2015-04-22 | 中国电建集团华东勘测设计研究院有限公司 | Breakage and slippage type rockburst risk relieving high-pressure water injection device and construction method of breakage and slippage type rockburst risk relieving high-pressure water injection device |
| CN111577364A (en) * | 2020-05-06 | 2020-08-25 | 中铁二院工程集团有限责任公司 | High-altitude tunnel step oxygen supply system and use method thereof |
| CN111700759A (en) * | 2020-06-24 | 2020-09-25 | 中南大学 | Oxygen enrichment device and method for high-altitude mine driving face |
| CN111700759B (en) * | 2020-06-24 | 2021-04-09 | 中南大学 | Oxygen enrichment device and method for high-altitude mine driving face |
| CN113058180A (en) * | 2021-03-23 | 2021-07-02 | 中国科学技术大学 | Staged fire extinguishing and rescuing system and method for high-altitude tunnel |
| CN113058180B (en) * | 2021-03-23 | 2021-10-22 | 中国科学技术大学 | Staged fire extinguishing and rescuing system and method for high-altitude tunnel |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20160224 |