CN205277471U - High and cold construction ventilation of tunnel system in plateau - Google Patents
High and cold construction ventilation of tunnel system in plateau Download PDFInfo
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- CN205277471U CN205277471U CN201521046895.9U CN201521046895U CN205277471U CN 205277471 U CN205277471 U CN 205277471U CN 201521046895 U CN201521046895 U CN 201521046895U CN 205277471 U CN205277471 U CN 205277471U
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Abstract
The utility model relates to a construction equipment, in particular to high and cold construction ventilation of tunnel system in plateau. To the problem the that at present construction meets under the freeze injury in high and cold high height above sea level tunnel and the adverse circumstances that air there is thin, the utility model discloses a be applicable to the high and cold tunnel construction's in plateau ventilation system, this high and cold construction ventilation of tunnel system in plateau, including setting up in the tunnel or outer fan, the fan of this system is connected with the air pipeline, the vent of this air pipeline sets up in the tunnel, the length of this air pipeline is mated with the length in tunnel, this system still include with the oxygenation ventilation system that heats the device and be connected increase oxygen content and air pipeline in the tunnel construction. This high and cold construction ventilation of tunnel system in plateau simple structure, easily operation can heat the effect and install simultaneously on a ventilation system with system oxygen effect, and the construction unit reply different environment of being convenient for adjusts, facilitates under the abominable tunnel environment execution conditions such as high and cold of plateau for construction unit.
Description
Technical field
This utility model relates to constructing device, particularly to a kind of highland and severe cold Tunnel Construction Ventilation System.
Background technology
Along with the demand of the propelling of China " generation one tunnel " policy and national defence, tunnel construction is slowly toward western passage. Mountain valley, China's western region is in the majority and landform is various, complicated, such as the mountain terrain of Qinghai-xizang Plateau Region and High aititude, environment is cold and rarefaction of air. Safety measure just should be carried out in tunnel in such a case, is especially in the presence of under the adverse circumstances of freeze injury and rarefaction of air. How a kind of construction environment good, safety is provided to seem important in engineering circles on plateau and psychro-environment.
Current high altitudes and cold area constructing tunnel construction, major part construction enterprises be in work progress stronger ventilation dynamics or select construct autumn at spring and summer, so the limitations affect project progress to the duration, also brings economic loss.
Utility model content
For current high altitudes and cold constructing tunnel problem encountered, this utility model provides a kind of ventilating system suitable in highland and severe cold constructing tunnel.
The technical solution adopted in the utility model is, a kind of highland and severe cold Tunnel Construction Ventilation System, including the blower fan being arranged in or beyond tunnel, the blower fan of this system is connected to air pipeline, the vent of this air pipeline is arranged in tunnel, the length of this air pipeline is mated with the length in tunnel, this system also includes the heating combined equipment being connected with air pipeline and the oxygen supplement ventilating system that increase oxygen content in tunnel is connected with air pipeline, described oxygen supplement ventilating system includes interconnective oxygen generation system and oxygen system, described heating combined equipment includes air heater, the air heated transportation that blower fan is pushed by air heater is in tunnel.
At high altitudes and cold environment, oxygen supplement ventilating system and heat ventilating system and common ventilation machine starts simultaneously, air and the temperature of tunnel internal can be regulated, use suitable under highland and severe cold special environment condition, the temperature in tunnel and air is made to reach the needs of workmen, so that workmen can construct in highland and severe cold tunnel. Highland and severe cold Tunnel Construction Ventilation System economical rationality described in the utility model, oxygen preparation is flexible, and simple and reliable, the oxygen produced meets medical oxygen standard, it is not necessary to process further.
It is further, described oxygen generation system includes the compressor that air is compressed, the cooler that the air after compression is cooled down and the pressure swing adsorber oxygen in air and other gases being easily separated, this compressor, cooler are connected by pipeline with pressure swing adsorber, and this pressure swing adsorber is provided with the exhaustor discharged by other gas described in air and the breather that oxygen passes into air pipeline.
After air is compressed by this oxygen generation system, after subcooler cools down, by pressure swing adsorber, isolated oxygen enters air pipeline by breather, with the vent of the air flow direction air pipeline of blower fan output. So oxygen generation system is connected with air pipeline, it is possible to avoid arranging the unnecessary pipeline being ejected into by oxygen in tunnel, reduce cost. Other oxygen generation systems, such as Deep Cooling Method, water electrolysis method etc., this oxygen generation system failure rate is low, it is easy to maintenance, flexible operation simple to operate, is well suited for frigid plateau region.
Further, described oxygen supplement ventilating system also includes filter, and this filter is connected with oxygen generation system, and this filter is arranged at the air inlet of oxygen supplement ventilating system, and this air inlet is near tunnel face.
Arranging filter is in order to avoid the impurity in air being entered oxygen supplement ventilating system, affecting the operation of oxygen supplement ventilating system, it is ensured that the cleannes of the oxygen prepared.
Further, the pipeline between described cooler and pressure swing adsorber is provided with valve.
Here arranging valve is the air mass flow in order to control, regulate cooling, and valve here can adopt pneumatic type angle valve or other valves.
Further, described cooler is water cooling tube cooler.
Here the water of water cooling tube derives from outside system, as there being natural water source around tunnel, just may utilize, and extracts natural water source.
Further, described oxygen system includes the oxygen container of store oxygen, and this oxygen container is connected with air pipeline by ventilation channel, and described ventilation channel is provided with the air relief valve regulating pipeline inner pressure and the effusion meter of monitoring oxygen flow.
Oxygen container is set, the oxygen storage that will produce, according to demand in constructing tunnel, scalable air relief valve, regulate the pressure in oxygen system so that oxygen is normally discharged, effusion meter is for measuring the flow of oxygen.
Further, described heating combined equipment also includes heating blower, and heating blower is connected with air heater, and is connected with air pipeline by pipeline.
Heating combined equipment increases heating blower, by heating blower, the hot-air that hot device heats is pushed in ventilation duct by air. After air heater is connected with blower fan or heating blower, air-flow is heated, air themperature can be heated to more than 50 DEG C.
Further, described air heater is arranged on air pipeline.
Certainly, in order to save cost and simple in construction, it is possible to be set directly on air pipeline by heating combined equipment, heating combined equipment is simplified.
Further, described air pipeline vent is arranged on tunnel surrounding wall, and towards chapelet face, tunnel.
Chapelet face is operating position, workmen place, vent is disposed in proximity to the position in chapelet face, the oxygen concentration of the best just can be provided for workmen, and air pipeline is arranged on tunnel surrounding wall, is more smoothly in order to what allow the air-flow discharged from air pipeline vent circulate in tunnel.
Further, described blower fan, heating combined equipment and oxygen supplement ventilating system or blower fan, oxygen supplement ventilating system and heating combined equipment are sequentially connected in series from front to back.
Blower fan, heating combined equipment and refrigeration system are connected in series is so to facilitate control, regulating ventilation temperature.
The beneficial effects of the utility model are:
This highland and severe cold Tunnel Construction Ventilation System simple in construction, easily operated, can heating effect and oxygen effect be simultaneously attached in a ventilating system, it is simple to unit in charge of construction's reply varying environment is adjusted, and provides facility for unit in charge of construction under the severe tunnel environment execution conditions such as highland and severe cold.
Accompanying drawing explanation
Fig. 1 is the highland and severe cold Tunnel Construction Ventilation System schematic diagram described in embodiment one;
Fig. 2 is the highland and severe cold Tunnel Construction Ventilation System schematic diagram described in embodiment two;
Fig. 3 is the structural representation of oxygen supplement ventilating system;
Fig. 4 is the schematic diagram of the heating combined equipment of embodiment one;
Fig. 5 is the schematic diagram of the heating combined equipment of embodiment two;
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is specifically described.
Embodiment one: such as Fig. 1, 3 and 4, a kind of highland and severe cold Tunnel Construction Ventilation System, including the blower fan 1 being arranged in or beyond tunnel, the blower fan 1 of this system is connected to air pipeline 2, the vent 201 of this air pipeline 2 is arranged in tunnel, the length of this air pipeline 2 is mated with the length in tunnel, described air pipeline 2 vent 201 is arranged on tunnel surrounding wall 3, and towards chapelet face, tunnel 9, this works also for making workmen under good oxygen concentration, and air pipeline 2 is disposed in proximity to tunnel surrounding wall place, it is more smoothly in order to what allow the air-flow discharged from air pipeline vent circulate in tunnel, this system also includes the heating combined equipment 4 being connected with air pipeline 2 and the oxygen supplement ventilating system 5 that increase oxygen content in tunnel is connected with air pipeline 2, blower fan 1, heating combined equipment 4 and oxygen supplement ventilating system 5 are sequentially connected in series from front to back. described oxygen supplement ventilating system 5 includes interconnective oxygen generation system and oxygen system.
Described oxygen generation system includes the compressor 501 that air is compressed, the cooler 502 that the air after compression is cooled down and the pressure swing adsorber 503 oxygen in air and other gases being easily separated. This compressor 501, cooler 502 are connected by pipeline with pressure swing adsorber 503, pipeline between described cooler 502 and pressure swing adsorber 503 is provided with valve 6, here valve can be pneumatic type angle valve, and cooler 502 here is water cooling tube cooler. Here the water of water cooling tube can come from outside system, as there being natural water source around tunnel, just may utilize, and extracts natural water source. On this pressure swing adsorber, 503 are provided with the exhaustor 5031 discharged by other gas described in air and the breather 5032 that oxygen passes into air pipeline 2, here other gases are mainly nitrogen, oxygen supplement ventilating system 5 (exhaustor can be extended to tunnel face, described gas gas is discharged tunnel) is discharged by exhaustor 5031.
Described oxygen supplement ventilating system 5 also includes filter 504, this filter 504 is connected with oxygen generation system, this filter 504 is arranged at the air inlet of oxygen supplement ventilating system 5, this air inlet is near tunnel face, and arranging filter is to ensure that oxygen generation system is prepared the oxygen of cleaning under the environment not having impurity and ensures the service life that oxygen generation system is properly functioning, increase oxygen generation system.
Described oxygen system includes the oxygen container 505 of the oxygen storage produced by oxygen generation system, and this oxygen container 505 is connected with air pipeline 2 by ventilation channel 5051.
The pressure differential that the air of tunnel face produces because of compressor 501, oxygen supplement ventilating system 5 can be inhaled into, the undesired impurities (solid particle or unwanted chemical compositions) in air is filtered out through filter 504, air enters after cooler 502 cools down after being compressed and enters pressure swing adsorber 503, after isolating oxygen, the excessive gas such as nitrogen are discharged oxygen generation system by exhaustor 5031, oxygen enters oxygen container 505 by breather 5032, the ventilation channel 5051 of oxygen container 505 is provided with air relief valve 7 and effusion meter 8, according to demand in constructing tunnel, scalable air relief valve 7 is adjusted pressure, oxygen is normally discharged, effusion meter 8 is for measuring the flow of oxygen.
Described heating combined equipment 4 includes air heater 401 He, and heating blower 402 is connected with air heater 401, and is connected with air pipeline 2 by pipeline. The air heated transportation that heating blower 402 is pushed by air heater 401 is in air pipeline, and the hot-air that heating blower 402 pushes is pushed in tunnel by blower fan 1 again.
Highland and severe cold Tunnel Construction Ventilation System described in the present embodiment, simple in construction, easily operated, can heating effect and oxygen effect be simultaneously attached in a ventilating system, it is easy to unit in charge of construction's reply varying environment be adjusted, under the severe tunnel environment execution conditions such as highland and severe cold, provides facility for unit in charge of construction.
Embodiment two: as Fig. 2,3 and 5, with not being both of embodiment one, the air heater 401 of described heating combined equipment 4 is arranged on described air pipeline 2, directly heats air-flow produced by blower fan 1.
Claims (10)
1. a highland and severe cold Tunnel Construction Ventilation System, including the blower fan (1) being arranged in or beyond tunnel, it is characterized in that, the blower fan (1) of this system is connected to air pipeline (2), the vent (201) of this air pipeline (2) is arranged in tunnel, the length of this air pipeline (2) is mated with the length in tunnel, this system also includes the heating combined equipment (4) being connected with air pipeline (2) and the oxygen supplement ventilating system (5) that increase oxygen content in tunnel is connected with air pipeline (2), described oxygen supplement ventilating system (5) includes interconnective oxygen generation system and oxygen system, described heating combined equipment (4) includes air heater (401), the air heated transportation that blower fan (1) is pushed by air heater (401) is in tunnel.
2. a kind of highland and severe cold Tunnel Construction Ventilation System according to claim 1, it is characterized in that, described oxygen generation system includes the compressor (501) that air is compressed, the cooler (502) that air after compression is cooled down and the pressure swing adsorber (503) that the oxygen in air and other gases are easily separated, this compressor (501), cooler (502) is connected by pipeline with pressure swing adsorber (503), this pressure swing adsorber (503) is provided with the exhaustor discharged by other gas described in air and the breather (5032) that oxygen passes into air pipeline (2).
3. a kind of highland and severe cold Tunnel Construction Ventilation System according to claim 2, it is characterized in that, described oxygen supplement ventilating system (5) also includes filter (504), this filter (504) is connected with oxygen generation system, this filter (504) is arranged at the air inlet of oxygen supplement ventilating system, and this air inlet is near tunnel face.
4. a kind of highland and severe cold Tunnel Construction Ventilation System according to claim 2, it is characterised in that be provided with valve (6) on the pipeline between described cooler (502) and pressure swing adsorber (503).
5. a kind of highland and severe cold Tunnel Construction Ventilation System according to claim 2, it is characterised in that described cooler (502) is water cooling tube cooler.
6. a kind of highland and severe cold Tunnel Construction Ventilation System according to claim 1, it is characterized in that, described oxygen system includes the oxygen container (505) of store oxygen, this oxygen container (505) is connected with air pipeline (2) by ventilation channel (5051), and described ventilation channel (5051) is provided with the air relief valve (7) regulating pipeline inner pressure and the effusion meter (8) of monitoring oxygen flow.
7. a kind of highland and severe cold Tunnel Construction Ventilation System according to claim 1, it is characterized in that, described heating combined equipment (4) also includes heating blower (402), heating blower (402) is connected with air heater (401), and is connected with air pipeline (2) by pipeline.
8. a kind of highland and severe cold Tunnel Construction Ventilation System according to claim 1, it is characterised in that described air heater (401) is arranged on air pipeline (2).
9. a kind of highland and severe cold Tunnel Construction Ventilation System according to claim 1, it is characterized in that, described air pipeline (2) vent (201) is arranged on tunnel surrounding wall (3), and towards chapelet face, tunnel (9).
10. a kind of highland and severe cold Tunnel Construction Ventilation System according to claim 1, it is characterized in that, described blower fan (1), heating combined equipment (4) and oxygen supplement ventilating system or blower fan (1), oxygen supplement ventilating system and heating combined equipment (4) are sequentially connected in series from front to back.
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CN201521046895.9U CN205277471U (en) | 2015-12-15 | 2015-12-15 | High and cold construction ventilation of tunnel system in plateau |
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CN201521046895.9U CN205277471U (en) | 2015-12-15 | 2015-12-15 | High and cold construction ventilation of tunnel system in plateau |
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CN201521046895.9U Expired - Fee Related CN205277471U (en) | 2015-12-15 | 2015-12-15 | High and cold construction ventilation of tunnel system in plateau |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106121706A (en) * | 2016-08-08 | 2016-11-16 | 中车建设工程有限公司 | Ventilation and dust removal integrated system for medium-length tunnel |
CN107605524A (en) * | 2017-10-12 | 2018-01-19 | 山西省安瑞风机电气股份有限公司 | Mobile constant-temperature controls intelligent local ventilation system |
CN109989780A (en) * | 2019-05-07 | 2019-07-09 | 中铁工程装备集团有限公司 | A kind of plateau tunnel ventilation pressurizing device |
CN110966031A (en) * | 2019-10-21 | 2020-04-07 | 万泰(苏州)环境科技有限公司 | Intelligent air management system and intelligent air treatment system for underground engineering |
CN110966035A (en) * | 2019-12-30 | 2020-04-07 | 中国铁建重工集团股份有限公司 | Movable tunnel local ventilation refrigeration equipment |
CN113446044A (en) * | 2021-07-06 | 2021-09-28 | 西南交通大学 | Ventilation self-adsorption oxygen generation automatic inflation air bag supercharging cabin full-tunnel oxygen supply device |
-
2015
- 2015-12-15 CN CN201521046895.9U patent/CN205277471U/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106121706A (en) * | 2016-08-08 | 2016-11-16 | 中车建设工程有限公司 | Ventilation and dust removal integrated system for medium-length tunnel |
CN106121706B (en) * | 2016-08-08 | 2018-09-18 | 中车建设工程有限公司 | Ventilation and dust removal integrated system for medium-length tunnel |
CN107605524A (en) * | 2017-10-12 | 2018-01-19 | 山西省安瑞风机电气股份有限公司 | Mobile constant-temperature controls intelligent local ventilation system |
CN107605524B (en) * | 2017-10-12 | 2024-02-02 | 山西省安瑞风机电气股份有限公司 | Movable type constant temperature control intelligent local ventilation system |
CN109989780A (en) * | 2019-05-07 | 2019-07-09 | 中铁工程装备集团有限公司 | A kind of plateau tunnel ventilation pressurizing device |
CN109989780B (en) * | 2019-05-07 | 2024-04-19 | 中铁工程装备集团有限公司 | Plateau tunnel ventilation pressurizing device |
CN110966031A (en) * | 2019-10-21 | 2020-04-07 | 万泰(苏州)环境科技有限公司 | Intelligent air management system and intelligent air treatment system for underground engineering |
CN110966035A (en) * | 2019-12-30 | 2020-04-07 | 中国铁建重工集团股份有限公司 | Movable tunnel local ventilation refrigeration equipment |
CN113446044A (en) * | 2021-07-06 | 2021-09-28 | 西南交通大学 | Ventilation self-adsorption oxygen generation automatic inflation air bag supercharging cabin full-tunnel oxygen supply device |
CN113446044B (en) * | 2021-07-06 | 2022-05-10 | 西南交通大学 | Ventilation self-adsorption oxygen generation automatic-inflation air bag supercharging bin full-tunnel oxygen supply device |
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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: 20160601 Termination date: 20191215 |