CN210422671U - Tunnel type aeration cooling system of high temperature area double-hole tunnel - Google Patents
Tunnel type aeration cooling system of high temperature area double-hole tunnel Download PDFInfo
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- CN210422671U CN210422671U CN201921023656.XU CN201921023656U CN210422671U CN 210422671 U CN210422671 U CN 210422671U CN 201921023656 U CN201921023656 U CN 201921023656U CN 210422671 U CN210422671 U CN 210422671U
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Abstract
The utility model provides a tunnel formula aeration cooling system in high temperature area double-hole tunnel, cold water is sent into the hole through the cold water pipe from the cold water storage cistern of tunnel entrance to a cave in, send into high-pressure atomizer after through high-pressure pump case pressurization, turn into cold water fog through high-pressure spray nozzle and spout formation cold wind in the hole air into, and cold wind is then sent to face operation district through air supply system among the tunnel formula ventilation unit, and the dirty wind in the tunnel is then outside exhaust tunnel by exhaust system. The utility model discloses a cold water mist cooling device in the tunnel turns into cold water fog with cold water and has effectively reduced the air temperature behind the air supply system in the tunnel, and the air supply system in the rethread tunnel formula ventilation unit sends cold wind to the face, and dirty wind is then by exhaust system exhaust tunnel, has realized the effective cooling to face operation district in the tunnel, provides convenient effective improvement for the aeration cooling in the guarantee high temperature area tunnel.
Description
Technical Field
The utility model belongs to the underground works field, concretely relates to tunnel formula aeration cooling system in high temperature area double-hole tunnel.
Background
The construction of the special tunnel in the high-temperature area is common, and the temperature outside the tunnel is high, so that more than 40 ℃ can be achieved in some places, and the high temperature not only causes troubles to operators outside the tunnel, but also influences the construction efficiency. And to the tunnel of growing up, the hole space is airtight, and the ventilation is difficult, and air quality is poor, and the wind that sends into in addition all is hot-blast, and mechanical equipment, the concrete generates heat, and these factors can lead to the hole in the operation environment poor, and the temperature is high, and the tunnel temperature often still is higher than the hole outward, not only brings the influence for workman health, influences mechanical equipment efficiency moreover, influences the safety and the progress of construction in the hole.
At present, to high temperature area tunnel cooling generally adopt to strengthen measures such as ventilation, set up the ice-cube, nevertheless often the effect is not good through strengthening the ventilation, and the wind itself temperature of sending into at the fan outside the hole is just very high, is difficult to play the cooling effect basically. Measures such as setting ice blocks are commonly used in high geothermal tunnels, ice making cost is high, special equipment and fields are needed, energy consumption is high, special people are needed to manage and transport the ice blocks, and construction environment in the tunnels is poor after the ice blocks are melted. Therefore, an effective, energy-saving and environment-friendly treatment method for reducing the temperature in the tunnel in a high-temperature area is not available all the time.
SUMMERY OF THE UTILITY MODEL
Convenient and fast, economic and effective rapid cooling to near air of the face, the utility model provides a tunnel type aeration cooling system of high temperature area double-hole tunnel.
The utility model discloses the technical scheme who adopts as follows:
a tunnel type aeration cooling system of a double-hole tunnel in a high-temperature area comprises a tunnel I, a tunnel II, a cold water spray cooling device and a tunnel type aeration device,
the first tunnel and the second tunnel are arranged in parallel, and the first tunnel is communicated with the second tunnel through a ventilation roadway;
the cold water spray cooling device consists of a cold water tank, a cold water pipe, a high-pressure pump tank and a high-pressure spray device, wherein one end of the cold water pipe is connected with the cold water tank, and the other end of the cold water pipe extends into the first tunnel and is connected with the high-pressure spray device through the high-pressure pump tank;
the roadway type ventilation device consists of an air supply system and an air exhaust system, wherein the air supply system comprises an air supply duct, an air feeder and an air supply pipe; the cold water spray cooling device and the air feeder are both arranged in a cooling area of the air supply duct, the flow guide direction of the air feeder is inward, and the air feeder respectively sends cold air of the air supply duct into the tunnel face operation areas in the two tunnel holes through the air supply pipe;
the exhaust system comprises a jet fan and an exhaust duct, the drainage direction of the jet fan is outward, the jet fan sends dirty air on the tunnel face in the air supply duct into the ventilation tunnel and the exhaust duct, and the dirty air is discharged out of the tunnel through the exhaust duct.
Furthermore, the high-pressure spraying device comprises a longitudinal cold water pipe, a circumferential cold water pipe and high-pressure spraying nozzles, wherein one end of the longitudinal cold water pipe is communicated with the cold water pipe through a high-pressure pump box, the other end of the longitudinal cold water pipe is communicated with one end of the circumferential cold water pipe, the other end of the circumferential cold water pipe is sealed, and a plurality of high-pressure spraying nozzles are arranged on each circumferential cold water pipe at intervals along the circumferential direction.
Furthermore, a plurality of annular cold water pipes are arranged in the tunnel at the inner cooling area at intervals along the longitudinal direction of the tunnel, the plurality of annular cold water pipes are arranged in parallel, and the water inlet of each annular cold water pipe is communicated with the longitudinal cold water pipe.
Further, the cold water tank is arranged at a certain height outside the tunnel, and the height of the cold water tank is larger than the height of the high-pressure pump tank.
Furthermore, a heat insulation layer is arranged outside the cold water tank and used for storing cold water.
Furthermore, the jet flow fans are arranged at two ends of the ventilation roadway, and the jet flow fans suck dirty air in the air supply duct into the ventilation roadway and discharge the dirty air and dirty air in the exhaust duct together.
Furthermore, a pressure air pipe is arranged on the side wall or the top of the first tunnel, one end of the pressure air pipe is connected with a fan outside the tunnel hole, and the other end of the pressure air pipe extends into the cooling area in the first tunnel and introduces fresh air pressure outside the tunnel hole into the air supply duct.
The utility model has the advantages as follows:
the utility model discloses a tunnel formula ventilation mode, on the basis of economic environmental protection, through cold water spray cooling, realized that the wind of sending into the face all is cold wind, can effectively reduce the temperature of face in the hole, reach the effect of guarantee cooling. The dirty air in the tunnel is completely exhausted out of the tunnel through the exhaust duct, so that fresh cold air is prevented from being polluted by the dirty air. The utility model has the advantages of simple structure, the practicality is strong, the facilitate promotion.
Drawings
The following will further explain the implementation method of the present invention with reference to the drawings.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a high-pressure spraying device.
Description of the reference numerals
1. The system comprises a cold water tank, 2, a cold water pipe, 3, a high-pressure pump tank, 4, a high-pressure spraying device, 5, an air feeder, 6, an air feeding pipe, 7, a jet fan, 8, an air pressing pipe, 9, a longitudinal cold water pipe, 10, a circumferential cold water pipe, 11, a water mist spray head, 12, an air feeding channel, 13, a ventilation roadway, 14 and an exhaust channel.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In addition, it is understood that the dictionary limits are commonly used
Certain terms should be interpreted as having a meaning that is consistent with their context in the relevant art and will not be interpreted in an idealized or overly formal sense.
Implementation mode one
As shown in fig. 1, a tunnel type aeration cooling system for a double-hole tunnel in a high-temperature area comprises a tunnel I, a tunnel II, a cold water spray cooling device and a tunnel type aeration device, wherein the tunnel I and the tunnel II are arranged in parallel, and the tunnel I is communicated with the tunnel II through an aeration tunnel 13; the cold water spray cooling device is composed of a cold water tank 1, a cold water pipe 2, a high-pressure pump tank 3 and a high-pressure spraying device 4, one end of the cold water pipe 2 is connected with the cold water tank 1, and the other end of the cold water pipe 2 extends into the first tunnel and is connected with the high-pressure spraying device 4 through the high-pressure pump tank 3.
The tunnel type ventilation device consists of an air supply system and an air exhaust system, wherein the air supply system comprises an air supply duct 12, an air feeder 5 and an air supply pipe 6; the cold water spray cooling device and the air blower 5 are both arranged in a cooling area of the air supply duct 12, the flow guiding direction of the air blower 5 is inward, and the air blower 5 respectively sends cold air of the air supply duct 12 to the working areas of the tunnel faces in the two tunnel holes through the air supply pipe 6; meanwhile, in order to ensure the air quality in the air supply duct 12, the air supply duct is generally only used for people going to work and leaving work and the like in construction, is not used as a material transportation channel, does not go to a diesel locomotive and the like, and material transportation and air exhaust on the tunnel face of the air supply duct enter through the exhaust duct 14 and the ventilation tunnel 13.
The exhaust system comprises a jet fan 7 and an exhaust duct 14, the drainage direction of the jet fan 7 is outward, the jet fan 7 sends dirty air on the tunnel face in the air supply duct 12 into the ventilation tunnel 13 and the exhaust duct 14, and the dirty air is exhausted out of the tunnel through the exhaust duct 14.
The utility model discloses a cold water is sent into the hole in through cold water pipe 2 from cold water storage cistern 1 of tunnel entrance to a cave, send into high-pressure atomizer 4 after 3 pressurizations of high-pressure pump case, turn into cold water fog through high-pressure spray nozzle and spout into the cold wind in the hole air, cold wind is then sent to face operation district through the air supply system among tunnel formula ventilation unit, dirty wind in the tunnel is then outside exhaust tunnel by exhaust system, realized the effective cooling to the tunnel face, economy is convenient, high operability, the tunnel formula ventilation of dual-cavity extra long tunnel has been combined simultaneously, provide convenient effective improvement for the aeration cooling in the guarantee tunnel.
Second embodiment
On the basis of the embodiment 1, as shown in fig. 2, the high-pressure spraying device 4 is composed of a longitudinal cold water pipe 9, a circumferential cold water pipe 10 and high-pressure spraying nozzles 11, one end of the longitudinal cold water pipe 9 is communicated with the cold water pipe 2 through a high-pressure pump tank 3, the other end of the longitudinal cold water pipe 9 is communicated with one end of the circumferential cold water pipe 10, the other end of the circumferential cold water pipe 10 is sealed, and a plurality of high-pressure spraying nozzles 11 are circumferentially arranged on each circumferential cold water pipe 10 at intervals and can atomize cold water. The annular cold water pipes 10 are fixed on the lining along the annular direction of the tunnel, and are arranged at intervals along the longitudinal direction of the cooling area of the tunnel, so that the cold air requirement of the cooling area is met.
The cold water tank 1 outside the tunnel hole conveys cold water into the tunnel hole through the cold water pipe 2, after the cold water is pressurized by the high-pressure pump tank 3, the cold water is conveyed to the high-pressure spray nozzle 11 through the longitudinal cold water pipe 9 and the annular cold water pipe 10 in sequence to form high-pressure cold water mist, and the high-pressure cold water mist is sprayed into air in the tunnel hole to reduce the temperature of the air and rock walls.
Third embodiment
On the basis of the above embodiment, further, the cold water tank 1 is arranged at a certain height outside the tunnel, the height of the cold water tank 1 is greater than the height of the high-pressure pump tank 3, and a heat insulation layer is arranged outside the cold water tank 1 and used for storing cold water.
The cold water pipe 2 is hung on the lining edge of the first tunnel and sends cold water of the cold water tank 1 into the hole.
Furthermore, the air compression pipe 8 is arranged on the side wall or the top of the first tunnel, one end of the air compression pipe 8 is connected with the fan outside the hole, and the other end of the air compression pipe 8 extends into the cooling area in the hole of the first tunnel and is used for introducing fresh air outside the hole into the air supply duct 12 to ensure the fresh air requirement of the cooling area.
Embodiment IV
On the basis of the above embodiment, further, the tunnel of the first tunnel is an air supply duct 12, and the tunnel of the second tunnel is an air exhaust duct 14, which is used as a discharge duct of the dirty air.
The jet fans 7 are arranged at two ends of the ventilation tunnel 13, dirty air in the air supply duct 12 can be sucked into the ventilation tunnel 13 and discharged together with dirty air in the exhaust duct 14, and the number and the positions of the jet fans 7 meet the requirement that dirty air behind the tunnel face in one tunnel is sucked into the ventilation tunnel 13, so that a spray cooling area is not polluted.
The ventilation tunnel 13 generally uses the communicating cross tunnel of the tunnel and the like as the ventilation tunnel in actual engineering according to the ventilation requirement, for example, the pedestrian and vehicle cross tunnels of the highway tunnel.
Claims (7)
1. The utility model provides a tunnel formula aeration cooling system in high temperature area double-hole tunnel which characterized in that: the tunnel type air conditioner comprises a tunnel I, a tunnel II, a cold water spray cooling device and a tunnel type ventilation device, wherein the tunnel I and the tunnel II are arranged in parallel, and the tunnel I is communicated with the tunnel II through a ventilation tunnel (13); the cold water spray cooling device consists of a cold water tank (1), a cold water pipe (2), a high-pressure pump tank (3) and a high-pressure spray device (4), wherein one end of the cold water pipe (2) is connected with the cold water tank (1), and the other end of the cold water pipe (2) extends into the first tunnel and is connected with the high-pressure spray device (4) through the high-pressure pump tank (3);
the roadway type ventilation device consists of an air supply system and an air exhaust system, wherein the air supply system comprises an air supply duct (12), an air feeder (5) and an air supply pipe (6); the cold water spray cooling device and the air feeder (5) are both arranged in a cooling area of the air supply duct (12), the flow guiding direction of the air feeder (5) is inward, and the air feeder (5) respectively sends cold air of the air supply duct (12) into the tunnel face operation areas in the two tunnel holes through the air supply pipe (6);
the exhaust system comprises a jet fan (7) and an exhaust duct (14), the drainage direction of the jet fan (7) is outward, the jet fan (7) sends dirty air on the tunnel face in the air supply duct (12) into the ventilation tunnel (13) and the exhaust duct (14), and the dirty air is discharged out of the tunnel through the exhaust duct (14).
2. The roadway type aeration and cooling system for the double-hole tunnel in the high-temperature area according to claim 1, characterized in that: high pressure atomizer (4) comprise vertical cold water pipe (9), hoop cold water pipe (10) and high pressure spray nozzle (11), the one end of vertical cold water pipe (9) is passed through high-pressure pump case (3) and is linked together with cold water pipe (2), and the other end of vertical cold water pipe (9) and the one end of hoop cold water pipe (10) communicate, and the other end of hoop cold water pipe (10) seals the setting, all has a plurality of high pressure spray nozzle (11) along the hoop interval arrangement on every hoop cold water pipe (10).
3. The roadway type aeration and cooling system for the double-hole tunnel in the high-temperature area according to claim 2, characterized in that: the annular cold water pipes (10) are arranged in the tunnel-inner cooling area at intervals along the longitudinal direction of the tunnel, the annular cold water pipes (10) are arranged in parallel, and the water inlet of each annular cold water pipe (10) is communicated with the longitudinal cold water pipe (9).
4. The roadway type aeration and cooling system for the double-hole tunnel in the high-temperature area according to claim 1, characterized in that: the cold water tank (1) is arranged at a certain height outside the tunnel, and the height of the cold water tank (1) is greater than the height of the high-pressure pump tank (3).
5. The roadway type aeration and cooling system for the double-hole tunnel in the high-temperature area according to claim 1, characterized in that: the heat-insulating layer is arranged outside the cold water tank (1) and used for storing cold water.
6. The roadway type aeration and cooling system for the double-hole tunnel in the high-temperature area according to claim 1, characterized in that: the jet flow fans (7) are arranged at two ends of the ventilation roadway (13), and the jet flow fans (7) pump dirty air in the air supply duct (12) into the ventilation roadway (13) and discharge the dirty air together with dirty air in the exhaust duct (14).
7. The roadway type aeration and cooling system for the double-hole tunnel in the high-temperature area according to claim 1, characterized in that: and a pressure air pipe (8) is arranged on the side wall or the top of the first tunnel, one end of the pressure air pipe (8) is connected with a fan outside the tunnel hole, and the other end of the pressure air pipe (8) extends into the cooling area inside the first tunnel and enters fresh air pressure outside the tunnel hole into the air supply duct (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023656.XU CN210422671U (en) | 2019-07-03 | 2019-07-03 | Tunnel type aeration cooling system of high temperature area double-hole tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023656.XU CN210422671U (en) | 2019-07-03 | 2019-07-03 | Tunnel type aeration cooling system of high temperature area double-hole tunnel |
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| CN210422671U true CN210422671U (en) | 2020-04-28 |
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| CN201921023656.XU Active CN210422671U (en) | 2019-07-03 | 2019-07-03 | Tunnel type aeration cooling system of high temperature area double-hole tunnel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396081A (en) * | 2020-04-29 | 2020-07-10 | 四川省交通勘察设计研究院有限公司 | High-temperature tunnel lining construction system and construction method |
| CN113389585A (en) * | 2021-05-17 | 2021-09-14 | 中交第二公路工程局有限公司 | Cooling system and method for air channel type ventilation of high geothermal tunnel |
| CN116357373A (en) * | 2023-04-28 | 2023-06-30 | 中铁四局集团有限公司 | Method for ventilating tunnel cross tunnel construction in high-altitude area |
-
2019
- 2019-07-03 CN CN201921023656.XU patent/CN210422671U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396081A (en) * | 2020-04-29 | 2020-07-10 | 四川省交通勘察设计研究院有限公司 | High-temperature tunnel lining construction system and construction method |
| CN113389585A (en) * | 2021-05-17 | 2021-09-14 | 中交第二公路工程局有限公司 | Cooling system and method for air channel type ventilation of high geothermal tunnel |
| CN116357373A (en) * | 2023-04-28 | 2023-06-30 | 中铁四局集团有限公司 | Method for ventilating tunnel cross tunnel construction in high-altitude area |
| CN116357373B (en) * | 2023-04-28 | 2024-08-20 | 中铁四局集团有限公司 | Method for ventilating tunnel cross tunnel construction in high-altitude area |
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