CN212154833U - Tunnel face rapid cooling device - Google Patents
Tunnel face rapid cooling device Download PDFInfo
- Publication number
- CN212154833U CN212154833U CN202020695070.4U CN202020695070U CN212154833U CN 212154833 U CN212154833 U CN 212154833U CN 202020695070 U CN202020695070 U CN 202020695070U CN 212154833 U CN212154833 U CN 212154833U
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- air
- drawer
- tunnel
- cooling device
- air box
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- 238000001816 cooling Methods 0.000 title claims abstract description 16
- 238000005057 refrigeration Methods 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 3
- 235000011089 carbon dioxide Nutrition 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 240000001417 Vigna umbellata Species 0.000 description 1
- 235000011453 Vigna umbellata Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a tunnel face rapid cooling device, which comprises a refrigeration chamber and an axial flow fan, wherein the refrigeration chamber comprises an air box, the air box is provided with an air inlet and an air outlet, the air box is provided with a drawer, and the drawer is internally provided with a cold source; the inner wall of the air box is coated with a heat insulation layer, the air outlet of the air box is sequentially provided with a first rigid air cylinder and a first flexible air cylinder, and the air outlet of the flexible air cylinder is communicated with the air inlet of the axial flow fan. The utility model discloses simple process, it is with low costs, the process is easy to operate, and whole step implementation requires lowly, and the practicality is strong. The air temperature in the air box is reduced by melting and absorbing heat through the ice blocks, and the internal environment of the tunnel is cooled.
Description
Technical Field
The utility model relates to a tunnel construction safety protection equipment technical field especially relates to a tunnel face rapid cooling device.
Background
At present, with the rapid development of national economy, the infrastructure construction of China gradually deepens into a region with complex geological conditions. The high ground temperature and the abnormal region of the ground heat are complex geological environments which are frequently penetrated by the tunnel, are particularly concentrated in the Tibet, Yunnan, Xinjiang and other regions of China, and the tunnel palm is easily affected by the high ground heat in the construction process due to frequent underground heat activities and longer tunnel length, so that the field construction is influenced. For example, the red bean mountain tunnel in the great railway of Yunnan, the maximum buried depth is 1020 m, and the tunnel is in the water-heat activity zone of Fengqing-Lincang-Yun county, so that the temperature in the tunnel is as high as 40 ℃. However, in the railway construction prevention and control sections of China, the research of tunnel cooling technology is urgently needed.
In the current research, the working environment of the underground tunnel is considered to be relatively closed, and the high-temperature environment will have serious influence on the construction, so that cooling treatment measures need to be taken in the tunnel. At present, some measures such as placing a compressor, circulating cold water, placing an ice block for cooling and the like are also taken for solving the problem of high ground temperature of the tunnel, but the method has great limitation in practical use because dust in the tunnel is large and the space is limited, the space of the compressor is limited, the environment is poor and the compressor is easy to damage, and the ice block placed on the tunnel surface can only be locally cooled.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tunnel face rapid cooling device can effectively reduce tunnel face temperature fast, is particularly useful for needing interval series connection ventilation and the temperature reduction in the higher tunnel of temperature.
The utility model adopts the technical proposal that:
a tunnel face rapid cooling device comprises a refrigeration chamber and an axial flow fan, wherein the refrigeration chamber comprises an air box, the air box is provided with an air inlet and an air outlet, a drawer is arranged on the air box, and a cold source is arranged in the drawer; the inner wall of the air box is coated with a heat insulation layer, the air outlet of the air box is sequentially provided with a first rigid air cylinder and a first flexible air cylinder, and the air outlet of the flexible air cylinder is communicated with the air inlet of the axial flow fan.
The air inlet is sequentially connected with a second rigid air duct and a second flexible air duct.
The bellows in still be provided with drawer complex drawer support, the both sides of drawer are provided with the pulley, support up end is provided with the slide with pulley complex.
And an anticorrosive layer is also arranged in the drawer.
The cold source is ice or dry ice or a refrigerant.
The utility model discloses use novel simple process, it is with low costs, the process is easy to operate, whole step implementation requires lowly, and the practicality is strong. The air temperature in the air box is reduced by melting and absorbing heat through the ice blocks, and the internal environment of the tunnel is cooled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing the internal structure of the bellows according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 and 2, the utility model comprises a refrigeration chamber and an axial flow fan 8, wherein the refrigeration chamber comprises an air box 3, the air box 3 is provided with an air inlet and an air outlet, a drawer 6 is arranged on the air box 3, and a cold source is arranged in the drawer 6; the inner wall of the air box 3 is coated with a heat insulation layer 4, the air outlet of the air box 3 is sequentially provided with a first rigid air duct 2 and a first flexible air duct 1, the air outlet of the first flexible air duct 1 is communicated with the air inlet of an axial flow fan 8, and the axial flow fan 8 is fixed at a proper position through a fan support 9.
The air inlet is sequentially connected with a second rigid air duct 12 and a second flexible air duct 11 and used for selectively extracting air in a specific area when in use, so that the temperature of the area to be extracted can be reduced by a small range.
The air box 3 is also internally provided with a drawer support 7 matched with the drawer 6, pulleys 5 are arranged on two sides of the drawer 6, and a slide way matched with the pulleys is arranged on the upper end face of the drawer support 7. And an anticorrosive layer is also arranged in the drawer 6. The cold source is ice or dry ice or a refrigerant. The refrigeration source can be conveniently replaced through the cooperation, so that the sustainable cooling performance of the device is greatly enhanced.
The utility model discloses when specifically using, at first when the ventilation distance overlength or the higher ventilation mode that needs adopt the interval series connection of face temperature, set up bellows in tunnel suitable position, the hole is reserved to bellows both sides, and the hole diameter is unanimous with rigidity dryer diameter, and on air intake rigidity dryer one side was connected to the flexible dryer of one-level fan, air outlet rigidity dryer passed through flexible dryer transitional coupling to second grade fan. During the bellows preparation, can set up a insulating layer in bellows inboard, avoid the temperature influence air temperature in the bellows in the hole, set up a drawer in bellows inside, the drawer size is confirmed according to placing ice-cube quantity, and the drawer sets up pulley and guide rail and places with making things convenient for the ice-cube. After the ice blocks are placed, the ice blocks melt and absorb heat to cool air in the air box, and the cooled air flows through the air box.
After the air box is used for placing ice blocks to supply air, the time required by melting of the ice blocks is counted, and the ice blocks are supplemented at regular time. The utility model discloses a ventilation blower, flexible dryer, rigidity dryer, bellows, one of them flexible dryer and rigidity dryer are connected to the bellows, and then through rigidity dryer and flexible dryer be connected to the ventilation blower, set up the drawer on the bellows and place the ice-cube, the drawer comprises guide rail, pulley and drawer; after placing the ice-cube behind the drawer, the ice-cube melts the air temperature that absorbs the heat and reduces in the bellows, carries to tunnel face position through the fan, reduces and carries the air temperature, through the quick interior temperature that reduces target tunnel face of circulation of air, makes the refrigeration can realize concentrating the target area, the refrigerated waste of greatly reduced.
When the utility model is used, the drawer and the bellows are made of 2mm steel plates, and a layer of heat insulation material is laid on the inner side; the guide rail is made of 6.3/4 angle steel and a pulley with the diameter of 5 cm. The utility model discloses practical back, tunnel face temperature decline about 5 ℃.
The utility model discloses compare with traditional cooling measure, the utility model discloses there is following advantage: the cost is low; the equipment loss is small; the resources can be utilized to the maximum extent; and fourthly, the effect is obvious.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a tunnel face rapid cooling device which characterized in that: the refrigeration device comprises a refrigeration chamber and an axial flow fan, wherein the refrigeration chamber comprises an air box, the air box is provided with an air inlet and an air outlet, a drawer is arranged on the air box, and a cold source is arranged in the drawer; the inner wall of the air box is coated with a heat insulation layer, the air outlet of the air box is sequentially provided with a first rigid air cylinder and a first flexible air cylinder, and the air outlet of the flexible air cylinder is communicated with the air inlet of the axial flow fan.
2. The rapid cooling device for tunnel faces of claim 1, wherein: the air inlet is sequentially connected with a second rigid air duct and a second flexible air duct.
3. The rapid cooling device for tunnel faces of claim 2, wherein: the bellows in still be provided with drawer complex drawer support, the both sides of drawer are provided with the pulley, support up end is provided with the slide with pulley complex.
4. The rapid cooling device for tunnel faces of claim 3, wherein: and an anticorrosive layer is also arranged in the drawer.
5. The rapid cooling device for tunnel faces of claim 4, wherein: the cold source is ice or dry ice or a refrigerant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695070.4U CN212154833U (en) | 2020-04-30 | 2020-04-30 | Tunnel face rapid cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695070.4U CN212154833U (en) | 2020-04-30 | 2020-04-30 | Tunnel face rapid cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212154833U true CN212154833U (en) | 2020-12-15 |
Family
ID=73721272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020695070.4U Expired - Fee Related CN212154833U (en) | 2020-04-30 | 2020-04-30 | Tunnel face rapid cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212154833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464190A (en) * | 2021-07-02 | 2021-10-01 | 江苏徐工工程机械研究院有限公司 | Cooling device for high-ground-temperature geological tunnel |
-
2020
- 2020-04-30 CN CN202020695070.4U patent/CN212154833U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464190A (en) * | 2021-07-02 | 2021-10-01 | 江苏徐工工程机械研究院有限公司 | Cooling device for high-ground-temperature geological tunnel |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |