CN109098747A - Aeration structure is isolated in narrow tunnel - Google Patents
Aeration structure is isolated in narrow tunnel Download PDFInfo
- Publication number
- CN109098747A CN109098747A CN201811189295.6A CN201811189295A CN109098747A CN 109098747 A CN109098747 A CN 109098747A CN 201811189295 A CN201811189295 A CN 201811189295A CN 109098747 A CN109098747 A CN 109098747A
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- China
- Prior art keywords
- isolation
- narrow
- air duct
- steel plate
- aeration structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005273 aeration Methods 0.000 title claims abstract description 39
- 238000002955 isolation Methods 0.000 claims abstract description 95
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 69
- 239000010959 steel Substances 0.000 claims abstract description 69
- 238000009423 ventilation Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 244000261422 Lysimachia clethroides Species 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ventilation (AREA)
Abstract
The present invention provides a kind of narrow tunnel isolation aeration structure.The narrow tunnel isolation aeration structure includes narrow and isolation air duct, the isolation air duct is set to the narrow relatively above, the isolation air duct connects solid band steel and jet blower including isolation steel plate, crossbeam, longitudinal direction, the crossbeam is set to the isolation steel plate opposing floor portion, the isolation steel plate number is multiple, multiple isolation steel plates are set side by side, and the affixed band steel in longitudinal direction is set between the isolation steel plate, and the jet blower is set to the isolation air duct.A kind of narrow tunnel isolation aeration structure provided by the invention is using isolation method of ventilation, under the limitation of narrow tunnel clearance and construction traffic and transport minimum space, can make to enter the wind section maximization, meet the air feed needs of multiple working faces in hole.
Description
Technical field
The invention belongs to construction engineering fields more particularly to a kind of narrow tunnel, and aeration structure is isolated.
Background technique
With the development of existing tunnel technology, Tunnel Design length is increasingly longer, more cavity parallel tunnels are increasingly common, and
It is all made of the design measure for increasing service gallery, makes the long tunnel hand-to-hand fight in tights in tunnel.But narrow as service gallery is using ventilation
Pipe is directly from hole extroversion face air feed, and there are many deficiencies: 1, it by narrow tunnel clearance and construction traffic and transport is influenced,
The volume of air supply size that more ventilation ducts individually control different operating face cannot be installed.2, in narrow tunnel, installation ventilation
Pipe cannot effectively utilize space, cannot make to enter the wind section maximization.3, ventilation duct later maintenance in narrow tunnel, easily
Construction traffic and transport is impacted, to influence in-cavity construction.
Summary of the invention
To solve, existing narrow uses draft tube aeration there are volume of air supply deficiency, space utilization rate is not high, air inlet is disconnected
Face is small, the technical issues of needing later maintenance and influencing in-cavity construction, the present invention provide a kind of volume of air supply foot, space utilization rate it is high,
Air inlet section it is not small, without later maintenance and do not influence in-cavity construction narrow tunnel isolation aeration structure.
Isolation aeration structure in narrow tunnel provided by the invention includes narrow and isolation air duct, the isolation wind
Road is set to the narrow relatively above, and the isolation air duct connects solid band steel and jet stream wind including isolation steel plate, crossbeam, longitudinal direction
Machine, the crossbeam be set to the isolation steel plate opposing floor portion, the isolation steel plate number be it is multiple, multiple isolation steel plates are simultaneously
Column setting, the affixed band steel in longitudinal direction are set between the isolation steel plate, and the jet blower is set to the isolation air duct.
In a kind of narrow tunnel provided by the invention isolation preferred embodiment of aeration structure, the isolation air duct is set
Relatively above in 4.5 meters of positions of the narrow tunnel floor.
In a kind of narrow tunnel provided by the invention isolation preferred embodiment of aeration structure, the crossbeam is I-shaped
Gooseneck, the isolation steel plate and crossbeam contact position firm welding, the narrow includes first branch steelframe, the just branch
Steelframe is set to the narrow, and the crossbeam both ends welding is set to the just branch steelframe, and the affixed band steel in longitudinal direction is set to phase
Between the adjacent isolation steel plate, and welded seal between steel plate is isolated with described in the affixed band steel in the longitudinal direction.
In a kind of narrow tunnel provided by the invention isolation preferred embodiment of aeration structure, the isolation air duct is also
Including equal leg angle, the equal leg angle is set between the nearly just isolation steel plate of branch steelframe and the just branch steelframe,
The isolation steel plate is fixed by the equal leg angle and the just branch steelframe.
In a kind of narrow tunnel provided by the invention isolation preferred embodiment of aeration structure, the isolation air duct is also
Including fastening bolt and net spray concrete, fixed between the isolation steel plate and the crossbeam by the fastening bolt, the isolation
Concrete sealing is sprayed by the net between steel plate and the just branch steelframe.
In a kind of narrow tunnel provided by the invention isolation preferred embodiment of aeration structure, the isolation air duct is also
Including extension air duct outside hole, extension air duct is extended to outside the narrow hole outside the hole, and extension air duct is loudspeaker outside the hole
Shape, extension air duct two sides and top are color steel plate sealing structure outside the hole.
In a kind of narrow tunnel provided by the invention isolation preferred embodiment of aeration structure, the narrow tunnel
Road isolation aeration structure further includes main tunnel intersection, bellows and fan mechanism, and the bellows are set to the main tunnel intersection, and with
The isolation air duct connection, the fan mechanism are set to the bellows end.
In a kind of narrow tunnel provided by the invention isolation preferred embodiment of aeration structure, the bellows are set to institute
It states at 4.5 meters of main tunnel intersection rail top.
In a kind of narrow tunnel provided by the invention isolation preferred embodiment of aeration structure, the bellows include wind
Bottom plate, bellows side plate and I-shaped reinforce steel, and airtight connection between the bellows bottom plate and the bellows side plate forms the wind
Box main body structure, the I-shaped reinforce steel and are set to the bellows with respect to lower section laterally setting, are set to the bellows with respect to lower section cross
Reinforce steel both ends to the I-shaped of setting and is fixed by bolts in main tunnel lining cutting.
In a kind of narrow tunnel provided by the invention isolation preferred embodiment of aeration structure, the fan mechanism packet
Blower, ventilation duct and flange beam stand are included, for the blower by ventilation duct to the independent air feed of face, the blower is set to I-shaped
Steel bracket.
Narrow tunnel isolation aeration structure of the invention has the following beneficial effects:
Narrow tunnel is using isolation method of ventilation, in narrow tunnel clearance and construction traffic and transport minimum space
Limitation under, can make enter the wind section maximize, meet the air feed needs of multiple working faces in hole；Each working face can install independence
Blower can be adjusted the volume of air supply in each autonomous working face；Later maintenance is simple, does not influence in-cavity construction communications and transportation, not shadow
Ring construction.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the structural schematic diagram of isolation one preferred embodiment of aeration structure in narrow tunnel provided by the invention；
Fig. 2 is that the narrow of isolation aeration structure in narrow tunnel shown in FIG. 1 and isolation air duct one are preferably implemented
The structural schematic diagram of example；
Fig. 3 is the structural representation of one preferred embodiment of bellows of isolation aeration structure in narrow tunnel shown in FIG. 1
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Also referring to Fig. 1 to Fig. 3, wherein Fig. 1 be narrow tunnel isolation aeration structure one provided by the invention compared with
The structural schematic diagram of good embodiment；Fig. 2 is the narrow and isolation wind of isolation aeration structure in narrow tunnel shown in FIG. 1
The structural schematic diagram of one preferred embodiment of road；Fig. 3 be narrow tunnel shown in FIG. 1 isolation aeration structure bellows one compared with
The structural schematic diagram of good embodiment.
Narrow tunnel isolation aeration structure 1 include narrow 11, isolation air duct 12, main tunnel intersection 13,
Bellows 14 and fan mechanism 15.The isolation air duct 12 is set to the narrow 11 relatively above, and the bellows 14 are set to institute
Main tunnel intersection 13 is stated, and is connected to the air duct 12 that is isolated, the fan mechanism 15 is set to 14 end of bellows.
The isolation air duct 12 is set to 11 tunnel floor of narrow, 4.5 meters of positions relatively above.
The isolation air duct 12 include isolation steel plate 121, crossbeam 122, it is longitudinal connect solid band steel 123, jet blower 124, etc.
Extension air duct (being not marked in figure) outside corner angle 125 and fastening bolt 126, net spray concrete 127 and hole.The crossbeam 122 is set to institute
State isolation 121 opposing floor portion of steel plate, 121 quantity of isolation steel plate be it is multiple, multiple isolation steel plates 121 are set side by side,
The affixed band steel 123 in longitudinal direction is set between the isolation steel plate 121, and the jet blower 124 is set to the isolation air duct 12.
The crossbeam 122 is I-shaped gooseneck, the isolation steel plate 12 and the 122 contact position firm welding of crossbeam.
The narrow 11 includes first branch steelframe 111.The just branch steelframe 111 is set to the narrow 11.It is described
The welding of 122 both ends of crossbeam is set to the just branch steelframe 111.The affixed band steel 123 in longitudinal direction is set to the adjacent isolation steel plate
Between 121, and welded seal between steel plate 121 is isolated with described in the affixed band steel 123 in the longitudinal direction.The equal leg angle 125 is set
Between the nearly just isolation steel plate 121 of branch steelframe 111 and the just branch steelframe 111, the isolation steel plate 121 passes through
The equal leg angle 125 and the just branch steelframe 111 are fixed.
It is fixed by the fastening bolt 126 between the isolation steel plate 121 and the crossbeam 122, the isolation steel plate
Concrete 127 is sprayed by the net between 121 and the just branch steelframe 111 to seal.
Extension air duct (being not marked in figure) extends to outside 11 hole of narrow outside the hole, extension air duct outside the hole
(being not marked in figure) be it is horn-like, two sides and top (is not marked in figure) as color steel plate sealing structure in extension air duct in the hole outside.
The bellows 14 are set at 4.5 meters of the 13 rail top of main tunnel intersection.
The bellows 141 include that bellows bottom plate 141, bellows side plate 142 and I-shaped reinforce steel 143.The bellows bottom plate 141
And airtight connection between the bellows side plate 142,141 main structure of bellows is formed, the I-shaped reinforces steel 143 and is set to institute
It states bellows 141 and is laterally arranged with respect to lower section, the I-shaped being laterally arranged set on the opposite lower section of the bellows 141 reinforces steel 143
Both ends are fixed by bolts in main tunnel lining cutting.
The fan mechanism 15 includes blower 151, ventilation duct (being not marked in figure) and flange beam stand (being not marked in figure).
For the blower 151 by ventilation duct (being not marked in figure) to the independent air feed of face, the blower 151 is set to flange beam stand
(being not marked in figure).
Narrow tunnel isolation aeration structure 1 of the invention has the following beneficial effects:
Narrow tunnel is using isolation method of ventilation, in narrow tunnel clearance and construction traffic and transport minimum space
Limitation under, can make enter the wind section maximize, meet the air feed needs of multiple working faces in hole；Each working face can install independence
Blower can be adjusted the volume of air supply in each autonomous working face；Later maintenance is simple, does not influence in-cavity construction communications and transportation, not shadow
Ring construction.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. aeration structure is isolated in a kind of narrow tunnel, which is characterized in that including narrow and isolation air duct, the isolation
Air duct is set to the narrow relatively above, and the isolation air duct connects solid band steel and jet stream including isolation steel plate, crossbeam, longitudinal direction
Blower, the crossbeam are set to the isolation steel plate opposing floor portion, and the isolation steel plate number is multiple, multiple isolation steel plates
It is set side by side, the affixed band steel in longitudinal direction is set between the isolation steel plate, and the jet blower is set to the isolation air duct.
2. aeration structure is isolated in narrow tunnel according to claim 1, which is characterized in that the isolation air duct is set
Relatively above in 4.5 meters of positions of the narrow tunnel floor.
3. aeration structure is isolated in narrow tunnel according to claim 1, which is characterized in that the crossbeam is I-shaped
Gooseneck, the isolation steel plate and crossbeam contact position firm welding, the narrow includes first branch steelframe, the just branch
Steelframe is set to the narrow, and the crossbeam both ends welding is set to the just branch steelframe, and the affixed band steel in longitudinal direction is set to phase
Between the adjacent isolation steel plate, and welded seal between steel plate is isolated with described in the affixed band steel in the longitudinal direction.
4. aeration structure is isolated in narrow tunnel according to claim 3, which is characterized in that the isolation air duct is also
Including equal leg angle, the equal leg angle is set between the nearly just isolation steel plate of branch steelframe and the just branch steelframe,
The isolation steel plate is fixed by the equal leg angle and the just branch steelframe.
5. aeration structure is isolated in narrow tunnel according to claim 3, which is characterized in that the isolation air duct is also
Including fastening bolt and net spray concrete, fixed between the isolation steel plate and the crossbeam by the fastening bolt, the isolation
Concrete sealing is sprayed by the net between steel plate and the just branch steelframe.
6. aeration structure is isolated in narrow tunnel according to claim 3, which is characterized in that the isolation air duct is also
Including extension air duct outside hole, extension air duct is extended to outside the narrow hole outside the hole, and extension air duct is loudspeaker outside the hole
Shape, extension air duct two sides and top are color steel plate sealing structure outside the hole.
7. aeration structure is isolated in narrow tunnel according to claim 1, which is characterized in that the narrow tunnel
Road isolation aeration structure further includes main tunnel intersection, bellows and fan mechanism, and the bellows are set to the main tunnel intersection, and with
The isolation air duct connection, the fan mechanism are set to the bellows end.
8. aeration structure is isolated in narrow tunnel according to claim 7, which is characterized in that the bellows are set to institute
It states at 4.5 meters of main tunnel intersection rail top.
9. aeration structure is isolated in narrow tunnel according to claim 7, which is characterized in that the bellows include wind
Bottom plate, bellows side plate and I-shaped reinforce steel, and airtight connection between the bellows bottom plate and the bellows side plate forms the wind
Box main body structure, the I-shaped reinforce steel and are set to the bellows with respect to lower section laterally setting, are set to the bellows with respect to lower section cross
Reinforce steel both ends to the I-shaped of setting and is fixed by bolts in main tunnel lining cutting.
10. aeration structure is isolated in narrow tunnel according to claim 7, which is characterized in that the fan mechanism
Including blower, ventilation duct and flange beam stand, for the blower by ventilation duct to the independent air feed of face, the blower is set to work
Word steel bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811189295.6A CN109098747A (en) | 2018-10-12 | 2018-10-12 | Aeration structure is isolated in narrow tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811189295.6A CN109098747A (en) | 2018-10-12 | 2018-10-12 | Aeration structure is isolated in narrow tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109098747A true CN109098747A (en) | 2018-12-28 |
Family
ID=64868681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811189295.6A Withdrawn CN109098747A (en) | 2018-10-12 | 2018-10-12 | Aeration structure is isolated in narrow tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109098747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017058A (en) * | 2021-11-11 | 2022-02-08 | 中铁十二局集团有限公司 | Construction method of fabricated air duct partition plate for plateau railway tunnel double-lane trackless transportation auxiliary gallery |
-
2018
- 2018-10-12 CN CN201811189295.6A patent/CN109098747A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017058A (en) * | 2021-11-11 | 2022-02-08 | 中铁十二局集团有限公司 | Construction method of fabricated air duct partition plate for plateau railway tunnel double-lane trackless transportation auxiliary gallery |
| CN114017058B (en) * | 2021-11-11 | 2023-04-25 | 中铁十二局集团有限公司 | Construction method for assembled type wind channel separator of auxiliary tunnel for double-lane trackless transportation of plateau railway tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181228 |