CN107387162B - Roadway sealing door, roadway air wall and manufacturing method thereof - Google Patents
Roadway sealing door, roadway air wall and manufacturing method thereof Download PDFInfo
- Publication number
- CN107387162B CN107387162B CN201710514392.7A CN201710514392A CN107387162B CN 107387162 B CN107387162 B CN 107387162B CN 201710514392 A CN201710514392 A CN 201710514392A CN 107387162 B CN107387162 B CN 107387162B
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- flexible mold
- foam concrete
- roadway
- mold bag
- wall
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- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 105
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 239000011381 foam concrete Substances 0.000 claims abstract description 86
- 238000000034 method Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
-
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
- E21F17/12—Dam doors
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)
- Lining And Supports For Tunnels (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention provides a roadway sealing door, a roadway air wall and a preparation method thereof, wherein the roadway sealing door comprises a hollow flexible mold bag corresponding to the cross section of a roadway, the periphery of the outer side of the flexible mold bag is fixed on the periphery of the inner wall of the roadway, a foam concrete wall body is cast in the flexible mold bag, the upper end of the flexible mold bag is respectively provided with a pouring hole for foam concrete to enter and an air outlet hole for air to be discharged, the bottom of the foam concrete wall body is provided with an outlet for people to enter and exit, and the outlet is hinged with a sealing door. According to the invention, the foam concrete wall body is adopted as the sealing door, the integral casting molding is carried out, no gap is left on the wall body, and the foam concrete can be tightly attached to the inner wall of the roadway during casting, so that no gap exists between the molded wall body and the inner wall of the roadway, and the sealing is good.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to a roadway sealing door, a roadway air wall and a manufacturing method thereof.
Background
Coal mining is usually carried out in an underground tunnel, workers in the tunnel must use oxygen to survive, and toxic and harmful gases such as carbon monoxide, carbon dioxide, nitrogen dioxide, sulfur dioxide, hydrogen sulfide, methane and the like can be generated in the underground production process, so ventilation must be carried out in the tunnel, on one hand, enough fresh air is supplied to the tunnel, and the requirement of the workers on the oxygen is met; on the other hand, toxic and harmful gas and dust in the roadway are diluted and removed, and safe production is ensured; the underground climate can be adjusted, and a good working environment is created.
In the process of coal mining, some local coal mines are mined out, continuous ventilation is not needed in the mined-out places to reduce the ventilation space and enlarge the air supply quantity in other places, and a sealing door is usually arranged in the mined-out places to prevent air from entering the mined-out places; and when needing the manual work to pass through sealing door, need move the braided bag one by one to people can pass, put the braided bag again when not needing to pass, operating personnel's intensity of labour is big and efficient.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the roadway sealing door with a simple structure, which reduces the labor amount of operators and improves the efficiency.
The invention is realized by the following technical scheme, and provides a roadway sealing door which comprises a hollow flexible mold bag corresponding to the cross section of a roadway, wherein the periphery of the outer side of the flexible mold bag is fixed on the periphery of the inner wall of the roadway, a foam concrete wall body is cast in the flexible mold bag, the upper end of the flexible mold bag is respectively provided with a pouring hole for foam concrete to enter and an air outlet hole for air to be discharged, the bottom of the foam concrete wall body is provided with an outlet for people to come in and go out, and the outlet is hinged with a sealing door.
According to the invention, the foam concrete wall body is used as the sealing door and integrally formed, on one hand, no gap is left on the wall body, and the foam concrete can be tightly attached to the inner wall of the roadway during pouring, so that no gap exists between the formed wall body and the inner wall of the roadway, and the sealing is good; on the other hand, foam concrete wall pours the shaping as integrated into one piece, stacks the sealing door of constituteing with the braided bag for current manual work, operating personnel's work load is less greatly, the export of seting up on the sealing door makes things convenient for people to pass in and out with the sealing door that the export set up, moves the braided bag that stacks for current manual work one by one and supplies people current, need not be the mode of putting the braided bag when current again, operating personnel's intensity of labour greatly reduced, work efficiency is showing and is improving.
The cast-in-place foam concrete is fluid, the foam concrete can be formed only by pouring in a mold, the foam concrete wall is formed after the foam concrete is poured and cooled for a certain time, and the mold is usually disassembled after the foam concrete wall is formed. Therefore, the mould can not be dismantled after the foam concrete wall is formed, the labor capacity is reduced, and the cost is reduced.
Preferably, a sealing member for sealing between the outlet and the door is fixed on the outlet. The sealing element can be a circle of elastic material fixed on the outlet or the sealing door, and when the sealing door is closed, the air leakage of the sealing door is reduced, and the sealing degree is improved.
Preferably, the periphery of the outer side of the flexible mold bag is fixed on the inner wall of the periphery of the roadway through anchor rods.
The periphery of the outer side of the flexible mold bag can be fixed on the inner wall of the periphery of the roadway through fixing connecting pieces such as fixing nails, bolts, anchor rods and the like, and the anchor rods are preferably used for fixing.
Preferably, the edge of the flexible mold bag is in sealing contact with the inner wall of the roadway. Here, the edge of the flexible mold bag and the inner wall of the roadway may not be sealed, after the foam concrete is poured, the foam concrete may form a seal in the forming process, and in order to ensure the sealing effect, the edge of the flexible mold bag and the inner wall of the roadway are preferably set to be in sealing contact.
The invention also provides a manufacturing method of the tunnel sealing door, which is carried out according to the following steps:
a. the flexible mold bag is provided with at least one pouring hole for pouring foam concrete and at least one air outlet hole for exhausting air, and the pouring hole and the air outlet hole are both positioned on the flexible mold bag and are close to the same edge.
The foam concrete wall is usually poured from the top, and the air outlet is usually arranged at the top to be more beneficial to air exhaust, so that the pouring hole and the air outlet are arranged at the position, close to the same edge, of the flexible mold bag in the step, and the pouring hole and the air outlet can be positioned at the upper part conveniently during subsequent fixing.
b. And fixing a door frame at one end of the flexible mold bag, which is far away from the pouring hole and the air outlet hole, so that the area on the flexible mold bag, in the door frame and outside the door frame are isolated.
The door frame is arranged to be prepared for subsequent hinged door sealing, a circle of the door frame ring is a space needing to be reserved, foam concrete does not need to be poured, and therefore the circle of the door frame ring is required to be isolated from the circle of the door frame ring so that the foam concrete cannot enter the door frame during pouring.
c. And fixing the periphery of the flexible mold bag on the inner wall of the periphery of the roadway, so that the pouring hole and the air outlet hole are positioned at the upper part of the flexible mold bag, and the door frame is positioned at the lower part of the flexible mold bag.
The size of the flexible mold bag is preferably slightly larger than the sectional area of the roadway, so that the periphery of the flexible mold bag is conveniently fixed on the inner wall of the periphery of the roadway.
d. And pouring foam concrete into the flexible mold bag through the pouring hole.
e. After the foam concrete is fixed and formed, the door frame is hinged with a door sealing.
Preferably, the number of the pouring holes is two, the pouring holes are respectively located on the left side and the right side of the door frame, and the number of the air outlet holes is one.
Set up the sealing door respectively in the left and right sides of door frame, make and pour evenly, avoid taking place the skew.
The invention also provides a tunnel air wall which comprises a hollow flexible mold bag corresponding to the cross section of the tunnel, the periphery of the outer side of the flexible mold bag is fixed on the periphery of the tunnel, a foam concrete wall body is cast in the flexible mold bag in situ, and the upper end of the flexible mold bag is respectively provided with a pouring hole for foam concrete to enter and an air outlet hole for air to discharge.
The air wall is different from the sealing door only in that the sealing door is provided with an outlet for people to enter and exit and the outlet is hinged with a sealing door, and the air wall does not need people to pass through and is not provided with the outlet and the sealing door.
Preferably, the periphery of the outer side of the flexible mold bag is fixed on the periphery of the inner wall of the roadway through anchor rods.
Preferably, the edge of the flexible mold bag is in sealing contact with the inner wall of the roadway.
Corresponding to the wind wall, the invention also provides a manufacturing method of the wind wall, which comprises the following steps:
A. the method comprises the following steps that at least one pouring hole for pouring foam concrete and at least one air outlet hole for exhausting air are formed in a flexible mold bag, and the pouring hole and the air outlet hole are both located on the flexible mold bag and are close to the same edge;
B. fixing the periphery of the flexible mold bag on the inner wall of the periphery of the roadway, and enabling the pouring hole and the air outlet hole to be located at the upper part of the flexible mold bag;
C. and pouring foam concrete into the flexible mold bag through the pouring hole, and forming the air wall after the foam concrete is solidified and formed.
Compared with the manufacturing method of the sealing door, the manufacturing method of the air wall has the advantages that the steps of fixing the door frame and hinging the sealing door are omitted, the air wall is arranged for convenience in operation and cost measurement when people do not need to pass and only need to block the wind from passing, and the sealing door is not needed.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the invention provides a roadway sealing door, a roadway air wall and a preparation method thereof, wherein the roadway sealing door comprises a hollow flexible mold bag corresponding to the cross section of a roadway, the periphery of the outer side of the flexible mold bag is fixed on the periphery of the inner wall of the roadway, a foam concrete wall body is cast in the flexible mold bag, the upper end of the flexible mold bag is respectively provided with a pouring hole for foam concrete to enter and an air outlet hole for air to be discharged, the bottom of the foam concrete wall body is provided with an outlet for people to enter and exit, and the outlet is hinged with a sealing door. According to the invention, the foam concrete wall body is used as the sealing door, is integrally cast and formed, no gap is left on the wall body, and the foam concrete can be tightly attached to the inner wall of the roadway during casting, so that no gap exists between the formed wall body and the inner wall of the roadway, and the sealing is good; the integrally formed wall body does not need to be built manually, so that the labor amount can be greatly reduced; on the other hand, the export that sets up on the wall body can supply people to come in and go out, and the articulated door that seals in exit can be closed the export when not needing people to come in and go out, need come in and go out or when sealed direct switch seal the door can, for the manual work build the braided bag wall body among the prior art, greatly reduced people's intensity of labour, improved work efficiency, and simple structure, the preparation is simple and convenient.
Drawings
For a clearer explanation of the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a tunnel sealing door according to an embodiment of the present invention (a flexible mold bag is not shown).
Shown in the figure: the foam concrete wall comprises a foam concrete wall body 1, an outlet 11, a sealing door 2, a flexible mold bag 3, a pouring hole 31 and an air outlet 32.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.
Referring to fig. 1, a schematic structural diagram of a tunnel sealing door according to an embodiment of the present invention is shown (a flexible mold bag is not shown).
As shown in fig. 1, the tunnel sealing door comprises a hollow flexible mold bag 3 corresponding to the cross section of the tunnel, the periphery of the outer side of the flexible mold bag 3 is fixed on the periphery of the inner wall of the tunnel, a foam concrete wall body 1 is cast in the flexible mold bag 3, a pouring hole 31 for foam concrete to enter and an air outlet hole 32 for air to be discharged are respectively arranged at the upper end of the flexible mold bag 3, an outlet 11 for people to come in and go out is arranged at the bottom of the foam concrete wall body 1, and a sealing door 2 is hinged to the outlet 11.
In this embodiment, the outside of flexible mould bag 3 is fixed on the tunnel inner wall through the stock all around, just the border of flexible mould bag 3 and the inner wall sealing contact in tunnel.
In another embodiment of the present invention, the periphery of the outer side of the flexible mold bag 3 may be fixed to the inner wall of the periphery of the roadway by fixing nails, bolts, or other possible means, and on the premise of ensuring that the foam concrete is in sealed contact with the roadway during molding, the flexible mold bag 3 may not be in sealed contact with the roadway.
The shape of the foam concrete wall body 1 is matched with the shape of the roadway, for example, if the roadway is of a square structure, the foam concrete wall body 1 is of a square structure, and the purpose of the foam concrete wall body 1 is to block a certain position in the roadway into a front part and a rear part or a left part and a right part. In this embodiment, as shown in fig. 1, the upper portion of the foam concrete wall 1 is semicircular, and the lower portion thereof is rectangular, which is the same as a general tunnel structure.
In the embodiment, the foam concrete wall body 1 is used as a sealing door and is integrally cast and formed, no gap is left on the wall body, and the foam concrete can be tightly attached to the inner wall of the roadway during casting, so that no gap exists between the formed wall body and the inner wall of the roadway, and the sealing is good; the integrally formed wall body does not need to be built manually, so that the labor amount can be greatly reduced; on the other hand, the export that sets up on the wall body can supply people to come in and go out, and the articulated door that seals in exit can be closed the export when not needing people to come in and go out, need come in and go out or when sealed direct switch seal the door can, for the manual work build the braided bag wall body among the prior art, greatly reduced people's intensity of labour, improved work efficiency, and simple structure, the preparation is simple and convenient.
In addition, the embodiment of the invention adopts the flexible mold bag 3 as a mold for molding the foam concrete wall 1, the flexible mold bag 3 is clamped between the inner wall of the roadway and the wall of the foam concrete wall 1 after the cast foam concrete wall 1 is molded, and the foam concrete wall 1 does not need to be disassembled after molding because the flexible mold bag 3 is made of a soft material, so that the step that a common mold needs to be disassembled is omitted, and the labor amount of operators is reduced.
Further, in the present embodiment, a sealing member for sealing between the outlet 11 and the door 2 is fixed to the outlet 11. And a mould for forming the cast-in-place foam concrete is arranged on the outer side of the foam concrete wall body 1.
In this embodiment, the sealing member is an elastic sealing ring fixed on the outlet 11, the shape of the sealing ring is adapted to the shape of the outlet 11, the thickness of the sealing ring is the same as that of the foam concrete wall 1, when the sealing door 2 is closed, the outlet 11 and the sealing door 2 just clamp the sealing ring in the middle, so that no gap is left between the outlet 11 and the sealing door 2, and the sealing performance is good, so that harmful gas in a sealed mined-out place can be well prevented from reaching a region where people work through the gap between the sealing door 2 and the outlet 11 under the condition that the sealing door 2 is closed, the safety is improved, and the harmful gas cannot enter a mined-out region through the gap between the sealing door 2 and the outlet 11 during ventilation, and the supply amount of wind is reduced. In other embodiments of the present invention, the sealing ring may also be fixed on the outer ring of the door 2, and the thickness of the sealing ring may be the same as that of the foam concrete wall 1, or may be smaller than that of the foam concrete wall 1.
In the present invention, the thickness of the sealing door 2 may be the same as the thickness of the foam concrete wall 1, or may be smaller than the thickness of the foam concrete wall 1, and the sealing door 2 may be embedded in the outlet 11, or may be disposed on one side of the foam concrete wall 1 to seal the outlet 11. When the sealing door 2 is inserted into the outlet 11, the size of the sealing door 2 is usually slightly smaller than that of the outlet 11, so as to smoothly insert the sealing door 2 into the outlet 11, at this time, the sealing element may be fixed on the outlet 11 or on an outer ring of the sealing door 2, the sealing element is preferably a sealing ring, and the thickness of the sealing ring is preferably the same as that of the foam concrete wall 1; when the sealing door 2 is arranged on one side of the foam concrete wall body 1 to seal the outlet 11, the size of the sealing door 2 is larger than that of the outlet 11 so as to smoothly seal the outlet 11, at this time, the sealing element may be arranged on one side of the foam concrete wall body 1 close to the sealing door 2, or on one side of the sealing door 2 close to the cast-in-place foam concrete wall body 1 so as to seal a gap between the foam concrete wall body 1 and the sealing door 2, preferably on the sealing door 2. In this embodiment, the sealing door 2 is embedded in the outlet 11, and the sealing element is an elastic sealing ring, and the elastic sealing ring is disposed on the outlet 11.
The embodiment also provides a manufacturing method of the sealing door, which is carried out according to the following steps:
a. the flexible mold bag 3 is provided with at least one pouring hole 31 for pouring foam concrete and at least one air outlet hole 32 for exhausting air, and the pouring hole 31 and the air outlet hole 32 are both positioned on the flexible mold bag 3 and are close to the same edge.
The foam concrete wall body 1 is usually poured from the top when pouring is performed, and the air outlet holes 32 are usually arranged at the top to be more favorable for exhausting air, so that the pouring holes 31 and the air outlet holes 32 are arranged at the positions, close to the same edge, of the flexible mold bags 3 in the step, and the pouring holes 31 and the air outlet holes 32 can be located at the upper parts when the subsequent fixing is performed.
b. And a door frame is fixed at one end of the flexible mold bag 3, which is far away from the pouring hole 31 and the air outlet hole 32, so that the enclosed area of the door frame on the flexible mold bag 3 is isolated from the area outside the door frame.
The door frame is fixed in order to reserve an outlet 11 on the foam concrete wall body 1, a circle of the door frame is a space needing to be reserved, and foam concrete does not need to be poured, so that the inner part of the circle of the door frame needs to be isolated from the outer part of the circle, and the foam concrete does not enter the door frame when being poured.
c. And fixing the periphery of the flexible mold bag 3 on the inner wall of the periphery of the roadway, so that the pouring hole 31 and the air outlet hole 32 are positioned at the upper part of the flexible mold bag 3, and the door frame is positioned at the lower part of the flexible mold bag 3.
d. Foam concrete is poured into the flexible mold bag 3 through the pouring holes 31, and a small amount of expanded concrete can be poured after the foam concrete is poured, so that the foam concrete expands during molding and is sealed with the inner wall of the periphery of the roadway.
e. After the foam concrete is fixed and formed, the door frame is hinged with a door sealing.
During the preparation of the sealing door of this embodiment, at first set up two holes 31 and a venthole 32 of pouring on the flexible mould bag 3 that prepares, then fixed door frame on flexible mould bag 3, make two holes 31 of pouring just be located the left and right sides of door frame, and two holes 31 of pouring are equal apart from the distance of the left and right sides of door frame to guarantee not take place the skew when pouring.
The embodiment of the invention also provides a tunnel air wall which comprises a hollow flexible mold bag corresponding to the cross section of the tunnel, wherein the periphery of the outer side of the flexible mold bag is fixed on the periphery of the tunnel, a foam concrete wall body 1 is arranged in the flexible mold bag, and the upper end of the flexible mold bag is respectively provided with a pouring hole for foam concrete to enter and an air outlet hole for air to be discharged.
In this embodiment, the flexible mold bag is located outside the foam concrete wall 1, so the foam concrete wall 1 cannot be seen from the outside, and only one small dot of the foam concrete wall 1 can be seen at the pouring hole and the air outlet. In this embodiment, the outside of flexible mould bag is fixed all around the tunnel inner wall through the stock all around, just the border of flexible mould bag and the inner wall sealing contact in tunnel.
The air wall is different from the sealing door only in that the sealing door is provided with an outlet 11 for people to enter and exit, and the sealing door 2 is hinged at the outlet, and the air wall does not need people to pass through, and the outlet 11 and the sealing door 2 are not arranged. The above description of the corresponding sealing door is not repeated herein.
Corresponding to the tunnel air wall, the embodiment also provides a manufacturing method of the air wall, and the method is carried out according to the following steps:
A. the flexible mold bag 3 is provided with at least one pouring hole 31 for pouring foam concrete and at least one air outlet hole 32 for exhausting air, and the pouring hole 31 and the air outlet hole 32 are both positioned on the flexible mold bag 3 and are close to the same edge.
B. And fixing the periphery of the flexible mold bag 3 on the inner wall of the periphery of the roadway, so that the pouring hole 31 and the air outlet hole 32 are positioned at the upper part of the flexible mold bag 3.
C. And pouring foam concrete into the flexible mold bag 3 through the pouring holes 31, and forming the air wall after the foam concrete is solidified and molded.
Compared with the manufacturing method of the tunnel sealing door, the manufacturing method of the tunnel air wall only needs fewer steps of fixing the door frame and hinging the sealing door 2, and the manufacturing method of the tunnel air wall is not elaborated in detail in the embodiment because the manufacturing steps of the tunnel sealing door are explained in detail. It should be noted that, when people do not need to pass through and only need to block the wind from passing through, for convenient operation and cost meter, the tunnel air wall is arranged, and a sealing door is not needed.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (3)
1. The manufacturing method of the tunnel sealing door is characterized by comprising the following steps of:
a. the method comprises the following steps that at least one pouring hole for pouring foam concrete and at least one air outlet hole for exhausting air are formed in a flexible mold bag, and the pouring hole and the air outlet hole are both located on the flexible mold bag and are close to the same edge;
b. fixing a door frame at one end of the flexible mold bag, which is far away from the pouring hole and the air outlet hole, so that the region surrounded by the door frame on the flexible mold bag is isolated from the region outside the door frame;
c. fixing the periphery of the flexible mold bag on the inner wall of the periphery of the roadway, so that the pouring hole and the air outlet hole are positioned at the upper part of the flexible mold bag, and the door frame is positioned at the lower part of the flexible mold bag;
d. pouring foam concrete into the flexible mold bag through the pouring hole;
e. after the foam concrete is fixed and formed, a door (2) is hinged on the door frame.
2. The manufacturing method of the tunnel sealing door according to claim 1, wherein the number of the pouring holes is two, the pouring holes are respectively located on the left side and the right side of the door frame, and the number of the air outlet holes is one.
3. The manufacturing method of the wind wall is characterized by comprising the following steps of:
A. the method comprises the following steps that at least one pouring hole for pouring foam concrete and at least one air outlet hole for exhausting air are formed in a flexible mold bag, and the pouring hole and the air outlet hole are both located on the flexible mold bag and are close to the same edge;
B. fixing the periphery of the flexible mold bag on the inner wall of the periphery of the roadway through anchor rods, and enabling the pouring hole and the air outlet hole to be located at the upper part of the flexible mold bag;
C. and pouring foam concrete into the flexible mold bag through the pouring hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514392.7A CN107387162B (en) | 2017-06-29 | 2017-06-29 | Roadway sealing door, roadway air wall and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514392.7A CN107387162B (en) | 2017-06-29 | 2017-06-29 | Roadway sealing door, roadway air wall and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107387162A CN107387162A (en) | 2017-11-24 |
| CN107387162B true CN107387162B (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710514392.7A Expired - Fee Related CN107387162B (en) | 2017-06-29 | 2017-06-29 | Roadway sealing door, roadway air wall and manufacturing method thereof |
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| CN (1) | CN107387162B (en) |
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| CN113586135A (en) * | 2021-09-07 | 2021-11-02 | 中煤科工集团重庆研究院有限公司 | Mining disaster area sealing and unsealing device and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6082828A (en) * | 1996-04-24 | 2000-07-04 | Bailey; Philip E. | Mine gallery curtain and method |
| CN103244145A (en) * | 2013-05-29 | 2013-08-14 | 唐山开滦广汇设备制造有限公司 | Pressure resistance and pressure relief bricks for coal mine underground seal wall and construction method of seal wall |
| CN105736046A (en) * | 2016-02-25 | 2016-07-06 | 北京瑞诺安科新能源技术有限公司 | Coal mine underground sealed wall body and construction method thereof |
| CN205653934U (en) * | 2016-04-29 | 2016-10-19 | 广东省建筑科学研究院集团股份有限公司 | Cast -in -place lightweight concrete wall body of green energy -conserving integration |
| CN106050303A (en) * | 2016-07-29 | 2016-10-26 | 安徽理工大学 | Underground roadway plugging method and device |
-
2017
- 2017-06-29 CN CN201710514392.7A patent/CN107387162B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6082828A (en) * | 1996-04-24 | 2000-07-04 | Bailey; Philip E. | Mine gallery curtain and method |
| CN103244145A (en) * | 2013-05-29 | 2013-08-14 | 唐山开滦广汇设备制造有限公司 | Pressure resistance and pressure relief bricks for coal mine underground seal wall and construction method of seal wall |
| CN105736046A (en) * | 2016-02-25 | 2016-07-06 | 北京瑞诺安科新能源技术有限公司 | Coal mine underground sealed wall body and construction method thereof |
| CN205653934U (en) * | 2016-04-29 | 2016-10-19 | 广东省建筑科学研究院集团股份有限公司 | Cast -in -place lightweight concrete wall body of green energy -conserving integration |
| CN106050303A (en) * | 2016-07-29 | 2016-10-26 | 安徽理工大学 | Underground roadway plugging method and device |
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| CN107387162A (en) | 2017-11-24 |
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