CN206681795U - A kind of underground coal mine fire dam with self-repair function - Google Patents

A kind of underground coal mine fire dam with self-repair function Download PDF

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Publication number
CN206681795U
CN206681795U CN201720246784.5U CN201720246784U CN206681795U CN 206681795 U CN206681795 U CN 206681795U CN 201720246784 U CN201720246784 U CN 201720246784U CN 206681795 U CN206681795 U CN 206681795U
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CN
China
Prior art keywords
pipe
self
fire dam
coal mine
underground coal
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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.)
Expired - Fee Related
Application number
CN201720246784.5U
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Chinese (zh)
Inventor
胡相明
吴明跃
程卫民
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Priority to CN201720246784.5U priority Critical patent/CN206681795U/en
Application granted granted Critical
Publication of CN206681795U publication Critical patent/CN206681795U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to the technical field of underground coal mine fire dam, is specifically related to a kind of underground coal mine fire dam and its construction method with self-repair function.Fire dam provided by the utility model is that closed filler is poured among the plank of two sides, distribution is marked with the reparation pipe network of Bi-component adhesive inside filler, when there is crack in wall, pipe is repaired to rupture under stress, the adhesive of the inside is discharged, reaches the purpose of rapid healing wall body slit.The utility model constructs mode relative to traditional fire dam, with simple in construction, good sealing effect, saves raw material, with self-repair function, safe and efficient significant advantage.

Description

A kind of underground coal mine fire dam with self-repair function
Technical field
The utility model belongs to the technical field of underground coal mine fire dam, is specifically related to a kind of with self-repair function Underground coal mine fire dam.
Background technology
Colliery fire dam is one of the key facility for ensureing mire ventilation safety, permanent fire dam be mainly used in having coal dust, The permanent seal of the dangerous mine goaf of gas.However, mainly utilize masonry, water by the way of closed both at home and abroad at present The various fire dams that mud, sandbag and plank etc. are constructed, material therefor belong to rigid material, under dynamic pressure effect, easily cracking leakage Wind, the pernicious gas in goaf is set to leak into airway;Meanwhile also often do not easily caused sternly because closed inside goaf Spontaneous combustion of float, potential safety hazard is brought to coal production.In addition, general permanent fire dam construction material dosage is big, mine is added Assistant conveyance amount, and permanent fire dam construct it is main by hand, have the shortcomings that long in time limit, efficiency is low, labor intensity is big.
It is the new technology to grow up recent years directly to be poured using foaming kind material and to form fire dam, has construction fast The advantages of fast, but the material over time, is easily ftractureed, easily after a large amount of pour by underground dynamic pressure change wall Leak out in formation, leak gas channel, potential safety hazard is caused, if to reach preferable obturation effect, it is necessary to repeatedly pour and Crack caused by wall is handled, it is so not only time-consuming but also take material.
Therefore, a kind of permanent fire dam of mine that can easily be repaired to wall body slit, can not only save the later stage repaiies The manpower and materials of shield, and fire dam long-term safety service can be ensured to the full extent.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, good sealing effect, saves raw material, has The underground coal mine fire dam of self-repair function.Fire dam provided by the utility model is that closed filling is poured among the plank of two sides Material, the reparation pipe network for being marked with Bi-component adhesive is distributed inside filler, when crack occurs in wall, repairs Guan Ying Power effect is lower to be ruptured, and the adhesive of the inside is discharged, reaches the purpose of rapid healing wall body slit.The utility model is relative Mode is constructed in traditional fire dam, there is safe and efficient significant advantage.
To achieve the above object, the utility model adopts the following technical scheme that:
A kind of underground coal mine fire dam with self-repair function, including wall, the wall inside are filled filled with closed Filling chock material, the reparation pipe equipped with adhesive is distributed with inside the closed filler, the pipe of repairing is fragility pipe.
Preferably, the closed filler is one kind in cement mortar, foamed concrete or polymeric foamed material.
Preferably, described to repair pipeline configuration of the pipe for dual-pipe parallel, the pipe of repairing is double-hole tube.
Preferably, it is described to repair the chemical adhesive for being perfused with two-component in pipe respectively;Preferably, the bi-component gluing Agent is the polyurethane injecting paste material and its catalyst, the epoxy resin injecting paste material and its curing agent of flame retardant type of flame retardant type, or One or more in other chemical slip casting materials and its catalyst;Preferably, the material for repairing pipe is glass, or pottery Porcelain, or high polymer material, wall thickness 1mm-4mm;Preferably, the reparation pipe can be laid with linear pattern, can also continuous U cloth If.
Preferably, the main feed pipe for mortar connected with the reparation pipe is also distributed with inside the closed filler.
Preferably, the main feed pipe for mortar be dual-pipe parallel pipeline configuration, be marked with respectively in two pipelines catalyst and Injecting paste material;Preferably, the main feed pipe for mortar is steel pipe or plastic tube;Preferably, each conduit upper of the main feed pipe for mortar Offer stock inlet and stomata.
Preferably, the main feed pipe for mortar is communicated with induction system by stock inlet.
Preferably, the induction system includes grouting pump and conveyance conduit;Preferably, the grouting pump is screw slip casting Pump;Preferably, the conveyance conduit is mining high-voltage sebific duct, and two conveyance conduits convey catalyst and injecting paste material respectively;It is excellent Choosing, the pipe diameter is 10mm-30mm, pressure-resistant to be more than 8MPa.
Preferably, the wall is wood siding wall;Preferably, the wood siding wall is that 300mm-400mm is wide, 30mm-40mm is thick Planking nail into;Preferably, be provided with pouring hole on the top of construction side rail board wall, the surrounding of wood siding wall embedded in top plate, bottom plate and In the groove of two walls, groove depth 300mm-500mm;Preferably, covered with plastic sheeting on the inside of the wood siding wall.
The beneficial effects of the utility model
(1)Closed filler, which pours the wall built up, has the characteristics of high intensity, good airproof performance;
(2)When crack occurs in wall, repair pipe and ruptured under stress, the adhesive of inside is discharged, it is fast The crack that speed healing wall is formed, has the characteristics of efficient, quick, selfreparing.
(3)Using the polyurethane injecting paste material of flame retardant type(And its catalyst), flame retardant type epoxy resin injecting paste material(And Its curing agent), or other chemical slip casting materials(And its catalyst)As adhesive, curative effect more preferably, and can be saved Raw material.
(4)Consolidant can be periodically injected into compound glass tube by grouting pump, and then timely and effectively cures crack;
(5)It is efficient to construct process safety, while can effectively reduce material usage, reduces the cost of construction.
Brief description of the drawings
Fig. 1 is fire dam front view;
Fig. 2 is the transversely inner profile of fire dam;
Fig. 3 is fire dam left view.
Fig. 4 and Fig. 5 is that the adhesive of the utility model embodiment cures distress in concrete figure.
In figure:1:Wall 2:Main feed pipe for mortar 3:Stock inlet 4:Stomata 5:Pouring hole 6:Repair pipe 7:Conveyance conduit 8:Grouting pump.
Embodiment
It is close to a kind of underground coal mine with self-repair function of the present utility model with specific embodiment below in conjunction with the accompanying drawings Wall is closed to be described further.
Embodiment 1
A kind of underground coal mine fire dam with self-repair function, including wall 1 can be seen that by Fig. 1-Fig. 3, it is described The inside of wall 1 is filled with closed filler, and the reparation pipe 6 equipped with adhesive is distributed with inside the closed filler, The reparation pipe 6 is fragility pipe.
Preferably, the closed filler is polymeric foamed material.
Preferably, described to repair the pipeline configuration that pipe 6 is dual-pipe parallel, the pipe of repairing is double-hole tube.The reparation pipe 6 The chemical adhesive of two-component is inside perfused with respectively;The bi-component adhesive for flame retardant type epoxy resin injecting paste material and its Curing agent;Preferably, the material for repairing pipe 6 is ceramic, wall thickness 1mm;Preferably, the reparation pipe 6 can be with linear pattern Lay, can also continuous U laying.
Preferably, the main feed pipe for mortar 2 connected with the reparation pipe is also distributed with inside the closed filler.The master Feed pipe for mortar 2 is the pipeline configuration of dual-pipe parallel, and catalyst and injecting paste material are marked with respectively in two pipelines;Preferably, it is described Main feed pipe for mortar 2 is steel pipe;Preferably, each conduit upper of the main feed pipe for mortar 2 offers stock inlet 3 and stomata 4.
Preferably, the main feed pipe for mortar 2 is communicated with induction system by stock inlet 3.The induction system includes grouting pump 8 With conveyance conduit 7;The grouting pump 8 is screw grouting pump;The conveyance conduit 7 is mining high-voltage sebific duct, two delivery pipes Road conveys catalyst and injecting paste material respectively;7 a diameter of 10mm of conveyance conduit, it is pressure-resistant to be more than 8MPa.
Preferably, the wall 1 is wood siding wall;The wood siding wall for 300mm is wide, 30mm is thick planking nail into;Preferably, Pouring hole is provided with the top of construction side rail board wall, the surrounding of wood siding wall is in the groove of top plate, bottom plate and two walls, groove depth 300mm;Preferably, covered with plastic sheeting on the inside of the wood siding wall.
Embodiment 2
A kind of underground coal mine fire dam with self-repair function, including wall 1 can be seen that by Fig. 1-Fig. 3, it is described The inside of wall 1 is filled with closed filler, and the reparation pipe 6 equipped with adhesive is distributed with inside the closed filler, The reparation pipe 6 is fragility pipe.
Preferably, the closed filler is polymeric foamed material.
Preferably, described to repair the pipeline configuration that pipe 6 is dual-pipe parallel, the pipe of repairing is double-hole tube.The reparation pipe 6 The chemical adhesive of two-component is inside perfused with respectively;The bi-component adhesive is the polyurethane injecting paste material of flame retardant type and its urged Agent;The material for repairing pipe 6 is glass, wall thickness 4mm;The reparation pipe 6 can be laid with linear pattern, can also continuous U Type is laid.
Preferably, the main feed pipe for mortar 2 connected with the reparation pipe is also distributed with inside the closed filler.The master Feed pipe for mortar 2 is the pipeline configuration of dual-pipe parallel, and catalyst and injecting paste material are marked with respectively in two pipelines;The main feed pipe for mortar 2 be plastic tube;Each conduit upper of the main feed pipe for mortar 2 offers stock inlet 3 and stomata 4.
Preferably, the main feed pipe for mortar 2 is communicated with induction system by stock inlet 3.The induction system includes grouting pump 8 With conveyance conduit 7;The grouting pump 8 is screw grouting pump;The conveyance conduit 7 is mining high-voltage sebific duct, two delivery pipes Road conveys catalyst and injecting paste material respectively;7 a diameter of 30mm of conveyance conduit, it is pressure-resistant to be more than 8MPa.
Preferably, the wall 1 is wood siding wall;The wood siding wall for 400mm is wide, 40mm is thick planking nail into;Constructing The top of side rail board wall is provided with pouring hole, and the surrounding of wood siding wall is in the groove of top plate, bottom plate and two walls, groove depth 500mm; Covered with plastic sheeting on the inside of the wood siding wall.
Embodiment 3
The reparation pipe that the present embodiment uses for some linear pattern glass tubes, closed filler used be foamed concrete, Bi-component adhesive used is the polyurethane injecting paste material and its catalyst of flame retardant type.
The structure of fire dam is can be seen that by Fig. 1-Fig. 3 mainly to be included:Wall 1, main feed pipe for mortar 2, stock inlet 3, stomata 4th, pouring hole 5, reparation pipe 6, conveyance conduit 7 and grouting pump 8.Each side installation two in the position for needing to set fire dam The main feed pipe for mortar 2 of root, the distance with both sides wall are 400mm, and a stomata 4 is opened up in each conduit upper of main feed pipe for mortar 2, For the air in discharge line, a stock inlet 3 is opened up in stomata bottom, is set between front and rear main feed pipe for mortar 2 some straight Line style diplopore quartz glass repairs pipe 6, will repair pipe 6 and is connected on the main feed pipe for mortar 2 of the left and right sides, between adjacent glass pipe Spacing is 500mm, is needing the position of setting fire dam, and top plate, bottom plate and two walls are carried out with slotting, groove depth 500mm, is used The planking nail that 300mm is wide, 30mm is thick is provided with pouring hole 5, the surrounding of wood siding wall is embedding into wood siding wall on the top of construction side rail board wall In the groove of top plate, bottom plate and two walls, covered with plastic sheeting on the inside of wood siding wall, running pulp, wherein wood siding wall 1 and master are prevented The distance between feed pipe for mortar 2 is 400mm, to foamed concrete 9 is poured between two sides wood siding wall 1, by pouring hole 5 after pouring Closing, the conveyance conduit 7 of the induction system of adhesive is connected with stock inlet 3, two conveyance conduits 7 are respectively to main feed pipe for mortar 2 And the polyurethane injecting paste material and its catalyst of conveying flame retardant type in pipe 6 are repaired, by stock inlet 3 and the envelope of stomata 4 after conveying Close.When crack occurs in fire dam, repair pipe 6 and ruptured under stress, by the polyurethane injecting paste material of the flame retardant type of inside And its catalyst discharges, in the presence of catalyst, polyurethane repairs rapidly the crack on wall, can reach and control in time More the purpose of wall body slit.Stock inlet 3 and stomata 4 are periodically opened, toward main feed pipe for mortar and repairs supplement Bi-component adhesive in pipe.
Fig. 4 and Fig. 5 is that the adhesive repaired in pipe of the embodiment of the present invention cures distress in concrete figure.When concrete occurs Behind crack, repair pipe and ruptured under stress, adhesive is discharged, adhesive flows out along crack, by crack self-healing. It can be seen that consolidant is closely glued together by crack, and punishes cloth than more uniform in crack, frac-pack journey Degree is higher.It can be seen that consolidant uniformly can be discharged into crack after glass tracheal rupture, and it is cementing with concrete, realize fracture Healing.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (10)

1. a kind of underground coal mine fire dam with self-repair function, including wall, it is characterised in that:Filled inside the wall There is closed filler, the reparation pipe equipped with adhesive is distributed with inside the closed filler, the pipe of repairing is crisp Property pipe.
2. there is the underground coal mine fire dam of self-repair function as claimed in claim 1, it is characterised in that:The closed filling Material is one kind in cement mortar, foamed concrete or polymeric foamed material.
3. there is the underground coal mine fire dam of self-repair function as claimed in claim 1, it is characterised in that:It is described reparation pipe be The pipeline configuration of dual-pipe parallel, the pipe of repairing is double-hole tube.
4. there is the underground coal mine fire dam of self-repair function as claimed in claim 3, it is characterised in that:In the reparation pipe The chemical adhesive of two-component is perfused with respectively;Polyurethane injecting paste material and its catalysis of the bi-component adhesive for flame retardant type One in agent, the epoxy resin injecting paste material and its curing agent of flame retardant type, or other chemical slip casting materials and its catalyst Kind is several;The material for repairing pipe is glass, or ceramics, or high polymer material, wall thickness 1mm-4mm;It is described to repair pipe It can be laid with linear pattern, can also continuous U laying.
5. there is the underground coal mine fire dam of self-repair function as claimed in claim 1, it is characterised in that:The closed filling The main feed pipe for mortar connected with the reparation pipe is also distributed with material internal.
6. there is the underground coal mine fire dam of self-repair function as claimed in claim 5, it is characterised in that:The main feed pipe for mortar For the pipeline configuration of dual-pipe parallel, catalyst and injecting paste material are marked with respectively in two pipelines;The main feed pipe for mortar is steel pipe Or plastic tube;Each conduit upper of the main feed pipe for mortar offers stock inlet and stomata.
7. there is the underground coal mine fire dam of self-repair function as claimed in claim 5, it is characterised in that:The main feed pipe for mortar Induction system is communicated with by stock inlet.
8. there is the underground coal mine fire dam of self-repair function as claimed in claim 7, it is characterised in that:The induction system Including grouting pump and conveyance conduit;The grouting pump is screw grouting pump;The conveyance conduit is mining high-voltage sebific duct, two Conveyance conduit conveys catalyst and injecting paste material respectively;The pipe diameter is 10mm-30mm, pressure-resistant to be more than 8MPa.
9. the underground coal mine fire dam with self-repair function as described in claim 1-8 is any, it is characterised in that:The wall Body is wood siding wall;Preferably, the wood siding wall for 300mm-400mm is wide, 30mm-40mm is thick planking nail into.
10. there is the underground coal mine fire dam of self-repair function as claimed in claim 9, it is characterised in that:In construction side rail The top of board wall is provided with pouring hole, and the surrounding of wood siding wall is in the groove of top plate, bottom plate and two walls, groove depth 300mm- 500mm;Covered with plastic sheeting on the inside of the wood siding wall.
CN201720246784.5U 2017-03-14 2017-03-14 A kind of underground coal mine fire dam with self-repair function Expired - Fee Related CN206681795U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720246784.5U CN206681795U (en) 2017-03-14 2017-03-14 A kind of underground coal mine fire dam with self-repair function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720246784.5U CN206681795U (en) 2017-03-14 2017-03-14 A kind of underground coal mine fire dam with self-repair function

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703885A (en) * 2017-03-14 2017-05-24 山东科技大学 Underground coal mine airtight wall with self-repairing function and construction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703885A (en) * 2017-03-14 2017-05-24 山东科技大学 Underground coal mine airtight wall with self-repairing function and construction method thereof
CN106703885B (en) * 2017-03-14 2019-01-08 山东科技大学 A kind of underground coal mine fire dam and its construction method with self-repair function

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20171128

Termination date: 20190314