CN107435553A - Extinguishing device and method for well industrial and mineral well shaft - Google Patents

Extinguishing device and method for well industrial and mineral well shaft Download PDF

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Publication number
CN107435553A
CN107435553A CN201710655738.5A CN201710655738A CN107435553A CN 107435553 A CN107435553 A CN 107435553A CN 201710655738 A CN201710655738 A CN 201710655738A CN 107435553 A CN107435553 A CN 107435553A
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CN
China
Prior art keywords
air door
mine
nitrogen
well
shower nozzle
Prior art date
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Pending
Application number
CN201710655738.5A
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Chinese (zh)
Inventor
李刚
桑红星
赵树华
李伟
李洪刚
徐志超
杜现海
张维勇
刘春燕
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FEICHENG BAIZHUANG COAL MINE Co Ltd
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FEICHENG BAIZHUANG COAL MINE Co Ltd
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Filing date
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Application filed by FEICHENG BAIZHUANG COAL MINE Co Ltd filed Critical FEICHENG BAIZHUANG COAL MINE Co Ltd
Priority to CN201710655738.5A priority Critical patent/CN107435553A/en
Publication of CN107435553A publication Critical patent/CN107435553A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/10Air doors

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

A kind of extinguishing device and method for well industrial and mineral well shaft, include the nitrogen pot for being provided with nitrogen gas(1), the shower nozzle that is arranged in pitshaft and sprays nitrogen haze(3), be arranged on shower nozzle(3)With nitrogen pot(1)Between appendix(2), be arranged in airway and produced in pitshaft the distinguished and admirable control valve device flowed up, pass through nitrogen pot(1), appendix(2)And shower nozzle(3), the nitrogen haze for fire extinguishing is formed in pitshaft, passes through control valve device, the distinguished and admirable motive force for balance Nitrogen haze is formed in pitshaft, the retained nitrogen aerosol group in the wellbore section of fire point, does not use fire distinguisher, therefore improves the extinguishing effect to pitshaft.

Description

Extinguishing device and method for well industrial and mineral well shaft
First, technical field
The present invention relates to a kind of extinguishing device and method, especially a kind of extinguishing device and method for well industrial and mineral well shaft.
2nd, background technology
Pitshaft fire due to coverage is big, number of going through dangers is more, caused by safety consequences and property it is huge the characteristics of, Thus be accordingly used in the extinguishing device of well industrial and mineral well shaft and method is a kind of important mine device, is used for Jing Gongkuangjing existing In the extinguishing device and method of pit shaft, for fire management in pitshaft emphasis still based on fire preventing, for well There is the fire of naked light in cylinder, because wind speed is big, sprawling is fast, operation field fire distinguisher is limited in pit shaft, fire extinguishing space Narrow and small and mine shaft depth is big, and existing Fire extinguisher is extremely difficult to fire area and carries out effectively fire extinguishing restraining factors, to mine well The extinguishing effect of cylinder is bad.
Based on existing technical problem, technical characteristic and technique effect, application technical scheme of the invention is made.
3rd, the content of the invention
The object of the present invention is a kind of extinguishing device for well industrial and mineral well shaft,
The object of the present invention is a kind of extinguishing method for well industrial and mineral well shaft.
In order to overcome above-mentioned technical disadvantages, it is an object of the invention to provide a kind of extinguishing device for well industrial and mineral well shaft And method, therefore improve the extinguishing effect to pitshaft.
To reach above-mentioned purpose, the present invention adopts the technical scheme that:A kind of extinguishing device for well industrial and mineral well shaft, Comprising the shower nozzle for being provided with the nitrogen pot of nitrogen gas, being arranged in pitshaft and spraying nitrogen haze, it is arranged on shower nozzle Appendix between nitrogen pot, it is arranged in airway and is produced in pitshaft the distinguished and admirable control flowed up Valving.
Due to devising nitrogen pot, appendix, shower nozzle and control valve device, by nitrogen pot, appendix and shower nozzle, The nitrogen haze for fire extinguishing is formed in pitshaft, by control valve device, is formed in pitshaft for balancing nitrogen The distinguished and admirable motive force of aerosol group, the retained nitrogen aerosol group in the wellbore section of fire point, does not use fire distinguisher, therefore improve To the extinguishing effect of pitshaft.
The present invention devises, nitrogen in the way of retained nitrogen aerosol group in the wellbore section in the fire point of pitshaft Tank, appendix, shower nozzle and control valve device are coupled to each other.
The present invention devises, and control valve device is arranged to include right air door and left air door,
Shower nozzle is arranged to connect with nitrogen pot by appendix and shower nozzle is separately positioned on mine main hole and mine auxiliary shaft cylinder In, it is respectively arranged with right air door and left air door and right wind in the airway connected with mine main hole and mine auxiliary shaft cylinder Door and left air door are separately positioned on the right flank and left surface and mine auxiliary shaft at the connection position in mine main hole and airway Cylinder and the right flank and left surface at the connection position in airway.
The present invention is devised, and nitrogen pot is arranged on ground basal plane and nitrogen pot is arranged in group shape distribution, in group shape point The nitrogen pot of cloth is arranged to interconnected.
The present invention devises, shower nozzle be respectively set to along mine main hole vertical centerline and mine auxiliary shaft cylinder it is vertical The distance between center line compartment arranged distribution and adjacent two shower nozzles are arranged to 90-110mm, are arranged on certain position Shower nozzle be respectively set to connect with corresponding nitrogen pot.
The present invention devises, and shower nozzle is respectively set to be spaced distribution and mine auxiliary shaft cylinder along the periphery of mine main hole Periphery be spaced distribution.
The present invention devises, and right air door is arranged to include right air door I and right air door II and left air door is arranged to include There are left air door I and left air door II, right air door I and left air door are respectively arranged with the main ventilation tunnel connected with mine main hole I and right air door I and left air door I be separately positioned on the right flank at the connection position for being arranged on mine main hole and main ventilation tunnel And left surface, right air door II and left air door II and right wind are respectively arranged with the secondary airway connected with mine auxiliary shaft cylinder Door II and left air door II are separately positioned on the right flank for being arranged on mine auxiliary shaft cylinder and the connection position in secondary airway and left side Face, air intake stone is provided with the airway that main ventilation tunnel, secondary airway and shaft station airway are interconnected Door.
The present invention devises, nitrogen pot and appendix and shower nozzle be arranged to be distributed in the way of nitrogen haze is formed and Appendix and shower nozzle are arranged to be distributed in the way of the air flow power for forming balance Nitrogen haze with right air door and left air door.
The present invention devises, a kind of extinguishing method for well industrial and mineral well shaft, and its step is:Nitrogen is discharged in pitshaft Aerosol group, the distinguished and admirable of reverse flow is blown into pitshaft.
The present invention devises, and its step is:
When fire point occurs in mine main hole or mine auxiliary shaft cylinder, the shower nozzle corresponding with fire point is opened, in mine master Nitrogen haze is injected in pit shaft or mine auxiliary shaft cylinder, then is separately turned on right air door and left air door, is made by the distinguished and admirable of air intake crossdrift Inversely blow in mine main hole or mine auxiliary shaft cylinder, the wellbore section of the fire point in mine main hole or mine auxiliary shaft cylinder Middle retained nitrogen aerosol group.
The present invention devises, and the bore of mine main hole 6 is arranged to 5000-5200mm or the bore of mine auxiliary shaft cylinder 7 is set When being set to 5800-6000mm, the pressure of nitrogen pot 1 is arranged to 1.8-2.2Mpa, passes through the reverse distinguished and admirable wind of air intake crossdrift 92 Measure 75-90 cubes of meter per second.
The present invention devises, and the bore of mine main hole 6 is arranged to 5080mm or the bore of mine auxiliary shaft cylinder 7 is arranged to During 6000mm, the pressure of nitrogen pot 1 is arranged to 2.1Mpa, passes through reverse distinguished and admirable 80 cubes of meter per seconds of air quantity of air intake crossdrift 92.
In the technical program, the reverse flow of pitshaft it is distinguished and admirable refer to blow upwards along pitshaft it is distinguished and admirable, Pitshaft forward flow it is distinguished and admirable refer to blow downwards along pitshaft it is distinguished and admirable.
In the technical program, the nitrogen pot of retained nitrogen aerosol group, gas transmission in the wellbore section of the fire point of pitshaft Pipe, shower nozzle and control valve device are important technical characteristic, in the extinguishing device and the technology of method for well industrial and mineral well shaft In field, there is novelty, creativeness and practicality, the term in the technical program can all be used in the art Patent document is explained and understood.
4th, illustrate
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing skill The required accompanying drawing used is briefly described in art description, it should be apparent that, drawings in the following description are only the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the schematic diagram of the present invention,
Fig. 2 leads to for the mine main hole 6 of the present invention, mine auxiliary shaft cylinder 7, main ventilation tunnel 91, secondary airway 9, shaft station The distribution schematic diagram in air way road 8 and air intake crossdrift 92.
5th, embodiment
According to guidelines for examination, such as " having ", "comprising" and " comprising " term used in the present invention should be understood to not Allot the presence or addition of one or more of the other element or its combination.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " interior ", " outer " are the orientation or position relationship of general expression, are for only for ease of Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " It is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other It is be combined with each other into conflict can.
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched State, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, Belong to the scope of protection of the invention.
A kind of extinguishing device for well industrial and mineral well shaft, Fig. 1 is one embodiment of the present invention, specific with reference to accompanying drawing Illustrate the present embodiment, include nitrogen pot 1, appendix 2, shower nozzle 3, right air door 4 and left air door 5,
Shower nozzle 3 is arranged to connect with nitrogen pot 1 by appendix 2 and shower nozzle 3 is separately positioned on mine main hole 6 and mine pair In pit shaft 7, right air door 4 and left air door are respectively arranged with the airway connected with mine main hole 6 and mine auxiliary shaft cylinder 7 5 and right air door 4 and left air door 5 be separately positioned on mine main hole 6 and airway connection position right flank and left side Face and mine auxiliary shaft cylinder 7 and the right flank and left surface at the connection position in airway.
In the present embodiment, nitrogen pot 1 is arranged on ground basal plane and nitrogen pot 1 is arranged in group shape distribution, in a group shape The nitrogen pot 1 of distribution is arranged to interconnected.
Pass through nitrogen pot 1, there is provided the source nitrogen for fire extinguishing.
In the present embodiment, shower nozzle 3 is respectively set to vertical centerline and mine auxiliary shaft cylinder 7 along mine main hole 6 The distance between vertical centerline compartment arranged distribution and adjacent two shower nozzles 3 are arranged to 90mm, are arranged on a positioning The shower nozzle 3 put is respectively set to connect with corresponding nitrogen pot 1.
By shower nozzle 3, nitrogen mist is formed in mine main hole 6 and mine auxiliary shaft cylinder 7, in mine main hole 6 and mine Separate oxygen channel in auxiliary shaft cylinder 7.
In the present embodiment, shower nozzle 3 is respectively set to be spaced distribution and mine auxiliary shaft along the periphery of mine main hole 6 The periphery of cylinder 7 is spaced distribution.
By the shower nozzle 3 of annular array, mushroom nitrogen mist is formed in mine main hole 6 and mine auxiliary shaft cylinder 7, is carried The high dispersion efficiency in mine main hole 6 and mine auxiliary shaft cylinder 7.
In the present embodiment, right air door 4 is arranged to include right air door I 41 and right air door II 42 and left air door 5 is set To include left air door I 51 and left air door II 52, the right side is respectively arranged with the main ventilation tunnel 91 connected with mine main hole 6 Air door I 41 and left air door I 51 and right air door I 41 and left air door I 51 are separately positioned on and are arranged on mine main hole 6 and main ventilation The right flank and left surface at the connection position in tunnel 91, are respectively arranged with the secondary airway 9 connected with mine auxiliary shaft cylinder 7 Right air door II 42 and left air door II 52 and right air door II 42 and left air door II 52 be separately positioned on be arranged on mine auxiliary shaft cylinder 7 with The right flank and left surface at the connection position in secondary airway 9, lead in main ventilation tunnel 91, secondary airway 9 and shaft station Air way road 8 is provided with air intake crossdrift 92 in interconnected airway.
By right air door I 41 and left air door I 51, realize and forward divulged information in mine main hole 6 and inversely divulged information, from And nitrogen mist is kept by right air door II 42 and left air door II 52, to realize in mine auxiliary shaft in the stop place of mine main hole 6 Forward divulged information in cylinder 7 and inversely divulged information, so as to keep nitrogen mist in the stop place of mine auxiliary shaft cylinder 7.
In the present embodiment, nitrogen pot 1 is arranged to be distributed in the way of nitrogen haze is formed with appendix 2 and shower nozzle 3 And appendix 2 and shower nozzle 3 are arranged to the side according to the air flow power for forming balance Nitrogen haze with right air door 4 and left air door 5 Formula is distributed.
The distance between second embodiment of the present invention, adjacent two shower nozzles 3 are arranged to 110mm.
The distance between the 3rd embodiment of the present invention, adjacent two shower nozzles 3 are arranged to 90-110mm.
The distance between the 4th embodiment of the present invention, adjacent two shower nozzles 3 are arranged to 100mm.
A kind of extinguishing method for well industrial and mineral well shaft, with reference to embodiment, the present invention is further described, below Embodiment is intended to illustrate invention rather than limitation of the invention further.One embodiment of the present invention, its step are:
When fire point occurs in mine main hole 6 or mine auxiliary shaft cylinder 7, the shower nozzle 3 corresponding with fire point is opened, in mine Nitrogen haze is injected in main hole 6 or mine auxiliary shaft cylinder 7, then is separately turned on right air door 4 and left air door 5, is made by air intake crossdrift 92 distinguished and admirable is inversely blown in mine main hole 6 or mine auxiliary shaft cylinder 7, the fire in mine main hole 6 or mine auxiliary shaft cylinder 7 Retained nitrogen aerosol group in the wellbore section of calamity point.
In the present embodiment, the bore of mine main hole 6 is arranged to 5000mm or the bore of mine auxiliary shaft cylinder 7 is arranged to During 5800mm, the pressure of nitrogen pot 1 is arranged to 1.8Mpa, passes through reverse distinguished and admirable 75 cubes of meter per seconds of air quantity of air intake crossdrift 92.
Second embodiment of the present invention, the bore of mine main hole 6 are arranged to the bore of 5200mm or mine auxiliary shaft cylinder 7 When being arranged to 6000mm, the pressure of nitrogen pot 1 is arranged to 2.2Mpa, passes through reverse 90 cubes distinguished and admirable of the air quantity of air intake crossdrift 92 Meter per second.
The 3rd embodiment of the present invention, the bore of mine main hole 6 are arranged to 5000-5200mm or mine auxiliary shaft cylinder 7 Bore when being arranged to 5800-6000mm, the pressure of nitrogen pot 1 is arranged to 1.8-2.2Mpa, passes through the reverse of air intake crossdrift 92 Distinguished and admirable 75-90 cubes of meter per second of air quantity.
The 4th embodiment of the present invention, the bore of mine main hole 6 are arranged to the bore of 5100mm or mine auxiliary shaft cylinder 7 When being arranged to 5900mm, the pressure of nitrogen pot 1 is arranged to 2.0Mpa, vertical by the reverse distinguished and admirable air quantity 87.5 of air intake crossdrift 92 Square meter per second.
The 5th embodiment of the present invention, the bore of mine main hole 6 are arranged to the bore of 5080mm or mine auxiliary shaft cylinder 7 When being arranged to 6000mm, the pressure of nitrogen pot 1 is arranged to 2.1Mpa, passes through reverse 80 cubes distinguished and admirable of the air quantity of air intake crossdrift 92 Meter per second.
Result of the test shows:The 5th nitrogen haze caused by embodiment of the present invention, after fire extinguishing, in pitshaft The time of delay can extend 30 minutes.
The present invention has lower feature:
1st, due to devising nitrogen pot 1, appendix 2, shower nozzle 3 and control valve device, nitrogen pot 1, appendix 2 and shower nozzle are passed through 3, the nitrogen haze for fire extinguishing is formed in pitshaft, by control valve device, is formed in pitshaft for putting down The distinguished and admirable motive force of weighing apparatus nitrogen haze, the retained nitrogen aerosol group in the wellbore section of fire point, does not use fire distinguisher, therefore carry The high extinguishing effect to pitshaft.
2nd, due to devising right air door 4 and left air door 5, by the closing of right air door 4 and left air door 5, realize to mine Pit shaft it is reverse distinguished and admirable.
3rd, due to devising shower nozzle 3, segmentation distribution nitrogen haze is realized, by the nitrogen that upper, middle and lower is produced in fire point Haze section, improves extinguishing effect.
4th, the restriction of number range has been carried out to planform due to devising, has made technical side of the number range for the present invention Technical characteristic in case, is not the technical characteristic for being calculated by formula or being drawn by limited number of time experiment, and experiment shows the numerical value The technical characteristic of scope achieves good technique effect.
5th, due to devising the technical characteristic of the present invention, in the effect of the independent and mutual set of technical characteristic, Shown by experiment, property indices of the invention are at least 1.7 times for existing property indices, have by assessing There is good market value.
Also other nitrogen pot 1, appendixs with the retained nitrogen aerosol group in the wellbore section of the fire point of pitshaft 2nd, shower nozzle 3 and the technical characteristic of control valve device connection are all one of embodiments of the invention, and embodiment described above Each technical characteristic can arbitrarily be combined, to meet Patent Law, patent regulation and the requirement of guidelines for examination, no longer The embodiment of all possible combination of each technical characteristic in above-described embodiment is all described.
Above-described embodiment is one kind reality of the extinguishing device provided by the present invention for well industrial and mineral well shaft and method Existing form, according to other deformations of scheme provided by the present invention, increase and either reduce composition therein or step or incite somebody to action this Invent for other technical fields close with the present invention, belong to protection scope of the present invention.

Claims (10)

1. a kind of extinguishing device for well industrial and mineral well shaft, it is characterized in that:Include the nitrogen pot for being provided with nitrogen gas(1)、 It is arranged in pitshaft and sprays the shower nozzle of nitrogen haze(3), be arranged on shower nozzle(3)With nitrogen pot(1)Between gas transmission Pipe(2), be arranged in airway and produced in pitshaft the distinguished and admirable control valve device flowed up.
2. the extinguishing device according to claim 1 for well industrial and mineral well shaft, it is characterized in that:According in pitshaft The mode that retained nitrogen aerosol is rolled into a ball in the wellbore section of fire point is nitrogen pot(1), appendix(2), shower nozzle(3)With control valve device It is coupled to each other.
3. the extinguishing device according to claim 1 for well industrial and mineral well shaft, it is characterized in that:Control valve device is set To include right air door(4)With left air door(5),
Shower nozzle(3)It is arranged to pass through appendix(2)With nitrogen pot(1)Connection and shower nozzle(3)It is separately positioned on mine main hole (6)With mine auxiliary shaft cylinder(7)In, with mine main hole(6)With mine auxiliary shaft cylinder(7)Set respectively in the airway of connection There is right air door(4)With left air door(5)And right air door(4)With left air door(5)It is separately positioned on mine main hole(6)With lane of divulging information The right flank and left surface and mine auxiliary shaft cylinder at the connection position in road(7)Right flank and left side with the connection position in airway Face.
4. the extinguishing device according to claim 3 for well industrial and mineral well shaft, it is characterized in that:Nitrogen pot(1)It is arranged on On ground basal plane and nitrogen pot(1)It is arranged in group shape distribution, in a group nitrogen pot for shape distribution(1)It is arranged to interconnected,
Or right air door(4)It is arranged to include right air door I(41)With right air door II(42)And left air door(5)It is arranged to include Left air door I(51)With left air door II(52), with mine main hole(6)The main ventilation tunnel of connection(91)On be respectively arranged with the right side Air door I(41)With left air door I(51)And right air door I(41)With left air door I(51)It is separately positioned on and is arranged on mine main hole (6)With main ventilation tunnel(91)Connection position right flank and left surface, with mine auxiliary shaft cylinder(7)The secondary ventilation lane of connection Road(9)On be respectively arranged with right air door II(42)With left air door II(52)And right air door II(42)With left air door II(52)Respectively It is arranged on mine auxiliary shaft cylinder(7)With secondary airway(9)Connection position right flank and left surface, in main ventilation lane Road(91), secondary airway(9)With shaft station airway(8)Air intake crossdrift is provided with interconnected airway (92).
5. the extinguishing device and method according to claim 3 for well industrial and mineral well shaft, it is characterized in that:Shower nozzle(3)Point It is not arranged to along mine main hole(6)Vertical centerline and mine auxiliary shaft cylinder(7)Vertical centerline compartment arranged distribution And two adjacent shower nozzles(3)The distance between be arranged to 90-110mm, be arranged on the shower nozzle of certain position(3)Set respectively For with corresponding nitrogen pot(1)Connection,
Or shower nozzle(3)It is respectively set to along mine main hole(6)Periphery be spaced distribution and mine auxiliary shaft cylinder(7)Periphery It is spaced distribution.
6. the extinguishing device according to claim 3 for well industrial and mineral well shaft, it is characterized in that:Nitrogen pot(1)With gas transmission Pipe(2)And shower nozzle(3)It is arranged to be distributed in the way of nitrogen haze is formed and appendix(2)And shower nozzle(3)With right air door (4)With left air door(5)It is arranged to be distributed in the way of the air flow power for forming balance Nitrogen haze.
7. a kind of extinguishing method for well industrial and mineral well shaft, its step are:Nitrogen haze is discharged in pitshaft, in mine well Cylinder is blown into the distinguished and admirable of reverse flow.
8. the extinguishing method according to claim 7 for well industrial and mineral well shaft, it is characterized in that:Its step is:
When mine main hole(6)Or mine auxiliary shaft cylinder(7)During middle generation fire point, the shower nozzle corresponding with fire point is opened(3), In mine main hole(6)Or mine auxiliary shaft cylinder(7)Middle injection nitrogen haze, then it is separately turned on right air door(4)With left air door(5), Make by air intake crossdrift(92)Distinguished and admirable inversely blow in mine main hole(6)Or mine auxiliary shaft cylinder(7)In, in mine main hole (6)Or mine auxiliary shaft cylinder(7)In fire point wellbore section in retained nitrogen aerosol group.
9. the extinguishing method according to claim 7 for well industrial and mineral well shaft, it is characterized in that:When mine main hole(6) Bore be arranged to 5000-5200mm or mine auxiliary shaft cylinder(7)Bore when being arranged to 5800-6000mm, nitrogen pot(1)Pressure Power is arranged to 1.8-2.2Mpa, passes through air intake crossdrift(92)Reverse distinguished and admirable 75-90 cubes of meter per second of air quantity.
10. the extinguishing method according to claim 7 for well industrial and mineral well shaft, it is characterized in that:Mine main hole(6)'s Bore is arranged to 5080mm or mine auxiliary shaft cylinder(7)Bore when being arranged to 6000mm, nitrogen pot(1)Pressure be arranged to 2.1Mpa, pass through air intake crossdrift(92)Reverse distinguished and admirable 80 cubes of meter per seconds of air quantity.
CN201710655738.5A 2017-08-03 2017-08-03 Extinguishing device and method for well industrial and mineral well shaft Pending CN107435553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710655738.5A CN107435553A (en) 2017-08-03 2017-08-03 Extinguishing device and method for well industrial and mineral well shaft

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Application Number Priority Date Filing Date Title
CN201710655738.5A CN107435553A (en) 2017-08-03 2017-08-03 Extinguishing device and method for well industrial and mineral well shaft

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Publication Number Publication Date
CN107435553A true CN107435553A (en) 2017-12-05

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CN202039887U (en) * 2011-02-21 2011-11-16 武汉星田热环境控制技术有限公司 Low-temperature nitrogen fire prevention and extinguishment system for pit
CN102451530A (en) * 2012-01-01 2012-05-16 天津市公安消防局 Cable shaft fire-fighting device and fire-fighting method thereof
CN203452827U (en) * 2013-09-16 2014-02-26 山西大唐国际临汾热电有限责任公司 Electric cable tunnel heat radiation structure
CN104071670A (en) * 2014-07-09 2014-10-01 安徽康成工业产品设计有限公司 Lift well fire extinguishing plant
CN203954499U (en) * 2014-06-26 2014-11-26 国家电网公司 Cable shaft fire prevention and control device
CN204275343U (en) * 2014-09-19 2015-04-22 中国核电工程有限公司 A kind of fire-fighting system of cable shaft fire of putting out a fire to save life and property
CN104775843A (en) * 2015-04-02 2015-07-15 神华集团有限责任公司 Liquid nitrogen fireproof fire extinguishing system and method
CN207261035U (en) * 2017-08-03 2018-04-20 肥城白庄煤矿有限公司 Extinguishing device for well industrial and mineral well shaft

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2541423A1 (en) * 2003-11-10 2005-05-10 Wagner Alarm- Und Sicherungssysteme Gmbh Device for preventing and extinguishing fires
CN202039887U (en) * 2011-02-21 2011-11-16 武汉星田热环境控制技术有限公司 Low-temperature nitrogen fire prevention and extinguishment system for pit
CN102451530A (en) * 2012-01-01 2012-05-16 天津市公安消防局 Cable shaft fire-fighting device and fire-fighting method thereof
CN203452827U (en) * 2013-09-16 2014-02-26 山西大唐国际临汾热电有限责任公司 Electric cable tunnel heat radiation structure
CN203954499U (en) * 2014-06-26 2014-11-26 国家电网公司 Cable shaft fire prevention and control device
CN104071670A (en) * 2014-07-09 2014-10-01 安徽康成工业产品设计有限公司 Lift well fire extinguishing plant
CN204275343U (en) * 2014-09-19 2015-04-22 中国核电工程有限公司 A kind of fire-fighting system of cable shaft fire of putting out a fire to save life and property
CN104775843A (en) * 2015-04-02 2015-07-15 神华集团有限责任公司 Liquid nitrogen fireproof fire extinguishing system and method
CN207261035U (en) * 2017-08-03 2018-04-20 肥城白庄煤矿有限公司 Extinguishing device for well industrial and mineral well shaft

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Application publication date: 20171205

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