CN104806282A - Multi-layer gas explosion protection system and method for coal mine tunnel - Google Patents
Multi-layer gas explosion protection system and method for coal mine tunnel Download PDFInfo
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- CN104806282A CN104806282A CN201510175092.1A CN201510175092A CN104806282A CN 104806282 A CN104806282 A CN 104806282A CN 201510175092 A CN201510175092 A CN 201510175092A CN 104806282 A CN104806282 A CN 104806282A
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- 238000004880 explosion Methods 0.000 title claims abstract description 81
- 239000003245 coal Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims description 65
- 239000000428 dust Substances 0.000 claims description 29
- 238000005474 detonation Methods 0.000 claims description 17
- 239000000523 sample Substances 0.000 claims description 15
- 230000001629 suppression Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 12
- 239000003595 mist Substances 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 10
- 238000007726 management method Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 230000000644 propagated effect Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000001931 thermography Methods 0.000 claims description 6
- 238000013500 data storage Methods 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 4
- 238000003745 diagnosis Methods 0.000 claims description 4
- 235000003642 hunger Nutrition 0.000 claims description 4
- 230000037351 starvation Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 206010037660 Pyrexia Diseases 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 3
- 230000001902 propagating effect Effects 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 8
- 230000002401 inhibitory effect Effects 0.000 abstract 3
- 239000000126 substance Substances 0.000 abstract 1
- 238000005065 mining Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 210000004722 stifle Anatomy 0.000 description 1
Classifications
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- 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
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
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- 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
- E21F17/18—Special adaptations of signalling or alarm devices
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)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a multi-layer gas explosion protection system and method for a coal mine tunnel. The system comprises an active early warning protecting layer, an automatic explosion inhibiting protecting layer, an automatic explosion isolating protecting layer and an intelligent management system; the active early warning protecting layer, the automatic explosion inhibiting protecting layer and the automatic explosion isolating protecting layer are respectively connected with the intelligent management system. With the adoption of the system and method, explosion can be avoided at the beginning by early warning and removing the explosion factors in the coal mine tunnel at the beginning; the active detecting can be carried out at the middle period of explosion and explosion inhibiting substances can be sprayed to control the explosion at the small energy stage of the explosion; an explosion isolating water barrier is started at the later period of explosion, and an explosion isolating door is closed, so as to completely cut of the explosion.
Description
Technical field
The present invention relates to the datonation-inhibition field of coal mine down-hole tunnel gas explosion, be specifically related to coal mine roadway gas explosion multilayer proofing system and method.
Background technology
Coal is the pillar industry of China's energy, for the whole energy strategy of country provides important guarantee.Since " 12 ", coal and coal seam exploitation are the emphasis carrying out energy construction, have very important status in national economy and social development.China is that coal mine gas " gives prominence to " country that accident is the most serious in the world, and more than 10,000 outstanding accident has occurred so far.Along with the continuous enhancing of mining rate, China's coal-mine mining depth is every year on average by increase by 10 to 20 meters, and highly gassy mine will get more and more.At present, most domestic coal mining enterprise in coal mine gas safety more adopts passive type explosion suppression system and active explosion suppression device: passive type explosion suppression system is as explosion-proof rock dust barrier, explosion-proof water barrier etc., the i.e. measure of putting out a fire to save life and property just taked after blast occurs, there is long, the deficiency such as efficiency is uncertain start-up time in it; Active gas explosion suppression device carries out active probe by the situation of probe to the blast initial stage, when detecting explosion time, explosion suppression device sprays datonation-inhibition material in the starting stage of blast, and the energy absorbing blast generation stops the expansion of blast and cuts off the continuation propagation of blast.Although passive type explosion suppression system or active explosion suppression device can play certain datonation-inhibition effect in coal mine roadway explosion suppression, but all only just there is action after blast occurs in passive type explosion suppression system or active explosion suppression device, can not may occur according to detonation factors prediction blast in advance, and then destroy detonation factors prevention blast generation, and these systems only have one deck to protect, coal mine roadway rugged environment can not be met.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, the coal mine roadway gas explosion multilayer proofing system and method for the generation of control coal mine roadway gas explosion is provided.
The present invention early stage, the detecting early-warning of detonation factors and destroy detonation factors part; In mid-term, blast formation initial stage active probe is sprayed datonation-inhibition material and is suppressed detonation propagation and development; In the later stage, reduce blast loss and form water curtain barrier closedown flame proof door thus the propagation thoroughly cutting off blast.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of coal mine roadway gas explosion multilayer proofing system, it comprises:
Active forewarning overcoat, for detecting mine lane gas from explosion factor parameter, prescribe a time limit when described detonation factors parameter reaches in early warning, starting device reduces mine lane gas from explosion factor;
Automatic datonation-inhibition overcoat, for detecting the blast initial stage, when detecting explosion time, stoping the expansion of blast and cutting off the continuation of exploding and propagating;
Automatic flame proof overcoat, for linking with described automatic datonation-inhibition overcoat, when described automatic datonation-inhibition overcoat detects explosion time, starts flame proof system shutdown detonation propagation according to setting-up time;
Intelligent management system, described active forewarning overcoat, automatic datonation-inhibition overcoat, automatically flame proof overcoat are connected with described intelligent management system respectively, for carrying out Real-Time Monitoring location, data storage and fault diagnosis to described active forewarning overcoat, automatic datonation-inhibition overcoat, automatically flame proof overcoat.
Further technical scheme is that active forewarning overcoat comprises: gas density Monitor And Control Subsystem, for goaf, upper even angle, face gas concentration monitor;
Infrared thermal imaging Monitor And Control Subsystem, for equipment spark, corona and belt fever monitoring;
Fiber optic temperature Monitor And Control Subsystem, for the temperature monitoring in tunnel rib, goaf;
Goaf index gas wireless monitor subsystem, is used in reference to mark gas concentration inspect; Described index gas comprises hydrogen sulfide, carbon monoxide;
Also comprise nitrogen/carbon-dioxide fire engine subsystem and the datonation-inhibition subsystem of fine water mist dust removal.
Further technical scheme is that automatic datonation-inhibition overcoat comprises the datonation-inhibition subsystem of automatic powder spraying and the datonation-inhibition subsystem of fine water mist dust removal.
Further technical scheme is that automatic flame proof overcoat comprises the datonation-inhibition subsystem of automatic water bag.
Further technical scheme is that intelligent management system comprises wisdom line transmission location and data storage subsystem.
Further technical scheme is fiber optic temperature Monitor And Control Subsystem is passive gapless fiber optic temperature Monitor And Control Subsystem.
Further technical scheme is to provide a kind of coal mine roadway gas explosion multilayer proofing method, and described method comprises the following steps:
First floor active forewarning protects
By gas density Monitor And Control Subsystem detection gas density, to exceed in early warning in limited time when detecting gas density, stronger ventilation amount;
By Dust Concentration probe detection Dust Concentration, when detecting Dust Concentration and exceeding capping, start the datonation-inhibition subsystem of fine water mist dust removal and carry out depositing dust;
By infrared thermal imaging Monitor And Control Subsystem and fiber optic temperature Monitor And Control Subsystem detection operations device temperature, reaching in limited time when detecting temperature, automatically cutting off working equipment power supply;
The automatic datonation-inhibition protection of the second layer
Carry out automatic flame detection by optical detector to the initial stage that blast produces, when detecting flame, explosion suppression device sprays datonation-inhibition medium in the starting stage of exploding and stops the expansion of blast and the continuation propagation cutting off blast, suppresses coal mine gas from explosion;
The automatic flame proof protection of third layer
When optical detector detects the initial stage signal of blast, start the datonation-inhibition subsystem of automatic water bag, and close the explosion proof door in tunnel according to setting-up time, the continuation cutting off blast is propagated.
Further technical scheme be in the automatic datonation-inhibition protection of the second layer when detecting flame, the datonation-inhibition subsystem of automatic powder spraying and the datonation-inhibition subsystem of fine water mist dust removal spray datonation-inhibition material in the starting stage of blast, absorb energy, starvation that blast produces, stop the expansion of blast and cut off the continuation of exploding and propagate, suppress coal mine gas from explosion.
Compared with prior art, the invention has the beneficial effects as follows: the present invention be directed to the coal mine roadway gas explosion suppression multilayer proofing system that coal mine roadway gas explosion suppresses.System by prime detonation factors detecting early-warning removal system, middle rank, initiatively thoroughly cut off flare system and this four part of intelligent management system and jointly complete multilayer proofing to coal mine roadway gas explosion by Explosionsunter-druckungssystem, rear class, the multilayer realizing coal mine roadway gas explosion suppresses, and elimination by explosion stifles in the cradle by the initial stage early warning eliminating detonation factors that native system can realize coal mine roadway; Initial stage active probe of exploding mid-term is sprayed datonation-inhibition material and blast is controlled at the little energized state of blast; Later stage starts explosion-proof water barrier, closedown flame proof goalkeeper is exploded and thoroughly cut off.
Accompanying drawing explanation
Fig. 1 is the system architecture diagram of one embodiment of the invention.
Fig. 2 is the multilayer proofing pie graph of one embodiment of the invention.
Detailed description of the invention
All features disclosed in this manual, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this manual (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in detail.
Embodiment 1
As shown in Figure 1, the present embodiment discloses a kind of coal mine roadway gas explosion multilayer proofing system, its System's composition can be shown in Figure 1, it comprises active forewarning overcoat, for detecting mine lane gas from explosion factor parameter, when described detonation factors parameter reaches in limited time, reduce mine lane gas from explosion factor; Further specific embodiment is, active forewarning overcoat comprises: gas density Monitor And Control Subsystem, for goaf, even angle, face gas concentration monitor; Infrared thermal imaging Monitor And Control Subsystem, for equipment spark, corona and belt fever monitoring; Fiber optic temperature Monitor And Control Subsystem, for the temperature monitoring in tunnel rib, goaf; Goaf index gas wireless monitor subsystem, for methane, carbonomonoxide concentration monitoring; Also comprise nitrogen/carbon-dioxide fire engine subsystem and the datonation-inhibition subsystem of fine water mist dust removal.Between the present embodiment is not also blasted in coal mine roadway, the prime detonation factors early warning detection removal system of active forewarning overcoat mainly detects factors such as gas density, concentration of toxic gases, Dust Concentration, working equipment temperature, arrange in limited time when relevant parameter reaches, increase ventilation respectively, open device for reducing dust, cut off equipment working power etc., reduce detonation factors.
Automatic datonation-inhibition overcoat, for detecting the blast initial stage, when detecting explosion time, stoping the expansion of blast and cutting off the continuation of exploding and propagating; Concrete, automatic datonation-inhibition overcoat comprises the datonation-inhibition subsystem of automatic powder spraying and the datonation-inhibition subsystem of fine water mist dust removal.Initial stage when the present embodiment is blasted in coal mine roadway, the middle rank active Explosionsunter-druckungssystem of automatic datonation-inhibition overcoat mainly carries out active probe to the initial stage that blast produces, when detecting explosion time, explosion suppression device is reacted rapidly, spray datonation-inhibition material in the starting stage of blast, the energy that absorbing explodes produces, reduction oxygen concentration stop the expansion of blast and the continuation propagation of cut-out blast.
Automatic flame proof overcoat, for linking with described automatic datonation-inhibition overcoat, when described automatic datonation-inhibition overcoat detects explosion time, starting according to setting-up time and cutting off detonation propagation system; Concrete, automatic flame proof overcoat comprises the datonation-inhibition subsystem of automatic water bag.In the present embodiment, automatic flame proof overcoat links with middle rank active Explosionsunter-druckungssystem, when the probe of middle rank active Explosionsunter-druckungssystem detects the initial stage signal of blast, the explosion-proof water barrier in tunnel is started according to setting-up time, and the flame proof door of closing immediately in tunnel, the continuation cutting off blast is completely propagated.
The present embodiment coal mine roadway gas explosion multilayer proofing system also comprises intelligent management system, active forewarning overcoat, automatic datonation-inhibition overcoat, automatically flame proof overcoat are connected with intelligent management system respectively, for carrying out Real-Time Monitoring and record to described active forewarning overcoat, automatic datonation-inhibition overcoat, the automatically working condition of flame proof overcoat, and carry out real-time fault diagnosis to it.
The present embodiment coal mine roadway gas explosion multilayer proofing system by prime detonation factors detecting early-warning removal system, middle rank initiatively Explosionsunter-druckungssystem, rear class thoroughly cut off flare system and this four part of central control system and jointly complete multilayer proofing to coal mine roadway gas explosion, the multilayer realizing coal mine roadway gas explosion suppresses.
Embodiment 2
As shown in Figure 2, the present invention discloses a kind of coal mine roadway gas explosion multilayer proofing method further, and described multilayer proofing method is implemented on the basis of above-described embodiment coal mine roadway gas explosion multilayer proofing system.
Concrete, the present embodiment multilayer proofing method comprises the following steps:
First floor active forewarning protects
By gas density Monitor And Control Subsystem detection gas density, to exceed in early warning in limited time when detecting gas density, stronger ventilation amount;
By Dust Concentration probe detection Dust Concentration, when detecting Dust Concentration and exceeding capping, start the datonation-inhibition subsystem of fine water mist dust removal and carry out depositing dust;
By infrared thermal imaging Monitor And Control Subsystem and fiber optic temperature Monitor And Control Subsystem detection operations device temperature, reaching in limited time when detecting temperature, automatically cutting off working equipment power supply.
Concrete, in the present embodiment, the protection of first floor active forewarning is primarily of compositions such as gas density probe, poison gas concentration probe, Dust Concentration probe and hygrosensors, the each autoregressive parameter detected when these probes reaches the higher limit of setting, prime will send alarm signal, and starts corresponding device increasing exhaust amount, starts atomizer and carry out depositing dust or cut off equipment working power quitting work.
The automatic datonation-inhibition protection of the second layer
By optical detector, active flame detecting is carried out to the initial stage that blast produces, when detecting flame, the datonation-inhibition subsystem of automatic powder spraying and the datonation-inhibition subsystem of fine water mist dust removal spray datonation-inhibition material in the starting stage of blast, absorb energy, starvation that blast produces, stop the expansion of blast and cut off the continuation of exploding and propagate, suppress coal mine gas from explosion.
Concrete, in the present embodiment, the automatic datonation-inhibition protection of the second layer carries out active flame detecting mainly through optical detector to the initial stage that blast produces, when detecting explosive flame, explosion suppression device react rapidly blast starting stage spray datonation-inhibition material, the energy that absorbing explodes produces, starvation stop the expansion of blast and cut off the continuation of exploding to be propagated, and suppresses coal mine gas from explosion.
The automatic flame proof protection of third layer
When optical detector detects the initial stage signal of blast, start the datonation-inhibition subsystem of automatic water bag, and close the explosion proof door in tunnel according to setting-up time, the continuation cutting off blast is propagated.
In the present embodiment, the protection of third layer automatic flame proof links with the automatic datonation-inhibition protection of the second layer, when the probe of middle rank active Explosionsunter-druckungssystem detects the initial stage signal of blast, this one-level can start the explosion-proof water barrier in tunnel according to setting-up time, and the flame proof door of closing immediately in tunnel, the continuation cutting off blast is completely propagated; Central control system and intelligent management system are monitored and record one, two, three working condition in real time simultaneously, and carry out real-time fault diagnosis to it.
The initial stage early warning that the multilayer proofing method of the present embodiment can realize coal mine roadway is got rid of detonation factors and is stifled in the cradle by elimination by explosion; Initial stage active probe of exploding mid-term is sprayed datonation-inhibition material and blast is controlled at the little energized state of blast; Later stage starts explosion-proof water barrier, closedown flame proof goalkeeper is exploded and thoroughly cut off.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any one embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to the multiple explanatory embodiment of inventing, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of the open claim of the application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (8)
1. a coal mine roadway gas explosion multilayer proofing system, is characterized in that: it comprises:
Active forewarning overcoat, for detecting mine lane gas from explosion factor parameter, prescribe a time limit when described detonation factors parameter reaches in early warning, starting device reduces mine lane gas from explosion factor;
Automatic datonation-inhibition overcoat, for detecting the blast initial stage, when detecting explosion time, stoping the expansion of blast and cutting off the continuation of exploding and propagating;
Automatic flame proof overcoat, for linking with described automatic datonation-inhibition overcoat, when described automatic datonation-inhibition overcoat detects explosion time, starts flame proof system shutdown detonation propagation according to setting-up time;
Intelligent management system, described active forewarning overcoat, automatic datonation-inhibition overcoat, automatically flame proof overcoat are connected with described intelligent management system respectively, for carrying out Real-Time Monitoring location, data storage and fault diagnosis to described active forewarning overcoat, automatic datonation-inhibition overcoat, automatically flame proof overcoat.
2. coal mine roadway gas explosion multilayer proofing system according to claim 1, is characterized in that described active forewarning overcoat comprises: gas density Monitor And Control Subsystem, for goaf, upper even angle, face gas concentration monitor;
Infrared thermal imaging Monitor And Control Subsystem, for equipment spark, corona and belt fever monitoring;
Fiber optic temperature Monitor And Control Subsystem, for the temperature monitoring in tunnel rib, goaf;
Goaf index gas wireless monitor subsystem, is used in reference to mark gas concentration inspect; Described index gas comprises hydrogen sulfide, carbon monoxide;
Also comprise nitrogen/carbon-dioxide fire engine subsystem and the datonation-inhibition subsystem of fine water mist dust removal.
3. coal mine roadway gas explosion multilayer proofing system according to claim 1, is characterized in that described automatic datonation-inhibition overcoat comprises the datonation-inhibition subsystem of automatic powder spraying and the datonation-inhibition subsystem of fine water mist dust removal.
4. coal mine roadway gas explosion multilayer proofing system according to claim 1, is characterized in that described automatic flame proof overcoat comprises the datonation-inhibition subsystem of automatic water bag.
5. coal mine roadway gas explosion multilayer proofing system according to claim 1, is characterized in that described intelligent management system comprises wisdom line transmission location and data storage subsystem.
6. coal mine roadway gas explosion multilayer proofing system according to claim 2, is characterized in that described fiber optic temperature Monitor And Control Subsystem is passive gapless fiber optic temperature Monitor And Control Subsystem.
7. a coal mine roadway gas explosion multilayer proofing method, is characterized in that described method comprises the following steps:
First floor active forewarning protects
By gas density Monitor And Control Subsystem detection gas density, to exceed in early warning in limited time when detecting gas density, stronger ventilation amount;
By Dust Concentration probe detection Dust Concentration, when detecting Dust Concentration and exceeding capping, start the datonation-inhibition subsystem of fine water mist dust removal and carry out depositing dust;
By infrared thermal imaging Monitor And Control Subsystem and fiber optic temperature Monitor And Control Subsystem detection operations device temperature, reaching in limited time when detecting temperature, automatically cutting off working equipment power supply;
The automatic datonation-inhibition protection of the second layer
Carry out automatic flame detection by optical detector to the initial stage that blast produces, when detecting flame, explosion suppression device sprays datonation-inhibition medium in the starting stage of exploding and stops the expansion of blast and the continuation propagation cutting off blast, suppresses coal mine gas from explosion;
The automatic flame proof protection of third layer
When optical detector detects the initial stage signal of blast, start the datonation-inhibition subsystem of automatic water bag, and close the explosion proof door in tunnel according to setting-up time, the continuation cutting off blast is propagated.
8. coal mine roadway gas explosion multilayer proofing method according to claim 7, to it is characterized in that in the automatic datonation-inhibition protection of the described second layer when detecting flame, the datonation-inhibition subsystem of automatic powder spraying and the datonation-inhibition subsystem of fine water mist dust removal spray datonation-inhibition material in the starting stage of blast, absorb energy, starvation that blast produces, stop the expansion of blast and cut off the continuation of exploding and propagate, suppress coal mine gas from explosion.
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| CN201510175092.1A CN104806282B (en) | 2015-04-14 | 2015-04-14 | Multi-layer gas explosion protection system and method for coal mine tunnel |
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| CN201510175092.1A CN104806282B (en) | 2015-04-14 | 2015-04-14 | Multi-layer gas explosion protection system and method for coal mine tunnel |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106178363A (en) * | 2015-05-08 | 2016-12-07 | 抚顺市沃尔普机电设备有限公司 | Gas tube automatic powder spraying explosion-suppressing device |
| CN107178386A (en) * | 2017-07-24 | 2017-09-19 | 贵州大学 | A kind of system for preventing goaf coal body spontaneous combustion |
| CN108896116A (en) * | 2018-09-26 | 2018-11-27 | 中煤科工集团重庆研究院有限公司 | Coal powder leakage and explosion online monitoring method for large coal gasification device |
| CN109184798A (en) * | 2018-09-29 | 2019-01-11 | 贵州师范学院 | Methane monitoring system under karst landform |
| CN110201566A (en) * | 2018-11-15 | 2019-09-06 | 金方圆安全技术研究院（苏州）有限公司 | Dry dust removal system dust explosion protection intelligent control explosion suppression device |
| CN113090956A (en) * | 2021-04-01 | 2021-07-09 | 大连理工大学 | Partitioned active explosion-proof and explosion-suppression device and control method thereof |
| CN118091053A (en) * | 2024-04-25 | 2024-05-28 | 徐州江煤科技有限公司 | Goaf monitoring system for coal mine |
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| CN109184798B (en) * | 2018-09-29 | 2020-01-14 | 贵州师范学院 | Gas monitoring system under karst landform |
| CN110201566A (en) * | 2018-11-15 | 2019-09-06 | 金方圆安全技术研究院（苏州）有限公司 | Dry dust removal system dust explosion protection intelligent control explosion suppression device |
| CN113090956A (en) * | 2021-04-01 | 2021-07-09 | 大连理工大学 | Partitioned active explosion-proof and explosion-suppression device and control method thereof |
| CN113090956B (en) * | 2021-04-01 | 2022-04-12 | 大连理工大学 | Partitioned active explosion-proof and explosion-suppression device and control method thereof |
| CN118091053A (en) * | 2024-04-25 | 2024-05-28 | 徐州江煤科技有限公司 | Goaf monitoring system for coal mine |
| CN118091053B (en) * | 2024-04-25 | 2024-07-02 | 徐州江煤科技有限公司 | Goaf monitoring system for coal mine |
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