CN109695468A - Underground coal mine is sprayed ground remote centralized control system - Google Patents
Underground coal mine is sprayed ground remote centralized control system Download PDFInfo
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- CN109695468A CN109695468A CN201811100282.7A CN201811100282A CN109695468A CN 109695468 A CN109695468 A CN 109695468A CN 201811100282 A CN201811100282 A CN 201811100282A CN 109695468 A CN109695468 A CN 109695468A
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- ground
- centralized control
- control system
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- 239000003245 coal Substances 0.000 title claims abstract description 33
- 239000000428 dust Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000003068 static effect Effects 0.000 claims abstract description 5
- 230000002706 hydrostatic effect Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 15
- 238000000151 deposition Methods 0.000 abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 238000005507 spraying Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 208000010086 Hypertelorism Diseases 0.000 description 1
- 206010020771 Hypertelorism of orbit Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000012546 transfer 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
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- 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
-
- 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)
Abstract
The invention discloses underground coal mines to be sprayed ground remote centralized control system, including the main controller being mounted in ground level control room, it is mounted on the Network Outstation Used between mine and ground, tunnel below ground and the underground control module in tunnel described in underground, it is provided with static pressure pond on ground, is provided with the pressure reducing valve on the transmission water pipe.Beneficial effect is: 1, can carry out auxiliary control by existing safety production monitoring system, avoid and install ancillary equipment once again, significantly reduce use cost；2, depositing dust is sprayed centralized control, forms control based on network, and monitoring room sets personal management, can it is automatic, manually control, reduce underground construction personnel and artificially do not open spraying, tunnel and do not rush dirt phenomenon, significantly improve dust-laying effect, improve working environment at coal mines, realizes safety in production；3, it reduces underworkings and rushes dirt personnel, reduce personnel labor intensity, increase mine benefit, improve mine safety reliability.
Description
Technical field
The present invention relates to mining equipment technical fields, are sprayed ground long-distance centralized control system more particularly to underground coal mine
System.
Background technique
As science and technology continues to develop, people more focus on working environment while increasing work efficiency.Coal
Charcoal dust is not only easy that worker is made to suffer from pneumoconiosis, but also is easy spontaneous combustion, leads to coal-dust explosion etc..In addition, dust concentration is higher
Place is easy to make the service life of machinery equipment to reduce, and reduces the visibility of production scene, influences to keep the safety in production.
Mine laneway is more, and tunnel rushes dirt heavy workload.Especially winter-spring season is air-dried, and is even more increased tunnel and is rushed dirt
Number, then there is upper go-downhill roadway to rush dirt, labor intensity of workers is very big, individual tunnels dryings often occurs or has dust accumulation situation.Mine
The main section tunnel of well intake rushes dirt can adhere to substantially, remote tunnel rush dirt number it is less or it is long-term nobody to rush dirt etc. existing
As.
The Chinese patent of Publication No. CN203463142U discloses a kind of underground coal mine spraying dust firing device, belongs to and remove
Dirt equipment technical field, the effect of the spraying firing dust for improving underground coal mine.Its technical solution is: it includes water route part:
Ground pond, water pipe, threeway, transverse tube, elbow, sparge pipe, nozzle；Detect control section: host, substation, transmission cable, control
Switch, infrared sensor, dust sensor, humidity sensor, water flow sensing unit, solenoid valve etc..
Above-mentioned patent is there are equipment automatic control degree is low during actual use, and spraying effect is poor, personnel
Large labor intensity needs additionally to install integral device, and function upgrading can not be carried out by existing monitoring system, and use cost is high
The problems such as, therefore we need to be further improved on this basis.
Summary of the invention
The object of the invention is that providing underground coal mine to solve the above-mentioned problems and being sprayed ground long-distance centralized control
System, the present invention take depositing dust to be sprayed modular design, improve dust-laying effect, and personnel can avoid personnel straight in terrestrial operation
It taps into well operations, improves practicability, reduce the labor intensity of personnel.
The present invention through the following technical solutions to achieve the above objectives:
Underground coal mine is sprayed ground remote centralized control system and is mounted on mine including the main controller being mounted in ground level control room
Network Outstation Used between well and ground, tunnel below ground and the underground control module in tunnel described in underground, ground
On be provided with static pressure pond, be provided with transmission water pipe below the hydrostatic pressing pond, be provided with the decompression on the transmission water pipe
Valve, the tunnel top are provided with water flow switch sensor, and water flow switch sensor two sides are provided with atomizer, institute
It states and is provided with infrared detector on the side wall of tunnel, the infrared detector side is provided with dust concentration detector, the tunnel
Bottom is provided with moisture detector.
In above structure, operator is when carrying out equipment using operation, the security monitoring system that can be installed by existing mine
System carries out auxiliary monitoring, and the underground control module is carried out atomizing spray depositing dust by the atomizer is controlled after signal, reaches
The purpose that spray system work in underground is controlled on to well, reduces artificial investment, reduces human factor not depositing dust, be obviously improved
Dust-laying effect.
In order to further increase the using effect that underground coal mine is sprayed ground remote centralized control system, the transmission water pipe
It is fixedly mounted at the top of the tunnel.
In order to further increase the using effect that underground coal mine is sprayed ground remote centralized control system, the transmission water pipe
Together with passing through flanged joint with the hydrostatic pressing pond, the pressure reducing valve is fixedly connected on the transmission water pipe by pipe collar,
The transmission water pipe other end is fixedly connected on above the tunnel by flange, is provided at the top of the pressure reducing valve for controlling
The solenoid valve of water flow opening and closing, reasonable selection atomizer adjust hydraulic pressure by pressure reducing valve, make spraying covering roadway full-fracture-surfacanchoring-rod, mist
Change granularity is moderate, and depositing dust, dust removing effects reach optimum state
In order to further increase the using effect that underground coal mine is sprayed ground remote centralized control system, the water flow switch sensing
Device is fastenedly connected at the top of tunnel by screw, and the atomizer is fastenedly connected at the top of the tunnel by screw, described
The sensor for flow cavitation result opening and closing is provided at the top of pressure reducing valve.
In order to further increase the using effect that underground coal mine is sprayed ground remote centralized control system, the infrared detection
Device inlay card is connected on the tunnel side wall, and the dust concentration detector is fastenedly connected by screw in the tunnel side wall
On.
In order to further increase the using effect that underground coal mine is sprayed ground remote centralized control system, the Humidity Detection
Device is securedly mounted on the tunnel ground by screw, and the static pressure pond is equipped with dust-proof pipe network system to underground.
In order to further increase the using effect that underground coal mine is sprayed ground remote centralized control system, it is atomized described in underground
Distance is 30-50m between spray head.
Compared with prior art, beneficial effects of the present invention are as follows:
1, auxiliary control can be carried out by existing safety production monitoring system, avoids and ancillary equipment is installed once again, significantly
Reduce use cost；
2, depositing dust is sprayed centralized control, forms control based on network.Monitoring room sets personal management, can it is automatic, manually control, reduce well
Lower construction personnel does not artificially open spraying.Dust-laying effect is significantly improved, working environment at coal mines is improved, realizes safety in production；
3, it reduces underworkings and rushes dirt personnel, reduce personnel labor intensity, increase mine benefit, improve mine safety reliability；
4, ground computer controls, and realizes intelligent automation, reduces artificial not depositing dust factor, improves the safety of equipment operation；
5, when fire occurs in underground, flame range is isolated in unlatching by spraying, controls the intensity of a fire, reduces hazard scope.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the workflow schematic diagram that underground coal mine of the present invention is sprayed ground remote centralized control system；
Fig. 2 is the installation site structural schematic diagram that underground coal mine of the present invention is sprayed ground remote centralized control system.
The reference numerals are as follows:
1, underground control module；2, Network Outstation Used；3, main controller；4, dust concentration detector；5, tunnel；6, water pipe is transmitted；7,
Hydrostatic pressing pond；8, pressure reducing valve；9, atomizer；10, infrared detector；11, moisture detector；12, water flow switch sensor.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Embodiment one:
As Figure 1-Figure 2, underground coal mine is sprayed ground remote centralized control system, including the master being mounted in ground level control room
Control machine 3 is mounted on Network Outstation Used 2, tunnel 5 below ground and the underground in underworkings 5 between mine and ground
Control module 1 is provided with hydrostatic pressing pond 7 on ground, and transmission water pipe 6 is provided with below hydrostatic pressing pond 7, transmits and is arranged on water pipe 6
There is pressure reducing valve 8, since the distance of ground distance underground is excessive, hydraulic pressure is also excessively high, needs to install pressure reducing valve 8, it is ensured that dust-proof pipeline
Safety avoids hydraulic pressure is excessive connector or transmission water pipe 6 is caused to crack, is provided with water flow switch sensor 12, water flow at the top of tunnel 5
Switch sensor 12 can send a warning in time when equipment runs and breaks down to be understood to set convenient for operator
Standby maintenance, 12 two sides of water flow switch sensor are provided with atomizer 9, infrared detector 10 are provided on 5 side wall of tunnel, red
External detector 10 can detecte the motion profile of underground work personnel, and 10 side of infrared detector is provided with dust concentration detector
4, dust concentration detector 4 detects the dust concentration in tunnel 5, and 5 bottom of tunnel is provided with moisture detector 11, moisture detector
Moisture condition in 11 detection tunnels 5.
In above structure, operator is when carrying out equipment using operation, the security monitoring system that can be installed by existing mine
System carries out auxiliary monitoring, and the situation of underground is observed by the subsidiary camera of existing auxiliary monitoring system, when equipment uses
When, operator can carry out the setting that equipment runs program by main controller 3, due to the hypertelorism in ground distance tunnel 5,
In order to avoid signal decaying, need to control signal be transmitted to recompiled at Network Outstation Used 2 after be transmitted to underground control
It is controlled at module 1, underground control module 1 is mounted on lane by the progress atomizing spray depositing dust of atomizer 9 is controlled after signal
Dust concentration detector 4 on 5 side wall of road can carry out implementing monitoring to environment in tunnel 5, when dust concentration reaches pre- in tunnel 5
If dust concentration detector 4 is sent a signal at underground control module 1 when value, underground control module 1 controls atomizer 9 and pushes up
The solenoid valve in portion is opened, and in order to ensure equipment working state, the water flow switch sensor 12 at 5 top of tunnel can be to control pressure reducing valve
8 work, while the flow regime of the water flow inside transfer conduit 6 is detected, to ensure that equipment operates normally, reduce failure
Rate, water flow enter progress nebulisation operation at atomizer 9 under the action of passing through gravity, carry out depositing dust, depositing dust to environment in tunnel 5
It is automatically stopped when being lower than preset value to dust in air concentration, in addition, with working as 11 operation detection of moisture detector of 5 bottom of tunnel
The degree of drying in face when avoiding humidity too low, generates fugitive dust, equally can repeat above-mentioned behaviour by underground control module 1 in tunnel 5
Make carry out atomized dust settling, the infrared detector 10 that the personnel inside tunnel 5 are mounted on 5 side wall of tunnel when moving can be examined
Survey personnel pass through, and when personnel enter spray region, infrared detector 10 can be sent a signal at underground control module 1, underground
Control module 1 controls solenoid valve and closes, and avoids having an impact staff atomizing spray, controls underground on well to reach
The purpose of spray system work avoids manpower caused by artificial spray and wastes, has been obviously improved dust-laying effect.
Embodiment two:
This implementation and the difference of embodiment one are:
In the present embodiment, it is 30-50m that spacing distance, which is arranged, according to wind speed between underground atomizer 9.
Specifically, setting can be set according to the different situations in tunnel 5 in this way, help to promote spraying effect,
Ensure that spray area can cover entire mine laneway 5, realizes auto-flushing tunnel.
In above structure, since tunnel 5 is by 5 part concrete compositions, respectively enters the wind main entry, belt lane, return air main entry, adopts
Coal working face and driving face, wherein when infrared detector 10, the dust concentration detector in air inlet main entry and return air main entry
4 and the work of moisture detector 11 when issuing working signal, the circuit breaker inside underground control module 1, which works, connects circuit, and
Signal transmission is carried out by PLC controller, control solenoid valve carries out the operation that spray dust is completed in work, in order to avoid equipment event
When barrier, depositing dust work can not start, and designing has manual switch that can open the wind power ganged of underground works by spraying, and promotion is set
Standby service efficiency；
When transmission device is started to work in belt lane, the belt on-off transducer being arranged on transmission mechanism sends a signal to well
In circuit breaker inside lower control module 1, equipment repeats aforesaid operations later, completes defogging operation；
When the power transmission mechanism work on coal working face and driving face, on-off transducer work thereon sends signal
In circuit breaker inside to underground control module 1, equipment repeats aforesaid operations later, defogging operation is completed, in coal working face
Be again provided with manual switch in driving face, while in coalcutter work, the coal machine high pressure spray that is mounted on coal machine
Mist carries out the atomized dust settling operation of coal working face by the transmission of transmission water pipe 6, equally, in development machine work, is mounted on
Development machine high-pressure fog on development machine can be operated by the atomized dust settling that the transmission of transmission water pipe 6 carries out driving face.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.
Claims (7)
1. underground coal mine is sprayed ground remote centralized control system, it is characterised in that: including the master being mounted in ground level control room
Control machine (3) is mounted on the Network Outstation Used (2) between mine and ground, tunnel (5) below ground and is located at tunnel described in underground
(5) the underground control module (1) in is provided with static pressure pond (7) on ground, is provided with transmission below the hydrostatic pressing pond (7)
Water pipe (6) is provided with the pressure reducing valve (8) on the transmission water pipe (6), and water flow switch biography is provided at the top of the tunnel (5)
Sensor (12), water flow switch sensor (12) two sides are provided with atomizer (9), are arranged on tunnel (5) side wall
Have infrared detector (10), infrared detector (10) side is provided with dust concentration detector (4), tunnel (5) bottom
Portion is provided with moisture detector (11).
2. underground coal mine according to claim 1 is sprayed ground remote centralized control system, it is characterised in that: the transmission
Water pipe (6) is fixedly mounted at the top of the tunnel (5).
3. underground coal mine according to claim 1 is sprayed ground remote centralized control system, it is characterised in that: the transmission
Water pipe (6) and the hydrostatic pressing pond (7) are by the way that together with flanged joint, the pressure reducing valve (8) is fixedly connected on institute by pipe collar
It states in transmission water pipe (6), transmission water pipe (6) other end is fixedly connected on above the tunnel (5) by flange, described to subtract
The sensor for flow cavitation result opening and closing is provided at the top of pressure valve (8).
4. underground coal mine according to claim 1 is sprayed ground remote centralized control system, it is characterised in that: the water flow
Switch sensor (12) is fastenedly connected at the top of tunnel (5) by screw, and the atomizer (9) is fastenedly connected by screw
At the top of the tunnel (5).
5. underground coal mine according to claim 1 is sprayed ground remote centralized control system, it is characterised in that: described infrared
Detector (10) inlay card is connected on the tunnel (5) side wall, and the dust concentration detector (4) is fastenedly connected by screw
On tunnel (5) side wall.
6. underground coal mine according to claim 1 is sprayed ground remote centralized control system, it is characterised in that: the humidity
Detector (11) is securedly mounted on the tunnel (5) ground by screw, and the static pressure pond (7) is equipped with dust-proof to underground
Pipe network system.
7. underground coal mine according to claim 1 is sprayed ground remote centralized control system, it is characterised in that: described in underground
It is 30-50m that spacing distance can be arranged between atomizer (9) according to wind speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100282.7A CN109695468A (en) | 2018-09-20 | 2018-09-20 | Underground coal mine is sprayed ground remote centralized control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100282.7A CN109695468A (en) | 2018-09-20 | 2018-09-20 | Underground coal mine is sprayed ground remote centralized control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109695468A true CN109695468A (en) | 2019-04-30 |
Family
ID=66229713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811100282.7A Pending CN109695468A (en) | 2018-09-20 | 2018-09-20 | Underground coal mine is sprayed ground remote centralized control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN109695468A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554949A (en) * | 2020-12-15 | 2021-03-26 | 太原理工大学 | Coal mine underground positioning dust removal system |
| CN113323713A (en) * | 2021-05-19 | 2021-08-31 | 陕西延长石油矿业有限责任公司 | Belt fire automatic control method based on static partition |
| CN114352338A (en) * | 2021-12-30 | 2022-04-15 | 中煤科工集团沈阳研究院有限公司 | Mine ventilation system based on coal mining |
| CN118462173A (en) * | 2024-07-15 | 2024-08-09 | 华能庆阳煤电有限责任公司 | Underground mining implementation and monitoring method and system based on wireless network |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696001A (en) * | 2015-03-05 | 2015-06-10 | 辽宁工程技术大学 | Coal mine dust reduction system |
| CN105673062A (en) * | 2016-04-08 | 2016-06-15 | 安徽晶辉矿山科技有限公司 | Automatic spray dust suppression device for overrun of dust concentration |
-
2018
- 2018-09-20 CN CN201811100282.7A patent/CN109695468A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696001A (en) * | 2015-03-05 | 2015-06-10 | 辽宁工程技术大学 | Coal mine dust reduction system |
| CN105673062A (en) * | 2016-04-08 | 2016-06-15 | 安徽晶辉矿山科技有限公司 | Automatic spray dust suppression device for overrun of dust concentration |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554949A (en) * | 2020-12-15 | 2021-03-26 | 太原理工大学 | Coal mine underground positioning dust removal system |
| CN113323713A (en) * | 2021-05-19 | 2021-08-31 | 陕西延长石油矿业有限责任公司 | Belt fire automatic control method based on static partition |
| CN113323713B (en) * | 2021-05-19 | 2023-07-18 | 陕西延长石油矿业有限责任公司 | Belt fire automatic control method based on static subareas |
| CN114352338A (en) * | 2021-12-30 | 2022-04-15 | 中煤科工集团沈阳研究院有限公司 | Mine ventilation system based on coal mining |
| CN118462173A (en) * | 2024-07-15 | 2024-08-09 | 华能庆阳煤电有限责任公司 | Underground mining implementation and monitoring method and system based on wireless network |
| CN118462173B (en) * | 2024-07-15 | 2024-09-20 | 华能庆阳煤电有限责任公司 | Underground mining implementation and monitoring method and system based on wireless network |
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Application publication date: 20190430 |