Short distance high gas layer group's thin coal seam unmanned working face mining device and method
Technical field
The present invention relates to a kind of thin coal seam unmanned working face mining device and method, especially a kind of short distance high methane coal
Layer group's thin coal seam unmanned working face mining device and method.
The present invention relates to a kind of coal mining method, specifically a kind of difficulty adopts thin coal seam unmanned working face mining method, answers
For girdle high-quality coal resource exploitation, the pressure-relief outburst-prevention of short distance high gas layer group and impact ground in coal mine underground exploitation
Press prevention and control field.
Background technique
By the exploitation of many years, middle thick and high seam the reserves of many regional mine in China have been approached exhaustion, and for
The exploitation of girdle (thickness≤1.3m), for a long time due to economic technology and safety etc. and in the state slowly developed.I
The recoverable reserves of girdle is about 61.5 hundred million t in state's coal reserves, and 19% or so of the total recoverable reserves of Zhan Quanguo coal, however according to
Incomplete statistics, the annual output of China's girdle only account for 10.4% or so of national coal total output, the ratio of yield and reserves
Numerous imbalances.In recent years, with the promotion of girdle coal excavation apparatus manufacturing technology and automated control technology, and country is to money
The safety and high efficiency of the raising of the requirement of source rational exploitation and utilization, girdle is paid more and more attention.Sufficiently to develop and utilize
Limited mineral resources, solve the problems, such as long-standing problem girdle safety and high efficiency development " one big three is low ", improve mine
The economic benefit and social benefit of enterprise, increasing, which seems to the research and discussion of girdle safety and high efficiency technology, very must
It wants.
The many mining areas in China all there is girdle high-quality coal resource, bump is dangerous, coal and gas prominent is dangerous,
The mining conditions of short distance high gas layer group, in order to realize the release of neighbouring high methane high-lighting coal seam group, often selection will be thin
Coal seam is exploited as Protective Coal Seam, however thin seam working surface mining height is lower, the recovery method traditional for girdle, worker
Working face or the operation difficulty in working face are entered and left, large labor intensity, production efficiency are low;And it is limited by bulk, work
It is intensive to make face equipment arrangement, seriously affects ventilation effect, causes dust and gas that should not exclude, the health of worker is caused
Greatly damage.
Summary of the invention
The invention aims to provide short distance high gas layer group's thin coal seam unmanned working face mining device and method,
It solves in thin seam mining, worker enters and leaves working face or the operation difficulty in working face, and large labor intensity, production efficiency are low
The problem of.
The object of the present invention is achieved like this: short distance high gas layer group's thin coal seam unmanned working face mining includes opening
Adopt equipment and recovery method;
Winning apparatus includes: mining intrinsic safety multi-functional terminal end, ring bus, bracing wire emergency stop switch and the electricity that can converse
Words;A bracing wire emergency stop switch is filled every 100 meter amperes, filling one every 200 meter amperes can talk phone;
Centralized-control center, essential safety input and output and multifunctional combination phone are arranged in intake entry;Mining
Matter multifunctional safety terminal is connected by ring bus and centralized-control center, essential safety input and output and multifunctional combination phone
It connects;
Drag conveyor, short fuselage flitting, latch switch, infrared receiver sensing are arranged in manless working face
Device and hydraulic support;Drag conveyor is connected to one end of short fuselage flitting, is connected in the side of drag conveyor
Hydraulic support;Latch switch and infrared receiver sensor are connected on ring bus;
Arranged in haulage way, crusher, elevating conveyor, bracing wire emergency stop switch, can talk phone, rubber conveyer, pump
It stands and substation;Crusher, elevating conveyor and rubber conveyer are linked in sequence;, bracing wire emergency stop switch, can talk phone, adhesive tape it is defeated
Machine, pumping plant and substation is sent to be connected on ring bus.
The centralized-control center includes: mining intrinsic safety power supply box, electrichydraulic control platform, Master Monitor, communication control
Platform processed;Mining intrinsic safety power supply box, electrichydraulic control platform, Master Monitor and communication console are connected on ring bus.
Coal mining environment monitoring sensor, stability of cavern roof monitoring sensor are connected on the input terminal of essential safety input and output
With sensor of buying securities with all one's capital;Coal mining environment monitoring sensor, stability of cavern roof monitoring sensor and sensor of buying securities with all one's capital are defeated by essential safety
Enter the output end output of output.
The electrichydraulic control platform is connect with hydraulic support, infrared receiver sensor;Master Monitor and drag conveyor,
Short fuselage flitting, crusher, elevating conveyor, rubber conveyer, pumping plant are connected with mobile substation;Communication console and more
Function combined telephone, latch switch, bracing wire emergency stop switch with can talk phone connect;The air inlet centralized-control center is drawn
Ring bus.
Coalcutter coal cutting for the first time uses manual manipulation mode, cutting information, the fortune acquired needed for main monitoring computer stored
Row data, later coal cutting circulation is that coalcutter coal cutting program is automatically modified according to the data stored during last cutting,
In order to realize that short fuselage flitting remembers automatic coal cutting.
The ring bus and mining intrinsic safety multi-functional terminal end, essential safety input and output, coal mining environmental monitoring
Sensor, stability of cavern roof monitoring sensor, the monitoring sensor connection of coal bunker position in storehouse.
One infrared receiver sensor is installed on each frame hydraulic support, is controlled in order to realize that bracket is automated with machine
System;One latch switch is installed every 15 meters or 10 frame brackets.
Recovery method: Master Monitor using general monitoring substation real-time monitoring working face coal mining environment, stability of cavern roof,
Coal bunker position in storehouse and detection device operating condition;Electrichydraulic control platform monitor hydraulic support operating condition, using bracket infrared sensor to mine
Seat in the plane, which is set to, to be configured according to realization with machine automation control and control parameter;Communication Control platform is monitored on-line using monitoring host computer
Data Management Analysis as a result, completing working face sequence start and stop, being automatically controlled with machine, automatic Memory coal cutting control, automatic control
Control equipment operation and control parameter configuration, realize that hardly possible adopts the automation, unmanned of thin seam working surface coal mining.
Specific step is as follows:
(1), firstly, disk will be adopted or exploiting field is divided into section, arrangement stope is moved towards along girdle in section, is opened
Dig stope drift active workings;Tailgate is dug above working face, lower section is dug haulage way, then conventionally opened
Eye, i.e. manless working face are cut, stope is formed;It is selected according to live coal mine condition, crusher is arranged in haulage way, is turned
Carrier aircraft, rubber conveyer, pumping plant and mobile substation, the interior installation hydraulic support of manless working face, are scraped short fuselage flitting
Plate conveyer;
(2), manless working face coal mining system is installed, centralized-control center system is arranged in intake entry;
A. crusher, elevating conveyor, rubber conveyer, pumping plant and mobile substation are laid in haulage way, it is flat in air inlet
Assistant conveyance orbit mine car is laid in lane;
B. hydraulic support, short fuselage flitting and drag conveyor are installed in manless working face;
C. arrange that centralized-control center, installation Master Monitor, electrichydraulic control platform and communication console are matched in intake entry
Set mine explosion-suppression and intrinsic safety power supply box one;From centralized-control center draw ring bus, for connect each equipment of working face and
Sensor arranges an essential safety input and output in intake entry, steady for connecting coal mining environment monitoring sensor, top plate
Surely sensor is monitored, a multifunctional combination phone is arranged in scraper conveyor tail, convenient for the start and stop scraper plate in intake entry
Conveyer and short fuselage flitting;In manless working face, one latch switch is installed every 15 meters or 10 frame brackets, is used
In the short fuselage flitting of start and stop at any time and drag conveyor;In haulage way, at crusher and elevating conveyor, it is respectively arranged
One multifunctional combination phone is arranged two essential safety input and output, is used for for controlling the start and stop of crusher and elevating conveyor
The connection of each equipment in coal mining environment monitoring sensor, stability of cavern roof monitoring sensor and working face;One is arranged at pumping plant
Multifunctional combination phone, for controlling the start and stop of pumping plant;Every 100 meters of arrangements, one bracing wire emergency stop switch in haulage way,
It can talk phone every 200 meters of arrangements one;
(3), manless working face real-time monitoring system
General monitoring substation is arranged in manless working face;Monitor sensor in coal bunker installation position in storehouse, in working face and
The sensors such as installation coal mining environmental monitoring, stability of cavern roof monitoring, install an infrared ray on each frame bracket in stope drift active workings
Receiving sensor, in rubber belt conveyor head, configuration speed sensor one, temperature relay one, misalignment sensor 2,
Heap coal sensor 1, smoke sensor device one;These data are transferred to air inlet centralized-control center prison by transmission network
Host is controlled, ground is then transferred data to by the transmission core network of mine, realizes the on-line monitoring to environment;
(4), process for stoping
Manless working face is not using staying Triangle Coal end to chamfer feed, two-ways coal cutting mode, and round trip is into two knives;Short machine
Body flitting uses manual manipulation mode, main monitoring computer using automatic coal cutting technology, coalcutter coal cutting for the first time is remembered
Cutting information, the operation data acquired needed for storage, later coal cutting circulation is according to the data stored during last cutting
Automatically modify coalcutter coal cutting program;Hydraulic support is using bracket infrared sensor using short fuselage coal winning machine position as foundation
It realizes immediate support top plate, move frame automatically with machine;
The specific steps are that: short fuselage flitting remembers automatic coal cutting, → flexible scratch board conveyor transporting coal of coalingging
→ hydraulic self-advancing support supporting roof → passage drag conveyor → cleaning float coal completes one action circulation;
(5), electrichydraulic control platform is realized with machine automation control, monitoring electrichydraulic control and control parameter configuration;Master Monitor
Utilize general monitoring substation real-time monitoring working face coal mining environment, stability of cavern roof, coal bunker position in storehouse and detection device operating condition;It is logical
Interrogate control platform using monitoring host computer online monitoring data processing analysis as a result, complete working face sequence start and stop, with machine from
Dynamic control, automatic Memory coal cutting control, automatic control equipment operation and control parameter configuration, and then realize that difficulty adopts girdle work
The automation, unmanned that face is mined.
Beneficial effect, as the above scheme is adopted, high degree of automation of the invention, productivity effect, safety and can
Good by property, can carrying out difficulty, to adopt girdle high-quality coal resource exploitation, Controlling of Coal Outburst, short distance high gas layer group's release anti-
Prominent short distance high gas layer group's thin coal seam unmanned working face mining.Worker only needs in air inlet centralized-control center internal control
System and monitoring, worker is freed out of thin seam working surface, labor intensity of workers is reduced, improves production efficiency and peace
Full situation has sufficiently exploited girdle high-quality coal resource, solves pressure-relief outburst-prevention and the impact of short distance high gas layer group
The problem of ground pressure prevention and treatment.It is reliable and stable in addition, since this recovery method is simple, in working face nobody, personnel safety, society's effect
Benefit and remarkable in economical benefits.It solves in thin seam mining, worker enters and leaves working face or the operation difficulty in working face, labor
The problem that fatigue resistance is big, production efficiency is low, has reached the purpose of the present invention.
Advantage: unmanned coal face mining method of the invention, worker only need in the centralized-control center of tunnel control and
Monitoring, worker is freed out of thin seam working surface, reduces labor intensity of workers, improves production efficiency and safe shape
Condition.Manless working face coal-mining technique is the important channel for solving coal industry safety in production and sustainable development, especially for
The safety and high efficiency of girdle is slowly adopted in China's long-run development even in the difficulty of dead state, will have grand strategy meaning
Justice.
Detailed description of the invention:
Fig. 1 is system arrangement schematic diagram of the invention.
Fig. 2 is System control structures figure of the invention.
In figure: 1, mining intrinsic safety multi-functional terminal end;2, air inlet centralized-control center;3, mining intrinsic safety power supply
Case;4, electrichydraulic control platform;5, Master Monitor;6, communication console;7, ring bus;8, intake entry;9, essential safety inputs
Output;10, coal mining environment monitoring sensor;11, stability of cavern roof monitors sensor;12, multifunctional combination phone;13, scraper plate is defeated
Send machine;14, short fuselage flitting;15, latch switch;16, manless working face;17, infrared receiver sensor;18, liquid
Press bracket;19, crusher;20, elevating conveyor;21, haulage way;22, bracing wire emergency stop switch;It 23, can talk phone;24, adhesive tape
Conveyer;25, pumping plant;26, substation;27, it buys securities with all one's capital sensor.
Specific embodiment
Short distance high gas layer group's thin coal seam unmanned working face mining includes winning apparatus and recovery method;
Winning apparatus includes: mining intrinsic safety multi-functional terminal end 1, ring bus 7, bracing wire emergency stop switch 22 and can converse
Phone 23;A bracing wire emergency stop switch 22 is filled every 100 meter amperes, filling one every 200 meter amperes can talk phone 23;
Centralized-control center 2, essential safety input and output 9 and multifunctional combination phone 12 are arranged in intake entry 8;Mine
Pass through ring bus 7 and centralized-control center 2, essential safety input and output 9 and multi-functional group with essential safety multi-functional terminal end 1
Phone 12 is closed to connect;
Drag conveyor 13, short fuselage flitting 14, latch switch 15, infrared ray are arranged in manless working face 16
Receiving sensor 17 and hydraulic support 18;Drag conveyor 13 is connected to one end of short fuselage flitting 14, defeated in scraper plate
The side of machine 13 is sent to be connected with hydraulic support 18;Latch switch 15 and infrared receiver sensor 17 are connected on ring bus 7;
The arrangement in the haulage way (21), crusher 19, elevating conveyor 20, bracing wire emergency stop switch 22, can talk phone 23, glue
Band conveyer 24, pumping plant 25 and substation 26;Crusher 19, elevating conveyor 20 and rubber conveyer 24 are linked in sequence;, bracing wire emergency stop
Switch 22, can talk phone 23, rubber conveyer 24, pumping plant 25 and substation 26 be connected on ring bus 7.
The centralized-control center 2 includes: mining intrinsic safety power supply box 3, electrichydraulic control platform 4, Master Monitor 5, leads to
Interrogate console 6;Mining intrinsic safety power supply box 3, electrichydraulic control platform 4, Master Monitor 5 and communication console 6 are connected to annular total
On line 7.
Coal mining environment monitoring sensor 10 is connected on the input terminal of essential safety input and output 9, stability of cavern roof monitoring passes
Sensor 11 and sensor 27 of buying securities with all one's capital;Coal mining environment monitoring sensor 10, stability of cavern roof monitoring sensor 11 and sensor 27 of buying securities with all one's capital
It is exported by the output end of essential safety input and output 9.
The electrichydraulic control platform 4 is connect with hydraulic support 18, infrared receiver sensor 17;Master Monitor 5 and scraper plate
Conveyer 13, short fuselage flitting 14, crusher 19, elevating conveyor 20, rubber conveyer 24, pumping plant 25 and mobile substation
26 connections;Communication console 6 and multifunctional combination phone 12, latch switch 15, bracing wire emergency stop switch 22 and can talk phone 23
Connection;The air inlet centralized-control center 2 draws ring bus 7.
The cutting information of acquisition needed for the coal cutting for the first time of coalcutter 14 uses manual manipulation mode, main monitoring computer 5 to store,
Operation data, later coal cutting circulation is that coalcutter coal cutting journey is automatically modified according to the data stored during last cutting
Sequence, in order to realize that short fuselage flitting 14 remembers automatic coal cutting.
The ring bus 7 is supervised with mining intrinsic safety multi-functional terminal end 1, essential safety input and output 9, coal mining environment
Sensor 10, stability of cavern roof monitoring sensor 11, coal bunker position in storehouse monitoring sensor 26 is surveyed to connect.
One infrared receiver sensor 17 is installed on each frame hydraulic support 18, in order to realize that bracket is automated with machine
Control;One latch switch 15 is installed every 15 meters or 10 frame brackets.
Recovery method: Master Monitor using general monitoring substation real-time monitoring working face coal mining environment, stability of cavern roof,
Coal bunker position in storehouse and detection device operating condition;Electrichydraulic control platform monitor hydraulic support operating condition, using bracket infrared sensor to mine
Seat in the plane, which is set to, to be configured according to realization with machine automation control and control parameter;Communication Control platform is monitored on-line using monitoring host computer
Data Management Analysis as a result, completing working face sequence start and stop, being automatically controlled with machine, automatic Memory coal cutting control, automatic control
Control equipment operation and control parameter configuration, realize that hardly possible adopts the automation, unmanned of thin seam working surface coal mining.
Specific step is as follows:
(1), firstly, disk will be adopted or exploiting field is divided into section, arrangement stope is moved towards along girdle in section, is opened
Dig stope drift active workings;Tailgate is dug above working face, lower section is dug haulage way, then conventionally opened
Eye, i.e. manless working face 16 are cut, stope is formed;It is selected according to live coal mine condition, the interior arrangement crusher of haulage way,
Elevating conveyor, rubber conveyer, pumping plant and mobile substation, installation hydraulic support in manless working face, short fuselage flitting,
Drag conveyor;
(2), manless working face coal mining system is installed, centralized-control center system is arranged in intake entry;
A. crusher, elevating conveyor, rubber conveyer, pumping plant and mobile substation are laid in haulage way, it is flat in air inlet
Assistant conveyance orbit mine car is laid in lane;
B. hydraulic support, short fuselage flitting and drag conveyor are installed in manless working face;
C. arrange that centralized-control center, installation Master Monitor, electrichydraulic control platform and communication console are matched in intake entry
Set mine explosion-suppression and intrinsic safety power supply box one;From centralized-control center draw ring bus, for connect each equipment of working face and
Sensor arranges an essential safety input and output in intake entry, steady for connecting coal mining environment monitoring sensor, top plate
Surely sensor is monitored, a multifunctional combination phone is arranged in scraper conveyor tail, convenient for the start and stop scraper plate in intake entry
Conveyer and short fuselage flitting;In manless working face, one latch switch is installed every 15 meters or 10 frame brackets, is used
In the short fuselage flitting of start and stop at any time and drag conveyor;In haulage way, at crusher and elevating conveyor, it is respectively arranged
One multifunctional combination phone is arranged two essential safety input and output, is used for for controlling the start and stop of crusher and elevating conveyor
The connection of each equipment in coal mining environment monitoring sensor, stability of cavern roof monitoring sensor and working face;One is arranged at pumping plant
Multifunctional combination phone, for controlling the start and stop of pumping plant;Every 100 meters of arrangements, one bracing wire emergency stop switch in haulage way,
It can talk phone every 200 meters of arrangements one;
(3), manless working face real-time monitoring system
General monitoring substation is arranged in manless working face;Monitor sensor in coal bunker installation position in storehouse, in working face and
The sensors such as installation coal mining environmental monitoring, stability of cavern roof monitoring, install an infrared ray on each frame bracket in stope drift active workings
Receiving sensor, in rubber belt conveyor head, configuration speed sensor one, temperature relay one, misalignment sensor 2,
Heap coal sensor 1, smoke sensor device one;These data are transferred to air inlet centralized-control center prison by transmission network
Host is controlled, ground is then transferred data to by the transmission core network of mine, realizes the on-line monitoring to environment;
(4), process for stoping
Manless working face is not using staying Triangle Coal end to chamfer feed, two-ways coal cutting mode, and round trip is into two knives;Short machine
Body flitting uses manual manipulation mode, main monitoring computer using automatic coal cutting technology, coalcutter coal cutting for the first time is remembered
Cutting information, the operation data acquired needed for storage, later coal cutting circulation is according to the data stored during last cutting
Automatically modify coalcutter coal cutting program;Hydraulic support is using bracket infrared sensor using short fuselage coal winning machine position as foundation
It realizes immediate support top plate, move frame automatically with machine;
The specific steps are that: short fuselage flitting remembers automatic coal cutting, → flexible scratch board conveyor transporting coal of coalingging
→ hydraulic self-advancing support supporting roof → passage drag conveyor → cleaning float coal completes one action circulation;
(5), electrichydraulic control platform is realized with machine automation control, monitoring electrichydraulic control and control parameter configuration;Master Monitor
Utilize general monitoring substation real-time monitoring working face coal mining environment, stability of cavern roof, coal bunker position in storehouse and detection device operating condition;It is logical
Interrogate control platform using monitoring host computer online monitoring data processing analysis as a result, complete working face sequence start and stop, with machine from
Dynamic control, automatic Memory coal cutting control, automatic control equipment operation and control parameter configuration, and then realize that difficulty adopts girdle work
The automation, unmanned that face is mined.
Embodiment 1: specific implementation step of the present invention is illustrated in conjunction with attached drawing 1:
1, arrangement stope is moved towards along girdle in predetermined exploiting field, digs intake entry 8 and haulage way 21, air inlet
Orbit mine car is laid in gallery, arrangement crusher 19, elevating conveyor 20, rubber conveyer 24, pumping plant 25, movement become in haulage way
Power station 26, manless working face 16 is interior to install drag conveyor 13, short fuselage flitting 14, hydraulic support 18;
2, centralized-control center 2 is arranged in intake entry, mining intrinsic safety power supply box 3 is installed, and is centralized control system
System power supply;Electrichydraulic control platform 4, Master Monitor 5 and communication console 6 are installed;
3, ring bus 7 is drawn from air inlet centralized-control center 2, for connecting each equipment of working face and sensor,
An essential safety input and output 9 are arranged in intake entry, for connecting coal mining environment monitoring sensor 10, stability of cavern roof monitoring
Sensor 11 arranges a multifunctional combination phone 12 in 13 tail of drag conveyor, convenient for the start and stop scraper plate in intake entry
Conveyer 13 and short fuselage flitting 14;In manless working face 16, one locking is installed every 15 meters or 10 frame brackets
Switch 15 is used for the short fuselage flitting 14 of start and stop at any time and drag conveyor 13;In haulage way 21, in 19 He of crusher
At elevating conveyor 20, it is respectively arranged a multifunctional combination phone 12, for controlling the start and stop of crusher 19 and elevating conveyor 20, is arranged
Two essential safety input and output 9, in environment monitoring sensor 10 of mining, stability of cavern roof monitoring sensor 11 and working face
The connection of each equipment;A multifunctional combination phone 12 is arranged at pumping plant 25, for controlling the start and stop of pumping plant 25;It is flat in transport
It, can talk phone 23 every 200 meters of arrangements one every 100 meters of arrangements, one bracing wire emergency stop switch 22 in lane 21.
4, general monitoring substation is arranged in manless working face.In manless working face 16, intake entry 8 and haulage way
Installation coal mining environment monitoring sensor 10, stability of cavern roof monitor sensor 11 in 21;Sensor 27 is monitored in coal bunker installation position in storehouse;
Infrared receiver sensor 17 is installed on each frame hydraulic support 18;In 24 head of rubber conveyer, configuration speed sensor one
Platform, temperature relay one, misalignment sensor 2, heap coal sensor 1, smoke sensor device one.By transmission network by this
A little data are transferred to tunnel centralized-control center monitoring host computer 5, then can be transmitted data by the transmission core network of mine
To ground, to realize the real time monitoring to manless working face related data.
5, manless working face is not using staying Triangle Coal end to chamfer feed, two-ways coal cutting mode, and round trip is into two knives.It is short
Fuselage flitting 14 uses manual manipulation mode, main monitoring using automatic coal cutting technology, the coal cutting for the first time of coalcutter 14 is remembered
Cutting information, the operation data that computer 5 acquires needed for storing, later coal cutting circulation is stored according to during last cutting
Data automatically modify coalcutter coal cutting program;Hydraulic support 18 is by infrared sensor 17 with short fuselage flitting
14 position is to move frame automatically according to realization immediate support top plate, with machine.The specific steps are that: short fuselage flitting 14 is remembered
Recall automatic coal cutting, coaling → flexible 13 transporting coal of scratch board conveyor → 18 supporting roofs of hydraulic self-advancing support → passage scraper plate is defeated
Machine 13 → cleaning float coal is sent, one action circulation is completed.
In Fig. 2, the coal seam group near interval thin coal seam unmanned working face mining method, described in System control structures
It is tunnel centralized-control center, including electrichydraulic control platform, Master Monitor, communication console.Master Monitor is supervised using general monitoring
Control substation real-time monitoring working face coal mining environment, stability of cavern roof, coal bunker position in storehouse and detection device operating condition;Electrichydraulic control platform monitors liquid
It presses bracket operating condition, realized for foundation with machine automation control and control parameter using bracket infrared sensor with coal winning machine position
Configuration;Communication Control platform using monitoring host computer online monitoring data processing analysis as a result, complete working face sequence start and stop,
With machine automatic control, automatic Memory coal cutting control, automatic control equipment operation and control parameter configuration, and then realize that difficulty adopts bog-head coal
The automation, unmanned that layer working face is mined.