CN104653182B - A kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted - Google Patents

A kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted Download PDF

Info

Publication number
CN104653182B
CN104653182B CN201410621671.XA CN201410621671A CN104653182B CN 104653182 B CN104653182 B CN 104653182B CN 201410621671 A CN201410621671 A CN 201410621671A CN 104653182 B CN104653182 B CN 104653182B
Authority
CN
China
Prior art keywords
coal
working
crossheading
cash
mining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201410621671.XA
Other languages
Chinese (zh)
Other versions
CN104653182A (en
Inventor
代进
谭云亮
张伟
相啸宇
马植胜
蔡来生
陈宫
王忠武
杨富强
王帅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong University of Science and Technology
Beijing Haohua Energy Resource Co Ltd
Original Assignee
Shandong University of Science and Technology
Beijing Haohua Energy Resource Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong University of Science and Technology, Beijing Haohua Energy Resource Co Ltd filed Critical Shandong University of Science and Technology
Priority to CN201410621671.XA priority Critical patent/CN104653182B/en
Publication of CN104653182A publication Critical patent/CN104653182A/en
Application granted granted Critical
Publication of CN104653182B publication Critical patent/CN104653182B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/16Methods of underground mining; Layouts therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00Transport specially adapted to underground conditions
    • E21F13/06Transport of mined material at or adjacent to the working face
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings

Abstract

The invention discloses the coal-mining methods that a kind of bastard coal of coal seam containing thick dirt band point is adopted.It is characterized in that:It is respectively arranged upper, middle and lower crossheading in the upper, middle and lower portion of longwall mining working face, coal working face is divided into two sections, working face epimere installs routine work face self-advancing hydraulic support, top plate is managed using caving method, additionally arrange normal drag conveyor, motor is placed in the upper end of working face, transports downwards, and coal and the dirt band of extraction are transported to downwards the coal-gangue separation platform of middle crossheading with drag conveyor;The dirt band of the upper and lower section extraction of working face can be just filled in goaf by its length of the length of working face hypomere, self moving hydraulic of the installation with goaf waste rock board fills holder, top plate is managed using filling method, additionally arrange high-power short distance drag conveyor, motor is placed in working face lower end, it is transported up, the coal and dirt band of extraction are transported to middle crossheading coal-gangue separation platform upwards with high-power short distance drag conveyor.

Description

A kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted
Technical field
A kind of the technical issues of the present invention relates to mining engineering field recovery methods, and in particular to coal seam containing thick dirt band bastard coal Divide the coal-mining method adopted.
Background technology
The exploitation in the larger composite construction coal seam of dirt band thickness is a problem of field of coal mining:
One of difficulty be current coalcutter to be crushed dirt band be short of power and pick consume it is big:
Difficulty second is that spoil is mixed with coal stream, influence coal quality, increase freight, pollute environment.
For this purpose, for the larger dirt band coal seam of thickness, many mines abandon exploitation, though reluctantly exploitation be also It is produced under inefficient and low yield state.
Invention content
In order to solve the above technical problems, the present invention provides a kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted, this hair It is bright coal working face to be divided into two sections using three crossheadings of upper, middle and lower, solve the larger dirt band coal seam of existing thickness Mining problem, compared with prior art, have the advantages that consumption less, production efficiency it is high.
To reach above-mentioned technical purpose, the present invention uses following technological means:
A kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted,
A, upper crossheading, middle crossheading and lower crossheading are respectively arranged in the upper, middle and lower portion of longwall mining working face, upper crossheading, Coal working face is divided into working face epimere, working face hypomere by middle crossheading and lower crossheading;
B, in working face epimere:On the bottom plate of coal wall, normal drag conveyor, normal scraper plate are additionally arranged along coal wall direction Conveyer motor is placed in the upper end of working face, transports downwards;
In working face hypomere:On the bottom plate of coal wall, high-power short distance drag conveyor is additionally arranged along coal wall direction, greatly Power short distance drag conveyor motor is placed in working face lower end, is transported up;
It is disposed with coal-gangue separation platform in middle crossheading and working face stope juxtaposition position, fortune has been arranged in juxtaposition on platform Coal elevating conveyor and fortune cash elevating conveyor;
Above-mentioned normal drag conveyor transports downwards, and the coal of extraction is transported downwards with dirt band with normal drag conveyor To the coal-gangue separation platform of intermediate crossheading;
High-power short distance drag conveyor is transported up, the high-power short distance drag conveyor of the coal and dirt band of extraction It is transported to intermediate crossheading coal-gangue separation platform upwards;
Transporting coal elevating conveyor transports the rubber conveyer that coal stream is transported into middle crossheading outward;
Spoil is transported into neighbouring goaf spoil and fills field by gangue reprint machine.
Further, rake truck-mounted hoist is installed in waste filling field, motor drives the slusher of rake truck-mounted hoist by barrow Waste filling to working face hypomere goaf in supporting goaf top plate.
Further, under working face hypomere crossheading mined out section, supporting have gear cash hydraulic prop, filled in spoil When filling out working face hypomere goaf, the air return way that lower curtate working face uses is safeguarded out.
Further, the length of working face epimere maintains an equal level with normal work face length, installs routine work face automatic moving type liquid Holder is pressed, top plate is managed using caving method.
Further, the length of working face hypomere meets:Its length just can be by the dirt band of the upper and lower section extraction of working face It is filled in goaf;Self moving hydraulic of the working face hypomere installation with goaf waste rock board fills holder, using filling method Manage top plate.
Further, coal, at cash separation platform the staggeredly Forward of two pairs of arrangement coal-gangue separation platform support supporting at this Top plate.
Further, working face epimere scratch board conveyor is provided with bastard coal sorter at coal, cash separation platform, respectively with Transporting coal elevating conveyor and fortune cash drag conveyor overlap joint;Bastard coal is arranged in working face hypomere scratch board conveyor at coal, cash separation platform Flow controlling device is overlapped with transporting coal elevating conveyor and fortune cash drag conveyor respectively.
Further, working face hypomere is ahead of working face epimere arrangement.
Further, coal, cash separation platform go out the automatic moving type advanced hydraulic support supporting of two pairs of arrangement staggeredly Forward at this Top plate.
The main innovation point of the present invention is:
Upper crossheading, middle crossheading and lower crossheading are respectively arranged by coal working face in the upper, middle and lower portion of longwall mining working face It is divided into two sections.
After working face is divided into two sections, two drag conveyors can be set in this way:Just positioned at working face epimere Normal scrapper conveyor and the high-power short distance drag conveyor positioned at working face hypomere.It is convenient in this way by two sections working face Bastard coal mixed flow is all transported to the middle crossheading of working face, and coal-gangue separation platform is arranged between two drag conveyors of middle crossheading, Bastard coal sorting operation is carried out, and shunts transport.
The length of working face epimere maintains an equal level with normal work face length, installs routine work face self-advancing hydraulic support, adopts Top plate is managed with caving method, additionally arranges normal drag conveyor, motor is placed in the upper end of working face, transports downwards, extraction Coal is transported to downwards the coal-gangue separation platform of middle crossheading with dirt band with drag conveyor;The length of working face hypomere is according to dirt band thickness The proportion size for accounting for mining height determines that the dirt band of the upper and lower section extraction of working face can be just filled in goaf by length, be pacified Self moving hydraulic of the dress with goaf waste rock board fills holder, manages top plate using filling method, additionally arranges high-power short distance and scrape Plate conveyer, motor are placed in working face lower end, are transported up, and the coal and dirt band of extraction are conveyed with high-power short distance scraper plate Machine is transported to middle crossheading coal-gangue separation platform upwards.
Crossheading is used for the return air of working face two sections on working face, while solving working face epimere scraper conveyor tail With the Layout Problem of motor, the coalcutter of working face epimere is enable directly to be cut to end coal wall.
Crossheading is used for the arrangement of working face upper and lower two sections of transporting coal and coal-gangue separation Platform Site in working face.It solves simultaneously The problem of certainly epimere working face lower end and hypomere working face upper end coal mining function are cut directly into middle crossheading coal wall.
Crossheading is used for upper and lower two sections of the air inlet of working face under working face, while solving working face hypomere drag conveyor machine The Layout Problem of tail and motor enables the coalcutter of working face hypomere to be directly cut to end coal wall.
Working face hypomere is ahead of working face epimere certain distance arrangement, and parallel propulsion is conducive to coal, cash apart from size The arrangement of separation platform.
The upper and lower section drag conveyor of working face is transporting coal, the fortune dual-purpose transporter of cash, will be mined and clear cash during normal production Be divided into two kinds of processes in two sections working face alternately, i.e., when working face epimere is mined, the clear cash of working face hypomere, process After the completion, the process of the upper and lower section of working face swaps, and such alternate cycles carry out actual mining.
Crossheading and working face stope juxtaposition position are disposed with coal, cash separation platform in working face, on platform side by side It is disposed with transporting coal elevating conveyor and fortune cash drag conveyor.Coal stream is transported into middle crossheading rubber conveyer and transported outward by transporting coal elevating conveyor;Fortune The spoil that spoil is transported into neighbouring goaf by cash drag conveyor fills field.
Working face epimere scratch board conveyor is provided with bastard coal sorter at coal, cash separation platform, is reprinted respectively with transporting coal Machine and fortune cash drag conveyor overlap joint;Bastard coal flow controlling is arranged in working face hypomere scratch board conveyor at coal, cash separation platform Device is overlapped with transporting coal elevating conveyor and fortune cash drag conveyor respectively.
When Scraper Conveyor in Mining Face transports coal, coal cinder is usually smaller, bastard coal sorter and bastard coal flow controlling device Control coal stream enters transporting coal elevating conveyor respectively, is transported into middle crossheading rubber conveyer forward by transporting coal elevating conveyor, and transport outward and come out.
When Scraper Conveyor in Mining Face transports spoil, spoil block is usually larger, bastard coal sorter and bastard coal flow controlling Device control respectively spoil stream enter fortune cash drag conveyor, manually further picked up on spoil drag conveyor be mingled with it is big Lump coal block, and it is packed into transporting coal elevating conveyor, waste filling field is transported into backward by fortune cash drag conveyor to the spoil sillar after sorting.
Rake truck-mounted hoist is installed in waste filling field, rake truck-mounted hoist drives slusher by barrow by raking loader steel wire rope Supporting goaf top plate in waste filling to working face hypomere goaf.
The mined out section of crossheading under working face hypomere, supporting has gear cash hydraulic prop, in waste filling working face When hypomere goaf, the air return way that lower curtate working face uses is safeguarded out.
Top plate of the coal-gangue separation platform support supporting of two pairs of staggeredly Forwards at this is arranged at coal, cash separation platform.
This technology invention will be mined and be separated with clear cash process, falls spoil after first mining coal seam, increases the freedom of declined spoil Face, the difficulty for falling cash work of reduction and power consumption, meanwhile, coal stream and the respective transportation system of spoil stream are devised, it will be clear The spoil managed out is filled to nearby in work face goaf, is safeguarded out the tunnel subsequently used along sky, is improved the recycling of coal Rate improves yield, efficiency and productivity effect, reduces spoil to Mine Environmental Pollution, reduce mine pressure is to production The harm of system is a production technology for having very much promotion prospect.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
1-raking loader tail wheel;2-raking loader steel wire ropes;3-filling holder waste rock boards;4-raking loader slushers;5-fillings Working face self moving hydraulic fills holder;6-waste filling fields;7-non-filling operation face self-advancing hydraulic supports;8-upper areas Section work face goaf;9-working face epimere handpiece of scraper conveyer and motor part;10-working face epimere scraper plates convey Machine;11-coal-gangue separation platform supports;12-bastard coal sorters;13-transporting coal elevating conveyors;14-bastard coal flow controlling devices;15— Transport cash drag conveyor;The high-power drag conveyor of 16-short distances;Crossheading on 17-working faces;18 --- working face epimere coal Body;19-rubber conveyers;Crossheading in 20-working faces;21-working face hypomere coal bodies;Crossheading under 22-working faces;Under 23- Section working face coal body.
Specific implementation mode
The relevant technologies content that do not address below can be used or use for reference the prior art.
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection Range.
As shown in Figure 1, the coal-mining method that a kind of bastard coal of coal seam containing thick dirt band point is adopted,
It is respectively arranged in the upper, middle and lower portion of longwall mining working face(It produces)Crossheading 17,20 and of middle crossheading on working face Coal working face is divided into working face epimere, working face hypomere by lower crossheading 22, upper crossheading 17, middle crossheading 20 and lower crossheading 22, Coal is divided into --- working face epimere coal body 18, --- working face hypomere coal body 21;Lower curtate working face coal body 23;
Crossheading 17 is used for the return air of working face two sections on working face, while solving working face epimere drag conveyor 10 Tail and motor Layout Problem, so that the coalcutter of working face epimere is directly cut to end coal wall.
Crossheading 20 is used for the arrangement of working face upper and lower two sections of transporting coal and coal-gangue separation Platform Site in working face.Simultaneously Solve the problems, such as that epimere working face lower end and hypomere working face upper end coal mining function are cut directly into middle crossheading coal wall.
Crossheading 22 is used for upper and lower two sections of the air inlet of working face under working face, while solving working face hypomere drag conveyor The Layout Problem of tail and motor enables the coalcutter of working face hypomere to be directly cut to end coal wall.
Normal drag conveyor is additionally arranged in working face epimere, working face epimere handpiece of scraper conveyer and motor part 9 are pacified It is placed on the upper end of working face, is transported downwards;
Specific arrangement is as follows:The length of working face epimere maintains an equal level with normal work face length, installation and non-filling operation Face self-advancing hydraulic support 7 manages top plate using caving method, additionally arranges normal drag conveyor, motor is placed in the upper of working face End is transported downwards, and coal and the dirt band of extraction are transported to downwards the coal-gangue separation platform of middle crossheading with drag conveyor;
The high-power drag conveyor 16 of short distance, high-power short distance drag conveyor motor peace are additionally arranged in working face hypomere It is placed on working face lower end, is transported up;
The proportion size that the length of working face hypomere accounts for mining height according to dirt band thickness determines that length can will just work The dirt band of the upper and lower section extraction in face is filled in 8 in goaf --- upper curtate work face goaf;, installation is with goaf gear cash The filling operation face self moving hydraulic of plate fills holder 5, and top plate is managed using filling method, additionally arranges high-power short distance scraper plate conveying Machine, motor are placed in working face lower end, are transported up, and the coal and dirt band of extraction are upward with high-power short distance drag conveyor It is transported to middle crossheading coal-gangue separation platform 11.
It is disposed with coal-gangue separation platform 11 in middle crossheading and working face stope juxtaposition position, has been arranged in juxtaposition on platform Transporting coal elevating conveyor 13 and fortune cash drag conveyor 15:
It is provided with bastard coal sorter at cash separation platform, is taken respectively with transporting coal elevating conveyor 13 and fortune cash drag conveyor 15; Transporting coal elevating conveyor transports the rubber conveyer that coal stream is transported into middle crossheading outward;Spoil is transported into neighbouring mined out by gangue reprint machine Area's spoil fills field.Bastard coal flow controlling device 14 is arranged in working face hypomere scratch board conveyor at coal, cash separation platform, respectively with Transporting coal elevating conveyor and fortune cash drag conveyor overlap joint.
Rake truck-mounted hoist, including raking loader tail wheel 1, raking loader steel wire rope 2, raking loader slusher 4 are installed in waste filling field; Motor drives the slusher of rake truck-mounted hoist by supporting goaf top plate in the waste filling of barrow to working face hypomere goaf.
The mined out section of crossheading under working face hypomere, supporting has gear cash hydraulic prop, in waste filling working face When hypomere goaf, the air return way that lower curtate working face uses is safeguarded out.
Working face hypomere is ahead of working face epimere certain distance arrangement, and parallel propulsion is conducive to coal, cash apart from size The arrangement of separation platform.
Coal, cash separation platform go out top plate of the automatic moving type advanced hydraulic support supporting of two pairs of arrangement staggeredly Forward at this.
Crossheading and working face stope juxtaposition position are disposed with coal, cash separation platform in working face, on platform side by side It is disposed with transporting coal elevating conveyor and fortune cash drag conveyor.Coal stream is transported into middle crossheading rubber conveyer and transported outward by transporting coal elevating conveyor;Fortune The spoil that spoil is transported into neighbouring goaf by cash drag conveyor fills field.
Working face epimere drag conveyor 10, hypomere drag conveyor are transporting coal, the fortune dual-purpose transporter of cash, normal production When will mine and be divided into two kinds of processes in two sections working face alternately with clear cash, i.e., when working face epimere is mined, work The clear cash of face hypomere, after the completion of process, the process of the upper and lower section of working face swaps, and such alternate cycles carry out actual mining.
When Scraper Conveyor in Mining Face transports coal, coal cinder is usually smaller, bastard coal sorter and bastard coal flow controlling device Control coal stream enters transporting coal elevating conveyor respectively, is transported into middle crossheading rubber conveyer 19 forward by transporting coal elevating conveyor, and transport outward and come out.
When Scraper Conveyor in Mining Face transports spoil, spoil block is usually larger, bastard coal sorter 12 and bastard coal water conservancy diversion control Device 14 processed controls spoil stream and enters fortune cash drag conveyor respectively, manually further picks up and is mingled on spoil drag conveyor Bulk coal cinder, and be packed into transporting coal elevating conveyor, being transported into spoil backward by fortune cash drag conveyor to the spoil sillar after sorting fills Fill out field.
The above is only the preferred embodiment of the application, is made skilled artisans appreciate that or realizing this Shen Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

Claims (7)

1. the coal-mining method that a kind of bastard coal of coal seam containing thick dirt band point is adopted, which is characterized in that
A, upper crossheading, middle crossheading and lower crossheading, upper crossheading, middle crossheading are respectively arranged in the upper, middle and lower portion of longwall mining working face Coal working face is divided into working face epimere, working face hypomere with lower crossheading;
B, in working face epimere:On the bottom plate of coal wall, normal drag conveyor, normal scraper plate conveying are additionally arranged along coal wall direction Electromechanical machine is placed in the upper end of working face, transports downwards;
In working face hypomere:On the bottom plate of coal wall, high-power short distance drag conveyor is additionally arranged along coal wall direction, it is high-power Short distance drag conveyor motor is placed in working face lower end, is transported up;
It is disposed with coal-gangue separation platform in middle crossheading and working face stope juxtaposition position, transporting coal has been arranged in juxtaposition on platform and has been turned Carrier aircraft and fortune cash elevating conveyor;
Above-mentioned normal drag conveyor transports downwards, during the coal of extraction and dirt band are transported to downwards with normal drag conveyor Between crossheading coal-gangue separation platform;
High-power short distance drag conveyor is transported up, and the coal and dirt band of extraction are upward with high-power short distance drag conveyor It is transported to intermediate crossheading coal-gangue separation platform;
Transporting coal elevating conveyor transports the rubber conveyer that coal stream is transported into middle crossheading outward;
Spoil is transported into neighbouring goaf spoil and fills field by gangue reprint machine;
The mined out section of crossheading under working face hypomere, supporting has gear cash hydraulic prop, in waste filling working face hypomere When goaf, the air return way that lower curtate working face uses is safeguarded out;
The length of working face hypomere meets:The dirt band of the upper and lower section extraction of working face can be just filled in goaf by its length In;Self moving hydraulic of the working face hypomere installation with goaf waste rock board fills holder, and top plate is managed using filling method;
Working face epimere scratch board conveyor is provided with bastard coal sorter at coal, cash separation platform, respectively with transporting coal elevating conveyor and Transport cash drag conveyor overlap joint;Bastard coal flow controlling device is arranged in working face hypomere scratch board conveyor at coal, cash separation platform, point It is not overlapped with transporting coal elevating conveyor and fortune cash drag conveyor.
2. the coal-mining method adopted according to the bastard coal of coal seam containing thick dirt band described in claim 1 point, which is characterized in that filled in spoil It fills out field and rake truck-mounted hoist is installed, motor drives the slusher of rake truck-mounted hoist that the waste filling of barrow is mined out to working face hypomere Supporting goaf top plate in area.
3. the coal-mining method adopted according to the bastard coal of coal seam containing thick dirt band described in claim 1 point, which is characterized in that on working face The length of section maintains an equal level with normal work face length, installs routine work face self-advancing hydraulic support, and top plate is managed using caving method.
4. the coal-mining method adopted according to the bastard coal of coal seam containing thick dirt band described in claim 1 point, which is characterized in that coal, cash point From arranging top plate of the coal-gangue separation platform support supporting of two pairs of staggeredly Forwards at this at platform.
5. the coal-mining method adopted according to the bastard coal of coal seam containing thick dirt band described in claim 1 point, which is characterized in that coal, cash point From arranging top plate of the coal-gangue separation platform support supporting of two pairs of staggeredly Forwards at this at platform.
6. the coal-mining method adopted according to the bastard coal of coal seam containing thick dirt band described in claim 1 point, which is characterized in that under working face Section is ahead of working face epimere arrangement.
7. the coal-mining method adopted according to the bastard coal of coal seam containing thick dirt band described in claim 1 point, which is characterized in that coal, cash point From arranging top plate of the automatic moving type advanced hydraulic support supporting of two pairs of staggeredly Forwards at this at platform.
CN201410621671.XA 2014-11-07 2014-11-07 A kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted Expired - Fee Related CN104653182B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410621671.XA CN104653182B (en) 2014-11-07 2014-11-07 A kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410621671.XA CN104653182B (en) 2014-11-07 2014-11-07 A kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted

Publications (2)

Publication Number Publication Date
CN104653182A CN104653182A (en) 2015-05-27
CN104653182B true CN104653182B (en) 2018-08-10

Family

ID=53244753

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410621671.XA Expired - Fee Related CN104653182B (en) 2014-11-07 2014-11-07 A kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted

Country Status (1)

Country Link
CN (1) CN104653182B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106401586B (en) * 2016-06-24 2019-02-22 中国矿业大学 The coal petrography sorting and the method for utilizing of a kind of coal petrography with mining face
CN106121646A (en) * 2016-08-22 2016-11-16 中煤西安设计工程有限责任公司 Underground mine exploiting field formula without digging laneway without coal column coal-mining method
CN108049869A (en) * 2017-12-08 2018-05-18 中国矿业大学 The coal-mining method that long short face is alternately arranged
CN110630263B (en) * 2018-08-29 2021-04-27 中国矿业大学 Layered mining method for huge thick coal seam with middle gangue layer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100567703C (en) * 2005-05-19 2009-12-09 兖矿集团有限公司 Comprehensive coal-mining process by using long wall mining method
CN101187308A (en) * 2007-09-13 2008-05-28 枣庄矿业(集团)有限责任公司 Thin coal bed highly effective fully mechanized mining process
CN103114853A (en) * 2013-02-08 2013-05-22 山东新煤机械装备股份有限公司 Method for backfilling separately-recovered and sub-transported gangues of underground dirt band coal layer and complete equipment
CN103104260B (en) * 2013-02-27 2015-09-16 湖南科技大学 Under complex geological condition, comprehensive-machine is to hand-pulled noodles coal-mining method
CN103567050B (en) * 2013-06-16 2015-07-29 徐春云 Underground hydraulic coal-gangue separation equipment
CN104061016B (en) * 2014-06-23 2016-03-30 中国矿业大学 A kind of girdle five drill auger miner stowage unit and method

Also Published As

Publication number Publication date
CN104653182A (en) 2015-05-27

Similar Documents

Publication Publication Date Title
CN104653182B (en) A kind of coal-mining method that the bastard coal of coal seam containing thick dirt band point is adopted
CN100567703C (en) Comprehensive coal-mining process by using long wall mining method
CN103939139B (en) A kind of colliery solid filling coal-face coordinative composition of equipments method
CN101942999A (en) Coal mining method for high-dipping low seam
CN101187308A (en) Thin coal bed highly effective fully mechanized mining process
CN207004567U (en) Tunnel is exploited with the coal mine filling that gob side entry retaining is combined
CN103603665B (en) Upper dish side ore body stoping method in the scope of adopting of mine
CN102937035B (en) Method for rock mining and filling in mine goaf
CN101526001A (en) Comprehensive mining opposite-pull working face coal excavating process for thin coal bed
CN104533429A (en) Double-roadway combining speedy drivage waste rock exhaust system and method
CN102418527B (en) Method for mining flat dipping ultrathin sedimentary type subterranean iron ore deposit
CN104373126A (en) Method and equipment for filling gangue by aid of drilling and production process
CN102383794A (en) Cross side dumping arrangement coordinated mode of rear conveyer of fully mechanized working face and support structure
CN103104260A (en) Comprehensive-conventional mechanical mining double-unit face coal mining method under complicated geological conditions
CN105401951A (en) Common gangue removal method and system for dual rock roadways of coal mine
CN102877848B (en) Method for performing coal mining and gangue cementation stripe filling simultaneously
CN201496069U (en) Bridge type transfer machine with large span
CN104500069A (en) Continuous coal mining machine top-coal mining process for extremely-thick coal seam bound coal
CN103821530A (en) Continuous excavating equipment and process for roadways
CN104234714A (en) Novel, efficient and environment-friendly underground transportation method for coal mines
CN104329117A (en) Installation method of comprehensive mechanized filling, coal mining and open-off cutting equipment
CN204041072U (en) Raw coal tubulose roadway conveying system is equipped
CN105201512A (en) Lateral type double-drum opencast machine
CN203476334U (en) Self-moving type transshipping machine for mining working face for open-pit mine
CN207332878U (en) Slusher machine is unloaded goods device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180810

Termination date: 20191107