CN106522953A - Dynamic segmented mining and caving technique for strike long-wall full-mechanized caving mining of high-dipping thick coal seam - Google Patents
Dynamic segmented mining and caving technique for strike long-wall full-mechanized caving mining of high-dipping thick coal seam Download PDFInfo
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- 239000003245 coal Substances 0.000 title claims abstract description 237
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000005065 mining Methods 0.000 title claims abstract description 18
- 238000007598 dipping method Methods 0.000 title abstract 6
- 230000011218 segmentation Effects 0.000 claims description 39
- 230000003111 delayed effect Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 abstract description 4
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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Abstract
The invention provides a dynamic segmented mining and caving technique for strike long-wall full-mechanized caving mining of a high-dipping thick coal seam. The technique comprises the steps that two roadways are excavated in the high-dipping thick coal seam to serve as a transportation roadway and an air return roadway correspondingly, a strike long-wall full-mechanized caving face is arranged in the high-dipping thick coal seam, stoping equipment including a coal caving support, a coal cutter, a scraper conveyer and the like is arranged on the strike long-wall full-mechanized caving face, the coal caving support is moved from top to bottom after coal is mined by the coal cutter, the coal caving support is dynamically divided into a plurality of segments from top to bottom according to the occurrence of the coal seam and the mining condition of the caving face, and coal caving is conducted in each segment from bottom to top till roof coal of the last segment of the caving face is caved. The advantages of the dynamic segmented mining and caving technique for strike long-wall full-mechanized caving mining of the high-dipping thick coal seam are brought into full play, balanced coal caving is achieved, the stability of full-mechanized caving equipment is improved, and the resource recovery rate is increased; and the mining and caving technique is suitable for the strike long-wall full-mechanized caving face under the high-dipping thick coal seam condition.
Description
Technical field
The present invention relates to coal mining field, more particularly to a kind of steep-inclined thick coal seam moves towards longwell longwall top coal caving dynamic point
Duan Caifang techniques.
Background technology
Steep-inclined thick coal seam refers to that a kind of inclination angle is more than the coal seam of 3.5m more than 45 °, thickness, and which has the distribution in China
It is complicated compared with wide, occurrence condition, the features such as exploitation difficulty is big, as existing production technique falls behind, and domestic mine quantity is more, because
This, China there occurs a lot of major accidents in recent years.In December, 2006, state coal Supervisory Bureau was opened for hard-to-recovery reserve in recent years
The lesson of middle occurred major accident is adopted, is actively pushed forward coal winning technology reform, is eliminated informal coal-mining method, further improve anxious
Slope thick seam Technology of Safety Mining and management level, for violation《Safety regulations in coal mine》, do not reach the various of safety requirements
Informal coal-mining method should order which to stop using.And wooden prop and metal mainstay supporting is phased out, improve inclined thick coal
The technology and equipment level of layer safe working.
Taking and placing technique is really for steep-inclined thick coal seam of crucial importance, rational taking and placing technique of moving towards longwell top coal caving
Be conducive to support and working face equipment to stablize, be conducive to improving the work surface response rate.In the large inclination working surface taking and placing work of early stage
In terms of skill, four " from bottom to top " are emphasized, i.e., mine from bottom to top, move frame from bottom to top, put coal from bottom to top, push away from bottom to top
Slip.But for steep-inclined thick coal seam longwall top coal caving, when work surface inclination angle is more than broken top coal spontaneous angle of repose or broken top coal
During with support caving shield angle of friction, the coal of putting from bottom to top of whole work surface is no longer suitable for, and when coal is put in work surface bottom, can cause
Upper bracket top coal flows downward, and reduces upper bracket and top coal and the active force of top board, weakens the stability of support.Therefore base
In the roof coal movement and caving law of steep-inclined thick coal seam, develop steep-inclined thick coal seam and move towards the " descending of longwell longwall top coal caving
It is up in dynamic segmentation, section to put coal " taking and placing technique.
The content of the invention
The invention provides the taking and placing technique of a kind of steep-inclined thick coal seam " up in descending dynamic segmentation, section to put coal ", right
It is existing it is comprehensive put equipment and technique is improved and puts requirement to adapt to the comprehensive of steep-inclined thick coal seam, ensure that personal security,
Improve its yield, the taking and placing technique be applied to half-edge coal seam under the conditions of move towards longwell fully mechanized coal face.
To achieve these goals, this invention takes following technical scheme：
A kind of steep-inclined thick coal seam moves towards longwell longwall top coal caving dynamic segmentation taking and placing technique, it is characterised in that the technique bag
Include：Two tunnels are dug in steep-inclined thick coal seam, respectively as transportation roadway and return airway, the cloth in the steep-inclined thick coal seam
Put and move towards longwell fully mechanized coal face；Longwell fully mechanized coal face placement support system is moved towards described, moves towards that longwell is comprehensive to be put by described
The support system of work surface is in turn divided into several sections from top to bottom；After the coal-winning machine is mined, the coal-caving supporter is carried out
Coal operation is put, the drag conveyor coal-winning machine is adopted the coal of the coal and support system releasing got off and transported；
Two tunnels are dug in the steep-inclined thick coal seam, and in the steep-inclined thick coal seam, arrangement moves towards that longwell is comprehensive to be put
Work surface, two described tunnels are located at the upper and lower ends for moving towards longwell fully mechanized coal face respectively；
The support system includes overlooking for rectangular coal-caving supporter, the back timber leading edge of multiple coal-caving supporters according to
Along described, the secondary edge placement for moving towards longwell fully mechanized coal face along described, the neighbouring coal-caving supporter move towards that longwell is comprehensive to be put
The direction of propulsion of work surface forms arrangement successively from top to bottom, and the back timber of multiple coal-caving supporters is overlooked and moves towards length along described
Wall fully mechanized coal face moves towards combination and forms complete work surface；
Two tunnels are dug in the steep-inclined thick coal seam, arrange that inclination angle is set angle in the steep-inclined thick coal seam
Degree moves towards longwell fully mechanized coal face, and described two tunnels are located at respectively described moves towards up and down the two of longwell fully mechanized coal face
The digging route in lane is descended at end, the digging route for wherein going up lane in advance；
The support system includes that it is trapezoidal coal-caving supporter to overlook, and the back timber leading edge of multiple coal-caving supporters is successively
Move towards to arrange along the gradient for moving towards longwell fully mechanized coal face, to move towards longwell comprehensive along described for the neighbouring coal-caving supporter
The direction of propulsion for putting work surface forms dislocation delayed successively from top to bottom, and the back timber of multiple coal-caving supporters is overlooked along described
Just adopt move towards longwell fully mechanized coal face move towards combination form complete work surface plan view shape；
Coal is put in dynamic segmentation from top to bottom, and in each section, the coal-caving supporter is using caving mode from bottom to top；
It is described move towards longwell fully mechanized coal face using stagewise caving mode from top to bottom when, the support in each segmentation
Quantity is dynamically determined according to ocurrence of coal seam and mining conditions；
Arrange that longwell fully mechanized coal face is moved towards for set angle in inclination angle in steep-inclined thick coal seam, the set angle is
2/3rds of steep-inclined thick coal seam inclination angle；
The coal-winning machine is mined from top to bottom, moves frame from top to bottom, from top to bottom dynamic segmentation, during coal is put, often
Individual putting in coal segmentation puts coal from bottom to top, and then carry out second segment puts coal work, and caving mode is identical with first paragraph, until each
Whole coal-caving supporters in section complete to put coal work, so repeat, and complete to put coal operation to whole work surface.
The technical scheme provided by embodiments of the invention described above can be seen that the present invention and give full play to steep-inclined thick coal seam
The advantage of longwell top coal caving is moved towards, and longwell fully mechanized coal face is moved towards in steep-inclined thick coal seam and is adopted using provided by the present invention
Put technique, it is possible to achieve the balanced caving of work surface, improve the comprehensive effect for putting equipment non-skid property, raising is comprehensive to put work safety
Property, improve recovery ratio and resource utilization, the taking and placing technique is applied to moving towards under the conditions of half-edge coal seam, and longwell is comprehensive to put work
Face.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to using needed for embodiment description
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is that a kind of steep-inclined thick coal seam taking and placing technique provided in an embodiment of the present invention moves towards longwell fully mechanized coal face reality
Apply schematic flow sheet；
Fig. 2 moves towards longwell longwall top coal caving dynamic segmentation taking and placing work for a kind of steep-inclined thick coal seam provided in an embodiment of the present invention
Skill is in the top view for moving towards longwell fully mechanized coal face application without pseudo- oblique angle of bowing；
Fig. 3 is that a kind of steep-inclined thick coal seam provided in an embodiment of the present invention moves towards longwell longwall top coal caving dynamic segmentation taking and placing work
Work surface coal-caving supporter of the skill in the case of without pseudo- oblique angle of bowing divides schematic diagram；
Fig. 4 moves towards longwell longwall top coal caving dynamic segmentation taking and placing work for a kind of steep-inclined thick coal seam provided in an embodiment of the present invention
Skill is in the top view for moving towards longwell fully mechanized coal face application with pseudo- oblique angle of bowing；
Fig. 5 is that a kind of steep-inclined thick coal seam provided in an embodiment of the present invention moves towards longwell longwall top coal caving dynamic segmentation taking and placing work
Work surface coal-caving supporter of the skill in the case of with pseudo- oblique angle of bowing divides schematic diagram.
【Reference】
1 steep-inclined thick coal seam moves towards lane on longwell fully mechanized coal face
2 steep-inclined thick coal seams move towards lane under longwell fully mechanized coal face
3 coal-caving supporters
3-1-1 steep-inclined thick coal seams move towards the 1st section of the 1st coal-caving supporter of longwell fully mechanized coal face
3-1-2 steep-inclined thick coal seams move towards the 1st section of the 2nd coal-caving supporter of longwell fully mechanized coal face
……
3-n-5 steep-inclined thick coal seams move towards n-th section of the 5th coal-caving supporter of longwell fully mechanized coal face
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or the element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is individual ", " described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that arranging used in the description of the present invention
Diction " including " refers to there is the feature, integer, step, operation, element and/or component, but it is not excluded that existing or adding
One or more other features, integer, step, operation, element, component and/or their group.It should be understood that when we claim unit
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.Additionally, " connection " used herein or " coupling " can include wireless connection or couple.Wording used herein
"and/or" includes one or more associated any cells for listing item and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein are (including technology art
Language and scientific terminology) with art of the present invention in those of ordinary skill general understanding identical meaning.Should also
It is understood by, those terms defined in such as general dictionary are should be understood that with the meaning in the context with prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or excessively formal implication is explaining.
For ease of the understanding to the embodiment of the present invention, do by taking several specific embodiments as an example further below in conjunction with accompanying drawing
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Fig. 1 moves towards longwell longwall top coal caving dynamic segmentation taking and placing work for a kind of steep-inclined thick coal seam provided in an embodiment of the present invention
Skill moves towards longwell fully mechanized coal face implementation process diagram, as shown in Figure 1：
The method carries out putting the implementing procedure of coal operation includes following several steps：
S1 steps：Transportation roadway and return airway is dug in steep-inclined thick coal seam；
S2 step 2：Fully mechanized coal face is arranged in steep-inclined thick coal seam；
S3 step 3：The mining devices such as coal-caving supporter, coal-winning machine, drag conveyor are disposed in work surface；
S4 step 4：Coal-winning machine carries out coal mining activity from top to bottom；
S5 step 5：According to ocurrence of coal seam and mining conditions, the number of holders in each segmentation is determined；
S6 step 6：In 1st segmentation, coal-caving supporter moves frame from top to bottom, puts coal from bottom to top；
S7 step 7：In 2nd segmentation, coal-caving supporter moves frame from top to bottom, puts coal from bottom to top；
S8 step 8：In n-th segmentation, coal-caving supporter moves frame from top to bottom, puts coal from bottom to top.
Embodiment one：
Fig. 2 moves towards longwell longwall top coal caving dynamic segmentation taking and placing work for a kind of steep-inclined thick coal seam provided in an embodiment of the present invention
Skill is in the top view for moving towards longwell fully mechanized coal face application without pseudo- oblique angle of bowing；As shown in Figure 2：
The plurality of coal-caving supporter 3 is overlooked as rectangular coal-caving supporter, the back timber front of multiple coal-caving supporters
Successively along the edge placement for moving towards longwell fully mechanized coal face, the neighbouring coal-caving supporter moves towards longwell along described to edge
The direction of propulsion of fully mechanized coal face forms arrangement successively from top to bottom, the back timber of multiple coal-caving supporters overlook along it is described walk
Combination is moved towards to longwell fully mechanized coal face and forms complete work surface.
After coal-winning machine is mined from top to bottom, carry out putting putting work surface during coal on longwell fully mechanized coal face is moved towards
What 3 people of coal support was is in turn divided into several sections from top to bottom；
The number of every section of coal-caving supporter 3 generally 3～5 is most suitable；
Fig. 3 moves towards longwell longwall top coal caving dynamic segmentation taking and placing work for a kind of steep-inclined thick coal seam provided in an embodiment of the present invention
Work surface coal-caving supporter of the skill in the case of without pseudo- oblique angle of bowing divides schematic diagram, and such as Fig. 3 is carried out to the embodiment of the present invention with reference to Fig. 2
Hereinafter illustrate：
The present embodiment is illustrated with the number of coal-caving supporter 3 as three, and coal-caving supporter 3 is using from the bottom up in each section
Caving mode, i.e., first put steep-inclined thick coal seam and move towards longwell fully mechanized coal face the 1st section of the 1st coal-caving supporter 3-1-1, Ran Houwei
Steep-inclined thick coal seam moves towards second coal-caving supporter 3-1-2 of longwell fully mechanized coal face first paragraph, until all putting coal in the 1st segmentation
Support 3 is all discharged, and then carry out second segment puts coal work, is put the identical whole up in each section of coal method such as first paragraph and is put
Coal support 3 completes to put coal work, so repeats, until the whole coal-caving supporters 3 in n-th segmentation complete to put coal work, so as to
Complete to put coal operation to whole work surface, last drag conveyor is adopted the coal that the coal that gets off and coal-caving supporter are released by coal-winning machine
Transport.
In sum, in embodiment of the present invention technical scheme, as the back timber of coal-caving supporter overlooks outer contour shape for length
Square, the back timber leading edge of multiple coal-caving supporters is arranged along work surface tendency successively, and neighbouring coal-caving supporter is along work surface
Direction of propulsion define arrangement successively from top to bottom, move towards that longwell is comprehensive to put work so as to effectively forms steep-inclined thick coal seam
Face, coordinates the taking and placing technique to carry out steep-inclined thick coal seam exploitation.
Embodiment two：
Fig. 4 moves towards longwell longwall top coal caving dynamic segmentation taking and placing work for a kind of steep-inclined thick coal seam provided in an embodiment of the present invention
Top view of the skill in the work surface application with pseudo- oblique angle of bowing；As shown in Figure 4：
It is described to bow pseudo- rake angle and move towards 1 advanced steep-inclined thick coal seam of lane on longwell fully mechanized coal face for steep-inclined thick coal seam
To the work surface inclination angle produced by lane 2 under longwell fully mechanized coal face；
It is described move towards longwell fully mechanized coal face bow pseudo- rake angle can be 20 °～30 °；
Move towards arrange successively by the gradient of across pitch longwell fully mechanized coal face for the back timber leading edge of the plurality of coal-caving supporter 3,
Neighbouring coal-caving supporter 3 forms dislocation delayed successively from top to bottom, multiple coal-caving supporters 3 along the direction of propulsion of work surface
Back timber overlook across pitch longwell fully mechanized coal face and move towards combination and formed complete to move towards longwell fully mechanized coal face plan view shape；
After coal-winning machine is mined from top to bottom, carry out putting putting work surface during coal on longwell fully mechanized coal face is moved towards
What 3 people of coal support was is in turn divided into several sections from top to bottom；
The number of every section of coal-caving supporter 3 generally 3～5 is most suitable；
Fig. 5 moves towards longwell longwall top coal caving dynamic segmentation taking and placing work for a kind of steep-inclined thick coal seam provided in an embodiment of the present invention
Skill divides schematic diagram with the work surface coal-caving supporter in the case of pseudo- oblique angle of bowing, and such as Fig. 5 enters to the embodiment of the present invention with reference to Fig. 4
The following explanation of row：
The present embodiment is illustrated with the number of coal-caving supporter 3 as three, and coal-caving supporter 3 is using from the bottom up in each section
Caving mode, i.e., first put steep-inclined thick coal seam and move towards longwell fully mechanized coal face the 1st section of the 1st coal-caving supporter 3-1-1, Ran Houwei
Steep-inclined thick coal seam moves towards second coal-caving supporter 3-1-2 of longwell fully mechanized coal face first paragraph, until all putting coal in the 1st segmentation
Support 3 is all discharged, and then carry out second segment puts coal work, is put the identical whole up in each section of coal method such as first paragraph and is put
Coal support 3 completes to put coal work, so repeats, until the whole coal-caving supporters 3 in n-th segmentation complete to put coal work, so as to
Complete to put coal operation to whole work surface, last drag conveyor is adopted the coal that the coal that gets off and coal-caving supporter are released by coal-winning machine
Transport.
In sum, in embodiment of the present invention technical scheme, as the back timber of coal-caving supporter overlooks outer contour shape for ladder
Shape, the back timber leading edge of multiple coal-caving supporters are moved towards to arrange along the gradient of work surface successively, and neighbouring coal-caving supporter is along work
The direction of propulsion for making face defines dislocation delayed successively from top to bottom, tiltedly walks so as to effectively forms steep-inclined thick coal seam puppet of bowing
To the work surface of longwell, conveniently can realize it is comprehensive put operation, improved with the actual inclination angle for reducing work surface and comprehensive put equipment skid resistance
Can, coordinate taking and placing technique to carry out seam mining.
A kind of steep-inclined thick coal seam taking and placing technique that the present invention is provided, reduces potential safety hazard, improves recovery ratio and resource
Utilization rate, caving mode adopt " up in descending dynamic segmentation, section to put coal ", it is ensured that the uniformity and raising for putting coal puts coal
Set up standby stability, the taking and placing technique is applied to moves towards longwell fully mechanized coal face under the conditions of half-edge coal seam.
One of ordinary skill in the art will appreciate that：Accompanying drawing is the schematic diagram of one embodiment, module in accompanying drawing or
Flow process is not necessarily implemented necessary to the present invention.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for device or
For system embodiment, as which is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to method
The part explanation of embodiment.Apparatus and system embodiment described above is only schematic, wherein described conduct
Separating component explanation unit can be or may not be it is physically separate, as the part that unit shows can be or
Person may not be physical location, you can local to be located at one, or can also be distributed on multiple NEs.Can be with root
Factually border need select some or all of module therein to realize the purpose of this embodiment scheme.Ordinary skill
Personnel are not in the case where creative work is paid, you can to understand and implement.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (9)
1. a kind of steep-inclined thick coal seam moves towards longwell longwall top coal caving dynamic segmentation taking and placing technique, it is characterised in that the technique includes：
Two tunnels are dug in steep-inclined thick coal seam, respectively as transportation roadway and return airway, in the steep-inclined thick coal seam
Arrangement moves towards longwell fully mechanized coal face；
Longwell fully mechanized coal face placement support system, coal-winning machine, drag conveyor are moved towards described, moves towards that longwell is comprehensive to be put by described
Dynamic is divided into several sections to the support system of work surface successively from top to bottom；
After the coal-winning machine is mined, the support system carries out putting coal operation, and the coal-winning machine is adopted down by the drag conveyor
The coal that the coal for coming and the support system are released is transported.
2. a kind of steep-inclined thick coal seam according to claim 1 moves towards longwell longwall top coal caving dynamic segmentation taking and placing technique, its
It is characterised by, described digs two tunnels in steep-inclined thick coal seam, respectively as transportation roadway and return airway, and in the urgency
In slope thick seam, arrangement moves towards longwell fully mechanized coal face, including：
Two tunnels are dug in the steep-inclined thick coal seam, and in the steep-inclined thick coal seam, arrangement moves towards that longwell is comprehensive to put work
Face, two described tunnels are located at the upper and lower ends for moving towards longwell fully mechanized coal face respectively.
3. a kind of steep-inclined thick coal seam according to claim 2 moves towards longwell longwall top coal caving dynamic segmentation taking and placing technique, its
Be characterised by, longwell fully mechanized coal face placement support system is moved towards described, moved towards described described in longwell fully mechanized coal face
Support system is in turn divided into several sections from top to bottom, including：
The support system includes overlooking for rectangular coal-caving supporter, the back timber leading edge of multiple coal-caving supporters edge successively
Along described, the edge placement for moving towards longwell fully mechanized coal face, the neighbouring coal-caving supporter move towards that longwell is comprehensive to put work
The direction of propulsion in face forms arrangement successively from top to bottom, and the back timber of multiple coal-caving supporters overlooks along described that to move towards longwell comprehensive
Put work surface move towards combination form complete work surface.
4. a kind of steep-inclined thick coal seam according to claim 3 moves towards longwell longwall top coal caving dynamic segmentation taking and placing technique, its
It is characterised by, described digs two tunnels in steep-inclined thick coal seam, respectively as transportation roadway and return airway, and in the urgency
In slope thick seam, arrangement moves towards longwell fully mechanized coal face, also includes：
Two tunnels are dug in the steep-inclined thick coal seam, arrange that inclination angle is set angle in the steep-inclined thick coal seam
Longwell fully mechanized coal face is moved towards, two described tunnels are located at the upper and lower ends for moving towards longwell fully mechanized coal face respectively, its
The exploitation route in Zhong Shang lanes descends the exploitation route in lane in advance.
5. a kind of steep-inclined thick coal seam according to claim 4 moves towards longwell longwall top coal caving dynamic segmentation taking and placing technique, its
Be characterised by, longwell fully mechanized coal face placement support system is moved towards described, moved towards described described in longwell fully mechanized coal face
Support system is in turn divided into several sections from top to bottom, also includes：
The support system includes that it is trapezoidal coal-caving supporter to overlook, and the back timber leading edge of multiple coal-caving supporters is successively along institute
State and move towards the gradient of longwell fully mechanized coal face and move towards to arrange, along described, the neighbouring coal-caving supporter moves towards that longwell is comprehensive to put work
The direction of propulsion for making face forms dislocation delayed successively from top to bottom, and the back timber of multiple coal-caving supporters is overlooked and just adopted along described
Move towards longwell fully mechanized coal face move towards combination form complete work surface plan view shape.
6. a kind of steep-inclined thick coal seam according to claim 5 moves towards longwell longwall top coal caving dynamic segmentation taking and placing technique, its
It is characterised by, described method also includes：
Coal is put in dynamic segmentation from top to bottom, and in each section, described coal-caving supporter is using caving mode from bottom to top.
7. a kind of steep-inclined thick coal seam according to claim 6 moves towards longwell longwall top coal caving dynamic segmentation taking and placing technique, its
It is characterised by, described method also includes：
It is described move towards longwell fully mechanized coal face using stagewise caving mode from top to bottom when, the number of holders in each segmentation
It is dynamically determined according to ocurrence of coal seam and mining conditions.
8. a kind of steep-inclined thick coal seam according to claim 7 moves towards longwell longwall top coal caving dynamic segmentation taking and placing technique, its
It is characterised by, described method also includes:
Arrange that longwell fully mechanized coal face is moved towards for set angle in inclination angle in steep-inclined thick coal seam, the set angle inclines for anxious
2/3rds of oblique high seam inclination angle.
9. a kind of steep-inclined thick coal seam according to claim 1 to 8 any one moves towards longwell longwall top coal caving dynamic segmentation
Taking and placing technique, it is characterised in that after the coal-winning machine is mined, the coal-caving supporter carries out putting coal operation, the drag conveyor
The coal that the coal-winning machine is adopted the coal and coal-caving supporter releasing got off is transported, including：
The coal-winning machine is mined from top to bottom, moves frame from top to bottom, from top to bottom dynamic segmentation, and during coal is put, each is put
Coal is put from bottom to top in coal segmentation, and then carry out second segment puts coal work, and caving mode is identical with first paragraph, until in each section
Whole coal-caving supporters complete to put coal work, so repeat, complete to put coal operation to whole work surface.
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| CN109026000A (en) * | 2018-09-28 | 2018-12-18 | 西安科技大学 | A kind of steep-inclined thick coal seam is bowed pseudo- tiltedly arc inclined cuting layering longwall top coal caving method |
| CN109404028A (en) * | 2018-10-15 | 2019-03-01 | 河南工程学院 | Coal method is put in a kind of starting of the more coal discharge outlets of fully mechanized coal face |
| CN110566204A (en) * | 2019-08-07 | 2019-12-13 | 四川川煤华荣能源股份有限公司 | mining method of large-dip-angle fully-mechanized coal mining face of local thick coal seam |
| CN112343597A (en) * | 2020-11-30 | 2021-02-09 | 中国矿业大学(北京) | Horizontal bottom-cutting descending long-wall fully-mechanized coal mining method for steep non-thick coal seam |
| CN112963137A (en) * | 2021-03-15 | 2021-06-15 | 中国矿业大学(北京) | Underground gasification method for steeply inclined coal seam with inclination angle of more than 70 degrees and coal thickness of less than 5m |
| CN112983422A (en) * | 2021-03-17 | 2021-06-18 | 西安科技大学 | Ore drawing mining method for inclined layered solid deposit |
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| CN109026000A (en) * | 2018-09-28 | 2018-12-18 | 西安科技大学 | A kind of steep-inclined thick coal seam is bowed pseudo- tiltedly arc inclined cuting layering longwall top coal caving method |
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| CN110566204B (en) * | 2019-08-07 | 2021-06-01 | 四川川煤华荣能源股份有限公司 | Mining method of large-dip-angle fully-mechanized coal mining face of local thick coal seam |
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| CN112963137A (en) * | 2021-03-15 | 2021-06-15 | 中国矿业大学(北京) | Underground gasification method for steeply inclined coal seam with inclination angle of more than 70 degrees and coal thickness of less than 5m |
| CN112983422A (en) * | 2021-03-17 | 2021-06-18 | 西安科技大学 | Ore drawing mining method for inclined layered solid deposit |
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