CN108457650B - Wide harmonic extraction method, module, storage medium and system are adopted in change - Google Patents
Wide harmonic extraction method, module, storage medium and system are adopted in change Download PDFInfo
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- 238000000605 extraction Methods 0.000 title claims abstract description 57
- 238000003860 storage Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 141
- 238000005065 mining Methods 0.000 claims abstract description 77
- 238000006073 displacement reaction Methods 0.000 claims abstract description 28
- 239000011435 rock Substances 0.000 claims description 11
- 239000003245 coal Substances 0.000 claims description 8
- 230000009191 jumping Effects 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The present invention proposes that wide harmonic extraction method, module, storage medium and system are adopted in a kind of change, and method includes: that the earth's surface of acquisition production zone allows to adopt dynamic deformation amount；Obtain the mining conditions value of production zone；The observation data of production zone are obtained, observation data include at least: subsidence coefficient, main influence angle tangent value, seam inclination and displacement factor；It obtains subsidence ratio and exploits the relation curve of breadth depth ratio；Allow maximum inclination according to earth's surface, adopt depth, subsidence coefficient, main influence angle tangent value and displacement factor calculates the jump of production zone and adopts face maximum width and production face minimum widith；Face maximum width is adopted according to jump and production face minimum widith determines that practical change adopts the jump used in wide harmonic extraction and adopts face width and production face width.The present invention solved in the prior art due to the problem of being exploited using identical working face size, caused earth's surface by the influence of Adjacent Working Face repeated mining, incrementally increase deflection.
Description
Technical field
Wide harmonic extraction method, module, storage medium are adopted the present invention relates to coal mine field more particularly to a kind of change and are
System.
Background technique
Ecological protection is one of the key problem considered in mining design, the main body of damage of the coal mining to environment
The sinking and deformation of present earth's surface.Surface subsidence is excessive, may cause earth's surface large area ponding in the higher mining area of phreatic table；Deformation
Measure it is excessive so that earth's surface is generated the Discontinuous Deformations such as crack, cause damage or the stream of vegetation, soil moisture content and content of mineral substances
It loses.
In process of production, it should be noted that earth's surface ecology has certain self-reparing capability, that is, adopts and causes ecology one
After the damage for determining degree, surface vegetation in short period of time can spontaneous recovery, will not cause ecology degeneration.Coal mining at present
In, especially close horizontal and gently inclined seam is generally successively exploited using identical working face size, will cause earth's surface by
The influence of Adjacent Working Face repeated mining, incrementally increases deflection.
The currently used method for reducing Mining subsidence has Striping noise, goaf filling exploitation, although these method energy
Mining subsidence degree is reduced, but is unsuitable for modern production mine from resource recovery, production efficiency and cost-benefit etc.
Well.
Summary of the invention
Based on problem above, the present invention proposes that wide harmonic extraction method, module, storage medium and system are adopted in a kind of change, solves
It has determined in the prior art due to being exploited using identical working face size, has caused earth's surface by Adjacent Working Face repeated mining
Influence, the problem of incrementally increasing deflection.
The present invention proposes that wide harmonic extraction method is adopted in a kind of change, comprising:
The earth's surface for obtaining production zone allows to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation amount and allows most including at least earth's surface
Big tilt quantity；
The mining conditions value of production zone is obtained, mining conditions value includes: to adopt depth, adopt thick and overlying rock entirety lithology；
The observation data of production zone are obtained, observation data include at least: subsidence coefficient, main influence angle tangent
Value, seam inclination and displacement factor；
It obtains subsidence ratio and exploits the relation curve of breadth depth ratio；
According to earth's surface allow maximum inclination, adopt depth, subsidence coefficient, it is main influence angle tangent value and move horizontally be
Face maximum width and production face minimum widith are adopted in the jump that number calculates production zone；
Face maximum width is adopted according to jump and production face minimum widith determines that practical change is adopted the jump used in wide harmonic extraction and adopted
Face width and production face width, and become and adopt wide harmonic extraction.
In addition, allowing maximum inclination according to earth's surface, adopting depth, subsidence coefficient, main influence angle tangent value and level
The jump that transport coefficient calculates production zone adopts face maximum width and includes:
Earth's surface largest amount of subsidence is calculated, earth's surface largest amount of subsidence is equal to subsidence coefficient, displacement factor and coal seam
The product of the cosine value three at inclination angle；
The maximum allowable deflection of earth's surface is calculated, the maximum allowable deflection of earth's surface, which is equal to adopt, is influencing angle just divided by main deeply
Value and earth's surface after cutting value allow the product of maximum inclination；
Calculate subsidence ratio, subsidence ratio is equal to the maximum allowable deflection of earth's surface divided by earth's surface after abundant exploitation most
Big deflection；
In subsidence ratio and exploits and find the corresponding breadth depth ratio of subsidence ratio and conduct on the relation curve of breadth depth ratio
Maximum breadth depth ratio；
It calculates to jump and adopts face maximum width, jump adopts face maximum width and is equal to maximum breadth depth ratio and adopts deep product.
In addition, allowing maximum inclination according to earth's surface, adopting depth, subsidence coefficient, main influence angle tangent value and level
Transport coefficient calculate production zone production face minimum widith include:
The abundant mining width of working face is calculated, the abundant mining width of working face is equal to maximum breadth depth ratio and adopts deep product；
Production face minimum widith is calculated, production face minimum widith is equal to the abundant mining width of working face and the maximum width in face is adopted in jump
The difference of degree.
In addition, according to jump adopt face maximum width and production face minimum widith determine it is practical become to adopt used in wide harmonic extraction
Face width is adopted in jump and production face width includes:
Face width is adopted using jumping to adopt face maximum width and adopt the jump used in wide harmonic extraction as practical change, and selection is greater than opening
It adopts face minimum widith and meets the width of winning apparatus size to adopt the production face used in wide harmonic extraction as practical change wide
Degree.
In addition, carrying out change to adopt wide harmonic extraction including: winning apparatus first with production face width into the progress of practical mining width
Exploitation, then adopting face width again with jump is that practical mining width is exploited；Or winning apparatus first adopts face width to jump as in fact
Border mining width is exploited, and is then exploited again with production face width for practical mining width.
In addition, subsidence ratio and subsidence ratio in the relation curve of exploitation breadth depth ratio are bigger, subsidence ratio is corresponding
Recovery percent it is more abundant.
The present invention also proposes that wide harmonic extraction device is adopted in a kind of change, comprising:
First obtains module, and the earth's surface for obtaining production zone allows to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation amount
Allow maximum inclination including at least earth's surface；
Second obtains module, for obtaining the mining conditions value of production zone, mining conditions value include: adopt depth, adopt it is thick and
Overlying rock entirety lithology；
Third obtains module, and for obtaining the observation data of production zone, observation data are included at least: surface subsidence system
Number, main influence angle tangent value, seam inclination and displacement factor；
Drafting module, for obtaining subsidence ratio and exploiting the relation curve of breadth depth ratio；
Computing module, for allowing maximum inclination according to earth's surface, adopting depth, subsidence coefficient, main influence angle tangent
Face maximum width and production face minimum widith are adopted in the jump that value and displacement factor calculate production zone；
Selected module determines that practical become adopts wide harmonic extraction for adopting face maximum width and production face minimum widith according to jump
Face width and production face width are adopted in the jump of middle use, and become and adopted wide harmonic extraction.
The present invention also proposes a kind of storage medium, comprising:
The storage medium stores computer instruction, above-mentioned for executing when computer executes the computer instruction
Wide harmonic extraction method is adopted in described in any item changes.
The present invention also proposes that wide harmonic extraction system, including at least one processor are adopted in a kind of change；And with it is described at least
The memory of one processor communication connection；Wherein, the memory is stored with the instruction that can be executed by one processor,
Described instruction is executed by least one described processor so that at least one described processor can:
The earth's surface for obtaining production zone allows to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation amount and allows most including at least earth's surface
Big tilt quantity；
The mining conditions value of production zone is obtained, mining conditions value includes: to adopt depth, adopt thick and overlying rock entirety lithology；
The observation data of production zone are obtained, observation data include at least: subsidence coefficient, main influence angle tangent
Value, seam inclination and displacement factor；
It obtains subsidence ratio and exploits the relation curve of breadth depth ratio；
According to earth's surface allow maximum inclination, adopt depth, subsidence coefficient, it is main influence angle tangent value and move horizontally be
Face maximum width and production face minimum widith are adopted in the jump that number calculates production zone；
Face maximum width is adopted according to jump and production face minimum widith determines that practical change is adopted the jump used in wide harmonic extraction and adopted
Face width and production face width, and become and adopt wide harmonic extraction.
By using above-mentioned technical proposal, have the following beneficial effects:
The present invention is solved in the prior art due to being exploited using identical working face size, causes earth's surface by phase
The influence of adjacent working face repeated mining, the problem of incrementally increasing deflection；Due to using become adopt it is wide by the way of so that exploitation
Equipment no longer carries out order mining to production zone, so earth's surface substep is made to deform, change caused by avoiding because of order mining
The cumulative larger damage for causing earth's surface ecology of shape.
Detailed description of the invention
Fig. 1 is the flow chart provided by one embodiment of the present invention for becoming and adopting wide harmonic extraction method；
Fig. 2 is the flow chart provided by one embodiment of the present invention for becoming and adopting wide harmonic extraction method；
Fig. 3 is the schematic diagram of the relation curve of subsidence ratio provided by one embodiment of the present invention and exploitation breadth depth ratio；
Fig. 4 is that wide cooperative recovery method and traditional order mining method are adopted in change provided by one embodiment of the present invention
Comparative result schematic diagram；
Fig. 5 is design scheme provided by one embodiment of the present invention and mining sequence schematic diagram；
Fig. 6 is the module map provided by one embodiment of the present invention for becoming and adopting wide harmonic extraction device.
Specific embodiment
Below in conjunction with specific embodiment and attached drawing, the present invention is further described in detail.It is only intended to explain in detail
Specific embodiments of the present invention are stated, any restrictions are not generated to the present invention, protection scope of the present invention is with claims
Subject to.
Referring to Fig.1, the present invention proposes that wide harmonic extraction method is adopted in a kind of change, comprising:
Step S001, the earth's surface for obtaining production zone allow to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation amount and includes at least
Earth's surface allows maximum inclination；
Step S002, obtains the mining conditions value of production zone, and mining conditions value includes: to adopt depth, adopt thick and overlying rock
Whole lithology；
Step S003 obtains the observation data of production zone, and observation data include at least: subsidence coefficient, main shadow
Ring angle tangent value, seam inclination and displacement factor；
Step S004 obtains subsidence ratio and exploits the relation curve of breadth depth ratio；
Step S005, according to earth's surface allow maximum inclination, adopt depth, subsidence coefficient, it is main influence angle tangent value and
Face maximum width and production face minimum widith are adopted in the jump that displacement factor calculates production zone；
Step S006 adopts face maximum width according to jump and production face minimum widith determines that practical change is adopted in wide harmonic extraction and adopts
Face width and production face width are adopted in jump, and become and adopted wide harmonic extraction.
Surface movement is one and is controlled the process gradually occurred by time and space, when exploitation size is smaller, surface subsidence
It is smaller with deflection, and when exploit size it is very big when, earth's surface formed it is large range of flat, cause the deflection of earth's surface compared with
It is small, so as to reduce the mining influence of earth's surface.In order to make full use of the selfreparing feature of earth's surface ecology, exploitation pair is reduced as far as possible
The influence degree of ecology, the as far as possible deformation of control earth's surface can be in the threshold ranges of selfreparing, so the embodiment of the present invention in ecology
Become and adopts wide cooperative exploitation.
The earth's surface for obtaining production zone in the embodiment of the present invention first allows to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation amount
Dynamic deformation amount is adopted for earth's surface is maximum allowable, earth's surface allows to adopt dynamic deformation amount and obtains according to research data or experience, for determining
The earth's surface that mining area's earth's surface ecology can be born allows to adopt dynamic deformation amount, and it includes maximum inclination and level that earth's surface, which allows to adopt dynamic deformation amount,
Deflection etc.；The mining conditions value for obtaining production zone later, the geology by collecting mining Design region are exploited data and are obtained
Mining conditions value；The observation data of production zone are obtained by collecting the previous terrene shift observing achievement in mining area, observation data are also
Including terrene shift observing data etc.；It obtains subsidence ratio and exploits the relation curve of breadth depth ratio, according to terrene shift observing
Achievement makes subsidence ratio and exploits the relation curve of breadth depth ratio or the relation curve of multiplexing drafting before, for similarly
The production zone of matter condition and rock stratum, the relation curve of reusable subsidence ratio and exploitation breadth depth ratio, subsidence ratio
Relation curve with exploitation breadth depth ratio is the relation curve that subsidence ratio follows exploitation breadth depth ratio variation.
After calculating jump and adopting the data acquisition of face maximum width and production face minimum widith, allowed according to earth's surface maximum
Tilt quantity, the jump for adopting depth, subsidence coefficient, main influence angle tangent value and displacement factor calculating production zone adopt face most
Big width and production face minimum widith.
Face maximum width and production face minimum widith are adopted when calculating jump, face maximum width and production face can be adopted according to jump
The production face width used in wide harmonic extraction is adopted in the practical change of minimum widith selection and face width is adopted in jump.
In actually exploitation, the more abundant the adequacy degree for jumping face of adopting the better, i.e., production zone disposably adopt it is wide more big more
Good, production efficiency is also higher, it is possible to select jump to adopt face maximum width as jump and adopt face width, in order to increase surface movement basin
The area (i.e. the region of reduction earth's surface deformation) in the flat region in ground, jump, which adopts the sum of face width and production face width at least, should be such that jump adopts
Area reaches abundant exploitation, so need first to calculate production face minimum widith, and the value for being greater than production face minimum widith is theoretical
On can take and do production face width, but in practical exploitation, it is contemplated that ability, the working surface production ability of winning apparatus are wanted
It asks, needs to select it according to the ability and actual production demand of winning apparatus.
Optionally, it should be made such as to reduce earth's surface deformation process with maximum recovery rate Fast Algorithm for Mining when production face is exploited
Isostatic settling as elevator, so that large range of flat region is formed, to reduce exploitation to the influence degree of ecology.
The present embodiment is solved in the prior art by way of converting mining width due to using identical working face ruler
Little progress row exploitation, the problem of causing earth's surface by the influence of Adjacent Working Face repeated mining, incrementally increase deflection；Due to adopting
Wide mode is adopted with becoming, so that winning apparatus no longer carries out order mining to production zone, so becoming earth's surface substep
Shape avoids deforming the cumulative larger damage for causing earth's surface ecology caused by because of order mining.
The present embodiment bears the new solution of the deformed selfreparing feature extraction of a degree of earth's surface based on earth's surface ecology
Certainly scheme makes the nearly horizontal or gently inclined seam mining conditions that will not cause surface pond after surface subsidence, highly efficient and productive
Under the premise of, it is ensured that ground ecology is by mining influence degree can be in the threshold value of selfreparing.
Referring to Fig. 2, the embodiment of the present invention proposes that wide harmonic extraction method is adopted in a kind of change, comprising:
Step S201, the earth's surface for obtaining production zone allow to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation amount and includes at least
Earth's surface allows maximum inclination；Such as earth's surface allows maximum inclination 4mm/m.
Step S202, obtains the mining conditions value of production zone, and mining conditions value includes: to adopt depth, adopt thick and overlying rock
Whole lithology；
Step S203 obtains the observation data of production zone, and observation data include at least: subsidence coefficient, main shadow
Ring angle tangent value, seam inclination and displacement factor；
Step S204 obtains subsidence ratio and exploits the relation curve of breadth depth ratio；
Subsidence ratio and subsidence ratio in the relation curve of exploitation breadth depth ratio are bigger, the corresponding exploitation of subsidence ratio
Degree is more abundant；The value interval sufficiently exploited can be found by the relation curve of subsidence ratio and exploitation breadth depth ratio.
Step S205, according to earth's surface allow maximum inclination, adopt depth, subsidence coefficient, it is main influence angle tangent value and
The jump that displacement factor calculates production zone adopts face maximum width and includes:
Earth's surface largest amount of subsidence is calculated, earth's surface largest amount of subsidence is equal to subsidence coefficient, displacement factor and coal seam
The product of the cosine value three at inclination angle；
The maximum allowable deflection of earth's surface is calculated, the maximum allowable deflection of earth's surface, which is equal to adopt, is influencing angle just divided by main deeply
Value and earth's surface after cutting value allow the product of maximum inclination；
Calculate subsidence ratio, subsidence ratio is equal to the maximum allowable deflection of earth's surface divided by earth's surface after abundant exploitation most
Big deflection；
In subsidence ratio and exploits and find the corresponding breadth depth ratio of subsidence ratio and conduct on the relation curve of breadth depth ratio
Maximum breadth depth ratio；
It calculates to jump and adopts face maximum width, jump adopts face maximum width and is equal to maximum breadth depth ratio and adopts deep product.Pass through calculating
Jump adopts face maximum width and obtains jumping the maximum value for adopting face width, gives the value upper limit jumped and adopt face width.
Step S206, according to earth's surface allow maximum inclination, adopt depth, subsidence coefficient, it is main influence angle tangent value and
Displacement factor calculate production zone production face minimum widith include:
The abundant mining width of working face is calculated, the abundant mining width of working face is equal to maximum breadth depth ratio and adopts deep product；
Production face minimum widith is calculated, production face minimum widith is equal to the abundant mining width of working face and the maximum width in face is adopted in jump
The difference of degree.The minimum value of production face width is obtained by calculating production face minimum widith, as long as production face width is greater than most
Small value.
Step S207 adopts face maximum width according to jump and production face minimum widith determines that practical change is adopted in wide harmonic extraction and adopts
Face width is adopted in jump and production face width includes:
Face width is adopted using jumping to adopt face maximum width and adopt the jump used in wide harmonic extraction as practical change, and selection is greater than opening
It adopts face minimum widith and meets the width of winning apparatus size to adopt the production face used in wide harmonic extraction as practical change wide
Degree.
Step S208 carries out change and adopts wide harmonic extraction to include: that winning apparatus first adopts face width to jump as practical mining width
It is exploited, is then exploited again with production face width for practical mining width；Or winning apparatus is first with production face width
It is exploited for practical mining width, then adopting face width again with jump is that practical mining width is exploited.
Concrete example is illustrated the above process below:
Certain well work produces mine, above covers for medium ground, and flat seam, that is, seam inclination is 0 degree, adopts deep 300m, adopts thickness
3.0m, the mining area surface subsidence factor 0.8 is main to influence angle tangent value 2.0, and displacement factor 0.3 designs production zone
2000mx3000m.It is exploited using comprehensive mechanization caving method, average daily maximum fltting speed is 20m/d.Regional vegetation can bear ground
Table maximum inclination is 4mm/m.
Adopt that wide cooperative recovery method adopts face width to the jump in the region and production face is wide using change provided in this embodiment
Degree design is as follows:
(1) earth's surface largest amount of subsidence, the earth's surface largest amount of subsidence=coal seam subsidence coefficient x displacement factor x are calculated
The cosine value at inclination angle substitutes into data and obtains: 0.8x3.0xcos0 °=2400mm, earth's surface largest amount of subsidence is 2400mm.
The maximum allowable deflection of earth's surface is calculated, the maximum allowable deflection of earth's surface=adopting deep/mainly influences angle tangent value
Value x earth's surface afterwards allows maximum inclination, substitutes into data and obtains: 4x (300/2.0)=600mm, the maximum allowable sinking of earth's surface
Amount is 600mm, which is calculated when maximum inclination is 5mm/m.
(2) subsidence ratio, the maximum allowable deflection of subsidence ratio=earth's surface/earth's surface largest amount of subsidence, generation are calculated
Enter data are as follows: 600/2400=0.25, subsidence ratio 0.25.
(3) it calculates to jump and adopts face maximum width, jump adopts face maximum width=maximum breadth depth ratio x and adopts depth, substitutes into data are as follows:
0.5x300=150m, it is 150m that face maximum width is adopted in jump.
(4) the abundant mining width of working face is calculated, the abundant mining width of working face=maximum breadth depth ratio x adopts depth, substitutes into number
According to are as follows: 1.1x300=330m, the abundant mining width of working face are 330m.In curve shown in Fig. 3, subsidence ratio is found
Corresponding breadth depth ratio, the breadth depth ratio are maximum breadth depth ratio.
(5) production face minimum widith is calculated, it is maximum wide that face is adopted in the abundant mining width-jump of production face minimum widith=working face
Degree substitutes into data are as follows: 330-150=180m.
According to the mine actual production conditions, fltting speed maximum is up to 20m/d, therefore, selects to jump and adopts face maximum width
150m is to jump to adopt face width, selects 300m as production face width, with guarantee production face day fltting speed for 20m/d,
It in permanent productive limit, is manually repaired, flat region selfreparing.Specific size design is as shown in Figure 5.
In the present embodiment using become adopt it is wide by the way of exploited, due to interval exploit, no longer it is carried out in sequence
Exploitation avoids and carries out the problem of exploitation causes deformation gradually to be accumulated to it in sequence.
It is as shown in Figure 4 with traditional order mining comparison result that wide cooperative exploitation is adopted in change.
According to comparing result it is found that in addition to Striping noise, it is suitable to adopt wide cooperative production ratio for change in terms of controlling earth's surface deformation
Sequence exploitation and whole filling minings have superiority, and surface subsidence is as order mining, although Striping noise is in control earth's surface
Sink and deformation aspect all has good effect, but its rate of extraction is low, production efficiency, the production for being unsuitable for modernization needs
It asks.
Referring to shown in Fig. 6, the present invention proposes that wide harmonic extraction device is adopted in a kind of change, comprising:
First obtains module 601, and the earth's surface for obtaining production zone allows to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation
Amount, which includes at least earth's surface, allows maximum inclination；
Second obtains module 602, and for obtaining the mining conditions value of production zone, mining conditions value includes: to adopt depth, adopt thickness
With overlying rock entirety lithology；
Third obtains module 603, and for obtaining the observation data of production zone, observation data are included at least: surface subsidence
Coefficient, main influence angle tangent value, seam inclination and displacement factor；
Drafting module 604, for obtaining subsidence ratio and exploiting the relation curve of breadth depth ratio；
Computing module 605, for allowing maximum inclination according to earth's surface, adopting depth, subsidence coefficient, main influence angle just
Face maximum width and production face minimum widith are adopted in the jump for cutting value and displacement factor calculating production zone；
Selected module 606 determines that practical become adopts wide coordination for adopting face maximum width and production face minimum widith according to jump
Face width and production face width are adopted in the jump used in exploitation, and become and adopted wide harmonic extraction.
The present invention also proposes a kind of storage medium, comprising:
The storage medium stores computer instruction, above-mentioned for executing when computer executes the computer instruction
Wide harmonic extraction method is adopted in change described in any embodiment.
The present invention also proposes that wide harmonic extraction system, including at least one processor are adopted in a kind of change；And with it is described at least
The memory of one processor communication connection；Wherein, the memory is stored with the instruction that can be executed by one processor,
Described instruction is executed by least one described processor so that at least one described processor can:
The earth's surface for obtaining production zone allows to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation amount and allows most including at least earth's surface
Big tilt quantity；
The mining conditions value of production zone is obtained, mining conditions value includes: to adopt depth, adopt thick and overlying rock entirety lithology；
The observation data of production zone are obtained, observation data include at least: subsidence coefficient, main influence angle tangent
Value, seam inclination and displacement factor；
It obtains subsidence ratio and exploits the relation curve of breadth depth ratio；
According to earth's surface allow maximum inclination, adopt depth, subsidence coefficient, it is main influence angle tangent value and move horizontally be
Face maximum width and production face minimum widith are adopted in the jump that number calculates production zone；
Face maximum width is adopted according to jump and production face minimum widith determines that practical change is adopted the jump used in wide harmonic extraction and adopted
Face width and production face width, and become and adopt wide harmonic extraction.
Above-described is only the principle of the present invention and preferred embodiment.It should be pointed out that for the common skill of this field
For art personnel, on the basis of the principle of the invention, several other modifications can also be made, also should be regarded as protection model of the invention
It encloses.
Claims (7)
1. wide harmonic extraction method is adopted in a kind of change characterized by comprising
The earth's surface for obtaining production zone allows to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation amount allows maximum to incline including at least earth's surface
Gradient；
The mining conditions value of production zone is obtained, mining conditions value includes: to adopt depth, adopt thick and overlying rock entirety lithology；
The observation data of production zone are obtained, observation data include at least: subsidence coefficient, main influence angle tangent value, coal
Inclination layer and displacement factor；
It obtains subsidence ratio and exploits the relation curve of breadth depth ratio；
Allow maximum inclination according to earth's surface, adopt depth, subsidence coefficient, main influence angle tangent value and displacement factor meter
Face maximum width and production face minimum widith are adopted in the jump for calculating production zone；
It adopts face maximum width and production face minimum widith according to jumping and determines that practical become adopts the jump used in wide harmonic extraction to adopt face wide
Degree and production face width, and become and adopt wide harmonic extraction；
Allow maximum inclination according to earth's surface, adopt depth, subsidence coefficient, main influence angle tangent value and displacement factor meter
The jump for calculating production zone adopts face maximum width and includes:
Earth's surface largest amount of subsidence is calculated, earth's surface largest amount of subsidence is equal to subsidence coefficient, displacement factor and seam inclination
Cosine value three product；
The maximum allowable deflection of earth's surface is calculated, the maximum allowable deflection of earth's surface, which is equal to adopt, influences angle tangent value divided by main deeply
Value and earth's surface afterwards allows the product of maximum inclination；
Subsidence ratio is calculated, subsidence ratio is equal to the maximum allowable deflection of earth's surface divided by under earth's surface maximum after abundant exploitation
Heavy amount；
In subsidence ratio and exploits and find the corresponding breadth depth ratio of subsidence ratio on the relation curve of breadth depth ratio and as maximum
Breadth depth ratio；
It calculates to jump and adopts face maximum width, jump adopts face maximum width and is equal to maximum breadth depth ratio and adopts deep product；
Allow maximum inclination according to earth's surface, adopt depth, subsidence coefficient, main influence angle tangent value and displacement factor meter
Calculate production zone production face minimum widith include:
The abundant mining width of working face is calculated, the abundant mining width of working face is equal to maximum breadth depth ratio and adopts deep product；
Calculate production face minimum widith, production face minimum widith be equal to the abundant mining width of working face and jump adopt face maximum width it
Difference.
2. wide harmonic extraction method is adopted in change according to claim 1, which is characterized in that
It adopts face maximum width and production face minimum widith according to jumping and determines that practical become adopts the jump used in wide harmonic extraction to adopt face wide
Degree and production face width include:
Face width is adopted using jumping to adopt face maximum width and adopt the jump used in wide harmonic extraction as practical change, selection is greater than production face
Minimum widith and the width for meeting winning apparatus size become as reality adopts the production face width used in wide harmonic extraction.
3. wide harmonic extraction method is adopted in change according to claim 1, which is characterized in that
It carries out change and adopts wide harmonic extraction to include: that winning apparatus is first exploited with production face width into practical mining width, then
Adopting face width again with jump is that practical mining width is exploited；Or winning apparatus first adopts face width to jump as practical mining width
It is exploited, is then exploited again with production face width for practical mining width.
4. wide harmonic extraction method is adopted in change according to any one of claims 1 to 3, which is characterized in that
Subsidence ratio and subsidence ratio in the relation curve of exploitation breadth depth ratio are bigger, the corresponding recovery percent of subsidence ratio
It is more abundant.
5. wide harmonic extraction device is adopted in a kind of change characterized by comprising
First obtains module, and the earth's surface for obtaining production zone allows to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation amount at least
Allow maximum inclination including earth's surface；
Second obtains module, for obtaining the mining conditions value of production zone, mining conditions value include: adopt depth, adopt it is thick and on cover
Rock stratum entirety lithology；
Third obtains module, and for obtaining the observation data of production zone, observation data are included at least: subsidence coefficient, master
Influence angle tangent value, seam inclination and displacement factor；
Drafting module, for obtaining subsidence ratio and exploiting the relation curve of breadth depth ratio；
Computing module, for according to earth's surface allow maximum inclination, adopt depth, subsidence coefficient, it is main influence angle tangent value and
Face maximum width and production face minimum widith are adopted in the jump that displacement factor calculates production zone；
Selected module, for according to jump adopt face maximum width and production face minimum widith determine it is practical become to adopt in wide harmonic extraction adopt
Face width and production face width are adopted in jump, and become and adopted wide harmonic extraction.
6. a kind of storage medium characterized by comprising
The storage medium stores computer instruction, when computer executes the computer instruction, requires 1 for perform claim
Wide harmonic extraction method is adopted to change described in any one of 4.
7. wide harmonic extraction system is adopted in a kind of change, which is characterized in that including at least one processor；And with described at least one
The memory of a processor communication connection；Wherein, the memory is stored with the instruction that can be executed by one processor, institute
State instruction by least one described processor execute so that at least one described processor can:
The earth's surface for obtaining production zone allows to adopt dynamic deformation amount, and earth's surface allows to adopt dynamic deformation amount allows maximum to incline including at least earth's surface
Gradient；
The mining conditions value of production zone is obtained, mining conditions value includes: to adopt depth, adopt thick and overlying rock entirety lithology；
The observation data of production zone are obtained, observation data include at least: subsidence coefficient, main influence angle tangent value, coal
Inclination layer and displacement factor；
It obtains subsidence ratio and exploits the relation curve of breadth depth ratio；
Allow maximum inclination according to earth's surface, adopt depth, subsidence coefficient, main influence angle tangent value and displacement factor meter
Face maximum width and production face minimum widith are adopted in the jump for calculating production zone；
It adopts face maximum width and production face minimum widith according to jumping and determines that practical become adopts the jump used in wide harmonic extraction to adopt face wide
Degree and production face width, and become and adopt wide harmonic extraction.
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Citations (4)
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|---|---|---|---|---|
| US4155595A (en) * | 1975-07-22 | 1979-05-22 | Kaiser Resources, Ltd. | Mining method and apparatus |
| US4195886A (en) * | 1977-01-24 | 1980-04-01 | Roye Henry L | Radial mining method |
| CN1032378A (en) * | 1987-09-26 | 1989-04-12 | 抚顺矿务局 | Slow down the method and the facilities and equipments thereof of bank surface subsidence |
| CN1213738A (en) * | 1998-04-06 | 1999-04-14 | 何纯耀 | Method of determination of reasonable mining width under strip coal layer |
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2017
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| US4155595A (en) * | 1975-07-22 | 1979-05-22 | Kaiser Resources, Ltd. | Mining method and apparatus |
| US4195886A (en) * | 1977-01-24 | 1980-04-01 | Roye Henry L | Radial mining method |
| CN1032378A (en) * | 1987-09-26 | 1989-04-12 | 抚顺矿务局 | Slow down the method and the facilities and equipments thereof of bank surface subsidence |
| CN1213738A (en) * | 1998-04-06 | 1999-04-14 | 何纯耀 | Method of determination of reasonable mining width under strip coal layer |
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| Title |
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| 基于"采－充－留"技术的岩层控制效果和机理研究;阎跃观;《煤矿开采》;20160415(第2期);第64页第1栏第1段-第68页第2栏最后一段 * |
| 峰峰矿区不同开采条件下地表沉陷规律;郝延绵等;《煤矿安全》;20070210(第2期);第33页第1栏第1段-35页第2栏最后一段 * |
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