CN116777662A - Filling effect evaluation method based on coal mining - Google Patents

Filling effect evaluation method based on coal mining Download PDF

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CN116777662A
CN116777662A CN202311075774.6A CN202311075774A CN116777662A CN 116777662 A CN116777662 A CN 116777662A CN 202311075774 A CN202311075774 A CN 202311075774A CN 116777662 A CN116777662 A CN 116777662A
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mining area
mining
volume
ore
filling
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CN116777662B (en
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詹召伟
高超
宋庆爽
王传晨
李平洋
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Xiaoyun Coal Mine Of Jining Mining Industry Group Co ltd
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Xiaoyun Coal Mine Of Jining Mining Industry Group Co ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/02Agriculture; Fishing; Mining
    • 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00Pattern recognition
    • G06F18/20Analysing
    • G06F18/24Classification techniques
    • G06F18/241Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00Pattern recognition
    • G06F18/20Analysing
    • G06F18/24Classification techniques
    • G06F18/243Classification techniques relating to the number of classes
    • G06F18/24317Piecewise classification, i.e. whereby each classification requires several discriminant rules
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10Services
    • G06Q50/26Government or public services
    • G06Q50/265Personal security, identity or safety

Abstract

The invention relates to the technical field of data processing, in particular to a filling effect evaluation method based on coal mining, which comprises the following steps: uploading position information of a mining area and mining ore parameter information, constructing a mining area model based on the position information of the mining area, calculating the estimated ore volume of the mining area according to the mining area model, and comparing the ore volume in the mining ore parameter information with the estimated ore volume; the invention constructs a mining area model according to the position information of the mining area in the execution process, and further obtains the volume of the ore obtained by mining by combining the quality of the ore produced by the mining area, thereby further obtaining the size of the mining area space closest to the actual condition by mutually combining and analyzing the volume of the mining area model and the volume of the ore obtained by mining.

Description

Filling effect evaluation method based on coal mining
Technical Field
The invention relates to the technical field of data processing, in particular to a filling effect evaluation method based on coal mining.
Background
Ore refers to a collection of minerals from which useful components can be extracted or which themselves have some property that can be exploited.
The invention patent with application number 201811034412.1 discloses a method for determining internal stress of a solid filling material, which is characterized by comprising the following steps: step 1) collecting stress data of the solid filling material, and fitting the stress-strain relation of the solid filling material: step 2) calculating the surface subsidence amount of the solid filling area based on the equivalent mining height theory and the probability integration method: step 3) calculating the expansion height of the regional fracture zone under the condition of solid filling coal mining; step 4) in combination with steps 2) and 3), calculating the strain in the solid filling material at a distance L behind the stope step 5) calculating the internal stress of the solid filling material at a distance L behind the working surface. The method for determining the internal stress of the solid filling material is characterized in that the method is adopted in the step 1). And acquiring various parameter data of displacement, force and compaction system in the compaction process through a solid filling material compaction test, and fitting the relation between the stress and the strain of the solid filling material.
The application aims at solving the problems: although the technology and theory of coal filling mining are relatively rich after decades of development, the calculation method for the filling body stress of the goaf of solid filling mining is less researched at present, and the method is a problem.
However, when the mining area left by coal mining is backfilled, the backfilling operation of the mining area is started by adopting the foaming material to backfill and performing simple calculation on the amount of the foaming material according to the space parameters of the mining area and the foaming rate of the foaming material, and the backfilling and filling effects of the mining area are poor in the manner that the supporting effect on the mining area is often deteriorated with the lapse of time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a filling effect evaluation method based on coal mining, which solves the technical problems in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a filling effect evaluation method based on coal mining comprises the following steps:
uploading position information of a mining area and mining ore parameter information, constructing a mining area model based on the position information of the mining area, calculating the estimated ore volume of the mining area according to the mining area model, and comparing the ore volume in the mining ore parameter information with the estimated ore volume;
obtaining a comparison result, wherein the ore volume in the mined ore parameter information is not smaller than the estimated ore volume, taking the estimated ore volume as a filling target volume, and further executing uploading operation of the position information of the mining area when the ore volume in the mined ore parameter information is larger than the estimated ore volume;
receiving a filling target volume, acquiring a mining area model corresponding to the filling target volume, acquiring mining area image data, analyzing the mining area rough surface rate based on the mining area image data, and correcting the received filling target volume according to the mining area rough surface rate and the mining area model;
analyzing filling material attribute parameters of the mining area, obtaining the filling material consumption of the mining area, solving the fillable volume of the filling material based on the filling material attribute parameters and the consumption, obtaining a filling target volume correction result, setting a filling effect safety judgment threshold value, carrying out difference calculation on the fillable volume of the filling material and the filling target volume correction result, and judging whether the difference calculation result is within the filling effect safety judgment threshold value;
if the judgment result is yes, the mining area filling result is safe, otherwise, the mining area filling result is unsafe.
Further, the mining area position information and the uploading stage synchronously acquire mining area mining paths, the uploaded mining area position information obeys, uploading logic for uploading more mining area position information is provided when the mining area mining paths are longer, a mining area model stage is constructed based on the mining area position information, the mining area position information is connected with each other by corresponding coordinate points to form a model surface, and the model surfaces are spliced with each other to form a mining area model;
the mining area model is a closed model formed by mutually splicing model surfaces, the mining area volume calculated based on the mining area model, namely the mining area predicted ore production volume, and the mining ore parameter information comprises: the ore output quality and the impurity content in the ore.
Further, the ore volume data in the mined ore parameter information is calculated through the ore yield quality and the impurity content in the ore, and the ore volume is calculated through the following formula;
in the formula :is the mineral volume in the ore; />Is the volume of impurities in the ore;
wherein ,
in the formula :obtaining the mass of the target for the volume; />Is the internal friction angle of the soil; />Is the weight; />Determining a target porosity for the volume, +.>Expressed as poisson's ratio, and->
Further, when the ore volume in the mined ore parameter information is larger than the expected ore volume, the uploading operation stage of the mined area position information is executed again, the number of the single uploading mined area position information is manually set by the user side, the uploading operation stage of the mined area position information is executed again, the uploading operation of the mined area position information is executed according to the number of the single uploading mined area position information set by the user side, and after each uploading is finished, the calculation of the ore volume in the mined ore parameter information is executed once, and the comparison of the ore volume in the mined ore parameter information and the expected ore volume is synchronously carried out until the ore volume in the mined ore parameter information is not smaller than the expected ore volume, and the uploading operation of the mined area position information is finished.
Furthermore, in the mining area image data acquisition stage, the pixels of the mining area images acquired by each group are the same, the mining area areas contained in the images are equal, the roughness of the mining area image corresponding to the mining area is obtained by the mining area image, and the formula is as follows:
in the formula :the roughness of the area in the mining area is corresponding to the mining area image; />The distance between two adjacent wave peaks is the pixel block layer in the image; />Is the distance between the peak and the valley peak;
wherein ,if the area of the mining area image corresponding to the mining area is not rough, otherwise, the mining area image is judged to be rough, the roughness degree of each mining area image is judged through the above method, and then the rough surface rate of the mining area is obtained based on the judgment result, namely ∈ ->,/>A number of mining area images determined to be rough; />Total amount of mining area images for participation in the roughness determination.
Furthermore, the filling target volume is corrected, traversing and reading are synchronously carried out on the mining area model corresponding to the filling target volume, and the number of edges and corners on the model in the mining area model, the number of inclined planes on the model based on the surface of the mining area and the number of path nodes of the mining path corresponding to the mining area are obtained;
when the mining paths of the mining area are straight, the number of the path nodes of the mining paths of the mining area is set to be two groups, and the number of the path nodes of the mining paths of the mining area is not less than two groups.
Still further, the filling target volume correction operation is expressed as:
in the formula :is the ore volume; />The rough surface rate of the mining area is calculated; />The number of the angles on the model in the mining area model is set; />The number of inclined planes on the model of the earth surface of the mining area; />The number of path nodes of the mining path corresponding to the mining area for the model; />、/>、/>And setting logic for setting the larger the weight is, the larger the multiplier of the product operation is, and the larger the value corresponding to the weight is.
Further, the fillable volume of the filler material is determined by the formula:
in the formula :filling the mining area with a quantity of material; />The filling material quality can be stored for the dispensing end of the filling material spraying equipment; />To burst the filling materialDomain interface leakage amount; />A contact area for the firing area of the filler material; />Permeability of contact surface for the filler material burst area; />The molar mass of the filling material; />Repeating the firing of the material for the firing zone fill material; />A single burst of filler material in the burst area; />Is the foaming rate.
Further, if the judgment result of judging whether the difference calculation result is within the filling effect safety judgment threshold is no, further receiving a mining area model corresponding to the filling target volume, setting an edge cutting height by a user side, further cutting edges of the mining area model according to the set edge cutting height, performing volume calculation on the mining area model subjected to edge cutting, performing difference calculation on the filling material fillable volume and the volume calculation result again, setting a filling effect safety judgment threshold again, and performing re-judgment through the filling effect safety judgment threshold;
and when the re-set filling effect safety judgment threshold value is within the range of the first set filling effect safety judgment threshold value, if the re-judgment result is yes, executing the output operation of the mining area model, wherein the user side uses the edge angle on the mining area model as a first filling target, uses filling materials to perform injection filling on the ground surface of the mining area, and if the re-judgment result is not, outputting a difference value calculation result before judgment, and judging that the filling result of the mining area is unsafe.
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. the invention provides a filling effect evaluation method based on coal mining, which comprises the steps of constructing a mining area model according to position information of a mining area in an execution process, further solving the volume of ore obtained by mining by combining the quality of ore produced by the mining area, further analyzing the volume of the mining area model and the volume of ore obtained by mining by combining the volume of the mining area model and the volume of ore obtained by mining, and further solving the spatial volume of the mining area closest to the actual situation, wherein the spatial volume of the mining area is used as a filling basis of the mining area, so that the method not only has filling mining effect evaluation conditions, but also can be used as a filling operation basis of the mining area during backfilling.
2. In the execution process of the method, when the space volume of the mining area is calculated, the calculated space volume of the mining area is more in accordance with the actual size of the mining area by multi-aspect numerical reference, the calculation of the fillable volume of the filling material is further completed based on the characteristics of the filling material and the possible loss in the filling operation process, and the reverse calculation of the required material of the filling material of the mining area can be completed in the mode, so that the method has stronger functionality in the application process and is favorable for popularization and use.
3. In the execution process of the method, the output result of the method can be more accurate through repeated refined acquisition of the volume of the mining area and repeated judgment of the filling effect of the mining area, and the output result of the method is more effective and reliable and has higher reliability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of a mining area model construction logic demonstration in the present invention;
FIG. 2 is a schematic view of a cutting process of one set of corners on a mining area model according to the present invention;
reference numerals in the drawings represent respectively: 1. mining an upper edge angle of the area model; 2. a foot drop auxiliary line; 3. cutting the height.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Example 1
The filling effect evaluation method based on coal mining of the embodiment comprises the following steps:
uploading position information of a mining area and mining ore parameter information, constructing a mining area model based on the position information of the mining area, calculating the estimated ore volume of the mining area according to the mining area model, and comparing the ore volume in the mining ore parameter information with the estimated ore volume;
obtaining a comparison result, wherein the ore volume in the mined ore parameter information is not smaller than the estimated ore volume, taking the estimated ore volume as a filling target volume, and further executing uploading operation of the position information of the mining area when the ore volume in the mined ore parameter information is larger than the estimated ore volume;
receiving a filling target volume, acquiring a mining area model corresponding to the filling target volume, acquiring mining area image data, analyzing the mining area rough surface rate based on the mining area image data, and correcting the received filling target volume according to the mining area rough surface rate and the mining area model;
analyzing filling material attribute parameters of the mining area, obtaining the filling material consumption of the mining area, solving the fillable volume of the filling material based on the filling material attribute parameters and the consumption, obtaining a filling target volume correction result, setting a filling effect safety judgment threshold value, carrying out difference calculation on the fillable volume of the filling material and the filling target volume correction result, and judging whether the difference calculation result is within the filling effect safety judgment threshold value;
if the judgment result is yes, the filling result of the mining area is safe, otherwise, the filling result is unsafe;
calculating ore volume data in the mined ore parameter information through the ore yield quality and the impurity content in the ore, and solving the ore volume through the following formula;
in the formula :is the mineral volume in the ore; />Is the volume of impurities in the ore;
wherein ,
in the formula :obtaining the mass of the target for the volume; />Is the internal friction angle of the soil; />Is the weight; />Determining a target porosity for the volume, +.>Expressed as poisson's ratio, and->
The fill target volume correction operation is expressed as:
in the formula :is the ore volume; />The rough surface rate of the mining area is calculated; />The number of the angles on the model in the mining area model is set; />The number of inclined planes on the model of the earth surface of the mining area; />The number of path nodes of the mining path corresponding to the mining area for the model; />、/>、/>Setting logic that the larger the multiplier of the product operation of the weight is, the larger the value corresponding to the weight is;
if the judgment result of judging whether the difference value calculation result is within the filling effect safety judgment threshold value is negative, further receiving a mining area model corresponding to the filling target volume, setting an edge cutting height by a user side, further cutting edges of the mining area model according to the set edge cutting height, calculating the volume of the mining area model after cutting edges, calculating the difference value between the fillable volume of the filling material and the volume calculation result again, setting a filling effect safety judgment threshold value again, and judging again through the filling effect safety judgment threshold value;
and when the re-set filling effect safety judgment threshold value is within the range of the first set filling effect safety judgment threshold value, if the re-judgment result is yes, executing the output operation of the mining area model, wherein the user side uses the edge angle on the mining area model as a first filling target, uses filling materials to perform injection filling on the ground surface of the mining area, and if the re-judgment result is not, outputting a difference value calculation result before judgment, and judging that the filling result of the mining area is unsafe.
In the embodiment, the filling effect analysis of the coal mining area can be realized through the execution of the method, and in the process of the filling effect analysis, the refined acquisition of the space volume of the mining area and the metering and analysis of the dosage of the filling material can be completed, so that more comprehensive technical support is brought to the repairing work after the coal mining;
referring to fig. 1-2, fig. 1 shows a construction process of a mining area model, and the edge angle 1 on the mining area model marked in fig. 1 extends further to fig. 2, referring to fig. 2, the edge angle 1 on the mining area model is predicted to be on a foot drop auxiliary line 2, a cutting height 3 is obtained, the cutting height 3 is represented by a dotted line, and the cutting operation logic of the mining area model is represented by fig. 1-2.
Example 2
On the concrete implementation level, on the basis of the embodiment 1, the embodiment further specifically describes a filling effect evaluation method based on coal mining in the embodiment 1:
the mining area position information and the uploading stage synchronously acquire mining area mining paths, the uploaded mining area position information obeys, uploading logic for uploading more mining area position information is longer in the mining area mining paths, the mining area model stage is constructed based on the mining area position information, the mining area position information is connected with each other by corresponding coordinate points to form a model surface, and the model surfaces are spliced with each other to form a mining area model;
the mining area model is a closed model formed by mutually splicing model surfaces, the mining area volume calculated based on the mining area model, namely the predicted ore production volume of the mining area, and the mining ore parameter information comprises: the ore output quality and the impurity content in the ore.
With the above arrangement, further construction logic is provided for model construction of the production zone to ensure stable construction of the production zone model.
As shown in fig. 1, when the ore volume in the mined ore parameter information is greater than the expected ore volume, the uploading operation stage of the mined area position information is executed again, the number of the single uploading mined area position information is manually set by the user side, the uploading operation stage of the mined area position information is executed again, the uploading operation of the mined area position information is executed according to the number of the single uploading mined area position information set by the user side, and after each uploading is finished, the calculation of the ore volume in the mined ore parameter information is executed once, and the comparison of the ore volume in the mined ore parameter information and the expected ore volume is synchronously carried out until the ore volume in the mined ore parameter information is not less than the expected ore volume, and the uploading operation of the mined area position information is finished.
Through the arrangement, the ore volume which is primarily calculated in the execution process of the method can be ensured to be more accurate, and the data value which is calculated in the subsequent execution process of the method is further improved to be accurate.
As shown in fig. 1, in the mining area image data acquisition stage, the pixels of the mining area images acquired by each group are identical, the mining area areas contained in the images are identical, the roughness of the mining area image corresponding to the mining area is obtained by the mining area image, and the formula is as follows:
in the formula :the roughness of the area in the mining area is corresponding to the mining area image; />The distance between two adjacent wave peaks is the pixel block layer in the image; />Is the distance between the peak and the valley peak;
wherein ,if the area of the mining area image corresponding to the mining area is not rough, otherwise, the mining area image is judged to be rough, the roughness degree of each mining area image is judged through the above method, and then the rough surface rate of the mining area is obtained based on the judgment result, namely ∈ ->,/>A number of mining area images determined to be rough; />Total amount of mining area images for participation in the roughness determination.
The necessary data support is provided by the above-described arrangement for populating the target volume correction operational expression.
Example 3
On the concrete implementation level, on the basis of the embodiment 1, the embodiment further specifically describes a filling effect evaluation method based on coal mining in the embodiment 1:
the method comprises the steps of correcting a filling target volume, synchronously performing traversal reading on a mining area model corresponding to the filling target volume, and acquiring the number of edges and corners on the model in the mining area model, the number of inclined planes on the model based on the surface of the mining area and the number of path nodes of a mining path of the mining area corresponding to the model;
when the mining paths of the mining area are straight, the number of the path nodes of the mining paths of the mining area is set to be two groups, and the number of the path nodes of the mining paths of the mining area is not less than two groups.
By the arrangement, necessary data source limitation is brought to the calculation formula of the fillable volume of the filling material, and the fillable volume of the filling material obtained by the calculation formula of the fillable volume of the filling material can be stably output.
As shown in fig. 1, the fillable volume of the filler material is determined by the following formula:
in the formula :filling the mining area with a quantity of material; />The filling material quality can be stored for the dispensing end of the filling material spraying equipment; />The amount of leakage of the contact surface of the region sprayed with the filling material; />A contact area for the firing area of the filler material; />Permeability of contact surface for the filler material burst area; />The molar mass of the filling material; />Repeating the firing of the material for the firing zone fill material; />A single burst of filler material in the burst area; />Is the foaming rate.
By the formula, the fillable volume of the filling material can be calculated, necessary data support is provided for the output of the result of the method, and the filling material consumption of the production area can be calculated reversely by the formula, so that the method has more possibility in application.
In summary, in the method in the above embodiment, in the execution process, the mining area model is constructed according to the position information of the mining area, and the ore volume obtained by mining is further obtained by combining the quality of the ore produced by the mining area, so that the spatial volume of the mining area closest to the actual situation of the mining area is further obtained by combining and analyzing the volume of the mining area model and the volume of the ore obtained by mining, and the spatial volume of the mining area is further used as the filling basis of the mining area, so that the method not only has the filling mining effect evaluation condition, but also can be used as the filling operation basis of the mining area during backfilling and filling; meanwhile, in the process of executing the method, when the space volume of the mining area is calculated, the calculated space volume of the mining area is more in accordance with the actual size of the mining area by multi-aspect numerical reference, and further, the calculation of the fillable volume of the filling material is completed based on the characteristics of the filling material and the possible loss in the filling operation process, and the reverse calculation of the required material of the filling material of the mining area can be completed in the mode, so that the method has stronger functionality in the application process and is beneficial to popularization and use; in addition, in the execution process of the method, through repeated refined acquisition of the volume of the mining area and repeated judgment of the filling effect of the mining area, the output result of the method can be more accurate, and the output result of the method is more effective and reliable and has higher reliability.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. The filling effect evaluation method based on coal mining is characterized by comprising the following steps of:
uploading position information of a mining area and mining ore parameter information, constructing a mining area model based on the position information of the mining area, calculating the estimated ore volume of the mining area according to the mining area model, and comparing the ore volume in the mining ore parameter information with the estimated ore volume;
obtaining a comparison result, wherein the ore volume in the mined ore parameter information is not smaller than the estimated ore volume, taking the estimated ore volume as a filling target volume, and further executing uploading operation of the position information of the mining area when the ore volume in the mined ore parameter information is larger than the estimated ore volume;
receiving a filling target volume, acquiring a mining area model corresponding to the filling target volume, acquiring mining area image data, analyzing the mining area rough surface rate based on the mining area image data, and correcting the received filling target volume according to the mining area rough surface rate and the mining area model;
analyzing filling material attribute parameters of the mining area, obtaining the filling material consumption of the mining area, solving the fillable volume of the filling material based on the filling material attribute parameters and the consumption, obtaining a filling target volume correction result, setting a filling effect safety judgment threshold value, carrying out difference calculation on the fillable volume of the filling material and the filling target volume correction result, and judging whether the difference calculation result is within the filling effect safety judgment threshold value;
if the judgment result is yes, the mining area filling result is safe, otherwise, the mining area filling result is unsafe.
2. The filling effect evaluation method based on coal mining according to claim 1, wherein the mining area position information and the uploading stage are synchronized to obtain mining area mining paths, the uploaded mining area position information is compliant, the longer the mining area mining paths are, the more the uploaded mining area position information is uploaded, uploading logic is used for constructing mining area model stages based on the mining area position information, the mining area model stages are connected with each other by corresponding coordinate points of the mining area position information to form model surfaces, and the mining area models are formed by mutually splicing the model surfaces;
the mining area model is a closed model formed by mutually splicing model surfaces, the mining area volume calculated based on the mining area model, namely the mining area predicted ore production volume, and the mining ore parameter information comprises: the ore output quality and the impurity content in the ore.
3. The method for evaluating filling effect based on coal mining according to claim 2, wherein the ore volume data in the mining ore parameter information is calculated by the ore yield and the impurity content in the ore, and the ore volume is obtained by the following formula;
in the formula :is the mineral volume in the ore; />Is the volume of impurities in the ore;
wherein ,
in the formula :for volume determinationThe mass of the target; />Is the internal friction angle of the soil; />Is the weight; />Determining a target porosity for the volume, +.>Expressed as poisson's ratio, and->
4. The method for evaluating filling effect based on coal mining according to claim 1, wherein when the ore volume in the mining ore parameter information is larger than the expected ore volume, the uploading operation stage of the mining area position information is executed again, the number of the single uploading mining area position information is manually set by the user side, the uploading operation stage of the mining area position information is executed again, the uploading operation of the mining area position information is executed according to the number of the single uploading mining area position information set by the user side, and after each uploading is finished, the calculation of the ore volume in the mining ore parameter information is executed once, and the comparison of the ore volume in the mining ore parameter information and the expected ore volume is synchronously carried out until the ore volume in the mining ore parameter information is not smaller than the expected ore volume, and the uploading operation of the mining area position information is ended.
5. The method for evaluating filling effect based on coal mining according to claim 1, wherein in the mining area image data acquisition stage, the pixels of the mining area images acquired by each group are identical and the mining area areas contained in the images are identical, and the mining area images are used for obtaining the roughness of the mining area image corresponding to the mining area by the following formula:
in the formula :the roughness of the area in the mining area is corresponding to the mining area image; />The distance between two adjacent wave peaks is the pixel block layer in the image; />Is the distance between the peak and the valley peak;
wherein ,if the area of the mining area image corresponding to the mining area is not rough, otherwise, the mining area image is judged to be rough, the roughness degree of each mining area image is judged through the above method, and then the rough surface rate of the mining area is obtained based on the judgment result, namely ∈ ->,/>A number of mining area images determined to be rough; />Total amount of mining area images for participation in the roughness determination.
6. The method for evaluating filling effect based on coal mining according to claim 1 or 2, wherein the step of correcting the filling target volume is performed, traversing and reading are performed on a mining area model corresponding to the filling target volume synchronously, and the number of edges on the model, the number of inclined planes on the model based on the surface of the mining area and the number of path nodes of the mining path of the mining area corresponding to the model are obtained;
when the mining paths of the mining area are straight, the number of the path nodes of the mining paths of the mining area is set to be two groups, and the number of the path nodes of the mining paths of the mining area is not less than two groups.
7. The filling effect evaluation method based on coal mining according to claim 6, wherein the filling target volume correction operation is expressed as:
in the formula :is the ore volume; />The rough surface rate of the mining area is calculated; />The number of the angles on the model in the mining area model is set; />The number of inclined planes on the model of the earth surface of the mining area; />The number of path nodes of the mining path corresponding to the mining area for the model; />、/>、/>And setting logic for setting the larger the weight is, the larger the multiplier of the product operation is, and the larger the value corresponding to the weight is.
8. The method for evaluating filling effect based on coal mining according to claim 1, wherein the fillable volume of the filling material is obtained by the following formula:
in the formula :filling the mining area with a quantity of material; />The filling material quality can be stored for the dispensing end of the filling material spraying equipment; />The amount of leakage of the contact surface of the region sprayed with the filling material; />A contact area for the firing area of the filler material;permeability of contact surface for the filler material burst area; />The molar mass of the filling material; />Repeating the firing of the material for the firing zone fill material; />A single burst of filler material in the burst area; />Is the foaming rate.
9. The method for evaluating the filling effect based on coal mining according to claim 1, wherein when the judgment result of judging whether the calculation result of the difference value is within the filling effect safety judgment threshold is negative, further receiving a mining area model corresponding to the filling target volume, setting an edge cutting height by a user side, further carrying out edge cutting on the mining area model according to the set edge cutting height, carrying out volume calculation on the mining area model subjected to edge cutting, carrying out difference value calculation on the fillable volume of the filling material and the calculation result of the volume again, setting a filling effect safety judgment threshold again, and carrying out re-judgment through the filling effect safety judgment threshold;
and when the re-set filling effect safety judgment threshold value is within the range of the first set filling effect safety judgment threshold value, if the re-judgment result is yes, executing the output operation of the mining area model, wherein the user side uses the edge angle on the mining area model as a first filling target, uses filling materials to perform injection filling on the ground surface of the mining area, and if the re-judgment result is not, outputting a difference value calculation result before judgment, and judging that the filling result of the mining area is unsafe.
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