CN112907023A - Numerical simulation method for converting phosphate pit open-pit mining into underground mining - Google Patents
Numerical simulation method for converting phosphate pit open-pit mining into underground mining Download PDFInfo
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- CN112907023A CN112907023A CN202110046165.2A CN202110046165A CN112907023A CN 112907023 A CN112907023 A CN 112907023A CN 202110046165 A CN202110046165 A CN 202110046165A CN 112907023 A CN112907023 A CN 112907023A
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- 238000005065 mining Methods 0.000 title claims abstract description 210
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004088 simulation Methods 0.000 title claims abstract description 20
- 229910019142 PO4 Inorganic materials 0.000 title claims abstract description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims abstract description 8
- 239000010452 phosphate Substances 0.000 title claims abstract description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 21
- 239000011707 mineral Substances 0.000 claims abstract description 21
- 230000007704 transition Effects 0.000 claims abstract description 21
- 239000002367 phosphate rock Substances 0.000 claims abstract description 19
- 239000011435 rock Substances 0.000 claims abstract description 15
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 238000011161 development Methods 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 238000013461 design Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000009897 systematic effect Effects 0.000 abstract description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 229910052586 apatite Inorganic materials 0.000 description 6
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 6
- 235000021317 phosphate Nutrition 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000002686 phosphate fertilizer Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- CKMXBZGNNVIXHC-UHFFFAOYSA-L ammonium magnesium phosphate hexahydrate Chemical compound [NH4+].O.O.O.O.O.O.[Mg+2].[O-]P([O-])([O-])=O CKMXBZGNNVIXHC-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052585 phosphate mineral Inorganic materials 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- -1 phosphorus-aluminum-strontium Chemical compound 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052567 struvite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION 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
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/067—Enterprise or organisation modelling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION 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
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06313—Resource planning in a project environment
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION 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
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06314—Calendaring for a resource
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION 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
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/02—Agriculture; Fishing; Mining
Abstract
The invention provides a numerical simulation method for converting an open pit to an underground mining of a phosphate rock pit, and relates to the technical field of phosphate rock mining. The numerical simulation method for converting the open pit mining to the underground mining of the phosphate pit comprises the following specific steps: s1, increasing comprehensive analysis and overall planning of exploration, design and infrastructure work of an open-pit mining area and an underground mining area, and increasing early-stage development preparation investment of the underground mining area before all the minerals in the open-pit mining area are mined; s2, in order to guarantee normal mining of the strip mine area, the movement of the slope rocks needs to be strictly controlled, the slope rocks are prevented from moving to cause great damage and influence on normal mining of the strip mine area, and during the period, rock mass displacement and deformation monitoring and forecasting are strictly carried out. By designing a systematic simulation method, the mining yields of the open-pit mining area and the underground mining area can be reasonably arranged according to the collected data, and the production cost in the transition period is reduced under the condition of not reducing the yield, so that the overall operation efficiency is greatly improved, and the method is worthy of vigorous popularization.
Description
Technical Field
The invention relates to the technical field of phosphorite mining, in particular to a numerical simulation method for converting an open pit mining to an underground mining in a phosphorite pit.
Background
Phosphorite is a general term for phosphate minerals which can be utilized economically, is an important chemical mineral raw material, can be used for preparing phosphate fertilizer, can also be used for preparing yellow phosphorus, phosphoric acid, phosphide and other phosphates, and can be used for industrial departments such as medicine, food, match, dye, sugar, ceramics, national defense and the like; the industrial application of phosphorus ores has been in the past hundred years, and the phosphorus ores can be divided into apatite and phosphorite according to different causes; apatite refers to phosphate rock in which phosphorus appears in magma rock and metamorphic rock in the form of crystalline apatite; the phosphorite refers to a stack body formed by exogenesis and composed of aphanitic or micro-aphanitic apatite and other gangue minerals; the main phosphorus-containing mineral for extracting phosphorus in industry is apatite, and then has phosphorus-aluminum-strontium stone, struvite, ferrocyanite and the like, about 95% of phosphorus elements in nature are concentrated in the apatite, and the phosphorite exploitation only selects rich ore with good geographical position, convenient transportation and easy exploitation, and can meet the requirement of phosphate fertilizer production without enrichment treatment. With the development of phosphate fertilizer industry, the demand of phosphate rock is rapidly increased, especially the demand of high-concentration compound fertilizer production on high-quality phosphate rock is correspondingly increased, and the production mode of only exploiting shallow rich phosphate rock cannot meet the requirement. Under the condition, the production mode of producing commercial phosphorite is rapidly developed by exploiting phosphorite resources with low grade and carrying out enrichment processing treatment.
Phosphorite is a common mineral, and the conversion from open-pit mining to underground mining refers to a method of firstly using open-pit mining on the upper part and converting the lower part to underground mining when the covering layer of an ore deposit is thin and extends greatly, and the technology of converting open-pit mining to underground mining often faces the phenomenon of yield reduction transition, so that the economic benefit of mining is seriously influenced, and the safe production environment of an ore area is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a numerical simulation method for converting open pit mining to underground mining of a phosphate pit, which solves the problems that the open pit mining technology is often in transition from production reduction to underground mining technology, the economic benefit of mining is seriously influenced, and the safe production environment of a mining area is also influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a numerical simulation method for converting an open pit to underground mining of a phosphate pit comprises the following specific steps:
s1, increasing comprehensive analysis and overall planning of exploration, design and infrastructure work of an open-pit mining area and an underground mining area, and increasing early-stage development preparation investment of the underground mining area before all the minerals in the open-pit mining area are mined;
s2, in order to ensure normal mining of the strip mining area, the movement of the slope rock needs to be strictly controlled, so that the condition that the movement of the slope rock is greatly damaged and normal mining of the strip mining area is influenced is prevented, during the period, rock mass displacement and deformation monitoring and forecasting are strictly carried out, and the investment cost of synchronous mining of the strip mining area and the underground mining area is reduced on the premise of ensuring safe mining;
s3, respectively measuring the residual quantity of the mineral products in the strip mining area and the total mineral yield of the underground mining area, and uniformly collecting, arranging and summarizing measured data;
s4, importing the data collected in the open-pit mining area into special system software, and simulating the residual ore yield of the open-pit mining area and the residual mineable days under the condition of ensuring normal mining amount by using a computer;
s5, simulating and calculating various devices, auxiliary tools, personnel, time and related costs required by the underground mining area to achieve the existing yield by using computer software according to the collected related information of the underground mining area;
s6, according to the data obtained in S4 and S5, a computer is used for carrying out detailed calculation and analysis on cost, time and yield, the cost which needs to be shared and invested in the transition period from the open-pit mining area to the underground mining area is specifically planned, meanwhile, according to the data obtained through analysis, manpower and related equipment resources which need to be arranged for mining in the open-pit mining area and the underground mining area in the transition period are specifically arranged, and the condition that when the open-pit mining area and the underground mining area are synchronously mined, the yield of the open-pit mining area and the underground mining area cannot have large landslides is guaranteed;
and S7, uniformly arranging and summarizing the data, performing whole-process animation simulation by using virtual software, recording preparation work required to be performed in the surface mining area and the underground mining area in each time period, and strictly controlling the working progress and the mining yield of the surface mining area and the underground mining area in the transition period.
Preferably, the measurement data of the surface mining area and the underground mining area in S3 includes the mineral reserve of the surface mining area and the underground mining area, the theoretical residual mining days of the surface mining area, the total mineral reserve of the underground mining area, and the mining boundary of the underground mining area.
Preferably, the equipment required for the underground mining area to achieve the existing production in S5 includes a series of equipment such as mining machinery, drilling machinery, transportation machinery, roadway support equipment and the like.
Preferably, the transition period from the strip mine area to the underground mining area in the S6 is 3-10 months.
(III) advantageous effects
The invention provides a numerical simulation method for converting an open pit to an underground mining of a phosphate pit. The method has the following beneficial effects:
1. according to the numerical simulation method for converting the open pit mining to the underground mining, the problem that the open pit to underground mining technology is often subjected to yield reduction transition is solved through a simple mining data simulation method, the economic benefit of mining is not influenced, and the safe production environment of a mining area is ensured.
2. According to the numerical simulation method for converting the open pit mining to the underground mining of the phosphate pit, by designing a systematic simulation method, the mining yields of the open pit mining area and the underground mining area can be reasonably arranged according to the collected data, and the production cost of the transition period is reduced under the condition of not reducing the yield, so that the overall operation efficiency is greatly improved, and the numerical simulation method is worthy of being widely popularized.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
the embodiment of the invention provides a numerical simulation method for converting a phosphorite pit from open pit to underground mining, which comprises the following specific steps:
s1, increasing comprehensive analysis and overall planning of exploration, design and infrastructure work of an open-pit mining area and an underground mining area, increasing the early-stage development preparation investment of the underground mining area before all the minerals in the open-pit mining area are mined, and quickly making the early-stage development preparation of the underground mining area by increasing the early-stage development preparation investment of the underground mining area, so that good connection is performed before the mining of the open-pit mining area is completed, and the connection of the yields of the open-pit mining area and the underground mining area in a transition period is ensured;
s2, in order to ensure normal mining of the strip mine area, the movement of the slope rock needs to be strictly controlled, so that the condition that the movement of the slope rock is greatly damaged and normal mining of the strip mine area is influenced is prevented, during the period, rock mass displacement and deformation monitoring and forecasting are strictly carried out, on the premise that safe mining is ensured, the investment cost of synchronous mining of the strip mine area and an underground mining area is reduced, through the rock mass displacement and deformation monitoring and forecasting during the transition period, the mining risk during the transition period can be greatly reduced, the safety of the underground mining area in the early stage of mining is ensured, meanwhile, the mining progress of the underground mining area can be ensured, and the underground mining area is ensured;
s3, respectively measuring the residual quantity of the mineral products in the strip mining area and the total mineral yield of the underground mining area, and uniformly collecting, arranging and summarizing measured data;
s4, importing the data collected in the open-pit mining area into special system software, and simulating the residual ore yield of the open-pit mining area and the residual mineable days under the condition of ensuring normal mining amount by using a computer;
s5, simulating and calculating various devices, auxiliary tools, personnel, time and related costs required by the underground mining area to achieve the existing yield by using a computer according to the collected related information of the underground mining area and computer software, selecting different devices, wherein the generated time cost and the generated device cost are different, and a reasonable price interval is calculated according to the computer, so that the best matching scheme is matched, the early-stage investment cost is reduced while the mining progress is ensured, and the maximization of the overall yield is realized under the condition of not reducing the yield;
s6, according to the data obtained in S4 and S5, a computer is used for carrying out detailed calculation and analysis on cost, time and yield, the cost which needs to be shared and invested in the transition period from the open-pit mining area to the underground mining area is specifically planned, meanwhile, according to the data obtained through analysis, manpower and related equipment resources which need to be arranged for mining in the open-pit mining area and the underground mining area in the transition period are specifically arranged, and the condition that when the open-pit mining area and the underground mining area are synchronously mined, the yield of the open-pit mining area and the underground mining area cannot have large landslides is guaranteed;
and S7, uniformly arranging and summarizing the data, performing whole-process animation simulation by using virtual software, recording preparation work required to be performed in the surface mining area and the underground mining area in each time period, and strictly controlling the working progress and the mining yield of the surface mining area and the underground mining area in the transition period.
The measured data of the surface mining area and the underground mining area in the S3 comprises the mineral yield surplus of the surface mining area and the underground mining area, the theoretical residual mining days of the surface mining area, the total mineral yield of the underground mining area and the mining boundary of the underground mining area, and the subsequent data analysis and system simulation can be ensured to be more accurate and the error between the theoretical data and the actual data can be reduced by carrying out detailed measurement on the relevant data of the surface mining area and the underground mining area, the theoretical residual mining days of the surface mining area, the total mineral yield of the underground mining area, the mining boundary of the underground mining area and the like, so that the reasonable arrangement of the mining yields of the surface mining area and the underground mining area can be realized, the production cost of the transition period can be reduced under the condition of not reducing the production, and the overall operation efficiency of the surface mining area and the underground mining area can be improved.
The various devices required by the underground mining area to achieve the existing yield in the S5 comprise a series of devices such as mining machines, drilling machines, transportation machines and roadway support devices, and the time and the cost required by the early-stage mining of the underground mining area can be rapidly calculated by selecting the series of devices such as the mining machines, the drilling machines, the transportation machines and the roadway support devices.
And the transition period from the open-pit mining area to the underground mining area in the S6 is 3-10 months.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A numerical simulation method for converting an open pit to underground mining of a phosphate pit is characterized by comprising the following steps: the method comprises the following specific steps:
s1, increasing comprehensive analysis and overall planning of exploration, design and infrastructure work of an open-pit mining area and an underground mining area, and increasing early-stage development preparation investment of the underground mining area before all the minerals in the open-pit mining area are mined;
s2, in order to ensure normal mining of the strip mining area, the movement of the slope rock needs to be strictly controlled, so that the condition that the movement of the slope rock is greatly damaged and normal mining of the strip mining area is influenced is prevented, during the period, rock mass displacement and deformation monitoring and forecasting are strictly carried out, and the investment cost of synchronous mining of the strip mining area and the underground mining area is reduced on the premise of ensuring safe mining;
s3, respectively measuring the residual quantity of the mineral products in the strip mining area and the total mineral yield of the underground mining area, and uniformly collecting, arranging and summarizing measured data;
s4, importing the data collected in the open-pit mining area into special system software, and simulating the residual ore yield of the open-pit mining area and the residual mineable days under the condition of ensuring normal mining amount by using a computer;
s5, simulating and calculating various devices, auxiliary tools, personnel, time and related costs required by the underground mining area to achieve the existing yield by using computer software according to the collected related information of the underground mining area;
s6, according to the data obtained in S4 and S5, a computer is used for carrying out detailed calculation and analysis on cost, time and yield, the cost which needs to be shared and invested in the transition period from the open-pit mining area to the underground mining area is specifically planned, meanwhile, according to the data obtained through analysis, manpower and related equipment resources which need to be arranged for mining in the open-pit mining area and the underground mining area in the transition period are specifically arranged, and the condition that when the open-pit mining area and the underground mining area are synchronously mined, the yield of the open-pit mining area and the underground mining area cannot have large landslides is guaranteed;
and S7, uniformly arranging and summarizing the data, performing whole-process animation simulation by using virtual software, recording preparation work required to be performed in the surface mining area and the underground mining area in each time period, and strictly controlling the working progress and the mining yield of the surface mining area and the underground mining area in the transition period.
2. The method for simulating the conversion of the surface pit to the underground pit of phosphate rock according to claim 1, wherein the method comprises the following steps: the measurement data of the strip mining area and the underground mining area in the step S3 comprise the mineral product surplus of the strip mining area and the underground mining area, the theoretical residual mining days of the strip mining area, the total mineral product amount of the underground mining area and the mining boundary of the underground mining area.
3. The method for simulating the conversion of the surface pit to the underground pit of phosphate rock according to claim 1, wherein the method comprises the following steps: the various pieces of equipment required by the underground mining area to achieve the existing yield in the S5 comprise a series of equipment such as mining machinery, drilling machinery, transportation machinery, roadway support equipment and the like.
4. The method for simulating the conversion of the surface pit to the underground pit of phosphate rock according to claim 1, wherein the method comprises the following steps: and the transition period from the strip mining area to the underground mining area in the S6 is 3-10 months.
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