CN114100831B - Underground mining, selecting and filling integrated production method for three-stage separation coal mine - Google Patents
Underground mining, selecting and filling integrated production method for three-stage separation coal mine Download PDFInfo
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- CN114100831B CN114100831B CN202111386140.3A CN202111386140A CN114100831B CN 114100831 B CN114100831 B CN 114100831B CN 202111386140 A CN202111386140 A CN 202111386140A CN 114100831 B CN114100831 B CN 114100831B
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- 239000003245 coal Substances 0.000 title claims abstract description 88
- 238000000926 separation method Methods 0.000 title claims abstract description 71
- 238000005065 mining Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000011435 rock Substances 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000002910 solid waste Substances 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 241001584775 Tunga penetrans Species 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 7
- 230000005641 tunneling Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/002—Crushing devices specifically for conveying in mines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/06—Filling-up mechanically
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a three-level separation coal mine underground mining, selecting and filling integrated production method. The process design of three-stage coal gangue separation is respectively carried out aiming at the coal gangue discharging of the driving face pure rock roadway, the half coal rock roadway, the filling face and the non-filling face. Primary sorting of gangue with the particle size of 100-350mm is finished by using a primary sorting system, secondary sorting of gangue with the particle size of 25-350mm is finished by using a secondary sorting system, and final separation of gangue is finished by using a tertiary sorting system. The method can meet the requirement of coordination of underground operation space limitation, mining (digging) selection and filling, reduces the selection pressure of each step by a washing and grading mode, improves the selection efficiency, simultaneously conveys the solid waste sorted on the well to the underground through a gangue conveying system, meets the requirement of filling a large amount of materials, and solves the problems of occupation of land and environmental pollution; can realize safe, efficient and green exploitation of underground deep resources and prevention and control of surface subsidence.
Description
Technical Field
The invention relates to a three-level separation coal mine underground mining, selecting and filling integrated production method, and belongs to the field of mine green safe and efficient mining.
Background
At present, the ecological civilization construction of China is still in the key period of pressure superposition and load forward, long-term contradiction and short-term problem interweaving of protection and development are avoided, and the structural, radical and trend pressure of ecological environment protection is not completely relieved. Aiming at the trend of green, safe and efficient mining in the coal industry, the underground gangue sorting and in-situ filling are necessary routes for realizing energy conservation, emission reduction, cost reduction and synergy.
There are problems: in traditional underground coal exploitation, solid wastes are accumulated to form gangue hill after washing on a raw coal well, which causes great pollution to the surface environment and seriously damages the ecological environment; meanwhile, large-area subsidence of the ground surface is caused in a coal mining mode of treating a goaf by a caving method; aiming at the condition that most coal mines have 'three-lower' coal pressing, filling mining is the best mode for considering environment and earth surface protection in the current resource recovery process.
Disclosure of Invention
Aiming at the problems of gangue mountain pollution environment, limited underground operation space, difficult maintenance of large chamber groups and difficult well descending of large equipment caused by traditional caving exploitation, the invention aims to provide a three-stage separation coal mine underground mining (digging) and filling integrated production method for separating and filling gangue in situ, which can replace three-lower pressed coal while reducing environmental pollution and ground subsidence and improve economic benefit.
The invention is especially suitable for the conditions of large gangue output of the tunneling working face and higher gangue content of the coal face in underground coal exploitation and filling of the underground goaf.
The invention provides a three-stage separation coal mine underground mining, selecting and charging integrated production system which comprises a first-stage separation system based on mechanical arm selection, a raw coal and gangue transportation system and a second-stage separation system based on jigger. The process design of three-stage coal gangue separation is respectively carried out aiming at the coal gangue discharging of the driving face pure rock roadway, the half coal rock roadway, the filling face and the non-filling face. Wherein the raw coal and gangue transport system comprises a crusher and a belt conveyor; the first-stage separation system comprises a mechanical arm and a gangue transfer device, wherein the gangue transfer device refers to a belt conveyor; the secondary separation system comprises a jigger, a belt conveyor and a slime water treatment system; the three-stage separation system is a coal washery and various facilities.
The secondary sorting system is arranged in a chamber near a shaft bottom car yard, coal and gangue to be sorted are transported to the jigger through the belt conveyor to be sorted, produced slime water is discharged into a shaft bottom water bin after being treated through the slime water treatment system, the sorted gangue is transported to the gangue bin through the belt conveyor, and other products (including coal) are transported to the three-level sorting system on the shaft through the transportation system to be sorted.
The invention provides a three-stage separation coal mine underground mining, selecting and filling integrated production method, which comprises the following steps of:
firstly, after crushing treatment, directly conveying gangue produced in a pure rock roadway to a filling surface for filling, and finishing the separation of gangue with the particle size of 100-350mm by a semi-coal rock roadway and coal gangue flow of a coal mining working surface at a primary separation system, wherein the gangue is directly conveyed to the filling surface for filling;
secondly, the gangue flow enters a secondary separation system to finish the separation of the gangue with the particle size of 25-350mm (the jigger can finish the screening), and the gangue is stored in a gangue bin;
and thirdly, enabling the gangue flow to enter a three-stage separation system, thoroughly completing gangue separation, conveying the gangue and solid waste generated on the well to a gangue bin through a gangue well by a belt conveyor, and conveying the gangue in the gangue bin to a filling surface for filling by a gangue conveying system.
Aiming at a filling working face, the extracted raw coal is crushed, transported to a first-stage sorting system in a crossheading by a belt conveyor, and subjected to first-stage sorting on the conveyor by a mechanical arm to sort out gangue with the grain diameter of 100-350 mm. The selected gangue is directly transferred to the lower part of the belt conveyor and returned to the filling working surface for filling by a gangue thrower, the gangue with the particle size smaller than 100mm is transported to a sorting chamber at a shaft bottom car yard by a large lane belt conveyor, and the second-stage sorting is carried out on a second-stage sorting system by a jigger, so that the gangue with the particle size of 25-350mm is mainly sorted. The selected gangue is transported to a gangue warehouse at the bottom of the well through a belt conveyor, and the coal and the small-grain gangue are transported to a third-stage sorting system through an inclined shaft belt conveyor to be subjected to third-stage washing in a coal preparation plant. And after washing, conveying the gangue and solid waste generated on the well from a gangue well to an underground gangue warehouse through a belt conveyor for storage, and conveying the gangue in the gangue warehouse to a filling working surface through the gangue belt conveyor for filling.
Aiming at a non-filling working face (gangue on the non-filling working face needs to be transported to the filling working face for filling), the extracted raw coal is crushed by a crusher, and is transported to a first-stage sorting system in a crossheading by a crossheading belt conveyor, and the first-stage sorting is carried out on the conveyor by a mechanical arm, so that the gangue with the grain size of 100-350mm is basically sorted. The selected gangue is transported to a filling working surface through a gangue belt conveyor to be filled by a gangue thrower, the gangue with the particle size smaller than 100mm is transported to a sorting chamber at a shaft bottom car park through a large lane belt conveyor, and the second-stage sorting is carried out on the second-stage sorting system by a jigger, so that the gangue with the particle size of 25-350mm is mainly sorted. The selected gangue is transported to a gangue bin at the bottom of the well through a belt conveyor, and the separated gangue flow is transported to a three-stage separation system through an inclined shaft belt conveyor to be subjected to third-stage washing separation in a coal preparation plant. And after washing, conveying the gangue and solid waste generated on the well from a gangue well to an underground gangue warehouse through a belt conveyor for storage, and conveying the gangue in the gangue warehouse to a filling working surface through the gangue belt conveyor for filling.
Aiming at a half-coal rock roadway, crushing raw coal excavated by a tunneling surface by a crusher, conveying the raw coal to a first-stage sorting system in a crossheading by using a crossheading belt conveyor, and carrying out first-stage sorting on the conveyor by using a mechanical arm to basically sort out gangue with the grain size of 100-350 mm. The selected gangue is transported to a filling working surface through a gangue belt conveyor to be filled by a gangue thrower, the gangue with the particle size smaller than 100mm is transported to a sorting chamber at a shaft bottom car park through a large lane belt conveyor, and the second-stage sorting is carried out on the second-stage sorting system by a jigger, so that the gangue with the particle size of 25-350mm is mainly sorted. The selected gangue is transported to a gangue warehouse at the bottom of the well through a belt conveyor, and the coal and the small-grain gangue are transported to a third-stage sorting system through an inclined shaft belt conveyor to be subjected to third-stage washing in a coal preparation plant. And after washing, conveying the gangue and solid waste generated on the well from a gangue well to an underground gangue warehouse through a belt conveyor for storage, and conveying the gangue in the gangue warehouse to a filling working surface through the gangue belt conveyor for filling.
Aiming at a pure rock roadway, the excavated gangue is crushed by a crusher and then is directly transported to a filling working surface for filling by a gangue belt conveyor.
The invention has the beneficial effects that:
the invention can effectively finish the underground separation of the large gangue in the raw coal; the underground space can be reasonably arranged by grading and regional sorting, high-efficiency sorting can be realized without a large chamber, and meanwhile, the maintenance cost of the chamber and the transportation cost of the large gangue are reduced; and the ground solid waste is treated, so that the ground waste is prevented from accumulating to pollute the environment, the goaf is filled in time, and the ground settlement is reduced.
Drawings
FIG. 1 is a schematic diagram of a filling face mining and selecting integrated system of the present invention;
FIG. 2 is a schematic diagram of a non-filling face mining and filling integrated system;
FIG. 3 is a schematic diagram of a semi-coal roadway mining and filling integrated system;
FIG. 4 is a schematic diagram of gangue handling in pure rock roadway entry driving;
FIG. 5 is a schematic diagram of a process of combining a primary sorting system and a secondary sorting system;
FIG. 6 is a process flow diagram of a two-stage classification system;
fig. 7 is a flow chart of gangue treatment in pure rock roadway gate driving.
In the figure: the system comprises a 1-belt conveyor, a 2-crusher, a 3-primary sorting system, a 4-secondary sorting system, a 5-tertiary sorting system, a 6-gangue warehouse, a 7-filling working face, an 8-jigger and a 9-slime water treatment system.
Detailed Description
The present invention is further illustrated by, but not limited to, the following examples.
5-7, the invention provides a three-stage separation coal mine underground mining, selecting and filling integrated production system, which comprises a first-stage separation system based on mechanical arm sorting, a raw coal and gangue transportation system and a second-stage separation system based on jigger. The process design of three-stage coal gangue separation is respectively carried out aiming at the coal gangue discharging of the driving face pure rock roadway, the half coal rock roadway, the filling face and the non-filling face. Wherein the raw coal and gangue transport system comprises a crusher 2 and a belt conveyor 1; the primary sorting system 3 comprises a mechanical arm and a gangue transferring device (namely a belt conveyor 1); the secondary separation system comprises a jigger 8, a belt conveyor 1 and a slime water treatment system 9; the three-stage separation system 5 is a coal washery and various facilities (facilities of the existing coal washery, and specific equipment is not shown in the drawings of the present invention).
Fig. 1 is a working schematic diagram of a first-stage separation system in a gate of a filling working surface, coal and gangue generated on the working surface are crushed by a crusher 2 and then transported to a first-stage separation system 3 at the tail end of the gate by a belt conveyor 1 for separation, the separated gangue with the diameter of 100-350mm is transported back to the filling working surface 7 for filling by the bottom of the belt conveyor, and the separated coal gangue flow is transported to a second-stage separation system for separation by the belt conveyor 1. As shown in fig. 1, for a filling working surface, the extracted raw coal is transported to a crusher 2 by a belt conveyor 1, crushed and transported to a first-stage sorting system 3 in a gate by the belt conveyor 1, and first-stage sorting is performed on the conveyor by a mechanical arm carried by the first-stage sorting system to sort out gangue with a particle size of about 100-350 mm. The selected gangue with the diameter of 100-350mm is directly transported by the belt conveyor 1 to return to the filling working surface 7 to be filled by a gangue throwing machine, the gangue with the particle diameter of less than 100mm is transported to a sorting chamber at a shaft bottom car yard by the belt conveyor 1, and secondary sorting is carried out on a secondary sorting system 4 by a jigger 8, so that the gangue with the particle diameter of 25-350mm is mainly sorted. The gangue with the grain diameter of more than 25mm is transported to a bottom gangue warehouse through a belt conveyor for storage, and coal and gangue with the grain diameter of less than 25mm are transported to a three-stage separation system where a coal preparation plant is located through a belt conveyor 1 for washing and selecting. The washed gangue and solid waste generated on the well are transported from the gangue well to an underground gangue storage through a belt conveyor 1, and the gangue in the gangue storage is transported to a filling working face 7 through the belt conveyor 1 for filling.
Fig. 2 is a working schematic diagram of a first-stage separation system in a non-filling working face gateway, coal and gangue generated on the working face are crushed by a crusher 2 and then transported to a first-stage separation system 3 at the tail end of the gateway by a belt conveyor 1 for separation, the separated gangue with the diameter of 100-350mm is transported to a filling working face by the belt conveyor for filling, and the separated coal gangue flow is transported to a second-stage separation system by the belt conveyor 1 for separation. For gangue on a non-filling working face, the gangue needs to be transported to the filling working face for filling, and the rest processes are the same as the sorting processes of the filling working face.
Fig. 3 is a working schematic diagram of a primary sorting system in half coal rock roadway gate driving, coal and gangue generated on a working surface are crushed by a crusher 2 and then transported to a primary sorting system 3 at the tail end of the gate by a belt conveyor 1 for sorting, the sorted gangue with the diameter of 100-350mm is transported to a filling working surface by the belt conveyor for filling, and other products are transported to a secondary sorting system by the belt conveyor 1 for sorting. For the semi-coal rock roadway, the rest processes are the same as the filling working face sorting processes.
Fig. 4 is a schematic diagram of gangue treatment in pure rock roadway gate way tunneling, as shown in fig. 4 and 7, for pure rock roadway, tunneling gangue is transported to a crusher 2 by a belt conveyor 1, and after crushing, the gangue is directly transported to a filling working surface 7 by the belt conveyor 1 for filling.
The invention provides a three-stage separation coal mine underground mining, selecting and filling integrated production method, which specifically comprises the following steps:
firstly, after crushing treatment, directly conveying gangue produced by a pure rock roadway to a filling surface for filling, and finishing the separation of the gangue with the particle size of 100-350mm by a coal gangue flow at a first-stage separation system 3, wherein the gangue is directly conveyed to a filling working surface 7 for filling; (corresponding to the process of 1-2-1-3-1-7, the belt conveyor has two layers, the upper layer goes out and the lower layer goes in, and a mechanical arm is needed to put the gangue on the upper layer to the lower layer.)
Secondly, the coal gangue flow enters a secondary separation system 4 to finish separation of gangue with the particle size of 25-350mm, and the gangue is stored in a gangue warehouse 6; (corresponding to the procedure 3-1-4-1-6)
And thirdly, enabling the coal gangue flow to enter a three-stage separation system 5, thoroughly completing coal gangue separation, conveying the gangue and solid waste generated on the well to a gangue bin through a gangue well by a belt conveyor, and conveying the gangue in the gangue bin to a filling working face 7 for filling by a gangue conveying system. (corresponding to the procedure of 4-1-5)
As shown in fig. 6, the secondary separation system 4 is arranged in a chamber near a shaft bottom car yard, coal and gangue to be separated are transported to the jigger 8 through the belt conveyor 1 for separation, the generated slime water is discharged into a shaft bottom water bin after being treated by the slime water treatment system 9, the separated gangue is transported to the gangue bin 6 through the belt conveyor 1, and other products (including coal) are transported to the three-stage separation system on the shaft for separation through the transportation system.
The invention improves the original conveying system, increases the gangue conveying system, and ensures that the gangue selected by each grade can be conveyed to the filling working surface to finish the operation. The system can meet the requirement that underground operation space is limited, mining (digging) selection and filling are coordinated, the separation pressure of each step is reduced in a washing and grading mode, the separation efficiency is improved, meanwhile, solid wastes sorted out on the well are transported to the underground through a gangue transport system, the requirement that a large amount of materials are required to be filled is met, and the problems of occupation of land and environmental pollution are solved. The system can realize safe, efficient and green exploitation of underground deep resources and prevent and treat surface subsidence.
Claims (4)
1. The underground mining, selecting and filling integrated production method for the three-stage separation coal mine is characterized by comprising the following steps of:
firstly, after crushing treatment, directly conveying gangue produced in a pure rock roadway to a filling surface for filling, and finishing the separation of gangue with the particle size of 100-350mm by a semi-coal rock roadway and coal gangue flow of a coal mining working surface at a primary separation system, wherein the gangue is directly conveyed to the filling surface for filling;
secondly, the coal gangue flow enters a secondary separation system to finish separation of gangue with the particle size of 25-350mm, and the gangue is stored in a gangue warehouse;
thirdly, the coal gangue flow enters a three-stage separation system, coal gangue separation is thoroughly completed, the gangue and solid waste generated on the well are transported to a gangue bin through a gangue well by a belt conveyor, and the gangue in the gangue bin is transported to a filling surface for filling by a gangue transport system;
the method is suitable for filling working surfaces, non-filling working surfaces, semi-coal rock roadways or pure rock roadways;
gangue on a non-filling working surface needs to be transported to a filling working surface for filling;
in the pure rock roadway, tunneling and gangue discharging are crushed by a crusher and then are directly transported to a filling working surface for filling by a gangue belt conveyor;
crushing the extracted raw coal aiming at a filling working face, conveying the crushed raw coal to a first-stage sorting system in a cis-trough by a belt conveyor, and carrying out first-stage sorting on the conveyor by using a mechanical arm to sort out gangue with the grain diameter of 100-350 mm; the selected gangue is directly transferred to the lower part of the belt conveyor and returned to a filling working surface for filling by a gangue throwing machine, the gangue with the particle size less than 100mm and coal are transported to a sorting chamber at a shaft bottom car park by a main lane belt conveyor, and secondary sorting is carried out on the gangue by a jigger on a secondary sorting system, so that the gangue with the particle size of 25-350mm is mainly sorted; the separated gangue is transported to a gangue bin at the bottom of a well through a belt conveyor, and the separated gangue flow is transported to a three-stage separation system through an inclined shaft belt conveyor to carry out third-stage washing separation in a coal separation plant; and after washing, conveying the gangue and solid waste generated on the well from a gangue well to an underground gangue warehouse through a belt conveyor for storage, and conveying the gangue in the gangue warehouse to a filling working surface through the gangue belt conveyor for filling.
2. The three-stage separation coal mine underground mining and filling integrated production method is characterized by comprising the following steps of: the method comprises a first-stage sorting system for sorting by using a mechanical arm, a coal gangue conveying system for conveying by using a belt conveyor, a second-stage sorting system for sorting by using a jigger, and a third-stage sorting system for sorting by using a ground coal washery; the coal gangue transport system comprises a crusher and a belt conveyor; the first-stage separation system comprises a mechanical arm and a gangue transfer device, and the second-stage separation system comprises a jigger, a belt conveyor and a slime water treatment system; the three-stage separation system is a coal washery and various facilities.
3. The three-stage separation coal mine underground mining and filling integrated production method is characterized by comprising the following steps of: the secondary sorting system is arranged in a chamber near a shaft bottom car yard, coal and gangue to be sorted are transported to the jigger through the belt conveyor to be sorted, produced slime water is discharged into a shaft bottom water bin after being treated through the slime water treatment system, the sorted gangue is transported to the gangue bin through the belt conveyor, and other products are transported to the three-level sorting system on the shaft through the transportation system to be sorted.
4. The three-stage separation coal mine underground mining and filling integrated production method is characterized by comprising the following steps of: sorting of the large gangue, namely, the gangue with the particle size of 100-350mm, is finished through a primary sorting system, sorting of the gangue with the particle size of 25-350mm is finished through a secondary sorting system, and thorough separation of coal gangue is finished through a tertiary sorting system.
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| CN202111386140.3A CN114100831B (en) | 2021-11-22 | 2021-11-22 | Underground mining, selecting and filling integrated production method for three-stage separation coal mine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967993A (en) * | 2010-09-30 | 2011-02-09 | 江苏中机矿山设备有限公司 | Underground gangue sorting and filling system and method |
| CN107246279A (en) * | 2017-07-11 | 2017-10-13 | 太原理工大学 | Underground selecting and purchasing sieve, which is mixed, fills the cementing construction filling system of integrated spoil and method |
| CN107983662A (en) * | 2017-12-15 | 2018-05-04 | 杨宝祥 | A kind of mineral aggregate dry separation system and method |
| WO2021038449A2 (en) * | 2019-08-26 | 2021-03-04 | Anglo American Technical & Sustainability Services Ltd | Sulphide concentrator plant |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201857994U (en) * | 2010-09-30 | 2011-06-08 | 江苏中机矿山设备有限公司 | Downhole gangue sorting and filling system |
| CN104033153A (en) * | 2014-06-25 | 2014-09-10 | 中国矿业大学 | Coal mine underground mining, dress and filling integral method |
| CN106694398A (en) * | 2016-12-09 | 2017-05-24 | 北京默德科技有限公司 | Gangue sorting system and method |
| CN110961373A (en) * | 2019-12-17 | 2020-04-07 | 平顶山天安煤业股份有限公司 | Gangue sorting device |
| CN111495790A (en) * | 2020-04-28 | 2020-08-07 | 安徽理工大学 | Underground arrangement process based on photoelectric separation of coal and gangue |
| CN111894666A (en) * | 2020-07-06 | 2020-11-06 | 中煤能源研究院有限责任公司 | Coal mine underground selective grinding pump-charging integrated gangue slurry filling system and method |
| CN111878163A (en) * | 2020-08-11 | 2020-11-03 | 山西文龙中美环能科技股份有限公司 | Mining, selecting and charging integrated waste rock filling system based on underground wind power waste rock selection |
-
2021
- 2021-11-22 CN CN202111386140.3A patent/CN114100831B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967993A (en) * | 2010-09-30 | 2011-02-09 | 江苏中机矿山设备有限公司 | Underground gangue sorting and filling system and method |
| CN107246279A (en) * | 2017-07-11 | 2017-10-13 | 太原理工大学 | Underground selecting and purchasing sieve, which is mixed, fills the cementing construction filling system of integrated spoil and method |
| CN107983662A (en) * | 2017-12-15 | 2018-05-04 | 杨宝祥 | A kind of mineral aggregate dry separation system and method |
| WO2021038449A2 (en) * | 2019-08-26 | 2021-03-04 | Anglo American Technical & Sustainability Services Ltd | Sulphide concentrator plant |
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| CN114100831A (en) | 2022-03-01 |
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