WO2014131324A1 - 一种井下煤矸分离输送充填方法及设备 - Google Patents
一种井下煤矸分离输送充填方法及设备 Download PDFInfo
- Publication number
- WO2014131324A1 WO2014131324A1 PCT/CN2014/071055 CN2014071055W WO2014131324A1 WO 2014131324 A1 WO2014131324 A1 WO 2014131324A1 CN 2014071055 W CN2014071055 W CN 2014071055W WO 2014131324 A1 WO2014131324 A1 WO 2014131324A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coal
- crushing
- material injector
- sorting machine
- underground
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- 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
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/005—General arrangement of separating plant, e.g. flow sheets specially adapted for coal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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
- E21F15/08—Filling-up hydraulically or pneumatically
Definitions
- the invention relates to a method and a device for separating and conveying coal seams in underground coal, and is particularly suitable for the separation and transportation of coal and vermiculite in underground mines.
- Hand selection Manually picking the meteorite from the belt conveyor by hand, the working conditions are difficult, the efficiency is low, and the mis-election and the leakage are severe.
- Wind selection Using coal and meteorite density, the coal and vermiculite are separated by the buoyancy of the wind. It is suitable for areas with poor water resources, but the equipment investment is large, the floor space is large, the dust treatment equipment is large, and the treatment effect is not ideal. Suitable for underground use.
- Water selection The difference between the density of coal and vermiculite is used to separate coal and vermiculite by liquid buoyancy.
- Gamma ray sorting gamma ray is used to identify coal and vermiculite. Different gamma rays are used to generate different electrical signals according to the attenuation of coal and vermiculite. The feedback mechanism of the electric signal controls the actuator to change the trajectory of the meteorite.
- the coal hydrazine separation is realized, but the system is complicated, the sorting ability is small, and the radiation source of the radiation source is hidden.
- the raw coal on the site often contains water or slime, so that the surface of the coal gangue is covered by the slime, which makes the identification difficult.
- the object of the present invention is to overcome the deficiencies in the prior art and to provide a method and apparatus for separating and transporting coal mines.
- the method for separating and conveying the underground coal gangue of the present invention is:
- the mined coal and vermiculite are subjected to preliminary crushing and sorting under the well by a roller crushing and sorting machine;
- the coal block with a particle size of less than 50 mm sorted by the roller crushing and sorting machine is sent to the pneumatic conveying system, and the coal block and the vermiculite with a particle size of 50 mm or more are subjected to secondary crushing and sorting by a hammer crushing and sorting machine;
- the coal block with a particle size of less than 50 mm sorted by the hammer crushing sorting machine is sent to the pneumatic conveying system, and is transported to the underground coal bunker together with the coal piece with a particle size of less than 50 mm sorted by the roll crushing and sorting machine.
- the vermiculite having a particle size of 50 mm or more is broken into a piece of vermiculite having a particle size of 30 mm or less by a roll crusher;
- meteorite fragments with a particle size of 30 mm or less are transported to the underground goaf through the pneumatic conveying system, and then the ore is mined. Pneumatic filling with a wet spray machine.
- the underground coal slag separation conveying and filling equipment of the invention comprises a pneumatic conveying system, a pair of roller crushing sorting machine, a hammer crushing sorting machine, a pair of roller crusher and a mining wet spray machine, wherein the pneumatic conveying filling system comprises a fan and a minute a wind eliminator 1, a material ejector 1, a distributor 2, a material ejector 2, a material ejector 3, the material ejector 1 and the material ejector 3 respectively comprise an air inlet, a feed inlet and a mixture outlet
- the material injector 2 includes an air inlet, two inlets and a mixture outlet, and the air distributor 1 and the air distributor 2 respectively have an air inlet and two air outlets;
- the fine raw material outlet of the pair of roll crushing and sorting machine is connected to the feed port of the material injector 1 , and the raw material outlet of the roll crushing and sorting machine is connected to the inlet of the hammer crushing and sorting machine, and the hammer crushing and sorting machine
- the raw material outlet is connected to one feed port of the material injector 2
- the crude material outlet of the hammer crusher is connected to the feed port of the roll crusher
- the discharge port of the roll crusher is connected with the material injector 3 Feed opening
- the fan is connected to the air inlet of the air distributor, and the two air outlets of the air distributor one are respectively connected to the air inlet of the material injector 1 and the air inlet of the air distributor 2, and the mixture material outlet of the material injector 1 is connected to the material injection.
- Another feed port of the second device, the mixture outlet of the material injector 2 is connected to the underground coal bunker, and the two air outlets of the splitter 2 are respectively the air inlet of the material injector 2 and the material injector 3, and the material injector 3
- the mixture feed outlet is connected to a mining wet spray machine.
- the method and equipment for separating and transporting underground coal gangue according to the present invention according to the actual working conditions of the underground, the coal slag sorting system and the pneumatic conveying filling system are organically combined, and the coal and vermiculite are removed by the coal gang crushing and sorting system.
- the crushing and sorting is carried out directly under the well, and the selected coal pieces are directly sent to the underground coal bunker by the pneumatic conveying and filling system, and the crushed vermiculite is sent to the goaf for filling operation.
- Figure 1 is a view showing the overall structure of the present invention
- Figure 2 is a structural view of the pneumatic conveying system of the present invention.
- the method for separating and conveying the underground coal gangue of the present invention comprises the following steps:
- the coal block with a particle size of less than 50 mm selected by the hammer crushing and sorting machine 4 in step b is sent to the pneumatic conveying system 1, and the particle size selected by the roller crushing and sorting machine 2 in step a is less than 50 mm.
- the coal block is transported together to the underground coal bunker, and the vermiculite having a particle size of 50 mm or more is broken into the vermiculite pieces having a particle size of 30 mm or less by the roll crusher 6;
- the vermiculite fragments having a particle size of 30 mm or less which are crushed into the roller crusher 6 in the step c are transported to the underground gob through the pneumatic conveying system 1, and then pneumatically filled by the mining wet spray machine 7.
- the downhole coal slag separation conveying and filling equipment of the present invention comprises a pneumatic conveying system 1, a roll crushing and sorting machine 2, a hammer crushing and sorting machine 4, a roll crusher and a mine wet spray machine.
- the pneumatic conveying and filling system 1 includes a fan 11, a distributor 12, a material injector 13, a distributor 2, a material injector 2, and a material injector 3.
- the material ejector unit 13 and the material ejector unit 17 17 respectively include an air inlet, a feed port and a mixture material outlet; the material ejector unit 16 includes an air inlet, two inlet ports and a mixture material outlet.
- the splitter 12 and the splitter 2 15 respectively have an air inlet and two air outlets.
- the fine material outlet of the roll crushing and sorting machine 2 is connected to the feed port of the material injector 13 , and the raw material outlet of the roll crushing and sorting machine 2 is connected to the feed port of the hammer crushing and sorting machine 4 through the belt conveyor 3 .
- the fine material outlet of the hammer crusher 4 is connected to a feed port of the material injector 2, and the raw material outlet of the hammer crusher 4 is connected to the feed port of the roll crusher 6 through the guide tank 5.
- the feed port of the material injector 3 17 is connected to the discharge port of the roller crusher 6.
- the fan 11 is connected to the air inlet of the air separator 12, and the two air outlets of the air distributor 12 are respectively connected to the air inlet of the material injector 13 and the air inlet of the air separator 2, and the mixture of the material injectors 13
- the outlet is connected to another feed port of the material injector 2 through the pneumatic conveying pipe 14
- the mixture outlet of the material injector 2 16 is connected to the underground coal bunker
- the two air outlets of the splitter 2 15 are respectively material injectors 16
- the air inlet of the material injector three 17, the mixture material outlet of the material injector three 17 is connected to the mine wet spray machine 7 through the pneumatic conveying pipe two 18.
- the overall height of the underground coal shovel separation and conveying equipment does not exceed 3 meters, wherein: the maximum feed size of the roll crushing and sorting machine 2 is 300 mm, the discharge granularity is 50 to 100 mm, and the sieve box has a granularity. It is 50 mm and has a processing capacity of 250 to 500 tons per hour.
- the hammer crusher 4 has a maximum feed size of 150 mm, a discharge size of 0 to 100 mm, a screen size of 50 mm, and a processing capacity of 200 to 400 tons per hour.
- the maximum feed size of the roll crusher 6 is 150 mm, the discharge size is 0 to 30 mm, and the processing capacity is 150 to 350 tons per hour.
- the conveying capacity of the belt conveyor 3 is 260 tons per hour, the conveying granularity is 0 to 100 mm, the horizontal length of the inclined section is 7.7 m, the overall height of the conveyor is 2. 7 m, and the belt is made of flame retardant tape. 5 MPa,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
- the pipe diameter is 150 mm
- the conveying capacity is 70 to 80 cubic meters per hour, and the maximum conveying distance is 300 meters
- the wind pressure of the pneumatic conveying pipe 2 18 is 0.4 MPa
- the pipe diameter is 100 mm
- the conveying amount is 30 ⁇ 35 cubic meters per hour
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112014000131.7T DE112014000131T5 (de) | 2013-02-28 | 2014-01-22 | Verfahren und Vorrichtung für Untertage-Trennung, -Förderung und -Auffüllen von Kohle und Kohle-Gangarten |
AU2014223133A AU2014223133B2 (en) | 2013-02-28 | 2014-01-22 | Method and apparatus for underground separation, conveyance and fill-up of coal and coal gangues |
ZA2014/09236A ZA201409236B (en) | 2013-02-28 | 2014-12-15 | Method and apparatus for underground separation, conveyance and fill-up of coal and coal gangues |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310064694.0 | 2013-02-28 | ||
CN201310064694.0A CN103133031B (zh) | 2013-02-28 | 2013-02-28 | 一种井下煤矸分离输送充填方法及设备 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014131324A1 true WO2014131324A1 (zh) | 2014-09-04 |
Family
ID=48493410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2014/071055 WO2014131324A1 (zh) | 2013-02-28 | 2014-01-22 | 一种井下煤矸分离输送充填方法及设备 |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN103133031B (zh) |
AU (1) | AU2014223133B2 (zh) |
DE (1) | DE112014000131T5 (zh) |
WO (1) | WO2014131324A1 (zh) |
ZA (1) | ZA201409236B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113006862A (zh) * | 2021-03-29 | 2021-06-22 | 张连杰 | 一种从地面钻孔回填治理采煤沉陷区新技术 |
CN113509995A (zh) * | 2021-07-28 | 2021-10-19 | 烟台杰瑞石油装备技术有限公司 | 采空区充填设备以及充填方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103133031B (zh) * | 2013-02-28 | 2015-05-20 | 中国矿业大学 | 一种井下煤矸分离输送充填方法及设备 |
CN104033153A (zh) * | 2014-06-25 | 2014-09-10 | 中国矿业大学 | 一种煤矿井下采选充一体化方法 |
CN104632276B (zh) * | 2014-12-05 | 2016-06-15 | 新汶矿业集团有限责任公司 | 连续型气力矸石充填采煤系统 |
CN106401586B (zh) * | 2016-06-24 | 2019-02-22 | 中国矿业大学 | 一种煤岩同采工作面的煤岩分选与利用方法 |
CN106089208B (zh) * | 2016-07-25 | 2018-04-24 | 四川大学 | 基于tbm的煤矿资源流相开发装备及开发方法 |
CN109403974A (zh) * | 2018-09-30 | 2019-03-01 | 中国矿业大学 | 一种矿山采选卸抽充绿色开采设计方法 |
CN109736809B (zh) * | 2019-01-18 | 2020-07-31 | 中国矿业大学 | 一种露天边帮煤采空区气力充填系统及工艺 |
CN110374672A (zh) * | 2019-06-05 | 2019-10-25 | 中国矿业大学 | 一种采空区气力充填系统及方法 |
CN110359953B (zh) * | 2019-07-05 | 2021-01-26 | 太原理工大学 | 一种煤矿井下空巷充填系统装置 |
CN114101280B (zh) * | 2021-10-12 | 2023-09-12 | 航天凯天环保科技股份有限公司 | 一种煤矸石梯级利用系统及方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201036759Y (zh) * | 2007-05-18 | 2008-03-19 | 中国矿业大学 | 矿井煤矸分离设备 |
CN201606111U (zh) * | 2009-12-28 | 2010-10-13 | 三一重型装备有限公司 | 一种矸石井下破碎泵送充填系统 |
CN101967993A (zh) * | 2010-09-30 | 2011-02-09 | 江苏中机矿山设备有限公司 | 一种井下矸石分选充填系统及方法 |
JP4731635B1 (ja) * | 2010-10-13 | 2011-07-27 | 株式会社近藤商会 | 書類廃棄リサイクル処理システム |
CN102773142A (zh) * | 2012-05-31 | 2012-11-14 | 安徽大昌矿业集团有限公司 | 一种鞍山式贫磁铁矿井下选矿及充填方法 |
CN103133031A (zh) * | 2013-02-28 | 2013-06-05 | 中国矿业大学 | 一种井下煤矸分离输送充填方法及设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HUT53560A (en) * | 1987-10-06 | 1990-11-28 | Haldex Vallalat | Method for separating the granules of coal and dead from aqueous suspension in two-stage hydrocyclone system |
CN100460078C (zh) * | 2007-05-18 | 2009-02-11 | 中国矿业大学 | 矿井煤矸分离方法及设备 |
CA2697521C (en) * | 2007-09-26 | 2015-07-07 | Gekko Systems Pty Ltd | Modular ore processor |
CN102128051A (zh) * | 2011-03-11 | 2011-07-20 | 中国矿业大学 | 一种煤矿井下矸石充填采空区的方法 |
CN102923485A (zh) * | 2012-11-27 | 2013-02-13 | 西安热工研究院有限公司 | 高效石子煤正压气力输送系统 |
-
2013
- 2013-02-28 CN CN201310064694.0A patent/CN103133031B/zh not_active Expired - Fee Related
-
2014
- 2014-01-22 DE DE112014000131.7T patent/DE112014000131T5/de not_active Ceased
- 2014-01-22 WO PCT/CN2014/071055 patent/WO2014131324A1/zh active Application Filing
- 2014-01-22 AU AU2014223133A patent/AU2014223133B2/en not_active Ceased
- 2014-12-15 ZA ZA2014/09236A patent/ZA201409236B/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201036759Y (zh) * | 2007-05-18 | 2008-03-19 | 中国矿业大学 | 矿井煤矸分离设备 |
CN201606111U (zh) * | 2009-12-28 | 2010-10-13 | 三一重型装备有限公司 | 一种矸石井下破碎泵送充填系统 |
CN101967993A (zh) * | 2010-09-30 | 2011-02-09 | 江苏中机矿山设备有限公司 | 一种井下矸石分选充填系统及方法 |
JP4731635B1 (ja) * | 2010-10-13 | 2011-07-27 | 株式会社近藤商会 | 書類廃棄リサイクル処理システム |
CN102773142A (zh) * | 2012-05-31 | 2012-11-14 | 安徽大昌矿业集团有限公司 | 一种鞍山式贫磁铁矿井下选矿及充填方法 |
CN103133031A (zh) * | 2013-02-28 | 2013-06-05 | 中国矿业大学 | 一种井下煤矸分离输送充填方法及设备 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113006862A (zh) * | 2021-03-29 | 2021-06-22 | 张连杰 | 一种从地面钻孔回填治理采煤沉陷区新技术 |
CN113509995A (zh) * | 2021-07-28 | 2021-10-19 | 烟台杰瑞石油装备技术有限公司 | 采空区充填设备以及充填方法 |
CN113509995B (zh) * | 2021-07-28 | 2023-11-17 | 烟台杰瑞石油装备技术有限公司 | 采空区充填设备以及充填方法 |
Also Published As
Publication number | Publication date |
---|---|
ZA201409236B (en) | 2016-07-27 |
CN103133031B (zh) | 2015-05-20 |
DE112014000131T5 (de) | 2015-05-07 |
CN103133031A (zh) | 2013-06-05 |
AU2014223133A1 (en) | 2015-01-22 |
AU2014223133B2 (en) | 2016-02-04 |
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