CN103056021B - Jigging and refuse discharging process for variable air chamber in coal mine - Google Patents
Jigging and refuse discharging process for variable air chamber in coal mine Download PDFInfo
- Publication number
- CN103056021B CN103056021B CN201310028692.6A CN201310028692A CN103056021B CN 103056021 B CN103056021 B CN 103056021B CN 201310028692 A CN201310028692 A CN 201310028692A CN 103056021 B CN103056021 B CN 103056021B
- Authority
- CN
- China
- Prior art keywords
- jigging
- coal
- air chamber
- mine
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000007599 discharging Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000047 product Substances 0.000 claims description 18
- 230000018044 dehydration Effects 0.000 claims description 17
- 238000006297 dehydration reaction Methods 0.000 claims description 17
- 238000012216 screening Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 230000015556 catabolic process Effects 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 6
- 238000010334 sieve classification Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 239000012065 filter cake Substances 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims description 2
- 238000013467 fragmentation Methods 0.000 claims description 2
- 238000006062 fragmentation reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005065 mining Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000010866 blackwater Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a Jigging and refuse discharging process for variable air chamber in coal mine. The jigging and refuse discharging process is effective for refuse discharging in mine and has the advantages of high jigging efficiency, small occupied space, low water consumption and has no complex media system. The actual production conditions and space constraints of coal mine are taken into account, a variable-orifice grading sieve, a sieve scraper conveyor, a variable chamber air chamber jigging machine and a sketch bucket lifting dewatering machine are utilized in the process, structural innovation and functional integration are enhanced, and the technical requirements are met while the process is simplified and multi-functional. Further, the loss in the process is reduced to easily run in the narrow space in mine roadway, and the process is easy to link with the mining production lines. The process can discharge the refuse blocks of the raw coal in the coal mine to effectively reduce the mine recrement. The entire process system is simple and reliable with low investment. The size of the discharging refuse can be adjusted as needed to guarantee the clearance rate and the purity of the recrement, and all the coal slime is recovered to achieve the closed water circuit.
Description
Technical field
The present invention relates to a kind ofly can realize the change chamber air chamber coal jigging technique of discharging piece spoil under coal mine from run-of-mine coal (ROM coal).
Background technology
Under coal mine, build run-of-mine coal (ROM coal) discharge refuse process system, adopt jigging method to discharge on the spot piece spoil in run-of-mine coal (ROM coal), invalid transportation and the spoil that can reduce the generation of mine hoisting spoil discharge in the accumulation on ground, and technique is simple simultaneously, conserve water, reach the effect of achieving many things at one stroke.The change chamber air chamber jigging discharge refuse technique discharge refuse efficiency of special invention is high, and floor space is little, and water is few, there is no complicated medium system.It is the effective technique of down-hole discharge refuse.
Summary of the invention
The object of this invention is to provide a kind of system simple, invest littlely, can realize the coal jigging technique that goes out piece spoil under coal mine from run-of-mine coal (ROM coal).
The present invention is a kind of change chamber air chamber jigging discharge refuse technique being applied under coal mine, and its discharge refuse efficiency is high, and floor space is little, and water is few, there is no complicated medium system.It is the effective technique of down-hole discharge refuse.This technique is considered actual production conditions and the space environment restriction under coal mine comprehensively, in technology establishment process, adopt change hole classifying screen, screening to carry scraper plate, become chamber air chamber jigging machine and special-shaped bucket lifting dewaterer etc., focus on structure innovation and function integrated, equipment is meeting under the prerequisite of technological requirement, weight reducing and multi-functional as far as possible, make the loss of technology arrangement absolute altitude little, be easy to realize in the roadway small space environment of colliery, be conveniently connected with coal mining production line.This technique is discharged the piece cash in run-of-mine coal (ROM coal) under coal mine, effectively reduces mine hoisting spoil; Whole process system is simple and reliable, it is little to invest, and can adjust as required discharge refuse granularity, takes into account the high free rate of piece cash and discharges the degree of purity of piece cash; And reclaim whole coal slimes, realize closed water circuit.
The present invention is applied to the run-of-mine coal (ROM coal) jigging discharge refuse technique under coal mine, comprises the steps:
A. mine working face run-of-mine coal (ROM coal) is carried out to sieve classification one time, obtain oversize and screenings, oversize and screenings enter respectively next step;
B. the oversize by obtaining in step a is carried out to fragmentation, the breakdown products obtaining enters next step;
C. the screenings by obtaining in step a is carried out to regrading classification, obtain oversize and screenings, screenings is as smalls product, and oversize enters next step;
D. the breakdown products obtaining by step b and the oversize obtaining by step c enter same conveying equipment, conveying equipment is in the process of carrying, the breakdown products obtaining by step b and the oversize that obtains by step c are carried out to inspectability screening, obtain oversize and thoroughly sieve thing, oversize is continued to carry towards former direction simultaneously, enter next step, thoroughly sieve thing and carry along the direction contrary with oversize throughput direction, as smalls product, mix with the screenings from step c;
E. the oversize piece run-of-mine coal (ROM coal) obtaining by steps d enters and becomes chamber air chamber jigging machine, through jigging sorting, obtains piece cleaned coal, piece spoil and jigging machine overflow;
F. the piece cleaned coal obtaining by step e and piece spoil enter same abnormity dehydration lifting means, via the along continuous straight runs limit conveying in haulage drift of dehydration lifting means, limit dehydration, obtain piece cleaned coal, piece spoil product and the overflow of dehydration lifting means, piece cleaned coal and piece spoil product are reprinted to follow-up rubber conveyer.The overflow of dehydration lifting means enters next step;
G. the dehydration lifting means overflow that the jigging machine overflow that step e produces and step f produce enters concentrator, and concentrated overflow is as recirculated water, for jigging sorting; Concentrated underflow is processed through coarse slime dehydration equipment, and the coarse slime obtaining is sneaked into piece cleaned coal, and filtrate enters filtering equipment; The filter cake of filtering equipment is sneaked into piece cleaned coal, filtrate as recirculated water for jigging sorting.
Accompanying drawing explanation
The drawing of accompanying drawing is described as follows:
Fig. 1 is a kind of change chamber air chamber jigging discharge refuse process flow diagram being applied under coal mine.
Fig. 2 is the schematic flow sheet of a kind of specific embodiments of technique described in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, enforcement of the present invention is done to detailed statement:
In Fig. 2, while being applied to the run-of-mine coal (ROM coal) jigging discharge refuse process system normal operation under coal mine, mine working face run-of-mine coal (ROM coal) is through a sieve classification (partition size 150mm, but be not limited only to 150mm), on sieve+150mm material enters graded crushing crusher machine, disintegrating machine discharging-material size-150mm (particle size after cracking is determined according to the jigging material size upper limit, is not limited only to 150mm); Under sieve-150mm material carries out regrading classification.Under regrading classification (partition size 25mm, but be not limited to 25mm) gained sieve-25mm material is as smalls product; On sieve+25mm material and Sizing Crusher discharging enter double-deck drag screen extension set.
Double-deck drag screen extension set is that some sections of double-deck drag conveyor is improved to the version that possesses screening function as required, screening section partition size 25mm (being not limited only to 25mm).When double-deck drag screen extension set feeding secondary sieve classification gained sieves upper+25mm material and Sizing Crusher discharging, material is carried out to inspectability screening,-25mm material falls into double-deck drag screen extension set lower floor, be reversed conveying, as under smalls product and regrading classification gained sieve-25mm material converges, all the other 25mm-150mm (being not limited only to 25mm-150mm) material continues to deliver into discharge refuse jigging machine.
25mm-150mm material carries out washing in discharge refuse jigging machine, obtains piece cleaned coal and piece spoil.This jigging machine, for adapting to subsurface environment, is used instead and is become chamber air chamber, has reduced bellows chamber and overfall height.Through isolated block of cleaned coal of jigging machine and piece spoil, enter same the double bucket lifting equipment of abnormity.The lifting track of the double bucket lifting equipment of abnormity, after a disconnected bending section, becomes level run, can make equipment adapt to the height of mine laneway; The double bucket lifting equipment of abnormity can be realized simultaneously to the dehydration of two kinds of materials, conveying.Piece cleaned coal and piece spoil, through dehydration, the conveying of special-shaped double bucket lifting equipment, become final piece head coal product and piece spoil product.
The overflow of the overflow of discharge refuse jigging machine and special-shaped double bucket lifting equipment enters concentrated bucket (being not limited only to concentrated bucket), and concentrated overflow is as recirculated water, and concentrated underflow enters high-frequency screen (being not limited only to high-frequency screen).Coarse slime on high-frequency screen is sneaked into piece head coal product, and backwater enters filter press via filter press pan feeding water tank.Filter press filter cake is sneaked into piece head coal product, and filtrate is as recirculated water.The related black water of this part is processed relevant device and is all taked intermittent duty mode.
In Fig. 1, be applied to that change chamber air chamber jigging discharge refuse process system under coal mine breaks down or between turn(a)round, mine working face run-of-mine coal (ROM coal) does not enter this system.
The invention discloses a kind of change chamber air chamber jigging discharge refuse technique being applied under coal mine, can realize under coal mine, discharge run-of-mine coal (ROM coal) in piece cash.Though enumerated above less embodiment, for the ordinary person of the art, some that technological parameter, process equipment etc. in the present invention are done retrofited, improved, replaces, reconfigures etc., all within the present invention's scope required for protection.
Claims (8)
1. be applied to the change chamber air chamber jigging discharge refuse technique under coal mine, comprise the steps:
A. mine working face run-of-mine coal (ROM coal) is carried out to sieve classification one time, obtain oversize and screenings;
B. oversize step a being obtained carries out fragmentation, the breakdown products obtaining;
C. screenings step a being obtained carries out regrading classification, obtains oversize and screenings;
D. the oversize that the breakdown products that step b obtains and step c obtain enters same conveying equipment, and conveying equipment is in the process of carrying, and the oversize that the breakdown products that step b is obtained and step c obtain sieves, and obtains oversize and thoroughly sieves thing;
E. the oversize that steps d obtains enters and becomes chamber air chamber jigging machine, through jigging sorting, obtains piece cleaned coal, piece spoil and jigging machine overflow;
F. step e obtains piece cleaned coal and piece spoil enter dehydration lifting means, via dehydration lifting means along continuous straight runs in haulage drift, carry, dehydration simultaneously, obtains piece cleaned coal, piece spoil product and the overflow of dehydration lifting means, and piece cleaned coal and piece spoil product are reprinted to follow-up rubber conveyer;
G. the dehydration lifting means overflow that the jigging machine overflow that step e produces and step f produce enters concentrator, and concentrated overflow is as recirculated water, for jigging sorting; Concentrated underflow is processed through coarse slime dehydration equipment, and the coarse slime obtaining is sneaked into piece cleaned coal, and filtrate enters filtering equipment; The filter cake of filtering equipment is sneaked into piece cleaned coal, filtrate as recirculated water for jigging sorting.
2. change according to claim 1 chamber air chamber jigging discharge refuse technique, is characterized in that: a sieve classification partition size is 150mm.
3. change according to claim 1 chamber air chamber jigging discharge refuse technique, is characterized in that: regrading classification partition size is 25mm.
4. according to the change chamber air chamber jigging discharge refuse technique described in claim 1 or 2 or 3, it is characterized in that: the screening plant of use is double-deck drag screen extension set.
5. change according to claim 4 chamber air chamber jigging discharge refuse technique, it is characterized in that: double-deck drag screen extension set feeding secondary sieve classification gained on-the-sieve material continues to carry towards former direction, thoroughly sieve thing falls into double-deck drag screen extension set lower floor, along the direction contrary with oversize throughput direction, carries.
6. change according to claim 1 chamber air chamber jigging discharge refuse technique, is characterized in that: the dehydration lifting means of use, for the abnormity lifting means that dewaters, promotes track and is comprised of bending section and horizontal segment.
7. according to the change chamber air chamber jigging discharge refuse technique described in claim 1 or 6, it is characterized in that: coarse slime dehydration equipment is high-frequency screen.
8. according to the change chamber air chamber jigging discharge refuse technique described in claim 1 or 6, it is characterized in that: filtrate processing is taked intermittent duty mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028692.6A CN103056021B (en) | 2013-01-25 | 2013-01-25 | Jigging and refuse discharging process for variable air chamber in coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028692.6A CN103056021B (en) | 2013-01-25 | 2013-01-25 | Jigging and refuse discharging process for variable air chamber in coal mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103056021A CN103056021A (en) | 2013-04-24 |
| CN103056021B true CN103056021B (en) | 2014-10-29 |
Family
ID=48099086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310028692.6A Expired - Fee Related CN103056021B (en) | 2013-01-25 | 2013-01-25 | Jigging and refuse discharging process for variable air chamber in coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103056021B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948227B (en) * | 2015-05-29 | 2017-03-08 | 天地科技股份有限公司 | A kind of underground coal mine washing process dual system method for arranging |
| CN107008566B (en) * | 2017-05-09 | 2019-06-07 | 中国矿业大学 | A kind of steam coal separation technique |
| CN109999991A (en) * | 2019-03-28 | 2019-07-12 | 通用技术集团工程设计有限公司 | A kind of thermal coal dense medium sorting process effectively reducing slime content |
| CN111617879B (en) * | 2020-04-27 | 2025-06-24 | 赛普瑞特(天津)工业技术有限公司 | Intelligent powder removal system and control method |
| CN118437496A (en) * | 2024-04-13 | 2024-08-06 | 滕州市天元工贸有限公司 | Quick gangue discharging process for jigging type coal washing and dressing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832835A (en) * | 1986-05-30 | 1989-05-23 | Klockner-Humboldt-Deutz Ag | Air pillow in the air chambers of a bottom pulsed jigging machine |
| US5791496A (en) * | 1994-12-15 | 1998-08-11 | Allmineral Aufbereitungstechnik Gmbh & Co. Kg | Air-pulsed jigging machine with safety means against blow through |
| CN1883812A (en) * | 2006-07-08 | 2006-12-27 | 枣庄矿业(集团)有限责任公司 | Raw coal sorting process |
| CN101507943A (en) * | 2009-03-22 | 2009-08-19 | 姚昆亮 | Air-chamber jigger and coal separation method thereof |
| CN201500577U (en) * | 2009-09-22 | 2010-06-09 | 王迪业 | Heavy medium shallow slot sorting mine underground refuse discharging system |
-
2013
- 2013-01-25 CN CN201310028692.6A patent/CN103056021B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832835A (en) * | 1986-05-30 | 1989-05-23 | Klockner-Humboldt-Deutz Ag | Air pillow in the air chambers of a bottom pulsed jigging machine |
| US5791496A (en) * | 1994-12-15 | 1998-08-11 | Allmineral Aufbereitungstechnik Gmbh & Co. Kg | Air-pulsed jigging machine with safety means against blow through |
| CN1883812A (en) * | 2006-07-08 | 2006-12-27 | 枣庄矿业(集团)有限责任公司 | Raw coal sorting process |
| CN101507943A (en) * | 2009-03-22 | 2009-08-19 | 姚昆亮 | Air-chamber jigger and coal separation method thereof |
| CN201500577U (en) * | 2009-09-22 | 2010-06-09 | 王迪业 | Heavy medium shallow slot sorting mine underground refuse discharging system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103056021A (en) | 2013-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105597915B (en) | The wide dual Jie's whole coarse slime separating process of grade can be achieved in one kind | |
| CN103056021B (en) | Jigging and refuse discharging process for variable air chamber in coal mine | |
| CN103623918A (en) | Steam coal washing processing method for easy-to-argillization gangues | |
| CN101482005A (en) | Down-hole gross coal dirt-discharging and mine water treating combined process | |
| PH12020552290A1 (en) | Systems and method for washing and grading particulate material | |
| CN107377196B (en) | A kind of sand ilmenite selects tail processing system and treatment process | |
| CN109201316B (en) | Clean utilization production process for raw coal | |
| CN103567056A (en) | Downhole jigging and gangue discharging method | |
| CN104549709A (en) | Flip-flow screen dry fine coal removal dense medium separation method of lump coal before feed for washing | |
| CN102228866B (en) | Composite grading method and equipment for grinding ore products | |
| US20170151573A1 (en) | Apparatus and process for fines recovery | |
| WO2020065678A1 (en) | A system and a method for classification of materials | |
| KR100451059B1 (en) | Method and apparatus for manufacturing agrregate | |
| CN202129156U (en) | Three-product autogenous medium cyclone for coarse coal slime separation | |
| CN101670310A (en) | Dense-medium shallow-groove separating and waste-rock exhausting system used under coal mine | |
| CN101869868B (en) | Waste rock discharging and sorting comprehensive treatment method for underground lump coal | |
| McPhail et al. | Practical tailings slurry dewatering and tailings management strategies for small and medium mines | |
| CN103447228B (en) | Wet screening device for tailings undersize products and wet screening arrangement process | |
| CN201500577U (en) | Heavy medium shallow slot sorting mine underground refuse discharging system | |
| CN104437832A (en) | Dry-method fines removal dense medium sorting process for slack coal flip-flow screen | |
| CN109158202A (en) | Broken-screening-washup the technique of the high high water earth's surface mixing bloodstone of mud | |
| CN102179290A (en) | Method for recycling clean coal from high-ash coal slurry tailings | |
| CN101732923B (en) | Moving dehydration device for underground water coal | |
| KR102287042B1 (en) | System device process for classification of various materials | |
| CN211160208U (en) | Spiral conveying sand washer system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170125 |