CN110439610A - A kind of remote slurry filling transportation system in coal mine gob and method - Google Patents
A kind of remote slurry filling transportation system in coal mine gob and method Download PDFInfo
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- CN110439610A CN110439610A CN201910816640.2A CN201910816640A CN110439610A CN 110439610 A CN110439610 A CN 110439610A CN 201910816640 A CN201910816640 A CN 201910816640A CN 110439610 A CN110439610 A CN 110439610A
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- filling
- detergent line
- coal mine
- remote
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- 239000002002 slurry Substances 0.000 title claims abstract description 159
- 238000011049 filling Methods 0.000 title claims abstract description 101
- 239000003245 coal Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title description 9
- 239000003599 detergent Substances 0.000 claims abstract description 77
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 238000002360 preparation method Methods 0.000 claims abstract description 21
- 239000011440 grout Substances 0.000 claims abstract description 17
- 238000002716 delivery method Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000000227 grinding Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
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)
- Pipeline Systems (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of remote slurries in coal mine gob to fill transportation system, including slurry preparation system, slurry can and Self-cleaning system, the grout outlet of the slurry preparation system is connected to the stock inlet of the slurry can, the grout outlet of slurry can leads to filling working face by slurry delivery pump and filling piping, and filling piping is connected to by the Self-cleaning system by detergent line with the stock inlet of slurry can.The remote slurry filling transportation system in the coal mine gob realizes the filling of long range large conveying quantity and coal mine detracts lasting exploit, while can also be widely used in the industries such as metallurgical mine.The invention also discloses a kind of remote slurries in coal mine gob to fill delivery method.
Description
Technical field
The invention belongs to coal mine filling production technique fields, fill more particularly to a kind of remote slurry in coal mine gob
Transportation system further relates to a kind of remote slurry filling delivery method in coal mine gob.
Background technique
Currently, coal in China exploitation, washing, spoil, coal slime, the flyash generated in power generation process, coal chemical industry production is produced
The solid waste such as raw waste residue are generally all deposited in ground, these solid waste land occupations, pollute environment, need this
A little solid waste carry out returning well filling, realize that coal mine detracts green filling mining.
Existing coal mine ground paste filling production technique is primarily present following problem: (1) general ground paste filling production technique is more
Ground paste filling is carried out using plunger pump, is limited by technology, this method has that filling haul distance is short, stowage capacity is small；(2)
Ground paste filling requires to be rinsed pipeline every time, and flushing pipeline water requirement is larger, and the discharge of tube washing water underground is difficult；(3)
When working face is filled since various factors suspends, slurry may precipitate in pipeline, and time slightly length then may plugging；(4) initial stage
Equipment investment is high.
Summary of the invention
The first purpose of this invention is to provide a kind of remote slurry filling transportation system in coal mine gob, solution column
It is small that plug pump filling mining technology is unable to long-distance sand transport material, stowage capacity, and ground paste filling is exploited after each sand off or is
Flushing of pipeline trouble when system maintenance, the difficult problem of underground tube washing water draining and circulation disturb anti-slurry precipitating, plugging is asked
Topic.
The second object of the present invention is to provide a kind of remote slurry filling delivery method in coal mine gob, be equally used for
Solving plunger pump filling mining technology, to be unable to long-distance sand transport material, stowage capacity small, and ground paste filling exploits each sand off
Flushing of pipeline trouble afterwards or when system overhaul, the difficult problem of underground tube washing water draining and circulation disturb anti-slurry precipitating, stifled
The problems such as pipe.
In order to achieve the above object, the first technical solution of the present invention is that a kind of coal mine gob is remote
Slurry fills transportation system, including slurry preparation system, slurry can and Self-cleaning system, the grout outlet of the slurry preparation system
It is connected to the stock inlet of the slurry can, the grout outlet of slurry can leads to filling work by slurry delivery pump and filling piping
Filling piping is connected to by face, the Self-cleaning system by detergent line with the stock inlet of slurry can.
The first technical solution of the invention, also has the characteristics that,
The slurry preparation system is by batcher, crusher, the first classifying screen, grinding machine, the second classifying screen and feed cistern structure
At；The feed inlet of the grinding machine is connected to the discharge port of the discharge port of the first classifying screen, the second classifying screen respectively, the water inlet of grinding machine
Mouthful connect with feed cistern, the discharge port of grinding machine is connected to the feed inlet of second classifying screen, the discharge port of the second classifying screen and
The stock inlet of the slurry can is connected to, and the feed inlet of the first classifying screen is connect with the discharge port of the crusher, crusher into
Material mouth is connected to the discharge port of the discharge port of the first classifying screen, batcher respectively.
The slurry can includes the first slurry can and the second slurry can, and the filling piping includes the first filling piping and the
Two filling pipings, the slurry delivery pump include the first slurry delivery pump and the second slurry delivery pump；The slurry preparation system
Grout outlet be connected to the stock inlet of first slurry can, the grout outlet of the first slurry can passes through the first slurry delivery pump and the
One filling piping is connected to the stock inlet of second slurry can, and the grout outlet of second slurry can passes through the second slurry pipeline transport
Pump and the second filling piping lead to filling working face.
Second filling piping is ring seal pipeline, and the upper end of ring seal pipeline and the second slurry delivery pump connect
Logical, filling working face is led in the lower end of ring seal pipeline.
The Self-cleaning system includes service sink, and the outlet of service sink is connected with water pump, and the detergent line includes first
Detergent line, the second detergent line, third detergent line, the 4th detergent line and the 5th detergent line, first cleaning pipe
Road is connected to water pump and at the grout outlet of the first filling piping, and second detergent line is connected to water pump and ring seal
The upper end side of pipeline, the third detergent line are connected to ring seal pipeline between the two sides of lower end, and the described 4th
One end of detergent line is connected to the upper end other side of ring seal pipeline, the other end respectively with the stock inlet of the second slurry can,
One end of the inlet communication of service sink, the 5th detergent line is connect with the outlet of the first slurry delivery pump, the other end and
The stock inlet of one slurry can is connected to.
The other end of 5th detergent line also with the inlet communication for feed cistern.
Blender is provided in first slurry can and the second slurry can.
First slurry delivery pump and the second slurry delivery pump are sequentially connected and are formed by hello stock pump and diaphragm pump.
In order to reach above-mentioned second purpose, second of technical solution of the present invention is a kind of coal mine gob
Remote slurry fills delivery method,
Specifically implement in the following way:
Close the detergent line of Self-cleaning system, open fill pipeline, the slurry warp that slurry preparation system is prepared
Filling piping is delivered to filling working face；
Filling piping is closed, the detergent line of Self-cleaning system, the cleaned pipeline pair of clear water in clear water reserviors (17) are opened
Filling piping is cleaned, and is cleaned in the liquid reflux slurry can of generation.
The beneficial effects of the present invention are: a kind of remote slurry filling transportation system in coal mine gob of the invention and conveying
Method, principle are that the conveying of slurry is carried out using pipeline, and transportation range is long, ability is big, and pipeline is free of cleaning, solves underground and washes
The difficult problem of pipe water draining, prevents slurry precipitating and plugging problem；It mines in coal working face production process flat with filling
Row operation；The filling system realizes the filling of long range large conveying quantity and coal mine detracts lasting exploit, while can also be widely applied
In industries such as metallurgical mines.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the remote slurry filling transportation system in coal mine gob of the invention.
Wherein, 1. batcher, 2. crushers, 3. first classifying screens, 4. grinding machines, 5. second classifying screens, 6. valve F1, 7. valves
Door F2, 8. blenders, 9. first slurry cans, 10. feed stock pump, 11. diaphragm pumps, 12. valve F3, 13. valve F4, 14. valve F5,
15. the second slurry can, 16. valve F6, 17. clear water reserviors, 18. water pumps, 19. valve F7, 20. second detergent lines, 21. valve F8,
22. third detergent line, 23. valve F9, 24. valve F10, 25. mixed pipe lines, 26. delivery pumps, 27. blenders, 28. valves
F11, 29. second filling pipings, 30. valve F12, 31. the 4th detergent lines, 32. second slurry delivery pumps, 33. first slurries are defeated
Send pump, 34. the 5th detergent lines, 35. feed cisterns, 36. first filling pipings, 37. first detergent lines, 38. slurries preparation system
System.
Specific embodiment
Explanation and specific embodiment are described in further detail technical solution of the present invention with reference to the accompanying drawing.
As shown in Figure 1, a kind of remote slurry in coal mine gob of the invention fills transportation system, including slurry preparation system
System 38, slurry can and Self-cleaning system, the grout outlet of slurry preparation system 38 are connected to the stock inlet of slurry can, and slurry can goes out
Slurry mouth leads to filling working face by slurry delivery pump and filling piping, and the Self-cleaning system passes through detergent line for filling pipe
Road is connected to the stock inlet of slurry can.
Specifically:
Slurry preparation system is by batcher 1, crusher 2, the first classifying screen 3, grinding machine 4, the second classifying screen 5 and feed cistern 35
It constitutes；The feed inlet of grinding machine 4 is connected to the discharge port of the discharge port of the first classifying screen 3, the second classifying screen 5 respectively, grinding machine 4 into
The mouth of a river is connect with feed cistern 35, and the discharge port of grinding machine 4 is connected to the feed inlet of the second classifying screen 5, the discharge port of the second classifying screen 5
It is connected to the stock inlet of slurry can, the feed inlet of the first classifying screen 3 is connect with the discharge port of crusher 2, the feed inlet of crusher 2
It is connected to respectively with the discharge port of the discharge port of the first classifying screen 3, batcher 1；First classifying screen 3 and the second classifying screen 5 can incite somebody to action
Biggish sieving granular material return re-works.
Slurry can includes the first slurry can 9 and the second slurry can 15, and filling piping includes the first filling piping 36 and second
Filling piping 29, slurry delivery pump include the first slurry delivery pump 33 and the second slurry delivery pump 32；Slurry preparation system goes out
Slurry mouth is connected to the stock inlet of the first slurry can 9, and the grout outlet of the first slurry can 9 is filled by the first slurry delivery pump 33 and first
It fills out pipeline 36 to be connected to the stock inlet of the second slurry can 15, the grout outlet of the second slurry can 15 passes through 32 He of the second slurry delivery pump
Second filling piping 29 leads to filling working face.
Second filling piping 29 is ring seal pipeline, and the upper end of ring seal pipeline and the second slurry delivery pump 32 connect
Logical, filling working face is led in the lower end of ring seal pipeline.
Self-cleaning system includes service sink 17, and the outlet of service sink 17 is connected with water pump 18, and detergent line includes first clear
Pipeline 37, the second detergent line 20, third detergent line 22, the 4th detergent line 31 and the 5th detergent line 34 are washed, first is clear
It washes pipeline 37 to be connected at water pump 18 and the grout outlet of close first filling piping 36, the second detergent line 20 is connected to water pump 18
With the upper end side of ring seal pipeline, third detergent line 22 is connected to ring seal pipeline between the two sides of lower end,
One end of 4th detergent line 31 is connected to the upper end other side of ring seal pipeline, the other end respectively with the second slurry can 15
The inlet communication of stock inlet, service sink 17, one end of the 5th detergent line 34 are connect with the outlet of the first slurry delivery pump 33, separately
The inlet communication of the stock inlet of one end and the first slurry can 9, feed cistern 35.
Blender 8 is provided in first slurry can 9 and the second slurry can 15, blender 8 prevents it for stirring slurry
It precipitates.
First slurry delivery pump 33 and the second slurry delivery pump 32 are sequentially connected and are formed by hello stock pump and diaphragm pump, work as pressure
When power difference is smaller, it can be used and feed stock pump back work.
A kind of working principle of the remote slurry filling transportation system in coal mine gob of the invention described briefly below:
When being normally carried out ground paste filling work: closing the valve F in the first detergent line 37616, the second detergent line 20
On valve F719, the valve F in third detergent line 22923, the valve F in the 4th detergent line 31413 and valve F5
14 and the 5th valve F in detergent line 3427 and valve F16, open valve F in the first filling piping 36312 and second
Valve F in filling piping 29821, valve F1024, simultaneously close off valve F1128 and valve F1230, or open valve
F1128 and valve F1230, close valve F821, valve F1024, or open valve F821, valve F1024, valve F11
28, valve F1230, the slurry that slurry preparation system is prepared is delivered to the mixing duct under mine through the second filling piping 29
In 25, blender 27 under mine produces at the same time cement slurry or other cementitious materials are also delivered to mixing through delivery pump 26
In pipeline 25, filling working face is delivered to after the two mixing；
When suspending ground paste filling work, when cleaning the first filling piping 36: opening the valve F in the first detergent line 376
16 and 34 valve F of the 5th detergent line27, close the valve F in the second detergent line 20719, the first filling piping 36 is closed
Middle valve F312, close valve F16, clear water cleans the first filling piping 36 in clear water reserviors 17, cleans the liquid of generation
It flows back in the first slurry can 9, when cleaning solution is clear water, closes the valve F in the 5th detergent line 3427, it is clear to open the 5th
Wash the valve F in pipeline 3416, it is discharged into clear water in feed cistern 35, terminates cleaning.
When suspending ground paste filling work, when cleaning the second filling piping 29: opening the valve F in the second detergent line 207
19, the valve F in third detergent line 22923 and the 4th valve F in detergent line 31514, close the first detergent line 37
On valve F616, the valve F of the 4th detergent line 31 is closed413, close the valve F in the second filling piping 29821, valve
Door F1024, valve F1128, valve F1230, clear water cleans the second filling piping 29 in clear water reserviors 17, and cleaning generates
The second slurry can of liquid reflux 15 in, when cleaning solution be clear water when, open the 4th detergent line 31 on valve F413, it closes
Valve closing door F514, it flows into clear water in clear water reserviors 17, terminates cleaning.
A kind of remote slurry in coal mine gob of the invention fills delivery method, specifically implements in the following way:
Close the detergent line of Self-cleaning system, open fill pipeline, the slurry warp that slurry preparation system is prepared
Filling piping is delivered to filling working face；
Filling piping is closed, the detergent line of Self-cleaning system is opened, the cleaned pipeline of clear water in clear water reserviors 17 is to filling
It fills out pipeline to be cleaned, clean in the liquid reflux slurry can of generation.
Close the detergent line of Self-cleaning system, open fill pipeline, the slurry warp that slurry preparation system is prepared
Filling piping is delivered to filling working face, specifically: closing the first detergent line 37, the second detergent line 20, third cleaning
Pipeline 22, the 4th detergent line 31 and the 5th detergent line 34 open the first filling piping 36 and the second filling piping 29, make to expect
The slurry pipeline transport that is prepared of slurry preparation system is to filling working face；
Filling piping is closed, the detergent line of Self-cleaning system is opened, the cleaned pipeline of clear water in clear water reserviors 17 is to filling
It fills out pipeline to be cleaned, clean in the liquid reflux slurry can of generation, specifically: (1) opening the first detergent line 37 and the
The second detergent line 20, third detergent line 22 and the 4th detergent line 31 are closed in five detergent lines 34, close the first filling pipe
The second filling piping 29 is opened on road 36, and clear water cleans the first filling piping 36 in clear water reserviors 17, cleans the liquid of generation
It flows back in the first slurry can 9；(2) the second detergent line 20, third detergent line 22 and the 4th detergent line 31 are opened, closes the
One detergent line 37 and the 5th detergent line 34, close the first filling piping 36 and the second filling piping 29, clear in clear water reserviors 17
Water cleans the second filling piping 29, cleans in the second slurry can of liquid reflux 15 of generation.
Claims (9)
1. a kind of remote slurry in coal mine gob fills transportation system, which is characterized in that including slurry preparation system (38), storage
Slurry tank and Self-cleaning system, the grout outlet of the slurry preparation system are connected to the stock inlet of the slurry can, and slurry can goes out
Slurry mouth leads to filling working face by slurry delivery pump and filling piping, and the Self-cleaning system passes through detergent line for filling pipe
Road is connected to the stock inlet of slurry can.
2. the remote slurry in coal mine gob according to claim 1 fills transportation system, which is characterized in that the slurry
Preparation system is by batcher (1), crusher (2), the first classifying screen (3), grinding machine (4), the second classifying screen (5) and feed cistern (35)
It constitutes；The feed inlet of the grinding machine (4) connects with the discharge port of the discharge port of the first classifying screen (3), the second classifying screen (5) respectively
Logical, the water inlet of grinding machine (4) is connect with feed cistern (35), the discharge port of the second classifying screen (5) respectively with grinding machine (4) feed inlet,
The stock inlet of first slurry can (9) is connected to, and the discharge port of the second classifying screen (5) is connected to the stock inlet of the slurry can, and first
The feed inlet of classifying screen (3) is connect with the discharge port of the crusher (2), and the feed inlet of crusher (2) is classified with first respectively
Sieve the discharge port connection of the discharge port, batcher (1) of (3).
3. the remote slurry in coal mine gob according to claim 1 fills transportation system, which is characterized in that the storage slurry
Tank includes the first slurry can (9) and the second slurry can (15), and the filling piping includes that the first filling piping (36) and second are filled
It fills out pipeline (29), the slurry delivery pump includes the first slurry delivery pump (33) and the second slurry delivery pump (32)；The slurry
The grout outlet of preparation system is connected to the stock inlet of first slurry can (9), and the grout outlet of the first slurry can (9) passes through first
Slurry delivery pump (33) and the first filling piping (36) are connected to the stock inlet of second slurry can (15), the second storage slurry
The grout outlet of tank (15) leads to filling working face by the second slurry delivery pump (32) and the second filling piping (29).
4. the remote slurry in coal mine gob according to claim 3 fills transportation system, which is characterized in that described second
Filling piping (29) is ring seal pipeline, and the upper end of ring seal pipeline is connected to the second slurry delivery pump (32), annular envelope
Filling working face is led in the lower end on stopped pipe road.
5. the remote slurry in coal mine gob according to claim 4 fills transportation system, which is characterized in that described from clear
Washing system includes service sink (17), and the outlet of service sink (17) is connected with water pump (18), and the detergent line includes the first cleaning
Pipeline (37), the second detergent line (20), third detergent line (22), the 4th detergent line (31) and the 5th detergent line
(34), first detergent line (37) is connected to water pump (18) and at the grout outlet of the first filling piping (36), described
Second detergent line (20) is connected to the upper end side of water pump (18) and ring seal pipeline, and the third detergent line (22) is even
It connects between the two sides in ring seal pipeline close to lower end, one end of the 4th detergent line (31) is connected to ring seal pipe
The upper end other side on road, the other end inlet communication with the stock inlet of the second slurry can (15), service sink (17) respectively, described
One end of five detergent lines (34) is connect with the outlet of the first slurry delivery pump (33), the other end and the first slurry can (9) into
Starch mouth connection.
6. the remote slurry in coal mine gob according to claim 5 fills transportation system, which is characterized in that the described 5th
Inlet communication of the other end of detergent line (34) also with feed cistern (35).
7. the remote slurry in coal mine gob according to claim 5 fills transportation system, which is characterized in that described first
Blender (8) are provided in slurry can (9) and the second slurry can (15).
8. the remote slurry in ore goaf according to claim 6 fills transportation system, which is characterized in that first material
Slurry delivery pump (33) and the second slurry delivery pump (32) are sequentially connected and are formed by hello stock pump and diaphragm pump.
9. a kind of remote slurry in coal mine gob fills delivery method, it is based on coal mine of any of claims 1-8
The remote slurry in goaf fills transportation system, which is characterized in that specifically implements in the following way:
The detergent line of closing Self-cleaning system, open fill pipeline, the slurry that slurry preparation system is prepared are filled
Pipeline transport is to filling working face；
Filling piping is closed, opens the detergent line of Self-cleaning system, the cleaned pipeline of clear water in clear water reserviors (17) is to filling
Pipeline is cleaned, and is cleaned in the liquid reflux slurry can of generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816640.2A CN110439610B (en) | 2019-08-30 | 2019-08-30 | Remote slurry filling and conveying system and method for coal mine goaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816640.2A CN110439610B (en) | 2019-08-30 | 2019-08-30 | Remote slurry filling and conveying system and method for coal mine goaf |
Publications (2)
| Publication Number | Publication Date |
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| CN110439610A true CN110439610A (en) | 2019-11-12 |
| CN110439610B CN110439610B (en) | 2024-06-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111158304A (en) * | 2019-12-31 | 2020-05-15 | 陕西神渭煤炭管道运输有限责任公司 | Slurry pipeline conveying cascade control system and control method thereof |
| CN116085036A (en) * | 2023-02-28 | 2023-05-09 | 通用技术集团工程设计有限公司 | Filling device for coal mine goaf |
| CN117314371A (en) * | 2023-11-30 | 2023-12-29 | 济宁矿业集团有限公司霄云煤矿 | Intelligent management platform for coal mine solid filling |
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