CN104208946A - Method and equipment for directly treating water burst on coal mining work face - Google Patents
Method and equipment for directly treating water burst on coal mining work face Download PDFInfo
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- CN104208946A CN104208946A CN201310398190.2A CN201310398190A CN104208946A CN 104208946 A CN104208946 A CN 104208946A CN 201310398190 A CN201310398190 A CN 201310398190A CN 104208946 A CN104208946 A CN 104208946A
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Abstract
The invention provides a method and equipment for directly treating water burst on a coal mining work face. The method and equipment is suitable for carrying out a direct purifying treatment on water burst on a coal mining working face in a coal mine. The water is subjected to the following steps: primary screening, buffering, carrying out centrifugal precipitation, press-filtering to remove water, loading dry coal slurry to a cart, and introducing clean water to the central water chamber. A primary buffer tank, a slurry conveying pump, a horizontal spiral settlement filtering centrifuge, a middle buffer tank, a press-filtering feed pump, and a coal slurry dehydrating filter press are connected through pipelines to form a machine set, which can directly treat the water burst on a working face. The provided method and equipment are continuous and high efficient, the coal slurry sediments in the central water chamber is greatly reduced, the normal water storing function of the water chamber is guaranteed, the frequency of cleaning on the central water chamber is reduced, and moreover the cleaning difficulty in the central water chamber is reduced too.
Description
Technical field
The present invention relates to the direct processing method of coal-face water burst and equipment, be applicable to the direct purification process of coal face water burst, belong to colliery Water outburst treatment technical field.
Background technology
The infiltration of coal-face crack, moisture and working face depositing dust, coal excavation apparatus cooling water etc. collect in a large number in coal mining process between coal seam, sweep along working face coal grain and silt, form water burst in face.Mining area sump (sedimentation basin) is mainly relied on to precipitate water burst coal slime at present, and mining area sump capacity is little, dig clearly and will deposit not in time, cause and pour in central water sump containing large coal particles muddy water, cause central water sump coal slime to deposit rapidly, increased the weight of central water sump and dug workload clearly.Meanwhile, mining area sump construction quantity is many, long construction period, and cleaning difficulty, impact controls flood safety.Mining area sump coal slime sedimentation effect is uncertain, causes central water sump retaining requirement to be difficult to control.
To water burst in face, best bet directly processes water burst at working face exactly, the coal slime of sweeping along in water burst, the grains of sand is directly separated, and discharges relative clean water, enters central water sump.
Summary of the invention
For the weak point of above technology, the invention provides the method and apparatus that a kind of coal-face water burst directly processes.
The direct processing method of coal-face water burst of the present invention, water burst in face is directly sent into elementary surge tank and carry out elementary screening, discharge bulk dry material, black water mixture under sieve is hoarded in elementary surge tank, to regulate water burst in face and the inconsistent fluctuation caused of system processing speed, then start slurry transportation pump and the black water mixture in elementary surge tank is sent into horizontal type screw settling filtering centrifuge, black water mixture again carries out sedimentation separation under centrifugal action, partly thicker coal slime is discharged from delivering dry coal slurry outlet, partly relatively clean water is discharged from discharge outlet, remaining fine coal slurry aqueous mixtures escapes and enter intermediate buffer tank from screen pack, then start press filtration pan feeding pump and the fine coal slurry aqueous mixtures feeding coal slime dewatering filter press in intermediate buffer tank is carried out last Separation of Solid and Liquid process, the clear water of discharging in whole process can flow directly into central water sump, delivering dry coal slurry directly loads mine car or is transported by belt conveyor.
For the equipment of the direct processing method of coal-face water burst of the present invention, elementary surge tank, slurry transportation pump, horizontal type screw settling filtering centrifuge, intermediate buffer tank, press filtration pan feeding pump and coal slime dewatering filter press is adopted to be combined by pipeline Connecting groups, elementary surge tank inside is provided with Screening Network, side is provided with water burst in face import, opposite side is provided with bulk materials outlet, bottom is provided with black water outlet, slurry transportation pump feed pipe connects the black water outlet bottom elementary surge tank, and discharging pipeline connects the feed pipe of horizontal type screw settling filtering centrifuge, horizontal type screw settling filtering centrifuge comprises differential mechanism and rotary drum, concentric discharge auger is set with in rotary drum, the while that both high speeds being homodromal, there is again certain speed discrepancy, this speed discrepancy is produced by transmission system and differential mechanism, rotary drum small end end is provided with dry material outlet, dry material outlet inner side is screen pack, the large end of rotary drum is discharge outlet, black water mixture enters discharge auger inner chamber by feed pipe, enter in rotary drum after accelerating, under centrifugal action, coal slime particles settling is to drum inner wall, form sediment circular layer, and be constantly pushed to rotary drum small end by discharge auger, material compresses through small end, improve concentration, then push between filtering area, the coal slime that particle is larger is pushed to dry material outlet and is transported by mine car, the liquid of clarification is constantly discharged from the discharge outlet of the large end of rotary drum and flows into central water sump, fine coal slurry aqueous mixtures is then discharged by screen pack, and enter the intermediate buffer tank be arranged on below horizontal type screw settling filtering centrifuge, then enter coal slime dewatering filter press by press filtration pan feeding pump and carry out last Separation of Solid and Liquid process, coal slime dewatering filter press is provided with two workspaces, workspace one and workspace two, discharging belt feeder is provided with below workspace, both sides are equipped with rhone, control duff muddy water by triple valve and enter workspace one or workspace two, two workspace alternations can realize dewatering work and carry out continuously.
The direct processing method of coal-face water burst of the present invention and equipment, the operations such as central water sump are flowed back to by elementary screening, buffering, centrifugal sedimentation, filter-press dehydration, delivering dry coal slurry entrucking, clean water, coordinate the equipment of each operation, realize the direct process of water burst in face, continuous high-efficient, greatly reduces the alluvial of central water sump coal slime, ensures the normal retaining of sump, reduce the clearing times of central water sump, what reduce central water sump digs difficulty clearly.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Accompanying drawing is the structural representation of the direct treatment facility of coal-face water burst of the present invention.
In figure: 1, elementary surge tank, 1-1, water burst in face import, 1-2, black water exports, 1-3, Screening Network, 1-4, bulk materials exports, 2, slurry transportation pump, 3, horizontal type screw settling filtering centrifuge, 3-1, feed pipe, 3-2, discharge outlet, 3-3, discharge auger, 3-4, screen pack, 3-5, delivering dry coal slurry exports, 3-6, rotary drum, 3-7, differential mechanism, 4, intermediate buffer tank, 5, press filtration pan feeding pump, 6, coal slime dewatering filter press, 6-1, triple valve, 6-2, workspace one, 6-3, discharging belt feeder, 6-4, workspace two, 6-5, rhone.
Detailed description of the invention
The step of the direct processing method of coal-face water burst of the present invention is as follows:
Step one: water burst in face is directly sent in elementary surge tank 1 and carry out elementary screening, discharge bulk dry material, black water mixture under sieve is hoarded in elementary surge tank, to regulate water burst in face and the inconsistent fluctuation caused of system processing speed, waits to be pumped;
Step 2: start slurry transportation pump 2 and the black water mixture in elementary surge tank is sent into horizontal type screw settling filtering centrifuge 3;
Step 3: black water mixture again carries out sedimentation separation under centrifugal action, partly thicker coal slime is discharged from delivering dry coal slurry outlet 3-5 and is filled mine car and transports, partly relatively clean water is discharged from discharge outlet 3-2 and flows into central water sump, and remaining fine coal slurry aqueous mixtures escapes and enter intermediate buffer tank 4 from screen pack 3-4;
Step 4: start press filtration pan feeding pump 5 and the fine coal slurry aqueous mixtures in intermediate buffer tank is sent into coal slime dewatering filter press 6;
Step 5: coal slime dewatering filter press 6 is started working, enter the fine coal slurry aqueous mixtures under high pressure Separation of Solid and Liquid of coal slime dewatering filter press, Separation of Water is flowed out by rhone 6-5 and flows into central water sump, delivering dry coal slurry after dehydration then unloads on the discharging belt feeder 6-3 to filter press automatically, is filled mine car or is filled main belt feeder transport by discharging belt feeder.
Complete the equipment of the direct processing method of above-mentioned coal-face water burst: adopt elementary surge tank 1, slurry transportation pump 2, horizontal type screw settling filtering centrifuge 3, intermediate buffer tank 4, press filtration pan feeding pump 5 and coal slime dewatering filter press 6 are combined by pipeline Connecting groups, elementary surge tank 1 inside is provided with Screening Network 1-3, side is provided with water burst in face import 1-1, opposite side is provided with bulk materials outlet 1-4, bottom is provided with black water outlet 1-2, slurry transportation pump 2 feed pipe connects the slow elementary black water outlet 1-2 rushing pot bottom, discharging pipeline connects the feed pipe 3-1 of horizontal type screw settling filtering centrifuge 3, horizontal type screw settling filtering centrifuge comprises differential mechanism 3-7 and rotary drum 3-6, concentric discharge auger 3-3 is set with in rotary drum 3-6, the while that both high speeds being homodromal, there is again certain speed discrepancy, this speed discrepancy is produced by transmission system and differential mechanism 3-7, rotary drum 3-6 small end end is provided with dry material outlet 3-5, dry material outlet inner side is screen pack 3-4, the large end of rotary drum is discharge outlet 3-2, black water mixture enters discharge auger 3-3 inner chamber by feed pipe 3-1, enter in rotary drum 3-6 after accelerating, under centrifugal action, coal slime particles settling is to rotary drum 3-6 inwall, form sediment circular layer, and be constantly pushed to rotary drum 3-6 small end by discharge auger 3-3, material compresses through rotary drum 3-6 small end, improve concentration, then push between filtering area, the coal slime that particle is larger is pushed to dry material outlet and is transported by mine car, the liquid of clarification is constantly discharged from the discharge outlet 3-2 of the large end of rotary drum 3-6 and flows into central water sump, fine coal slurry aqueous mixtures is then discharged by screen pack 3-4, and enter the intermediate buffer tank 4 be arranged on below horizontal type screw settling filtering centrifuge, then entered in coal slime dewatering filter press 6 by press filtration pan feeding pump 5 and carry out last Separation of Solid and Liquid process, coal slime dewatering filter press 6 is provided with two workspaces, workspace one 6-2 and workspace two 6-4, discharging belt feeder 6-3 is provided with below workspace, both sides are equipped with rhone 6-5, control duff muddy water by triple valve 6-1 and enter workspace one or workspace two, two workspace alternations can realize dewatering work and carry out continuously.
Claims (3)
1. the method that directly processes of coal-face water burst, it is characterized in that: adopt elementary surge tank (1) that water burst in face is carried out elementary screening, discharge bulk dry material, black water mixture under sieve is hoarded in elementary surge tank, then start slurry transportation pump (2) and the black water mixture in elementary surge tank (1) is sent into horizontal type screw settling filtering centrifuge (3), black water mixture carries out sedimentation separation under centrifugal action, partly thicker coal slime is discharged from delivering dry coal slurry outlet (3-5), partly relatively clean water is discharged from discharge outlet (3-2), remaining fine coal slurry aqueous mixtures escapes and enter intermediate buffer tank (4) from screen pack (3-4), then start press filtration pan feeding pump (5) and fine coal slurry aqueous mixtures feeding coal slime dewatering filter press (6) in intermediate buffer tank (4) is carried out last Separation of Solid and Liquid process, the clear water of discharging in whole process can flow directly into central water sump, delivering dry coal slurry directly loads mine car or is transported by belt conveyor.
2. the equipment of the direct processing method of coal-face water burst according to claim 1, it is characterized in that: it is by elementary surge tank (1), slurry transportation pump (2), horizontal type screw settling filtering centrifuge (3), intermediate buffer tank (4), press filtration pan feeding pump (5) and coal slime dewatering filter press (6) are formed, elementary surge tank (1) inside is provided with Screening Network (1-3), side is provided with water burst in face import (1-1), opposite side is provided with bulk materials outlet (1-4), bottom is provided with black water outlet (1-2), the feed pipe of slurry transportation pump (2) connects black water outlet (1-2) of elementary surge tank (1) bottom, discharging pipeline connects the feed pipe (3-1) of horizontal type screw settling filtering centrifuge (3), horizontal type screw settling filtering centrifuge (3) comprises differential mechanism (3-7) and rotary drum (3-6), concentric discharge auger (3-3) is set with in rotary drum (3-6), rotary drum (3-6) small end end is provided with dry material outlet (3-5), dry material outlet (3-5) inner side is screen pack (3-4), rotary drum (3-6) greatly end is discharge outlet (3-2), discharge auger (3-3) inner chamber is provided with feed pipe (3-1), intermediate buffer tank (4) is arranged on below horizontal type screw settling filtering centrifuge (3), export the pipeline be connected with coal slime dewatering filter press (6) under intermediate buffer tank (4) and be provided with press filtration pan feeding pump (5), discharging belt feeder (6-3) is provided with below coal slime dewatering filter press (6) workspace, both sides are equipped with rhone (6-5).
3. the direct treatment facility of coal-face water burst according to claim 2, it is characterized in that: described coal slime dewatering filter press (6) is provided with two workspaces, workspace one (6-2) and workspace two (6-4), control fine coal slurry aqueous mixtures by triple valve (6-1) and enter workspace one (6-2) or workspace two (6-4), two workspace alternations can realize dewatering work and carry out continuously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310398190.2A CN104208946B (en) | 2013-09-05 | 2013-09-05 | The direct processing method of coal-face water burst and equipment |
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| CN201310398190.2A CN104208946B (en) | 2013-09-05 | 2013-09-05 | The direct processing method of coal-face water burst and equipment |
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| CN104208946A true CN104208946A (en) | 2014-12-17 |
| CN104208946B CN104208946B (en) | 2015-09-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774267A (en) * | 2020-12-31 | 2021-05-11 | 安徽节源环保科技有限公司 | Spiral propelling movement centrifugal feeding's plate and frame filter press |
| CN112897723A (en) * | 2021-01-25 | 2021-06-04 | 李进虎 | Mine water underground treatment process |
| CN113105010A (en) * | 2021-04-23 | 2021-07-13 | 海南矿业股份有限公司 | Method for cleaning sludge in mine sedimentation tank |
| CN113321397A (en) * | 2021-06-24 | 2021-08-31 | 厦门厦工重工有限公司 | Coal slime dehydration device and process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503965A (en) * | 2009-03-06 | 2009-08-12 | 徐州天科机械制造有限公司 | Coal slurry excavating and processing method for coal mine water warehouse |
| CN102616957A (en) * | 2012-03-28 | 2012-08-01 | 兖州煤业股份有限公司 | Mine water-inrush treatment multiplex system and treating method thereof |
| CN202705184U (en) * | 2012-04-28 | 2013-01-30 | 周凌云 | Coal mine area wastewater treating and reusing system |
| CN203469660U (en) * | 2013-09-05 | 2014-03-12 | 徐州天科机械制造有限公司 | Direct treatment device for water burst of coal face |
-
2013
- 2013-09-05 CN CN201310398190.2A patent/CN104208946B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101503965A (en) * | 2009-03-06 | 2009-08-12 | 徐州天科机械制造有限公司 | Coal slurry excavating and processing method for coal mine water warehouse |
| CN102616957A (en) * | 2012-03-28 | 2012-08-01 | 兖州煤业股份有限公司 | Mine water-inrush treatment multiplex system and treating method thereof |
| CN202705184U (en) * | 2012-04-28 | 2013-01-30 | 周凌云 | Coal mine area wastewater treating and reusing system |
| CN203469660U (en) * | 2013-09-05 | 2014-03-12 | 徐州天科机械制造有限公司 | Direct treatment device for water burst of coal face |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112774267A (en) * | 2020-12-31 | 2021-05-11 | 安徽节源环保科技有限公司 | Spiral propelling movement centrifugal feeding's plate and frame filter press |
| CN112897723A (en) * | 2021-01-25 | 2021-06-04 | 李进虎 | Mine water underground treatment process |
| CN113105010A (en) * | 2021-04-23 | 2021-07-13 | 海南矿业股份有限公司 | Method for cleaning sludge in mine sedimentation tank |
| CN113321397A (en) * | 2021-06-24 | 2021-08-31 | 厦门厦工重工有限公司 | Coal slime dehydration device and process |
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| CN104208946B (en) | 2015-09-09 |
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