CN106943785A - It is a kind of to be suitable to ten million ton, the high down-hole water coal dewatering system of water content - Google Patents
It is a kind of to be suitable to ten million ton, the high down-hole water coal dewatering system of water content Download PDFInfo
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- CN106943785A CN106943785A CN201710265299.7A CN201710265299A CN106943785A CN 106943785 A CN106943785 A CN 106943785A CN 201710265299 A CN201710265299 A CN 201710265299A CN 106943785 A CN106943785 A CN 106943785A
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- coal
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- vibratory sieve
- drainage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
Abstract
The present invention, which is disclosed, a kind of is suitable to ten million ton, the high down-hole water coal dewatering system of water content.The system includes being located at damping buffering distribution device, the large-scale drainage vibratory sieve positioned at damping buffering distribution device delivery end bottom, large-scale feed dewatering screen, buffer slide chute and all kinds of supports positioned at large-scale drainage vibration lower part of screen that the main fortune belt of coal stream throws coal direction;The damping buffering distribution device can be adjusted with the main fortune belt height straggly of coal stream according to coal uninterrupted;The large-scale drainage vibratory sieve angle of inclination passes through spring bracing group according to the big I of waterMispairing highly set and be adjusted;The large-scale drainage vibratory sieve oversize directly enters belt elevator by buffer slide chute, in case of the system failure does not influence the operation of coal stream original system then;Water is more in screenings and coal grain is few, and the supporting large-scale feed dewatering screen carries out second dehydration, and water quality is higher after dehydration.
Description
Technical field
It is more particularly to a kind of to be suitable to ten million ton, water content the present invention relates to a kind of large-scale dewatering system of underground coal mine coal stream
High down-hole water coal dewatering system, belongs to underground coal mine floods Prevention Technique field.
Background technology
With the innovation of coal-mining technique, the country has been completed the ton large-scale mine of many places ten million, is provided in coal supply invention
Powerful guarantee, but down-hole accident also takes place frequently constantly, wherein because hydromining technique influence increases coal stream conveying difficulty, or even in water
The paralysis of fortune coal measures degree of unification, high risks are caused to enterprise operation in the case of amount is great!Only the underground of coal is lifted with water,
Transport for the puzzlement caused, research and develop new underground dehydration technique very urgent to alleviate water coal disaster.
Underground dehydration technique is substantially disclosed in patent 200710055148.5:Coal flow through multi-layer vibration Dewatering sieve,
Oversize is dense to milling coal hole, screenings to sedimentation basin, sedimentation basin bottom coal slime to centrifuge dewatering, centrifugate return sedimentation basin
Contracting, centrifugation coal slime are flowed into shaft sump to the overflow water in milling coal hole, sedimentation basin, finally realize closed cycle.
Patent 200910175210.3 is open to use three-level dewatering process:Coal slurry leads into lump coal on Dewatering sieve, sieve
Cross scratch board conveyor dehydration and enter coal bunker, sieve low-grades and overflow to concentration storehouse, concentration orlop and flow to high-frequency screen dehydration, coarse slime on sieve
Concentration storehouse, concentration storehouse overflow plus flocculant, which are back to, into coal bunker, backwater is mixed into tube settling storehouse, tube settling orlop
Fine coal slurry is flowed to be reclaimed with pump supply filter press dehydration.
Two patents disclosed above for the problem of be realize coal water be completely separated reduce ground coal dehydration procedure, root
It is combined to support multiple dehydration procedure according to the existing equipment configuration feature that can be adapted to underground dehydration.In face of of today thousand
Ten thousand tons of mines, practice process down-hole treatment amount is once too high(>103t/h), because the limitation of underground space can be directly used in underground dehydration
Market equipment be rarely reported, disclosed underground coal water technology can not be followed at all for the coal stream process of high throughput.
Technical spirit disclosed in patent 201510619923.X is:Water burst coal during down-hole drilling flows through ejector-shunting
Device to vibrating-dewatering screen, oversize enters to connect coal groove, screenings current inlet water tank and used by dredge pump progress extraction for drilling.Should
The emphasis of patent is water circulation problem when how to solve drilling, realizes the circulation-supplied of Drilling Water, can be effectively improved work
Make environment.
Dehydration technique disclosed in patent 201410708358.X is:Big medium sized coal is discharged to main transport glue in screeding device end
Band, screeding device both sides discharge small coal, smalls and coal slurry drop down onto wired belt conveyer, wired belt conveyer end discharge small coal and
The a small amount of smalls and coal slurry that most of smalls, wired belt conveyer are spilt fall on slideway and drawn by slideway.The patent emphasis be to
Go out for the processing method before the high underground dehydration of water content, emphasis is three kinds of devices with the use of after effectively reducing
The treating capacity of continuous coal slurry, is worth using for reference with the processing mode of integralization zero.But technique is relatively cumbersome, especially Core equipment guipure is defeated
Larger problem will be faced for the support strength of large-scale mine its mesh conveyer belt by sending machine.
Prior art is summarized, it is seen that:Vibration separation dewatering screen is relatively conventional applied to underground coal and water separate, in underground
Space is limited, large-scale dewatering screen can not be used on the premise of, it is necessary to solve high-moisture, ten million ton large-scale mine coal stream for sieve
The impulsive force problem that plate is caused;The dewatering system of design can be adjusted according to coal flow and water content size;And running into
In the case of the vibratory sieve failure directly contacted with coal stream, dewatering system can not delay normal production, and original system can be transported normally
OK.
The content of the invention
The problem of purpose of the present invention is exactly dehydrated difficult for large-scale mine underground, it is simple based on vibrating-dewatering screen process
Advantage, and provide and a kind of be suitable to ten million ton, the high down-hole water coal dewatering system of water content.
The present invention devises the twice vibratory sieve dehydration short route process arranged up and down, including:Positioned at the main fortune belt of coal stream
Throw the damping buffering distribution device, the large-scale drainage vibratory sieve positioned at damping buffering distribution device delivery end bottom, position in coal direction
The large-scale feed dewatering screen of lower part of screen, the buffering below the oversize outlet of large-scale drainage vibratory sieve are vibrated in large-scale drainage
Chute, positioned at large-scale feed dewatering screen oversize outlet below buffer slide chuteAnd belt support frame, base support, horizontal stroke
Roof beam structure.The system of the present invention can be installed according to underground working designed, designed, implemented by the technology of the present invention, can be prevented water coal
Caused belt-conveying, shaft coal pocket draw storehouse accident, the production accident of hoist links, excellent with the low, small volume of operation cost etc.
Point.
The technical measures of the present invention are as follows:
The present invention be suitable to ten million ton, the high down-hole water coal dewatering system of water content includes being located at the main fortune belt of coal stream and throws
The damping buffering distribution device in coal direction, the large-scale drainage vibratory sieve positioned at damping buffering distribution device delivery end bottom, it is located at
The large-scale feed dewatering screen of large-scale drainage vibration lower part of screen, the buffering below the oversize outlet of large-scale drainage vibratory sieve are slipped
Groove, positioned at large-scale feed dewatering screen oversize outlet below buffer slide chuteAnd base support and first and second cross beam frame,
Support;The large-scale drainage vibratory sieve, large-scale feed dewatering screen pass through spring bracing group respectively, spring bracing groupIt is fixed
It is supported on first crossbeam frame;The damping buffering distribution device is arranged on second cross beam frame by steel-frame structure support;Institute
State and be fixed between first crossbeam frame and second cross beam frame by support;The angle of inclination of the large-scale drainage vibratory sieve passes through
Spring bracing groupMispairing highly set and be adjusted.
Heretofore described damping buffering cloth dress is adjusted with the main fortune belt height straggly of coal stream according to coal uninterrupted
Section;The large-scale drainage vibratory sieve angle of inclination passes through spring bracing group according to water sizeMispairing progress is highly set
Regulation;The oversize outlet of the large-scale drainage vibratory sieve and buffer slide chuteImport is connected, buffer slide chuteOutlet be located at coal
Flow above belt elevator;The buffer slide chute below the outlet of large-scale feed dewatering screen oversizeOutlet be located at coal stream
Above belt elevator;I.e. described large-scale drainage vibratory sieve oversize directly passes through buffer slide chuteInto coal stream belt elevator, together
Sample, the oversize positioned at large-scale feed dewatering screen directly passes through buffer slide chuteIn case of the system failure does not influence then coal stream former
Systematic operation;Water is more in screenings and coal grain is few, and the supporting large-scale feed dewatering screen carries out second dehydration, after dehydration
Water quality is higher.
More specifically:Because of the limitation of underground working condition, the present invention relies on existing space, civil engineering facility etc. to technical equipment
It is designed, installs.The present invention transports the problem of belt is highly relatively low for original coal stream is main, designs belt support frame back-up belt
Height is to meet the dewatering system requirements of installation space that designs of the present invention;The base support of design is to support a whole set of dehydration system
System;First crossbeam frame is set at base support certain altitude, and first crossbeam frame fixes spring bracing group respectively/For supporting
Large-scale drainage vibratory sieve and large-scale feed dewatering screen;Second cross beam frame is set to be used for supporting at first crossbeam frame certain altitude
Damping buffering distribution device;It is supported between described two cross beam frames by support.
Damping buffering distribution device of the present invention is steel frame construction, and main purpose is to accept the main fortune belt of coal stream to dish out
A large amount of coal streams, realize material impact material, material abrasive material, the function such as deceleration buffer cloth;It is big by gravity flow direction after coal stream is filled up
Type drainage vibratory sieve, now large-scale drainage vibratory sieve is the part for bearing a large amount of coal streams of dishing out, it is to avoid a large amount of coal streams with
The direct contact of large-scale drainage vibratory sieve, so that efficiently solve underground vibrating sieve is dehydrated difficult ask for high throughput coal stream
Topic.Large-scale drainage vibratory sieve of the present invention is is in tilted layout and tilt adjustable, and main purpose is to prevent that coal stream from overstocking sieve
Screen cloth is caused to block and load-bearing pressure destruction sieve plate in face.The dehydration object of the present invention is high-moisture coal stream, therefore is initially set
Meter angle of inclination compared with I met under water impact more water screen out thoroughly drop down onto bottom large-scale feed dewatering screen carry out
Second dehydration, the water now sieved in upper coal greatly reduces the requirement for meeting belt lifting to water;But if exploiting field water subtracts
Few, causing sieve material to greatly reduce causes major part to be accumulated to compass screen surface, is unfavorable for the operation of vibratory sieve, now angle of inclination
Can suitably it increase.Meanwhile, the large-scale drainage vibratory sieve oversize can fall to belt elevator by buffer slide chute, once practice
During vibrating motor damage, large-scale drainage vibratory sieve now need not dismantle may act as coal it is fluent fall plate, original coal stream operating mode
System can normally be run, therefore possessed drainage and chute and mutually used function.
Large-scale feed dewatering screen main purpose of the present invention is second dehydration, because the design of large-scale drainage vibratory sieve is saturating
Water is greatly unsatisfactory for the lifting requirement of conveyer belt in sieve material, therefore to coordinate the smooth implementation of global design, road dehydration
Process must be implemented, and water quality is higher after second dehydration, can use or be directly entered underground sedimentation basin as underground recirculated water.
Rely on the present invention specific dewatering process be:Do not change the main fortune belt conveyer head tail of raw coal stream, supported by belt
The main fortune belt of the high coal stream of frame frame, a large amount of coals that hydromining working face is produced flow through the main fortune belt of coal stream and leave damping buffering cloth dress
Put, coal to flow through and fall on large-scale drainage vibratory sieve by gravity, fluid drag after buffering, and large-scale drainage vibratory sieve oversize is by slow
Rush chute and fall to the direct gug of belt elevator, large-scale drainage vibratory sieve screenings is screened out thoroughly drops down onto large-scale feed dewatering screen, greatly
Type is fed dewatering screen oversize and falls to the direct gug of belt elevator by buffer slide chute, and large-scale feed dewatering screen screenings is by slow
Chute is rushed to use as recirculated water into shaft sump.
The large-scale dewatering system of water coal that the present invention is designed is short route process, and the starting point is to enable to down-hole treatment amount
Greatly, the high coal stream of water content effectively carries well, only passes through the design and ingehious design, the combination of vibratory sieve of buffer unit.
The beneficial outcomes of the present invention are as follows:
(1)The technology of the present invention implements that instant effect, cost of investment are low, is particularly suitable for the mine water of high-moisture, ten million ton of mine
Coal dewatering system.
(2)The damping buffering distribution device of design can high degree alleviate impact of the coal stream to vibration sieve plate, for place
The big mine coal stream dehydration of reason amount can be promoted the use of.
(3)Entirely autonomous research and development of large-scale drainage vibratory sieve and installation process is according to process conditions tilt adjustable, were both examined
Consider and met the sieve plate setting angle that more water is sieved thoroughly, it is also considered that material is compacted the established angle of compass screen surface when avoiding low water content
Degree, has realistic meaning for field practice.
(4)For equipment caused by vibrating motor failure can not working condition, design large-scale drainage vibratory sieve oversize
Material is directly dropped belt elevator by buffer slide chute, and the normal operation of coal stream induction system is not influenceed.
(5)The present invention is high-moisture coal stream because of process object, and the large-scale drainage vibratory sieve screenings designed is mostly
Water and it is mixed into a small amount of coal grain, it is therefore necessary to which the large-scale feed dewatering screen of Aided design carries out second dehydration, equipment autonomously research and development and two
Preferably, the water under sieve can do mine water recycling to secondary dehydrating effect.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is Fig. 1 A-A profiles.
Sequence number in figure:1st, belt support frame;2nd, the main fortune belt of coal stream;3rd, damping buffering distribution device;4th, second cross beam frame;
5th, large-scale drainage vibratory sieve;6th, large-scale feed dewatering screen;7th, first crossbeam frame;8th, base support;9th, coal stream belt elevator;10、
Buffer slide chute;11st, buffer slide chute;12nd, support;13rd, spring bracing group;14th, spring bracing group。
Embodiment
The present invention is below with reference to embodiment(Accompanying drawing)It is further described:
As shown in Figure 1 and Figure 2, it is of the invention be suitable to ten million ton, the high down-hole water coal dewatering system of water content be located at coal stream
Main fortune belt 2 throws the damping buffering distribution device 3 in coal direction, the large-scale filter positioned at the delivery end bottom of damping buffering distribution device 3
Water vibratory sieve 5, the large-scale feed dewatering screen 6 positioned at the large-scale bottom of drainage vibratory sieve 5, on the sieve of large-scale drainage vibratory sieve 5
Buffer slide chute below thing outlet10th, the buffer slide chute below the outlet of the large-scale oversize of feed dewatering screen 611 and bottom
The cross beam frame 7 of seat support 8 and first and second, 4, support 12;The large-scale drainage vibratory sieve 5, large-scale feed dewatering screen 6 pass through respectively
Spring bracing group13rd, spring bracing group14 are fixedly supported on first crossbeam frame 7;The damping buffering distribution device 3
Second cross beam frame 4 is arranged on by steel-frame structure support;Pass through support between the first crossbeam frame 7 and second cross beam frame 4
12 are fixed;The angle of inclination of the large-scale drainage vibratory sieve 5 passes through spring bracing group13 mispairing highly set into
Row regulation;The large-scale drainage vibratory sieve 5, the The concrete specification of large-scale feed dewatering screen 6 are to allow space and coal according to underground
Uninterrupted voluntarily determines design, for high ten million ton of mine its sieve plate specification of water beyond being used for that in the market is reported
Underground vibrating sieves specification.
Heretofore described damping buffering cloth fills 3 and carried out with the main fortune height straggly of belt 2 of coal stream according to coal uninterrupted
Regulation, can impact of the high degree alleviation coal stream to vibration sieve plate;The large-scale angle of inclination of drainage vibratory sieve 5 is according to water
Size passes through spring bracing group13 mispairing highly sets and is adjusted;The oversize of the large-scale drainage vibratory sieve 5 goes out
Mouth and buffer slide chute10 imports are connected, buffer slide chute10 outlet is located at the top of coal stream belt elevator 9;It is described be located at it is large-scale
It is fed the buffer slide chute below the outlet of the oversize of dewatering screen 611 outlet is located at the top of coal stream belt elevator 9;Both consider full
The sieve plate setting angle that the more water of foot is sieved thoroughly, it is also considered that avoid material during low water content from being compacted the setting angle of compass screen surface;It is right
In equipment caused by vibrating motor failure can not working condition, design large-scale drainage vibratory sieve on-the-sieve material and directly pass through buffering
Chute10 are dropped coal stream belt elevator 9, and the normal operation of coal stream induction system is not influenceed;The large-scale feed dewatering screen of Aided design
6 carry out second dehydration, good for the large-scale screenings second dehydration effect of feed dewatering screen 6.
Belt elevator is flowed through present invention is generally directed to the coal that down-hole treatment amount is big, water content is high and carries the problem of well is difficult, is only led to
Crossing the design of buffer unit and the ingehious design of vibratory sieve, combination can effectively solve;Relative to routine techniques report according to
Realize that the dewatering process that underground coal water is completely separated is completely different by market device combination;The present invention design connotation can widen in
Other similar underground coal mine water process.
Technical equipment concrete structure parameter of the present invention, structure type, combination can be according to on-site actual situations
It is designed, relies on the technical equipment of all different sizes that design philosophy of the present invention is carried out and combinations thereof mode and belong to this
Inventive technique category.
Claims (2)
1. a kind of be suitable to ten million ton, the high down-hole water coal dewatering system of water content, it is characterised in that:It includes being located at coal
Flow main fortune belt(2)Throw the damping buffering distribution device in coal direction(3), positioned at damping buffering distribution device(3)Delivery end bottom
Large-scale drainage vibratory sieve(5), positioned at large-scale drainage vibratory sieve(5)The large-scale feed dewatering screen of bottom(6), positioned at large-scale drainage
Vibratory sieve(5)Oversize outlet below buffer slide chute(10), positioned at large-scale feed dewatering screen(6)Oversize outlet lower section
Buffer slide chute(11)And base support(8)With first and second cross beam frame(7、4), support(12);The large-scale drainage vibration
Sieve(5), large-scale feed dewatering screen(6)Pass through spring bracing group respectively(13), spring bracing group(14)It is fixedly supported on
First crossbeam frame(7)On;The damping buffering distribution device(3)Second cross beam frame is arranged on by steel-frame structure support(4);
The first crossbeam frame(7)With second cross beam frame(4)Between pass through support(12)It is fixed.
2. according to claim 1 be suitable to ten million ton, the high down-hole water coal dewatering system of water content, its feature exists
In:The damping buffering cloth dress(3)With the main fortune belt of coal stream(2)Height straggly is adjusted according to coal uninterrupted;It is described
Large-scale drainage vibratory sieve(5)Angle of inclination passes through spring bracing group according to water size(13)Mispairing progress is highly set
Regulation;The large-scale drainage vibratory sieve(5)Oversize outlet and buffer slide chute(10)Import is connected, buffer slide chute(10)
Outlet be located at coal stream belt elevator(9)Top;It is described to be located at large-scale feed dewatering screen(6)Buffering below oversize outlet is slipped
Groove(11)Outlet be located at coal stream belt elevator(9)Top.
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CN201710265299.7A CN106943785B (en) | 2017-04-21 | 2017-04-21 | Underground water-coal dewatering system suitable for thousands of tons of mines with extremely high water content |
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CN106345166A (en) * | 2016-10-10 | 2017-01-25 | 深圳市城道通环保科技有限公司 | Sewage treatment device and treatment method thereof |
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WO2011161423A2 (en) * | 2010-06-25 | 2011-12-29 | Marshall Graham Bailey | Screening methods and apparatus |
CN101920133A (en) * | 2010-07-13 | 2010-12-22 | 陆信 | Self-synchronizing vertical screening dewatering screen |
CN101987325A (en) * | 2010-08-27 | 2011-03-23 | 天津百利阳光环保设备有限公司 | Comprehensive sorting and pretreating integrated equipment of kitchen garbage |
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