CN108296009A - Coal deep working method and coal processing method - Google Patents
Coal deep working method and coal processing method Download PDFInfo
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- CN108296009A CN108296009A CN201810082437.2A CN201810082437A CN108296009A CN 108296009 A CN108296009 A CN 108296009A CN 201810082437 A CN201810082437 A CN 201810082437A CN 108296009 A CN108296009 A CN 108296009A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
Abstract
The present invention relates to Coal dressing technology field, a kind of coal deep working method and coal processing method are provided.The coal deep working method includes that raw coal is carried out sieve classification through sieve, obtains thick oversize and thick screenings；Thick oversize is sorted through jigging machine obtains coal and the first spoil in the first cleaned coal, first, first cleaned coal is divided into block cleaned coal and fine cleaned coal, and coal and the first spoil respectively enter block cleaned coal storehouse, fine cleaned coal storehouse, middle coal bunker and waste bin and store in a warehouse in block cleaned coal, fine cleaned coal, first；Thick screenings obtains coal and the second spoil in the second cleaned coal, second through three-product cyclone washing, and the second cleaned coal is incorporated to fine cleaned coal storehouse and stores in a warehouse, and coal is incorporated to middle coal bunker and stores in a warehouse in second, and the second spoil is incorporated to waste bin and stores in a warehouse.The kind of marketable coal is significantly increased, product stability is high, is conducive to the economic benefit of enterprise.In addition, the coal processing method its can to raw coal carry out deep processing, to improve the kind of marketable coal.
Description
Technical field
The present invention relates to Coal dressing technology fields, at a kind of coal deep working method and coal
Reason method.
Background technology
Coal dressing refers to improve coal quality or coal utilization value to obtain the marketable coal or coal system of suitable different needs
Product, the processing work that raw coal is carried out using various methods.Wherein, Coal dressing includes the screening to raw coal, but the prior art
In it is simple to the sieving technology of raw coal, cause coal varitation larger, spoil content is more, and stability is poor.Coal price drops many times,
The profit of enterprise is set to decline, credit worthiness reduces.
Invention content
The purpose of the present invention is to provide a kind of coal deep working methods, can increase marketable coal kind, improve product
Stability improves Business Economic Benefit.
Another object of the present invention is to provide a kind of coal processing methods, can carry out deep processing to raw coal, with
The kind of marketable coal is improved, product stability is improved.
What the embodiment of the present invention was realized in：
A kind of coal deep working method comprising raw coal is subjected to sieve classification through sieve, obtains thick oversize and scalping
Lower object；Thick oversize is sorted through jigging machine obtains coal and the first spoil in the first cleaned coal, first, and the first cleaned coal is divided into block cleaned coal
And fine cleaned coal, coal and the first spoil respectively enter block cleaned coal storehouse, fine cleaned coal storehouse, middle coal bunker and cash in block cleaned coal, fine cleaned coal, first
It stores in a warehouse in stone storehouse；Thick screenings obtains coal and the second spoil in the second cleaned coal, second, the second essence through three-product cyclone washing
Coal is incorporated to fine cleaned coal storehouse and stores in a warehouse, and coal is incorporated to middle coal bunker and stores in a warehouse in second, and the second spoil is incorporated to waste bin and stores in a warehouse.
Optionally, in a preferred embodiment of the invention, the particle size of above-mentioned sieve is 10-30mm, preferably 10-
15mm, more preferably 11-14mm.
Optionally, in a preferred embodiment of the invention, above-mentioned first cleaned coal is divided into block cleaned coal and fine cleaned coal includes：It will
It is respectively 30-150mm, 0.5- that the oversize that first cleaned coal is obtained through the first sieve bend, which continues on through cleaned coal dewatering screen and sub-elects grain size,
The cleaned coal of 30mm and 0-0.5mm, wherein the cleaned coal that grain size is 30-150mm is directly entered block cleaned coal storehouse as block cleaned coal and carries out
Storage；Oversize of the cleaned coal after the first centrifuge dewatering that grain size is 0.5-30mm is incorporated to block cleaned coal storehouse and stores in a warehouse；First
The screenings of centrifuge is sieved through the second sieve bend jointly with the cleaned coal that grain size is 0-0.5mm, on the sieve of the second sieve bend
Object continues the oversize that screening obtains through coal slime high-frequency screen and continues on through coal slime centrifuge screening, the sieve that coal slime centrifuge screening obtains
Upper object enters fine cleaned coal storehouse；The screenings of second sieve bend enters concentration tank jointly with the screenings of coal slime high-frequency screen, via dense
The solid that contracting tank obtains enters filter press and carries out press filtration, and filter residue is stored in a warehouse between entering coal slime.
Optionally, in a preferred embodiment of the invention, the filtrate of above-mentioned filter press is back to concentration tank；Coal slime centrifuge
Screenings be back to coal slime high-frequency screen.
Optionally, in a preferred embodiment of the invention, the sieve that above-mentioned second cleaned coal obtains after head coal sculpingscreen is dehydrated
Upper object is incorporated to fine cleaned coal storehouse and stores in a warehouse；Coal obtains oversize in after the dehydration of coal sculping screen in second, is directly incorporated into middle coal bunker
It stores in a warehouse；Second spoil obtains oversize after Coal Stone Separation is dehydrated, and is directly incorporated into waste bin and stores in a warehouse.
Optionally, in a preferred embodiment of the invention, the oversize of above-mentioned head coal sculpingscreen is incorporated to the progress of fine cleaned coal storehouse
Further include to the oversize of head coal sculpingscreen through the second centrifuge dewatering before storage, the oversize that the second centrifuge is obtained
Fine cleaned coal storehouse is directly incorporated into store in a warehouse.
Optionally, in a preferred embodiment of the invention, under the sieve of the screenings of above-mentioned head coal sculpingscreen, middle coal sculping screen
The screenings of object and Coal Stone Separation enters in coal Jie's tempering tank jointly.
Optionally, in a preferred embodiment of the invention, dilute Jie for being flowed out from the screenings of above-mentioned head coal sculpingscreen, from
Dilute Jie flowed out in the screenings of middle coal sculping screen and dilute Jie flowed out from the screenings of Coal Stone Separation are respectively through first
Magnetic separator, the second magnetic separator and third magnetic separator are sieved, and the oversize of magnetic separator is incorporated to coal Jie's tempering tank.
Optionally, in a preferred embodiment of the invention, the screenings of above-mentioned first magnetic separator is sieved through third sieve bend,
The oversize of third sieve bend through coarse slime recovery sieve continues to sieve, coarse slime recovery sieve obtain oversize through third from
Oversize is incorporated to fine cleaned coal storehouse after scheming centrifugal dehydration.
A kind of coal processing method comprising above-mentioned coal deep working method.
The advantageous effect of the embodiment of the present invention is：
The embodiment of the present invention is sieved for the first time by sieve, to obtain thick oversize and thick screenings, thick oversize and
Thick screenings is further sieved respectively and storage of classifying.Thick oversize is sorted through jigging machine, and jigging machine passes through jigging
Process is sieved thick oversize, obtains coal and the first spoil in the first cleaned coal, first, and screening effect is good, while will also
First cleaned coal sieves to form block cleaned coal and fine cleaned coal, will wherein can be simultaneously likewise, by the further subdivision to thick screenings
The part coal for entering fine cleaned coal storehouse, middle coal bunker and waste bin is sieved and is respectively incorporated into above-mentioned fine cleaned coal storehouse, middle coal bunker and cash
It stores in a warehouse in stone storehouse.The kind of marketable coal is significantly increased, and different marketable coals is stored in a warehouse respectively, product stability
Height is conducive to the economic benefit of enterprise.
In addition, the embodiment of the present invention additionally provides a kind of coal processing method comprising above-mentioned coal deep working method.Its
Deep processing can be carried out to raw coal, to improve the kind of marketable coal, improve product stability.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the process flow chart of coal deep working method provided in an embodiment of the present invention.
Icon：100- raw coal；The thick oversizes of 110-；The first cleaned coal of 111-；Coal in 112- first；The first spoils of 113-；
114- block cleaned coals；115- fine cleaned coals；The thick screenings of 120-；The second cleaned coal of 121-；Coal in 122- second；The second spoils of 123-；
201- sieves；202- jigging machines；The first sieve bends of 203-；204- cleaned coal dewatering screens；The first centrifuges of 205-；The second arcs of 206-
Sieve；207- coal slime high-frequency screens；208- coal slime centrifuges；209- concentration tanks；210- filter presses；301- three-product cyclones；302-
Head coal sculpingscreen；Coal sculping screen in 303-；304- Coal Stone Separations；The second centrifuges of 305-；The first magnetic separators of 306-；307-
Two magnetic separators；308- third magnetic separators；309- third sieve bends；310- coarse slime recoveries sieve；311- third centrifuges；312-
Four sieve bends；The 5th sieve bends of 313-；Drying slime sieves in 314-；401- block cleaned coals storehouse；402- fine cleaned coals storehouse；403- coal slimes
Between；Coal bunker in 404-；405- waste bins；406- coal Jie's tempering tanks.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
The detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed sheet below
The range of invention, but it is merely representative of the selected embodiment of the present invention.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without creative efforts, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.In description of the invention
In, it should be noted that term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as instruction or dark
Show relative importance.
Embodiment
The coal deep working method of the embodiment of the present invention and coal processing method are specifically described below.
Fig. 1 is please referred to, the present embodiment provides a kind of coal deep working methods comprising carry out raw coal 100 through sieve 201
Sieve classification obtains thick oversize 110 and thick screenings 120.Then to thick oversize 110 and thick screenings 120 into advancing one
The subdivision of step, to obtain more marketable coal kinds.The particle size of sieve 201 be 10-30mm, preferably 10-15mm, it is more excellent
It is selected as 11-14mm, most preferably 13mm.Specifically include following steps：
One, to the screening of thick oversize 110
Thick oversize 110 is sorted through jigging machine 202 obtains coal 112 and the first spoil 113 in the first cleaned coal 111, first,
In, the first cleaned coal 111 is divided into block cleaned coal 114 and fine cleaned coal 115, block cleaned coal 114, fine cleaned coal 115, first through further screening
Middle coal 112 and the first spoil 113 respectively enter block cleaned coal storehouse 401, fine cleaned coal storehouse 402, middle coal bunker 404 and waste bin 405 and carry out
Storage.It specifically includes：
(1) thick oversize 110 is sorted through jigging machine 202 obtains coal 112 and the first spoil in the first cleaned coal 111, first
113。
Jigging machine 202 refers to the equipment for realizing jigging process.Material is mainly in the variable velocity media stream of vertical lift, by close
The process that degree difference is sorted.Difference of the material in granularity and in shape, has a certain impact to ore dressing result.Institute when jigging
Medium can be water, can also be air.Since raw coal 100 carries out sieve classification in the sieve 201 through 13mm, it is impossible to
It is kept completely separate, therefore, it is 13mm coals below that still can have grain size in thick oversize 110 (φ 13-150), is only contained
It measures less.In the present embodiment, the coal utilization jigging machine 202 of thick oversize 110 (φ 13-150) is sieved, and then is obtained
Coal 112 and the first spoil 113 in first cleaned coal 111, first.
(2) first cleaned coal 111 are divided into block cleaned coal 114 and fine cleaned coal 115, block cleaned coal 114 and end essence through further screening
Coal 115 respectively enters block cleaned coal storehouse 401 and fine cleaned coal storehouse 402 and stores in a warehouse.
The oversize that first cleaned coal 111 is obtained through the first sieve bend 203 is continued on through into cleaned coal dewatering screen 204 and sub-elects grain size
The respectively cleaned coal of 30-150mm, 0.5-30mm and 0-0.5mm, wherein grain size is the cleaned coal of 30-150mm as block cleaned coal
114, which are directly entered block cleaned coal storehouse 401, stores in a warehouse；Grain size is the cleaned coal of 0.5-30mm through 205 dewatered sieve of the first centrifuge
Upper object is incorporated to block cleaned coal storehouse 401 and stores in a warehouse；The screenings of first centrifuge 205 passes through jointly with the cleaned coal that grain size is 0-0.5mm
Second sieve bend 206 is sieved, and the oversize of the second sieve bend 206 continues through coal slime high-frequency screen 207 on the sieve that screening obtains
Object continues on through the screening of coal slime centrifuge 208, and the oversize that the screening of coal slime centrifuge 208 obtains enters fine cleaned coal storehouse 402；Second arc
The screenings of shape sieve 206 enters concentration tank 209 jointly with the screenings of coal slime high-frequency screen 207, consolidates via what concentration tank 209 obtained
Body enters filter press 210 and carries out press filtration, and filter residue enters between coal slime 403 and stores in a warehouse.
The filtrate of filter press 210 is back to concentration tank 209.The screenings of coal slime centrifuge 208 is back to coal slime high-frequency screen
207。
Coal 112 and the first spoil 113 respectively enter middle coal bunker 404 in (3) first and waste bin 405 is stored in a warehouse.
In the present embodiment, by carrying out fine screening to thick oversize 110 and storage of classifying, thick oversize 110 is not only
It is only subdivided into coal 112 and the first spoil 113 in the first cleaned coal 111, first, while the first cleaned coal 111 is further subdivided into block
Cleaned coal 114 and fine cleaned coal 115 increase the kind of marketable coal, and different marketable coals is stored in a warehouse respectively, product stability
Height is conducive to the economic benefit of enterprise.
Two, to the screening of thick screenings 120
Thick screenings 120 obtains coal 122 and the second spoil in the second cleaned coal 121, second through 301 washing of three-product cyclone
123, the second cleaned coal 121 is incorporated to fine cleaned coal storehouse 402 and stores in a warehouse, and coal 122 is incorporated to middle coal bunker 404 and stores in a warehouse in second, and second
Spoil 123 is incorporated to waste bin 405 and stores in a warehouse.Specifically,
The oversize that (1) second cleaned coal 121 obtains after the dehydration of head coal sculpingscreen 302, is incorporated to fine cleaned coal storehouse 402 into firm position
Storage.
Specifically, the second cleaned coal 121 that thick screenings 120 is obtained through 301 washing of three-product cyclone, first through the 4th arc
312 screening of sieve, the oversize of the 4th sieve bend 312 recycle head coal sculpingscreen 302 to be dehydrated, then recycle the second centrifuge
305 carry out second dehydration, and the oversize that the second centrifuge 305 obtains is directly incorporated into fine cleaned coal storehouse 402 and is stored in a warehouse.Cleaned coal is de-
The screenings of Jie's sieve 302 enters in coal Jie tempering tank 406.
Dilute Jie flowed out from the screenings of head coal sculpingscreen 302 sieves through the first magnetic separator 306, the first magnetic separator
306 oversize is incorporated in coal Jie tempering tank 406.
The screenings of first magnetic separator 306 is sieved through third sieve bend 309, and the oversize of third sieve bend 309 is through cleaned coal
Mud recycling sieve 310 continues to sieve, and the oversize that coarse slime recovery sieve 310 obtains is after 311 centrifugal dehydration of third centrifuge
Oversize is incorporated to fine cleaned coal storehouse 402.
Coal 122 obtains oversize in after coal sculping screen 303 is dehydrated in (2) second, is directly incorporated into middle coal bunker 404 into firm position
Storage；The screenings of middle coal sculping screen 303 enters in coal Jie tempering tank 406, is therefrom flowed out in the screenings of coal sculping screen 303 dilute
Jie is sieved through the second magnetic separator 307, and the oversize of the second magnetic separator 307 is incorporated to coal Jie tempering tank 406, the second magnetic separator
307 screenings is sieved through the 5th sieve bend 313, and drying slime sieve 314 carries out in the oversize warp of the 5th sieve bend 313
Screening, coal bunker 404 is stored in a warehouse in the oversize entrance of middle drying slime sieve 314；The screenings of 5th sieve bend 313 and in
The screenings of drying slime sieve 314 enters the circulatory system, and the top for being recycled to concentration tank 209 enters concentration tank 209, concentrated
Tank 209 and the effect of filter press 210 form coal slime.
(3) second spoils 123 obtain oversize after the dehydration of Coal Stone Separation 304, are directly incorporated into waste bin 405 into firm position
Storage.The screenings that Coal Stone Separation 304 obtains enters in coal Jie tempering tank 406, is flowed out from the screenings of Coal Stone Separation 304
Dilute Jie sieved through third magnetic separator 308, the oversize and screenings of magnetic separator are incorporated to coal Jie tempering tank 406.
Substance in coal Jie tempering tank 406, which may return in three-product cyclone 301, to carry out repeating recycling, further
Promote the separation rate of product.
In the present embodiment, by the further subdivision to thick screenings 120, can will wherein be incorporated to fine cleaned coal storehouse 402, in
The part coal of coal bunker 404 and waste bin 405 is sieved and is respectively incorporated into above-mentioned fine cleaned coal storehouse 402, middle coal bunker 404 and spoil
It stores in a warehouse in storehouse 405.By carrying out de-mediated to coal 122 in the second cleaned coal 121, second and the second spoil 123 respectively, effectively reduce
The content that coal in coal is situated between is conducive to the quality for promoting coal product, while will partly be incorporated to above-mentioned end in thick screenings 120
Cleaned coal storehouse 402, middle coal bunker 404 and waste bin 405 are stored in a warehouse, and are conducive to promote the marketable coal obtained after raw coal 100 is processed
Amount, and then the economic benefit of enterprise.
In conclusion the embodiment of the present invention is sieved for the first time by sieve 201, to obtain thick oversize 110 and scalping
Lower object 120, thick oversize 110 and thick screenings 120 are further sieved respectively and storage of classifying.Thick oversize 110 passes through
Jigging machine 202 sorts, and jigging machine 202 is sieved thick oversize 110 by the process of jigging, the first cleaned coal 111 of acquisition,
Coal 112 and the first spoil 113 in first, screening effect is good, while the screening of the first cleaned coal 111 is also formed block cleaned coal 114 and end
Cleaned coal 115 can will wherein be incorporated to fine cleaned coal storehouse 402, middle coal bunker likewise, by the further subdivision to thick screenings 120
404 and the part coal of waste bin 405 sieved and be respectively incorporated into above-mentioned fine cleaned coal storehouse 402, middle coal bunker 404 and waste bin
405 store in a warehouse.The kind of marketable coal is significantly increased, and different marketable coals is stored in a warehouse respectively, product stability
Height is conducive to the economic benefit of enterprise.
In addition, the embodiment of the present invention additionally provides a kind of coal processing method comprising above-mentioned coal deep working method.Its
Deep processing can be carried out to raw coal 100, to improve the kind of marketable coal, improve product stability.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of coal deep working method, which is characterized in that it includes that raw coal is carried out sieve classification through sieve, is obtained in scalping
Object and thick screenings；
The thick oversize sorts through jigging machine and obtains coal and the first spoil in the first cleaned coal, first, and first cleaned coal is divided
For block cleaned coal and fine cleaned coal, coal and first spoil respectively enter block essence in the block cleaned coal, the fine cleaned coal, described first
Coal bunker, fine cleaned coal storehouse, middle coal bunker and waste bin are stored in a warehouse；
The thick screenings obtains coal and the second spoil in the second cleaned coal, second, second essence through three-product cyclone washing
Coal is incorporated to the fine cleaned coal storehouse and stores in a warehouse, and coal is incorporated to the middle coal bunker and stores in a warehouse in described second, and second spoil is simultaneously
Enter waste bin to store in a warehouse.
2. coal deep working method according to claim 1, which is characterized in that the particle size of the sieve is 10-
30mm, preferably 10-15mm, more preferably 11-14mm.
3. coal deep working method according to claim 1, which is characterized in that first cleaned coal be divided into block cleaned coal and
Fine cleaned coal includes：
It is respectively 30- that the oversize that first cleaned coal is obtained through the first sieve bend, which is continued on through cleaned coal dewatering screen to sub-elect grain size,
The cleaned coal of 150mm, 0.5-30mm and 0-0.5mm,
Wherein, the cleaned coal that grain size is 30-150mm is directly entered the block cleaned coal storehouse as the block cleaned coal and stores in a warehouse；
Oversize of the cleaned coal after the first centrifuge dewatering that grain size is 0.5-30mm is incorporated to the block cleaned coal storehouse and stores in a warehouse；
The screenings of first centrifuge is sieved through the second sieve bend jointly with the cleaned coal that grain size is 0-0.5mm, described
The oversize of second sieve bend continues the oversize that screening obtains through coal slime high-frequency screen and continues on through coal slime centrifuge screening, the coal
The oversize that mud centrifugal sieve is separately won enters the fine cleaned coal storehouse；
The screenings of second sieve bend and the screenings of the coal slime high-frequency screen enter concentration tank jointly, via the concentration
The solid that tank obtains enters filter press and carries out press filtration, and filter residue is stored in a warehouse between entering coal slime.
4. coal deep working method according to claim 3, which is characterized in that the filtrate of the filter press is back to described
Concentration tank；The screenings of the coal slime centrifuge is back to the coal slime high-frequency screen.
5. coal deep working method according to claim 1, which is characterized in that second cleaned coal is de- through head coal sculpingscreen
The oversize obtained after water is incorporated to the fine cleaned coal storehouse and stores in a warehouse；
Coal obtains oversize in after the dehydration of coal sculping screen in described second, is directly incorporated into the middle coal bunker and stores in a warehouse；
Second spoil obtains oversize after Coal Stone Separation is dehydrated, and is directly incorporated into the waste bin and stores in a warehouse.
6. coal deep working method according to claim 5, which is characterized in that the oversize of the head coal sculpingscreen is incorporated to
Further include to the oversize of the head coal sculpingscreen through the second centrifuge dewatering before the fine cleaned coal storehouse is stored in a warehouse, by institute
The oversize for stating the acquisition of the second centrifuge is directly incorporated into the fine cleaned coal storehouse and stores in a warehouse.
7. coal deep working method according to claim 5, which is characterized in that the screenings of the head coal sculpingscreen, institute
The screenings of the screenings and the Coal Stone Separation of stating coal sculping screen enters in coal Jie's tempering tank jointly.
8. coal deep working method according to claim 7, which is characterized in that from the screenings of the head coal sculpingscreen
Dilute Jie of outflow, dilute Jie for being flowed out from the screenings of the middle coal sculping screen and from the screenings of the Coal Stone Separation
Dilute Jie of outflow sieves through the first magnetic separator, the second magnetic separator and third magnetic separator respectively, and the oversize of magnetic separator is simultaneously
Enter coal Jie tempering tank.
9. coal deep working method according to claim 8, which is characterized in that the screenings of first magnetic separator is through
Three sieve bends sieve, and the oversize of the third sieve bend continues to sieve through coarse slime recovery sieve, the coarse slime recovery
It sieves the oversize obtained oversize after the dehydration of third centrifuge and is incorporated to fine cleaned coal storehouse.
10. a kind of coal processing method, which is characterized in that it includes such as claim 1-9 any one of them coal deep processings
Method.
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| CN110510413A (en) * | 2019-09-20 | 2019-11-29 | 中煤科工集团武汉设计研究院有限公司 | A kind of pipeline coarse granule coal slurry device and its delivery method |
| CN112852515A (en) * | 2020-12-25 | 2021-05-28 | 陕西永明煤矿有限公司 | Coal treatment method and system |
| CN113210125A (en) * | 2021-05-17 | 2021-08-06 | 鄂托克旗建元洗煤有限责任公司 | Method and system for partial middling heavy medium rewashing |
| CN113908975A (en) * | 2021-09-09 | 2022-01-11 | 华北科技学院(中国煤矿安全技术培训中心) | Dry-wet combined separation method for power coal |
| CN115069545A (en) * | 2022-05-27 | 2022-09-20 | 北京中煤阳光矿业技术有限公司 | Lump clean coal dressing system and coal dressing method |
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