CN106140455A - A kind of coal preparation plant's end fault continuous coal separation aid system and method - Google Patents
A kind of coal preparation plant's end fault continuous coal separation aid system and method Download PDFInfo
- Publication number
- CN106140455A CN106140455A CN201610495859.3A CN201610495859A CN106140455A CN 106140455 A CN106140455 A CN 106140455A CN 201610495859 A CN201610495859 A CN 201610495859A CN 106140455 A CN106140455 A CN 106140455A
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- Prior art keywords
- coal
- coal preparation
- jie
- drag conveyor
- moistening
- Prior art date
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- 239000003245 coal Substances 0.000 title claims abstract description 119
- 238000002360 preparation method Methods 0.000 title claims abstract description 63
- 238000000926 separation method Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 241001417527 Pempheridae Species 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005406 washing Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
-
- 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
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/005—General arrangement of separating plant, e.g. flow sheets specially adapted for coal
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- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a kind of coal preparation plant's end fault continuous coal separation aid system and method, belong to coal preparation plant's Recognition Applied in Coal Preparation System and method field, be mainly used in dense medium or jigging coal works.Described aid system includes that Jie's bucket is closed in moistening, Jie's pump is closed in moistening, closes the conveying pipe that is situated between, closes Jie's flow valve, accident valve, dispensing valve, feed back pipe, feeding tube, batch mixing delivery pump, material collection bucket, scraper cleaner, many set parallel sorting systems and drag conveyor.When many set parallel sorting system end separation systems break down and need to overhaul, aid system and coal preparation method that the present invention provides can keep other separation systems to run continuously.When end Recognition Applied in Coal Preparation System failure-free operation, it is only necessary to open the accident valve of aid system, close Guan Bi Jie's flow valve and dispensing valve, can realize overlapping running parallel of separation system more.Aid system of the present invention and coal preparation method have the advantage that technical costs is low, simple to operate, reliability is high.
Description
Technical field
The invention belongs to coal preparation plant's Recognition Applied in Coal Preparation System and method field, be specifically related to the continuous coal separation of end fault of a kind of coal preparation plant
Aid system and method.
Background technology
Along with the raising of raw coal cleaning percent, the construction of coal preparation plant is constantly to maximizing and automation development.At present, coking
Coal coal preparation plant Dan Chang enters to wash scale more than 10.0Mt/a, and Coal Preparation Plant list factory enters to wash scale more than 31.0Mt/a, but
Current domestic Large Coal Washing Plant single system sorting link is particularly the separation ring leading equipment of washing with heavy medium cyclone and jigging
The maximum single system of joint is only capable of meeting the production of 3.0Mt/a scale.Large Coal Washing Plant often uses two sets or overlaps separation system more, logical
Cross and adjust the flashboard aperture size of each blanking port of drag conveyor to realize separately feeding of raw coal.But such design and
Real operation can exist a drawback, i.e. end Recognition Applied in Coal Preparation System break down maintenance time, if just maintaining other Recognition Applied in Coal Preparation Systems
Often run, always have salvage stores during scraper plate feed and be delivered to end system endlessly, thus cause end coal separation system
The batch meter of system and heavy medium cyclone, the blocking of jigging machine, thus form major break down.Therefore, in prior art, work as coal separation
The end Recognition Applied in Coal Preparation System of the parallel Recognition Applied in Coal Preparation System of the many sets of factory breaks down when overhauling, and can cause complete plant shutdown.
Summary of the invention
In order to solve the problem that prior art exists, the invention provides a kind of coal preparation plant end fault continuous coal separation auxiliary
System and method, is mainly used in the dense medium overlapping parallel Recognition Applied in Coal Preparation System and jigging coal works, when coal preparation plant's parallel coal separation of many sets more
The end Recognition Applied in Coal Preparation System of system breaks down when overhauling, and other Recognition Applied in Coal Preparation Systems can be properly functioning.
For reaching above-mentioned purpose, present invention employs techniques below scheme:
On the one hand, it is provided that a kind of coal preparation plant's end fault continuous coal separation aid system, Jie's bucket 1, moistening are closed including moistening
Close Jie's pump 2, close be situated between conveying pipe 3, accident valve 5, dispensing valve 6, feed back pipe 7, feeding tube 8, batch mixing delivery pump 9, material
Collecting vessel 10, many set parallel sorting systems and drag conveyor 12;
Described moistening is closed Jie's bucket 1 and is connected with drag conveyor 12 by closing the conveying pipe 3 that is situated between, and moistening is closed to be situated between to be closed by moistening and is situated between
Pump 2 is closed Jie's bucket 1 by moistening and squeezes into drag conveyor 12 head end, and raw coal falls into drag conveyor 12 head end, and moistening is closed and is situated between and raw coal
Parallel sorting system is at most overlapped by drag conveyor 12 uniform distributing after mixing;The feed of drag conveyor 12 end separation system
Funnel is provided with described accident valve 5 and offers feed back mouth, is connected with material collection bucket 10 by feed back pipe 7, thing
Material return duct 7 is controlled by dispensing valve 6, and in material collection bucket 10, material passes through feeding tube 8 dozens to drag conveyor 12 head end.
Further, also include that scraper cleaner 11, described scraper cleaner 11 are arranged on drag conveyor 12 end
At previous system.
Further, described conjunction is situated between to carry and is further provided with branch on pipe 3, and this branch is controlled by flow valve 4
Flow is delivered in the batch meter of drag conveyor 12 end Recognition Applied in Coal Preparation System mix with the remaining raw coal fallen into.
On the other hand, it is provided that the coal preparation method of a kind of coal preparation plant end fault continuous coal separation aid system, including as follows
Step:
1) overlapping parallel Recognition Applied in Coal Preparation System dense medium or jigging when, coal preparation plant's end Recognition Applied in Coal Preparation System breaks down when need to overhaul more, its
He does not stops production by Recognition Applied in Coal Preparation System, closes end system accident valve, opens aid system dispensing valve;
2) moistening is closed to be situated between and is squeezed into drag conveyor 12 head end by conjunction Jie's pump 2 by moistening conjunction Jie's bucket 1 ECDC Jie's conveying pipe 3;
3) raw coal falls into drag conveyor 12 head end, and moistening is closed and is situated between and after raw coal mixing, uniformly divides drag conveyor 12
Material many sets parallel sorting system;
4) material in separation system batch meter is delivered to material collection bucket 10 through feed back pipe 7, and wherein material returns
Flow tube 7 is controlled by dispensing valve 6;
5) in material collection bucket 10 material by batch mixing delivery pump 9 through feeding tube 8 dozens to drag conveyor head end, whole system
Material forms circulation.
Further, fall on scraper plate in end Recognition Applied in Coal Preparation System batch meter when portion of residual raw coal sticks in, open stream
Amount valve 4, controls flow by flow valve 4 and is delivered in end Recognition Applied in Coal Preparation System batch meter mix with the remaining raw coal fallen into
Close.
Further, when separation system failure-free operation, it is only necessary to unlatching accident valve 5, the conjunction of aid system is closed
Jie's flow valve 4 and dispensing valve 6, can realize overlapping running parallel of separation system more.
Beneficial effect: compared with prior art, the present invention provide coal preparation plant's end fault continuous coal separation aid system and
Coal preparation method, by being arranged on accident valve and the dispensing valve of end separation system, effectively avoids at other separation systems
In the case of properly functioning, during scraper plate feed, salvage stores is delivered to that end system causes endlessly end sorting system
The batch meter of system and heavy medium cyclone, the blocking of jigging machine.In the case of the accident valve closing end separation system,
Moistening is closed to be situated between and is squeezed into drag conveyor head end by conjunction Jie's pump by moistening conjunction Jie's bucket, and raw coal falls into drag conveyor head end, moistening
Closing is situated between to mix with raw coal is at most overlapped parallel sorting system by drag conveyor uniform distributing, it is achieved that except end separation system overhauls
Stop production the properly functioning of other parallel Recognition Applied in Coal Preparation Systems outer.
Further, by scraper cleaner 11, cleaning scraper plate and the relatively gathering coal of chain adhesive tape, it is to avoid relatively gathering coal
Enter material collection bucket 10, cause the fault of batch mixing delivery pump 9, overcome the defect of drag conveyor distributing structure.
Further, close Jie's flow valve control flow by aid system and be delivered to the n-th set separation system batch meter,
Mixing with the remaining raw coal fallen into, salvage stores is delivered to material collection bucket by dispensing valve through feed back pipe, and material is received
In collection bucket, material is beaten to drag conveyor head end through feeding tube by batch mixing delivery pump, and in total system, material forms a circulation,
Salvage stores is recycled.
Further, coal preparation plant of the present invention end fault continuous coal separation aid system and coal preparation method have technology
Low cost, the advantage that simple to operate, reliability is high, and be easy under prior art conditions realizing so that the parallel choosing of many sets
The advantage of coal measures system flexible operation is not fully exerted, it is possible to obtain bigger economic benefit.
Accompanying drawing explanation
Fig. 1 is the aid system schematic diagram that the embodiment of the present invention provides;
In figure: Jie's bucket is closed in 1-moistening, Jie's pump is closed in 2-moistening, and 3-closes the conveying pipe that is situated between, and 4-closes Jie's flow valve, 5-guard valve
Door, 6-dispensing valve, 7-feed back pipe, 8-feeding tube, 9-batch mixing delivery pump, 10-material collection bucket, 11-scraper cleaner,
12-drag conveyor.
Detailed description of the invention
The invention will be further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
With reference to Fig. 1, a kind of coal preparation plant's end fault continuous coal separation aid system, it is mainly used in many set parallel sorting systems
Dense medium or jigging coal works, including moistening close Jie's bucket 1, moistening close Jie's pump 2, close be situated between conveying pipe 3, close Jie's flow valve 4, accident
Valve 5, dispensing valve 6, feed back pipe 7, feeding tube 8, batch mixing delivery pump 9, material collection bucket 10, scraper cleaner 11, many
Set parallel sorting system and drag conveyor;
Described moistening is closed Jie's bucket 1 and is connected with drag conveyor by closing the conveying pipe 3 that is situated between, and moistening is closed to be situated between and closed Jie's pump by moistening
2 are closed Jie's bucket 1 by moistening squeezes into drag conveyor head end, and raw coal falls into drag conveyor head end, and moistening is closed and is situated between and after raw coal mixing
Parallel sorting system is at most overlapped by drag conveyor uniform distributing;The batch meter of drag conveyor end separation system is provided with
Described accident valve 5 also offers feed back mouth, is connected with material collection bucket 10 by feed back pipe 7, and feed back pipe 7 leads to
Crossing dispensing valve 6 to control, in material collection bucket 10, material passes through feeding tube 8 dozens to drag conveyor head end.Described scraper plate cleans
Device 11 is arranged at the previous system of drag conveyor end.Described conjunction is situated between to carry and is further provided with branch on pipe 3, should
Branch controls flow by flow valve 4 and is delivered in the batch meter of drag conveyor end Recognition Applied in Coal Preparation System with residual with fall into
Remaining raw coal mixing.
The coal preparation method of a kind of coal preparation plant end fault continuous coal separation aid system, comprises the steps:
1) overlapping parallel Recognition Applied in Coal Preparation System dense medium or jigging when, coal preparation plant's end Recognition Applied in Coal Preparation System breaks down when need to overhaul more, its
He does not stops production by Recognition Applied in Coal Preparation System, closes end system accident valve 5, opens aid system dispensing valve 6;
2) moistening is closed to be situated between and is squeezed into drag conveyor head end by conjunction Jie's pump 2 by moistening conjunction Jie's bucket 1 ECDC Jie's conveying pipe 3;
3) raw coal falls into drag conveyor head end, and moistening is closed and is situated between and after raw coal mixing, by drag conveyor uniform distributing extremely
Many set parallel sorting systems;
4) material in separation system batch meter is delivered to material collection bucket 10 through feed back pipe 7, and wherein material returns
Flow tube 7 is controlled by dispensing valve 6;
5) in material collection bucket 10 material by batch mixing delivery pump 9 through feeding tube 8 dozens to drag conveyor head end, total system
Material forms circulation.
Fall on scraper plate in end Recognition Applied in Coal Preparation System batch meter when portion of residual raw coal sticks in, open flow valve 4, logical
Inflow-rate of water turbine valve 4 controls flow and is delivered in end Recognition Applied in Coal Preparation System batch meter mix with the remaining raw coal fallen into.When end divides
When selecting system failure to run, it is only necessary to unlatching accident valve 5, close aid system and close Jie's flow valve 4 and dispensing valve 6,
Can realize overlapping running parallel of separation system more.
The above is only the present invention preferably detailed description of the invention.It should be pointed out that, the common skill for the art
For art personnel, the present invention is not limited only to this, on the premise of without departing from technical solution of the present invention, it is also possible to make some improvement
And retouching, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. coal preparation plant's end fault continuous coal separation aid system, it is characterised in that: include that Jie's bucket (1) is closed in moistening, moistening is closed
Jie's pump (2), to close be situated between conveying pipe (3), accident valve (5), dispensing valve (6), feed back pipe (7), feeding tube (8), batch mixing defeated
Send pump (9), material collection bucket (10), many set parallel sorting systems and drag conveyor (12);
Described moistening is closed Jie's bucket (1) and is connected with drag conveyor by closing conveying pipe (3) that is situated between, and moistening is closed to be situated between and closed Jie's pump by moistening
(2) being closed Jie's bucket (1) by moistening and squeeze into drag conveyor (12) head end, raw coal falls into drag conveyor (12) head end, and moistening is closed and is situated between
Parallel sorting system is at most overlapped by drag conveyor (12) uniform distributing after mixing with raw coal;Drag conveyor (12) end sorts
The batch meter of system is provided with described accident valve (5) and offers feed back mouth, is received with material by feed back pipe (7)
Collection bucket (10) connection, feed back pipe (7) is controlled by dispensing valve (6), and material collection bucket (10) interior material passes through feeding tube
(8) beat to drag conveyor (12) head end.
Coal preparation plant the most according to claim 1 end fault continuous coal separation aid system, it is characterised in that: also include scraper plate
Sweeper (11), described scraper cleaner (11) is arranged at the previous system of drag conveyor end.
Coal preparation plant the most according to claim 1 end fault continuous coal separation aid system, it is characterised in that: described conjunction is situated between
Being further provided with branch in conveying pipe (3), this branch controls flow by flow valve (4) and is delivered to drag conveyor end
To mix with the remaining raw coal fallen in the batch meter of Recognition Applied in Coal Preparation System.
4. a coal preparation method based on the coal preparation plant's end fault continuous coal separation aid system described in claim 1, its feature
It is: comprise the steps:
1) overlapping parallel Recognition Applied in Coal Preparation System dense medium or jigging when, coal preparation plant's end Recognition Applied in Coal Preparation System breaks down when need to overhaul more, other choosings
Coal measures system does not stops production, and closes end system accident valve, opens aid system dispensing valve;
2) moistening is closed to be situated between and is squeezed into drag conveyor (12) head by conjunction Jie's pump (2) by moistening conjunction Jie's bucket (1) ECDC Jie's conveying pipe (3)
End;
3) raw coal falls into drag conveyor (12) head end, and moistening is closed and is situated between and after raw coal mixing, uniformly divides drag conveyor (12)
Material many sets parallel sorting system;
4) material in separation system batch meter is delivered to material collection bucket (10) through feed back pipe (7), and wherein material returns
Flow tube (7) is controlled by dispensing valve (6);
5) material collection bucket (10) interior material is beaten to drag conveyor (12) head end through feeding tube (8) by batch mixing delivery pump (9), whole
Individual system material forms circulation.
The coal preparation method of coal preparation plant the most according to claim 4 end fault continuous coal separation aid system, it is characterised in that:
Fall on scraper plate in end Recognition Applied in Coal Preparation System batch meter when portion of residual raw coal sticks in, open flow valve (4), pass through flow
Valve (4) controls flow and is delivered in end Recognition Applied in Coal Preparation System batch meter mix with the remaining raw coal fallen into.
The coal preparation method of coal preparation plant the most according to claim 4 end fault continuous coal separation aid system, it is characterised in that:
When separation system failure-free operation, it is only necessary to unlatching accident valve (5), close aid system conjunction Jie's flow valve (4) and
Dispensing valve (6), can realize overlapping running parallel of separation system more.
Priority Applications (1)
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CN201610495859.3A CN106140455A (en) | 2016-06-28 | 2016-06-28 | A kind of coal preparation plant's end fault continuous coal separation aid system and method |
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CN201610495859.3A CN106140455A (en) | 2016-06-28 | 2016-06-28 | A kind of coal preparation plant's end fault continuous coal separation aid system and method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117142076A (en) * | 2023-09-12 | 2023-12-01 | 松滋市鑫盖包装有限公司 | White spirit bottle lid laser coding equipment loading attachment |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1331296A (en) * | 1969-09-26 | 1973-09-26 | Ruhrkohle Ag | Process for the preparation of hard coal |
CN87101056A (en) * | 1987-05-28 | 1987-12-16 | 中国矿业学院 | The dressing coal with dry fluidized bed method and apparatus |
CN102069029A (en) * | 2009-11-20 | 2011-05-25 | 金易通科技(北京)有限公司 | Mechanically-assisted air pulsating jig and coal washing method thereof |
CN202983860U (en) * | 2012-12-14 | 2013-06-12 | 河南富耐克超硬材料股份有限公司 | Multi-stage micro-powder sorting device and multi-stage micro-powder sorting system |
CN203448140U (en) * | 2013-08-07 | 2014-02-26 | 宁波金田冶炼有限公司 | Continuous crushing separation production line for scrap copper |
-
2016
- 2016-06-28 CN CN201610495859.3A patent/CN106140455A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1331296A (en) * | 1969-09-26 | 1973-09-26 | Ruhrkohle Ag | Process for the preparation of hard coal |
CN87101056A (en) * | 1987-05-28 | 1987-12-16 | 中国矿业学院 | The dressing coal with dry fluidized bed method and apparatus |
CN102069029A (en) * | 2009-11-20 | 2011-05-25 | 金易通科技(北京)有限公司 | Mechanically-assisted air pulsating jig and coal washing method thereof |
CN202983860U (en) * | 2012-12-14 | 2013-06-12 | 河南富耐克超硬材料股份有限公司 | Multi-stage micro-powder sorting device and multi-stage micro-powder sorting system |
CN203448140U (en) * | 2013-08-07 | 2014-02-26 | 宁波金田冶炼有限公司 | Continuous crushing separation production line for scrap copper |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117142076A (en) * | 2023-09-12 | 2023-12-01 | 松滋市鑫盖包装有限公司 | White spirit bottle lid laser coding equipment loading attachment |
CN117142076B (en) * | 2023-09-12 | 2024-06-11 | 松滋市鑫盖包装有限公司 | A feeding device for laser coding equipment for liquor bottle caps |
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Effective date of abandoning: 20190409 |