CN108085068A - A kind of mixture coal method and device suitable for coal gasification apparatus - Google Patents
A kind of mixture coal method and device suitable for coal gasification apparatus Download PDFInfo
- Publication number
- CN108085068A CN108085068A CN201810069715.0A CN201810069715A CN108085068A CN 108085068 A CN108085068 A CN 108085068A CN 201810069715 A CN201810069715 A CN 201810069715A CN 108085068 A CN108085068 A CN 108085068A
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- Prior art keywords
- coal
- surge bunker
- feeding
- coal gasification
- feed opening
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- 239000003245 coal Substances 0.000 title claims abstract description 66
- 238000002309 gasification Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000203 mixture Substances 0.000 title abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses a kind of mixture coal method and device suitable for coal gasification apparatus, the mixture coal technology fields of large-scale coal chemical technology；By setting semi-enclosed bulk tank, bin bottom sets feed opening, blanking surge bunker is provided at feed opening；Feed bin passes through the size of current of feeding scrapper conveyor, controls the coal amount for entering surge bunker from feed bin by feeding scrapper conveyor feeding, regulation and control, meanwhile, 75 85% controlling level sets level detector, when level detector touches material, level detector, that is, run-off the straight in surge bunker；It switchs and is closed when angle of inclination is more than 30 °, generate a current loop control feeding scrapper conveyor autostop, stop feeding；The present invention is provided with surge bunker in coal bunker feed opening; material position is by setting level-sensing device, control operation electric current section, surge bunker Material level monitoring system to realize that surge bunker material position is stablized in surge bunker; two-way feeder transport is controlled to rotate and realizes that raw material stablizes blanking, so that it is guaranteed that mixture coal coal quality stability.
Description
Technical field
The present invention relates to the mixture coal technology fields of large-scale coal chemical technology, and in particular to one kind is suitable for coal gasification
The mixture coal method and device of device.
Background technology
From the point of view of the driving of domestic each shell gasification furnace and operating experience, coal quality problem annoyings major producer always.It is long
The stability of mixture coal coal quality is one of problem of the large-scale mixed coal blending process mixture quality of puzzlement always since phase, because of mixture coal coal
The caused unplanned parking of the problem of matter is unstable or production accident also take place frequently constantly.For example Coal Chemical Engineering Project goes into operation initial stage because of coal
Geological Problems cause gasification stove internal wall to corrode, and many detours have been walked during searching reason and taking measures, and loss is huge.State's inner casing
The maximum bottleneck of board coal gasification apparatus operation is that coal and coal quality are unstable.Device can not realize continuous long-period stable operation,
Driving and parking is frequently very unfavorable to the economical operation of company.Large-scale coal chemical industry enterprises, coal quality is steadily in the long term to enterprise development
Influence it is bigger.
The content of the invention
The present invention overcomes the deficiencies in the prior art, provide a kind of mixed blending method suitable for coal gasification apparatus, use
Three step level monitoring methods ensure that bin blanking mouth stablizes blanking, realize final mixture coal quality stability.In order to achieve the above object,
The present invention is achieved through the following technical solutions.
Semi-enclosed bulk tank is set, and bin bottom sets feed opening, blanking surge bunker is provided at feed opening；Material
Storehouse passes through the size of current of feeding scrapper conveyor, controls the coal amount for entering surge bunker from feed bin by feeding scrapper conveyor feeding, regulation and control,
Meanwhile the controlling level of 75-85% sets level detector in surge bunker, when level detector touches material, level detector inclines
Tiltedly；It switchs and is closed when angle of inclination is more than 30 °, generate a current loop control feeding scrapper conveyor autostop, stop taking
Material.
A kind of coal blending device suitable for coal gasification processing, including multiple semi-enclosed bulk tanks, described is each
The bottom of semi-enclosed bulk tank is provided with center feed opening and emergent feed opening, the center feed opening and it is emergent under
It is respectively arranged with corresponding surge bunker at material mouth, the bottom of the surge bunker is provided with Bidirectional feeder, described two-way to give
The lower part of material machine is provided with the first conveyer belt, and the transmission terminal of first conveyer belt is provided with transfer station, the transhipment
The outlet stood is provided with the second conveyer belt, and the discharge end of second conveyer belt is disposed with roller picker and crusher, institute
The crusher stated is connected with pipe conveyer, and the pipe conveyer is connected by belt with coal gasification apparatus, in the surge bunker
Portion is provided with level detector.
Level detector is provided at the controlling level of the inside 75-85% of the preferred surge bunker.
Camera further is set in the entrance of surge bunker, internal material position is monitored, when material position is excessively high, post
Personnel control material position by reducing or stopping feeding.
One grey brush device further on the camera minute surface is installed, dust is avoided to block sight, while is being buffered
Storehouse entrance installs a major light.
The present invention has following row advantageous effect compared with prior art.
Be both provided with surge bunker in coal bunker feed opening and auxiliary material feed opening, in surge bunker material position by set level-sensing device,
Control operation electric current section, surge bunker Material level monitoring system realize that surge bunker material position is stablized, and two-way feeder transport is controlled to rotate
Realize that raw material stablizes blanking, so that it is guaranteed that mixture coal coal quality stability.
Description of the drawings
Fig. 1 is embodiment coal blending device schematic diagram.
Fig. 2 is embodiment surge bunker schematic diagram.
Wherein, 1 is semi-enclosed bulk tank, feed opening centered on 2, and 3 be emergent feed opening, and 4 be surge bunker, and 5 be double
To batcher, 6 be the first conveyer belt, and 7 be transfer station, and 8 be the second conveyer belt, and 9 be roller picker, and 10 be crusher, and 11 be pipe band
Machine, 12 be level detector, and 13 be camera.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Embodiment is closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to solve
The present invention is released, is not intended to limit the present invention.With reference to the embodiment technical solution that the present invention will be described in detail, but protection domain
It is not limited by this.
The present invention builds the coal blending device having suitable for coal gasification processing, including two semi-enclosed bulk tanks 1, is
The semi-enclosed a set of automobile storage coal measures of 1 auxiliary construction of bulk tank is united, a set of train deposits coal measures system, is semi-enclosed bulk tank
1 provides coal source.The bottom of each semi-enclosed bulk tank 1 is set there are one center feed opening 2 and two emergent feed openings 3,
Corresponding surge bunker 4 is respectively arranged at center feed opening 2 and emergent feed opening 3, the bottom of surge bunker 4 is provided with two-way feeding
Machine 5, the lower part of Bidirectional feeder 5 are provided with the first conveyer belt 6, and the transmission terminal of the first conveyer belt 6 is provided with transfer station 7, turn
The outlet at fortune station 7 is provided with the second conveyer belt 8, and the discharge end of the second conveyer belt 8 is disposed with roller picker 9 and crusher 10,
Crusher 10 is connected with pipe conveyer 11, and pipe conveyer 11 is connected by belt with coal gasification apparatus.
Level detector 12 is provided at the controlling level of 4 inside 75-85% of surge bunker, the entrance of surge bunker 4 is provided with camera
13 and major light, internal material position is monitored, when material position is excessively high, post personnel are by reducing or stopping feeding control material
Position.Camera 13 is provided with grey brush device, and dust is avoided to block sight.
Feeding scrapper conveyor according to table 1 scrapes coal amount and the relation Jing Guo its size of current, determines under a constant current
The coal amount into surge bunker scraped, the coal amount setting feeding scrapper conveyor taken as needed pass through electric current.
| Sequence number | Corresponding coal amount（Ton） | Electric current（A） |
| 1 | 360 | 125-140 |
| 2 | 450 | 150-175 |
| 3 | 540 | 190-220 |
| 4 | 630 | 230-260 |
| 5 | 720 | 270-300 |
Meanwhile 80% controlling level installs level detector 12, when level detector 12 touches material, level detector in surge bunker 4
12 run-off the straights.It switchs and is closed when angle of inclination is more than 30 °, generate a current loop control scrapper conveyor autostop, stop
Only feeding.
75% controlling level or 85% controlling level level detector 12 can also be installed in surge bunker 4.
Material enters the first conveyer belt 6 by two-way feeder 5 in surge bunker 4, and conveying amount can also give coal by two-way
5 rotating speed of machine is controlled, by the way that two-way 5 electric machine frequency of feeder is controlled to realize that rotating speed controls in DCS control systems.
Coal blending is completed by more than coal-blending device and technique.
The above content is combine specific preferred embodiment to the further description of the invention done, it is impossible to assert
The specific embodiment of the present invention is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, is not taking off
On the premise of from the present invention, several simple deduction or replace can also be made, should all be considered as belonging to the present invention by being submitted
Claims determine scope of patent protection.
Claims (8)
1. a kind of mixed blending method suitable for coal gasification apparatus, which is characterized in that semi-enclosed bulk tank, feed bin bottom are set
Portion sets multiple feed openings, and corresponding blanking surge bunker is provided at each feed opening；Feed bin by feeding scrapper conveyor feeding,
The size of current of feeding scrapper conveyor is passed through in regulation and control, controls the coal amount for entering surge bunker from feed bin, meanwhile, the 75-85% in surge bunker
Controlling level set level detector, when level detector touches material, level detector, that is, run-off the straight；When angle of inclination is more than 30 °
Shi Kaiguan is closed, and is generated a current loop control feeding scrapper conveyor autostop, is stopped feeding.
2. a kind of mixed blending method suitable for coal gasification apparatus according to claim 1, which is characterized in that in surge bunker
Entrance set camera, internal material position is monitored, when material position is excessively high, post personnel are by reducing or stopping feeding control
Material position processed.
3. a kind of mixed blending method suitable for coal gasification apparatus according to claim 2, which is characterized in that taken the photograph described
As the grey brush device of installation one on head mirror face, dust is avoided to block sight, while one major light is installed in surge bunker entrance.
4. a kind of coal blending device suitable for coal gasification processing, which is characterized in that including multiple semi-enclosed bulk tanks
（1）, each semi-enclosed bulk tank（1）Bottom be provided with center feed opening（2）With emergent feed opening（3）,
The center feed opening（2）With emergent feed opening（3）Place is respectively arranged with corresponding surge bunker（4）, the surge bunker（4）
Bottom be provided with Bidirectional feeder（5）, the Bidirectional feeder（5）Lower part be provided with the first conveyer belt（6）, it is described
First conveyer belt（6）Transmission terminal be provided with transfer station（7）, the transfer station（7）Outlet be provided with the second conveyer belt
（8）, second conveyer belt（8）Discharge end be disposed with roller picker（9）And crusher（10）, the crusher
（10）It is connected with pipe conveyer（11）, the pipe conveyer（11）It is connected by belt with coal gasification apparatus, the surge bunker
（4）It is internally provided with level detector（12）.
5. a kind of coal blending device suitable for coal gasification processing according to claim 4, which is characterized in that described is slow
Rush storehouse（4）Inside 75-85% controlling level at be provided with level detector（12）.
6. a kind of coal blending device suitable for coal gasification processing according to claim 4, which is characterized in that described is slow
Rush storehouse（4）Entrance be provided with camera（13）.
7. a kind of coal blending device suitable for coal gasification processing according to claim 6, which is characterized in that described takes the photograph
As head（13）It is provided with grey brush device.
8. a kind of coal blending device suitable for coal gasification processing according to claim 4, which is characterized in that described is slow
Rush storehouse（4）Entrance be provided with major light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069715.0A CN108085068A (en) | 2018-01-24 | 2018-01-24 | A kind of mixture coal method and device suitable for coal gasification apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069715.0A CN108085068A (en) | 2018-01-24 | 2018-01-24 | A kind of mixture coal method and device suitable for coal gasification apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN108085068A true CN108085068A (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810069715.0A Pending CN108085068A (en) | 2018-01-24 | 2018-01-24 | A kind of mixture coal method and device suitable for coal gasification apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040786A (en) * | 2019-11-27 | 2020-04-21 | 新疆广汇煤炭清洁炼化有限责任公司 | Two-section type coke discharging device with water seal |
| CN115337806A (en) * | 2021-05-11 | 2022-11-15 | 山西潞安煤基清洁能源有限责任公司 | Automatic coal blending process |
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2018
- 2018-01-24 CN CN201810069715.0A patent/CN108085068A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040786A (en) * | 2019-11-27 | 2020-04-21 | 新疆广汇煤炭清洁炼化有限责任公司 | Two-section type coke discharging device with water seal |
| CN115337806A (en) * | 2021-05-11 | 2022-11-15 | 山西潞安煤基清洁能源有限责任公司 | Automatic coal blending process |
| CN115337806B (en) * | 2021-05-11 | 2024-05-28 | 山西潞安煤基清洁能源有限责任公司 | Automatic coal mixing process |
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