CN108165314B - A kind of gasification furnace dreg removing system and Slagoff method - Google Patents
A kind of gasification furnace dreg removing system and Slagoff method Download PDFInfo
- Publication number
- CN108165314B CN108165314B CN201810078804.1A CN201810078804A CN108165314B CN 108165314 B CN108165314 B CN 108165314B CN 201810078804 A CN201810078804 A CN 201810078804A CN 108165314 B CN108165314 B CN 108165314B
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- dreg
- locking hopper
- gasification furnace
- valve
- hopper
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- 238000002309 gasification Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000002893 slag Substances 0.000 claims abstract description 57
- 238000011010 flushing procedure Methods 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000008237 rinsing water Substances 0.000 claims abstract description 5
- 230000004087 circulation Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002002 slurry Substances 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
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/52—Ash-removing devices
- C10J3/526—Ash-removing devices for entrained flow gasifiers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a kind of gasification furnace dreg removing system and Slagoff methods, belong to coal chemical industry pulp water processing technology field.Gasification furnace dreg removing system of the invention includes gasification furnace, slag breaker, dreg-locking hopper and dragveyer, it further include rinsing water pot, by being connected at the top of blowdown line and dreg-locking hopper in the middle part of the flushing water pot, liquid-level switch and relief valve are provided on blowdown line, blowdown line is connected with blowdown line clean-up line, flushing valve is provided on blowdown line clean-up line, flushing water pot bottom is connected by flushing water pipeline with dreg-locking hopper top, is provided with flashing valve on flushing water pipeline.The gasification furnace dreg removing system design of the invention rationally, can effectively avoid hole occur at the top of dreg-locking hopper, to avoid bath pipeline vibration, have good application value.
Description
Technical field
The present invention relates to coal chemical industry pulp water processing technology field, a kind of gasification furnace dreg removing system and deslagging side are specifically provided
Method.
Background technique
Air flow bed pressurized gasification technology is compared to traditional gasification technology such as fixed bed in equipment volume, gas producing efficiency, environmental protection
Etc. have big advantage, it has also become the development trend of Modern Coal-based Chemical.Either coal water slurry pressurized gasifier is still done
Coal dust pressurized-gasification furnace, since the reaction in gasification furnace is to carry out in a high voltage state, coal after the reaction was completed remaining clinker without
Method is expelled directly out gasification furnace, and clinker passes through the dreg-locking hopper discharge of gasification furnace bottom, and dreg-locking hopper periphery valve is according to scheduled
Sequence switch realizes the operation such as dreg-locking hopper collection slag, pressure release, flushing, deslagging, pressurising, ensure that being smoothly discharged for filter residue.
But it builds bridge at the top of generally existing slag breaker in tapping process in the prior art, valve between gasification furnace and dreg-locking hopper
The problems such as interior leakage can not be effectively isolated, and dreg-locking hopper blowdown line blocks.Wherein, dreg-locking hopper wash tub pipe linearly coupled problem is especially prominent
Out, at the major hidden danger for influencing safety in production.It is found through field observation, dreg-locking hopper wash tub pipe linearly coupled, which occurs mainly in, to be let out
Before pressure end deslagging and at the end of deslagging.Pressure release terminates the reason of flushing water pipeline vibration before deslagging when being dreg-locking hopper pressure release, molten
The gas of solution in water carries a part of water secretly and flows out dreg-locking hopper, makes to form hole at the top of dreg-locking hopper；Wash tub pipe at the end of deslagging
When the reason of linearly coupled is deslagging, flushing water pipeline and deslagging pipeline have difference in flow, and the flushing dose into dreg-locking hopper is made to be less than row
The water of dreg-locking hopper out causes dreg-locking hopper top at the end of deslagging to form hole.Due to the presence of dreg-locking hopper upper cavity, rinse
Flushing water in water pipeline flows rapidly into dreg-locking hopper, is full of in a flash to dreg-locking hopper hole, water velocity rapid drawdown, forms water hammer
Phenomenon causes pipeline vibration of washing by water, brings great hidden danger to safety in production.Major part company is using increase spring branch now
Frame increases expansion joint, changes the modes such as pipeline trend, although the case where alleviating pipeline vibration to a certain extent, still
Pipeline vibration cannot be inherently eliminated.
Summary of the invention
Technical assignment of the invention be in view of the above problems, provide it is a kind of design rationally, can effectively avoid
There is the process that hole and hole are full of at the top of dreg-locking hopper, to avoid the gasification furnace dreg removing system of bath pipeline vibration.
The further technical assignment of the present invention is to provide a kind of gasification furnace slag discharge side using above-mentioned gasification furnace dreg removing system
Method.
To achieve the above object, the present invention provides the following technical scheme that
A kind of gasification furnace dreg removing system, including gasification furnace, slag breaker, dreg-locking hopper and dragveyer, the slag breaker setting exist
Gasification furnace bottom end, dreg-locking hopper are connected with slag breaker, dragveyer respectively, and collection slag valve one is provided between dreg-locking hopper and slag breaker,
It is provided with pressurising pipeline at the top of dreg-locking hopper, equalizer valve is provided on pressurising pipeline, deslagging is provided between dreg-locking hopper and dragveyer
Valve further includes rinsing water pot, and the position for rinsing water pot is higher than the position of dreg-locking hopper, rinses in the middle part of water pot and passes through blowdown line
It is connected with dreg-locking hopper top, liquid-level switch and relief valve, blowdown line and blowdown line flushing pipe is provided on blowdown line
Line is connected, and flushing valve is provided on blowdown line clean-up line, and flushing water pot bottom passes through on flushing water pipeline and dreg-locking hopper
Portion is connected, and is provided with flashing valve on flushing water pipeline.
By making the water carried secretly in pressure leak process under the effect of gravity to the flushing water pot pressure release for being located at eminence in the present invention
It is returned to and is returned in dreg-locking hopper by blowdown line, effectively avoid the generation of dreg-locking hopper top cavity at the end of pressure release, well
Solves the vibration problem of flushing water pipeline before deslagging.
When starting deslagging, residual cake valve is first opened, then open flashing valve, avoid flushing water and be full of dreg-locking hopper top cavity
Process, further solve flushing water pipeline vibration problem.
Liquidometer is provided in the flushing water pot, the level value before deslagging starts in flushing water tank always holds to rinse water pot
Long-pending 85% is arranged when the level value in liquidometer display flushing water pot is to rinse the 15% of water pot total measurement (volume) after starting deslagging
Slag terminates.
At the end of deslagging, extend the shut-in time of residual cake valve, the extended specific time adjusts according to field condition, generally
5-20s begins to shut off deslagging valve events at the end of deslagging, approximately pass through the closing that 5-20s completes residual cake valve, avoid dreg-locking hopper
The generation of top cavity.
Either after deslagging, residual cake valve is turned off until the liquid rinsed in water pot all empties, avoids flushing
The process that dreg-locking hopper top cavity is full of by water further solves the vibration problem of flushing water pipeline.
The blowdown line is connected with blowdown line clean-up line, after pressure release can with water to blowdown line into
Row rinses, and ensure that the unimpeded of blowdown line.Liquid-level switch is additionally provided on blowdown line, staff can by liquid-level switch
The case where to judge full liquid in dreg-locking hopper, when dreg-locking hopper expires liquid to dreg-locking hopper pressurising, prevent having bulk gas inside dreg-locking hopper
In the presence of influence dreg-locking hopper pressurising speed.
Preferably, the gasification furnace dreg removing system further includes circulating pump one, the circulating pump one is connected on gasification furnace bottom end
Between at the top of dreg-locking hopper, inlet valve is provided between circulating pump one and dreg-locking hopper, circulating pump one constitutes alone circulation loop, follows
Circulating valve is provided in loop back path.
In dreg-locking hopper collection slag front opening circulating valve, starts circulating pump one, make circulating pump one to normal work by circulation loop
Make.Open inlet valve in dreg-locking hopper collection slag, circulating pump one at the top of the gasification furnace bottom and dreg-locking hopper between formed from top to bottom
Water flow, force clinker flow downward, effectively prevent clinker from building bridge at the top of slag breaker.
Preferably, the gasification furnace dreg removing system further includes circulating pump two, the circulating pump two is in parallel with circulating pump one.
Circulating pump two is enabled when circulating pump one breaks down, and can guarantee not influence to gasify when circulating pump one breaks down
The normal deslagging of furnace.
Preferably, being additionally provided with collection slag valve two between the slag breaker and dreg-locking hopper.
Setting collection one sum aggregate slag valve two of slag valve between dreg-locking hopper and slag breaker, uses collection one sum aggregate slag valve two of slag valve when normal
In one, another is in normally open, and with the erosive wear of clinker, a valve in use can be sealed because of abrasion
It is not tight, the normal pressure release of dreg-locking hopper is influenced, at this moment can come into operation another valve, guarantee that dreg-locking hopper is effectively isolated with gasification furnace.
A kind of gasification furnace Slagoff method, after dreg-locking hopper collection slag, after dreg-locking hopper is mutually disconnected with gasification furnace, dreg-locking hopper is logical
Blowdown line pressure release into flushing water pot is crossed, meanwhile, the water of entrainment is back in dreg-locking hopper, and relief tube is rinsed after the completion of pressure release
Line, blowdown line, which rinses, to be completed for dreg-locking hopper to be connected with dragveyer, is washed by water by flushing water pipeline into dreg-locking hopper, is started to arrange
Slag, water pot liquid level to be rinsed is to deslagging when setting level value, is terminated, and in dreg-locking hopper after full liquid, stopping bath being filled into dreg-locking hopper
Be depressed into dreg-locking hopper pressure it is equal with gasification furnace pressure after, dreg-locking hopper is connected with gasification furnace, dreg-locking hopper restart collect slag.
Preferably, when dreg-locking hopper collection slag, kinetic pump at the top of starting dreg-locking hopper between gasification furnace bottom end, gasification furnace with
Water flow is formed between dreg-locking hopper, clinker flows downwardly into dreg-locking hopper.
Preferably, the kinetic pump includes circulating pump one, circulating pump one is connected at the top of gasification furnace bottom end and dreg-locking hopper
Between, inlet valve is provided between circulating pump one and dreg-locking hopper, circulating pump one constitutes alone circulation loop, is arranged on circulation loop
There is circulating valve.
Preferably, the kinetic pump further includes circulating pump two, the circulating pump two is in parallel with circulating pump one.
Preferably, being provided with relief valve on the blowdown line, flashing valve is provided on flushing water pipeline.
Preferably, the blowdown line is connected with blowdown line clean-up line, it is arranged on blowdown line clean-up line
There is flushing valve, after dreg-locking hopper pressure release, opens flushing valve and blowdown line is rinsed, the washing time of blowdown line is 30-
35S。
Compared with prior art, gasification furnace dreg removing system of the invention have it is following prominent the utility model has the advantages that
(1) the gasification furnace Slagoff method prevents pressure release from terminating using to by the way of being located at the flushing water pot pressure release of eminence
When dreg-locking hopper at the top of generate hole, can effectively avoid pipeline vibration, guarantee production safety；
(2) when starting deslagging, residual cake valve is first opened, then open flashing valve, avoids flushing water for dreg-locking hopper top cavity
The process filled up further solves the vibration problem of flushing water pipeline；At the end of deslagging, extends the shut-in time of residual cake valve, prolong
The long specific time adjusts according to field condition, and generally 5-20s avoids the generation of dreg-locking hopper top cavity；
(3) dreg-locking hopper is connected with the blowdown line that water pot is connected is rinsed with blowdown line clean-up line, in pressure release knot
Blowdown line can be rinsed with water after beam, prevent blowdown line from blocking；
(4) it is provided with liquid-level switch on blowdown line, may determine that the liquid in dreg-locking hopper by liquid-level switch staff
Position situation, can guarantee topped up with water in dreg-locking hopper before pressurising, shortens the pressurising time of dreg-locking hopper；
(5) circulating pump one, circulating pump two can make to form water circulation between gasification furnace and dreg-locking hopper, prevent clinker
It builds bridge at the top of slag breaker, meanwhile, when two circulating pumps ensure that a failure, the normal deslagging of gasification furnace is not influenced；
(6) it is equipped with collection one 2 two valves of sum aggregate slag valve of slag valve between dreg-locking hopper and slag breaker, prevents single valve in clinker
Long-time wash away lower interior leakage, guarantee that dreg-locking hopper is effectively isolated with gasification furnace.
Detailed description of the invention
Fig. 1 is the schematic diagram of gasification furnace dreg removing system of the present invention；
Wherein, 1. gasification furnace, 2. slag breakers, 3. dreg-locking hoppers, 4. rinse water pot, 5. dragveyers, 6. circulating pumps one, 7. circulations
Pump two, 8. collection slag valves one, 9. collection slag valves two, 10. inlet valves, 11. circulating valves, 12. residual cake valves, 13. blowdown lines, 14. liquid levels
Switch, 15. relief valves, 16. blowdown line clean-up lines, 17. flushing valves, 18. flushing water pipelines, 19. flashing valves, 20. pressurisings
Pipeline, 21. equalizer valves, 22. circulation loops, 23. liquidometers.
Specific embodiment
Below in conjunction with drawings and examples, gasification furnace dreg removing system of the invention and Slagoff method are made further detailed
Explanation.
Embodiment
Gasification furnace Slagoff method of the invention, during collecting slag, first at the top of starting dreg-locking hopper between gasification furnace bottom end
Circulating pump one or circulating pump two, form water flow between gasification furnace and dreg-locking hopper, and clinker flows downwardly into dreg-locking hopper.After the completion of collection slag
In tapping process, after dreg-locking hopper is mutually disconnected with gasification furnace, relief valve is opened, dreg-locking hopper passes through blowdown line to flushing water pot
Middle pressure release, and the water carried secretly in pressure leak process is returned to back in dreg-locking hopper.Flushing valve is opened after the completion of pressure release rinses blowdown line,
Blowdown line, which rinses, to be completed for dreg-locking hopper to be connected with dragveyer.Flashing valve is opened to rush by flushing water pipeline into dreg-locking hopper
Water starts deslagging.Liquidometer in water pot to be rinsed, which is shown, terminates deslagging when level value is the 15% of total measurement (volume).To in dreg-locking hopper
It is hydraulically full be pressurized into dreg-locking hopper dreg-locking hopper pressure it is equal with gasification furnace pressure after, dreg-locking hopper is connected with gasification furnace.
As shown in Figure 1, realize a kind of gasification furnace dreg removing system of gasification furnace Slagoff method of the invention include gasification furnace 1,
Slag breaker 2, rinses water pot 4, dragveyer 5, circulating pump 1 and circulating pump 27 at dreg-locking hopper 3.
It is connected by pressurising pipeline 20 with high-pressure water at the top of dreg-locking hopper 3, pressurising pipeline 20 is equipped with equalizer valve 21.It is broken
2 top of slag machine is connected with 1 bottom end of gasification furnace, is connected at the top of 2 bottom end of slag breaker and dreg-locking hopper 3.Slag breaker 2 and dreg-locking hopper 3
Between be equipped with collection one 8 sum aggregate slag valve 29 of slag valve.Circulating pump 1, circulating pump 27 are connected on 1 bottom end of gasification furnace and dreg-locking hopper respectively
Between 3 tops, inlet valve 10 is installed between circulating pump 1, circulating pump 27 and dreg-locking hopper 3.Circulating pump 1 forms follow alone
Loop back path 22, circulating pump 27 are connected in series with circulating pump 1, and circulation loop 22 is equipped with circulating valve 11.
3 bottom of dreg-locking hopper is connected with dragveyer 5, and residual cake valve 12 is equipped between dreg-locking hopper 3 and dragveyer 5.
It is connected by blowdown line 13 with 4 top of water pot is rinsed at the top of dreg-locking hopper 3, liquid level is installed on blowdown line 13
Switch 14 and relief valve 15.Blowdown line 13 is connected with blowdown line clean-up line 16, sets on blowdown line clean-up line 16
There is flushing valve 17.3 top of dreg-locking hopper is connected by flushing water pipeline 18 with 4 bottom of water pot is rinsed, and is set on flushing water pipeline 18
There is flashing valve 19.
Using above-mentioned gasification furnace dreg removing system carry out deslagging method specifically includes the following steps:
Sa: dreg-locking hopper 3 closes collection slag valve 1 and inlet valve 10 after the completion of collecting slag, opens circulating valve 11, starts circulating pump one
6 or circulating pump 27.
Sb: relief valve 15 is opened, dreg-locking hopper 3 is to pressure release in water pot 4 is rinsed, and the water carried secretly in pressure leak process is in blowdown line
It is returned to back in dreg-locking hopper 3 in 13 by self gravitation effect.
Sc: it after 3 pressure release to normal pressure of dreg-locking hopper, opens flushing valve 17 and blowdown line 13 is rinsed, washing time is
30S。
Sd: it rinses after the completion of blowdown line 13, is first turned on residual cake valve 12, then open flashing valve 19, dreg-locking hopper 3 starts to arrange
Slag.
Se: the level value for rinsing water pot 4 terminates deslagging when being the 15% of total measurement (volume), closes residual cake valve 12.
Sf: liquid-level switch 14, which is shown, closes flashing valve 19 and relief valve 15 after dreg-locking hopper 3 expires liquid.
Sg: opening equalizer valve 21 is 3 pressurising of dreg-locking hopper, until opening collection slag when 3 pressure of dreg-locking hopper is equal with 1 pressure of gasification furnace
Valve 1,10 sum aggregate slag valve 29 of inlet valve, close circulating valve 11, and dreg-locking hopper 3 starts to collect slag.
Embodiment described above, the only present invention more preferably specific embodiment, those skilled in the art is at this
The usual variations and alternatives carried out within the scope of inventive technique scheme should be all included within the scope of the present invention.
Claims (7)
1. a kind of gasification furnace dreg removing system, including gasification furnace, slag breaker, dreg-locking hopper and dragveyer, the slag breaker is arranged in gas
Change furnace bottom end, dreg-locking hopper is connected with slag breaker, dragveyer respectively, and collection slag valve one, slag are provided between dreg-locking hopper and slag breaker
It is provided with pressurising pipeline at the top of lock hopper, equalizer valve is provided on pressurising pipeline, residual cake valve is provided between dreg-locking hopper and dragveyer,
It is characterized by also including water pot is rinsed, the position for rinsing water pot is higher than the position of dreg-locking hopper, rinses in the middle part of water pot and passes through
It is connected at the top of blowdown line and dreg-locking hopper, dreg-locking hopper is by making to press from both sides in pressure leak process to the flushing water pot pressure release for being located at eminence
The water of band is returned to by blowdown line under the effect of gravity to be returned in dreg-locking hopper, and liquid-level switch and pressure release are provided on blowdown line
Valve, blowdown line are connected with blowdown line clean-up line, and flushing valve, flushing water tank bottom are provided on blowdown line clean-up line
Portion is connected by flushing water pipeline with dreg-locking hopper top, is provided with flashing valve on flushing water pipeline.
2. gasification furnace dreg removing system according to claim 1, it is characterised in that: further include circulating pump one, the circulating pump
One is connected between gasification furnace bottom end and dreg-locking hopper top, and inlet valve, circulating pump one are provided between circulating pump one and dreg-locking hopper
Circulation loop is constituted alone, is provided with circulating valve on circulation loop.
3. gasification furnace dreg removing system according to claim 2, it is characterised in that: further include circulating pump two, the circulating pump
Two are in parallel with circulating pump one.
4. gasification furnace dreg removing system according to claim 1,2 or 3, it is characterised in that: the slag breaker and dreg-locking hopper it
Between be additionally provided with collection slag valve two.
5. a kind of gasification furnace Slagoff method, it is characterised in that: this method by gasification furnace dreg removing system described in claim 1 come
It realizes, after dreg-locking hopper collection slag, after dreg-locking hopper is mutually disconnected with gasification furnace, dreg-locking hopper is by blowdown line into flushing water pot
Pressure release, meanwhile, the water of entrainment is back in dreg-locking hopper, and blowdown line is rinsed after the completion of pressure release, and blowdown line, which rinses, to be completed slag
Lock hopper is connected with dragveyer, is washed by water by flushing water pipeline into dreg-locking hopper, starts deslagging, and when deslagging first opens residual cake valve,
Flashing valve is opened again, avoids the process that dreg-locking hopper top cavity is full of by flushing water, and water pot liquid level to be rinsed is to setting liquid level
When value, terminating deslagging, at the end of deslagging, extends the shut-in time of residual cake valve, the extensions time is 5-20s, after expiring liquid in dreg-locking hopper,
Stop bath, be pressurized into dreg-locking hopper dreg-locking hopper pressure it is equal with gasification furnace pressure after, dreg-locking hopper is connected with gasification furnace,
Dreg-locking hopper restarts to collect slag, when dreg-locking hopper collection slag, kinetic pump at the top of starting dreg-locking hopper between gasification furnace bottom end, in gasification furnace
Water flow is formed between dreg-locking hopper, clinker flows downwardly into dreg-locking hopper.
6. gasification furnace Slagoff method according to claim 5, it is characterised in that: the kinetic pump includes circulating pump one, is followed
Ring pump one is provided with inlet valve between being connected at the top of gasification furnace bottom end and dreg-locking hopper between circulating pump one and dreg-locking hopper, recycle
Pump one constitutes alone circulation loop, is provided with circulating valve on circulation loop.
7. gasification furnace Slagoff method according to claim 6, it is characterised in that: the kinetic pump further includes circulating pump two,
The circulating pump two is in parallel with circulating pump one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810078804.1A CN108165314B (en) | 2018-01-26 | 2018-01-26 | A kind of gasification furnace dreg removing system and Slagoff method |
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| CN201810078804.1A CN108165314B (en) | 2018-01-26 | 2018-01-26 | A kind of gasification furnace dreg removing system and Slagoff method |
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Families Citing this family (2)
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| CN110360583B (en) * | 2019-07-11 | 2021-03-19 | 神华（福建）能源有限责任公司 | Submerged scraper slag conveyor |
| CN113004944A (en) * | 2021-03-29 | 2021-06-22 | 中国华能集团清洁能源技术研究院有限公司 | Slag discharging system of entrained flow gasifier |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3971636A (en) * | 1974-12-23 | 1976-07-27 | Gulf Oil Corporation | Condensate scrubbing of coal gasifier product |
| DE2829629C2 (en) * | 1978-07-06 | 1982-07-29 | Ruhrchemie Ag, 4200 Oberhausen | Method and device for discharging residues from the pressure system of a pressure gasification plant |
| CN1318550C (en) * | 2005-07-01 | 2007-05-30 | 煤炭科学研究总院北京煤化工研究分院<Del/> | Process for pressurized gasification of dry coal fines |
| CN101982527B (en) * | 2010-11-18 | 2012-11-21 | 安徽淮化股份有限公司 | Method for eliminating vibration of locking hopper deslagging system in coal gasification process |
| CN103555374B (en) * | 2013-09-28 | 2016-01-20 | 中国石油集团东北炼化工程有限公司吉林设计院 | A kind of vapourizing furnace deslagging lock hopper logic rigid line interlock |
| CN204174181U (en) * | 2013-12-27 | 2015-02-25 | 惠生（南京）清洁能源股份有限公司 | The device that a kind of multiple stage vapourizing furnace dragveyer is mutually for subsequent use |
| CN104560209B (en) * | 2014-12-31 | 2017-08-01 | 神华集团有限责任公司 | Slag-draining device including its polynary slurry gasification installation and row's cinder method |
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