CN101705101A - Device and method for cooling coke - Google Patents
Device and method for cooling coke Download PDFInfo
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- CN101705101A CN101705101A CN200910075859A CN200910075859A CN101705101A CN 101705101 A CN101705101 A CN 101705101A CN 200910075859 A CN200910075859 A CN 200910075859A CN 200910075859 A CN200910075859 A CN 200910075859A CN 101705101 A CN101705101 A CN 101705101A
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Abstract
The invention discloses a device and a method for cooling coke. The device consists of a prestorage section, a vapor cooling section, a transitional section, a physically cooling section and a discharge section, wherein the upper prestorage section and the vapor cooling section are communicated by a vaporization gas collection channel; the middle transitional section and the physically cooling section are communicated by high-temperature coolant collection channel; a rotary discharge valve of the discharge second is immersed in liquid-sealed coke quenching tank; and a coke conveying device is arranged in the liquid-sealed coke quenching tank or a belt conveyor is arranged at the outlet of the discharge valve to convey the coke to the outside. The method for cooling the coke by vapor and coke oven gases comprises: introducing the vapor into the vapor cooling section; performing vaporization and generating synthesis gases; and introducing the coke oven gases into the physically cooling section to allow the coke oven gases to absorb the sensible heat of the coke and perform physical heat exchange with the coke. The device and the method have the advantages of reducing circulating gas volume, recovering the sensible heat of high-temperature coke, generating water gas and fully utilizing resources.
Description
Technical field
The present invention relates to a kind of coke refrigerating unit and method thereof, especially a kind of coke method of cooling that is used for coke dry coke quenching auxiliary and dry coke quenching auxiliary thereof.
Background technology
Dry Quenching Technology is one of important technology of coking industry field energy-saving and emission-reduction, be with about 1050 ℃ high temperature coke airtight dried the putting out in the stove of packing into, utilize round-robin cooling rare gas element, progressively replace the sensible heat of high temperature coke and it is cooled to 200 ℃, circulating cooling gas is warmed up to 800 ℃ and enters the dried process that stove carries out quenching of putting out once more after the waste heat boiler heat exchange.For coke wet quenching, dry quenching(of coke) has plurality of advantages: (1) improves coke quality.The coke physical strength improves, and M40 improves 4.66%, and M10 is reduced to 1.07%, and 80mm～25mm lumpiness increases by 4%, and reactive decline 5%, post-reaction strength improve 5.1%.(2) save energy.Adopt 80% of the recyclable red burnt sensible heat of Dry Quenching Technology, saved the energy, improved generated energy.(3) protection environment.Compare with coke wet quenching, it is about 60% to adopt Dry Quenching Technology, all kinds of Air Pollutant Emission amounts to reduce, and has also saved water resources, obvious environment benefit simultaneously.
Publication number is the patent of invention of CN1084545A a kind of " dry coke-quenching chamber ", this device comprises several most of compositions of vertical coke quencher, feeder, gas distributing device and delivery device, and the mechanism of vertical coke quencher mainly is divided into the section of prestoring, cooling section, blast cap and discharging awl section be several parts of flue tiltedly.The about 1050 ℃ red coke of temperature is by the feeder section of prestoring of packing into, the cooling section that enters in service.Cooled coke is drawn off by delivery device through discharging awl section.The gas of cooling usefulness enters cooling section cooling heat coke through the gas distributing device blast cap, then through tiltedly flue eliminating.Cooling gas can be CO
2, N
2Deng rare gas element.The refrigerant of this device is rare gas element CO
2And N
2, main heat transfer process is physics heat exchange cooling.
Nippon Steel Manufacturing Corp's international application in 2002 a kind of " dry coke quenching method and device " patent of invention, and open in 2005, publication number is CN1694943A.This device and method is that the prechamber by cooling room and its top constitutes coke quenching tower, the fervid coke of packing into from the top of prechamber, in prechamber, be blown into air or steam, carry out heat exchange with rare gas element as the sensible heat that medium make above-mentioned fervid coke have in above-mentioned cooling room, form with steam is carried out recovery of heat with waste heat boiler, in such dry coke quenching method, by making the heat that advances become target value and adjust the air that is blown in the above-mentioned prechamber or the amount of steam like that to waste heat boiler, thereby can make the recovery vapor volume remain constant, make inflammable gas composition and oxygen composition in the recycle gas remain minimum, can prevent to adhere to the foreign matter of the flue portion of tilting, the heat that can prevent boiler tubing is damaged, can prevent simultaneously the reduction of heat recovery efficiency, can prevent the increase of recycle gas aeration resistance and the wearing and tearing of boiler tubing, can make the sensible heat yield form maximization simultaneously.Though this patent is blown into water vapour on device prechamber top, is not that to produce water-gas with the generating gasification reaction be main purpose, but becomes target value in order to adjust the prechamber temperature, make the heat that enters waste heat boiler.
Disclosed a kind of " with the method for coke-oven gas dry coke quenching and coke desulfurating " by Chinese Academy Of Sciences Process Engineering Research Institute in 2006, its publication number is CN1752180A.This patented invention dry coke quenching process circulation coke-oven gas realize the coke desulfurating method: promptly the circulation coke-oven gas replaces round-robin rare gas element in the original technology (mainly being nitrogen) in the quenching stove of dry coke quenching auxiliary.The endothermic pyrolysis reaction of the methane in the coal gas and coke-oven gas guarantee that with respect to the bigger heat transfer efficiency of nitrogen coal gas can more high efficiency quenching.The reaction of sulfide and organosulfur generates H in hydrogen in the coal gas and the coke
2S, thus reach the coke desulfurating purpose. and this patent has been used the method for coke-oven gas cooling coke, and the coke sulphur content is significantly reduced, and simultaneously, has reached the purpose of quick cooling coke.
CN101289620A discloses " coke dry quenching co-production synthesis gas and derived product methyl alcohol integral process thereof ".This process using low-pressure steam or low-pressure steam and coke-oven gas mixed gas absorb red burnt sensible heat as cooling gas, and generate synthetic gas with the red burnt water-gas reaction that takes place; Synthetic gas is after dedusting, be sent to the superheated vapour waste heat boiler and the low-pressure steam waste heat boiler carries out heat recuperation, output then, the superheated vapour waste heat boiler is produced superheated vapour, and the low-pressure steam waste heat boiler is produced the low-pressure steam of introducing coke dry quenching furnace as cooling gas; Or described superheated vapour is used for counter pressure turbine generating, the residue low-pressure steam after the back pressure generating is as the cooling gas of dry coke quenching, to save the low-pressure steam waste heat boiler.Top and bottom at coke quenching tower infeed water vapor respectively, and the water vapor that the top infeeds is mainly used in regulates the high temperature temperature of working off one's feeling vent one's spleen, and the water vapor that the bottom infeeds is used for water-gas reaction and absorbs red burnt sensible heat.This refrigerating unit and process for cooling thereof mix bottom cooling coal gas and water vapor and rise, and a large amount of coke sensible heats coal gas that is cooled absorbs, and has only the part high temperature heat to be used to water-gas reaction, and water-gas yields poorly.
Above-mentioned existing dry coke quenching method and device thereof, mainly be with nitrogen as circulation gas, produce CO, H
2And CH
4Deng gas, both wasted resource, contaminate environment again, and need supporting system N in this method
2Equipment, its apparatus structure complexity, equipment cost is higher, and the structure and the coke quenching method that press for its coke quenching device improve.
Summary of the invention
The present invention is based on the problem that existing dry coke quenching method and device thereof exist, its coke quenching device structure and coke quenching method are improved, to optimize quenching structure and method thereof is purpose, and will improve the quenching structural manufacturing process is one with producing the synthetic gas collection, and a kind of coke method of cooling and device thereof are provided.
The present invention is to its above-mentioned problem that will solve and the purpose that will realize, the technical scheme of being taked comprises that the section of prestoring, gasification cooling section, transition section, physics cooling section and discharge zone constitute, it is characterized in that capturing channel connection by gasification gas between top section of prestoring and gasification cooling section, middle part transition section and physics cooling are intersegmental to capture channel connection by high temperature coolant.
Wherein, the middle part is provided with cool gasification agent inlet, cool gasification agent sparger on the described gasification cooling section, gasification gas captures passage and the High Temperature Gas gasification exports; Described gasification gas is provided with the annular gas conduit around capturing passage, and offers the outlet of High Temperature Gas gasification, is provided with cool gasification agent sparger in the middle of gasification cooling section lower curtate, and its sparger is connected with lower end cool gasification agent inlet; Described physics cooling section bottom is provided with coolant entrance, refrigerant distribution device, high temperature coolant captures passage and high temperature coolant exports; Described high temperature coolant is provided with the annular gas conduit and offers the high temperature coolant outlet around capturing passage, is provided with the refrigerant distribution device in the middle of physics cooling section lower curtate, and this sparger is connected with coolant entrance; Vibrating feed in the described discharge zone is connected with the rotation blow-off valve, and the blow-off valve outlet is immersed in the wet method fluid-tight quenching groove, and coke is discharged after the current dedusting and exported by chapelet, perhaps under the blow-off valve outlet conveyor is set, and coke is exported by conveyor; Described steam feeds from cool gasification agent inlet, enter the gasification cooling section through cool gasification agent sparger, steam and the reaction of red-hot coke generating gasification, the synthetic gas that produces captures passage through gasification gas and discharges from the outlet of High Temperature Gas gasification, go to synthesize through dedusting cooling, perhaps with absorb the coke sensible heat after high temperature cooling medium-gas (coke-oven gas) mix, dedusting enters waste heat boiler then; Described coke-oven gas feeds from coolant entrance, enters the physics cooling section through the refrigerant distribution device, and coke-oven gas absorbs the coke sensible heat and enters waste heat boiler from the high temperature coolant outlet through dedusting after high temperature coolant captures passage.
The technical solution of the present invention compared with prior art, has the distinguishing feature that quenching and synthetic gas production are combined as a whole, this invention has proposed the gasification reaction cooling and the theory that segmentation is carried out is cooled off in the physics heat exchange, be about to steam and feed the gasification cooling section, utilize the water-gas gasification reaction to absorb the coke heat, in addition coke-oven gas is fed the physics cooling section, circulation coke-oven gas and hot coke heat make the high temperature coke cooling. and it mainly is to utilize hot coke and vapor generation water-gas gasification reaction that purpose is carried out in this invention segmentation, make most of heat of high temperature of coke be used for water-gas reaction, thereby can produce more water-gas. the purpose one that feeds coke-oven gas is the purity that guarantees to produce water-gas, the 2nd, reach the purpose of coke partial desulfurization. so this technology is the coal gas manufacturing of catchmenting, coke desulfurating and red burnt sensible heat are recovered as the dry coke quenching new technology of one.
The advantage and the positively effect of coke method of cooling of the present invention and device thereof also are, reach identical cooling performance by heat balance calculating, if Ventilation Rate can reduce by 31.7% identical cooling time, whenever put out 1t coke consumption water vapour 10.8m
3, consuming carbon 50.3kg, gasification gas is formed CO, CO
2, H
2And H
2O is respectively 40.81%, 3.77%, 48.36% and 7.06%, and it is about 33.4% that synthetic gas increases, and pure output increases by 29.4%.Utilize the recyclable high temperature coke sensible heat 83% of this method, the burnt about 1.35GJ of heat that reclaims of ton.This method also makes coke quality improve, and records shatter strength M40 by the rotary drum experiment and improves approximately 4%, and coke is at high temperature reacted with carbonic acid gas, and coke rate of weight loss and physical strength thereof record coke reactivity CRI and reduce by 0.3% behind the assaying reaction then.The present invention efficiently utilizes the heat of high temperature of coke, and is translated into synthetic gas, and has the advantages that to reclaim the coke sensible heat and improve coke quality, is a kind of novel coke method of cooling.
Description of drawings
Fig. 1 is the structural representation of coke refrigerating unit of the present invention
Fig. 2 is the graph of a relation of carbon of the present invention and water vapour equilibrium constant of reaction and temperature
Among the figure: 1: the section of prestoring; 2: the gasification cooling section; 3: transition section; 4: the physics cooling section; 5: discharge zone; 6: the coke inlet; 7: cool gasification agent inlet; 8: cool gasification agent sparger; 9: gasification gas captures passage; 10: the outlet of High Temperature Gas gasification; 11: coolant entrance; 12: the refrigerant distribution device; 13: high temperature coolant captures passage; 14: the high temperature coolant outlet; 15: vibrating feed; 16: the rotation blow-off valve; 17: chapelet; 18: wet method fluid-tight quenching groove.
Embodiment
Describe technical scheme of the present invention below for example in detail, enable those skilled in the art to realize being as the criterion, this embodiment also can reach effect of the present invention simultaneously.
Coke refrigerating unit of the present invention as shown in Figure 2, this device is divided into five sections, is the section of prestoring 1, gasification cooling section 2, transition section 3, physics cooling section 4 and discharge zone 5 from top to bottom successively.Capture passage 9 by gasification gas between the section of prestoring on top 1 and the ensuing gasification cooling section 2 and link to each other, link to each other by high temperature coolant capture passage 13 between the transition section 3 at middle part and the ensuing physics cooling section 4.Cool gasification agent inlet 7 in the middle part of gasification cooling section 2 is gone up by device, cool gasification agent sparger 8, gasification gas capture passage 9 and High Temperature Gas gasification outlet 10 is formed, around capturing passage 9, gasification gas is provided with the annular gas conduit, and offer High Temperature Gas gasification outlet 10, be provided with cool gasification agent sparger 8 in the middle of gasification cooling section 2 lower curtates, the cool gasification agent inlet 7 of this sparger below it links to each other.Physics cooling section 4 is made up of coolant entrance 11, refrigerant distribution device 12, high temperature coolant capture passage 13 and the high temperature coolant outlet 14 of bottom of device, around high temperature coolant captures passage 13, be provided with the annular gas conduit and offer high temperature coolant outlet 14, be provided with refrigerant distribution device 12 in the middle of physics cooling section 4 lower curtates, the coolant entrance 11 of this sparger below it links to each other.Vibrating feed 15 links to each other with rotation blow-off valve 16 in the discharge zone 5, is immersed in the wet method fluid-tight quenching groove 18, and coke is discharged after the current dedusting and exported by chapelet 17, perhaps under the blow-off valve outlet conveyor is set, and coke is exported by conveyor.
Method of cooling used in the present invention is that steam and coke-oven gas are fed two sections respectively, be that steam feeds gasification cooling section 2, the generating gasification reaction also produces synthetic gas, coke-oven gas feeds physics cooling section 4, carrying out the physics heat exchange with coke. steam feeds from cool gasification agent inlet 7, enter gasification cooling section 2 through cool gasification agent sparger 8, steam and the reaction of red-hot coke generating gasification, the synthetic gas that produces captures passage 9 through gasification gas and discharges from High Temperature Gas gasification outlet 10, go to synthesize through the dedusting cooling, perhaps with absorb the coke sensible heat after high temperature cooling medium-gas (coke-oven gas) mix, dedusting enters waste heat boiler then. and coke-oven gas feeds from coolant entrance 11, enter physics cooling section 4 through refrigerant distribution device 12, coke-oven gas absorbs the coke sensible heat and enters waste heat boiler from high temperature coolant outlet 14 through dedusting after high temperature coolant captures passage 13. and this coke method of cooling is to adopt the gasification cooling to cool off the method that combines with physics, its objective is the change product structure, its product can be used for producing water-gas.
The present invention utilizes water vapor and coke-oven gas to substitute existing nitrogen cooling coke, and two kinds of gas segmentations are fed, and feeds water vapour at epimere and utilizes gasification reaction to absorb the coke heat, produces synthetic gas simultaneously, at hypomere for avoiding synthetic gas CO, H
2The reduction of content feeds coke-oven gas, utilizes the composition characteristics higher than nitrogen specific heat in the coke-oven gas simultaneously, reduces coke cooling time.The present invention proposes the theory that gasification reaction cooling and physics heat exchange cooling segmentation are carried out, promptly high temperature coke is at first carried out the cooling of water-gas gasification reaction, when being cooled to 800 ℃, enter physics heat exchange cooling section.
The following reaction of water-gas gasification mainly carrying out:
C+H
2O＝CO+H
2-118821(J/mol)，
C+2H
2O＝CO
2+2H
2-76841(J/mol)，
Decomposition and CO along with water vapour
2The carrying out of reduction reaction, H
2Constantly increase water vapour and CO with the growing amount of CO
2Constantly descend.
To significant carbon and the water vapour reaction of gasifying, a large amount of studies show that, its first set reaction is
C+H
2O＝CO+H
2-Q
But in the presence of excessive water steam, reaction has taken place then again
CO+H
2O＝CO
2+H
2+Q
These two reactions are combined, promptly got the reaction of two molecular water steams and carbon
C+2H
2O＝CO
2+2H
2-Q
These two water vapour equilibrium constant of reaction and temperature relation synoptic diagram are as shown in Figure 1, two reaction equilibrium constants vary with temperature the trend difference, one water equilibrium constant of reaction increases faster when high temperature, and two water reaction proportions increase when low temperature, can relatively improve CO content and reduce CO so improve temperature
2Content.
Be benchmark with the 1t coke below, drop to 800 ℃ at gasification cooling section coke from 950 ℃, it is almost suitable with the heat that above-mentioned two reactions are absorbed that coke temperature reduces the heat that is discharged, and the chemical equilibrium constant calculating formula is arranged again, as follows:
By EQUILIBRIUM CALCULATION FOR PROCESS, whenever put out the 1t coke and need feed water vapour 55.2m
3, consume water steam 48.21m
3, consume carbon 23.8kg, produce gasification gas 99.6m
3, it consists of CO 40.81%, CO
23.77%, H
248.36%, H
2O 7.06%.
If feed nitrogen, establish 300 ℃ of air inlet temperatures under the same conditions, air outlet temperature is by 950 ℃, by G (c
1t
1-c
2t
2)=V (c '
2T '
2-c '
1T '
1) must V
N2=326.3m
3
At the physics cooling section, establish coke-oven gas and consist of H
255%, CH
425%, CO 15%, N
25%, 300 ℃ of air inlet temperatures, 800 ℃ of air outlet temperatures, coke are cooled to 250 ℃.So according to heat balance G (c
1t
1-c
2t
2)=V (c '
2T '
2-c '
1T '
1) must required coke-oven gas V
Coal gas=1005.2m
3. if use nitrogen to do refrigerant, required nitrogen V '=1225.2m in this stage
3
At whole cooling stages, water vapor and coke-oven gas need 1060.2m altogether
3, reaching identical cooling performance nitrogen needs 1551.5m altogether
3, the consumption of water vapor and coke-oven gas is 68.33% of a nitrogen, when identical speed air inlet, uses the coke-oven gas Dry Quenching Technology so, and can reduce by 31.7% cooling time, and the circulation gas scale of construction can reduce by 31.7% under identical cooling time in other words.
Below by concrete enforcement a kind of coke refrigerating unit and the method that the present invention proposes is described in further detail, this professional those of ordinary skill is after having read concrete enforcement of the present invention, can understand and implement the present invention, and this concrete enforcement is a detailed description of the invention, the present invention is not made any restriction.
Its embodiment is: temperature is that 900～1050 ℃ high temperature coke (also claiming red Jiao) enters the quenching stove from quenching oven coke inlet 6, and through the section of prestoring 1, it is descending to enter gasification cooling section 2 under action of gravity; The temperature that feeds from cool gasification agent inlet 7 is 450 ± 10 ℃, pressure is that superheated vapour or the temperature of 3.5～4.0MPa is 120～200 ℃, the low-pressure steam of the about 0.1～1.5MPa of pressure, it is up to enter gasification cooling section 2 through cool gasification agent sparger 8, heat up with descending high temperature coke heat exchange, and with high temperature coke generating gasification reaction, as C+H
2O → CO+H
2, C+2H
2O → CO
2+ 2H
2, gasification reaction absorbs a large amount of coke sensible heats, and coke temperature is reduced, and this reacts the small-particle or the big charcoal reaction of property at parts of edges and corners specific surface of main and coke surface, and is little to the influence of big lump coke.Gasification gas that generates and responseless water vapour capture passage 9 through gasification gas, High Temperature Gas gasification outlet 10 outputs, preliminary cooled coke enters physics cooling section 4 by transition section 3, with from bottom coolant entrance 11, the refrigerant that rises through refrigerant distribution device 12 is at physics cooling section 4 countercurrent flows, and the high temperature coolant after the heat exchange captures passage 13 from high temperature coolant outlet 14 outputs through high temperature coolant; Temperature is that 150～200 ℃ coke enters discharge zone and enters wet method fluid-tight quenching groove 18 through vibrating feed 15 and rotation blow-off valve 16 after cooling off, and exports after the current dedusting, perhaps under the blow-off valve outlet conveyor is set, and coke is exported by conveyor.
High temperature coke (800～1050 ℃) at first carries out the cooling of water-gas gasification reaction, when being cooled to 800 ℃, enters physics heat exchange cooling section.The vapor absorption part coke sensible heat that at first feeds, reach certain temperature after, the water-gas gasification reaction has taken place, mainly carry out following two reactions: (1) C+H
2O=CO+H
2-118821 (J/mol), (2) C+2H
2O=CO
2+ 2H
2-76841 (J/mol) because these two reactions are thermo-negative reaction, have not only reduced coke temperature, and have generated water-gas in this process.Enter physics heat exchanging segment cooling segment then, the gas that patent of the present invention feeds is coke-oven gas, absorbs the coke sensible heat by coke-oven gas, and its purpose one is a cooling coke, the 2nd, guarantee H in the synthetic gas
2, CO content is higher, so pure fuel yield can be than higher.
Claims (7)
1. coke refrigerating unit, it contains the section of prestoring (1), gasification cooling section (2), transition section (3), physics cooling section (4) and discharge zone (5), it is characterized in that the top section of prestoring (1) captures passage (9) with gasification cooling section (2) by gasification gas and is communicated with, middle part transition section (3) captures passage (13) with physics cooling section (4) by high temperature coolant and is communicated with.
2. the described coke refrigerating unit of claim 1, the cooling section (2) that it is characterized in that gasifying is the middle part of going up that is positioned at the coke refrigerating unit, be provided with cool gasification agent sparger (8) in the middle of the lower curtate of gasification cooling section (2), cool gasification agent sparger (8) is connected with lower end cool gasification agent inlet (7); Gasification gas on gasification cooling section (2) top captures passage (9) and is provided with the annular gas conduit on every side, and is provided with High Temperature Gas gasification outlet (10).
3. the described coke refrigerating unit of claim 1, it is characterized in that physics cooling section (4) is the bottom that is positioned at the coke refrigerating unit, be provided with refrigerant distribution device (12) in the middle of physics cooling section (4) lower curtate, this refrigerant distribution device (12) is connected with coolant entrance (11); High temperature coolant on physics cooling section (4) top captures passage (13) and is provided with the annular gas conduit on every side, and is provided with high temperature coolant outlet (14).
4. the described coke refrigerating unit of claim 1, it is characterized in that the vibrating feed (15) in the discharge zone (5) is connected with rotation blow-off valve (16), the blow-off valve outlet is immersed in the wet method fluid-tight quenching groove (18), coke is discharged after the current dedusting and is exported by chapelet (17), and perhaps the blow-off valve outlet is arranged with conveyor output coke.
5. a method of cooling that is used for the described coke refrigerating unit of claim 1 is characterized in that steam and coke-oven gas are fed gasification cooling section (2) and physics cooling section (4) respectively, carries out heat exchange with coke and carries out cooling coke.
6. the method for cooling of the described coke refrigerating unit of claim 5, it is characterized in that steam feeds from cool gasification agent inlet (7), enter gasification cooling section (2) through cool gasification agent sparger (8), steam and the reaction of red-hot coke generating gasification, the synthetic gas that produces captures passage (9) through gasification gas and discharges from High Temperature Gas gasification outlet (10), go to synthesize through dedusting cooling, perhaps with absorb the coke sensible heat after the high temperature cooling coke-oven gas mix, dedusting enters waste heat boiler then.
7. the method for cooling of the described coke refrigerating unit of claim 5, it is characterized in that coke-oven gas feeds from coolant entrance (11), enter physics cooling section (4) through refrigerant distribution device (12), coke-oven gas absorbs the coke sensible heat and enters waste heat boiler after high temperature coolant captures passage (13) from high temperature coolant outlet (14).
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|---|---|---|---|
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|---|---|---|---|
| CN2009100758598A CN101705101B (en) | 2009-10-29 | 2009-10-29 | Device and method for cooling coke |
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| CN101705101B CN101705101B (en) | 2012-08-22 |
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| DE3112256C2 (en) * | 1981-03-27 | 1987-02-12 | Hartung, Kuhn & Co Maschinenfabrik GmbH, 4000 Düsseldorf | Process for utilizing waste heat and for obtaining water gas from the cooling of glowing coke ejected from a chamber furnace |
| CN1752180A (en) * | 2004-09-23 | 2006-03-29 | 中国科学院过程工程研究所 | Method with coke-oven gas dry coke quenching and coke desulfurating |
| JP2007262293A (en) * | 2006-03-29 | 2007-10-11 | Jfe Steel Kk | Method for cooling down coke dry-quenching facility |
| CN101289620B (en) * | 2008-05-12 | 2012-03-21 | 烟台同业化工技术有限公司 | Integration process of coke dry quenching co-production synthesis gas and downstream products thereof of methanol |
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