CN103275757A - Oil-gas coupling poly-generation method in coal chemical engineering industry - Google Patents
Oil-gas coupling poly-generation method in coal chemical engineering industry Download PDFInfo
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Abstract
The invention provides an oil-gas coupling poly-generation method in the coal chemical engineering industry. The oil-gas coupling poly-generation method comprises the following steps of: treating and dividing coal tar into heavy oil fraction, crude phenol, dephenolized oil, crude naphthalene, naphthalene-removed oil and washing oil by virtue of a normal-pressure distillation system and a chemical-removing system; discharging the crude phenol and the washing oil; feeding the heavy oil fraction, the washing oil, the dephenolized oil and the naphthalene-removed oil to an oil-gas coupling system; treating the coal gas to obtain LPG (Liquefied Petroleum Gas), petrol, durene and dealkylation heavy oil by virtue of a methanol conversion system and an MTG (Methanol To Gasoline) system; discharging the LPG, the petrol and the durene; feeding the dealkylation heavy oil to the oil-gas coupling system and carrying out coupling hydrogenation treatment in the oil-gas coupling system to obtain naphtha and diesel oil. According to the oil-gas coupling poly-generation method in the coal chemical engineering industry disclosed by the invention, the tar and the coal gas are effectively coupled, so that the resource waste is avoided; the high-additional value oil and chemicals including phenol, naphthalene, aromatic hydrocarbon and the like are generated, so that the direct emission of coal gas and the car is prevente, and therefore, the environment pollution is reduced and the method is more friendly to the environment.
Description
Technical field
The invention belongs to coal chemical technology, relate to oil in the Coal Chemical Industry industry, gas coupling Poly-generation technology, relate in particular to the method for oil gas coupling Poly-generation in a kind of Coal Chemical Industry industry.
Background technology
Existing Coal Chemical Industry industry comprises coking, the dry distillation of coal, gasification, DCL/Direct coal liquefaction and indirect liquefaction etc., all can produce gas and tar in wherein coking, the dry distillation of coal, the gasification.At present, in the coking industry, the coke-oven gas that the coke-oven plant produces and the tar great majority are discharged or direct burn processing, this way contaminate environment, waste resource.Recycling to coke-oven gas also only limits to synthesizing methanol, and added value of product is not high; In the dry distillation of coal industry, for pyrolysis gas and tar that pyrolysis produces, more single to the coal tar processing means at present, product price is lower; The direct burn processing of pyrolysis gas, waste resource pollution environment.In the gasification industry, can produce part tar, existing gasification plant major part adopts distillation to this part tar and extracts the method for chemical, and mink cell focus is not used, and can produce phenols sewage in this technology, and the products obtained therefrom quality is low, and is cheap.
If can develop a kind of technology, the oil in the Coal Chemical Industry industry, gas are effectively utilized, can improve the integral benefit of Coal Chemical Industry industry, reduce environmental pollution.
Summary of the invention
It is low that the object of the invention is to solve in the prior art coal gas and tar utilization ratio, and the problem that added value of product is low provides the method for oil gas coupling Poly-generation in a kind of Coal Chemical Industry industry, improves coal gas and tar utilization ratio, produces high value added product.
For achieving the above object, the present invention is by the following technical solutions:
The method of oil gas coupling Poly-generation in a kind of Coal Chemical Industry industry may further comprise the steps:
(1) the frequent decompression distillation system of coal tar and take off the chemical system handles and be divided into heavy oil fraction, crude phenols, dephenolize oil, thick naphthalene, take off naphtalene oil and washing oil, crude phenols and thick naphthalene are discharged as product, heavy oil fraction, washing oil, dephenolize oil and take off naphtalene oil and send into the oil gas coupled system; The coal gas that produces in the Coal Chemical Industry industry obtains LPG, gasoline, durol and takes off the hydrocarbon mink cell focus through methanol conversion system and MTG system handles, and LPG, gasoline and durol are discharged as product, take off the hydrocarbon mink cell focus and send into the oil gas coupled system;
(2) enter the oil gas coupled system heavy oil fraction, washing oil, dephenolize oil, take off naphtalene oil and take off and carry out coupling hydro after the hydrocarbon mink cell focus mixes and handle and obtain petroleum naphtha and diesel oil.
The frequent decompression distillation system of coal tar with the concrete grammar that takes off the chemical system handles is in the described step (1): coal tar is divided into light oil fraction and heavy oil fraction through the distillation of normal pressure distillation tower, light oil fraction enters vacuum still again and is cut into carbolic oil, naphtalene oil and washing oil, carbolic oil obtains crude phenols and dephenolize oil through proposing the phenol processing, and naphtalene oil obtains thick naphthalene and takes off naphtalene oil through proposing the naphthalene processing.
Coal gas through the concrete grammar of methanol conversion system and MTG system handles is: coal gas obtains thick methyl alcohol through the methanol conversion system handles, and thick methyl alcohol is sent into the MTG system handles and obtained LPG, gasoline, durol and take off the hydrocarbon mink cell focus.
The concrete grammar that coal gas is produced thick methyl alcohol through the methanol conversion system handles is: coal gas enters in the low-temperature rectisol reactor and removes CO
2, SO
2And COS, enter the pure oxygen catalytic partial oxidation conversion system then, with the CH in the coal gas
4And C
mH
nChange into CO and H
2, be converted into thick methyl alcohol finally by the methyl alcohol synthesizer.
The concrete grammar that thick methyl alcohol is sent into the MTG system handles is: thick methyl alcohol generates the methyl alcohol synthetic oil through the MTG reactor, the methyl alcohol synthetic oil carries out gas-liquid separation through degassing tower, isolated liquid enters that the liquefied gas knockout tower obtains the C3 hydrocarbon and the C4 hydrocarbon mixture is LPG, with the above hydro carbons of C4 be raw gasline, raw gasline is sent into rectifying tower and is handled and to obtain petroleum naphtha and heavy petrol, and heavy petrol enters that rectifying tower obtains durol and to taking off the hydrocarbon mink cell focus.
The concrete grammar that coupling hydro is handled in the described step (2) is: heavy oil fraction, washing oil, dephenolize oil, take off naphtalene oil and take off the hydrocarbon mink cell focus and mix the back and carry out pre-treatment with hydrogen reaction, feed again into the hydrofining reactor processing and obtain the thick oil product of hydrogenation, the thick oil product of hydrogenation enters gas-liquid separator and carries out gas-liquid separation, isolate hydrogen and thick oil product, thick oil product enters and carries out the cut cutting in the separation column, obtains petroleum naphtha and diesel oil.
The mixture of one or more in the coal tar that described coal tar is the coal tar that produces of coking, pyrolysis produces, the tar that gasification produces.
The mixture of one or more in the coke(oven)gas that described coal gas is the pyrolysis gas that produces of pyrolysis, coking produces, the synthetic gas that gasification produces.
Compared with prior art, beneficial effect of the present invention is:
(1) maximally utilises in the Coal Chemical Industry industry and to produce the coal tar oil and gas tar and coal gas effectively are coupled, avoid the wasting of resources, produce chemicals such as high added value oil product and phenol, naphthalene, aromatic hydrocarbons, solution has coal gas now, tar processing means mode is single, the problem that product price is lower has more economy.
(2) the further coupling hydro of mink cell focus that tar distillation is produced is handled, and solves the method that prior art tar adopts the distillation extraction chemical, the problem that mink cell focus is not used.
(3) avoid coal gas and tar to be discharged or direct burn processing, reduce environmental pollution, environmental protection more.
(4) technological flexibility is strong, and multiple coal gas and the coal tar of Coal Chemical Industry industry all can be made raw materials for production, applicable to the coking industry, are applicable to dry distillation of coal industry again, also are applicable to the gasification industry.
Description of drawings
Fig. 1 is that system of the present invention forms structure iron.
Fig. 2 is the process flow sheet of the embodiment of the invention one.
Fig. 3 is the process flow sheet of the embodiment of the invention two.
1 tar storage tank, 2 atmospheric distillation towers, 3 vacuum stills, 4 mink cell focus tempering tanks, 5 soda-wash towers, 6 decomposition towers, 7 naphthalene distillation towers, 8 gas holders, 9 low-temperature rectisol reactors, 10 pure oxygen catalytic partial oxidation conversion systems, 11 methyl alcohol synthesizers, 12MTG reactor, 13 degassing towers, 14 liquefied gas knockout towers, 15 rectifying tower, 16 aromatic hydrocarbons rectifying tower, 17 pressure-swing absorption apparatuss, 18 pre-hydrogenators, 19 hydrofining reactors, 20 gas-liquid separators, 21 separation columns, 22 raw coal screening plants, 23 gas retorts, 24 pit kiln, 25 efficient cyclones, 26 vapourizing furnaces.
Embodiment
Describe the present invention below in conjunction with accompanying drawing:
As shown in Figure 1, be the composition structure iron of system of the present invention.
Oil gas coupling polygenerations systeme comprises the A of atmospheric and vacuum distillation system in the Coal Chemical Industry industry, takes off the B of chemical system, the C of methanol conversion system, the D of MTG system and oil gas coupled system E.The A of atmospheric and vacuum distillation system is raw material with coal tar, be provided with 4 outlets, be respectively that carbolic oil outlet, naphtalene oil export, washing oil exports, the mink cell focus outlet, carbolic oil outlet, naphtalene oil outlet, washing oil export and take off the B of chemical system entrance and link to each other, and mink cell focus exports and links to each other with oil gas coupled system E.
Take off the B of chemical system and be provided with 2 products exports and 1 intermediate outlet, 2 products exports are respectively crude phenols products export and thick naphthalene products export, the outlet of 1 intermediate for dephenolize oil, take off naphtalene oil, washing oil, mink cell focus mixture outlet, dephenolize oil, take off naphtalene oil, washing oil links to each other with oil gas coupled system E entrance with the mink cell focus mixture outlet.
The C of methanol conversion system is raw material with coal gas, and outlet links to each other with the D of MTG system entrance.
The D of MTG system is provided with 3 products exports and 1 intermediate outlet, products export is respectively LPG products export, gasoline products outlet, durol products export, 1 intermediate outlet is taken off the outlet of hydrocarbon mink cell focus and is linked to each other with oil gas coupled system E entrance for taking off the outlet of hydrocarbon mink cell focus.
Oil gas coupled system E is provided with 2 products exports, is respectively naphtha product outlet and diesel product outlet.
Technology below in conjunction with 2 pairs of systems of the present invention of accompanying drawing is described in detail.
Embodiment one
The A of atmospheric and vacuum distillation system comprises tar storage tank 1, atmospheric distillation tower 2, vacuum still 3.Tar storage tank 1 links to each other with the entrance of atmospheric distillation tower 2, the lightweight oil outlet on atmospheric distillation tower 2 tops links to each other with vacuum still 3 entrances, the mink cell focus outlet of atmospheric distillation tower 2 bottoms links to each other with mink cell focus tempering tank 4 entrances among the oil gas coupled system E, the outlet of vacuum still 3 top carbolic oil links to each other with soda-wash tower 5 entrances in taking off the B of chemical system, the outlet of vacuum still 3 middle part naphtalene oils links to each other with naphthalene rectifying tower 7 entrances in taking off the B of chemical system, and vacuum still 3 bottom washing oil export with mink cell focus tempering tank 4 entrances among the oil gas coupled system E and link to each other.
Take off the B of chemical system and comprise soda-wash tower 5, decomposition tower 6, naphthalene rectifying tower 7.Soda-wash tower 5 outlet at bottoms link to each other with decomposition tower 6 entrances, and soda-wash tower 5 top dephenolize oil exports link to each other with mink cell focus tempering tank 4 entrances among the oil gas coupled system E.Naphthalene rectifying tower 7 bottoms are taken off naphtalene oil outlet and are linked to each other with mink cell focus tempering tank 4 entrances among the oil gas coupled system E.
The C of methanol conversion system comprises gas holder 8, low-temperature rectisol reactor 9, pure oxygen catalytic partial oxidation conversion system 10, methyl alcohol synthesizer 11.Gas holder 8 links to each other with low-temperature rectisol reactor 9 entrances, 9 outlets of low-temperature rectisol reactor link to each other with pure oxygen catalytic partial oxidation conversion system 10 entrances, 10 outlets of pure oxygen catalytic partial oxidation conversion system link to each other with methyl alcohol synthesizer 11 entrances, methyl alcohol synthesizer 11 liquid exits link to each other with MTG reactor 12 entrances, and methyl alcohol synthesizer 11 pneumatic outlets link to each other with transformation adsorber 17 entrances among the oil gas coupled system E.
The D of MTG system comprises MTG reactor 12, degassing tower 13, liquefied gas knockout tower 14, rectifying tower 15, aromatic hydrocarbons rectifying tower 16.12 outlets of MTG reactor link to each other with degassing tower 13 entrances, degassing tower 13 pneumatic outlets link to each other with gas holder 8, degassing tower 13 liquid exits link to each other with liquefied gas knockout tower 14 entrances, liquefied gas knockout tower 14 outlet at bottoms link to each other with rectifying tower 15 entrances, rectifying tower 15 outlet at bottoms link to each other with aromatic hydrocarbons rectifying tower 16 entrances, and the hydrocarbon ils outlet of taking off of aromatic hydrocarbons rectifying tower 16 bottoms links to each other with mink cell focus tempering tank 4 among the oil gas coupled system E.
Oil gas coupled system E comprises mink cell focus tempering tank 4, transformation adsorber 17, pre-hydrogenator 18, hydrofining reactor 19, gas-liquid separator 20, separation column 21 compositions.17 outlets of transformation adsorber link to each other with pre-hydrogenator 18 gas inletes, hydrogenator 19 gas inletes respectively, 4 outlets of mink cell focus tempering tank link to each other with pre-hydrogenator 18 liquid inlets, pre-hydrogenator 18 outlets link to each other with hydrofining reactor 19 liquid inlets, hydrofining reactor 19 outlets link to each other with gas-liquid separator 20 entrances, gas-liquid separator 20 liquid exits link to each other with separation column 21 entrances, and gas-liquid separator 20 pneumatic outlets link to each other with pressure-swing absorption apparatus 17 entrances.
Adopt the Poly-generation method of this polygenerations systeme processing coal tar oil and gas specific as follows:
With the coal tar that coking produces, any 2 mixture is raw material in the tar that the coal tar that pyrolysis produces or gasification produce or above 3 the mixture or above 3, sends into the A of atmospheric and vacuum distillation system,
Tar enters in the atmospheric distillation tower 2 through tar storage tank 1, the heavy oil fraction that tar is divided into the light oil fraction of boiling point≤270 ℃ and boiling point＞270 ℃, light oil fraction enters vacuum still 3 and is cut into carbolic oil (IBP～210 ℃), naphtalene oil (210～230 ℃), washing oil (230～270 ℃), and heavy oil fraction and washing oil are sent to the mink cell focus tempering tank 4 among the oil gas coupled system E.
Taking off the B of chemical system is raw material with carbolic oil, the naphtalene oil that the A of atmospheric and vacuum distillation system produces, carbolic oil enters soda-wash tower 5, the NaOH eluant solution of usefulness massfraction 5%～10% extracts the phenols in the carbolic oil in soda-wash tower 5, the top obtains dephenolize oil, the bottom obtains the crude phenols sodium solution, the crude phenols sodium solution enters decomposition tower 6 tops, is 10%～16% CO with containing volume fraction
2The back flow of gas contact generates crude phenols and soda ash solution.Carbolic oil is put forward the phenol technology and is not limited only to NaOH eluant solution method herein, also can adopt the precipitator method and solvent extration, can select to put forward the phenol technology according to practical situation.Naphtalene oil enters naphthalene rectifying tower 7 and reclaims thick naphthalene, and the top obtains thick naphthalene, and the bottom obtains taking off naphtalene oil, dephenolize oil and take off naphtalene oil and enter mink cell focus tempering tank 4 and mixes with washing oil that the heavy distillate that produces through the normal pressure distillation, underpressure distillation produce and prepare against hydrogenation usefulness.
Any 2 gas mixture is raw material in the synthetic gas that the pyrolysis gas that produces with pyrolysis, the coke(oven)gas that coking produces or gasification produce or above 3 gas mixtures or 3, enter among the C of methanol conversion system, coal gas enters low-temperature rectisol reactor 9 through gas holder 8, gas removal CO
2, SO
2, behind the impurity such as COS, enter pure oxygen catalytic partial oxidation conversion system 10, with the CH in the coal gas
4Change into synthetic gas effective constituent CO and H with CmHn
2, synthesis gas through methanol synthesizer 11 is converted into thick methyl alcohol, and unreacted synthesis gas enters pressure-swing absorption apparatus 17 through methyl alcohol synthesizer 11 pneumatic outlets and produces hydrogen for hydrogenation of tar hydrogen.
The D of MTG system is raw material with the thick methyl alcohol that the C of methanol conversion system produces, through MTG reactor 12, generate the methyl alcohol synthetic oil, comprise about 89% gasoline, 10% LPG, 1% fuel gas, the methyl alcohol synthetic oil carries out gas-liquid separation through degassing tower 13, unreacted synthesis gas, C1～C2 hydro carbons enters gas holder 8 through the degassing tower top and recycles, liquid enters liquefied gas knockout tower 14, and cat head obtains the C3 hydrocarbon and the C4 hydrocarbon mixture is LPG, is that the above hydro carbons of C4 is raw gasline at the bottom of the tower, raw gasline enters rectifying tower 15, the top obtains petroleum naphtha, and the bottom obtains heavy petrol, and heavy petrol enters rectifying tower 16, cat head obtains durol, obtain at the bottom of the tower taking off the hydrocarbon mink cell focus, take off the hydrocarbon mink cell focus and enter mink cell focus tempering tank 4 and the A of atmospheric and vacuum distillation system generation mink cell focus, take off the dephenolize oil that the chemical system produces, take off naphtalene oil, washing oil is made hydrogenating materials after mixing.
The mink cell focus that oil gas coupled system E produces with the A of atmospheric and vacuum distillation system, take off the dephenolize oil that the B of chemical system produces, take off naphtalene oil, washing oil, the hydrocarbon mink cell focus that takes off that the D of MTG system produces is raw material, enter mink cell focus tempering tank 4 after the mixing, oil product in the mink cell focus tempering tank 4 enters pre-hydrogenator 18, hydrogen reaction with pressure-swing absorption apparatus 17 generations, carry out pre-treatment, enter hydrofining reactor 19 again and obtain the thick oil product of hydrogenation, the thick oil product of hydrogenation enters gas-liquid separator 20 and carries out gas-liquid separation, unreacting gas enters pressure-swing absorption apparatus 17 and recycles, and thick oil product enters and carries out the cut cutting in the separation column 21, produces petroleum naphtha and diesel oil.
Embodiment two
In order further to improve total system, can increase raw coal pretreatment system F.Fig. 3 is seen in concrete technical process
The F of raw materials pretreatment system comprises raw coal screening plant 22, gas retort 23, pit kiln 24, efficient cyclone 25, vapourizing furnace 26 compositions.The coking coal outlet of raw coal screening plant 22 links to each other with pit kiln 24, and the non-coking coal outlet links to each other with gas retort 23, and the powder coal export links to each other with vapourizing furnace 26.The pneumatic outlet of the pneumatic outlet of gas retort 23, vapourizing furnace 26 links to each other with efficient cyclone 25 entrances, the pneumatic outlet of pit kiln 24 links to each other with gas holder 8 entrances among the C of methanol conversion system, the solid outlet of the solid outlet of gas retort 23, pit kiln 24 links to each other with vapourizing furnace 26 entrances, efficient cyclone 25 liquid exits link to each other with tar storage tank 1 entrance among the A of atmospheric and vacuum distillation system, and efficient cyclone 25 pneumatic outlets link to each other with gas holder 8 entrances among the C of methanol conversion system.
Feed coal is divided into powder coal (particle diameter≤20mm) and lump coal (particle diameter〉20mm) through raw coal screening plant 22, the powder coal is all sent to vapourizing furnace 26 as gasification, in the lump coal coking property and agglutinating value(of coal) preferably coal send to pit kiln 24 and do coking coal, all the other coals are sent to gas retort 23 and are done destructive distillation and use in the lump coal.The coke that the semicoke solid that gas retort 23 produces and pit kiln 24 produce is sent to vapourizing furnace 26 and is made gasification usefulness, the raw gas that the raw gas that gas retort 23 produces, vapourizing furnace 26 produce enters and enters gas holder 8 after efficient cyclone 25 is isolated tar, tar enters tar storage tank 1, and the coke(oven)gas that pit kiln 24 produces directly enters gas holder 8.All the other processes are identical with embodiment one.
Claims (8)
1. the method for oil gas coupling Poly-generation in the Coal Chemical Industry industry is characterized in that may further comprise the steps:
(1) the frequent decompression distillation system of coal tar and take off the chemical system handles and be divided into heavy oil fraction, crude phenols, dephenolize oil, thick naphthalene, take off naphtalene oil and washing oil, crude phenols and thick naphthalene are discharged as product, heavy oil fraction, washing oil, dephenolize oil and take off naphtalene oil and send into the oil gas coupled system; The coal gas that produces in the Coal Chemical Industry industry obtains LPG, gasoline, durol and takes off the hydrocarbon mink cell focus through methanol conversion system and MTG system handles, and LPG, gasoline and durol are discharged as product, take off the hydrocarbon mink cell focus and send into the oil gas coupled system;
(2) enter the oil gas coupled system heavy oil fraction, washing oil, dephenolize oil, take off naphtalene oil and take off and carry out coupling hydro after the hydrocarbon mink cell focus mixes and handle and obtain petroleum naphtha and diesel oil.
2. the method for oil gas coupling Poly-generation in the Coal Chemical Industry industry according to claim 1, it is characterized in that: the frequent decompression distillation system of coal tar with the concrete grammar that takes off the chemical system handles is in the described step (1): coal tar is divided into light oil fraction and heavy oil fraction through normal pressure distillation tower (2) distillation, light oil fraction enters vacuum still (3) again and is cut into carbolic oil, naphtalene oil and washing oil, carbolic oil obtains crude phenols and dephenolize oil through proposing the phenol processing, and naphtalene oil obtains thick naphthalene and takes off naphtalene oil through proposing the naphthalene processing.
3. the method for oil gas coupling Poly-generation in the Coal Chemical Industry industry according to claim 1, it is characterized in that: coal gas through the concrete grammar of methanol conversion system and MTG system handles is: coal gas obtains thick methyl alcohol through the methanol conversion system handles, and thick methyl alcohol is sent into the MTG system handles and obtained LPG, gasoline, durol and take off the hydrocarbon mink cell focus.
4. the method for oil gas coupling Poly-generation in the Coal Chemical Industry industry according to claim 3, it is characterized in that: the concrete grammar that coal gas is produced thick methyl alcohol through the methanol conversion system handles is: coal gas enters in the low-temperature rectisol reactor (9) and removes CO
2, SO
2And COS, enter pure oxygen catalytic partial oxidation conversion system (10) then, with the CH in the coal gas
4And C
mH
nChange into CO and H
2, be converted into thick methyl alcohol finally by methyl alcohol synthesizer (11).
5. the method for oil gas coupling Poly-generation in the Coal Chemical Industry industry according to claim 3, it is characterized in that: the concrete grammar that thick methyl alcohol is sent into the MTG system handles is: thick methyl alcohol generates the methyl alcohol synthetic oil through MTG reactor (12), the methyl alcohol synthetic oil carries out gas-liquid separation through degassing tower (13), isolated liquid enters that liquefied gas knockout tower (14) obtains the C3 hydrocarbon and the C4 hydrocarbon mixture is LPG, with the above hydro carbons of C4 be raw gasline, raw gasline is sent into rectifying tower (15) and is handled and to obtain petroleum naphtha and heavy petrol, and heavy petrol enters that rectifying tower (16) obtains durol and to taking off the hydrocarbon mink cell focus.
6. according to the method for oil gas coupling Poly-generation in each described Coal Chemical Industry industry of claim 1-5, it is characterized in that: the concrete grammar that coupling hydro is handled in the described step (2) is: heavy oil fraction, washing oil, dephenolize oil, carry out pre-treatment with hydrogen reaction after taking off naphtalene oil and taking off the mixing of hydrocarbon mink cell focus, feed again into hydrofining reactor (19) processing and obtain the thick oil product of hydrogenation, the thick oil product of hydrogenation enters gas-liquid separator (20) and carries out gas-liquid separation, isolate hydrogen and thick oil product, thick oil product enters and carries out the cut cutting in the separation column (21), obtains petroleum naphtha and diesel oil.
7. according to the method for oil gas coupling Poly-generation in each described Coal Chemical Industry industry of claim 1-5, it is characterized in that: the mixture of one or more in the coal tar that described coal tar is the coal tar that produces of coking, pyrolysis produces, the tar that gasification produces.
8. according to the method for oil gas coupling Poly-generation in each described Coal Chemical Industry industry of claim 1-5, it is characterized in that: the mixture of one or more in the coke(oven)gas that described coal gas is the pyrolysis gas that produces of pyrolysis, coking produces, the synthetic gas that gasification produces.
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| CN104056829A (en) * | 2014-05-30 | 2014-09-24 | 浙江大学 | Continuous decoking method for thermal plasma reactor |
| CN105062590A (en) * | 2015-07-31 | 2015-11-18 | 赛鼎工程有限公司 | Comprehensive utilization technology used for production of gasoline and liquefied natural gas through methanol synthesis of coke coal gas and used for deep processing of tar |
| CN105062591A (en) * | 2015-07-31 | 2015-11-18 | 赛鼎工程有限公司 | Technology for production of gasoline and combined production of natural gas and hydrogen through methanol synthesis of coke oven gas |
| CN105062591B (en) * | 2015-07-31 | 2017-07-11 | 赛鼎工程有限公司 | A kind of technique of coke oven through methanol synthesized gasoline, coproduction natural gas and hydrogen |
| CN105062590B (en) * | 2015-07-31 | 2017-07-11 | 赛鼎工程有限公司 | A kind of comprehensive utilization process of coke-stove gas through methanol synthesized gasoline, co-production of liquefied natural gas and tar deep processing |
| CN105779028A (en) * | 2016-04-07 | 2016-07-20 | 青岛科大隆腾科技发展有限公司 | Raw coke oven gas heat and chemical product simultaneous recovery method based on washing and rectifying |
| CN105779028B (en) * | 2016-04-07 | 2019-04-19 | 青岛科大隆腾科技发展有限公司 | Raw coke oven gas heat and change based on washing rectifying produce the method recycled simultaneously |
| WO2019019539A1 (en) * | 2017-07-26 | 2019-01-31 | 天津大学 | Method and apparatus for preparing arene and olefin by means of catalytic hydrogenation coupled with catalytic cracking of bio-fuel |
| CN109954515A (en) * | 2019-04-11 | 2019-07-02 | 陕西煤业化工技术研究院有限责任公司 | A kind of catalyst and its preparation method and application for raw coke oven gas anaerobic aromatization synthesis benzene |
| CN110551524A (en) * | 2019-07-25 | 2019-12-10 | 新奥科技发展有限公司 | Oil product refining method |
| CN114763497A (en) * | 2021-01-11 | 2022-07-19 | 中国石油化工股份有限公司 | Biomass hydropyrolysis-gasification co-production process and system |
| CN114763497B (en) * | 2021-01-11 | 2023-01-10 | 中国石油化工股份有限公司 | Biomass hydropyrolysis-gasification co-production process and system |
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