CN102775261A - Multifunctional methanol processing method and apparatus - Google Patents
Multifunctional methanol processing method and apparatus Download PDFInfo
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- CN102775261A CN102775261A CN2012102544720A CN201210254472A CN102775261A CN 102775261 A CN102775261 A CN 102775261A CN 2012102544720 A CN2012102544720 A CN 2012102544720A CN 201210254472 A CN201210254472 A CN 201210254472A CN 102775261 A CN102775261 A CN 102775261A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P20/00—Technologies relating to chemical industry
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- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
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Abstract
A multifunctional methanol processing method belongs to the field of petrochemical and coal chemical technology. Methanol is used to produce low carbon olefins, gasoline and aromatics. The method adopts a two-step processing technique. The first step is to use methanol to produce low carbon olefins. The second step is to use low carbon olefins to synthesize aromatics and/or gasoline. The invention also provides a reactor and a regenerator used for the method. The method and the reactor and the regenerator can produce products with low carbon olefins, gasoline and aromatics which are urgently needed for economic construction, and have the advantages of flexible program, short process, low investment and high efficiency.
Description
Technical field
The invention belongs to petrochemical complex, technical field of coal chemical industry, particularly a kind of multi-functional methyl alcohol working method and device.
Background technology
Low-carbon alkene and aromatic hydrocarbons are the petrochemical complex basic raw materials, and gasoline is the important energy source that the development of the national economy needs.Ethene is mainly by naphtha steam cracking production at present, and propylene and gasoline are by oil production.Because the petroleum resources worsening shortages is increasingly high by the cost of oil production ethene, propylene, gasoline.Positive active development is from the method and the technology of coal production ethene, propylene and oil product both at home and abroad.Wherein the research with methanol production ethene and propylene makes substantial progress, and has many patents open, like ZL00137259.9, ZL92109905.3, ZL96115333.4, ZL00815363.2, ZL03821995.6, CN101318868A etc.
Methyl alcohol comprehensive utilization at present is a production low-carbon alkene (ethene and propylene), and this method flow is long, investment is big, product separation requires height, working condition is harsh, is very complicated commercial run.The economic construction process also needs a large amount of aromatic hydrocarbons and gasoline; That utilizes methanol production contains the low-carbon alkene reaction gas after simple process; Straight through synthetic aromatic hydrocarbons and gasoline; Economic construction is had great importance, and this technical process is short, product separation is less demanding, working condition relaxes, investment is little, has the characteristics of reduced investment instant effect.
Summary of the invention
The purpose of this invention is to provide a kind of multi-functional methyl alcohol working method and device; Utilize methyl alcohol to be raw material production low-carbon alkene, gasoline, aromatic hydrocarbons; Open up a route that utilizes coal resources to produce multiple petrochemical materials and fuel, and be the production route of flow process weak point, reduced investment, instant effect.
The technical solution adopted for the present invention to solve the technical problems is: comprise reaction, regeneration, heat exchange, chilling, washing process; Adopt two-step approach; The first step methanol feedstock is produced low-carbon alkene under special-purpose catalyst 1 effect; The reaction gas that second step will contain low-carbon alkene is after heat exchange, chilling, carrying out washing treatment, at special-purpose catalyst 2 effect synthetic aromatic hydrocarbons and or gasoline down.
Further, the low-carbon alkene after heat exchange, chilling, carrying out washing treatment can all be used to produce aromatic hydrocarbons and or gasoline; A part be used to produce aromatic hydrocarbons with or gasoline, another part is produced low-carbon alkene.
Realize the device of this inventive method, comprising: preparing low carbon olefin hydrocarbon with methanol reactor drum, revivifier, synthetic aromatic hydrocarbons of low-carbon alkene and or gasoline reactor drum.
Further, preparing low carbon olefin hydrocarbon with methanol reactor drum and revivifier adopt fluidized-bed, reaction and regeneration operate continuously; Reactor drum and revivifier adopt with high decoration form, or reactor drum is low and the high decoration form of revivifier, or reactor drum is high and the low decoration form of revivifier.
Further, the synthetic aromatic hydrocarbons of low-carbon alkene with or the gasoline reactor drum adopt fixed bed, reaction and regeneration blocked operation; Or employing fluidized-bed, reaction and regeneration operate continuously.
Innovative point of the present invention and positively effect:
Innovative point of the present invention is: adopt the two-step approach production technique, produce a kind or 2 kinds or 3 kinds of products in low-carbon alkene, gasoline, the aromatic hydrocarbons.
Positively effect of the present invention is: scheme is flexible, flow process is short, reduced investment, instant effect.
Description of drawings
Fig. 1 is a kind of multi-functional methyl alcohol working method and schematic representation of apparatus.
The 1-revivifier, 2-reactor drum, 3-regenerated catalyst pipe, 4-reclaimable catalyst pipe, 5-fixed-bed reactor 1; 6-fixed-bed reactor 2,7-interchanger, 8-quench tower, 9-water wash column, 10-reaction gas; 11-heat exchange afterreaction gas, 12-chilling afterreaction gas, the 13-quenching medium, 14-chilling mud, 15-removes the crude low-carbon alkene; 16-washes medium, and 17-water lotion, 18-remove the thick low-carbon alkene of heat exchange, thick low-carbon alkene after the 19-heat exchange; 20-aromatic hydrocarbons or gasoline, 21-regenerated flue gas, 22-air, 23-methanol feedstock gas.
Embodiment
See Fig. 1, revivifier 1 is connected with reactor drum through regenerated catalyst pipe 3, reclaimable catalyst pipe 4, and air 22 imports are arranged at revivifier 1 bottom, and regenerated flue gas 21 outlets are arranged at revivifier 1 top.Interchanger 7 (shell side) import is connected with reactor drum 2 outlets; Interchanger 7 (shell side) outlet is connected with quench tower 8 gas feeds, and quench tower 8 pneumatic outlets are connected with water wash column 9 gas feeds; Interchanger 7 (tube side) import is connected with water wash column 9 pneumatic outlets, and interchanger 7 (tube side) outlet is connected with fixed-bed reactor 1-5, fixed-bed reactor 2-6.
Referring to Fig. 1, material benzenemethanol gas 23 gets into from reactor drum 2 bottoms, and reaction gas 10 is drawn from reactor drum 2 tops.Reaction gas 10 gets into interchanger 7 (shell side), and with thick low-carbon alkene 18 heat exchange of low temperature, heat exchange afterreaction gas 11 gets into quench tower 8 bottoms; Quenching medium 13 gets into from quench tower 8 tops; Carry out thermal exchange at quench tower 8 internal reaction gas and quenching medium, and the catalyst dust that carries of washing reaction gas, chilling mud 14 is discharged from quench tower 8 bottoms; Chilling afterreaction gas 12 is drawn from quench tower 8 tops, gets into water wash column 9 bottoms.Washing medium 16 gets into from water wash column 9 tops; In water wash column 9, reaction gas is washed; And the water vapor condensation in the reaction gas is got off; Water lotion 17 is discharged at the bottom of water wash column 9 towers, and the thick low-carbon alkene in washing back flows out from water wash column 9 tops and divides two-way, one road thick low-carbon alkene 15 to go separation system to produce low-carbon alkene (ethene, propylene); The thick low-carbon alkene 18 in another road goes interchanger 7 (tube side) and reaction gas heat exchange; Thick low-carbon alkene 19 goes fixed-bed reactor 1-5, fixed-bed reactor 2-6 (in fixed-bed reactor 1-5, to react, regenerate at fixed-bed reactor 2-6 after the heat exchange; Blocked operation), in fixed-bed reactor, low-carbon alkene is converted into aromatic hydrocarbons and or gasoline.
Claims (5)
1. multi-functional methyl alcohol working method; Comprise reaction, regeneration, heat exchange, chilling, washing process; It is characterized in that: adopt two-step approach; The first step methanol feedstock is produced low-carbon alkene down in special-purpose catalyst 1 effect, the reaction gas that second step will contain low-carbon alkene after heat exchange, chilling, carrying out washing treatment, synthetic aromatic hydrocarbons and or gasoline under special-purpose catalyst 2 effects.
2. method according to claim 1 is characterized in that: the low-carbon alkene after heat exchange, chilling, carrying out washing treatment can all be used to produce aromatic hydrocarbons and or gasoline; A part be used to produce aromatic hydrocarbons with or gasoline, another part is produced low-carbon alkene.
3. realize the device of the said method of claim 1, it is characterized in that: comprising: preparing low carbon olefin hydrocarbon with methanol reactor drum, revivifier, synthetic aromatic hydrocarbons of low-carbon alkene and or gasoline reactor drum.
4. device according to claim 3 is characterized in that: preparing low carbon olefin hydrocarbon with methanol reactor drum and revivifier adopt fluidized-bed, reaction and regeneration operate continuously; Reactor drum and revivifier adopt with high decoration form, or reactor drum is low and the high decoration form of revivifier, or reactor drum is high and the low decoration form of revivifier.
5. device according to claim 3 is characterized in that: the synthetic aromatic hydrocarbons of low-carbon alkene with or the gasoline reactor drum adopt fixed bed, reaction and regeneration blocked operation; Or employing fluidized-bed, reaction and regeneration operate continuously.
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| CN2012102544720A CN102775261A (en) | 2012-07-23 | 2012-07-23 | Multifunctional methanol processing method and apparatus |
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| CN2012102544720A CN102775261A (en) | 2012-07-23 | 2012-07-23 | Multifunctional methanol processing method and apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016954A (en) * | 2014-04-28 | 2015-11-04 | 中国科学院大连化学物理研究所 | Method for preparing propylene and aromatic hydrocarbon from methyl alcohol or/and dimethyl ether |
| CN105254461A (en) * | 2014-06-19 | 2016-01-20 | 中石化洛阳工程有限公司 | Comprehensive methanol utilization method |
| CN105732251A (en) * | 2014-12-11 | 2016-07-06 | 中国石油天然气股份有限公司 | Method for producing aromatic hydrocarbon by catalytic conversion of methanol |
| CN106795439A (en) * | 2014-10-10 | 2017-05-31 | 埃克森美孚研究工程公司 | From the apparatus and method of oxygenatedchemicals production gasoline, alkene and aromatic compounds |
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| EP0320158A1 (en) * | 1987-12-08 | 1989-06-14 | Mobil Oil Corporation | Integrated process for the conversion of methanol to gasoline and distillate |
| CN1166478A (en) * | 1996-05-24 | 1997-12-03 | 中国科学院大连化学物理研究所 | Preparation of ethylene, propylene and other low-carton olefine from methyl alcohol or dimethyl ether |
| CN1234426A (en) * | 1998-05-06 | 1999-11-10 | 中国石油化工总公司 | Process for synchronously preparing low-carbon olefines and high aromatic-hydrocarbon gasoline |
| CN101270019A (en) * | 2008-04-11 | 2008-09-24 | 中国石油化工股份有限公司 | Method for preparing low carbon olefin hydrocarbon with methanol or dimethyl ether |
| CN101823929A (en) * | 2010-04-14 | 2010-09-08 | 清华大学 | System and process for preparing aromatic hydrocarbon by converting methanol or dimethyl ether |
| CN101898927A (en) * | 2009-05-27 | 2010-12-01 | 中国石油化工股份有限公司 | Method for preparing light olefins from alcohols |
| CN102146010A (en) * | 2010-02-10 | 2011-08-10 | 江苏煤化工程研究设计院有限公司 | Process for producing low carbon olefin and arene parallel cogeneration gasoline by using methanol as raw material |
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2012
- 2012-07-23 CN CN2012102544720A patent/CN102775261A/en active Pending
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| EP0320158A1 (en) * | 1987-12-08 | 1989-06-14 | Mobil Oil Corporation | Integrated process for the conversion of methanol to gasoline and distillate |
| CN1166478A (en) * | 1996-05-24 | 1997-12-03 | 中国科学院大连化学物理研究所 | Preparation of ethylene, propylene and other low-carton olefine from methyl alcohol or dimethyl ether |
| CN1234426A (en) * | 1998-05-06 | 1999-11-10 | 中国石油化工总公司 | Process for synchronously preparing low-carbon olefines and high aromatic-hydrocarbon gasoline |
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| CN102146010A (en) * | 2010-02-10 | 2011-08-10 | 江苏煤化工程研究设计院有限公司 | Process for producing low carbon olefin and arene parallel cogeneration gasoline by using methanol as raw material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016954A (en) * | 2014-04-28 | 2015-11-04 | 中国科学院大连化学物理研究所 | Method for preparing propylene and aromatic hydrocarbon from methyl alcohol or/and dimethyl ether |
| CN105016954B (en) * | 2014-04-28 | 2018-05-08 | 中国科学院大连化学物理研究所 | A kind of methanol or/and dimethyl ether for propylene and aromatic hydrocarbons method |
| CN105254461A (en) * | 2014-06-19 | 2016-01-20 | 中石化洛阳工程有限公司 | Comprehensive methanol utilization method |
| CN106795439A (en) * | 2014-10-10 | 2017-05-31 | 埃克森美孚研究工程公司 | From the apparatus and method of oxygenatedchemicals production gasoline, alkene and aromatic compounds |
| CN105732251A (en) * | 2014-12-11 | 2016-07-06 | 中国石油天然气股份有限公司 | Method for producing aromatic hydrocarbon by catalytic conversion of methanol |
| CN105732251B (en) * | 2014-12-11 | 2018-06-01 | 中国石油天然气股份有限公司 | Method for producing aromatic hydrocarbon by catalytic conversion of methanol |
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Address after: 100011, Beijing, Dongcheng District, 136 Wai Wai Street, imperial international A block 4, A0406-025 Applicant after: Li Xiaoyan Address before: 100013 Beijing, Dongcheng District Anwai garden 9 Building 5 No. 303 Applicant before: Li Xiaoyan |
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Application publication date: 20121114 |