CN106520220A - System and method for preparation of methanol by using off-peak power for carbon emission reduction - Google Patents
System and method for preparation of methanol by using off-peak power for carbon emission reduction Download PDFInfo
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- CN106520220A CN106520220A CN201610651472.2A CN201610651472A CN106520220A CN 106520220 A CN106520220 A CN 106520220A CN 201610651472 A CN201610651472 A CN 201610651472A CN 106520220 A CN106520220 A CN 106520220A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/02—Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
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- Chemical Kinetics & Catalysis (AREA)
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The present invention relates to a system and a method for preparation of methanol by using off-peak power for carbon emission reduction. Currently, enterprise carbon emissions are difficult to effectively use. The system is characterized by comprising a water electrolysis device, a carbon dioxide capture device, a methanol synthesis device, a compressor, a chimney, an oxygen pipeline, a liquid oxygen pipeline, a hydrogen pipeline and a carbon dioxide pipeline ,wherein the water electrolysis device is connected with a power grid, the oxygen pipeline is connected with the water electrolysis device, the liquid oxygen pipeline is connected with the oxygen pipeline, the compressor is mounted in the liquid oxygen pipeline, the water electrolysis device is connected with the methanol synthesis device by the hydrogen pipeline, the chimney is connected with the carbon dioxide capture device, and the carbon dioxide capture device is connected with the methanol synthesis device by the carbon dioxide pipeline. According to the invention, peak shaving and valley filling of a grid side is realized, enterprise carbon emission is reduced, incomes are brought to enterprises by means of providing oxygen and methanol and other products, and therefore national and enterprise win-win is realized.
Description
Technical field
The present invention relates to a kind of utilization trough-electricity methyl alcohol reduces the system and method for carbon emission amount, belong to a kind of cleaning energy
Source preparation system.
Background technology
At present, it has been undisputable fact that Global climate change, greenhouse effects are produced, and carbon emission is affecting the life of people
Living, pollution environment, how to reduce carbon emission amount becomes the topic that scholars, expert and state leader pay close attention to jointly.
In September, 2015,《Country's reply climate change rule（2014-2020）》Issue, explicitly point out the year two thousand twenty carbon row
Put strength ratio and decline 40%-45% in 2005.In November, 2015, deliver in Paris " conference of climate change Paris "《Structure hand in hand
Build win-win cooperation, fair and reasonable climate change governance mechanism》In point out：China will make carbon emission reach peak in or so the year two thousand thirty
Value, unit GDP carbon emission declined 60%-65% than 2005.In this context, " carbon emission ", " carbon footprint ", " low
Carbon economy ", " low-carbon technology ", " low carbon development ", " low-carbon (LC) life style ", " low carbon society ", " Low Carbon World " etc. are a series of new
Concept, new policy are arisen at the historic moment.
At present, reducing carbon emission mainly has three kinds of technique directions and selection：One is the substitute technology for taking fossil energy, main
To include clean energy resource substitute technology, renewable energy technologies；Two is to improve efficiency, realizes reducing production of units total value carbon emission
Amount；Three is that carbon is buried and biological carbon remittance technology.Country's fossil energy accounting is higher at present（It is concrete how many）, with clean energy resource and can
The renewable sources of energy substitute process slowly, and regenerative resource has unstability；Though improving efficiency reduces production of units total value carbon row
High-volume, but make mark do not effect a permanent cure；Biological carbon remittance technology is not yet ripe, though carbon is buried successfully be stored in carbon dioxide underground, throws
Enter cost big.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency present in prior art, and provide a kind of using trough-electricity first
Alcohol reduces the system and method for carbon emission amount.Using trough-electricity methyl alcohol, it is that grid side realizes peak load shifting, reclaims CO/CO2Close
Into methyl alcohol, enterprise's carbon emission amount is not only reduced, while meeting discharging standards, generate the liquid fuel based on methyl alcohol.
The present invention realizes grid side peak load shifting, reduces enterprise's carbon emission amount, may also provide the products such as oxygen, methyl alcohol and bring receipts to enterprise
Benefit, realizes country and enterprise's doulbe-sides' victory.
The present invention the adopted technical scheme that solves the above problems is：This reduces carbon emission amount using trough-electricity methyl alcohol
The design feature of system is：Including electrolytic water device, carbon dioxide capture device, methanol synthesizer, compressor, chimney,
Oxygen pipeline, liquid oxygen pipeline, hydrogen pipeline and carbon dioxide pipeline, the electrolytic water device and electrical network connection, the oxygen hose
Road and electrolytic water device connection, the liquid oxygen pipeline and oxygen pipeline connection, the compressor is arranged on liquid oxygen pipeline, described
Electrolytic water device and methanol synthesizer are connected by hydrogen pipeline, and the chimney and carbon dioxide capture device connect, described
Carbon dioxide capture device and methanol synthesizer are connected by carbon dioxide pipeline.
Preferably, present system utilizes trough-electricity, peak load shifting is realized, reduce carbon emission.
Preferably, present invention additionally comprises DME synthesis device, the DME synthesis device and methanol synthesizer
Connection.
Preferably, present invention additionally comprises softening water pipe, the softening water pipe and electrolytic water device connect.
A kind of method for carrying out reducing carbon emission amount using trough-electricity methyl alcohol using described system, its feature is：
The step of methods described, is as follows：
Trough-electricity electrolysis softened water of the electrolytic water device using electrical network, H2O=H2+0.5O2, wherein：
The electrochemical reaction equation of negative electrode：2H+ + 2e-=H2,
The electrochemical reaction equation of anode：O2-=0.5O2 + 2e-,
1 H2O generates 1 H2With 0.5 O2, wherein high-purity O2Supply on demand, directly storage or compressed machine make liquid oxygen storage
Deposit；CO is trapped using carbon dioxide capture device from chimney emission gas2, reduce enterprise CO2Discharge capacity, the CO of trapping2With electricity
High-purity H that Xie Shui makes2Methanol synthesizer is mixed in proportion as raw material, and generates first in the presence of catalyst
Alcohol, the reaction for wherein occurring have：CO2+3H2→CH3OH + H2O。
Preferably, the methyl alcohol for generating is entered DME synthesis device by the present invention generates dimethyl ether, what is wherein occurred is anti-
Should be：2CH3OH→CH3OCH3 + H2O。
Preferably, carbon dioxide capture device of the present invention, methanol synthesizer and compressor are modularization knot
Structure.
Preferably, the CO in the flue gas of carbon dioxide capture device trapping smoke stack emission of the present invention2Gas is direct
Methanol synthesizer is entered as raw material and generates methyl alcohol.
The present invention compared with prior art, with advantages below and effect：1st, module design.Trough-electricity hydrogen making synthesizes
Methanol fuel system can improve system design flexibility with carbon emission amount demand and modularized design is reduced, and System Expansion is simple.
2nd, peak load shifting.Methyl alcohol is generated using trough-electricity water electrolysis hydrogen production, is conducive to grid side peak load shifting.3rd, turn waste into wealth.It is former to need
The CO of discharge is realized by carbon transaction2Become methyl alcohol, be that enterprise brings benefit.4th, social benefit.Reduce the same of carbon emission amount
When, there is provided the liquid fuel such as methyl alcohol, dimethyl ether, be conducive to the energy of China to stabilize and safely and reliably supply, be conducive to country
Safety.
The present invention utilizes trough-electricity methyl alcohol, is that grid side realizes peak load shifting, reclaims CO2Synthesizing methanol, not only reduces
Enterprise's carbon emission amount, while meeting discharging standards, generates the liquid fuel based on methyl alcohol.Research shows：Methyl alcohol is pressed
Ratio is directly blended in gasoline, can substantially reduce the NO of direct post combustion emissionXAnd PM（Particulate matter）.In addition methanol market
Demand is big, and downstream application field extensively, is the synthesis material of the chemical products such as dimethyl ether, acetic acid, alkene.It is electrolysed in the present invention
Original is directly discharged or is needed and realizes arranging by carbon transaction by water, collecting carbonic anhydride, methanol synthesizer technology maturation reliability
The CO put2Become methyl alcohol, turn waste into wealth.The present invention is opening up the aspects such as energy synthesis new way, energy-saving and emission-reduction with important
Economic worth and strategic importance.
Description of the drawings
Fig. 1 is the structural representation of the system in the embodiment of the present invention 1 using trough-electricity methyl alcohol reduction carbon emission amount.
Fig. 2 is the structural representation of the system in the embodiment of the present invention 2 using trough-electricity methyl alcohol reduction carbon emission amount.
In figure：1st, electrolytic water device；2nd, carbon dioxide capture device；3rd, methanol synthesizer；4th, DME synthesis device；
5th, compressor；6th, chimney.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are to this
Bright explanation and the invention is not limited in following examples.
Embodiment 1.
Referring to Fig. 1, the system for reducing carbon emission amount using trough-electricity methyl alcohol in the present embodiment include electrolytic water device 1,
Carbon dioxide capture device 2, methanol synthesizer 3, compressor 5, chimney 6, oxygen pipeline, liquid oxygen pipeline, hydrogen pipeline and two
Carbonoxide pipeline, electrolytic water device 1 and electrical network connection, oxygen pipeline and electrolytic water device 1 connect, liquid oxygen pipeline and oxygen pipeline
Connection, compressor 5 are arranged on liquid oxygen pipeline, and electrolytic water device 1 and methanol synthesizer 3 are connected by hydrogen pipeline, chimney 6
Connect with carbon dioxide capture device 2, carbon dioxide capture device 2 and methanol synthesizer 3 are connected by carbon dioxide pipeline.
The present embodiment can also include softening water pipe, soften water pipe and electrolytic water device 1 connects.
The step of method of carbon emission amount is reduced using trough-electricity methyl alcohol in the present embodiment is as follows：
Trough-electricity electrolysis softened water of the electrolytic water device 1 using electrical network, H2O=H2+0.5O2, wherein：
The electrochemical reaction equation of negative electrode：2H+ + 2e-=H2,
The electrochemical reaction equation of anode：O2-=0.5O2 + 2e-,
1 H2O generates 1 H2With 0.5 O2, wherein high-purity O2Supply on demand, directly storage or Jing compressors 5 make liquid oxygen
Storage；CO is trapped using carbon dioxide capture device 2 from 6 exhaust gas of chimney2, reduce enterprise CO2Discharge capacity, the CO of trapping2
High-purity H made with electrolysis water2Methanol synthesizer 3 is mixed in proportion as raw material, and in the presence of catalyst
Methyl alcohol is generated, the reaction for wherein occurring has：CO2+3H2→CH3OH + H2O。
Carbon dioxide capture device 2, methanol synthesizer 3 and compressor 5 in the present embodiment can be tied for modularization
Structure.CO in the flue gas of the trapping discharge of chimney 6 of carbon dioxide capture device 22Gas is filled into methanol-fueled CLC directly as raw material
Put 3 generation methyl alcohol.
Embodiment 2.
Referring to Fig. 2, the system and 1 basic phase of embodiment of carbon emission amount in the present embodiment, is reduced using trough-electricity methyl alcohol
Together, difference is：Also include that DME synthesis device 4, DME synthesis device 4 and methanol synthesizer 3 connect.
Method in the present embodiment using trough-electricity methyl alcohol reduction carbon emission amount is substantially the same manner as Example 1, difference
Place is：The methyl alcohol of generation is generated into dimethyl ether into DME synthesis device 4, the reaction for wherein occurring is：2CH3OH→
CH3OCH3 + H2O。
The present invention produces H using night dip electricity electrolysis water2And O2, using in 2 recovered flue gas of carbon dioxide capture device
CO2, by H2And CO2Synthesizing methanol under catalyst action is blended in, is realized reducing carbon emission amount, is generated the purpose of liquid fuel.
Each apparatus moduleization is efficiently integrated, realizes reducing the controllability of carbon emission amount, increases the flexibility of system.Electrolytic water device 1 is sharp
With trough-electricity, be conducive to grid side peak load shifting.The high-purity O that electrolysis water is made2Can supply on demand, directly storage or compressed
Machine 5 makes liquid oxygen storage.High-purity H that electrolysis water is made2Methanol synthesizer 3 and CO are entered as raw material2Gas mixing is being urged
Agent effect is lower to generate methyl alcohol.The CO of the trapping of carbon dioxide capture device 22Gas, fills into methanol-fueled CLC directly as raw material
Put 3 and H2It is blended under catalyst action and generates methyl alcohol, reduces enterprise CO2Discharge capacity.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, is named the shape of its parts and components
Claiming etc. can be with difference, and above the content described in this specification is only to present configuration example explanation.It is all according to
The equivalence changes done according to the construction described in inventional idea of the present invention, feature and principle or simple change, are included in this
In the protection domain of bright patent.Those skilled in the art can do various to described specific embodiment
The modification of various kinds or supplement are substituted using similar mode, structure without departing from the present invention or surmount present claims
Scope defined in book, all should belong to protection scope of the present invention.
Claims (8)
1. the system that a kind of utilization trough-electricity methyl alcohol reduces carbon emission amount, it is characterised in that：Including electrolytic water device, titanium dioxide
Carbon capturing device, methanol synthesizer, compressor, chimney, oxygen pipeline, liquid oxygen pipeline, hydrogen pipeline and carbon dioxide pipeline,
The electrolytic water device and electrical network connection, the oxygen pipeline and electrolytic water device connection, the liquid oxygen pipeline and oxygen pipeline
Connection, the compressor are arranged on liquid oxygen pipeline, and the electrolytic water device and methanol synthesizer are connected by hydrogen pipeline,
The chimney and carbon dioxide capture device connection, the carbon dioxide capture device and methanol synthesizer pass through carbon dioxide
Pipeline connects.
2. the system that utilization trough-electricity methyl alcohol according to claim 1 reduces carbon emission amount, it is characterised in that：System profit
With trough-electricity, peak load shifting is realized, reduce carbon emission.
3. the system that utilization trough-electricity methyl alcohol according to claim 1 reduces carbon emission amount, it is characterised in that：Also include
DME synthesis device, the DME synthesis device and methanol synthesizer connection.
4. the system that utilization trough-electricity methyl alcohol according to claim 1 reduces carbon emission amount, it is characterised in that：Also include
Soften water pipe, the softening water pipe and electrolytic water device connection.
5. it is a kind of to carry out reducing carbon emission amount using trough-electricity methyl alcohol using system as claimed in claim 1 or 2 or 3 or 4
Method, it is characterised in that：The step of methods described, is as follows：
Trough-electricity electrolysis softened water of the electrolytic water device using electrical network, H2O=H2+0.5O2, wherein：
The electrochemical reaction equation of negative electrode：2H+ + 2e-=H2,
The electrochemical reaction equation of anode：O2-=0.5O2 + 2e-,
1 H2O generates 1 H2With 0.5 O2, wherein high-purity O2Supply on demand, directly storage or compressed machine make liquid oxygen storage
Deposit；CO is trapped using carbon dioxide capture device from chimney emission gas2, reduce enterprise CO2Discharge capacity, the CO of trapping2With electricity
High-purity H that Xie Shui makes2Methanol synthesizer is mixed in proportion as raw material, and generates first in the presence of catalyst
Alcohol, the reaction for wherein occurring have：CO2+3H2→CH3OH + H2O。
6. the system that utilization trough-electricity methyl alcohol according to claim 5 reduces carbon emission amount, it is characterised in that：To generate
Methyl alcohol enter DME synthesis device and generate dimethyl ether, the reaction for wherein occurring is：2CH3OH→CH3OCH3 + H2O。
7. the system that utilization trough-electricity methyl alcohol according to claim 5 reduces carbon emission amount, it is characterised in that：Described two
Carbonoxide capturing device, methanol synthesizer and compressor are modular construction.
8. the system that utilization trough-electricity methyl alcohol according to claim 5 reduces carbon emission amount, it is characterised in that：Described two
CO in the flue gas of carbonoxide capturing device trapping smoke stack emission2Gas enters methanol synthesizer directly as raw material and generates first
Alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651472.2A CN106520220A (en) | 2016-08-05 | 2016-08-05 | System and method for preparation of methanol by using off-peak power for carbon emission reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610651472.2A CN106520220A (en) | 2016-08-05 | 2016-08-05 | System and method for preparation of methanol by using off-peak power for carbon emission reduction |
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| CN106520220A true CN106520220A (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610651472.2A Pending CN106520220A (en) | 2016-08-05 | 2016-08-05 | System and method for preparation of methanol by using off-peak power for carbon emission reduction |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108295574A (en) * | 2018-03-13 | 2018-07-20 | 刘仲明 | Capture CO2Power generation |
| CN108744872A (en) * | 2018-07-18 | 2018-11-06 | 崔德亮 | A kind of preparation method and device of hydrocarbon |
| CN111344384A (en) * | 2017-12-01 | 2020-06-26 | 沙特阿拉伯石油公司 | Converting carbon dioxide from vehicle exhaust to liquid fuels and fuel additives |
| CN113237081A (en) * | 2021-06-07 | 2021-08-10 | 西安热工研究院有限公司 | Zero-carbon-emission green hydrogen alcoholization, preparation and storage combined upgrading and transformation system for coal-fired thermal power generating unit |
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| CN1154101A (en) * | 1994-05-16 | 1997-07-09 | Cc能源有限公司 | Production of methanol |
| WO2011011970A1 (en) * | 2009-07-27 | 2011-02-03 | 新奥科技发展有限公司 | Apparatus for emission reduction testing of carbon dioxide and waste water and preparation of biodiesel, as well as method thereof |
| CN103849438A (en) * | 2012-12-06 | 2014-06-11 | 新昌县冠阳技术开发有限公司 | Method for manufacturing liquid fuel |
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2016
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1154101A (en) * | 1994-05-16 | 1997-07-09 | Cc能源有限公司 | Production of methanol |
| WO2011011970A1 (en) * | 2009-07-27 | 2011-02-03 | 新奥科技发展有限公司 | Apparatus for emission reduction testing of carbon dioxide and waste water and preparation of biodiesel, as well as method thereof |
| CN103849438A (en) * | 2012-12-06 | 2014-06-11 | 新昌县冠阳技术开发有限公司 | Method for manufacturing liquid fuel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111344384A (en) * | 2017-12-01 | 2020-06-26 | 沙特阿拉伯石油公司 | Converting carbon dioxide from vehicle exhaust to liquid fuels and fuel additives |
| CN108295574A (en) * | 2018-03-13 | 2018-07-20 | 刘仲明 | Capture CO2Power generation |
| CN108744872A (en) * | 2018-07-18 | 2018-11-06 | 崔德亮 | A kind of preparation method and device of hydrocarbon |
| CN113237081A (en) * | 2021-06-07 | 2021-08-10 | 西安热工研究院有限公司 | Zero-carbon-emission green hydrogen alcoholization, preparation and storage combined upgrading and transformation system for coal-fired thermal power generating unit |
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Application publication date: 20170322 |
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