CN109718630A - A kind of system and method for coupled cogeneration preparing synthetic gas - Google Patents
A kind of system and method for coupled cogeneration preparing synthetic gas Download PDFInfo
- Publication number
- CN109718630A CN109718630A CN201910156343.XA CN201910156343A CN109718630A CN 109718630 A CN109718630 A CN 109718630A CN 201910156343 A CN201910156343 A CN 201910156343A CN 109718630 A CN109718630 A CN 109718630A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- gas
- air
- oxygen
- preparing synthetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/20—Capture or disposal of greenhouse gases of methane
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses a kind of system and methods of coupled cogeneration preparing synthetic gas, the system is formed by directly trapping carbon dioxide unit and methane chemical reforming with recycle preparing synthetic gas unit in air, drier that carbon dioxide unit includes dry air is wherein directly trapped in air, the carbon dioxide adsorption room for trapping carbon dioxide, condenser, gas-liquid separator, air pump, storage desorption come out gas tank and gas concentration lwevel detector of carbon dioxide etc.；Methane chemical reforming with recycle preparing synthetic gas unit includes reduction reactor and oxidation reactor；The adsorption and desorption process of carbon dioxide in the humidity controlled air that the system passes through regulation collecting carbonic anhydride unit, the gaseous mixture of carbon dioxide and air that desorption comes out is stored in gas tank, then enters methane chemical reforming with recycle unit by mass flowmenter control by gas tank exhaust valve；The negative emission that the present invention realizes carbon dioxide is integrated with energy conversion regeneration, improves the economic benefit of Carbon Dioxide in Air.
Description
Technical field
The present invention relates to Carbon Dioxide in Air negative emissions and energy conversion to utilize field, and in particular to a kind of coupled cogeneration
The system and method for preparing synthetic gas.
Background technique
In recent years, as a large amount of burnings of fossil fuel lead to carbon dioxide excess emissions, global warming problem day
Benefit is prominent.In numerous solution at present, the trapping of carbon dioxide and to seal up for safekeeping be considered as that more effective mid-term solves
Scheme, but in this scheme carbon dioxide trapping higher cost, and the natural calamities such as earthquake are occurring by the way of sealing up for safekeeping
Shi Rongyi leakage.Therefore, in addition to carbon sequestration, perhaps the resource utilization of carbon can be a kind of to alleviate artificial CO2 emission
Economically viable scheme.
In addition, the resource utilization of carbon should maintain close ties with the trapping of carbon, carbon capture is as carbon dioxide conversion
Source.A kind of carbon of economy must first ensure that the carbon dioxide of trapping is at low cost, scale is big, can be widely used using method
Deng.Directly trapped in various trapping techniques, in wet process air CO 2 technology greatly reduce collecting carbonic anhydride at
Sheet and complexity.But the capture method capture of this low cost is aeriferous carbon dioxide, if separated and purified
Words, higher cost.Therefore, exploitation oxytolerant and highly selective carbon dioxide reduction technique (carbon utilization) are also vital,
This is the essential step for realizing carbon cycle.
For carbon use aspects, chemical cycle is reformed producing synthesis gas technology and has been widely used in
In terms of carbon dioxide conversion, but traditional chemical cycle technology seldom makees air or oxygen and carbon dioxide mix
For the co-oxidants of the oxygen loss carrier of oxygen, this is because the Strong oxdiative ability of oxygen can
Can will lead to it is lower in titanium dioxide charcoal percent conversion, these limit so that traditional circulating technology be difficult to it is wet with upstream
CO 2 technology is directly trapped in method air to combine.
Summary of the invention
The object of the present invention is to provide a kind of system and methods of coupled cogeneration preparing synthetic gas, directly trap using in air
Carbon dioxide and methane chemical reforming with recycle coupled cogeneration preparing synthetic gas solve traditional chemical circulating technology for upstream low cost
The limitation that gas concentration lwevel is directly trapped in wet process air realizes the low cost trapping of carbon dioxide and recycling is sharp on the spot
With.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of system of coupled cogeneration preparing synthetic gas, including carbon dioxide unit A and methane chemical are directly trapped in air
Reforming with recycle preparing synthetic gas unit B；
Directly trapped in the air carbon dioxide unit A include for filtering the air dry drier 1-2,
Drier 1-2 air inlet is communicated with air, and gas outlet is connected to the air inlet at the top of the 1-6 of carbon dioxide adsorption room, carbon dioxide
The top air inlet of adsorption chamber 1-6 and the branch road of outlet one are respectively equipped with the first gas concentration lwevel detector 1-5 and second
Gas concentration lwevel detector 1-7, for detect carbon dioxide adsorption room 1-6 inlet and outlet carbon dioxide concentration, this gas circuit into
Row carbon dioxide adsorption process；The side air inlet of carbon dioxide adsorption room 1-6 is connected with atomized steam 5, and another branch goes out
Mouth is equipped with condenser 1-11, gas-liquid separator 1-12 and gas tank 1-15, this gas circuit is used for carrying out the attached process of carbon dioxide
The gas outlet gas tank 1-15 and downstream methane chemical reforming with recycle preparing synthetic gas unit B in the carbon dioxide that storage desorption comes out
The air inlet of middle oxidation reactor 1-19 is connected；In addition, directly being trapped in carbon dioxide unit A in air further includes for being pipe
Gas flowing provides the flow control valve of the air pump of power, control switch and flow in road；
The methane chemical reforming with recycle preparing synthetic gas unit B includes for carrying out reduction reaction preparing synthetic gas H2With CO 9
Reduction reactor 1-23, reduction reactor 1-23 air inlet is connected with methane 8, and synthesis gas H is discharged in gas outlet2With CO 9；Also
Including the oxidation reactor 1-19 for carrying out oxygenating reaction to the oxygen loss carrier of oxygen, oxidation reactor 1-19 air inlet and upstream
The gas outlet that the gas tank 1-15 of carbon dioxide unit A is trapped in air is connected, and CO 7 is discharged in gas outlet；Reduction reactor 1-23's
The carrier of oxygen import that the carrier of oxygen outlet oxidation reactor 1-19 being reduced is reduced, after the regeneration of oxidation reactor 1-19
Carrier of oxygen outlet reduction reactor 1-23 regeneration after carrier of oxygen import；Reduction reactor 1-23 air inlet and methane
Mass flowmenter and flow control valve are provided on the pipeline of 8 connections.
Desiccant in the drier 1-2 is anhydrous calcium chloride, discoloration one of silica gel or molecular sieve.
Carbon dioxide absorber 3 in the carbon dioxide adsorption room 1-6 be load the active carbon of sodium carbonate, molecular sieve,
The nano-porous materials such as anion exchange resin.
The method of the system coupled cogeneration preparing synthetic gas of a kind of coupled cogeneration preparing synthetic gas, using direct in air
Carbon dioxide and methane chemical reforming with recycle coupled cogeneration preparing synthetic gas are trapped, steps are as follows:
(1) directly trap carbon dioxide in air: a carbon dioxide adsorption process: air passes through drier 1-2 dry filter
Enter in the 1-6 of carbon dioxide adsorption room afterwards, the carbon dioxide in air is by the carbon dioxide adsorption in the 1-6 of carbon dioxide adsorption room
Agent 3 is adsorbed, and the air 4 after carbon dioxide is adsorbed exports mono- tunnel triple valve 1-10 being arranged by carbon dioxide adsorption room 1-6
Outlet is discharged into atmosphere；B carbon dioxide is attached and stores process: using atomized steam 5 in the 1-6 of carbon dioxide adsorption room
Carbon dioxide absorber 3 is humidified, and high humility makes 3 desorption of carbon dioxide absorber of adsorption saturation go out carbon dioxide, solution
The carbon dioxide absorbed carries another way outlet of triple valve 1-10 that steam is arranged by the outlet carbon dioxide adsorption room 1-6,
The gaseous mixture of waste water 6 and carbon dioxide and air, 6 row of waste water are isolated using condenser 1-11 and gas-liquid separator 1-12
Out, the gaseous mixture of carbon dioxide and air enters in gas tank 1-15 by the second air pump 1-14, two be adsorbed after a certain period of time
Carbonoxide reaches the desorption limit, and adsorbent realizes regeneration；
(2) methane chemical reforming with recycle preparing synthetic gas: a reduction process: fuel methane 8 enter reduction reactor 1-23 in
The Lattice Oxygen reaction of the carrier of oxygen generates hydrogen-carbon ratio close to the high-quality synthesis gas H of ideal value~2.02With CO 9, while the carrier of oxygen
It is reduced and loses oxygen；B oxidation process: the carrier of oxygen being reduced enter in oxidation reactor 1-19 with directly trap dioxy in air
The mixing solid/liquid/gas reactions for changing carbon dioxide and air that gas tank 1-15 in carbon unit A evacuates discharge supplement Lattice Oxygen, and the carrier of oxygen is able to
Regeneration, the carrier of oxygen after regeneration are again introduced into reduction reactor 1-23 and react producing synthesis gas H with methane 82With CO 9, oxygen is realized
The recycling of carrier.
Carbon dioxide is directly trapped in step (1) air by being connected to carbon dioxide adsorption room 1-6 air inlet/outlet
The first gas concentration lwevel detector 1-5 and the second gas concentration lwevel detector 1-7 registration come judge carbon dioxide inhale
Attached dose whether adsorption saturation illustrates that adsorbent has been inhaled when the carbon dioxide registration of two gas concentration lwevel detectors is consistent
Attached saturation.
Directly trapping the waste water that gas-liquid separator 1-12 is isolated in carbon dioxide unit in step (1) air can be supplemented to
For humidifying carbon dioxide absorber in atomized steam 5.
The mixing in carbon dioxide unit in gas tank 1-15 for carbon dioxide and air is directly trapped in step (1) air
Gas, the concentration of carbon dioxide are 30~70vol%.
In step (2) methane chemical reforming with recycle preparing synthetic gas unit in reduction reactor 1-23 and oxidation reactor 1-19
Reaction temperature be 800~1000 DEG C, the required high temperature of reaction is maintained as heat source using the solar energy of focusing.
The carrier of oxygen described in step (2) methane chemical reforming with recycle preparing synthetic gas unit is conventional or 3-D ordered multiporous
Perovskite material, general formula ABO3, wherein A be rare earth lanthanum or barium, B be divalent or trivalent transition metal, A or B from
Son can replace by other transition metal moieties or all, can carry out chemical tailoring according to requirement of experiment.
According to preferred embodiment, the concentration that low cost is directly trapped from air can be 30~70vol% by the present invention
CO2Oxygenating gas of the gaseous mixture of/air as the oxygen loss carrier of oxygen during methane chemical reforming with recycle, CO2High conversion rate reach
85~95%, the yield of synthesis gas is up to 10.0~11.0mol/kg, and the hydrogen-carbon ratio of synthesis gas has close to ideal value~2.0
There is the chemicals of industrial value conducive to synthesis downstream methanol and acetic acid etc..
Compared with prior art, the present invention has the advantage that
(1) the invention proposes a kind of new carbon cycle schemes to convert the carbon dioxide in air, by continuously recycling
Oxidation-reduction process generates pure CO and high-quality synthesis gas, pure CO and synthesis gas can further synthesizing methanol and acetic acid, effectively
Incorporate the trapping and the system of utilizing of carbon dioxide.
(2) present invention provides effective way for the carbon dioxide conversion in air for methanol and acetic acid, reduces the energy
The net discharge amount of consumption and carbon dioxide, provides a feasible approach for the economical Design of carbon cycle.
(3) the equal horn of plenty of methane and carbon dioxide and cheap resource in the present invention, and are greenhouse gases, from the energy and
The crosspoint of environment is set out, and is had found and is solved high efficiency of energy using the breach with environmental protection.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
The wherein corresponding title of appended drawing reference are as follows:
1- air；2- desiccant；3- carbon dioxide absorber；4- carbon dioxide be adsorbed after air；5- atomized steam；
6- waste water；7-CO；8- methane；9- synthesis gas H2And CO
1-1- first flow regulating valve；1-2- drier；1-3- second flow regulating valve；The first air pump of 1-4-；1-5-
One gas concentration lwevel detector；1-6- carbon dioxide adsorption room；1-7- the second gas concentration lwevel detector；1-8- third stream
Adjustable valve；The 4th flow control valve of 1-9-；1-10- triple valve；1-11- condenser；1-12- gas-liquid separator；1-13- the 5th
Flow control valve；The second air pump of 1-14-；1-15- gas tank；The 6th flow control valve of 1-16-；The first mass flowmenter of 1-17-；1-
The 7th flow control valve of 18-；1-19- oxidation reactor；The 8th flow control valve of 1-20-；The second mass flowmenter of 1-21-；1-
The 9th flow control valve of 22-；1-23- reduction reactor
Carbon dioxide unit is directly trapped in A- air；B- methane chemical reforming with recycle preparing synthetic gas unit
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Embodiment
As shown in Figure 1, a kind of system and method for coupled cogeneration preparing synthetic gas, method includes the following steps:
(1) carbon dioxide is directly trapped in air: a carbon dioxide adsorption process: being first turned on first flow regulating valve 1-
1, second flow regulating valve 1-3, third flow control valve 1-8 and the first air pump 1-4, triple valve 1-10 switch to the second titanium dioxide
Concentration of carbon detector 1-7 and third flow control valve 1-8 pipeline close other that carbon dioxide unit A is directly trapped in air
Flow control valve；Air 1 is entered in drier 1-2 by first flow regulating valve 1-1 is dried filtering, then by drying
Air enters in the 1-6 of carbon dioxide adsorption room by second flow regulating valve 1-3, and the carbon dioxide in air is inhaled by carbon dioxide
Attached dose 3 absorption, the air 4 after carbon dioxide is adsorbed are discharged into atmosphere by third flow control valve 1-8, are inhaled in carbon dioxide
The air inlet/outlet of alcove 1-6 is respectively equipped with identical first gas concentration lwevel detector 1-5 and the inspection of the second gas concentration lwevel
It surveys instrument 1-7 and reaches adsorption saturation when the carbon dioxide registration of two gas concentration lwevel detectors is consistent；B carbon dioxide solution
Absorption and storage process: when 3 adsorption saturation of carbon dioxide absorber, first flow regulating valve 1-1 is closed, second flow is adjusted
Valve 1-3, third flow control valve 1-8 and the first air pump 1-4, triple valve 1-10 switch to the pipeline being connected to gas tank 1-15, beat
Open the 4th flow control valve 1-9 and the 5th flow control valve 1-13 and the second air pump 1-14；Pass through the 4th stream using atomized steam 5
Adjustable valve 1-9, which enters in the 1-6 of carbon dioxide adsorption room, humidifies carbon dioxide absorber 3, and high humility makes the two of adsorption saturation
Oxidation 3 desorption of carbon adsorbent goes out carbon dioxide, and the carbon dioxide that desorption goes out carries steam and passes through condenser 1-11 and gas-liquid
Separator 1-12 isolates the gaseous mixture of waste water 6 and carbon dioxide and air, and the gaseous mixture of carbon dioxide and air passes through the 5th
Flow control valve 1-13 and the second air pump 1-14 enter in gas tank 1-15, and desorption is completed after a certain period of time, and adsorbent is realized again
Raw, the gaseous mixture of the carbon dioxide and air that store in gas tank 1-15 passes through gas tank exhaust valve 1-16, the first mass flowmenter 1-
17 and the 7th flow control valve 1-18 control enter methane chemical reforming with recycle preparing synthetic gas unit.
(2) methane chemical reforming with recycle preparing synthetic gas: a reduction process: fuel
Methane 8 by the 8th flow control valve 1-20, the second mass flowmenter 1-21 and the 9th flow control valve 1-22 into
Enter in reduction reactor 1-23 with the carrier of oxygen (MeOx) Lattice Oxygen reaction generate hydrogen-carbon ratio close to ideal value (~2.0) Gao Pin
Matter synthesis gas H2With CO 9, while the carrier of oxygen is reduced and loses oxygen (MeOx→MeOx-y)；B oxidation process: the carrier of oxygen being reduced
(MeOx-y) enter in oxidation reactor 1-19 with directly trap gas tank 1-15 in carbon dioxide unit A in air and evacuate discharge
The mixing solid/liquid/gas reactions of carbon dioxide and air supplement Lattice Oxygen simultaneously generates CO 7, and the carrier of oxygen is regenerated (MeOx-y→MeOx), then
The carrier of oxygen (MeO after lifex) be again introduced into reduction reactor 1-23 and react producing synthesis gas H with methane 82With CO 9, realize that oxygen carries
The recycling of body.The synthesis gas H of the CO 7 generated in this oxidation-reduction process and high-quality2It can further be synthesized down with CO 9
Swim the chemicals methanol and acetic acid with industrial value.
The chemical reaction that entire coupled cogeneration is related to is as follows:
Carbon dioxide unit is directly trapped in air:
Methane chemical reforming with recycle preparing synthetic gas unit:
Reduction reactor: CH4+MeOX=CO+2H2+MeOx-y
Oxidation reactor: CO2+MeOx-y=CO+MeOX。
Present system follows the gaseous mixture that the carbon dioxide and air that come directly are trapped from air as methane chemical
The oxygenating gas of the oxidation stage oxygen loss carrier of oxygen in ring reformation, generates synthesis gas and keeps away the carbon dioxide local use in air
The freight of carbon dioxide after trapping is exempted from, the negative emission for realizing carbon dioxide is integrated with energy conversion regeneration, improves
The economic benefit of Carbon Dioxide in Air.
It should be noted that the present invention is not limited to above-mentioned specific embodiment method, above-mentioned specific embodiment is only
Be it is schematic rather than restricted, those skilled in the art under the inspiration of the present invention, are not departing from present inventive concept
In the case where, many variations can also be made, within this is belonged to the scope of protection of the present invention.
Claims (10)
1. a kind of system of coupled cogeneration preparing synthetic gas, which is characterized in that including directly trapping carbon dioxide unit (A) in air
With methane chemical reforming with recycle preparing synthetic gas unit (B)；
Directly trapped in the air carbon dioxide unit (A) include for filtering the air dry drier (1-2),
Drier (1-2) air inlet is communicated with air, and gas outlet is connected to the air inlet at the top of carbon dioxide adsorption room (1-6), dioxy
The top air inlet and the branch road of outlet one for changing carbon adsorption room (1-6) are respectively equipped with the first gas concentration lwevel detector (1-
5) with the second gas concentration lwevel detector (1-7), the dense of carbon dioxide is imported and exported for detecting carbon dioxide adsorption room (1-6)
Degree, this gas circuit carry out carbon dioxide adsorption process；The side air inlet of carbon dioxide adsorption room (1-6) and atomized steam (5) phase
Even, another branch way outlet is equipped with condenser (1-11), gas-liquid separator (1-12) and gas tank (1-15), this gas circuit is for carrying out
The attached process of carbon dioxide, for storing the gas tank gas outlet (1-15) and the downstream methanation of the carbon dioxide that desorption comes out
The air inlet for learning oxidation reactor (1-19) in reforming with recycle preparing synthetic gas unit (B) is connected；In addition, directly trapping two in air
It further include for providing the flow of the air pump of power, control switch and flow for gas flowing in pipeline in oxidation carbon unit (A)
Regulating valve；
The methane chemical reforming with recycle preparing synthetic gas unit (B) includes for carrying out reduction reaction preparing synthetic gas H2With CO's (9)
Reduction reactor (1-23), reduction reactor (1-23) air inlet are connected with methane (8), and synthesis gas H is discharged in gas outlet2And CO
(9)；It further include the oxidation reactor (1-19) for carrying out oxygenating reaction to the oxygen loss carrier of oxygen, oxidation reactor (1-19) air inlet
Mouth is connected with the gas outlet for the gas tank (1-15) for trapping carbon dioxide unit (A) in the air of upstream, and CO (7) are discharged in gas outlet；
The carrier of oxygen import that the carrier of oxygen outlet oxidation reactor (1-19) of reduction reactor (1-23) being reduced is reduced, oxygen
Carrier of oxygen import after the regeneration of carrier of oxygen outlet reduction reactor (1-23) after changing the regeneration of reactor (1-19)；Also
Mass flowmenter and flow control valve are provided on the pipeline that former reactor (1-23) air inlet is connected to methane (8).
2. a kind of system of coupled cogeneration preparing synthetic gas according to claim 1, which is characterized in that the drier
Desiccant in (1-2) is anhydrous calcium chloride, discoloration one of silica gel or molecular sieve.
3. a kind of system of coupled cogeneration preparing synthetic gas according to claim 1, which is characterized in that the carbon dioxide
Carbon dioxide absorber (3) in adsorption chamber (1-6) is active carbon, molecular sieve, the Anion Exchange Resins for loading sodium carbonate
Nano-porous materials.
4. a kind of method of the system coupled cogeneration preparing synthetic gas of coupled cogeneration preparing synthetic gas described in claims 1, special
Sign is that, using carbon dioxide and methane chemical reforming with recycle coupled cogeneration preparing synthetic gas is directly trapped in air, steps are as follows:
(1) carbon dioxide is directly trapped in air: a carbon dioxide adsorption process: after air passes through drier (1-2) dry filter
Into in carbon dioxide adsorption room (1-6), the carbon dioxide in air is inhaled by the carbon dioxide in carbon dioxide adsorption room (1-6)
Attached dose (3) absorption, the air (4) after carbon dioxide is adsorbed export the triple valve being arranged by carbon dioxide adsorption room (1-6)
(1-10) way outlet is discharged into atmosphere；B carbon dioxide is attached and stores process: using atomized steam (5) to carbon dioxide
Carbon dioxide absorber (3) in adsorption chamber (1-6) is humidified, and high humility makes the carbon dioxide absorber (3) of adsorption saturation
Desorption goes out carbon dioxide, and the carbon dioxide that desorption goes out carries steam and passes through the outlet carbon dioxide adsorption room (1-6) setting
Triple valve (1-10) another way outlet isolates waste water (6) and two using condenser (1-11) and gas-liquid separator (1-12)
The gaseous mixture of the gaseous mixture of carbonoxide and air, waste water (6) discharge, carbon dioxide and air enters by the second air pump (1-14)
In gas tank (1-15), the carbon dioxide being adsorbed after a certain period of time reaches the desorption limit, and adsorbent realizes regeneration；
(2) methane chemical reforming with recycle preparing synthetic gas: a reduction process: fuel methane (8) enter reduction reactor (1-23) in
The Lattice Oxygen reaction of the carrier of oxygen generates hydrogen-carbon ratio close to the high-quality synthesis gas H of ideal value2With CO (9), while the carrier of oxygen is gone back
Original loses oxygen；B oxidation process: the carrier of oxygen being reduced enter in oxidation reactor (1-19) with directly trap titanium dioxide in air
The mixing solid/liquid/gas reactions of gas tank (1-15) evacuates discharge in carbon unit (A) carbon dioxide and air supplement Lattice Oxygen, and the carrier of oxygen obtains
With regeneration, the carrier of oxygen after regeneration is again introduced into reduction reactor (1-23) and reacts producing synthesis gas H with methane (8)2And CO
(9), the recycling of the carrier of oxygen is realized.
5. the method for coupled cogeneration preparing synthetic gas according to claim 4, which is characterized in that in step (1) air directly
Trapping carbon dioxide is by being connected to the first gas concentration lwevel detector of carbon dioxide adsorption room (1-6) air inlet/outlet
The registration of (1-5) and the second gas concentration lwevel detector (1-7) come judge carbon dioxide absorber whether adsorption saturation, when two
When the carbon dioxide registration of a gas concentration lwevel detector is consistent, illustrate adsorbent adsorption saturation.
6. the method for coupled cogeneration preparing synthetic gas according to claim 4, which is characterized in that in step (1) air directly
The waste water that gas-liquid separator (1-12) is isolated in trapping carbon dioxide unit is supplemented in atomized steam (5) for humidifying dioxy
Change carbon adsorbent.
7. the method for coupled cogeneration preparing synthetic gas according to claim 4, which is characterized in that in step (1) air directly
Trap be in gas tank (1-15) in carbon dioxide unit carbon dioxide and air gaseous mixture, the concentration of carbon dioxide is 30~
70vol%.
8. the method for coupled cogeneration preparing synthetic gas according to claim 4, which is characterized in that step (2) methane chemical follows
Reaction temperature in ring preparing synthetic gas by reforming unit in reduction reactor (1-23) and oxidation reactor (1-19) is 800~1000
DEG C, high temperature needed for reacting is maintained as heat source using the solar energy of focusing.
9. the method for coupled cogeneration preparing synthetic gas according to claim 4, which is characterized in that step (2) methane chemical follows
The carrier of oxygen described in ring preparing synthetic gas by reforming unit is conventional or 3-D ordered multiporous perovskite material, general formula ABO3,
Middle A is rare earth lanthanum or barium, and B is divalent or trivalent transition metal, and A or B ions can be by other transition metal portions
Divide or all replace, chemical tailoring can be carried out according to requirement of experiment.
10. the method for coupled cogeneration preparing synthetic gas according to claim 4, which is characterized in that by low cost from air
The concentration directly trapped is 30~70vol%CO2The gaseous mixture of/air is carried as oxygen loss oxygen during methane chemical reforming with recycle
The oxygenating gas of body, CO2High conversion rate up to 85~95%, the yield of synthesis gas is up to 10.0~11.0mol/kg, and synthesizes
The hydrogen-carbon ratio of gas is conducive to synthesize the chemicals of downstream methanol and acetic acid with industrial value close to ideal value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156343.XA CN109718630A (en) | 2019-03-01 | 2019-03-01 | A kind of system and method for coupled cogeneration preparing synthetic gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156343.XA CN109718630A (en) | 2019-03-01 | 2019-03-01 | A kind of system and method for coupled cogeneration preparing synthetic gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109718630A true CN109718630A (en) | 2019-05-07 |
Family
ID=66300843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910156343.XA Pending CN109718630A (en) | 2019-03-01 | 2019-03-01 | A kind of system and method for coupled cogeneration preparing synthetic gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109718630A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549355A (en) * | 2020-06-19 | 2020-08-18 | 西北大学 | Low cost CO electrolysis in solid oxide electrolytic cell2System and method for preparing synthesis gas |
| CN114345400A (en) * | 2021-11-24 | 2022-04-15 | 中国科学院大连化学物理研究所 | Transition metal-molecular sieve catalyst, modification method and application |
| CN114452768A (en) * | 2022-03-03 | 2022-05-10 | 霖和气候科技(北京)有限公司 | CO based on wet-process regenerated adsorption material2Direct air capture system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5917136A (en) * | 1995-10-04 | 1999-06-29 | Air Products And Chemicals, Inc. | Carbon dioxide pressure swing adsorption process using modified alumina adsorbents |
| CN102198934A (en) * | 2011-04-20 | 2011-09-28 | 中国科学院广州能源研究所 | Method and device for producing hydrogen by using chemical chain |
| CN106178817A (en) * | 2016-08-15 | 2016-12-07 | 陈曦 | A kind of extensive carbon dioxide capture system and capture method |
| CN108117045A (en) * | 2017-12-12 | 2018-06-05 | 西北大学 | A kind of apparatus and method of collecting carbonic anhydride and methane reforming process coupled cogeneration synthesis gas |
-
2019
- 2019-03-01 CN CN201910156343.XA patent/CN109718630A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5917136A (en) * | 1995-10-04 | 1999-06-29 | Air Products And Chemicals, Inc. | Carbon dioxide pressure swing adsorption process using modified alumina adsorbents |
| CN102198934A (en) * | 2011-04-20 | 2011-09-28 | 中国科学院广州能源研究所 | Method and device for producing hydrogen by using chemical chain |
| CN106178817A (en) * | 2016-08-15 | 2016-12-07 | 陈曦 | A kind of extensive carbon dioxide capture system and capture method |
| CN108117045A (en) * | 2017-12-12 | 2018-06-05 | 西北大学 | A kind of apparatus and method of collecting carbonic anhydride and methane reforming process coupled cogeneration synthesis gas |
Non-Patent Citations (2)
| Title |
|---|
| 朱天乐 主编: "《微环境空气质量控制》", 31 May 2006, 北京：北京航空航天大学出版社 * |
| 王华，魏永刚著: "《晶格氧部分氧化甲烷制取合成气技术》", 31 July 2009, 北京：冶金工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549355A (en) * | 2020-06-19 | 2020-08-18 | 西北大学 | Low cost CO electrolysis in solid oxide electrolytic cell2System and method for preparing synthesis gas |
| CN114345400A (en) * | 2021-11-24 | 2022-04-15 | 中国科学院大连化学物理研究所 | Transition metal-molecular sieve catalyst, modification method and application |
| CN114345400B (en) * | 2021-11-24 | 2023-03-14 | 中国科学院大连化学物理研究所 | Transition metal-molecular sieve catalyst, modification method and application |
| CN114452768A (en) * | 2022-03-03 | 2022-05-10 | 霖和气候科技(北京)有限公司 | CO based on wet-process regenerated adsorption material2Direct air capture system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11680504B2 (en) | Carbon capture system, apparatus, and method | |
| CN109718630A (en) | A kind of system and method for coupled cogeneration preparing synthetic gas | |
| CN107744722A (en) | Collecting carbonic anhydride and recycling system and method based on Driven by Solar Energy | |
| RU2007137645A (en) | SYSTEMS AND METHODS USING A FUEL PROCESSOR WITHOUT MIXING | |
| CN206823510U (en) | One kind CO suitable for cement kiln flue gas2The change system continuously trapped | |
| CN109301283A (en) | A kind of band CO2The integral coal gasification fuel cell system of trapping | |
| WO2019073867A1 (en) | Methane producing system | |
| CN108394878A (en) | A kind of hydrogeneous helium tail gas purification Helium process | |
| CN107115776A (en) | One kind CO suitable for cement kiln flue gas2The change system continuously trapped | |
| CN209374564U (en) | A kind of integral coal gasification fuel cell system of band CO2 trapping | |
| CN104745260B (en) | A kind of methane producing quality gas and the method and its equipment stored | |
| CN111549355A (en) | Low cost CO electrolysis in solid oxide electrolytic cell2System and method for preparing synthesis gas | |
| CN109173583A (en) | A kind of medium temperature vacuum pressure swing adsorption system and method | |
| CN103373705B (en) | Method and device for improving grade of medium-and-low-temperature solar thermal power and integrally separating CO2 | |
| CN109232161A (en) | In a kind of power-plant flue gas carbon dioxide recovery with utilize system and method | |
| CN102413901A (en) | Apparatus and method for compressing co2, system and method for separating and recovering co2 | |
| CN108302523A (en) | A kind of composite absorber cycle capture CO with hydration reactor2Device and method | |
| CN103466546B (en) | Intermediate temperate pressure swing adsorption method for using bifunctional adsorbent in adsorption enhanced type vapor reforming and water-vapor transformation reactions | |
| CN106995735A (en) | A kind of disposal system of landfill gas or biogas | |
| Ortiz et al. | Negative emissions power plant based on flexible calcium-looping process integrated with renewables and methane production | |
| Wang et al. | Carbon dioxide capture | |
| CN110041969A (en) | A kind of method and device of liquid nitrogen washing tail-gas resource utilization | |
| CN214937123U (en) | Device for synthesizing methanol by using carbon dioxide and water | |
| CN108261890A (en) | CO in integrated form trapping flue gas2And N2Capturing device | |
| CN109133104B (en) | Process and system for co-production of synthetic ammonia from semi-coke tail gas and calcium carbide tail gas and application of process and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210918 Address after: C1373, 1f, 1089 Huihe South Street, Banbidian village, Gaobeidian Township, Chaoyang District, Beijing 100124 Applicant after: Linhe climate Technology (Beijing) Co.,Ltd. Address before: Room 11604, block B, Huajing Business Plaza, No. 20, Fenghui South Road, hi tech Zone, Xi'an City, Shaanxi Province Applicant before: XI'AN HONGJUN RUIZE NEW MATERIAL TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190507 |
|
| RJ01 | Rejection of invention patent application after publication |