CN103071380A - Trapping and pyrolysis method for carbon dioxide - Google Patents
Trapping and pyrolysis method for carbon dioxide Download PDFInfo
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- CN103071380A CN103071380A CN2013100384416A CN201310038441A CN103071380A CN 103071380 A CN103071380 A CN 103071380A CN 2013100384416 A CN2013100384416 A CN 2013100384416A CN 201310038441 A CN201310038441 A CN 201310038441A CN 103071380 A CN103071380 A CN 103071380A
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- carbon dioxide
- pyrolysis
- carbon
- sodium
- carbonic anhydride
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Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 157
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 72
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 67
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 22
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 87
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims abstract description 29
- 235000017557 sodium bicarbonate Nutrition 0.000 claims abstract description 29
- 230000003213 activating effect Effects 0.000 claims abstract description 17
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 229960004424 carbon dioxide Drugs 0.000 claims description 79
- 239000007789 gas Substances 0.000 claims description 33
- 235000011089 carbon dioxide Nutrition 0.000 claims description 23
- 230000002745 absorbent Effects 0.000 claims description 21
- 239000002250 absorbent Substances 0.000 claims description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 20
- 239000003546 flue gas Substances 0.000 claims description 19
- 239000011734 sodium Substances 0.000 claims description 13
- 238000007701 flash-distillation Methods 0.000 claims description 11
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 6
- PUKLDDOGISCFCP-JSQCKWNTSA-N 21-Deoxycortisone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2=O PUKLDDOGISCFCP-JSQCKWNTSA-N 0.000 claims description 5
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 5
- FCYKAQOGGFGCMD-UHFFFAOYSA-N Fulvic acid Natural products O1C2=CC(O)=C(O)C(C(O)=O)=C2C(=O)C2=C1CC(C)(O)OC2 FCYKAQOGGFGCMD-UHFFFAOYSA-N 0.000 claims description 5
- 150000001413 amino acids Chemical class 0.000 claims description 5
- 239000002509 fulvic acid Substances 0.000 claims description 5
- 229940095100 fulvic acid Drugs 0.000 claims description 5
- 239000004021 humic acid Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 72
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 36
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003245 coal Substances 0.000 abstract description 5
- 239000002803 fossil fuel Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000004568 cement Substances 0.000 abstract description 2
- 238000004043 dyeing Methods 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 238000007639 printing Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000003889 chemical engineering Methods 0.000 abstract 1
- 238000010494 dissociation reaction Methods 0.000 abstract 1
- 230000005593 dissociations Effects 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 239000013078 crystal Substances 0.000 description 12
- 238000013459 approach Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010020591 Hypercapnia Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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- Carbon And Carbon Compounds (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention relates to the field of emission reduction and conversion of carbon dioxide, in particular to a trapping and pyrolysis method for carbon dioxide. The carbon dioxide in smoke is converted into a sodium bicarbonate solution by a sodium carbonate solution in a carbonizer, and a pyrolyzer resolves high-purity carbon dioxide quickly. The pollution due to excessive carbon dioxide generated when fossil fuel is burnt is avoided, and energy conservation, environmental protection, energy crisis reduction and greenhouse effect reduction are realized. The method has the benefits that (1) the trapping rate of the carbon dioxide is significantly increased by the synergistic action of sodium carbonate, a catalyst and an activating agent; (2) the solution decomposes the carbon dioxide quickly, and the dissociation cost is lowered; and (3) the equipment investment is low, a large amount of carbon dioxide can be trapped and pyrolyzed, near zero release of the carbon dioxide can be realized, and the method is suitable for key coal-consumption industries of coal power, coal chemistry, steel, cement, papermaking, metallurgy, printing and dyeing, chemical engineering and the like to trap, recover and apply carbon dioxide resources on a large scale, and reduces the greenhouse effect.
Description
Technical field
The present invention relates to carbon dioxide row and subtract and the carbon dioxide conversion field, relate in particular to the method for a kind of collecting carbonic anhydride and pyrolysis.
Background technology
Fossil fuel is one of the main energy sources in the whole world, generates carbon dioxide after fossil fuel and the organic compound completing combustion, and carbon dioxide is discharged in the atmosphere.In recent years, people assert that by research carbon dioxide is the principal element that causes the arch-criminal of greenhouse effects and cause the world climate ANOMALOUS VARIATIONS, if do not take timely and effectively measure, global temperatures will be in century-old rising 1.5-3.5 degree, the polar glacier large area ablation, the existence of many species also can be affected even disappear.Therefore the row of carbon dioxide subtracts and transforms into a popular research topic when prescience, the capture of carbon and storing technology can the source capturing carbon dioxide and with its envelope storage in memory device, thereby reduce greenhouse effects.
The chemical conversion of carbon dioxide can be adopted number of ways, mainly comprise: directly be decomposed into carbon, oxygen, carbon monoxide, with the organic matter reaction, with the hydrogen reaction methanol etc., the energy-provision way of conversion reaction also has light, electricity and plasma etc. except heating.But collecting carbonic anhydride utilization and Plugging Technology Applied still are in research and development and demonstration phase at home and abroad, are faced with the outstanding problems such as expensive, high energy consumption, long-term safety and reliability be uncertain.
Summary of the invention
The present invention overcomes above-mentioned weak point, purpose is to provide the method for a kind of collecting carbonic anhydride and pyrolysis, utilize sodium carbonate liquor at carbonators the carbon dioxide conversion in the flue gas to be sodium bicarbonate solution, go out highly purified carbon dioxide through pyrolysis tower fast decoupled.The pollution that the hypercapnia that solution produces because of the burning fossil fuel causes realizes energy-conserving and environment-protective, alleviates energy crisis, reduces greenhouse effects.
The present invention achieves the above object by the following technical programs, and the method for a kind of collecting carbonic anhydride and pyrolysis may further comprise the steps:
1) sodium bicarbonate solution and catalyst, activating agent is fully fused, make carbon-dioxide absorbent solution, wherein catalyst is content full dissolubility humic acid more than 5%, or full dissolubility fulvic acid; Activating agent is the biochemical amino acid of the full dissolubility of content more than 5%;
2) temperature with carbonators is controlled at 60-70 ℃, and the described carbon-dioxide absorbent solution of step 1) is contacted in carbonators with in the flue gas that enters, and makes carbon dioxide in flue gas produce chemical reaction: Na
2CO
3+ CO
2+ H
2O---2NaHCO
3, generate the carbon-dioxide absorbent solution that contains sodium acid carbonate;
3) with step 2) the described carbon-dioxide absorbent solution input pyrolysis tower that contains sodium acid carbonate carries out pyrolysis processing, and pyrolysis control temperature is 85-98 ℃, produces chemical reaction: 2NaHCO
3---Na
2CO
3+ CO
2+ H
2O obtains carbon dioxide and sodium bicarbonate solution;
4) the described carbon dioxide input of step 3) condensing gas separator is carried out the condensation processed, recompress into liquid state and insert the gas storage holder storage;
5) the described sodium acid carbonate liquid of step 3) being made into carbon-dioxide absorbent solution again by the described method of step 1) reuses.
As preferably, the part by weight of the described catalyst of step 1) and carbon dioxide consumption is 0.01%-0.5%.
As preferably, the part by weight of the described activating agent of step 1) and carbon dioxide consumption: 0.01%-0.5%.
As preferably, the described pyrolysis processing of step 3) adopts the flash distillation pyrolysis way.
As preferably, the overall process of collecting carbonic anhydride and pyrolysis adopts the long-distance intelligent explosion-proof monitoring system to monitor to pressure, temperature, flow.
Beneficial effect of the present invention is: (1) significantly improves the collecting carbonic anhydride rate under the synergy of sodium carbonate, catalyst, activating agent; (2) solution fast decoupled carbon dioxide reduces disaggregated cost; (3) equipment investment is few; can capture in a large number and the pyrolysis carbon dioxide; make the carbon dioxide near-zero release, be fit to the emphasis consumption coal industry size captures such as coal electricity, Coal Chemical Industry, iron and steel, cement, papermaking, metallurgy, printing and dyeing, chemical industry and reclaim, use CO_2 Resource, reduce greenhouse effects.
Description of drawings
Fig. 1 is the process flow diagram of collecting carbonic anhydride of the present invention and pyrolysis;
Among the figure: 1, gas approach; 2, carbonators; 3, sodium bicarbonate solution carrier pipe; 4, sodium bicarbonate solution pump; 5, sodium acid carbonate pyrolysis flash vessel; 6, CO
2+ H
2The O air shooter; 7, condensed water and sodium carbonate liquor carrier pipe; 8, CO
2Gas outlet tube; 9, CO
2Gas holder; 10, air water condensation separator; 11, condensation-water drain; 12, cooling heat exchanger; 13, solution dosing chamber; 14, sodium carbonate liquor pump; 15, the molten nozzle of sodium carbonate; 16, other gas vent.
The specific embodiment
The present invention is described further below in conjunction with specific embodiment, but protection scope of the present invention is not limited in this:
The present invention realizes that by collecting carbonic anhydride and pyrolysis installation collecting carbonic anhydride and pyrolysis installation are by gas approach 1, carbonators 2, sodium bicarbonate solution carrier pipe 3, sodium bicarbonate solution pump 4, sodium acid carbonate pyrolysis flash vessel 5, CO
2+ H
2 O air shooter 6, condensed water and sodium carbonate liquor carrier pipe 7, CO
2Gas outlet tube 8, CO
2Gas holder 9, air water condensation separator 10, condensation-water drain 11, cooling heat exchanger 12, solution dosing chamber 13, sodium carbonate liquor pump 14, the molten nozzle 15 of sodium carbonate, other gas vent 16 form; Described flue gas enters and gas approach 1 is connected with the bottom of carbonators 2 from gas approach 1, flue gas is bottom-up flow with carbon-dioxide absorbent solution counter current contacting after, unnecessary air is discharged from other other outlet 16 at carbonators 2 tops, the sodium bicarbonate solution that has absorbed carbon dioxide is pressurizeed by be delivered into sodium acid carbonate pyrolysis flash vessel 5 by sodium bicarbonate solution carrier pipe 3 by sodium bicarbonate solution pump 4, sodium acid carbonate pyrolysis flash vessel 5 pyrolysis sodium bicarbonate solutions produce mist, mist comprises carbon dioxide and steam, and mist is delivered to CO with carbon dioxide behind air water condensation separator 10
2Gas holder 9 storages, sodium carbonate liquor after the pyrolysis flows out the aqueous water that flows out with air water condensation separator 10 bottoms and flow to solution dosing chamber 13 after cooling heat exchanger 12 cooling from sodium acid carbonate pyrolysis flash vessel 5 bottoms, the quantitative carbon-dioxide absorbent solution of solution dosing chamber 13 configurations adds to depress at sodium carbonate liquor pump 14 and is delivered to the carbonators spray and goes out.
Embodiment 1: the method for a kind of collecting carbonic anhydride and pyrolysis may further comprise the steps:
1) sodium carbonate liquor and catalyst, activating agent is fully fused, make carbon-dioxide absorbent solution, wherein catalyst is content full dissolubility humic acid more than 5%, or full dissolubility fulvic acid; Activating agent is the biochemical amino acid of the full dissolubility of content more than 5%; The part by weight of catalyst and carbon dioxide consumption is 0.01%, the part by weight of activating agent and carbon dioxide consumption: 0.01%; The carbon-dioxide absorbent solution of making is sent into solution dosing chamber 13, sends into carbonators 2 through sodium carbonate liquor pump 14, is sprayed downwards by the molten nozzle 15 of sodium carbonate;
2) temperature with carbonators 2 is controlled at 60 ℃, and flue gas is sent into carbonators 2 from gas approach 1, and flue gas moves upward and forms convection current with the sodium carbonate liquor of the described downward spray of step 1), wherein, and the CO in the flue gas
2Form sodium bicarbonate solution with sodium carbonate, water reaction, deliver to sodium bicarbonate solution pump 4 through sodium bicarbonate solution carrier pipe 3 and enter sodium acid carbonate pyrolysis flash vessel 5, do not have the gas of reaction to be discharged by other gas vent 16 in the flue gas;
The reaction condition of carbonators 2:
(1) chemical reaction mechanism
Na
2CO
3+CO
2+H
2O——2NaHCO
3
(2) the absorption synthesis reaction temperature is 60 ℃.
(3) the absorption synthesising reacting time is 1 second.
The reaction time speed determines the speed of collecting carbonic anhydride speed.
Below 50 ℃, the reaction time is long, and sodium acid carbonate is formed crystal.
3) with step 2) the described carbon-dioxide absorbent solution input sodium acid carbonate pyrolysis flash vessel 5 that contains sodium acid carbonate carries out pyrolysis processing, and the control temperature is 120 ℃, produces chemical reaction: 2NaHCO
3---Na
2CO
3+ CO
2+ H
2O obtains carbon dioxide and sodium carbonate liquor;
The reaction condition of sodium acid carbonate pyrolysis flash vessel 5:
(1) chemical reaction mechanism
2NaHCO
3——Na
2CO
3+CO
2+H
2O
(2) flash distillation pyrolysis way: 120 ℃ of temperature.
(3) flash distillation pyrolysis way: 0.05 second time.
(4) the brilliant liquor ratio of pyrolysis
The crystal of pyrolysis sodium acid carbonate and the percentage by weight of liquid: crystal 0%: solution 100%.
The crystal ratio is higher, and thermal energy consumption is fewer relatively.
4) after the sodium bicarbonate solution pyrolysis of sodium acid carbonate pyrolysis flash vessel 5, decompose CO out
2And H
2O gas is by CO
2+ H
2 O air shooter 6 is delivered to air water condensation separator 10 and is separated CO
2Through CO
2Gas outlet tube 8 is delivered to CO
2Gas holder 9 stores;
5) condensed water that separates from condensation-water drain 11 out, the sodium carbonate liquor that forms after sodium bicarbonate solution pyrolysis flash distillation is delivered to cooling heat exchanger 12 through condensed water and sodium carbonate liquor carrier pipe 7 and is lowered the temperature, and sends into solution dosing chamber 13 and recycles.
Embodiment 2: the method for a kind of collecting carbonic anhydride and pyrolysis may further comprise the steps:
1) sodium carbonate liquor and catalyst, activating agent is fully fused, make carbon-dioxide absorbent solution, wherein catalyst is content full dissolubility humic acid more than 5%, or full dissolubility fulvic acid; Activating agent is the biochemical amino acid of the full dissolubility of content more than 5%; The part by weight of catalyst and carbon dioxide consumption is 0.5%, the part by weight of activating agent and carbon dioxide consumption: 0.5%; The carbon-dioxide absorbent solution of making is sent into solution dosing chamber 13, sends into carbonators 2 through sodium carbonate liquor pump 14, is sprayed downwards by the molten nozzle 15 of sodium carbonate;
2) temperature with carbonators 2 is controlled at 60-70 ℃, and flue gas is sent into carbonators 2 from gas approach 1, flue gas move upward with step 1) in downwards the sodium carbonate liquor of spray form convection current, wherein, the CO in the flue gas
2Form sodium bicarbonate solution with sodium carbonate, water reaction, deliver to sodium bicarbonate solution pump 4 through sodium bicarbonate solution carrier pipe 3 and enter sodium acid carbonate pyrolysis flash vessel 5, do not have the gas of reaction to be discharged by other gas vent 16 in the flue gas;
The reaction condition of carbonators 2:
(1) chemical reaction mechanism
Na
2CO
3+CO
2+H
2O——2NaHCO
3
(2) the absorption synthesis reaction temperature is 70 ℃.
(3) the absorption synthesising reacting time is 10 seconds.
The reaction time speed determines the speed of collecting carbonic anhydride speed.
Below 50 ℃, the reaction time is long, and sodium acid carbonate is formed crystal.
3) with step 2) the described carbon-dioxide absorbent solution input sodium acid carbonate pyrolysis flash vessel 5 that contains sodium acid carbonate carries out pyrolysis processing, and the control temperature is 160 ℃, produces chemical reaction: 2NaHCO
3---Na
2CO
3+ CO
2+ H
2O obtains carbon dioxide and sodium carbonate liquor;
The reaction condition of sodium acid carbonate pyrolysis flash vessel 5:
(1) chemical reaction mechanism
2NaHCO
3——Na
2CO
3+CO
2+H
2O
(2) flash distillation pyrolysis way: 160 ℃ of temperature.
(3) flash distillation pyrolysis way: 5 seconds time.
(4) the brilliant liquor ratio of pyrolysis
The crystal of pyrolysis sodium acid carbonate and the percentage by weight of liquid: crystal 70%: solution 30%.
The crystal ratio is higher, and thermal energy consumption is fewer relatively.
4) after the sodium bicarbonate solution pyrolysis of sodium acid carbonate pyrolysis flash vessel 5, decompose CO out
2And H
2O gas is by CO
2+ H
2 O air shooter 6 is delivered to air water condensation separator 10 and is separated CO
2Through CO
2Gas outlet tube 8 is delivered to CO
2Gas holder 9 stores;
5) condensed water that separates from condensation-water drain 11 out, the sodium carbonate liquor that forms after sodium bicarbonate solution pyrolysis flash distillation is delivered to cooling heat exchanger 12 through condensed water and sodium carbonate liquor carrier pipe 7 and is lowered the temperature, and sends into solution dosing chamber 13 and recycles.
Embodiment 3: the method for a kind of collecting carbonic anhydride and pyrolysis may further comprise the steps:
1) sodium carbonate liquor and catalyst, activating agent is fully fused, make carbon-dioxide absorbent solution, wherein catalyst is content full dissolubility humic acid more than 5%, or full dissolubility fulvic acid; Activating agent is the biochemical amino acid of the full dissolubility of content more than 5%; The part by weight of catalyst and carbon dioxide consumption is 0.3%, the part by weight of activating agent and carbon dioxide consumption: 0.3%; The carbon-dioxide absorbent solution of making is sent into solution dosing chamber 13, sends into carbonators 2 through sodium carbonate liquor pump 14, is sprayed downwards by the molten nozzle 15 of sodium carbonate;
2) temperature with carbonators 2 is controlled at 66 ℃, and flue gas is sent into carbonators 2 from gas approach 1, flue gas move upward with step 1) in downwards the sodium carbonate liquor of spray form convection current, wherein, the CO in the flue gas
2Form sodium bicarbonate solution with sodium carbonate, water reaction, deliver to sodium bicarbonate solution pump 4 through sodium bicarbonate solution carrier pipe 3 and enter sodium acid carbonate pyrolysis flash vessel 5, do not have the gas of reaction to be discharged by other gas vent 16 in the flue gas;
The reaction condition of carbonators 2:
(1) chemical reaction mechanism
Na
2CO
3+CO
2+H
2O——2NaHCO
3
(2) the absorption synthesis reaction temperature is 66 ℃.
(3) the absorption synthesising reacting time is 5 seconds.
The reaction time speed determines the speed of collecting carbonic anhydride speed.
Below 50 ℃, the reaction time is long, and sodium acid carbonate is formed crystal.
3) with step 2) the described carbon-dioxide absorbent solution input sodium acid carbonate pyrolysis flash vessel 5 that contains sodium acid carbonate carries out pyrolysis processing, and the control temperature is 140 ℃, produces chemical reaction: 2NaHCO
3---Na
2CO
3+ CO
2+ H
2O obtains carbon dioxide and sodium carbonate liquor;
The reaction condition of sodium acid carbonate pyrolysis flash vessel 5:
(1) chemical reaction mechanism
2NaHCO
3——Na
2CO
3+CO
2+H
2O
(2) flash distillation pyrolysis way: 140 ℃ of temperature.
(3) flash distillation pyrolysis way: 3 seconds time.
(4) the brilliant liquor ratio of pyrolysis
The crystal of pyrolysis sodium acid carbonate and the percentage by weight of liquid: crystal 5 0%: solution 50%.
The crystal ratio is higher, and thermal energy consumption is fewer relatively.
4) after the sodium bicarbonate solution pyrolysis of sodium acid carbonate pyrolysis flash vessel 5, decompose CO out
2And H
2O gas is by CO
2+ H
2 O air shooter 6 is delivered to air water condensation separator 10 and is separated CO
2Through CO
2Gas outlet tube 8 is delivered to CO
2Gas holder 9 stores;
5) condensed water that separates from condensation-water drain 11 out, the sodium carbonate liquor that forms after sodium bicarbonate solution pyrolysis flash distillation is delivered to cooling heat exchanger 12 through condensed water and sodium carbonate liquor carrier pipe 7 and is lowered the temperature, and sends into solution dosing chamber 13 and recycles.
The overall process of collecting carbonic anhydride and pyrolysis adopts the long-distance intelligent explosion-proof monitoring system to monitor to pressure, temperature, flow.
Above described be specific embodiments of the invention and the know-why used, if the change of doing according to conception of the present invention when its function that produces does not exceed spiritual that specification and accompanying drawing contain yet, must belong to protection scope of the present invention.
Claims (5)
1. the method for a collecting carbonic anhydride and pyrolysis is characterized in that, may further comprise the steps:
1) sodium bicarbonate solution and catalyst, activating agent is fully fused, make carbon-dioxide absorbent solution, wherein catalyst is content full dissolubility humic acid more than 5%, or full dissolubility fulvic acid; Activating agent is the biochemical amino acid of the full dissolubility of content more than 5%;
2) temperature with carbonators is controlled at 60-70 ℃, and the described carbon-dioxide absorbent solution of step 1) is contacted in carbonators with in the flue gas that enters, and makes carbon dioxide in flue gas produce chemical reaction: Na
2CO
3+ CO
2+ H
2O---2NaHCO
3, generate the carbon-dioxide absorbent solution that contains sodium acid carbonate;
3) with step 2) the described carbon-dioxide absorbent solution input pyrolysis tower that contains sodium acid carbonate carries out pyrolysis processing, and pyrolysis control temperature is 85-98 ℃, produces chemical reaction: 2NaHCO
3---Na
2CO
3+ CO
2+ H
2O obtains carbon dioxide and sodium bicarbonate solution;
4) the described carbon dioxide input of step 3) condensing gas separator is carried out the condensation processed, recompress into liquid state and insert the gas storage holder storage;
5) the described sodium acid carbonate liquid of step 3) being made into carbon-dioxide absorbent solution again by the described method of step 1) reuses.
2. the method for a kind of collecting carbonic anhydride according to claim 1 and pyrolysis is characterized in that, the part by weight of the described catalyst of step 1) and carbon dioxide consumption is 0.01%-0.5%.
3. the method for a kind of collecting carbonic anhydride according to claim 2 and pyrolysis is characterized in that, the part by weight of the described activating agent of step 1) and carbon dioxide consumption: 0.01%-0.5%.
4. the method for a kind of collecting carbonic anhydride according to claim 1 and pyrolysis is characterized in that, the described pyrolysis processing of step 3) adopts the flash distillation pyrolysis way.
5. according to claim 1, the method for the described a kind of collecting carbonic anhydride of 2,3 or 4 arbitrary claims and pyrolysis, it is characterized in that the overall process of collecting carbonic anhydride and pyrolysis adopts the long-distance intelligent explosion-proof monitoring system to monitor to pressure, temperature, flow.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109589773A (en) * | 2018-12-24 | 2019-04-09 | 何东旺 | A method of utilizing salt absorbing carbon dioxide |
| CN111908489A (en) * | 2020-08-25 | 2020-11-10 | 湖南省银桥科技有限公司 | Feed additive sodium bicarbonate system and process thereof |
| CN113385010A (en) * | 2021-05-10 | 2021-09-14 | 安徽省环境科学研究院 | System and method for capturing carbon dioxide in flue gas for power plant |
| WO2023087370A1 (en) * | 2021-11-17 | 2023-05-25 | 国家电投集团科学技术研究院有限公司 | Carbon dioxide capture method for coupled staged electrolysis/pyrolysis hydrogen production |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11243985A (en) * | 1998-02-27 | 1999-09-14 | Ajinomoto Co Inc | Recovery of carbon dioxide in fermentation of l-glutamic acid |
| CN101683995A (en) * | 2009-04-29 | 2010-03-31 | 山东铝业公司 | Energy-saving using method for circular batching of carbon mother liquor |
| CN102000486A (en) * | 2010-10-18 | 2011-04-06 | 武汉凯迪电力股份有限公司 | Method for catching carbon dioxide in flue gas by active sodium carbonate and apparatus thereof |
-
2013
- 2013-01-30 CN CN201310038441.6A patent/CN103071380B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11243985A (en) * | 1998-02-27 | 1999-09-14 | Ajinomoto Co Inc | Recovery of carbon dioxide in fermentation of l-glutamic acid |
| CN101683995A (en) * | 2009-04-29 | 2010-03-31 | 山东铝业公司 | Energy-saving using method for circular batching of carbon mother liquor |
| CN102000486A (en) * | 2010-10-18 | 2011-04-06 | 武汉凯迪电力股份有限公司 | Method for catching carbon dioxide in flue gas by active sodium carbonate and apparatus thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109589773A (en) * | 2018-12-24 | 2019-04-09 | 何东旺 | A method of utilizing salt absorbing carbon dioxide |
| CN111908489A (en) * | 2020-08-25 | 2020-11-10 | 湖南省银桥科技有限公司 | Feed additive sodium bicarbonate system and process thereof |
| CN113385010A (en) * | 2021-05-10 | 2021-09-14 | 安徽省环境科学研究院 | System and method for capturing carbon dioxide in flue gas for power plant |
| WO2023087370A1 (en) * | 2021-11-17 | 2023-05-25 | 国家电投集团科学技术研究院有限公司 | Carbon dioxide capture method for coupled staged electrolysis/pyrolysis hydrogen production |
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