CN105617855A - Solid-state amine fluidized bed reactor - Google Patents

Solid-state amine fluidized bed reactor Download PDF

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Publication number
CN105617855A
CN105617855A CN201410580920.5A CN201410580920A CN105617855A CN 105617855 A CN105617855 A CN 105617855A CN 201410580920 A CN201410580920 A CN 201410580920A CN 105617855 A CN105617855 A CN 105617855A
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CN
China
Prior art keywords
reactor
solid amine
charge valve
returning charge
bed reactor
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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
Application number
CN201410580920.5A
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Chinese (zh)
Inventor
郝青
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Shaanxi Yuhang Electronic Co Ltd
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Shaanxi Yuhang Electronic Co Ltd
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Publication date
Application filed by Shaanxi Yuhang Electronic Co Ltd filed Critical Shaanxi Yuhang Electronic Co Ltd
Priority to CN201410580920.5A priority Critical patent/CN105617855A/en
Publication of CN105617855A publication Critical patent/CN105617855A/en
Pending legal-status Critical Current

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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

Abstract

The present invention relates to the field of chemical industry equipment, particularly to a solid-state amine fluidized bed reactor, which comprises an absorption reactor, a riser, a cyclone separator, an upper material returning valve, a regeneration reactor and a lower material returning valve, wherein the absorption reactor, the riser, the cyclone separator, the upper material returning valve, the regeneration reactor and the lower material returning valve are sequentially connected in a head-tail connection manner, and the lower material returning valve is communicated to the absorption reactor. According to the present invention, the solid-state amine dual fluidized bed reactor is established, and the continuous and stable operation is achieved; and the solid-state amine is used to continuously capture CO2, the capture efficiency achieves 84.4%, the capture efficiency is increased to 97% after a small amount of water vapor is introduced, and the performance of the absorbent maintains the stable state after the running.

Description

Solid amine fluidized-bed reactor
Technical field
The present invention relates to field of chemical equipment, be specifically related to a kind of solid amine fluidized-bed reactor.
Background technology
Global warming is mainly by with CO2The discharging in a large number of greenhouse gases being main is caused, for controlling and reducing CO2Discharge capacity, C02Trapping and Plugging Technology Applied become study hotspot in recent years. China's energy consumption structure based on coal, the CO of Discharged form Coal Combustion2Account for China CO2The 82% of total emission volumn, is mainly used in generating. Therefore studying coal-fired generating plant flue gas removes CO2Technology significant. Additionally, CO2Separation be also commonly used for chemical process such as the confined space such as synthesis ammonia, natural gas and marsh gas purifying, spacecraft and naval vessel. At present, all business trapping CO2Technology be all based on the chemical solvent absorption method of tradition alkanolamine solution, but there is regeneration energy consumption height, to shortcomings such as equipment corrosion are strong. And solid amine adsorption agent regenerative process can avoid the vaporization of water, energy consumption to be about the 50% of alkanolamine solution method.
At present, mainly stress the research in material such as the preparation, modified to improve absorbability of absorbent about the research of solid amine in the world, study main carrying out on thermogravimetric analyzer and seldom relate to the research of reactor and systematic procedure. And in solid amine fluidized-bed reactor, bibliographical information is less.
Therefore, realize trapping CO continuously especially with fluidized-bed reactor to solid amine reactor at present2The research of aspect still lacks. And domestic at present also it is concentrated mainly in the confined space such as spacecraft, submarine elimination CO about the research of solid amine2, still lack enough research about solid amine flue gas decarbonization.
Summary of the invention
It is contemplated that propose a kind of solid amine fluidized-bed reactor.
Technical program of the present invention lies in:
Solid amine fluidized-bed reactor, including absorption reactor thermally, riser, cyclone separator, upper returning charge valve, regeneration reactor and lower returning charge valve that head and the tail are sequentially connected with, wherein descends returning charge valve connection absorption reactor thermally.
Preferably, the operation temperature of described absorption reactor thermally is 40��80 DEG C.
Preferably, the operation temperature of described regeneration reactor is 100��130 DEG C.
It is highly preferred that described absorption reactor thermally, regeneration reactor and lower returning charge valve are two-layer pipe to carry out heat exchange, internal temperature is measured in real time by thermocouple.
Or preferably, native system is additionally provided with a washing and emptying device, connection absorption reactor thermally and regeneration reactor.
It is highly preferred that described connection absorption reactor thermally and lower returning charge valve are built with recirculated cooling water.
Or preferably, described absorption reactor thermally, upper returning charge valve, regeneration reactor, lower returning charge valve are quartz ampoule, and internal diameter is 50mm.
Or preferably, described riser internal diameter is 20mm.
It is highly preferred that described absorption reactor thermally, regeneration reactor and lower returning charge valve ectonexine spacing are 10mm.
It is highly preferred that described absorption reactor thermally and riser whole height are 2.1m.
The method have technical effect that:
The present invention establishes the double-fluidized-bed reactor of solid amine, and achieves continuous and steady operation; Solid amine is utilized to trap CO continuously2, arresting efficiency has reached 84.4%, and after passing into a small amount of steam, arresting efficiency has brought up to 97%, and after operation, absorbent properties remains stable for.
Accompanying drawing explanation
Fig. 1 is the structural representation of solid amine fluidized-bed reactor of the present invention.
Wherein, 1-absorption reactor thermally, 2-riser, 3-cyclone separator, the upper returning charge valve of 4-, 5-regeneration reactor, returning charge valve under 6-, 7-washes and emptying device.
Detailed description of the invention
Solid amine fluidized-bed reactor, including absorption reactor thermally 1, riser 2, cyclone separator 3, upper returning charge valve 4, regeneration reactor 5 and lower returning charge valve 6 that head and the tail are sequentially connected with, wherein descends returning charge valve 6 to connect absorption reactor thermally 1. The operation temperature of absorption reactor thermally 1 is 40��80 DEG C. The operation temperature of described regeneration reactor 5 is 100��130 DEG C. Described absorption reactor thermally 1, regeneration reactor 5 and lower returning charge valve 6 are two-layer pipe to carry out heat exchange, and internal temperature is measured in real time by thermocouple. Native system is additionally provided with a washing and emptying device 7, connection absorption reactor thermally 1 and regeneration reactor 5. Connection absorption reactor thermally 1 and lower returning charge valve 6 are built with recirculated cooling water. Absorption reactor thermally 1, upper returning charge valve 4, regeneration reactor 5, lower returning charge valve 6 are quartz ampoule, and internal diameter is 50mm. Riser 2 internal diameter is 20mm. Described absorption reactor thermally 1, regeneration reactor 5 and lower returning charge valve 6 ectonexine spacing are 10mm. Absorption reactor thermally 1 and riser 2 whole height are 2.1m.
Solid amine particulate absorbent and desorbing CO2Process carries out in two bubbling bed reactors, and absorption reactor thermally 1 and regeneration reactor 5 operate temperature respectively 40��80 DEG C and 100��130 DEG C, and experiment carries out at ambient pressure. Containing finite concentration CO2Flue gas pass into bottom absorption reactor thermally 1, through air distribution plate enter absorption reactor thermally 5, contact with solid amine granule and react, release heat; Absorb CO2After the boosted pipe 2 of solid amine granule be delivered to cyclone separator 3, the flue gas after decarburization through whirlwind top discharge, solid amine granule then enters returning charge valve 4, gas carry under granule enter regeneration reactor 5. Solid amine granule is intensification desorbing in regeneration reactor 5, discharges CO2, in regeneration reactor 5 fluidizing gas and the CO of release2Discharge is exported by regeneration reactor 5. Solid amine granule after regeneration enters returning charge valve 6 under people, is then back to absorption reaction 1. Regeneration reactor and cyclone separator 3 exit gas, through washing and emptying device 7, remove the wherein amine steam that may be present due to evaporation. Cyclone separator 3 exports CO2Concentration is monitored in real time by flue gas analyzer. System solid cycle quantity is adjusted mainly by upper and lower returning charge valve tolerance and riser tolerance. Absorption reactor thermally 1, regeneration reactor 5 and lower returning charge valve 6 are for two-layer pipe to carry out heat exchange, and internal temperature is measured in real time by thermocouple. Absorption reactor thermally 1 and lower returning charge valve 6 are by recirculated cooling water cooling particle temperature and the heat discharging absorption reaction release, to control absorption reaction temperature; Regeneration reactor 5 is by circulating oil bath heating absorbent granule, it is provided that heat required for desorbing.

Claims (10)

1. solid amine fluidized-bed reactor, it is characterized in that: include absorption reactor thermally (1), riser (2), cyclone separator (3), upper returning charge valve (4), regeneration reactor (5) and lower returning charge valve (6) that head and the tail are sequentially connected with, wherein descend returning charge valve (6) connection absorption reactor thermally (1).
2. such as claim 1 solid amine fluidized-bed reactor, it is characterised in that: the operation temperature of described absorption reactor thermally (1) is 40��80 DEG C.
3. such as claim 1 solid amine fluidized-bed reactor, it is characterised in that: the operation temperature of described regeneration reactor (5) is 100��130 DEG C.
4. such as claim 1 solid amine fluidized-bed reactor, it is characterised in that: described absorption reactor thermally (1), regeneration reactor (5) and lower returning charge valve (6) are two-layer pipe to carry out heat exchange, and internal temperature is measured in real time by thermocouple.
5. such as claim 1 solid amine fluidized-bed reactor, it is characterised in that: native system is additionally provided with a washing and emptying device (7), connection absorption reactor thermally (1) and regeneration reactor (5).
6. such as claim 5 solid amine fluidized-bed reactor, it is characterised in that: described connection absorption reactor thermally (1) and lower returning charge valve (6) are built with recirculated cooling water.
7. such as claim 1 solid amine fluidized-bed reactor, it is characterised in that: described absorption reactor thermally (1), upper returning charge valve (4), regeneration reactor (5), lower returning charge valve (6) are quartz ampoule, and internal diameter is 50mm.
8. such as claim 1 solid amine fluidized-bed reactor, it is characterised in that: described riser (2) internal diameter is 20mm.
9. such as claim 1 solid amine fluidized-bed reactor, it is characterised in that: described absorption reactor thermally (1), regeneration reactor (5) and lower returning charge valve (6) ectonexine spacing are 10mm.
10. such as claim 1 solid amine fluidized-bed reactor, it is characterised in that: described absorption reactor thermally (1) and riser (2) whole height are 2.1m.
CN201410580920.5A 2014-10-27 2014-10-27 Solid-state amine fluidized bed reactor Pending CN105617855A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410580920.5A CN105617855A (en) 2014-10-27 2014-10-27 Solid-state amine fluidized bed reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410580920.5A CN105617855A (en) 2014-10-27 2014-10-27 Solid-state amine fluidized bed reactor

Publications (1)

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CN105617855A true CN105617855A (en) 2016-06-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108636059A (en) * 2018-05-03 2018-10-12 太原理工大学 A kind of collecting carbonic anhydride and regenerated integrated apparatus and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108636059A (en) * 2018-05-03 2018-10-12 太原理工大学 A kind of collecting carbonic anhydride and regenerated integrated apparatus and method
CN108636059B (en) * 2018-05-03 2020-06-05 太原理工大学 Integrated device and method for capturing and regenerating carbon dioxide

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Application publication date: 20160601