CN106582201A - Carbon dioxide capturing compression system using flue gas and multistage compressing waste heat - Google Patents
Carbon dioxide capturing compression system using flue gas and multistage compressing waste heat Download PDFInfo
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- CN106582201A CN106582201A CN201710063052.7A CN201710063052A CN106582201A CN 106582201 A CN106582201 A CN 106582201A CN 201710063052 A CN201710063052 A CN 201710063052A CN 106582201 A CN106582201 A CN 106582201A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0462—Temperature swing adsorption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40001—Methods relating to additional, e.g. intermediate, treatment of process gas
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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
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/32—Direct CO2 mitigation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a carbon dioxide capturing compression system using flue gas and multistage compressing waste heat. The system comprises a flue gas pipeline and a heating water pipeline. The flue gas pipeline comprises a first heat exchanger and a second heat exchanger, a four-way reversing valve, a first temperature swing adsorption tower unit and a second temperature swing adsorption tower unit, a first three-way valve and a first compressor and a second compressor. The heating water pipeline comprises a water pump, a second three-way valve and a cooling tower. A multistage compressing cooling device formed by multistage of alternately connected heat exchangers and compressors can be connected between the outlet of the second compressor and the outlet of the flue gas pipeline, and the outlet of the last stage compressor is the outlet of the flue gas pipeline; and a water pump is connected in series to the low-temperature sides of all the heat exchangers. According to the system disclosed by the invention, by virtue of multistage compression and intermediate cooling, the compressing energy consumption before carbon dioxide is reduced; by combining the intermediate cooling and flue gas waste heat utilization of the compressor with temperature swing adsorption carbon capturing, the capacity of energy conservation and emission reduction of a coal-fired power plant is ensured; the two groups of temperature swing adsorption towers same in quantity ensure the industrial operating persistence so as to maintain the gas generating capacity of the system.
Description
Technical field
The present invention relates to a kind of realize that alternating temperature is inhaled using multi-stage compression, cooling during rolling technology low grade heat energy and fume afterheat
Attached carbon trapping processes coal-fired plant boiler flue gas, while the system for reducing compression carbon dioxide energy consumption, with low grade heat energy utilization
It is core with temp.-changing adsorption carbon trapping combination technology, while using multi-stage compression, cooling during rolling technology, meeting low energy consumption and catching
The demand of collection, compression boiler of power plant smoke carbon dioxide.
Background technology
The environment puzzlement that greenhouse effects bring has a strong impact on the normal life of the mankind, and the relevant report of International Energy Agency shows
Show, its arch-criminal is CO2, a large amount of utilizations of the energy and industrial department to fossil fuel then directly results in CO2Discharge capacity
Rise year by year, for example 600MW coal-burning power plants per hour will about 500 tons of carbon dioxide of discharge, its butt concentration reaches 12～
20vol%.In order to alleviate earth intensification situation, reduce greenhouse gas emission, reduce CO in air2Content is extremely urgent, coal-fired
Power plant is used as CO2CO is reclaimed in the main source of discharge, the trapping from power-plant flue gas2Become alleviation CO2The important hand of discharge crisis
Section.
The trapping technological process of carbon dioxide physisorphtion is simple, and adsorbent desorption ability is strong, has obtained wide in engineering
General utilization, adopts at present CO2 capturing device of the temp.-change adsorptive process designed by design considerations, heating adsorption tower to realize adsorbent
Huge energy consumption becomes the main cause for limiting the development of collecting carbonic anhydride technology in desorption process, is obtaining high concentration carbon dioxide
After product gas, carry out compression process that is canned, transporting front process needs substantial amounts of energy consumption again.How to greatest extent using coal-fired electricity
Factory's low grade heat energy, reduces trapping, compression carbon dioxide energy consumption, and can meet large-scale emission source carbon dioxide discharge-reduction is wanted
Ask.A kind of titanium dioxide of cascade utilization fume afterheat is disclosed in the Chinese invention patent application of Publication No. CN106039960A
Carbon traps liquefaction process, and the technique is based on MODEL OF CHEMICAL ABSORPTION PROCESS, absorption refrigeration process and compression condensation process, by step profit
With fume afterheat, first as the thermal source of absorbent regeneration, the thermal source of absorption refrigeration is re-used as, while secondary utilization absorbent
Regenerative process consume heat, using regeneration overhead carbon dioxide carry Low Temperature Thermal as absorption refrigeration thermal source, so as to have
Effect reduces the cost of collecting carbonic anhydride liquefaction, while its refrigeration of optimization design and liquefaction process, by the liquefaction temperature of carbon dioxide
Degree brings up to more than 5 DEG C, it is to avoid frozen block occurs and hydrate is formed, dehydration process is simplified.But chemical absorption method is realized
Collecting carbonic anhydride not as absorption method energy consumption it is low, while do not take measures reduce carbon dioxide compression during high energy consumption.
In addition, also have what is be improved for carbon dioxide adsorption trapping technique, such as Publication No. CN203990246U
Chinese utility model patent propose a kind of collecting carbonic anhydride deflector type ADSORPTION IN A FIXED BED tower, even gas distribution can be realized
The advantage such as good, gas long flow path, adsorbent utilization rate are high, bed is stable, can be suitable for the carbon dioxide of large, medium and small various scales
Trapping pressure-variable adsorption engineering, but it can be seen that lacking the improved overall sexual clorminance of system, the effect for individually playing is limited；It is open
Number disclose a kind of carbon dioxide utilized based on low grade heat energy and inhale de- for the Chinese invention patent application of CN105749696A
Attached system and method, combines the effect of UTILIZATION OF VESIDUAL HEAT IN and collecting carbonic anhydride dual-effect energy-saving, and it is with the low-grade heat in flue gas
Can originate as energy, with reference to physics alternating temperature circulation adsorption desorption is realized, improve efficiency, reduce system operation time, reduce
About sixty percent system energy consumption, reduces the pollution that the flue gas of thermal power plant is caused, and does not equally also consider the energy ezpenditure of compression process.
To sum up, prior art " fume afterheat utilization " and " trapping of temp.-changing adsorption carbon " two aspect have it is a certain degree of enter
Exhibition, but a kind of perfect system of shortage can utilize flue gas low grade heat energy in coal-burning power plant's system and temp.-changing adsorption carbon is trapped
While, and the reducing energy consumption that takes appropriate measures in follow-up compression process.
The content of the invention
To overcome the deficiencies in the prior art, the present invention to reduce carbon dioxide compression by multi-stage compression, cooling during rolling technology
Energy consumption, while making full use of intercooled low grade heat energy, and carries out reheating, by heating pipe by fume afterheat
Road realize temp.-changing adsorption trap boiler of power plant smoke carbon dioxide, while using double tower operational mode, it is ensured that system stability, continue
Operation, forms the low energy consumption collecting carbonic anhydride compressibility of complete set.
In order to solve the carbon dioxide of above-mentioned technical problem, a kind of utilization flue gas proposed by the present invention and multi-stage compression waste heat
Trapping compressibility, including flue gas pipeline and heating pipe road, are connected with First Heat Exchanger, institute in the import of the flue gas pipeline
The smoke inlet for stating the power plant that one end of the high temperature side of First Heat Exchanger is processed with Jing desulphurization denitrations is connected, the First Heat Exchanger
The other end of high temperature side be connected with the first temperature-change adsorption tower group by a four-way change-over valve, the first temperature-change adsorption tower group
It is connected with the second temperature-change adsorption tower group by the first triple valve, the 3rd mouth of first triple valve leads to air, described
Again four-way change-over valve described in Jing compresses successively two temperature-change adsorption tower groups with the first compressor, the high temperature side of the second heat exchanger and second
Machine is connected, and finally, the outlet of the flue gas pipeline is high-pressure high-concentration carbon dioxide and transports outlet；The heating pipe road bag
Include the water pump being connected with cooling tower condensation-water drain, water pump low temperature side successively with the second heat exchanger, First Heat Exchanger
Low temperature side is connected, the outlet of the low temperature side of the First Heat Exchanger by the second triple valve respectively with the first temperature-change adsorption tower group and
The passage of heat that adds of the second temperature-change adsorption tower group is connected, and the first temperature-change adsorption tower group adds the passage of heat and the second temperature-change adsorption tower group
Plus the outlet of the passage of heat is connected to the mouth spray of the cooling tower.
Further, in the present invention, connect from being exported between the outlet of the flue gas pipeline for second compressor
Have 2-5 levels compress cooling device, per grade compression cooling device by the heat exchanger and a compression mechanism being connected with each other into,
The compressor of rear stage is connected with the heat exchanger of previous stage；The outlet of afterbody compressor is the outlet of flue gas pipeline；It is described
Water pump from afterbody compression cooling device heat exchanger low temperature side successively to previous stage compression cooling device heat exchange
The low temperature side connection of device, until being connected to the low temperature side of First Heat Exchanger.
The first temperature-change adsorption tower group and the second temperature-change adsorption tower group include one or more quantity identical absorption
Tower.
The sorbing material filled in the first temperature-change adsorption tower group and the second temperature-change adsorption tower group is zeolite 13X, zeolite
One kind in 5A and olivine.
The adsorption temp of the first temperature-change adsorption tower group and the second temperature-change adsorption tower group is 25-35 DEG C, desorption temperature model
Enclose for 100-120 DEG C.
It is 105-110 DEG C that the outlet of first compressor is the inlet temperature of the high temperature side of second heat exchanger, institute
The outlet temperature for stating the high temperature side of i.e. described second heat exchanger of entrance of the second compressor is 30-40 DEG C.
The inlet temperature of the high temperature side of the First Heat Exchanger is 110-125 DEG C, the high temperature side of the First Heat Exchanger
Outlet temperature is 25-35 DEG C.
The First Heat Exchanger, the second heat exchanger are shell-and-tube heat exchanger, and tube side is high temperature side, and shell-side is low temperature side.
The heat exchanger of compression cooling devices at different levels is shell-and-tube heat exchanger, and tube side is high temperature side, and shell-side is low temperature side.
Compared with prior art, the invention has the beneficial effects as follows：
1. multi-stage compression, cooling during rolling process can reduce preparing the energy that high concentration high-pressure carbon dioxide enters transport process
Consumption.
2. compare absorption process carbon for the trapping of temp.-changing adsorption carbon and trap lower energy consumption, using carbon dioxide multi-stage compression,
Intercooled low grade heat energy, and reheating heat for needed for adsorption tower group provides desorption process is carried out by fume afterheat
Amount, it is ensured that coal-burning power plant's energy-saving and emission-reduction ability.
3. system aerogenesis continuation and aerogenesis are ensured using the circulation pattern that combines in parallel and serial of two groups of multiple adsorption towers
Amount, maintains industrial capacity.
Description of the drawings
Fig. 1 is the present invention using flue gas and the collecting carbonic anhydride compressibility schematic diagram of multi-stage compression waste heat.
In figure：
1- smoke inlet 2- First Heat Exchanger 3- four-way change-over valves
4- the first temperature-change adsorption tower group 5- the second temperature-change adsorption tower the first triple valves of group 6-
7- air 8- the first compressor the second heat exchangers of 9-
10- the second compressor 11- high concentration high-pressure carbon dioxides transport outlet 12- water pumps
13- the second triple valve 14- cooling towers
Specific embodiment
Below in conjunction with the accompanying drawings technical solution of the present invention is described in further detail with specific embodiment, described is concrete
Embodiment is only explained to the present invention, not to limit the present invention.
The collecting carbonic anhydride compressibility of a kind of utilization flue gas of the present invention and multi-stage compression waste heat be using multi-stage compression,
Cooling during rolling technology low grade heat energy and fume afterheat realize that temp.-changing adsorption carbon traps treatment of Power boiler smoke, while reducing pressure
The system of the energy consumption that contracting carbon dioxide is transported, is utilized with low grade heat energy and traps combination technology as core with temp.-changing adsorption carbon
Multi-stage compression, cooling during rolling technology are utilized simultaneously, meet the demand that low energy consumption traps boiler of power plant smoke carbon dioxide.This is
System includes flue gas pipeline and heating pipe road.
As shown in figure 1, First Heat Exchanger 2 is connected with the import of the flue gas pipeline, the high temperature of the First Heat Exchanger 2
The smoke inlet 1 of the power plant that one end of side is processed with Jing desulphurization denitrations is connected, the other end of the high temperature side of the First Heat Exchanger 2
It is connected with the first temperature-change adsorption tower group 4 by a four-way change-over valve 3, the first temperature-change adsorption tower group 4 passes through the first threeway
Valve 6 is connected with the second temperature-change adsorption tower group 5, and the 3rd mouth of first triple valve 6 leads to air 7, and second alternating temperature is inhaled
Attached tower group 5 again four-way change-over valve 3 described in Jing successively with the first compressor 8, the high temperature side of the second heat exchanger 9 and the second compressor 10
It is connected, finally, the outlet of the flue gas pipeline is high-pressure high-concentration carbon dioxide and transports outlet 11.
The heating pipe road includes the water pump 12 being connected with the condensation-water drain of cooling tower 14, and the water pump 12 is successively with
The low temperature side of two heat exchangers 9, the low temperature side of First Heat Exchanger 2 are connected, and the outlet of the low temperature side of the First Heat Exchanger 2 is by the
Two triple valves 13 are connected respectively with the passage of heat that adds of the first temperature-change adsorption tower group 4 and the second temperature-change adsorption tower group 5, and described first becomes
The outlet of warm adsorption tower group 4 plus the passage of heat and the second temperature-change adsorption tower group 5 plus the passage of heat is connected to the spray of the cooling tower 14
Drench mouth.
The workflow on heating pipe road is in the present invention：Pressure is lifted from the cooling water Jing water pumps 12 of the outlet of cooling tower 14
Power, sequentially passing through the second heat exchanger 9, the heat absorption intensification of First Heat Exchanger 2 becomes high-temperature water, under state 1 shown in Fig. 1, the two or three
Enter the right side under port valve 13 to go out, high-temperature water enters cooling after heating adsorbent into the second temperature-change adsorption tower group 5 plus the passage of heat
Tower 14 is cooled to cooling water, if first circulation of flue gas pipeline is completed, enters a left side under the second triple valve 13 and goes out, and high-temperature water is entered
First temperature-change adsorption tower group 4 plus the passage of heat are cooled to cooling water after heating to adsorbent into cooling tower 14, realize double tower
The switching of heating.
The workflow of flue gas pipeline is in the present invention：The temperature of flue gas Jing First Heat Exchangers 2 of Jing desulphurization denitrations is down to 25-
35 DEG C, four-way change-over valve 3 shown in state 1 is adsorbed into the first temperature-change adsorption tower group 4 by zeolite 13X in Jing such as Fig. 1, now
The left side of one triple valve 6 goes out under entering, and remaining the first triple valves of flue gas Jing 6 enter atmospheric outlet 7, now heated water lines heating
Second temperature-change adsorption tower group 5 starts desorption process, the one-level pressures of the first compressors of four-way change-over valve Jing shown in state 18 in Jing such as Fig. 1
Exchanged heat into the second heat exchanger 9 after contracting, carbon dioxide temperature is reduced to 30-40 DEG C by 105-110 DEG C, the compressors of Jing second
Become high concentration high-pressure carbon dioxide after 10 compressions into 11 processes are transported, the second compressor 10 can also connect 1-3 heat exchanger
And compressor combination is formed to be entered after multi-stage compression and transports 11 processes, completes first circulation；Afterwards four-way change-over valve is clockwise
It turn 90 degrees as shown in state 2 in Fig. 1, zeolite 13X carries out adsorption process in the second temperature-change adsorption tower group 5, realizes adsorption-desorption mistake
The switching of journey, now the right side of the first triple valve 6 go out under entering, remaining the first triple valves of flue gas Jing 6 enter atmospheric outlet, heated water
The first temperature-change adsorption tower group 4 of pipeline heating starts desorption process, high concentration carbon dioxide Jing and first circulation identical two
Level compression, cooling during rolling transport outlet 11 and realize transport process into high-pressure high-concentration carbon dioxide, follow so as to complete second
Ring.
Certainly, 1-3 heat exchanger can be also connected after the second compressor 10 and compressor combination forms multi-stage compression and enters
Transport process, is finally completed second circulation.On the basis of system shown in Figure 1, from being exported to for second compressor 10
It is connected with 2-5 levels compression cooling device between the outlet of the flue gas pipeline, per grade of compression cooling device is by being connected with each other
One heat exchanger and a compression mechanism are into the compressor of rear stage is connected with the heat exchanger of previous stage；Afterbody compressor
Outlet for flue gas pipeline outlet；The water pump 12 from afterbody compression cooling device heat exchanger low temperature side successively
To the low temperature side connection of the heat exchanger of the compression cooling device of previous stage, until the low temperature side of First Heat Exchanger 2 is connected to, so as to
Form multi-stage compression, cooling during rolling process.
In the present invention, the sorbent material filled in the first temperature-change adsorption tower group 8 and the second temperature-change adsorption tower group 11
For zeolite 13X or zeolite 5A or olivine etc., and desorption temperature scope is 100-120 DEG C.
If the first temperature-change adsorption tower group 8 includes that multiple quantity are identical with each adsorption tower group in the second temperature-change adsorption tower group 10
Adsorption tower, connect simultaneously one or more adsorption towers of each adsorption tower realize fully absorption, improve outlet gas concentration lwevel,
I.e. each adsorption tower group includes adsorption tower in parallel and serial.
The heat exchanger of First Heat Exchanger 2, the second heat exchanger 9 and compression cooling device at different levels is shell-and-tube heat exchanger, manages
Side is high temperature side, and shell-side is low temperature side.The inlet temperature of the high temperature side of the First Heat Exchanger 2 be 110-125 DEG C, described first
The outlet temperature of the high temperature side of heat exchanger 2 is 25-35 DEG C.The outlet of first compressor 8 is the height of second heat exchanger 9
The inlet temperature of warm side is 105-110 DEG C, and the entrance of second compressor 10 is going out for the high temperature side of second heat exchanger 9
Mouth temperature is 30-40 DEG C.
The present invention realizes that temp.-changing adsorption carbon is trapped using multi-stage compression, cooling during rolling technology low grade heat energy and fume afterheat
Treatment of Power boiler smoke, while reduce the system of energy consumption that compression carbon dioxide is transported, with low grade heat energy utilize with
Temp.-changing adsorption carbon trapping combination technology is that core utilizes multi-stage compression, cooling during rolling technology simultaneously, meets low energy consumption trapping electricity
The demand of factory's boiler smoke carbon dioxide.
Although above in conjunction with accompanying drawing, invention has been described, the invention is not limited in above-mentioned being embodied as
Mode, above-mentioned specific embodiment is only schematic, rather than restricted, and one of ordinary skill in the art is at this
Under the enlightenment of invention, without deviating from the spirit of the invention, many variations can also be made, these belong to the present invention's
Within protection.
Claims (9)
1. the collecting carbonic anhydride compressibility of a kind of utilization flue gas and multi-stage compression waste heat, including flue gas pipeline and heating pipe
Road, it is characterised in that：
Be connected with First Heat Exchanger (2) in the import of the flue gas pipeline, one end of the high temperature side of the First Heat Exchanger (2) with
The smoke inlet (1) of the power plant of Jing desulphurization denitrations process is connected, and the other end of the high temperature side of the First Heat Exchanger (2) passes through one
Individual four-way change-over valve (3) is connected with the first temperature-change adsorption tower group (4), and the first temperature-change adsorption tower group (4) is by the first threeway
Valve (6) is connected with the second temperature-change adsorption tower group (5), and the 3rd mouth of first triple valve (6) leads to air (7), and described
Two temperature-change adsorption tower groups (5) and four-way change-over valve (3) described in Jing successively with the first compressor (8), the high temperature of the second heat exchanger (9)
Side is connected with the second compressor (10), and finally, the outlet of the flue gas pipeline is high-pressure high-concentration carbon dioxide and transports outlet
(11)；
The heating pipe road includes the water pump (12) being connected with cooling tower (14) condensation-water drain, the water pump (12) successively with
The low temperature side of the second heat exchanger (9), the low temperature side of First Heat Exchanger (2) are connected, and the low temperature side of the First Heat Exchanger (2) goes out
Mouthful the passage of heat is added with the first temperature-change adsorption tower group (4) and the second temperature-change adsorption tower group (5) by the second triple valve (13) respectively
It is connected, the outlet of the first temperature-change adsorption tower group (4) plus the passage of heat and the second temperature-change adsorption tower group (5) plus the passage of heat is all connected with
To the mouth spray of the cooling tower (14).
2., according to claim 1 using flue gas and the collecting carbonic anhydride compressibility of multi-stage compression waste heat, its feature exists
In, 2-5 levels compression cooling device is connected with from being exported between the outlet of the flue gas pipeline for second compressor (10),
Per grade of compression cooling device by the heat exchanger and a compression mechanism being connected with each other into, the compressor of rear stage with it is previous
The heat exchanger of level is connected；The outlet of afterbody compressor is the outlet of flue gas pipeline；The water pump (12) is from afterbody
Low temperature side of the low temperature side of the heat exchanger of compression cooling device successively to the heat exchanger of the compression cooling device of previous stage connects, directly
To the low temperature side for being connected to First Heat Exchanger (2).
3. the collecting carbonic anhydride compressibility of utilization flue gas according to claim 1 or claim 2 and multi-stage compression waste heat, its feature
It is that the first temperature-change adsorption tower group (4) and the second temperature-change adsorption tower group (5) include that one or more quantity identicals are inhaled
Attached tower.
4. the collecting carbonic anhydride compressibility of utilization flue gas according to claim 1 or claim 2 and multi-stage compression waste heat, its feature
It is that the sorbing material of filling is zeolite 13X, boiling in the first temperature-change adsorption tower group (4) and the second temperature-change adsorption tower group (5)
One kind in stone 5A and olivine.
5. the collecting carbonic anhydride compressibility of utilization flue gas according to claim 1 or claim 2 and multi-stage compression waste heat, its feature
It is that the adsorption temp of the first temperature-change adsorption tower group (4) and the second temperature-change adsorption tower group (5) is 25-35 DEG C, desorption temperature
Scope is 100-120 DEG C.
6. the collecting carbonic anhydride compressibility of utilization flue gas according to claim 1 or claim 2 and multi-stage compression waste heat, its feature
It is that it is 105-110 DEG C that the outlet of first compressor (8) is the inlet temperature of the high temperature side of second heat exchanger (9),
It is 30-40 DEG C that the entrance of second compressor (10) is the outlet temperature of the high temperature side of second heat exchanger (9).
7. the collecting carbonic anhydride compressibility of utilization flue gas according to claim 1 or claim 2 and multi-stage compression waste heat, its feature
It is that the inlet temperature of the high temperature side of the First Heat Exchanger (2) is 110-125 DEG C, the high temperature side of the First Heat Exchanger (2)
Outlet temperature be 25-35 DEG C.
8. the collecting carbonic anhydride compressibility of utilization flue gas according to claim 1 or claim 2 and multi-stage compression waste heat, its feature
It is that the First Heat Exchanger (2), the second heat exchanger (9) are shell-and-tube heat exchanger, tube side is high temperature side, and shell-side is low temperature side.
9., according to claim 8 using flue gas and the collecting carbonic anhydride compressibility of multi-stage compression waste heat, its feature exists
In the heat exchanger of compression cooling devices at different levels is shell-and-tube heat exchanger, and tube side is high temperature side, and shell-side is low temperature side.
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| CN201710063052.7A CN106582201A (en) | 2017-01-25 | 2017-01-25 | Carbon dioxide capturing compression system using flue gas and multistage compressing waste heat |
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| CN201710063052.7A CN106582201A (en) | 2017-01-25 | 2017-01-25 | Carbon dioxide capturing compression system using flue gas and multistage compressing waste heat |
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| CN109200749A (en) * | 2018-09-29 | 2019-01-15 | 天津大学 | A kind of temp.-changing adsorption carbon capture system of microwave heating auxiliary desorption process |
| CN109991042A (en) * | 2019-04-18 | 2019-07-09 | 国珍健康科技（北京）有限公司 | A kind of volatile organic matter multistage enriching apparatus and method |
| CN112105441A (en) * | 2018-10-30 | 2020-12-18 | 川崎重工业株式会社 | Carbon dioxide separation and recovery system and method |
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| CN115077130B (en) * | 2022-05-31 | 2023-03-10 | 上海交通大学 | Double-heat-source heat pump type air carbon direct trapping system |
| CN115077130A (en) * | 2022-05-31 | 2022-09-20 | 上海交通大学 | Double-heat-source heat pump type air carbon direct trapping system |
| CN115414765A (en) * | 2022-09-22 | 2022-12-02 | 江苏科技大学 | Carbon dioxide capture system with backflow circulation function and capture method thereof |
| CN115414765B (en) * | 2022-09-22 | 2024-01-23 | 江苏科技大学 | Carbon dioxide trapping system with reflux circulation function and trapping method thereof |
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