CN105903310A - CO2 trapping system and heating system for regenerating tower of CO2 trapping system - Google Patents
CO2 trapping system and heating system for regenerating tower of CO2 trapping system Download PDFInfo
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- CN105903310A CN105903310A CN201610393343.8A CN201610393343A CN105903310A CN 105903310 A CN105903310 A CN 105903310A CN 201610393343 A CN201610393343 A CN 201610393343A CN 105903310 A CN105903310 A CN 105903310A
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- Prior art keywords
- regenerator
- tower
- heating
- absorbent
- heating system
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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.)
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Classifications
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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
-
- 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
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0438—Cooling or heating systems
-
- 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
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/40092—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot liquid
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a heating system for a regenerating tower of a CO2 trapping system. The heating system comprises a steam turbine condenser and a smoke cooler. The steam turbine condenser is connected with a cooling tower and used for heating cooling water output by the cooling tower. The smoke cooler is connected with the steam turbine condenser and used for heating water output by the steam turbine condenser. The water output by the smoke cooler can be conveyed to the regenerating tower. According to the heating system for the regenerating tower, the cooling water is sequentially heated through the steam turbine condenser and the smoke cooler, in other words, steam waste heat at a steam turbine and waste heat of smoke are sequentially used for heating the cooling water conveyed to the regenerating tower, therefore, energy consumed for temperature rise of the cooling water is reduced and even avoided when the cooling water is applied to the regenerating tower, and the effects of saving energy and reducing the production cost are achieved. The invention further provides the CO2 trapping system. The heating system for the regenerating tower is applied to the CO2 trapping system. Electric energy consumed by the regenerating tower can be reduced and even avoided, so that energy is saved, and the production cost is reduced.
Description
Technical field
The present invention relates to Mechanical Industry Technology field, more particularly, it relates to a kind of CO2Trapping system is again
Raw tower heating system, further relates to a kind of CO2Trapping system.
Background technology
At present, the C0 being widely used in power industry2Trapping system includes absorption tower and regenerator, wherein,
Regenerator needs to expend a large amount of heat energy in process of production, and required in regenerator work process in prior art
The heat wanted is to be converted electrical energy into heat energy by heater to provide, and causes for C02The absorbent of trapping enters
Need to expend relatively multi-energy during row regeneration, increase production cost, and be unfavorable for saving the energy.
In sum, how to reduce institute's consumed energy in regenerator work process, be those skilled in the art
Technical problem urgently to be resolved hurrily.
Summary of the invention
In view of this, the present invention provides a kind of CO2The regenerator heating system of trapping system, it utilizes electricity
In factory, the waste-heat cooling water of various equipment, improves the temperature of above-mentioned cooling water, thus reduces and even keep away
Exempt from regenerator production process adds the electric energy that hot cooling water is consumed, thus save the energy, reduce and produce into
This.The present invention also provides for a kind of CO2Trapping system, it applies above-mentioned regenerator heating system, it is possible to
Reduce and even avoid regenerator to expend electric energy, save the energy, reduce production cost.
For achieving the above object, the present invention provides following technical scheme:
A kind of CO2The regenerator heating system of trapping system, including:
The turbine condenser being connected with cooling tower, described turbine condenser is for heating by described cooling
The cooling water of tower output；
The gas cooler being connected with described turbine condenser, described gas cooler is for heating by institute
State the water of turbine condenser output；
Wherein, the water of described gas cooler output can be delivered to described regenerator.
Preferably, in above-mentioned regenerator heating system, also include being arranged on described gas cooler and institute
State the solar heater between regenerator.
Preferably, in above-mentioned regenerator heating system, the outlet tube of described solar heater includes
One outlet tube and the second outlet tube, described first outlet tube is used for connecting with the boiling device of described regenerator,
Described second outlet tube is for connecting with the steam heater of described regenerator.
A kind of CO2Trapping system, including regenerator with for the heating system of regenerator, described heating system
Unite as the regenerator heating system described in any one in technique scheme.
Preferably, above-mentioned CO2In trapping system, described CO2The absorption tower of trapping system is used for and flue gas
The exhanst gas outlet connection of cooler, and in described absorption tower, it is provided with CO in absorbing flue gas2Absorption
Agent.
Preferably, above-mentioned CO2In trapping system, between described absorption tower and described regenerator, it is provided with separation
Tower, described knockout tower is for making the rich solution exported by described absorption tower be separated into absorbent concentrated phase rich solution and suction
Receive agent dilute phase rich solution, and described knockout tower is provided with for described absorbent concentrated phase rich solution is delivered to institute
State the first conveying pipe on regenerator top, and for by described defeated time described absorption of absorbent dilute phase rich solution
Second conveying pipe of tower.
Preferably, above-mentioned CO2In trapping system, described second conveying pipe is provided with blender, described regeneration
The absorbent delivery outlet of tower connects with the input port of described blender.
The present invention provides a kind of CO2The regenerator heating system of trapping system, comprising: steam turbine condensing
Device and gas cooler；Turbine condenser is connected with cooling tower, and export by cooling tower for heating
Cooling water；Gas cooler is connected with turbine condenser, and it is for heating by turbine condenser
The water of output；Wherein, the water of gas cooler output can be delivered to regenerator.
The regenerator heating system that the present invention provides makes cooling water cold by turbine condenser and flue gas successively
But device heats, and utilizes at steam turbine the waste-heat of steam waste heat and flue gas for carrying the most successively
To the cooling water of regenerator, thus reduce and even avoid above-mentioned cooling water to heat up when regenerator being consumed
The energy taken, thus obtain the effect saved the energy, reduce production cost.
The present invention also provides for a kind of CO2Trapping system, it applies above-mentioned regenerator heating system, it is possible to
Reduce and even avoid regenerator to expend electric energy, thus save the energy, reduce production cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The CO that Fig. 1 provides for the embodiment of the present invention2The structural representation of trapping system；
Wherein, in figure 1 above:
Cooling tower 101；Turbine condenser 102；Gas cooler 103；Absorption tower 104；Blender 105；
Knockout tower 106；Cooler 107；Regenerator 108；Steam heater 181；Boiling device 182；Solar energy adds
Hot device 109.
Detailed description of the invention
The embodiment of the invention discloses a kind of CO2The regenerator heating system of trapping system, it utilizes power plant
In the waste-heat cooling water of various equipment, improve the temperature of above-mentioned cooling water, thus reduce and even avoid
Regenerator 108 production process adds the electric energy that hot cooling water is consumed, saves the energy, reduce production cost.
The embodiment of the invention also discloses a kind of CO2Trapping system, it applies above-mentioned regenerator heating system,
Can reduce and even avoid regenerator to expend electric energy, save the energy, reduce production cost.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of CO2The regenerator heating system of trapping system,
Comprising: turbine condenser 102 and gas cooler 103；Turbine condenser 102 and cooling tower 101
It is connected, and the cooling water that turbine condenser 102 is exported by cooling tower 101 for heating；Gas cooler
103 are connected with turbine condenser 102, and gas cooler 103 is for heating by turbine condenser
The water of 102 outputs；Wherein, the water of gas cooler 103 output can be delivered to regenerator 108.
The regenerator heating system that the embodiment of the present invention provides makes cooling water successively by turbine condenser
102 and gas cooler 103 heat, utilize the waste heat of steam waste heat at steam turbine, flue gas the most successively
Heating is for being delivered to the cooling water of regenerator 108, thus reduces and even avoid above-mentioned cooling water in again
Energy spent by heating up during raw tower 108, thus obtain the effect saved the energy, reduce production cost.
In order to improve the temperature of the water for regenerator 108 further, the regenerator that above-described embodiment provides is used
Heating system also includes for being arranged on the solar energy heating between gas cooler 103 and regenerator 108
Device 109, the input of solar heater 109 and gas cooler 103 are used for exporting the port of water even
Logical, and the outfan of described solar heater 109 is for connecting with regenerator 108.
In the program, heat required during regenerator 108 absorbent regeneration coupled surplus heat of power plant and
Solar energy, it can be ensured that heat is sufficient, it is to avoid the electric power adds hot cooling water, makes absorbent realize green
Regeneration.Meanwhile, in the program, recirculated water through turbine condenser 102 (water temperature can be made close to 40 DEG C),
Gas cooler 103 (water temperature can be made to reach more than 80 DEG C), solar heater 109 (can make water temperature the highest
Reaching 120 DEG C) three phases heats layer by layer, has and regulate nargin more flexibly, and unit disposal ability is big,
The needs of jumbo absorbent regeneration process can be met.
Concrete, in above-mentioned regenerator 108 heating system, the outlet tube of solar heater 109 includes the
One outlet tube and the second outlet tube, the first outlet tube is used for connecting with the boiling device 182 of regenerator 108, the
Two outlet tubes, for connecting with the steam heater 181 of regenerator 108, i.e. enter one through solar heater 109
Moisture two-way after step heating is respectively supplied to boiling device 182 and the steam heater 181 of regenerator 108, makes
Regenerator 108 can be operated as follows:
Separated tower 106 is delivered to the absorbent concentrated phase rich solution of regenerator 108 and is sprayed by the top of regenerator 108
Head sprays and flows downward, and simultaneously by the vapours heating risen on regenerator 108 bottom, wherein, steam adds
The vapours risen on above-mentioned regenerator 108 bottom of heating of hot device 181, it is achieved inhale in the way of stripping desorbing
Go out part CO in absorbent2, the absorbent semi lean solution after stripping desorbing enters bottom regenerator 108
Boiling device 182 does further desorbing, and by remaining CO2It is totally separated out, so that absorbent becomes
Lean solution, lean solution is flowed out by bottom regenerator 108, the CO of absorbent removing simultaneously2By going out of regenerator top
CO is arrived after mouth entrance cooler 107 cooling2Compressibility is compressed reclaiming.
The regenerator heating system that this programme provides provides two-way thermal source to regenerator 108, makes regenerator
The heat distribution of 108 is more uniform, it is simple to absorbent fully removes CO2And regenerate, and make absorbent
Regenerative process has bigger regulation nargin.
The embodiment of the present invention also provides for a kind of CO2Trapping system, it includes regenerator 108 and for regenerator
The heating system of 108, the regenerator heating system that heating system provides for above-described embodiment.
The CO that the embodiment of the present invention provides2Trapping system applies above-mentioned regenerator heating system, it is possible to subtract
Even avoid regenerator 108 to expend electric energy less, thus save the energy, reduce production cost.Certainly, this
The CO that bright embodiment provides2The relevant regenerator heating that trapping system also has above-described embodiment and provides is
Other effect of system, does not repeats them here.
Concrete, above-mentioned CO2In trapping system, its absorption tower 104 goes out for the flue gas with flue gas condenser
Mouth connection, and in absorption tower 104, it is provided with the CO in absorbing flue gas2Absorbent.
Above-mentioned CO2In trapping system, between absorption tower 104 and regenerator 108, it is provided with knockout tower 106, separates
Tower 106 is separated into absorbent concentrated phase rich solution and absorbent dilute phase richness for making the rich solution exported by absorption tower 104
Liquid, knockout tower 106 be provided with for above-mentioned absorbent concentrated phase rich solution is delivered to regenerator 108 top
One conveying pipe, and for by the second conveying pipe on defeated time absorption tower 104 of above-mentioned absorbent dilute phase rich solution.
Concrete, above-mentioned absorbent is the mixed liquor of ionic liquid, organic amine, water, and this absorbent absorbs
CO2 forms rich solution, and it is organic that rich solution is delivered to after knockout tower 106 separates to be formed rich in major part CO2
Amine liquid and comprise only the ionic liquid of fraction CO2 and the mixture of water, wherein, organic amine liquid conduct
Absorbent concentrated phase rich solution is delivered to the top of regenerator 108, ionic liquid and the mixing of water by the first conveying pipe
Thing is managed defeated go back to absorption tower 104 as absorbent dilute phase rich solution by the second conveying.
In the CO2 trapping system that the present embodiment provides, absorbent can absorb in absorption tower 104 in a large number
CO2, and after knockout tower 106 separates, form two kinds of CO2The liquid that content is different, wherein CO2Content is big
Liquid be delivered to regenerator 108 and regenerate, and CO2Defeated time absorption tower 104 of the liquid that content is little, it is possible to
Minimizing carries out the amount of the absorbent regenerated, thus reduces the burden of regenerator 108, and reduces regeneration further
Institute's calorific requirement during tower 108 absorbent regeneration.
Above-mentioned CO2In trapping system, the second conveying pipe is provided with blender 105, the suction bottom regenerator 108
Receive agent delivery outlet to connect with the input port of blender 105, and blender 105 will regenerate in regenerator 108
CO2Defeated time absorption tower 104 of the absorbent of rear formation.Concrete, the suction of formation after regenerator 108 regenerates
Receive agent A liquid and the absorbent B liquid exported by knockout tower 106 is mixed to form absorbent at blender 105
The most defeated time absorption tower 104.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (7)
1. a CO2The regenerator heating system of trapping system, it is characterised in that including:
The turbine condenser being connected with cooling tower, described turbine condenser is for heating by described cooling
The cooling water of tower output；
The gas cooler being connected with described turbine condenser, described gas cooler is for heating by institute
State the water of turbine condenser output；
Wherein, the water of described gas cooler output can be delivered to described regenerator.
Regenerator heating system the most according to claim 1, it is characterised in that also include arranging
Solar heater between described gas cooler and described regenerator.
Regenerator heating system the most according to claim 2, it is characterised in that described solar energy
The outlet tube of heater includes the first outlet tube and the second outlet tube, and described first outlet tube is for described
The boiling device connection of regenerator, described second outlet tube is for connecting with the steam heater of described regenerator.
4. a CO2Trapping system, it is characterised in that include regenerator and the heating system for regenerator
System, described heating system is the regenerator heating system described in claim 1-3 any one.
CO the most according to claim 42Trapping system, it is characterised in that described CO2Trapping system
The absorption tower of system for connecting with the exhanst gas outlet of gas cooler, and be provided with in described absorption tower for
Absorb CO in flue gas2Absorbent.
CO the most according to claim 52Trapping system, it is characterised in that described absorption tower and institute
Stating and be provided with knockout tower between regenerator, described knockout tower separates for making the rich solution exported by described absorption tower
Become absorbent concentrated phase rich solution and absorbent dilute phase rich solution, and described knockout tower is provided with for by described suction
Receive agent concentrated phase rich solution and be delivered to the first conveying pipe on described regenerator top, and for by described absorbent
The second conveying pipe on defeated time described absorption tower of dilute phase rich solution.
CO the most according to claim 62Trapping system, it is characterised in that described second conveying pipe
Being provided with blender, the absorbent delivery outlet of described regenerator connects with the input port of described blender.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393343.8A CN105903310A (en) | 2016-06-02 | 2016-06-02 | CO2 trapping system and heating system for regenerating tower of CO2 trapping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393343.8A CN105903310A (en) | 2016-06-02 | 2016-06-02 | CO2 trapping system and heating system for regenerating tower of CO2 trapping system |
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| Publication Number | Publication Date |
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| CN105903310A true CN105903310A (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610393343.8A Pending CN105903310A (en) | 2016-06-02 | 2016-06-02 | CO2 trapping system and heating system for regenerating tower of CO2 trapping system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075693A (en) * | 2019-05-27 | 2019-08-02 | 中国能源建设集团广东省电力设计研究院有限公司 | CO in a kind of separation coal-fired plant flue gas2System and technique |
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| JPH06226039A (en) * | 1992-11-30 | 1994-08-16 | Nec Corp | Organic waste gas treating equipment |
| CN102553396A (en) * | 2011-12-23 | 2012-07-11 | 武汉凯迪工程技术研究总院有限公司 | Method for trapping carbon dioxide in flue gas of power station with high efficiency and low energy consumption and equipment adopting same |
| CN103752142A (en) * | 2014-01-26 | 2014-04-30 | 天津大学 | Solar aided carbon dioxide trapping integrated system |
| CN103961979A (en) * | 2014-04-28 | 2014-08-06 | 中国华能集团清洁能源技术研究院有限公司 | Multistage division regenerative carbon dioxide trapping system and technology |
| CN104399356A (en) * | 2014-11-05 | 2015-03-11 | 中国华能集团清洁能源技术研究院有限公司 | Carbon dioxide capture system |
| CN104998518A (en) * | 2015-07-29 | 2015-10-28 | 广东电网有限责任公司电力科学研究院 | CO2 gathering method and system with low energy consumption and absorbent capable of being extracted and regenerated |
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2016
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|---|---|---|---|---|
| EP0453588A1 (en) * | 1989-05-16 | 1991-10-30 | Calgon Carbon Corporation | Process for removing solvents and other contaminants from an inlet solvent laden air path |
| JPH06226039A (en) * | 1992-11-30 | 1994-08-16 | Nec Corp | Organic waste gas treating equipment |
| CN102553396A (en) * | 2011-12-23 | 2012-07-11 | 武汉凯迪工程技术研究总院有限公司 | Method for trapping carbon dioxide in flue gas of power station with high efficiency and low energy consumption and equipment adopting same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075693A (en) * | 2019-05-27 | 2019-08-02 | 中国能源建设集团广东省电力设计研究院有限公司 | CO in a kind of separation coal-fired plant flue gas2System and technique |
| CN110075693B (en) * | 2019-05-27 | 2021-10-01 | 中国能源建设集团广东省电力设计研究院有限公司 | Separation of CO from flue gas of coal-fired power plant2Systems and processes |
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Application publication date: 20160831 |