CN208426848U

CN208426848U - Modular carbon dioxide treatment system

Info

Publication number: CN208426848U
Application number: CN201820853461.7U
Authority: CN
Inventors: 梁海文; 严圣杰
Original assignee: CISDI Shanghai Engineering Co Ltd
Current assignee: CISDI Shanghai Engineering Co Ltd
Priority date: 2018-06-04
Filing date: 2018-06-04
Publication date: 2019-01-25
Anticipated expiration: 2028-06-04

Abstract

The utility model provides modular carbon dioxide treatment system, including absorption module, heat exchange module, regeneration module and recycling module, pass through absorption module absorbing carbon dioxide, richness/lean solution is separated by heat exchange module, rich solution and lean solution are recycled by regeneration module, richness/the lean solution retained by recycling module processing system, the modular carbon dioxide capture system uses modular technology, pass through modularized design and modular manufacturing, it can achieve the purpose that standardization and seriation, guarantee modular manufacture quality, reduce manufacturing cost and late maintenance cost, and using the modularization assembling method of " playing with building blocks " formula, construction technical requirement can significantly be reduced, simplify construction and installation operation, shorten construction period, it is easy to promote and utilize.

Description

Modular carbon dioxide treatment system

Technical field

The utility model belongs to energy conservation and environmental protection, more particularly to modular carbon dioxide treatment system.

Background technique

It is obtained in the buildings such as building, garden and region energy supply using gas turbine as the distributed busbar protection of core and is answered extensively With, by application provide multiple forms of energy to complement each other, Poly-generation, multi-source optimization and energy microgrid, distributed busbar protection provide cleaning, spirit Living, safe and efficient Regional Energy solution, forms a large amount of good engineering practice.

For natural gas as clean energy resource, combustion product is mainly carbon dioxide and vapor.Using combustion gas as point of the energy Cloth energy source station can theoretically provide clean energy resource solution relative to coal-fired, liquid fuel technology.But the tail after burning Still contain a large amount of carbon dioxide in gas.These carbon dioxide are directly discharged into atmosphere without trapping, to " imitating in greenhouse for the whole world Answer " still generate lasting negative effect.

The trapping of carbon dioxide is feasible carbon dioxide discharge-reduction, storage and transportation mode in tail gas.But existing energy source station is simultaneously Not set carbon dioxide capture system is transformed and constructs and is complex, and difficulty of construction and cost are larger.For creating energy source station For, even if integrated carbon dioxide capture system considerably increases building for conventional on-site mounting means due to system process complexity Make period and construction cost.In addition to this, traditional manufacture and mounting means apply the peopleware of work progress, scene Work management, the cost control of project and security management and control, are proposed biggish challenge, affect collecting carbonic anhydride technology in energy Popularization and application on source station.Therefore, study that a kind of horizontal height of modularization, site operation safe and convenient, project be integrated or transformation hardly possible It is very necessary to spend low system manufacture and mounting technique.

Utility model content

In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide at modular carbon dioxide Reason system is related to that non-standard component is more, difficulty of construction is big, is not easy to make for solving carbon dioxide treatment system in the prior art It makes and builds and the problem of higher cost.

In order to achieve the above objects and other related objects, the utility model provides modular carbon dioxide treatment system, Using the carbon dioxide in hydramine method trapping tail gas, rich solution is converted by lean solution absorbing carbon dioxide, then to carbon dioxide It is handled, the modular carbon dioxide treatment system includes: absorption module, and the absorption module includes poor for storing The absorption tower of liquid and rich solution, tail gas are connected to by pipeline with absorption tower；Heat exchange module, the heat exchange module include for conveying richness The rich solution delivery pump of liquid, the lean solution delivery pump for conveying lean solution and for the heat exchanger of heat exchange, the absorption tower passes through Rich solution delivery pump is connected to heat-exchanger pipeline, and the heat exchanger is connected to by lean solution delivery pump with absorption module pipeline；Again Raw module, the regeneration module include for storing the regenerator of lean solution and rich solution, the separator for separating liquid and use In the reboiler of boiling liquid, the top of the regenerator is connected to the separator, the bottom of the regenerator and it is described again Device connection is boiled, the reboiler is connected to the heat exchanger；Recycling module, including the alkali slot for storing lye and for adding The heater of heat, the heater are connected to the absorption tower pipeline, one in absorption module, heat exchange module and regeneration module Or it multiple is connected to alkali barrel road.

Optionally, the modular carbon dioxide treatment system includes the air inducing module for tail gas pressurization, described to draw Wind module is connected to the absorb the bottom of the tower.

Optionally, the modular carbon dioxide treatment system includes washing tail gas module, the washing tail gas module Including for storing cleaning solution absorbing liquid storage tank, for the washing tail gas pump of pressurization and for the first cooling cooler, The absorption tower, the absorbing liquid storage tank, washing tail gas pump and the first cooler are recycled by pipeline and are connected to.

Optionally, the modular carbon dioxide treatment system further includes lean solution processing module, and the lean solution handles mould Block includes the second cooler and filter, and second cooler is connected to the filter pipes, the heat exchange module and The recycling module is connected to by the lean solution processing module with the absorption module.

Optionally, the bottom on the absorption tower is connected to by rich solution delivery pump with heat-exchanger pipeline, the heat exchanger It is connected to by lean solution delivery pump with the second cooler pipeline.

Optionally, the lean solution processing module is connected to the top duct on the absorption tower.

Optionally, the regenerator is connected to by third cooler with separator pipeline.

Optionally, the bottom of the separator is connected to by reflux pump with the regenerator pipeline, and the reflux pump is used for Pressurization.

Optionally, also there is the exhaust outlet of discharge carbon dioxide at the top of the separator.

Optionally, the bottom of the regenerator is connected to reboiler circulation, and the reboiler and the heat exchange The bottom of device is connected to.

As described above, the modular carbon dioxide treatment system of the utility model, has the advantages that

1, can be by the collecting carbonic anhydride of energy source station, and then realize the emission reduction of carbon dioxide；

2, carbon dioxide treatment system can be reached using modular technology by modularized design and modular manufacturing It standardizes, the requirement of seriation, guarantees modular manufacture quality, reduce manufacturing cost and late maintenance cost；

3, carbon dioxide treatment system can significantly reduce construction using the modularization assembling method of live " playing with building blocks " formula Technical requirements simplify construction and installation operation, shorten construction period, easy to promote and utilize.

Detailed description of the invention

Fig. 1 is modular carbon dioxide treatment system structure diagram in the utility model embodiment.

Piece mark explanation

1 absorbing liquid storage tank

2 washing tail gas pump

3 first coolers

4 air-introduced machines

5 absorption towers

6 second coolers

7 filters

8 heaters

9 lean solution delivery pumps

10 rich solution delivery pumps

11 heat exchangers

12 regenerators

13 reboilers

14 alkali slots

15 alkali pumps

16 third coolers

17 separators

18 reflux pumps

M1 washing tail gas module

M2 air-introduced machine module

M3 absorption module

M4 lean solution processing module

M5 recycling module

M6 heat exchange module

M7 regeneration module

Specific embodiment

The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the utility model easily.

Please refer to Fig. 1.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate The revealed content of specification, so that those skilled in the art understands and reads, being not intended to limit the utility model can be real The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, it should all still fall in the utility model institute The technology contents of announcement obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", The term of " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, Its relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.

In order to describe the utility model in detail, firstly, next to the modular carbon dioxide of the utility model Processing system illustrates:

The utility model provides modular carbon dioxide treatment system, utilizes the titanium dioxide in hydramine method trapping tail gas Carbon is converted into rich solution by lean solution absorbing carbon dioxide, then carries out desorption to rich solution and obtains the carbon dioxide of high-purity, The modular carbon dioxide treatment system includes:

Washing tail gas module M1, including absorbing liquid storage tank 1, washing tail gas pump the 2, first cooler 3,5 top of absorption tower When tail gas passes through washing liquor tank 1, tail gas is washed the cleaning solution recycling in liquid storage tank 1, and the liquid of recycling passes through washing tail gas The pressurized delivered of pump 2 and the cooling of the first cooler 3, are delivered to absorption tower 5 again；

Air inducing module M2, including air-introduced machine 4, tail gas, to absorption tower 5, meet tail gas pressure by 4 pressurized delivered of air-introduced machine Conveying requires and guarantees suitable absorption tower inlet pressure, and then improves the treatment effeciency of tail gas, can formulate according to actual needs The power and type of air-introduced machine 4；

Absorption module M3 includes mainly absorption tower 5, and after tail gas enters absorption tower 5, the carbon dioxide in tail gas is absorbed tower Lean solution sorption enhanced in 5 is rich solution, and remaining tail gas is discharged from the top on absorption tower 5, absorb the rich solution of carbon dioxide from It draws the bottom on absorption tower 5；

Lean solution processing module M4, including the second cooler 6 and filter 7, the second cooler 6 carry out the lean solution after heat exchange Cooling, lean solution after cooling is drained, is then filtered and purifies by filter 7, is finally transmitted back to absorption tower 5；

The function of recycling module M5, including alkali pump 14, alkali slot 15 and heater 8, the module mainly shut down rank in system Richness/the lean solution and supplement medicament retained in section recovery system, further, other modules of the module and system (absorb mould Block M3, heat exchange module M6 are connected to at least one module in regeneration module M7), and the richness that Installed System Memory stays/lean solution is by heating Device 8 heats, and enters in regenerator 12 as a vapor from the lean solution flowed out at the top of heater 8, the raffinate after heating is by heating The bottom outflow of device 8 carries out centralized recovery and processing；

Heat exchange module M6, including lean solution delivery pump 9, rich solution delivery pump 10 and heat exchanger 11, the outflow of 5 bottom of absorption tower Rich solution is completed after exchanging heat into heat exchanger 11, and in a heat exchanger 11 with lean solution by the pressurized delivered of rich solution delivery pump 10 It is delivered to regeneration module M7 and, by the pressurization of lean solution delivery pump 9, is sent to lean solution after lean solution completes heat exchange in a heat exchanger 11 Processing module M4, lean solution is reprocessed, and further, recycling module M5 and heat exchange module M6 pass through lean solution processing module M4 It is connected to absorption module M3；

Regeneration module M7, including regenerator 12, third cooler 16, separator 17, reflux pump 18 and reboiler 13, rich solution It completes to enter regenerator 12 by pipeline after exchanging heat in a heat exchanger 11, stream object is gone out at the top of regenerator 12 through third cooler 16 Cooling, separation is then completed in separator 17, the liquid (mainly moisture) isolated sends regenerator back to through reflux pump 18 12, the carbon dioxide-enriched isolated is formed after externally exporting further compressed, purification by the exhaust outlet on separator 17 Carbon dioxide product.In the bottom of regenerator 12, rich solution is heated by pipeline to reboiler 13 to be regenerated, and is converted by rich solution For lean solution, the lean solution passes through pipeline into regenerator 12 and heat exchanger 11 respectively, and then lean solution is recycled.

The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.

Claims

1. modular carbon dioxide treatment system absorbs two by lean solution using the carbon dioxide in hydramine method trapping tail gas Carbon oxide conversion is rich solution, is then handled carbon dioxide, which is characterized in that the modular carbon dioxide treatment system System includes:

Absorption module, the absorption module include the absorption tower for storing lean solution and rich solution, and tail gas passes through pipeline and absorption tower Connection；Heat exchange module, the heat exchange module include that the lean solution for conveying the rich solution delivery pump of rich solution, for conveying lean solution conveys Pump and heat exchanger for heat exchange, the absorption tower be connected tos by rich solution delivery pump with heat-exchanger pipeline, the hot friendship Parallel operation is connected to by lean solution delivery pump with absorption module pipeline；

Regeneration module, the regeneration module include for storing the regenerator of lean solution and rich solution, the separator for separating liquid And the reboiler for boiling liquid, the top of the regenerator are connected to the separator, the bottom of the regenerator with The reboiler connection, the reboiler are connected to the heat exchanger；

Recycling module, including the alkali slot and heater for heating for storing lye, the heater and the absorption tower Pipeline is connected to, one or more in absorption module, heat exchange module and regeneration module is connected to alkali barrel road.

2. modular carbon dioxide treatment system according to claim 1, it is characterised in that: the modular dioxy Changing carbon processing system includes the air inducing module for tail gas pressurization, and the air inducing module is connected to the absorb the bottom of the tower.

3. modular carbon dioxide treatment system according to claim 1, it is characterised in that: the modular dioxy Change carbon processing system include washing tail gas module, the washing tail gas module include for store the absorbing liquid storage tank of cleaning solution, For the washing tail gas pump of pressurization and for the first cooling cooler, the absorption tower, the absorbing liquid storage tank, the tail Gas washing pump and the first cooler are recycled by pipeline to be connected to.

4. modular carbon dioxide treatment system according to claim 1, it is characterised in that: the modular dioxy Changing carbon processing system further includes lean solution processing module, and the lean solution processing module includes the second cooler and filter, and described the Two coolers are connected to the filter pipes, and the heat exchange module and the recycling module pass through the lean solution processing module It is connected to the absorption module.

5. modular carbon dioxide treatment system according to claim 4, it is characterised in that: the bottom on the absorption tower It is connected to by rich solution delivery pump with heat-exchanger pipeline, the heat exchanger is connected by lean solution delivery pump and the second cooler pipeline It is logical.

6. modular carbon dioxide treatment system according to claim 4, it is characterised in that: the lean solution processing module It is connected to the top duct on the absorption tower.

7. modular carbon dioxide treatment system according to claim 1, it is characterised in that: the regenerator passes through the Three coolers are connected to separator pipeline.

8. modular carbon dioxide treatment system according to claim 7, it is characterised in that: the bottom of the separator It is connected to by reflux pump with the regenerator pipeline, the reflux pump is for pressurizeing.

9. modular carbon dioxide treatment system according to claim 8, it is characterised in that: at the top of the separator also Exhaust outlet with discharge carbon dioxide.

10. modular carbon dioxide treatment system according to claim 1, it is characterised in that: the bottom of the regenerator Portion is connected to reboiler circulation, and the reboiler is connected to the bottom of the heat exchanger.