CN206556046U - Low-carbon type combustion system - Google Patents
Low-carbon type combustion system Download PDFInfo
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- CN206556046U CN206556046U CN201720175637.3U CN201720175637U CN206556046U CN 206556046 U CN206556046 U CN 206556046U CN 201720175637 U CN201720175637 U CN 201720175637U CN 206556046 U CN206556046 U CN 206556046U
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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
- 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
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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
- 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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Abstract
This application provides a kind of low-carbon type combustion system.The low-carbon type combustion system includes burner, refrigeration unit, waste heat recovery unit, dust removing units, refrigeration unit, air cooler and water-producing apparatus, the 3rd triple valve, air-introduced machine and carbon dioxide recovering apparatus.The low-carbon type combustion system is used as the oxidant of burning, the generation without NOx in combustion, the CO in flue gas after burning using purity oxygen2At concentrations up to more than 95%, it can directly compress flue gas and carry out CO2Reclaim, high-temperature flue gas after burning passes through waste heat recovery unit, dust removing units, refrigeration unit, air cooler and water-producing apparatus, it is changed into low-temperature flue gas, the circulation of flue gas is realized in the presence of air-introduced machine and progress work by combustion is mixed with oxygen and fuel, flue gas beyond circulation is reclaimed by the 3rd triple valve into carbon dioxide recovering apparatus, avoid and carbon dioxide is directly discharged to the pollution problem that is caused in air, and realize preferable economic benefit.
Description
Technical field
The application is related to fossil energy field of combustion technology, in particular to a kind of low-carbon type combustion system.
Background technology
Amount of carbon dioxide is discharged up to 24,000,000,000 tons in the whole world every year at present, wherein, more than 90 hundred million tons turn into the waste gas of pollution environment,
Jeopardize human living space.The annual CO2 emission total amount of China is only second to the U.S. more than 1,500,000,000 tons.
Enter after people's 21 century, with the implementation of the strategy of sustainable development, domestic all circles clearly recognize solution dioxy
Change the problem of carbon causes environmental pollution extremely urgent.How in science, effectively administer CO2 emission while, it is ensured that state
People's rapid economic development, as the current problem for needing to solve.
Carbon dioxide has higher civilian and industrial value, is had a wide range of applications in multiple fields, be it is a kind of very
Valuable resource.Not only be widely used in oil exploitation, metallurgy, welding, low temperature cold coal, machine-building, rain making, fire-fighting,
In terms of chemical industry, papermaking, agricultural, grocery trade, health care, apply also for supercritical solvent, bioengineering, laser technology,
The tip such as nuclear industry high-tech area.The new application developed in recent years such as canopy dish gas fertilizer, vegetables (meat) are fresh-keeping, production can drop
Solution plastics etc. also show good development prospect.Therefore, an important channel for reducing CO2 emission is to make dioxy as early as possible
Change carbon application industry, scale.
At present, state's combustion system and its association circulating power generation system major pollutants discharged are generation in combustion process
Substantial amounts of CO2With a small amount of NOX, PM2.5, if CO2Directly effective control measures are not taken in discharge, and environment certainly will be caused dirty
Dye.
For the discharge of current combustion fossil fuel with CO2Based on tail gas to air environmental pollution the problem of, at present still
Without effective control and solution.
Utility model content
The main purpose of the application is to provide a kind of low-carbon type combustion system, straight to solve combustion system in the prior art
Connect the problem of carbon dioxide is discharged to the pollution caused in air.
To achieve these goals, according to the one side of the application, there is provided a kind of low-carbon type combustion system, the low-carbon
Type combustion system includes：Burner；Refrigeration unit, the entrance of above-mentioned refrigeration unit is connected with above-mentioned burner, for pair
The gas of above-mentioned burner discharge is cooled；Carbon dioxide recovering apparatus, the entrance of above-mentioned carbon dioxide recovering apparatus with
Above-mentioned refrigeration unit connection, for the carbon dioxide in the gas for the outlet discharge for reclaiming above-mentioned refrigeration unit.
Further, above-mentioned low-carbon type combustion system also includes：Fuel feed line, for connect above-mentioned burner with
Fuels sources；Combustion-supporting letter shoot line, is set for connecting on above-mentioned burner and combustion-supporting source of the gas, above-mentioned combustion-supporting letter shoot line
There is the first triple valve, above-mentioned first triple valve includes air intake, oxygen intake and helps gas outlet, above-mentioned air intake and sky
Source of the gas is connected, and above-mentioned oxygen intake is connected with source of oxygen, above-mentioned to help gas outlet to be connected with above-mentioned burner.
Further, above-mentioned low-carbon type combustion system also includes：Chimney, is connected with above-mentioned carbon dioxide recovering apparatus, uses
It is discharged in by the gas after reclaiming carbon dioxide through above-mentioned carbon dioxide recovering apparatus in air；Second triple valve, including first
End, the second end and the 3rd end, above-mentioned first end are connected with the gas vent of above-mentioned burner, above-mentioned second end and above-mentioned refrigeration
The entrance connection of unit, above-mentioned 3rd end is connected with above-mentioned chimney.
Further, above-mentioned low-carbon type combustion system also includes：Waste heat recovery unit, the entrance of above-mentioned waste heat recovery unit
It is connected with above-mentioned second end of above-mentioned second triple valve；Dust removing units, the entrance of above-mentioned dust removing units and above-mentioned waste heat recovery list
The outlet connection of member, the outlet of above-mentioned dust removing units is connected with the entrance of above-mentioned refrigeration unit.
Further, above-mentioned dust removing units are dedusting denitration unit.
Further, above-mentioned refrigeration unit includes：Refrigeration machine, the gas access of above-mentioned refrigeration machine and above-mentioned burner
Gas vent is connected, and above-mentioned gas outlet is connected with the entrance of above-mentioned carbon dioxide recovering apparatus；Cooling tower, above-mentioned cooling tower
Circulation water inlet is connected with the circulating water outlet of above-mentioned refrigeration machine, and the circulating water outlet of above-mentioned cooling tower is followed with above-mentioned refrigeration machine
Ring water inlet is connected.
Further, above-mentioned refrigeration unit also includes：Heat exchanger, the gas access of above-mentioned heat exchanger and above-mentioned refrigeration machine
Gas vent is connected, and the gas vent of above-mentioned heat exchanger is connected with the entrance of above-mentioned carbon dioxide recovering apparatus, above-mentioned refrigeration machine
Including the first cold water inlet and the first cooling water outlet, above-mentioned heat exchanger includes the second cold water inlet and the second cooling water outlet, above-mentioned
First cold water inlet is connected with above-mentioned second cooling water outlet, and above-mentioned first cooling water outlet is connected with above-mentioned second cold water inlet.
Further, above-mentioned low-carbon type combustion system also includes：Air cooler, the entrance of above-mentioned air cooler and above-mentioned refrigeration list
The outlet connection of member, the outlet of above-mentioned air cooler is connected with the entrance of above-mentioned carbon dioxide recovering apparatus；Water-producing apparatus, one end with it is upper
The outlet connection of air cooler is stated, the other end is connected with the entrance of above-mentioned carbon dioxide recovering apparatus.
Further, above-mentioned low-carbon type combustion system also includes：3rd triple valve, including arrival end, first outlet end with
Second outlet end, above-mentioned arrival end is connected with the outlet of above-mentioned refrigeration unit, and above-mentioned first outlet end is returned with above-mentioned carbon dioxide
The entrance connection of receiving apparatus, above-mentioned second outlet is connected with the entrance of above-mentioned burner；Air-introduced machine, is connected to above-mentioned second and goes out
Between mouth end and the entrance of above-mentioned burner, filled for the gas exported by above-mentioned second outlet end to be delivered into above-mentioned burning
In putting.
Further, above-mentioned burner is gas turbine, gas internal-combustion engine or heating furnace.
, can be by the carbon dioxide recovery in the flue gas for generation of burning using the above-mentioned low-carbon type combustion system of the application
Afterwards, by the discharge of remaining gas in an atmosphere, it is to avoid the pollution problem for being directly discharged to cause in air by carbon dioxide, and
The carbon dioxide of recovery can be recycled, and realize preferable economic benefit.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the improper restriction to the application.In the accompanying drawings：
Fig. 1 shows the structural representation for the low-carbon type combustion system that a kind of embodiment of the application is provided；And
Fig. 2 shows the structural representation for the carbon dioxide recovering apparatus that another embodiment of the application is provided.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
1st, the first triple valve；2nd, burner；3rd, the second triple valve；4th, waste heat recovery unit；5th, dust removing units；6th, freeze
Unit；7th, air cooler；8th, water-producing apparatus；9th, the 3rd triple valve；10th, air-introduced machine；11st, carbon dioxide recovering apparatus；12nd, chimney；01、
Fuel feed line；02nd, combustion-supporting letter shoot line；61st, refrigeration machine；62nd, cooling tower；63rd, heat exchanger；100th, fuels sources；200、
Air-source；300th, source of oxygen；111st, the first pump；112nd, pressure fan；113rd, water cooler；114th, cooling tower；115th, the second pump；
116th, the 3rd pump；117th, lean solution cooler；118th, absorption tower；119th, rich solution cooler；120th, the 4th pump；121st, lean solution exchanges heat
Device；122nd, rich solution heat exchanger；123rd, stripper；124th, the 5th pump；125th, carbon dioxide gas condenser body；126th, carbon dioxide gas
Liquid/gas separator.
Embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, low-carbon type combustion system of the prior art is directly by CO2 emission to greatly
In gas, problem of environmental pollution is result in, in order to solve technical problem as above, present applicant proposes a kind of low-carbon type combustion system
Method.
There is provided a kind of low-carbon type combustion system in a kind of typical embodiment of the application, as shown in figure 1, this is low
Carbon type combustion system includes burner 2, refrigeration unit 6 and carbon dioxide recovering apparatus 11.Wherein, the above-mentioned system of refrigeration unit 6
The entrance of cold unit 6 is connected with above-mentioned burner 2, for cooling to the gas that above-mentioned burner 2 is discharged；Titanium dioxide
The entrance of the above-mentioned carbon dioxide recovering apparatus 11 of carbon retracting device 11 is connected with above-mentioned refrigeration unit 6, for reclaiming above-mentioned refrigeration
Carbon dioxide in the gas of the outlet discharge of unit 6.
The above-mentioned low-carbon type combustion system of the application, is first dropped the flue gas that burner is discharged by refrigeration unit
Temperature, then by the discharge of remaining gas in an atmosphere, is kept away the carbon dioxide recovery in flue gas by carbon dioxide recovering apparatus
Exempt from carbon dioxide being directly discharged to the pollution problem that causes in air, and the carbon dioxide reclaimed can be recycled, and be realized
Preferable economic benefit, also, comburant in the application when the low-carbon type combustion system is first powered on except using
Air can produce nitrogen oxides as oxidant, when subsequent combustion plant running is normal, then be used as oxidant, oxygen using oxygen
Will not produce nitrogen oxides with fuel combustion, the nitrogen oxides that so whole low-carbon type combustion system is produced in combustion compared with
It is few, further alleviate pollution of the nitrogen oxides to environment.
Burner in the application can be any burner of the prior art, for example can be be combustion
Gas-turbine, gas internal-combustion engine or heating furnace.And the low-carbon type combustion system of the application can apply to oil, chemical industry, thermal power plant,
The fields such as metallurgy, coke-oven plant, gas gathering and transportation station, natural gas gasholder station.
In a kind of embodiment of the application, as shown in figure 1, above-mentioned low-carbon type combustion system also includes fuel feed line 01
With combustion-supporting letter shoot line 02, wherein, fuel feed line 01 be used for connect above-mentioned burner 2 and fuels sources 100；Combustion-supporting gas
Feed-line 02 is used to connect to be provided with the one or three on above-mentioned burner 2 and combustion-supporting source of the gas, above-mentioned combustion-supporting letter shoot line 02
Port valve 1, above-mentioned first triple valve 1 includes air intake, oxygen intake and helps gas outlet, above-mentioned air intake and air-source
200 connections, above-mentioned oxygen intake is connected with source of oxygen 300, above-mentioned to help gas outlet to be connected with above-mentioned burner 2.In application
During the low-carbon type combustion system, first the air intake for the first triple valve being connected with air-source is opened, air is inputted to low
In carbon type combustion system, circulation of the gas in combustion system can be promoted.In burner after burning, then air entered
Mouth is closed, and oxygen intake is opened.
(i.e. fuels sources offer) that fuel feed line 01 is supplied can be natural gas, fuel oil or coke-stove gas,
It can also be the hydrocarbon that other can be used for burner fuel.
Oxygen in source of oxygen can be given birth to by air pressure swing adsorption method, air membrane filtration, air deep-cooling processing method is produced,
Source of oxygen can be liquid oxygen tank or oxygen channel.
During in order to prevent that carbon dioxide burner or refrigeration unit from going wrong, it is impossible in time by burner
Flue gas is discharged, in another embodiment of the application, as shown in figure 1, above-mentioned low-carbon type combustion system also includes chimney 12 and the
Two triple valves 3, are connected with above-mentioned carbon dioxide recovering apparatus 11, for that will reclaim dioxy through above-mentioned carbon dioxide recovering apparatus 11
Change the gas after carbon to be discharged in air；And second triple valve 3, including first end, the second end and the 3rd end, above-mentioned first end with
The gas vent connection of above-mentioned burner 2, above-mentioned second end is connected with the entrance of above-mentioned refrigeration unit 6, above-mentioned 3rd end and
Above-mentioned chimney 12 is connected.When carbon dioxide burner or refrigeration unit go wrong, it will be connected with refrigeration unit entrance
The second end of the second triple valve close, the 3rd end being connected with chimney is opened, flue gas is discharged into chimney, it is big into being discharged into
In gas.
For the heat energy in recovered flue gas, in a kind of embodiment of the application, as shown in figure 1, above-mentioned low-carbon type burning system
System also includes waste heat recovery unit 4, and above-mentioned second end of the entrance of above-mentioned waste heat recovery unit 4 and above-mentioned second triple valve 3 connects
Connect.
And waste heat recovery unit is connected with heated medium outlet conduit and downstream user heated medium pipeline.
In the another embodiment of the application, above-mentioned low-carbon type combustion system also includes dust removing units 5, above-mentioned dust removing units
5 entrance is connected with the outlet of above-mentioned waste heat recovery unit 4, the outlet of above-mentioned dust removing units 5 and the entrance of above-mentioned refrigeration unit 6
Connection.Dust removing units further can remove the solid particle in flue gas.
In order to which air when starting shooting is burnt as oxidant, the nitrogen oxides produced is removed, and further avoids nitrogen oxides pair
In the pollution that environment is caused, a kind of embodiment of the application, above-mentioned dust removing units are dedusting denitration unit.
In another embodiment of the application, as shown in figure 1, above-mentioned refrigeration unit 6 includes refrigeration machine 61 and cooling tower 62,
The gas access of above-mentioned refrigeration machine 61 is connected with the gas vent of above-mentioned burner 2, above-mentioned gas outlet and above-mentioned titanium dioxide
The entrance connection of carbon retracting device 11；The circulation water inlet of above-mentioned cooling tower 62 connects with the circulating water outlet of above-mentioned refrigeration machine 61
Connect, the circulating water outlet of above-mentioned cooling tower 62 is connected with the circulation water inlet of above-mentioned refrigeration machine 61.
In order to further improve the cooling-down effect for the flue gas that cooling device is discharged to burner, a kind of implementation of the application
In example, above-mentioned refrigeration unit 6 also includes heat exchanger 63, and the gas access of above-mentioned heat exchanger 63 and the gas of above-mentioned refrigeration machine 61 go out
Mouth connection, the gas vent of above-mentioned heat exchanger 63 is connected with the entrance of above-mentioned carbon dioxide recovering apparatus 11.
In another embodiment of the application, as shown in figure 1, above-mentioned refrigeration machine 61 is cold including the first cold water inlet and first
Water out, above-mentioned heat exchanger 63 includes the second cold water inlet and the second cooling water outlet, above-mentioned first cold water inlet and above-mentioned second
Cooling water outlet is connected, and above-mentioned first cooling water outlet is connected with above-mentioned second cold water inlet.Such produce 7~12 DEG C of refrigeration machine
Cold water can be traveled further into heat exchanger to cool to flue gas, improves the energy utilization rate of refrigerating plant, further carries
The high economic benefit of low-carbon type combustion system.
In order to further reduce the temperature for the gas discharged from cooling device, as shown in figure 1, another reality of the application
Apply in example, above-mentioned low-carbon type combustion system also includes air cooler 7, the outlet of the entrance of above-mentioned air cooler 7 and above-mentioned refrigeration unit 6
Connection, the outlet of above-mentioned air cooler 7 is connected with the entrance of above-mentioned carbon dioxide recovering apparatus 11.
In another embodiment of the application, as shown in figure 1, above-mentioned low-carbon type combustion system also includes water-producing apparatus 8, one
End is connected with the outlet of above-mentioned air cooler 7, and the other end is connected with the entrance of above-mentioned carbon dioxide recovering apparatus 11.Water-making machine will be low
Condensed water in warm flue gas is carried out separation and recycling.010 output condensed water of water-making machine can supply waste heat recovery unit and use.
In order to increase the circulation power of flue gas in low-carbon type combustion system, enclosed flue gas recirculation reutilization system is formed, this
In a kind of embodiment of application, above-mentioned low-carbon type combustion system also includes the 3rd triple valve 9, and it includes arrival end, first outlet
End and second outlet end, above-mentioned arrival end are connected with the outlet of above-mentioned refrigeration unit 6, above-mentioned first outlet end and above-mentioned titanium dioxide
The entrance connection of carbon retracting device 11, above-mentioned second outlet is connected with the entrance of above-mentioned burner 2, that is to say, that by this
The gas that refrigeration unit exports discharge is divided into two parts by three triple valves, is partly into burner, as circulation power,
Another part enters in carbon dioxide recovering apparatus.
In another embodiment of the application, as shown in figure 1, above-mentioned low-carbon type combustion system also includes air-introduced machine 10, even
It is connected between above-mentioned second outlet end and the entrance of above-mentioned burner 2, for the gas that will be exported by above-mentioned second outlet end
It is delivered in above-mentioned burner 2.
Carbon dioxide recovering apparatus in the application can using solvent-recovery process, cryogenic rectification method, pressure swing adsorption method, point
From the CO in the technique recovered flue gas such as method or compression condensation method2, method preferably is solvent-recovery process, the CO of output2Bottling or
Through being shipped to CO outside pipeline2User.
Shown in Fig. 2, carbon dioxide recovering apparatus includes the first pump 111, pressure fan 112, water cooler 113, cooling tower
114th, the second pump 115, the 3rd pump 116, lean solution cooler 117, absorption tower 118, rich solution cooler 119, the 4th pump 120, lean solution
Heat exchanger 121, rich solution heat exchanger 122, stripper 123, the 5th pump 124, carbon dioxide gas condenser body 125, carbon dioxide gas
Liquid/gas separator 126.Its course of work combination Fig. 2 is described as follows：
Flue gas is sent into cooling tower 114 by pressure fan 112, by the first pump 111 and the water solution cycle of water cooler 113,
Heat in flue gas in cooling tower 114 is carried out to catch mist washing, the flue gas after cooling is sent into from the bottom of absorption tower 118.In flue gas
CO2Gas is upwards to the top of absorption tower 118, then pass through tower top after washing by catching mist material and ammonia spirit (rich solution)
The secondary washing for catching mist material and ammonia spirit (lean solution) after, acceptable gas is from the top row of absorption tower 118 is put into air；Its
In, lean solution heat exchanger 121, the 4th pump 120, rich solution cooler 119 is absorption tower 118 bottom ammonia spirit (rich solution) cyclic system
System.Wherein, the 3rd pump 116 and lean solution cooler 117 are absorption tower 118 top ammonia spirit (lean solution) circulatory systems.
Absorb CO2Ammonia spirit (lean solution) afterwards delivers to lean solution heat exchanger 121 by the second pump of bottom 115 of absorption tower 118, changes
The top of stripper 123 is sent into after heat, CO is parsed on the top of stripper 1232Together with vapor through carbon dioxide gas condenser body
125 feeding carbon dioxide gas-liquid separators 126 carry out gas-liquid separation, the carbon dioxide of output after separation, and purity is
99.9% and outer defeated arrive downstream user；The liquid of output returns to the top of stripper 123 through the 5th pump 124 after separation.
Ammonia spirit (rich solution) after parsing is downwards through flowing into the bottom on absorption tower 118, through lean solution heat exchanger the 121, the 4th
Pump 120 after rich solution cooler 119 with reentering absorption tower 118.Wherein, rich solution heat exchanger 122 is the ammonia of the bottom of stripper 123
The aqueous solution (rich solution) heating circulation system.
In order that the technical scheme of the application can clearly be understood by obtaining those skilled in the art, below with reference to tool
The embodiment of body illustrates.
Embodiment
The structural representation of low-carbon type combustion system is as shown in figure 1, the low-carbon type combustion system includes fuel feed line
01st, combustion-supporting letter shoot line 02, the first triple valve 1 being arranged on combustion-supporting letter shoot line 02, burner 2, the second threeway
Valve 3, waste heat recovery unit 4, dust removing units 5, refrigeration unit 6, air cooler 7, water-producing apparatus 8, the 3rd triple valve 9, air-introduced machine 10, two
Carbonoxide retracting device 11 and chimney 12, wherein, stating refrigeration unit 6 includes refrigeration machine, cooling tower 62 and heat exchanger 63.Specifically
Annexation is as illustrated, just repeat no more herein.
The course of work of the low-carbon type combustion system is：Oxygen as burning oxidant, thus in combustion
There is no NOx generation in the case of Nitrogen element, and also due to using pure oxygen as oxidant, in the flue gas after burning
CO2Concentration can be up to more than 95%, can directly compress flue gas and carry out CO2Reclaim, the high-temperature flue gas after burning is returned by waste heat
Unit 4, dust removing units 5, refrigeration unit 6, air cooler 7 and water-producing apparatus 8 are received, is changed into low-temperature flue gas, in the presence of air-introduced machine 10
Realize the circulation of flue gas and progress work by combustion is mixed with oxygen and fuel, the flue gas beyond circulation is entered by the 3rd triple valve 9
Enter carbon dioxide recovering apparatus 11 to reclaim, in whole technical process in addition to work by combustion, heat is reclaimed by waste heat recovery unit 4
Can, dust is reclaimed by dust removing units 5, flue-gas temperature is reduced by refrigeration unit 6 and air cooler, reclaims cold by water-producing apparatus 8
Solidifying water, CO is reclaimed by carbon dioxide recovering apparatus 112, by air-introduced machine 10 by the flue gas and oxygen of low temperature in required ratio
Enter fuel driven machine after allotment to do work with fuel combustion.
The low-carbon type combustion system realizes the big gas zero of combustion of fossil fuel and effectively improves the utilization ratio of the energy.
As can be seen from the above description, the application the above embodiments realize following technique effect：
, will after carbon dioxide recovery in the above-mentioned low-carbon type combustion system of the application, the flue gas that burning can be produced
The discharge of remaining gas is in an atmosphere, it is to avoid the pollution problem for being directly discharged to cause in air by carbon dioxide, and reclaims
Carbon dioxide can recycle, realize preferable economic benefit.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of low-carbon type combustion system, it is characterised in that the low-carbon type combustion system includes：
Burner (2)；
Refrigeration unit (6), the entrance of the refrigeration unit (6) is connected with the burner (2), for the burner
(2) gas of discharge is cooled；And
Carbon dioxide recovering apparatus (11), the entrance of the carbon dioxide recovering apparatus (11) is connected with the refrigeration unit (6),
For the carbon dioxide in the gas for the outlet discharge for reclaiming the refrigeration unit (6).
2. low-carbon type combustion system according to claim 1, it is characterised in that the low-carbon type combustion system also includes：
Fuel feed line (01), for connecting the burner (2) and fuels sources (100)；And
Combustion-supporting letter shoot line (02), for connecting the burner (2) and combustion-supporting source of the gas, the combustion-supporting letter shoot line
(02) the first triple valve (1) is provided with, first triple valve (1) includes air intake, oxygen intake and helps gas outlet,
The air intake is connected with air-source (200), and the oxygen intake is connected with source of oxygen (300), it is described help gas outlet with
Burner (2) connection.
3. low-carbon type combustion system according to claim 1, it is characterised in that the low-carbon type combustion system also includes：
Chimney (12), is connected with the carbon dioxide recovering apparatus (11), for will be through the carbon dioxide recovering apparatus (11)
The gas after carbon dioxide is reclaimed to be discharged in air；And
Second triple valve (3), including first end, the second end and the 3rd end, the first end and the gas of the burner (2)
Outlet connection, second end is connected with the entrance of the refrigeration unit (6), and the 3rd end is connected with the chimney (12).
4. low-carbon type combustion system according to claim 3, it is characterised in that the low-carbon type combustion system also includes：
Waste heat recovery unit (4), the entrance of the waste heat recovery unit (4) and second end of second triple valve (3)
Connection；And
Dust removing units (5), the entrance of the dust removing units (5) is connected with the outlet of the waste heat recovery unit (4), the dedusting
The outlet of unit (5) is connected with the entrance of the refrigeration unit (6).
5. low-carbon type combustion system according to claim 4, it is characterised in that the dust removing units (5) are dedusting denitration
Unit.
6. low-carbon type combustion system according to claim 1, it is characterised in that the refrigeration unit (6) includes：
Refrigeration machine (61), the gas access of the refrigeration machine (61) is connected with the gas vent of the burner (2), the gas
Body outlet is connected with the entrance of the carbon dioxide recovering apparatus (11)；And
Cooling tower (62), the circulation water inlet of the cooling tower (62) is connected with the circulating water outlet of the refrigeration machine (61), institute
The circulating water outlet for stating cooling tower (62) is connected with the circulation water inlet of the refrigeration machine (61).
7. low-carbon type combustion system according to claim 6, it is characterised in that the refrigeration unit (6) also includes：
Heat exchanger (63), the gas access of the heat exchanger (63) is connected with the gas vent of the refrigeration machine (61), described to change
The gas vent of hot device (63) is connected with the entrance of the carbon dioxide recovering apparatus (11), and the refrigeration machine (61) includes first
Cold water inlet and the first cooling water outlet, the heat exchanger (63) include the second cold water inlet and the second cooling water outlet, described first
Cold water inlet is connected with second cooling water outlet, and first cooling water outlet is connected with second cold water inlet.
8. low-carbon type combustion system according to claim 7, it is characterised in that the low-carbon type combustion system also includes：
Air cooler (7), the entrance of the air cooler (7) is connected with the outlet of the refrigeration unit (6), the air cooler (7)
Outlet is connected with the entrance of the carbon dioxide recovering apparatus (11)；And
Water-producing apparatus (8), one end is connected with the outlet of the air cooler (7), the other end and the carbon dioxide recovering apparatus (11)
Entrance connection.
9. low-carbon type combustion system according to claim 1, it is characterised in that the low-carbon type combustion system also includes：
3rd triple valve (9), including arrival end, first outlet end and second outlet end, the arrival end and the refrigeration unit
(6) outlet connection, the first outlet end is connected with the entrance of the carbon dioxide recovering apparatus (11), the second outlet
It is connected with the entrance of the burner (2)；And
Between air-introduced machine (10), the entrance for being connected to the second outlet end and the burner (2), for will be by described
The gas of two ports of export output is delivered in the burner (2).
10. low-carbon type combustion system according to any one of claim 1 to 9, it is characterised in that the burner is
Gas turbine, gas internal-combustion engine or heating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175637.3U CN206556046U (en) | 2017-02-24 | 2017-02-24 | Low-carbon type combustion system |
Applications Claiming Priority (1)
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| CN106895429A (en) * | 2017-02-24 | 2017-06-27 | 碧海舟（北京）节能环保装备有限公司 | Low-carbon type combustion system |
| CN109668155A (en) * | 2017-10-16 | 2019-04-23 | 中国石油化工股份有限公司 | The method of high temperature incineration method processing cycle gas decarbonization tail gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106895429A (en) * | 2017-02-24 | 2017-06-27 | 碧海舟（北京）节能环保装备有限公司 | Low-carbon type combustion system |
| CN109668155A (en) * | 2017-10-16 | 2019-04-23 | 中国石油化工股份有限公司 | The method of high temperature incineration method processing cycle gas decarbonization tail gas |
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