CN208952077U - A kind of burning chemistry chains system - Google Patents
A kind of burning chemistry chains system Download PDFInfo
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- CN208952077U CN208952077U CN201821352251.6U CN201821352251U CN208952077U CN 208952077 U CN208952077 U CN 208952077U CN 201821352251 U CN201821352251 U CN 201821352251U CN 208952077 U CN208952077 U CN 208952077U
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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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model relates to the combustion technologies of energy field, especially a kind of low ash divides the burning chemistry chains system of the chemical chain burning technology of solid fuel, including air reactor, gas-solid separator A, material returning device, oxygen carrier storehouse, fuel reactor, gas-solid separator B and solid solid separator, Bunker；Air reactor material outlet is connect with gas-solid separator A material inlet, and the outlet of gas-solid separator A first material is connect with material returning device material inlet, and material returning device is connect with fuel reactor；Fuel reactor is connect with gas-solid separator B, and gas-solid separator B is connect with solid solid separator, Gu solid separator is connect with fuel reactor respectively, air reactor connection.The utility model realizes efficiently separating for the oxygen carrier being reduced and circulating ash granule materials, realizes that low ash divides the efficient burning and CO of solid fuel2Efficiently separate, CO in the flue gas that discharges after being reacted in air reactor2Content is down to 2% or less by 8% or more of the prior art.
Description
Technical field
The utility model relates to the combustion technology of energy field, especially a kind of low ash divides the burning chemistry chains of solid fuel
Technology.
Background technique
Carbon dioxide is that maximum greenhouse gases are influenced in many potential greenhouse gases, how reducing emission of carbon dioxide
Have become one of the main contents of human kind sustainable development from now on.Burning chemistry chains (Chemical Looping
Combustion, abbreviation CLC) it is the internationally recognized CO with important prospect2One of emission-reduction technology.Its basic principle is combustion
Expect not direct and air catalytic combustion, but it is burned to realize with the cycle alternation reaction of oxygen carrier between two reactors
Journey: on the one hand using the oxygen in oxygen carrier separation air in air reactor, on the other hand by oxygen carrier in fuel reactor
Oxygen in air is transmitted in fuel by body, carries out the burning of fuel.Since in combustion process, fuel does not connect directly with air
Touching, combustion product only have carbon dioxide and water vapour, can isolate CO using simple cooling device2, to realize CO2
Enrichment, therefore be a kind of cleaning combustion system.
Burning chemistry chains system mainly includes 2 reactors, i.e. fuel reactor and air reactor.Metal oxide is made
It is recycled in two reactors for the carrier of oxygen, realizes the transfer of oxygen and energy.Up to the present, it is fired using gaseous fuel or liquid
The CLC technique and oxygen carrier of material study comparative maturity, and the research of solid fuel particle CLC is still in its infancy, are based on gas
Body and liquid fuel are directly transformed into the various works that low ash divides solid fuel (such as petroleum coke, biomass, high volatile lignite)
All there are many problems in skill route.Tathagata enters from the materials such as the oxygen carrier of the reduction-state of fuel reactor and semicoke, circulating ash
Air reactor, semicoke and circulating ash further will be chemically reacted directly with air, generate a large amount of CO2Gas, and produce
The problems such as giving birth to more energy, causing air reactor burner hearth overtemperature, coking；At the same time, in air reactor exiting flue gas
Contain a large amount of CO2Gas greatly reduces CO2Isolated effect.
Therefore well contact and react for solid fuel particle and oxygen carrier how is realized, realization ash content or semicoke etc. react
Product and oxygen carrier efficiently separate, and realize oxygen carrier good heat and mass mistake between fuel reactor, air reactor
Journey is the critical issue that current chemical chain technology faces.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of reactions of the fuel reactors such as realization ash content or semicoke
The burning chemistry chains system of product and oxygen carrier efficiently separated.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of burning chemistry chains system, including sky
Solid/liquid/gas reactions device, gas-solid separator A, material returning device, oxygen carrier storehouse, fuel reactor, gas-solid separator B and solid solid separator, combustion
Feed bin；The air reactor material outlet is connect with gas-solid separator A material inlet, first object of gas-solid separator A
Material outlet is connect with material returning device material inlet, and the material returning device material outlet is connect with the first import of fuel reactor material；Institute
It states fuel reactor material outlet to connect with gas-solid separator B material inlet, the gas-solid separator B material first outlet and solid
The connection of solid separator material inlet, the solid solid separator material first outlet are connect with the second import of fuel reactor material,
The solid solid separator material second outlet is connect with the first import of air reactor material；The oxygen carrier storehouse and air reaction
The second import of implements material connection, the Bunker are connect with fuel reactor material third import.
Preferably, the gas-solid separator A material second outlet is equipped with exhausting pipeline.
Preferably, air reactor is equipped between the gas-solid separator A material second outlet and exhausting pipeline to exchange heat
Device.
Preferably, the gas-solid separator B material second outlet is equipped with exhausting pipeline.
Preferably, fuel reactor heat exchanger is equipped between the gas-solid separator B material second outlet and exhausting pipeline.
It preferably, further include recirculation blower, vaporium, the fuel reactor is circulating fluid bed reactor, described
Gas-solid separator B material second outlet is connect by recirculation blower with fuel reactor lower part, the vaporium and recycling
The outlet of blower connects.
Preferably, the material returning device is fluid unit, and the vaporium is connect with material returning device.
Preferably, the solid solid separator is fluid unit, and the vaporium is connect with solid solid separator.
It preferably, further include primary air fan, secondary air fan, the air reactor is circulating fluid bed reactor, institute
The primary air fan stated is connect with air reactor bottom, and the secondary air fan is connect with air reactor lower part.
The beneficial effects of the utility model are: a kind of suitable low ash of the utility model divides solid fuel chemistry chain burning system
System realizes the oxygen carrier being reduced and circulation by arranging solid solid separator between fuel reactor and gas-solid separator B
Ash particle material efficiently separates, and high-purity oxygen carrier is delivered in air reactor after separation, circulating ash granule materials and load
Oxysome mixture particle is delivered to fuel reactor, it is therefore prevented that semicoke and circulating ash granule materials are with the oxygen carrier one being reduced
It rises into air reactor and chemically reacts, generate a large amount of CO2Gas causes air reactor burner hearth overtemperature, coking etc.
Problem realizes that low ash divides the efficient burning and CO of solid fuel2Efficiently separate, the flue gas that discharges after being reacted in air reactor
Middle CO2Content is down to 2% or less by 8% or more of the prior art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
In the figure, it is marked as 1-air reactor, 2-gas-solid separator A, 3-material returning devices, 4-oxygen carrier storehouses, 5-fuel
Gu reactor, 6-gas-solid separator B, 7-solid separators, 8-Bunkers, 11- primary air fan, 12- secondary air fan, 13- are followed again
Ring blower, 14- vaporium, 15- air reactor heat exchanger, 16- fuel reactor heat exchanger.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of burning chemistry chains system of the utility model, including air reactor 1, gas-solid separator
A2, material returning device 3, oxygen carrier storehouse 4, fuel reactor 5, gas-solid separator B6 and solid solid separator 7, Bunker 8；The sky
1 material outlet of solid/liquid/gas reactions device is connect with gas-solid separator A2 material inlet, and the gas-solid separator A2 first material is exported and returned
The connection of 3 material inlet of glassware, 3 material outlet of material returning device are connect with 5 the first import of material of fuel reactor；The fuel is anti-
5 material outlet of device is answered to connect with gas-solid separator B6 material inlet, the gas-solid separator B6 material first outlet is divided with solid
It is connected from 7 material inlet of device, the solid 7 material first outlet of solid separator is connect with 5 the second import of material of fuel reactor, institute
Solid 7 material second outlet of solid separator is stated to connect with 1 the first import of material of air reactor；The oxygen carrier storehouse 4 and air are anti-
1 the second import of material of device is answered to connect, the Bunker 8 is connect with 5 material third import of fuel reactor.The oxygen carrier being reduced
1 carries out oxidation reaction with air in air reactor, realize that oxygen carrier is fully oxidized and air in O2And N2Good separation；
Secondly, the oxygen carrier being oxidized is delivered to 5 in fuel reactor, divide solid fuel well to contact and react with low ash, realizes combustion
The abundant reaction of material, and generate high-purity CO2Flue gas；Then, Gu the reception of solid separator 7 is returned from gas-solid separator B6 trapping
The oxygen carrier being reduced and the recycle stocks such as circulating ash, semicoke, to be reduced oxygen carrier and circulating ash, semicoke etc. efficiently point
From realization high-purity oxygen carrier granule is delivered in air reactor 1, and circulating ash and oxygen carrier mixture particle are delivered to combustion
Expect reactor 5, finally, realizes that low ash divides the efficient burning and CO of solid fuel2Efficiently separate.
The gas-solid separator A2 material second outlet is equipped with exhausting pipeline, the gas-solid separator A2 material second
Air reactor heat exchanger 15 is equipped between outlet and exhausting pipeline.Oxygen carrier 1 is aoxidized in air reactor with air
Reaction, realize that oxygen carrier is fully oxidized and air in O2And N2Good separation, material gas-solid separator A2 gas-solid after reaction point
From rear, oxygen carrier enters fuel reactor 5 through material returning device and is reacted, N2And excessive air is through air reactor heat exchanger 15
It is vented after heat exchange heat integration through exhausting pipeline.
The gas-solid separator B6 material second outlet is equipped with exhausting pipeline, the gas-solid separator B6 material second outlet
Fuel reactor heat exchanger 16 is equipped between exhausting pipeline.Material after fuel reactor 5 is reacted enters gas-solid separator B6,
The recycle stocks such as the oxygen carrier and circulating ash that are reduced after gas solid separation, semicoke are sent into solid solid separator 7, the CO after separation2, fly
Ash, vapor etc. are vented after fuel reactor heat exchanger 16 exchanges heat heat integration through exhausting pipeline.
It further include recirculation blower 13, vaporium 14, the fuel reactor 5 is circulating fluid bed reactor, the gas
Solid separator B6 material second outlet is connect by recirculation blower (13) with 5 lower part of fuel reactor, the vaporium 14 and
The outlet of recirculation blower 13 connects.The fluidisation of fuel reactor 5 and reaction gas are the CO from itself flue gas2+H2O, and come from
The vapor of steam generating system.Using vapor as fluidizing gas in fuel reactor 5, it is therefore intended that enhanced fuel reaction
Coal-fired pyrolysis chemical reaction is accelerated in the chemical reaction of fuel in device 5.Solid-solid reaction is slowly that therefore, it is necessary to will consolidate
A kind of intermediate medium, H are added Gu reacting2O+C=H2+ CO realizes two gas-solid reactions, to accelerate reaction speed.
It further include primary air fan 11, secondary air fan 12, the air reactor 1 is circulating fluid bed reactor, described
Primary air fan 11 connect with 1 bottom of air reactor, the secondary air fan 12 is connect with 1 lower part of air reactor.Air
The fluidisation of reactor 1 and reaction gas are air.1 bottom of air reactor sets primary air fan 11 and is to realize in air reactor 1
The complete fluidisation of material, so that burner hearth is in strong turbulence state；In 1 lower part of air reactor, setting secondary air fan 12 is
Wind pressure is reduced, system station service power consumption rate is reduced, saves operating cost.
The material returning device 3 is fluid unit, and the vaporium 14 is connect with material returning device 3.The solid solid separator 7 is stream
Change bed apparatus, the vaporium 14 is connect with solid solid separator 7.The fluidizing gas of material returning device 3 and solid solid separator 7 selects water to steam
Gas, Gu solid separator 7 and material returning device 3 are all made of fluid unit, fluidized reaction gas selects vapor, it is therefore intended that realization is filled
While shuntingization separates, the chemical reaction of the solid fuels such as whole vapor and semicoke and circulating ash, to realize that solid fires
The abundant chemical reaction of material.
Embodiment:
As shown in Figure 1, a kind of burning chemistry chains system, including air reactor 1, gas-solid separator A2, material returning device 3, load
Oxysome storehouse 4, fuel reactor 5, gas-solid separator B6 and solid solid separator 7, Bunker 8；1 material of air reactor
Outlet is connect with gas-solid separator A2 material inlet, the gas-solid separator A2 first material outlet and 3 material inlet of material returning device
Connection, 3 material outlet of material returning device are connect with 5 the first import of material of fuel reactor；5 material outlet of fuel reactor
It is connect with gas-solid separator B6 material inlet, the gas-solid separator B6 material first outlet and solid 7 material inlet of solid separator
Connection, the solid 7 material first outlet of solid separator are connect with 5 the second import of material of fuel reactor, the solid solid separator 7
Material second outlet is connect with 1 the first import of material of air reactor；The oxygen carrier storehouse 4 and 1 material second of air reactor
Import connection, the Bunker 8 are connect with 5 material third import of fuel reactor.The gas-solid separator A2 material second
Outlet is equipped with exhausting pipeline, changes between the gas-solid separator A2 material second outlet and exhausting pipeline equipped with air reactor
Hot device 15.The gas-solid separator B6 material second outlet is equipped with exhausting pipeline, the gas-solid separator B6 material second outlet
Fuel reactor heat exchanger 16 is equipped between exhausting pipeline.It further include recirculation blower 13, vaporium 14, the fuel reaction
Device 5 is circulating fluid bed reactor, and the gas-solid separator B6 material second outlet is anti-by recirculation blower (13) and fuel
5 lower part of device is answered to connect, the vaporium 14 is connect with the outlet of recirculation blower 13.It further include primary air fan 11, secondary air fan
12, the air reactor 1 is circulating fluid bed reactor, and the primary air fan 11 is connect with 1 bottom of air reactor,
The secondary air fan 12 is connect with 1 lower part of air reactor.The material returning device 3 is fluid unit, the vaporium 14 with
Material returning device 3 connects.The solid solid separator 7 is fluid unit, and the vaporium 14 is connect with solid solid separator 7.
Claims (9)
1. a kind of burning chemistry chains system, it is characterised in that: including air reactor (1), gas-solid separator A (2), material returning device
(3), oxygen carrier storehouse (4), fuel reactor (5), gas-solid separator B (6) and solid solid separator (7), Bunker (8)；It is described
Air reactor (1) material outlet connect with gas-solid separator A (2) material inlet, (2) first object of gas-solid separator A
Material outlet is connect with material returning device (3) material inlet, material returning device (3) material outlet and fuel reactor (5) material first into
Mouth connection；Fuel reactor (5) material outlet is connect with gas-solid separator B (6) material inlet, the gas-solid separator B
(6) material first outlet is connect with solid solid separator (7) material inlet, solid solid separator (7) the material first outlet and combustion
Expect reactor (5) second import of material connection, solid solid separator (7) the material second outlet and air reactor (1) material
First import connection；The oxygen carrier storehouse (4) connect with air reactor (1) second import of material, the Bunker (8) and combustion
Expect reactor (5) material third import connection.
2. a kind of burning chemistry chains system according to claim 1, it is characterised in that: described gas-solid separator A (2) object
Expect that second outlet is equipped with exhausting pipeline.
3. a kind of burning chemistry chains system according to claim 2, it is characterised in that: described gas-solid separator A (2) object
Expect to be equipped with air reactor heat exchanger (15) between second outlet and exhausting pipeline.
4. a kind of burning chemistry chains system according to claim 1, it is characterised in that: gas-solid separator B (6) material
Second outlet is equipped with exhausting pipeline.
5. a kind of burning chemistry chains system according to claim 4, it is characterised in that: gas-solid separator B (6) material
Fuel reactor heat exchanger (16) are equipped between second outlet and exhausting pipeline.
6. a kind of burning chemistry chains system according to claim 1, it is characterised in that: further include recirculation blower (13),
Vaporium (14), the fuel reactor (5) are circulating fluid bed reactor, gas-solid separator B (6) the material second outlet
It is connect by recirculation blower (13) with fuel reactor (5) lower part, the vaporium (14) goes out with recirculation blower (13)
Mouth connection.
7. a kind of burning chemistry chains system according to claim 6, it is characterised in that: the material returning device (3) is fluidized bed
Equipment, the vaporium (14) connect with material returning device (3).
8. a kind of burning chemistry chains system according to claim 7, it is characterised in that: described solid solid separator (7) are stream
Change bed apparatus, the vaporium (14) connect with solid solid separator (7).
9. a kind of burning chemistry chains system according to claim 8, it is characterised in that: further include primary air fan (11), two
Secondary blower (12), the air reactor (1) are circulating fluid bed reactor, the primary air fan (11) and air reaction
The connection of device (1) bottom, the secondary air fan (12) are connect with air reactor (1) lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352251.6U CN208952077U (en) | 2018-08-21 | 2018-08-21 | A kind of burning chemistry chains system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352251.6U CN208952077U (en) | 2018-08-21 | 2018-08-21 | A kind of burning chemistry chains system |
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| Publication Number | Publication Date |
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| CN208952077U true CN208952077U (en) | 2019-06-07 |
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ID=66734274
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821352251.6U Active CN208952077U (en) | 2018-08-21 | 2018-08-21 | A kind of burning chemistry chains system |
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| CN (1) | CN208952077U (en) |
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2018
- 2018-08-21 CN CN201821352251.6U patent/CN208952077U/en active Active
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