CN110186033A - A kind of chemical chain reaction device based on A class oxygen carrier - Google Patents
A kind of chemical chain reaction device based on A class oxygen carrier Download PDFInfo
- Publication number
- CN110186033A CN110186033A CN201910445279.7A CN201910445279A CN110186033A CN 110186033 A CN110186033 A CN 110186033A CN 201910445279 A CN201910445279 A CN 201910445279A CN 110186033 A CN110186033 A CN 110186033A
- Authority
- CN
- China
- Prior art keywords
- connects
- reactor riser
- oxygen carrier
- cyclone separator
- air
- Prior art date
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/002—Fluidised bed combustion apparatus for pulverulent solid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/24—Devices for removal of material from the bed
- F23C10/26—Devices for removal of material from the bed combined with devices for partial reintroduction of material into the bed, e.g. after separation of agglomerated parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
A kind of chemical chain reaction device based on A class oxygen carrier includes air reactor riser, fuel reactor riser, feed screw, cyclone separator, buffer, electromagnetic separator, ash discharging hole, electric heater, motor, it is characterized by: left motor connects oxygen carrier feed screw, connect air reactor riser, bottom connects air blower, electric heater, top connects oxidant side cyclone separator, the fuel reactor riser on bottom connection right side, fuel reactor promotes bottom of the tube and connects air blower, electric heater, top connects cyclone separator, bottom connects magnetic sorting device, left side connects air reactor riser, right side connects fuel reactor riser.Unit efficiency is improved using A class oxygen carrier, fire coal is allowed to become more environmentally-friendly green, reduces the discharge amount of carbon dioxide caused by fire coal, chemical chain burning technology substitution typical coal-fired boiler technology is allowed to be possibly realized.
Description
Technical field
The present invention relates to a kind of chemical chain reaction device, especially a kind of material is Co-Ni-Al2O3A class particle oxygen carrier
Body.
Background technique
Present chemical chain reaction device has good property compared to conventional boiler, but there are many problems: 1, oxygen carrier
Cycle rate is low；2, chemical chain reaction device power is low；3, occupied space is big.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of chemical chain reaction device based on A class oxygen carrier.
The technical solution adopted by the present invention to solve the technical problems is: a kind of chemical chain reaction based on A class oxygen carrier
Device includes air reactor riser, fuel reactor riser, oxygen carrier feed screw, fuel feed screw, oxidation
Side cyclone separator, reduction side cyclone separator, buffer, electromagnetic separator, ash discharging hole, electric heater, motor, feature exist
In: left motor connects oxygen carrier feed screw, connects air reactor riser, and it is mechanical, electrical to promote bottom of the tube connection air blast
Heater, top connect oxidant side cyclone separator, and cyclone separator top connects air-exhausting duct, and lower part connects by U-shaped sealing valve
The fuel reactor riser on right side is connect, fuel reactor promotes bottom of the tube and connects air blower, electric heater, and top connects whirlwind
Separator, cyclone separator top connect air-exhausting duct, and lower part connecting conveying pipe is sent into buffer, and bottom reconnects magnetic sorting
Device, left side connect back to air reactor riser by U-shaped sealing valve, and right side connects back to fuel reactor by U-shaped sealing valve
Riser.
Further, the electromagnetic separation device is made of disk, electromagnetic rotor, spring, baffle.
Further, ash discharging hole is connected by U-shaped sealing valve on the right side of the fuel reactor riser.
Further, the U-shaped sealing valve bottom is all connected with air distribution plate and is passed through nitrogen.
The beneficial effects of the present invention are:
It is Co-Ni/Al by choosing material2O3The oxygen carrier of A class particle possess very high ratio since A class grain diameter is small
Surface area can be improved oxygen carrier unit mass oxygen carrier amount, improve the operation power of chemical chain；And A class particle is compared to conventional D
Class particle possesses fabulous mobility, and the flowing in fluidized bed can be improved, and improves the reaction rate in fuel reactor, improves
Whole efficiency；Due to having chosen this kind of particle, chemical chain reaction device is improved, by buffer and electromagnetic separator, is incited somebody to action
The coal dust and oxygen carrier that cyclone separator is separated are separated, and the particle deceleration of whereabouts can be following by buffer
Separation prepare, due to oxygen carrier choose be Co-Ni/Al2O3, the iron and nickel of reduction have ferromagnetism, can be adsorbed on electromagnetism
On sorter, then it is isolated by baffle, the mode of electromagnetic separation can quickly separate oxygen carrier and coal ash,
Separative efficiency is improved, cycle rate is improved；The rate in each stage of circulation can be effectively improved by above mode, with
This capture to realize higher chemical chain reaction device power and carbon dioxide.
Detailed description of the invention
Fig. 1 is a kind of system diagram of chemical chain reaction device based on A class oxygen carrier；
It is 28 structural schematic diagram of electromagnetic separator that Fig. 2, which is a kind of chemical chain reaction device based on A class oxygen carrier,；
Fig. 3 is a kind of oxygen carrier oxidating-reduction circulation schematic diagram of chemical chain reaction device based on A class oxygen carrier；
Fig. 4 is a kind of fuel-flying dust circulation schematic diagram of chemical chain reaction device based on A class oxygen carrier；
Fig. 5 is a kind of air-flue gas recirculation schematic diagram of chemical chain reaction device based on A class oxygen carrier；
Fig. 6 is a kind of showing particle distribution of chemical chain reaction device based on A class oxygen carrier；
In figure: oxygen carrier feed screw 11, motor 12, air blower 13, electric heater 14, air reactor riser 15, oxygen
Change side cyclone separator 16, fuel feed screw 21, motor 22, air blower 23, electric heater 24, fuel reactor riser
25, side cyclone separator 26, buffer 27, electromagnetic separator 28, disk 281, electromagnetic rotor 282, spring 283, baffle are restored
284, the U-shaped sealing valve 31 of ash discharging hole 29, air, the U-shaped sealing valve 32 of fuel, the U-shaped sealing valve 33 of feed back.
Specific embodiment
For technical solution of the present invention is more clearly understood, specific embodiment makees into one the present invention with reference to the accompanying drawing
Walk explanation.
As shown in Figure 1, a kind of chemical chain reaction device based on A class oxygen carrier includes air reactor riser 15, fuel
Reactor riser 25, oxygen carrier feed screw 11, fuel feed screw 21, oxidant side cyclone separator 16, reduction side
Cyclone separator 26, buffer 27, electromagnetic separator 28, ash discharging hole 29, electric heater 14, motor 12, it is characterised in that: left side
Motor 12 connects oxygen carrier feed screw 11, connects air reactor riser 15, promotes bottom of the tube connection air blower 13, electricity
Heater 14, top connect oxidant side cyclone separator 16, and cyclone separator top connects air-exhausting duct, and U-shaped sealing is passed through in lower part
The fuel reactor riser 25 on the connection of valve 31 right side, 25 bottom of fuel reactor riser connects air blower 23, electric heater
24, top connects cyclone separator 26, and cyclone separator top connects air-exhausting duct, and lower part connecting conveying pipe is sent into buffer 27,
Bottom reconnects magnetic sorting device 28, and left side connects back to air reactor riser 15 by U-shaped sealing valve 32, and U is passed through on right side
Type sealing valve 33 connects back to fuel reactor riser.
Further, the electromagnetic separation device is made of disk 281, electromagnetic rotor 282, spring 283, baffle 284.
Further, ash discharging hole 29 is connected by U-shaped sealing valve on the right side of the fuel reactor riser.
Further, the U-shaped sealing valve bottom is all connected with air distribution plate and is passed through nitrogen.
As shown in Fig. 2, electromagnetic separation is made of disk 281, electromagnetic rotor 282, spring 283, baffle 284, keep in
Material in device 27 falls into electromagnetic separator 28 by deceleration, 281 sets of disk on rotor 282, rotor 282 is compact electromagnetic
Iron is powered and generates compared with low-intensity magnetic field, can attract with ferromagnetic oxygen carrier, since magnetic action can will have magnetism
Oxygen carrier transport to left side, do not have magnetic coal dust fall into right side；It can will be adsorbed on disk 281 by baffle 284
Oxygen carrier is removed, and left side pipeline is fallen into.
It is illustrated in figure 3 the oxidationreduction circulation of oxygen carrier: after oxygen carrier injects air reactor riser 15, upper
Rise during with hot-air occur oxidation reaction, section is transported by riser and is transported to oxidant side cyclone separator 16, by from
Solid particle is isolated in heart effect, falls into the U-shaped sealing valve 31 in lower section, and bottom inflow makes particle have fluidization characteristic, due to even
Logical device characteristic is injected into fuel reactor riser 25 without what is leaked out, and reduction reaction, reaction occurs with coal dust in uphill process
Particle afterwards enter riser transport section be transported to reduction side cyclone separator 26, solid particle is separated by centrifugal action
Out, the particle isolated has coal dust, oxygen carrier, ash content, by the buffering of buffer 27, by magnetic sorting device 28 by oxygen carrier
It is transmitted back to air reactor riser 15 to be recycled, coal dust is transmitted back to fuel reactor riser 25 and continues to participate in reaction.
It is illustrated in figure 4 coal dust-ash content circulation: after coal dust injects fuel reactor riser 25, occurring with oxygen carrier anti-
It answers, the ash content of generation is divided into coarse granule and fine grained, and coarse granule can float to bed upper surface with the process of fluidisation, into ash discharge
Mouth 29；Fine grained a part can enter reduction side cyclone separator 26 with flue gas, and as flue gas is discharged, flue gas eventually enters into quiet
Electrical dust collector device is separated；Another part can return to fuel reactor riser 25 with uncombusted coal dust, not with cyclic process
Disconnected agglomerate and broken, finally with the discharge of first two situation.
Be illustrated in figure 5 air-flue gas recirculation: preheated air is injected in 15 bottom of air reactor riser, is oxygen carrier
Body provides oxygen, and maintains fluidized bed state, aoxidizes sidespin wind separator 16 by top and flue gas is discharged, main component is with N2For
It is main；25 bottom of fuel reactor riser is only injected into a small amount of air to ensure that oxidized is complete, restores side eventually by top
Flue gas is discharged in cyclone separator 26, and main component is with CO2Based on.
Claims (3)
1. a kind of chemical chain reaction device based on A class oxygen carrier includes air reactor riser (15), fuel reactor promotion
Manage (25), oxygen carrier feed screw (11), fuel feed screw (21), oxidant side cyclone separator (16), reduction sidespin
Wind separator (26), buffer (27), electromagnetic separator (28), ash discharging hole (29), electric heater (14), motor (12), it is special
Sign is: left motor (12) connects oxygen carrier feed screw (11), connects air reactor riser (15), riser bottom
Portion connects air blower (13), electric heater (14), and top connects oxidant side cyclone separator (16), the connection of cyclone separator top
Air-exhausting duct, fuel reactor riser (25) of the lower part by U-shaped sealing valve (31) connection right side, fuel reactor riser
(25) bottom connects air blower (23), electric heater (24), and top connects cyclone separator (26), the connection of cyclone separator top
Air-exhausting duct, lower part connecting conveying pipe are sent into buffer (27), and bottom reconnects magnetic sorting device (28), and U-shaped sealing is passed through in left side
Valve (32) connects back to air reactor riser (15), and right side connects back to fuel reactor riser by U-shaped sealing valve (33).
2. electromagnetic separation device according to claim 1 is by disk (281), electromagnetic rotor (282), spring (283), baffle
(284) it constitutes.
3. connecting ash discharging hole (29) by U-shaped sealing valve on the right side of fuel reactor riser according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445279.7A CN110186033A (en) | 2019-05-27 | 2019-05-27 | A kind of chemical chain reaction device based on A class oxygen carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445279.7A CN110186033A (en) | 2019-05-27 | 2019-05-27 | A kind of chemical chain reaction device based on A class oxygen carrier |
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| Publication Number | Publication Date |
|---|---|
| CN110186033A true CN110186033A (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910445279.7A Pending CN110186033A (en) | 2019-05-27 | 2019-05-27 | A kind of chemical chain reaction device based on A class oxygen carrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280329A (en) * | 2021-05-31 | 2021-08-20 | 哈尔滨理工大学 | Circulating fluidized bed based on magnetic nanoparticle oxygen carrier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009101233A1 (en) * | 2008-02-15 | 2009-08-20 | Consejo Superior De Investigaciones Científicas | Solid nio/al2o3 oxygen carrier that is useful for methane reforming, method for producing same and applications thereof |
| CN102878552A (en) * | 2012-07-06 | 2013-01-16 | 华北电力大学 | Magnetic oxygen carrier based solid fuel chemical-looping combustion system and technology |
| CN203231297U (en) * | 2013-03-05 | 2013-10-09 | 上海锅炉厂有限公司 | Chemical-looping combustion reactor device |
| CN107401841A (en) * | 2017-07-21 | 2017-11-28 | 东北大学 | A kind of apparatus and method of magnetic control burning chemistry chains reaction |
| CN207696356U (en) * | 2017-12-13 | 2018-08-07 | 桐乡聚业钢结构有限公司 | A kind of magnetic separating device for shot-blasting machine |
-
2019
- 2019-05-27 CN CN201910445279.7A patent/CN110186033A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009101233A1 (en) * | 2008-02-15 | 2009-08-20 | Consejo Superior De Investigaciones Científicas | Solid nio/al2o3 oxygen carrier that is useful for methane reforming, method for producing same and applications thereof |
| CN102878552A (en) * | 2012-07-06 | 2013-01-16 | 华北电力大学 | Magnetic oxygen carrier based solid fuel chemical-looping combustion system and technology |
| CN203231297U (en) * | 2013-03-05 | 2013-10-09 | 上海锅炉厂有限公司 | Chemical-looping combustion reactor device |
| CN107401841A (en) * | 2017-07-21 | 2017-11-28 | 东北大学 | A kind of apparatus and method of magnetic control burning chemistry chains reaction |
| CN207696356U (en) * | 2017-12-13 | 2018-08-07 | 桐乡聚业钢结构有限公司 | A kind of magnetic separating device for shot-blasting machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280329A (en) * | 2021-05-31 | 2021-08-20 | 哈尔滨理工大学 | Circulating fluidized bed based on magnetic nanoparticle oxygen carrier |
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Application publication date: 20190830 |
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