CN102913899B - Recirculating fluidized bed steam, organic heat carrier, hot-air Three-in-one - Google Patents
Recirculating fluidized bed steam, organic heat carrier, hot-air Three-in-one Download PDFInfo
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- CN102913899B CN102913899B CN201210338219.3A CN201210338219A CN102913899B CN 102913899 B CN102913899 B CN 102913899B CN 201210338219 A CN201210338219 A CN 201210338219A CN 102913899 B CN102913899 B CN 102913899B
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- air
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- heat carrier
- boiler
- heat exchanger
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- 230000003134 recirculating effect Effects 0.000 title claims abstract description 11
- 238000002485 combustion reaction Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000000779 smoke Substances 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
Abstract
The present invention relates to a kind of boiler, concrete integrates steam boiler, organic heat carrier convection recuperator, the recirculating fluidized bed steam of hot-air heat exchanger, organic heat carrier, hot-air Three-in-one for a kind of.Main technical schemes of the present invention is: comprise steam boiler, organic heat carrier convection recuperator and hot-air heat exchanger; Steam boiler comprises burner hearth, the below of burner hearth connects screw(-type) feeder, the upper end of an air compartment is had to connect burner hearth, the lower end of air compartment is connected with combustion air preheater, the exit of described furnace chamber is provided with separator, the below outlet of separator is provided with material returning device, the side of separator arranges described organic heat carrier heat exchanger, the side of organic heat carrier heat exchanger arranges described hot-air heat exchanger, the below of hot-air heat exchanger connects combustion-supporting air preheater, and below hot air boiler, outlet place is provided with smoke duster.
Description
Technical field
The present invention relates to a kind of boiler, concrete integrates steam boiler, organic heat carrier convection recuperator, the recirculating fluidized bed steam of hot-air heat exchanger, organic heat carrier, hot-air Three-in-one for a kind of.
Background technology
It is high that CFBC has efficiency of combustion, is easy in stove, realize desulfurization and a series of advantage such as nitrogen oxide discharge capacity is low, and coal adaptability is wide.In recirculating fluidized bed, the circulating ratio of ash is higher, then efficiency of combustion is higher, but blower power requires higher, and power consumption is larger, and the degree that upper furnace heating surface is worn is more serious.According to fuel and other situation of China, we adopt moderate multiplying factor high temperature circulation, can avoid some defects of high rate cyclic fluidized-bed combustion boiler, improve separative efficiency and efficiency of combustion simultaneously, increase the service life.
As everyone knows, steam boiler, the hot air boiler of independent employing CFBC mode are very ripe products, but adopt the boiler of organic heat carrier of CFBC mode to consider abrasionproof problem, are never used.
Summary of the invention
Main purpose of the present invention is to overcome deficiency of the prior art, there is provided a kind of and adopt CFBC mode, integrate steam boiler, organic heat carrier convection recuperator, the recirculating fluidized bed steam of hot-air heat exchanger, organic heat carrier, hot-air Three-in-one.
Above-mentioned technical problem of the present invention is implemented by the following technical programs: a kind of recirculating fluidized bed steam, organic heat carrier, hot-air Three-in-one, comprise steam boiler, organic heat carrier convection recuperator and hot-air heat exchanger; Steam boiler comprises burner hearth, the below of burner hearth connects screw(-type) feeder, the upper end of an air compartment is had to connect burner hearth, the lower end of air compartment is connected with combustion air preheater, the exit of described furnace chamber is provided with separator, the below outlet of separator is provided with material returning device, the side of separator arranges described organic heat carrier heat exchanger, the side of organic heat carrier heat exchanger arranges described hot-air heat exchanger, the below of hot-air heat exchanger connects combustion-supporting air preheater, and below hot air boiler, outlet place is provided with smoke duster.
As preferably, be provided with the combustion chamber be made up of furnace wall and membrane wall in described burner hearth, burner hearth bottom is provided with air distribution plate.Membrane wall uses as vapor-water heat exchanger, and water enters lower header by drum by down-comer, and the steam water interface after heat exchange introduces drum by steam guiding tube.
As preferably, described furnace wall comprises light boiler setting and heavy boiler setting, and upper furnace is light boiler setting, and bottom is heavy boiler setting.
As preferably, the below outlet of described boiler of organic heat carrier and hot air boiler is provided with dust leg.
As preferably, described separator is high temperature cyclone separator.The combustible of end after-flame is burnt further and after-flame in high-temp. vortex is separated, and in flying dust, coarse granule is separable gets off, and returns burner hearth recirculation along feed chute through material returning device.
As preferably, described organic heat carrier convection recuperator comprises low temperature heat convection pipe and high temperature heat convection pipe.Organic heat carrier convection recuperator adopts horizontal layout, is 6 groups of coiled pipe structures.
Beneficial effect of the present invention is: the invention solves the potential safety hazard caused because of wearing and tearing, and position easy to wear is provided with hot-air heat exchanger, is provided with wearing-resistant tile in organic heat carrier convection recuperator, hot-air heat exchanger windward side simultaneously.The present invention is specially adapted to enterprise steam boiler, boiler of organic heat carrier, hot air boiler three kinds of form heat energy being had to demand.Steam boiler of the present invention, organic heat carrier convection recuperator, hot-air heat exchanger, according to respective feature, are arranged in radiation heating-surface district, and high temperature convective region and low temperature convective region, in heat supply, three is non-interference.A boiler exports the heat energy of three kinds of forms simultaneously, is convenient to the management of enterprise, can reduce the operating cost of enterprise, the successful research and development of this product are that economic benefit or social benefit are all benefited the nation and the people simultaneously.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is steam boiler schematic diagram of the present invention.
Fig. 3 is organic heat carrier convection recuperator schematic diagram of the present invention.
In figure: 1, air compartment, 2, screw(-type) feeder, 4, separator, 5, organic heat carrier convection recuperator, 6, hot-air heat exchanger, 7, furnace wall, 8, combustion-supporting air preheater, 9, material returning device, 10, smoke duster, 11, burner hearth, 12, dust leg, 13, low temperature heat convection pipe, 14, high temperature heat convection pipe.
Detailed description of the invention
Below by embodiment, by reference to the accompanying drawings, technical scheme of the present invention is described in further detail:
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3 shows, a kind of recirculating fluidized bed steam, organic heat carrier, hot-air three close
One boiler, comprises steam boiler, organic heat carrier convection recuperator 5 and hot-air heat exchanger 6; Steam boiler includes by water
The burner hearth 11 that cold wall surrounds, the below of burner hearth connects screw(-type) feeder 2, has the upper end of an air compartment 1 to connect burner hearth, under air compartment
End is connected with combustion air preheater, and the exit of described furnace chamber is provided with separator 4, and the below outlet of separator is provided with
Material returning device 9, the side of separator arranges described organic heat carrier heat exchanger, described in the side of organic heat carrier heat exchanger is arranged
Hot-air heat exchanger, the below of hot-air heat exchanger connects combustion-supporting air preheater 8, and below hot air boiler, outlet place establishes
Be equipped with smoke duster 10.Hot-air heat exchanger adopts horizontal layout.
Be provided with the combustion chamber be made up of furnace wall 7 and membrane wall in described burner hearth, burner hearth bottom is provided with air distribution plate.Buckstay is provided with, in order to support membrane wall outside water-cooling wall.Burner hearth adopts many return structures, can the effective time of staying of prolong smoke in stove, adds stirring, fully can mix with air.
Described furnace wall comprises light boiler setting and heavy boiler setting, and upper furnace is light boiler setting, and bottom is heavy boiler setting.
The below outlet of described boiler of organic heat carrier and hot air boiler is provided with dust leg 12.
Described separator is high temperature cyclone separator.And be provided with two.
Described organic heat carrier convection recuperator comprises low temperature heat convection pipe 13 and high temperature heat convection pipe 14.Organic heat carrier convection recuperator adopts horizontal layout, is 6 groups of coiled pipe structures.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (3)
1. recirculating fluidized bed steam, organic heat carrier, a hot-air Three-in-one, comprise steam boiler, it is characterized in that, also comprises organic heat carrier convection recuperator (5) and hot-air heat exchanger (6), steam boiler comprises burner hearth (11), the below of burner hearth connects screw(-type) feeder (2), the upper end of an air compartment (1) is had to connect burner hearth, the lower end of air compartment is connected with combustion air preheater, the exit of described furnace chamber is provided with separator (4), the below outlet of separator is provided with material returning device (9), the side of separator arranges described organic heat carrier heat exchanger, the side of organic heat carrier heat exchanger arranges described hot-air heat exchanger, the below of hot-air heat exchanger connects combustion-supporting air preheater (8), below hot air boiler, outlet place is provided with smoke duster (10), in organic heat carrier convection recuperator, hot-air heat exchanger windward side, wearing-resistant tile is set,
Be provided with the combustion chamber be made up of furnace wall (7) and membrane wall in described burner hearth, burner hearth bottom is provided with air distribution plate;
The below outlet of described boiler of organic heat carrier and hot air boiler is provided with dust leg (12);
Described organic heat carrier convection recuperator comprises low temperature heat convection pipe (13) and high temperature heat convection pipe (14);
Described organic heat carrier convection recuperator adopts horizontal layout, is 6 groups of coiled pipe structures;
Described burner hearth adopts many return structures.
2. recirculating fluidized bed steam according to claim 1, organic heat carrier, hot-air Three-in-one, is characterized in that, described furnace wall comprises light boiler setting and heavy boiler setting, and upper furnace is light boiler setting, and bottom is heavy boiler setting.
3. recirculating fluidized bed steam according to claim 1, organic heat carrier, hot-air Three-in-one, is characterized in that, described separator is high temperature cyclone separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210338219.3A CN102913899B (en) | 2012-09-13 | 2012-09-13 | Recirculating fluidized bed steam, organic heat carrier, hot-air Three-in-one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210338219.3A CN102913899B (en) | 2012-09-13 | 2012-09-13 | Recirculating fluidized bed steam, organic heat carrier, hot-air Three-in-one |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102913899A CN102913899A (en) | 2013-02-06 |
| CN102913899B true CN102913899B (en) | 2015-12-02 |
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| CN201210338219.3A Active CN102913899B (en) | 2012-09-13 | 2012-09-13 | Recirculating fluidized bed steam, organic heat carrier, hot-air Three-in-one |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512029B (en) * | 2013-10-14 | 2016-02-10 | 上海交通大学 | The organic working medium boiler of coal-fired fluidized bed burning |
| CN105805720B (en) * | 2015-07-17 | 2018-04-27 | 衢州学院 | A kind of Three-in-one equipped with unattended boiler control system |
| CN106224941B (en) * | 2016-07-25 | 2018-09-11 | 泉州恒兴能源节能技术有限公司 | A kind of organic heat carrier steam hot wind combination heating power coproduction circulating fluidized bed boiler |
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| CN101963350A (en) * | 2010-10-12 | 2011-02-02 | 王森 | Material separator for circulating fluidized bed boiler |
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| CN102628590A (en) * | 2012-03-20 | 2012-08-08 | 广东电网公司电力科学研究院 | Biomass circulating fluidized bed direct combustion apparatus |
| CN203162932U (en) * | 2012-09-13 | 2013-08-28 | 浙江金锅锅炉有限公司 | Three-in-one boiler of circulating fluidized bed steam, organic heat carrier and hot air |
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2012
- 2012-09-13 CN CN201210338219.3A patent/CN102913899B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021318A (en) * | 2006-02-16 | 2007-08-22 | 山东兖矿国际焦化有限公司 | New technique for solving the problem of middle-and small-size circulating fluidized bed boiler coking |
| CN101149144A (en) * | 2007-11-01 | 2008-03-26 | 上海交通大学 | Circulation fluidized combustion system using wet oil shale semi-coke as material |
| CN101696799A (en) * | 2009-10-31 | 2010-04-21 | 无锡华光工业锅炉有限公司 | Device for preventing circulating fluidized bed boiler from coking |
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| CN102913899A (en) | 2013-02-06 |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Wenjian Inventor after: Hu Bin Inventor after: Lv Houming Inventor after: Wang Biaobing Inventor after: Zhou Chenghua Inventor after: Hu Aiguo Inventor after: Zhou Yueping Inventor after: Li Qi Inventor after: Li Kai Inventor before: Lv Houming Inventor before: Hu Bin Inventor before: Li Wenjian Inventor before: Wang Biaobing Inventor before: Zhou Chenghua Inventor before: Hu Aiguo Inventor before: Zhou Yueping Inventor before: Li Qi Inventor before: Li Kai |
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Free format text: CORRECT: INVENTOR; FROM: LV HOUMING HU BIN LI WENJIAN WANG BIAOBING ZHOU CHENGHUA HU AIGUO ZHOU YUEPING LI QI LI KAI TO: LI WENJIAN HU BIN LV HOUMING WANG BIAOBING ZHOU CHENGHUA HU AIGUO ZHOU YUEPING LI QI LI KAI |
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| C14 | Grant of patent or utility model | ||
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Denomination of invention: Circulating fluidized bed steam, organic heat carrier and hot air three in one boiler Effective date of registration: 20210714 Granted publication date: 20151202 Pledgee: Bank of Jinhua Limited by Share Ltd. Jindong branch Pledgor: ZHEJIANG JINGUO BOILER Co.,Ltd. Registration number: Y2021330000894 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221122 Granted publication date: 20151202 Pledgee: Bank of Jinhua Limited by Share Ltd. Jindong branch Pledgor: ZHEJIANG JINGUO BOILER Co.,Ltd. Registration number: Y2021330000894 |