CN203162932U - Three-in-one boiler of circulating fluidized bed steam, organic heat carrier and hot air - Google Patents
Three-in-one boiler of circulating fluidized bed steam, organic heat carrier and hot air Download PDFInfo
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- CN203162932U CN203162932U CN201220465523XU CN201220465523U CN203162932U CN 203162932 U CN203162932 U CN 203162932U CN 201220465523X U CN201220465523X U CN 201220465523XU CN 201220465523 U CN201220465523 U CN 201220465523U CN 203162932 U CN203162932 U CN 203162932U
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- boiler
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- heat carrier
- organic heat
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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
Abstract
The utility model relates to a boiler, and particularly relates to a three-in-one boiler of circulating fluidized bed steam, an organic heat carrier and hot air in which a steam boiler, an organic heat carrier convective heat exchanger and a hot air heat exchanger are integrated together. The main technical scheme of the utility model is as follows: the boiler comprises the steam boiler, the organic heat carrier convective heat exchanger and the hot air heat exchanger, wherein the steam boiler comprises a hearth; a helix feeder is connected below the hearth; the upper end with an air chamber is connected with the hearth; the lower end of the air chamber is connected with a combustion-supporting air pre-heater; a separator is arranged at the outlet of the boiler chamber; a material returning device is arranged at the outlet below the separator; the organic heat carrier convective heat exchanger is arranged at one side of the separator; the hot air heat exchanger is arranged at one side of the organic heat carrier convective heat exchanger; the combustion-supporting air pre-heater is connected below the hot air heat exchanger; and a fume dedustor is arranged at the outlet below a hot air boiler.
Description
Technical field
The present invention relates to a kind of boiler, concrete for a kind of steam boiler, organic heat carrier convection recuperator, hot-air heat exchanger of collecting be the three-in-one boiler of recirculating fluidized bed steam, organic heat carrier, hot-air of one.
Background technology
CFBC has the efficiency of combustion height, is easy to realize in stove a series of advantages such as desulfurization and nitrogen oxide discharge capacity are low, and coal adaptability is wide.Circulating ratio grey in the recirculating fluidized bed is higher, and then efficiency of combustion is higher, but the blower power requirement is higher, and power consumption is bigger, and the degree that the upper furnace heating surface is worn heals serious.According to fuel and other situation of China, we adopt the moderate multiplying factor high temperature circulation, can avoid some defectives of high magnification CFBB, have improved separative efficiency and efficiency of combustion simultaneously, increase the service life.
As everyone knows, adopting steam boiler, the hot-air boiler of CFBC mode separately is very ripe product, but adopts the boiler of organic heat carrier of CFBC mode to consider the abrasionproof problem, never is used.
Summary of the invention
Main purpose of the present invention is to overcome deficiency of the prior art, a kind of employing CFBC mode is provided, and collection steam boiler, organic heat carrier convection recuperator, hot-air heat exchanger are the three-in-one boiler of recirculating fluidized bed steam, organic heat carrier, hot-air of 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, the three-in-one boiler of hot-air 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, there is the upper end of an air compartment to connect burner hearth, the lower end of air compartment links to each other with the combustion air preheater, the exit of described burner hearth is provided with separator, the below outlet of separator is provided with material returning device, one side of separator arranges described organic heat carrier convection recuperator, one side of organic heat carrier convection recuperator arranges described hot-air heat exchanger, the below of hot-air heat exchanger connects the combustion air preheater, and outlet place, hot-air heat exchanger below is provided with smoke duster.
As preferably, be provided with the combustion chamber of being formed by furnace wall and membrane wall in the described burner hearth, burner hearth bottom is provided with air distribution plate.Membrane wall uses as vapor-water heat exchanger, and water enters the next part case by drum by down-comer, and the steam water interface after the heat exchange is introduced 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 the bottom is heavy boiler setting.
As preferably, the below outlet of described organic heat carrier convection recuperator and hot-air heat exchanger is provided with dust leg.
As preferably, described separator is high temperature cyclone separator.The combustible of end after-flame is further burnt and after-flame in the high temperature cyclonic separation, and coarse granule is separable in the flying dust 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.The 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 that causes because of wearing and tearing, 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 steam boiler, boiler of organic heat carrier, three kinds of form heat energy of hot-air boiler are had the enterprise of demand.Steam boiler of the present invention, organic heat carrier convection recuperator, hot-air heat exchanger basis characteristics separately are arranged in the radiation heating-surface district, high temperature convective region and low temperature convective region, three's mutually noninterfere aspect heat supply.Export the heat energy of three kinds of forms simultaneously on a boiler, be convenient to the management of enterprise, can reduce the operating cost of enterprise simultaneously, the successful research and development of this product are that economic benefit or social benefit are all benefited the nation and the people.
Description of drawings
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.
Among the 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, the combustion 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.
The specific embodiment
Below by embodiment, by reference to the accompanying drawings, technical scheme of the present invention is described in further detail:
Embodiment 1: as Fig. 1, Fig. 2, shown in Figure 3, a kind of recirculating fluidized bed steam, organic heat carrier, the three-in-one boiler of hot-air comprise steam boiler, organic heat carrier convection recuperator 5 and hot-air heat exchanger 6; Steam boiler includes the burner hearth 11 that is surrounded by water-cooling wall, the below of burner hearth connects screw(-type) feeder 2, there is the upper end of an air compartment 1 to connect burner hearth, the lower end of air compartment links to each other with the combustion air preheater, the exit of described burner hearth is provided with separator 4, the below outlet of separator is provided with material returning device 9, one side of separator arranges described organic heat carrier convection recuperator, one side of organic heat carrier convection recuperator arranges described hot-air heat exchanger, the below of hot-air heat exchanger connects combustion air preheater 8, outlet place, hot-air heat exchanger below is provided with smoke duster 10, and hot-air heat exchanger adopts horizontal layout.
Be provided with the combustion chamber of being made up of furnace wall 7 and membrane wall in the described burner hearth, burner hearth bottom is provided with air distribution plate.Water-cooling wall is provided with buckstay outward, in order to support membrane wall.Burner hearth adopts many return structures, effectively the time of staying of prolong smoke in stove, has increased stirring, can fully mix with air.
Described furnace wall comprises light boiler setting and heavy boiler setting, and upper furnace is light boiler setting, and the bottom is heavy boiler setting.
The below outlet of described organic heat carrier convection recuperator and hot-air heat exchanger 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.The organic heat carrier convection recuperator adopts horizontal layout, is 6 groups of coiled pipe structures.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (6)
1. a recirculating fluidized bed steam, organic heat carrier, the three-in-one boiler of hot-air comprise steam boiler, it is characterized in that, also comprise 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), there is the upper end of an air compartment (1) to connect burner hearth, the lower end of air compartment links to each other with the combustion air preheater, the exit of described burner hearth is provided with separator (4), the below outlet of separator is provided with material returning device (9), one side of separator arranges described organic heat carrier convection recuperator, one side of organic heat carrier convection recuperator arranges described hot-air heat exchanger, the below of hot-air heat exchanger connects combustion air preheater (8), and outlet place, hot-air heat exchanger below is provided with smoke duster (10).
2. recirculating fluidized bed steam according to claim 1, organic heat carrier, the three-in-one boiler of hot-air is characterized in that, are provided with the combustion chamber of being made up of furnace wall (7) and membrane wall in the described burner hearth, and burner hearth bottom is provided with air distribution plate.
3. recirculating fluidized bed steam according to claim 2, organic heat carrier, the three-in-one boiler of hot-air is characterized in that described furnace wall comprises light boiler setting and heavy boiler setting, and upper furnace is light boiler setting, and the bottom is heavy boiler setting.
4. recirculating fluidized bed steam according to claim 1, organic heat carrier, the three-in-one boiler of hot-air is characterized in that, the below outlet of described organic heat carrier convection recuperator and hot-air heat exchanger is provided with dust leg (12).
5. recirculating fluidized bed steam according to claim 1, organic heat carrier, the three-in-one boiler of hot-air is characterized in that, described separator is high temperature cyclone separator.
6. recirculating fluidized bed steam according to claim 1, organic heat carrier, the three-in-one boiler of hot-air is characterized in that, described organic heat carrier convection recuperator comprises low temperature heat convection pipe (13) and high temperature heat convection pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220465523XU CN203162932U (en) | 2012-09-13 | 2012-09-13 | Three-in-one boiler of circulating fluidized bed steam, organic heat carrier and hot air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220465523XU CN203162932U (en) | 2012-09-13 | 2012-09-13 | Three-in-one boiler of circulating fluidized bed steam, organic heat carrier and hot air |
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| Publication Number | Publication Date |
|---|---|
| CN203162932U true CN203162932U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220465523XU Expired - Lifetime CN203162932U (en) | 2012-09-13 | 2012-09-13 | Three-in-one boiler of circulating fluidized bed steam, organic heat carrier and hot air |
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| CN (1) | CN203162932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913899A (en) * | 2012-09-13 | 2013-02-06 | 浙江金锅锅炉有限公司 | Three-in-one furnace of circulating fluidized bed steam, organic heat carrier and hot air |
-
2012
- 2012-09-13 CN CN201220465523XU patent/CN203162932U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913899A (en) * | 2012-09-13 | 2013-02-06 | 浙江金锅锅炉有限公司 | Three-in-one furnace of circulating fluidized bed steam, organic heat carrier and hot air |
| CN102913899B (en) * | 2012-09-13 | 2015-12-02 | 浙江金锅锅炉有限公司 | Recirculating fluidized bed steam, organic heat carrier, hot-air Three-in-one |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |