CN203298291U - Gasification combustor of biomass fluidized bed - Google Patents
Gasification combustor of biomass fluidized bed Download PDFInfo
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- CN203298291U CN203298291U CN2013201712752U CN201320171275U CN203298291U CN 203298291 U CN203298291 U CN 203298291U CN 2013201712752 U CN2013201712752 U CN 2013201712752U CN 201320171275 U CN201320171275 U CN 201320171275U CN 203298291 U CN203298291 U CN 203298291U
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Abstract
The utility model relates to a gasification combustor of a biomass fluidized bed and belongs to the technical field of biomass combustion. The gasification combustor of the biomass fluidized bed comprises a combustion air intake pipe, a tangential secondary air opening, an air interlayer, a pre-combusting chamber, a third air opening, a Venturi nozzle, a fuel feeding pipe, an air cap, a primary air opening, a pressure equalizing chamber, a gasification air intake pipe, a dust exhaust pipe and a fluidized bed gasification chamber. The air intake pipe is connected with the tangential secondary air opening and the third air opening through the air interlayer. The gasification air intake pipe is connected with the primary air opening through the pressure equalizing chamber and the air cap. The fuel feeding pipe and the dust exhaust pipe are installed on the side wall and the bottom of the gasification combustion chamber respectively. The fluidized bed gasification chamber is arranged at the bottom of the pre-combusting chamber and the exit of the pre-combusting chamber is provided with the Venturi nozzle. According to the gasification combustor of the biomass fluidized bed, the unique technology and the unique structure are adopted, the efficiency of utilizing the biomass is improved and meanwhile, stability of combustion is ensured. The problem of tar and scorification when the biomass is gasified for use is solved.
Description
Technical field
The utility model relates to the biomass combustion field, specifically a kind of biomass fluid bed gasified combustion apparatus.
Background technology
China be faced with serious energy supply with and use the environmental problem brought, the arduous task of energy-saving and emission-reduction, the developing green energy.Scarcity along with fossil fuel, coal, petroleum gas substantial appreciation of prices, energy problem brings huge pressure will for China's economy and social development, therefore reduces the dependence to fossil fuel, the Devoting Major Efforts To Developing regenerative resource is that the significant problem that solves is badly in need of in China.
China is a large agricultural country, biomass resource is abundant, and traditional mode of utilizing not only causes larger pollution to environment, also caused the huge waste of the energy, facing under the background of lack of energy, how the biomass resource of cheapness being carried out to large-scale commercial Application is a research topic that is significant.There are the series of problems such as efficiency of combustion is low, combustion instability, slagging scorification mostly in existing biomass burner, and can't carry out large-scale commercial Application.
The utility model content:
The utility model is applied to fluidized gasification technology and swirl flow combustion technology biomass gasification fired, and staged air distribution technology, pre-gentleization of combustion technology, burning isolation technics are controlled in employing, in order to improve the utilization ratio of living beings, improve ignition temperature, improve combustion stability, solve slagging scorification and tar problem, realize biomass efficient smooth combustion.
A kind of biomass fluid bed gasified combustion apparatus of the utility model, it is characterized in that the combustion air blast pipe is connected with tertiary air orifice with tangential overfiren air port through air blanketing, top, fluidized gasification chamber is connected with precombustion chamber, venturi spray nozzle is installed the exit with precombustion chamber, the gasification air blast pipe is through all pressing chamber, blast cap to be connected with primary air nozzle, the fuel-feed pipe is located at side, fluidized gasification chamber, and ash releasing tube is arranged on the bottom of fluidized gasification chamber.
A kind of biomass fluid bed gasified combustion apparatus of the utility model, the internal diameter that it is characterized in that precombustion chamber is 800～1200mm, length is 1500mm～2100mm.
A kind of biomass fluid bed gasified combustion apparatus of the utility model, the length that it is characterized in that tangential overfiren air port is 120～200mm, is highly 50～100mm.
A kind of biomass fluid bed gasified combustion apparatus of the utility model, the height that it is characterized in that the fluidized gasification chamber is 2500～4500mm, and width is 600～1000mm, and length is 1300～1900mm.
A kind of biomass fluid bed gasified combustion apparatus of the utility model, the outlet internal diameter that it is characterized in that venturi spray nozzle is 400mm～1000mm.
A kind of biomass fluid bed gasified combustion apparatus of the utility model, is characterized in that the fuel-feed pail is 1000mm～2500mm apart from fluidized gasification chamber distance from bottom.
The accompanying drawing explanation
Fig. 1 is the cutaway view of a kind of biomass fluid bed gasified combustion apparatus of the utility model.
In figure, 1 is that combustion air blast pipe, 2 is that tangential overfiren air port, 3 is that air blanketing, 4 is that precombustion chamber, 5 is that tertiary air orifice, 6 is that venturi spray nozzle, 7 is that fuel-feed pipe, 8 is that blast cap, 9 is that primary air nozzle, 10 is that primary air blast pipe, 12 is that ash releasing tube, 13 is the fluidized gasification chamber for all pressing chamber, 11
Fig. 2 is the top view of the utility model a kind of biomass fluid bed gasified combustion apparatus fluidized gasification chamber (13).
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate the specific embodiment of a kind of biomass fluid bed gasified combustion apparatus of the utility model.
The structure of a kind of biomass fluid bed gasified combustion apparatus of the utility model as shown in Figure 1, comprises combustion air blast pipe (1), tangential overfiren air port (2), air blanketing (3), precombustion chamber (4), tertiary air orifice (5), venturi spray nozzle (6), fuel-feed pipe (7), blast cap (8), primary air nozzle (9), all presses chamber (10), primary air blast pipe (11), ash releasing tube (12), fluidized gasification chamber (13).
Fuel adds the fluidized gasification chamber from fuel feed pipe (7), after preheating, drying, gasify, produce fuel gas, wherein a part of fuel gas and primary air mixed combustion, produce high-temperature flue gas, for fuel preheating, drying and gasification provide heat, another part fuel gas enters precombustion chamber (4) together with high-temperature flue gas.Fuel in the fluidized gasification chamber through repeatedly rise and sedimentation after its volatile matter all separate out, the basic completing combustion of carbon residue, remaining lime-ash is from ash releasing tube (12) discharge fluid bed vaporizer (13).
Fuel gas mixes with tangential Secondary Air in precombustion chamber (4) with high-temperature flue gas, produce eddy flow, utilize the suction volume effect of eddy flow central negative pressure, the reinforcement auxiliary air mixes with fuel gas, when improving efficiency of combustion, also improved the temperature of precombustion chamber, guarantee the uniformity of precombustion chamber (4) thermic load, for the smooth combustion of precombustion chamber (4) long-term stable operation and fuel gas provides safeguard.The second-time burning process is imperfect combustion, and remaining fuel gas sprays precombustion chamber from venturi spray nozzle (6) together with high-temperature flue gas.
The outer ring of venturi spray nozzle (6) is equipped with tertiary air orifice (5), and tertiary air is the hot-air after preheating, the fuel gas mixed combustion of tertiary air and high temperature, but the heat boiler of feeding of generation, kiln or other Thermal Equipment are used.
a kind of biomass fluid bed gasified combustion apparatus of the utility model, it is characterized in that combustion air blast pipe (1) is connected with tertiary air orifice (5) with tangential overfiren air port (2) through air blanketing (3), top, fluidized gasification chamber (13) is connected with precombustion chamber (4), venturi spray nozzle (6) is installed the exit with precombustion chamber (4), gasification air blast pipe (11) is through all pressing chamber (10), blast cap (8) is connected with primary air nozzle (9), fuel-feed pipe (7) is located at side, fluidized gasification chamber (13), ash releasing tube (12) is arranged on the bottom of fluidized gasification chamber (13).
A kind of biomass fluid bed gasified combustion apparatus of the utility model, the internal diameter that it is characterized in that precombustion chamber (4) is 800～1200mm, length is 1500mm～2100mm.
A kind of biomass fluid bed gasified combustion apparatus of the utility model, the length that it is characterized in that tangential overfiren air port (2) is 120～200mm, is highly 50～100mm.
A kind of biomass fluid bed gasified combustion apparatus of the utility model, the height that it is characterized in that fluidized gasification chamber (13) is 2500～4500mm, and width is 600～1000mm, and length is 1300～1900mm.
A kind of biomass fluid bed gasified combustion apparatus of the utility model, the outlet internal diameter that it is characterized in that venturi spray nozzle (6) is 400mm～1000mm.
A kind of biomass fluid bed gasified combustion apparatus of the utility model, is characterized in that fuel-feed pipe (7) is 1000mm～2500mm apart from fluidized gasification chamber (13) distance from bottom.
The utility model is according to the characteristic of biology powder fuel, fluidized gasification technology and high-temp combustion technology are applied to biomass gasification fired field, and staged air distribution technology, pre-gentleization of combustion technology, burning isolation technics are controlled in employing, guarantee the burning of biomass fuel efficient stable, discharging without tar, waste water, burning fully, energy utilization rate is high, the discharging of nitrogenfree oxide and sulfide, realize the zero-emission of carbon dioxide, but continuous feeding is produced continuously, and flame temperature is high, adapts to industrial applications.
Claims (6)
1. biomass fluid bed gasified combustion apparatus, it is characterized in that: combustion air blast pipe (1) is connected with tertiary air orifice (5) with tangential overfiren air port (2) through air blanketing (3), top, fluidized gasification chamber (13) is connected with precombustion chamber (4), venturi spray nozzle (6) is installed the exit with precombustion chamber (4), gasification air blast pipe (11) is through all pressing chamber (10), blast cap (8) is connected with primary air nozzle (9), fuel-feed pipe (7) is located at side, fluidized gasification chamber (13), ash releasing tube (12) is arranged on the bottom of fluidized gasification chamber (13).
2. biomass fluid bed gasified combustion apparatus as claimed in claim 1, the internal diameter that it is characterized in that precombustion chamber (4) is 800～1200mm, length is 1500mm～2100mm.
3. biomass fluid bed gasified combustion apparatus as claimed in claim 1, the length that it is characterized in that tangential overfiren air port (2) is 120～200mm, is highly 50～100mm.
4. biomass fluid bed gasified combustion apparatus as claimed in claim 1, the height that it is characterized in that fluidized gasification chamber (13) is 2500～4500mm, and width is 600～1000mm, and length is 1300～1900mm.
5. biomass fluid bed gasified combustion apparatus as claimed in claim 1, it is characterized in that: the outlet internal diameter of venturi spray nozzle (6) is 400mm～1000mm.
6. biomass fluid bed gasified combustion apparatus as claimed in claim 1, it is characterized in that: fuel-feed pipe (7) is 1000mm～2500mm apart from fluidized gasification chamber (13) distance from bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201712752U CN203298291U (en) | 2013-03-29 | 2013-03-29 | Gasification combustor of biomass fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201712752U CN203298291U (en) | 2013-03-29 | 2013-03-29 | Gasification combustor of biomass fluidized bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203298291U true CN203298291U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201712752U Expired - Fee Related CN203298291U (en) | 2013-03-29 | 2013-03-29 | Gasification combustor of biomass fluidized bed |
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| Country | Link |
|---|---|
| CN (1) | CN203298291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180155A (en) * | 2015-10-23 | 2015-12-23 | 山东永能节能环保服务股份有限公司 | Novel efficient biomass combustor and combustion technology |
| CN108036313A (en) * | 2017-12-29 | 2018-05-15 | 广州优的新能源科技有限公司 | Biological fuel gas and natural gas dual burner |
-
2013
- 2013-03-29 CN CN2013201712752U patent/CN203298291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180155A (en) * | 2015-10-23 | 2015-12-23 | 山东永能节能环保服务股份有限公司 | Novel efficient biomass combustor and combustion technology |
| CN108036313A (en) * | 2017-12-29 | 2018-05-15 | 广州优的新能源科技有限公司 | Biological fuel gas and natural gas dual burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180209 Address after: 230088 Hefei hi tech Zone, Hefei, Anhui Province, Wangjiang West Road, Wantong Industrial Park, No. 2, 801-809 Patentee after: Hefei Deborah Power Co. Ltd. Address before: Yue Road in Shushan District of Hefei city in Anhui province 230088 No. 29 building 4 room 906 classic Villas Patentee before: Hefei Debo Bioenergy Science & Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20210329 |