CN209524500U - A kind of three-stage oxygenation structure of biomass burner - Google Patents
A kind of three-stage oxygenation structure of biomass burner Download PDFInfo
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- CN209524500U CN209524500U CN201920014653.3U CN201920014653U CN209524500U CN 209524500 U CN209524500 U CN 209524500U CN 201920014653 U CN201920014653 U CN 201920014653U CN 209524500 U CN209524500 U CN 209524500U
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- combustion chamber
- air
- chuck layer
- tertiary air
- secondary air
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- 239000002028 Biomass Substances 0.000 title claims abstract description 25
- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims abstract description 40
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 230000008676 import Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000000567 combustion gas Substances 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000007921 spray Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 239000003818 cinder Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- -1 vapour Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a kind of three-stage oxygenation structures of biomass burner, the bottom of combustion chamber is evenly equipped with blast cap, the blast cap is connected by pipeline with cloth wind chamber, the lower end of the cloth wind chamber is connected with primary air piping, the input end of the primary air piping is pierced by from the side wall of ash bucket, the ash bucket is fixed on the bottom of combustion chamber, the side of the combustion chamber upper end is connected with the exit passageway of horizontal direction, the combustion chamber, tertiary air chuck layer is fixed on the outside of exit passageway, the exit of the tertiary air chuck layer is located at the end of exit passageway, the exit of the tertiary air chuck layer is equipped with tertiary air swirl vane, Secondary Air jet pipe is evenly equipped on side wall in the middle part of the combustion chamber, the Secondary Air ring set of annular is fixed on the outside of tertiary air chuck layer lower part, the Secondary Air ring set and Secondary Air jet pipe Input end communicates.The utility model has the advantages that stability is good, clean and environmental protection.
Description
Technical field
The utility model belongs to biomass combustion engineering device technique field, and in particular to a kind of three-stage of biomass burner
Oxygenation structure.
Background technique
Industrial Boiler, the kiln of current fire coal pollute larger, welding, have caused a series of society and have asked
Topic.Country, which calls, reduces pollution, reduces discharge, reduces and burns coal, advocates to fire the low pollution fuels such as vapour, biomass substitution coal.It is raw
Sulfur-bearing is lower in substance, and discharge and pollution are few, and cost is relatively low.
Biomass mainly using directly burning, i.e., is direct plungeed into coal-burning boiler and is arranged in chain by present biomass combustion mode
Upper burning, substitution are coal-fired.For boiler in biomass burning raw material, the ignition temperature above fire grate is lower, and CO contains in boiler exhaust gas
Amount is high, and ash content carbon is high, and efficiency of combustion is low, and due to burning tissues difficulty, discharged nitrous oxides concentration is high in boiler exhaust gas.It is existing
Also have in some technologies through burner combustion biomass fuel, but the unreasonable of its air distribution structure design leads to nitrogen oxides
It is difficult to control, combustion stability is poor, and efficiency of combustion is lower.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, three sections of a kind of biomass burner are provided
Formula oxygenation structure.
A kind of three-stage oxygenation structure of biomass burner, including combustion chamber, blast cap, Secondary Air jet pipe, tertiary air rotation
Blade is flowed, the bottom of combustion chamber is evenly equipped with blast cap, and the blast cap is connected by pipeline with cloth wind chamber, under the cloth wind chamber
End is connected with primary air piping, and the input end of the primary air piping is pierced by from the side wall of ash bucket, and the ash bucket is fixed on burning
The side of the bottom of room, the combustion chamber upper end is connected with the exit passageway of horizontal direction, the combustion chamber, exit passageway
Outside is fixed with tertiary air chuck layer, and the exit of the tertiary air chuck layer is located at the end of exit passageway, the tertiary air
The exit of chuck layer is equipped with tertiary air swirl vane, and Secondary Air jet pipe, institute are evenly equipped on the side wall in the middle part of the combustion chamber
State the Secondary Air ring set that annular is fixed on the outside of tertiary air chuck layer lower part, the Secondary Air ring set and Secondary Air jet pipe into
Mouth end communicates.
Preferably, the Secondary Air ring set, tertiary air chuck layer, primary air piping are connected by pipeline with the outlet of air blower
It connects.
Preferably, the lower part outlet of the ash bucket is connected with the import of spiral ash hoist, and the spiral ash hoist goes out
Discharger is installed on mouth pipe.
Preferably, the bottom of the combustion chamber is fixed with feed pipe.
Preferably, baffle plate is fixed in the tertiary air chuck layer.
Compared with prior art, the utility model has the beneficial effects that
When the utility model is used, biomass material is fed in combustion chamber by screw conveyor by feed pipe, once
Wind is sprayed into from blast cap, and First air is used for the gasification of biomass material, biomass is converted to combustion gas and powdered carbon, Secondary Air passes through two
Secondary wind jet pipe sprays into, and Secondary Air is used to adjust the temperature of combustion gas, that is, being passed through part Secondary Air can be improved combustion gas in exit passageway
Temperature, avoid tar precipitation cause exit passageway to block, by a Secondary Air be segmented be incorporated, can be avoided temperature Centralized and make
At combustion chamber slagging, tertiary air initially enters tertiary air chuck layer and is preheated, and the tertiary air after preheating is from tertiary air eddy flow leaf
Piece sprays, and sprays into boiler or kiln hearth combustion together with combustion gas, powdered carbon three times, realizes the thorough burning cinder of combustion gas and powdered carbon.It is logical
Cross setting First air, Secondary Air can be avoided slagging and tar block the problem of, thus improve system operation stability, simultaneously
It can be avoided part and generate high temperature, be able to suppress the generation of nitrogen oxides, have the advantages that clean and environmental protection；Tertiary air is after waste heat
Hot wind, can be improved the stability and efficiency of combustion of burning.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the three-stage oxygenation structure of biomass burner of the utility model.
Fig. 2 is the structural schematic diagram of baffle plate in the utility model.
In figure, 1, feed pipe, 2, combustion chamber, 3, tertiary air chuck layer, 4, baffle plate, 5, Secondary Air ring set, 6, Secondary Air
Jet pipe, 7, blast cap, 8, cloth wind chamber, 9, ash bucket, 10, spiral ash hoist, 11, primary air piping, 12, exit passageway, 13, tertiary air rotation
Flow blade, 14, air blower, 15, discharger.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1, Fig. 2, a kind of three-stage oxygenation structure of biomass burner, including combustion chamber 2, blast cap 7, Secondary Air
Jet pipe 6, tertiary air swirl vane 13,2 bottom of combustion chamber are evenly equipped with blast cap 7, and the blast cap 7 passes through pipeline and cloth wind chamber 8
It is connected, the lower end of the cloth wind chamber 8 is connected with primary air piping 11, and the input end of the primary air piping 11 is from the side of ash bucket 9
It is pierced by wall, the ash bucket 9 is fixed on the bottom of combustion chamber 2, and the side of 2 upper end of combustion chamber and the outlet of horizontal direction are logical
Road 12 is connected, the combustion chamber 2, exit passageway 12 outside be fixed with tertiary air chuck layer 3, the tertiary air chuck layer 3
Exit be located at the end of exit passageway 12, the exit of the tertiary air chuck layer 3 is equipped with tertiary air swirl vane 13,
It is evenly equipped with Secondary Air jet pipe 6 on the side wall at 2 middle part of combustion chamber, is fixed with ring on the outside of 3 lower part of tertiary air chuck layer
The Secondary Air ring set 5 of shape, the Secondary Air ring set 5 are communicated with the input end of Secondary Air jet pipe 6, the Secondary Air ring set 5, three times
Wind chuck layer 3, primary air piping 11 are connected by pipeline with the outlet of air blower 14, the lower part outlet and spiral of the ash bucket 9
The import of ash hoist 10 is connected, and discharger 15, the bottom of the combustion chamber 2 are equipped on the outlet of the spiral ash hoist 10
Portion is fixed with feed pipe 1, is fixed with baffle plate 4 in the tertiary air chuck layer 3.
The working principle of the utility model is:
When the utility model is used, biomass material is fed in combustion chamber 2 by screw conveyor by feed pipe 1, one
Secondary wind is sprayed into from blast cap 7, and First air is used for the gasification of biomass material, biomass is converted to combustion gas and powdered carbon, Secondary Air is logical
The penetrating of Secondary Air jet pipe 6 is crossed, Secondary Air is used to adjust the temperature of combustion gas, that is, being passed through part Secondary Air can be improved exit passageway 12
The temperature of interior combustion gas avoids tar precipitation that exit passageway 12 is caused to block, is segmented and is incorporated by a Secondary Air, can be avoided temperature
It concentrates and causes 2 slagging of combustion chamber, tertiary air initially enters tertiary air chuck layer 3 and preheated, and the tertiary air after preheating is from three
Secondary wind swirl vane 13 sprays, and sprays into boiler or kiln hearth combustion together with combustion gas, powdered carbon three times, realizes combustion gas and powdered carbon
Thoroughly burn cinder.The problem of can be avoided slagging and tar blocking by setting First air, Secondary Air, to improve system operation
Stability, while can be avoided part and generating high temperature, it is able to suppress the generation of nitrogen oxides, has the advantages that clean and environmental protection；Three
Secondary wind is the hot wind after waste heat, can be improved the stability and efficiency of combustion of burning.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (5)
1. a kind of three-stage oxygenation structure of biomass burner, including combustion chamber (2), blast cap (7), Secondary Air jet pipe (6), three
Secondary wind swirl vane (13), it is characterised in that: combustion chamber (2) bottom is evenly equipped with blast cap (7), and the blast cap (7) passes through pipe
Road is connected with cloth wind chamber (8), and the lower end of the cloth wind chamber (8) is connected with primary air piping (11), the primary air piping (11)
Input end be pierced by from the side wall of ash bucket (9), the ash bucket (9) is fixed on the bottom of combustion chamber (2), the combustion chamber (2)
The side of upper end is connected with the exit passageway (12) of horizontal direction, the combustion chamber (2), exit passageway (12) outside fix
Have tertiary air chuck layer (3), the exit of the tertiary air chuck layer (3) is located at the end of exit passageway (12), it is described three times
The exit of wind chuck layer (3) is equipped with tertiary air swirl vane (13), is evenly equipped with two on the side wall in the middle part of the combustion chamber (2)
Secondary wind jet pipe (6) is fixed with the Secondary Air ring set (5) of annular, the Secondary Air on the outside of tertiary air chuck layer (3) lower part
Ring set (5) is communicated with the input end of Secondary Air jet pipe (6).
2. a kind of three-stage oxygenation structure of biomass burner as described in claim 1, it is characterised in that: the Secondary Air
Ring set (5), tertiary air chuck layer (3), primary air piping (11) are connected by pipeline with the outlet of air blower (14).
3. a kind of three-stage oxygenation structure of biomass burner as described in claim 1, it is characterised in that: the ash bucket
(9) lower part outlet is connected with the import of spiral ash hoist (10), is equipped on the outlet of the spiral ash hoist (10)
Discharger (15).
4. a kind of three-stage oxygenation structure of biomass burner as described in claim 1, it is characterised in that: the combustion chamber
(2) bottom is fixed with feed pipe (1).
5. a kind of three-stage oxygenation structure of biomass burner as described in claim 1, it is characterised in that: the tertiary air
Baffle plate (4) are fixed in chuck layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920014653.3U CN209524500U (en) | 2019-01-05 | 2019-01-05 | A kind of three-stage oxygenation structure of biomass burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920014653.3U CN209524500U (en) | 2019-01-05 | 2019-01-05 | A kind of three-stage oxygenation structure of biomass burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209524500U true CN209524500U (en) | 2019-10-22 |
Family
ID=68229678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920014653.3U Active CN209524500U (en) | 2019-01-05 | 2019-01-05 | A kind of three-stage oxygenation structure of biomass burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209524500U (en) |
-
2019
- 2019-01-05 CN CN201920014653.3U patent/CN209524500U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 341300 floor 3, office building 4, Zhangyuan area, Chongyi County Industrial Park, Ganzhou City, Jiangxi Province Patentee after: Jiangxi Jingda Biological New Energy Co.,Ltd. Address before: 341300 Heng Shui Zhen Zhu Keng Kou Cun Jing Shui Hu, Chongyi County, Ganzhou City, Jiangxi Province Patentee before: GANZHOU JINGDA BIOLOGICAL NEW ENERGY CO.,LTD. |
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| CP03 | Change of name, title or address |