CN101539304A - Biomass combustion special furnace - Google Patents
Biomass combustion special furnace Download PDFInfo
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- CN101539304A CN101539304A CN200910011387A CN200910011387A CN101539304A CN 101539304 A CN101539304 A CN 101539304A CN 200910011387 A CN200910011387 A CN 200910011387A CN 200910011387 A CN200910011387 A CN 200910011387A CN 101539304 A CN101539304 A CN 101539304A
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Abstract
The invention relates to a novel biomass combustion special furnace arch taking biomass materials as raw materials and belonging to the technical field of combustion furnaces. The novel biomass combustion special furnace arch has a structure that a furnace body is internally provided with a front arch, a middle arch and a rear arch, wherein a feed zone is formed between the front arch and a hopper, a volatilization oxidation reduction zone is formed between the front arch and the middle arch, and a main combustion zone is formed between the middle arch and the rear arch; the shape of the rear arch is a fold line structure, and the shape of the front section of the rear arch is a level straight line structure; the middle arch is positioned between the front arch and the rear arch and in a single row wall body structure, the upper end of the middle arch is connected with a water containing boiler, the middle of the lower end of the middle arch is provided with a combustion passage, and the middle section of the inner side of the middle arch is provided with a bump which is positioned at the outer side above the rear arch. The invention relates to the novel biomass combustion special furnace arch which is beneficial to the sufficient combustion of biomass fuel, has long flame flow path, high heat efficiency, energy saving, smoke elimination, good environmental protection property, high temperature raising speed of water inside a the water containing boiler, and the like.
Description
Technical field
The present invention relates to the technical field of combustion furnace, a kind of specifically is a kind of novel biomass combustion special furnace of raw material with the biological material.
Background technology
In today of energy scarcity, the utilization of biomass fuel has very wide prospect, vast rural area exists a large amount of biomass fuels, but owing to lack that match with biomass fuel, new and effective burner, therefore biomass fuel can't be utilized more widely, waste the living resources of a large amount of preciousnesses, so coal-burning boiler is transformed, develop a kind of novel biomass combustion special furnace, it is very necessary using with the burning of adapted biomass fuel.
Summary of the invention
The objective of the invention is characteristics, improve design at the chamber structure of bedroom formula boiler according to biomass fuel combustion; Develop a kind of novel biomass combustion special furnace that helps characteristics such as biomass fuel fully burns, flame long flow path, thermal efficiency height, energy-saving and smoke-removing, the feature of environmental protection is good, the interior water temperature lifting of boiler is fast.
Biomass combustion special furnace of the present invention, its structure are to have three road arch walls in the body of heater of boiler, are respectively face arch, hogging and rear arch.Has the machine driving fire grate in the lower end of three road arch walls; The hopper of the biomass fuel of can packing into is installed at the front end of face arch and machine driving fire grate.In the middle of face arch and hopper, form feed zone, between face arch and hogging, form volatilization redox district, in the middle of hogging and rear arch, form the primary zone; Stage casing in the hogging inboard has protuberance; Rear arch be shaped as the broken line structure, the leading portion of rear arch is a horizontal linear structure shape, back segment is a broken line structure shape.Hogging of the present invention is between face arch and rear arch, hogging is single wall body structure, and the upper end of hogging is connected with the boiler that is filled with water, and the lower end pars intermedia of hogging has burning gallery, the inboard stage casing of hogging has protuberance, and the protuberance of hogging is positioned at the outside of rear arch top.Of the present invention when boiler is 2 tons of boilers, furnace arch structure is that hogging lower end width is that 260-300 millimeter, hogging protuberance width are that 210-250 millimeter, hogging protuberance upper end and the distance between the boiler of being filled with water are that distance between 180-220 millimeter, hogging and rear arch is that 380-420 millimeter, hogging tab length are the 80-120 millimeter.Of the present invention when boiler is 4 tons of boilers furnace arch structure be that hogging lower end width is that 260-300 millimeter, hogging protuberance width are 210-250 millimeter, hogging protuberance upper end and to be filled with water between the boiler be 430-470 millimeter, hogging tab length 130-170 millimeter apart from the distance between 260-300 millimeter, hogging and rear arch.Of the present invention when boiler is 6 tons of boilers furnace arch structure be that hogging lower end width is that 260-300 millimeter, hogging protuberance width are that 210-250 millimeter, hogging protuberance upper end and the distance between the boiler of being filled with water are that distance between 300-340 millimeter, hogging and rear arch is that 510-550 millimeter, hogging tab length are the 210-250 millimeter.
The characteristics and the beneficial effect of biomass combustion special furnace of the present invention are as follows:
1, the structural design of the present invention feeding-passage that extended makes hopper be difficult for catching fire.
2, the planform of face arch of the present invention helps oven dry, destructive distillation and the igniting of fuel.
3, the planform of hogging of the present invention is designed to the tee T chimney arch, the temperature in volatilization district and primary zone is further raise help the burning of volatilizing and distinguishing, help carrying out repeatedly of redox reaction, the fuel gas of continuous generation and solid are burnt simultaneously.
4, rear arch design of the present invention is thicker, lower, then helps the full combustion of fuel of combustion zone and burning-out zone.
5, be the optimal zone that forms biomass fuel near the hogging of the present invention, this district has prolonged the length of flame flow process, thereby the heat of biomass fuel is given full play of, and reaches the purpose of energy-saving and smoke-removing, the raising thermal efficiency.
6, experiment test of the present invention shows, the discharge capacity of sulfur dioxide is every cubic metre below 40 milligrams, and the discharge standard of country is every cubic metre below 900 milligrams.
7, the maximum temperature in the burner hearth of the present invention can reach 1300 degree, and the thermal efficiency can reach more than 90%.
8, fuel range of the present invention is wide, all can be used as biomass fuel as branch, leaf, faggot, plant straw, incendivity rubbish etc.
Description of drawings
The present invention has two accompanying drawings, wherein:
Accompanying drawing 1 is the structural representation of biomass combustion special furnace.
Accompanying drawing 2 is A-A cutaway views of accompanying drawing 1.
Among the figure: 1 face arch, 2 hogging, 3 rear arches, 4 be filled with water distance, e-hogging tab length between distance, d-hogging and the rear arch of boiler, 5 machine driving fire grates, 6 bodies of heater, 7 hoppers, A-feed zone, B-volatilization redox district, C-primary zone, the useless grey discharge region of D-, a-hogging lower end length, b-hogging protuberance width, c-hogging protuberance and the boiler room that is filled with water.
The specific embodiment
Specific implementation method of the present invention is as shown in drawings: the present invention has three road arch walls in the body of heater 6 of boiler, be respectively face arch 1, hogging 2 and rear arch 3.Has machine driving fire grate 5 in the lower end of three road arch walls; The hopper 7 of the biomass fuel of can packing into is installed at the front end of face arch 1 and machine driving fire grate 5.In the middle of face arch 1 and hopper 7, form feed zone A, between face arch 1 and hogging 2, form volatilization redox district B, in the middle of hogging 2 and rear arch 3, form primary zone C.Stage casing in hogging 2 inboards has protuberance; Rear arch 3 be shaped as the broken line structure, the leading portion of rear arch 3 is a horizontal linear structure shape, back segment is a broken line structure shape.Useless ash after the burning is discharged by the outlet of useless grey discharge region D lower end.Hogging 2 is between face arch 1 and rear arch 3, hogging 2 is single wall body structure, and the upper end of hogging 2 is connected with the boiler that is filled with water, and the lower end pars intermedia of hogging 2 has burning gallery, the inboard stage casing of hogging 2 has protuberance, and the protuberance of hogging 2 is positioned at the outside of rear arch 3 tops.
Embodiments of the invention 1 are when boiler is 2 tons of boilers, furnace arch structure be hogging lower end width a be 280 millimeters, hogging protuberance width b be 230 millimeters, hogging protuberance b upper end and the distance c between the boiler 4 of being filled with water be 3 of 200 millimeters, hogging 2 and rear arches be that 400 millimeters, hogging tab length e are 100 millimeters apart from d.
Embodiments of the invention 2 are when boiler is 4 tons of boilers, furnace arch structure be hogging lower end width a be 280 millimeters, hogging protuberance width b be 230 millimeters, hogging protuberance b upper end and the distance c between the boiler 4 of being filled with water be 3 of 280 millimeters, hogging 2 and rear arches be that 450 millimeters, hogging tab length e are 150 millimeters apart from d.
Embodiments of the invention 3 are when boiler is 6 tons of boilers, furnace arch structure be hogging lower end width a be 280 millimeters, hogging protuberance width b be 230 millimeters, hogging protuberance (b) upper end and the distance c between the boiler 4 of being filled with water be 3 of 320 millimeters, hogging 2 and rear arches be that 530 millimeters, hogging tab length e are 230 millimeters apart from d.
Claims (5)
1, a kind of biomass combustion special furnace is characterized in that: have three road arch walls in the body of heater (6) of boiler, be respectively face arch (1), hogging (2) and rear arch (3), have machine driving fire grate (5) in the lower end of three road arch walls; The hopper (7) of the biomass fuel of can packing into is installed at the front end of face arch (1) and machine driving fire grate (5), in the middle of face arch (1) and hopper (7), form feed zone (A), between face arch (1) and hogging (2), form volatilization redox district (B), in the middle of hogging (2) and rear arch (3), form primary zone (C); The stage casing inboard in hogging (2) has protuberance; Rear arch (3) be shaped as the broken line structure, the leading portion of rear arch (3) is a horizontal linear structure shape, back segment is a broken line structure shape.
2, biomass combustion special furnace according to claim 1, it is characterized in that: hogging (2) is positioned between face arch (1) and the rear arch (3), hogging (2) is single wall body structure, the upper end of hogging (2) is connected with the boiler that is filled with water, the lower end pars intermedia of hogging (2) has burning gallery, the inboard stage casing of hogging (2) has protuberance, and the protuberance of hogging (2) is positioned at the outside of rear arch (3) top.
3, biomass combustion special furnace according to claim 1 is characterized in that: when boiler is 2 tons of boilers furnace arch structure be hogging lower end width (a) for 260-300 millimeter, hogging protuberance width (b) be that 380-420 millimeter, hogging tab length (e) they are the 80-120 millimeter for 210-250 millimeter, hogging protuberance (b) upper end and the distance (c) that is filled with water between the boiler 4 for the distance (d) between 180-220 millimeter, hogging (2) and rear arch (3).
4, biomass combustion special furnace according to claim 1 is characterized in that: furnace arch structure is that hogging lower end width (a) is 130-170 millimeter for the distance (d) between 260-300 millimeter, hogging (2) and rear arch (3) for 430-470 millimeter, hogging tab length (e) for the distance (c) between 210-250 millimeter, hogging protuberance (b) upper end and the boiler that is filled with water (4) for 260-300 millimeter, hogging protuberance width (b) when boiler is 4 tons of boilers.
5, biomass combustion special furnace according to claim 1 is characterized in that: when boiler is 6 tons of boilers furnace arch structure be hogging lower end width (a) for 260-300 millimeter, hogging protuberance width (b) be that 510-550 millimeter, hogging tab length (e) they are the 210-250 millimeter for 210-250 millimeter, hogging protuberance (b) upper end and the distance (c) that is filled with water between the boiler 4 for the distance (d) between 300-340 millimeter, hogging (2) and rear arch (3).
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CN200910011387XA CN101539304B (en) | 2009-04-29 | 2009-04-29 | Biomass combustion special furnace |
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CN200910011387XA CN101539304B (en) | 2009-04-29 | 2009-04-29 | Biomass combustion special furnace |
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CN101539304A true CN101539304A (en) | 2009-09-23 |
CN101539304B CN101539304B (en) | 2011-05-25 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103925611A (en) * | 2014-04-30 | 2014-07-16 | 江苏维德锅炉有限公司 | Seven-segment combustion furnace chamber structure choking nitrogen oxide generation |
CN108826667A (en) * | 2018-07-26 | 2018-11-16 | 大连精森新能源设备科技开发有限公司 | One kind is rapidly heated two tons of boilers of burning structure and biomass normal pressure hot water |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201401807Y (en) * | 2009-04-29 | 2010-02-10 | 许元凯 | Special furnace arch for biomass combustion |
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2009
- 2009-04-29 CN CN200910011387XA patent/CN101539304B/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103925611A (en) * | 2014-04-30 | 2014-07-16 | 江苏维德锅炉有限公司 | Seven-segment combustion furnace chamber structure choking nitrogen oxide generation |
CN108826667A (en) * | 2018-07-26 | 2018-11-16 | 大连精森新能源设备科技开发有限公司 | One kind is rapidly heated two tons of boilers of burning structure and biomass normal pressure hot water |
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CN101539304B (en) | 2011-05-25 |
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