CN103438456A - Biomass gas burner - Google Patents
Biomass gas burner Download PDFInfo
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- CN103438456A CN103438456A CN2013103679700A CN201310367970A CN103438456A CN 103438456 A CN103438456 A CN 103438456A CN 2013103679700 A CN2013103679700 A CN 2013103679700A CN 201310367970 A CN201310367970 A CN 201310367970A CN 103438456 A CN103438456 A CN 103438456A
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Abstract
The invention relates to a biomass gas burner. The biomass gas burner is characterized in that a long burning fire fuel gas channel, a long burning fire air channel, a main burning fuel gas channel and a main burning air channel are included; an ignition device penetrates through the long burning fire air channel and extends to the front end of the long burning fire fuel gas channel; the front portion of the long burning fire air channel, the front portion of the main burning fuel gas channel and the front portion of the main burning air channel are respectively provided with a whirlcone; the long burning fire air channel and the main burning air channel are respectively provided with a flow regulation device. According to the biomass gas burner, the long burning fire fuel gas channel and the long burning fire air channel are arranged so that a long burning fire standby function can be achieved, the consumption of liquefied gas or the consumption of natural gas is lowered, ignition burning waste is avoided, and boiler starting time is shortened; mixing of the air and biomass gas is reasonably controlled, the biomass gas can be made to be fully reacted with oxygen in a boiler, tar is burnt up, burning efficiency is improved, the tar can be prevented from being coked in the burner and the boiler, cleaning workloads are reduced, and meanwhile pollution to the environment can be reduced.
Description
Technical field
The present invention relates to a kind of burner, especially relate to a kind of biomass gas burner, for the burning of biogas.
Background technology
Biomass energy, as the fourth-largest energy in the world, accounts for 14% left and right of global energy total flow.The biomass energy wide material sources, volatile matter content is high, and content of ashes is low, and sulfur content is low, because growing environment absorbs CO
2amount is equivalent to the CO of burning and exhausting
2amount, so realize CO in the energy conversion process
2clean discharge capacity is similar to zero, is conducive to improve greenhouse effects.Research and development efficiently utilize the technology of biomass energy, save conventional fossil energy, and Optimization of Energy Structure, have very important significance.Biogas is the imflammable gas produced through gasification furnace with agricultural crop straw and forestry waste, is the approach of biomass energy to the heavy industrialization application development, and biomass gas burner just progressively is promoted utilization at present.
Characteristic due to biogas itself, biogas is difficult for direct electricity consumption spark ignition, general biomass gas burner all adopts liquefied gas or natural gas fired rifle to light at present, each burner that starts all needs to consume a certain amount of liquefied gas or natural gas, and all need through a series of security procedures such as valve leak detections before each the startup, waste time and energy, and economic benefit is not good.In addition, because the general tar content of biogas is higher, fully cracking is burnt insufficient in existing burner, causes efficiency of combustion to reduce, and easily causes environmental pollution; The resistance of burner channel is slightly large simultaneously, can cause the rapid accumulation of tar, easily cause tar to stop up burner, and cleaning is very difficult.
Summary of the invention
The applicant, for above-mentioned problem, is studied improvement, and a kind of biomass gas burner is provided, and has the ever-burning flame idle function, reduces the consumption of liquefied gas or natural gas, shortens the boiler startup time; Rationally control the mixing of air and biogas, biogas is fully reacted with oxygen in boiler, tar is burnouted, improve efficiency of combustion, prevent tar coking in burner and boiler, reduce the cleaning work amount, reduce environment simultaneously.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of biomass gas burner, comprise the ever-burning flame blast tube that is positioned at axle center, be placed in the outer ever-burning flame air duct of ever-burning flame blast tube, be placed in ever-burning flame air duct outer main combustion blast tube and outer field main air passage thereof; Igniter is passed described ever-burning flame air duct and is extended to the front end of described ever-burning flame blast tube, and the front portion of described ever-burning flame air duct, described main combustion blast tube and described main air passage is respectively equipped with cyclone; The front end of described main air passage is provided with horn mouth, and described ever-burning flame air duct and described main air passage are respectively equipped with flow regulator.
Further:
Described ever-burning flame blast tube is the first pipeline that is arranged on axle center, second pipe, the 3rd pipeline and shell successively coaxial package outside described the first pipeline, form described ever-burning flame air duct between described the first pipeline and described second pipe, form described main combustion blast tube between described second pipe and described the 3rd pipeline, form described main air passage between described the 3rd pipeline and described shell, described the first pipeline, second pipe, on the outer wall of the 3rd pipeline front portion, swirler blades is set, described the first pipeline, in the described shell of second pipe and the 3rd pipeline front end, described horn mouth is set, air intake is arranged on a side of described shell, be provided with dividing plate in described air intake, described dividing plate is divided into main air entrance and ever-burning flame air intake by described air intake, described main air entrance and ever-burning flame air intake are communicated with respectively described main air passage and described ever-burning flame air duct, in described main air entrance and ever-burning flame air intake, are respectively equipped with flow regulator.
The angle of inclination of the swirler blades in described main air passage is between 40 ° ~ 55 °, the angle of inclination of the swirler blades in described main combustion blast tube is between 20 ° ~ 25 °, and the angle of inclination of the swirler blades in described ever-burning flame air duct is between 40 ° ~ 55 °.
The angle of inclination of the swirler blades in described main air passage is 45 °, and the angle of inclination of the swirler blades in described main combustion blast tube is 20 °, and the angle of inclination of the swirler blades in described ever-burning flame air duct is 45 °.
Be provided with cover plate between the rear end of described second pipe and described the 3rd pipeline, handle is connected on described cover plate.
The front portion of described shell is provided with mounting flange.
Described flow regulator is rotating valve plate.
Technique effect of the present invention is:
A kind of biomass gas burner disclosed by the invention, arrange ever-burning flame blast tube and ever-burning flame air duct, has the ever-burning flame idle function, reduces the consumption of liquefied gas or natural gas, avoids the waste of igniter fuel, shortens the boiler startup time; Rationally control the mixing of air and biogas, biogas is fully reacted with oxygen in boiler, tar is burnouted, improve efficiency of combustion, prevent tar coking in burner and boiler, reduce the cleaning work amount, reduce environment simultaneously.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The partial structurtes schematic diagram that Fig. 2 is the 3rd pipeline front portion.
The partial structurtes schematic diagram that Fig. 3 is the second pipe front portion.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
As shown in Fig. 1 ~ 3, the present invention includes the ever-burning flame blast tube 100 that is positioned at axle center, be placed in the outer ever-burning flame air duct 200 of ever-burning flame blast tube 100, be placed in ever-burning flame air duct outer main combustion blast tube 300 and outer field main air passage 400 thereof, in the present embodiment, ever-burning flame blast tube 100 is for being arranged on first pipeline 1 in axle center, second pipe 2, the 3rd pipeline 3 and shell 4 successively coaxial package outside the first pipeline 1, form ever-burning flame air duct 200 between the first pipeline 1 and second pipe 2, form main combustion blast tube 300 between second pipe 2 and the 3rd pipeline 3, form main air passage 400 between the 3rd pipeline 3 and shell 4.Ever-burning flame fuel gas inlet 17 is arranged on a side of shell 4, is communicated with ever-burning flame blast tube 100; Fuel gas inlet 18 is arranged on a side of shell 4, is communicated with main combustion blast tube 300.The front portion of shell 4 is provided with mounting flange 10, and flange 10 is for the integral installation of burner.Igniter 8 is passed ever-burning flame air duct 200 and is extended to the front end of ever-burning flame blast tube 100, and the rear portion of igniter 8 is provided with liquefied gas or gas inlet 801, for liquefied gas or the natural gas igniting ever-burning flame of input.On the outer wall of the first pipeline 1 front portion, swirler blades 7 is set, swirler blades 6(is set as Fig. 1,3 on the outer wall of second pipe 2 front portions), swirler blades 5(is set as Fig. 1,2 on the outer wall of the 3rd pipeline 3 front portions), swirler blades 7 is as the cyclone of ever-burning flame air duct 200 front portions, swirler blades 6 is as the cyclone of main combustion blast tube 300 front portions, and swirler blades 5 is as the cyclone of main air passage 400.Swirler blades 7 on the outer wall of common the first pipeline 1 front portion and the angle of inclination C between axle center are between 40 ° ~ 55 °, swirler blades 6 on the outer wall of second pipe 2 front portions and the angle of inclination B between axle center are between 20 ° ~ 25 °, swirler blades 5 on the outer wall of the 3rd pipeline 3 front portions and the angle of inclination A between axle center are between 40 ° ~ 55 °, in the present embodiment, swirler blades 7 and the angle of inclination C between axle center on the outer wall of the first pipeline 1 front portion are 45 °, swirler blades 6 and the angle of inclination B between axle center on the outer wall of second pipe 2 front portions are 20 °, swirler blades 5 and the angle of inclination A between axle center on the outer wall of the 3rd pipeline 3 front portions are 45 °, in addition, swirler blades 5, swirler blades 6, swirler blades 7 is respectively equipped with changeover portion blade 19, can make air-flow more steady.The interior horn mouth 9 that arranges of the shell 4 of the first pipeline 1, second pipe 2 and the 3rd pipeline 3 front ends; In the present invention, do not establish cyclone in ever-burning flame blast tube 100, the cyclone resistance of main combustion blast tube 300 is little, swirl strength is low, effectively reduce the accumulation of tar in passage, simultaneously, cyclone swirl strength in ever-burning flame air duct 200 and main air passage 400 is large, combustion air under the effect of swirl-flow devices with horn mouth 9 actings in conjunction, be formed centrally high temperature recirculation zone in burner, air is fully mixed with biogas, be conducive to the abundant burning of coke tar particles, by tar also abundant after-flame.Air intake 500 is arranged on a side of shell 4, be provided with dividing plate 16 in air intake 500, dividing plate 16 is divided into main air entrance 13 and ever-burning flame air intake 12 by air intake 500, main air entrance 13 is communicated with main air passage 400, ever-burning flame air intake 12 is communicated with ever-burning flame air duct 200, be respectively equipped with flow regulator 11 in main air entrance 13 and ever-burning flame air intake 12, in the present embodiment, flow regulator 11 is rotating valve plate, can enter the air mass flow of main air passage 400 and ever-burning flame air duct 200 with adjusting by outside handle rotational valve plate.Be provided with cover plate 14 between the rear end of second pipe 2 and the 3rd pipeline 3, handle 15 is connected on cover plate 14, due to the passage between second pipe 2 and the 3rd pipeline 3 as main combustion blast tube 300, after long-term the use, the tar that biogas remains in wherein can result in blockage to passage, after mounting knob 15, can easily second pipe 2 be split out and be cleared up together with the 3rd pipeline 3.
When practical operation, a small amount of biogas enters ever-burning flame blast tube 100 by ever-burning flame fuel gas inlet 17, the air matched with it enters ever-burning flame air duct 200 and changes and flow to through the cyclone of ever-burning flame air duct 200 interior forward end from ever-burning flame air intake 12, both mix at ever-burning flame blast tube 100, ever-burning flame air duct 200 ports of export, form the ever-burning flame torch.Main biomass-burning gas enters main combustion blast tube 300 by fuel gas inlet 18 and changes and flow to through the cyclone of main combustion blast tube 300 interior forward end, the air matched with it enters main air passage 400 and changes and flow to through the cyclone of main air passage 400 interior forward end from main air entrance 13, both mix strongly at main combustion blast tube 300, main air passage 400 ports of export, form Cauldron.The adjusting of the biomass gas burner of the present embodiment design is than being 1:4, at the burner minimum output power, is rated output power 1/4.Under the minimum output power operating mode, the muzzle velocity of biogas is greater than biogas burning fire flame propagation velocity, effectively prevents the generation of underload tempering phenomenon.Igniter 8 centers in ever-burning flame air duct 200 are provided with ignitor, the electric spark that utilizes electrion to produce is lighted liquefied gas or natural gas, after liquefied gas or flaring are successfully set up, pass into biogas in ever-burning flame blast tube 100, biogas is with after air mixes, and by liquefied gas or flaring, lighted and smooth combustion forms the ever-burning flame torch.During boiler short time blowing out, only need the main biomass-burning gas that cuts off main combustion blast tube 300 to supply with, so that the quick startup of boiler.While shutting down in the boiler short time, there is little load flame on duty at the burner center, when boiler starts again; need not re-start a series of security procedures such as purging, the leak detection of valve group; directly open main valve and get final product, avoided the waste of igniter fuel, shortened the boiler startup time.
The burner of biogas burning of the present invention, taken into full account that the general calorific value of biogas is on the low side, density is large, be difficult for self lighting, flame propagation velocity is slow, the tar content high, rationalization's flow field structure, rationally control the mixing of air and biogas, guarantee biogas can completing combustion, flame length control is within rational scope, can prevent the underload tempering again, avoid tar to stop up, thereby guarantee the stability and safety operation of boiler simultaneously.
Claims (7)
1. a biomass gas burner is characterized in that: comprise the ever-burning flame blast tube that is positioned at axle center, be placed in the outer ever-burning flame air duct of ever-burning flame blast tube, be placed in ever-burning flame air duct outer main combustion blast tube and outer field main air passage thereof; Igniter is passed described ever-burning flame air duct and is extended to the front end of described ever-burning flame blast tube, and the front portion of described ever-burning flame air duct, described main combustion blast tube and described main air passage is respectively equipped with cyclone; The front end of described main air passage is provided with horn mouth, and described ever-burning flame air duct and described main air passage are respectively equipped with flow regulator.
2. according to biomass gas burner claimed in claim 1, it is characterized in that: described ever-burning flame blast tube is the first pipeline that is arranged on axle center, second pipe, the 3rd pipeline and shell successively coaxial package outside described the first pipeline, form described ever-burning flame air duct between described the first pipeline and described second pipe, form described main combustion blast tube between described second pipe and described the 3rd pipeline, form described main air passage between described the 3rd pipeline and described shell, described the first pipeline, second pipe, on the outer wall of the 3rd pipeline front portion, swirler blades is set, described the first pipeline, in the described shell of second pipe and the 3rd pipeline front end, described horn mouth is set, air intake is arranged on a side of described shell, be provided with dividing plate in described air intake, described dividing plate is divided into main air entrance and ever-burning flame air intake by described air intake, described main air entrance and ever-burning flame air intake are communicated with respectively described main air passage and described ever-burning flame air duct, in described main air entrance and ever-burning flame air intake, are respectively equipped with flow regulator.
3. according to biomass gas burner claimed in claim 2, it is characterized in that: the angle of inclination of the swirler blades in described main air passage is between 40 ° ~ 55 °, the angle of inclination of the swirler blades in described main combustion blast tube is between 20 ° ~ 25 °, and the angle of inclination of the swirler blades in described ever-burning flame air duct is between 40 ° ~ 55 °.
4. according to biomass gas burner claimed in claim 3, it is characterized in that: the angle of inclination of the swirler blades in described main air passage is 45 °, the angle of inclination of the swirler blades in described main combustion blast tube is 20 °, and the angle of inclination of the swirler blades in described ever-burning flame air duct is 45 °.
5. according to biomass gas burner claimed in claim 2, it is characterized in that: be provided with cover plate between the rear end of described second pipe and described the 3rd pipeline, handle is connected on described cover plate.
6. according to biomass gas burner claimed in claim 2, it is characterized in that: the front portion of described shell is provided with mounting flange.
7. according to the described biomass gas burner of claim 1 or 2, it is characterized in that: described flow regulator is rotating valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367970.0A CN103438456B (en) | 2013-08-22 | 2013-08-22 | Biomass gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367970.0A CN103438456B (en) | 2013-08-22 | 2013-08-22 | Biomass gas burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438456A true CN103438456A (en) | 2013-12-11 |
| CN103438456B CN103438456B (en) | 2015-07-22 |
Family
ID=49692155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310367970.0A Active CN103438456B (en) | 2013-08-22 | 2013-08-22 | Biomass gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103438456B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836627A (en) * | 2014-03-26 | 2014-06-04 | 任成勇 | Blast furnace gas burner without auxiliary fuel ignition |
| CN105042593A (en) * | 2015-08-27 | 2015-11-11 | 武汉奥杰科技股份有限公司 | Gas combustion system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1196892A (en) * | 1969-01-01 | 1970-07-01 | Nippon Kokan Kk | Burner Nozzle. |
| DE3021924A1 (en) * | 1980-06-11 | 1981-12-24 | Buchtal Gmbh, 8472 Schwarzenfeld | Diffusion burner, esp. for tunnel kilns in ceramics industry - uses air of combustion at low pressure, reducing size and cost of air compressors |
| CN2615511Y (en) * | 2003-04-28 | 2004-05-12 | 南京创能电力科技开发有限公司 | Low-heat valve burner |
| CN202927839U (en) * | 2012-07-04 | 2013-05-08 | 江苏中圣园科技股份有限公司 | Gas nozzle |
| CN203478247U (en) * | 2013-08-22 | 2014-03-12 | 无锡龙泉燃烧器制造有限公司 | Biomass gas combustor |
-
2013
- 2013-08-22 CN CN201310367970.0A patent/CN103438456B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1196892A (en) * | 1969-01-01 | 1970-07-01 | Nippon Kokan Kk | Burner Nozzle. |
| DE3021924A1 (en) * | 1980-06-11 | 1981-12-24 | Buchtal Gmbh, 8472 Schwarzenfeld | Diffusion burner, esp. for tunnel kilns in ceramics industry - uses air of combustion at low pressure, reducing size and cost of air compressors |
| CN2615511Y (en) * | 2003-04-28 | 2004-05-12 | 南京创能电力科技开发有限公司 | Low-heat valve burner |
| CN202927839U (en) * | 2012-07-04 | 2013-05-08 | 江苏中圣园科技股份有限公司 | Gas nozzle |
| CN203478247U (en) * | 2013-08-22 | 2014-03-12 | 无锡龙泉燃烧器制造有限公司 | Biomass gas combustor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836627A (en) * | 2014-03-26 | 2014-06-04 | 任成勇 | Blast furnace gas burner without auxiliary fuel ignition |
| CN103836627B (en) * | 2014-03-26 | 2015-11-18 | 任成勇 | Without the blast furnace gas combustion machine of auxiliary fuel igniting |
| CN105042593A (en) * | 2015-08-27 | 2015-11-11 | 武汉奥杰科技股份有限公司 | Gas combustion system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103438456B (en) | 2015-07-22 |
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Effective date of registration: 20230315 Address after: 314408 1036 Wenhai North Road, Chang'an Town, Haining City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Tefu Development Co.,Ltd. Address before: No. 10-8, Zone B, Jinshan North Private Industrial Park, Beitang District, Wuxi City, Jiangsu Province, 214037 Patentee before: WUXI LONGQUAN BURNER MANUFACTURE Co.,Ltd. |