CN102853427B - Biogas burner - Google Patents
Biogas burner Download PDFInfo
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- CN102853427B CN102853427B CN201210335089.8A CN201210335089A CN102853427B CN 102853427 B CN102853427 B CN 102853427B CN 201210335089 A CN201210335089 A CN 201210335089A CN 102853427 B CN102853427 B CN 102853427B
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- section
- mixing section
- small
- biogas
- bore
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- 238000002156 mixing Methods 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 16
- 238000000855 fermentation Methods 0.000 abstract description 9
- 230000004151 fermentation Effects 0.000 abstract description 8
- 238000002485 combustion reaction Methods 0.000 description 11
- 239000000567 combustion gas Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005496 tempering Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Gas Burners (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention relates to a kind of biogas burner, comprising: injector and nozzle, is characterized in that, described injector comprises introducing section and the mixing section of coaxial setting, and the bore of mixing section is greater than introducing section, to form gap, introduces air and mixes; The mouth of described nozzle is provided with the passage of some small-bores.Some small-bores of described mouth are arranged in plum blossom-shaped, and are communicated with setting.Or some small-bores of described mouth are, and circular separation is arranged; Described circular small-bore multilayer is arranged, and internal layer aperture is little, and outer aperture is large.The entrance point of described introducing section is evenly provided with a circle aperture along sidewall, and the upper port of described mixing section is evenly provided with a circle aperture along sidewall.Swirling flow sheet is provided with in described mixing section or introducing section.The upper port of described mixing section is provided with latticed flame holder.This biogas burner, solve at present in fermentation methane processing and utilizing system biogas safe, efficiently, the problems such as contamination-freely burning.
Description
The divisional application that the application is the applying date is on December 29th, 2009, application number is 200910265344.4, denomination of invention is " biogas burner " patent application.
Technical field
The present invention relates to the structure of burner, particularly a kind of biogas burner.
Background technology
Fermentation methane is the gas utilizing such as house refuse, ight soil, mud, sewage the like waste to produce after carrying out anaerobic fermentation, and it forms primarily of methane, carbon dioxide, steam and lot of trace impurity.
The Collection utilization of fermentation methane is more and more subject to people's attention, and due to these gases be all come from discarded object fermentation, belong to regenerative resource, it utilizes and dissolves and not only can substitute non-renewable fossil fuel, and can reduce the discharge of greenhouse gases.
But, in fermentation methane processing and utilizing system, due to aerogenesis and not mating with gas, often needing, burning facility is set and burn concentrated for unnecessary gas.In addition, because the sewage often having pollution concentration high in the middle of said debris processing procedure is discharged, become " percolate " in refuse landfill, utilize the gas combustion of discarded object fermentation generation to process the tupe that percolate is a kind of newly " treatment of wastes with processes of wastes against one another ".Namely biogas burner is carry out on this basis researching and developing.Traditional biogas utilization, generally as domestic gas, its corresponding burner--kitchen range--has become comparatively common combustion apparatus, but the burner a large amount of gas being burned or needs in percolate burning evaporation technology, also there is no ripe application at present.In addition, existing burner is in order to ensure the safety of burning, and generally all adopt diffusion type to be main burner, there will not be the peril of " tempering " class like this, but Combustion System is more difficult, in combustion product, the content of pollutant is also higher.
Summary of the invention
The object of the invention is to, for solve at present in fermentation methane processing and utilizing system biogas safe, efficiently, the problems such as contamination-freely burning, thus provide a kind of biogas burner.
For achieving the above object, a kind of biogas burner of the present invention, comprising: injector and nozzle, it is characterized in that, described injector comprises introducing section and the mixing section of coaxial setting, and the bore of mixing section is greater than introducing section, to form gap, introduce air and mix;
The mouth of described nozzle is provided with the passage of some small-bores.Solved the danger of tempering by the design of local aperture, and ensure that overall burnt area is constant, the bore design of the single aperture of air-flow meets the requirement of quenching distance.
Another kind as technique scheme improves, and some small-bores of described mouth are arranged in plum blossom-shaped, and are communicated with setting.Or some small-bores of described mouth are, and circular separation is arranged; Described circular small-bore multilayer is arranged, and internal layer aperture is little, and outer aperture is large.
As the another important improvement of technique scheme, the entrance point of described introducing section is evenly provided with a circle aperture along sidewall, like this, air can by injection enter burner and and combustion gas mixing, not only can reduce the flow velocity of combustion gas, and can to enter to burn about 40% of required air quantity by injection, improve burning and exhausting.These apertures determine the air capacity that injection enters, namely the size of primary air ratio, and it will directly affect the quality of combustion process and discharge.Further, the upper port of described mixing section is evenly provided with a circle aperture along sidewall.Like this, one empty combustion mixing can be made more abundant; Two is reduce the temperature of head, low to the requirement of material, can service life of extension device; Three is the effects with steady flame.The entrance point of described introducing section is set to the structure of centre bore and a circle aperture.Centre bore is the passage of combustion gas, and not only structure is simple in the setting of a circle aperture, and is the nearest local perforate of the most high speed of distance combustion gas, can air that effectively injection is enough, reduces the loss.
As another improvement of technique scheme, in described mixing section or introducing section, be provided with swirling flow sheet.Described swirling flow sheet is two, in half elliptic, and in circle centre position arranged crosswise.The projection of these two swirling flow sheets on introducing section cross section is rounded, and when air-flow passes through, swirling flow sheet rises and revolves to strengthen mixing.
As another improvement of technique scheme, the upper port of described mixing section is provided with latticed flame holder, and the stable operation range of burner has the structure coming from this part to a great extent.When flow is large, flame stabilization, burning work duty ratio can reach 1 ︰ 20 ~ 30, and generally, is only 1 ︰ about 10.Preferred further, described latticed flame holder is the isolation mesh screen roughly arranged in well shape, and the height of this isolation mesh screen is 30mm.The form of latticed flame holder has multiple, and the stable operation range of burner has the structure coming from this part to a great extent.
The invention has the advantages that, the version of the nozzle of design of the present invention, the aperture of blender bottom and latticed flame holder, for biogas provides a kind of burner, solve at present in fermentation methane processing and utilizing system biogas safe, efficiently, the problems such as contamination-freely burning.During biogas combustion utilizes, safe combustion is the problem that first will solve, because bionethanation system aerogenesis speed is uneven, the fluctuation of tolerance alters a great deal, but also gas leakage may be produced make air be mixed into system, if there is tempering to occur to develop into imponderable accident, the form of its nozzle has taken into full account the combustion characteristics of methane, effectively can prevent the generation of tempering; The aperture of blender bottom mainly utilizes the negative pressure of the popular one-tenth of high-speed fuel gas to carry out injection air, and according to calculating, the air of stoichiometric ratio 0.4 ~ 0.6 can be made to introduce thus, with combustion gas mixing, the discharge amount of pollution of the gas combustion product of premixed will be less; Latticed flame holder effectively can improve the stable operation range of burner, to adapt to the significantly change of biogas generation.
Accompanying drawing explanation
Fig. 1 is that the structure of the nozzle of biogas burner of the present invention partly cuts open schematic diagram;
Fig. 2 is the structural representation of the nozzle head of Fig. 1;
Fig. 3 is that another structure of the nozzle of biogas burner of the present invention partly cuts open schematic diagram;
Fig. 4 is the structural representation of the nozzle head of Fig. 3;
Fig. 5 is the structural representation of the injector of biogas burner of the present invention;
Fig. 6 is another structural representation of the injector of biogas burner of the present invention;
Fig. 7 is the structural representation of the swirling flow sheet in the injector of biogas burner of the present invention;
Fig. 8 is the structural representation of the head of the mixing section of the injector of biogas burner of the present invention;
Fig. 9 is another structural representation of the head of the mixing section of the injector of biogas burner of the present invention;
Figure 10 is the structural representation of the entrance point of the introducing section of the injector of biogas burner of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, structure of the present invention is described in more detail.
A kind of biogas burner of the present invention, comprising: injector and nozzle; As shown in Figure 1, the mouth of described nozzle is provided with the passage of some small-bores, and nozzle chamber is straight tube shape.Some small-bores of described mouth are arranged in plum blossom-shaped, and are communicated with setting, and as shown in Figure 2, nozzle chamber is tapered.Or some small-bores of described mouth are that circular separation is arranged, as shown in Figure 3; Described circular small-bore multilayer is arranged, and internal layer aperture is little, and outer aperture is large, as shown in Figure 4.
As illustrated in Figures 5 and 6, the entrance point of described introducing section is evenly provided with a circle aperture along sidewall, (aperture is only shown in figure), like this, air can by injection enter burner and and combustion gas mixing, not only can reduce the flow velocity of combustion gas, and can to enter to burn about 40% of required air quantity by injection, improve burning and exhausting.The upper port of described mixing section is evenly provided with a circle aperture along sidewall.Mix more fully, reduce the temperature of head and steady flame to make empty combustion.
Swirling flow sheet is provided with in described mixing section or introducing section.As shown in Figure 5, in introducing section, swirling flow sheet is provided with; As shown in Figure 6, in mixing section, swirling flow sheet is provided with.Described swirling flow sheet is two, as shown in Figure 7, in half elliptic, and in circle centre position arranged crosswise.The projection of these two swirling flow sheets on introducing section cross section is rounded, and when air-flow passes through, swirling flow sheet rises and revolves to strengthen mixing.When not having other devices in pipe, in general mixing section or introducing section have ratio of height to diameter parameter, adopt the scope of certain ratio of height to diameter more easily to realize the object mixed.Have spinning disk in this example, strengthen disturbance, ratio of height to diameter can be more smaller, saves material.
As shown in FIG. 8 and 9, the upper port of described mixing section is provided with latticed flame holder, and described latticed flame holder is the isolation mesh screen roughly arranged in well shape, and the height of this isolation mesh screen is 30mm.The form of latticed flame holder has multiple, and the stable operation range of burner has the structure coming from this part to a great extent.
As shown in Figure 10, the entrance point of the introducing section of the injector of biogas burner is set to the structure of centre bore and a circle aperture.Centre bore is the passage of combustion gas, and not only structure is simple in the setting of a circle aperture, and is the nearest local perforate of the most high speed of distance combustion gas, can air that effectively injection is enough, reduces the loss.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, modify to technical scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. a biogas burner, comprising: injector and nozzle, is characterized in that,
Described injector comprises introducing section and the mixing section of coaxial setting, and the bore of mixing section is greater than introducing section, to form gap, introduces air and mixes;
The mouth of described nozzle is provided with the passage of some small-bores, and for spraying in injector by biogas, the bore design of the passage of small-bore meets the requirement of extinguishing;
The passage of some small-bores of described mouth is that circular separation is arranged, and described circular small-bore multilayer is arranged, and internal layer aperture is little, and outer aperture is large;
The entrance point of described introducing section is set to the structure of centre bore and a circle aperture.
2. biogas burner according to claim 1, is characterized in that, the entrance point of described introducing section is or/and the upper port of mixing section is evenly provided with a circle aperture along sidewall.
3. biogas burner according to claim 1, is characterized in that, is provided with swirling flow sheet in described mixing section or introducing section.
4. biogas burner according to claim 3, is characterized in that, described swirling flow sheet is two, in half elliptic, and in circle centre position arranged crosswise.
5. biogas burner according to claim 1, is characterized in that, the upper port of described mixing section is provided with latticed flame holder.
6. biogas burner according to claim 5, is characterized in that, described latticed flame holder is the isolation mesh screen roughly arranged in well shape, and the height of this isolation mesh screen is 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210335089.8A CN102853427B (en) | 2009-12-29 | 2009-12-29 | Biogas burner |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210335089.8A CN102853427B (en) | 2009-12-29 | 2009-12-29 | Biogas burner |
| CN2009102653444A CN101749707B (en) | 2009-12-29 | 2009-12-29 | Biogas burner |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102653444A Division CN101749707B (en) | 2009-12-29 | 2009-12-29 | Biogas burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102853427A CN102853427A (en) | 2013-01-02 |
| CN102853427B true CN102853427B (en) | 2016-02-03 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102653444A Active CN101749707B (en) | 2009-12-29 | 2009-12-29 | Biogas burner |
| CN201210335089.8A Active CN102853427B (en) | 2009-12-29 | 2009-12-29 | Biogas burner |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102653444A Active CN101749707B (en) | 2009-12-29 | 2009-12-29 | Biogas burner |
Country Status (1)
| Country | Link |
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| CN (2) | CN101749707B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213418B (en) * | 2011-04-19 | 2012-11-21 | 上海工程技术大学 | Combustor structure of methane fan heater |
| CN102213428B (en) * | 2011-04-19 | 2012-11-21 | 上海工程技术大学 | A biogas nozzle device structure for a biogas heater burner |
| CN104764016A (en) * | 2015-04-01 | 2015-07-08 | 深圳智慧能源技术有限公司 | Nozzle structure of venturi mixer |
| CN104791788B (en) * | 2015-04-01 | 2017-12-08 | 深圳智慧能源技术有限公司 | efficient venturi burner |
| CN106122963A (en) * | 2016-07-21 | 2016-11-16 | 江苏大学 | A kind of hydrogen loading biogas burner |
| ES2717549A1 (en) * | 2017-12-21 | 2019-06-21 | Bsh Electrodomesticos Espana Sa | INJECTOR DEVICE FOR A GAS BURNER OF A DOMESTIC APPLIANCE, GAS BURNER, AND DOMESTIC APPLIANCES (Machine-translation by Google Translate, not legally binding) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2594667Y (en) * | 2003-01-08 | 2003-12-24 | 曾令长 | Energy-saving gas burner |
| CN200975662Y (en) * | 2006-10-23 | 2007-11-14 | 白志光 | Stalk gas-fired boiler |
| CN201621698U (en) * | 2009-12-29 | 2010-11-03 | 北京时代桃源环境科技有限公司 | Biogas burner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2107041B (en) * | 1981-09-29 | 1985-01-16 | Coal Ind | Device for extracting and burning methane |
| US5238396A (en) * | 1992-06-18 | 1993-08-24 | The Boc Group, Inc. | Fuel-burner method and apparatus |
| CN101576257B (en) * | 2008-05-05 | 2012-03-28 | 原所良 | Burner, burning heating method and burning heating equipment |
-
2009
- 2009-12-29 CN CN2009102653444A patent/CN101749707B/en active Active
- 2009-12-29 CN CN201210335089.8A patent/CN102853427B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2594667Y (en) * | 2003-01-08 | 2003-12-24 | 曾令长 | Energy-saving gas burner |
| CN200975662Y (en) * | 2006-10-23 | 2007-11-14 | 白志光 | Stalk gas-fired boiler |
| CN201621698U (en) * | 2009-12-29 | 2010-11-03 | 北京时代桃源环境科技有限公司 | Biogas burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101749707B (en) | 2013-03-27 |
| CN101749707A (en) | 2010-06-23 |
| CN102853427A (en) | 2013-01-02 |
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