CN100572916C - The super mixed method and the device thereof of industrial burner gaseous fuel and combustion air - Google Patents
The super mixed method and the device thereof of industrial burner gaseous fuel and combustion air Download PDFInfo
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- CN100572916C CN100572916C CNB2007100418972A CN200710041897A CN100572916C CN 100572916 C CN100572916 C CN 100572916C CN B2007100418972 A CNB2007100418972 A CN B2007100418972A CN 200710041897 A CN200710041897 A CN 200710041897A CN 100572916 C CN100572916 C CN 100572916C
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Abstract
The present invention relates to the super mixed method and the device of a kind of industrial burner gaseous fuel and combustion air, form by burner stable flame pan, fuel gun and housing, stable flame pan is in the form of annular discs, by the inner/outer tube of coaxial setting and be fixedly installed between the inner/outer tube, streamline vane that main body is the inclination arc shape forms, fuel gun by be spaced with inner/outer tube concentric circles form, main body be shaft-like, on take the pore inclined end face out of main fuel rifle and inferior fuel gun constitute, housing is with the setting of inner/outer tube concentric circles form, be interconnected into one by reinforcement.Because it is streamlined the blade of stable flame pan to be arranged to help to produce the lower resistance of inclination arcwall face of eddy flow wind, the exit end face of fuel gun is arranged to take the skewed of pore out of and makes gaseous fuel with perpendicular to bevel direction and opposite with the flow direction of eddy flow wind and spray with the subsonic speed flow velocity, make the two infiltration that liquidates, surpass mixing fully and fully, help combustion temperature in hearth and evenly reach growing amount and the discharge rate that fuel rationally and fully burns and reduces contaminated environment waste gas.
Description
Technical field
The present invention relates to the gas combustion technical field, particularly a kind of combustion air can produce the novel industrial burner gaseous fuel of the few technique effect of all even pollutant of temperature and the super mixed method and the device thereof of combustion air when fully mixing, being convenient in burner hearth burning with the two after by fuel gun of gaseous fuel after by the stable flame pan of burner.
Background technology
The heat that needs during the work of Industrial Boiler and heater can provide by burner mixture of burning gases fuel and combustion air in burner hearth, even, no localized hyperthermia produces in order to ensure comburant temperature in the burner hearth, be beneficial to reduce nitrogen oxide and carbon monoxide in the combustion process growing amount, reduce and pollute and the discharge rate of waste gas and improve the utilization rate of gaseous fuel, thereby gas when entering burner hearth earlier suitably homogeneous phase give when mixing gaseous fuel and combustion air and making it to burn the ignition temperature on the combustion flame face and be lower than NOx and generate temperature.If it is improper that gaseous fuel mixes with combustion air, promptly, produce too much CO gas because gaseous fuel is excessive or because combustion air is excessive, all will influence flame propagation velocity, cause the heat conduction efficiency that reduces boiler or heater simultaneously, thus the increase that causes gaseous fuel to consume.Therefore, importing gaseous fuel and combustion air and make it to be in the Flammability limits that super admixture increases flammable temperature compound as how suitable flow is a crucial job, also is the problem that current various countries are all being studied.
In the prior art, it is a variety of that the sending into and make it to mix of gaseous fuel and combustion air looks for method and apparatus to have, but more employing is that combustion air is sent by the stable flame pan of burner, and gaseous fuel is sent by fuel gun.The version of stable flame pan commonly used mainly contains two kinds at present, a kind of is to be made of flat blade, though the combustion air that the stable flame pan of this version is sent can form eddy flow wind, and produce burning recirculating zone, needed center, but the resistance when entering owing to combustion air is bigger, the back pressure of burner is higher, make the inlet of combustion air and the swirl strength of combustion air not match, and the swirl strength of combustion air is also strong during the inlet Datong District that promptly can not accomplish combustion air.Another kind is the version (bowl shaped structure) that adopts perforate on circular flat board, though the stable flame pan of this version produces burning recirculating zone, needed center because of forming center local decompression, but can not form eddy flow wind, and resistance is also bigger, so also owe desirable.The version of burner fuel rifle also mainly contains two kinds at present, a kind ofly be arranged on fuel gun near on the side on top or on the top end face for venthole, another kind is arranged on the fuel gun inclined-plane for venthole, the shortcoming of the version of these two kinds of fuel guns be gaseous fuel the flow direction and by stable flame pan send the flow direction of combustion air can not be fine intersection mix, fuel resistance through the exit time is big simultaneously, flow velocity is lower, thereby can not produce stronger mixing penetration power, so be unfavorable for fully mixing of gaseous fuel and combustion air.Therefore the requirement of abundant mixed fuel and combustion air is owed rationally, can not be satisfied to the structure of burner stable flame pan of the prior art and fuel gun.
Summary of the invention
The objective of the invention is to overcome in the prior art that combustion air can not fully mix with gaseous fuel and the stable flame pan resistance is excessive and the low excessively weak point of fuel gun gas outlet flow velocity, provide a kind of and can effectively reduce the back pressure of stable flame pan and improve fuel gun gas outlet flow velocity and help gaseous fuel and the super mixed method and the device thereof of well-mixed industrial burner gaseous fuel of combustion air and combustion air.
The super mixed method of industrial burner gaseous fuel of the present invention and combustion air is: the blade of stable flame pan is designed to main body is skewed, the curved lower resistance in two sides is streamlined, make the combustion-supporting air quantity that passes through more, the combustion air swirl strength that forms is strong, and can form low-pressure air recirculating zone, center, with the exit end face of fuel gun be designed to stable flame pan match skewed, and the venthole of different-diameter is set on the inclined plane, gaseous fuel is with perpendicular to bevel direction, and spray with the subsonic speed flow velocity, make the infiltration that liquidates mutually of gaseous fuel and combustion air, mix, realize that the two is complete, and super fully the mixing.Mainly form based on the industrial burner gaseous fuel of the inventive method and the super mixing arrangement of combustion air by burner stable flame pan, burner fuel rifle and housing, burner stable flame pan main body is in the form of annular discs, be made up of inner core, urceolus and blade, inside and outside tube be a concentric drums, continuous by vanes fixed each other, blade body is the inclination arc shape, be with exit that inner core and urceolus join mutually and diameter between angle α be 20-50 ° skewed; The burner fuel rifle is made of main fuel rifle and time fuel gun, to be spaced with inner core and the concentrically ringed form of urceolus, wherein the exit end face setting of main fuel rifle be with the interplanar angle β of axis normal be that 5-35 ° skewed, inclined plane is provided with several ventholes, the top end face setting of inferior fuel gun be with the interplanar angle γ of axis normal be that 35-70 ° skewed, inclined plane is provided with several ventholes; Housing is to be arranged on outermost circle, to be fixedly linked and to be an integral body by rear portion reinforcement and header board with inner core and the concentrically ringed form of urceolus.In addition, the outlet inclined-plane of main fuel rifle towards the side in middle axle center install, opposite with the flow direction of the eddy flow shape combustion air sent in the stable flame pan; The inclined-plane, top of inferior fuel gun towards inner walls one side, with stable flame pan in the eddy flow shape combustion air sent opposite through the flow direction of the revolution shape eddy flow wind of inner walls reflection back formation.
During work, combustion air forms low-pressure air zone, center behind the streamline shape arc shaped blade of stable flame pan, internal layer is that high-speed rotational wind and skin are near the revolution eddy flow wind the nearly inner walls, gaseous fuel sprays with direction and subsonic speed flow velocity perpendicular to inclined end face by the venthole on main fuel rifle and time fuel gun inclined end face, has different penetration depths, and it flows to opposite with the flow direction of eddy flow wind of sending behind stable flame pan and revolution shape eddy flow wind, gaseous fuel formation multiply thread and different penetration depth and combustion airs are oppositely liquidated, help reaching abundant mixing.
Based on above-mentioned design, the super mixed method and the device thereof of industrial burner gaseous fuel of the present invention and combustion air because the blade of stable flame pan adopts the cleanliness design, are convenient to when being convenient to work form strong eddy flow wind, and can be reduced the drag losses of stable flame pan; Because fuel gun is by many masters, inferior fuel gun is formed, and exit end face adopts inclined design and installs and is provided with towards opposite with the flow direction of combustion air, makes combustion air and gaseous fuel form and liquidates, and helps abundant mixing; Because the flow velocity of gaseous fuel outlet adopts the subsonic speed design, forming with combustion air has bigger speed poor, has different penetration depths simultaneously, helps and fully and all sidedly the mixing of combustion air.In sum, the super mixed method of the utility model industrial burner gaseous fuel and combustion air and device thereof are compared with existing similar technology, have rational in infrastructure, method is feasible and reliable, gaseous fuel and combustion air enter burner hearth and fully burning under the super state that mixes, help guaranteeing that ignition temperature is even in the burner hearth, the growing amount of nitrogen oxide and carbon monoxide in generation of no localized hyperthermia and the reduction combustion process, reduce and pollute and the discharge rate of waste gas and the utilization rate of raising gaseous fuel, thereby have fairly obvious technical advance, remarkable economical and very strong practicality.
Description of drawings
Fig. 1 is the basic structure schematic diagram of the utility model embodiment;
Fig. 2 is the main fuel rifle exit end face structural representation of the utility model embodiment;
Fig. 3 is the inferior fuel gun exit end face structural representation of the utility model embodiment;
Fig. 4 is the stable flame pan structural representation of the utility model embodiment.
Among the figure:
1. stable flame pan 2. fuel guns 3. housings 4. inner cores 5. urceolus
6. 9. fuel guns of blade 7. edges, 8. main fuel rifles, 10. exit end face A
11. big venthole 12. exit end face B 13. less ventholes
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and exemplary embodiments.
In Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the super mixing arrangement of industrial burner gaseous fuel of the present utility model and combustion air mainly is made up of burner stable flame pan 1, burner fuel rifle 2 and housing 3, the main body that is characterised in that burner stable flame pan 1 is in the form of annular discs, be made up of inner core 4, urceolus 5 and blade 6, inner core 4 and urceolus 5 places are coaxial to be provided with state, be fixedly linked by blade 6 each other, the edge 7 in the exit that described blade 6 main bodys are the inclination arc shape, join mutually with inner core 4 and urceolus 5 be provided be and diameter between angle α be 20-50 ° skewed; Burner fuel rifle 2 by be spaced with inner core 4 and urceolus 5 concentrically ringed forms, main body is shaft-like main fuel rifle 8 and inferior fuel gun 9 and constitutes, wherein the exit end face A10 of main fuel rifle 8 be provided be with the interplanar angle β of axis normal be 5-35 ° skewed, above be provided with big venthole 11, the exit end face B12 of inferior fuel gun 9 be provided be with the interplanar angle γ of axis normal be 35-70 ° skewed, above be provided with 6 less ventholes 13; Housing 3 is with inner core 4 and urceolus 5 concentrically ringed form settings, be fixedly linked, be provided with and be one by rear portion reinforcement and urceolus 5.In addition, under installment state, the exit end face A10 of described main fuel rifle 8 is towards middle axle center one side, opposite with the flow direction of the eddy flow shape combustion air sent in the stable flame pan 1; The exit end face B12 of described fuel gun 9 towards housing 3 inwalls one side, with stable flame pan 1 in the eddy flow shape combustion air sent opposite through the flow direction of the revolution shape eddy flow wind of housing 3 inwalls reflection back formation.
Claims (4)
1. the super mixing arrangement of industrial burner gaseous fuel and combustion air is made up of burner stable flame pan (1), burner fuel rifle (2) and housing (3), it is characterized in that:
A. the main body of burner stable flame pan (1) in the form of annular discs, form by inner core (4), urceolus (5) and blade (6), inner core (4) and urceolus (5) are located the coaxial state that is provided with, the blade (6) that is the inclination arc shape by main body is fixedly linked, the edge (7) in the exit that joins mutually with inner core (4) and urceolus (5) be provided be and diameter between angle α be 20-50 ° skewed;
B. burner fuel rifle (2) by be spaced with inner core (4) and the concentrically ringed form of urceolus (5), main body is shaft-like main fuel rifle (8) and time fuel gun (9) constitutes, the exit end face A (10) of main fuel rifle (8) be provided be with the interplanar angle β of axis normal be 5-35 ° skewed, above be provided with big venthole (11), the exit end face B (12) of inferior fuel gun (9) be provided be with the interplanar angle γ of axis normal be 35-70 ° skewed, above be provided with less venthole (13);
C. housing (3) is integral to be fixedly linked with inner core (4) and the concentrically ringed form setting of urceolus (5), by reinforcement and urceolus (5).
2. the super mixing arrangement of industrial burner gaseous fuel according to claim 1 and combustion air, the exit end face A (10) that it is characterized in that described main fuel rifle (8) under installment state towards middle axle center one side, opposite with the flow direction of the eddy flow shape combustion air sent in the stable flame pan (1).
3. the super mixing arrangement of industrial burner gaseous fuel according to claim 1 and combustion air, the exit end face B (12) that it is characterized in that described fuel gun (9) under installment state towards housing (3) inwall one side, with stable flame pan (1) in the eddy flow shape combustion air sent opposite through the flow direction of the revolution shape eddy flow wind of housing (3) inwall reflection back formation.
4. the super mixed method of industrial burner gaseous fuel and combustion air, it is characterized in that blade with stable flame pan is designed to main body and is skewed, the curved lower resistance in two sides is streamlined, make the combustion-supporting air quantity that passes through more, the combustion air swirl strength that forms is strong, and can form low-pressure air recirculating zone, center, with the exit end face of fuel gun be designed to stable flame pan match skewed, and the venthole of different-diameter is set on the inclined plane, gaseous fuel is with perpendicular to bevel direction, and spray with the subsonic speed flow velocity, make the infiltration that liquidates mutually of gaseous fuel and combustion air, mix, realize that the two is complete, and super fully the mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100418972A CN100572916C (en) | 2007-06-12 | 2007-06-12 | The super mixed method and the device thereof of industrial burner gaseous fuel and combustion air |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100418972A CN100572916C (en) | 2007-06-12 | 2007-06-12 | The super mixed method and the device thereof of industrial burner gaseous fuel and combustion air |
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| CN101067495A CN101067495A (en) | 2007-11-07 |
| CN100572916C true CN100572916C (en) | 2009-12-23 |
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| CN102012025B (en) * | 2010-12-10 | 2012-12-12 | 上海诺特飞博燃烧设备有限公司 | Low-NOx combustor with internal reflux of flue gas and homogeneous combustion and gas configuration method thereof |
| CN102003710B (en) * | 2010-12-10 | 2012-12-12 | 上海诺特飞博燃烧设备有限公司 | Low emission high-power staged-combustion gas burner and gas collocation method thereof |
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| CN102607025A (en) * | 2011-12-06 | 2012-07-25 | 上海诺特飞博燃烧设备有限公司 | Gas back-jetting pre-mixing low-NOx combustion apparatus and combustion method of combustion apparatus |
| CN102658066A (en) * | 2012-04-26 | 2012-09-12 | 葛明龙 | Catalytic decomposition low-concentration hydrogen peroxide reactor, combustion chamber and application thereof |
| CN103742914B (en) * | 2014-01-27 | 2016-03-30 | 上海伊德科技有限公司 | Burner for ceramic furnace and burner thereof |
| CN105351925B (en) * | 2015-11-09 | 2018-04-10 | 上海华之邦科技股份有限公司 | Low emission fuel gas buring stove and its combustion air collocation method |
| WO2017092043A1 (en) * | 2015-12-04 | 2017-06-08 | 深圳智慧能源技术有限公司 | Venturi burner structure |
| CN109323258B (en) * | 2018-11-22 | 2023-11-21 | 华侨大学 | Burner structure based on multiple types of nozzles |
| CN109611847A (en) * | 2018-12-30 | 2019-04-12 | 上海华之邦科技股份有限公司 | A kind of fuel gas combustion system of suitable multitubular boiler |
| CN112344328A (en) * | 2020-10-23 | 2021-02-09 | 郴州华峰能源科技有限公司 | Negative pressure nozzle |
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| GB2138556A (en) * | 1983-04-07 | 1984-10-24 | Gpnii Nikel Kobalt Olov Promy | Apparatus for Burning Fuel and Feeding the Products of Combustion Into a Melt |
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| CN101067495A (en) | 2007-11-07 |
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Owner name: XINJIANG BAI SPECIAL STEEL MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SHANGHAI NTFB COMBUSTION EQUIPMENT CO., LTD. Effective date: 20100505 |
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Free format text: CORRECT: ADDRESS; FROM: 200063 18B, LVDI KECHUANG BUILDING, NO.201, NINGXIA ROAD, PUTUO DISTRICT, SHANGHAI CITY +AMP;C TO: 830015 NO.2, SIFANG ROAD, TOUTUNHE INDUSTRY DEVELOPMENT AREA, URUMQI CITY, XINJIANG |
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Effective date of registration: 20100505 Address after: 830015, Sifang Road, Toutun River Industrial Development Zone, Xinjiang, Urumqi, 2 Patentee after: Xinjiang Baxter manufacturing steel structure Co. Address before: 200063 Shanghai City, Putuo District Ningxia Road No. 201 Chong green building 18B&C Patentee before: Shanghai Nuotefeibo Combustion Equipment Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI NUOTEFEIBO COMBUSTION EQUIPMENT CO., LTD. Free format text: FORMER OWNER: XINJIANG BAITE STEEL STRUCTURE MANUFACTURING CO., LTD. Effective date: 20121120 |
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Free format text: CORRECT: ADDRESS; FROM: 830015 URUMQI, XINJIANG UYGUR AUTONOMOUS REGION TO: 200062 PUTUO, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20121120 Address after: 200062, room 10, building 1628, Lane 2007, Jinsha River Road, Shanghai, Putuo District Patentee after: Shanghai Nuotefeibo Combustion Equipment Co., Ltd. Address before: 830015, Sifang Road, Toutun River Industrial Development Zone, Xinjiang, Urumqi, 2 Patentee before: Xinjiang Baxter manufacturing steel structure Co. |