CN203384978U - Anti-backfire commercial gas stove burner - Google Patents

Anti-backfire commercial gas stove burner Download PDF

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Publication number
CN203384978U
CN203384978U CN201320390196.0U CN201320390196U CN203384978U CN 203384978 U CN203384978 U CN 203384978U CN 201320390196 U CN201320390196 U CN 201320390196U CN 203384978 U CN203384978 U CN 203384978U
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CN
China
Prior art keywords
kindling material
backfire
chamber
cover plate
inner housing
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Expired - Lifetime
Application number
CN201320390196.0U
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Chinese (zh)
Inventor
施世佐
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YONGKANG HUAGANG KITCHENWARE Co Ltd
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YONGKANG HUAGANG KITCHENWARE Co Ltd
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Priority to CN201320390196.0U priority Critical patent/CN203384978U/en
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Publication of CN203384978U publication Critical patent/CN203384978U/en
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Abstract

The utility model discloses an anti-backfire commercial gas stove burner. The anti-backfire commercial gas stove burner comprises a cover plate (2), a flame splitter body (5), an inner casing (25), an outer casing (24), a fire source nozzle (8), an inner separation board (27), an inner air flue (26) and an air inlet pipe (28). The cover plate (2), the flame splitter body (5), the inner casing (25) and the inner separation board (27) form a diffusion cavity (4); the cover plate (2), the inner casing (25) and the outer casing (24) form a radiation cavity (3); the inner casing (25), the inner separation board (27) and the inner air flue (26) form a main gas cavity (14) which is disposed between the diffusion cavity (4) and the radiation cavity (3); the inner air flue (26) is provided with a main gas cavity gas outlet hole (13); the longitudinal passage of the air inlet pipe (18) is communicated with the diffusion cavity (4) through the inner air flue (26) to form a premixing cavity (10) on the inner air flue (26), and the transverse passage of the air inlet pipe (18) is communicated with the radiation cavity (3). Therefore, the anti-backfire commercial gas stove burner has the advantages of being simple and reasonable in structure, sufficient in burning effects, high in energy utilization rate, safe and reliable to use and the like.

Description

Anti-backfire commercial gas burner
Technical field
The invention relates to a kind of commercial gas kitchen range, particularly a kind of commercial energy-saving gas burner that not only can fully burn but also can use safely.
Background technology
At present, gas furnace has become the main stove and accessory in daily life, especially dining room, hotel, the commercial gas kitchen range of the food service industries such as hotel, from air inlet and gas inlet, input air and combustion gas are carried out premixed combustion to the premix chamber to burner respectively in use, adopt above-mentioned combustion system simple in structure, the burner firepower is violent, but there is following problem: the one, because air demand is large, air pressure is high, air and combustion gas can not get abundant mixing in the premix chamber, during burning, combustion gas can not completing combustion, the combustion gas utilization rate is low, not only can cause a large amount of energy wastes, and can cause air pollution, more and more nervous today at the energy, energy-conservationly become the matter of utmost importance that this type of gas furnace will solve.The 2nd, existing commercial gas kitchen range burner adopts premixed combustion, the minimum temperature of combustion gas is about 490 ℃, the air mixture temperature of mixing with air in burner surpasses 490 ℃ and is easy to the overheated spontaneous combustion of inner generation in burner premix chamber, conventional term is called " tempering ", especially artificial coal gas the most easily occurs because burning-point is low, this not only easily causes stove and accessory to damage, and reduces the service life of stove and accessory, and has serious potential safety hazard.Will thoroughly solve " tempering " phenomenon, require the temperature in burner premix chamber all the time will be lower than 490 ℃, this be the industry technology difficulties.For this reason, many manufacturers and knowledgeable people have carried out fruitfully R and D, but not yet have so far rational product to emerge.
Summary of the invention
The above-mentioned defect existed in order to overcome existing commercial gas burner, the purpose of the invention be to provide a kind of simple and reasonable, burning cmpletely, high, the safe and reliable anti-backfire commercial gas burner of energy utilization rate.
The invention solves the problems of the technologies described above adopted technical scheme, it comprises cover plate, the distributor body, inner housing, shell body, the kindling material nozzle, internal partition, interior airduct, blast pipe, be evenly equipped with the hole, gap on the distributor body, described inner housing is set in successively on the distributor body and with cover plate and is connected with shell body, internal partition is fixed on the inner housing bottom, interior airduct is fixed on the centre bore of internal partition and inner housing bottom, blast pipe is fixed on the bottom centre hole of shell body, cover plate, the distributor body, inner housing and internal partition form diffusion chamber, cover plate, inner housing and shell body form the heat radiation chamber, inner housing, internal partition and interior airduct form main air cavity, main air cavity is between diffusion chamber and heat radiation chamber, interior airduct is provided with main air cavity venthole, the blast pipe vertical passage communicates with diffusion chamber through interior airduct, form the premix chamber on interior airduct, the blast pipe interconnection communicates with the heat radiation chamber.
Be evenly equipped with the louvre communicated with the chamber of dispelling the heat on described cover plate.
Described kindling material nozzle is fixed on the bottom centre of distributor body, and the kindling material venthole on the kindling material nozzle is arranged in the combustion chamber of distributor body, and the bottom of kindling material nozzle is provided with the kindling material fresh air inlet communicated with the blast pipe vertical passage.
The bottom of described shell body is fixed with the kindling material inlet suction port, and the kindling material inlet suction port is connected with the kindling material hybrid chamber of kindling material nozzle by the kindling material air inlet pipe.
The bottom of described shell body is fixed with main gas inlet suction port, and main gas inlet suction port is connected with main air cavity by main gas air inlet pipe.
Described distributor body is provided with igniter, and igniter comprises ignition electrode conduit and ignition electrode, and the ignition electrode conduit is fixed between distributor body and shell body, and ignition electrode is arranged in the ignition electrode conduit.
Described distributor body is provided with flame-out protection device, and flame-out protection device comprises inductive needle conduit and blowout protection inductive needle, and the inductive needle conduit is arranged between distributor body and shell body, and the blowout protection inductive needle is arranged in the inductive needle conduit.
After adopting said structure, following advantage and effect are arranged compared with the prior art.
The one, the air entered due to the blast pipe vertical passage mixes in the premix chamber for the first time with the combustion gas that the main air cavity venthole on interior airduct enters, entering diffusion chamber mixes for the second time again, air and combustion gas after secondary mixes after the place, hole, gap of distributor body is mixed for three times the hole, gap spray uniform mist, combustion gas is fully burnt in the combustion chamber of distributor body, thereby greatly improved energy utilization rate.
The 2nd, the air entered due to the blast pipe interconnection carries out air blast cooling to main air cavity and diffusion chamber, discharge and add hot-air by the louvre on cover plate after absorbing heat, reduce the temperature at other position except combustion chamber, make the temperature of the mist in diffusion chamber all the time below 490 ℃, thereby solve the burner backfire phenomenon, eliminated the potential safety hazard that burner backfire brings.
The 3rd, the high temperature CO that the mixed uniformly mist of air and combustion gas produces after combustion chambers burn, this high temperature CO adds hot-air and is burnt with discharging from louvre again, the CO chemical reaction generates CO2, not only greatly reduces the discharge of CO, and has further improved energy utilization rate.
The accompanying drawing explanation
The plan structure schematic diagram that Fig. 1 is the invention.
The X-X cross-sectional view that Fig. 2 is the invention Fig. 1.
The Y-Y cross-sectional view that Fig. 3 is the invention Fig. 1.
1 louvre wherein, 2 cover plates, 3 heat radiation chambeies; 4 diffusion chambers, 5 distributor bodies, 6 combustion chambers; 7 kindling material ventholes, 8 kindling material nozzles, 9 kindling material hybrid chambers; 10 premix chambeies, 11 kindling material fresh air inlets, 12 blowout protection inductive needles; 13 main air cavity ventholes, 14 main air cavitys, 15 ignition electrode conduits; 16 ignition electrodes, 17 ignition electrodes are the steel button fixedly, 18 blast pipes; 19 kindling material air inlet pipe, 20 kindling material inlet suction ports, 21 main gas air inlet pipe; 22 main gas inlet suction ports, 23 holes, gap, 24 shell bodies; 25 inner housings; 26 interior airducts, 27 internal partitions, 28 inductive needle conduits.
The specific embodiment
Shown in Fig. 1 to Fig. 3, specific embodiments for a kind of anti-backfire commercial gas of the invention burner, it comprises cover plate 2, distributor body 5, inner housing 25, shell body 24, kindling material nozzle 8, internal partition 27, interior airduct 26, blast pipe 18, be evenly equipped with hole, gap 23 on distributor body 5, described inner housing 25 is set in successively on distributor body 5 and with cover plate 2 and is fixedly connected with shell body 24, internal partition 27 is fixed on inner housing 25 bottoms, interior airduct 26 is fixed on the centre bore of internal partition 27 and inner housing 25 bottoms, blast pipe 18 is fixed on the bottom centre hole of shell body 24, cover plate 2, distributor body 5, inner housing 25 and internal partition 27 form diffusion chamber 4, cover plate 2, inner housing 25 and shell body 24 form heat radiation chamber 3, inner housing 25, internal partition 27 and interior airduct 26 form main air cavity 14, main air cavity 14 is between diffusion chamber 4 and heat radiation chamber 3, interior airduct 26 is provided with main air cavity venthole 13, blast pipe 18 vertical passages communicate with diffusion chamber 4 through interior airduct 26, form premix chamber 10 on interior airduct 26, air and combustion gas mix for the first time in premix chamber 10, at diffusion chamber 4, mix for the second time again, blast pipe 18 interconnections communicate with heat radiation chamber 3.Be evenly equipped with the louvre 1 communicated with the chamber 3 of dispelling the heat on described cover plate 2.The bottom of described shell body 24 is fixed with main gas inlet suction port 22, and main gas inlet suction port 22 is connected with main air cavity 14 by main gas air inlet pipe 21.
In order to guarantee that burner has ever-burning flame during operation, described kindling material nozzle 8 is fixed on the bottom centre of distributor body 5, kindling material venthole 7 on kindling material nozzle 8 is arranged in the combustion chamber 6 of distributor body 5, and the bottom of kindling material nozzle 8 is provided with the kindling material fresh air inlet 11 communicated with blast pipe 18 vertical passages.The bottom of described shell body 24 is fixed with kindling material inlet suction port 20, and kindling material inlet suction port 20 is connected with the kindling material hybrid chamber 9 of kindling material nozzle 8 by kindling material air inlet pipe 19.
For convenient igniting, described distributor body 5 is provided with igniter, igniter comprises ignition electrode conduit 15 and ignition electrode 16, ignition electrode conduit 15 is fixed between distributor body 5 and shell body 24, ignition electrode 16 is arranged in ignition electrode conduit 15, and fixedly steel button 17 is fixing by ignition electrode for ignition electrode 16.
In order to guarantee to use safety; described distributor body 5 is provided with flame-out protection device; flame-out protection device comprises inductive needle conduit 28 and blowout protection inductive needle 12, and inductive needle conduit 28 is arranged between distributor body 5 and shell body 24, and blowout protection inductive needle 12 is arranged in inductive needle conduit 28.After 6 fray-outs of flame of combustion chamber, blowout protection inductive needle 12 does not detect control module closing gas valve of flare up fire, can stop the potential safety hazard of gas leakage.
During the invention work, the air entered from blast pipe 18 vertical passages mixes in premix chamber 10 for the first time with the combustion gas entered from main air cavity venthole 13, entering diffusion chamber 4 mixes for the second time again, air and the combustion gas hole, gap 23 from distributor body 5 after secondary mixes is sprayed onto combustion chamber 6, combustion gas is fully burnt in combustion chamber, can effectively improve energy utilization rate.The air that enters into heat radiation chamber 3 from interconnection carries out air blast cooling to the outer surface of main air cavity 14 and diffusion chamber 4, discharge and add hot-air by the louvre 1 on cover plate 2 after absorbing heat, can reduce the temperature at other position except combustion chamber 6, make the temperature of the mist in diffusion chamber 4 all the time lower than 490 ℃, thereby solve the burner backfire phenomenon, eliminated the potential safety hazard that burner backfire brings.The high temperature CO that mist produces after 6 burnings in combustion chamber, this high temperature CO adds hot-air and is burnt with discharging from louvre 1 again, and the CO chemical reaction generates CO2, not only greatly reduces the discharge of CO, and has further improved energy utilization rate.
The above; just the specific embodiment of the invention, not make any pro forma restriction to the invention, do not breaking away from the technical scheme basis of the invention; the simple modification of having done, equivalent variations or modification, all fall into the protection domain of the invention.

Claims (7)

1. an anti-backfire commercial gas burner, comprise cover plate (2), distributor body (5), inner housing (25), shell body (24), kindling material nozzle (8), internal partition (27), interior airduct (26), blast pipe (18), it is characterized in that: described inner housing (25) is set in successively distributor body (5) above and is connected with cover plate (2) with shell body (24), internal partition (27) is fixed on inner housing (25) bottom, interior airduct (26) is fixed on the centre bore of internal partition (27) and inner housing (25) bottom, blast pipe (18) is fixed on the bottom centre hole of shell body (24), cover plate (2), distributor body (5), inner housing (25) and internal partition (27) form diffusion chamber (4), cover plate (2), inner housing (25) and shell body (24) form heat radiation chamber (3), inner housing (25), internal partition (27) and interior airduct (26) form main air cavity (14), main air cavity (14) is positioned between diffusion chamber (4) and heat radiation chamber (3), interior airduct (26) is provided with main air cavity venthole (13), blast pipe (18) vertical passage communicates with diffusion chamber (4) through interior airduct (26), in the upper premix chamber (10) that forms of interior airduct (26), blast pipe (18) interconnection communicates with heat radiation chamber (3).
2. anti-backfire commercial gas burner according to claim 1, is characterized in that: be evenly equipped with the louvre (1) communicated with the chamber of dispelling the heat (3) on described cover plate (2).
3. anti-backfire commercial gas burner according to claim 1 and 2, it is characterized in that: described kindling material nozzle (8) is fixed on the bottom centre of distributor body (5), kindling material venthole (7) on kindling material nozzle (8) is arranged in the combustion chamber (6) of distributor body (5), and the bottom of kindling material nozzle (8) is provided with the kindling material fresh air inlet (11) communicated with blast pipe (18) vertical passage.
4. anti-backfire commercial gas burner according to claim 3, it is characterized in that: the bottom of described shell body (24) is fixed with kindling material inlet suction port (20), and kindling material inlet suction port (20) is connected with the kindling material hybrid chamber (9) of kindling material nozzle (8) by kindling material air inlet pipe (19).
5. anti-backfire commercial gas burner according to claim 4, it is characterized in that: the bottom of described shell body (24) is fixed with main gas inlet suction port (22), and main gas inlet suction port (22) is connected with main air cavity (14) by main gas air inlet pipe (21).
6. anti-backfire commercial gas burner according to claim 3, it is characterized in that: described distributor body (5) is provided with igniter, igniter comprises ignition electrode conduit (15) and ignition electrode (16), ignition electrode conduit (15) is fixed between distributor body (5) and shell body (24), and ignition electrode (16) is arranged in ignition electrode conduit (15).
7. anti-backfire commercial gas burner according to claim 6; it is characterized in that: described distributor body (5) is provided with flame-out protection device; flame-out protection device comprises inductive needle conduit (28) and blowout protection inductive needle (12); inductive needle conduit (28) is arranged between distributor body (5) and shell body (24), and blowout protection inductive needle (12) is arranged in inductive needle conduit (28).
CN201320390196.0U 2013-07-03 2013-07-03 Anti-backfire commercial gas stove burner Expired - Lifetime CN203384978U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320390196.0U CN203384978U (en) 2013-07-03 2013-07-03 Anti-backfire commercial gas stove burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320390196.0U CN203384978U (en) 2013-07-03 2013-07-03 Anti-backfire commercial gas stove burner

Publications (1)

Publication Number Publication Date
CN203384978U true CN203384978U (en) 2014-01-08

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Application Number Title Priority Date Filing Date
CN201320390196.0U Expired - Lifetime CN203384978U (en) 2013-07-03 2013-07-03 Anti-backfire commercial gas stove burner

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106448352A (en) * 2016-04-14 2017-02-22 张念现 Wind forming demonstration device used for teaching
CN108426244A (en) * 2018-04-24 2018-08-21 广州市东霸节能科技有限公司 A kind of premixed burner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106448352A (en) * 2016-04-14 2017-02-22 张念现 Wind forming demonstration device used for teaching
CN108426244A (en) * 2018-04-24 2018-08-21 广州市东霸节能科技有限公司 A kind of premixed burner
CN108426244B (en) * 2018-04-24 2023-12-26 广州市东霸节能科技有限公司 Premixing furnace end

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Granted publication date: 20140108

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