CN111035273A - Combustor and oven - Google Patents
Combustor and oven Download PDFInfo
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- CN111035273A CN111035273A CN201911404615.XA CN201911404615A CN111035273A CN 111035273 A CN111035273 A CN 111035273A CN 201911404615 A CN201911404615 A CN 201911404615A CN 111035273 A CN111035273 A CN 111035273A
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- holes
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- main combustion
- combustion pipe
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0647—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with gas burners
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- Food Science & Technology (AREA)
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Abstract
本发明公开了一种燃烧器，并公开了具有燃烧器的烤箱，其中燃烧器，用于烤箱，包括：主燃烧管，两侧沿轴向各设置有一排燃烧孔以及位于燃烧孔下方的一排稳火孔，燃烧孔包括交错排列的若干方形火孔和若干圆形火孔；辐射板，连接于主燃烧管的上侧；稳焰板，连接于主燃烧管的下侧；其中，辐射板位于燃烧孔的上方，稳焰板的两侧各设置一稳火片，稳火片与主燃烧管之间形成有缝隙，稳火孔布置在缝隙内。主燃烧管的两侧各布置一排燃烧孔和一排稳火孔，稳火孔喷出的火焰通过稳火片传递至燃烧孔，保证燃烧孔的火焰稳定，防止火焰熄灭；燃烧孔由交错排列的若干方形火孔和若干圆形火孔组成，提高了燃烧的稳定性，有利于提高热负荷。
The invention discloses a burner and an oven with the burner, wherein the burner, used for the oven, comprises: a main combustion pipe, a row of combustion holes on both sides along the axial direction, and a burner hole located below the combustion hole. Fire stabilization holes, the combustion holes include several square fire holes and several circular fire holes arranged in a staggered manner; the radiation plate is connected to the upper side of the main combustion pipe; the flame stabilization plate is connected to the lower side of the main combustion pipe; wherein, the radiation plate is connected to the lower side of the main combustion pipe The plate is located above the combustion hole, and a fire-stabilizing sheet is arranged on both sides of the flame-stabilizing plate. A gap is formed between the fire-stabilizing sheet and the main combustion pipe, and the fire-stabilizing hole is arranged in the gap. A row of combustion holes and a row of fire stabilization holes are arranged on both sides of the main combustion pipe. The flame ejected from the fire stabilization holes is transmitted to the combustion holes through the fire stabilization sheet to ensure the flame stability of the combustion holes and prevent the flame from extinguishing; the combustion holes are staggered by Several square fire holes and several round fire holes are arranged, which improves the stability of combustion and helps to increase the heat load.
Description
Technical Field
The invention relates to the technical field of ovens, in particular to a burner for an oven and the oven.
Background
In the related art, the burner adopted by the existing gas oven has the following defects: 1. the tubular burner mostly adopts a circular fire hole, the design heat load is not high, abnormal conditions such as flame leaving, yellow flame and the like can occur under the working condition of higher heat load, and the tubular burner can not be normally used; 2. the tubular burner generally has only one row of burning holes, the flame stability is low, and the phenomena of flame separation and even flame extinction are easy to occur.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a combustor, which improves the heat load and the combustion stability.
The invention also provides an oven with the burner.
The burner according to an embodiment of the first aspect of the invention, for use in an oven, comprises:
the two sides of the main combustion pipe are respectively provided with a row of combustion holes and a row of fire stabilizing holes positioned below the combustion holes along the axial direction, and the combustion holes comprise a plurality of square fire holes and a plurality of round fire holes which are arranged in a staggered mode;
a radiation plate connected to an upper side of the main combustion pipe;
the flame stabilizing plate is connected to the lower side of the main combustion pipe;
the radiation plate is positioned above the combustion holes, two sides of the flame stabilizing plate are respectively provided with a flame stabilizing piece, a gap is formed between the flame stabilizing piece and the main combustion pipe, and the flame stabilizing holes are arranged in the gap.
The burner according to the embodiment of the first aspect of the invention has at least the following beneficial effects: a row of combustion holes and a row of fire stabilizing holes are respectively arranged on two sides of the main combustion pipe, the fire stabilizing holes are positioned in a gap between the fire stabilizing piece and the main combustion pipe, and flame sprayed from the fire stabilizing holes is transmitted to the combustion holes through the fire stabilizing piece, so that the stability of the flame of the combustion holes is ensured, and the flame is prevented from being extinguished; the combustion holes are composed of a plurality of square fire holes and a plurality of round fire holes which are arranged in a staggered mode, so that the combustion stability is improved, and the heat load is favorably improved.
According to some embodiments of the first aspect of the present invention, a plurality of the square fire holes and a plurality of the circular fire holes are equidistantly staggered.
According to some embodiments of the first aspect of the present invention, the distance between two adjacent ones of the flame stabilizing holes is greater than the distance between two adjacent ones of the combustion holes.
According to some embodiments of the first aspect of the present invention, the square fire hole is rectangular, and a short side of the square fire hole is parallel to an axial direction of the main burner pipe.
According to some embodiments of the first aspect of the present invention, the combustion holes on both sides of the main combustion pipe are symmetrically arranged.
According to some embodiments of the first aspect of the present invention, the main combustion pipe is connected to an ignition support, the ignition support is connected to an ignition needle and a thermocouple, the ignition needle and the thermocouple are oppositely disposed on two sides of the main combustion pipe, and the main combustion pipe is provided with a plurality of fire transfer holes corresponding to the ignition needle.
According to some embodiments of the first aspect of the present invention, an air inlet slot is arranged at the end of the main combustion pipe, a rotatable air adjusting cap is connected to the end of the main combustion pipe, and the air adjusting cap is provided with a shielding piece matched with the air inlet slot.
An oven according to an embodiment of the second aspect of the invention has a burner as described above. The method has the following beneficial effects: a row of combustion holes and a row of fire stabilizing holes are respectively arranged on two sides of the combustor, so that the stability of flame is improved, and the risk of flame extinction is reduced; the combustion hole comprises a plurality of square fire holes and a plurality of circular fire holes which are arranged in a staggered mode, so that the stability of combustion is improved, the heat load is favorably improved, the oven is heated more quickly, the cooking time can be reduced, and different requirements of people are met.
According to some embodiments of the second aspect of the present invention, the gas burner further comprises a gas nozzle, a nozzle of the gas nozzle extends into the main combustion pipe, the main combustion pipe is fixedly connected with a fixing bracket, and the fixing bracket is fixedly connected with the gas nozzle.
According to some embodiments of the second aspect of the present invention, at least two screw mounting holes are formed in the fixing bracket, and a screw is formed in the gas nozzle, and the screw is installed in cooperation with the screw mounting hole to fix the main combustion pipe, so that the main combustion pipe and the nozzle are arranged concentrically, uniformity of gas distribution is improved, and uniformity of oven heating is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic block diagram of some embodiments of the first aspect of the present invention;
FIGS. 2 and 3 are schematic exploded views of some embodiments of the first aspect of the present invention;
FIG. 4 is a cross-sectional view of some embodiments of the first aspect of the present invention;
FIG. 5 is a schematic structural view of a primary burner tube in some embodiments of the first aspect of the present invention;
FIG. 6 is a schematic structural diagram of some embodiments of the second aspect of the present invention;
FIG. 7 is a schematic view of a burner attachment gas nozzle in accordance with certain embodiments of the second aspect of the present invention.
The reference numbers are as follows:
the ignition device comprises a main combustion pipe 100, an air inlet end 101, a Venturi tube 102, a circular pipe 103, an ignition bracket 104, screws 105, a mounting plate 106, combustion holes 110, square fire holes 111, circular fire holes 112, fire stabilizing holes 120, ignition needles 130, thermocouples 140, fire transfer holes 150, an air inlet groove 160, a fixing bracket 170 and screw mounting holes 171;
a radiation plate 200;
a flame stabilizing plate 300, a flame stabilizing sheet 310;
the wind adjusting cap 400, the shielding piece 410 and the straight groove 420;
a burner 600.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The combustor that current gas oven adopted has following defect: 1. the tubular burner mostly adopts a circular fire hole, the design heat load is not high, the higher heat load requires the circular fire hole to be provided with a larger aperture, abnormal conditions such as flame leaving and yellow flame can occur under the working condition of higher heat load, and the heating effect is influenced; 2. the tubular burner generally has only one row of burning holes, the flame stability is low, and the phenomena of flame separation and even flame extinction are easy to occur.
To this end, referring to fig. 1 to 3, a burner 600 according to an embodiment of the first aspect of the present invention, for an oven 500, includes: the main combustion pipe 100 comprises an air inlet 101, a venturi tube 102 and a circular pipe 103, wherein a row of combustion holes 110 and a row of fire stabilizing holes 120 are respectively arranged on two sides of the circular pipe 103 along the axial direction, the row of fire stabilizing holes are positioned below the combustion holes 110, and the combustion holes 110 comprise a plurality of square fire holes 111 and a plurality of circular fire holes 112 which are arranged in a staggered manner; a radiation plate 200 connected to an upper side of the main combustion pipe 100; a flame stabilizing plate 300 connected to a lower side of the main combustion pipe 100; wherein, the radiant panel 200 is located above the combustion hole 110, two sides of the flame stabilizing panel 300 are respectively provided with a flame stabilizing piece 310, a gap is formed between the flame stabilizing piece 310 and the main combustion pipe 100, and the flame stabilizing hole 120 is arranged in the gap.
When heating, the row of combustion holes 110 and the row of fire stabilizing holes 120 on both sides of the main combustion pipe 100 simultaneously spray flames, because the fire stabilizing holes 120 are positioned in a gap between the fire stabilizing sheet 310 and the main combustion pipe 100, the combustion holes 110 are above the fire stabilizing holes 120, the flames sprayed from the fire stabilizing holes 120 are transmitted to the combustion holes 110 through the fire stabilizing sheet 310, the flames of the combustion holes 110 are ensured to be stable, extinguishing is prevented, and the two flames are overlapped, so that the heating speed is increased; the combustion holes 110 are composed of a plurality of square fire holes 111 and a plurality of round fire holes 112 which are arranged in a staggered manner, so that the stability of combustion is improved, and the improvement of heat load is facilitated. Here, it is understood that the square fire holes 111 and the circular fire holes 112 are staggered, including but not limited to a circular arrangement of one square fire hole 111 plus one circular fire hole 112, a circular arrangement of two square fire holes 111 plus two circular fire holes 112, a circular arrangement of one square fire hole 111 plus two circular fire holes 112, and the like. To the circular port, improve along with heat load, the fire hole unit intensity (or the area) that corresponds just needs the increase, circular port increase radius, then cause the tempering easily (i.e. flame contraction in the combustion tube the inside), lead to easily leaving abnormal conditions such as flame, yellow flame, consequently, adopt the form of a plurality of square fire holes 111 and a plurality of circular fire holes 112 staggered arrangement, and the edge distance center of square fire hole 111 is nearer, flame depends on easily, flame stability is better, can increase square fire hole 111's area, improve heat load.
It can be understood that the radiation plate 200 is fixed above the main combustion pipe 100 by welding or screws, the radiation plate 200 covers the flame, and then the heat is transferred to the inside of the oven 500, and the heating uniformity is good. Referring to fig. 2 and 3, the cross section of the flame stabilizing plate 300 is semicircular and matches the shape of the circular tube 103, the flame stabilizing plate 300 is fixed on the lower side of the circular tube 103 by welding, a space is reserved between the flame stabilizing plate 300 and the circular tube 103 to form a gap, the flame sprayed from the flame stabilizing holes 120 is limited by the flame stabilizing sheet 310, and the flame is upward directed and can be used for igniting the flame of the combustion holes 110, and simultaneously the flame of the combustion holes 110 is not easy to extinguish.
Referring to fig. 5, according to some embodiments of the first aspect of the present invention, the plurality of square fire holes 111 and the plurality of circular fire holes 112 are arranged in an equidistant staggered manner, so that the flames of the respective combustion holes 110 have enough space, do not affect each other, are uniformly arranged, and are beneficial to improving the heating uniformity of the oven 500.
Referring to fig. 5, according to some embodiments of the first aspect of the present invention, the distance between two adjacent fire stabilizing holes 120 is greater than the distance between two adjacent combustion holes 110, the area of the flame is enlarged because the flame emitted from the fire stabilizing holes 120 is refracted by the fire stabilizing sheet 310, and the auxiliary heat is provided by the fire stabilizing holes 120, so that the number of fire stabilizing holes 120 is reduced and the distance is increased.
Referring to fig. 5, according to some embodiments of the first aspect of the present invention, the square fire hole 111 is rectangular, and the short side of the rectangle is parallel to the axial direction of the main burner tube. Considering that the radiation plate 200 is located above the square fire holes 111 and the flame is naturally upward, the short side of the square fire hole 111 with the rectangular cross section is arranged above and close to the radiation plate 200, the attachment of the flame is facilitated by the short side above and the upper parts of the long sides at both sides, and the stability of combustion is improved.
Referring to fig. 4, according to some embodiments of the first aspect of the present invention, the combustion holes 110 on both sides of the main combustion pipe 100 are symmetrically arranged, that is, two combustion holes 110 on the same cross-section of the main combustion pipe 100 are symmetrically arranged, so that the flames on both sides of the main combustion pipe 100 are substantially consistent, which helps to improve the uniformity of heating of the oven 500.
According to some embodiments of the first aspect of the present invention, an ignition bracket 104 is connected to the main combustion pipe 100, an ignition pin 130 and a thermocouple 140 are connected to the ignition bracket 104, the ignition pin 130 and the thermocouple 140 are oppositely disposed at both sides of the main combustion pipe 100, the main combustion pipe 100 is provided with a plurality of fire transfer holes 150 corresponding to the ignition pin 130, and the plurality of fire transfer holes 150 are disposed along a circumferential direction of the main combustion pipe 100 and are adjacent to the combustion holes 110. When the burner is ignited, the ignition needle 130 is used for ignition in a matching way to ignite the gas sprayed out of the fire transfer holes 150, then the flame of the plurality of fire transfer holes 150 ignites the gas sprayed out of the stable fire holes 120 and the combustion holes 110, and the plurality of fire transfer holes 150 ensure smooth ignition.
According to some embodiments of the first aspect of the present invention, the end of the main combustion pipe 100 is provided with an air inlet slot 160, the end of the main combustion pipe 100 is connected with a rotatable air adjusting cap 400, the air adjusting cap 400 is in a sleeve shape and is sleeved on the end of the main combustion pipe 100, the air adjusting cap 400 is provided with a shielding piece 410 matched with the air inlet slot 160, and the opening degree of the air inlet slot 160 can be adjusted by rotating the air adjusting cap 400 to change the area of the shielding piece 410 shielding the air inlet slot 160, so as to adjust the air inlet amount, and thus adjust the flame of the burner 600. It can be understood that, in order to define the rotation range of the wind adjustment cap 400, one screw 105 is fixed on the main combustion pipe 100, and the wind adjustment cap 400 is provided with a straight groove 420, and the screw 105 is clamped in the straight groove 420, so as to define the rotation range of the wind adjustment cap 400, avoid misoperation, facilitate the use, protect the wind adjustment cap 400, and improve the service life of the wind adjustment cap 400.
Referring to fig. 7, an oven 500 according to a second aspect embodiment of the present invention has a burner 600 as described above. Because the burner 600 is provided with the array of the burning holes 110 and the array of the fire stabilizing holes 120, the stability of flame is improved, and the risk of flame extinction is reduced; the combustion holes 110 are composed of a plurality of square fire holes 111 and a plurality of circular fire holes 112 which are arranged in a staggered manner, so that the combustion stability is improved, the heat load is improved, the oven 500 is heated more quickly, the cooking time can be reduced, and different requirements of people are met.
Referring to fig. 6, according to some embodiments of the second aspect of the present invention, the oven 500 has a gas spray pipe 510, a nozzle 511 of the gas spray pipe 510 passes through the damper cap 400 and protrudes into the main combustion pipe 100 to supply gas to the burner 600, a fixing bracket 170 is fixedly coupled to the main combustion pipe 100, and the fixing bracket 170 is fixedly coupled to the gas spray pipe 510. The main combustion pipe 100 is fixed with the gas nozzle 510 through the fixing bracket 170, so that the nozzle 511 and the main combustion pipe 100 are concentrically arranged and the relative position is fixed, the phenomena of unilateral yellow flame, uneven heating and the like caused by the deviation of the nozzle 511 from the center of the combustion pipe 100 are prevented, and the use stability of the oven 500 is improved.
Referring to fig. 6, according to some embodiments of the second aspect of the present invention, the fixing bracket 170 is welded and fixed on the main combustion pipe 100, at least two screw mounting holes 171 are provided on the fixing bracket 170, wherein two screw mounting holes 171 are preferred, two corresponding bolts 512 are provided on the gas nozzle 510, the bolts 512 pass through the screw mounting holes 171 and are connected with nuts to fix the main combustion pipe 100, the main combustion pipe 100 and the nozzle 511 are concentrically arranged, the uniformity of gas distribution is improved, the uniformity of heating of the oven 500 is improved, the two screw mounting holes 171 and the two bolts 512 are cooperatively mounted to prevent the burner 600 from rotating, and the accurate orientation of the radiant panel 200 can be ensured. It can be understood that the fixing bracket 170 and the gas nozzle 510 may also be connected in other manners, such as a tongue-in-groove fit with a socket, a block-in-groove fit with a slot, and the like, which all serve to fix the connection. The other end of the combustion tube 100 away from the nozzle 511 is provided with a mounting plate 106, and the mounting plate 106 is fixed to the oven 500 through screws, so that the burner 600 is fixed in position and reliable in use.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404615.XA CN111035273B (en) | 2019-12-31 | 2019-12-31 | Burners and ovens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404615.XA CN111035273B (en) | 2019-12-31 | 2019-12-31 | Burners and ovens |
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| Publication Number | Publication Date |
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| CN111035273A true CN111035273A (en) | 2020-04-21 |
| CN111035273B CN111035273B (en) | 2025-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911404615.XA Active CN111035273B (en) | 2019-12-31 | 2019-12-31 | Burners and ovens |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028399A (en) * | 2021-04-01 | 2021-06-25 | 广东美的厨房电器制造有限公司 | Burner system and gas furnace |
| CN114017774A (en) * | 2021-11-12 | 2022-02-08 | 广东美的厨房电器制造有限公司 | Burners and Cooking Appliances |
| CN114688530A (en) * | 2020-12-31 | 2022-07-01 | 广东美的厨房电器制造有限公司 | Burner device and cooking apparatus |
| CN116327010A (en) * | 2023-03-28 | 2023-06-27 | 芜湖美的智能厨电制造有限公司 | Ovens and Ovens |
| US12313256B2 (en) | 2020-09-10 | 2025-05-27 | Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. | Combustion device and cooking apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US12313256B2 (en) | 2020-09-10 | 2025-05-27 | Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. | Combustion device and cooking apparatus |
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| CN116327010A (en) * | 2023-03-28 | 2023-06-27 | 芜湖美的智能厨电制造有限公司 | Ovens and Ovens |
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| CN111035273B (en) | 2025-03-11 |
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