CN112032716A - Upper air inlet burner - Google Patents

Upper air inlet burner Download PDF

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Publication number
CN112032716A
CN112032716A CN202010948466.XA CN202010948466A CN112032716A CN 112032716 A CN112032716 A CN 112032716A CN 202010948466 A CN202010948466 A CN 202010948466A CN 112032716 A CN112032716 A CN 112032716A
Authority
CN
China
Prior art keywords
outer ring
air
fire cover
mixing chamber
burner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010948466.XA
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Chinese (zh)
Other versions
CN112032716B (en
Inventor
杨杰
陈迪龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fotile Kitchen Ware Co Ltd
Original Assignee
Ningbo Fotile Kitchen Ware Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Fotile Kitchen Ware Co Ltd filed Critical Ningbo Fotile Kitchen Ware Co Ltd
Priority to CN202010948466.XA priority Critical patent/CN112032716B/en
Publication of CN112032716A publication Critical patent/CN112032716A/en
Application granted granted Critical
Publication of CN112032716B publication Critical patent/CN112032716B/en
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Anticipated expiration legal-status Critical

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/48—Nozzles
    • F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/74—Preventing flame lift-off
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/82—Preventing flashback or blowback
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/84—Flame spreading or otherwise shaping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/08—Arrangement or mounting of burners
    • F24C3/085—Arrangement or mounting of burners on ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/007—Mixing tubes, air supply regulation

Abstract

The invention discloses an upper air inlet burner which comprises an outer ring air mixing chamber and two outer ring ejection pipes, wherein the air outlet ends of the two outer ring ejection pipes are communicated with the outer ring air mixing chamber, the two air outlet ends are oppositely arranged in the outer ring air mixing chamber, a partition plate is arranged in the outer ring air mixing chamber, the extending direction of the partition plate between the two air outlet ends is not perpendicular to the direction of the two air outlet ends, the partition plate divides the outer ring air mixing chamber into two chambers which are not communicated with each other, and the air outlet ends are respectively communicated with the corresponding chambers. In this scheme, set up between two gas outlet ends that feed to this outer loop gas mixing chamber with the baffle of gas outlet end orientation out of plumb to utilize the baffle to separate into two relatively independent cavities with the outer loop gas mixing chamber of last air inlet burner, make two gas outlet ends of outer loop gas mixing chamber feed to respectively in these two cavities, make two gas outlet ends can carry the gas to two cavities that separate each other.

Description

Upper air inlet burner
Technical Field
The invention relates to an upper air inlet burner.
Background
The traditional lower air inlet type stove burner has the advantages of high heat load and large firepower. However, since the air supply to the lower air inlet type burner is performed in the cabinet, the air supply is insufficient, and the problems of insufficient combustion, yellow flame, and high carbon monoxide concentration are caused. Therefore, an upper air inlet type stove burner is produced to solve the problem of insufficient air supplement.
However, the upper air inlet burner is short in ejector pipe, so that the ejector capacity is insufficient due to the fact that a contraction section and an expansion section in the traditional sense do not exist, and at least two ejector pipes are generally arranged to improve the combustion load of the burner. And two exits of drawing the ejector pipe can not produce danger for not influencing user's normal use, then set to subtend usually, this just leads to two export spun mixed gas can produce the offset in a position department of mixing the gas chamber, leads to the pressure here great, and the gas tolerance is great, and the fire hole department of here fire lid probably takes place to leave the flame, and the fire hole of keeping away from here appears the tempering phenomenon again.
Disclosure of Invention
The invention aims to solve the technical problem of providing an upper air inlet burner in order to overcome the defect that the combustion state at a fire hole is unstable due to relative outlets of an injection pipe of the upper air inlet burner in the prior art.
The invention solves the technical problems through the following technical scheme:
the upper air inlet burner comprises an outer ring air mixing chamber and two outer ring injection pipes, wherein the air outlet ends of the two outer ring injection pipes are communicated with the outer ring air mixing chamber, the two air outlet ends are oppositely arranged in the outer ring air mixing chamber, a partition plate is arranged in the outer ring air mixing chamber, the extending direction of the partition plate between the two air outlet ends is not perpendicular to the direction of the two air outlet ends, the partition plate divides the outer ring air mixing chamber into two cavities which are not communicated with each other, and the air outlet ends are communicated to the corresponding cavities respectively.
In this scheme, set up between two gas outlet ends that feed to this outer loop gas mixing chamber with the baffle of gas outlet end orientation out of plumb to utilize the baffle to separate into two relatively independent cavities with the outer loop gas mixing chamber of last air inlet burner, make two gas outlet ends of outer loop gas mixing chamber feed to respectively in these two cavities, make two gas outlet ends can carry the gas to two cavities that separate each other. Meanwhile, the normal flow of the fuel gas at the gas outlet end is prevented from being influenced by the partition plate for separating, the fuel gas pressure of the whole outer ring gas mixing chamber is effectively equalized, and the flame leaving phenomenon caused by overlarge local pressure or the tempering phenomenon caused by undersize local pressure is avoided.
Preferably, the extension direction of the baffle plate close to the air outlet end and the included angle range of the orientation direction of the corresponding air outlet end are 0-45 degrees, so that the gas at the air outlet end is prevented from being shielded by the baffle plate when flowing out, and the flow rate of the gas is prevented from being influenced.
Preferably, the outer ring air mixing chamber is annular, and the partition plate is arranged around the outer ring air mixing chamber.
In this scheme, through above-mentioned structure setting, can reduce the baffle and divide into two cavities with the outer loop gas mixing chamber after, to the influence that the normal flow of gas produced.
Preferably, the upper air inlet burner comprises an outer ring base and an outer ring fire cover, the upper portion of the outer ring base is open, the outer ring fire cover covers the open portion of the outer ring base, and the outer ring base and the outer ring fire cover together form the outer ring air mixing chamber.
This scheme sets up through above-mentioned structure to provide a preferred implementation structure scheme who forms outer loop gas mixing chamber, in this scheme, outer loop fire lid can be taken off relative outer loop base, so that clean the outer loop gas mixing chamber of inside.
Preferably, the outer ring fire cover comprises a first fire hole and a second fire hole, and the first fire hole and the second fire hole are respectively communicated to the two cavities which are not communicated with each other.
Preferably, the first fire hole and the second fire hole are respectively disposed on different sides of the fire cover.
In this scheme, through above-mentioned structure setting, carry the gas in two cavities respectively to the fire hole that is located different sides, avoid the fire hole interact of the different cavities of intercommunication, improve flame's combustion stability.
Preferably, the upper surface of the outer ring fire cover is provided with air guide grooves, and the air guide grooves respectively extend to the inner side surface and the outer side surface of the outer ring fire cover along the radial direction of the outer ring fire cover.
In this scheme, through above-mentioned structural setting, can be better with the leading-in inner ring of outside secondary air and the outer loop between regional, improve the air quantity that is located the inboard region of outer ring fire lid.
Preferably, the outer ring fire cover further comprises a plurality of third fire holes, and the plurality of third fire holes are arranged in the air guide groove and are sequentially arranged from the inner side surface of the outer ring fire cover to the outer side surface of the outer ring fire cover along the radial direction of the outer ring fire cover.
In this scheme, through above-mentioned structure setting, the indent space that utilizes the air guide groove sets up the third fire hole for the flame that is located the inboard of outer loop fire lid is transmitted to the outside of outer loop fire lid through the third fire hole. Preferably, the partition plate is formed on an upper side surface of the outer ring base to facilitate cleaning of the partition plate when the outer ring fire cover is removed with respect to the outer ring base.
Preferably, the lower surface of the fire cover is provided with an auxiliary sealing plate, and when the outer ring fire cover covers the outer ring base, the auxiliary sealing plate is in contact with the partition plate along the vertical direction, so that the partition plate can partition the outer ring gas mixing chamber.
Preferably, the auxiliary sealing plate and the partition plate are arranged in a staggered manner.
Through the contact of arranging that is the staggered tooth form between auxiliary seal board and the baffle, make things convenient for outer loop fire lid accuracy to install on outer loop base, realize accurate location, prevent slow-witted purpose.
Preferably, the two outer ring injection pipes are formed on the lower side surface of the outer ring base.
The positive progress effects of the invention are as follows:
this last air inlet burner sets up the baffle with the air outlet end orientation out of plumb between two air outlet ends of this outer loop air-mixing chamber to utilize the baffle to separate into two relatively independent cavities with the outer loop air-mixing chamber of last air inlet burner, make two air outlet ends of outer loop air-mixing chamber communicate respectively to these two cavities in, make two air outlet ends can carry the gas to two cavities that separate each other. Meanwhile, the normal flow of the fuel gas at the gas outlet end is prevented from being influenced by the partition plate for separating, the fuel gas pressure of the whole outer ring gas mixing chamber is effectively equalized, and the flame leaving phenomenon caused by overlarge local pressure or the tempering phenomenon caused by undersize local pressure is avoided.
Drawings
Fig. 1 is a schematic view of the structure of an upper intake burner according to an embodiment of the present invention.
Fig. 2 is an exploded view of an upper intake burner in accordance with one embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an outer ring base according to an embodiment of the present invention.
Fig. 4 is a partially enlarged view of a portion C in fig. 3.
Fig. 5 is a structural schematic view (i) of an outer ring fire cover according to an embodiment of the present invention.
Fig. 6 is a structural schematic view (two) of an outer ring fire cover according to an embodiment of the present invention.
Description of reference numerals:
outer ring base 1, partition 11
Outer ring fire cover 2
A first fire hole 21, a second fire hole 22, a third fire hole 23, a gas guide groove 24, and an auxiliary sealing plate 25
An outer ring injection pipe 3 and an air outlet end 3a
Outer ring gas mixing chamber 4, chamber 4a
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1, the present invention provides an upper intake burner comprising an outer ring base 1 and an outer ring fire cover 2. As shown in fig. 2 and fig. 3, the upper part of the outer ring base 1 is open, the outer ring fire cover 2 covers the open part of the outer ring base 1, and the inner parts of the outer ring base 1 and the outer ring fire cover 2 together form an outer ring air mixing chamber 4. This upper air inlet burner still draws penetrating pipe 3 including setting up two outer rings at outer ring base 1 downside surface department, two outer rings draw the gas outlet end 3a that penetrates pipe 3 all to communicate to outer ring gas mixing chamber 4, two gas outlet ends 3a set up in outer ring gas mixing chamber 4 in opposite directions, baffle 11 has in the outer ring gas mixing chamber 4, baffle 11 sets up the upside surface at outer ring base 1, baffle 11 is the orientation direction of two gas outlet ends 3a of all non-perpendicular to in the extending direction between two gas outlet ends 3a, baffle 11 separates outer ring gas mixing chamber 4 for two cavities 4a that do not communicate each other, gas outlet end 3a communicates to in the cavity 4a that corresponds respectively.
In this embodiment, the upper air inlet burner is provided with a partition plate 11 which is not perpendicular to the direction of the air outlet end 3a between the two air outlet ends 3a communicated to the outer ring air mixing chamber 4, and the outer ring air mixing chamber 4 of the upper air inlet burner is divided into two relatively independent chambers 4a by the partition plate 11, so that the two air outlet ends 3a of the outer ring air mixing chamber 4 are respectively communicated to the two chambers 4a, and the two air outlet ends 3a can convey gas to the two chambers 4a which are separated from each other. Meanwhile, the normal flow of the gas at the gas outlet end 3a is prevented from being influenced by the partition plate 11 for separating, so that the gas pressure of the whole outer ring gas mixing chamber 4 is effectively uniform, and the flame leaving phenomenon caused by overlarge local pressure or the tempering phenomenon caused by undersize local pressure is avoided.
In addition, in this kind of arrangement, the gas outlets that two outer rings penetrated pipe 3 and can not influence each other, consequently need not to penetrate the distance far away between two gas outlets like prior art for in limited space, two outer rings penetrated pipe 3 and can rationally be arranged as far as, make the outer ring penetrate pipe 3 and reach required length, and then satisfy the high thermal load ratio requirement of outer ring thermal load ratio inner ring thermal load.
As shown in fig. 4, an included angle between the extending direction a of the partition plate 11 near the gas outlet end 3a and the facing direction B of the corresponding gas outlet end 3a cannot be too large, so as to avoid the influence on the gas flow rate caused by the shielding of the partition plate 11 when the gas at the gas outlet end 3a flows out. In this embodiment, the two air outlet ends 3a are respectively arranged on two sides of the partition board 11 in parallel, and by this arrangement, the included angle between the extending direction a of the partition board 11 and the facing direction B of the air outlet ends 3a can be very small, for example, close to 0 ° in this embodiment.
Of course, in other embodiments, under the condition that the layout of the gas outlet end 3a in the outer ring gas mixing chamber 4 is convenient, the included angle between the extending direction a of the partition plate 11 and the direction B of the gas outlet end 3a should be controlled within a range of 45 degrees or less, so that the normal flow of the gas at the gas outlet end 3a is prevented from being influenced by the arrangement of the partition plate 11.
In this embodiment, as shown in fig. 2 and 3, the outer ring gas mixing chamber 4 is annular, the partition plate 11 corresponds to the outer ring gas mixing chamber 4, surrounds the outer ring gas mixing chamber 4, is concentrically arranged with the outer ring gas mixing chamber 4, and extends along the length direction of the outer ring gas mixing chamber 4, so as to separate the whole outer ring gas mixing chamber 4 into an inner concentric circle-shaped chamber 4a and an outer concentric circle-shaped chamber 4a, which is convenient for the gas of the two outer ring injection pipes 3 to flow in the circumferential direction in the two chambers 4a, and reduces the adverse effect of the arrangement of the partition plate 11 on the gas flow. For a single outer ring injection pipe 3, the structural arrangement can reduce the influence on the normal flow of the fuel gas after the outer ring gas mixing chamber 4 is divided into two chambers 4 a.
As shown in fig. 2, the outer ring fire cover 2 has two types of fire holes, i.e., a first fire hole 21 and a second fire hole 22, the first fire hole 21 is communicated with the chamber 4a located at the inner side, and the second fire hole 22 is communicated with the chamber 4a located at the outer side. Accordingly, correspondingly, the first fire holes 21 are located inside the outer ring fire cover 2 with flames burning toward the inside, and the second fire holes 22 are located outside the outer ring fire cover 2 with flames burning toward the outside. Through this kind of structure setting, carry the gas in two cavities 4a respectively to the fire hole that is located different sides, avoid the fire hole interact of the different cavities 4a of intercommunication, improve the combustion stability of flame.
As shown in fig. 2 and 5, four air guide grooves 24 are provided on the upper surface of the outer ring fire cover 2, the air guide grooves 24 extend to the inner side surface and the outer side surface of the outer ring fire cover 2 along the radial direction of the outer ring fire cover 2, respectively, and the four air guide grooves 24 are uniformly arranged along the circumferential direction of the outer ring fire cover 2, respectively. By providing the air guide groove 24, the capability of guiding the secondary air from the outside to the inner side of the outer ring fire cover 2 can be increased, so that the external secondary air can be better guided into the area between the inner ring and the outer ring, and the air quantity in the area on the inner side of the outer ring fire cover 2 is improved. In the present embodiment, the cross-sectional shape of the air guide groove 24 is an inverted trapezoid, but in other embodiments, the air guide groove 24 may have other shapes to achieve the same purpose of increasing the inflow of the secondary air from above the outer ring fire cover 2 to the inside of the outer ring fire cover 2.
In addition, the outer ring fire cover 2 further includes a plurality of third fire holes 23, and these third fire holes 23 are provided in the air guide groove 24 and arranged in order from the inner side surface to the outer side surface of the outer ring fire cover 2 in the radial direction of the outer ring fire cover 2. Through the above-mentioned structural arrangement, the third fire hole 23 is provided by using the concave space of the air guide groove 24, so that the flame located at the inner side of the outer ring fire cover 2 is transmitted to the outer side of the outer ring fire cover 2 through the third fire hole 23.
In the present embodiment, as shown in fig. 5, the third fire holes 23 are provided on the side wall surfaces of the air guide grooves 24, and the third fire holes 23 are provided on both side surfaces of a single air guide groove 24.
Preferably, as shown in fig. 6, the lower side surface of the fire cover further has an auxiliary sealing plate 25, the auxiliary sealing plate 25 is disposed corresponding to the air guide groove 24, when the outer ring fire cover 2 covers the outer ring base 1, the auxiliary sealing plate 25 contacts with the partition plate 11 along the vertical direction to achieve the purpose of common sealing and separating the outer ring air mixing chamber 4 into two chambers 4a which are not communicated with each other, wherein the auxiliary sealing plate 25 is not completely flush on the outer ring fire cover 2, but utilizes the concave structure of the air guide groove 24 to form a convex structure on the inner side of the outer ring fire cover 2, and correspondingly, the upper surface of the partition plate 11 also has a concave structure corresponding to the convex structure of the auxiliary sealing plate 25, and the outer ring fire cover 2 is conveniently and accurately mounted on the outer ring base 1 by the staggered-tooth arrangement contact between the auxiliary sealing plate 25 and the partition plate 11, so as to achieve accurate positioning, The purpose of fool-proofing is achieved. Meanwhile, the staggered teeth are arranged, so that the baffle plate 11 can better and more conveniently separate the outer ring air mixing chamber 4.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (12)

1. The upper air inlet burner is characterized in that a partition plate is arranged in the outer ring air mixing chamber, the extending direction of the partition plate between the two air outlet ends is not perpendicular to the direction of the two air outlet ends, the partition plate divides the outer ring air mixing chamber into two cavities which are not communicated with each other, and the air outlet ends are respectively communicated to the corresponding cavities.
2. The upper inlet air burner of claim 1 wherein the direction of extension of the baffle proximate the outlet end is at an angle in the range of 0 ° to 45 ° to the direction of the corresponding outlet end.
3. The upper inlet plenum as recited in claim 1 wherein said outer ring plenum is annular and said baffle is disposed around said outer ring plenum.
4. The upper inlet air burner as claimed in claim 1, wherein the upper inlet air burner includes an outer ring base and an outer ring fire cover, an upper portion of the outer ring base is open, the outer ring fire cover covers the open portion of the outer ring base, and the outer ring base and the outer ring fire cover together form the outer ring gas mixing chamber.
5. The upper intake air burner of claim 4, wherein the outer ring fire cover includes a first fire hole and a second fire hole, the first fire hole and the second fire hole being respectively communicated to the two chambers which are not communicated with each other.
6. The upper intake burner of claim 5, wherein the first fire hole and the second fire hole are respectively provided on different sides of the fire cover.
7. The upper intake burner of claim 6, wherein the upper surface of the outer ring fire cover has air guide grooves extending to the inner side surface and the outer side surface of the outer ring fire cover in a radial direction of the outer ring fire cover, respectively.
8. The upper intake burner of claim 7, wherein the outer ring fire cover further comprises a plurality of third fire holes provided in the air guide groove and arranged in order from an inner side surface of the outer ring fire cover to an outer side surface of the outer ring fire cover in a radial direction of the outer ring fire cover.
9. The upper inlet air burner of claim 4, wherein the baffle is formed on an upper side surface of the outer ring base.
10. The upper inlet burner of claim 9, wherein the lower side surface of the fire cover has a secondary sealing plate which is in contact with the partition in a vertical direction when the outer ring fire cover is fitted to the outer ring base.
11. The upper inlet air burner of claim 10 wherein the secondary seal plate is staggered from the baffle plate.
12. The upper inlet air burner as claimed in claim 4, wherein two outer ring injection pipes are formed on a lower surface of the outer ring base.
CN202010948466.XA 2020-09-10 2020-09-10 Upper air inlet burner Active CN112032716B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010948466.XA CN112032716B (en) 2020-09-10 2020-09-10 Upper air inlet burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010948466.XA CN112032716B (en) 2020-09-10 2020-09-10 Upper air inlet burner

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Publication Number Publication Date
CN112032716A true CN112032716A (en) 2020-12-04
CN112032716B CN112032716B (en) 2021-08-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010948466.XA Active CN112032716B (en) 2020-09-10 2020-09-10 Upper air inlet burner

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CN (1) CN112032716B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1151328A (en) * 1997-07-28 1999-02-26 Noritz Corp Thick and thin type gas burner
CN2720272Y (en) * 2004-05-21 2005-08-24 谢金光 Efficient energy-saving preheating gas-supplying burning nozzle assembly of gas range
CN210861084U (en) * 2019-05-09 2020-06-26 宁波方太厨具有限公司 Upper air inlet burner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1151328A (en) * 1997-07-28 1999-02-26 Noritz Corp Thick and thin type gas burner
CN2720272Y (en) * 2004-05-21 2005-08-24 谢金光 Efficient energy-saving preheating gas-supplying burning nozzle assembly of gas range
CN210861084U (en) * 2019-05-09 2020-06-26 宁波方太厨具有限公司 Upper air inlet burner

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CN112032716B (en) 2021-08-20

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