CN116293667A - Combustor with inclined high-low staggered fire hole plates - Google Patents
Combustor with inclined high-low staggered fire hole plates Download PDFInfo
- Publication number
- CN116293667A CN116293667A CN202310363319.XA CN202310363319A CN116293667A CN 116293667 A CN116293667 A CN 116293667A CN 202310363319 A CN202310363319 A CN 202310363319A CN 116293667 A CN116293667 A CN 116293667A
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- Prior art keywords
- fire hole
- fire
- low
- holes
- burner
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- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 33
- 238000002485 combustion reaction Methods 0.000 abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a combustor with staggered fire hole plates with inclined height, which comprises a fire hole plate, wherein a distribution cavity is fixedly connected to the bottom surface of the fire hole plate, and the bottom end of the distribution cavity is communicated with a mixing cavity; the fire hole plate is provided with two rows of parallel fire hole mechanisms, each fire hole mechanism comprises a plurality of high fire hole groups and low fire hole groups which are alternately arranged, any high fire hole group in any fire hole mechanism and any low fire hole group in the other fire hole mechanism are positioned in the same cross section, and the plurality of high fire hole groups and the plurality of low fire hole groups are communicated with the distribution cavity; the high fire hole groups in the two fire hole mechanisms are respectively arranged downwards in an inclined manner towards the two sides of the fire hole plate, so that the invention can effectively reduce the generation of nitrogen oxides, is beneficial to full combustion, reduces carbon monoxide emission and prevents the heat exchanger above the burner from being overheated.
Description
Technical Field
The invention belongs to the technical field of burners, and particularly relates to a burner with inclined high-low staggered fire hole plates.
Background
Along with the popularization of the gas hanging stove, when the gas hanging stove is applied, the fossil fuel is burnt at high temperature to generate nitrogen oxides, and the nitrogen oxides are used as harmful gases which pollute the environment and harm the health, so that the emission of the nitrogen oxides is of great significance. The burner in the gas wall-mounted furnace is a part for spraying fuel and air in a certain mode for mixed combustion, and nitrogen oxide emission can be reduced by reasonably arranging the burner structure. The fire hole plate of the existing gas wall-mounted furnace burner is a plane, mixed gas of gas and air enters the combustion chamber from the fire hole, secondary air enters the combustion chamber from the two fire rows, a high-temperature combustion surface is formed by combustion in the combustion chamber, nitrogen near the high-temperature combustion surface area is easily oxidized, harmful nitrogen oxide gas is generated, carbon monoxide gas is not fully and easily generated in the combustion process, and in addition, the heat exchanger above the burner is overheated due to overlong flame length.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a burner with staggered fire hole plates with inclined height, which aims to solve or improve at least one of the above technical problems.
In order to achieve the purpose, the invention provides a combustor with staggered fire hole plates with inclined heights, which comprises the fire hole plates, wherein the bottom surfaces of the fire hole plates are fixedly connected with distribution cavities, and the bottom ends of the distribution cavities are communicated with mixing cavities;
the fire hole plate is provided with two parallel fire hole mechanisms, each fire hole mechanism comprises a plurality of high fire hole groups and low fire hole groups which are alternately arranged, any high fire hole group in any fire hole mechanism and any low fire hole group in the other fire hole mechanism are positioned in the same cross section, and the plurality of high fire hole groups and the plurality of low fire hole groups are communicated with the distribution cavity;
and a plurality of high fire hole groups in the two fire hole mechanisms are respectively arranged to incline downwards towards the two sides of the fire hole plate.
Preferably, the low fire hole group is composed of a plurality of first fire holes, the first fire holes are formed in the fire hole plate at equal intervals, and the first fire holes are communicated with the distribution cavity.
Preferably, the high fire hole group comprises inclined blocks, a plurality of second fire holes are formed in the inclined blocks at equal intervals, and the second fire holes are communicated with the distribution cavity.
Preferably, the size of the interval between any two adjacent first fire holes is the same as the size of the interval between any two adjacent second fire holes.
Preferably, the interval between the adjacent first fire holes and the second fire holes is the same as the interval between any adjacent two first fire holes.
Preferably, the first fire hole and the second fire hole have the same size.
Preferably, the top in the distribution cavity is fixedly connected with a flow regulating plate, a plurality of flow regulating holes are formed in the flow regulating plate, and the plurality of flow regulating holes are in one-to-one correspondence with the plurality of first fire holes and the plurality of second fire holes.
Preferably, the distribution cavity is composed of two symmetrically arranged cavities with communicated tops, the number of the mixing cavities is two, and the two mixing cavities are respectively communicated with the bottom ends of the two cavities.
Compared with the prior art, the invention has the following advantages and technical effects:
the gas and the air are mixed through the mixing cavity and are led into the distribution cavity, the high fire hole groups and the low fire hole groups are alternately arranged in staggered mode, so that the height of part of mixed gas entering the combustion chamber is increased, and meanwhile, the high fire hole groups are set to be in an inclined state, so that flames are sprayed to a low-temperature area at the downstream of the secondary air inlet. By the arrangement, on one hand, the whole flame can be dispersed, low-temperature secondary air is more fully utilized, the whole temperature of the combustion chamber is reduced, the effect of effectively reducing the generation of nitrogen oxides is achieved, meanwhile, the flame is sprayed to the secondary air, the mixing between the flame and the secondary air can be enhanced, the combustion is more complete, and the carbon monoxide emission is reduced; on the other hand, on the premise of reducing the aggregation of flames, the length of the flames is reduced, so that the direct contact between the flames and a downstream heat exchanger can be prevented, the overheating of the heat exchanger above the burner is avoided, and the normal operation of the heat exchanger is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a schematic view of the fire hole plate according to the present invention;
FIG. 4 is a schematic structural view of a flow regulating plate according to the present invention;
fig. 5 is a schematic view showing the structure of a fire hole plate in example 2 of the present invention.
In the figure: 1. a fire hole plate; 2. a dispensing chamber; 3. a flow regulating plate; 4. a mixing chamber; 5. a high fire hole group; 6. a low fire hole group; 7. a first fire hole; 8. a sloping block; 9. a second fire hole; 10. and a flow regulating hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
Referring to fig. 1-4, the embodiment provides a burner with staggered fire hole plates with inclined height, which comprises a fire hole plate 1, wherein a distribution cavity 2 is fixedly connected to the bottom surface of the fire hole plate 1, and a mixing cavity 4 is communicated with the bottom end of the distribution cavity 2;
the fire hole plate 1 is provided with two parallel fire hole mechanisms, each fire hole mechanism comprises a plurality of alternately arranged high fire hole groups 5 and low fire hole groups 6, any high fire hole group 5 in any fire hole mechanism and the low fire hole group 6 in the other fire hole mechanism are positioned on the same cross section, and the plurality of high fire hole groups 5 and the plurality of low fire hole groups 6 are communicated with the distribution cavity 2;
the high fire hole groups 5 in the two fire hole mechanisms are respectively arranged obliquely downwards towards the two sides of the fire hole plate 1.
The gas and the air are mixed through the mixing cavity 4 and are led into the distribution cavity 2, the high fire hole groups 5 and the low fire hole groups 6 are alternately arranged in staggered mode, so that the height of part of the mixed gas entering the combustion chamber is increased, and meanwhile, the high fire hole groups 5 are set to be in an inclined state, so that flames are sprayed to a low-temperature area at the downstream of the secondary air inlet. By the arrangement, on one hand, the whole flame can be dispersed, low-temperature secondary air is more fully utilized, the whole temperature of the combustion chamber is reduced, the effect of effectively reducing the generation of nitrogen oxides is achieved, meanwhile, the flame is sprayed to the secondary air, the mixing between the flame and the secondary air can be enhanced, the combustion is more complete, and the carbon monoxide emission is reduced; on the other hand, on the premise of reducing the aggregation of flames, the length of the flames is reduced, so that the direct contact between the flames and a downstream heat exchanger can be prevented, the overheating of the heat exchanger above the burner is avoided, and the normal operation of the heat exchanger is ensured.
Further optimizing scheme, low fire hole group 6 comprises a plurality of first fire hole 7, and a plurality of first fire hole 7 equidistant are seted up on fire hole board 1, and first fire hole 7 and distribution chamber 2 intercommunication, high fire hole group 5 include sloping block 8, and the equidistant a plurality of second fire hole 9 that are equipped with on the sloping block 8, second fire hole 9 and distribution chamber 2 intercommunication.
Thus, the first fire holes 7 and the second fire holes 9 are alternately arranged in staggered mode, so that the whole flame can be dispersed, and the occurrence of gathering flame is reduced.
The top surfaces of a plurality of inclined blocks 8 in the two fire hole mechanisms are respectively inclined downwards along the two sides of the fire hole plate 1, and the included angle between the lowest end of the top surfaces of the inclined blocks 8 and the highest end thereof is preferably 5-20 degrees.
Further optimizing scheme, the interval size between any two adjacent first fire holes 7 is the same as the interval size between any two adjacent second fire holes 9, the interval size between the adjacent first fire holes 7 and the second fire holes 9 is the same as the interval size between any two adjacent first fire holes 7, and the sizes of the first fire holes 7 and the second fire holes 9 are the same.
So, under the prerequisite that second fire hole 9 slope set up, can make flame spray to secondary air entry low temperature district, make full use of overgrate air more, reduce the whole temperature of combustion chamber, reduce nitrogen oxide's formation, and help the burning more abundant, reduce carbon monoxide emission, can draw down flame length simultaneously, guarantee the normal operating of heat exchanger.
In a further optimization scheme, the number of the low fire hole groups 6 and the high fire hole groups 5 in each row of fire hole mechanisms is preferably seven, the number of the first fire holes 7 in the low fire hole groups 6 is preferably six, and the number of the second fire holes 9 in the high fire hole groups 5 is preferably six.
According to a further optimization scheme, the top in the distribution cavity 2 is fixedly connected with a flow regulating plate 3, a plurality of flow regulating holes 10 are formed in the flow regulating plate 3, and the plurality of flow regulating holes 10 are in one-to-one correspondence with the plurality of first fire holes 7 and the plurality of second fire holes 9.
The number of the flow regulating holes 10 is preferably six, each group of the flow regulating holes 10 corresponds to one low fire hole group 6 and one high fire hole group 5 up and down, meanwhile, the width of the flow regulating holes 10 is larger than that of the first fire holes 7 and the second fire holes 9, and the lengths of the flow regulating holes 10 at corresponding positions are prolonged or shortened according to different flow rates of the mixed gas, namely, for the part with higher flow rate, the area of the corresponding first fire holes 7 or the area of the corresponding second fire holes 9 on the flow regulating holes 10 is smaller, and the area of the corresponding first fire holes 7 or the area of the corresponding second fire holes 9 on the part with lower flow rate is larger, so that the distribution condition of the mixed gas can be adjusted, the flow difference between each high fire hole group 5 and each low fire hole group 6 is reduced, the effect of optimizing distribution is achieved, the distribution of the outlets of the first fire holes 7 and the second fire holes 9 is more uniform, the temperature distribution in a combustion chamber is more uniform, the highest temperature in the combustion field is lowered, and the generation of nitrogen oxides is reduced.
Through the combined action of the staggered and alternating first fire holes 7 and second fire holes 9 and the flow regulating holes 10 with different areas on the flow regulating plate 3, the flame can be dispersed and sprayed to the low-temperature area at the downstream of the secondary air inlet, and meanwhile, the temperature distribution in the combustion field is more uniform, so that the effect of reducing nitrogen oxides is achieved.
In a further optimized scheme, the distribution cavity 2 consists of two symmetrically arranged cavities with communicated tops, two mixing cavities 4 are arranged, and the two mixing cavities 4 are respectively communicated with the bottom ends of the two cavities.
In this way, the mixture in the mixing chamber 4 can be distributed more uniformly through the distribution chamber 2 to the respective first and second fire holes 7, 9.
Example 2
Referring to fig. 5, the fire hole plate 1 of the present embodiment is different from embodiment 1 only in that the middle of the fire hole plate 1 is bent inwards, and the structural arrangement can raise flames on both sides, so that the flame surfaces in the whole combustion field tend to be the same plane, and inhibit the flame aggregation in the middle of the combustion chamber, thereby reducing the height of the flame in the middle.
The included angle between the lowest end of the bending surface of the fire hole plate 1 and the two ends of the fire hole plate is preferably 2-8 degrees.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (8)
1. A burner with staggered fire hole plates with inclined height, which is characterized in that: the fire hole plate comprises a fire hole plate (1), wherein a distribution cavity (2) is fixedly connected to the bottom surface of the fire hole plate (1), and a mixing cavity (4) is communicated with the bottom end of the distribution cavity (2);
two rows of parallel fire hole mechanisms are arranged on the fire hole plate (1), each fire hole mechanism comprises a plurality of high fire hole groups (5) and low fire hole groups (6) which are alternately arranged, any high fire hole group (5) in any fire hole mechanism and any low fire hole group (6) in the other fire hole mechanism are positioned on the same cross section, and a plurality of high fire hole groups (5) and a plurality of low fire hole groups (6) are communicated with the distribution cavity (2);
and a plurality of high fire hole groups (5) in the two fire hole mechanisms are respectively arranged to the two sides of the fire hole plate (1) in a downward inclined way.
2. A burner with staggered inclined high and low fire hole plates according to claim 1, wherein: the low fire hole group (6) is composed of a plurality of first fire holes (7), the first fire holes (7) are formed in the fire hole plate (1) at equal intervals, and the first fire holes (7) are communicated with the distribution cavity (2).
3. A burner with staggered inclined high and low fire hole plates according to claim 2, wherein: the high fire hole group (5) comprises inclined blocks (8), a plurality of second fire holes (9) are formed in the inclined blocks (8) at equal intervals, and the second fire holes (9) are communicated with the distribution cavity (2).
4. A burner having inclined high and low staggered fire hole plates as claimed in claim 3, wherein: the size of the interval between any two adjacent first fire holes (7) is the same as the size of the interval between any two adjacent second fire holes (9).
5. A burner having inclined high and low staggered fire hole plates as claimed in claim 3, wherein: the interval between the adjacent first fire holes (7) and the adjacent second fire holes (9) is the same as the interval between any two adjacent first fire holes (7).
6. A burner having inclined high and low staggered fire hole plates as claimed in claim 3, wherein: the first fire hole (7) and the second fire hole (9) have the same size.
7. A burner having inclined high and low staggered fire hole plates as claimed in claim 3, wherein: the top rigid coupling has flow regulating plate (3) in distribution chamber (2), a plurality of flow regulating hole (10) have been seted up on flow regulating plate (3), a plurality of flow regulating hole (10) with a plurality of first fire hole (7) and a plurality of second fire hole (9) one-to-one sets up.
8. A burner with staggered inclined high and low fire hole plates according to claim 1, wherein: the distribution cavity (2) is composed of two symmetrically arranged cavities with communicated tops, the number of the mixing cavities (4) is two, and the two mixing cavities (4) are respectively communicated with the bottom ends of the two cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310363319.XA CN116293667B (en) | 2023-04-07 | 2023-04-07 | Combustor with inclined high-low staggered fire hole plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310363319.XA CN116293667B (en) | 2023-04-07 | 2023-04-07 | Combustor with inclined high-low staggered fire hole plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116293667A true CN116293667A (en) | 2023-06-23 |
| CN116293667B CN116293667B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310363319.XA Active CN116293667B (en) | 2023-04-07 | 2023-04-07 | Combustor with inclined high-low staggered fire hole plates |
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| Country | Link |
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| CN (1) | CN116293667B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04151412A (en) * | 1990-10-12 | 1992-05-25 | Tokyo Gas Co Ltd | Low nitrogen oxides burner |
| CN1576694A (en) * | 2003-07-30 | 2005-02-09 | 上海能率有限公司 | Impact forging forming metal combustor and method for producing the same impact forging metal combustion device |
| JP2005315520A (en) * | 2004-04-28 | 2005-11-10 | Denso Corp | Heat exchanger |
| US20090291402A1 (en) * | 2006-07-07 | 2009-11-26 | Eun Seong Cho | Flame structure of gas burner |
| CN102338383A (en) * | 2010-07-22 | 2012-02-01 | 黄晓华 | Thick/thin fire hole burner |
| CN202719603U (en) * | 2012-07-26 | 2013-02-06 | 玉环县凯强机械燃具有限公司 | Burner used for gas-fired water heater |
| WO2015196504A1 (en) * | 2014-06-27 | 2015-12-30 | 艾欧史密斯(中国)热水器有限公司 | Pre-mix gas burner |
| CN106051764A (en) * | 2016-07-11 | 2016-10-26 | 万家乐热能科技有限公司 | Low NOx burner and wall-hanging stove provided with same |
| CN106949467A (en) * | 2017-03-28 | 2017-07-14 | 广东万家乐燃气具有限公司 | A kind of gas instantaneous water heater burner of fractional combustion |
| CN207006154U (en) * | 2017-07-12 | 2018-02-13 | 浙江双菱戴纳斯帝电气有限公司 | The flat low NO of water cooling |
| CN211952760U (en) * | 2020-02-25 | 2020-11-17 | 广东万和新电气股份有限公司 | Fire grate, combustor and gas water heater |
| CN216203341U (en) * | 2021-09-28 | 2022-04-05 | 广东万和新电气股份有限公司 | Burner and fire hole plate |
-
2023
- 2023-04-07 CN CN202310363319.XA patent/CN116293667B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04151412A (en) * | 1990-10-12 | 1992-05-25 | Tokyo Gas Co Ltd | Low nitrogen oxides burner |
| CN1576694A (en) * | 2003-07-30 | 2005-02-09 | 上海能率有限公司 | Impact forging forming metal combustor and method for producing the same impact forging metal combustion device |
| JP2005315520A (en) * | 2004-04-28 | 2005-11-10 | Denso Corp | Heat exchanger |
| US20090291402A1 (en) * | 2006-07-07 | 2009-11-26 | Eun Seong Cho | Flame structure of gas burner |
| CN102338383A (en) * | 2010-07-22 | 2012-02-01 | 黄晓华 | Thick/thin fire hole burner |
| CN202719603U (en) * | 2012-07-26 | 2013-02-06 | 玉环县凯强机械燃具有限公司 | Burner used for gas-fired water heater |
| WO2015196504A1 (en) * | 2014-06-27 | 2015-12-30 | 艾欧史密斯(中国)热水器有限公司 | Pre-mix gas burner |
| CN106051764A (en) * | 2016-07-11 | 2016-10-26 | 万家乐热能科技有限公司 | Low NOx burner and wall-hanging stove provided with same |
| CN106949467A (en) * | 2017-03-28 | 2017-07-14 | 广东万家乐燃气具有限公司 | A kind of gas instantaneous water heater burner of fractional combustion |
| CN207006154U (en) * | 2017-07-12 | 2018-02-13 | 浙江双菱戴纳斯帝电气有限公司 | The flat low NO of water cooling |
| CN211952760U (en) * | 2020-02-25 | 2020-11-17 | 广东万和新电气股份有限公司 | Fire grate, combustor and gas water heater |
| CN216203341U (en) * | 2021-09-28 | 2022-04-05 | 广东万和新电气股份有限公司 | Burner and fire hole plate |
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| Publication number | Publication date |
|---|---|
| CN116293667B (en) | 2024-01-30 |
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