CN110530030B - Combustor and water heater - Google Patents
Combustor and water heater Download PDFInfo
- Publication number
- CN110530030B CN110530030B CN201910845964.9A CN201910845964A CN110530030B CN 110530030 B CN110530030 B CN 110530030B CN 201910845964 A CN201910845964 A CN 201910845964A CN 110530030 B CN110530030 B CN 110530030B
- Authority
- CN
- China
- Prior art keywords
- water pipe
- burner
- channels
- hole
- channel
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000005192 partition Methods 0.000 claims description 16
- 239000007789 gas Substances 0.000 abstract description 27
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 18
- 239000008246 gaseous mixture Substances 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 238000005496 tempering Methods 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention discloses a burner, which comprises a body and a water pipe, wherein the body is provided with a plurality of channels for mixed gas to pass through, the water pipe penetrates through the channels at the side wall of the channels, and the water pipe penetrates through at least one channel; a water heater comprises the burner. Through setting up the water pipe that runs through in the passageway and cooling down gaseous mixture and body, help reducing the production of harmful gas such as nitrogen oxide, simultaneously, help prolonging the life of body under the low temperature state, reduce the oxidation rate, can also reduce the flame propagation speed of gaseous mixture, and then can avoid burning out the body because of tempering state, simultaneously, the water pipe can absorb the heat in the combustor to promote complete machine thermal efficiency.
Description
Technical Field
The invention relates to the technical field of gas appliances, in particular to a water passing type gap combustor and a water heater.
Background
The gas water heater generally comprises a burner and a heat exchange pipeline, wherein flame generated by the burner exchanges heat with water in the heat exchange pipeline. In the full premix burner, the flame propagation capability of the mixed gas is strong, the flame stability during combustion is poor, and flashback easily occurs. In order to prevent flashback, it is necessary to ensure that the flow rate of the mixture is greater than the flame propagation rate of combustion of the gas, which increases with increasing temperature, so that the most effective way to prevent flashback is to reduce the gas temperature.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides a water passing type gap combustor and a water heater, which can effectively reduce the temperature of fuel gas and improve the heat efficiency of the whole machine.
According to a first aspect of the present invention, there is provided a burner comprising a body having a plurality of channels for the passage of a mixed gas and a water pipe extending through the channels at the side walls of the channels, the water pipe extending through at least one of the channels.
Preferably, a through hole is formed in the body, at least one partition plate is arranged in the through hole, and the partition plate divides the through hole into a plurality of channels.
Preferably, the water pipe penetrates through the side wall of the through hole and the partition plate.
Preferably, the water pipe comprises a plurality of straight line segments and a plurality of arc segments, wherein the straight line segments penetrate through the side wall of the through hole, and the arc segments are used for connecting the straight line segments in series.
Preferably, the through hole is cuboid, a plurality of the partition plates are arranged in parallel, and the partition plates are parallel to a pair of side walls of the through hole.
Preferably, the thickness of the partition plate is 0.25mm-0.35mm, and the width of the channel is 1.1mm-1.3mm.
Preferably, the body both ends all are provided with the annular chimb that turns over outward, annular chimb is provided with the screw hole on the edge.
Preferably, the water pipe is connected to the output end of the heat exchange pipeline.
Preferably, the distance between the nearest part of the water pipe and the air outlet of the channel and the end face of the air outlet of the channel is 7mm-8mm.
Any of the above technical schemes has at least the following beneficial effects: through setting up the water pipe that runs through in the passageway and cooling down gaseous mixture and body, help reducing the production of harmful gas such as nitrogen oxide, simultaneously, help prolonging the life of body under the low temperature state, reduce the oxidation rate, can also reduce the flame propagation speed of gaseous mixture, and then can avoid burning out the body because of tempering state, simultaneously, the water pipe can absorb the heat in the combustor to promote complete machine thermal efficiency.
According to a second aspect of the present invention there is provided a water heater comprising a burner as described above.
The technical scheme has at least the following beneficial effects: through setting up the water pipe that runs through in the passageway and cooling down gaseous mixture and body, help reducing the production of harmful gas such as nitrogen oxide, simultaneously, help prolonging the life of body under the low temperature state, reduce the oxidation rate, can also reduce the flame propagation speed of gaseous mixture, and then can avoid burning out the body because of tempering state, simultaneously, the water pipe can absorb the heat in the combustor to promote complete machine thermal efficiency.
Drawings
The invention is further described below with reference to the drawings and examples;
FIG. 1 is a schematic illustration of a burner embodiment;
FIG. 2 is a schematic representation of a burner embodiment.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus 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.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 and 2, a burner comprises a main body 1 and a water pipe 2, wherein the main body 1 is provided with a plurality of channels 3 for mixed gas to pass through, the water pipe 2 penetrates through the channels 3 at the side wall of the channels 3, the water pipe 2 penetrates through all the channels 3, and the water pipe 2 is connected with the output end of a heat exchange pipeline. According to the embodiment, the mixed gas and the body 1 are cooled by the penetrating water pipe 2 arranged in the channel 3, so that the generation of harmful gases such as nitrogen oxides is reduced, the service life of the body 1 is prolonged in a low-temperature state, the oxidation rate is reduced, the flame propagation speed of the mixed gas can be reduced, the body 1 can be prevented from being burnt out in a tempering state, and meanwhile, the water pipe 2 can absorb heat in a combustor, so that the heat efficiency of the whole machine is improved. It can be understood that the water pipe 2 can reduce the temperature of the mixed gas and the body 1 only by penetrating at least one channel 3, so that the cooling effect is optimal when penetrating all channels 3 without limiting to penetrating all channels 3.
In the prior art, the body 1 is generally composed of a plurality of gas ejectors, and this type of gas ejectors is not suitable for a fully premixed burner and is prone to knocking. To this end, as illustrated in fig. 2, in some embodiments, a through hole is provided in the body 1, and a plurality of partitions 4 are provided in the through hole, the partitions 4 dividing the through hole into a plurality of channels 3; the water pipe 2 penetrates through the side wall of the through hole and the partition plate 4; the through hole is cuboid, and a plurality of baffles 4 are parallel arrangement, and baffle 4 is parallel with a pair of lateral walls of through hole. According to the embodiment, the through holes are divided into the channels 3 through the partition plates 4, mixed gas is supplied to pass through the channels 3, the mixed gas is ignited at the tail end of the channels 3 for combustion, the whole end face of the gas outlet of the channels 3 is a combustion area, namely, the mixed gas is ignited on the single surface of the body 1 after passing through the channels 3, and the gas outlet points are quite similar, so that a 'continuous flame' is formed after successful ignition.
It will be appreciated that the through holes may also be other shapes, such as cylindrical or cuboid-like, etc., and are not limited to cuboid shapes; the separators 4 do not have to be parallel to each other, and any angle may be formed between the separators 4 and the separators 4 as long as the purpose of dividing the through holes is achieved, and the like.
As shown in fig. 2, in some embodiments, the water pipe 2 includes a plurality of straight segments 5 and a plurality of arcuate segments 6, the straight segments 5 extending through the sidewall of the through-hole, the arcuate segments 6 being used to connect the plurality of straight segments 5 in series. So can prolong the length of water pipe 2 in the through-hole, improve the heat exchange time between water pipe 2 and the body 1 to absorb more heat, specific heat exchange time can be adjusted through the quantity of arc section 6 according to actual need, above-mentioned structure is arc section 6 and straight line section 5 and is preferred split type setting, does benefit to production and later stage equipment, certainly, whole water pipe 2 also can integrated into one piece make, so that reduce the leakage point.
In certain embodiments, as illustrated in FIG. 2, the spacer 4 has a thickness of 0.25mm to 0.35mm and the channel 3 has a width of 1.1mm to 1.3mm. Preferably, the thickness of the partition board 4 is 0.3mm, the width of the channel 3 is 1.2mm, the flow rate of the mixed gas can be properly reduced by the partition board 4 with the above dimension, and the mixed gas can be uniformly distributed into each channel 3, so that the pressure of the mixed gas is effectively reduced, the flame height is further reduced, and the generation of bad tail gas products such as carbon monoxide and nitrogen oxides after combustion is reduced.
In some embodiments, as shown in fig. 2, the water pipe 2 is 7mm-8mm from the end face of the air outlet of the channel 3 closest to the air outlet of the channel 3, preferably 7mm from the end face of the air outlet of the channel 3 closest to the channel 3, so that the water pipe 2 can absorb heat as much as possible without affecting the flame, and is the optimal distance.
As shown in fig. 2, in some embodiments, two ends of the body 1 are provided with an annular flange 7 turned outwards, the annular flange 7 is provided with a threaded hole 9, the two annular flanges 7 are respectively connected with an air inlet device and a combustion chamber of the water heater, and the annular flange 7 is further provided with an upward annular baffle ring 8 so as to form a sealing connection with the air inlet device and the combustion chamber, so that the body 1 with the structure can be quickly and stably connected with the air inlet device and the combustion chamber.
According to a second aspect of the present invention there is provided a water heater comprising a burner as described above. Through setting up the water pipe that runs through in the passageway and cooling down gaseous mixture and body, help reducing the production of harmful gas such as nitrogen oxide, simultaneously, help prolonging the life of body under the low temperature state, reduce the oxidation rate, can also reduce the flame propagation speed of gaseous mixture, and then can avoid burning out the body because of tempering state, simultaneously, the water pipe can absorb the heat in the combustor to promote complete machine thermal efficiency.
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 one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (8)
1. The burner is characterized by comprising a body and a water pipe, wherein the body is provided with a plurality of channels for mixed gas to pass through, the water pipe penetrates through the channels at the side wall of the channels, and the water pipe penetrates through at least one channel; the body is provided with a through hole, at least one baffle plate is arranged in the through hole, and the baffle plate divides the through hole into a plurality of channels; the water pipe comprises a plurality of straight line segments and a plurality of arc segments, wherein the straight line segments penetrate through the side wall of the through hole, and the arc segments are used for connecting the straight line segments in series.
2. A burner as claimed in claim 1, wherein said water pipe extends through a side wall of said through hole and said partition.
3. A burner according to claim 1, wherein said through-hole is in the shape of a rectangular parallelepiped, a plurality of said partitions are arranged in parallel, and said partitions are parallel to a pair of side walls of said through-hole.
4. A burner as claimed in claim 1, wherein said partition has a thickness of 0.25mm to 0.35mm and said channel has a width of 1.1mm to 1.3mm.
5. A burner as claimed in claim 1, wherein the body is provided with outwardly turned annular flanges at both ends, the annular flanges being provided with threaded bores.
6. A burner as claimed in claim 1, wherein said water line is connected to the output of the heat exchange line.
7. A burner according to claim 1, wherein the water pipe is located closest to the outlet of the passageway at a distance of from 7mm to 8mm from the outlet end face of the passageway.
8. A water heater comprising a burner as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845964.9A CN110530030B (en) | 2019-09-09 | 2019-09-09 | Combustor and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845964.9A CN110530030B (en) | 2019-09-09 | 2019-09-09 | Combustor and water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110530030A CN110530030A (en) | 2019-12-03 |
| CN110530030B true CN110530030B (en) | 2024-02-13 |
Family
ID=68667770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910845964.9A Active CN110530030B (en) | 2019-09-09 | 2019-09-09 | Combustor and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110530030B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10141612A (en) * | 1996-11-13 | 1998-05-29 | Matsushita Electric Ind Co Ltd | Catalyst combustion apparatus |
| JP2002031307A (en) * | 2000-07-17 | 2002-01-31 | Nippon Soken Inc | Fluid-heating apparatus provided with premixing burner |
| CN201706499U (en) * | 2010-06-25 | 2011-01-12 | 南京广龙厨具工程有限公司 | Injection type micropore burner |
| CN206469470U (en) * | 2016-12-30 | 2017-09-05 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN109000228A (en) * | 2018-09-03 | 2018-12-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Burner |
| CN109695877A (en) * | 2019-01-02 | 2019-04-30 | 刘维 | A kind of two-stage combustion formula fire row combustor |
| CN109838786A (en) * | 2017-11-28 | 2019-06-04 | 芜湖美的厨卫电器制造有限公司 | Gas mixing unit and gas heater |
| CN211903315U (en) * | 2019-09-09 | 2020-11-10 | 中山市创尔特智能家居科技有限公司 | Combustor and water heater |
-
2019
- 2019-09-09 CN CN201910845964.9A patent/CN110530030B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10141612A (en) * | 1996-11-13 | 1998-05-29 | Matsushita Electric Ind Co Ltd | Catalyst combustion apparatus |
| JP2002031307A (en) * | 2000-07-17 | 2002-01-31 | Nippon Soken Inc | Fluid-heating apparatus provided with premixing burner |
| CN201706499U (en) * | 2010-06-25 | 2011-01-12 | 南京广龙厨具工程有限公司 | Injection type micropore burner |
| CN206469470U (en) * | 2016-12-30 | 2017-09-05 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN109838786A (en) * | 2017-11-28 | 2019-06-04 | 芜湖美的厨卫电器制造有限公司 | Gas mixing unit and gas heater |
| CN109000228A (en) * | 2018-09-03 | 2018-12-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Burner |
| CN109695877A (en) * | 2019-01-02 | 2019-04-30 | 刘维 | A kind of two-stage combustion formula fire row combustor |
| CN211903315U (en) * | 2019-09-09 | 2020-11-10 | 中山市创尔特智能家居科技有限公司 | Combustor and water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110530030A (en) | 2019-12-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200811 Address after: 528400 2nd floor, No.3, No.42, South Industrial Avenue, Xiaolan Town, Zhongshan City, Guangdong Province Applicant after: Zhongshan chuang'erte Smart Home Technology Co.,Ltd. Address before: 528400 No. 42, South Industrial Avenue, Zhongshan, Guangdong Applicant before: GUANGDONG CHANT Group Inc. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231220 Address after: 528400 No.1, South 42, Gongye Avenue, Xiaolan Town, Zhongshan City, Guangdong Province Applicant after: Changqing thermal energy technology (Zhongshan) Co.,Ltd. Address before: 528400 No.3, 2nd floor, No.42, South Industrial Avenue, Xiaolan Town, Zhongshan City, Guangdong Province Applicant before: Zhongshan chuang'erte Smart Home Technology Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |