CN111750348A - Low-noise combustor and gas water heater - Google Patents
Low-noise combustor and gas water heater Download PDFInfo
- Publication number
- CN111750348A CN111750348A CN202010499086.2A CN202010499086A CN111750348A CN 111750348 A CN111750348 A CN 111750348A CN 202010499086 A CN202010499086 A CN 202010499086A CN 111750348 A CN111750348 A CN 111750348A
- Authority
- CN
- China
- Prior art keywords
- burner
- combustor
- guide
- low noise
- gas
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 12
- 239000007809 chemical reaction catalyst Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 9
- 206010019233 Headaches Diseases 0.000 description 1
- 206010022998 Irritability Diseases 0.000 description 1
- 206010033557 Palpitations Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 230000009467 reduction Effects 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
- F23D14/60—Devices for simultaneous control of gas and combustion air
-
- 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
- F23D14/70—Baffles or like flow-disturbing devices
-
- 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)
- Gas Burners (AREA)
Abstract
The invention discloses a low-noise combustor and a gas water heater, wherein the low-noise combustor comprises a combustor body, a plurality of fire holes are formed in the combustor body, a plurality of fluid guides enabling air flow to generate a wall attachment effect and further increasing turbulence intensity are arranged at the edges of the fire holes on the combustor body, and at least the widest edge of the fluid guides is located above the fire holes of the combustor body, so that the fire holes spray out gas and enable the gas to flow along the wall surface of the fluid guides through the wall attachment effect, the turbulence intensity of the air flow is increased, the mixing and burning speed of the gas and air is increased, the height of flame is further reduced, and the effects of uniform burning temperature and low noise are achieved.
Description
Technical Field
The invention relates to the technical field of burners, in particular to a low-noise burner and a gas water heater.
Background
The gas water heater market has recently created a concept of low noise, and as the water production of gas water heaters has been gradually increased, the noise generated by gas water heaters has also become larger and larger. The noise of the gas water heater during working can cause the bad reactions of the old, children and operators, such as irritability, headache, palpitation and the like, and can cause serious influence on physical and psychological health after long-term use. Therefore, the noise becomes the technical problem to be solved urgently in the existing gas water heater. Along with the improvement of the requirements of people on the living quality, users pay more and more attention to the size of the noise parameter of the gas water heater when purchasing the gas water heater. It can be said that the quality of the noise performance of the gas water heater is a big key factor of the product competitiveness.
Disclosure of Invention
The present invention has been made to solve at least one of the problems occurring in the related art to some extent, and therefore the present invention provides a low noise burner and a gas water heater, which can reduce the height of flame, achieve a high uniform combustion temperature, and reduce noise by increasing the combustion speed of a mixed gas.
The utility model provides a low noise combustor, includes the combustor body, be equipped with a plurality of fire hole on the combustor body lie in on the combustor body the edge of fire hole is equipped with a plurality of and makes the air current produce the fluid that draws that attaches wall effect increase turbulence intensity, at least the part widest edge of the fluid that draws is located the fire hole top of combustor body.
In some embodiments, the fluid guiding body is in a drop shape or a rotating body with an outer diameter gradually decreasing from bottom to top.
In some embodiments, the guide fluid is composed of a support body and a plurality of guide vanes arranged on the support body, and a guide channel is formed between every two adjacent guide vanes.
Further, at least part of the flow guide surface of the flow guide vane is positioned above the fire hole.
Further, the guide vane is spiral, and the deflection angle theta of the guide vane is 15 degrees to 30 degrees.
Further, the top of each guide vane converges at the top center of the flow guiding body.
Further, a reaction catalyst is arranged on the surface of the guide vane.
Further, the surface of the fluid-guiding body is smooth and excessively rounded.
Further, be equipped with the cowling panel below the fire hole of combustor body, the equipartition has a plurality of air vent on the cowling panel.
A gas burner is provided with the low-noise burner.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the burner, the plurality of the flow guiding bodies are arranged at the edge of the fire hole of the burner body, so that the gas sprayed from the fire hole can flow along the wall surface of the flow guiding bodies through the wall attachment effect, the turbulence intensity of the airflow is increased, the mixing and burning speed of the gas and air is increased, the height of flame is reduced, and the effects of uniform burning temperature and low noise are realized.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of a low noise burner of the present invention;
FIG. 2 is a schematic top view of a first embodiment of a low noise burner of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is a perspective view of a second embodiment of a low noise burner of the present invention;
FIG. 5 is an exploded perspective view of a second embodiment of a low noise burner of the present invention;
FIG. 6 is a schematic top view of a second embodiment of a low noise burner of the present invention;
FIG. 7 is an enlarged view at B of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view of a fluid introduction in a second embodiment of a low noise burner of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the claims of the present invention.
As shown in fig. 1-8, a low noise combustor, including combustor body 1, be equipped with a plurality of fire hole 10 on combustor body 1 lie in the edge of fire hole is equipped with a plurality of and makes the air current produce the drainage body 2 that attaches the wall effect and increase turbulence intensity, the height of drainage body 2 is decided according to combustion power, to traditional 16 KW's water heater, the height that draws fluid 2 to correspond is 8mm, through being equipped with a plurality of drainage body 2 at the fire hole edge of combustor body to make fire hole blowout gas make can flow along the wall of drainage body 2 through attaching the wall effect, thereby increase the turbulence intensity of air current, increase the mixture of gas and air, burning speed, and then reduce the height of flame, realize the effect of even combustion temperature and low noise.
The first embodiment of the guide 2 of the invention: the leading fluid 2 is a water drop-shaped or rotating body with the outer diameter gradually reduced from bottom to top, the mixed gas of gas and air can be tightly attached to the leading fluid 2 after being sprayed out from the fire holes 10 by adopting the water drop-shaped or rotating body with the outer diameter gradually reduced from bottom to top, wall-attached combustion is realized, the gas moves to the top of the center of the leading fluid 2 along the wall surface of the leading fluid 2, the flame independence between the adjacent fire holes 10 is increased, and the noise of flame can be obviously improved.
According to the invention, at least part of widest edge of the fluid guiding body 2 is positioned above the fire hole of the burner body 1, and the part of widest edge of the fluid guiding body 2 is arranged above the fire hole of the burner body 1, so that gas sprayed out of the fire hole of the burner body 1 directly moves from the widest edge of the fluid guiding body 2 to the top of the center of the fluid guiding body 2 along the wall surface of the fluid guiding body 2 through the coanda effect, the turbulence intensity of airflow can be increased, the combustion speed of mixed gas is increased, the flame height is reduced, and high uniform combustion temperature and noise reduction are realized.
Second embodiment of the guide 2 according to the invention: the burner is characterized by comprising a support body 20 and a plurality of guide vanes 21 arranged on the support body 20, wherein a guide channel is formed between the guide vanes 21, gas sprayed out of a fire hole of the burner body 1 is guided by the wall attachment effect of the guide vanes 21, and the gas moves in the guide channel, so that the mixing of the gas can be accelerated, the turbulence intensity of the gas flow is increased, and the flame height is reduced.
According to the invention, at least part of the guide surface of the guide vane 21 is positioned above the fire hole 10, and the guide surface of the guide vane 21 is positioned above the fire hole 10, so that the airflow can move along the guide vane 21 more directly.
The guide vanes 21 are spiral, the deflection angle theta of the guide vanes 21 is 15-30 degrees, the top of each guide vane 21 is gathered at the center of the top of the flow guide body 2, the guide vanes 21 are spiral, so that the moving distance of airflow in a guide channel is increased, gas moves along the spiral guide vanes 21, the mixing of gas and air is improved, flame is close to the center along the rotation of the guide vanes 21, the independence between adjacent fire holes 10 is increased, and the noise of the flame can be obviously improved.
According to the invention, the reaction catalyst is arranged on the surface of the guide vane 21, and the catalytic rapid combustion can be realized by coating the reaction catalyst on the surface of the guide vane 21, so that the flame height and the combustion noise are reduced.
The surface of the drainage body 2 is smooth and excessively round, and the speed and the fluency of the gas moving along the surface of the drainage body 2 can be improved.
According to the burner, the rectifying plate 3 is arranged below the fire holes of the burner body 1, the plurality of vent holes 30 are uniformly distributed on the rectifying plate 3, gas flows out of the uniformly distributed vent holes 30, the uniformity of the gas can be improved, and the phenomena of gas turbulence and local speed unevenness are reduced.
A gas burner has the low-noise burner.
The above-mentioned embodiments are intended to illustrate the technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only the most preferred embodiments of the present invention, and are not intended to limit the present invention, and any modifications, additions, equivalents, etc. made within the scope of the principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a low noise combustor, includes combustor body (1), be equipped with a plurality of fire hole (10) on combustor body (1), its characterized in that lie in on combustor body (1) the edge of fire hole is equipped with a plurality of and makes the air current produce drainage body (2) that attaches the wall effect thereby increase turbulence intensity, at least the widest edge of part of drainage body (2) is located the fire hole top of combustor body (1).
2. A burner as claimed in claim 1, wherein the fluid guide (2) is in the form of drops or a body of revolution having an outer diameter which decreases from bottom to top.
3. A low noise burner according to claim 1, wherein said guide fluid (2) is composed of a support body (20) and a plurality of guide vanes (21) disposed on said support body (20), and guide channels are formed between adjacent guide vanes (21).
4. A burner as claimed in claim 3, characterised in that at least part of the guide surface of the guide vanes (21) is located above the flame ports (10).
5. A burner as claimed in claim 4, characterised in that the guide vanes (21) are helical, the angle θ of deflection of the guide vanes (21) being between 15 and 30 degrees.
6. A low noise burner according to any of claims 3 to 5, wherein the top of each of said guide vanes (21) converges at the top center of the flow guide body (2).
7. A burner as claimed in claim 6, wherein the guide vanes (21) are provided with a reaction catalyst on their surface.
8. A low noise burner according to any of claims 1 to 5 or 7, wherein the surface of the introduction fluid (2) is smooth and excessively rounded.
9. A low noise burner according to any one of claims 1 to 5 or 7, characterized in that a rectifying plate (3) is arranged below the fire holes of the burner body (1), and a plurality of vent holes (30) are uniformly distributed on the rectifying plate (3).
10. A gas burner characterized by having a low noise burner as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499086.2A CN111750348B (en) | 2020-06-04 | 2020-06-04 | Low-noise combustor and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499086.2A CN111750348B (en) | 2020-06-04 | 2020-06-04 | Low-noise combustor and gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111750348A true CN111750348A (en) | 2020-10-09 |
| CN111750348B CN111750348B (en) | 2023-01-13 |
Family
ID=72674498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010499086.2A Active CN111750348B (en) | 2020-06-04 | 2020-06-04 | Low-noise combustor and gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111750348B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200044U (en) * | 1987-01-02 | 1988-01-27 | 刘兵 | Gas fuel kitchen range |
| GB8826191D0 (en) * | 1988-11-09 | 1988-12-14 | Coleman J D | Improvements to hot air balloon burners |
| JPH06109218A (en) * | 1992-09-28 | 1994-04-19 | Noritz Corp | Premixing combustion apparatus |
| DE19859829A1 (en) * | 1998-12-23 | 2000-06-29 | Abb Alstom Power Ch Ag | Burner for operating a heat generator |
| CN2867124Y (en) * | 2006-01-26 | 2007-02-07 | 创尔特热能科技(中山)有限公司 | Intensive combustion device used for gas water heater burner |
| CN102901099A (en) * | 2012-09-14 | 2013-01-30 | 华中科技大学 | Flower petal type combustor |
| CN103119246A (en) * | 2010-11-25 | 2013-05-22 | 西门子公司 | Turbine nozzle segment and corresponding gas turbine engine |
| WO2014027914A1 (en) * | 2012-08-16 | 2014-02-20 | Schlumberger, Canada Limited | Regulation of a gas burner |
| CN203571743U (en) * | 2013-10-15 | 2014-04-30 | 江苏中圣高科技产业有限公司 | Torch combustion system with automatic and adjustable sound speed |
| CN204853466U (en) * | 2014-11-11 | 2015-12-09 | 科林工业技术有限责任公司 | Vortex and combustor |
| DE102015202983A1 (en) * | 2015-02-19 | 2016-08-25 | Robert Bosch Gmbh | Burner with improved flame training |
| CN208859599U (en) * | 2018-11-22 | 2019-05-14 | 北京基鼎环保科技有限公司 | Swirl injection burner |
| CN109990475A (en) * | 2019-03-11 | 2019-07-09 | 华帝股份有限公司 | Novel full premix combustor and gas heater |
| CN110631011A (en) * | 2019-09-19 | 2019-12-31 | 程敏 | Tertiary air mixing gas combustion device |
| CN110925759A (en) * | 2019-12-27 | 2020-03-27 | 浙江惠厨节能科技有限公司 | Combustor for doing work by combining multiple fire dividing heads and combustion bowl on tray |
| CN210638034U (en) * | 2019-07-08 | 2020-05-29 | 上海禾森机电有限公司 | Fire grate for water heater burner capable of preventing combustion noise |
-
2020
- 2020-06-04 CN CN202010499086.2A patent/CN111750348B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87200044U (en) * | 1987-01-02 | 1988-01-27 | 刘兵 | Gas fuel kitchen range |
| GB8826191D0 (en) * | 1988-11-09 | 1988-12-14 | Coleman J D | Improvements to hot air balloon burners |
| JPH06109218A (en) * | 1992-09-28 | 1994-04-19 | Noritz Corp | Premixing combustion apparatus |
| DE19859829A1 (en) * | 1998-12-23 | 2000-06-29 | Abb Alstom Power Ch Ag | Burner for operating a heat generator |
| CN2867124Y (en) * | 2006-01-26 | 2007-02-07 | 创尔特热能科技(中山)有限公司 | Intensive combustion device used for gas water heater burner |
| CN103119246A (en) * | 2010-11-25 | 2013-05-22 | 西门子公司 | Turbine nozzle segment and corresponding gas turbine engine |
| WO2014027914A1 (en) * | 2012-08-16 | 2014-02-20 | Schlumberger, Canada Limited | Regulation of a gas burner |
| CN102901099A (en) * | 2012-09-14 | 2013-01-30 | 华中科技大学 | Flower petal type combustor |
| CN203571743U (en) * | 2013-10-15 | 2014-04-30 | 江苏中圣高科技产业有限公司 | Torch combustion system with automatic and adjustable sound speed |
| CN204853466U (en) * | 2014-11-11 | 2015-12-09 | 科林工业技术有限责任公司 | Vortex and combustor |
| DE102015202983A1 (en) * | 2015-02-19 | 2016-08-25 | Robert Bosch Gmbh | Burner with improved flame training |
| CN208859599U (en) * | 2018-11-22 | 2019-05-14 | 北京基鼎环保科技有限公司 | Swirl injection burner |
| CN109990475A (en) * | 2019-03-11 | 2019-07-09 | 华帝股份有限公司 | Novel full premix combustor and gas heater |
| CN210638034U (en) * | 2019-07-08 | 2020-05-29 | 上海禾森机电有限公司 | Fire grate for water heater burner capable of preventing combustion noise |
| CN110631011A (en) * | 2019-09-19 | 2019-12-31 | 程敏 | Tertiary air mixing gas combustion device |
| CN110925759A (en) * | 2019-12-27 | 2020-03-27 | 浙江惠厨节能科技有限公司 | Combustor for doing work by combining multiple fire dividing heads and combustion bowl on tray |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111750348B (en) | 2023-01-13 |
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