CN210004392U - Fire grate segment of novel burner - Google Patents
Fire grate segment of novel burner Download PDFInfo
- Publication number
- CN210004392U CN210004392U CN201920778781.5U CN201920778781U CN210004392U CN 210004392 U CN210004392 U CN 210004392U CN 201920778781 U CN201920778781 U CN 201920778781U CN 210004392 U CN210004392 U CN 210004392U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- plate
- fire row
- novel
- fire
- 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.)
- Expired - Fee Related
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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
- 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
- F23D14/045—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 with a plurality of burner bars assembled together, e.g. in a grid-like arrangement
-
- 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
- F23D14/78—Cooling burner parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D23/00—Assemblies of two or more burners
-
- 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
- F24C3/082—Arrangement or mounting of burners on stoves
-
- 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/46—Water heaters having plural combustion chambers
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/00017—Assembled burner modules
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14041—Segmented or straight line assembly of burner bars
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 utility model provides a fire row piece of novel combustors, belong to mechanical technical field, it has solved the fire row piece of current novel combustor and has produced the problem that tempering and application scope are not smooth easily, the fire row piece of this novel combustor, which comprises a housin, the both sides of casing all are equipped with inlet channel, two inlet channel symmetry sets up, the upper end of casing has the burning chamber, inlet channel's upper end is linked together with the burning chamber, the upper end in burning chamber is equipped with the combustion plate, a serial communication port, inlet channel includes inlet air portion and drainage portion, the upper and lower both ends of drainage portion are linked together with the upper end of burning chamber and inlet air portion respectively, the lower extreme of inlet air portion is the air inlet, inlet air portion sets up by the outside slope of down toward the casing, drainage portion sets up by the middle part slope down toward the casing, the fire row piece of this novel combustor has the advantage that is difficult for producing tempering and application scope is more .
Description
Technical Field
The utility model belongs to the technical field of machinery, a piece is arranged to fire that relates to kinds of combustors, especially kind of novel combustors.
Background
At present, civil burners are widely applied to various families, such as household articles like a gas stove and a wall-mounted stove, the existing wall-mounted stove is water heaters which take natural gas as energy, and has various safety protection measures such as anti-freezing protection, anti-dry combustion protection, accidental flameout protection, over-temperature protection, water pump anti-blocking protection and the like, the wall-mounted stove has a strong household central heating function and is widely applied by , and as is well known, the burner in the wall-mounted stove is a key part of the performance and efficiency of the wall-mounted stove, so that a fire grate component is taken as a main component part of the burner, and the performance of the fire grate component is particularly important.
Among the prior art, the accessible reduces the combustion temperature of subassembly during operation at design cooling device to make the gas combustion more abundant, reduce nitrogen oxide's emission, but increase cooling device in the combustor, can increase the volume of combustor, occupation space grow leads to transportation, installation inconvenient scheduling problem.
For example, kinds of low-nitrogen burner fire grate components (application number: 201721560894.5) disclosed in the chinese patent document include a fire grate and a fire hole sheet arranged at the upper end of the fire grate, two communicated venturi tubes are arranged at both ends inside the fire grate, the venturi tubes are air inlet pipes with narrow lower ends and gradually expanding upwards, a flow guiding pressure groove is arranged at the upper ends of the two venturi tubes, a plurality of cooling pipe holes are arranged between the two venturi tubes, a plurality of fire holes are evenly arranged at the upper ends of the fire hole sheet, the venturi tubes are communicated with the plurality of fire holes, but the air inlet pipes of the low-nitrogen burner fire grate components are vertically arranged, tempering is easy to generate, and the fire holes of the fire grate components can only be upwards arranged, so the application range is not .
Disclosure of Invention
The utility model aims at solving the problems in the prior art and providing fire row sheets which are not easy to produce backfire and have a more application range.
The purpose of the utility model can be realized by the following technical proposal: novel piece is arranged to fire of combustor, which comprises a housin, the both sides of casing all be equipped with inlet channel, two the inlet channel symmetry set up, the upper end of casing the combustion chamber has, inlet channel's upper end with the combustion chamber be linked together, the upper end in combustion chamber be equipped with the combustion plate, a serial communication port, inlet channel include air intake portion and drainage portion, the upper and lower both ends of drainage portion be linked together with the upper end of combustion chamber and air intake portion respectively, the lower extreme of air intake portion be the air inlet, air intake portion by the outside slope setting of up toward the casing down, drainage portion by the middle part slope setting up toward the casing down.
Get into inlet channel along the portion of admitting air as the gas, and the air of the air inlet department that drives the portion of admitting air flows toward inlet channel, gas and air mix and flow through drainage portion to combustion chamber, the burning is located to the combustion plate in combustion chamber burning, because the portion of admitting air sets up by the outside slope of down up toward the casing, drainage portion sets up by the middle part slope of down up toward the casing, can effectively reduce the tempering that the burning produced, combustion efficiency has been improved, the inlet channel of vertical setting for ordinary fire row piece simultaneously, this fire row piece has compact structure, thereby save material reduce the cost, simultaneously this novel fire row piece of combustor is applicable to the inversion installation, the combustion chamber is located the downside promptly, the air inlet is located the upside, have the advantage of using nimble and application scope more .
In the fire row piece of the novel burner, the lower end of the air inlet part is an air inlet, and the air inlet is a bell mouth with a downward opening. The air inlet is a horn mouth, and has the advantage of good air inlet effect.
In the fire row piece of the novel burner, the width of the lower end of the flow guide part is larger than that of the upper end of the flow guide part. By adopting the arrangement, the backfire can be effectively avoided, and the combustion efficiency is improved.
In the fire row piece of the novel burner, the air inlet part is in a straight hole shape, and the included angle a formed by the axis of the air inlet part and the horizontal line is 52-65 degrees. Preferably, the air inlet portion forms an angle a of 60 ° with the horizontal.
In the fire row piece of foretell novel combustor, the lateral wall of drainage portion on all be equipped with the location boss just the equal symmetry of location boss set up. The positioning lug boss between the adjacent fire discharge sheets of the burner is abutted, so that the fire discharge sheets have a better positioning effect, the machining precision of the shell of the fire discharge is reduced, and the manufacturing cost is reduced.
In the fire row piece of the novel burner, the shell comprises a plate body with a groove in the middle and a plate body II, the groove of the plate body and the groove of the plate body II form the combustion cavity and the air inlet channel, and the groove of the plate body and the groove of the plate body II form the combustion cavity and the air inlet channel.
In the fire row piece of the novel burner, the plate is attached to the second plate and the two sides of the plate are provided with flanges and the flanges are attached to the outer side wall of the second plate, the flanges of the plate are attached to the second plate to realize the two-phase fixation of the plate and the plate, so that the fire row piece has firm connection and is convenient to manufacture, and meanwhile, the gas leakage in a combustion chamber is avoided.
In the fire row piece of the novel burner, the middle part of the shell is provided with a plurality of communicating holes for the cooling pipe to pass through, and the communicating holes are positioned between the two air inlet channels. Through setting up foretell intercommunicating pore, the cooling tube of being convenient for inserts, has the comparatively convenient advantage of installation.
In the fire row piece of the novel burner, the plate body and the plate body II are made of aluminum alloy, the plate body and the plate body II are made of aluminum alloy, the fire row piece has the advantages of light weight and long service life, and as another modes, the plate body and the plate body II are made of stainless steel materials.
Compared with the prior art, this piece is arranged to fire of novel combustor has following advantage:
1. because the air inlet part is obliquely arranged from bottom to top to the outer side of the shell, and the flow guide part is obliquely arranged from bottom to top to the middle part of the shell, the back fire generated by combustion can be effectively reduced, the combustion efficiency is improved, and compared with the vertically arranged air inlet channel of the common fire grate segment, the fire grate segment has a compact structure, saves materials and reduces the cost;
2. because the air inlet part is obliquely arranged from bottom to top to the outer side of the shell and the drainage part is obliquely arranged from bottom to top to the middle part of the shell, the fire grate segment of the novel combustor is suitable for inverted installation, namely the combustion cavity is positioned at the lower side and the air inlet is positioned at the upper side, and the novel combustor has the advantages of flexible use and wider application range of ;
3. the width of the lower end of the flow guide part is larger than that of the upper end of the flow guide part, so that tempering can be effectively avoided, and the combustion efficiency is improved;
4. the positioning lug boss between the adjacent fire discharge sheets of the burner is abutted, so that the fire discharge sheets have a better positioning effect, the machining precision of the shell of the fire discharge is reduced, and the manufacturing cost is reduced.
Drawings
Fig. 1 is a perspective view of a fire row sheet of the novel burner.
In the figure, 1, a housing; 2. an air intake passage; 2a, an air inlet part; 2b, a drainage part; 2c, an air inlet; 3. a combustion chamber; 4. a combustion plate; 5. positioning the boss; 6. flanging; 7. and a communicating hole.
Detailed Description
The following is a description of the technical solution of the present invention in steps with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the piece is arranged to novel combustor's fire, including casing 1, casing 1's both sides all are equipped with inlet channel 2, two inlet channel 2 symmetries set up, casing 1's upper end has combustion chamber 3, inlet channel 2's upper end is linked together with combustion chamber 3, combustion chamber 3's upper end is equipped with combustion plate 4, inlet channel 2 includes inlet portion 2a and drainage portion 2b, the upper and lower both ends of drainage portion 2b are linked together with combustion chamber 3 and inlet portion 2 a's upper end respectively, inlet portion 2 a's lower extreme is air inlet 2c, air inlet 2c is the horn mouth of opening down.
The air inlet part 2a is obliquely arranged from bottom to top towards the outer side of the shell 1, the air inlet part 2a is in a straight hole shape, and an included angle a formed by the axis of the air inlet part 2a and the horizontal line is 52-65 degrees. Preferably, the air inlet portion 2a forms an angle a of 60 ° with the horizontal.
The shell body 1 comprises a plate body with a groove in the middle and a second plate body, wherein the plate body and the second plate body are made of aluminum alloy, the groove of the plate body and the groove of the second plate body form the combustion chamber 3 and the air inlet channel 2, the structure is simple, the manufacturing is convenient, the plate body is attached to the second plate body, the two sides of the plate body are provided with flanges 6, the flanges 6 are attached to the outer side wall of the second plate body, the two-phase connection of the plate body and the two-phase plate body is achieved, firm connection is achieved, the manufacturing is convenient, and meanwhile gas leakage in the combustion chamber 3 is.
The middle part of the shell 1 is provided with a plurality of communicating holes 7 for the cooling pipes to pass through, and the communicating holes 7 are positioned between the two air inlet channels 2, so that the cooling pipes can be conveniently inserted, and the shell has the advantage of being convenient to install. The edge of the communicating hole 7 is provided with a flanging, so that the cooling pipe has a good positioning effect.
When gas gets into inlet channel 2 along inlet portion 2a, and the air that drives inlet portion 2 a's air inlet 2c department flows toward inlet channel 2, gas and air mix and flow through drainage portion 2b to combustion chamber 3, the burning of 4 departments of combustion chamber 3's combustion plate, because inlet portion 2a is from lower to upper to the outside slope setting of casing 1, drainage portion 2b is from lower to upper to the middle part slope setting of casing 1, can effectively reduce the tempering that the burning produced, combustion efficiency has been improved, simultaneously for the inlet channel of the vertical setting of ordinary fire row piece, this fire row piece has compact structure, save material thereby the cost is reduced, simultaneously this novel combustor's fire row piece is applicable to the inversion installation, combustion chamber 3 is located the downside, air inlet 2c is located the upside, have the advantage of using nimble and application scope than , air inlet 2c is the horn mouth, have the better advantage of effect of admitting air, location 5 bosss between the adjacent fire row piece of combustor lean on, have better location effect to fire row piece, thereby the casing that fire row piece is reduced the manufacturing accuracy of making, the cost reduction has reduced.
The plate body and the plate body two are made of aluminum alloy, and have the advantages of light weight and long service life, and as another modes, the plate body and the plate body two are made of stainless steel materials.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the housing 1, the intake passage 2, the intake portion 2a, the drain portion 2b, the intake port 2c, the combustion chamber 3, the combustion plate 4, the positioning boss 5, the flange 6, the communication hole 7, etc. are used more frequently herein, the possibility of using other terms is not excluded.
Claims (9)
1. The novel fire grate segment of the combustor comprises a shell (1), wherein air inlet channels (2) are arranged on two sides of the shell (1), the two air inlet channels (2) are symmetrically arranged, the upper end of the shell (1) is provided with a combustion chamber (3), the upper end of the air inlet channel (2) is communicated with the combustion chamber (3), the upper end of the combustion chamber (3) is provided with a combustion plate (4), characterized in that the air inlet channel (2) comprises an air inlet part (2a) and a drainage part (2b), the upper end and the lower end of the drainage part (2b) are respectively communicated with the combustion cavity (3) and the upper end of the air inlet part (2a), the lower end of the air inlet part (2a) is provided with an air inlet (2c), the air inlet part (2a) is obliquely arranged from bottom to top to the outer side of the shell (1), the drainage part (2b) is obliquely arranged from bottom to top towards the middle part of the shell (1).
2. The fire row sheet of the novel burner as claimed in claim 1, wherein the lower end of the air inlet part (2a) is an air inlet (2c) and the air inlet (2c) is a bell mouth with a downward opening.
3. The fire row fin of a novel burner as claimed in claim 1, characterized in that the width of the lower end of the flow guide (2b) is greater than the width of the upper end thereof.
4. The fire row sheet of the novel burner as claimed in claim 1, characterized in that the air inlet part (2a) is straight and the axis of the air inlet part (2a) forms an angle a of 52-65 ° with the horizontal.
5. The fire row piece of the novel burner as claimed in claim 1, 2, 3 or 4, wherein the outer side wall of the flow guide part (2b) is provided with positioning bosses (5) and the positioning bosses (5) are symmetrically arranged.
6. The fire row plate of the novel burner as claimed in claim 1, 2, 3 or 4, wherein the housing (1) comprises a plate body with a groove in the middle and a second plate body, and the groove of the second plate body and the groove of the second plate body form the combustion chamber (3) and the air inlet channel (2).
7. The fire row plate of the novel burner as claimed in claim 6, wherein the plate is attached to the second plate and the two sides of the plate are provided with flanges (6) and the flanges (6) are attached to the outer side wall of the second plate.
8. The fire row fin of the novel burner as claimed in claim 1, 2, 3 or 4, characterized in that the middle of the shell (1) is provided with a plurality of communication holes (7) for cooling pipes to pass through, and the communication holes (7) are positioned between the two air inlet channels (2).
9. The fire row plate of the novel burner as claimed in claim 6, wherein the plate and the plate II are made of aluminum alloy.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778781.5U CN210004392U (en) | 2019-05-27 | 2019-05-27 | Fire grate segment of novel burner |
| PCT/CN2019/091657 WO2020237746A1 (en) | 2019-05-27 | 2019-06-18 | Novel burner fire grate segment |
| DE202019104846.8U DE202019104846U1 (en) | 2019-05-27 | 2019-09-03 | New fire row piece of the burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778781.5U CN210004392U (en) | 2019-05-27 | 2019-05-27 | Fire grate segment of novel burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210004392U true CN210004392U (en) | 2020-01-31 |
Family
ID=68276705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920778781.5U Expired - Fee Related CN210004392U (en) | 2019-05-27 | 2019-05-27 | Fire grate segment of novel burner |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN210004392U (en) |
| DE (1) | DE202019104846U1 (en) |
| WO (1) | WO2020237746A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2731265B1 (en) * | 1995-03-02 | 1997-05-09 | Chaffoteaux Et Maury | GAS BURNER HAVING IMPROVED ACOUSTIC DISCRETION |
| AT406508B (en) * | 1997-10-08 | 2000-06-26 | Vaillant Gmbh | GAS BURNER |
| CN206803145U (en) * | 2017-06-16 | 2017-12-26 | 浙江广涛卫厨有限公司 | A kind of burner |
| 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 |
| CN207622014U (en) * | 2017-11-01 | 2018-07-17 | 芜湖美的厨卫电器制造有限公司 | Burner and water heater with it |
| CN207936065U (en) * | 2018-01-17 | 2018-10-02 | 刘运华 | A kind of uniform ultralow oxynitride discharge gas burner of flameholding |
| CN209688840U (en) * | 2019-03-01 | 2019-11-26 | 浙江广涛卫厨有限公司 | The fire row piece of novel burner |
-
2019
- 2019-05-27 CN CN201920778781.5U patent/CN210004392U/en not_active Expired - Fee Related
- 2019-06-18 WO PCT/CN2019/091657 patent/WO2020237746A1/en active Application Filing
- 2019-09-03 DE DE202019104846.8U patent/DE202019104846U1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020237746A1 (en) | 2020-12-03 |
| DE202019104846U1 (en) | 2019-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200131 Termination date: 20200527 |