CN110617616B - Combustor subassembly and gas heater - Google Patents
Combustor subassembly and gas heater Download PDFInfo
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- CN110617616B CN110617616B CN201910995926.1A CN201910995926A CN110617616B CN 110617616 B CN110617616 B CN 110617616B CN 201910995926 A CN201910995926 A CN 201910995926A CN 110617616 B CN110617616 B CN 110617616B
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- positioning
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 claims description 182
- 239000000463 material Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 46
- 230000000694 effects Effects 0.000 description 15
- 238000001816 cooling Methods 0.000 description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
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- 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
- 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
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/78—Cooling burner parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
-
- 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
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
-
- 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
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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)
- Air Supply (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Abstract
The invention relates to a water heater and discloses a burner positioning bracket which comprises a second connecting part, a second clamping part and a third clamping part, wherein the second clamping part and the third clamping part are respectively connected to two opposite ends of the second connecting part in an included angle manner; the second connecting part is provided with a positioning bulge; the second clamping part and the third clamping part are provided with clamping grooves; the third clamping connection part is provided with a flow guide hole, and/or the connection part of the second connection part and the third clamping connection part is provided with a flow guide hole; the second clamping part is provided with a first air guide through hole; and/or a second air guide through hole is formed in the joint of the second connecting part and the second clamping part. In addition, the invention also discloses a burner frame, a burner assembly comprising the burner positioning bracket and the burner frame and a water heater comprising the burner assembly. The burner positioning bracket is simple in structure, accurate in positioning, convenient and fast to assemble, and low in material consumption in assembly.
Description
RELATED APPLICATIONS
The application is a divisional application of Chinese patent application with the application number of 201810140889.1, the application date of 2018, 10.02 and the invention name of 'combustion chamber structure and gas water heater'.
Technical Field
The invention relates to the technical field of water heaters, in particular to a combustion chamber structure and a gas water heater using the same.
Background
The traditional rich-lean combustion chamber structure generally adopts a strong-drum rich-lean combustion chamber structure, namely, a fan is arranged below the combustion chamber and blows air into the combustion chamber in a fan blowing mode to provide primary and secondary air required by a combustor in the combustion chamber.
However, the combustion chamber is required to have high sealing performance due to the adoption of the strong drum type combustion, and the problem that the noise caused by vibration and squeal is easy to occur in the use process of the whole machine due to the sealing of the combustion chamber is solved.
Disclosure of Invention
The main object of the present invention is to provide a combustion chamber structure with less sealing requirements and reduced risk of vibration squeal.
In order to achieve the above object, the present invention provides a combustion chamber structure applied to a gas water heater, the gas water heater including a fan, the combustion chamber structure including:
the combustion chamber, and an opening and an air inlet hole which are communicated with the combustion chamber are arranged in the shell;
the combustor is accommodated in the combustion chamber and provided with a combustion fire hole; and
the exhaust support is connected between the combustor and the inner wall of the combustion chamber, the exhaust support divides the combustion chamber into a combustion cavity communicated with the opening and a flow guide cavity communicated with the air inlet hole, the combustion fire hole is positioned in the combustion cavity, the exhaust support is provided with a plurality of flow guide holes at intervals, the flow guide holes are communicated with the combustion cavity and the flow guide cavity, and the flow guide holes are arranged adjacent to the combustion fire hole;
the fan is arranged close to the opening, and the fan pumps air so that the air enters the combustion chamber from the air inlet hole and then is discharged from the opening.
Optionally, the exhaust support comprises a burner support and a burner positioning support which are arranged oppositely, and a third support and a fourth support which are arranged oppositely, the burner support, the third support, the burner positioning support and the fourth support are sequentially arranged around the burner in an enclosing manner, and the flow guide holes are formed in the first support to the fourth support.
Optionally, a plurality of protruding blocks are convexly arranged on two opposite sides of the burner in an extending mode, a plurality of clamping grooves are formed in the burner support and the burner positioning support, and each protruding block is inserted into one clamping groove.
Optionally, the burner bracket includes a first connecting portion connected to an inner wall of the combustion chamber and a first clamping portion connected to the first connecting portion at an included angle, the first clamping portion is located between the inner wall of the combustion chamber and an outer portion of the burner, and the first clamping portion is provided with the clamping groove;
the first clamping portion is provided with the flow guide hole, and/or the connection position of the first connecting portion and the first clamping portion is provided with the flow guide hole.
Optionally, the burner positioning bracket includes a second connecting portion connected to an inner wall of the combustion chamber, and a second clamping portion and a third clamping portion connected to opposite ends of the second connecting portion at included angles, respectively, the second clamping portion and the third clamping portion are sequentially disposed between the inner wall of the combustion chamber and an outer portion of the burner in a direction from the air inlet to the opening, and the second clamping portion and the third clamping portion are both provided with the clamping groove;
the third clamping connection portion is provided with the diversion hole, and/or the connection position of the second connection portion and the third clamping connection portion is provided with the diversion hole.
Optionally, the second clamping portion is provided with a first air guiding through hole; and/or a second air guide through hole is formed in the joint of the second connecting part and the second clamping part.
Optionally, the second connecting portion are provided with positioning protrusions, positioning grooves are concavely formed in the inner wall of the combustion chamber, and the positioning protrusions are clamped in the positioning grooves.
Optionally, the casing includes a combustion chamber cover plate and a burner frame connected to each other, the combustion chamber cover plate includes a first side portion and a bottom portion connected to each other, the burner frame includes a second side portion, a third side portion and a fourth side portion formed by extending two opposite sides of the second side portion, the third side portion and the fourth side portion are connected to the bottom portion, two sides of the first side portion are respectively connected to the third side portion and the fourth side portion, the air inlet hole is opened in the bottom portion, and the bottom portion, the first side portion and the fourth side portion enclose to form the combustion chamber and the opening.
Optionally, a first bearing portion is convexly disposed on a surface of the third side portion opposite to the fourth side portion, a second bearing portion is convexly disposed on a surface of the fourth side portion opposite to the third side portion, and two sides of the bottom portion are respectively borne on the first bearing portion and the second bearing portion; and/or the presence of a gas in the atmosphere,
the surface of the third side part opposite to the fourth side part is convexly provided with a first limiting part, the surface of the fourth side part opposite to the third side part is convexly provided with a second limiting part, and two sides of the first side part are respectively connected with the first limiting part and the second limiting part.
The invention also provides a gas water heater, comprising a fan and a combustion chamber structure, wherein the fan is arranged near the opening, and the combustion chamber structure comprises:
the combustion chamber, and an opening and an air inlet hole which are communicated with the combustion chamber are arranged in the shell;
the combustor is accommodated in the combustion chamber and provided with a combustion fire hole; and
the exhaust support is connected between the combustor and the inner wall of the combustion chamber, the exhaust support divides the combustion chamber into a combustion chamber communicated with the opening and a flow guide chamber communicated with the air inlet hole, the combustion fire hole is positioned in the combustion chamber, the exhaust support is provided with a plurality of flow guide holes at intervals, the flow guide holes are communicated with the combustion chamber and the flow guide chamber, and the flow guide holes are arranged adjacent to the combustion fire hole;
the fan is arranged close to the opening, and the fan pumps air so that the air enters the combustion chamber from the air inlet hole and then is discharged from the opening.
The combustion chamber structure of the technical scheme of the invention adopts the fan to pump air when in use, so that the air enters the combustion chamber from the air inlet hole and is discharged from the opening, and the strong-pumping combustion chamber structure is arranged, so that the sealing requirement of the combustion chamber is reduced, the combustion chamber can be arranged to be not completely sealed, the risk of vibration squeaking is reduced, and the user requirement of reducing noise when being applied to a gas water heater can be met. The burner is connected with the inner wall of the combustion chamber through the exhaust support, so that the burner is limited and fixed, the problem of shaking of the burner is avoided, the guide holes are formed in the exhaust support and are used for guiding air in the guide cavities to the combustion chamber, the air guided by the guide holes can supplement secondary air for combustion of a combustion burner, more sufficient combustion of gas is facilitated, the energy utilization rate of gas combustion is higher, the emission of pollutants such as nitrogen oxides and the like caused by incomplete combustion is reduced, and the energy-saving and environment-friendly burner is energy-saving; simultaneously, the water conservancy diversion hole that sets up on exhaust support can be with the lower air water conservancy diversion of water conservancy diversion intracavity temperature to the combustion chamber in, and form a mobile air bed between the combustion burner of combustor and the inner wall of combustion chamber, a large amount of heats can be taken away to this mobile air bed, can produce when burning the burner to keep apart between the higher temperature and the inner wall of combustion chamber, thereby have thermal-insulated cooling's effect to the inner wall of combustion chamber, reduce the temperature rise of combustion chamber structure during operation casing effectively, and can fully be applied to the heating to water with the heat that the gas combustion produced, and the heating efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a combustion chamber according to an embodiment of the present invention;
FIG. 2 is a front view of the combustor configuration shown in FIG. 1;
FIG. 3 is a bottom view of the combustion chamber configuration shown in FIG. 1;
FIG. 4 is a top view of the combustion chamber configuration shown in FIG. 1;
FIG. 5 is an internal structural view of the combustion chamber structure shown in FIG. 1;
FIG. 6 is an exploded view of the combustion chamber configuration shown in FIG. 1;
FIG. 7 is a schematic view of a burner mount in the combustor configuration shown in FIG. 6;
FIG. 8 is a schematic view of a burner positioning bracket of the combustor configuration shown in FIG. 6;
fig. 9 is a structural view of a third bracket or a fourth bracket in the structure of the combustion chamber shown in fig. 6.
Description of the reference numerals
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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 inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions relating to "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The present invention provides a combustion chamber structure 100.
Referring to fig. 1 to 5, a combustion chamber structure 100 according to an embodiment of the present invention is applied to a gas water heater, the gas water heater includes a fan 40, and the combustion chamber structure 100 includes:
a shell 10, wherein a combustion chamber 101, an opening 102 communicated with the combustion chamber 101 and an air inlet 103 are arranged in the shell 10;
the burner 20, the burner 20 is accommodated in the combustion chamber 101, the burner 20 has burning the burner 201; and
the exhaust support 30 is connected between the combustor 20 and the inner wall of the combustion chamber 101, the exhaust support 30 divides the combustion chamber 101 into a combustion cavity 1011 communicated with the opening 102 and a flow guide cavity 1012 communicated with the air inlet hole 103, the combustion fire hole 201 is positioned in the combustion cavity 1011, the exhaust support 30 is provided with a plurality of flow guide holes 301 at intervals, the flow guide holes 301 are communicated with the combustion cavity 1011 and the flow guide cavity 1012, and the flow guide holes 301 are arranged adjacent to the combustion fire hole 201;
the fan 40 is disposed adjacent to the opening 102, and the fan 40 pumps air so that the air is discharged from the opening 102 after entering the combustion chamber 101 through the air inlet holes 103.
As shown in fig. 5, the casing 10 is in the shape of a square tube with an upward opening and a closed bottom, and the air inlet hole 103 is opened at the bottom of the casing 10 and communicates with the combustion chamber 101. Specifically, the combustor structure 100 of the present application is preferably used in a rich-lean type combustor, that is, preferably applied to a combustor in which rich gas and lean gas are input to perform mixed combustion.
In the application, the exhaust support 30 and the inner wall of the combustion chamber 101 can be fixedly connected or detachably connected through one, two or more of clamping, threaded connection or welding and the like; the exhaust support 30 and the exterior of the burner 20 can be fixedly connected or detachably connected through one, two or more combinations of clamping, threaded connection or welding, that is, the exhaust support 30 connects the exterior of the burner 20 and the inner wall of the combustion chamber 101, so that the burner 20 is limited and fixed, the movement of the burner 20 is limited, and the shaking problem is avoided. The exhaust bracket 30 may be made of a material having high temperature resistance and a relatively hard texture, such as metal.
The water conservancy diversion hole 301 mainly plays the effect of conducting and guiding the gas flow direction, preferably, but a plurality of water conservancy diversion holes 301 interval is even and encircle setting around the burning burner 201 of combustor 20, water conservancy diversion hole 301 on the exhaust support 30 can be radial arrangement, net-shaped or array form arranges etc. for water conservancy diversion hole 301 water conservancy diversion gets into the more even of air distribution in burning chamber 1011, be favorable to carrying out the replenishment of secondary air to the burning of combustor 20 more, make the burning of combustor 20 more abundant, the burning flame of burning burner 201 is more even, and can further eliminate the whistling noise that produces in the burning, can promote the comfortable value of experience that the user used when being applied to gas heater. The shape of the diversion hole 301 may be designed in various shapes, such as a circle, an ellipse, a triangle, a quadrangle, a polygon, etc., and may be set according to the actual situation in a specific application. In addition, the number of the diversion holes 301, the aperture size of the diversion holes 301, the distance between adjacent diversion holes 301, and the like can be set according to specific applications.
According to the technical scheme, the fan 40 is adopted to pump air in the combustion chamber structure 100 when the combustion chamber structure 100 is used, so that the air enters the combustion chamber 101 from the air inlet hole 103 and is discharged from the opening 102, and the strong-pumping type combustion chamber structure 100 is arranged, so that the sealing requirement of the combustion chamber 101 is reduced, the combustion chamber 101 can be arranged to be not completely sealed, the risk of vibration squeaking is reduced, and the user requirement for reducing noise when the combustion chamber structure 100 is applied to a gas water heater can be met. The combustor 20 is connected with the inner wall of the combustion chamber 101 through the exhaust support 30, so that the combustor 20 is limited and fixed, the problem that the combustor 20 shakes is avoided, the exhaust support 30 is provided with the flow guide holes 301 for guiding air in the flow guide cavity 1012 to the combustion cavity 1011, the air guided by the flow guide holes 301 can supplement secondary air for combustion of the combustion burner 201, more sufficient combustion of gas is facilitated, the energy utilization rate of gas combustion is higher, emission of pollutants such as nitrogen oxides and the like caused by incomplete combustion is reduced, energy conservation and environmental protection are achieved; meanwhile, the flow guide holes 301 formed in the exhaust bracket 30 can guide the air with lower temperature in the flow guide cavity 1012 to the combustion cavity 1011, and a flowing air layer is formed between the combustion burner 201 of the combustor 20 and the inner wall of the combustion chamber 101, and the flowing air layer can take away a large amount of heat, and can isolate the higher temperature generated when the combustion burner 201 is combusted from the inner wall of the combustion chamber 101, so that the inner wall of the combustion chamber 101 has the functions of heat insulation and cooling, the temperature rise of the shell 10 during the work of the combustion chamber structure 10 is effectively reduced, the heat generated by the gas combustion can be fully applied to the heating of water, and the heating efficiency is improved.
Referring to fig. 4 and 5, the exhaust bracket 30 includes a burner bracket 31 and a burner positioning bracket 32 that are disposed oppositely, and a third bracket 33 and a fourth bracket 34 that are disposed oppositely, the burner bracket 31, the third bracket 33, the burner positioning bracket 32, and the fourth bracket 34 are sequentially disposed around the burner 20, and the burner bracket 31 to the fourth bracket 34 are all provided with a diversion hole 301.
Through setting up combustor support 31 in this application, combustor locating support 32, third support 33 and fourth support 34 are two liang of relatively enclosing to close around combustor 20, the assembly is comparatively quick simple and convenient, through all beginning to have water conservancy diversion hole 301 on combustor support 31 to fourth support 34, it is more reasonable to do benefit to the distribution of air water conservancy diversion, more even, help evenly to provide the replenishment of secondary air, promote the abundant burning of gas, form the air bed that surrounds combustor 20 burning fire door 201's flow, it is showing effectively more to the thermal-insulated cooling effect of the inner wall of combustion chamber 101.
Referring to fig. 4 to fig. 6, a plurality of protrusions 21 are protruded from two opposite sides of the burner 20, a plurality of slots 302 are formed in the burner bracket 31 and the burner positioning bracket 32, and each protrusion 21 is inserted into one slot 302.
Specifically, as shown in fig. 6, be equipped with a plurality of combustor monoliths side by side in the combustor 20, the combustor monoliths forms lug 21, in order to carry out spacing fixed with the combustor monoliths, and further fix combustor 20, draw-in groove 302 and the cooperation of lug 21 joint on combustor support 31 and the combustor locating support 32 through relative setting, and the notch direction of draw-in groove 302 all inwards, namely, fix each combustor monoliths centre gripping in combustion chamber 101, thereby all carry out spacing fixed effect to the combustor monoliths in the front and back left and right sides direction, avoid combustor 20 to appear rocking scheduling problem at the during operation, thereby make combustor support 31 and combustor locating support 32 have the air guide simultaneously, spacing fixed combustor monoliths' effect.
Referring to fig. 5, fig. 6 and fig. 7, the burner bracket 31 includes a first connecting portion 311 connected to an inner wall of the combustion chamber 101 and a first engaging portion 312 connected to the first connecting portion 311 at an included angle, the first engaging portion 312 is located between the inner wall of the combustion chamber 101 and an outer portion of the burner 20, and the first engaging portion 312 is provided with an engaging groove 302; the first engaging portion 312 has a guiding hole 301, and/or the connecting portion 312 and the first engaging portion 312 have a guiding hole 301.
It should be noted that, one of the first connection portion 311 and the inner wall of the combustion chamber 101 may further be provided with a limiting protrusion, the other may be provided with a limiting groove, the positioning between the first connection portion 311 and the inner wall of the combustion chamber 101 is completed through the clamping and engaging of the limiting protrusion and the limiting groove, and then the burner bracket 31 may be fixedly connected to the inner wall of the combustion chamber 101 through welding or the like.
In this application, one of the two joints of the first clamping portion 312, the first connecting portion 312 and the first clamping portion 312 has been provided with the diversion hole 301, or both have been provided with the diversion hole 301, and the diversion hole 301 can be set according to specific applications. First, the flow guide hole 301 is formed at the first clamping portion 312 between the inner wall of the combustion chamber 101 and the outside of the combustor 20, so as to form a flowing air layer between the combustion burner 201 of the combustor 20 and the inner wall of the combustion chamber 101, so that the secondary air can be supplemented to the combustion of the combustor 20, and the high temperature generated during the combustion of the combustion burner 201 can be isolated from the inner wall of the combustion chamber 101, thereby having the function of heat insulation and temperature reduction on the inner wall of the combustion chamber 101. In addition, because easily form the dead angle between the plate body of two block borders on, and the gas flow nature at here is relatively poor, for avoiding the production at border on department dead angle, improve this department's gas flow performance, play better cooling effect, set up water conservancy diversion hole 301 through the junction at first connecting portion 312 and first joint portion 312, make the air of below can dash the water conservancy diversion hole 301 at here fast and upwards discharge, the gaseous thrust of border on department has been avoided, and can reach better thermal-insulated cooling, reduce the effect of casing 10 during operation temperature rise.
Referring to fig. 5, 6 and 8, the burner positioning bracket 32 includes a second connecting portion 321 connected to the inner wall of the combustion chamber 101, and a second clamping portion 322 and a third clamping portion 323 respectively connected to two opposite ends of the second connecting portion 321 at an included angle, the second clamping portion 322 and the third clamping portion 323 are sequentially disposed between the inner wall of the combustion chamber 101 and the outside of the burner 20 from the air inlet 103 to the opening 102, and the second clamping portion 322 and the third clamping portion 323 are both provided with a clamping groove 302; the third engaging portion 323 has a diversion hole 301, and/or a diversion hole 301 is formed at a connection between the second connecting portion 321 and the third engaging portion 323.
In this application, one of the two connecting portions of the third engaging portion 323, the second connecting portion 321, and the third engaging portion 323 has been provided with the diversion hole 301, or both have been provided with the diversion hole 301, and the diversion hole 301 can be set according to specific applications. First, the third engaging portion 323 between the inner wall of the combustion chamber 101 and the outside of the combustor 20 is provided with the flow guide hole 301 for forming a flowing air layer between the combustion burner 201 of the combustor 20 and the inner wall of the combustion chamber 101, so that the secondary air can be supplemented for the combustion of the combustor 20, and the high temperature generated during the combustion of the combustion burner 201 can be isolated from the inner wall of the combustion chamber 101, thereby having the function of heat insulation and temperature reduction on the inner wall of the combustion chamber 101. In addition, because easily form the dead angle between the plate body of two block adjacencies, and the gas mobility at this place is relatively poor, for avoiding the production at adjacency department dead angle, improve this department gas flow performance, play better cooling effect, set up water conservancy diversion hole 301 through the junction at second connecting portion 321 and third joint portion 323, make the air of below can dash the water conservancy diversion hole 301 at this place fast and upwards discharge, avoided the gaseous thrust of adjacency department, and can reach better thermal-insulated cooling, reduce the effect of casing 10 during operation temperature rise.
Further, the second clamping portion 322 is provided with a first air guiding via hole 3221; and/or a second wind guiding via 3211 is formed at a joint of the second connecting portion 321 and the second clamping portion 322.
In this application, air enters the combustion chamber 101 through the air inlet hole 103 formed in the bottom of the housing 10, and enters between the second clamping portion 322 and the third clamping portion 323 through the first air guiding via hole 3221 or the second air guiding via hole 3211, and further enters the combustion chamber 1011 to provide secondary air for combustion of the burner 20 and to insulate heat and cool through the flow guide hole 301 at the third clamping portion 323 or the flow guide hole 301 at the connection between the second connection portion 321 and the third clamping portion 323. That is, as shown in fig. 5, in the flow direction of the air, the first air guiding through hole 3221 and the second air guiding through hole 3211 are located before the diversion hole 301, and as shown in fig. 8, the aperture of the first air guiding through hole 3221 is larger than the aperture of the diversion hole 301 formed at the third fastening portion 323, or is larger than the aperture of the diversion hole 301 formed at the connection between the second connecting portion 321 and the third fastening portion 323, so that the air can pass through the air guiding through hole 3221 quickly, the air intake is increased, and then the air distribution adjustment and the uniform arrangement need to be performed through the diversion hole 301.
Furthermore, the second connecting portion 321 has a positioning protrusion 3212, a positioning groove 1013 is concavely formed on an inner wall of the combustion chamber 101, and the positioning protrusion 3212 is engaged with the positioning groove 1013.
Through the protruding 3212 joint of location that sets up through second connecting portion 321 in this application in the concave constant head tank 1013 of establishing of the inner wall of combustion chamber 101, can be fixed a position combustor locating support 32 in combustion chamber 101 fast simple and direct when the assembly, then accessible welding etc. mode is fixed in the inner wall of combustion chamber 101 with combustor locating support 32, promptly, the protruding 3212 and the constant head tank 1013 of location that set up are more favorable to the assembly fixed, have promoted the installation effectiveness.
Referring to fig. 5, fig. 6 and fig. 9, the third bracket 33 includes a third connecting portion 331 connected to the inner wall of the combustion chamber 101 and a first air guiding portion 332 connected to the third connecting portion 331 at an included angle, and the first air guiding portion 332 is located between the inner wall of the combustion chamber 101 and the outside of the burner 20; the first air guiding portion 332 is provided with a guiding hole 301, and/or a connecting portion between the third connecting portion 331 and the first air guiding portion 332 is provided with a guiding hole 301.
It should be noted that one of the third connecting portion 331 and the inner wall of the combustion chamber 101 may be provided with a limiting protrusion, the other one is provided with a limiting groove, the positioning between the third connecting portion 331 and the inner wall of the combustion chamber 101 is completed by the snap-fit of the limiting protrusion and the limiting groove, and then the third bracket 33 may be fixedly connected to the inner wall of the combustion chamber 101 by welding or the like.
In the present application, one of the two connecting portions of the first air guiding portion 332, the third connecting portion 331 and the first air guiding portion 332 is provided with the diversion hole 301, or both of the two connecting portions are provided with the diversion hole 301, which can be set according to specific applications. First, by providing the baffle hole 301 at the first air guide portion 332 between the inner wall of the combustion chamber 101 and the outside of the combustor 20 to form a flowing air layer between the combustion burner 201 of the combustor 20 and the inner wall of the combustion chamber 101, it is possible to supplement the secondary air to the combustion of the combustor 20 and isolate the high temperature generated during the combustion of the combustion burner 201 from the inner wall of the combustion chamber 101, thereby providing the heat insulation and temperature reduction effects on the inner wall of the combustion chamber 101. In addition, because the dead angle is easily formed between two adjacent plate bodies, and the gas mobility at this position is relatively poor, in order to avoid the production at the dead angle of the adjacent position, improve the gas flow performance at this position, play a better cooling effect, set up the water conservancy diversion hole 301 through the junction at third connecting portion 331 and first wind-guiding portion 332, make the air of below can dash the water conservancy diversion hole 301 at this position fast and upwards discharge, avoided the thrust of the adjacent position gas, and can reach better thermal-insulated cooling, reduce the effect of casing 10 during operation temperature rise.
Referring to fig. 5, fig. 6 and fig. 9, the fourth bracket 34 includes a fourth connection portion 341 connected to the inner wall of the combustion chamber 101 and a second wind guiding portion 342 connected to the fourth connection portion 341 at an included angle, and the second wind guiding portion 342 is located between the inner wall of the combustion chamber 101 and the outside of the burner 20; the second air guiding portion 342 is provided with a guiding hole 301, and/or a connecting portion of the fourth connecting portion 341 and the second air guiding portion 342 is provided with a guiding hole 301.
It should be noted that one of the fourth connecting portion 341 and the inner wall of the combustion chamber 101 may be provided with a limiting protrusion, the other one may be provided with a limiting groove, the positioning between the fourth connecting portion 341 and the inner wall of the combustion chamber 101 is completed by the snap-fit of the limiting protrusion and the limiting groove, and then the fourth bracket 34 may be fixedly connected to the inner wall of the combustion chamber 101 by welding or the like.
In the present application, one of the two connecting portions of the second air guiding portion 342, the fourth connecting portion 341 and the second air guiding portion 342 has the diversion hole 301, or both of them have the diversion hole 301, which can be set according to specific applications. First, by providing the baffle hole 301 at the second air guide portion 342 between the inner wall of the combustion chamber 101 and the outside of the combustor 20 to form a flowing air layer between the combustion burner 201 of the combustor 20 and the inner wall of the combustion chamber 101, it is possible to supplement the secondary air to the combustion of the combustor 20 and isolate the high temperature generated during the combustion of the combustion burner 201 from the inner wall of the combustion chamber 101, thereby providing the heat insulation and temperature reduction effects on the inner wall of the combustion chamber 101. In addition, because easily form the dead angle between the plate body of two block borders on, and the gas mobility at here is relatively poor, for avoiding the production at border on department dead angle, improve this department's gas flow performance, play better cooling effect, set up water conservancy diversion hole 301 through the junction at fourth connecting portion 341 and second wind-guiding portion 342, make the air of below can dash the water conservancy diversion hole 301 at here fast and upwards discharge, the gaseous thrust accumulation of border on has been avoided, and can reach better thermal-insulated cooling, reduce the effect of casing 10 during operation temperature rise.
Referring to fig. 1, 2 and 5, the burner 20 has a first gas inlet 202 and a second gas inlet 203, the housing 10 further has a first mounting through hole 104 and a second mounting through hole 105 communicated with the combustion chamber 101, the first gas inlet 202 is communicated with the first mounting through hole 104, and the second gas inlet 203 is communicated with the second mounting through hole 105.
In the application, the first gas inlet 202 and the second gas inlet 203 are used for inputting rich gas and weak gas respectively, and are convenient for the installation and the passing of gas pipelines through the first mounting hole 104 and the second mounting hole 105.
Referring to fig. 1, 4 and 6, the casing 10 includes a combustion chamber cover 11 and a burner frame 12 connected to each other, the combustion chamber cover 11 includes a first side 111 and a bottom 112 connected to each other, the burner frame 12 includes a second side 121, a third side 122 and a fourth side 123 formed by extending two opposite sides of the second side 121, the third side 122 and the fourth side 123 are connected to the bottom 112, two sides of the first side 111 are connected to the third side 122 and the fourth side 123, the bottom 112 is provided with an air inlet 103, and the bottom 112, the first side 111 to the fourth side 123 enclose the combustion chamber 101 and the opening 102.
In the present application, a stepped step is further formed on the first side portion 111, as shown in fig. 1, a fire observation hole, an ignition via hole for ignition, and other structures are further correspondingly formed on the first side portion 111, and a first installation via hole 104, a second installation via hole 105, and the like are provided on the first side portion 111, and are respectively used for inputting the thick gas and the thin gas into the combustor 20 to combust the thick gas and the thin gas.
Preferably, the combustion chamber cover 11 and the burner frame 12 are respectively provided as an integrally formed structure to reduce the number of assembling steps and improve the assembling efficiency. As shown in fig. 6, the shape of the burner frame 12 is U-shaped, and when the burner frame is installed, the first side 111 and the bottom 112 of the combustion chamber cover 11 are only required to be inserted, positioned, connected and fixed to correspond to the U-shaped structure of the burner frame 12, so as to complete the assembly of the casing 10, and thus, the problems of excessive assembly parts of the casing 10, more assembly procedures and reduced assembly efficiency can be reduced.
As shown in fig. 1, fig. 3 and fig. 6, a first supporting portion 1221 is protruded from a surface of the third side portion 122 opposite to the fourth side portion 123, a second supporting portion 1231 is protruded from a surface of the fourth side portion 123 opposite to the third side portion 122, and two sides of the bottom 112 are respectively supported on the first supporting portion 1221 and the second supporting portion 1231;
furthermore, a first position-limiting portion 1222 is convexly disposed on a surface of the third side portion 122 opposite to the fourth side portion 123, a second position-limiting portion 1232 is convexly disposed on a surface of the fourth side portion 123 opposite to the third side portion 122, and two sides of the first side portion 111 are respectively connected to the first position-limiting portion 1222 and the second position-limiting portion 1232.
In the present application, the bottom 112 and the first side portion 111 are subjected to vertical gravity load bearing stress through the first bearing portion 1221 and the second bearing portion 1231, and the first bearing portion 1221 and the second bearing portion 1231 are both provided with mounting holes, and the first bearing portion 1221, the second bearing portion 1231 and the bottom 112 are fixedly connected through connecting parts such as bolts or screws. By providing the first and second stopper portions 1222 and 1232, when mounting, it is only necessary to make the first side portion 111 abut against the first and second stopper portions 1222 and 1232, respectively, and to fix the first and second stopper portions 1222 and 1232 to the first side portion 111 by using a connecting member such as a bolt or a screw, thereby achieving quick insertion and connection fixation between the combustion chamber cover 11 and the burner frame 12.
The invention further provides a gas water heater, which comprises a fan 40 and a combustion chamber structure 100, the specific structure of the combustion chamber structure 100 refers to the above embodiments, and since the gas water heater adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and details are not repeated herein. Of course, the fan 40 can be a variety of fans, such as a centrifugal fan, a cross-flow fan, or an axial-flow fan, etc., and it is only necessary that the fan 40 can draw air to draw the air in the combustion chamber 101 out of the opening 102, so as to create air flow conditions for the strong-suction type combustion chamber, and the selection of the fan 40 can be performed according to actual situations in specific applications.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.
Claims (7)
1. The burner assembly is characterized by comprising a burner frame (12), a burner cover plate (11) connected with the burner frame (12) to form a combustion chamber (101), a burner bracket (31) arranged on the burner cover plate (11), a burner positioning bracket (32) and a burner (20), wherein a positioning bulge (3212) is clamped in a positioning groove (1013) to be suitable for quickly installing and disassembling the burner positioning bracket (32) and limit the freedom degrees of the burner positioning bracket (32) in the up-down direction (Z) and the left-right direction (Y), and the burner positioning bracket (32) is fixed in the left-right direction (Y) in a fixed mode, wherein the burner positioning bracket (32) is fixed in the right-left direction (Y) and the up-down direction (Z) and the left-right direction (Y) in a fixed mode
The burner frame (12) comprises a second side part (121), a third side part (122) and a fourth side part (123) which are formed by extending two opposite sides of the second side part (121), the third side part (122) and the fourth side part (123) enclose to form a U-shaped frame structure, and a positioning groove (1013) is arranged on the second side part (121);
the burner positioning support (32) comprises a second connecting part (321), and a second clamping part (322) and a third clamping part (323) which are connected to two opposite ends of the second connecting part (321) at included angles respectively, wherein the second connecting part (321), the second clamping part (322) and the third clamping part (323) are enclosed to form a U-shaped structure; a positioning projection (3212) is arranged on the second connecting part (321); the second clamping part (322) and the third clamping part (323) are provided with clamping grooves (302); the third clamping part (323) is provided with a diversion hole (301), and/or the connection part of the second connection part (321) and the third clamping part (323) is provided with the diversion hole (301); the second clamping part (322) is provided with a first air guide through hole (3221); and/or a second air guide through hole (3211) is formed at the joint of the second connecting portion (321) and the second clamping portion (322), the aperture of the first air guide through hole (3221) is larger than that of the flow guide hole (301) formed at the third clamping portion (323), and the first air guide through hole (3221) and the clamping groove (302) are arranged at intervals.
2. Burner assembly according to claim 1, wherein one lateral side of each burner (20) is inserted into the slots (302) and the end face of this side abuts against the bottom rectilinear structure of each slot (302), and the other lateral side of each burner (20) is snap-fitted to the burner support (31) and is adapted to limit the freedom of the burner positioning support (32) in the forward-backward direction (X).
3. The burner assembly according to claim 1, wherein the positioning protrusion (3212) is a boss structure having a circular truncated cone structure, a cylindrical structure, a hemispherical structure or a rectangular parallelepiped structure, and the protrusion direction of the positioning protrusion (3212) is opposite to the opening direction of the U-shaped structure.
4. The burner assembly of claim 1, wherein the slot (302) is a U-shaped slot structure, and the opening direction of the U-shaped slot structure is the same as the opening direction of the U-shaped slot structure.
5. The burner assembly of claim 4 wherein the bottom of the U-shaped groove structure is a straight line structure.
6. The burner assembly of claim 1, wherein the detent groove (1013) is a concave structure of a truncated cone structure, a cylinder structure, a hemisphere structure, or a cuboid structure along opposite directions of the burner frame opening.
7. A gas water heater comprising a burner assembly according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910995926.1A CN110617616B (en) | 2018-02-10 | 2018-02-10 | Combustor subassembly and gas heater |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810140889.1A CN110145871B (en) | 2018-02-10 | 2018-02-10 | Combustion chamber structure and gas water heater |
| CN201910995926.1A CN110617616B (en) | 2018-02-10 | 2018-02-10 | Combustor subassembly and gas heater |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810140889.1A Division CN110145871B (en) | 2018-02-10 | 2018-02-10 | Combustion chamber structure and gas water heater |
Publications (2)
| Publication Number | Publication Date |
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| CN110617616A CN110617616A (en) | 2019-12-27 |
| CN110617616B true CN110617616B (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810140889.1A Active CN110145871B (en) | 2018-02-10 | 2018-02-10 | Combustion chamber structure and gas water heater |
| CN201910995926.1A Active CN110617616B (en) | 2018-02-10 | 2018-02-10 | Combustor subassembly and gas heater |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810140889.1A Active CN110145871B (en) | 2018-02-10 | 2018-02-10 | Combustion chamber structure and gas water heater |
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| WO (1) | WO2019154045A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11353243B1 (en) | 2020-12-09 | 2022-06-07 | Haier Us Appliance Solutions, Inc. | Gas fueled water heater appliance having one or more burner mounting features |
| CN114396621A (en) * | 2021-12-22 | 2022-04-26 | 重庆海尔热水器有限公司 | Fire grate, combustor and gas water heater |
| CN114396620A (en) * | 2021-12-22 | 2022-04-26 | 重庆海尔热水器有限公司 | Combustor and gas water heater |
| CN114234438A (en) * | 2021-12-23 | 2022-03-25 | 阿诗丹顿燃具有限公司 | Strong-pumping type heat-preservation gas water heater |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110145871A (en) | 2019-08-20 |
| CN110617616A (en) | 2019-12-27 |
| CN110145871B (en) | 2024-02-23 |
| WO2019154045A1 (en) | 2019-08-15 |
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