CN111678130A - Air-cooled combustor subassembly and use its gas heater - Google Patents
Air-cooled combustor subassembly and use its gas heater Download PDFInfo
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- CN111678130A CN111678130A CN202010514625.5A CN202010514625A CN111678130A CN 111678130 A CN111678130 A CN 111678130A CN 202010514625 A CN202010514625 A CN 202010514625A CN 111678130 A CN111678130 A CN 111678130A
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 72
- 238000001816 cooling Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000006698 induction Effects 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 42
- 230000017525 heat dissipation Effects 0.000 claims description 40
- 239000002356 single layer Substances 0.000 claims description 30
- 239000010410 layer Substances 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000000191 radiation effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- 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
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- 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
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- 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
- F23D14/76—Protecting flame and burner parts
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- 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
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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
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- 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 an air-cooled burner component and a gas water heater using the same, wherein the air-cooled burner component comprises a combustion chamber, a burner and an ignition induction needle assembly, wherein the combustion chamber is formed by enclosing a front surface, a rear surface, a left surface and a right surface; the combustion cavity adopts an air-cooled cooling mode to replace the traditional water-cooled cooling mode, so that the problem of water leakage caused by corrosion of the water-cooled coil can be effectively solved; the primary air cold runner or the secondary air cold runner can be selected according to the heat radiation intensity, the primary air cold runner is selected on the wall surface with low heat radiation intensity, and the secondary air cold runner is selected on the wall surface with high heat radiation intensity, so that the heat radiation effect can be ensured, and the cost can be reduced.
Description
Technical Field
The invention particularly relates to an air-cooled burner assembly and a gas water heater using the same.
Background
In a traditional combustion heat exchange system, a combustion cavity is generally subjected to surface temperature drop treatment in a water-cooling coil cooling mode, but is affected by water quality and environmental factors, and the problem of water leakage caused by corrosion of the coil in a large area of a part of area is solved, so that the service life of the machine is seriously affected.
Air cooling heat exchange is an effective scheme capable of replacing water cooling heat exchange, is gradually known in the combustion heat industry at present, but the heat dissipation result cannot meet the performance requirement of the whole machine due to structural limitation.
Disclosure of Invention
The invention aims to solve at least one of the problems in the prior related art to a certain extent, and therefore, the invention provides an air-cooled burner assembly and a gas water heater using the same.
An air-cooled burner assembly comprises a combustion chamber, a burner and an ignition induction needle assembly, wherein the combustion chamber is formed by enclosing a front surface, a rear surface, a left surface and a right surface;
the primary air-cold runner comprises a single-layer inner cavity, a plurality of first air inlet holes are formed in the wall surface of the combustion cavity and positioned at the outer side of one end of the single-layer inner cavity, a plurality of first air outlet holes are formed in the inner side of the other end of the single-layer inner cavity, and the first air inlet holes, the single-layer inner cavity and the first air outlet holes are communicated in sequence to form the primary air-cold runner;
the secondary air cold runner comprises a double-layer inner cavity, the double-layer inner cavity is composed of a first inner cavity and a second inner cavity, the first inner cavity is located between the inner wall of the combustion cavity and the second inner cavity, a plurality of communicating holes are formed between the first inner cavity and one end, adjacent to the second inner cavity, of the first inner cavity, a second air inlet hole is formed in the other end of the first inner cavity and is located on the wall surface of the combustion cavity, a second air outlet hole is formed in the inner side of the other end of the second inner cavity, and the second air inlet hole, the first inner cavity, the communicating holes, the second inner cavity and the second air outlet hole are sequentially communicated to form the secondary air cold runner.
Furthermore, a plurality of heat dissipation bosses are arranged on the inner wall of the single-layer inner cavity and/or the double-layer inner cavity.
Further, a high-temperature area and a low-temperature area are arranged on at least the front inner wall of the combustion cavity, the high-temperature area is arranged above the low-temperature area, and the distance between the high-temperature area and the flame generated by the combustor is larger than the distance between the low-temperature area and the flame generated by the combustor.
Furthermore, side heat dissipation assemblies are arranged on the left inner wall and the right inner wall of the combustion chamber, a rear heat dissipation assembly is arranged on the rear inner wall of the combustion chamber, a front heat dissipation assembly is arranged on the high-temperature region, the side heat dissipation assembly and the rear heat dissipation assembly both adopt the structure of the primary air cold runner, and the front heat dissipation assembly adopts the structure of the secondary air cold runner.
Further, the side heat dissipation assembly comprises a side heat insulation shell arranged on the inner wall corresponding to the combustion chamber, the side heat insulation shell and the inner wall corresponding to the combustion chamber form the single-layer inner chamber, the first air inlet is arranged on the combustion chamber and located corresponding to the lower portion of the single-layer inner chamber, the first air outlet is arranged on the upper side of the side heat insulation shell, and the heat dissipation boss is arranged on the inner wall of the side heat insulation shell.
Further, back radiator unit is including setting up back heat insulation casing on the back inner wall in combustion chamber, back heat insulation casing with form between the back inner wall in combustion chamber the individual layer inner chamber, first inlet port sets up on the combustion chamber and be located corresponding the lower part of individual layer inner chamber, first venthole sets up the upper portion of back heat insulation casing, the heat dissipation boss sets up on the inner wall of back heat insulation casing.
Further, at least the upper part of the rear heat insulation shell is provided with a convex part, and the first air outlet hole is formed in the convex part.
Further, preceding radiator unit is including setting up thermal-insulated casing before first on the high temperature region, the high temperature region with be equipped with splint before first between the thermal-insulated casing, the high temperature region with splint first preceding thermal-insulated casing forms double-deck inner chamber, first inner chamber sets up between high temperature region and the splint, the second inner chamber sets up splint with between the first preceding thermal-insulated casing, the intercommunicating pore sets up the lower part at splint, the second inlet port sets up the upper portion at the high temperature region, the second venthole sets up the upper portion of first preceding thermal-insulated casing, the heat dissipation boss sets up on the inner wall of first preceding thermal-insulated casing.
Furthermore, a second front heat insulation shell is arranged on the low-temperature area, and a heat insulation cavity is formed between the second front heat insulation shell and the low-temperature area.
A gas water heater comprises the air-cooled burner assembly.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the combustion cavity adopts an air-cooled cooling mode to replace the traditional water-cooled cooling mode, so that the problem of water leakage caused by corrosion of the water-cooled coil can be effectively solved;
2. the primary air cold runner or the secondary air cold runner can be selected according to the heat radiation intensity, the primary air cold runner is selected on the wall surface with low heat radiation intensity, and the secondary air cold runner is selected on the wall surface with high heat radiation intensity, so that the heat radiation effect can be ensured, and the cost can be reduced.
Drawings
FIG. 1 is a perspective view of an air-cooled burner assembly of the present invention;
FIG. 2 is an exploded perspective view of an air-cooled burner assembly of the present invention;
FIG. 3 is an exploded perspective view of the ignition sensing needle assembly of the present invention;
FIG. 4 is a cross-sectional view of a side heat sink assembly of the present invention;
FIG. 5 is a cross-sectional view of the front wall of the combustion chamber, the front heat sink assembly and a second front insulated housing of the present invention;
FIG. 6 is a schematic, partially exploded view of the combustion chamber of the present invention (with the front panel removed);
FIG. 7 is a schematic exploded sectional view of a bottom portion of a combustion chamber of the present invention;
fig. 8 is an exploded perspective view of the front wall of the combustion chamber, the front heat sink assembly and the second front insulated housing 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, an air-cooled burner assembly comprises a combustion chamber 1 formed by enclosing a front face, a rear face, a left face and a right face, a burner 10 arranged in the combustion chamber 1 and an ignition induction needle assembly 11 arranged on the combustion chamber, preferably, the rear face, the left face and the right face are formed by stamping or bending to form a U shape, the front face is separately arranged and is in threaded connection or clamped connection or bonded connection or welded connection with the U-shaped plate formed by the rear face, the left face and the right face to form the combustion chamber 1, and at least one inner wall of the combustion chamber 1 is provided with a primary air cooling runner 2 or a secondary air cooling runner 3; a primary air-cooling runner 2 and/or a secondary air-cooling runner 3 can be arranged on the inner wall of the corresponding combustion chamber 1 according to the heat dissipation requirement.
The primary air and cold runner 2 comprises a single-layer inner cavity 20, a plurality of first air inlet holes 21 are formed in the outer side of one end of the single-layer inner cavity 20 and located on the wall surface of the combustion cavity 1, a plurality of first air outlet holes 22 are formed in the inner side of the other end of the single-layer inner cavity 20, the single-layer inner cavity 20 and the first air outlet holes 22 are sequentially communicated to form the primary air and cold runner 2, external air enters from the first air inlet holes 21 and flows out from the first air outlet holes 22 after flowing from one end of the single-layer inner cavity 20 to the other end, and air cooling heat exchange is achieved.
The secondary cold air runner 3 comprises a double-layer inner cavity 30, the double-layer inner cavity 30 is composed of a first inner cavity 31 and a second inner cavity 32, the first inner cavity 31 is positioned between the inner wall of the combustion cavity 1 and the second inner cavity 32, a plurality of communicating holes 33 are arranged between one ends of the first inner cavity 31 adjacent to the second inner cavity 32, a second air inlet hole 34 is arranged at the other end of the first inner cavity 31 on the wall surface of the combustion cavity 1, a second air outlet hole 35 is arranged on the inner side of the other end of the second inner cavity 32, the second air inlet hole 34, the first inner cavity 31, the communicating holes 33, the second inner cavity 32 and the second air outlet hole 35 are communicated in sequence to form the secondary cold air runner 3, outside air enters one end of the first inner cavity 31 from the second air inlet hole 34, flows to the other end of the first inner cavity 31 from the end and then flows into the second inner cavity 32 from the communicating holes 33, and finally, air flows from one end provided with the communicating hole 33 to the other end in the second inner cavity 32 and flows out from the second air outlet hole 35, so that double-layer air cooling heat exchange is realized.
The hole areas of the first air inlet hole 21 and the second air inlet hole 34 are respectively larger than the hole areas of the corresponding first air outlet hole 22 and the corresponding second air outlet hole 35, and the air inlet holes are larger than the air outlet holes, so that the flowing speed of air is ensured, and the air cooling effect is further ensured.
The inner walls of the single-layer inner cavity 20 and/or the double-layer inner cavity 30 are provided with a plurality of heat dissipation bosses 4, and the heat dissipation bosses 4 are designed to increase the heat exchange area and enable the heat dissipation effect to be better.
The heat dissipation boss 4 is of a spherical structure, and the heat dissipation boss 4 is of the spherical structure, so that the air fluidity is smoother.
According to the invention, at least the front inner wall of the combustion chamber 1 is provided with a high-temperature area 5 and a low-temperature area 6, the high-temperature area 5 is arranged above the low-temperature area 6, the distance between the high-temperature area 5 and the flame generated by the burner 10 is larger than the distance between the low-temperature area 6 and the flame generated by the burner 10, the temperature of the inner wall of the combustion chamber 1 close to the top of the combustion flame is higher due to the fact that the direction of the gas combustion flame is vertical upwards, and therefore the inner wall corresponds to the high-temperature area 5, on the contrary, the bottom of the combustion flame corresponds to the low-temperature area 6, and the intensity of heat radiation is reduced by means of the distance between the high.
In the invention, side heat dissipation assemblies 7 are arranged on the left inner wall and the right inner wall of a combustion chamber 1, a rear heat dissipation assembly 8 is arranged on the rear inner wall of the combustion chamber 1, a front heat dissipation assembly 9 is arranged on a high-temperature area 5, the side heat dissipation assemblies 7 and the rear heat dissipation assembly 8 both adopt the structure of a primary air-cooling runner 2, the front heat dissipation assembly 9 adopts the structure of a secondary air-cooling runner 3, because the direction of gas combustion flame is vertical upwards, the areas of the front side surface and the rear side surface of the combustion chamber are larger than the areas of the left side surface and the right side surface under the general condition, the heat radiation intensity is larger than that of the left side surface and the right side surface, and finally the temperature rise of the front side surface and the rear side surface is higher than that of the left side surface and the right side surface, therefore, the front inner wall of the combustion chamber 1 is provided with a high-temperature area 5 and a low-temperature area 6 and further cooled by adopting the structure of the secondary air, the distance between the rear inner wall of the combustion chamber 1 and the combustion flame is increased to reduce the intensity of heat radiation, which is an optimal heat dissipation scheme considering the manufacturing cost.
The side heat sink assembly 7 of the present invention includes a side heat insulating case 70 provided on the corresponding inner wall of the combustion chamber 1, the single-layer inner cavity 20 is formed between the side heat insulation shell 70 and the corresponding inner wall of the combustion chamber 1, the first air intake holes 21 are provided on the combustion chamber 1 at the lower portion corresponding to the single-layer inner chamber 20, the first air outlet hole 22 is arranged at the upper side of the side heat insulation shell 70, the heat dissipation boss 4 is arranged on the inner wall of the side heat insulation shell 70, the external air enters the single-layer inner cavity 20 through the first air inlet hole 21, flows from one end of the single-layer inner cavity 20 to the other end, and finally flows out of the first air outlet hole 22, in order to realize the effect of forced air cooling heat transfer, heat dissipation boss 4 sets up on the inner wall of the thermal-insulated casing 70 of side, when making heat conduction on heat dissipation boss 4, heat transfer area increase to improve radiating effect.
The rear heat dissipating assembly 8 of the present invention includes a rear heat insulating case 80 provided on the rear inner wall of the combustion chamber 1, the single-layer inner cavity 20 is formed between the rear heat insulation shell 80 and the rear inner wall of the combustion chamber 1, the first air intake holes 21 are provided on the combustion chamber 1 at the lower portion corresponding to the single-layer inner chamber 20, the first air outlet 22 is arranged at the upper part of the rear heat insulation shell 80, the heat dissipation boss 4 is arranged on the inner wall of the rear heat insulation shell 80, the external air enters the single-layer inner cavity 20 through the first air inlet 21, flows from one end of the single-layer inner cavity 20 to the other end, and finally flows out of the first air outlet 22, in order to realize the effect of forced air cooling heat transfer, heat dissipation boss 4 sets up on the inner wall of thermal-insulated casing 80 in back, and when making heat conduction on heat dissipation boss 4, heat transfer area increases to improve radiating effect.
The rear inner wall of the combustion chamber 1 and the inner wall of the high-temperature area 5 are both provided with concave cavities 13 which are concave from inside to outside, and the distances between the rear inner wall of the combustion chamber 1 and the inner wall of the high-temperature area 5 and combustion flame are increased by arranging the concave cavities 13 which are concave from inside to outside, so that the intensity of heat radiation is reduced.
The concave cavity 13 is of an inverted trapezoidal structure, and the concave cavity 13 is of the inverted trapezoidal structure, so that demolding after punch forming in the production and processing process is facilitated, and the production efficiency is improved.
The invention is provided with a convex part 81 at least at the upper part of the rear heat insulation shell 80, the first air outlet hole 22 is arranged on the convex part 81, and the convex part 81 is arranged, and the function of the invention is to ensure the air flow fluency of the air cooling cavity.
The front heat dissipation assembly 9 of the present invention includes a first front heat insulation housing 90 disposed on the high temperature zone 5, a clamping plate 91 is disposed between the high temperature zone 5 and the first front heat insulation housing 90, the high temperature zone 5, the clamping plate 91 and the first front heat insulation housing 90 form the double-layer inner cavity 30, the first inner cavity 31 is disposed between the high temperature zone 5 and the clamping plate 91, the second inner cavity 32 is disposed between the clamping plate 91 and the first front heat insulation housing 90, the communication hole 33 is disposed at a lower portion of the clamping plate 91, the second air inlet hole 34 is disposed at an upper portion of the high temperature zone 5, the second air outlet hole 35 is disposed at an upper portion of the first front heat insulation housing 90, the heat dissipation boss 4 is disposed on an inner wall of the first front heat insulation housing 90, external air enters one end of the first inner cavity 31 from the second air inlet hole 34, and flows from the end to the other end of the first inner cavity 31, flow into second inner chamber 32 from the intercommunicating pore 33, air flows to the other end and flows out from second venthole 35 at second inner chamber 32 from the one end that is equipped with intercommunicating pore 33 at last, realizes double-deck forced air cooling heat transfer, heat dissipation boss 4 sets up on the inner wall of first preceding thermal-insulated casing 90, and when making heat conduct heat dissipation boss 4, heat transfer area increases to improve radiating effect.
The clamp plate 91 and the first front heat insulation shell 90 are respectively provided with a plurality of convex columns 92 which are used for correspondingly controlling the thickness of the inner cavities of the first inner cavity 31 and the second inner cavity 32, the convex columns 92 are provided with limiting columns or internal threads, the high-temperature area 5 and the first front heat insulation shell 90 are respectively provided with through holes corresponding to the limiting columns or the internal threads on the convex columns 92, the clamp plate 91 and the high-temperature area 5 can be fixed in a matched mode through the limiting columns or the internal threads on the convex columns 92 and the through holes when being installed, the fixing mode can adopt plug-in connection or threaded connection and the like, the thickness of the inner cavity of the first inner cavity 31 is controlled according to the height of the convex columns 92, and similarly, the first front heat insulation shell 90 and the clamp plate 91 can be fixed in a matched mode through the limiting columns or the internal threads on the convex columns 92 and the through holes when being installed.
According to the invention, the second front heat insulation shell 120 is arranged on the low-temperature area 6, a heat insulation cavity is formed between the second front heat insulation shell 120 and the low-temperature area 6, and the temperature of the low-temperature area 6 relative to the high-temperature area 5 is lower, so that only a heat insulation structure is adopted, and the manufacturing cost is saved.
The second front heat insulation shell 120 is provided with the mounting part 121 which is concave from inside to outside, and the screw or the nut can be embedded into the mounting part 121 in the mounting process of the ignition sensing needle assembly 11 through the screw and the nut and the mounting part 121, so that the screw or the nut can be prevented from being directly burnt by burning flame, and the damage of a fixing piece due to overhigh temperature can be prevented.
The ignition induction needle assembly 11 comprises a pressing plate 110, an ignition induction needle body 111 arranged on one side of the pressing plate 110 and a terminal protection sleeve 112 arranged on the other side of the pressing plate 110, wherein the pressing plate 110 is arranged on the low-temperature region 6 through a screw nut and an installation part 121, the distance between the installation part 121 and the low-temperature region 6 is reduced through a structure that the installation part 121 is concave from inside to outside, the length of the ignition induction needle body 111 penetrating into the low-temperature region 6 and the installation part 121 can be saved, so that the cost is saved, the ignition induction needle body 111 can be closer to a burner, the ignition is convenient, the temperature of the low-temperature region 6 is relatively low, the damage caused by high temperature is prevented, the ignition induction needle body 111 is used for initial ignition and has the function of inducing flame in the combustion process, the terminal protection sleeve 112 is used for protecting a connecting wire end led out by the ignition, the terminal protection sleeve 112 is generally made of a plastic insulating material such as silica gel, which is easy to install.
A gas water heater comprises the air-cooled burner assembly.
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. An air-cooled burner assembly comprises a combustion chamber (1) formed by enclosing a front surface, a rear surface, a left surface and a right surface, a burner (10) arranged in the combustion chamber (1) and an ignition induction needle assembly (11) arranged on the combustion chamber, and is characterized in that a primary air-cooling runner (2) or a secondary air-cooling runner (3) is arranged on at least one inner wall of the combustion chamber (1);
the primary air and cold runner (2) comprises a single-layer inner cavity (20), a plurality of first air inlet holes (21) are formed in the wall surface of the combustion cavity (1) and positioned at the outer side of one end of the single-layer inner cavity (20), a plurality of first air outlet holes (22) are formed in the inner side of the other end of the single-layer inner cavity (20), and the first air inlet holes (21), the single-layer inner cavity (20) and the first air outlet holes (22) are communicated in sequence to form the primary air and cold runner (2);
the secondary cold air runner (3) comprises a double-layer inner cavity (30), the double-layer inner cavity (30) consists of a first inner cavity (31) and a second inner cavity (32), the first inner cavity (31) is positioned between the inner wall of the combustion cavity (1) and the second inner cavity (32), a plurality of communication holes (33) are arranged between one ends of the first inner cavity (31) and the second inner cavity (32) which are adjacent, a second air inlet hole (34) is arranged on the wall surface of the combustion chamber (1) and positioned at the other end of the first inner chamber (31), a second air outlet hole (35) is arranged on the inner side of the other end of the second inner cavity (32), the second air inlet holes (34), the first inner cavity (31), the communication holes (33), the second inner cavity (32) and the second air outlet holes (35) are communicated in sequence to form the secondary cold air flow channel (3).
2. An air-cooled burner assembly according to claim 1, wherein the inner wall of the single-layer inner chamber (20) and/or the double-layer inner chamber (30) is provided with a plurality of heat dissipating bosses (4).
3. An air-cooled burner assembly according to claim 2, characterized in that a high temperature zone (5) and a low temperature zone (6) are provided at least on the front inner wall of the combustion chamber (1), the high temperature zone (5) being disposed above the low temperature zone (6), the distance between the high temperature zone (5) and the flame generated by the burner (10) being greater than the distance between the low temperature zone (6) and the flame generated by the burner (10).
4. An air-cooled burner assembly according to claim 3, characterized in that, all be equipped with side radiator unit (7) on the left and right inner wall of combustion chamber (1), be equipped with back radiator unit (8) on the back inner wall of combustion chamber (1), be equipped with preceding radiator unit (9) on high temperature zone (5), side radiator unit (7) and back radiator unit (8) all adopt the structure of primary air cold runner (2), preceding radiator unit (9) adopts the structure of secondary air cold runner (3).
5. An air-cooled burner assembly according to claim 4, characterized in that the side heat dissipation assembly (7) comprises a side heat insulation housing (70) disposed on the inner wall corresponding to the combustion chamber (1), the single-layer inner chamber (20) is formed between the side heat insulation housing (70) and the inner wall corresponding to the combustion chamber (1), the first air inlet hole (21) is disposed on the combustion chamber (1) and located at the lower portion corresponding to the single-layer inner chamber (20), the first air outlet hole (22) is disposed at the upper side of the side heat insulation housing (70), and the heat dissipation boss (4) is disposed on the inner wall of the side heat insulation housing (70).
6. An air-cooled burner assembly according to claim 4, characterized in that the rear heat dissipation assembly (8) comprises a rear heat insulation casing (80) provided on the rear inner wall of the combustion chamber (1), the single-layer inner chamber (20) is formed between the rear heat insulation casing (80) and the rear inner wall of the combustion chamber (1), the first air inlet holes (21) are provided on the combustion chamber (1) and located at the lower portion corresponding to the single-layer inner chamber (20), the first air outlet holes (22) are provided at the upper portion of the rear heat insulation casing (80), and the heat dissipation bosses (4) are provided on the inner wall of the rear heat insulation casing (80).
7. An air-cooled burner assembly according to claim 6, wherein a boss (81) is provided at least at an upper portion of the rear heat-insulating housing (80), and the first air outlet hole (22) is provided at the boss (81).
8. An air-cooled burner assembly according to claim 4, characterized in that the front heat dissipating assembly (9) comprises a first front heat insulating case (90) disposed on the high temperature zone (5), a clamping plate (91) is disposed between the high temperature zone (5) and the first front heat insulating case (90), the high temperature zone (5) and the clamping plate (91) and the first front heat insulating case (90) form the double-layered inner chamber (30), the first inner chamber (31) is disposed between the high temperature zone (5) and the clamping plate (91), the second inner chamber (32) is disposed between the clamping plate (91) and the first front heat insulating case (90), the communication hole (33) is disposed at a lower portion of the clamping plate (91), the second air inlet hole (34) is disposed at an upper portion of the high temperature zone (5), and the second air outlet hole (35) is disposed at an upper portion of the first front heat insulating case (90), the heat dissipation boss (4) is arranged on the inner wall of the first front heat insulation shell (90).
9. An air-cooled burner assembly according to any one of claims 3 to 8, characterized in that a second front heat insulating case (120) is provided on the low temperature region (6), and a heat insulating chamber is formed between the second front heat insulating case (120) and the low temperature region (6).
10. A gas water heater comprising the air-cooled burner assembly of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010514625.5A CN111678130A (en) | 2020-06-08 | 2020-06-08 | Air-cooled combustor subassembly and use its gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010514625.5A CN111678130A (en) | 2020-06-08 | 2020-06-08 | Air-cooled combustor subassembly and use its gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111678130A true CN111678130A (en) | 2020-09-18 |
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| EP2149636A1 (en) * | 2008-08-01 | 2010-02-03 | Herbert Kannegiesser GmbH | Device for heating a heat distributer for in particular laundry machines and preferred usage of the device |
| CN108626878A (en) * | 2017-03-17 | 2018-10-09 | 艾欧史密斯(中国)热水器有限公司 | Gas-fired water heater |
| CN108826689A (en) * | 2018-07-26 | 2018-11-16 | 广东万家乐燃气具有限公司 | A kind of efficient storage heat exchanger and water heater |
| CN109798745A (en) * | 2018-12-25 | 2019-05-24 | 三江县浩然再生能源科技开发有限公司 | A kind of tea processing device |
| CN110145860A (en) * | 2018-02-10 | 2019-08-20 | 芜湖美的厨卫电器制造有限公司 | Chamber structure and gas heater |
| CN110173897A (en) * | 2019-07-04 | 2019-08-27 | 广东省众骋热能科技有限公司 | A kind of combustion heat-exchange device with multiple-stage adiabatic structure |
| CN110296536A (en) * | 2019-07-04 | 2019-10-01 | 广东省众骋热能科技有限公司 | A kind of combustion heat-exchange device with Multi-stage cooling structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB191517359A (en) * | 1914-11-18 | 1916-12-07 | Henry Moss Keesing | Improved Water-heater. |
| GB747567A (en) * | 1953-05-19 | 1956-04-11 | Main Water Heaters Ltd | Improvements in or relating to gas fired water heaters |
| GB2041181A (en) * | 1978-12-29 | 1980-09-03 | Hutni Druhovyroba | A flameless combustion method and a boiler utilizing such method |
| US6311687B1 (en) * | 1997-11-23 | 2001-11-06 | Johann Aidelsburger | Heating furnace, especially with gas and/or oil firing |
| US6318358B1 (en) * | 2000-08-03 | 2001-11-20 | Jackel Incorporated | Furnace blower with double sided impeller |
| US20090136882A1 (en) * | 2007-11-28 | 2009-05-28 | Zalman Lucien | Burner with atomizer |
| EP2149636A1 (en) * | 2008-08-01 | 2010-02-03 | Herbert Kannegiesser GmbH | Device for heating a heat distributer for in particular laundry machines and preferred usage of the device |
| CN108626878A (en) * | 2017-03-17 | 2018-10-09 | 艾欧史密斯(中国)热水器有限公司 | Gas-fired water heater |
| CN110145860A (en) * | 2018-02-10 | 2019-08-20 | 芜湖美的厨卫电器制造有限公司 | Chamber structure and gas heater |
| CN108826689A (en) * | 2018-07-26 | 2018-11-16 | 广东万家乐燃气具有限公司 | A kind of efficient storage heat exchanger and water heater |
| CN109798745A (en) * | 2018-12-25 | 2019-05-24 | 三江县浩然再生能源科技开发有限公司 | A kind of tea processing device |
| CN110173897A (en) * | 2019-07-04 | 2019-08-27 | 广东省众骋热能科技有限公司 | A kind of combustion heat-exchange device with multiple-stage adiabatic structure |
| CN110296536A (en) * | 2019-07-04 | 2019-10-01 | 广东省众骋热能科技有限公司 | A kind of combustion heat-exchange device with Multi-stage cooling structure |
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Application publication date: 20200918 |
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