WO2022220491A1 - 버너 및 이를 포함하는 물 가열기 - Google Patents
버너 및 이를 포함하는 물 가열기 Download PDFInfo
- Publication number
- WO2022220491A1 WO2022220491A1 PCT/KR2022/005058 KR2022005058W WO2022220491A1 WO 2022220491 A1 WO2022220491 A1 WO 2022220491A1 KR 2022005058 W KR2022005058 W KR 2022005058W WO 2022220491 A1 WO2022220491 A1 WO 2022220491A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- distribution plate
- holes
- disposed
- combustion chamber
- combustion
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000002485 combustion reaction Methods 0.000 claims abstract description 188
- 238000009826 distribution Methods 0.000 claims abstract description 90
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 239000000446 fuel Substances 0.000 claims abstract description 13
- 239000000567 combustion gas Substances 0.000 claims abstract description 12
- 230000035515 penetration Effects 0.000 claims abstract description 12
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 36
- 239000008236 heating water Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 description 18
- 238000010438 heat treatment Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000013021 overheating Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/70—Baffles or like flow-disturbing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/12—Radiant burners
- F23D14/14—Radiant burners using screens or perforated plates
- F23D14/145—Radiant burners using screens or perforated plates combustion being stabilised at a screen or a perforated plate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
- F23D14/583—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration of elongated shape, e.g. slits
-
- 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
- F23D14/84—Flame spreading or otherwise shaping
-
- 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
- F24H1/12—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 in which the water is kept separate from the heating medium
- F24H1/14—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
-
- 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
- F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
-
- 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
Definitions
- the present invention relates to a burner and a water heater comprising the same.
- a water heater is a device that transfers heat generated by combustion reaction to water and uses it for heating or hot water supply. Water is introduced, and the process of heating and discharging the introduced water is performed through a water heater.
- a combustion reaction can occur in a burner, and in order for a burner to cause a combustion reaction, fuel is required. As the fuel passes through the through hole formed in the burner, it has a good condition to form a flame, and ignition may occur and a flame may be generated along with the combustion reaction.
- the heat generated by the burner is used to heat the water, but in the process, it transfers excessive heat to the other components that make up the water heater, which may deform or break the other components, preventing them from performing their functions.
- the inner wall of the combustion chamber may be excessively heated, which inhibits combustibility and leads to incomplete combustion, and excessive carbon monoxide may be generated during the combustion reaction in the burner. As incomplete combustion occurs, the thermal efficiency of the water heater may be impaired.
- the present invention has been devised to solve such problems, and an object of the present invention is to provide a burner for a water heater with improved combustibility and a water heater including the same.
- a burner for a water heater positioned upstream of a combustion chamber with respect to a reference direction which is a flow direction of combustion gas generated by a combustion reaction
- a reference direction which is a flow direction of combustion gas generated by a combustion reaction
- the distribution plate allows the mixture of fuel and air for the combustion reaction to pass through.
- a plurality of through-holes that are formed to penetrate in the reference direction are disposed to be spaced apart along the longitudinal direction and the width direction, and the distribution plate includes a central portion, which is a portion located at the center with respect to the width direction, and the center including the outer portions located on both sides of the portion, and the penetration density obtained by dividing the sum of the areas of the through holes located in the outer portion by the area of the outer portion is the sum of the areas of the through holes located in the central portion is the central portion less than the penetration density divided by the area of .
- a water heater comprises: a burner having a mixing chamber in which fuel and air are mixed to produce a mixture, and a plate-shaped distribution plate provided to cause a combustion reaction by ejecting the mixture; a combustion chamber provided so that a flame generated by the combustion reaction is located therein; a heat exchanger for heating water using heat generated by the combustion reaction; and a combustion chamber insulation pipe provided to allow water to flow on the outside of the combustion chamber for thermal insulation of the combustion chamber, wherein a direction in which the combustion gas generated by the combustion reaction flows is referred to as a reference direction, and is orthogonal to the reference direction When one direction is referred to as a longitudinal direction and a direction perpendicular to the reference direction and the longitudinal direction is referred to as a width direction, a plurality of through holes formed by penetrating the distribution plate along the reference direction so that the mixture passes through the length
- the distribution plate is disposed to be spaced apart along the width direction and the width direction, and the distribution plate includes a central portion that is a
- the burner's combustibility is improved so that incomplete combustion and a combustion reaction in which the production of carbon monoxide, which is a product thereof, is reduced is possible.
- FIG. 1 is a perspective view showing a water heater according to a first embodiment of the present invention.
- FIG. 2 is a view showing a part of a longitudinal section of the water heater according to the first embodiment of the present invention.
- FIG 3 is a view showing a shape of a distribution plate of a burner having a through-hole formed according to the first embodiment of the present invention.
- FIG. 4 is a view showing the shape of the distribution plate of the burner according to the second embodiment of the present invention.
- FIG. 5 is a view showing the shape of the distribution plate of the burner according to the third embodiment of the present invention.
- FIG. 6 is a view showing the shape of the distribution plate of the burner according to the fourth embodiment of the present invention.
- FIG. 7 is a view showing the shape of the distribution plate of the burner according to the fifth embodiment of the present invention.
- FIG 8 is a view showing a shape in which the bracket engaging portion of the burner frame according to the sixth embodiment of the present invention covers the distribution plate.
- FIG 9 is a view showing a shape in which the shielding plate covers the distribution plate according to the seventh embodiment of the present invention.
- FIG. 10 is a view showing a flame shape generated in a burner using an exemplary distribution plate.
- FIG 11 is a view showing the shape of a flame generated in the burner according to the first embodiment of the present invention.
- FIG. 1 is a perspective view showing a water heater 1 according to a first embodiment of the present invention.
- 2 is a view showing a part of a longitudinal section of the water heater 1 according to the first embodiment of the present invention.
- the direction in which the combustion gas generated by the combustion reaction flows is referred to as a reference direction (D1)
- one direction orthogonal to the reference direction (D1) is referred to as a longitudinal direction (D3)
- the reference direction (D1) and the longitudinal direction (D3) are referred to as the reference direction (D1).
- Each component may be arranged along the reference direction D1.
- the reference direction D1 may be downward.
- the reference direction (D1), the width direction (D2), and the length direction (D3) are referred to for convenience of description. This direction can be determined relative to the direction in which the water heater 1 is arranged.
- the water heater 1 may have a burner 10 , a combustion chamber 20 , and heat exchangers 30 and 40 in order along the reference direction D1 . Accordingly, the combustion gas generated from the burner 10 may flow downward and be discharged through the combustion chamber 20 and the heat exchangers 30 and 40 .
- the heat exchangers 30 and 40 may include a latent heat heat exchanger 40 and a sensible heat heat exchanger 30 , and the sensible heat heat exchanger 30 may be disposed inside the combustion chamber 20 .
- the water heater 1 may include a combustion chamber 20 .
- a flame due to a combustion reaction generated from the burner 10 may be located inside the combustion chamber 20 .
- the combustion chamber 20 may be formed in the same shape as a box opened up and down, and the burner 10 is connected to the upstream side with respect to the reference direction D1, and the heat exchangers 30 and 40 may be connected to the downstream side. . Accordingly, combustion gas may be generated in the burner 10 and may be transferred to the sensible heat heat exchanger 30 and the latent heat heat exchanger 40 through the combustion chamber 20 .
- the combustion chamber 20 may have a side wall 21 .
- the side wall 21 of the combustion chamber 20 may include two general side plates spaced apart from each other along the longitudinal direction D3 and two heat insulating side plates spaced apart from each other along the width direction D2.
- the combustion space 200 may be formed by combining the general side plate and the heat insulating side plate with each other.
- a flow path cap plate 22 having a flow path cap that is a portion protruding to the outside of the combustion chamber 20 may be coupled to the outside of the general side plate along the longitudinal direction D3, respectively.
- a space for water to flow is formed between the general side plate and the flow path cap, and this space is communicated with adjacent heat insulating pipes or sensible heat heat exchange pipes 32 that will be described later, and the heat insulating flow path composed of heat insulating pipes. Alternatively, it may form a part of the sensible heat flow path composed of the sensible heat heat exchange pipes 32 .
- the heat exchangers 30 and 40 heat water using heat generated by the combustion reaction.
- the heat exchangers 30 and 40 may be divided into a sensible heat heat exchanger 30 and a latent heat heat exchanger 40 according to which heat is used.
- the heat exchangers 30 and 40 may have a housing 70 .
- the housing 70 of the heat exchangers 30 and 40 includes two heat exchange general side plates 71 spaced apart from each other along the longitudinal direction D3 and two heat exchange heat insulating side plates 72 spaced apart from each other along the width direction D2. ) may be included.
- the heat exchange general side plate 71 and the heat exchange heat insulation side plate 72 are coupled to each other to form an inner space of the housing 70 .
- a heat exchange flow path cap plate having a flow path cap protruding to the outside of the heat exchangers 30 and 40 may be coupled to the outside of the general heat exchange side plate 71 in the longitudinal direction D3, respectively.
- a space for water to flow is formed between the heat exchange general side plate 71 and the flow path cap, and the space is formed between adjacent sensible heat insulation pipes 52 , adjacent sensible heat heat exchange pipes 32 , and latent heat heat exchange adjacent to each other. It may communicate with at least one of the pipes to form at least one of a portion of the sensible heat flow path composed of the sensible heat heat exchange pipes 32 and a portion of the latent heat flow path composed of the latent heat heat exchange pipes.
- At least a portion of the sensible heat exchanger 30 may be inserted into the combustion chamber 20 .
- a sensible heat exchanger 30 may be disposed inside the combustion chamber 20 . Therefore, the sensible heat fin 31 to be described later may contact the inner surface of the combustion chamber 20 .
- the sensible heat exchanger 30 may be disposed below the combustion space 200 which is an internal space of the combustion chamber 20 . A flame by the burner 10 may be positioned above the combustion space 200 .
- the water heater 1 may include an insulating pipe 50 , and the insulating pipe 50 may include a combustion chamber insulating pipe 51 .
- the heat insulating pipe 50 may include a sensible heat insulating pipe 52 .
- the sensible heat insulation pipe 52 may be disposed adjacent to the outside of the heat insulation side plate in the width direction D2. Water flows from the inside of the heat insulation pipe 50 to insulate the combustion chamber 20 and the sensible heat heat exchanger 30 .
- the combustion chamber insulation pipe 51 may insulate the combustion chamber 20
- the sensible heat insulation pipe 52 may insulate the sensible heat heat exchanger 30 .
- the heat insulating pipe 50 may include a latent heat insulating pipe disposed adjacent to the latent heat heat exchanger 40 from the outside of the latent heat heat exchanger 40 . Water flows inside the latent heat insulation pipe to insulate the latent heat heat exchanger 40 .
- the sensible heat insulation pipe 52 may be disposed adjacent to the sensible heat heat exchanger 30 . However, since the sensible heat insulating pipe 52 is in contact with the outer surface of the heat exchange insulating side plate 72, the sensible heat insulating pipe 52 is disposed in a position opposite to the sensible heat heat exchanger 30 with the heat exchange insulating side plate 72 as the center. can be To enable this arrangement, a portion of the sensible heat insulation pipe 52 is vertically aligned to overlap the sensible heat heat exchanger 30 with respect to the width direction D2 in a cross section cut in a plane perpendicular to the longitudinal direction D3. It may be disposed at a height similar to that of the sensible heat exchanger 30 based on the .
- the sensible heat exchanger 30 is provided to receive heat generated by the combustion reaction generated in the burner 10 to heat the water flowing through the inside.
- the sensible heat exchanger 30 according to an embodiment of the present invention is described as a fin tube type heat exchanger, other types of heat exchangers such as a plate type heat exchanger may be used as the sensible heat heat exchanger.
- the sensible heat exchanger 30 may include a sensible heat heat exchange pipe 32 and a sensible heat fin 31 .
- the sensible heat heat exchange pipe 32 is a pipe provided to receive heat generated by the combustion reaction and heat water flowing through the inside. Water flows into the inside of the sensible heat heat exchange pipe 32 , and the combustion gas flows around the sensible heat heat exchange pipe 32 to exchange heat through the sensible heat heat exchange pipe 32 .
- the sensible heat exchange pipe 32 may extend along the longitudinal direction D3 and may be arranged along the width direction D2. Both ends of the sensible heat heat exchange pipe 32 may communicate with the space formed by the flow path cap as described above to form a sensible heat flow path.
- one of the sensible heat heat exchange pipes 32 located at both ends along the width direction D2 is connected to the latent heat heat exchanger 40 to become an inlet of the sensible heat flow path, and the other is a sensible heat insulation pipe It may be connected to (52) to be the exit of the sensible heat flow path.
- the shape of the internal space of the sensible heat heat exchange pipe 32 is a long hole extending along the vertical direction may be in the form of
- the internal space of the sensible heat heat exchange pipe 32 may have a shape in which a value obtained by dividing the length in the vertical direction in the cross section by the width in the width direction D2 is 2 or more.
- the sensible heat fin 31 may be formed in a plate shape orthogonal to the direction in which the sensible heat heat exchange pipe 32 extends.
- the sensible heat fins 31 may be plural, and may be penetrated by the sensible heat heat exchange pipe 32 .
- the sensible heat heat exchanger 30 can expand the heat transfer area.
- the upper portion of the sensible heat fin 31 may be formed along the circumference of the sensible heat heat exchange pipe 32 and protrude upward.
- an open louver hole along the longitudinal direction D3 and a louver protruding from the periphery of the louver hole along the longitudinal direction D3 are formed to control the flow of combustion gas around the sensible heat heat exchange pipe 32. can be guided by
- the sensible heat insulating pipe 52 may be connected to the combustion chamber insulating pipe 51 to connect the sensible heat flow path to the combustion chamber flow path formed by the combustion chamber insulating pipes 51 .
- the sensible heat heat exchange pipe 32 and the combustion chamber heat insulation pipe 51 may be directly connected to the combustion chamber flow path and the sensible heat flow path.
- the latent heat heat exchanger 40 is disposed on the downstream side of the sensible heat heat exchanger 30 with respect to the reference direction D1, and heats water flowing through the interior by using the latent heat of the combustion gas that is generated by the combustion reaction and flows. arranged to do
- the combustion gas may be transferred to the latent heat heat exchanger 40 through the sensible heat heat exchanger 30 .
- Water may be heated first in the latent heat heat exchanger 40 , and secondarily heated by the sensible heat heat exchanger 30 . Accordingly, the heat exchange pipe included in the latent heat heat exchanger 40 may communicate with the sensible heat heat exchange pipe 32 of the sensible heat heat exchanger 30 to transfer heated water to the sensible heat heat exchanger 30 .
- the latent heat heat exchanger 40 may be a plate heat exchanger formed by stacking a plurality of latent heat plates, and similarly to the sensible heat heat exchanger 30, it may be a fin tube type heat exchanger including a heat exchange pipe and a fin penetrated by the heat exchange pipe.
- the type is not limited thereto.
- Water may be delivered to a heating pipe located at a heating target that requires external heating of the water heater 1 to provide heating. After transferring heat to the heating object, a closed circuit in which water returns to the water heater 1 and circulates may be formed. In addition, the water may be transferred to the hot water heat exchanger by a circulation pipe and used to generate hot water.
- the combustion chamber heat insulation pipe 51 may be configured in plurality.
- a plurality of combustion chamber insulation pipes may be disposed adjacent to the left and right sides of the combustion chamber 20 in FIG. 2 and spaced apart vertically. In the drawing, a total of four combustion chamber insulation pipes 51 are disposed, two on the left side of the combustion chamber 20 are vertically spaced apart from each other, and two on the right side of the combustion chamber 20 are shown as being vertically spaced apart from each other. did.
- the lower end of the combustion chamber heat insulating pipe 51 located at the lowermost side among the combustion chamber heat insulating pipes 51 may be located above the upper end of the sensible heat fin 31 included in the sensible heat heat exchanger 30 .
- the distance from the lower end of the burner 10 to the upper end of the sensible heat fin 31 may be 80 mm or more and 85 mm or less.
- the quenching phenomenon of carbon monoxide is that carbon monoxide generated through combustion meets oxygen in a high temperature region in the combustion chamber 20 and is not converted into carbon dioxide and is not discharged, and is discharged as it is while in contact with the sensible heat exchanger 30 with a relatively low temperature. means a phenomenon.
- the combustion chamber insulation pipe 51 is in contact with the outer surface of the heat insulation side plate 212g of the combustion chamber, so that the combustion chamber 20 can be insulated. Heating water flows through the combustion chamber insulation pipe 51 to reduce the amount of heat generated by the combustion reaction transferred to the external region of the combustion chamber 20 through the side wall 21 .
- a portion of the heat insulation side plate which is a part of the side wall 21 to which the combustion chamber heat insulation pipe 51 is in contact, may have a shape convexly protruding inward to correspond to the exterior of the combustion chamber heat insulation pipe 51 . Therefore, the outer surface of the combustion chamber heat insulation pipe 51 can contact the heat insulation side plate over a wider area than the case where the heat insulation side plate is formed in a simple flat plate shape.
- the combustion chamber flow path may include at least one of a portion formed in parallel and a portion formed in series.
- the combustion chamber passage through which water flows around the combustion space 200 to insulate it may be formed by connecting the passage cap formed on the passage cap plate 22 and the combustion chamber insulation pipe 51 .
- the water heater 1 may include an adapter 60 .
- the adapter 60 may connect the sensible heat flow path and the combustion chamber flow path.
- the adapter may connect the outlet of the sensible heat flow path and the inlet of the combustion chamber flow path.
- the outlet of the sensible heat flow path may be formed by one end of the sensible heat heat exchange pipe 32 as described above, or may be formed by one end of the sensible heat heat exchange pipe 32 and a flow cap connected thereto, or the sensible heat heat insulating pipe 52 One end of one may form.
- the inlet of the combustion chamber flow path may be formed by an end of one of the combustion chamber heat insulating pipes 51 , or may be formed by one end of the combustion chamber heat insulating pipe 51 and a flow path cap connected thereto.
- the adapter 60 may be detachably coupled to the heating water outlet 33 and the combustion chamber supply port 23 .
- the heating water outlet 33 may be an outlet of the sensible heat flow path or an end of the sensible heat insulating pipe 52 .
- the combustion chamber supply port 23 is an inlet of the combustion chamber flow path.
- the heating water outlet 33 and the combustion chamber supply port 23 may have a shape protruding outward from the heat exchangers 30 and 40 and the combustion chamber 20, respectively.
- the heating water outlet 33 and the combustion chamber supply port 23 are connected to the water heater 1 with respect to the third direction. ) can be placed on the same side of the
- the adapter 60 has an adapter heat exchanger part 61 and an adapter combustion chamber side part 62 that are connected to each other up and down, respectively, and as each is connected to the heating water outlet 33 and the combustion chamber supply port 23, the heating water outlet ( 33) and the combustion chamber supply port 23 may be connected to each other.
- the adapter heat exchanger part 61 may have an adapter heat exchanger-side connection part that is one end coupled to the heating water outlet 33
- the adapter combustion chamber side part 62 includes an adapter combustion chamber-side connection part that is one end coupled to the combustion chamber supply port 23 .
- the adapter 60 may include an adapter O-ring.
- the adapter O-ring is a member disposed between the adapter heat exchanger part 61 and the adapter combustion chamber side part 62 in a region where the adapter heat exchanger part 61 and the adapter combustion chamber side part 62 are connected, and has elasticity, so that the adapter heat exchanger part 61 has elasticity. It is possible to maintain watertightness between the and the adapter combustion chamber side portion 62 .
- the adapter heat exchanger part 61 may be inserted into the adapter combustion chamber side part 62 and coupled thereto. When the heating water flows through the adapter 60, even if there occurs a situation in which watertightness cannot be maintained even by the adapter O-ring, this is to prevent the heating water from leaking.
- An adapter clip is disposed at a portion where the adapter heat exchanger portion 61 and the adapter combustion chamber side portion 62 are coupled to each other, and the two portions may be pressed inwardly to be more firmly coupled.
- a separate clip is also disposed at a portion where the adapter 60 is coupled to each of the heating water outlet 33 and the combustion chamber supply port 23 to make the coupling more robust.
- the adapter heat exchanger part 61 and the adapter combustion chamber side part 62 may have an 'L' shape bent. Therefore, the adapter 60 formed by combining the two members may be formed in an angled 'U' shape.
- An elbow pipe other than the adapter 60 may be disposed to connect the heating water outlet 33 and the combustion chamber supply port 23 .
- the side plate packing (82) disposed at a position between the sensible heat insulating pipe (52) and the combustion chamber insulating pipe (51), the water heater (1) Including, may be in contact with the inner surface of the housing (70).
- the side plate packing 82 may further extend toward the combustion chamber 20 to further contact the inner surface of the side wall 21 .
- the area between the sensible heat insulating pipe 52 and the combustion chamber insulating pipe 51 is not insulated or cooled, so there is a risk of overheating.
- the combustion chamber 20 is insulated using a heat insulating material, such an overheatable region may be covered by the heat insulating material, so that the risk of overheating may be relatively small.
- the overheatable region is exposed as in the first embodiment of the present invention, discoloration may occur due to overheating.
- the side plate packing 82 may be placed and contacted in the overheatable area to prevent heat transfer to the housing 70 .
- the water heater 1 may further include a packing bracket 81 .
- the packing bracket 81 is a bracket that sandwiches and supports the side plate packing 82 together with the inner surface of the housing 70 so that the side plate packing 82 comes into contact with the inner surface of the housing 70 . That is, the side plate packing 82 may be placed between the inner surface of the housing 70 and the packing bracket 81 .
- the end of the packing bracket 81 is inclined toward the inside of the combustion space 200 while going upward to guide the insertion of the side plate packing 82 into the space formed between the packing bracket 81 and the housing 70.
- the packing bracket 81 and the side plate packing 82 may meet the sensible heat insulation pipe 52 with the housing 70 interposed therebetween.
- the cooling of the packing bracket 81 indirectly contacting the sensible heat insulation pipe 52 can be made, thereby helping the side plate packing 82 to prevent heat transfer to the overheatable region.
- the burner 10 is provided to cause a combustion reaction from air and fuel. Accordingly, the burner 10 may include a mixing chamber 11 , a spark plug, a blower 14 , a fuel pump, a fixed frame 12 , and a distribution plate 13 .
- the blower 14 is provided to operate by receiving electric power to pressurize air at a predetermined pressure. Accordingly, the blower 14 may include an impeller and a motor, but the components constituting the blower 14 are not limited thereto.
- the fuel pump may supply fuel by pressure to the mixing chamber 11 .
- the mixing chamber 11 is a component that receives air from the blower 14 and receives fuel to provide a space for forming a mixture, and has an opening formed on the upstream side of the combustion chamber 20 along the reference direction D1. can be covered
- a fixing frame 12 having an opening in the center may be coupled to the downstream side of the mixing chamber 11 along the reference direction D1 .
- the fixed frame 12 may be positioned between the combustion chamber 20 and the mixing chamber 11 .
- the fixed frame 12 may include a frame cover 121 .
- the fixed frame 12 may include a frame bracket 122 .
- the frame cover 121 may be fixed between the mixing chamber 11 and the combustion chamber 20 , and the frame cover 121 may cover the upper end of the combustion chamber 20 .
- the frame bracket 122 may be coupled to the frame cover 121 . A portion of the frame bracket 122 may be exposed into the combustion chamber 20 .
- the frame bracket 122 may include a bracket fixing part 1221 .
- the bracket fixing part 1221 is located at the outermost side of the frame bracket 122 based on the width direction D2 and the length direction D3 , and may be coupled to the frame cover 121 .
- the bracket fixing part 1221 may be inserted and fixed inside the frame cover 121 .
- the bracket fixing part 1221 may be coupled to the frame cover 121 through a fastener.
- the bracket fixing part 1221 may be formed to extend in the width direction D2 and the length direction D3.
- the frame bracket 122 may include a bracket connection part 1222 .
- the bracket connection part may connect the bracket fixing part 1221 and the bracket engaging part 1223 .
- the bracket connection part 1222 has a side surface extending in the reference direction (D1) and the longitudinal direction (D3), and a side surface extending in the reference direction (D1) and the width direction (D2), the inner end of the bracket fixing part 1221 and The outer end of the bracket engaging portion 1223 may be connected.
- the frame bracket 122 may include a bracket engaging portion 1223 .
- a bracket engaging portion 1223 included in the burner frame 21 may be formed around the central opening.
- An outer portion of the distribution plate 13 may be coupled to the bracket engaging portion 1223 .
- the outer portion of the distribution plate 13 may mean both ends of the distribution plate 13 in the width direction (D2) and the length direction (D3).
- the bracket engaging portion 1223 may be formed to surround the combustion region formed on the distribution plate 13 .
- the bracket engaging part 1223 extends along the width direction D2 and the longitudinal direction D3, and the distribution plate 13 covers and closes the opening formed in the center of the bracket engaging part 1223. 13) may be fixed to the inside, and may extend obliquely in the middle direction between the width direction D2 and the length direction D3 and the reference direction D1.
- the combustion space 200 which is the internal space of the combustion chamber 20, in the opposite direction to the reference direction D1
- the area formed around the distribution plate 13 is covered by the bracket engaging part 1223 and , at least part of the combustion zone is exposed. Therefore, a combustion region is formed from the outer point P1 located at the boundary between the inner end of the bracket engaging portion 1223 and the lower surface 221 of the distribution plate 13, and the flame accompanying the combustion reaction extends into the combustion space 200 can go out
- a combustion reaction occurs on the surface located on the most downstream side of the distribution plate 13 with respect to the reference direction D1, and the flame spreads out.
- a region in which a combustion reaction occurs among regions of the distribution plate 13 is referred to as a combustion region.
- the combustion region the mixture is combusted to generate a flame, and at other points of the distribution plate 13 other than the combustion region, the flame is generated and does not extend to the combustion space 200 .
- the combustion region may be provided so that the normal line N1 drawn at an arbitrary point in the combustion region does not contact the inner surface of the combustion chamber 20 .
- a combustion region may be provided so that the normal line N1 does not reach the side plate packing 82 .
- the normal line N1 drawn at any point in the combustion region may touch the upstream side of the heat exchangers 30 and 40 with respect to the reference direction D1 before contacting the inner surface of the combustion chamber 20 .
- the normal N1 refers to a straight line that is orthogonal to the tangent plane and passes through the one point.
- a tangent line drawn at an outer point P1 that is a point of the predetermined shape on the plane A straight line perpendicular to and passing through the point is the normal N1.
- the flame formed in the combustion area does not touch the inner surface of the combustion chamber 20, or even if it does, it may have only a very weak effect. Accordingly, the amount of heat transmitted to the side plate of the combustion chamber 20 among the heat accompanying the flame is reduced, thereby preventing the combustion chamber 20 from being overheated.
- the distribution plate 13 may be a curved surface in which a profile formed convexly along the reference direction D1 in one cross-section extends in a direction perpendicular to the one cross-section.
- a direction perpendicular to this one cross-section may be the longitudinal direction D3.
- the extending direction of the normal line N1 at any point in the combustion region will not change along the longitudinal direction D3, but will change along the width direction D2.
- the combustion region may be provided so that the normal line N1 drawn at the outermost point P1 positioned on the outermost side with respect to the width direction D2 does not contact the inner surface of the combustion chamber 20 .
- ⁇ be the magnitude of the acute angle formed by the straight line extending parallel to the reference direction D1 from the outer point P1 of the combustion region and the normal line N1 at the outer point P1.
- L be the distance from the outer point P1 where the normal line N1 is formed to the inner surface of the combustion chamber 20 along the width direction D2, and the outer side where the normal line N1 is formed along the reference direction D1
- H be the distance from the point P1 to the point located on the most downstream side of the inner surface of the combustion chamber 20 .
- the burner 10 may be provided so that the combustion region and the inner surface of the combustion chamber 20 satisfy Equation 1 below, which is an inequality.
- the spark plug is provided to ignite the mixture formed by the mixing of air and fuel in the mixing chamber 11 by sparking.
- the distribution plate 13 is provided so that the ignited flame can be fixed.
- the distribution plate 13 may be formed in a plate shape.
- the mixture is ejected through the distribution plate 13 and a combustion reaction may occur.
- Both ends of the distribution plate 13 in the width direction (D2) and the length direction (D3) are coupled to the fixed frame 12 , so that the distribution plate 13 may be disposed to close the opening of the fixed frame 12 . .
- a mat in which metal fibers are tightly woven so that the flame is fixed may be disposed.
- FIG 3 is a view showing the shape of the distribution plate 13 of the burner 10 according to the first embodiment of the present invention.
- a plurality of through holes 131 and 132 may be formed by passing the distribution plate 13 through the reference direction D1 so that the mixture passes.
- the plurality of through holes 131 and 132 may be disposed to be spaced apart from each other in the longitudinal direction D3 and the width direction D2 on the distribution plate 13 .
- the through holes 131 and 132 may be formed in a slit shape extending along the width direction D2.
- the through-holes 131 and 132 disposed at the same position along the width direction D2 and spaced apart at a predetermined interval along the longitudinal direction D3 may be bundled to form one through-hole row.
- a plurality of through-hole rows may be formed along the width direction D2.
- the through-holes 131 and 132 included in one through-hole row may have the same spacing, and the through-holes 131 and 132 included in different through-hole rows may have different spacings.
- the distribution plate 13 includes a central portion A11, which is a portion located at the center with respect to the width direction D2, and an outer portion A12 located on both sides of the central portion A11. That is, the outer portion A12 may be divided into two portions divided by the central portion A11 .
- the through-holes 131 and 132 positioned at the outer portion A12 are referred to as the outer through-holes 132
- the through-holes 131 and 132 positioned at the center portion A11 are referred to as the center through-holes 131 .
- the sum of the widths of the outer portion A12 in the width direction D2 may be less than or equal to the width of the central portion A11 .
- the penetration density obtained by dividing the sum of the areas of the outer through-holes 132 by the area of the outer portion A12 may be smaller than the penetration density obtained by dividing the sum of the areas of the center through-holes 131 by the area of the center portion A11. .
- the penetration density of the outer portion A12 may be 70% or less of the penetration density of the central portion A11. Accordingly, the amount of the mixture passing through the distribution plate 13 is concentrated in the central portion A11 rather than the outer portion A12, so that a strong flame may be formed in the central portion A11.
- the outer through-hole 132 is a combustion chamber 20 in which the outer end of the flame formed by the mixture passing through the outer through-hole 132 in the width direction D2 is in contact with the combustion chamber insulation pipe 51 . It may be disposed to be located inward than a portion of the sidewall 21 . That is, by reducing the size of the outer portion of the formed flame, the flame does not directly contact the combustion chamber insulation pipe 51 or the side wall 21 of the combustion chamber 20, thereby preventing overheating and incomplete combustion from occurring, and the flame This can be prevented from flying
- the spacing between the rows of through-holes disposed in the central portion A11 and the spacing of the rows of through-holes disposed in the outer portion A12 may be different from each other.
- the distance between the central portion A11 and the outer portion A12 may be smaller than that of the outer portion A12 .
- the outer through hole 132 may include an outer through hole 1321 disposed on the outermost side with respect to the width direction D2 and an inner through hole 1322 disposed on the inner side of the outer through hole 1321 . have.
- the outer through-hole 1321 and the inner through-hole 1322 may be alternately spaced apart from each other in the longitudinal direction D3 when viewed along the width direction D2.
- the outer through-hole 1321 and the inner through-hole 1322 may be alternately disposed to be spaced apart by a first interval and a second interval. Accordingly, one outer through-hole 1321 and one inner through-hole 1322 are located adjacently, and the other outer through-hole 1321 and the inner through-hole 1322 are located at a position spaced apart by a predetermined distance therefrom. As a result, the outer through-hole 132 may be disposed.
- the number of the outer through-holes 132 may be less than the number of the central through-holes 131 .
- the sum of the areas of the outer through-holes 132 may be smaller than the sum of the areas of the central through-holes 131 .
- the width of the two outer portions A12 is 25% of the width of the distribution plate 13 , respectively, and the width of the central portion A11 is the width of the distribution plate 13 . 50%.
- the number of the center through-holes 131 is twice the number of the outer through-holes 132 .
- the sum of the areas of the outer through-holes 132 is 33.6% of the sum of the areas of the entire through-holes 131 and 132, and the sum of the areas of the central through-holes 131 is The sum of the areas of the through holes 131 and 132 is 66.3%.
- FIG 4 is a view showing the shape of the distribution plate 13b of the burner according to the second embodiment of the present invention.
- the shape of the distribution plate 13b of the burner according to the second embodiment of the present invention is different from the shape of the distribution plate 13 of the burner 10 according to the first embodiment in a specific size or the like.
- the remaining components of the water heater according to the second embodiment except for the shape of the distribution plate 13b of the burner according to the second embodiment are the same as described for the water heater 1 according to the first embodiment. have.
- the width of the outer portion A22 is 13.3% of the width of the distribution plate 13b, respectively, and the width of the central portion A21 is the width of the distribution plate 13b. of 73.4%.
- the number of the center through-holes 131b is 5.5 times the number of the outer through-holes 132b.
- the sum of the areas of the outer through-holes 132b is 15.4% of the sum of the areas of the entire through-holes 131b and 132b, and the sum of the areas of the central through-holes 131b is the total
- the sum of the areas of the through holes 131b and 132b is 84.6%.
- the number of rows of through-holes in the central portion A21 of the second embodiment is greater than the number of rows of through-holes of the central portion A11 of the first embodiment.
- FIG. 5 is a view showing the shape of the distribution plate 13c of the burner according to the third embodiment of the present invention.
- the shape of the distribution plate 13c of the burner according to the third embodiment of the present invention is different from the shape of the distribution plate according to the first and second embodiments in a specific size and the like. Except for the shape of the distribution plate 13c of the burner according to the third embodiment, the contents described for the water heater 1 according to the first embodiment can be applied as it is to the remaining components of the water heater according to the third embodiment. have. Specifically, in the third embodiment of the present invention, the width of the outer portion A32 is 9.5% of the width of the distribution plate 13c, respectively, and the width of the central portion A31 is the width of the distribution plate 13c of 81.0%.
- the number of the center through-holes 131c is 8.5 times the number of the outer through-holes 132c.
- the sum of the areas of the outer through-holes 132c is 10.6% of the sum of the areas of all the through-holes 131c and 132c, and the sum of the areas of the central through-holes 131c is the total The sum of the areas of the through holes 131c and 132c is 89.4%.
- the width of the outer portions A12, A22, and A32 of the burner according to the embodiments of the present invention is 9.5% or more and 25% or less of the width of the distribution plates 13, 13b, 13c, respectively, and the central portion A11
- the widths of A21 and A31 may be 50% or more and 81% or less of the widths of the distribution plates 13, 13b, and 13c.
- the number of center through-holes 131 , 131b and 131c of the burner according to embodiments of the present invention may be greater than or equal to 2 times greater than the number of outer through-holes 132 , 132b and 132c and less than or equal to 8.5 times.
- the sum of the areas of the outer through-holes 132, 132b, and 132c of the burner according to the embodiments of the present invention is the through-holes 131, 131b, 131c, 132, which are disposed in the distribution plates 13, 13b, and 13c.
- the sum of the areas of 132b and 132c) may be 10.6% or more and 33.6% or less.
- the sum of the areas of the center through-holes 131, 131b, and 131c of the burner according to the embodiments of the present invention is the through-holes 131, 131b, 131c, 132, which are disposed in the distribution plates 13, 13b, and 13c.
- 132b, 132c may be 66.3% or more and 89.4% or less of the sum of the areas.
- the number of rows of through-holes in the central portion A31 of the third embodiment is greater than the number of rows of through-holes in the central portion A21 of the second embodiment.
- FIG. 6 is a view showing the shape of the distribution plate 13d of the burner according to the fourth embodiment of the present invention.
- the shape of the distribution plate 13d of the burner according to the fourth embodiment of the present invention is different from the shape of the distribution plate according to the first to third embodiments in specific size and the like. Except for the shape of the distribution plate 13d of the burner according to the fourth embodiment, the contents described for the water heater 1 according to the first embodiment can be applied as it is to the remaining components of the water heater according to the fourth embodiment. have.
- the area of the outer through-hole 132d which is a through-hole disposed in the outer portion A42, may be smaller than the area of the central through-hole 131d, which is a through-hole disposed in the center portion A41.
- the width of the outer through-hole 132d along the width direction D2 may be smaller than the width of the center through-hole 131d along the width direction D2.
- a width of the outer through-hole located outside in the width direction D2 among the outer through-holes 132d may be smaller than a width of the inner through-hole located at the inner side.
- FIG. 7 is a view showing the shape of the distribution plate 13e of the burner according to the fifth embodiment of the present invention.
- the shape of the distribution plate 13e of the burner according to the fifth embodiment of the present invention is different from the shape of the distribution plate according to the first to fourth embodiments in specific size and the like. Except for the shape of the distribution plate 13e of the burner according to the fifth embodiment, the content described for the water heater 1 according to the first embodiment may be applied as it is to the remaining components of the water heater according to the fifth embodiment. have.
- the area of the outer through-hole 132e which is a through-hole disposed in the outer portion A52, may be smaller than the area of the central through-hole 131e, which is a through-hole disposed in the center portion A51.
- the thickness of the outer through-hole 132e along the longitudinal direction D3 may be smaller than the thickness of the central through-hole 131e along the longitudinal direction D3.
- a width of an outer through hole positioned outside along the width direction D2 may be smaller than a width of an inner through hole positioned on the inner side.
- FIG 8 is a view showing a shape in which the bracket engaging portion 1223f of the burner frame according to the sixth embodiment of the present invention covers the distribution plate 13 .
- the water heater according to the sixth embodiment of the present invention is different from the water heater according to the first to fifth embodiments only in that a part of the bracket engaging part 1223f covers a part of the outer through-hole 132 . have.
- the content described for the water heater 1 according to the first embodiment may be applied to the remaining components of the water heater according to the sixth embodiment except for the shape of the bracket engaging portion 1223f according to the sixth embodiment. .
- the width direction inner end of the bracket engaging portion 1223f of the burner frame may cover a portion of the outer through hole 132 that is a through hole disposed in the outer portion A12.
- An inner end of the bracket engaging portion 1223f in the width direction may cover at least a partial area of the outer through hole 1321 .
- the width direction inner end of the bracket engaging portion 1223f may cover a partial area of the inner through hole 1322 . Therefore, the overall area of the outer through-hole 132 may be reduced, and the bracket engaging portion 1223f may cover the outer through-hole 132 .
- FIG 9 is a view showing a shape in which the shielding plate 90g according to the seventh embodiment of the present invention covers the distribution plate 13 .
- the water heater according to the seventh embodiment of the present invention is different from the water heater according to the first to sixth embodiments only in that it further has a shielding plate 90g.
- the contents described for the water heater 1 according to the first embodiment may be applied as it is.
- the water heater may include a shielding plate 90g.
- the shielding plate 90g may be formed of a material including stainless steel.
- the shielding plate 90g may cover a portion of the through hole adjacent to both ends of the distribution plate 13 in the width direction.
- the shielding plate 90g may be divided into two parts and disposed to be spaced apart from each other in the width direction D2.
- the shielding plate 90g may be coupled to the distribution plate 13 or may be coupled to and fixed to the bracket locking part 1223 .
- the shielding plate 90g may cover a portion of the outer through hole 132 that is a through hole disposed in the outer portion A12 .
- the shielding plate 90g may cover at least a partial area of the outer through hole 1321 .
- a partial area of the shielding plate 90g and the inner through-hole 1322 may be covered. Accordingly, the shielding plate 90g may cover the outer through-hole 132 to reduce the overall area of the outer through-hole 132 .
- FIG. 10 is a view showing a flame shape generated in the burner (B) using an exemplary distribution plate.
- 11 is a view showing a flame shape generated in the burner 10 according to the first embodiment of the present invention.
- An exemplary case can be considered in which the number of through-holes is not adjusted and a distribution plate is used that is evenly arranged.
- a flame F1 is formed through a combustion reaction using a burner B including an exemplary distribution plate
- the flame F11 formed on the outside with respect to the width direction as shown in FIG. 10 is blown and formed very large and , may contact the sidewall of the combustion chamber and cause incomplete combustion as described above.
- the flame F2 is an expression of the shape of the flame F2 that can be obtained when the distribution plate 13 according to the first embodiment of the present invention is used, which is formed outside based on the width direction D2 as compared with FIG. It can be seen that the flame has decreased. Therefore, the flame may not reach the part of the side wall 21 of the combustion chamber 20 in contact with the combustion chamber insulation pipe 51, and the problem of incomplete combustion that may be caused by the exemplary burner 10 is reduced and carbon monoxide generation is reduced. decreases and the efficiency of the water heater 1 can be increased.
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
Description
Claims (17)
- 연소반응에 의해 생성되는 연소가스의 유동방향인 기준방향을 기준으로 연소실의 상류측에 위치하는 물 가열기용 버너에 있어서,상기 연소반응을 일으키기 위한 판형의 분배판을 포함하고,상기 기준방향에 직교하는 일 방향을 길이방향이라 하고, 상기 기준방향과 상기 길이방향에 직교하는 방향을 폭방향이라 할 때,상기 연소반응을 위한 연료와 공기의 혼합물이 통과하도록 상기 분배판이 상기 기준방향을 따라 관통되어 형성되는 복수의 관통홀이 상기 길이방향과 상기 폭방향을 따라 이격되어 배치되고,상기 분배판은 상기 폭방향을 기준으로 중심에 위치하는 부분인 중심부분과, 상기 중심부분의 양측에 위치하는 외곽부분을 포함하고,상기 외곽부분에 위치하는 관통홀의 면적의 합을 상기 외곽부분의 면적으로 나눈 관통밀도는, 상기 중심부분에 위치하는 관통홀의 면적의 합을 상기 중심부분의 면적으로 나눈 관통밀도보다 작은, 버너.
- 제1항에 있어서,상기 외곽부분의 관통밀도는, 상기 중심부분의 관통밀도의 70% 이하인, 버너.
- 제1항에 있어서,상기 폭방향을 기준으로 상기 외곽부분의 폭은, 상기 중심부분의 폭보다 작은, 버너.
- 제3항에 있어서,상기 외곽부분의 폭은, 각각 상기 분배판의 폭의 9.5% 이상 25% 이하이고,상기 중심부분의 폭은, 상기 분배판의 폭의 50% 이상 81% 이하인, 버너.
- 제1항에 있어서,상기 관통홀의 개수는,상기 외곽부분에 배치되는 관통홀의 개수는, 상기 중심부분에 배치되는 관통홀의 개수보다 적은, 버너.
- 제5항에 있어서,상기 중심부분에 배치되는 관통홀의 개수는, 상기 외곽부분에 배치되는 관통홀의 개수의 2배 이상 8.5배 이하인, 버너.
- 제1항에 있어서,상기 외곽부분에 배치되는 관통홀의 면적의 합은, 상기 중심부분에 배치되는 관통홀의 면적의 합보다 작은, 버너.
- 제7항에 있어서,상기 외곽부분에 배치되는 관통홀의 면적의 합은, 상기 분배판에 배치되는 관통홀의 면적의 합의 10.6% 이상 33.6% 이하이고,상기 중심부분에 배치되는 관통홀의 면적의 합은, 상기 분배판에 배치되는 관통홀의 면적의 합의 66.3% 이상 89.4% 이하인, 버너.
- 제1항에 있어서,상기 외곽부분에 배치되는 관통홀은, 폭방향을 기준으로 가장 외측에 배치되는 외측 관통홀과, 상기 외측 관통홀보다 내측에 배치되는 내측 관통홀을 포함하는, 버너.
- 제9항에 있어서,상기 외측 관통홀과 상기 내측 관통홀은 폭방향을 따라 봤을 때 길이방향을 따라 교번적으로 서로 이격되어 배치되고,상기 외측 관통홀과 상기 내측 관통홀은 번갈아가며 제1 간격 및 제2 간격만큼 이격되어 배치되는, 버너.
- 제1항에 있어서,상기 외곽부분에 배치되는 관통홀의 면적은, 상기 중심부분에 배치되는 관통홀의 면적보다 작은, 버너.
- 제1항에 있어서,상기 외곽부분에 배치되는 관통홀이 폭방향을 따라 가지는 폭은, 상기 중심부분에 배치되는 관통홀이 폭방향을 따라 가지는 폭보다 작은, 버너.
- 제1항에 있어서,상기 외곽부분에 배치되는 관통홀이 길이방향을 따라 가지는 두께는, 상기 중심부분에 배치되는 관통홀이 길이방향을 따라 가지는 두께보다 작은, 버너.
- 제1항에 있어서,중심에 개구가 형성되고, 상기 개구를 상기 분배판이 폐쇄하는 형태로 상기 분배판이 배치되도록 상기 분배판의 폭방향 및 길이방향 양단이 결합되는 버너 프레임을 더 포함하고,상기 버너 프레임의 폭방향 내측단은, 상기 외곽부분에 배치되는 관통홀 의 일부분을 덮는, 버너.
- 제1항에 있어서,상기 외곽부분에 배치되는 관통홀 중 상기 분배판의 폭방향 양단에 인접한 관통홀의 일부분을 덮고, 스테인리스를 포함하는 재질로 형성되는 가림판을 더 포함하는, 버너.
- 제1항에 있어서,상기 분배판은, 상기 연소반응이 발생하는 영역인 연소영역을 구비하고,상기 연소영역은, 길이방향에 직교하는 평면으로 자른 단면에서, 하방으로 볼록하게 형성된 프로파일을 가지고,상기 연소영역은, 상기 폭방향을 기준으로 가장 외측에 위치하는 2개의 외측지점 중 적어도 하나에서 그은 법선이, 상기 연소실의 내측면에 접촉하지 않도록 형성되는, 버너.
- 연료와 공기가 혼합되어 혼합물이 생성되는 믹스 챔버 및 상기 혼합물이 분출되며 연소반응을 일으키게 마련되는 판형의 분배판을 구비하는 버너;내부에 상기 연소반응에 의해 생성된 화염이 위치하도록 마련되는 연소실;상기 연소반응에 의해 발생하는 열을 이용해 물을 가열하는 열교환기; 및상기 연소실의 단열을 위해 상기 연소실의 외측에 물이 유동하도록 마련되는 연소실 단열배관을 포함하고,상기 연소반응에 의해 생성된 연소가스가 유동하는 방향을 기준방향이라 하고, 상기 기준방향에 직교하는 일 방향을 길이방향이라 하고, 상기 기준방향과 상기 길이방향에 직교하는 방향을 폭방향이라 할 때,상기 혼합물이 통과하도록 상기 분배판이 상기 기준방향을 따라 관통되어 형성되는 복수의 관통홀이 상기 길이방향과 상기 폭방향을 따라 이격되어 배치되고,상기 분배판은 상기 폭방향을 기준으로 중심에 위치하는 부분인 중심부분과, 상기 중심부분의 양측에 위치하는 외곽부분을 포함하고,상기 외곽부분에 형성되는 관통홀은, 상기 폭방향을 기준으로 상기 외곽부분에 배치되는 관통홀을 통과하는 혼합물에 의해 형성되는 화염의 외측 말단이 상기 연소실 단열배관과 접촉하고 있는 상기 연소실의 측벽의 일부분보다 내측에 위치하도록 배치되는, 물 가열기.
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CN202280028210.4A CN117178143A (zh) | 2021-04-14 | 2022-04-07 | 燃烧器和包括该燃烧器的热水器 |
GB2315324.0A GB2619882A (en) | 2021-04-14 | 2022-04-07 | Burner and water heater comprising same |
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KR1020220042484A KR102651403B1 (ko) | 2021-04-14 | 2022-04-05 | 버너 및 이를 포함하는 물 가열기 |
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Publication number | Priority date | Publication date | Assignee | Title |
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EP2227655B1 (en) * | 2007-11-19 | 2012-08-08 | Sit La Precisa S.p.A. con socio unico | A burner, specifically a premix burner |
KR20170011448A (ko) * | 2015-07-23 | 2017-02-02 | 주식회사 경동나비엔 | 열교환기 |
CN210069846U (zh) * | 2019-04-30 | 2020-02-14 | 浙江广涛卫厨有限公司 | 倒置燃烧器 |
CN210801178U (zh) * | 2019-07-25 | 2020-06-19 | 广东万和新电气股份有限公司 | 一种新型浓淡燃烧器火孔板 |
KR20200095240A (ko) * | 2019-01-31 | 2020-08-10 | 주식회사 경동나비엔 | 버너 및 이를 이용한 물 가열기 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2227655B1 (en) * | 2007-11-19 | 2012-08-08 | Sit La Precisa S.p.A. con socio unico | A burner, specifically a premix burner |
KR20170011448A (ko) * | 2015-07-23 | 2017-02-02 | 주식회사 경동나비엔 | 열교환기 |
KR20200095240A (ko) * | 2019-01-31 | 2020-08-10 | 주식회사 경동나비엔 | 버너 및 이를 이용한 물 가열기 |
CN210069846U (zh) * | 2019-04-30 | 2020-02-14 | 浙江广涛卫厨有限公司 | 倒置燃烧器 |
CN210801178U (zh) * | 2019-07-25 | 2020-06-19 | 广东万和新电气股份有限公司 | 一种新型浓淡燃烧器火孔板 |
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