WO2018223957A1 - 燃烧器和具有其的燃气热水器 - Google Patents

燃烧器和具有其的燃气热水器 Download PDF

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Publication number
WO2018223957A1
WO2018223957A1 PCT/CN2018/089953 CN2018089953W WO2018223957A1 WO 2018223957 A1 WO2018223957 A1 WO 2018223957A1 CN 2018089953 W CN2018089953 W CN 2018089953W WO 2018223957 A1 WO2018223957 A1 WO 2018223957A1
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WO
WIPO (PCT)
Prior art keywords
air outlet
partition
main air
sheet
air outlets
Prior art date
Application number
PCT/CN2018/089953
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
陈文风
孟宪超
梁国荣
Original Assignee
芜湖美的厨卫电器制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201720643879.0U external-priority patent/CN206831497U/zh
Priority claimed from CN201710413171.0A external-priority patent/CN108980826A/zh
Application filed by 芜湖美的厨卫电器制造有限公司 filed Critical 芜湖美的厨卫电器制造有限公司
Priority to KR1020207000074A priority Critical patent/KR102363057B1/ko
Priority to JP2019567243A priority patent/JP7035091B2/ja
Publication of WO2018223957A1 publication Critical patent/WO2018223957A1/zh
Priority to US16/705,081 priority patent/US20200166243A1/en

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Classifications

    • 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
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/005—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • 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
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/045—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with a plurality of burner bars assembled together, e.g. in a grid-like arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/08—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with axial outlets at the burner head
    • 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
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/70—Baffles or like flow-disturbing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/007—Mixing tubes, air supply regulation

Definitions

  • the present invention relates to the field of water heater technology, and more particularly to a burner and a gas water heater having the same.
  • Burners are an important part of gas water heaters.
  • the fire hole of the horizontal ejector fire row of the burner is usually a neat and evenly arranged slit-type fire hole structure for every four long holes, and the flow channel structure size in the burner
  • the above structure may cause problems such as low heat load of the burner and poor uniformity of the flame, and it is necessary to improve it.
  • the fire hole of the burner in the related art employs a plurality of sets of neatly and evenly arranged strip-shaped hole structures.
  • the plurality of sets of strip holes are all disposed on the U-shaped piece of the burner, and when the gas in the mixing chamber flows out through the hole of the adjacent side of each strip hole, there is a certain resistance, which easily causes the heat load of the burner to be low. Problems such as poor flame uniformity.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a burner which has a simple structure and good performance.
  • the invention also proposes a gas water heater having the above burner.
  • a burner according to an embodiment of the first aspect of the present invention includes a fire row in which a mixing chamber is defined, the fire row having an air inlet, a main air outlet, and a secondary air outlet that are electrically connected to the mixing chamber
  • the fire row includes: a first sheet; a second sheet, the second sheet being disposed opposite the first sheet and defining the mixing chamber; a partition, the partition The first sheet body and the second sheet body are respectively connected to the first sheet body and the second sheet body, and the main air outlet is formed on the partition plate.
  • the separator and the at least one of the first sheet and the second sheet define the secondary air outlet.
  • the sub-venting port on the side of the main air outlet is defined by the partition plate and at least one of the first sheet body and the second sheet body, the area of the air outlet port can be increased, and the outlet is provided
  • the gas port is directly connected to the mixing chamber, which not only can improve the heat load, but also can improve the quality and usage index of the gas water heater to meet the requirements of the whole machine. Therefore, the burner has a large air outlet area, a simple structure, convenient manufacture, and strong adaptability.
  • the auxiliary air outlet includes a first auxiliary air outlet and a second secondary air outlet, and one side of the partition defines the first auxiliary air outlet with the first body, The other side of the partition defines the second secondary air outlet with the second body.
  • the first sheet body is formed with a first pressing shape recessed in a direction away from the partition plate, and the first pressing type and one side of the partition plate define a mixing cavity and a first airflow sub-channel in which the first sub-exhaust port is turned on, and the second sheet body is formed with a second pressing shape that is recessed in a direction away from the partition plate and disposed opposite to the first pressing type,
  • the second pressure profile and the other side of the diaphragm define a second airflow secondary passage that is in communication with the mixing chamber and the second secondary air outlet.
  • first pressing type and the second pressing type respectively include a plurality of spaced apart along the length direction of the partition plate
  • the first auxiliary air outlet includes a plurality of the first pressing patterns a plurality of positions corresponding to the one-to-one correspondence
  • the second auxiliary air outlet includes a plurality of one-to-one corresponding to the plurality of the second pressing positions
  • each of the first auxiliary air outlet and the second auxiliary air outlet An elongated hole extending in the longitudinal direction of the spacer is formed, respectively.
  • the upper ends of the first pressing form and the second pressing form extend beyond the partition plate and extend obliquely upward in the height direction thereof in a direction away from the partition plate.
  • the main air outlet includes: a plurality of first main air outlets disposed in a middle portion of the partition, and the plurality of first main air outlets are spaced apart along a length direction of the partition a plurality of second main air outlets distributed in two rows on both sides of the partition, and a plurality of the second main air outlets in each row are spaced apart along the length direction of the partition.
  • each of the first main air outlet and the second main air outlet respectively form an elongated hole extending along a width direction of the partition, and each of the second main air outlets has a length smaller than The length of each of the first main air outlets.
  • a plurality of the first main air outlets and a plurality of the second main air outlets are arranged in a staggered manner along a length direction of the partition.
  • the main air outlets are distributed in a plurality of groups along the length direction of the partition, and each group includes at least one of the first main air outlet and at least one second main air outlet.
  • the interval between adjacent two sets of the main air outlets is greater than or equal to the interval between two adjacent ones of the secondary air outlets, and the number of the main air outlets in each group is 3 -8.
  • two ends of the first sheet body and the second sheet body on opposite sides are respectively provided with end plates extending along a width direction of the partition plate, and each of the end plates is located at the end plate A set of the main air outlets at the outermost ends of the partitions correspond to each other.
  • a gas water heater according to an embodiment of the second aspect of the present invention includes the burner according to the above embodiment.
  • the gas water heater according to the embodiment of the present invention has a combustion flame stability and a high heat load by using a burner having a main air outlet and a sub air outlet defined by the first body and/or the second body and the partition. Good performance.
  • FIG. 1 is a schematic view of a plurality of fire rows of a burner assembled according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a fire row of a burner according to an embodiment of the present invention
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 4 is a plan view of the structure shown in Figure 2;
  • Fig. 5 is an enlarged view of a portion B shown in Fig. 4.
  • a second sheet 12 a second pressing pattern 121, a second air flow sub-channel 122, a second sub-air outlet 123,
  • the partition plate 13 the first vertical plate segment 131, the second vertical plate segment 132, the horizontal plate segment 133, the air flow main passage 134, the first main air outlet 1351, and the second main air outlet 1352.
  • a gas water heater includes a combustor 100.
  • the burner 100 includes a plurality of fire platoons 10 arranged side by side, and the number of the fire platoons 10 can be specifically set according to practical applications.
  • a mixing chamber 101 is defined in each of the fire rows 10, and the fire row 10 has an air inlet 102, a main air outlet, and a secondary air outlet that are electrically connected to the mixing chamber 101.
  • the fire row 10 includes a first sheet 11, a second sheet 12, and a partition 13, which is disposed opposite the first sheet 11 and defines a mixing chamber 101.
  • the partition plate 13 is provided between the first sheet body 11 and the second sheet body 12 and above the mixing chamber 101.
  • the front and rear sides of the partition plate 13 are respectively connected to the side opposite to the first sheet body 11 and the second sheet body 12.
  • the partition 13 has a main air outlet, and the partition 13 and at least one of the first body 11 and the second body 12 define a secondary air outlet.
  • the partition 13 defines only the secondary air outlet with one of the first and second bodies 11 and 12, or the first and second bodies 11 and 12 of the partition 13 respectively.
  • the auxiliary air outlet is defined, and the auxiliary air outlet is provided on both sides of the main air outlet.
  • the sub-venting port on the side of the main air outlet is defined by the partition plate 13 and at least one of the first sheet body 11 and the second sheet body 12, and the area of the air outlet port can be increased.
  • the auxiliary air outlet is directly connected to the mixing chamber 101, which not only can improve the heat load, but also can improve the quality and the use index of the gas water heater to meet the requirements of the whole machine. Therefore, the burner 100 has a large air outlet area, a simple structure, convenient manufacture, and strong adaptability.
  • a gas water heater according to an embodiment of the present invention has combustion flame stability by using a burner 100 having a main air outlet and a sub-outlet defined by the first body 11 and/or the second body 12 and the partition 13 High heat load and good performance.
  • the first sheet body 11 and the second sheet body 12 are arranged in the front-rear direction.
  • the auxiliary air outlet includes a first auxiliary air outlet 113 and a second secondary air outlet 123.
  • One side of the partition 13 (the front side shown in FIG. 3) and the first body 11 define a first auxiliary air outlet 113.
  • the other side of the plate 13 (the rear side as shown in FIG. 3) and the second body 12 define a second secondary air outlet 123.
  • the auxiliary air outlets are respectively added to both sides of the main air outlet, and the area of the air outlet is further increased to increase the heat load.
  • the first sheet body 11 is formed with a first pressing pattern 111 that is outwardly recessed.
  • the first pressing type 111 and the front side of the partition plate 13 define a conduction with the mixing chamber 101 and the first sub-outlet port 113.
  • the first airflow sub-passage 112 and the first airflow sub-passage 112 extend in a vertical direction.
  • the second sheet body 12 is formed with a second pressing pattern 121 which is outwardly recessed and disposed opposite to the first pressing pattern 111, and the second pressing pattern 121 and the rear side of the partition plate 13 define the mixing chamber 101 and the
  • the second air outlet port 123 is electrically connected to the second air outlet port 123, and the second air flow sub-channel 122 extends in the vertical direction.
  • outer means a direction away from the partition 13 as shown in FIG. 3, that is, a direction away from the center line of the partition 13, and "vertical direction” means an up-and-down direction as shown in FIG.
  • the second pressing pattern 121 which is outwardly recessed is formed in the second sheet body 12, and the size of the spacer 13 is increased on the basis of the same size.
  • the area of the air vents, thereby increasing the thermal load of the burner 100, and the auxiliary air outlets defined by the first and second sheets 11 and 12, respectively, and the partitions 13 can be directly connected to the mixing chamber 101 through the corresponding air flow passages.
  • the gas flows from the mixing chamber 101 to the first airflow sub-passage 112 and the second airflow sub-passage 122 a steady flow can be achieved, thereby reducing the flow resistance of the airflow, thereby facilitating the improvement of the quality and usage index of the gas water heater.
  • the stamping manufacturing process for the first sheet 11 and the second sheet 12 is simple and reliable, and the production cost is low.
  • first press type 111 and the second press type 121 extend beyond the partition plate 13 and extend obliquely upward in the height direction thereof (upward and downward direction as shown in FIG. 3) in the direction away from the partition plate 13. This ensures the stability of the flame.
  • the partition 13 includes a U-shaped plate section 133, a first vertical plate section 131 connected to one side of the U-shaped plate section 133, and the U-shaped plate section.
  • a second vertical plate segment 132 joined to the other side of the 133.
  • the U-shaped plate segment 133 is disposed between the first sheet body 11 and the second sheet body 12 and is connected to the first sheet body 11 and the second sheet body 12.
  • the front side of the U-shaped plate section 133 and the first body 11 define a first secondary air outlet 113, and the first vertical plate section 131 and the first body 11 define a first airflow sub-passage 112.
  • the rear side of the U-shaped plate section 133 and the second body 12 define a second secondary air outlet 123, and the second vertical plate section 132 and the second body 12 define a second airflow sub-passage 122.
  • the second vertical plate section 132 and the first vertical plate section 131 and the U-shaped plate section 133 define an air flow main passage 134 that is electrically connected to the main air outlet, the secondary air outlet, and the mixing chamber 101.
  • the first molding 111 includes a plurality of spaced apart along the length direction of the first sheet 11, and the first auxiliary air outlet 113 includes a plurality of first pressures.
  • Type 111 positions are one-to-one correspondence.
  • the second pressing pattern 121 includes a plurality of spaced apart portions along the length direction of the second sheet body 12, and the second auxiliary air outlet opening 123 includes a plurality of one-to-one correspondences with the plurality of second pressing patterns 121, each of the first pair
  • the air outlet 113 and the second sub air outlet 123 respectively form elongated holes extending in the longitudinal direction of the partition plate 13.
  • the front side of the partition plate 13 is provided with a plurality of first sub air outlets 113 spaced apart in the left-right direction
  • the rear side of the partition plate 13 is provided with a plurality of second sub air outlets spaced apart in the left-right direction. 123.
  • the plurality of first sub-outlet ports 113 and the plurality of second sub-outlet ports 123 are correspondingly positioned.
  • the plurality of first sub-exhaust ports 113 and the plurality of second sub-exhaust ports 123 are uniformly distributed along the length direction of the partition plate 13, respectively, thereby ensuring the performance of the combustor 100.
  • the main air outlet includes a plurality of first main air outlets 1351 disposed in the middle of the partition plate 13 and a plurality of two rows distributed in two rows adjacent to the partition plate 13 The second main air outlet 1352.
  • the plurality of first main air outlets 1351 are spaced apart along the longitudinal direction of the partition plate 13.
  • a plurality of second main air outlets 1352 of each row are spaced apart along the length direction of the partition plate 13.
  • each of the first main air outlet 1351 and the second main air outlet 1352 respectively form an elongated hole extending in the width direction of the partition 13, and each second main air outlet 1352 has a length smaller than each of the first main The length of the air outlet 1351.
  • the "width direction” means the front-rear direction of the separator 13 as shown in FIG. 4
  • the "longitudinal direction” means the left-right direction of the separator 13 as shown in FIG.
  • a plurality of first main air outlets 1351 and a plurality of second main air outlets 1352 are arranged in a staggered arrangement along the length direction of the partition 13.
  • the main air outlets are in a plurality of sets distributed along the length of the partition 13 and each set includes at least one first main air outlet 1351 and at least one second main air outlet 1352.
  • the interval L1 of the adjacent two main air outlets in the longitudinal direction of the partition 13 is greater than or equal to the interval L2 of the adjacent two secondary air outlets.
  • the number of main air outlets in each group is 3-8 and the first sub air outlet 113 and the second sub air outlet 123 are provided on both sides of each group main air outlet.
  • each set includes two first main air outlets 1351 and four second main air outlets 1352.
  • the two first main air outlets 1351 are spaced apart along the length direction of the partition plate 13 and the center line of each of the first main air outlets 1351 coincides with the center line of the partition plate 13.
  • the left side of the first main air outlet 1351 and the right side of the first main air outlet 1351 are respectively provided with two second main air outlets 1352 spaced along the width direction of the partition plate 13, and two second main air outlets 1352
  • the center line is located on the front and rear sides of the center line of the first main air outlet 1351.
  • the opposite ends of the first sheet body 11 and the second sheet body 12 on the opposite side are respectively provided with end plates 114 (124) extending in the width direction of the partition plate 13, and each end plate 114 (124) and one at the outermost end of the partition plate 13
  • the position of the main air outlet of the group corresponds.
  • the other side of each of the main air outlets is provided with a secondary air outlet.
  • the end plate 114 (124) has a flame-reducing and fire-transmitting function to facilitate the flame transfer between the adjacent two fire rows 10.
  • the fire row 10 includes six, and the six fire rows 10 are arranged side by side in the front-rear direction, and each fire row 10 extends in the left-right direction.
  • the two ends of the adjacent two fire rows 10 are connected by respective end plates 114 (124) to ensure the flame stability of the burner and facilitate the flame transfer between the adjacent two fire rows 10.
  • the burner 100 defines a pair corresponding to the position of each group of main air outlets on the U-shaped plate section 133 by the U-shaped plate section 133 at the center and the first and second sheets 11 and 12;
  • the air outlet increases the total area of the air outlet, and the resistance of the mixed gas flow is reduced, thereby improving the heat load, the performance of the burner 100, and the adaptability.

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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)
  • Feeding And Controlling Fuel (AREA)
  • Regulation And Control Of Combustion (AREA)
PCT/CN2018/089953 2017-06-05 2018-06-05 燃烧器和具有其的燃气热水器 WO2018223957A1 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020207000074A KR102363057B1 (ko) 2017-06-05 2018-06-05 연소기 및 이를 구비하는 가스 온수기
JP2019567243A JP7035091B2 (ja) 2017-06-05 2018-06-05 バーナー及びバーナーを含むガス給湯器
US16/705,081 US20200166243A1 (en) 2017-06-05 2019-12-05 Burner and gas water heater having same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201710413171.0 2017-06-05
CN201720643879.0 2017-06-05
CN201720643879.0U CN206831497U (zh) 2017-06-05 2017-06-05 燃烧器和具有其的燃气热水器
CN201710413171.0A CN108980826A (zh) 2017-06-05 2017-06-05 燃烧器和具有其的燃气热水器

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/705,081 Continuation US20200166243A1 (en) 2017-06-05 2019-12-05 Burner and gas water heater having same

Publications (1)

Publication Number Publication Date
WO2018223957A1 true WO2018223957A1 (zh) 2018-12-13

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PCT/CN2018/089953 WO2018223957A1 (zh) 2017-06-05 2018-06-05 燃烧器和具有其的燃气热水器

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US (1) US20200166243A1 (ko)
JP (1) JP7035091B2 (ko)
KR (1) KR102363057B1 (ko)
WO (1) WO2018223957A1 (ko)

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EP4104860A4 (en) 2020-02-10 2024-03-06 Exostemtech Co., Ltd. EXOSOME WITH LIGHT-SPLITABLE PROTEIN AND USE THEREOF
CN214619543U (zh) * 2021-01-22 2021-11-05 佛山市顺德区裕安燃气具实业有限公司 一种低氮燃烧器

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CN204648246U (zh) * 2015-05-09 2015-09-16 广东万和新电气股份有限公司 用于燃气热水器燃烧器的火排
CN204693407U (zh) * 2015-05-11 2015-10-07 芜湖美的厨卫电器制造有限公司 燃烧器及燃气热水器
CN205746828U (zh) * 2016-06-21 2016-11-30 甘国玉 一种新型节能火排
CN206831497U (zh) * 2017-06-05 2018-01-02 芜湖美的厨卫电器制造有限公司 燃烧器和具有其的燃气热水器

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