WO2016141644A1 - Brûleur et instrument à gaz combustible - Google Patents

Brûleur et instrument à gaz combustible Download PDF

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Publication number
WO2016141644A1
WO2016141644A1 PCT/CN2015/082058 CN2015082058W WO2016141644A1 WO 2016141644 A1 WO2016141644 A1 WO 2016141644A1 CN 2015082058 W CN2015082058 W CN 2015082058W WO 2016141644 A1 WO2016141644 A1 WO 2016141644A1
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WO
WIPO (PCT)
Prior art keywords
bottom cup
chamber
replenishing
inner ring
primary air
Prior art date
Application number
PCT/CN2015/082058
Other languages
English (en)
Chinese (zh)
Inventor
方松青
米晓东
Original Assignee
广东美的厨房电器制造有限公司
美的集团股份有限公司
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Application filed by 广东美的厨房电器制造有限公司, 美的集团股份有限公司 filed Critical 广东美的厨房电器制造有限公司
Publication of WO2016141644A1 publication Critical patent/WO2016141644A1/fr

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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
    • F23D14/48—Nozzles
    • F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes

Definitions

  • the present invention relates to the field of home appliances, and more particularly to a burner and a gas appliance including the burner.
  • the burner In existing gas appliances, the burner generally includes a bottom cup and a flamethrower, and the flamethrower is disposed on the bottom cup.
  • the bottom cup is provided with a gas inlet, and the gas is discharged through the nozzle to the inside of the bottom cup through the gas inlet.
  • the inner ring fire gas of the flamethrower is not well mixed with the air, so the inner ring fire combustion is not optimized.
  • the burner design goals pursued by the global burner industry are: improving the thermal efficiency of the burner, optimizing the design to improve the manufacturability of the burner, facilitating the processing, and improving the production and assembly efficiency of the burner.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention is required to provide a burner and a gas appliance including the same.
  • a burner includes a bottom cup assembly and a flamethrower disposed on the bottom cup assembly.
  • the burner includes an inner ring primary air replenishing portion, and the inner ring primary air replenishing portion is disposed between the flame igniter and the bottom cup assembly, and the inner ring primary air replenishing portion is provided with an inner ring primary air replenishing passage.
  • the bottom cup assembly includes an air inlet assembly, and the air inlet assembly is provided with a first air inlet channel, a connecting channel and a second air inlet channel, the connection channel connecting the first air inlet channel and the second air inlet channel,
  • the air outlet of the first intake passage is mounted with a first nozzle, and the air outlet of the second intake passage is mounted with a second nozzle.
  • the flamethrower comprises an outer ring flame igniter and an inner ring flame squirt, the outer ring squirting device surrounds the inner ring squirting device, the inner ring squirting device is provided with an inner gas reaching cavity opposite to the second nozzle, the inner ring is once air A supplemental passage communicates with the inner gas arrival chamber.
  • the gas for the inner ring flame igniter can be mixed with the air entering the cavity and the air entering the primary air replenishing passage of the inner ring, thereby realizing the premixing of the inner ring fire gas and the primary air and fully burning, thereby improving The gas combustion efficiency of the inner ring flamethrower.
  • the bottom cup assembly includes a first side opposite the flame thrower, the first side being provided with a bottom cup rib.
  • the flamethrower includes a second surface opposite the first surface, the second surface is connected to the outer ring flame igniter and the inner ring flame damper, and the second surface is provided with a flame damper plate The inner ring primary air replenishing portion is formed together on the bottom cup rib.
  • the burner includes an inner fire cover and an outer fire cover, the fire extinguisher including a vertical venturi.
  • the vertical venturi is located in the inner ring flamethrower, the inner fire cover is disposed on the inner ring flame blaster, and the inner fire cover, the inner ring flame blaster and the vertical venturi are internally mixed
  • the gas reaches the chamber, and the vertical venturi communicates with the internal mixed gas to the chamber and the internal gas reaches the chamber.
  • the outer fire cover is disposed on the outer ring flame blaster, and the outer fire cover and the outer ring flame blaster together form an external mixed gas to reach the chamber.
  • the bottom cup assembly includes a bottom lid and a bottom cup, the bottom lid being embedded in the bottom cup, the flame thrower being disposed on the bottom lid, the bottom lid including the first surface.
  • the bottom cup cover is provided with a bottom cup primary air replenishing chamber, and the first intake passage communicates with the bottom cup primary air replenishing chamber through the first nozzle, and the second intake passage passes through the second nozzle and the internal gas The cavity is connected to communicate airflow between the first intake passage and the second intake passage.
  • the bottom cup cover includes a bottom cup replenishing portion and a first mixing portion
  • the air inlet assembly includes a first air inlet portion, a second air intake portion, and a connecting portion, the connecting portion connecting the first inlet a gas portion and the second intake portion.
  • the first air inlet portion, the bottom cup replenishing portion and the first mixing portion are sequentially connected, and the second air inlet portion is disposed through the bottom cup replenishing portion, and the connecting portion is disposed on an outer side wall of the bottom cup replenishing portion.
  • the bottom cup replenishing portion is provided with the bottom cup primary air replenishing chamber
  • the first mixing portion is provided with a first groove communicating with the bottom cup primary air replenishing chamber
  • the first air inlet portion is provided with the first air inlet
  • the second intake portion is provided with the second intake passage, and the connecting portion opens the connecting passage.
  • the bottom cup holder includes a first chamber portion, a second mixing portion, and a second chamber portion that are sequentially connected, the first chamber portion is connected to the bottom cup replenishing portion and the first chamber is opened
  • the first chamber and the bottom cup primary air replenishing chamber together form a bottom cup primary air replenishing chamber.
  • the second mixing portion is coupled to the first mixing portion and together forms a horizontal venturi, the second mixing portion is provided with a second groove, and the second groove and the first groove together form the horizontal venturi Mixed channel.
  • the second chamber portion is provided with a primary air/gas mixing distribution chamber, and the primary air/gas mixing distribution chamber communicates with the bottom cup primary air replenishing chamber through the mixing passage, and the external mixed gas reaches the chamber and the primary air/ The gas mixing distribution chamber is connected.
  • the bottom cup cover includes a rib disposed on a circumference of the second nozzle, the rib is provided with a waterproof chamfer, and the bottom cup rib connects the rib.
  • an outer ring primary air replenishing passage is formed between the bottom cup replenishing portion and the outer ring flamethrower, and the outer ring primary air replenishing passage communicates with the bottom cup primary air replenishing chamber.
  • a gap is formed between the outer ring flame damper and the bottom cup cover, and the flame blaster has an opening between the outer ring flame igniter and the inner ring flame blaster, the gap being common to the opening A secondary air replenishing passage is formed.
  • a gas appliance comprising the burner described above.
  • Figure 1 is a perspective view of a burner according to a preferred embodiment of the present invention.
  • Figure 2 is another perspective view of the burner of the preferred embodiment of the present invention.
  • Figure 3 is an exploded perspective view of a burner according to a preferred embodiment of the present invention.
  • FIG. 4 is another exploded perspective view of a burner (the inner fire cover and the outer fire cover are omitted) according to a preferred embodiment of the present invention
  • FIG. 5 is a further exploded perspective view of the burner (the inner fire cover and the outer fire cover are omitted) according to a preferred embodiment of the present invention
  • Figure 6 is a plan view showing a burner of a preferred embodiment of the present invention.
  • Figure 7 is a schematic cross-sectional view of the burner of Figure 6 taken along line VII-VII;
  • Figure 8 is a schematic cross-sectional view of the burner of Figure 6 taken along line VIII-VIII;
  • Figure 9 is a schematic cross-sectional view of the burner of Figure 6 taken along line IX-IX;
  • Figure 10 is a perspective view of a gas appliance in accordance with a preferred embodiment of the present invention.
  • Figure 11 is a schematic cross-sectional view of a gas appliance in accordance with a preferred embodiment of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, or may be electrically connected or may communicate with each other; may be directly connected or indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • a burner 100 includes a bottom cup assembly 102, a flamethrower 104, an inner fire cover 106, an outer fire cover 108, a first nozzle (not shown), and a second nozzle. (not shown).
  • the bottom cup assembly 102 includes a bottom lid 114 and a bottom cup 116.
  • the bottom lid 114 is embedded in the bottom cup 116.
  • the bottom lid 114 and the bottom cup 116 are riveted.
  • the holes 118 are connected.
  • the bottom lid 114 includes a first side 119, an air inlet assembly 120, a bottom cup replenishing portion 122, and a first mixing portion 124.
  • the first surface 119 is connected to the bottom cup replenishing portion 122 and the first mixing portion 124.
  • the first face 119 is opposite the flamethrower 104.
  • a bottom cup rib 125 is disposed on the first surface 119.
  • the number of bottom cup ribs 125 is four.
  • two of the bottom cup ribs 125 are referred to as a first bottom cup rib pair, and the other two bottom cup ribs 125 are referred to as a second bottom cup rib pair.
  • the first bottom cup rib pairs together form a first bottom cup channel 126
  • the second bottom cup rib pair together form a second bottom cup channel 127.
  • the air intake port assembly 120 includes a first air intake portion 128 , a second air intake portion 130 , and a connecting portion 132 that connects the first air intake portion 128 and the second air intake portion 130 .
  • the first intake portion 128, the bottom cup replenishing portion 122, and the first mixing portion 124 are sequentially connected.
  • the second air inlet portion 130 is disposed through the bottom cup replenishing portion 122
  • the connecting portion 132 is disposed on an outer side wall of the bottom cup replenishing portion 122 .
  • the first air inlet portion 128 is a tubular air inlet portion that is placed substantially horizontally.
  • the second intake portion 130 is a tubular intake portion that is placed obliquely with respect to the first intake portion 128 . Therefore, the second intake portion 130 placed obliquely realizes smooth airflow, facilitates die-out processing, improves manufacturability of the combustor 100, and reduces cost.
  • the first intake portion 128 defines a first intake passage 134 .
  • the second intake portion 130 defines a second intake passage 136 .
  • the connecting portion 132 defines a connecting passage 138 .
  • the second intake passage 136 is disposed obliquely with respect to the first intake passage 134.
  • the inclined second intake passage 136 is structurally smoother in airflow.
  • the connecting passage 138 is connected to the first intake passage 134 and the second intake passage 136 to interconnect the air flow between the first intake passage 134 and the second intake passage 136. Therefore, the connecting passage 138 laterally connects the first intake passage 134 and the second intake passage 136.
  • the first intake passage 134 has an intake port 140 and an air outlet 142.
  • the intake port 140 of the first intake passage 134 may be coupled to an external source of air.
  • the first nozzle is mounted to an air outlet 142 of the first intake passage 134.
  • the second intake passage 136 has an air outlet 144 (see FIGS. 3 and 7 ), and the air outlet 144 of the second intake passage 136 is opened at one end of the second intake portion 130 away from the connecting portion 132 . At the air outlet 144 of the second intake passage 136. Therefore, when the gas flows into the first intake passage 134, a part of the gas is injected to the bottom cup replenishing portion 122 through the first nozzle, and the other portion of the gas is ejected through the second nozzle.
  • the first process hole 146 (see FIG. 3) is opened on the outer wall of the first air inlet portion 128 away from the connecting portion 132.
  • the first process hole 146 extends through the first intake passage 134 and communicates with the connecting passage 138 for ensuring process achievability of the connecting passage 138.
  • the first process hole 146 is blocked by the first plug (not shown) to ensure the airtightness of the burner 100.
  • the other end of the second air inlet portion 130 connected to the connecting portion 132 is provided with a second process hole 150 (see FIGS. 3 and 5), and the second process hole 150 is used to ensure that the process of the second intake passage 136 can be realized.
  • the second process hole 150 is blocked by the second plug (not shown) to ensure the airtightness of the burner 100.
  • the second process hole 150 can also have the intake port of the second intake passage 136.
  • the connection passage 138 is not machined, and the second plug is opened, and another gas source is connected to the second process hole 150. Since the connecting passage 138 is not processed, the first intake passage 134 and the second intake passage 136 are not in communication, so that the first intake passage 134 and the second intake passage 136 can be separately supplied with air.
  • the bottom cup replenishing portion 122 has a fan shape, and the second air intake portion 130 is bored on the inner side of the bottom cup replenishing portion 122.
  • the bottom cup replenishing portion 122 is provided with a bottom cup primary air replenishing chamber 154.
  • the bottom cup primary air replenishing chamber 154 passes through the bottom cup replenishing portion 122.
  • the bottom cup primary air replenishing chamber 154 is in communication with the first intake passage 134 through the first nozzle.
  • the first intake portion 128 is coupled to the larger end of the bottom cup replenishing portion 122, and the first mixing portion 124 is coupled to the smaller end of the bottom cup replenishing portion 122.
  • the air flow flows from the larger end direction of the bottom cup replenishing portion 122 toward the smaller end direction of the bottom cup replenishing portion 122, which facilitates the ejection of the air current.
  • the bottom lid 114 also includes a rib 158 disposed on the periphery of the second nozzle.
  • the bottom cup rib is connected to the rib.
  • the rib 158 is provided with a waterproof chamfer 160. This can effectively prevent liquids such as water, soup, etc. from entering the bottom lid 114 of the burner 100 and clogging the nozzle.
  • the first mixing portion 124 is provided with a first recess 162 (see FIG. 5) in communication with the bottom cup primary air replenishing chamber 154.
  • the first groove 162 is horizontally opened and penetrates the first mixing portion 124 in the axial direction of the first intake portion 128. Therefore, the first nozzle is in direct communication with the first groove 162, and the rear end of the first groove 162 (the end of the first groove 162 away from the first nozzle) is unobstructed, facilitating the processing and mold making of the bottom cup cover 114, thereby improving The manufacturability of the burner reduces costs.
  • the bottom cup holder 116 includes a first chamber portion 164, a second mixing portion 166, and a second chamber portion 168 that are sequentially connected.
  • the first chamber portion 164 is connected to the bottom cup replenishing portion 122 and is provided with a first chamber 170.
  • the first chamber 170 and the bottom cup primary air replenishing chamber 154 together form a bottom cup primary air replenishing chamber 172.
  • the first chamber portion 164 has a fan shape that matches the first supplement portion 122.
  • the second mixing portion 166 is coupled to the first mixing portion 124 and together forms a horizontal venturi 174 (see Fig. 7).
  • the second mixing portion 166 is open with a second recess 176 which, together with the first recess 162, forms a mixing passage 178 (see FIG. 7) of the horizontal venturi 174.
  • the second chamber portion 168 is provided with a primary air/gas mixing distribution chamber 180 through which the primary air/gas mixing distribution chamber 180 communicates with the bottom cup primary air replenishing chamber 172.
  • the second chamber portion 168 has a fan shape, and the arc length of the second chamber portion 168 is larger than the arc length of the first chamber portion 164.
  • the primary air/gas mixture distribution chamber 180 is folded back from the periphery of the burner 100 to the two chambers on both sides of the center of the burner 100. Therefore, the first chamber portion 164 facilitates the mixing of gases.
  • the second chamber portion 168 facilitates dispersion of the gas.
  • the bottom cup holder 116 is also provided with a first mounting hole 182.
  • the first mounting hole 182 is spaced apart from the first chamber 170, the second recess 176, and the primary air/gas mixing and dispensing chamber 180.
  • the fixture can secure the bottom cup assembly 102 to the gas appliance through the first mounting aperture 182.
  • the bottom cup holder 116 defines two first through holes 190 through which the ignition device passes, and the bottom cup cover 114 defines two second through holes 192 corresponding to the two first through holes 190 respectively.
  • the two first via holes 190 are respectively located on both sides of the second mixing portion 166.
  • Two second via holes 192 are respectively located on both sides of the first mixing portion 124.
  • the thermocouple of the ignition device may sequentially pass through one of the first vias 190 and one of the second vias 192, and the ignition pin of the ignition device may sequentially pass through the other first via 190 and the other second via 192.
  • the flamethrower 104 is disposed on the bottom cup cover 114 of the bottom cup assembly 102.
  • the flamethrower 104 includes a second face 193, an outer ring flamethrower 194, an inner ring flamethrower 196, a vertical venturi 198, and a connecting rib 200.
  • the inner ring flame igniter 196 is located in the outer ring flamethrower 194.
  • the second surface 193 is opposite to the first surface 119, The second face 193 connects the outer ring flame igniter 196 and the inner ring flame damper 194.
  • the second surface 193 is provided with a flame damper 195, and the flame damper 195 is disposed on the bottom cup rib 125 to collectively form an inner ring primary air replenishing portion 197.
  • the inner ring primary air replenishing portion 197 is provided with an inner ring primary air replenishing passage 199 (see FIGS. 8 and 9).
  • the number of the flamethrower ribs 195 is four.
  • two of the flamethrower ribs 195 are referred to as a first flamethrower rib pair
  • the other two flamethrower ribs 195 are referred to as a second flamethrower rib pair.
  • the first flamer rib pairs together form a first flamer passage
  • the second flamer rib pair together form a second flamer passage.
  • the first flamer rib pair is disposed on the first bottom cup rib pair to form an inner ring primary air replenishing portion 197 (see Fig. 8).
  • the second flamer rib pair is disposed on the second bottom cup rib pair to form another inner ring primary air replenishing portion 197 (see Fig. 9).
  • the vertical venturi 198 is located in the inner ring flamethrower 196.
  • the inner fire cover 106 is disposed on the inner ring flame 196.
  • the inner fire cover 106, the inner ring flame 196 and the vertical venturi 198 enclose an inner mixed gas to the chamber 202.
  • the inner ring flame horn 196 includes a first end 204 and a second end 206 coupled to the first end 204.
  • the inner fire cover 106 is disposed on the first end 204.
  • the inner ring fire blaster 196 is provided with an inner ring fire hole 208 along the circumference of its first end 204.
  • the inner ring fire hole 208 communicates with the inner mixed gas to the chamber 202, and the air and the gas are mixed in the vertical venturi pipe 198, and the mixed mixed gas enters the inner mixed gas to reach the chamber 202, and the mixed gas passes through the inner ring fire hole.
  • the 208 is sprayed outward to form an inner ring fire.
  • the second end 206 is provided with an internal gas reaching chamber 207.
  • the vertical venturi 198 communicates the internal mixed gas to the chamber 202 and the internal gas reaches the chamber 207.
  • the inner ring primary air replenishing passage 199 communicates with the inner gas reaching chamber 207.
  • the second end 206 is provided with a flame thrower opening 209 such that the inner ring primary air replenishing passage 199 communicates with the inner gas reaching chamber 207, and the air is passed from the inner ring primary air replenishing passage 199 through the flamethrower opening 209 to the inner gas.
  • the 207 spray is premixed with the gas injected from the second nozzle, and then the air and the gas enter the vertical venturi 198 to be mixed again, and the resulting mixed gas is injected from the vertical venturi 198 into the chamber 202 to the chamber 202. .
  • the vertical venturi 198 includes an intake end 210 and an outlet end 212, the intake end 210 being located within the inner gas reaching chamber 207 and toward the second nozzle, the outlet end 212 being located in the first end 204 of the inner ring flame 196.
  • the inner end 106 and the first end 204 of the inner ring flame 196 together with the outlet end 212 enclose an internal mixed gas to the chamber 202.
  • Outer ring fire blaster 194 is disposed on the periphery of inner ring flame 196.
  • the outer fire cover 108 is disposed on the outer ring flame 194.
  • the outer fire cover 108 and the outer ring flame 194 together enclose an external mixed gas to the chamber 214.
  • the outer mixed gas reaches the chamber 214 and the time
  • the air/gas mixing distribution chamber 180 is in communication.
  • the outer ring fire blaster 194 is provided with two outer ring openings 216 spaced apart, and correspondingly, the bottom cup cover 114 is provided with two spaced apart openings.
  • the bottom lid opening 218, the outer ring opening 216 is in cooperative communication with the bottom lid opening 218, thereby allowing the primary air/gas mixing distribution chamber 180 to communicate with the outer mixed gas to the chamber 214.
  • the outer ring flame horn 194 includes an outer ring portion 220 and a middle ring portion 222 spaced apart from each other.
  • the middle ring portion 222 is located between the inner ring flame 196 and the outer ring portion 220.
  • the outer ring opening 216 is opened between the outer ring portion 220 and the middle ring portion 222.
  • the outer ring portion 220 is provided with an outer ring fire hole 224 communicating with the outer mixed gas reaching the chamber 214 along the circumference thereof.
  • the middle ring portion 222 can open a middle ring fire along the circumference thereof to communicate with the outer mixed gas reaching the chamber 214. Hole (not shown).
  • the mixed gas in the primary air/gas mixing and distribution chamber 180 passes through the bottom lid opening 218 and the outer ring opening 216 into the outer mixed gas to reach the chamber 214, and then is sprayed outward from the outer ring fire hole 224 and the middle ring fire hole respectively.
  • Ring fire and Central fire. Therefore, the flamethrower 104 of the present embodiment can provide a three-ring fire, and realizes the multi-ring high-efficiency burner 100 of the outer ring fire, the middle ring fire, and the inner ring fire. It can be understood that if the burner 100 only needs two rings of fire, it can be flexibly set, for example, no fire hole is provided on the central ring portion 222.
  • the outer ring flamethrower 194 is further provided with a fire guiding groove 226, and the fire guiding groove 226 penetrates the outer ring portion 220 and the middle ring portion 222.
  • the sump 226 and the two outer ring openings 216 are sequentially distributed along the circumference of the outer ring fire blaster 194.
  • the sump 226 is used to direct the flame from the inner ring flame 196 to the outer ring flame 194.
  • the connecting rib 200 connects the inner ring flame igniter 196 and the outer ring flame 194.
  • the number of the connecting ribs 200 is three, and the three connecting ribs 200 are connected to the inner ring flame igniter 196 and the outer ring flame blaster 194 at intervals.
  • the ignition pin and the thermocouple can be respectively disposed on the adjacent two connecting ribs 200. There is space between the end of the ignition pin and one end of the thermocouple close to the inner ring fire hole 208 to effect ignition.
  • the connecting rib 200 realizes the integrally formed structure of the flamethrower 104, thereby improving the assembly and production efficiency of the flamethrower 104.
  • the bottom cup cover 114 includes a first locating member 230 disposed on the first face 119.
  • the end surface of the second end 206 of the inner ring flame blaster 196 is provided with a second positioning member 232.
  • the first positioning member 230 and the second positioning member 232 cooperate to position the flamethrower 104 on the bottom lid 114. .
  • the first positioning member 230 is a four-step structure disposed on the first surface 119, and the four step structures are connected to the outer circumference of the rib 158 at intervals.
  • Each step structure includes a first top surface 234 and a second top surface 236, the first top surface 234 being closer to the second nozzle than the second top surface 236.
  • the second positioning member 232 is four positioning grooves formed on the end surface of the second end 206.
  • the distribution manner of the four positioning grooves corresponds to the distribution pattern of the four step structures.
  • the flamethrower 104 is placed on the bottom lid 114, and then the flamethrower 104 or the bottom cup assembly 102 is rotated, or the flamethrower 104 and the bottom cup assembly 102 are simultaneously rotated to engage the step structure into the corresponding positioning groove.
  • the bottom surface of the positioning groove is aligned with the second top surface 236 of the step structure to position the relative position of the flamethrower 104 and the bottom lid 114, limiting the rotational orientation of the flamethrower 104.
  • the bottom cup cover 114 is provided with a first bottom cup cover mating surface 238 at the periphery of the bottom lid opening 218, A second bottom cover engagement surface 240 is disposed at both ends of the bottom cup replenishing portion 122.
  • the flamethrower 104 is provided with a first outer ring engaging surface 242 at the periphery of the outer ring opening 216, and a second outer ring engaging surface 244 is disposed on the outer ring fire blaster 194 facing the bottom cup cover 114.
  • the first bottom cup cover mating surface 238 cooperates with the first outer ring mating surface 242
  • the second bottom cup cover mating surface 240 cooperates with the second outer ring mating surface 244
  • the positioning structure of the step structure/positioning recess together enables full positioning of the flamethrower 104 and the bottom cup assembly 102.
  • an outer ring primary air replenishing passage 246 (see FIGS. 7 and 9) is formed between the bottom cup replenishing portion 122 and the outer ring flamethrower 194, and the outer ring primary air replenishing passage 246 and the bottom cup are supplemented by air once. Room 154 is in communication.
  • a gap 252 is formed between the outer ring flame blaster 194 and the bottom cup cover 114, and the flamethrower 104 is located An opening 254 between the outer ring flamethrower 194 and the inner ring flamethrower 196.
  • the gap 252 and the opening 254 together form a secondary air replenishing passage 256.
  • the opening 254 is a space between two adjacent connecting ribs 200.
  • a portion of the secondary air may enter the flame root of the central ring fire hole and the inner ring fire hole 208 via the secondary air replenishing passage 256, and the other portion of the secondary air is directly supplied from the outside to the flame root of the middle ring fire hole and the inner ring fire hole 208.
  • the secondary air replenishing passage of the outer ring fire is directly supplied from the outside to the flame root of the outer ring fire hole 224.
  • the gas enters the first intake passage 134 through the intake port 140 of the first intake passage 134, and a portion of the combustion gas is ejected through the first nozzle to the primary cup primary air supply chamber 172.
  • Another portion of the gas is split from the connecting passage 138 to the second intake passage 136 to the second nozzle, and the other portion of the gas injected from the second nozzle to the internal gas reaches the chamber 207, and the other portion of the gas and the primary air replenishing passage 199 via the inner ring
  • the incoming primary air is again mixed into the vertical venturi tube 198, and the mixed inner ring mixed gas reaches the inner mixed gas to reach the chamber 202, enters the inner ring flame igniter 196, and finally is ejected through the inner ring fire hole 208.
  • Inner ring flame is
  • the burner 100 is shown with only one air supply, that is, as shown in FIG. 3, only the intake port 140 of the first intake passage 134 is connected to the air source, and the intake of the second intake passage 136.
  • the port (second process hole 150) is sealed with a second plug while the first process hole 146 is sealed with a first plug.
  • the gas supplied from the gas source enters the intake port 140 of the first intake passage 134, a portion of which enters the first nozzle to supply air to the outer ring and/or the middle ring, and the other portion enters the second portion along the connecting passage 138.
  • the intake passage 136 is then in communication with the second nozzle via the second intake passage 136 to supply air to the inner ring.
  • the purpose of simultaneously supplying the multi-ring fire burner 100 with one gas source can be achieved.
  • the gas for the inner ring flame igniter 196 can be mixed with the air entering the cavity 207 and the primary air replenishing passage 199 of the inner ring to realize the inner ring fire gas and the primary air.
  • the premixing and full combustion can increase the gas combustion efficiency of the inner ring flame 196.
  • a gas appliance 300 includes the burner 100, the pot holder 302, the cooker panel 304, and the knob 306 of the above embodiment.
  • the gas appliance 300 is a gas stove.
  • the pot holder 302 is disposed on the cooktop panel 304.
  • the cooker panel 304 is provided with a through hole 308 and a second mounting hole 310, and the burner 100 is provided with a through hole 308.
  • the first mounting hole of the burner 100 is aligned with the second mounting hole 310, and the burner 100 can be fixed in the through hole 308 by a fixing member such as a screw passing through the second mounting hole 310 and the first mounting hole.
  • the first intake passage 134 is connected to the intake pipe 312 of the gas appliance.
  • a knob 306 is provided on the cooktop panel 304 for controlling ignition, shutoff, and gas flow of the combustor 100.
  • the gas for the inner ring flame igniter can be mixed with the air entering the chamber and the air entering the primary air replenishing passage, thereby realizing the inner ring fire gas and the once The premixing of air and full combustion can improve the gas combustion efficiency of the inner ring flamethrower.
  • the gas appliance may be a large oven comprising the burner 100 of the above embodiment.

Abstract

L'invention concerne un brûleur (100) et un instrument à gaz combustible (300). Le brûleur (100) comprend un ensemble de coupelle inférieure (102) et un flammeur (104) agencé sur l'ensemble de coupelle inférieure (102); l'ensemble de coupelle inférieure (102) comprend une évacuation d'air (142) et un premier canal d'admission d'air (134) équipé d'une première buse; le brûleur (100) comprend une partie de remplissage d'air primaire d'anneau interne (197); la partie de remplissage d'air primaire d'anneau interne (197) est agencée entre le flammeur (104) et l'ensemble de coupelle inférieure (102); la partie de remplissage d'air primaire d'anneau interne (197) est dotée d'un canal de remplissage d'air primaire d'anneau interne (199); le flammeur (104) comprend un flammeur d'anneau externe (194) et un flammeur d'anneau interne (196); le flammeur d'anneau externe (194) entoure le flammeur d'anneau interne (196); le flammeur d'anneau interne (196) est doté d'une cavité d'arrivée de gaz combustible interne (207) en face d'une seconde buse; le canal de remplissage d'air primaire d'anneau interne (199) est en communication avec la cavité d'arrivée de gaz combustible interne (207).
PCT/CN2015/082058 2015-03-12 2015-06-23 Brûleur et instrument à gaz combustible WO2016141644A1 (fr)

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EP3299716A1 (fr) * 2016-09-26 2018-03-28 Grand Mate Co., Ltd. Brûleur pour appareil à gaz
CN107860000A (zh) * 2017-12-20 2018-03-30 刘卫玉 灶具炉头
CN108006620A (zh) * 2017-06-24 2018-05-08 宁波方太厨具有限公司 一种用于燃气灶的燃烧器
CN108343965A (zh) * 2017-01-24 2018-07-31 青岛海尔洗碗机有限公司 一种防干烧燃烧器及燃气灶
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CN108916871A (zh) * 2018-09-13 2018-11-30 刘卫玉 上进风灶具燃烧器
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CN110207107A (zh) * 2018-08-09 2019-09-06 华帝股份有限公司 三环分火器及其三环燃烧器
CN110410784A (zh) * 2019-08-28 2019-11-05 杭州老板电器股份有限公司 炉头、燃烧器和燃气灶
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CN108343965B (zh) * 2017-01-24 2023-09-01 青岛海尔洗碗机有限公司 一种防干烧燃烧器及燃气灶
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CN108006620A (zh) * 2017-06-24 2018-05-08 宁波方太厨具有限公司 一种用于燃气灶的燃烧器
CN108006620B (zh) * 2017-06-24 2024-01-16 宁波方太厨具有限公司 一种用于燃气灶的燃烧器
CN107687638A (zh) * 2017-08-30 2018-02-13 宁波风腾燃具有限公司 一种大功率上进风燃烧器
CN107860000A (zh) * 2017-12-20 2018-03-30 刘卫玉 灶具炉头
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CN110207107A (zh) * 2018-08-09 2019-09-06 华帝股份有限公司 三环分火器及其三环燃烧器
CN108916871B (zh) * 2018-09-13 2023-12-08 刘卫玉 上进风灶具燃烧器
CN108916871A (zh) * 2018-09-13 2018-11-30 刘卫玉 上进风灶具燃烧器
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