WO2023142255A1 - 一种燃气灶的燃气装置和燃气灶 - Google Patents
一种燃气灶的燃气装置和燃气灶 Download PDFInfo
- Publication number
- WO2023142255A1 WO2023142255A1 PCT/CN2022/083295 CN2022083295W WO2023142255A1 WO 2023142255 A1 WO2023142255 A1 WO 2023142255A1 CN 2022083295 W CN2022083295 W CN 2022083295W WO 2023142255 A1 WO2023142255 A1 WO 2023142255A1
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- WO
- WIPO (PCT)
- Prior art keywords
- gas
- channel
- inner ring
- fire cover
- disturbance
- Prior art date
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- 238000004891 communication Methods 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 30
- 230000007704 transition Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 25
- 239000007789 gas Substances 0.000 description 288
- 238000010586 diagram Methods 0.000 description 12
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
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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
- F23D14/02—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
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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
- F23D14/70—Baffles or like flow-disturbing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
- F24C3/085—Arrangement or mounting of burners on ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/00003—Fuel or fuel-air mixtures flow distribution devices upstream of the outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings
Definitions
- the present disclosure relates to the technical field of electrical appliances, in particular to a burner and a gas stove.
- the burner is divided into upper air inlet burner and lower air inlet burner.
- the ejection ability of the upper air inlet burner is worse than that of the traditional lower air inlet structure.
- the disclosure provides a burner and a gas stove, aiming at at least to a certain extent solving the problem of excessive air intake in the inner ring fire cover, too little air intake in the outer ring fire cover, insufficient combustion, and CO emission in the prior art. There will also be added technical issues.
- One aspect of the present disclosure provides a burner comprising:
- the gas distribution part is equipped with an air channel, a gas channel and a gas uniform part;
- the outer ring fire cover and the inner ring fire cover are both arranged on the gas distributor, the gas mixing chamber of the inner ring fire cover communicates with the gas outlet end of the gas channel, and the gas mixing chamber of the outer ring fire cover It communicates with the gas mixing cavity of the inner ring fire cover through the gas channel, and the gas uniform part communicates with the gas channel and the gas channel to balance the gas mixing cavity of the outer ring fire cover or the inner gas channel.
- the gas volume of the gas mixing chamber of the ring fire cover is arranged on the gas distributor, the gas mixing chamber of the inner ring fire cover communicates with the gas outlet end of the gas channel, and the gas mixing chamber of the outer ring fire cover It communicates with the gas mixing cavity of the inner ring fire cover through the gas channel, and the gas uniform part communicates with the gas channel and the gas channel to balance the gas mixing cavity of the outer ring fire cover or the inner gas channel.
- the burner provided by the present disclosure delivers gas to the gas mixing chamber of the inner ring fire cover through the gas channel, and through the delivery of the gas channel, the gas is delivered to the gas mixing chamber of the outer ring fire cover, Since the gas distribution part is provided with a uniform gas part connecting the gas channel and the gas channel, it can balance the intake air volume of the inner ring fire cover and the outer ring fire cover, so as to improve the phenomenon of insufficient combustion and reduce CO emissions, which has great advantages Good practicality.
- the gas distributor is also provided with a diversion groove, one end of the air channel communicates with the gas outlet end of the gas channel, and the diversion groove communicates with the gas channel and Between the air passages, the gas mixing chamber of the inner ring fire cover communicates with the gas outlet end of the gas channel, and the gas mixing chamber of the outer ring fire cover communicates with the other end of the air passage.
- the gas uniform part includes a flow guide groove disposed in the air passage, and the flow guide groove is communicated between the gas passage and the air passage.
- the diversion groove can increase the volume of the air channel, reduce the outlet pressure of the air channel, and increase the ejection force to a certain extent, so as to help the gas flow to the gas mixing chamber of the outer ring fire cover, thereby reducing the inner ring fire.
- the load of the cover is used to balance the gas intake of the inner ring fire cover and the outer ring fire cover, so that the combustion is closer and more complete, so as to reduce CO emissions, which has good practicability.
- the gas distributor includes: an inner ring air intake portion, the inner ring air intake portion is provided with the gas channel in the axial direction, and the outer peripheral surface of the inner ring air intake portion A plurality of said diversion grooves are arranged at intervals.
- the ratio of the inner diameter of the annular region where the plurality of guide grooves are located to the diameter of the gas channel is greater than or equal to 1.5:1.
- the inner ring air inlet includes:
- the first cylinder is axially provided with the gas channel passing through;
- the second cylinder is connected to the outer peripheral surface of the first cylinder, the height of the top of the second cylinder is lower than the height of the top of the first cylinder, and the diversion groove is formed from the first cylinder.
- the top is opened to the middle of the outer peripheral surface of the second cylinder.
- the top of the first cylinder is provided with a guide cut surface corresponding to the diversion groove, and the top of the guide cut surface extends from the top of the first cylinder. In the middle part, the bottom of the guide cut surface is extended to the top of the corresponding guide groove.
- the inner ring air intake part further includes: a transition cylinder connected between the outer peripheral surface of the first cylinder and the top of the second cylinder, the transition The height of the top of the cylinder gradually decreases from the inside to the outside.
- the air mixing chamber gap of the inner ring fire cover is set above the top of the inner ring air intake part, and the inner ring fire cover and the outer ring fire cover pass through A plurality of cavities are connected, each of the cavities is provided with the air passage, the diversion groove is provided correspondingly to the cavity, and the diversion groove is arranged in the air passage of the corresponding cavity.
- the gas distributor is further provided with an air intake channel and a disturbance channel, and the air intake end of the air channel communicates with the gas outlet end of the gas channel through the air intake channel, so The first end of the disturbance channel communicates with the middle part of the gas channel, the second end of the disturbance channel communicates with the gas channel, and the gas outlet direction of the disturbance channel and the gas outlet direction of the intake channel have a disturbance clamp Angle; the disturbance channel is configured as the gas uniform part.
- the gas entering the gas channel can partially flow into the disturbance channel before being discharged from the gas outlet end of the gas channel, thereby reducing the gas flow rate of the gas mixing chamber inwardly surrounding the fire cover,
- the gas discharged from the second end of the gas channel and the gas discharged from the intake channel will When they meet in the cavity, a swirl zone is formed to increase disturbance, which helps the mixing of gas and primary air, makes combustion more complete, and reduces CO emissions, which has good practicability.
- the gas distributor includes an inner ring air intake portion, and the inner ring air intake portion is axially provided with the gas channel passing therethrough.
- the first end of the disturbance channel communicates with the middle of the gas channel, and the second end of the disturbance channel penetrates through the peripheral surface of the inner ring air intake part.
- the height of the second end of the disturbance channel is higher than the height of the first end of the disturbance channel.
- the air intake passage is provided with a first end communicating with the gas outlet end of the gas passage and a second end communicating with the air passage, the first end of the air intake passage The height of the end is higher than the height of the second end of the intake passage, and the height of the second end of the intake passage is higher than the height of the second end of the disturbance passage.
- the air mixing chamber gap of the inner ring fire cover is set above the inner ring air intake part, and the air mixing chamber of the inner ring fire cover and the inner ring air intake The gap between the sections limits the intake passage.
- the gas distribution part further includes a shroud, and the shroud is arranged on the peripheral surface of the air inlet part of the inner ring; the outer wall of the inner ring fire cover extends to the surrounding On the board, the inner ring fire cover, the inner ring air inlet and the surrounding plate enclose a disturbance cavity with an open top, so that the second ends of each of the disturbance channels are connected to the disturbance cavity body connected.
- the inner ring fire cover and the outer ring fire cover are connected through a plurality of cavities, and the air channel is provided in the cavity, and the air channel passes through the The disturbance cavity communicates with the plurality of disturbance channels.
- the gas distributor further includes: a plurality of support plates arranged at intervals outside the peripheral surface of the inner ring air intake part, the bottom of each cavity is open, and each The bottoms of each of the cavities are sealed by the corresponding support plates, and the cavities and the corresponding support plates form the air passages with open ends.
- Another aspect of the present disclosure further provides a gas stove, including the above-mentioned burner.
- the gas stove provided by the disclosure can balance the air intake of the inner ring fire cover and the outer ring fire cover, improve the phenomenon of insufficient combustion, and reduce CO emission, and has good practicability.
- FIG. 1 is a schematic structural view of a burner according to an embodiment of the present disclosure
- Fig. 2 is the explosion diagram of Fig. 1;
- FIG. 3 is a schematic top view of FIG. 1;
- Fig. 4 is the A-A sectional schematic diagram of Fig. 3;
- Fig. 5 is a schematic structural view of the gas distributor in Fig. 1;
- Fig. 6 is a structural schematic diagram of another angle of Fig. 5;
- Fig. 7 is the structural representation of outer ring fire cover and inner ring fire cover in Fig. 1;
- Fig. 8 is a schematic structural view of a burner according to another embodiment of the present disclosure.
- Fig. 9 is a schematic diagram of the explosion of Fig. 8.
- Fig. 10 is a schematic top view of Fig. 8.
- Fig. 11 is a schematic cross-sectional view of A-A of Fig. 10;
- Fig. 12 is a schematic structural view of the gas distributor in Fig. 8;
- Figure 13 is a schematic diagram of the assembly of the inner ring fire cover and the outer ring fire cover in Figure 8;
- FIG. 14 is a structural schematic diagram from another viewing angle of FIG. 13 .
- the disclosure provides a burner and a gas stove, aiming at at least to a certain extent solving the problem of excessive air intake in the inner ring fire cover, too little air intake in the outer ring fire cover, insufficient combustion, and CO emission in the prior art. There will also be added technical issues.
- the gas distribution part 100 of the burner 1000 is provided with an air channel 103, a gas channel 102 and gas uniform parts 101, 119, an outer ring fire cover 300 and an inner ring
- the fire cover 200 is all arranged on the gas distributor 100, the gas mixing chamber of the inner ring fire cover 200 is connected with the gas outlet end of the gas passage 102, the gas mixing chamber of the outer ring fire cover 300 and the gas mixing chamber of the inner ring fire cover 200 pass through
- the gas channel 103 is connected, and the gas uniform part 101, 119 is connected to the gas channel 102 and the gas channel 103, and the gas is delivered to the gas mixing chamber of the inner ring fire cover 200 through the gas channel 102, and the gas is delivered to the outer ring through the gas channel 103.
- the air mixing chamber of the ring fire cover 300 because the gas distributor 100 is provided with the uniform gas parts 101, 119 communicating with the gas channel 102 and the gas channel 103, so that the air intake of the inner ring fire cover 200 and the outer ring fire cover 300 can be balanced , can improve the phenomenon of insufficient combustion, and reduce CO emissions, and has good practicability.
- An embodiment of the present disclosure provides a burner, aiming at at least to a certain extent to solve the problems in the prior art that the air intake of the inner ring fire cover 200 is too much, the air intake of the outer ring fire cover 300 is too small, and the combustion is insufficient , CO emissions will also increase the technical issues.
- Fig. 1 is a schematic structural view of a burner according to an embodiment of the present disclosure
- Fig. 2 is a schematic diagram of the explosion of Fig. 1
- Fig. 3 is a schematic top view of Fig. 1
- Fig. 4 is a schematic cross-sectional view of A-A of Fig. 3, combined with Fig. 1-Fig. 4.
- the burner includes a gas distributor 100 , an inner ring fire cover 200 and an outer ring fire cover 300 .
- the gas distributor 100 is provided with a diversion groove 101, a gas channel 102 and an air channel 103, one end of the gas channel 103 communicates with the gas outlet end of the gas channel 102, and the diversion channel 101 communicates with the gas channel 102 and the gas channel 102.
- the inner ring fire cover 200 and the outer ring fire cover 300 are all arranged on the gas distributor 100, and the gas mixing cavity of the inner ring fire cover 200 is connected with the gas outlet end of the gas passage 102, and the outer ring fire cover
- the air mixing chamber of 300 communicates with the other end of the air channel 103 .
- One embodiment of the present disclosure provides a burner, since the gas distributor 100 of the burner includes a gas passage 102 and a gas passage 103, the gas mixing cavity of the inner ring fire cover 200 communicates with the gas outlet of the gas passage 102 , the gas mixing chamber of the inner ring fire cover 200 communicates with the gas outlet of the gas passage 102, one end of the gas passage 103 communicates with the gas outlet of the gas passage 102, and the gas mixing chamber of the outer ring fire cover 300 communicates with the other end of the gas passage 103, Therefore, fuel gas can be transported through the gas channel 102, and part of the transported gas is first delivered to the gas mixing chamber of the inner ring fire cover 200 for combustion of the inner ring fire cover 200, and the other part is delivered to the outer ring fire cover 300 through the gas channel 103.
- the air mixing chamber is used for the combustion of the outer ring fire cover 300; since the diversion groove 101 of the gas distributor 100 is connected between the gas passage 102 and the air passage 103, the volume of the air passage 103 can be increased and the air passage can be reduced. 103 gas outlet pressure, can increase the injection force to a certain extent, to help the gas flow to the gas mixing chamber of the outer ring fire cover 300, thereby reducing the load of the inner ring fire cover 200, to balance the inner ring fire cover 200 and The gas intake volume of the outer ring fire cover 300 makes the combustion closer and more sufficient to reduce CO emissions, which has good practicability.
- Fig. 5 is a schematic structural diagram of the gas distribution element in Fig. 1 . 3, FIG. 4 and FIG. 5, the gas distributor 100 includes an inner ring air intake portion 104, and the inner ring air intake portion 104 is provided with a gas passage 102 along the axial direction, and one end of the gas passage 102 is an air intake end. The end is connected with the injection pipe of the burner head, and the gas mixed with primary air can be delivered to the gas channel 102 through the injection tube of the burner head, and discharged from the other end of the gas channel 102.
- a plurality of above-mentioned guide grooves 101 are arranged at intervals on the outer peripheral surface of the inner ring air intake portion 104 .
- the gas intake of the outer ring fire cover 300 makes combustion closer and more fully.
- the ratio of the inner diameter of the annular area where each diversion groove 101 is located to the diameter of the gas channel 102 is greater than or equal to 1.5:1.
- the size of the diversion groove 101 is related to the gas flow of the gas channel 102. The larger the gas flow, the more channels required. The larger the flow guide groove 101 is, the larger the flow guide groove 101 is, so as to ensure that enough mixed gas flows through the flow guide groove 101. Therefore, the present application compares the inner diameter of the annular area where each flow guide groove 101 is located with the gas channel 102 The ratio of the diameters is greater than or equal to 1.5:1 to ensure the amount of gas flowing through the diversion groove 101, to facilitate uniform mixing, and to ensure a better ejection effect.
- the inner ring air intake part 104 includes a first cylinder body 105 and a second cylinder body 106, the first cylinder body 105 is provided with a through gas channel 102 along the axial direction, and the second cylinder body 106 Connected to the outer peripheral surface of the first cylinder 105, wherein the top height of the second cylinder 106 is lower than the top height of the first cylinder 105, and the diversion groove 101 is opened from the top of the first cylinder 105 to the second cylinder The middle part of the peripheral surface of 106.
- the guide groove 101 includes a first side wall 107 , two second side walls 108 and a bottom wall 109 , wherein the two second side walls 108 are along the inner ring air intake portion 104
- the axial direction is relatively open from the top of the inner ring air intake portion 104 to the middle of the outer peripheral surface of the inner ring air intake portion 104
- the first side wall 107 is the bottom of the two second side walls 108
- the bottom wall 109 is the inner
- the position between the two second side walls 108 on the peripheral surface of the ring inlet portion 104, that is, the guide groove 101 is the top surrounded by the first side wall 107, the two second side walls 108 and the bottom wall 109 and The shape of the external opening.
- the top of the first cylinder 105 is provided with a guide cut surface 110 corresponding to the diversion groove 101, and the top of the guide cut surface 110 is extended to the middle of the top of the first cylinder 105, guiding The bottom of the cutting surface 110 is extended to the top of the corresponding diversion groove 101.
- the setting of the guiding cutting surface 110 can reduce the resistance of the gas to the gas mixing chamber of the outer ring fire cover 300, and is more conducive to the injection of the gas.
- the guiding cut surface 110 can be provided correspondingly to the diversion groove 101, and the guiding cut surface 110 is arranged on the upper part of the corresponding diversion groove 101, so that the gas can enter the diversion groove 101 through the guiding cut surface 110, so as to Further reducing the resistance of the gas to the gas mixing chamber of the outer ring fire cover 300 is more conducive to the ejection of the gas.
- the inner ring air intake portion 104 may also include a transition cylinder 111, which is connected between the outer peripheral surface of the first cylinder 105 and the top of the second cylinder 106, and the transition The height of the top of the cylinder 111 gradually decreases from the inside to the outside, and the tops of the plurality of diversion grooves 101 are arranged on the transition cylinder 111 at intervals.
- the gas mixing chamber gap of the inner ring fire cover 200 in the embodiment of the present application is set above the top of the inner ring air intake part 104 , and the gas flowing out from the gas outlet end of the gas channel 102 of the inner ring air intake part 104 , Part of the injection can be injected into the gas mixing chamber of the inner ring fire cover 200 , and the other part can flow out through the gap between the gas mixing chamber of the inner ring fire cover 200 and the top of the inner ring air intake part 104 .
- the gas distributor 100 also includes a shroud 112, the shroud 112 is connected to the outside of the peripheral surface of the inner ring air inlet 104, and the inner ring fire cover 200 can pass through a plurality of first intervals.
- a connecting column 600 is supported on the surrounding plate 112 to realize the assembly of the inner ring fire cover 200 on the gas distributor 100 .
- the coaming plate 112 can be integrally formed on the outer peripheral surface of the second cylinder 106 of the inner ring air intake portion 104, and the first connecting column 600 can be integrally formed on the bottom of the inner ring fire cover 200, and the bottom of the first connecting column 600 can be connected to In the first connection hole 113 opened by the enclosure plate 112 .
- Fig. 6 is a structural schematic diagram of another angle of Fig. 5, combined with Fig. 1, Fig. 2, Fig. 4, Fig. 5 and Fig. 6, the bottom of the first cylinder 105 of the inner ring air intake part 104 protrudes from the shroud 112,
- the top of the second cylinder 106 and the top of the first cylinder 105 can be integrally formed for connection with the injection tube of the furnace head, and the bottom of the second cylinder 106 and the bottom of the first cylinder 105 can be hollowed out Setting, the inner side of the peripheral surface of the second cylinder 106 and the outer side of the peripheral surface of the first cylinder 105 can be connected by a plurality of connecting ribs 114 arranged radially, and the bottom wall 109 of the diversion groove 101 can protrude from the second cylinder
- Fig. 7 is a schematic diagram of the structure of the outer ring fire cover and the inner ring fire cover in Fig. 1, in conjunction with Fig.
- the cavity 500 is connected, the cavity 500 is provided with the above-mentioned air channel 103 , the diversion groove 101 and the cavity 500 are provided correspondingly, and the diversion channel 101 is arranged in the air channel 103 of the corresponding cavity 500 .
- Another part of the gas flowing out from the gas outlet end of the gas channel 102 of the inner ring air intake part 104 can be introduced into the gas mixing chamber of the outer ring fire cover 300 through the gas channels 103 of the plurality of cavities 500, because the flow guide groove 101 Installed in the air passage 103 of the corresponding cavity 500, the volume of the air passage 103 can be increased, the outlet pressure of the air passage 103 can be reduced, and the ejection force can be increased to a certain extent, so as to help the gas flow to the outer ring fire cover 300 gas mixing chamber, thereby reducing the load of the inner ring fire cover 200, to balance the gas intake of the inner ring fire cover 200 and the outer ring fire cover 300, so that the combustion is closer and more complete, so as to reduce CO emissions.
- the gas distributor 100 also includes a plurality of support plates 115, the plurality of support plates 115 are arranged at intervals on the peripheral surface of the surrounding plate 112, and the bottom of each cavity 500 is The opening is set, and the bottom of each cavity 500 is sealed by a corresponding support plate 115 , and the cavity 500 and the corresponding support plate 115 form an air channel 103 with both ends open.
- the support plate 115 needs to have a certain thickness, and the bottom of each cavity 500 is clamped on both sides of the corresponding support plate 115 in the width direction, so as to improve the sealing performance of the connection between the bottom of the cavity 500 and the corresponding support plate 115 .
- ear plates 116 are provided on both sides of the width direction of the outer end of each support plate 115, and the bottom of the gas mixing chamber of the outer ring fire cover 300 can pass through the second connecting column 400 is fixed on the ear plate 116 (shown in FIG. 14 ), so as to realize the assembly of the outer ring fire cap 300 on the gas distributor 100 .
- the top of the second connecting post 400 can be integrally connected to the bottom of the air mixing chamber of the outer ring fire cover 300 , and the second connecting post 400 can be connected to the second connecting hole 117 provided on the ear plate 116 .
- Each ear plate 116 , each support plate 115 , surrounding plate 112 and inner ring air intake portion 104 constituting the air distributor 100 can be integrally formed so that the air distributor 100 has sufficient strength and improves the reliability of use.
- the outer wall of the inner ring fire cover 200 is provided with a plurality of first air vents 202 at intervals, and the secondary air can enter the air mixing chamber of the inner ring fire cover through the plurality of first air vents 202 for the internal
- the ring fire cover 200 is used for combustion;
- the inner wall of the outer ring fire cover 300 is provided with a plurality of second air vents 301 at intervals, and the secondary air can enter the air mixing chamber of the outer ring fire cover 300 through a plurality of second air vents 301 , for the combustion of the outer ring fire cover 300, to further improve the combustion efficiency of the burner.
- the outer wall of the outer ring fire cover 300 and the outer wall of the inner ring fire cover 200 are both provided with a plurality of fire holes at intervals for forming flames.
- the inner ring fire cover 200 also includes an inner ring cover plate 201 , which is detachably arranged on the top of the inner ring fire cover 200 and located at the bottom of the gas channel 101 above, to block the gas discharged from the gas outlet end of the gas channel 101, so that the gas flows to the fire hole and the gas channel 103 of the inner and outer fire cover 200
- the outer ring fire cover 300 also includes an outer ring cover plate 302, the outer ring cover plate 302 It is detachably arranged on the top of the outer ring fire cover 300, so that the gas can flow to the fire hole of the outer ring fire cover 300, so as to facilitate the use of the burner.
- a plurality of first vents 202 can be arranged on the top of the inner wall of the inner ring fire cover 200, that is, the top of the first vent 202 is open, and the inner ring cover plate 201 is covered inside
- the top opening of the first air vent 202 can be sealed, so that the first air vent 202 forms an air intake passage along the radial direction of the inner ring fire cover 200
- the second air vent 301 can Set on the top of the inner side wall of the outer ring fire cover 300, that is, the top opening of the second air vent 301, when the outer ring cover plate 302 covers the top of the outer ring fire cover 300, it can seal the top opening of the second air vent 301
- the second air vent 301 forms an air intake passage penetrating in the radial direction of the outer ring fire cover 300 .
- the inner ring fire cover 200 and the outer ring fire cover 300 are connected by a plurality of cavities 500, and the three can be integrally formed to improve the reliability of use.
- Fig. 8 is a schematic structural view of a burner according to another embodiment of the present disclosure
- Fig. 9 is a schematic exploded view of Fig. 8
- Fig. 10 is a schematic top view of Fig. 8
- Fig. 11 is a schematic cross-sectional view along A-A of Fig. 10 .
- the burner includes a gas distributor 100 , an inner ring fire cover 200 and an outer ring fire cover 300 .
- the gas distributor 100 is provided with a gas channel 102, an air intake channel 118, a disturbance channel 119 and an air channel 103, wherein one end of the air channel 103 communicates with the gas outlet end of the gas channel 102 through the air intake channel 118 , the disturbance channel 119 has a first end and a second end in communication, the first end of the disturbance channel 119 communicates with the middle of the gas channel 102, the second end of the disturbance channel 119 communicates with the gas channel 103, and the gas outlet direction of the disturbance channel 119 is connected to the gas inlet
- the gas outlet direction of the gas channel 118 has a disturbance angle
- the inner ring fire cover 200 and the outer ring fire cover 300 are all arranged on the gas distribution part 100
- the gas mixing chamber of the inner ring fire cover 200 communicates with the gas outlet end of the gas channel 102
- the outer ring fire cover 200 communicates with the gas outlet of the gas channel 102.
- the gas mixing chamber of the ring fire cover 300 communicates with the other end of
- the present disclosure provides a burner, since the gas distributor 100 of the burner includes a gas channel 102, an air intake channel 118 and an air channel 103, the gas mixing chamber of the inner ring fire cover 200 It is communicated with the gas outlet end of the gas channel 102, and one end of the gas channel 103 is communicated with the gas outlet end of the gas channel 102 through the air inlet channel 118, and the gas mixing cavity of the outer ring fire cover 300 is communicated with the other end of the gas channel 103, therefore, it can be
- the gas mixed with primary air is delivered through the gas channel 102, and part of the transported gas is first delivered to the gas mixing chamber of the inner ring fire cover 200 for combustion of the inner ring fire cover 200, and the other part is delivered through the air intake channel 118 and the air channel 103 To the gas mixing chamber of the outer ring fire cover 300, it is used for the combustion of the outer ring fire cover 300.
- the gas distributor 100 is also provided with a disturbance channel 119, the first end of the disturbance channel 119 communicates with the middle of the gas channel 102, the second end of the disturbance channel 119 communicates with the gas channel 103, and the disturbance channel 119 There is a disturbance angle between the gas outlet direction and the gas outlet direction of the intake channel 118. Therefore, the gas entering the gas channel 102 can partially flow into the disturbance channel 119 before being discharged from the gas outlet end of the gas channel 102, thereby reducing the inward loop.
- the exhausted gas and the exhausted gas from the intake passage 118 will form a swirl zone when they meet in the intake chamber to increase disturbance, help the mixing of the gas and the primary air, make the combustion more complete, and reduce CO emissions.
- FIG. 12 is a schematic structural view of the gas distribution part in FIG. 8 .
- the gas distributor 100 includes an inner ring air intake part 104, which can be cylindrical as a whole. When in use, it is arranged vertically. The bottom end of the gas channel 102 is the air intake end. The gas is discharged from the top of the gas channel 102 (i.e. the gas outlet), which forms a single-nozzle upward air-intake burner.
- the gas distribution part 100 also includes a shroud 112, the shroud 112 is arranged on the peripheral surface of the inner ring air inlet 104, the shroud 112 is provided with a through hole for the inner ring air inlet 104 to pass through, and the inner ring
- the air inlet part 104 includes a first cylinder 1041 and a second cylinder 1042 arranged coaxially.
- the bottom end of the first cylinder 1041 can be integrally formed in the through hole of the enclosure 112, and the second cylinder 1042 can be integrally formed on the The bottom of the first cylinder 1041, that is, the first cylinder 1041 is formed above the enclosure 112, the second cylinder 1042 is formed below the enclosure 112, and the diameter of the second cylinder 1042 can be slightly smaller than the diameter of the first cylinder 1041 , the second cylinder 1042 is provided with a second through hole 1044 along the axial direction, and the first cylinder 1041 is provided with a first through hole 1043 along the axial direction, and the first through hole 1043 communicates with the second through hole 1044 to form the above-mentioned gas Channel 102.
- the second through hole 1044 can be columnar, the first through hole 1043 is truncated cone, the bottom inner diameter of the first through hole 1043 is consistent with the bottom inner diameter of the second through hole 1044, the top inner diameter of the first through hole 1043 is larger
- the inner diameter of the bottom of a through hole 1043 can improve the injection effect of the gas mixed with the primary air like this.
- the inner diameters of the second through hole 1044 and the first through hole 1043 can be set to be consistent, and the second through hole 1044 is connected with the injector tube of the burner head, and the injector tube of the burner head can pass through the burner head.
- the gas channel 102 of the second through hole 1044 and the first through hole 1043 transports the gas mixed with primary air and discharges it from the top of the first through hole 1043 .
- a plurality of disturbance passages 119 may be provided, and the plurality of disturbance passages 119 are arranged at intervals around the axial direction of the inner ring air intake portion 104 to improve the balance of gas discharged from the disturbance passages 119 and further improve combustion efficiency.
- the first end of the disturbance channel 119 communicates with the middle of the gas channel 102 , and the second end of the disturbance channel 119 runs through the circumference of the inner ring air intake portion 104 , that is, the disturbance channel 119 is inclined upward.
- the first end of the disturbance channel 119 can be arranged on the inner wall of the second through hole 1044 of the second cylinder 1042, that is, the first end of the disturbance channel 119 is located below the shroud 112, and the second end of the disturbance channel 119 is arranged at the second end.
- On the outer peripheral surface of a cylinder 1041 that is, the second end of the disturbance channel 119 is above the surrounding plate 112 , that is, the height of the second end of the disturbance channel 119 is higher than that of the first end of the disturbance channel 119 .
- the disturbance channels 119 can also be arranged above the surrounding plate 112, that is, the first end of the disturbance channel 119 is arranged on the inner wall of the first through hole 1043 of the first cylinder 1041, and the first end of the disturbance channel 119 The two ends are arranged on the outer peripheral surface of the first cylinder 1041, and can be reasonably arranged according to the specific situation of the disturbance channel 119, and are not limited here.
- the disturbance channel 119 in the embodiment of the present application can also form a cavity structure, that is, the disturbance channel 119 divides the inner ring air inlet 104 into an upper part and a lower part, and the gap between the two is the disturbance channel 119,
- the upper part and the lower part of the inner ring air intake part 104 may be connected by connecting posts arranged at intervals.
- the air mixing chamber gap of the inner ring fire cover 200 is set above the inner ring air intake part 104, and the gap between the air mixing chamber of the inner ring fire cover 200 and the inner ring air intake part 104 is limited It is the above-mentioned intake passage 118 .
- the intake passage 118 is provided with a first end communicating with the gas outlet end of the gas passage 102 and a second end communicating with the gas passage 103, and the height of the first end of the intake passage 118 is higher than that of the first end of the intake passage 118.
- the height of the two ends, the height of the second end of the air intake channel 118 is higher than the height of the second end of the disturbance channel 119, that is, the air intake channel 118 is inclined downward, and it cooperates with the upwardly inclined disturbance channel 119, so that from the gas channel 102
- the gas discharged from the second end and the gas discharged from the intake passage 118 will form a swirl zone when they meet in the intake cavity to increase disturbance, which is helpful for the mixing of gas and primary air, so that the combustion is more complete, so as to reduce CO emissions, with good practicality.
- the angle between the central axis of the inlet passage 118 and the centerline of the disturbance passage 119 is preferably 30°-60°, that is, the disturbance angle between the outlet direction of the disturbance passage 119 and the outlet direction of the inlet passage 118 is 30° -60, it can have a better disturbance effect.
- the angle between the two can also be adjusted according to actual conditions, which is not limited in this embodiment of the present application.
- FIG. 13 is a schematic diagram of the assembly of the inner ring fire cover and the outer ring fire cover in FIG. 8
- FIG. 14 is a structural schematic diagram from another perspective of FIG. 13 .
- the inner ring fire cover 200 can be connected above the surrounding plate 112 through a plurality of first connecting columns 600 , so as to realize the assembly of the inner ring fire cover 200 on the gas distributor 100 .
- the first connecting column 600 can be integrally formed at the bottom of the inner ring fire cover 200 , and the bottom of the first connecting column 600 can be connected in the first connecting hole 113 opened in the enclosure 112 .
- the outer wall of the inner ring fire cover 200 can extend to the shroud 112, so that the inner ring fire cover 200, the inner ring air intake 104 and the shroud 112 form a disturbance chamber with an open top , so that the second ends of each disturbance channel 119 communicate with the disturbance cavity, the gas mixed with primary air discharged from the second end of each disturbance channel 119 flows to the disturbance cavity, and at the same time, from the outlet end of the gas channel 102
- the discharged gas mixed with primary air flows to the disturbance chamber through the top opening of the disturbance chamber, where the two streams of gas meet to form a swirl area to increase the disturbance, which is conducive to the mixing of gas and primary air. It is very practical to make the combustion more complete to reduce CO emissions.
- each cavity 500 is provided with an air channel 103
- One end connected to the fire cover 200 is provided with vents, so that each air passage 103 is connected with the disturbance chamber, and the two gas streams are distributed to each air passage 103 through the vent after being disturbed and merged in the disturbance chamber, and then transported to the outer ring
- the gas mixing chamber of the fire cover 300 is used for the burning of the outer ring fire cover 300.
- the gas distributor 100 also includes a plurality of support plates 115, and the plurality of support plates 115 can be arranged at intervals outside the peripheral surface of the inner ring air intake portion 104 through the surrounding plate 112, and each cavity
- the bottom of each cavity 500 is open, and the bottom of each cavity 500 is sealed by the corresponding support plate 115.
- the cavity 500 and the corresponding support plate 115 form an air channel 103 with both ends open, and the air channel 103 faces the inner ring fire cover 200.
- the opening is the above-mentioned vent, and the opening of the gas channel 103 facing the outer ring fire cover 300 is the gas outlet.
- each gas channel 103 After the two streams of gas are disturbed and merged in the disturbance chamber, they are distributed to each gas channel 103 through the vents of each gas channel 103. Then through the air outlets of each air passage 103, it is delivered to the gas mixing chamber of the outer ring fire cover 300 for the combustion of the outer ring fire cover 300.
- the support plate 115 needs to have a certain thickness, and the bottom of each cavity 500 is clamped on both sides of the corresponding support plate 115 in the width direction, so as to improve the sealing performance of the connection between the bottom of the cavity 500 and the corresponding support plate 115 .
- ear plates 116 are provided on both sides of the width direction of the outer end of each support plate 115, and the bottom of the gas mixing chamber of the outer ring fire cover 300 can be fixed on the ear plate 116 to realize the assembly of the outer ring fire cap 300 on the gas distributor 100 .
- the top of the second connecting column 400 can be integrally connected to the bottom of the gas mixing chamber of the outer ring fire cover 300, and the second connecting column 400 can be connected to the second connecting hole provided on the ear plate 116 117 in.
- Each ear plate 116 , each support plate 115 , surrounding plate 112 and inner ring air intake portion 104 constituting the air distributor 100 can be integrally formed so that the air distributor 100 has sufficient strength and improves the reliability of use.
- the present disclosure also provides a gas stove, which mainly includes a panel, the above-mentioned burner, a cooker support for placing cookers, and other necessary accessories. Since this embodiment does not improve the accessories such as panels and brackets of the gas cooker, the specific structure can refer to the existing publications, and other unspecified structures of the gas cooker can also refer to the related disclosures of the prior art, and the specific content is not here. Expand the description.
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- Gas Burners (AREA)
Abstract
Description
Claims (19)
- 一种燃烧器,其特征在于,所述燃烧器包括:分气件,设有气道、燃气通道以及匀气部;外环火盖和内环火盖,均设置在所述分气件上,所述内环火盖的混气腔和所述燃气通道的出气端连通,所述外环火盖的混气腔和所述内环火盖的混气腔通过所述气道连通,所述匀气部连通所述燃气通道与所述气道,以均衡所述外环火盖的混气腔或所述内环火盖的混气腔的燃气量。
- 根据权利要求1所述的燃烧器,其特征在于,所述匀气部包括设置在所述气道内的导流槽,所述导流槽连通于所述燃气通道与所述气道之间。
- 根据权利要求2所述的燃烧器,其特征在于,所述分气件包括:内环进气部,所述内环进气部沿轴向设置有所述燃气通道,所述内环进气部的外周面间隔设置有多个所述导流槽。
- 根据权利要求3所述的燃烧器,其特征在于,多个所述导流槽所在的环形区域的内径与所述燃气通道的直径的比例大于或等于1.5:1。
- 根据权利要求3所述的燃烧器,其特征在于,所述内环进气部包括:第一筒体,所述第一筒体沿轴向设置有贯通的所述燃气通道;第二筒体,连接于所述第一筒体的外周面,所述第二筒体的顶部高度低于所述第一筒体的顶部高度,所述导流槽从所述第一筒体的顶部开设至所述第二筒体的外周面的中部。
- 根据权利要求5所述的燃烧器,其特征在于,所述第一筒体的顶部开设有和所述导流槽相对应的引导切面,所述引导切面的顶部延伸设置在所述第一筒体的顶部的中部,所述引导切面的底部延伸设置在对应的所述导流槽的顶部。
- 根据权利要求6所述的燃烧器,其特征在于,所述内环进气部还包括:过渡筒体,连接于所述第一筒体的外周面和所述第二筒体的顶部之间, 所述过渡筒体的顶部的高度从内向外依次渐低。
- 根据权利要求3-7任一项所述的燃烧器,其特征在于,所述内环火盖的混气腔间隙设置在所述内环进气部的顶部上方,所述内环火盖和所述外环火盖之间通过多个腔体连接,所述腔体内均设置有所述气道,所述导流槽和所述腔体对应设置,所述导流槽设置在对应的所述腔体的气道内。
- 根据权利要求1所述的燃烧器,其特征在于,所述分气件还设置有进气通道以及扰动通道,所述气道的进气端通过所述进气通道和所述燃气通道的出气端连通,所述扰动通道的第一端连通在所述燃气通道的中部,所述扰动通道的第二端和所述气道连通,所述扰动通道的出气方向和所述进气通道的出气方向具有扰动夹角;所述扰动通道被配置为所述匀气部。
- 根据权利要求9所述的燃烧器,其特征在于,所述分气件包括内环进气部,所述内环进气部沿轴向设置有贯通的所述燃气通道。
- 根据权利要求10所述的燃烧器,其特征在于,所述扰动通道设置有多个,多个所述扰动通道绕所述内环进气部的轴向间隔设置。
- 根据权利要求11所述的燃烧器,其特征在于,所述扰动通道的第一端连通在所述燃气通道的中部,所述扰动通道的第二端贯穿设置于所述内环进气部的周面。
- 根据权利要求12所述的燃烧器,其特征在于,所述扰动通道的第二端的高度高于所述扰动通道的第一端的高度。
- 根据权利要求13所述的燃烧器,其特征在于,所述进气通道设置有和所述燃气通道的出气端连通的第一端以及和所述气道连通的第二端,所述进气通道的第一端的高度高于所述进气通道的第二端的高度,所述进气通道的第二端的高度高于所述扰动通道的第二端的高度。
- 根据权利要求14所述的燃烧器,其特征在于,所述内环火盖的混气腔间隙设置在所述内环进气部的上方,所述内环火盖的混气腔和所述内环进气部的之间的间隙限制为所述进气通道。
- 根据权利要求15所述的燃烧器,其特征在于,所述分气件还包括围板,所述围板设置在所述内环进气部的周面上;所述内环火盖的外侧壁延伸至围板上,所述内环火盖、所述内环进气部以及所述围板围成一个顶部敞口的扰动腔体,以使各个所述扰动通道的第二端均和所述扰动腔体连通。
- 根据权利要求16所述的燃烧器,其特征在于,所述内环火盖和所述外环火盖之间通过多个腔体连接,所述腔体内设置有所述气道,所述气道通过所述扰动腔体和多个所述扰动通道连通。
- 根据权利要求8或17所述的燃烧器,其特征在于,所述分气件还包括:多个支撑板,间隔设置在所述内环进气部的周面外侧,每个所述腔体的底部敞口,每个所述腔体的底部通过对应的所述支撑板密封,所述腔体以及对应的所述支撑板形成两端敞口的所述气道。
- 一种燃气灶,其特征在于,所述燃气灶包括权利要求1-18任一项所述的燃烧器。
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EP22923073.5A EP4317788A1 (en) | 2022-01-26 | 2022-03-28 | Burner for gas stove, and gas stove |
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CN202210096629.5A CN114321917B (zh) | 2022-01-26 | 2022-01-26 | 燃烧器以及燃气灶 |
CN202210096629.5 | 2022-01-26 | ||
CN202210181787.0A CN114440266A (zh) | 2022-02-25 | 2022-02-25 | 燃烧器以及燃气灶 |
CN202220427694.7 | 2022-02-25 | ||
CN202220427694.7U CN217383024U (zh) | 2022-02-25 | 2022-02-25 | 燃烧器以及燃气灶 |
CN202210181787.0 | 2022-02-25 |
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- 2022-03-28 WO PCT/CN2022/083295 patent/WO2023142255A1/zh active Application Filing
- 2022-03-28 EP EP22923073.5A patent/EP4317788A1/en active Pending
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