CN104696962A - Outer fire cover, combustor and gas stove - Google Patents
Outer fire cover, combustor and gas stove Download PDFInfo
- Publication number
- CN104696962A CN104696962A CN201510103356.2A CN201510103356A CN104696962A CN 104696962 A CN104696962 A CN 104696962A CN 201510103356 A CN201510103356 A CN 201510103356A CN 104696962 A CN104696962 A CN 104696962A
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- Prior art keywords
- outer fire
- fire cover
- chamber
- gas
- burner
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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
- F23D14/46—Details, e.g. noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/74—Preventing flame lift-off
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2209/00—Safety arrangements
- F23D2209/20—Flame lift-off / stability
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention discloses an outer fire cover for a combustor. The outer fire cover comprises a first side surface and a second side surface connected with the first side surface, wherein a gas cavity positioned between the first side surface and the second side surface is formed in the outer fire cover; an inner fire channel is formed in the first side surface; outer fire holes are formed in the second side surface; the outer fire cover comprises a gas separation rib which is positioned in the gas cavity and divides the gas cavity into a first cavity and a second cavity; the first cavity is communicated with the inner fire channel; the second cavity is communicated with the outer fire holes. According to the outer fire cover, the gas separation rib is used for independently dividing the gas cavity for accommodating fuel gas and air mixing gas into the first cavity and the second cavity, so that gas flows cannot be interfered when the mixed gas of fuel gas and air for two rings of fire of the outer fire cover is sprayed out of the fire holes; therefore, the stability of the combustion flame can be improved. The invention further discloses a combustor and a gas stove.
Description
Technical field
The present invention relates to field of household appliances, more specifically, relate to a kind of outer fire cover for burner and a kind of burner and a kind of gas kitchen ranges.
Background technology
When day by day advocating energy-conserving and environment-protective concept and the new Energy Efficiency Standard of gas kitchen ranges is about to implement, current many gas kitchen ranges producers are all being devoted to study efficient burner, and common way reduces the firepower of burner, reduces the height of pan bracket.Although this kind of method can improve the thermal efficiency, the too little use habit that cannot meet consumer's quick-fried of firepower.So to the research of high flame, the burner with high efficiency development trend by kitchen range after being.
The outer fire cover outer ring of existing burner on the market usually has below the main fire hole of a row or main fire hole and has a steady flame groove; between the usual flame of burner of this kind of structure, auxiliary air supplements not smooth; easily occur the problem of yellow flame, when firepower is difficult to do Datong District, heat utilization efficiency is low, and the thermal efficiency is difficult to improve.
Burner with high efficiency on the market increases several fire holes at the inner ring of outer fire cover usually in addition.But easily to occur in yellow flame and flue gas that pernicious gas (as carbon dioxide) exceeds standard phenomenon because of the problem that flame is interfered or auxiliary air supplements.Increase fire hole at outer fire cover inner ring in addition, if the problem not solving combustion gas and air mixture flow Dynamic stability also will cause the fire hole flow velocity of inner ring fire hole and outer ring fire hole inconsistent, thus when occurring flame-out, have the phenomenon of flame-out dry sound.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the present invention needs to provide a kind of outer fire cover, a kind of burner and a kind of gas kitchen ranges.
A kind of outer fire cover for burner, the second side comprising the first side and be connected with this first side, this outer fire cover offers the air chamber between this first side and this second side, and this first side opening is provided with interior fiery passage, and this second side opening is provided with outer fire hole.This outer fire cover comprises gas-separating rib, and this gas-separating rib is positioned at this air chamber and this air chamber is divided into the first chamber and the second chamber, and this first chamber and this interior fiery channel connection, this second chamber is communicated with this outer fire hole.
In above-mentioned outer fire cover, the effect of gas-separating rib is that the air chamber of outer fire cover being accommodated gas-air body is independently divided into the first chamber and the second chamber, for the combustion gas of outer fire cover two ring fire and the mist of air, the air-flow when spraying fire hole does not interfere with each other, and is conducive to the stability improving combustion flame.
In one embodiment, this interior fiery passage and this outer fire cover radially at an angle alpha, and 45 °≤α≤60 °.
In one embodiment, this interior fiery passage is interior fiery groove, and this outer fire hole comprises multiple macropore and multiple aperture, and the plurality of macropore and the plurality of aperture are interspersed on the second side and form a fire hole circle.
In one embodiment, this interior fiery passage is interior fire hole, this outer fire hole comprises multiple macropore, multiple first aperture and multiple second orifice, the plurality of macropore and the plurality of first keyhole formation first fire hole circle, the plurality of second orifice forms the second fire hole circle, this the first fire hole circle and this second fire hole circle interval, the plurality of second orifice is interspersed on the second side with the plurality of macropore and the plurality of first aperture respectively.
In one embodiment, the height span of this gas-separating rib is between 4 ~ 8 millimeters.
A kind of burner, comprise burner, air distribution disk, outer fire cover and inner fire cover, this burner is connected to the bottom of this air distribution disk, this outer fire cover and this inner fire cover are arranged on this air distribution disk, the second side that this outer fire cover comprises the first side and is connected with this first side, this outer fire cover offers the air chamber between this first side and this second side, and this first side opening is provided with interior fiery passage, and this second side opening is provided with outer fire hole.This outer fire cover comprises gas-separating rib, and this gas-separating rib is positioned at this air chamber and this air chamber is divided into the first chamber and the second chamber, and this first chamber and this interior fiery channel connection, this second chamber is communicated with this outer fire hole.
In one embodiment, this interior fiery passage and this outer fire cover radially at an angle alpha, and 45 °≤α≤60 °.
In one embodiment, this connecting portion comprises main body and is positioned at the blade of this main body side, and this blade is arranged in tangential relative to this air distribution disk center.
In one embodiment, this blade and this burner centre radial direction β at an angle, and 20 °≤β≤45 °, the structure that the cross section of this blade is triangular in shape or trapezoidal.
A kind of gas kitchen ranges, comprises burner as above.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the decomposing schematic representation of the burner of better embodiment of the present invention;
Fig. 2 is the floor map of the burner of better embodiment of the present invention;
Fig. 3 is the schematic cross-section of burner along III-III line of Fig. 2;
Fig. 4 is the schematic perspective view of the air distribution disk of better embodiment of the present invention;
Fig. 5 is the floor map of the air distribution disk of better embodiment of the present invention;
Fig. 6 is the schematic perspective view of the outer fire cover of better embodiment of the present invention;
Fig. 7 is the floor map of the outer fire cover of better embodiment of the present invention;
Fig. 8 is the schematic cross-section of outer fire cover along VIII-VIII line of Fig. 7;
Fig. 9 is another schematic perspective view of the outer fire cover of better embodiment of the present invention;
Figure 10 is another floor map of the outer fire cover of better embodiment of the present invention;
Figure 11 is the schematic cross-section of outer fire cover along XI-XI line of Figure 10; And
Figure 12 is the floor map of the gas kitchen ranges of better embodiment of the present invention.
Attached graph laplacian is as follows: burner-100, 308, burner-102, 310, air distribution disk-104, inner fire cover-106, outer fire cover-108, 200, first air inlet pipe-110, second air inlet pipe-112, portion-114, the second inlet channel-116 of giving vent to anger, inner chamber-118, exocoel-120, outer ring cavity portion-122, interior ring cavity portion-124, ring cavity-128 in connecting portion-126, the first, ring cavity-132 in first outer ring cavity-130, the second, inner ring fire hole-134, inner ring hybrid chamber-136, interface channel-138, main body-140, blade-142, the first side-144, 202, second side-146, 204, second outer ring cavity-148, 206, outer shroud hybrid chamber-150, interior fiery passage, interior fire hole-152, 208, outer fire hole-154, 210, macropore-156, 212, first aperture-158, second orifice-160, gas-separating rib-162, 216, first chamber-164, 218, second chamber-166, 220, igniter-168, the first support-170, the second support-172, ignition electrode-174, thermocouple-176, aperture-214, gas kitchen ranges-300, drain pan assembly 302, valve component-304, nozzle-306.
Detailed description of the invention
Be described below in detail embodiments of the present invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it is to be appreciated that term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrically connected or can intercom mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate discussed various embodiment and/or relation between setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Refer to Fig. 1 ~ Fig. 8, the burner 100 of the present invention first better embodiment comprises burner 102, air distribution disk 104, inner fire cover 106 and outer fire cover 108.
Incorporated by reference to Fig. 3, this burner 102 is connected to the bottom of this air distribution disk 104.Burner 102 can be connected with the gas inlet pipe of gas kitchen ranges, enables extraneous combustion gas supplied burner 100.In present embodiment, this burner 102 comprises the first air inlet pipe 110, second air inlet pipe 112 and portion 114 of giving vent to anger.First air inlet pipe 110 and the second air inlet pipe 112 are connected to the bottom in this portion 114 of giving vent to anger.
First air inlet pipe 112 offers the first inlet channel (not shown), and the second air inlet pipe 112 offers the second inlet channel 116, sees Fig. 3.Two inlet channel be provided with the high flame effect being beneficial to and realizing burner 100.
See Fig. 1, portion 114 of giving vent to anger offers inner chamber 118 and exocoel 120.Inner chamber 118 is in hollow columnar.Exocoel 120 in the form of a ring and arrange around inner chamber 118.This first inlet channel is communicated with exocoel 120, second inlet channel 116 communication with cavity 118.Therefore, combustion gas can enter exocoel 120 and inner chamber 118 respectively by the first inlet channel and the second inlet channel 116.
Air distribution disk 104 is arranged in the portion of giving vent to anger 114, and the first air inlet pipe 110 and the second air inlet pipe 112 are connected to the bottom of air distribution disk 104 by the portion of giving vent to anger 114.Particularly, see Fig. 1, Fig. 3 ~ Fig. 5, air distribution disk 104 comprises outer ring cavity portion 122, interior ring cavity portion 124 and connecting portion 126.
Interior ring cavity portion 124 is hollow columnar portion.In the form of a ring, outer ring cavity portion 122 is around this interior ring cavity portion 124 in outer ring cavity portion 122.Connecting portion 126 connects interior ring cavity portion 124 and outer ring cavity portion 122.
Please refer to the drawing 1 and Fig. 3, interior ring cavity portion 124 offers ring cavity 128 in first, and in first, ring cavity 128 is communicated with the second inlet channel 116 by inner chamber 118.Outer ring cavity portion 122 is offered the outer ring cavity 130 of the first outer ring cavity 130, first and is communicated with the first inlet channel by exocoel 120.
Please refer to the drawing 1 and 3, inner fire cover 106 offers ring cavity 132 and inner ring fire hole 134 in second, and inner ring fire hole 134 is communicated with ring cavity in second 132, and the gas being positioned at the second ring cavity 132 outwards can be sprayed by inner ring fire hole 134.Inner fire cover 10 is arranged in this interior ring cavity portion 124, and in first, in ring cavity 128 and second, ring cavity 132 forms inner ring hybrid chamber 136 jointly.Inner ring hybrid chamber 136 is communicated with inner ring fire hole 134, and so, the mist of combustion gas and air outwards can spray from inner ring hybrid chamber 136 through inner ring fire hole 134, forms the interior ring fire of burner 100 after burning.
See Fig. 1 and Fig. 4, connecting portion 126 offers interface channel 138, and this interface channel 138 is communicated with inner ring hybrid chamber 136.Particularly, the quantity of connecting portion 126 is 4, and these 4 connecting portion 126 intervals are connected between interior ring cavity portion 124 and outer ring cavity portion 122.Be appreciated that in other embodiments, the quantity of this connecting portion 126 can be other quantity, as 2 or more.
See Fig. 2, each connecting portion 126 comprises main body 140 and is positioned at the blade 142 of this main body 140 side.This main body 140 offers this interface channel 138.In present embodiment, the quantity of this blade 142 is 2, and these 2 blades 142 are positioned at the opposing dual-side of main body 140.Be appreciated that in other embodiments, the quantity of blade 142 can be 1, and it is connected to a side of main body 140.The structure that the cross section of this blade 142 is triangular in shape or trapezoidal, as shown in Figure 5, along clockwise direction, the sectional area of blade 142 increases gradually.
See Fig. 5, each blade 142 is arranged in tangential relative to this air distribution disk 104 center, so, can be conducive to increasing the Involving velocity of burner 100 when burning to auxiliary air, increase the kinetic energy of air, the interior ring fire of burner 100 and the enough and yellow flame phenomenon that occurs of middle ring fire auxiliary air can be solved.
Further, see Fig. 4, this blade 142 and this burner 100 radially β at an angle, and 20 °≤β≤45 °, be preferably 30 °.This angular range can make above-mentioned Involving velocity promote further.
See Fig. 3, outer fire cover 108 is arranged in outer ring cavity portion 122.The second side 146 that this outer fire cover 108 comprises the first side 144 and is connected with this first side 144.This outer fire cover 108 offers the second outer ring cavity 148 (air chamber) between this first side 144 and this second side 146.Outer fire cover 108 is arranged in outer ring cavity portion 122 and makes the first outer ring cavity 130 and the second outer ring cavity 148 jointly form outer shroud hybrid chamber 150, sees Fig. 3.In present embodiment, the first side 144 is the medial surface of outer fire cover 108, and the second side 146 is the lateral surface of outer fire cover 108.
See Fig. 6, the first side 144 offers interior fiery passage 152.In present embodiment, this interior fiery passage 152 is interior fire hole, and this interior fire hole 152 is communicated with the second outer ring cavity 148 and outer shroud hybrid chamber 150, and the gas being positioned at the second outer ring cavity 148 and outer shroud hybrid chamber 150 outwards can be sprayed by fire hole 152.So, the mist of combustion gas and air outwards can spray from the second ring cavity 148 and outer shroud hybrid chamber 150 through interior fire hole 152, forms the middle ring fire of burner 100 after burning.
Further, see Fig. 7, this interior fire hole 152 and this outer fire cover 108 radially at an angle alpha, and 45 °≤α≤60 °.Being provided with of this angle is beneficial to the thermal efficiency improving burner 100, is conducive to preventing middle ring fire and interior ring fire is concentric and flame that is that occur interferes the problem causing pernicious gas (as carbon dioxide) to exceed standard simultaneously.In addition middle ring fire due to tangentially outwards injection be also beneficial to the Involving velocity that improve air.
See Fig. 6, this second side 146 offers outer fire hole 154.Outer fire hole 154 is communicated with the second outer ring cavity 148 and outer shroud hybrid chamber 150, and the gas being positioned at the second outer ring cavity 148 and outer shroud hybrid chamber 150 outwards can be sprayed by outer fire hole 154.So, the mist of combustion gas and air outwards can spray from the second ring cavity 148 and outer shroud hybrid chamber 150 through outer fire hole 154, forms the outer ring fire of burner 100 after burning.
In present embodiment, this outer fire hole 154 comprises multiple macropore 156, multiple first aperture 158 and multiple second orifice 160.The aperture of macropore 156 wants large compared with the aperture of the first aperture 158 and the aperture of second orifice 160, and the aperture of the first aperture 158 can be identical or different with the aperture of second orifice 160.
See Fig. 6, the plurality of macropore 156 forms the first fire hole circle with the plurality of first aperture 158, and the plurality of second orifice 160 forms the second fire hole circle, this first fire hole circle and this second fire hole circle interval, such as, the first fire hole circle and the second fire hole circle are disposed on the second side 146 up and down.The plurality of second orifice 160 is interspersed on this second side 146 with the plurality of macropore 156 and the plurality of first aperture 158 respectively.Outer fire hole 154 is so set, is conducive to the stability improving outer ring fire burning, prevent from occurring when gaseous-pressure is unstable from flame phenomenon.
In addition, in the first fire hole circle, multiple first aperture 158, with several, as 3 is one group, is divided into multiple first aperture group.Each first aperture group is arranged between multiple macropore 156.Adjacent two first aperture groups are by several macropore 156 intervals.Macropore 156 in first fire hole circle and the first aperture 158 are so set, are conducive to improving further the stability of outer ring fire burning, prevent from occurring when gaseous-pressure is unstable from flame phenomenon.
See Fig. 8, this outer fire cover 108 comprises gas-separating rib 162.This gas-separating rib 162 is positioned at this second outer ring cavity 148 and this second outer ring cavity 148 is divided into the first chamber 164 and the second chamber 166, and this first chamber 164 is communicated with this interior fire hole 152, and this second chamber 166 is communicated with this outer fire hole 154.So, the effect of gas-separating rib 162 is that the second outer ring cavity 148 of outer fire cover 108 being accommodated gas-air body is independently divided into the first chamber 164 and the second chamber 166, for the combustion gas of ring fire and outer ring fire in outer fire cover 108 and the mist of air, the air-flow when spraying fire hole does not interfere with each other, and is conducive to the stability improving combustion flame.
Further, the height H span of this gas-separating rib 162 is between 4 ~ 8 millimeters, is preferably 5 millimeters.
See Fig. 1, burner 100 also comprises the igniter 168 be arranged on burner 102.Particularly, portion of giving vent to anger 114 lateral wall of burner 102 is arranged on the first support 170 and the second support 172, igniter 168 comprises ignition electrode 174 and thermocouple 176.Ignition electrode 174 wears the first support 170, and to be fixed on the first support 170 by such as screw.Thermocouple 176 wears the second support 172, and is fixed on the second support 172 by such as screw.Igniter 168 is arranged near inner fire cover 106.
During work, combustion gas enters burner 100 from burner 102, primary air enters burner 100 by air distribution disk 104 and the gap of giving vent to anger between portion 114, and form mist enter air distribution disk 104 together with combustion gas, a part for this mist enters inner ring hybrid chamber 136 and outwards sprays through inner ring fire hole 134, ring fire in burning is formed.Another part of this mist enters outer shroud hybrid chamber 150 via interface channel 138, and forms middle ring fire from the first chamber 164 through the outside spray combustion of interior fire hole 152 respectively, and from the second chamber 166 through outer fire hole 154 outwards spray combustion formation outer ring fire.
In sum, said burner 100, the effect of the gas-separating rib 162 of outer fire cover 108 is that the second outer ring cavity 148 (air chamber) of outer fire cover 108 being accommodated gas-air body is independently divided into the first chamber 164 and the second chamber 166, for the combustion gas of outer fire cover 108 liang of ring fires and the mist of air, the air-flow when spraying fire hole does not interfere with each other, and is conducive to the stability improving combustion flame.
Please refer to the drawing 9, the second side 204 that the outer fire cover 200 of the present invention second better embodiment comprises the first side 202 and is connected with this first side 202, this outer fire cover 200 offers the second outer ring cavity 206 (air chamber) between this first side 202 and this second side 204.
First side 202 offers interior fiery passage 208.In present embodiment, interior fiery passage 208 is interior fiery groove, and this interior fiery groove 208 is communicated with the second outer ring cavity 206, and the gas being positioned at the second outer ring cavity 206 outwards can be sprayed by fiery groove 208.So, the mist of combustion gas and air outwards can spray from the second ring cavity 206 through interior fiery groove 208, forms the middle ring fire of burner after burning.
Further, see Figure 10, this interior fiery groove 208 and this outer fire cover 200 radially at an angle alpha, and 45 °≤α≤60 °.Being provided with of this angle is beneficial to the thermal efficiency improving burner, is conducive to preventing the middle ring fire of burner and interior ring fire is concentric and flame that is that occur interferes the problem causing pernicious gas (as carbon dioxide) to exceed standard simultaneously.In addition burner middle ring fire due to tangentially outwards injection be also beneficial to the Involving velocity that improve air.
This second side 204 offers outer fire hole 210.Outer fire hole 210 is communicated with the second outer ring cavity 206, and the gas being positioned at the second outer ring cavity 206 outwards can be sprayed by outer fire hole 210.So, the mist of combustion gas and air outwards can spray from the second ring cavity 206 through outer fire hole 210, forms the outer ring fire of burner after burning.
In present embodiment, see Fig. 9, this outer fire hole 210 comprises multiple macropore 212 and multiple aperture 214.The aperture of macropore 212 wants large compared with the aperture of aperture 214.The plurality of macropore 212 and the plurality of aperture 214 to be interspersed on this second side 204 and to form a fire hole circle.Outer fire hole 210 is so set, is conducive to the stability of the outer ring fire burning improving burner, prevent from occurring when gaseous-pressure is unstable from flame phenomenon.
See Figure 11, this outer fire cover 200 comprises gas-separating rib 216.This gas-separating rib 216 is positioned at this second outer ring cavity 206 and this second outer ring cavity 206 is divided into the first chamber 218 and the second chamber 220, and this first chamber 218 is communicated with this interior fiery groove 208, and this second chamber 220 is communicated with this outer fire hole 210.So, the effect of gas-separating rib 216 is that the second outer ring cavity 206 of outer fire cover 200 being accommodated gas-air body is independently divided into the first chamber 218 and the second chamber 220, for the combustion gas of ring fire and outer ring fire in outer fire cover 200 and the mist of air, the air-flow when spraying fire hole does not interfere with each other, and is conducive to the stability improving combustion flame.
Further, the height H span of this gas-separating rib 216 is between 4 ~ 8 millimeters, is preferably 5 millimeters.
In sum, in above-mentioned outer fire cover 200, the effect of gas-separating rib 216 is that the second outer ring cavity 206 of outer fire cover 200 being accommodated gas-air body is independently divided into the first chamber 218 and the second chamber 220, for the combustion gas of outer fire cover 200 liang of ring fires and the mist of air, the air-flow when spraying fire hole does not interfere with each other, and is conducive to the stability improving combustion flame.
Please refer to the drawing 12, the gas kitchen ranges 300 of the present invention the 3rd better embodiment comprises drain pan assembly 302, valve component 304, nozzle 306 and burner 308.In present embodiment, the quantity of burner 308 is 2, and the quantity of nozzle 306 is 4, and every 2 nozzles 306 connect the burner 310 of a burner 308, to spray combustion gas respectively to the first inlet channel of burner 310 and the second inlet channel.
Burner 308 and valve component 304 are arranged on drain pan assembly 302.Valve member assembly 304 connects nozzle 306 to control switch and the air inflow of combustion gas.
The optional burner with above embodiment of burner 308, the outer fire cover of burner 308 is optional in order to the outer fire cover in upper arbitrary embodiment.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the present invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. the outer fire cover for burner, the second side comprising the first side and be connected with this first side, this outer fire cover offers the air chamber between this first side and this second side, this first side opening is provided with interior fiery passage, this second side opening is provided with outer fire hole, it is characterized in that, this outer fire cover comprises gas-separating rib, this gas-separating rib is positioned at this air chamber and this air chamber is divided into the first chamber and the second chamber, this first chamber and this interior fiery channel connection, this second chamber is communicated with this outer fire hole.
2. outer fire cover as claimed in claim 1, is characterized in that, this interior fiery passage and this outer fire cover radially at an angle alpha, and 45 °≤α≤60 °.
3. outer fire cover as claimed in claim 1, it is characterized in that, this interior fiery passage is interior fiery groove, and this outer fire hole comprises multiple macropore and multiple aperture, and the plurality of macropore and the plurality of aperture are interspersed on the second side and form a fire hole circle.
4. outer fire cover as claimed in claim 1, it is characterized in that, this interior fiery passage is interior fire hole, this outer fire hole comprises multiple macropore, multiple first aperture and multiple second orifice, the plurality of macropore and the plurality of first keyhole formation first fire hole circle, the plurality of second orifice forms the second fire hole circle, this first fire hole circle and this second fire hole circle interval, and the plurality of second orifice is interspersed on the second side with the plurality of macropore and the plurality of first aperture respectively.
5. outer fire cover as claimed in claim 1, it is characterized in that, the height span of this gas-separating rib is between 4 ~ 8 millimeters.
6. a burner, comprise burner, air distribution disk, outer fire cover and inner fire cover, this burner is connected to the bottom of this air distribution disk, this outer fire cover and this inner fire cover are arranged on this air distribution disk, the second side that this outer fire cover comprises the first side and is connected with this first side, this outer fire cover offers the air chamber between this first side and this second side, this first side opening is provided with interior fiery passage, this second side opening is provided with outer fire hole, it is characterized in that, this outer fire cover comprises gas-separating rib, this gas-separating rib is positioned at this air chamber and this air chamber is divided into the first chamber and the second chamber, this first chamber and this interior fiery channel connection, this second chamber is communicated with this outer fire hole.
7. burner as claimed in claim 6, is characterized in that, this interior fiery passage and this outer fire cover radially at an angle alpha, and 45 °≤α≤60 °.
8. burner as claimed in claim 6, it is characterized in that, this connecting portion comprises main body and is positioned at the blade of this main body side, and this blade is arranged in tangential relative to this air distribution disk center.
9. burner as claimed in claim 8, is characterized in that, this blade and this burner centre radial direction β at an angle, and 20 °≤β≤45 °, the structure that the cross section of this blade is triangular in shape or trapezoidal.
10. a gas kitchen ranges, is characterized in that, comprises the burner as described in any one of claim 6 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510103356.2A CN104696962A (en) | 2015-03-09 | 2015-03-09 | Outer fire cover, combustor and gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510103356.2A CN104696962A (en) | 2015-03-09 | 2015-03-09 | Outer fire cover, combustor and gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104696962A true CN104696962A (en) | 2015-06-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510103356.2A Pending CN104696962A (en) | 2015-03-09 | 2015-03-09 | Outer fire cover, combustor and gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696962A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107345662A (en) * | 2017-07-05 | 2017-11-14 | 广东美的厨房电器制造有限公司 | Burner and gas kitchen ranges |
| WO2018166064A1 (en) * | 2017-03-15 | 2018-09-20 | 广东美的厨房电器制造有限公司 | Gas distribution structure and burner |
| CN109140447A (en) * | 2018-10-11 | 2019-01-04 | 佛山市顺德区美的洗涤电器制造有限公司 | Fire cover component, burner and gas-cooker |
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| CN105202541A (en) * | 2015-10-15 | 2015-12-30 | 宁波方太厨具有限公司 | Stable-flame burner |
| CN105202541B (en) * | 2015-10-15 | 2017-07-18 | 宁波方太厨具有限公司 | A kind of stable flame combusting device |
| US10928061B2 (en) | 2015-11-26 | 2021-02-23 | Electrolux Appliances Aktiebolag | Gas burner and hob comprising a gas burner |
| WO2018166064A1 (en) * | 2017-03-15 | 2018-09-20 | 广东美的厨房电器制造有限公司 | Gas distribution structure and burner |
| CN107345662A (en) * | 2017-07-05 | 2017-11-14 | 广东美的厨房电器制造有限公司 | Burner and gas kitchen ranges |
| CN107345662B (en) * | 2017-07-05 | 2023-01-31 | 广东美的厨房电器制造有限公司 | Burner and gas cooker |
| CN109140447A (en) * | 2018-10-11 | 2019-01-04 | 佛山市顺德区美的洗涤电器制造有限公司 | Fire cover component, burner and gas-cooker |
| CN109140447B (en) * | 2018-10-11 | 2024-03-08 | 佛山市顺德区美的洗涤电器制造有限公司 | Fire cover assembly, combustor and gas stove |
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