CN111853859A - Combustor air inlet system for kitchen range - Google Patents
Combustor air inlet system for kitchen range Download PDFInfo
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- CN111853859A CN111853859A CN202010763167.9A CN202010763167A CN111853859A CN 111853859 A CN111853859 A CN 111853859A CN 202010763167 A CN202010763167 A CN 202010763167A CN 111853859 A CN111853859 A CN 111853859A
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- holes
- nozzles
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- 238000002347 injection Methods 0.000 claims abstract description 53
- 239000007924 injection Substances 0.000 claims abstract description 53
- 230000001939 inductive effect Effects 0.000 claims abstract description 49
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 49
- 238000002485 combustion reaction Methods 0.000 abstract description 24
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 21
- 239000000446 fuel Substances 0.000 abstract description 10
- 238000010411 cooking Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000000452 restraining effect Effects 0.000 abstract description 3
- 239000002737 fuel gas Substances 0.000 description 7
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
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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
-
- 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
- F23D14/60—Devices for simultaneous control of gas and combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
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- 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
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
Landscapes
- 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 a burner air inlet system for a stove, which comprises a stove head and an air inlet valve, wherein two or more than two injection pipes are arranged on the stove head; wherein, the at least two nozzles are provided with air inducing holes, and the total area of the air inducing holes arranged on different nozzles is different. On the combustor air intake system for cooking utensils of this scheme, the total area in the induced air hole of seting up on the different nozzles is inequality to introduce the air of different volume, with this air-fuel ratio who realizes mixing the gas differs, obtain the mixed gas of multiple different concentration. The combustor air intake system for cooking utensils of this scheme can be used to realize the alternate combustion mode of combustor concentration, reduces combustion temperature, makes the gas combustion more abundant to this formation of restraining nitrogen oxide.
Description
Technical Field
The invention relates to the field of gas, in particular to a combustor air inlet system for a stove.
Background
The existing gas cooker burner has the same gas concentration coming out from the fire hole of the same fire cover, larger and concentrated firepower, high combustion temperature, easy insufficient combustion and more carbon monoxide, nitrogen oxide and other gases which are harmful to human bodies and generated in the combustion process. With the coming of the world energy crisis and the improvement of the environmental awareness of people, the requirements on the efficiency and the emission of the gas cooker are higher and higher, and in order to meet the requirements on low emission of nitrogen oxides, the combustor of the existing gas cooker needs to be further improved.
On the basis, the applicant proposes that two fire holes distributed at intervals are arranged on the fire cover, mixed gas with different concentrations is respectively communicated in the two fire holes, the purpose of thick-thin combustion is achieved in a thick-thin alternating mode, the combustion temperature is reduced, the gas is combusted more fully, and the generation of nitrogen oxides is inhibited. Therefore, on the premise of not adding a gas storage device, the air inlet system of the existing burner needs to be improved to obtain mixed gas with different concentrations.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a burner air inlet system for a stove, which can introduce different amounts of air through an air inducing hole to obtain mixed gas with different concentrations during working.
The burner air intake system for a cooktop according to an embodiment of the first aspect of the invention comprises: the furnace comprises a furnace end, wherein two or more than two injection pipes are arranged on the furnace end; the air inlet valve is provided with a plurality of nozzles, the nozzles correspond to the injection pipes one by one, and the nozzles extend into the corresponding injection pipes respectively; wherein, the at least two nozzles are provided with air inducing holes, and the total area of the air inducing holes arranged on different nozzles is different.
The combustor air inlet system for the cooker provided by the embodiment of the invention at least has the following beneficial effects: on the combustor air intake system for cooking utensils of this scheme, the total area of the induced air hole of seting up on the different nozzles is different to introduce the air of different volume, with this air-fuel ratio who realizes mixing the gas differs, obtain the mixed gas of multiple different concentration.
The combustor air intake system for cooking utensils of this scheme can be used to realize the alternate combustion mode of main burner shade, reduces combustion temperature, makes the gas combustion more abundant to this formation of restraining nitrogen oxide.
According to the burner air inlet system for the cooker, the air inducing holes comprise the thick flame air inducing holes and the thin flame air inducing holes, the thick flame air inducing holes and the thin flame air inducing holes are respectively arranged on different nozzles, and the total area of the thin flame air inducing holes is larger than that of the thick flame air inducing holes. The total area of the thick flame air inducing holes is small, the amount of introduced air is small, the concentration of mixed gas is high, and thick flame with high temperature is generated after combustion; the total area of the light flame air inducing holes is large, the amount of introduced air is large, the concentration of mixed gas is low, and light flame with low temperature is generated after combustion.
According to the burner air inlet system for the cooker, the number of the air inducing holes on the nozzle is multiple, and the air inducing holes are distributed on the nozzle in a multi-surface surrounding manner, so that air enters the nozzle from multiple directions and is uniformly mixed with gas.
According to the burner air intake system for a cooktop of the first aspect of the present invention, the distances between the plurality of the air introduction holes and the outlets of the nozzles are equal.
According to the burner air inlet system for the cooker in the first aspect of the invention, the plurality of the air guide holes are divided into a plurality of groups, and the distances between the air guide holes of different groups and the outlets of the nozzles are different. Through the multiple groups of air inducing holes with different distances, air with different quantities can be introduced for multiple times, and mixed fuel gas with different concentrations is obtained.
According to the burner air inlet system for the kitchen range, the injection pipe is provided with the injection pipe air hole. The air holes of the injection pipe have the same function as the air inducing holes and are used for introducing air. The air holes of the injection pipes are formed in part of the injection pipes, so that the concentration of the fuel gas in the injection pipes can be changed, and mixed fuel gas with various concentrations can be obtained.
Furthermore, the shape of the air guide hole and the air guide hole of the injection pipe is any one of circular, oval and polygonal, so that the processing is convenient. Wherein the polygon comprises a triangle, a diamond, a rectangle, a square, a hexagon and the like.
According to the burner air inlet system for the kitchen range, the injection pipe is provided with the air door plate with the adjustable opening degree. This design can also be further finely tuned the air-fuel ratio of mixing the gas through adjustment wind door plant, and through the aperture size that changes the wind door plant, the further adjustment of realizing mixing the gas, the burning of thick and thin flame of more accurate control ensures going on smoothly of thick and thin burning.
According to the burner air inlet system for the cooker, the nozzle penetrates through the air door plate, the distance from the nozzle to the injection pipe is 1mm-5mm, preferably 3mm, and the distance ensures that gas input by the nozzle smoothly enters the injection pipe.
According to the burner air inlet system for the cooker, one or more valve switches are arranged on the air inlet valve. The number of the valve switches can be adjusted according to the actual situation, and one valve switch can independently control one nozzle and can also control a plurality of nozzles simultaneously.
According to the burner air inlet system for the cooker, the number of the valve switches is equal to the number of the nozzles, and each valve switch independently controls one nozzle, so that the control accuracy is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a burner air inlet system for a cooker in accordance with the present invention;
FIG. 2 is a cross-sectional view of the burner air intake system for the cooktop of FIG. 1;
figure 3 is a schematic view of an alternative intake valve configuration of the present invention.
The reference numbers illustrate:
an air inlet valve 100, a first nozzle 110, a light flame air guide hole 111, a secondary air guide hole 112, a second nozzle 120, a third nozzle 130, a strong flame air guide hole 131, a first valve switch 140, and a second valve switch 150;
the burner comprises a burner 200, a first ejector pipe 210, a wind door plate 211, an ejector pipe wind hole 212, a second ejector pipe 220, a third ejector pipe 230, an inner ring mixing cavity 240, a middle ring mixing cavity 250 and an outer ring mixing cavity 260;
an inner ring fire cover 300;
outer ring fire lid 400, dense flame fire hole 410, weak flame fire hole 420.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, several means are one or more, and more means are two or more. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, the burner air intake system for a kitchen range provided by the invention comprises a burner 200 and an air intake valve 100. The furnace end 200 is provided with three injection pipes, namely a first injection pipe 210, a second injection pipe 220 and a third injection pipe 230; as shown in fig. 1, the air intake valve 100 is provided with a first nozzle 110, a second nozzle 120 and a third nozzle 130 corresponding to the three injection pipes one by one, and the nozzles respectively extend into the corresponding injection pipes. Wherein, the induced air holes have been seted up respectively on first nozzle 110 and the third nozzle 130, and the total area of the induced air hole of seting up on first nozzle 110 and the third nozzle 130 is different, and different volume of air can be introduced respectively through the induced air hole that the total area is different for first nozzle 110 and the third nozzle 130 to this realizes that the air-fuel ratio of the mixed gas in first induction pipe 210 and the third induction pipe 230 is different, obtains the mixed gas of two kinds of different concentrations. The combustor air intake system for cooking utensils of this scheme can be used to realize the alternate combustion mode of main burner shade, reduces combustion temperature, makes the gas combustion more abundant to this formation of restraining nitrogen oxide.
Specifically, the air inducing holes include the rich flame inducing hole 131 and the lean flame inducing hole 111. In the present embodiment, the air guiding hole of the first nozzle 110 is a light flame air guiding hole 111, and the air guiding hole of the third nozzle 130 is a thick flame air guiding hole 131. The light flame inducing holes 111 can be increased in number or increased in diameter, so that the total area of the light flame inducing holes 111 is larger than that of the rich flame inducing holes 131. As in the present embodiment, the diameter of the thin flame inlet holes 111 is larger than that of the thick flame inlet holes 131. Wherein, the aperture of the thick flame air inducing hole 131 is 2-3.5mm, preferably 2.5mm, and the aperture of the thin flame air inducing hole 111 is 3.2-4.5mm, preferably 3.8 mm. The aperture of the thick flame air inducing hole 131 is small, the amount of introduced air is small, the concentration of mixed gas is high, and thick flame with higher temperature is generated after combustion; the diameter of the light flame air inducing hole 111 is large, the amount of introduced air is large, the concentration of mixed gas is low, and light flame with low temperature is generated after combustion.
Further, a plurality of air guiding holes are respectively formed in the first nozzle 110 and the third nozzle 130, and the six air guiding holes are distributed on the nozzles in a surrounding mode, so that air enters the nozzles from multiple directions and is uniformly mixed with fuel gas. The air inducing holes are not limited to six surfaces which are distributed on the nozzle in a surrounding mode, and can be in four-surface surrounding, five-surface surrounding or eight-surface surrounding and the like.
Further, as shown in fig. 1, the plurality of rich flame holes 131 are equally spaced from the outlet of the third nozzle 130, and are concentrically and annularly distributed on the third nozzle 130.
As shown in fig. 3, the first nozzle 110 is provided with two sets of air inducing holes, one set is a light flame air inducing hole 111, and the other set is a secondary air inducing hole 112, and the secondary air inducing hole 112 is located between the light flame air inducing hole 111 and the burner 200. Through the different multiunit induced air hole of distance, both can increase the figure of induced air hole, simultaneously, can introduce the air of different volume many times, obtain the mixed gas of different concentration. As in the present embodiment, the first nozzle 110 may introduce more air through two sets of the weak flame wind holes 111 and the secondary wind holes 112, so as to obtain a mixed gas having a different concentration from the third nozzle 130. In the present embodiment, only two sets of air inducing holes are disposed on the first nozzle 110, and it is easy to conceive that in other embodiments, more sets of air inducing holes may be disposed on the first nozzle 110, or multiple sets of air inducing holes may be disposed on other nozzles.
As shown in fig. 1, in the present embodiment, the first injection pipe 210 is provided with an injection pipe air hole 212. The function of the air hole 212 of the ejector pipe is consistent with that of the air hole on the nozzle, and the air hole is used for introducing air. The air holes 212 of the injection pipes are formed in part of the injection pipes, so that the concentration of the fuel gas in the injection pipes can be changed, and mixed fuel gas with various concentrations can be obtained. It is easy to think that in other embodiments, the other ejector pipes can be provided with ejector pipe air holes.
Specifically, the shape of the air inducing hole and the air inducing hole of the air inducing pipe is any one of a circle, an ellipse and a polygon, wherein the polygon can be a triangle, a diamond, a rectangle, a square, a hexagon and the like. The air holes of the air guide holes and the air holes of the air guide pipes are preferably circular, so that the processing is convenient.
Furthermore, the injection pipe is provided with a damper plate 211 with an adjustable opening. Except that adjusting the air-fuel ratio of mixing the gas through induced air hole and ejector pipe wind hole, this design can also be further finely tuned the air-fuel ratio of mixing the gas through adjustment air door plant 211, through the aperture size that changes air door plant 211, realizes mixing the further adjustment of gas, and the burning of thick and thin flame of more accurate control is ensured going on smoothly of thick and thin burning.
As shown in fig. 2, the nozzle penetrates through the air door plate, the distance from the nozzle to the injection pipe is 1mm-5mm, preferably 3mm, and the distance ensures that the fuel gas input by the nozzle smoothly enters the injection pipe.
Further, one or more valve switches 140, 150 are provided on the intake valve 100. The number of valve switches 140, 150 can be adjusted according to the actual application, and in this embodiment, the intake valve 100 is provided with two valve switches 140, 150, wherein the first valve switch 140 controls the second nozzle 120 independently, and the second valve switch 150 controls the first nozzle 110 and the third nozzle 130 simultaneously.
It is easy to think that in other embodiments, the number of valve switches may also be equal to the number of nozzles, and each valve switch independently controls one nozzle, improving the accuracy of control.
The embodiment of the burner provided in this embodiment includes a main burner and an auxiliary burner, and it is easy to think that in other embodiments, only two injection pipes and two corresponding nozzles may be arranged in the case of only one burner.
A burner air intake system for a cooktop according to an embodiment of the present invention is described in detail in specific embodiments with reference to fig. 1 to 3. It is to be understood that the following description is only exemplary, and not a specific limitation of the invention.
Referring to fig. 1 and 2, the invention provides an application embodiment of a burner air inlet system for a cooker, and the cooker comprises the burner air inlet system for the cooker, an inner ring fire cover 300 and an outer ring fire cover 400.
The furnace end 200 is provided with three injection pipes, namely a first injection pipe 210, a second injection pipe 220 and a third injection pipe 230. The furnace end 200 is further provided with an inner ring mixing cavity 240, a middle ring mixing cavity 250 and an outer ring mixing cavity 260 which are independent of each other, wherein the first injection pipe 210 is communicated with the outer ring mixing cavity 260, the second injection pipe 220 is communicated with the inner ring mixing cavity 240, and the third injection pipe 230 is communicated with the middle ring mixing cavity 250. The inner ring mixing cavity 240 is covered with an inner ring fire cover 300, and the middle ring mixing cavity 250 and the outer ring mixing cavity 260 are covered with an outer ring fire cover 400. The outer ring fire cover 400 is provided with a thick flame hole 410 and a thin flame hole 420 at intervals, the thick flame hole 410 is communicated with the middle ring mixing cavity 250, and the thin flame hole 420 is communicated with the outer ring mixing cavity 260, as shown in fig. 2.
The middle ring mixing cavity 250, the outer ring mixing cavity 260 and the outer ring fire cover 400 form a main burner, the inner ring mixing cavity 240 and the inner ring fire cover 300 form a secondary burner,
the air inlet valve 100 is provided with a first nozzle 110, a second nozzle 120 and a third nozzle 130, the first nozzle 110 extends into the first injection pipe 210, the second nozzle 120 extends into the second injection pipe 220, the third nozzle 130 extends into the third injection pipe 230, and the nozzles and the injection pipes are connected in a one-to-one correspondence manner. The intake valve 100 is further provided with a first valve switch 140 and a second valve switch 150, wherein the first valve switch 140 controls the second nozzle 120 independently to supply the gas to the inner ring mixing chamber 240; the second valve switch 150 simultaneously controls the first nozzle 110 and the third nozzle 130 while supplying gas to the middle ring mixing chamber 250 and the outer ring mixing chamber 260.
A plurality of induced air holes are respectively formed in the first nozzle 110 and the third nozzle 130, six surfaces of the induced air holes are circumferentially distributed on the first nozzle 110 and the third nozzle 130, so that air enters the nozzles from multiple directions and is uniformly mixed with gas to obtain mixed gas. The air guiding holes of the first nozzle 110 are light flame air guiding holes 111, and the air guiding holes of the third nozzle 130 are dense flame air guiding holes 131. The aperture of the light flame pilot holes 111 is larger than that of the rich flame pilot holes 131, so that the total area of the light flame pilot holes 111 is larger than that of the rich flame pilot holes 131. Wherein, the aperture of the thick flame air inducing hole 131 is 2-3.5mm, preferably 2.5mm, and the aperture of the thin flame air inducing hole 111 is 3.2-4.5mm, preferably 3.8 mm. The air inducing holes with different areas can respectively introduce different amounts of air, so that the air-fuel ratio of the mixed gas is different, and the mixed gas with two different concentrations is obtained. Specifically, the aperture of the thick flame air inducing hole 131 is small, the amount of introduced air is small, the concentration of the mixed gas is high, the mixed gas sequentially passes through the third injecting pipe 230 and the middle ring mixing cavity 250 and then is output to be combusted in the thick flame fire hole 410, and thick flame with higher temperature is generated after the combustion; the aperture of the light flame draft hole 111 is large, the amount of the introduced air is large, the concentration of the mixed gas is low, the mixed gas sequentially passes through the first injection pipe 210 and the outer ring mixing cavity 260 and then is output and combusted in the light flame hole 420, and light flame with lower temperature is generated after combustion. Because dense flame holes 410 and thin flame holes 420 set up at intervals to realize the alternate combustion mode of main burner dense and thin, reduce combustion temperature, make the gas combustion more abundant, with this formation that restraines nitrogen oxide.
Further, referring to fig. 1, in order to improve the air-fuel ratio difference between the middle ring mixing chamber 250 and the outer ring mixing chamber 260, the first injection pipe 210 is further provided with an injection pipe air hole 212 in this embodiment. The function of the air hole 212 of the ejector pipe is consistent with that of the air hole on the nozzle, and the air hole is used for introducing air. Through set up on first injection pipe 210 and draw injection pipe wind hole 212, can introduce the air again, reduce the gas concentration in first injection pipe 210 to guarantee the realization of the alternate combustion mode of main burner rich and lean.
In addition, each injection pipe is also provided with a damper plate 211 with an adjustable opening. Except that adjusting the air-fuel ratio of mixing the gas through induced air hole and ejector pipe wind hole, the air-fuel ratio of mixing the gas can further be finely tuned through adjusting air door plant 211 to this embodiment, and through the aperture size that changes air door plant 211, realizes mixing the further adjustment of gas, and the burning of thick and thin flame of more accurate control ensures going on smoothly of thick and thin burning.
In this embodiment, the air inducing holes 111 and 131 and the air hole 212 of the ejector pipe are all circular, so as to facilitate processing.
Referring to fig. 3, an intake valve 100 according to another embodiment of the present invention has a structure substantially the same as that of the intake valve according to the first embodiment of the present invention, except that, as shown in fig. 3, two sets of air guide holes are provided in a first nozzle 110, and a set of secondary air guide holes 112 are provided in addition to a light flame air guide hole 111, and the secondary air guide holes 112 are located between the light flame air guide hole 111 and the nozzle outlet. Through the secondary air inducing holes 112, the number and the area of the air inducing holes can be increased, and more air can be introduced into the first nozzle 110 for multiple times, so that mixed gas with different concentration from that of the third nozzle 130 can be obtained.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. Burner air inlet system for a hob, characterized in that it comprises:
the burner comprises a burner (200), wherein two or more than two injection pipes are arranged on the burner (200);
the air inlet valve (100) is provided with a plurality of nozzles, the nozzles correspond to the injection pipes one by one, and the nozzles extend into the corresponding injection pipes respectively;
wherein, the at least two nozzles are provided with air inducing holes, and the total area of the air inducing holes arranged on different nozzles is different.
2. Burner air inlet system for hobs according to claim 1, characterized in that said pilot holes comprise rich flame pilot holes (131) and lean flame pilot holes (111), said rich flame pilot holes (131) and said lean flame pilot holes (111) being respectively arranged on different said nozzles, the total area of said lean flame pilot holes (111) being larger than the total area of said rich flame pilot holes (131).
3. The burner air intake system for cookers of claim 1 or 2, wherein the number of the air guide holes on the nozzle is multiple, and the multiple air guide holes are distributed on the nozzle in a multi-surface surrounding manner.
4. Burner air inlet system for hobs according to claim 3, characterized in that the distance between the plurality of said pilot holes to the outlet of said nozzles is equal.
5. The burner air intake system for a cooktop of claim 3, wherein the plurality of the pilot holes are grouped into multiple groups, the distance between the pilot holes of different groups to the outlet of the nozzle being different.
6. The burner air intake system for cookers of claim 1, wherein the injection pipe is provided with an injection pipe air hole (212).
7. The burner air inlet system for the kitchen range as claimed in claim 1, wherein said injection pipe is provided with a damper plate (211) with adjustable opening.
8. Burner air inlet system for hobs according to claim 7, characterized in that said nozzle penetrates said air flap (211) and the distance of said nozzle penetrating into said ejector tube is 1mm-5 mm.
9. Burner air inlet system for hobs according to claim 1, characterized in that on said air inlet valve (100) one or more valve switches are provided.
10. Burner air inlet system for hobs according to claim 9, characterized in that the number of valve switches equals the number of nozzles, each valve switch controlling one nozzle independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763167.9A CN111853859A (en) | 2020-07-31 | 2020-07-31 | Combustor air inlet system for kitchen range |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763167.9A CN111853859A (en) | 2020-07-31 | 2020-07-31 | Combustor air inlet system for kitchen range |
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| CN111853859A true CN111853859A (en) | 2020-10-30 |
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| CN202010763167.9A Pending CN111853859A (en) | 2020-07-31 | 2020-07-31 | Combustor air inlet system for kitchen range |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405128A (en) * | 2021-05-11 | 2021-09-17 | 广东美的白色家电技术创新中心有限公司 | Fire control method of stove and stove |
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| JP2005207668A (en) * | 2004-01-22 | 2005-08-04 | Rinnai Corp | Gas cooking stove |
| CN102454991A (en) * | 2010-10-20 | 2012-05-16 | 樱花卫厨（中国）股份有限公司 | Dense-lean combustion burner for stove |
| CN104421941A (en) * | 2013-08-30 | 2015-03-18 | 广东美的厨房电器制造有限公司 | Fuel gas nozzle for gas stove and gas stove with fuel gas nozzle |
| CN104676591A (en) * | 2014-06-17 | 2015-06-03 | 广东美的厨房电器制造有限公司 | Burner and gas stove with same |
| CN204880113U (en) * | 2015-08-27 | 2015-12-16 | 宁波市天马厨具有限公司 | Subassembly of gas -cooker |
| CN108006632A (en) * | 2016-11-25 | 2018-05-08 | 芜湖美的厨卫电器制造有限公司 | Burner and there is its gas heater |
| CN108916869A (en) * | 2018-08-28 | 2018-11-30 | 广东万家乐厨房科技有限公司 | A kind of efficient cooker burner and gas-cooker |
| CN110848686A (en) * | 2019-12-17 | 2020-02-28 | 浙江惠厨节能科技有限公司 | Burner for outputting dense and light premixed gas by using small fire hole and conical tubular fire hole |
| CN212565884U (en) * | 2020-07-31 | 2021-02-19 | 广东万和电气有限公司 | Combustor air inlet system for kitchen range |
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2020
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| CN102454991A (en) * | 2010-10-20 | 2012-05-16 | 樱花卫厨（中国）股份有限公司 | Dense-lean combustion burner for stove |
| CN104421941A (en) * | 2013-08-30 | 2015-03-18 | 广东美的厨房电器制造有限公司 | Fuel gas nozzle for gas stove and gas stove with fuel gas nozzle |
| CN104676591A (en) * | 2014-06-17 | 2015-06-03 | 广东美的厨房电器制造有限公司 | Burner and gas stove with same |
| CN204880113U (en) * | 2015-08-27 | 2015-12-16 | 宁波市天马厨具有限公司 | Subassembly of gas -cooker |
| CN108006632A (en) * | 2016-11-25 | 2018-05-08 | 芜湖美的厨卫电器制造有限公司 | Burner and there is its gas heater |
| CN108916869A (en) * | 2018-08-28 | 2018-11-30 | 广东万家乐厨房科技有限公司 | A kind of efficient cooker burner and gas-cooker |
| CN110848686A (en) * | 2019-12-17 | 2020-02-28 | 浙江惠厨节能科技有限公司 | Burner for outputting dense and light premixed gas by using small fire hole and conical tubular fire hole |
| CN212565884U (en) * | 2020-07-31 | 2021-02-19 | 广东万和电气有限公司 | Combustor air inlet system for kitchen range |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405128A (en) * | 2021-05-11 | 2021-09-17 | 广东美的白色家电技术创新中心有限公司 | Fire control method of stove and stove |
| CN113405128B (en) * | 2021-05-11 | 2023-06-16 | 广东美的白色家电技术创新中心有限公司 | Fire control method of kitchen range and kitchen range |
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