CN114440266A - Burner and gas stove - Google Patents

Abstract

The application belongs to the technical field of electrical appliances, and particularly relates to a combustor and a gas stove. This combustor is including dividing the gas spare, inner ring fire lid and outer loop fire lid, wherein, divide the gas spare to be equipped with the guiding gutter, gas channel and ventilate the chamber, ventilate the one end in chamber and the end intercommunication of giving vent to anger of gas channel, the guiding gutter communicates between gas channel and the chamber of ventilating, inner ring fire lid sets up on dividing the gas spare, and, the end intercommunication of giving vent to anger of the gas mixing chamber of inner ring fire lid and gas channel, outer loop fire lid sets up on dividing the gas spare, and, the gas mixing chamber of outer loop fire lid and the other end intercommunication in chamber of ventilating. This application can help the gas mixing chamber that the gas flow direction outer loop fire covered to the load of reducible inner ring fire lid to the air input of the gas of balanced inner ring fire lid and outer loop fire lid makes the burning more nearly abundant, with the reduction CO emission, has fine practicality.

Description

Burner and gas stove

Technical Field

The application belongs to the technical field of electrical appliances, and particularly relates to a combustor and a gas stove.

Background

The combustor divide into last air inlet combustor and lower air inlet combustor, and the injection ability of going up the air inlet combustor is more traditional lower air inlet structure than drawing the ability relatively poor. For the upper air inlet burner with the single nozzle, the gas flowing through the inner fire cover and the outer fire cover is difficult to distribute, and the gas outlet of the nozzle preferentially passes through the inner fire cover, so that the air inflow of the inner fire cover is too much, the air inflow of the outer fire cover is too little, the combustion is insufficient, and the CO discharge amount is increased.

Disclosure of Invention

In order to solve the technical problem, the application provides a combustor and gas-cooker, aims at solving at least to a certain extent and covers the air input too much in the inner ring fire among the prior art, and outer ring fire covers the air input too little, and the burning is insufficient, and the CO emission also will increase technical problem.

The technical scheme of the application is as follows:

in one aspect, the present application provides a burner, which is characterized in that the burner comprises:

the gas distributing piece is provided with a flow guide groove, a gas channel and a ventilation cavity, one end of the ventilation cavity is communicated with the gas outlet end of the gas channel, and the flow guide groove is communicated between the gas channel and the ventilation cavity;

the inner ring fire cover is arranged on the gas distribution piece, and a gas mixing cavity of the inner ring fire cover is communicated with a gas outlet end of the gas channel;

the outer ring fire cover is arranged on the air distribution piece, and the air mixing cavity of the outer ring fire cover is communicated with the other end of the ventilation cavity.

According to the combustor, the gas distributing part of the combustor comprises the gas channel and the ventilation cavity, the gas mixing cavity of the inner ring fire cover is communicated with the gas outlet end of the gas channel, one end of the ventilation cavity is communicated with the gas outlet end of the gas channel, and the gas mixing cavity of the outer ring fire cover is communicated with the other end of the ventilation cavity, so that gas can be conveyed through the gas channel, one part of the conveyed gas is firstly conveyed to the gas mixing cavity of the inner ring fire cover and is used for combustion of the inner ring fire cover, and the other part of the conveyed gas is conveyed to the gas mixing cavity of the outer ring fire cover through the ventilation cavity and is used for combustion of the outer ring fire cover; because the guiding gutter of gas distribution spare communicates between gas passageway and the chamber of ventilating, consequently, can increase the volume in chamber of ventilating, reduced the chamber pressure of giving vent to anger, can increase to a certain extent and draw the penetrating dynamics to help the gas to flow to the gas mixing chamber of outer loop fire lid, thereby the load of reducible inner ring fire lid, with the air input of the gas of balanced inner ring fire lid and outer loop fire lid, make the burning more nearly abundant, with the reduction CO emission, have fine practicality.

In some embodiments, the gas-distributing member comprises:

the inner ring air inlet portion, the inner ring air inlet portion is provided with along the axial gas passageway, the outer peripheral face interval of inner ring air inlet portion is provided with a plurality ofly the guiding gutter, the one end of gas passageway is the inlet end, and this inlet end is connected with the furnace end, can carry the gas of oil mixing primary air to gas passageway through the furnace end to discharge from the other end of gas passageway.

As the preferable scheme of the application, the ratio of the inner diameter of the annular area where the guide grooves are located to the diameter of the gas channel is larger than or equal to 1.5:1, so that a good injection effect is guaranteed.

In some embodiments, the inner ring air intake comprises:

the first cylinder is provided with a through gas channel along the axial direction;

the second barrel is connected to the outer peripheral surface of the first barrel, the top height of the second barrel is lower than that of the first barrel, and the diversion trench is formed from the top of the first barrel to the middle of the outer peripheral surface of the second barrel.

In some embodiments, a guide section corresponding to the guide groove is formed in the top of the first cylinder, the top of the guide section extends to be arranged in the middle of the top of the first cylinder, the bottom of the guide section extends to be arranged at the top of the corresponding guide groove, and the guide section is arranged to facilitate injection of fuel gas.

In some embodiments, the inner ring air intake further comprises:

the transition barrel is connected between the outer peripheral surface of the first barrel and the top of the second barrel, and the height of the top of the transition barrel is gradually lowered from inside to outside.

In some embodiments, the gas mixing cavity gap of the inner ring fire cover is arranged above the top of the inner ring gas inlet part, the inner ring fire cover and the outer ring fire cover are connected through a plurality of ventilation cavities, the ventilation cavities are arranged in the ventilation cavities, the diversion trench and the ventilation cavities are correspondingly arranged, and the diversion trench is arranged in the corresponding ventilation cavity of the ventilation cavity.

In some embodiments, the gas distribution member further comprises:

the supporting plates are arranged on the outer side of the circumferential surface of the inner ring air inlet portion at intervals, the bottom of each air cavity is open, the bottom of each air cavity is sealed through the corresponding supporting plate, and the air cavities and the corresponding supporting plates form the air cavities with two open ends.

In some embodiments, the gas distribution member further comprises:

the bounding wall is connected the global outside of inner ring air inlet portion, and is a plurality of the backup pad interval sets up on the global of bounding wall, the inner ring fire lid is supported on the bounding wall to realize the assembly of inner ring fire lid on dividing the gas piece.

In some embodiments, the gas mixing cavity of the outer ring fire cover is connected to a plurality of support plates so as to realize the assembly of the outer ring fire cover on the gas distributing piece.

In some embodiments, the outer side wall of the inner ring fire cover is provided with a plurality of first air vents at intervals; the inside wall interval of outer ring fire lid is provided with a plurality of second vents, and during secondary air accessible a plurality of first vents entered into the gas mixing chamber of inner ring fire lid to supply the burning of inner ring fire lid to use, entered into the gas mixing chamber of outer ring fire lid through a plurality of second vents, in order to supply the burning of outer ring fire lid to use.

On the other hand, the application also provides a gas stove which is characterized by comprising the burner.

The gas stove with the burner is beneficial to the gas mixing cavity of the outer ring fire cover, so that the load of the inner ring fire cover can be reduced, the gas inflow of the gas of the inner ring fire cover and the gas inflow of the gas of the outer ring fire cover can be balanced, the combustion is more approximate and sufficient, the CO discharge amount is reduced, and the gas stove has good practicability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

In the drawings:

FIG. 1 is a schematic structural view of a combustor according to an embodiment of the present application;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic top view of FIG. 1;

FIG. 4 is a schematic sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic structural view of the gas distributing member of FIG. 1;

FIG. 6 is a schematic view of the structure of FIG. 5 at another angle;

fig. 7 is a schematic structural view of the outer ring fire cover and the inner ring fire cover in fig. 1.

The gas distribution device comprises a gas distribution piece-100, a flow guide groove-101, a gas channel-102, a ventilation cavity-103, an inner ring gas inlet portion-104, a first cylinder-105, a second cylinder-106, a first side wall-107, a second side wall-108, a bottom wall-109, a guide section-110, a transition cylinder-111, a coaming-112, a first connecting hole-113, a connecting rib plate-114, a supporting plate-115, an ear plate-116, a second connecting hole-117, an inner ring fire cover-200, an inner ring cover plate-201, a first ventilation hole-202, an outer ring fire cover-300, a second ventilation hole-301, an outer ring cover plate-302, a ventilation cavity-500 and a second connecting column-400.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The application is described below with reference to specific embodiments in conjunction with the following drawings:

in the related technology, in a single-nozzle upper air inlet burner of a gas stove, a nozzle of an air distribution piece is communicated with an injection pipe of a burner of the gas stove, gas mixed with primary air is injected to the nozzle through the injection pipe of the burner, one part of the conveyed gas is conveyed to a gas mixing cavity of an inner ring fire cover for combustion of the inner ring fire cover, and the other part of the conveyed gas is conveyed to a gas mixing cavity of an outer ring fire cover for combustion of the outer ring fire cover. The gas of the interior outer fire lid of flowing through is difficult to distribute, and the nozzle is given vent to anger and is preferred through the inner ring fire lid to make inner ring fire lid air input too much, outer ring fire lid air input is too little, and the burning is insufficient, and the CO emission will also increase.

The embodiment of the application provides a combustor and gas-cooker, aims at solving at least to a certain extent among the prior art inner ring fire lid air input too much, and outer ring fire lid air input is too little, and the burning is insufficient, and the technical problem that CO emission will also increase.

Fig. 1 is a schematic structural view of a burner according to an embodiment of the present invention, fig. 2 is an exploded schematic view of fig. 1, fig. 3 is a schematic top view of fig. 1, fig. 4 is a schematic sectional view taken along a line a-a of fig. 3, and in combination with fig. 1 to 4, the burner according to the embodiment of the present invention includes a gas distributing member 100, an inner ring fire cover 200, and an outer ring fire cover 300.

With reference to fig. 1 to 4, the gas distributing member 100 according to the embodiment of the present application is provided with a diversion trench 101, a gas channel 102 and a ventilation cavity 103, one end of the ventilation cavity 103 is communicated with the gas outlet end of the gas channel 102, the diversion trench 101 is communicated between the gas channel 102 and the ventilation cavity 103, the inner ring fire cover 200 and the outer ring fire cover 300 are both disposed on the gas distributing member 100, the gas mixing cavity of the inner ring fire cover 200 is communicated with the gas outlet end of the gas channel 102, and the gas mixing cavity of the outer ring fire cover 300 is communicated with the other end of the ventilation cavity 103.

According to the burner provided by the embodiment of the application, the gas distributing part 100 of the burner comprises a gas channel 102 and a vent cavity 103, the gas mixing cavity of the inner ring fire cover 200 is communicated with the gas outlet end of the gas channel 102, one end of the vent cavity 103 is communicated with the gas outlet end of the gas channel 102, and the gas mixing cavity of the outer ring fire cover 300 is communicated with the other end of the vent cavity 103, so that gas can be conveyed through the gas channel 102, one part of the conveyed gas is conveyed to the gas mixing cavity of the inner ring fire cover 200 firstly for combustion of the inner ring fire cover 200, and the other part of the conveyed gas is conveyed to the gas mixing cavity of the outer ring fire cover 300 through the vent cavity 103 for combustion of the outer ring fire cover 300; because the guiding gutter 101 of gas distribution piece 100 communicates between gas passageway 102 and the chamber 103 of ventilating, consequently, can increase the volume of the chamber 103 of ventilating, the chamber 103 pressure of giving vent to anger has been reduced, can increase to a certain extent and draw the dynamics of penetrating, in order to help the gas to flow to the gas mixing chamber of outer ring fire lid 300, thereby reducible inner ring fire lid 200's load, in order to balance the air input of the gas of inner ring fire lid 200 and outer ring fire lid 300, make the burning more nearly abundant, in order to reduce the CO emission, and the gas distribution device has good practicality.

Fig. 5 is a schematic structural view of the gas distributing member according to the embodiment of the present application. Combine fig. 3, fig. 4 and fig. 5, the branch gas spare 100 of this application embodiment includes inner ring portion 104 of admitting air, and inner ring portion 104 of admitting air is promptly for above-mentioned nozzle, and inner ring portion 104 of admitting air is provided with gas passageway 102 along the axial, and the one end of gas passageway 102 is the inlet end, and this inlet end draws with the induction pipe connection of furnace end, draws the induction pipe through the furnace end can carry the gas that mixes the primary air to gas passageway 102 to discharge from the other end of gas passageway 102.

Referring to fig. 5, in the inner ring intake portion 104 of the embodiment of the present invention, a plurality of the above-described guide grooves 101 are provided at intervals on the outer circumferential surface. The preferred flow guide grooves 101 of this application embodiment are more than four, and the best equidistant arrangement of flow guide groove 101 along the outer peripheral face of inner ring portion of admitting air 104 of more than four to guarantee to have suitable injection dynamics, with the intake air quantity of the gas of balanced inner ring fire lid 200 and outer ring fire lid 300, make the burning more nearly abundant.

Further, in the embodiment of the present application, the ratio of the inner diameter of the annular region where each flow guide 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 flow guide groove 101 is related to the gas flow of the gas channel 102, the larger the gas flow is, the larger the required channel is, that is, the larger the required flow guide groove 101 is, only enough mixed gas can be ensured to flow through the flow guide groove 101, therefore, the ratio of the inner diameter of the annular region where each flow guide groove 101 is located to the diameter of the gas channel 102 is greater than or equal to 1.5:1 in the present application, so as to ensure the amount of gas flowing through the flow guide groove 101, which is beneficial to uniform mixing, and to ensure that a better injection effect is achieved.

With reference to fig. 2, 4, and 5, the inner ring air intake portion 104 according to the embodiment of the present invention includes a first cylinder 105 and a second cylinder 106, the first cylinder 105 is provided with a through gas passage 102 along an axial direction, the second cylinder 106 is connected to an outer circumferential surface of the first cylinder 105, a top height of the second cylinder 106 is lower than a top height of the first cylinder 105, and the guide groove 101 is opened from the top of the first cylinder 105 to a middle portion of the outer circumferential surface of the second cylinder 106.

Further, with reference to fig. 2, 4 and 5, in the embodiment of the present application, the guiding groove 101 includes a first side wall 107, two second side walls 108 and a bottom wall 109, where the two second side walls 108 are opened from the top of the inner ring air inlet 104 to the middle of the outer circumferential surface of the inner ring air inlet 104 along the axial direction of the inner ring air inlet 104, the first side wall 107 is the bottom of the two second side walls 108, and the bottom wall 109 is a portion between the two second side walls 108 of the outer circumferential surface of the inner ring air inlet 104, that is, the guiding groove 101 is in a shape of a top and an outer opening surrounded by the first side wall 107, the two second side walls 108 and the bottom wall 109.

With reference to fig. 2, 4 and 5, the top of the first cylinder 105 is provided with a guide tangent plane 110 corresponding to the guiding groove 101, the top of the guide tangent plane 110 extends to be disposed in the middle of the top of the first cylinder 105, the bottom of the guide tangent plane 110 extends to be disposed at the top of the corresponding guiding groove 101, and the arrangement of the guide tangent plane 110 can reduce the resistance of the gas flowing to the gas mixing cavity of the outer ring fire cover 300, thereby being more conducive to the injection of the gas.

With reference to fig. 2 and 5, the guide tangent plane 110 of the embodiment of the present application may be disposed corresponding to the guiding slot 101, and the guide tangent plane 110 is disposed on the upper portion of the corresponding guiding slot 101, so that the gas may enter the guiding slot 101 through the guide tangent plane 110, thereby further reducing the resistance of the gas flowing to the gas mixing cavity of the outer fire cover 300, and further facilitating the injection of the gas.

Further, fig. 2 and 4 are combined with fig. 5, the inner ring air inlet portion 104 may further include a transition cylinder 111, the transition cylinder 111 is connected between the outer circumferential surface of the first cylinder 105 and the top of the second cylinder 106, the height of the top of the transition cylinder 111 is gradually reduced from inside to outside, and the tops of the flow guide grooves 101 are disposed on the transition cylinder 111 at intervals.

With reference to fig. 4, in the embodiment of the present application, the gap of the gas mixing cavity of the inner ring fire cover 200 is disposed above the top of the inner ring air inlet 104, the gas flowing out from the gas outlet end of the gas channel 102 of the inner ring air inlet 104 can be partially distributed and injected into the gas mixing cavity of the inner ring fire cover 200, and the other part can flow out through the gap between the gas mixing cavity of the inner ring fire cover 200 and the top of the inner ring air inlet 104.

Further, with reference to fig. 2, 4 and 5, the gas distributor 100 of the embodiment of the present application further includes a surrounding plate 112, the surrounding plate 112 is connected to the outer side of the circumferential surface of the inner ring gas inlet 104, and the inner ring fire cover 200 may be supported on the surrounding plate 112 through a plurality of first connecting columns arranged at intervals, so as to achieve the assembly of the inner ring fire cover 200 on the gas distributor 100.

In the embodiment of the present application, the surrounding plate 112 may be integrally formed on the outer circumferential surface of the second cylinder 106 of the inner ring air inlet 104, the first connection column may be integrally formed at the bottom of the inner ring fire cover 200, and the bottom of the first connection column may be connected to the first connection hole 113 formed in the surrounding plate 112.

Further, fig. 6 is a schematic structural view of another angle in fig. 5, with reference to fig. 1, fig. 2, fig. 4, fig. 5, and fig. 6, a bottom of the first cylinder 105 of the inner ring air inlet portion 104 protrudes out of the shroud 112 for being connected with an injection pipe of the furnace end, a top of the second cylinder 106 and a top of the first cylinder 105 may be integrally formed, a bottom of the second cylinder 106 may be sequentially hollowed out from a bottom of the first cylinder 105, an inner side of a circumferential surface of the second cylinder 106 and an outer side of the circumferential surface of the first cylinder 105 may be connected by a plurality of connecting rib plates 114 arranged in a radiation manner, and a bottom wall 109 of the guiding groove 101 may protrude out of the inner side of the second cylinder 106 and extend to the outer side of the circumferential surface of the first cylinder 105, so that a space of the guiding groove 101 may be enlarged, which is more conducive to injection of the fuel gas.

Fig. 7 is a schematic structural diagram of the outer ring fire cover and the inner ring fire cover in fig. 1, and referring to fig. 2, fig. 4, fig. 5 and fig. 7, the inner ring fire cover 200 and the outer ring fire cover 300 are connected by a plurality of ventilation cavities 500, the ventilation cavities 103 are all arranged in the ventilation cavities 500, the diversion trench 101 and the ventilation cavities 500 are correspondingly arranged, and the diversion trench 101 is arranged in the ventilation cavity 103 of the corresponding ventilation cavity 500. The other part of the gas that flows out from the gas channel 102 of inner ring inlet portion 104's gas outlet end can be penetrated to the air mixing chamber of outer ring fire lid 300 through the ventilation chamber 103 of a plurality of ventilation cavity 500, because guiding gutter 101 sets up in the ventilation chamber 103 of the ventilation cavity 500 that corresponds, can increase the volume of ventilation chamber 103, ventilation chamber 103 pressure of giving vent to anger has been reduced, can increase to a certain extent and penetrate the dynamics, in order to help the gas to flow to the air mixing chamber of outer ring fire lid 300, thereby the load of reducible inner ring fire lid 200, in order to balance the air input of the gas of inner ring fire lid 200 and outer ring fire lid 300, make the burning more nearly abundant, in order to reduce the CO emission volume.

With reference to fig. 2, 4, 5 and 7, the air distributing member 100 of the embodiment of the present application further includes a plurality of supporting plates 115, the supporting plates 115 are disposed on the circumferential surface of the enclosing plate 112 at intervals, the bottom of each air cavity 500 is disposed to be open, the bottom of each air cavity 500 is sealed by the corresponding supporting plate 115, and the air cavity 500 and the corresponding supporting plate 115 form an air cavity 103 with two open ends.

In the embodiment of the present application, the supporting plate 115 needs to have a certain thickness, and the bottom of each ventilation cavity 500 is clamped at two sides of the corresponding supporting plate 115 in the width direction, so as to improve the connection tightness between the bottom of the ventilation cavity 500 and the corresponding supporting plate 115.

Further, referring to fig. 2, 4, 5 and 7, in the embodiment of the present application, the ear plates 116 are disposed on both sides of the outer end of each support plate 115 in the width direction, and the bottom of the air mixing chamber of the outer fire cover 300 can be fixed on the ear plates 116 through the second connecting column 400, so as to assemble the outer fire cover 300 on the air distributing member 100.

Specifically, the top of the second connecting column 400 may be integrally connected to the bottom of the air mixing chamber of the outer fire cover 300, and the second connecting column 400 may be connected to the second connecting hole 117 provided on the lug plate 116.

In the embodiment of the present application, each ear plate 116, each support plate 115, the shroud plate 112, and the inner ring air inlet portion of the air separating member 100 may be integrally formed, so that the air separating member 100 has sufficient strength and reliability.

With reference to fig. 7, a plurality of first air vents 202 are arranged at intervals on the outer side wall of the inner ring fire cover 200 according to the embodiment of the present application, and secondary air can enter the air mixing cavity of the inner ring fire cover through the plurality of first air vents 202 to be combusted by the inner ring fire cover 200; the inside wall interval of outer ring fire lid 300 is provided with a plurality of second vents 301, and secondary air accessible a plurality of second vents 301 enter into the air mixing chamber of outer ring fire lid 300 to supply the burning of outer ring fire lid 300 to use, in order to further improve the combustion efficiency of combustor. In addition, a plurality of fire holes are formed at intervals on the outer side wall of the outer ring fire cover 300 and the outer side wall of the inner ring fire cover 200 for forming flames.

In addition, with reference to fig. 1, 2 and 7, the inner ring fire cover 200 of the embodiment of the present application further includes an inner ring cover plate, the inner ring cover plate is detachably disposed on the top of the inner ring fire cover 200 and is located above the gas channel 101 to block gas discharged from the gas outlet end of the gas channel 101, so that the gas flows to the fire holes of the inner and outer fire covers 200 and the ventilation cavity 103, and the outer ring fire cover 300 also includes an outer ring cover plate 302, the outer ring cover plate 302 is detachably disposed on the top of the outer ring fire cover 300, so that the gas can flow to the fire holes of the outer ring fire cover 300, thereby facilitating the use of the burner.

Further, with reference to fig. 1, fig. 2 and fig. 7, in the embodiment of the present application, a plurality of first air vents 202 may be disposed on the top of the inner side wall of the inner ring fire cover 200, that is, the top of the first air vents 202 is open, and when the inner ring cover plate 201 covers the top of the inner ring fire cover 200, the top of the first air vents 202 may be sealed, so that the first air vents 202 form an air inlet channel penetrating along the radial direction of the inner ring fire cover 200; similarly, the second vent 301 may be disposed at the top of the inner sidewall of the outer ring fire cover 300, that is, the top of the second vent 301 is open, and when the outer ring cover plate 302 covers the top of the outer ring fire cover 300, the top of the second vent 301 may be sealed, so that the second vent 301 forms an air inlet channel penetrating along the radial direction of the outer ring fire cover 300.

It should be noted that the inner ring fire cover 200 and the outer ring fire cover 300 of the embodiment of the present application are connected by a plurality of ventilation cavities 500, and the three can be integrally formed, so as to improve the reliability of use.

Based on the combustor, the embodiment of the application also provides a gas stove, and the gas stove comprises the combustor, and the gas stove with the combustor helps the gas to flow to the gas mixing cavity of the outer ring fire cover 300, so that the load of the inner ring fire cover 200 can be reduced, the air inflow of the gas of the inner ring fire cover 200 and the gas of the outer ring fire cover 300 can be balanced, the combustion is more approximate and sufficient, the CO emission can be reduced, and the gas stove has good practicability.

Further, the gas-cooker of this application embodiment still includes the furnace end, and the induction pipe of furnace end and the gas channel 102's of combustor inlet end intercommunication to the induction pipe of accessible furnace end transports the gas that mixes with primary air to gas channel 102, and this is prior art, and this application embodiment does not describe here any more.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

In the description of the present application, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the present application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (12)

1. A burner, characterized in that it comprises:

the gas distributing piece is provided with a flow guide groove, a gas channel and a ventilation cavity, one end of the ventilation cavity is communicated with the gas outlet end of the gas channel, and the flow guide groove is communicated between the gas channel and the ventilation cavity;

the inner ring fire cover is arranged on the gas distribution piece, and a gas mixing cavity of the inner ring fire cover is communicated with a gas outlet end of the gas channel;

the outer ring fire cover is arranged on the air distribution piece, and the air mixing cavity of the outer ring fire cover is communicated with the other end of the ventilation cavity.

2. The burner of claim 1, wherein the gas distribution member comprises:

the inner ring air inlet portion is provided with the gas channel along the axial direction, and the outer peripheral face of the inner ring air inlet portion is provided with a plurality of diversion trenches at intervals.

3. The burner of claim 2, wherein the ratio of the inner diameter of the annular region in which the plurality of flow guide grooves are located to the diameter of the gas channel is greater than or equal to 1.5: 1.

4. The burner of claim 2, wherein the inner ring intake comprises:

the first cylinder is provided with a through gas channel along the axial direction;

the second barrel is connected to the outer peripheral surface of the first barrel, the top height of the second barrel is lower than that of the first barrel, and the diversion trench is formed from the top of the first barrel to the middle of the outer peripheral surface of the second barrel.

5. The burner of claim 4, wherein the top of the first barrel is provided with a guide section corresponding to the guide groove, the top of the guide section is extended to be arranged in the middle of the top of the first barrel, and the bottom of the guide section is extended to be arranged at the top of the corresponding guide groove.

6. The burner of claim 5, wherein the inner ring intake further comprises:

the transition barrel is connected between the outer peripheral surface of the first barrel and the top of the second barrel, and the height of the top of the transition barrel is gradually lowered from inside to outside.

7. The burner as claimed in any one of claims 2 to 6, wherein the gas mixing cavity gap of the inner fire cover is arranged above the top of the inner ring gas inlet part, the inner fire cover and the outer fire cover are connected through a plurality of vent cavities, the vent cavities are arranged in the vent cavities, the diversion trench and the vent cavities are correspondingly arranged, and the diversion trench is arranged in the corresponding vent cavity of the vent cavity.

8. The burner of claim 7, wherein the gas distributor further comprises:

the supporting plates are arranged on the outer side of the circumferential surface of the inner ring air inlet portion at intervals, the bottom of each air cavity is open, the bottom of each air cavity is sealed through the corresponding supporting plate, and the air cavities and the corresponding supporting plates form the air cavities with two open ends.

9. The burner of claim 8, wherein the gas distribution member further comprises:

the coaming is connected in the global outside of inner ring air inlet portion, and a plurality of the backup pad interval sets up on the global of coaming, the inner ring fire lid is supported on the coaming.

10. The burner of claim 8, wherein the gas mixing chamber of the outer ring fire cover is connected to a plurality of the support plates.

11. The burner of any one of claims 1-6 and 8-10, wherein the outer side wall of the inner ring fire cover is provided with a plurality of first air ports at intervals;

and a plurality of second vents are arranged at intervals on the inner side wall of the outer ring fire cover.

12. A gas burner characterized in that it comprises a burner according to any one of claims 1 to 11.

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