CN110542090B

CN110542090B - Burner with a burner head

Info

Publication number: CN110542090B
Application number: CN201910778766.5A
Authority: CN
Inventors: 李国�; 唐松茂; 张炳卫
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2021-06-01
Anticipated expiration: 2039-08-22
Also published as: CN110542090A

Abstract

The invention discloses a burner, which comprises a burner, wherein the burner comprises: the central ejector pipe, the outer ring ejector pipe, the inner ring seat and the outer ring seat. The inner ring seat is positioned in the center of the furnace end, and an inner distribution air passage communicated with the central injection pipe is arranged in the inner ring seat; the outer ring seat comprises an inner peripheral wall of the outer ring seat, an outer peripheral wall of the outer ring seat and an outer ring distribution air passage formed between the inner peripheral wall of the outer ring seat and the outer peripheral wall of the outer ring seat, and the outer ring injection pipe is communicated with the outer ring distribution air passage; the annular gap between the outer ring seat and the inner ring seat forms an axially-through furnace end perspective port, a radial through air passage which sequentially penetrates through the outer ring seat outer circumferential wall and the outer ring seat inner circumferential wall from outside to inside along the radial direction to communicate the furnace end perspective port is formed on the outer ring seat, and the annular groove bottom wall of the outer ring distribution air passage crosses the radial through air passage to form above the radial through air passage. In the burner, because of sufficient air supplement, the discharge amount of carbon monoxide is lower, the combustion efficiency is higher, the combustion is stable, and the problems of flame separation and flameout of the inner ring and the like are solved.

Description

Burner with a burner head

Technical Field

The invention relates to the field of cookers, in particular to a burner.

Background

At present, in the field of kitchen ranges, burners are of various kinds, wherein burner heads of the burners are also of various forms. In the existing integrated furnace end, a plurality of secondary air inlets are usually arranged on the furnace end, as shown in fig. 1, the secondary air inlet amount of the furnace end is limited, the arrangement of a gas flue is complex, the processing is complicated, and the combustion efficiency is low.

Disclosure of Invention

The invention aims to provide a burner which is simple in structure, excellent in performance and low in cost.

In order to achieve the above object, the present invention provides a burner, including an outer ring fire cover, an inner ring fire cover, and a burner head, the burner head including:

a central ejector tube;

an outer ring injection pipe;

the inner ring seat is positioned in the center of the furnace end, an inner distribution air passage communicated with the central injection pipe is arranged in the inner ring seat, and the inner ring fire cover covers the upper part of the inner distribution air passage; and

the outer ring base comprises an outer ring base inner peripheral wall, an outer ring base outer peripheral wall and an outer ring distribution air passage formed between the outer ring base inner peripheral wall and the outer ring base outer peripheral wall, the outer ring injection pipe is communicated with the outer ring distribution air passage, and the outer ring fire cover covers the outer ring distribution air passage;

wherein an annular gap between the outer ring seat and the inner ring seat forms an axially-through furnace end perspective port, a radial through air passage which sequentially penetrates through the outer ring seat outer circumferential wall and the outer ring seat inner circumferential wall from outside to inside along the radial direction to communicate the furnace end perspective port is formed on the outer ring seat, the annular groove bottom wall of the outer ring distribution air passage crosses the radial through air passage to form above the radial through air passage, the annular groove bottom wall comprises a first groove bottom wall part which extends from the outer ring ejector pipe interface part of the outer ring distribution air passage towards one side of the radial through air passage along the circumferential direction and a second groove bottom wall part which continues to extend from the first groove bottom wall part along the circumferential direction and crosses the radial through air passage, the outer ring ejector pipe interface part is positioned at the bottom of the outer ring seat, and the outer ring ejector pipe communicates with the outer ring distribution air passage along the tangential direction, first recess diapire portion and second recess diapire portion integrated into one piece and smooth transitional coupling, the top surface of first recess diapire portion with the top surface of second recess diapire portion all forms to climb slope along the slope of air current direction, the slope angle of inclination of first recess diapire portion is greater than the slope angle of inclination of second recess diapire portion, outer loop fire cover includes outer loop fire cover body and forms outer loop fire cover body periphery is followed and the annular cap eaves portion of outside extension, annular cap eaves portion interval shroud is in the top of radially running through the air flue is in order to make the air can converge better and follow radially run through the air flue and get into the furnace end.

In some embodiments, the radial through gas passage is formed with a peripheral wall arc-shaped opening on the outer peripheral seat peripheral wall, and a central angle of the peripheral wall arc-shaped opening is larger than a central angle of the first groove bottom wall portion and smaller than a central angle of the second groove bottom wall portion.

In some embodiments, the furnace end includes a plurality of radial through air passages, and the plurality of radial through air passages are respectively formed with a plurality of circumferential wall arc-shaped openings distributed at intervals in the circumferential direction on the outer circumferential wall of the outer ring seat.

In some embodiments, the central ejector pipe is communicated with the inner distribution air passage from the bottom of the inner ring seat along the radial direction of the outer ring seat, and the outer ring ejector pipe and the central ejector pipe are arranged in parallel at intervals.

In some embodiments, the burner further comprises a liquid pan disposed above the cooktop panel, the radial through-air ducts being disposed above the liquid pan.

Compared with the existing common furnace end, in the furnace end, the radial through air channel is communicated with the furnace end perspective port, so that air can enter through the air channel along the radial direction and then upwards supplement secondary air for the furnace end from the furnace end perspective port, or downwards supplement primary air for the furnace end from the furnace end perspective port; the below that radially link up the air flue setting and outer loop distribution air flue not only can make the air current of outer loop distribution air flue more smooth and easy, mix the gas more even, simultaneously, radially link up the air flue and as the inlet that mends of air, help promoting the secondary air of whole furnace end and the entering volume of primary air. Like this, owing to have the replenishment of sufficient air for the burning of the gas in the furnace end is more abundant, and the emission of carbon monoxide is lower, and combustion efficiency is higher, and the gas is when the burning simultaneously, and the regional air current of furnace end is stable, thereby the burning is also stable, has solved the inner ring and has left flame flameout scheduling problem.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of a conventional burner;

fig. 2 and 3 are perspective views of a furnace head according to an embodiment of the present invention;

FIG. 4 is a perspective view of a burner according to an embodiment of the present invention; and

fig. 5 is an exploded view of the assembly of a burner according to an embodiment of the present invention.

Description of the reference numerals

1 furnace end 2 outer ring fire cover

3 inner ring fire cover 4 liquid bearing disc

5 hearth panel 21 ring hat brim

11 center ejector pipe 12 outer ring ejector pipe

13 inner ring seat 14 outer ring seat

131 inner distributing air duct

15 furnace end perspective opening 143a ring groove bottom wall

143f outer ring draws and penetrates pipe connector portion 144a periphery wall arc mouth

141 outer ring seat outer peripheral wall 142 outer ring seat inner peripheral wall

143 outer ring distribution air passage 144 radial through air passage

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like are generally described with respect to the orientation shown in the drawings or the positional relationship of the components with respect to each other in the vertical, or gravitational direction.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

The present invention provides a novel burner, as shown in fig. 2 and 3, the burner 1 includes:

a central ejector tube 11;

an outer ring ejector tube 12;

the inner ring seat 13 is positioned in the center of the furnace end 1, and an inner distribution air passage 131 communicated with the central injection pipe 11 is arranged in the inner ring seat; and

the outer ring seat 14 comprises an outer ring seat inner peripheral wall 142, an outer ring seat outer peripheral wall 141 and an outer ring distribution air passage 143 formed between the outer ring seat inner peripheral wall 142 and the outer ring seat outer peripheral wall 141, and the outer ring injection pipe 12 is communicated with the outer ring distribution air passage 143;

an annular gap between the outer ring seat 14 and the inner ring seat 13 forms an axially-through furnace end perspective port 15, a radial through air passage 144 is formed on the outer ring seat 14 and sequentially penetrates through the outer ring seat peripheral wall 141 and the outer ring seat inner peripheral wall 142 from outside to inside along the radial direction to communicate with the furnace end perspective port 15, and an annular groove bottom wall 143a of the outer ring distribution air passage 143 is formed above the radial through air passage 144 by crossing the radial through air passage 144.

It can be seen that, compared with the existing common burner as shown in fig. 1, in the burner 1 of the present invention, the radial through air duct 144 is communicated with the burner perspective port 15, so that air can enter from the burner perspective port 15 along the radial through air duct 144 and supplement secondary air to the burner 1 upwards, or supplement primary air to the burner 1 downwards from the burner perspective port 15, and the radial through air duct 144 is disposed below the outer ring distribution air duct 143, which not only enables the air flow of the outer ring distribution air duct 143 to be smoother and more uniform in air mixing, but also enables the radial through air duct 144 to serve as a supplement port of air, which is helpful for increasing the entering amount of the secondary air and the primary air of the whole burner 1. Like this, owing to have the replenishment of sufficient air for the burning of the gas in furnace end 1 is more abundant, and the emission of carbon monoxide is lower, and combustion efficiency is higher, and the gas is when the burning simultaneously, and furnace end 1's regional air current is stable, thereby the burning is also stable, has solved the inner ring and has left flame flameout scheduling problem.

Referring to fig. 2 and 3, the circumferential groove bottom wall includes a first groove bottom wall portion extending circumferentially from the outer ring ejection pipe connecting portion 143f of the outer ring distribution air passage 143 toward the side of the radial through air passage 144, and a second groove bottom wall portion continuing circumferentially from the first groove bottom wall portion and passing over the radial through air passage 144.

In order to design and arrange the lengthened outer ring injection pipe 12, the interface of the outer ring injection pipe is positioned at the bottom of the outer ring seat 14, and the outer ring injection pipe 12 is communicated with the outer ring distribution air passage 143 along the tangential direction.

Optionally, the first groove bottom wall portion and the second groove bottom wall portion are integrally formed and are in smooth transition connection, the top surface of the first groove bottom wall portion and the top surface of the second groove bottom wall portion are both formed into inclined climbing surfaces along the airflow direction, and the slope inclination angle of the first groove bottom wall portion is larger than that of the second groove bottom wall portion. Generally, the radial through air passages 144 are arranged below the bottom wall portion of the second groove, and the bottom wall is a climbing outer ring distribution air passage 143, which helps to improve the uniformity of the mixed air of the burner 1.

In order to make the opening of the radial through air passage 144 sufficiently large, the radial through air passage 144 is formed with an outer peripheral wall arc-shaped opening 144a on the outer peripheral wall 141 of the outer ring seat, and the central angle of the outer peripheral wall arc-shaped opening 144a is larger than the central angle of the first groove bottom wall portion and smaller than the central angle of the second groove bottom wall portion.

When the number of the radial through air passages 144 is selectable, the burner 1 includes a plurality of radial through air passages 144, referring to fig. 2 and 3, the plurality of radial through air passages 144 are respectively formed with a plurality of peripheral wall arc-shaped openings 144a distributed at intervals in the circumferential direction on the peripheral wall 141 of the outer ring base.

In the burner 1 of the invention, the central injection pipe 11 is communicated with the inner distribution air passage 131 from the bottom of the inner ring seat 13 along the radial direction of the outer ring seat 14, and the outer ring injection pipe 12 and the central injection pipe 11 are arranged in parallel at intervals.

In addition, the invention also provides a burner, which is shown in fig. 4 and 5 and comprises an outer ring fire cover 2, an inner ring fire cover 3 and the furnace end 1, wherein the outer ring fire cover covers the outer ring distribution air flue 143, and the inner ring fire cover 3 covers the inner distribution air flue 131. The burner of the present invention includes the above burner 1, and therefore, includes all the advantages of the above burner 1, and is not described in detail.

Wherein, see that fig. 4 shows, the combustor still includes the liquid bearing disc 4 that sets up in top of the top of a kitchen range panel 5 top, radially link up air flue 144 and set up in the top of liquid bearing disc 4, and the design of liquid bearing disc 4 more is favorable to the holistic cleanness of being convenient for of combustor, radially link up air flue 144 simultaneously and set up in the top of liquid bearing disc 4, can not influence the air and get into furnace end 1 from radially link up air flue 144, and structural design is reasonable.

Optionally, the outer ring fire cover 2 comprises an outer ring fire cover body and an annular brim 21 formed on the outer periphery of the outer ring fire cover body and extending outwards, and the annular brim 21 is covered above the radial through air passage 144 at intervals. In this way, the design of the annular brim part 21 contributes to the wind guiding effect of the outer annular fire cover 2, so that air can be better gathered and enter the burner 1 from the radial through air passage 144.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., 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, schematic representations of the above terms 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.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. A burner, characterized in that, the burner includes outer ring fire lid, inner ring fire lid and furnace end, the furnace end includes:

a central ejector tube;

an outer ring injection pipe;

wherein an annular gap between the outer ring seat and the inner ring seat forms an axially-through furnace end perspective port, a radial through air passage which sequentially penetrates through the outer ring seat outer circumferential wall and the outer ring seat inner circumferential wall from outside to inside along the radial direction to communicate the furnace end perspective port is formed on the outer ring seat, the annular groove bottom wall of the outer ring distribution air passage crosses the radial through air passage to form above the radial through air passage, the annular groove bottom wall comprises a first groove bottom wall part which extends from the outer ring ejector pipe interface part of the outer ring distribution air passage towards one side of the radial through air passage along the circumferential direction and a second groove bottom wall part which continues to extend from the first groove bottom wall part along the circumferential direction and crosses the radial through air passage, the outer ring ejector pipe interface part is positioned at the bottom of the outer ring seat, and the outer ring ejector pipe communicates with the outer ring distribution air passage along the tangential direction, first recess diapire portion with wall portion integrated into one piece and smooth transitional coupling at the bottom of the second recess, the top surface of first recess diapire portion with the top surface of wall portion all forms to climb the slope along the slope of air current direction at the bottom of the second recess, the slope angle of inclination of wall portion at the bottom of the first recess is greater than the slope angle of inclination of wall portion at the bottom of the second recess, outer loop fire cover includes outer loop fire cover body and forms outer loop cap eaves portion that outer loop fire cover body periphery is followed and outside extension, the cap is covered at the interval of annular cap eaves portion the top of radially penetrating through the air flue is in order to make the air can converge better and follow radially penetrate the air flue and get into the furnace end.

2. The burner of claim 1, further comprising a drip pan disposed above a cooktop deck, the radial through-air ducts being disposed above the drip pan.

3. The burner according to claim 1, wherein the radial through gas passages are formed with an outer peripheral wall arc-shaped opening on the outer peripheral seat outer peripheral wall, a central angle of the outer peripheral wall arc-shaped opening being larger than a central angle of the first recess bottom wall portion and smaller than a central angle of the second recess bottom wall portion.

4. The burner of claim 1, wherein the burner includes a plurality of the radial through passages, and the plurality of radial through passages are respectively formed with a plurality of circumferentially spaced apart peripheral wall arc ports on the outer peripheral wall of the outer annular seat.

5. The burner of claim 1, wherein the central ejector tube is communicated with the inner distribution air passage from the bottom of the inner ring seat along the radial direction of the outer ring seat, and the outer ring ejector tube and the central ejector tube are arranged in parallel at intervals.