CN210153791U

CN210153791U - Combustor and furnace end thereof

Info

Publication number: CN210153791U
Application number: CN201921049925.XU
Authority: CN
Inventors: 林梦; 刘小文; 余悦泳; 陈少波
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-03-17
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a combustor and furnace end thereof, furnace end (1) include circular shape furnace end body (11) and radially span the center of furnace end body (11) draws and penetrates pipe (12), furnace end body (11) draw and penetrate pipe (12) including the annular inner ring that is of position placed in the middle, the center draws and penetrates pipe (12) and stretch into for the straight tube that has the horizontal tube chamber and from the horizontal side direction inner ring distribution air flue (111). The utility model discloses an among the furnace end, owing to cancelled the setting as ascending mixing chamber, can make the combustion performance of this a furnace end for combustor better, can also attenuate the whole height of this furnace end effectively simultaneously, be favorable to miniaturization, the frivolous design of product, the structure is more novel, compact and pleasing to the eye.

Description

Combustor and furnace end thereof

Technical Field

The utility model relates to a domestic kitchen cooking utensils field specifically relates to a combustor and furnace end thereof.

Background

Burners are one of the most important components in cooktops. At present, the existing complete upper air inlet burner is complex in structure and heavy in appearance, a gas air passage arranged in a burner head of the burner is complex, the combustion efficiency is low, and a plurality of problems exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a compact furnace end for combustor of appearance is frivolous, inner ring gas air flue design.

In order to achieve the above object, the utility model provides a furnace end for combustor, the furnace end includes the circular shape furnace end body and radially spanes the pipe is drawn to the center of furnace end body, the furnace end body draws the annular inner ring distribution air flue including the position placed in the middle that is, the center draws the straight tube of penetrating the pipe for having horizontal lumen and stretches into from the horizontal side direction the inner ring distribution air flue.

In some embodiments, the burner body includes an inner ring seat, the inner ring seat includes an inner ring seat inner peripheral wall, an inner ring seat outer peripheral wall, and the inner ring distribution air passage formed between the inner ring seat inner peripheral wall and the inner ring seat outer peripheral wall, and the air flow outlet end of the central injection pipe is connected to a middle portion of the inner ring seat outer peripheral wall in the height direction.

In some embodiments, the central axis of the central ejector tube coincides with a midpoint of the height of the outer peripheral wall of the inner annular seat.

In some embodiments, the top surface of the bottom wall of the inner ring distribution air flue is formed into a smooth climbing slope gradually rising from the airflow outlet position of the central ejector pipe to two circumferential sides.

In some embodiments, the burner body includes an outer annular seat concentrically disposed with the inner annular seat, and the central ejector tube is cantilevered inwardly from the outer annular seat.

In some embodiments, the furnace end further comprises an outer injection pipe arranged on two sides of the central injection pipe and arranged in parallel at intervals, the outer ring seat comprises an outer ring seat inner peripheral wall, an outer ring seat outer peripheral wall and an outer ring distribution air passage formed between the outer ring seat inner peripheral wall and the outer ring seat outer peripheral wall, the outer ring distribution air passage is in an annular groove shape and is provided with a top annular opening, the outer injection pipe extends out horizontally from the outer ring seat inner peripheral wall, and an outlet of the outer injection pipe is communicated with the outer ring distribution air passage horizontally.

In some embodiments, the outer injection pipes are symmetrically arranged on two sides of the central injection pipe and extend in a direction opposite to that of the central injection pipe.

In some embodiments, the burner is a one-piece molding.

Additionally, the utility model discloses still pass through a combustor, the combustor includes the aforesaid be used for the furnace end of combustor.

In some embodiments, the burner body includes an outer ring seat, an annular grid disc, and an inner ring seat, which are concentrically arranged, the annular grid disc is embedded in an annular space between the outer ring seat and the inner ring seat and includes a plurality of grid plates, a grid groove is formed between adjacent grid plates, and the annular grid disc is supported on the central injection pipe.

Through above-mentioned technical scheme, because the center draws and penetrates the mode that pipe and inner ring distribution air flue adopted "with the latitude" design, promptly after gas draws the pipe through the center and flows out, can directly flow out from the play fire hole of inner ring fire lid from horizontal side direction through inner ring distribution air flue, the setting of mixing chamber has been reduced at least, in order to avoid gas air-fuel mixture to rise to the process of inner ring distribution air flue through mixing chamber and right angle formula of turning, the energy loss of gas air-fuel mixture in the bend has been reduced, can make this a combustion performance for the furnace end of combustor better. Meanwhile, the arrangement of a rising mixing chamber is omitted, so that the whole height of the furnace end can be effectively reduced, the miniaturization and light and thin design of a product is facilitated, and the structure is more novel, compact and attractive.

Other features and advantages of the present invention will be described in detail 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 burner head for a burner according to an embodiment of the present invention;

fig. 2 is a top view of a burner head for a burner according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view B-B of FIG. 2;

FIG. 4 is a perspective view of an annular grating disk;

FIG. 5 is a top view of a burner according to an embodiment of the present invention;

FIG. 6 is a front view of a burner according to an embodiment of the present invention; and

fig. 7 is a sectional view a-a in fig. 5.

Description of the reference numerals

1 furnace end 2 nozzle holder

11 central injection pipe of furnace end body 12

13 outer injection pipe

111 inner ring distribution air duct 112 inner ring seat

113 outer ring seat 114 ring grid disc

112a inner circumferential wall 112b inner circumferential wall

113a outer ring seat inner peripheral wall 113b outer ring seat outer peripheral wall

113c outer annular distribution airway 113d

114a grid plate 114b grid grooves

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

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

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order 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 reference 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, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the furnace end of current combustor, the gas can draw the pipe through the center in proper order and reachs the furnace end body that communicates this center and draw the pipe to behind the mixing chamber that sets up in the furnace end body, then reach the inner ring distribution air flue of inner ring seat, finally flow out from the play fire hole of inner ring fire lid, in order in time to give inner ring flame air feed. Therefore, the gas path for the gas to flow is longer, and the number of the gas passing through the curve (especially the right-angle curve) is more, so that the gas flow resistance is overlarge, and the combustion efficiency is lower.

The utility model provides a novel furnace end for combustor, it is shown with reference to fig. 1 to fig. 3, this furnace end 1 includes that circular shape furnace end body 11 draws and penetrates pipe 12 with drawing along radially stretching over the center of furnace end body 11, and furnace end body 11 draws pipe 12 and draws and stretch into inner ring distribution air flue 111 for the straight tube that has the horizontal lumen and from the horizontal side direction including the annular inner ring distribution air flue 111 that is of position placed in the middle, center.

It is thus clear that the utility model discloses an in furnace end 1 for combustor, the center is drawn and is penetrated pipe 12 and inner ring distribution air flue 111 "with the latitude" design, draw through the center when the gas promptly and penetrate pipe 12 and flow out the back, can directly flow out from the fire hole of inner ring fire lid from horizontal side direction through inner ring distribution air flue 111, the setting of mixing chamber has been reduced at least, in order to avoid gas air mixture to rise to inner ring distribution air flue 111's process through mixing chamber and right angle formula of turning, the energy loss of gas air mixture in the bend has been reduced, can make this a combustion performance of furnace end 1 for combustor better. Meanwhile, the arrangement of a rising mixing chamber is omitted, so that the whole height of the furnace end 1 can be effectively reduced, the miniaturization and light and thin design of a product is facilitated, and the structure is novel, compact and attractive.

Specifically, referring to fig. 3, the burner body 11 includes an inner annular seat 112, the inner annular seat 112 includes an inner annular seat inner peripheral wall 112a, an inner annular seat outer peripheral wall 112b, and an inner annular distribution air passage 111 formed between the inner annular seat inner peripheral wall 112a and the inner annular seat outer peripheral wall 112b, and the air flow outlet end of the central ejector tube 12 is connected to the middle portion of the inner annular seat outer peripheral wall 112b in the height direction. Therefore, the central injection pipe 12 is designed to move upwards, so that the gas flue in the inner ring seat 112 is shorter and more compact, and finally the effective height of the burner 1 can be reduced.

Further, the central axis of the central injection pipe 12 can coincide with the height midpoint of the outer circumferential wall 112b of the inner ring seat, so that the central injection pipe 12 and the inner ring distribution air passage 111 form a design of the same latitude, when the gas mixture flows out from the gas outlet of the central injection pipe 12, the gas mixture can directly flow out from the annular inner ring distribution air passage 111, and the kinetic energy loss of the gas mixture is smaller.

Optionally, the top surface of the bottom wall of the inner ring distribution air flue 111 is formed into a smooth climbing slope which gradually rises from the airflow outlet position of the central injection pipe 12 to two circumferential sides, so that the flow resistance of the gas mixture can be reduced, and the combustion efficiency of the gas is higher. In addition, compared with the plane where the central axis of the central injection pipe 12 is parallel to the top surface of the bottom wall of the inner ring distribution air passage 111, the smooth climbing slope design can make the volume in the whole annular inner ring distribution air passage 111 smaller, thereby being beneficial to reducing the possibility of similar 'explosion' occurring in the inner ring distribution air passage 111 and improving the safety use performance of the product.

Generally, in the burner 1 for a burner of the present invention, the burner body 11 includes an outer annular seat 113 concentrically disposed with the inner annular seat 112, and the central injection pipe 12 is cantilevered inwardly from the outer annular seat 113. That is, compare in the bottom of current injection pipe setting at furnace end body 11, the center of this scheme is penetrated pipe 12 and is penetrated and span in outer ring seat 113, and the structure is more compact, and the appearance is more frivolous, pleasing to the eye.

In addition, referring to fig. 2 and 3, the burner 1 further includes outer injection pipes 13 disposed on two sides of the central injection pipe 12 and arranged in parallel and at intervals, the outer ring base 113 includes an outer ring base inner peripheral wall 113a, an outer ring base outer peripheral wall 113b and an outer ring distribution air passage 113c formed between the outer ring base inner peripheral wall 113a and the outer ring base outer peripheral wall 113b, the outer ring distribution air passage 113c is in a ring groove shape and is formed with a top ring opening 113d, the outer injection pipes 13 horizontally extend from the outer ring base inner peripheral wall 113a, and an outlet of the outer injection pipes 13 is horizontally communicated with the outer ring distribution air passage 113 c. Similarly, the design that the outer injection pipe 13 and the outer ring distribution air passage 113c are at the same latitude can reduce the overall height of the outer ring seat 113, and finally make the whole burner 1 thinner and smaller.

Wherein, draw the pipe 13 symmetrical arrangement in the center draw the both sides of expecting 12 and extending direction and the center draw the extending direction who penetrates pipe 12 opposite to can prevent that primary air from drawing to take place mutual negative pressure interference when drawing the pipe 13 or the center draws the expecting 12 outside the injection pipe, improve each and draw the admission capacity of expecting the primary air of pipe, improve combustion performance.

The utility model discloses an among the furnace end 1 for combustor, furnace end 1 can be integrated into one piece spare, and processing is simple, swift, low cost.

Additionally, the utility model provides a combustor, it is shown to refer to fig. 5 to fig. 7, and this combustor includes the aforesaid the utility model discloses a furnace end 1 for combustor, this furnace end 1 supports fixedly through nozzle block 2, has consequently also included all advantages of this furnace end 1, no longer gives unnecessary details.

The burner body 11 includes an outer ring base 113, an annular grating disk 114 (see fig. 4) and an inner ring base 112, which are concentrically arranged, the annular grating disk 114 is embedded in an annular space between the outer ring base 113 and the inner ring base 112 and includes a plurality of grating plates 114a, grating grooves 114b are formed between adjacent grating plates 114a, and the annular grating disk 114 is supported on the central ejector tube 12. The annular grating disc 114 can not only shield the annular space between the outer ring seat 113 and the inner ring seat 112, so that the appearance is attractive, but also can prevent sundries such as food during cooking from falling off, so that the cooking is convenient to clean, and the user experience and satisfaction are improved.

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 details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection 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. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a furnace end for combustor, its characterized in that, furnace end (1) draw including circular shape furnace end body (11) and radially span the center of furnace end body (11) draws and penetrates pipe (12), furnace end body (11) draw and penetrate pipe (111) including the annular inner ring that is of central position, the center draws and penetrates pipe (12) and stretch into for the straight tube that has the horizontal lumen and from horizontal side direction inner ring distribution air flue (111).

2. The burner for a burner of claim 1, wherein the burner body (11) includes an inner annular seat (112), the inner annular seat (112) includes an inner annular seat inner peripheral wall (112a), an inner annular seat outer peripheral wall (112b), and the inner annular distribution air passage (111) formed between the inner annular seat inner peripheral wall (112a) and the inner annular seat outer peripheral wall (112b), and the air flow outlet end of the central ejector tube (12) is connected to a middle portion of the inner annular seat outer peripheral wall (112b) in a height direction.

3. The burner for burners according to claim 2, characterized in that the central axis of said central ejector tube (12) coincides with the height midpoint of said inner peripheral seat wall (112 b).

4. The burner for a burner according to claim 2, wherein the top surface of the bottom wall of the inner annular distribution air duct (111) is formed as a smooth climbing slope gradually rising from the air flow outlet position of the central ejector tube (12) toward both circumferential sides.

5. The burner for a burner according to claim 2, characterized in that the burner body (11) comprises an outer annular seat (113) arranged concentrically to the inner annular seat (112), the central ejector tube (12) being cantilevered inwards from the outer annular seat (113).

6. The burner of claim 5, further comprising outer injection pipes (13) disposed on two sides of the central injection pipe (12) and spaced apart from each other in parallel, wherein the outer ring seat (113) includes an outer ring seat inner peripheral wall (113a), an outer ring seat outer peripheral wall (113b), and an outer ring distribution air passage (113c) formed between the outer ring seat inner peripheral wall (113a) and the outer ring seat outer peripheral wall (113b), the outer ring distribution air passage (113c) is in a shape of an annular groove and is formed with a top annular opening (113d), the outer injection pipes (13) horizontally extend from the outer ring seat inner peripheral wall (113a), and an outlet of the outer injection pipes (13) is horizontally communicated with the outer ring distribution air passage (113 c).

7. The burner for a burner according to claim 6, wherein the outer injection pipes (13) are symmetrically arranged on both sides of the central injection pipe (12) and extend in a direction opposite to the direction in which the central injection pipe (12) extends.

8. Burner for a burner according to claim 6, characterised in that the burner (1) is an integral piece.

9. A burner, characterized in that it comprises a burner (1) for a burner according to any one of claims 1 to 8.

10. The burner according to claim 9, characterized in that the burner body (11) comprises an outer annular seat (113), an annular grid disc (114) and an inner annular seat (112) which are concentrically arranged, the annular grid disc (114) is fitted in an annular space between the outer annular seat (113) and the inner annular seat (112) and comprises a plurality of grid plates (114a), grid grooves (114b) are formed between adjacent grid plates (114a), and the annular grid disc (114) is supported on the central ejector tube (12).