CN214700686U - Burner with a burner head - Google Patents

Abstract

The utility model discloses a combustor, including main fire hole and steady flame hole, the combustor still includes that first drawing penetrates pipe, second and draws and penetrate pipe, first air mixing chamber and second air mixing chamber, first drawing penetrates the pipe and passes through first air mixing chamber with main fire hole intercommunication, the second draws penetrates the pipe and passes through the second air mixing chamber with steady flame hole intercommunication, first air mixing chamber with the second air mixing chamber does not communicate each other. The utility model discloses a combustor is through the inlet channel independent setting with main flame vent and steady flame vent and correspond independent injection pipe, the air output that makes main flame vent and steady flame vent can both independently be adjusted, can make the user adjust the burning load and the flame vent intensity in main flame vent and the burning load and the flame vent intensity in steady flame vent respectively according to actual demand, make main flame vent have wider firepower control range under the circumstances that guarantees steady flame has the best steady flame effect, can adapt to different pan and culinary art demand.

Description

Burner with a burner head

The present application claims priority of the Chinese patent application CN 2021100282775 entitled "burner" at the application date of 1/8/2021. The present application refers to the above-mentioned chinese patent application in its entirety.

Technical Field

The utility model relates to a cooking utensils field specifically is to relate to a combustor.

Background

The existing burner is provided with a flame stabilizing hole besides a main fire hole, and the flame stabilizing hole is used for stabilizing flame of the main fire hole and keeping stable combustion of the flame. The main flame hole and the flame stabilizing hole are communicated to the same gas mixing chamber and are supplied with gas through the same injection pipe, when the gas outlet amount of the main flame hole needs to be adjusted and the gas inlet amount of the injection pipe is adjusted, the gas outlet amount of the flame stabilizing hole is certainly influenced, and because the size of the flame stabilizing hole is smaller than that of the main flame hole, if the combustion load of the main flame hole is improved, the flame stabilizing hole can be caused to generate flame leaving, and if the combustion load of the main flame hole is reduced, the flame stabilizing hole can be caused to generate backfire. The flame stabilizing function of the flame stabilizing hole cannot be realized no matter the flame stabilizing hole is away from the flame or is tempered, so that the adjusting range of the firepower of the main flame hole is greatly limited on the premise of ensuring stable combustion of the flame stabilizing hole and having the flame stabilizing function.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome among the prior art the firepower adjustable range in the main fire hole of combustor little, the not good defect of steady flame effect in steady flame hole, provide a combustor.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

the utility model provides a combustor, includes main fire hole and steady flame hole, the combustor still includes that first draws penetrates pipe, second and draws and penetrates pipe, first gas mixing chamber and second gas mixing chamber, first draw penetrates the pipe and passes through first gas mixing chamber with main fire hole intercommunication, the second draws penetrate the pipe pass through the second gas mixing chamber with steady flame hole intercommunication, first gas mixing chamber with the second gas mixing chamber is each other not communicated.

In this scheme, through the inlet channel independent setting with main flame vent and steady flame vent and correspond independent injection pipe, make the air output of main flame vent and steady flame vent can both independently adjust, when the air output of main flame vent is adjusted to needs and the air input of first injection pipe is adjusted, can not influence the air output of steady flame vent, just also can not make steady flame vent take place to leave flame or temper, and can adjust the burning load and the flame vent intensity of steady flame vent according to the burning load and the flame vent intensity of main flame vent, make the main flame vent have wider firepower control range under the circumstances that guarantees steady flame has the optimum steady flame effect, can adapt to different pans and culinary art demand.

Preferably, the burner includes a base, a first cover, and a second cover, the second cover is covered on the base, the base and the second cover enclose the second gas mixing chamber together, the first cover is covered on the base and located above the second cover, and the base, the first cover and the second cover enclose the first gas mixing chamber together.

In this scheme, adopt above-mentioned structure, simple structure, convenient processing.

Preferably, the second air mixing chamber is located in the inner area of the first air mixing chamber.

In this scheme, through locating the inside of first gas mixing chamber with the second gas mixing chamber, can reduce the combustor and occupy outside space, conveniently carry out spatial layout to other parts of combustor, increase pleasing to the eye.

Preferably, the main fire hole is arranged on the first gas mixing chamber, the flame stabilizing hole is arranged on the second gas mixing chamber, a flame stabilizing channel extending towards the main fire hole is arranged on the flame stabilizing hole, and the flame stabilizing channel is positioned in the main fire hole channel of the main fire hole.

In this scheme, in locating the main fire hole passageway in main fire hole with steady flame fire passageway, make area of contact greatly increased between steady flame and the main flame, simultaneously, can form the shear layer between steady flame and the main flame, the steady flame effect of reinforcing.

Preferably, the outlet of the flame holding flame channel is located in the main flame hole channel.

In this scheme, adopt above-mentioned structure, can make the outer flame of steady flame and the inner flame contact of main flame, the inner flame temperature of reinforcing main flame to, because the aperture of steady flame hole is less, easily blockked up by the foreign object, set up the export of steady flame fire passageway in main flame hole passageway, be favorable to preventing that debris when overflow liquid or cleanness get into in the steady flame hole and block up it.

Preferably, the flame holding fire channel is coaxially arranged with the main fire hole channel.

In this scheme, adopt above-mentioned structure, can make the steady flame fire wrap up by main flame completely, further increased the area of contact between steady flame fire and the main flame, reinforcing steady flame effect.

Preferably, the main fire hole is formed in the first cover body, and the flame stabilizing hole is formed in the second cover body.

In this scheme, establish main fire hole and steady flame hole on the lid, convenient processing.

Preferably, the first cover body comprises a lower end portion located below an axis of the main fire hole and an upper end portion located above the axis of the main fire hole, an inner diameter of the lower end portion is larger than an inner diameter of the upper end portion, and a projection of an outlet end of the flame stabilizing channel in a vertical direction is located between an inner wall surface of the lower end portion and an inner wall surface of the upper end portion.

In this scheme, adopt above-mentioned structure, can form an area of dodging at the lower tip of first lid, avoid first lid to touch steady flame fire passageway when the installation, the installation of the first lid of being convenient for.

Preferably, the base includes outer ring base plate and inner ring base plate, first gas mixing chamber with the sharing of second gas mixing chamber outer ring base plate and/or inner ring base plate, main flame vent with steady flame hole all locates outer ring base plate and/or on the inner ring base plate, steady flame hole is located the below of main flame hole.

In this scheme, adopt above-mentioned structure, need not to set up outstanding steady flame fire passageway on steady flame hole, reduce the processing degree of difficulty and processing cost.

Preferably, the combustor further comprises an inner ring fire cover and a third injection pipe, the inner ring fire cover is arranged in the inner side area of the first gas mixing chamber, and the third injection pipe is communicated with the inner ring fire cover.

In this scheme, through setting up the inner ring fire lid, increase the burning load and the flame coverage area of combustor.

Preferably, the main fire hole channel of the main fire hole and the flame stabilizing channel of the flame stabilizing hole are both arranged obliquely upwards along the air outlet direction.

In this scheme, adopt above-mentioned structure, can make out the fire direction and face the bottom of a boiler, reinforcing burning heating effect.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in: the utility model discloses a combustor is through the inlet channel independent setting with main flame vent and steady flame vent and corresponding independent drawing and penetrate the pipe, the air output that makes main flame vent and steady flame vent can both independently be adjusted, when the air output that needs adjusted main flame vent and when the air input that first draws the pipe is adjusted, can not influence the air output of steady flame vent, just also can not make steady flame vent take place from flame or backfire, and can adjust the burning load and the flame vent intensity of steady flame vent according to the burning load and the flame vent intensity of main flame vent, make main flame vent have wider firepower control range under the circumstances that guarantees steady flame has the optimum flame effect, can adapt to different pans and culinary art demand according to the burning load and the flame vent intensity of actual demand difference adjustment main flame vent.

Drawings

Fig. 1 is a schematic structural view of a burner in embodiment 1 of the present invention.

Fig. 2 is a schematic view of the internal structure of the burner of fig. 1.

Fig. 3 is a schematic view of the internal structure of the base of the burner of fig. 1.

Fig. 4 is a schematic structural view of a first cover of the burner of fig. 1.

Fig. 5 is a schematic structural view of a second cover of the burner of fig. 1.

Fig. 6 is a schematic cross-sectional view of the outer ring side of the burner in embodiment 2 of the present invention.

Description of reference numerals:

first injection pipe 1

Second injection pipe 2

Third ejector pipe 3

First cover 4

Upper end inner surface 41

Lower end inner side surface 42

Main fire hole 5

Base 6

Outer ring base plate 61

Inner ring base plate 62

Inner base plate 63

Inner ring fire cover 7

First air mixing chamber 8

Second cover 9

Second air mixing chamber 10

Flame stabilizing hole 11

A first gas inlet 12

A secondary gas inlet 13

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

Example 1

As shown in fig. 1 to 5, the burner of this embodiment includes a first injection pipe 1, a second injection pipe 2, a first gas mixing chamber 8 and a second gas mixing chamber 10, where the first gas mixing chamber 8 and the second gas mixing chamber 10 have a plurality of main fire holes 5 and a plurality of flame stabilizing holes 11, respectively. A plurality of main fire holes 5 and a plurality of flame stabilizing holes 11 are distributed along the circumferential direction of the first gas mixing chamber 8 and the circumferential direction of the second gas mixing chamber 10 respectively, and each main fire hole 5 corresponds to one flame stabilizing hole 11. The first injection pipe 1 is communicated with the main fire hole 5 through the first gas mixing chamber 8, the second injection pipe 2 is communicated with the flame stabilizing hole 11 through the second gas mixing chamber 10, and the first gas mixing chamber 8 is not communicated with the second gas mixing chamber 10.

Through the air inlet channel independent setting with main fire hole 5 and steady flame hole 11 and correspond independent injection pipe, make main fire hole 5 and steady flame hole 11's air output can both independently adjust, when the air output of main fire hole 5 is adjusted to needs and when the air input of first injection pipe 1 is adjusted, can not influence steady flame hole 11's air output, just can not make steady flame hole 11 take place from the flame or the tempering, and can adjust steady flame hole 11's combustion load and fire hole intensity according to main fire hole 5's combustion load and fire hole intensity, make main fire hole 5 have wider firepower control range under the circumstances that guarantees steady flame has the best steady flame effect according to actual demand difference adjustment of combustion load and fire hole intensity and steady flame hole 11's combustion load and fire hole intensity, can adapt to different pans and culinary art demands.

The burner comprises a base 6, a first cover body 4 and a second cover body 9, wherein the second cover body 9 is arranged on the base 6 in a covering mode, the base 6 and the second cover body 9 jointly enclose a second gas mixing chamber 10, the first cover body 4 is arranged on the base 6 in a covering mode and located above the second cover body 9, and the base 6, the first cover body 4 and the second cover body 9 jointly enclose a first gas mixing chamber 8.

As shown in fig. 2, in the present embodiment, there are two bases 6, namely, an inner base and an outer base, the inner base and the second cover 9 form a second air mixing chamber 10, and the outer base and the first cover 4 form a first air mixing chamber 8. The inner base and the outer base are independent of each other. In the present embodiment, the second air-mixing chamber 10 is located in the inner region of the first air-mixing chamber 8, i.e. both the inner base and the second cover 9 are located inside the cavity formed by the first cover 4 and the outer base.

Through locating second gas-mixing chamber 10 in first gas-mixing chamber 8's inside, can reduce the combustor and occupy outside space, conveniently carry out spatial layout to other parts of combustor, increase pleasing to the eye.

Of course, in other embodiments, the second air mixing chamber 10 may be disposed outside the cavity formed by the first cover 4 and the external base, for example, the second air mixing chamber 10 is located below the first air mixing chamber 8, and other disposing manners are not described herein.

Referring to fig. 1, 2, 4 and 5 again, the main fire hole 5 is disposed on the first cover 4 of the first air mixing chamber 8, the flame stabilizing hole 11 is disposed on the second cover 9 of the second air mixing chamber 10, and the main fire hole 5 and the flame stabilizing hole 11 are disposed on the covers, so as to facilitate processing. The flame stabilizing hole 11 is provided with a flame stabilizing channel extending towards the main fire hole 5, and the flame stabilizing channel is positioned in the main fire hole channel of the main fire hole 5. The flame stabilizing channel is arranged in the main flame hole channel of the main flame hole 5, so that the contact area between the flame stabilizing channel and the main flame is greatly increased, and meanwhile, a shear layer can be formed between the flame stabilizing channel and the main flame, and the flame stabilizing effect is enhanced.

Of course, in other embodiments, the main fire hole 5 and the flame stabilizing hole 11 may be disposed at other positions of the first air mixing chamber 8 and the second air mixing chamber 10, respectively, for example, the main fire hole 5 is disposed on the base plate of the outer base, and the flame stabilizing hole 11 is disposed on the base plate of the inner base.

Alternatively, in other embodiments, the first cover 4 and the base plate of the external base are correspondingly provided with open slots, and when the first cover 4 covers the external base, the two corresponding open slots form the main fire hole 5. Correspondingly, open slots can be correspondingly arranged on the base plates of the second cover body 9 and the internal base, and when the second cover body 9 covers the internal base, the two corresponding open slots form a flame stabilizing hole 11.

As shown in fig. 2, the outlet of the flame holding flame path is located in the main flame hole path. Adopt above-mentioned structure, can make the outer flame of steady flame and the contact of the inner flame of main flame, the inner flame temperature of reinforcing main flame to, because the aperture of steady flame hole 11 is less, easily blockked up by the foreign object, set up the export of steady flame fire passageway in main flame hole passageway, be favorable to preventing that debris when overflow or clean get into in the steady flame hole 11 and block up it.

In other embodiments, the outlet of the flame holding flame channel may also extend beyond the outer opening of the main fire hole channel, but not too far, or the flame holding function may not be achieved.

Of course, in other embodiments, the main flame hole channel may be located inside the flame holding flame channel of the flame holding holes 11.

In this embodiment, the flame holding flame path is disposed coaxially with the main fire hole path. By adopting the structure, the flame stabilizing fire can be completely wrapped by the main flame, the contact area between the flame stabilizing fire and the main flame is further increased, and the flame stabilizing effect is enhanced.

The first cover body 4 comprises a lower end part positioned below the axis of the main fire hole 5 and an upper end part positioned above the axis of the main fire hole 5, the inner diameter of the lower end part is larger than that of the upper end part, and the projection of the outlet end of the flame stabilizing channel in the vertical direction is positioned between the inner wall surface of the lower end part and the inner wall surface of the upper end part.

Referring to fig. 2 and 4 again, the inner side surface 42 of the lower end of the first cover 4 is located outside the inner side surface 41 of the upper end, so that the lower end of the first cover 4 forms an avoidance area, which can prevent the first cover 4 from touching the flame-stabilizing channel during installation, and is convenient for installing the first cover 4.

As shown in fig. 1-2, the burner of this embodiment further includes an inner ring fire cover 7 and a third injection pipe 3, the inner ring fire cover 7 is disposed in an inner side region of the first gas mixing chamber 8, and the third injection pipe 3 is communicated with the inner ring fire cover 7. By arranging the inner ring fire cover 7, the combustion load and the flame coverage area of the combustor are increased.

In the present embodiment, the main fire hole passages of the main fire holes 5 and the flame holding fire passages of the flame holding holes 11 are both disposed obliquely upward in the air outlet direction. By adopting the structure, the fire outlet direction faces to the bottom of the pot, and the combustion heating effect is enhanced.

Example 2

The present embodiment is substantially the same as the structure of the burner in embodiment 1, except that: as shown in fig. 6, which is a cross-sectional view of the outer ring side of the burner in this embodiment, the base 6 of the burner includes an outer ring base plate 61, an inner ring base plate 62, and an inner base plate 63, the outer ring base plate 61 and the inner ring base plate 62 are the same in height, the inner ring base plate 62 and the outer ring base plate 61 are concentrically disposed, and the inner base plate 63 is lower in height than the outer ring base plate 61 and the inner ring base plate 62, but is also concentrically disposed with the outer ring base plate 61. In this embodiment, the first air mixing chamber 8 and the second air mixing chamber 10 share the outer ring base plate 61, the main fire holes 5 and the flame stabilizing holes 11 are both provided on the outer ring base plate 61, and the flame stabilizing holes 11 are located below the main fire holes 5. The first gas mixing chamber 8 and the second gas mixing chamber 10 are respectively communicated with the gas outlets of the first injection pipe 1 and the second injection pipe 2 through a first fuel gas inlet 12 and a second fuel gas inlet 13. By adopting the structure, the protruded flame stabilizing channel does not need to be arranged on the flame stabilizing hole 11, and the processing difficulty and the processing cost are reduced.

Of course, in other embodiments, the first air mixing chamber 8 and the second air mixing chamber 10 share the inner ring base plate 62, and the main fire hole 5 and the flame stabilizing hole 11 are both provided on the inner ring base plate 62.

Or, in other embodiments, the inner base plate 63 is not provided, a protrusion is provided in the middle of the outer ring base plate and the inner ring base plate 62 for placing the second cover 9, the first gas mixing chamber 8 is located above the second gas mixing chamber 10, the first gas mixing chamber 8 and the second gas mixing chamber 10 share the outer ring base plate 61 and the inner ring base plate 62, and the main fire hole 5 and the flame stabilizing hole 11 are both provided on the outer ring base plate 61 and the inner ring base plate 62.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (11)

1. The utility model provides a combustor, includes main fire hole and steady flame hole, its characterized in that, the combustor still draws to penetrate pipe, second to draw penetrates pipe, first gas mixing chamber and second gas mixing chamber including first drawing, first drawing penetrate the pipe pass through first gas mixing chamber with main fire hole intercommunication, the second draws penetrate the pipe pass through the second gas mixing chamber with steady flame hole intercommunication, first gas mixing chamber with the second gas mixing chamber does not communicate each other.

2. The burner of claim 1, wherein the burner comprises a base, a first cover, and a second cover, the second cover is disposed on the base, the base and the second cover together enclose the second gas mixing chamber, the first cover is disposed on the base and located above the second cover, and the base, the first cover and the second cover together enclose the first gas mixing chamber.

3. The burner of claim 2, wherein the second plenum is located in an inner region of the first plenum.

4. The burner of claim 3, wherein the main fire hole is formed in the first gas mixing chamber, the flame stabilizing hole is formed in the second gas mixing chamber, a flame stabilizing channel extending towards the main fire hole is formed in the flame stabilizing hole, and the flame stabilizing channel is located in the main fire hole channel of the main fire hole.

5. The burner of claim 4, wherein the outlet of the flame holding flame channel is located within the main fire hole channel.

6. The burner of claim 4, wherein the flame stabilizing passage is disposed coaxially with the main fire hole passage.

7. The burner of claim 4, wherein the main fire hole is formed in the first cover, and the flame stabilizing hole is formed in the second cover.

8. The burner of claim 7, wherein the first cover includes a lower end portion located below the axis of the main fire hole and an upper end portion located above the axis of the main fire hole, the lower end portion has an inner diameter larger than that of the upper end portion, and a projection of the outlet end of the flame holding fire channel in a vertical direction is located between an inner wall surface of the lower end portion and an inner wall surface of the upper end portion.

9. The burner of claim 2, wherein the base comprises an outer ring base plate and an inner ring base plate, the first plenum and the second plenum share the outer ring base plate and/or the inner ring base plate, the main flame holes and the flame stabilizing holes are both disposed on the outer ring base plate and/or the inner ring base plate, and the flame stabilizing holes are located below the main flame holes.

10. The burner of claim 1, further comprising an inner ring fire cover and a third ejector tube, wherein the inner ring fire cover is arranged in an inner area of the first gas mixing chamber, and the third ejector tube is communicated with the inner ring fire cover.

11. The burner of claim 1, wherein the main fire hole passages of the main fire holes and the flame holding fire passages of the flame holding holes are both disposed obliquely upward in the gas outlet direction.

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