CN212132427U - Upper air inlet type combustor - Google Patents
Upper air inlet type combustor Download PDFInfo
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- CN212132427U CN212132427U CN202020548993.7U CN202020548993U CN212132427U CN 212132427 U CN212132427 U CN 212132427U CN 202020548993 U CN202020548993 U CN 202020548993U CN 212132427 U CN212132427 U CN 212132427U
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- outer ring
- air
- cavity
- air inlet
- premixing
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Abstract
An upper air inlet type combustor comprises a central fire cover, an outer ring fire cover, a distributor base, a furnace end, an ignition needle and a sensing needle, wherein the furnace end is provided with a cavity with an upper opening; the outer ring ejection pre-device is detachably matched with the furnace end; ignition needle and response needle are fixed respectively at the bottom plate of furnace end, and the ignition needle passes the ignition pinhole on first air chamber, the circular bedplate, and the response pinhole on second air chamber, the circular bedplate is passed to the response needle. The upper air inlet is realized, the distributor seat and the outer ring injection premixing device are convenient to disassemble and assemble with the furnace end, and the furnace end can be cleaned after disassembly.
Description
Technical Field
The utility model relates to a cooking utensils combustor, especially an go up air inlet formula cooking utensils combustor.
Background
In the prior art, an upper air inlet type burner comprises a central fire cover, an outer ring fire cover, a distributor base and a burner head, wherein the distributor base comprises a circular base plate, a central fire cover base arranged in the center of the upper surface, a central air inlet pipe communicated with the central fire cover base, an outer ring gas groove, an outer ring air inlet groove and an axial gas channel, the upper end of the axial gas channel is communicated with the outer ring gas groove, the lower end of the axial gas channel penetrates through the circular base plate to be communicated with the outer ring air inlet groove, and the outer ring gas groove and the circular base plate between two adjacent axial gas channels form a radial secondary air channel; the furnace end comprises a central fire cover, an outer ring gas groove, a central injection pipe and an outer ring injection pipe. There are problems in that: the upper air inlet can not be realized, and the cleaning is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the upper air inlet type burner is provided, which not only realizes upper air inlet, but also has the convenient disassembly and assembly of the distributor base.
The utility model discloses a realize like this: an upper air inlet type combustor comprises a central fire cover, an outer ring fire cover, a distributor seat, a furnace end, an ignition needle and an induction needle, wherein the distributor seat comprises a circular seat plate, the central fire cover seat arranged in the center of the upper surface, a central air inlet pipe communicated with the central fire cover seat, an outer ring gas groove and an axial gas channel, the upper end of the axial gas channel is communicated with the outer ring gas groove, and the lower end of the axial gas channel is communicated with the circular seat plate; the outer ring gas groove and the circular seat plate between two adjacent axial gas channels form a radial secondary air channel; it is characterized in that: the furnace end is provided with a cavity with an upper opening, and the upper part of the furnace end is provided with a circular base plate surrounding the furnace end; a central air inlet channel, a central air outlet seat, an outer ring air inlet channel, a first outer ring air outlet seat positioned in a second quadrant and a second outer ring air outlet seat positioned in a fourth quadrant are arranged on a bottom plate of the furnace end, the air outlet direction of the first outer ring air outlet seat faces forward, the air outlet direction of the second outer ring air outlet seat faces backward, the central air inlet channel is communicated with the central air outlet seat, and the outer ring air inlet channel is communicated with the first outer ring air outlet channel and the second outer ring air outlet channel; the central air outlet seat is provided with a central nozzle, and the first outer ring air outlet seat and the second outer ring air outlet seat are provided with outer ring nozzles;
the outer ring injection premixing device comprises an air inlet cavity positioned in the center, a first premixing cavity positioned in the front part, a first injection pipe communicated with the first premixing cavity, a first air cavity matched with the air inlet end of the first injection pipe, a second premixing cavity positioned in the rear part, a second injection pipe, a second air cavity matched with the air inlet end of the second injection pipe and a support frame plate arranged on the outer surfaces of the first premixing cavity and the second premixing cavity,
the upper opening ends of the first premixing cavity and the second premixing cavity are attached to the lower surface of the circular base plate, the outer ring injection pre-device is fixedly connected with the circular base plate, the lower end of the axial gas channel is communicated with the first premixing cavity and the second premixing cavity, and the lower end of the central gas inlet pipe is inserted into the upper end of the gas inlet and guide cavity; the outer ring injection premixing device is inserted into the furnace end, the upper end of the furnace end supports the step of the support frame plate, an outer ring nozzle on the first outer ring air outlet seat is opposite to the first injection pipe, a nozzle on the second outer ring air outlet seat is opposite to the second injection pipe, a gap between the circular seat plate and a flange of the furnace end is a horizontal primary air channel, and the outer ring injection premixing device is detachably matched with the furnace end; ignition needle and response needle are fixed respectively at the bottom plate of furnace end, and the ignition needle passes the ignition pinhole on first air chamber, the circular bedplate, and the response pinhole on response needle branch second air chamber, the circular bedplate.
The upper air inlet type burner is characterized in that: the central air inlet channel comprises a central air inlet longitudinal part and a central transverse part, and the central transverse part is communicated with the central air outlet seat;
the outer loop intake duct is including the vertical portion and the horizontal portion of admitting air, first outer loop air outlet seat and horizontal portion intercommunication, the outer loop of second air outlet seat and the vertical portion intercommunication of admitting air.
The upper air inlet type burner is characterized in that: the number of the axial gas channels is four, the circular seat plate is provided with a front gas guide groove and a rear gas guide groove, two ends of the front gas guide groove are communicated with the two axial gas channels at the front part, and the rear gas guide groove is communicated with the two axial gas channels at the rear part;
the front air guide groove is communicated with the first premixing cavity, and the rear air guide groove is communicated with the second premixing cavity.
The upper air inlet type burner is characterized in that: a second empty avoiding groove is formed in the bottom of the second premixing cavity and communicated with the first air cavity;
a first empty avoiding groove is formed in the bottom of the first premixing cavity and communicated with the second air cavity;
the second clearance groove is matched with the first outer ring air outlet seat, and the first clearance groove is matched with the second outer ring air outlet seat.
The upper air inlet type burner is characterized in that: the left side and the right side of the furnace end are respectively provided with a convex cavity which is convex from the outer surface to the inner surface;
grooves are formed in the two sides of the outer ring injection premixing device;
the convex cavity is matched with the groove.
The upper air inlet type burner is characterized in that: the upper end of the central air inlet pipe extends into the central fire cover.
The upper air inlet type burner is characterized in that: the outer ring injection premixing device comprises an upper body part and a bottom cover part,
the upper body part comprises an upper air inlet air guide cavity positioned in the center, a first premixing cavity positioned in the front part, an upper half first ejector pipe communicated with the first premixing cavity, a first air cavity matched with the air inlet end of the upper half first ejector pipe, a second premixing cavity positioned in the rear part, an upper half second ejector pipe, a second air cavity matched with the air inlet end of the upper half second ejector pipe and a support frame plate arranged on the outer surfaces of the first premixing cavity and the second premixing cavity,
the bottom cover part comprises a lower air inlet air guide cavity, a lower half first injection pipe and a lower half second injection pipe;
the upper air inlet air guide cavity is in butt joint with the lower air inlet air guide cavity, the upper half first injection pipe is buckled with the lower half first injection pipe, and the upper half second injection pipe is buckled with the lower half second injection pipe.
The utility model relates to an go up air inlet formula combustor owing to adopt such structure, realizes going up the air inlet, draws the premixing device with distributor seat and outer loop and draws together with furnace end easy dismounting, dismantles the back, can clean the furnace end.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is a view B-B of fig. 1.
Fig. 4 is a view C-C of fig. 2.
Fig. 5 is a perspective view of the furnace end of the present invention.
Fig. 6 is one of the perspective views of the outer ring injecting premixing device of the present invention.
Fig. 7 is a second perspective view of the outer ring injecting premixing device of the present invention.
Fig. 8 is one of exploded perspective views of the present invention.
Fig. 9 is a second exploded perspective view of the present invention.
Fig. 10 is a third exploded perspective view of the present invention.
Fig. 11 is a fourth exploded perspective view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, an upper air intake type burner comprises a central fire cover 1, an outer ring fire cover 2, a distributor base 3, a burner 4, an ignition needle 5 and an induction needle 6, wherein the distributor base 3 comprises a circular base plate 31, a central fire cover base 32 arranged at the center of the upper surface, a central air inlet pipe 33 communicated with the central fire cover base, an outer ring gas groove 34 and an axial gas channel 35, the upper end of the axial gas channel 35 is communicated with the outer ring gas groove 34, and the lower end of the axial gas channel 35 is communicated with the circular base plate 31; the outer ring gas groove 34 between two adjacent axial gas channels 35 and the circular seat plate 31 form a radial secondary air channel 36; the central fire cover 1 is buckled with the central fire cover seat 32, and the outer ring fire cover 2 is buckled with the outer ring gas groove 34.
The furnace end 4 is provided with a cavity with an upper opening, and the upper part of the furnace end 4 is provided with a circular base plate 41 surrounding the furnace end; a central air inlet channel 42, a central air outlet seat 421, an outer ring air inlet channel 43, a first outer ring air outlet seat 431 positioned in a second quadrant and a second outer ring air outlet seat 432 positioned in a fourth quadrant are arranged on a bottom plate of the burner 4, the air outlet direction of the first outer ring air outlet seat 431 faces forward, the air outlet direction of the second outer ring air outlet seat 432 faces backward, the central air inlet channel 42 is communicated with the central air outlet seat 421, and the outer ring air inlet channel 43 is communicated with the first outer ring air outlet seat 431 and the second outer ring air outlet seat 432; the central air outlet seat 421 is provided with a central nozzle, and the first outer ring air outlet seat 431 and the second outer ring air outlet seat 432 are provided with outer ring nozzles;
the outer ring injection premixing device 7 comprises an air inlet guide cavity 71 in the center, a first premixing cavity 721 in the front, a first injection pipe 721 communicated with the first premixing cavity, a first air cavity 723 matched with the air inlet end of the first injection pipe, a second premixing cavity 731 in the rear, a second injection pipe 732, a second air cavity 733 matched with the air inlet end of the second injection pipe and a support frame plate 74 arranged on the outer surfaces of the first premixing cavity 721 and the second premixing cavity 731,
the upper opening ends of the first premixing cavity 721 and the second premixing cavity 72 are attached to the lower surface of the circular seat plate 31, the outer ring injection pre-device 7 is fixedly connected with the circular seat plate 31, the lower end of the axial gas channel 35 is communicated with the first premixing cavity 721 and the second premixing cavity 731, and the lower end of the central gas inlet pipe 33 is inserted into the upper end of the gas inlet air guide cavity 71; the outer ring injection premixing device 7 is inserted into the furnace end 4, the upper end of the furnace end 7 supports the step of the support frame plate 74, an outer ring nozzle on the first outer ring air outlet seat 431 is opposite to the first injection pipe 722, a nozzle on the second outer ring air outlet seat 532 is opposite to the second injection pipe 732, a gap between the circular seat plate 31 and the flange 41 of the furnace end 4 is a horizontal primary air channel, and the outer ring injection premixing device 7 is detachably matched with the furnace end 4; the ignition needle and the induction needle are respectively fixed on a bottom plate of the furnace end, the ignition needle 5 penetrates through an ignition needle hole on the first air cavity 723 and the circular seat plate 31, and the induction needle 6 penetrates through an induction needle hole on the second air cavity 733 and the circular seat plate 31.
When the utility model is used, the upper end of the furnace end 4 passes through the through hole of the panel of the furnace or the liquid receiving disc and extends out of the bottom shell of the furnace, and the screw passes through the connecting hole on the panel of the furnace or the liquid receiving disc and is screwed with the circular ring-shaped seat plate 41 of the furnace end 4; indoor air at the upper part of the cooker panel or the liquid receiving disc enters the first air cavity 723 and the second air cavity 733 through a gap between the circular base plate 31 and the cooker panel or the liquid receiving disc; and the outer ring is used for injecting the inner part of the furnace end 4 at the lower part of the premixing device 7.
The upper end of the central air inlet pipe 33 extends into the central fire cover 1.
The central air inlet passage 42 comprises a central air inlet longitudinal portion 42A and a central transverse portion 42B, and the central transverse portion 42B is communicated with the central air outlet seat 421;
the outer ring inlet 43 includes an inlet longitudinal portion 43A and a transverse portion 43B, the first outer ring outlet 431 communicates with the transverse portion 43B, and the second outer ring outlet 432 communicates with the inlet longitudinal portion 43A.
The number of the axial gas channels 35 is four, the circular seat plate 31 is provided with a front gas guide groove 311 and a rear gas guide groove 312, two ends of the front gas guide groove 311 are communicated with the two axial gas channels 35 at the front part, and the rear gas guide groove 312 is communicated with the two axial gas channels 35 at the rear part;
leading air slot 311 communicates with first premix chamber 721 and trailing air slot 312 communicates with second premix chamber 731.
As a further improvement of the utility model: a second clearance groove 7311 is formed in the bottom of the second premixing cavity 731, and the second clearance groove 7311 is communicated with the first air cavity 723;
a first clearance groove 7211 is formed in the bottom of the first premixing cavity 721, and the first clearance groove 7211 is communicated with the second air cavity 733;
As shown in fig. 5, the left side and the right side of the burner 4 are respectively provided with a convex cavity 44 which is convex from the outer surface to the inner surface;
as shown in fig. 6 and 7, grooves 75 are formed on two sides of the outer ring injection premixing device 7;
the male cavity 44 and the female groove 75 cooperate.
As shown in fig. 10 and 11, the outer annular injection premixing device 7 includes an upper body portion 7A and a lower cover portion 7B,
the upper body part 7A comprises an upper air inlet air guide cavity 711 positioned in the center, a first premixing cavity 721 positioned in the front part, an upper half first ejector pipe 7221 communicated with the first premixing cavity, a first air cavity 723 matched with the air inlet end of the upper half first ejector pipe, a second premixing cavity 731 positioned in the rear part, an upper half second ejector pipe 7321, a second air cavity 733 matched with the air inlet end of the upper half second ejector pipe and a support frame plate 74 arranged on the outer surfaces of the first premixing cavity and the second premixing cavity,
the bottom cover part 7B comprises a lower air inlet air guide cavity 712, a lower half first ejector pipe 7222 and a lower half second ejector pipe 7322;
the upper air inlet air guide cavity 711 is in butt joint with the lower air inlet air guide cavity 712, the upper half first injection pipe 7221 is buckled with the lower half first injection pipe 7222, and the upper half second injection pipe 7321 is buckled with the lower half second injection pipe 7322.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (7)
1. An upper air inlet type combustor comprises a central fire cover, an outer ring fire cover, a distributor seat, a furnace end, an ignition needle and an induction needle, wherein the distributor seat comprises a circular seat plate, the central fire cover seat arranged in the center of the upper surface, a central air inlet pipe communicated with the central fire cover seat, an outer ring gas groove and an axial gas channel, the upper end of the axial gas channel is communicated with the outer ring gas groove, and the lower end of the axial gas channel is communicated with the circular seat plate; the outer ring gas groove and the circular seat plate between two adjacent axial gas channels form a radial secondary air channel; the method is characterized in that: the furnace end is provided with a cavity with an upper opening, and the upper part of the furnace end is provided with a circular base plate surrounding the furnace end; a central air inlet channel, a central air outlet seat, an outer ring air inlet channel, a first outer ring air outlet seat positioned in a second quadrant and a second outer ring air outlet seat positioned in a fourth quadrant are arranged on a bottom plate of the furnace end, the air outlet direction of the first outer ring air outlet seat faces forward, the air outlet direction of the second outer ring air outlet seat faces backward, the central air inlet channel is communicated with the central air outlet seat, and the outer ring air inlet channel is communicated with the first outer ring air outlet channel and the second outer ring air outlet channel; the central air outlet seat is provided with a central nozzle, and the first outer ring air outlet seat and the second outer ring air outlet seat are provided with outer ring nozzles;
the outer ring injection premixing device comprises an air inlet cavity positioned in the center, a first premixing cavity positioned in the front part, a first injection pipe communicated with the first premixing cavity, a first air cavity matched with the air inlet end of the first injection pipe, a second premixing cavity positioned in the rear part, a second injection pipe, a second air cavity matched with the air inlet end of the second injection pipe and a support frame plate arranged on the outer surfaces of the first premixing cavity and the second premixing cavity,
the upper opening ends of the first premixing cavity and the second premixing cavity are attached to the lower surface of the circular base plate, the outer ring injection pre-device is fixedly connected with the circular base plate, the lower end of the axial gas channel is communicated with the first premixing cavity and the second premixing cavity, and the lower end of the central gas inlet pipe is inserted into the upper end of the gas inlet and guide cavity; the outer ring injection premixing device is inserted into the furnace end, the upper end of the furnace end supports the step of the support frame plate, an outer ring nozzle on the first outer ring air outlet seat is opposite to the first injection pipe, a nozzle on the second outer ring air outlet seat is opposite to the second injection pipe, a gap between the circular seat plate and a flange of the furnace end is a horizontal primary air channel, and the outer ring injection premixing device is detachably matched with the furnace end; ignition needle and response needle are fixed respectively at the bottom plate of furnace end, and the ignition needle passes the ignition pinhole on first air chamber, the circular bedplate, and the response pinhole on second air chamber, the circular bedplate is passed to the response needle.
2. An upper intake air type burner as claimed in claim 1, wherein: the central air inlet channel comprises a central air inlet longitudinal part and a central transverse part, and the central transverse part is communicated with the central air outlet seat;
the outer loop intake duct is including the vertical portion and the horizontal portion of admitting air, first outer loop air outlet seat and horizontal portion intercommunication, the outer loop of second air outlet seat and the vertical portion intercommunication of admitting air.
3. An upper intake air type burner as claimed in claim 1, wherein: the number of the axial gas channels is four, the circular seat plate is provided with a front gas guide groove and a rear gas guide groove, two ends of the front gas guide groove are communicated with the two axial gas channels at the front part, and the rear gas guide groove is communicated with the two axial gas channels at the rear part;
the front air guide groove is communicated with the first premixing cavity, and the rear air guide groove is communicated with the second premixing cavity.
4. An upper intake air type burner as claimed in claim 1, wherein: a second empty avoiding groove is formed in the bottom of the second premixing cavity and communicated with the first air cavity;
a first empty avoiding groove is formed in the bottom of the first premixing cavity and communicated with the second air cavity;
the second clearance groove is matched with the first outer ring air outlet seat, and the first clearance groove is matched with the second outer ring air outlet seat.
5. An upper intake air type burner as claimed in claim 1, wherein: the left side and the right side of the furnace end are respectively provided with a convex cavity which is convex from the outer surface to the inner surface;
grooves are formed in the two sides of the outer ring injection premixing device;
the convex cavity is matched with the groove.
6. An upper intake air type burner as claimed in claim 1, wherein: the upper end of the central air inlet pipe extends into the central fire cover.
7. An upwind burner according to claim 1, 2, 3, 4 or 5, wherein: the outer ring injection premixing device comprises an upper body part and a bottom cover part,
the upper body part comprises an upper air inlet air guide cavity positioned in the center, a first premixing cavity positioned in the front part, an upper half first ejector pipe communicated with the first premixing cavity, a first air cavity matched with the air inlet end of the upper half first ejector pipe, a second premixing cavity positioned in the rear part, an upper half second ejector pipe, a second air cavity matched with the air inlet end of the upper half second ejector pipe and a support frame plate arranged on the outer surfaces of the first premixing cavity and the second premixing cavity,
the bottom cover part comprises a lower air inlet air guide cavity, a lower half first injection pipe and a lower half second injection pipe;
the upper air inlet air guide cavity is in butt joint with the lower air inlet air guide cavity, the upper half first injection pipe is buckled with the lower half first injection pipe, and the upper half second injection pipe is buckled with the lower half second injection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020548993.7U CN212132427U (en) | 2020-04-14 | 2020-04-14 | Upper air inlet type combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020548993.7U CN212132427U (en) | 2020-04-14 | 2020-04-14 | Upper air inlet type combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212132427U true CN212132427U (en) | 2020-12-11 |
Family
ID=73687482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020548993.7U Active CN212132427U (en) | 2020-04-14 | 2020-04-14 | Upper air inlet type combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212132427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433018A (en) * | 2023-12-21 | 2024-01-23 | 佛山市宇煜五金有限公司 | Three-ring direct-injection burner |
-
2020
- 2020-04-14 CN CN202020548993.7U patent/CN212132427U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117433018A (en) * | 2023-12-21 | 2024-01-23 | 佛山市宇煜五金有限公司 | Three-ring direct-injection burner |
| CN117433018B (en) * | 2023-12-21 | 2024-04-05 | 佛山市宇煜五金有限公司 | Three-ring direct-injection burner |
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