CN220601511U - Upper air inlet combustor - Google Patents
Upper air inlet combustor Download PDFInfo
- Publication number
- CN220601511U CN220601511U CN202321854323.8U CN202321854323U CN220601511U CN 220601511 U CN220601511 U CN 220601511U CN 202321854323 U CN202321854323 U CN 202321854323U CN 220601511 U CN220601511 U CN 220601511U
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- air
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- stir
- communicated
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 35
- 239000007924 injection Substances 0.000 claims description 35
- 238000007664 blowing Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 20
- 239000013589 supplement Substances 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- Gas Burners (AREA)
Abstract
The utility model discloses an upper air inlet combustor, which further comprises: the secondary air channel is arranged at the middle position of the fire cover in a penetrating way; the air port is arranged at the air inlet end of the ejector; the nozzle seat is arranged at the lower end of the furnace end, the nozzle seat is respectively provided with a blower and a nozzle assembly, the air outlet end of the nozzle assembly is communicated with the air vent, the air outlet end of the blower is provided with an air outlet, and the air outlet is respectively arranged corresponding to the air inlet ends of the air vent and the secondary air channel, so that air ejected outwards through the air outlet, a part of air flows into the ejector through the air vent, and the rest of air flows into the secondary air channel. The upper air inlet burner has a simple structure, and can supply secondary air while blowing primary air, so that combustion is more complete, and heat efficiency can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of stoves, in particular to an upper air inlet combustor.
Background
The burner generally has upper and lower air inlets, and the air blast of the burner can be divided into primary air and secondary air.
In the related art, most of the burners are lower air intake burners, and the air blowing mode is primary air blowing. The upper air inlet burner which can blow primary air and simultaneously supplement secondary air is not seen in the market. In addition, in order to make the cooking utensils more pleasing to the eye, the injection pipe of upper air inlet combustor is hidden and is placed under the combustor, because of the limited burner size, the injection pipe is shorter, causes its injection ability to be poor. The relative height of the pot support needs to be increased, so that the overall height of the cooker is high, the heat efficiency is seriously affected, and the cooker is not attractive.
Meanwhile, the upper air inlet burner is easy to be influenced by thermal expansion and contraction because the nozzle is arranged on the panel to enable the nozzle to be close to a fire source, so that the burning load is reduced.
Disclosure of Invention
The utility model aims to solve one of the problems in the prior art to at least a certain extent, and therefore, the utility model provides the upper air inlet burner which has a simple structure, can realize primary air blowing and can supplement secondary air, so that combustion is more complete, and heat efficiency can be effectively improved.
The above object is achieved by the following technical scheme:
the utility model provides an upward air inlet combustor, includes furnace end, fire lid and injector, the furnace end has a premix chamber, the premix chamber with the injector is linked together, fire lid is located on the premix chamber, still include:
the secondary air channel penetrates through the middle position of the fire cover;
the air port is arranged at the air inlet end of the ejector;
the air outlet is arranged at the air outlet end of the air blower, and is respectively corresponding to the air inlet end of the air outlet port and the air inlet end of the secondary air channel, so that air emitted outwards through the air outlet port is enabled, a part of air passes through the air outlet port and flows into the ejector, and the rest of air flows into the secondary air channel.
In some embodiments, the air-conditioning device further comprises a gas channel and a primary air channel which are respectively arranged in the nozzle seat, wherein one end of the gas channel is communicated with an external gas supply, the other end of the gas channel is correspondingly arranged with the air vent through the nozzle assembly, one end of the primary air channel is communicated with the air outlet end of the air blower, and the other end of the primary air channel is communicated with the air outlet.
In some embodiments, the primary air channel is located at a location external to the gas channel.
In some embodiments, the air outlet cross-section has an area that is greater than the area of the vent cross-section.
In some embodiments, the ejector comprises a first ejector tube and/or a second ejector tube, the vent comprises a first vent in communication with the first ejector tube and/or a second vent in communication with the second ejector tube, the nozzle assembly comprises a first nozzle and/or a second nozzle, wherein the first vent is in communication with the first nozzle, the second vent is in communication with the second nozzle, the first vent and/or the second vent is disposed in correspondence with the air outlet, and the air outlet is disposed in correspondence with the air inlet end of the secondary air passage.
In some embodiments, the premixing cavity comprises an outer premixing cavity, an inner premixing cavity and/or a stir-frying premixing cavity which are arranged at intervals along the radial direction, wherein an inner injection pipe and/or a stir-frying injection pipe is arranged on the burner, the outer premixing cavity is communicated with the injector, the inner premixing cavity is communicated with the injector or the inner injection pipe, the stir-frying premixing cavity is communicated with the injector or the stir-frying injection pipe, and a flame distributing cover is arranged on the inner premixing cavity and/or the stir-frying premixing cavity.
In some embodiments, when the inner premix chamber is communicated with the inner injection pipe, an inner nozzle is arranged on the nozzle seat, the fire dividing cover is arranged on the inner premix chamber, one end of the inner injection pipe is communicated with the inner premix chamber, and the other end of the inner injection pipe is communicated with an external gas supply through the inner nozzle.
In some embodiments, when the stir-frying premixing cavity is communicated with the stir-frying injection pipe, a stir-frying nozzle is arranged on the nozzle seat, one end of the stir-frying injection pipe is communicated with the stir-frying premixing cavity, and the other end of the stir-frying injection pipe is communicated with an external gas supply through the stir-frying nozzle.
In some embodiments, the stir-frying premix chamber is located at a middle position of the outer premix chamber and the inner premix chamber, one end cover of the flame dividing cover is arranged on the inner premix chamber, and the other end cover is arranged on the stir-frying premix chamber.
In some embodiments, the air outlet direction of the nozzle assembly is disposed in the same direction as the air outlet direction of the air outlet.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
1. the upper air inlet burner has a simple structure, and can supply secondary air while blowing primary air, so that the upper air inlet burner can burn more fully, and further the heat efficiency can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of an upper intake burner in an embodiment of the utility model;
FIG. 2 is an exploded view of an upper intake burner in an embodiment of the utility model;
FIG. 3 is a first cross-sectional view of an upper inlet air combustor in an embodiment of the utility model;
FIG. 4 is a second cross-sectional view of an upper intake burner in an embodiment of the utility model.
Detailed Description
The following examples illustrate the utility model, but the utility model is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present utility model may be made without departing from the spirit of the present utility model, and they are all included in the scope of the claimed utility model.
Examples:
as shown in fig. 1 to 3, this embodiment provides an upper air intake burner, including furnace end 4, fire lid 1 and injector 2, furnace end 4 has premix chamber 41, and premix chamber 41 is linked together with injector 2, and fire lid 1 lid is located on the premix chamber 41, still includes:
a secondary air passage 3, the secondary air passage 3 penetrating through the middle position of the fire cover 1;
a vent 21, the vent 21 being provided at the air inlet end of the ejector 2;
the nozzle holder 5, the nozzle holder 5 sets up in the lower extreme of furnace end 4, is provided with air-blower 51 and nozzle assembly 52 respectively on nozzle holder 5, and the end of giving vent to anger of nozzle assembly 52 is linked together with the air vent 21, is provided with air outlet 511 at the air-out end of air-blower 51, and air outlet 511 corresponds the air inlet of air vent 21, secondary air passageway 3 respectively to make the air that jets out outward through air outlet 511, wherein a part of air flows in ejector 2 after the air vent 21, and the remaining part flows in secondary air passageway 3.
In the embodiment, the upper air inlet burner is simple in structure, and can be used for blowing primary air and supplementing secondary air, so that combustion is more complete, and heat efficiency can be effectively improved.
In this embodiment, the burner 4 has a premixing cavity 41, the premixing cavity 41 is communicated with the injector 2, the fire cover 1 is covered on the premixing cavity 41 to enable the fire cover 1 to be communicated with the outer ring cavity 22, a secondary air channel 3 is arranged at the middle position of the fire cover 1 in a penetrating manner, so that the secondary air channel 3 supplements secondary air for the fire cover 1, an air inlet 21 is arranged at the air inlet end of the injector 2, the air inlet 21 is communicated with the air outlet end of the nozzle assembly 52, an air outlet 511 is arranged at the air outlet end of the blower 51, the air outlets 511 are respectively arranged corresponding to the air inlet end of the air inlet 21 and the air inlet end of the secondary air channel 3, so that air emitted outwards through the air outlet 511 flows into the injector 2 through the air inlet 21 to realize the supply of primary air, the nozzle temperature is reduced through the primary air blowing, and the rest of the air flows into the secondary air channel 3 to realize the supplement of secondary air, so that the combustion is more sufficient, the flue gas is lower, the pot bracket and the overall height are effectively reduced, and the thermal efficiency is further improved, and meanwhile, the product is more attractive.
Further, the air-conditioning device further comprises a fuel gas channel 53 and a primary air channel 54 which are respectively arranged in the nozzle seat 5, wherein one end of the fuel gas channel 53 is communicated with an external air supply, the other end of the fuel gas channel is correspondingly arranged with the air vent 21 through the nozzle assembly 52, one end of the primary air channel 54 is communicated with an air outlet end of the air blower 51, and the other end of the primary air channel is communicated with the air outlet 511.
In this embodiment, since the air inlet 21 is provided at the air inlet end of the ejector 2, the gas passage 53 and the primary air passage 54 are respectively provided in the nozzle holder 5, one end of the gas passage 53 is communicated with the external air supply through the nozzle assembly 52, the other end of the gas passage 53 is correspondingly provided with the air outlet 21 through the gas outlet so as to spray the external air into the ejector 2, one end of the primary air passage 54 is communicated with the air outlet end of the blower 4, the other end of the primary air passage 54 is communicated with the air outlet 511, and the air outlets 511 are respectively correspondingly provided with the air inlet ends of the air outlet 21 and the secondary air passage 3, so that air ejected outwards through the air outlet 511 flows into the ejector 2 after passing through the air inlet 21 to supply primary air, and the rest of air flows into the secondary air passage 3 to supplement secondary air, so that combustion is more sufficient, flue gas is lower, and thermal efficiency is further improved.
Further, the primary air passage 54 is located at a position outside the gas passage 53.
Preferably, the area of the cross section of the air outlet 511 is larger than the area of the cross section of the air vent 21.
Specifically, the air outlet direction of the nozzle assembly 52 is disposed in the same direction as the air outlet direction of the air outlet 511.
In this embodiment, the cross sections of the air outlet 511 and the air vent 21 are preferably circular, and since the area of the cross section of the air outlet 511 is larger than the area of the cross section of the air vent 21, a part of air is ejected outwards through the air outlet 511, wherein a part of air flows into the ejector 2 after passing through the air vent 21, and the rest of air flows into the secondary air channel 3, and the air after entering the secondary air channel 3 continues to flow onto the fire cover 1, so as to form secondary air required by the middle position of the fire cover 1, more preferably, a gas outlet is arranged at the gas outlet end of the nozzle assembly 52, and the gas outlet direction of the air outlet 511 are arranged in the same direction, so that the gas and the air are ejected into the ejector 2 in the same direction, and the gas and the air are mixed more fully. Further, the primary air passage 54 is located at an outer position of the gas passage 53 such that the gas passage 53 is inside and the primary air passage 54 is outside, and a lower end of the primary air passage 54 communicates with an air outlet end of the blower 4 to introduce outside air into the primary air passage 54, and then the air is outputted outside through the air outlet 511.
Further, the ejector 2 includes a first ejector pipe 22 and/or a second ejector pipe 23, the air port 21 includes a first air port 211 communicating with the first ejector pipe 22 and/or a second air port communicating with the second ejector pipe 23, the nozzle assembly 52 includes a first nozzle 521 and/or a second nozzle 522, wherein the first air port 211 communicates with the first nozzle 521, the second air port communicates with the second nozzle 522, the first air port 211 and/or the second air port are provided corresponding to the air outlet 511, and the air outlet 511 is provided corresponding to the air inlet end of the secondary air passage 3.
Further, the ejector 2 includes a first ejector pipe 22 and/or a second ejector pipe 23, the air port 21 includes a first air port 211 communicating with the first ejector pipe 22 and/or a second air port communicating with the second ejector pipe 23, the nozzle assembly 52 includes a first nozzle 521 and/or a second nozzle 522, wherein the first air port 211 communicates with the first nozzle 521, the second air port communicates with the second nozzle 522, the first air port 211 and/or the second air port are provided corresponding to the air outlet 511, and the air outlet 511 is provided corresponding to the air inlet end of the secondary air passage 3.
Preferably, premix chamber 41 includes outer premix chamber 42, inner premix chamber 43 and/or quick-fry premix chamber 44 that radially alternate, wherein inner injection tube 45 and/or quick-fry injection tube 46 are provided on burner 4, outer premix chamber 42 is in communication with injector 2, inner premix chamber 43 is in communication with injector 2 or inner injection tube 45, quick-fry premix chamber 44 is in communication with injector 2 or quick-fry injection tube 46, and fire dividing cover 47 is provided on inner premix chamber 43 and/or quick-fry premix chamber 44.
Specifically, when the inner premix chamber 43 communicates with the inner injection pipe 45, an inner nozzle 55 is provided on the nozzle holder 5, the flame dividing cover 47 is provided on the inner premix chamber 43, and one end of the inner injection pipe 45 communicates with the inner premix chamber 43, and the other end communicates with the external air supply through the inner nozzle 55.
Preferably, when the stir-frying premix chamber 44 is communicated with the stir-frying injection pipe 46, a stir-frying nozzle 56 is provided on the nozzle holder 5, and one end of the stir-frying injection pipe 46 is communicated with the stir-frying premix chamber 44, and the other end is communicated with an external supply gas through the stir-frying nozzle 56.
Specifically, a stir-frying premix chamber 44 is located at a position intermediate outer premix chamber 42 and inner premix chamber 43, and a flame-dividing cover 47 is provided on inner premix chamber 43 at one end and on stir-frying premix chamber 44 at the other end.
In this embodiment, the ejector 2 includes at least the first ejector tube 22, but is not limited to the above arrangement, and may further enable the ejector 2 to include the first ejector tube 22 and the second ejector tube 23, and of course, other more suitable arrangements may be selected according to actual needs, and the ejector 2 in this embodiment is described by examples including the first ejector tube 22 and the second ejector tube 23, and other details are not repeated. When the ejector 2 comprises a first ejector pipe 22 and a second ejector pipe 23, one end of the first ejector pipe 22 and one end of the second ejector pipe 23 are respectively communicated with the premixing cavity 41, the other end of the first ejector pipe is communicated with a first air vent 211, the second ejector pipe 23 is communicated with a second air vent, the first air vent 211 is correspondingly arranged with the first nozzle 521, the second air vent is correspondingly arranged with the second nozzle 522, the first air vent 211 is respectively correspondingly arranged with the air outlet 511 and the air outlet end of the nozzle assembly 52, and the air outlet 511 is correspondingly arranged with the air inlet end of the secondary air channel 3, so that the first ejector pipe 22 is respectively correspondingly arranged with the air outlet end of the nozzle assembly 52 and the air outlet 511 of the blower 51, meanwhile, one end of the second ejector pipe 23 is communicated with the premixing cavity 41, and the other end of the second ejector pipe 23 is communicated with a second air vent, so that the second ejector pipe 23 is singly communicated with external air supply through the second nozzle 522.
In this embodiment, the premix chamber 41 includes an outer premix chamber 42, an inner premix chamber 43 and/or a stir-frying premix chamber 44 which are arranged at intervals along the radial direction, that is, the outer premix chamber 42, the inner premix chamber 43 and the stir-frying premix chamber 44 are respectively defined on the burner 1, or the outer premix chamber 42 and the inner premix chamber 43 may be respectively defined on the burner 1, or the outer premix chamber 42 and the stir-frying premix chamber 44 may be respectively defined on the burner 1, but not limited to the above arrangement, and other more suitable arrangements may be selected according to actual requirements. In this embodiment, the burner 1 is defined with an outer premix chamber 42, an inner premix chamber 43 and a stir-frying premix chamber 44, respectively, and the other descriptions are omitted. More preferably, any one of the outer premix chamber 42, the inner premix chamber 43 and the stir-frying premix chamber 44 is communicated with the injector 2, and in this embodiment, the outer premix chamber 42 is communicated with the injector 2, and the other is not described in detail.
In the embodiment, when the outer premix chamber 42, the inner premix chamber 43 and the stir-frying premix chamber 44 are respectively defined on the burner 1, and the outer premix chamber 42 is communicated with the injector 2, the inner injection pipe 45 and the stir-frying injection pipe 46 are arranged on the burner 4, the outer premix chamber 42 is communicated with the nozzle assembly 52 through the injector 2, meanwhile, the nozzle assembly 52 is communicated with external air supply at one end far from the injector 2, and the air outlet 511 of the blower 51 is correspondingly arranged with the air inlet end of the secondary air channel 3, so that external air supply flows into the outer premix chamber 42 after passing through the nozzle assembly 52 and the injector 2 in sequence, thus the outer premix chamber 42 can realize air supply of a plurality of nozzles, then, the central position of the burner 4 is defined with a central cavity, the central cavity is divided into the inner premixing cavity 43 and the stir-frying premixing cavity 44 at intervals by the fire dividing cover 47, namely one end of the fire dividing cover 47 is covered on the inner premixing cavity 43, the other end of the fire dividing cover 47 is covered on the stir-frying premixing cavity 44, one end of the inner premixing cavity 43 is communicated with external air supply through the inner nozzle 55, the other end of the inner premixing cavity is correspondingly arranged with the inner injection pipe 45, so that external air supply flows into the inner premixing cavity 43 through the inner injection pipe 45, one end of the stir-frying premixing cavity 44 is communicated with external air supply through the stir-frying nozzle 71, and the other end of the inner premixing cavity is correspondingly arranged with the stir-frying injection pipe 72, so that external air supply flows into the stir-frying premixing cavity 44 through the stir-frying injection pipe 72, and the burner 4 can realize stir-frying fire combustion, so that smoke generated by load increase after one-key stir-frying is started is reduced.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (10)
1. The utility model provides an upper air inlet combustor, includes furnace end (4), fire lid (1) and injector (2), furnace end (4) have premix chamber (41), premix chamber (41) with injector (2) are linked together, fire lid (1) lid is located on premix chamber (41), its characterized in that still includes:
a secondary air passage (3), the secondary air passage (3) penetrating through the middle position of the fire cover (1);
a vent (21), wherein the vent (21) is arranged at the air inlet end of the ejector (2);
the air conditioner comprises a nozzle seat (5), wherein the nozzle seat (5) is arranged at the lower end of a furnace end (4), a blower (51) and a nozzle assembly (52) are respectively arranged on the nozzle seat (5), the air outlet end of the nozzle assembly (52) is communicated with an air vent (21), an air outlet (511) is arranged at the air outlet end of the blower (51), the air outlet (511) is respectively corresponding to the air vent (21) and the air inlet end of a secondary air channel (3), so that air ejected outwards through the air outlet (511) is enabled, a part of air flows into the ejector (2) after passing through the air vent (21), and the rest of air flows into the secondary air channel (3).
2. An upper air intake burner according to claim 1, further comprising a gas passage (53) and a primary air passage (54) respectively provided in the nozzle holder (5), wherein one end of the gas passage (53) communicates with an external supply gas, the other end of the gas passage communicates with the air outlet (511) through the nozzle assembly (52), and one end of the primary air passage (54) communicates with an air outlet end of the blower (51).
3. An upper inlet air burner according to claim 2, characterized in that the primary air channel (54) is located at a position outside the gas channel (53).
4. An upper inlet air burner according to claim 1, characterized in that the area of the cross section of the air outlet (511) is larger than the area of the cross section of the air vent (21).
5. An upper inlet air burner according to claim 1, characterized in that the ejector (2) comprises a first ejector tube (22) and/or a second ejector tube (23), the air opening (21) comprises a first air opening (211) in communication with the first ejector tube (22) and/or a second air opening in communication with the second ejector tube (23), the nozzle assembly (52) comprises a first nozzle (521) and/or a second nozzle (522), wherein the first air opening (211) is in communication with the first nozzle (521), the second air opening is in communication with the second nozzle (522), the first air opening (211) and/or the second air opening is arranged in correspondence with the air outlet (511), and the air outlet (511) is arranged in correspondence with the air inlet end of the secondary air channel (3).
6. An upper air intake burner according to claim 1, characterized in that the premixing chamber (41) comprises an outer premixing chamber (42), an inner premixing chamber (43) and/or a stir-frying premixing chamber (44) which are arranged at intervals along the radial direction, wherein an inner injection pipe (45) and/or a stir-frying injection pipe (46) are arranged on the burner (4), the outer premixing chamber (42) is communicated with the injector (2), the inner premixing chamber (43) is communicated with the injector (2) or the inner injection pipe (45), the stir-frying premixing chamber (44) is communicated with the injector (2) or the stir-frying injection pipe (46), and a flame distributing cover (47) is arranged on the inner premixing chamber (43) and/or the stir-frying premixing chamber (44).
7. An upper inlet air burner according to claim 6, characterized in that when the inner premixing chamber (43) is communicated with the inner injection pipe (45), an inner nozzle (55) is arranged on the nozzle seat (5), the fire dividing cover (47) is arranged on the inner premixing chamber (43), one end of the inner injection pipe (45) is communicated with the inner premixing chamber (43), and the other end is communicated with an external air supply through the inner nozzle (55).
8. An upper air intake burner according to claim 6, characterized in that when the stir-frying premixing cavity (44) is communicated with the stir-frying injection pipe (46), a stir-frying nozzle (56) is arranged on the nozzle seat (5), one end of the stir-frying injection pipe (46) is communicated with the stir-frying premixing cavity (44), and the other end is communicated with an external air supply through the stir-frying nozzle (56).
9. An upper air intake burner according to claim 8, wherein the stir-frying premixing chamber (44) is located at a middle position between the outer premixing chamber (42) and the inner premixing chamber (43), the fire dividing cover (47) is provided with one end cover on the inner premixing chamber (43), and the other end cover is provided on the stir-frying premixing chamber (44).
10. An upper inlet air burner according to any one of claims 1 to 9, wherein the outlet air direction of the nozzle assembly (52) is co-current with the outlet air direction of the air outlet (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321854323.8U CN220601511U (en) | 2023-07-14 | 2023-07-14 | Upper air inlet combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321854323.8U CN220601511U (en) | 2023-07-14 | 2023-07-14 | Upper air inlet combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220601511U true CN220601511U (en) | 2024-03-15 |
Family
ID=90180822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321854323.8U Active CN220601511U (en) | 2023-07-14 | 2023-07-14 | Upper air inlet combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220601511U (en) |
-
2023
- 2023-07-14 CN CN202321854323.8U patent/CN220601511U/en active Active
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