CN211450924U - Outer ring fire cover of combustor - Google Patents
Outer ring fire cover of combustor Download PDFInfo
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- CN211450924U CN211450924U CN201921996724.0U CN201921996724U CN211450924U CN 211450924 U CN211450924 U CN 211450924U CN 201921996724 U CN201921996724 U CN 201921996724U CN 211450924 U CN211450924 U CN 211450924U
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Abstract
The utility model relates to an outer loop fire lid of combustor belongs to gas cooking utensils field. The utility model discloses an outer loop fire lid body, main fire hole, steady flame groove and main fire passageway, its structural feature lies in: the main fire hole, the flame stabilizing groove and the main fire channel are all arranged on the outer ring fire cover body, the main fire hole and the flame stabilizing groove are communicated with the main fire channel, the main fire hole is located above the flame stabilizing groove, and the distance between the main fire hole and the flame stabilizing groove is h. The main fire hole and the flame stabilizing groove are communicated with the main fire channel, the main fire channel can supply air to the main fire hole and the flame stabilizing groove, and the outer ring fire cover is convenient to process.
Description
Technical Field
The utility model relates to an outer loop fire lid of combustor belongs to gas cooking utensils field.
Background
An outer ring fire cover is arranged on a burner, a main fire hole corresponds to a main fire channel under most conditions of a common outer ring fire cover, a fire stabilizing hole corresponds to an auxiliary fire channel, the main fire hole and the fire stabilizing hole are arranged in a staggered manner, the outer ring fire cover is complex in structure and high in processing difficulty, and in view of the above, a patent document with the application number of 201521069429.2 discloses an outer ring fire cover and a gas stove using the outer ring fire cover, wherein the outer ring fire cover comprises a top wall arranged in an annular manner, a first surrounding wall and a second surrounding wall which are correspondingly and convexly arranged towards one side along the inner edge and the outer edge of the top wall, a fire transfer channel is formed between the first surrounding wall and the second surrounding wall, the first surrounding wall and the second surrounding wall are downwards in the protruding direction, the second surrounding wall is provided with a plurality of main fire holes arranged at intervals, and the plurality of main fire holes are distributed along the circumferential direction of the second surrounding wall; the outer surface of the second surrounding wall is also provided with a flame stabilizing groove, the bottom of the flame stabilizing groove is provided with a secondary fire hole communicated with the fire transfer channel, and the aperture of the secondary fire hole is smaller than that of the primary fire hole. The outer ring fire cover of the comparison file has the defects of high processing difficulty, poor flame stabilizing effect and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design is reasonable, convenient processing, the effectual outer loop fire lid of combustor of steady flame.
The utility model provides a technical scheme that above-mentioned problem adopted is: this outer loop fire lid of combustor, including outer loop fire lid body, main fire hole, steady flame groove and main fire passageway, its structural feature lies in: the main fire hole, the flame stabilizing groove and the main fire channel are all arranged on the outer ring fire cover body, the main fire hole and the flame stabilizing groove are communicated with the main fire channel, the main fire hole is located above the flame stabilizing groove, and the distance between the main fire hole and the flame stabilizing groove is h. The main fire hole and the flame stabilizing groove are communicated with the main fire channel, the main fire channel can supply air to the main fire hole and the flame stabilizing groove, and the outer ring fire cover is convenient to process.
Further, the outer ring fire cover further comprises an auxiliary fire channel, the auxiliary fire channel is arranged on the outer ring fire cover body, and the flame stabilizing groove is communicated with the auxiliary fire channel. The outer wall of the outer ring fire cover body is provided with a bright and clean area used for being matched with a pot frame, the main fire hole is arranged to be away from the bright and clean area, the purpose is to avoid the main fire hole from being burnt out to burn out the pot frame, meanwhile, an auxiliary fire channel is arranged on the fire cover body corresponding to the bright and clean area, and the auxiliary fire channel can enable the fire stabilizing holes in the flame stabilizing groove to be uniformly arranged in a circumferential array mode, so that the phenomenon of fire dropping is avoided.
Further, the flame stabilizing groove is arranged on the outer wall of the outer ring fire cover body along the circumferential direction of the outer ring fire cover body, and a flame stabilizing hole is formed in the communication positions of the main fire channel and the auxiliary fire channel and the flame stabilizing groove respectively. When the flame stabilizing hole is processed, the main flame channel and the auxiliary flame channel are processed firstly, and then the flame stabilizing groove is cut on the outer ring fire cover body, the wall breaking formed by the flame stabilizing groove, the main flame channel and the auxiliary flame channel is the flame stabilizing hole, and the flame stabilizing hole is an irregular through hole.
Further, the 2.5mm is more than or equal to h and more than or equal to 0.5 mm. The proper distance between the main fire hole and the flame stabilizing groove is ensured, and the phenomenon of fire escape caused by overlarge or undersize distance is avoided.
Furthermore, a fire transmission groove is formed in the outer ring fire cover body and communicated with any one main fire channel. So that the flame in the middle of the fire transfer groove is uniformly dispersed, and the flame on the two sides of the fire transfer groove is stable.
Furthermore, be provided with two biography fire holes on the outer loop fire lid body, two biography fire holes are located the both sides of passing the fire groove respectively.
Further, the two fire transfer holes are stepped holes.
Further, an included angle exists between the axes of the two fire transfer holes. So that the flame in the middle of the fire transfer groove is uniformly dispersed, and the flame on the two sides of the fire transfer groove is stable.
Furthermore, the aperture of the main fire channel is larger than that of the main fire hole, and the aperture of the auxiliary fire channel is smaller than that of the main fire hole. The main fire channel supplies air to the main fire hole and the fire stabilizing hole at the same time, and the auxiliary fire channel only supplies air to the fire stabilizing hole.
Furthermore, the included angle between the main fire hole and the main fire channel is alpha, and the alpha is more than or equal to 90 degrees and less than or equal to 150 degrees.
Compared with the prior art, the utility model has the advantages of it is following: the main fire hole and the flame stabilizing groove on the outer ring fire cover of the burner are communicated with the main fire channel, the main fire channel can supply air to the main fire hole and the flame stabilizing groove simultaneously, and the outer ring fire cover is convenient to machine. The outer wall of the outer ring fire cover body is provided with a smooth area to avoid burning out a pot frame, an auxiliary fire channel is arranged corresponding to the smooth area, the phenomenon of fire escape is avoided, and the phenomenon of fire escape is avoided by ensuring a proper distance between the main fire hole and the flame stabilizing groove.
Drawings
Fig. 1 is a schematic perspective view of a high thermal load and high thermal efficiency burner according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of an outer ring fire cover according to an embodiment of the present invention.
Fig. 3 is a schematic view of the cross-sectional structure a-a in fig. 2.
Fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Fig. 5 is an enlarged schematic view of the portion C in fig. 3.
Fig. 6 is a rear view structural diagram of the outer ring fire cover according to the embodiment of the present invention.
Fig. 7 is a schematic perspective view of an outer ring fire cover according to an embodiment of the present invention.
Fig. 8 is a schematic front view of a double-layer energy collecting cover according to an embodiment of the present invention.
Fig. 9 is a schematic view of the cross-sectional structure D-D in fig. 8.
Fig. 10 is a schematic perspective view of the double-layer energy-gathering cover according to the embodiment of the present invention when the energy-gathering cover body is a circular structure.
Fig. 11 is a schematic view of a three-dimensional explosion structure of a double-layer energy-gathering cover when the energy-gathering cover body of the embodiment of the present invention is a square structure.
Fig. 12 is a schematic cross-sectional view of a double-deck energy concentrating cover according to an embodiment of the present invention.
In the figure: an outer ring fire cover 1, a double-layer energy-gathering cover 2, an inner ring fire cover 3, an ejector 4, an ignition needle 5, an induction needle 6,
An outer ring fire cover body 11, a main fire hole 12, a fire stabilizing hole 13, a flame stabilizing groove 14, a fire transfer groove 15, a fire transfer hole 16, a main fire channel 17, an auxiliary fire channel 18,
An energy-gathering cover body 21, a decorative ring 22, an energy-gathering cover base 23, a secondary air supplement port 24, an inner ring fire secondary air supplement channel 25, an outer ring fire secondary air supplement channel 26, a cooker panel 27, a pot frame 28, a decorative ring liquid containing groove 29, an energy-gathering cover ring plate 210, a combustion chamber 211, a fuel tank,
the ejector comprises an ejector body 41, a nozzle 42, a fixed air adjusting plate 43 and an adjusting air adjusting plate 44.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1 to 12, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, in the present specification, if there are terms such as "upper", "lower", "left", "right", "middle" and "one", they are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered as the scope of the present invention without substantial changes in the technical content.
The combustor with high thermal load and high thermal efficiency in the embodiment comprises an outer ring fire cover 1, a double-layer energy gathering cover 2, a combustion chamber 211, an inner ring fire cover 3, an ejector 4, an ignition needle 5 and an induction needle 6, wherein the combustion chamber 211, the ignition needle 5 and the induction needle 6 are all installed on the ejector 4, and the outer ring fire cover 1 and the inner ring fire cover 3 are all installed on the combustion chamber 211.
The outer ring fire cover 1 in this embodiment includes outer ring fire cover body 11, main fire hole 12, flame holding groove 14, main fire passageway 17 and supplementary fire passageway 18, and main fire hole 12, flame holding groove 14, main fire passageway 17 and supplementary fire passageway 18 all set up on outer ring fire cover body 11, and main fire hole 12 and flame holding groove 14 all communicate with main fire passageway 17, and main fire hole 12 is located the top of flame holding groove 14, and flame holding groove 14 communicates with supplementary fire passageway 18.
The main fire hole 12 and the flame stabilizing groove 14 in the embodiment are both communicated with the main fire channel 17, the main fire hole 12 and the flame stabilizing groove 14 can be supplied with air through the main fire channel 17, the outer ring fire cover is convenient to process, a smooth area used for being matched with a pot rack is arranged on the outer wall of the outer ring fire cover body 11, the main fire hole 12 is arranged to be away from the smooth area, the purpose is to prevent the main fire hole 12 from being burnt out to burn out the pot rack, meanwhile, an auxiliary fire channel 18 is arranged on the fire cover body 11 corresponding to the smooth area, and the auxiliary fire channel 18 can enable the flame stabilizing holes 13 in the flame stabilizing groove 14 to be uniformly arranged in a circumferential array mode, so that the phenomenon of fire dropping is avoided.
The diameter of the main fire channel 17 is larger than that of the main fire hole 12 in this embodiment, and the diameter of the auxiliary fire channel 18 is smaller than that of the main fire hole 12. The main fire channel 17 supplies air to the main fire hole 12 and the fire stabilizing hole 13 at the same time, and the auxiliary fire channel 18 supplies air to the fire stabilizing hole 13 only.
The flame holding groove 14 in this embodiment is provided on the outer wall of the outer ring fire cover body 11 along the circumferential direction of the outer ring fire cover body 11, and one flame holding hole 13 is formed at each of the communication positions of the main fire passage 17 and the auxiliary fire passage 18 with the flame holding groove 14. When the fire stabilizing holes 13 are processed, the main fire channel 17 and the auxiliary fire channel 18 are processed, then the flame stabilizing grooves 14 are cut on the outer ring fire cover body 11, the wall breaking formed by the flame stabilizing grooves 14, the main fire channel 17 and the auxiliary fire channel 18 is the fire stabilizing holes 13, and the fire stabilizing holes 13 are irregular through holes.
In the embodiment, the included angle between the main fire hole 12 and the main fire channel 17 is alpha, alpha is more than or equal to 90 degrees and less than or equal to 150 degrees, the distance between the main fire hole 12 and the flame stabilizing groove 14 is h, and h is more than or equal to 2.5mm and more than or equal to 0.5 mm. The proper distance between the main fire hole 12 and the flame stabilizing groove 14 is ensured, and the phenomenon of fire escape caused by too large or too small distance is avoided.
The outer ring fire cover body 11 in this embodiment is provided with the fire transfer groove 15, the fire transfer groove 15 is communicated with any one main fire channel 17, the outer ring fire cover body 11 is provided with two fire transfer holes 16, the two fire transfer holes 16 are respectively located on two sides of the fire transfer groove 15, the two fire transfer holes 16 are stepped holes, and an included angle exists between the axes of the two fire transfer holes 16. So that the flame in the middle of the fire transfer groove is uniformly dispersed, and the flame on the two sides of the fire transfer groove is stable.
The double-layer energy-gathering cover 2 in the embodiment comprises an energy-gathering cover body 21 and a decorative ring 22, the energy-gathering cover body 21 is of a circular structure or a square structure, the decorative ring 22 is matched with the energy-gathering cover body 21, an energy-gathering cover base 23 is arranged at the bottom of the energy-gathering cover body 21, a secondary air supplement port 24 is formed by two adjacent energy-gathering cover bases 23, an inner ring fire secondary air supplement channel 25 used for supplementing secondary air to inner ring fire is arranged below the decorative ring 22, an outer ring fire secondary air supplement channel 26 used for supplementing secondary air to outer ring fire is arranged between the decorative ring 22 and the energy-gathering cover body 21, the inner ring fire secondary air supplement channel 25 and the outer ring fire secondary air supplement channel 26 are both communicated with the secondary air supplement port 24, and the decorative ring 22 is installed on a combustion chamber 211.
The double-layer energy-gathering cover has the advantages that the heat gathering effect is good, the heat loss is reduced, the double-layer heat insulation is realized, the air near the energy-gathering cover body 21 is prevented from being heated, the temperature of secondary air is reduced, the secondary air can be supplemented more sufficiently, cold air can be increased to enter the inner ring fire secondary air supplementing channel 25 and the outer ring fire secondary air supplementing channel 26, the oxygen content is increased, and the combustion is more sufficient.
The energy-gathering cover bases 23 in the embodiment are installed on the cooker panel 27, two adjacent energy-gathering cover bases 23 and the cooker panel 27 form a secondary air supplement port 24, and the number of the energy-gathering cover bases 23 is more than three. The inner ring fire secondary air supplement channel 25 is located between the bezel 22 and the cooktop panel 27. The cold air entering into the inner ring fire secondary air supplement channel 25 is increased, so that the inner ring fire is more fully combusted.
The secondary air supply port 24, the inner ring fire secondary air supply passage 25 and the outer ring fire secondary air supply passage 26 in this embodiment form a Y-shaped three-dimensional structure. Air is supplemented to the inner ring fire secondary air supplementing channel 25 and the outer ring fire secondary air supplementing channel 26 through the secondary air supplementing port 24, and the oxygen content is increased. The height of the inner ring fire secondary air replenishing passage 25 is greater than the height of the outer ring fire secondary air replenishing passage 26. The surface temperature of the cooker panel is reduced, secondary air flows into the inner ring fire secondary air supplement channel, and full combustion of fuel gas is facilitated.
The energy gathering cover body 21 in the embodiment is provided with a pot frame 28 and an energy gathering cover ring plate 210, the decoration ring 22 is positioned below the energy gathering cover ring plate 210, the energy gathering cover ring plate 210 is arranged in parallel with the decoration ring 22, and the outer ring fire secondary air supplement channel 26 is positioned between the energy gathering cover ring plate 210 and the decoration ring 22. The decorative ring 22 divides the secondary air entering from the secondary air supply port 24 into two paths, one path leading to the inner ring fire secondary air supply passage 25 and the other path leading to the outer ring fire secondary air supply passage 26.
The decoration ring 22 in this embodiment is provided in an annular structure, and the decoration ring 22 is provided with a decoration ring liquid containing groove 29. When the liquid in the excessive inner overflows, the decorative ring 22 can take the function of water receiving, in addition, the decorative ring 22 can also take the function of heat insulation, the temperature near the energy-gathering cover body 21 is reduced, the oxygen content is increased, the combustion is more sufficient, and meanwhile, the decorative ring 22 can also divide secondary air entering from the secondary air supplementing port 24 into two paths.
Ejector 4 in this embodiment includes ejector body 41, nozzle 42, fixed air regulating plate 43 and adjusts air regulating plate 44, and the one end of ejector body 41 is installed to combustion chamber 211, and nozzle 42, fixed air regulating plate 43 and the other end at ejector body 41 are all installed to adjust air regulating plate 44, and fixed air regulating plate 43 cooperates with adjusting air regulating plate 44.
The main fire hole 12 and the flame stabilizing groove 14 on the outer ring fire cover 1 of the burner are communicated with the main fire channel 17, the main fire hole 12 and the flame stabilizing groove 14 can be simultaneously supplied with air through the main fire channel 17, and the outer ring fire cover 1 can be conveniently processed. The outer wall of the outer ring fire cover body 11 is provided with a smooth area to avoid burning out a pot frame, and an auxiliary fire channel 18 is arranged corresponding to the smooth area to avoid fire dropping, so that a proper distance between the main fire hole 12 and the flame stabilizing groove 14 is ensured to avoid the fire dropping.
This double-deck energy collecting cover 2 has better energy collecting effect, can effectual reduction heat loss, it can effectual reduction energy collecting cover body 21 annex the temperature to set up double-deck energy collecting cover 2, increase the secondary air supply volume, improve the oxygen content, interior ring fire secondary air supply passageway 25 and outer ring fire secondary air supply passageway 26 all communicate with secondary air supply port 24, secondary air can follow secondary air supply port 24 and enter into interior ring fire secondary air supply passageway 25 and outer ring fire secondary air supply passageway 26, the combustion efficiency is improved, be favorable to secondary air's flow, can make the more abundant of burning.
The high-heat-load high-heat-efficiency combustor can realize high heat load of 5.2kW and high heat efficiency of more than 72%.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides an outer ring fire lid of combustor, includes outer ring fire lid body (11), main fire hole (12), flame stabilizing slot (14) and main fire passageway (17), its characterized in that: main fire hole (12), flame stabilizing groove (14) and main fire passageway (17) all set up on outer ring fire lid body (11), main fire hole (12) and flame stabilizing groove (14) all communicate with main fire passageway (17), main fire hole (12) are located the top in flame stabilizing groove (14), distance between main fire hole (12) and flame stabilizing groove (14) is h.
2. An outer ring fire cover of a burner according to claim 1, wherein: the outer ring fire cover further comprises an auxiliary fire channel (18), the auxiliary fire channel (18) is arranged on the outer ring fire cover body (11), and the flame stabilizing groove (14) is communicated with the auxiliary fire channel (18).
3. The outer ring fire cover of a burner of claim 2, wherein: the flame stabilizing groove (14) is arranged on the outer wall of the outer ring fire cover body (11) along the circumferential direction of the outer ring fire cover body (11), and a flame stabilizing hole (13) is formed in the communication position of the main fire channel (17) and the auxiliary fire channel (18) and the flame stabilizing groove (14).
4. An outer ring fire cover of a burner according to claim 1, wherein: h is more than or equal to 0.5mm and more than or equal to 2.5 mm.
5. An outer ring fire cover of a burner according to claim 1, wherein: the outer ring fire cover body (11) is provided with a fire transmission groove (15), and the fire transmission groove (15) is communicated with any one main fire channel (17).
6. The outer ring fire cover of a burner of claim 5, wherein: two fire transfer holes (16) are formed in the outer ring fire cover body (11), and the two fire transfer holes (16) are located on two sides of the fire transfer groove (15) respectively.
7. The outer ring fire cover of a burner of claim 6, wherein: the two fire transfer holes (16) are both stepped holes.
8. The outer ring fire cover of a burner of claim 6, wherein: an included angle exists between the axes of the two fire transfer holes (16).
9. The outer ring fire cover of a burner of claim 2, wherein: the aperture of the main fire channel (17) is larger than that of the main fire hole (12), and the aperture of the auxiliary fire channel (18) is smaller than that of the main fire hole (12).
10. An outer ring fire cover of a burner according to claim 1, wherein: the included angle between the main fire hole (12) and the main fire channel (17) is alpha, and the alpha is more than or equal to 90 degrees and less than or equal to 150 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996724.0U CN211450924U (en) | 2019-11-18 | 2019-11-18 | Outer ring fire cover of combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996724.0U CN211450924U (en) | 2019-11-18 | 2019-11-18 | Outer ring fire cover of combustor |
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| CN211450924U true CN211450924U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921996724.0U Active CN211450924U (en) | 2019-11-18 | 2019-11-18 | Outer ring fire cover of combustor |
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| CN (1) | CN211450924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793031A (en) * | 2019-11-18 | 2020-02-14 | 杭州德意电器股份有限公司 | Outer ring fire cover of combustor |
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2019
- 2019-11-18 CN CN201921996724.0U patent/CN211450924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793031A (en) * | 2019-11-18 | 2020-02-14 | 杭州德意电器股份有限公司 | Outer ring fire cover of combustor |
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