CN217402551U - Multi-ring fire gas burner - Google Patents
Multi-ring fire gas burner Download PDFInfo
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- CN217402551U CN217402551U CN202221468104.1U CN202221468104U CN217402551U CN 217402551 U CN217402551 U CN 217402551U CN 202221468104 U CN202221468104 U CN 202221468104U CN 217402551 U CN217402551 U CN 217402551U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/08—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with axial outlets at the burner head
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
The utility model relates to a multi-ring fire gas burner, which comprises a burner body, wherein the burner body is provided with a first injection channel and a plurality of outer ring fire holes distributed in a ring shape, the gas inlet end of the first injection channel is communicated with a gas supply terminal, and the gas outlet end of the first injection channel is communicated with the outer ring fire holes; the burner body is further provided with a plurality of first inner fire holes, and the air outlet end of the first injection channel is communicated with the first inner fire holes. The gas stove has simple and reasonable structure, reliable performance and compact structure.
Description
Technical Field
The utility model relates to a gas furnace end specifically is a gas furnace end of multi-ring fire.
Background
The existing gas furnace end adopts a double-ring fire structure and a three-ring fire structure, the double-ring fire structure comprises an outer ring fire and an inner ring fire, the three-ring fire structure comprises an outer ring fire, an inner ring fire and a central fire, and because the three ring fires have more fire points, the heating effect of the three ring fires is superior to that of the two ring fires, but the existing gas furnace end is generally difficult to set the three ring fires, so that the gas furnace end with the double-ring fire structure is more. Chinese patent CN208108104U discloses a three-ring burner, and specifically discloses: comprises a furnace end, an outer ring fire cover and a central fire cover; it is characterized by also comprising an outer ring gas seat, an inner ring gas seat and an inner ring fire cover; the burner comprises an outer ring fire injection pipe, a central fire injection pipe, an inner ring fire injection pipe, an outer ring fire air outlet cavity, a central fire air outlet cavity and an inner ring fire air outlet cavity; the gas outlets of the outer ring fire ejecting pipe, the center fire ejecting pipe and the inner ring fire ejecting pipe are respectively communicated with the gas inlets of the outer ring fire outlet cavity, the center fire outlet cavity and the inner ring fire outlet cavity; the outer ring air seat is arranged on the furnace head and is provided with a central air inlet cavity and more than two air inlet holes; the inner ring air seat is arranged in the outer ring air seat, the outer ring air seat is matched with the inner ring air seat to form an outer ring fire air cavity and an inner ring fire air cavity, and the air inlet hole is positioned between the outer ring fire air cavity and the inner ring fire air cavity; the gas outlet of the outer ring fire gas outlet cavity is communicated with the gas inlet of the outer ring fire gas cavity, and the gas outlet of the inner ring fire gas outlet cavity is communicated with the gas inlet of the inner ring fire gas cavity; the central fire air outlet cavity is positioned in the central air inlet cavity and is in clearance fit with the central fire air outlet cavity; the outer ring fire cover and the inner ring fire cover are respectively covered on the outer ring fire air cavity and the inner ring fire air cavity, and the central fire cover is covered at the air outlet of the central fire air outlet cavity. The burner head needs to be provided with three ejector pipes which are respectively communicated with corresponding fire covers, wherein the outer ring fire ejector pipe is communicated with the outer ring fire cover, the central fire ejector pipe is communicated with the central fire cover, and the inner ring fire ejector pipe is communicated with the inner ring fire cover; in addition, the whole volume of the furnace end is large, the structure is relatively complex, the number of related parts is large, and the processing and production cost is high; therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a multi-ring fire gas furnace head which has simple and reasonable structure, reliable performance and compact structure.
The purpose of the utility model is realized like this:
a multi-ring fire gas burner comprises a burner body, wherein a first injection channel and a plurality of outer ring fire holes which are distributed annularly are arranged on the burner body, the gas inlet end of the first injection channel is communicated with a gas supply terminal, and the gas outlet end of the first injection channel is communicated with the outer ring fire holes; the burner body is further provided with a plurality of first inner fire holes, and the air outlet end of the first injection channel is communicated with the first inner fire holes.
An outer ring fire cavity and a first inner fire cavity are arranged on the furnace end body; the outer ring fire cavity is respectively communicated with the first injection channel and the outer ring fire hole, and the first injection channel is communicated with the outer ring fire hole through the outer ring fire cavity; the first inner fire cavity is respectively communicated with the first injection passage and the first inner fire hole, and the first injection passage is communicated with the first inner fire hole through the first inner fire cavity; the first inner fire hole is positioned on the inner side of the outer ring fire hole.
The air outlet end of the first injection channel is communicated with the outer ring fire cavity, and the first inner fire cavity is communicated between the air inlet end and the air outlet end of the first injection channel.
The furnace end body is provided with a middle injection channel; the air outlet end of the first injection passage is communicated with the first inner fire cavity through the middle injection passage.
The furnace end body is provided with a second injection channel, a second inner fire cavity and a second inner fire hole; the second inner fire cavity is respectively communicated with the second injection passage and the second inner fire hole, and the second injection passage is communicated with the second inner fire hole through the second inner fire cavity; the second inner fire hole is positioned at the inner side of the outer ring fire hole.
The furnace end body comprises an inner fire cover, an outer fire cover and a furnace end base, and the inner fire cover and/or the outer fire cover are/is arranged on the furnace end base; the first inner fire hole is formed in the inner fire cover; the outer ring fire hole is formed in the outer fire cover; the first injection channel is arranged on the furnace end base.
The burner body is provided with a gas distribution part for distributing part of the gas in the first injection passage to the first inner fire hole.
The gas distributing part is an inclined plane or an arc surface which is communicated with the first injection passage and the first inner fire hole; and a ventilation gap is formed between the gas distribution part and the inner wall of the first injection channel, and/or a ventilation hole site is arranged on the gas distribution part, and the ventilation gap and/or the ventilation hole site are communicated with the outer ring fire hole.
The air distribution part is arranged on the air guide part; the air guide part is provided with a supporting part and a positioning part; the furnace end body is provided with a supporting matching part and a positioning matching part; the supporting part is supported on the supporting matching part, and the positioning part is mutually positioned and matched with the positioning matching part.
The utility model has the advantages as follows:
first draw and penetrate passageway and communicate outer loop fire hole and first interior fire hole simultaneously, gas supply terminal can feed through first drawing and penetrate the passageway and supply with the gas to outer loop fire hole and first interior fire hole simultaneously, with form outer loop flame and be located the first inner ring flame in the outer loop flame, this kind of first draw penetrates the passageway and communicates the structure in outer loop fire hole and first interior fire hole simultaneously, can guarantee that outer loop flame is even with first inner ring flame, and then effectively promote the heating effect, and one draws and penetrates the passageway and can produce two rings of flames, effectively reduce the whole volume of furnace end, simplify the overall structure of furnace end, the spare part that relates to is less, the production and processing cost reduces, packaging efficiency promotes.
Drawings
Fig. 1 is an assembly view of the furnace end body in the first embodiment of the present invention.
Fig. 2 is an exploded view of the burner body according to the first embodiment of the present invention.
Fig. 3 and 4 are sectional views of the furnace end body in different directions according to the first embodiment of the present invention.
Fig. 5 is an exploded view of a burner body according to a second embodiment of the present invention.
Fig. 6 is a side view of a burner body according to a second embodiment of the present invention.
Fig. 7 and 8 are sectional views of a burner body according to a second embodiment of the present invention in different directions.
Fig. 9 is a schematic structural view of an air guide member according to a second embodiment of the present invention.
Fig. 10 is a side view of a burner body according to a third embodiment of the present invention.
Fig. 11 is a side view of a burner body according to a fourth embodiment of the present invention.
Fig. 12 is an assembly view of a gas burner according to a fifth embodiment of the present invention.
Fig. 13 is an exploded view of a gas burner according to a fifth embodiment of the present invention.
Fig. 14 is a sectional view of a gas burner according to a fifth embodiment of the present invention.
Fig. 15 is a sectional view taken in the direction H-H in fig. 14.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
First embodiment
Referring to fig. 1 to 4, the multi-ring fire gas burner according to the embodiment includes a burner body a, a first injection channel 301 and a plurality of outer ring fire holes 201 distributed annularly are disposed on the burner body a, an air inlet end of the first injection channel 301 is communicated with a gas supply terminal, and an air outlet end of the first injection channel 301 is communicated with the outer ring fire holes 201; the furnace end body A is further provided with a plurality of first inner fire holes 101, and the air outlet end of the first injection channel 301 is communicated with the first inner fire holes 101. First draw and penetrate passageway 301 and communicate outer loop fire hole 201 and first interior fire hole 101 simultaneously, the gas supply terminal can supply with the gas to outer loop fire hole and first interior fire hole simultaneously through first drawing the passageway, with the first inner ring flame that forms outer loop flame and be located outer loop flame, this kind of first draw the passageway and communicate the structure in outer loop fire hole and first interior fire hole simultaneously, can guarantee that outer loop flame is even with first inner ring flame, and then effectively promote the heating effect, and one draws the passageway and can produce two rings of flames, effectively reduce the whole volume of furnace end, simplify the overall structure of furnace end, the spare part that relates to is less, the production and processing cost reduces, packaging efficiency promotes.
Further, an annular outer ring fire cavity 303 and a columnar first inner fire cavity 304 are arranged on the furnace end body A; the outer ring fire cavity 303 is respectively communicated with the first injection channel 301 and the outer ring fire hole 201 (specifically, an air inlet end at the bottom of the outer ring fire cavity 303 is communicated with an air outlet end of the first injection channel 301, an air outlet end at the top of the outer ring fire cavity 303 is communicated with the outer ring fire hole 201), and the first injection channel 301 is communicated with the outer ring fire hole 201 through the outer ring fire cavity 303 to supply air to the outer ring fire hole 201; the first inner fire cavity 304 is respectively communicated with the first injection passage 301 and the first inner fire hole 101 (specifically, an air inlet end at the bottom end of the first inner fire cavity 304 is communicated with the first injection passage 301, an air outlet end at the top end of the first inner fire cavity 304 is communicated with the first inner fire hole 101), and the first injection passage 301 is communicated with the first inner fire hole 101 through the first inner fire cavity 304 so as to supply air to the first inner fire hole 101; the first injection passage 301 extends transversely for gas transmission; the first inner fire hole 101 is located inside the outer ring fire hole 201, and the first inner fire cavity 304 is correspondingly located inside the outer ring fire cavity 303.
Further, the air outlet end of the first injection passage 301 is communicated with the outer ring fire cavity 303, and the air inlet end at the bottom end of the first inner fire cavity 304 is communicated between the air inlet end and the air outlet end at the top of the first injection passage 301.
Further, a second injection passage 302, an annular second inner fire cavity 305 and a plurality of annularly distributed second inner fire holes 102 are formed in the furnace end body a; the second inner fire cavity 305 is respectively communicated with the second injection passage 302 and the second inner fire hole 102 (specifically, the end part of the second injection passage 302 is communicated with the air inlet end at the bottom end of the second inner fire cavity 305, the air outlet end at the top end of the second inner fire cavity 305 is communicated with the second inner fire hole 102), and the second injection passage 302 is communicated with the second inner fire hole 102 through the second inner fire cavity 305 to supply air to the second inner fire hole 102; the second inner fire hole 102 is positioned inside the outer ring fire hole 201 (specifically, the second inner fire hole 102 is positioned between the outer ring fire hole 201 and the first inner fire hole 101) to form three-ring flames distributed inside and outside; the second inner fire cavity 305 is correspondingly positioned inside the outer ring fire cavity 303.
Further, the burner body a comprises an inner fire cover 1, an outer fire cover 2 and a burner base 3, wherein the inner fire cover 1 and the outer fire cover 2 (the inner fire cover 1 or the outer fire cover 2 can be according to the structural requirements) are respectively covered on the top of the burner base 3; the first inner fire holes 101 are formed in the top end face of the inner fire cover 1, and fuel gas is sprayed upwards through the first inner fire holes 101; a plurality of second inner fire holes 102 are annularly and uniformly distributed on the outer side wall of the inner fire cover 1; the outer ring fire cavity 303, the first inner fire cavity 304 and the second inner fire cavity 305 are respectively and integrally formed on the furnace end base 3, the inner fire cover 1 is covered above the first inner fire cavity 304 and the second inner fire cavity 305, and the outer fire cover 2 is covered above the outer ring fire cavity 303; the outer ring fire holes 201 are formed in the inner side wall and the outer side wall of the outer fire cover 2 (according to actual needs, the outer ring fire holes 201 can also be formed in the outer side wall or the inner side wall of the outer fire cover 2); the first injection passage 301 and the second injection passage 302 are respectively arranged at the bottom of the furnace end base 3.
Second embodiment
Referring to fig. 5 to 9, the multi-ring fire gas burner according to the present embodiment is different from the first embodiment in that: in order to guarantee the air supply quantity of the first inner fire hole 101, the furnace end body A is provided with a gas distribution part 401 used for distributing part of gas in the first injection channel 301 to the first inner fire hole 101, and the gas distribution part 401 is arranged on the inner side of the first injection channel 301.
Further, the gas distribution part 401 is an inclined plane (or an arc surface) which is communicated with the first injection passage 301 and the first inner fire hole 101, and part of the fuel gas in the first injection passage 301 can be conveyed to the first inner fire cavity 304 under the guidance of the gas distribution part 401 and finally reaches the first inner fire hole 101; a ventilation gap 308 is formed between the gas distributing part 401 and the inner wall of the first injection passage 301, the ventilation gap 308 is communicated with the outer ring fire hole 201, and part of the gas in the first injection passage 301 passes through the ventilation gap 308 and then reaches the outer ring fire cavity 303 and finally reaches the outer ring fire hole 201.
Further, the gas furnace end also comprises an air guide part 4, and the gas distributing part 401 is arranged on the air guide part 4; the air guide member 4 is provided with a support portion 402 and a positioning portion 403; the furnace end body A is provided with a supporting matching part 306 and a positioning matching part 307; the supporting portion 402 is supported on the supporting matching portion 306, and the positioning portion 403 and the positioning matching portion 307 are mutually positioned and matched. Specifically, the support portion 402 is an annular bottom surface on the air guide member 4, the support mating portion 306 is an annular boss on the inner wall of the first inner fire chamber 304, and the support portion 402 is stably supported on the support mating portion 306; positioning portion 403 is a convex boss protruding outward from the outer side wall of air guide 4, positioning matching portion 307 is a concave groove on the inner wall of first inner fire cavity 304, and positioning portion 403 and positioning matching portion 307 are in concave-convex fit with each other, so as to effectively prevent air guide 4 from deviating.
The other parts not described are substantially identical to those of the first embodiment and will not be described in detail here.
Third embodiment
Referring to fig. 10, the multi-flame gas burner according to the present embodiment is different from the second embodiment in that: the ventilation gap 308 between the gas distribution part 401 and the inner wall of the first injection channel 301 is eliminated; a plurality of ventilation hole positions 404 are formed in the gas distributing part 401, and the ventilation hole positions 404 are communicated with the outer ring fire holes 201; part of the fuel gas in the first injection passage 301 passes through the vent hole position 404 and reaches the outer ring fire cavity 303, and finally reaches the outer ring fire hole 201.
Other parts not described are substantially identical to those of the second embodiment and will not be described in detail here.
Fourth embodiment
Referring to fig. 11, the multi-flame gas burner according to the present embodiment is different from the second embodiment in that: besides the ventilation gap 308 arranged between the gas distribution part 401 and the inner wall of the first injection channel 301, a plurality of ventilation hole sites 404 are also arranged on the gas distribution part 401, and the ventilation hole sites 404 are communicated with the outer ring fire holes 201; part of the fuel gas in the first injection passage 301 passes through the ventilation gap 308 and the ventilation hole position 404 and then reaches the outer ring fire cavity 303 and finally reaches the outer ring fire hole 201.
Other parts not described are substantially identical to those of the second embodiment and will not be described in detail here.
Fifth embodiment
Referring to fig. 12 to 15, the multi-ring fire gas burner according to the present embodiment is different from the first embodiment in that: the furnace end body A is provided with a middle injection channel A1; the air outlet end of the first injection passage 301 is communicated with the first inner fire cavity 304 through the middle injection passage A1. The second injection passage 302, the second inner fire chamber 305 and the second inner fire hole 102 are omitted in this embodiment.
Further, the first inner fire hole 101 is formed in the outer side wall of the inner fire cover 1, and the first inner fire cavity 304 is integrally formed on the inner fire cover 1; the outer ring fire cavity 303 and the middle injection channel A1 are respectively formed by assembling an outer fire cover 2 and a furnace end base 3 together.
Other parts not described are substantially identical to those of the second embodiment and will not be described in detail here.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A multi-ring fire gas burner comprises a burner body (A), wherein a first injection channel (301) and a plurality of outer ring fire holes (201) which are distributed annularly are arranged on the burner body (A), the gas inlet end of the first injection channel (301) is communicated with a gas supply terminal, and the gas outlet end of the first injection channel (301) is communicated with the outer ring fire holes (201); the method is characterized in that: the burner body (A) is further provided with a plurality of first inner fire holes (101), and the air outlet end of the first injection channel (301) is communicated with the first inner fire holes (101).
2. The multi-ring gas burner of claim 1, wherein: an outer ring fire cavity (303) and a first inner fire cavity (304) are arranged on the furnace end body (A); the outer ring fire cavity (303) is respectively communicated with the first injection passage (301) and the outer ring fire hole (201), and the first injection passage (301) is communicated with the outer ring fire hole (201) through the outer ring fire cavity (303); the first inner fire cavity (304) is respectively communicated with the first injection passage (301) and the first inner fire hole (101), and the first injection passage (301) is communicated with the first inner fire hole (101) through the first inner fire cavity (304); the first inner fire hole (101) is positioned inside the outer ring fire hole (201).
3. The multi-ring gas burner of claim 2, wherein: the air outlet end of the first injection channel (301) is communicated with the outer ring fire cavity (303), and the first inner fire cavity (304) is communicated between the air inlet end and the air outlet end of the first injection channel (301).
4. The multi-ring gas burner of claim 2, wherein: the furnace end body (A) is provided with a middle injection channel (A1); the gas outlet end of the first injection passage (301) is communicated with the first inner fire cavity (304) through the middle injection passage (A1).
5. The multi-ring gas burner of claim 1, wherein: the furnace end body (A) is provided with a second injection channel (302), a second inner fire cavity (305) and a second inner fire hole (102); the second inner fire cavity (305) is respectively communicated with the second injection passage (302) and the second inner fire hole (102), and the second injection passage (302) is communicated with the second inner fire hole (102) through the second inner fire cavity (305); the second inner fire hole (102) is positioned inside the outer ring fire hole (201).
6. The multi-ring gas burner of claim 1, wherein: the burner body (A) comprises an inner fire cover (1), an outer fire cover (2) and a burner base (3), and the inner fire cover (1) and/or the outer fire cover (2) are/is arranged on the burner base (3) in a covering manner; the first inner fire hole (101) is formed in the inner fire cover (1); the outer ring fire hole (201) is formed in the outer fire cover (2); the first injection channel (301) is arranged on the furnace end base (3).
7. The multi-ring gas burner of any one of claims 1-6, wherein: the burner body (A) is provided with a gas distribution part (401) which is used for distributing part of gas in the first injection channel (301) to the first inner fire hole (101).
8. The multi-ring gas burner of claim 7, wherein: the gas distribution part (401) is an inclined surface or an arc surface which is communicated with the first injection passage (301) and the first inner fire hole (101); a ventilation gap (308) is arranged between the gas distribution part (401) and the inner wall of the first injection passage (301), and/or a ventilation hole position (404) is arranged on the gas distribution part (401), and the ventilation gap (308) and/or the ventilation hole position (404) are communicated with the outer ring fire hole (201).
9. The multi-ring gas burner of claim 7, wherein: the air distribution part (401) is arranged on the air guide part (4); the air guide part (4) is provided with a supporting part (402) and a positioning part (403); the furnace end body (A) is provided with a supporting matching part (306) and a positioning matching part (307); the supporting part (402) is supported on the supporting matching part (306), and the positioning part (403) and the positioning matching part (307) are mutually positioned and matched.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210213671 | 2022-03-04 | ||
| CN2022102136710 | 2022-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217402551U true CN217402551U (en) | 2022-09-09 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221468104.1U Active CN217402551U (en) | 2022-03-04 | 2022-06-11 | Multi-ring fire gas burner |
| CN202210658566.8A Pending CN114877329A (en) | 2022-03-04 | 2022-06-11 | Multi-ring fire gas burner |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210658566.8A Pending CN114877329A (en) | 2022-03-04 | 2022-06-11 | Multi-ring fire gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN217402551U (en) |
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2022
- 2022-06-11 CN CN202221468104.1U patent/CN217402551U/en active Active
- 2022-06-11 CN CN202210658566.8A patent/CN114877329A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN114877329A (en) | 2022-08-09 |
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