CN109990315B - Upper air inlet combustor - Google Patents
Upper air inlet combustor Download PDFInfo
- Publication number
- CN109990315B CN109990315B CN201711478667.2A CN201711478667A CN109990315B CN 109990315 B CN109990315 B CN 109990315B CN 201711478667 A CN201711478667 A CN 201711478667A CN 109990315 B CN109990315 B CN 109990315B
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- CN
- China
- Prior art keywords
- air
- fire
- seat
- nozzle
- groove
- Prior art date
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- 239000007788 liquid Substances 0.000 claims abstract description 46
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 73
- 239000007924 injection Substances 0.000 claims description 73
- 230000008602 contraction Effects 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 8
- 235000014347 soups Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/14—Spillage trays or grooves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/08—Arrangement or mounting of burners
- F24C3/085—Arrangement or mounting of burners on ranges
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The utility model provides an upward air inlet combustor, including flourishing liquid dish (1), mix gas seat (2) and locate the fire lid on mixing gas seat (2), be equipped with nozzle holder (6) on foretell flourishing liquid dish (1), this nozzle holder (6) have the nozzle, foretell mixing gas seat (2) are located flourishing liquid dish (1) up end and are equipped with the ejector tube, the air inlet of this ejector tube corresponds the nozzle setting, on aforesaid fire lid locates mixing gas seat (2), its characterized in that this combustor is still including locating heat dissipation piece (8) of flourishing liquid dish (1) lower terminal surface. The heat dissipation piece can be used for rapidly taking heat from the lower part of the liquid containing disc through the heat of the upper end face of the liquid containing disc, and the heat is taken away through air flow, so that the nozzle seat is not easy to be heated, and the normal operation of the nozzle is ensured.
Description
Technical Field
The utility model relates to a stove burner, and belongs to the technical field of combustion equipment of fuel gas.
Background
The existing kitchen range burner can be divided into an upper air inlet burner and a lower air inlet burner according to the injection mode of primary air, wherein primary air required by the lower air inlet burner enters an injection pipe from the lower part of a kitchen range surface, primary air of the lower air inlet burner is high in injection efficiency and fully premixed, but small fire is easy to extinguish when a cabinet door is opened and closed, and if the cabinet is not provided with an air inlet, the hidden danger of primary air shortage exists.
Primary air required by the upper air inlet burner enters the injection pipe from the upper part of the stove surface, the limitation of the primary air induction structure of the burner requires that the whole structure is compact, the injection pipe and the mixing cavity are simplified in structure, primary air and premixing are still insufficient, so that flame is weak and soft, the heat efficiency is low, the power of the burner is limited, and the cooking requirement of large fire cannot be met. The upper air inlet burner in the existing market is limited in structure, can not have a long injection pipe like the lower air inlet burner, has the problems of insufficient primary air injection, insufficient premixing space, incapability of realizing full sealing of a panel and the like, and therefore, the energy efficiency and the working condition of the upper air inlet burner are limited.
In the prior art, a plurality of designs are made on the upper air inlet burner, the number of injection pipes and the number of nozzles are increased to improve the combustion load, for example, chinese patent application publication No. 201010137880.9 discloses an upper air inlet high-power burner (application publication No. CN 101799159A), the injection structure of the burner is simplified by adopting a plurality of nozzles, and the problem of lower power of the upper air inlet burner is solved. Similarly, reference may also be made to chinese patent No. ZL201110007992.2, "upper inlet double burner with multiple injection systems" (issued to CN 201925928U).
For example, the Chinese patent application with application number 201510894006.2 discloses an upper air inlet combustor (application publication number CN 105351929A), which adopts a spiral injection pipe to improve injection effect, has a compact structure and can reasonably arrange an inner space.
In addition, the upper air inlet burner has the advantages that as the upper air inlet burner injection pipe, the nozzle, the burner fire cover and the like are all positioned above the panel, so that a great deal of trouble is brought to the cleaning of the panel due to the accumulation of parts above the panel, and the problem of nozzle blockage sometimes exists; therefore, it is necessary to design an upper air inlet burner, which is easy to clean on the basis of compact structure and improved injection capacity, and can effectively prevent the problems of fire cover blockage and nozzle blockage.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide an upper air inlet burner with a nozzle which is not easy to be heated and has good operation aiming at the prior art.
The utility model aims at solving the technical problem that the upper air inlet burner is compact in structure and good in injection effect.
Yet another technical problem to be solved by the present utility model is to provide an upper air intake burner which is convenient to clean.
Yet another technical problem to be solved by the present utility model is to provide an upper air intake burner with nozzles which are not easy to be blocked.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an upper air inlet combustor, includes flourishing liquid dish, mixes gas seat and locates the fire lid on the gas seat, is equipped with the nozzle holder on the aforesaid flourishing liquid dish, and the nozzle holder has the nozzle, and aforesaid mixes gas seat and locates flourishing liquid dish up end and be equipped with the ejector tube, and the inlet end of this ejector tube corresponds the nozzle setting, and aforesaid fire lid is located on the gas seat, and its characterized in that this combustor is still including locating the radiator of flourishing liquid dish lower extreme face.
The heat dissipation piece comprises a heat dissipation sheet and at least two supporting legs positioned at the lower end of the heat dissipation sheet. The heat dissipation piece is arranged in an overhead manner, which is beneficial to air flow, so that heat dissipation is quickened.
The radiating fin upwards has protruding portion, and this protruding portion contacts with the lower terminal surface of flourishing liquid dish, and flourishing liquid dish's heat can be taken away rapidly.
Further, the radiating fin is provided with radiating holes.
At least two nozzle seats which are arranged separately are arranged on the liquid containing disc, and each nozzle seat is provided with at least a first nozzle and a second nozzle; the upper end face of the air mixing seat is provided with an annular inner air mixing groove and an outer air mixing groove positioned at the outer side of the inner air mixing groove, at least two inner air inlets are formed in the inner air mixing groove, at least two outer air inlets are formed in the outer air mixing groove, at least two transversely arranged inner injection pipes and two transversely arranged outer injection pipes are arranged on the lower end face of the air mixing seat, the air outlet end of the inner injection pipes is communicated with the inner air inlets, the air inlet end of the inner injection pipes is correspondingly arranged with the first nozzles, the air outlet end of the outer injection pipes is communicated with the outer air inlets, and the air inlet end of the outer injection pipes is correspondingly arranged with the second nozzles; the fire cover is arranged on the gas mixing seat to form an outgoing fire hole and an inner fire hole, the outgoing fire hole is communicated with the outer gas mixing groove, and the inner fire hole is communicated with the inner gas mixing groove.
Further, the middle part of the gas mixing seat is an axial hollow through hole, an inner fire outlet groove is formed in the inner gas mixing groove along the top end, the fire cover comprises a first fire cover and a second fire cover which are all annular, the first fire cover is arranged on the outer edge of the outer gas mixing groove, an outer fire groove is formed in the top end of the first fire cover, the inner ring of the second fire cover is arranged in the inner gas mixing groove along the top end and forms an inner fire outlet hole with the inner fire outlet groove, and the outer ring of the second fire cover is arranged on the outer edge of the outer gas mixing groove and forms an outer fire hole with the outer fire groove.
The outer ring of the first fire cover is radially outwards provided with a diversion skirt edge which is obliquely arranged from inside to outside and downwards. The first fire cover is designed with a diversion skirt edge, so that two functions are realized: the first point water conservancy diversion shirt rim has the drain function, has the guide effect to the hot water juice, and the hot water juice flows to flourishing liquid dish after passing through the water conservancy diversion shirt rim, makes hot water juice deposit on flourishing liquid dish finally, and the second point water conservancy diversion shirt rim can be with penetrating pipe and nozzle holder and hiding in the combustor inside as far as, can prevent that hot water juice from flowing down from water conservancy diversion shirt rim department back and polluting penetrating pipe and nozzle holder, still realizes pleasing to the eye simultaneously.
The inner ring and the outer ring of the second fire cover are both bent upwards, so that the section of the second fire cover is concave. Thus, the second fire cover also has the function of containing part of soup.
The inner injection pipe and the outer injection pipe are bent in injection axial direction and respectively incline into the inner gas mixing groove and the outer gas mixing groove, and the inner injection pipe is arranged at the inner side of the outer inner injection pipe and has opposite injection directions. Compact structure is rationally distributed, does benefit to extension and draws ejector tube length, improves and draws ejection efficiency.
Further, the inner injection pipe comprises a first connecting part integrally formed with the gas mixing seat and a first injection joint connected with the first connecting part, and the first injection joint is provided with a contraction section and a diffusion section.
Further, the outer injection pipe comprises a second connecting part integrally formed with the gas mixing seat and a second injection joint connected with the second connecting part, and the second injection joint is provided with a contraction section and a diffusion section.
Further, the outer ring of the first fire cover is radially outwards provided with a diversion skirt, the diversion skirt is obliquely arranged from inside to outside, two sides of the first injection joint or the second injection structure are extended with a first connecting lug and a second connecting lug, the first connecting lug is connected to the lower end face of the gas mixing seat through a first connecting component, and the second connecting lug is connected to the lower end face of the diversion skirt through a second connecting component.
The liquid containing disc is gradually sunken from the middle part in the peripheral direction, at least three support columns are arranged between the upper end face of the liquid containing disc and the lower end face of the gas mixing seat so that gaps are formed between the upper end face of the liquid containing disc and the lower end face of the gas mixing seat. The gap can be used for the soup to flow to the center of the bottom of the liquid containing plate, so that the soup can be conveniently and intensively cleaned.
Compared with the prior art, the utility model has the advantages that: the heat dissipation piece can be used for rapidly taking heat from the lower part of the liquid containing disc through the heat of the upper end face of the liquid containing disc, and the heat is taken away through air flow, so that the nozzle seat is not easy to be heated, and the normal operation of the nozzle is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is an exploded view of an embodiment.
Fig. 3 is a perspective cross-sectional view of an embodiment.
Fig. 4 is a schematic view of another view angle structure of the air mixing seat in fig. 2.
Fig. 5 is an enlarged view of the embodiment with the tray, the air mixing seat and the fire cover removed.
Fig. 6 is an exploded view of fig. 5.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 and 2, the upper air intake burner in this embodiment includes a liquid containing tray 1, an air mixing seat 2, a heat dissipating member 8 and a fire cover, the liquid containing tray 1 is provided with two nozzle seats 6 arranged separately, and each nozzle seat 6 is provided with a first nozzle 61 and a second nozzle 62; the liquid tray 1 is provided with a thermocouple 1a and an ignition needle 1b.
The air mixing seat 2 is arranged on the upper end face of the liquid containing disc 1, the upper end face of the air mixing seat 2 is provided with an annular inner air mixing groove 22 and an outer air mixing groove 21 positioned outside the inner air mixing groove 22, at least two inner air inlet holes 221 are formed in the inner air mixing groove 22, two outer air inlet holes 211 are formed in the outer air mixing groove 21, two transversely arranged inner injection pipes and two transversely arranged outer injection pipes are arranged on the lower end face of the air mixing seat 2, the air outlet ends of the inner injection pipes are communicated with the inner air inlet holes 221, the air inlet ends of the inner injection pipes are correspondingly arranged with the first nozzles 61, the air outlet ends of the outer injection pipes are communicated with the outer air inlet holes 211, and the air inlet ends of the outer injection pipes are correspondingly arranged with the second nozzles 62;
the middle part of the air mixing seat 2 is hollow in the axial direction to form a central through hole 23, and an inner fire outlet groove 24 is formed in the inner air mixing groove 22 along the top end.
The fire cover is arranged on the gas mixing seat 2 to form an outgoing fire hole and an inner fire hole, the outgoing fire hole is communicated with the outer gas mixing groove 21, and the inner fire hole is communicated with the inner gas mixing groove 22. The fire cover in this embodiment includes a first fire cover 3 and a second fire cover 4, which are both annular, the first fire cover 3 is disposed on the outer edge of the outer air mixing tank 21, and the top end is formed with an outgoing fire tank 32, the inner ring of the second fire cover 4 is disposed on the inner edge top end of the inner air mixing tank 22 and forms an inner fire hole with the inner fire discharging tank 24, and the outer ring of the second fire cover 4 is disposed on the outer edge top end of the outer air mixing tank 21 and forms an outgoing fire hole with the outgoing fire tank 32.
The outer ring of the first fire cover 3 is radially outwards formed with a diversion skirt 31, and the diversion skirt 31 is obliquely arranged from inside to outside and downwards. As shown in fig. 3, both the inner ring and the outer ring of the second fire cover 4 are bent upward to make the cross section of the second fire cover 4 concave.
The inner injection pipe and the outer injection pipe in the embodiment are bent in the injection axial direction and respectively incline into the inner gas mixing groove 22 and the outer gas mixing groove 21, and the inner injection pipe is arranged on the inner side of the outer inner injection pipe and has opposite injection directions.
As shown in fig. 2 and 4, the inner injection pipe includes a first connecting portion 2b integrally formed with the gas mixing seat 2 and a first injection joint 5 connected with the first connecting portion 2b, and the first injection joint 5 has a contraction section and a diffusion section. The outer injection pipe comprises a second connecting part 2a integrally formed with the gas mixing seat 2 and a second injection joint 5a connected with the second connecting part 2a, wherein the second injection joint 5a is provided with a contraction section and a diffusion section.
The first injection joint 5 and the second injection joint 5a are provided with a first connecting lug 51 and a second connecting lug 52 in an extending mode, the first connecting lug 51 is connected to the lower end face of the gas mixing seat 2 through a first connecting component, and the second connecting lug 52 is connected to the lower end face of the flow guiding skirt 31 through a second connecting component.
The liquid containing disc 1 is gradually recessed from the middle part in the peripheral direction, three support columns 11 are arranged between the upper end surface of the liquid containing disc 1 and the lower end surface of the gas mixing seat 2 so that gaps are formed between the upper end surface of the liquid containing disc 1 and the lower end surface of the gas mixing seat 2, and soup can flow to the central position of the bottom of the liquid containing disc through the gaps, so that centralized cleaning is facilitated. The support column 11 is matched with the pad 26 of the air mixing seat.
As shown in fig. 5 and 6, the heat sink 8 is provided on the lower end surface of the liquid tray 1. The heat sink 8 includes a heat sink 81 and three support legs 82 at the lower end of the heat sink 81. The heat sink 81 has a convex portion 83 upward, and the convex portion 83 is in contact with the lower end surface of the tray 1. The heat sink 81 is provided with heat radiation holes 84.
The heat above the tray 1 is rapidly carried away by the bosses 83, and the heat is carried away from the fins by the air flow. The gap is arranged between the air mixing seat 2 and the nozzle seat 6, and the gap between the radiating fins and the lower end surface of the liquid containing disc is favorable for radiating primary air and secondary air to take away heat, so that the nozzle seat is not easy to be heated, and the normal operation of the nozzle is ensured.
The inner and outer ring nozzles share a nozzle seat, and the raw materials are saved; secondly, after being integrated into one nozzle seat, the space occupied by the nozzle seat is effectively saved, the injection pipe can be arranged longer in the saved space, and the injection efficiency is improved; thirdly, after being integrated into a nozzle seat, the structure on the liquid containing disc is simplified, and the cleaning performance is effectively improved.
Through the connection of first connection ear piece and second connection ear piece, make injection pipe and gas mixing seat and outer loop fire lid three combine as an organic wholely, form the integrative sub-unit of fire lid, the integrative sub-unit is portable, only leaves two nozzle holders, thermocouple and ignition needle on taking off the back liquid containing dish with the integral part, realizes easy cleanness.
The second fire cover is designed into a hollow structure, so that on one hand, the inner ring fire hole can be prevented from being blocked by soup, and on the other hand, the soup can directly flow into the liquid containing disc after flowing down from the bottom of the pot, and the liquid containing disc has a good liquid containing function.
The first fire cover is designed with a diversion skirt edge, so that two functions are realized: the first point water conservancy diversion shirt rim has the drain function, has the guide effect to the hot water juice, and the hot water juice flows to flourishing liquid dish after passing through the water conservancy diversion shirt rim, makes hot water juice deposit on flourishing liquid dish finally, and the second point water conservancy diversion shirt rim can be with penetrating pipe and nozzle holder and hiding in the combustor inside as far as, can prevent that hot water juice from flowing down from water conservancy diversion shirt rim department back and polluting penetrating pipe and nozzle holder, still realizes pleasing to the eye simultaneously.
Claims (13)
1. The utility model provides an upward air inlet combustor, including flourishing liquid dish (1), mix gas seat (2) and locate the fire lid on mixing gas seat (2), be equipped with nozzle holder (6) on foretell flourishing liquid dish (1), this nozzle holder (6) have the nozzle, foretell mixing gas seat (2) are located flourishing liquid dish (1) up end and are equipped with the ejector tube, the air inlet of this ejector tube corresponds the nozzle setting, on aforesaid fire lid locates mixing gas seat (2), its characterized in that this combustor is still including locating heat dissipation piece (8) of flourishing liquid dish (1) lower terminal surface.
2. The upper air intake burner according to claim 1, wherein the heat sink (8) comprises a heat sink (81) and at least two support legs (82) located at the lower end of the heat sink (81).
3. The upper intake burner according to claim 2, characterized in that the heat sink (81) has a raised portion (83) upwards, which raised portion (83) is in contact with the lower end face of the tray (1).
4. The upper air intake burner according to claim 2, characterized in that the cooling fins (81) are provided with cooling holes (84).
5. The upper intake air burner of any one of claims 1 to 4, wherein
At least two nozzle seats (6) which are arranged separately are arranged on the liquid containing disc (1), and each nozzle seat (6) is provided with at least a first nozzle (61) and a second nozzle (62);
the upper end face of the air mixing seat (2) is provided with an annular inner air mixing groove (22) and an outer air mixing groove (21) positioned outside the inner air mixing groove (22), the inner air mixing groove (22) is provided with at least two inner air inlets (221), the outer air mixing groove (21) is provided with at least two outer air inlets (211), the lower end face of the air mixing seat (2) is provided with at least two inner injection pipes and two outer injection pipes which are transversely arranged, the air outlet end of the inner injection pipes is communicated with the inner air inlets (221), the air inlet end of the outer injection pipes is correspondingly arranged with the outer air inlets (211), and the air inlet end of the outer injection pipes is correspondingly arranged with the second nozzles (62);
the fire cover is arranged on the gas mixing seat (2) to form an outgoing fire hole and an inner fire hole, the outgoing fire hole is communicated with the outer gas mixing groove (21), and the inner fire hole is communicated with the inner gas mixing groove (22).
6. The upper air intake burner of claim 5, wherein the middle part of the air mixing seat (2) is hollow in the axial direction to form a central through hole (23), an inner fire outlet groove (24) is formed in the inner edge top of the inner air mixing groove (22), the fire cover comprises a first fire cover (3) and a second fire cover (4) which are all annular, the first fire cover (3) is arranged on the outer edge of the outer air mixing groove (21) and the top end of the first fire cover is formed with an outer fire groove (32), the inner ring of the second fire cover (4) is arranged in the inner edge top end of the inner air mixing groove (22) and forms an inner fire outlet hole with the inner fire outlet groove (24), and the outer ring of the second fire cover (4) is arranged in the outer edge top end of the outer air mixing groove (21) and forms an outer fire hole with the outer fire groove (32).
7. The upper air intake burner according to claim 6, wherein the outer ring of the first fire cover (3) is radially outwardly formed with a guide skirt (31), and the guide skirt (31) is inclined from inside to outside.
8. The upper air intake burner according to claim 6, wherein the inner ring and the outer ring of the second fire cover (4) are bent upward to make the cross section of the second fire cover (4) concave.
9. The upper air intake burner of claim 6, wherein the inner injection pipe and the outer injection pipe are bent in the axial direction and are respectively inclined into the inner air mixing groove (22) and the outer air mixing groove (21), and the inner injection pipe is arranged inside the outer inner injection pipe and has opposite injection directions.
10. The upper air intake burner of claim 9, wherein the inner ejector tube comprises a first connecting portion (2 b) integrally formed with the air mixing seat (2) and a first ejector joint (5) connected with the first connecting portion (2 b), and the first ejector joint (5) has a contraction section and a diffusion section.
11. The upper air intake burner according to claim 9, wherein the outer injection pipe comprises a second connecting portion (2 a) integrally formed with the air mixing seat (2) and a second injection joint (5 a) connected with the second connecting portion (2 a), and the second injection joint (5 a) has a contraction section and a diffusion section.
12. The upper air intake burner according to claim 10, wherein the outer ring of the first fire cover (3) is radially and outwardly formed with a guiding skirt (31), the guiding skirt (31) is inclined from inside to outside and is disposed downward, two sides of the first injection joint (5) or the second injection joint (5 a) are extended with a first connecting lug (51) and a second connecting lug (52), the first connecting lug (51) is connected to the lower end face of the air mixing seat (2) through a first connecting member, and the second connecting lug (52) is connected to the lower end face of the guiding skirt (31) through a second connecting member.
13. The upper air intake burner of claim 1, wherein the liquid containing disc (1) is gradually recessed from the middle part in the peripheral direction, and at least three support columns (11) are arranged between the upper end surface of the liquid containing disc (1) and the lower end surface of the air mixing seat (2) so that a gap is formed between the upper end surface of the liquid containing disc (1) and the lower end surface of the air mixing seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478667.2A CN109990315B (en) | 2017-12-29 | 2017-12-29 | Upper air inlet combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478667.2A CN109990315B (en) | 2017-12-29 | 2017-12-29 | Upper air inlet combustor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990315A CN109990315A (en) | 2019-07-09 |
| CN109990315B true CN109990315B (en) | 2024-01-16 |
Family
ID=67109882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711478667.2A Active CN109990315B (en) | 2017-12-29 | 2017-12-29 | Upper air inlet combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990315B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936548A (en) * | 2010-09-03 | 2011-01-05 | 华中科技大学 | A gas cooker with upward air intake |
| CN102661606A (en) * | 2012-05-29 | 2012-09-12 | 迅达科技集团股份有限公司 | Top-intake burner of gas cooker |
| WO2014127725A1 (en) * | 2013-02-20 | 2014-08-28 | 浙江美大实业股份有限公司 | Blower-type fully-premixing household gas stove |
| CN107305023A (en) * | 2016-04-18 | 2017-10-31 | 华帝股份有限公司 | Upper air inlet gas stove |
| CN207661828U (en) * | 2017-12-29 | 2018-07-27 | 宁波方太厨具有限公司 | A kind of upper inlet wind type burner |
-
2017
- 2017-12-29 CN CN201711478667.2A patent/CN109990315B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936548A (en) * | 2010-09-03 | 2011-01-05 | 华中科技大学 | A gas cooker with upward air intake |
| CN102661606A (en) * | 2012-05-29 | 2012-09-12 | 迅达科技集团股份有限公司 | Top-intake burner of gas cooker |
| WO2014127725A1 (en) * | 2013-02-20 | 2014-08-28 | 浙江美大实业股份有限公司 | Blower-type fully-premixing household gas stove |
| CN107305023A (en) * | 2016-04-18 | 2017-10-31 | 华帝股份有限公司 | Upper air inlet gas stove |
| CN207661828U (en) * | 2017-12-29 | 2018-07-27 | 宁波方太厨具有限公司 | A kind of upper inlet wind type burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109990315A (en) | 2019-07-09 |
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