CN109724077A - A kind of fire cover and the gas burner using the fire cover - Google Patents
A kind of fire cover and the gas burner using the fire cover Download PDFInfo
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- CN109724077A CN109724077A CN201711046460.8A CN201711046460A CN109724077A CN 109724077 A CN109724077 A CN 109724077A CN 201711046460 A CN201711046460 A CN 201711046460A CN 109724077 A CN109724077 A CN 109724077A
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 22
- 238000005452 bending Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 7
- 230000000295 complement effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The present invention relates to a kind of fire covers of gas burner, including the first fire cover ontology, it includes annular top surface and the inside edge by the annular top surface, outer ledge is vertical or the internal ring wall and external annulus that extend obliquely downward, above-mentioned annular top surface, the first mixed air cavity is formed between internal ring wall and external annulus, and circumferentially spaced on above-mentioned external annulus it is provided with main fire hole, it is circumferentially spaced in annular top surface to be equipped at least three pieces supporting blocks for being used to support pan bottom, each supporting block upwardly extends, and the auxiliary fire hole being connected to the above-mentioned first mixed air cavity is offered on its medial surface, Means of Secondary Air Supplement mouth is formed between adjacent supporting block；Further relate to the gas burner using the fire cover.The configuration of the present invention is simple without separately setting pan bracket, and passes through setting auxiliary fire hole, it can increase the central concentrated load of burner without reducing the height of supporting block in this way, in addition, can be by upper supplementary auxiliary air of the Means of Secondary Air Supplement mouth from the first fire cover ontology, to improve efficiency of combustion.
Description
Technical field
The present invention relates to the gas burners of gas-cooker field more particularly to a kind of fire cover and the application fire cover.
Background technique
Gas burner includes pedestal, mixed air cavity, external ring fire cover and interior ring fire cover, and wherein pedestal is arranged in mixing chamber
Top, and external ring fire cover and interior ring fire cover are separately positioned on the top of mixing chamber.Wherein, external ring fire cover is generally annular, including
Annular upper wall, as the annular upper wall medial and lateral along respectively straight down or internal ring wall and outer ring made of extending obliquely downward
Wall, the annular upper wall, internal ring wall and external annulus, which enclose, to be set to form mixed air cavity, and outer ring fire output hole is offered on the external annulus.Interior ring fire
Lid generally comprises the pedestal of tubular and lid sets lid on the pedestal, is provided with inner ring fire output hole on the lid.
There are many modes for improving the combustion efficiency of burner, such as by reducing the height of pan bracket, to increase center
The mode of load, although this kind of mode can theoretically improve efficiency of combustion, if actual use in pan bracket setting compared with
Low, the bottom of a pan face and fire cover hypotelorism can then influence to burn, from another point of view to reduce efficiency of combustion.
Therefore, it generally believes at present in the ratio of primary air since the limitation of ejection system structure can not effective raised feelings
Under condition, the supply for increasing auxiliary air is considered as improving efficiency of combustion most effective way.However, as described above existing
The supply capacity of burner structure, auxiliary air is limited, is far from satisfying the needs of more efficient burning (75%).
Summary of the invention
First technical problem to be solved by this invention be for the prior art and provide it is a kind of can effectively improve it is secondary
Air supplements the fire cover of the gas burner of efficiency.
Second technical problem to be solved by this invention be for the prior art and provide it is a kind of can effectively improve it is secondary
The gas burner of air supplement efficiency.
The present invention solves technical solution used by above-mentioned first technical problem are as follows: a kind of fire cover of gas burner,
Including cricoid first fire cover ontology, which includes annular top surface and the inside edge, outer by the annular top surface
Side edge is vertical or the internal ring wall and external annulus that extend obliquely downward, is formed between above-mentioned annular top surface, internal ring wall and external annulus
First mixed air cavity, and circumferentially spaced on above-mentioned external annulus it is provided with main fire hole, which is characterized in that along week in the annular top surface
At least three pieces supporting blocks for being used to support pan bottom are equipped with to interval, each supporting block upwardly extends, and on its medial surface
The auxiliary fire hole being connected to the above-mentioned first mixed air cavity is offered, forms Means of Secondary Air Supplement mouth between adjacent supporting block.
Preferably, the first fire cover ontology includes first part and second part, the first part and second part
It being provided at circumferentially spaced along the first fire cover ontology, wherein the bottom of each first part is respectively formed air inlet, and each second part
Bottom is connected by connection wall respectively.
Further, it is preferable that the whole semicircular in shape in the cross section of each first part, and the cross of the second part
Section is whole rounded, acts on so as to advanced optimize first part and second part surface to the attached wall of air, into one
Step improves Means of Secondary Air Supplement efficiency.
Preferably, each air inlet is connected separately with a gas mixing pipe, secondary sky is formed between adjacent gas mixing pipe
Gas supply port, the auxiliary air supply port correspond with above-mentioned Means of Secondary Air Supplement mouth and distinguish opposite up and down.In this way from two
The partial air of secondary air supply port escape can be again introduced into corresponding under the action of the wall attachment effect of the outer ring surface of external annulus
In Means of Secondary Air Supplement mouth, correspondingly, the partial air escaped from Means of Secondary Air Supplement mouth can be in the attached of the outer ring surface of external annulus
Enter in corresponding auxiliary air supply port under the action of wall effect, to sufficiently improve the supply efficiency of auxiliary air.
Preferably, the duct of the auxiliary fire hole is inclined relative to horizontal in above-mentioned supporting block and upwardly extends, from
And auxiliary heating preferably can be carried out to the bottom surface of cookware by the auxiliary fire hole.
Preferably, the auxiliary fire hole is all provided with along the width direction interval of each supporting block, and parallel with above-mentioned main fire hole.
Preferably, each supporting block is hollow structure and communicates respectively with the above-mentioned first mixed air cavity.
Preferably, the upper end of each supporting block makees the bending of rounding off outward respectively and tilts upward extension, thus
Support cambered surface is respectively formed on end face thereon, each supporting block is enabled preferably to support the bottom surface of cookware.
The present invention solves technical solution used by above-mentioned second technical problem are as follows: a kind of application has above-mentioned fire cover
Gas burner, external ring fire cover and interior ring fire cover including pedestal and setting on the base, which is characterized in that the external ring fire cover
Using fire cover structure as described above, outer ring cavity is provided in the inner cavity of the pedestal, offered on the top plate of pedestal with it is upper outer
Ring cavity communicates outer ring blow vent, and the number of the outer ring blow vent and the number of above-mentioned gas mixing pipe match, and each gas mixing pipe
Free end be connected in corresponding outer ring blow vent so that outer ring cavity by respectively by each outer ring blow vent with
Each gas mixing pipe connection.
Preferably, the interior ring fire cover uses fire cover structure as described above, it is additionally provided in the inner cavity of the pedestal
Interior ring cavity is also provided with the inner ring blow vent communicated with the interior ring cavity on the top plate of the pedestal；Of the inner ring blow vent
Several numbers with above-mentioned gas mixing pipe match, and the free end of each gas mixing pipe is connected in corresponding inner ring blow vent,
So that outer ring cavity is connected to by passing through each outer ring blow vent respectively with each gas mixing pipe, and the auxiliary air on interior ring fire cover
It is opposite inside and outside auxiliary air supply port on supply port and external ring fire cover.
Compared with the prior art, the advantages of the present invention are as follows: it is provided with supporting block on the first fire cover ontology of the invention, from
And the bottom surface of cookware can be supported by the supporting block, in addition, auxiliary fire hole is respectively arranged in each supporting block, and adjacent branch
Means of Secondary Air Supplement mouth is formed between bracer.The setting of the supporting block so not only makes the structure of burner simple, without another
If pan bracket, and by setting auxiliary fire hole, the height without reducing supporting block can increase the central concentrated load of burner, this
It outside, can be by upper supplementary auxiliary air of the Means of Secondary Air Supplement mouth from the first fire cover ontology, to improve efficiency of combustion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of burner in the embodiment of the present invention 1；
Fig. 2 is cross-sectional view of the Fig. 1 along the direction A-A；
Fig. 3 is cross-sectional view of the Fig. 1 along the direction B-B；
Fig. 4 is the structural exploded view of burner in the embodiment of the present invention 1；
Fig. 5 is the structural schematic diagram of the second fire cover ontology in the embodiment of the present invention 1；
Fig. 6 is the structural schematic diagram of the other direction of Fig. 5；
Fig. 7 is the structural schematic diagram of burner in the embodiment of the present invention 2；
Fig. 8 is cross-sectional view of the Fig. 7 along the direction C-C.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment 1:
As shown in figs. 1 to 6, a kind of gas burner, including pedestal 1 and the external ring fire cover 13 that is arranged on pedestal 1 and interior
Ring fire cover 14.Wherein external ring fire cover 13 includes cricoid first fire cover ontology 2, which includes annular top surface 201
And by the inside edge of the annular top surface 201, outer ledge is vertical or the internal ring wall 203 and external annulus 202 that extend obliquely downward,
The first mixed air cavity 24, and edge on above-mentioned external annulus 202 are formed between above-mentioned annular top surface 201, internal ring wall 203 and external annulus 202
It has been provided at circumferentially spaced main fire hole 25.
Further, external ring fire cover ontology 2 includes first part 20a and second part 20b, first part 20a and second
Part 20b is provided at circumferentially spaced along external ring fire cover ontology 2, wherein the bottom of each first part 20a is respectively formed air inlet
204a, and air inlet 204a is connected separately with a gas mixing pipe 22, and auxiliary air supplement is formed between adjacent gas mixing pipe 22
Mouth 23, and the bottom of each second part 20b passes through connection wall 204 respectively and connects.Above-mentioned gas mixing pipe 22 is four in the present embodiment,
Accordingly, above-mentioned auxiliary air supply port 23 is also four.
Above-mentioned annular top surface 201, the outer ring surface of external annulus 202, the outer ring surface of internal ring wall 203 and connection wall 204 it is outer
In anchor ring, at least the outer ring surface of external annulus 202 is in arc-shaped.Preferably, above-mentioned annular top surface 201, external annulus 202 outer ring
The outer ring surface in face, the outer ring surface of internal ring wall 203 and connection wall 204 is in arc-shaped, and adjacent formation between the two is round
It slips over and crosses.The whole semicircular in shape in the cross section of i.e. each above-mentioned first part 20a, and the cross section of above-mentioned second part 20b is equal
It is whole rounded, wall attachment effect can be utilized in this way, so that air is wraps closely about the outer surface of entire first fire cover ontology 2,
So as to shorten the supply path of auxiliary air, and then it can more efficiently supplement auxiliary air.
Further, one piece of supporting block for being used to support pan bottom is respectively fixed at the top of above-mentioned first part 20a
21, each supporting block 21 upwardly extends, and the auxiliary fire hole being connected to the above-mentioned first mixed air cavity 24 is offered on its medial surface
211.The setting of supporting block 21 not only makes the structure of burner simple in the present embodiment, without separately setting pan bracket, and is arranged
Fire hole 211 is assisted, the height without reducing supporting block 21 can increase the central concentrated load of burner, to improve its burning effect
Rate.In addition, forming Means of Secondary Air Supplement mouth 212 between adjacent supporting block 21, pass through 212 energy of Means of Secondary Air Supplement mouth in this way
Auxiliary air is supplemented by the top of the first fire cover ontology 2, further shortens the supply path of auxiliary air, and with above-mentioned two
Secondary 23 mating reaction of air supply port can be further improved the supplement efficiency of auxiliary air.Preferably, the Means of Secondary Air Supplement mouth
212 with above-mentioned auxiliary air supply port 23 corresponds respectively and up and down relatively, in this way from auxiliary air supply port 23 escape
Partial air can be again introduced into corresponding Means of Secondary Air Supplement mouth under the action of the wall attachment effect of the outer ring surface of external annulus 202
In 212, correspondingly, the partial air escaped from Means of Secondary Air Supplement mouth 212 can be in the wall attachment effect of the outer ring surface of external annulus 202
Under the action of enter corresponding auxiliary air supply port 23 in, thus sufficiently improve auxiliary air supply efficiency.
Preferably, it assists the duct of fire hole 211 to be inclined relative to horizontal in above-mentioned supporting block 21 to upwardly extend, thus
Auxiliary heating preferably can be carried out to the bottom surface of cookware by the auxiliary fire hole 211.Assist fire hole 211 along the width of each supporting block 21
Degree direction interval is all provided with, and parallel with above-mentioned main fire hole 25.In addition, above-mentioned supporting block 21 is hollow structure and respectively with above-mentioned the
One mixed air cavity 24 communicates, and the supporting block 21 is integrated with the first fire cover ontology 2 and gas mixing pipe 22, not only facilitates processing
Manufacture, and the internal structure of fire cover can be made more firm.In addition, to enable each supporting block 21 preferably to support pan bottom,
Preferably, the upper end of each supporting block 21 makees the bending of rounding off outward respectively and tilts upward extension, thus end face on it
On be respectively formed support cambered surface 210.
It is provided with outer ring cavity 11 and interior ring cavity 12 in inner cavity in said base 1, and is opened up respectively on the top plate 10 of pedestal 1
Outer ring blow vent 101 and inner ring blow vent 102, wherein the number phase of the number of outer ring blow vent 101 and above-mentioned gas mixing pipe 22
Match, and the free end of each gas mixing pipe 22 is connected in corresponding outer ring blow vent 101, so that outer ring cavity 11 is distinguished
It is connected to by each outer ring blow vent 101 with each gas mixing pipe 22.
Above-mentioned inner ring blow vent 102 is communicated with interior ring cavity 12.Above-mentioned interior ring fire cover 14 includes the second fire cover of open topped
Ontology 32 and lid are located at the lid 31 of the oral area of the second fire cover ontology 32, and the upper end-face edge of above-mentioned second fire cover ontology 32 is along week
To inner ring fire hole 30 is provided with, the inner cavity of second fire cover ontology 32 corresponding with the inner ring fire hole 30 constitutes the second mixed air cavity 33,
And 32 part of the second fire cover ontology of the lower section of the second mixed air cavity 33 is provided with perforative mixed gas channel 324 up and down, the mixed gas
The number in channel 324 matches with above-mentioned inner ring blow vent 102, and each mixed gas channel 324 is separately positioned on corresponding inner ring
On blow vent 102, to be connected to inner ring blow vent 102 and the above-mentioned second mixed air cavity 33 by each mixed gas channel 324.
Preferably, the second fire cover ontology 32 has centre bore 34, circumferentially spaced on the side wall of the second fire cover ontology 32
It is provided with the auxiliary air complementary apertures 325 communicated respectively with the centre bore 34.Of auxiliary air complementary apertures 325 in the present embodiment
Number is corresponding with above-mentioned auxiliary air supply port 23, and each auxiliary air supply port 23 and auxiliary air complementary apertures 325 accordingly
Front and back is opposite, to can be shortened Means of Secondary Air Supplement path, improves supply efficiency.For the Means of Secondary Air Supplement for making interior ring fire cover 14
Effect is more preferable, the uniformly flaring from inside to outside of auxiliary air complementary apertures 325.
In addition, the upper end edge of the second fire cover ontology 32 is provided at circumferentially spaced the big groove of oriented lower recess in the present embodiment
321, and convex block 322 is respectively formed between each big groove 321, the little groove to lower recess is offered on each convex block 322 respectively
323, the outer ledge of above-mentioned lid 31 is shelved on above-mentioned upper end-face edge, to make the outer ledge and each big groove of lid 31
321 and each little groove 323 be respectively enclosed to big fire hole 301 and small fire hole 302, the big fire hole 301 and small fire hole 302 are constituted in above-mentioned
Ring fire hole 30.Above-mentioned big groove 321 and little groove 323 are square groove, so that above-mentioned big fire hole 301 and small fire hole 302
It is square hole, and then conveniently to the cleaning of fire hole.Preferably, on upper surface circumferentially arranged oriented lower recess steady flame slot
326, so as to the burning for keeping inner ring fire hole 30 more stable, avoid the generation for phenomena such as being tempered, is flame-out.
Embodiment 2:
As seen in figs. 6 and 8, unlike the first embodiment, the interior ring fire cover 14 in the present embodiment is used with embodiment 1 not
Same structure.Specifically, the structure phase of the external ring fire cover 13 in the structure with embodiment 1 of the interior ring fire cover 14 in the present embodiment
Together.The number of inner ring blow vent 102 and the number of above-mentioned gas mixing pipe 22 in this way matches, and the free end of each gas mixing pipe 22 point
Be not connected in corresponding inner ring blow vent 102 so that outer ring cavity 11 by respectively by each outer ring blow vent 101 with it is each
Gas mixing pipe 22 is connected to, and the auxiliary air supply port 23 on interior ring fire cover 14 and the auxiliary air supply port on external ring fire cover 13
It is opposite inside and outside 23.
Claims (10)
1. a kind of fire cover of gas burner, including cricoid first fire cover ontology (2), which includes ring
Shape top surface (201) and by the inside edge of the annular top surface (201), outer ledge is vertical or the internal ring wall that extends obliquely downward
(203) and external annulus (202) the first mixed gas, is formed between above-mentioned annular top surface (201), internal ring wall (203) and external annulus (202)
Chamber (24), and circumferentially spaced on above-mentioned external annulus (202) it is provided with main fire hole (25), which is characterized in that the annular top surface
(201) circumferentially spaced on to be equipped at least three pieces supporting blocks (21) for being used to support pan bottom, each supporting block (21) to
Upper extension, and the auxiliary fire hole (211) being connected to the above-mentioned first mixed air cavity (24), adjacent supporting block are offered on its medial surface
(21) Means of Secondary Air Supplement mouth (212) are formed between.
2. fire cover as described in claim 1, which is characterized in that the first fire cover ontology (2) include first part (20a) and
Second part (20b), the first part (20a) and second part (20b) are provided at circumferentially spaced along the first fire cover ontology (2),
In, the bottom of each first part (20a) is respectively formed air inlet (204a), and the bottom of each second part (20b) passes through respectively
Connection wall (204) connection.
3. fire cover as claimed in claim 2, which is characterized in that the cross section of each first part (20a) is integrally in half
Circle, and the cross section of the second part (20b) is whole rounded.
4. fire cover as claimed in claim 3, which is characterized in that each air inlet (204a) is connected separately with a gas mixing pipe
(22), auxiliary air supply port (23) are formed between adjacent gas mixing pipe (22), the auxiliary air supply port (23) and above-mentioned two
Secondary air supply mouth (212) corresponds and difference is opposite up and down.
5. such as the described in any item fire covers of Claims 1 to 4, which is characterized in that the duct of auxiliary fire hole (211) is above-mentioned
It is inclined relative to horizontal and upwardly extends in supporting block (21).
6. such as the described in any item fire covers of Claims 1 to 4, which is characterized in that the auxiliary fire hole (211) is along each supporting block
(21) width direction interval is all provided with, and parallel with above-mentioned main fire hole (25).
7. such as the described in any item fire covers of Claims 1 to 4, which is characterized in that each supporting block (21) be hollow structure simultaneously
It is communicated respectively with the above-mentioned first mixed air cavity (24).
8. such as the described in any item fire covers of Claims 1 to 4, which is characterized in that make outward respectively the upper end of each supporting block (21)
The bending of rounding off simultaneously tilts upward extension, to be respectively formed support cambered surface (210) on end face on it.
9. a kind of application is just like the gas burner of the fire cover described in claim 4~8, including pedestal (1) and setting are in pedestal
(1) external ring fire cover (13) and interior ring fire cover (14) on, which is characterized in that the external ring fire cover (13) is using fire as described above
Lid structure is provided with outer ring cavity (11) in the inner cavity of the pedestal (1), offers and upper outer ring on the top plate (10) of pedestal (1)
Chamber (11) communicates outer ring blow vent (101), the number and the number phase of above-mentioned gas mixing pipe (22) of the outer ring blow vent (101)
Match, and the free end of each gas mixing pipe (22) is connected in corresponding outer ring blow vent (101), so that outer ring cavity
(11) by being connected to respectively by each outer ring blow vent (101) with each gas mixing pipe (22).
10. gas burner as claimed in claim 9, which is characterized in that the interior ring fire cover (14) is using as described above
Fire cover structure is additionally provided with interior ring cavity (12) in the inner cavity of the pedestal (1), also opens up on the top plate (10) of the pedestal (1)
There is the inner ring blow vent (102) communicated with the interior ring cavity (12)；
The number of the inner ring blow vent (102) and the number of above-mentioned gas mixing pipe (22) match, and each gas mixing pipe (22)
Free end is connected in corresponding inner ring blow vent (102), so that outer ring cavity (11) by passing through each outer ring respectively
Blow vent (101) is connected to each gas mixing pipe (22), and auxiliary air supply port (23) and outer ring fire on interior ring fire cover (14)
It covers opposite inside and outside the auxiliary air supply port (23) on (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046460.8A CN109724077B (en) | 2017-10-31 | 2017-10-31 | Fire cover and gas burner using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046460.8A CN109724077B (en) | 2017-10-31 | 2017-10-31 | Fire cover and gas burner using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109724077A true CN109724077A (en) | 2019-05-07 |
| CN109724077B CN109724077B (en) | 2024-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711046460.8A Active CN109724077B (en) | 2017-10-31 | 2017-10-31 | Fire cover and gas burner using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109724077B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360566A (en) * | 2019-07-30 | 2019-10-22 | 宁波方太厨具有限公司 | Fire cover for kitchen range |
| CN110864295A (en) * | 2019-10-31 | 2020-03-06 | 宁波方太厨具有限公司 | Outer ring fire cover, combustor using fire cover and gas stove using combustor |
| CN112146093A (en) * | 2019-06-26 | 2020-12-29 | 宁波方太厨具有限公司 | Fire cover of kitchen range |
| CN112902170A (en) * | 2021-01-26 | 2021-06-04 | 宁波方太厨具有限公司 | Fire cover assembly and combustor comprising same |
| CN112923368A (en) * | 2019-12-05 | 2021-06-08 | 宁波方太厨具有限公司 | Burner furnace end and kitchen range using same |
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| CN110360566A (en) * | 2019-07-30 | 2019-10-22 | 宁波方太厨具有限公司 | Fire cover for kitchen range |
| CN110864295A (en) * | 2019-10-31 | 2020-03-06 | 宁波方太厨具有限公司 | Outer ring fire cover, combustor using fire cover and gas stove using combustor |
| CN112923368A (en) * | 2019-12-05 | 2021-06-08 | 宁波方太厨具有限公司 | Burner furnace end and kitchen range using same |
| CN112923368B (en) * | 2019-12-05 | 2022-03-08 | 宁波方太厨具有限公司 | Burner furnace end and kitchen range using same |
| CN112902170A (en) * | 2021-01-26 | 2021-06-04 | 宁波方太厨具有限公司 | Fire cover assembly and combustor comprising same |
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| CN109724077B (en) | 2024-01-16 |
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