CN114110581A - Rotary fire cover assembly, combustor and gas stove - Google Patents
Rotary fire cover assembly, combustor and gas stove Download PDFInfo
- Publication number
- CN114110581A CN114110581A CN202111511996.9A CN202111511996A CN114110581A CN 114110581 A CN114110581 A CN 114110581A CN 202111511996 A CN202111511996 A CN 202111511996A CN 114110581 A CN114110581 A CN 114110581A
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- CN
- China
- Prior art keywords
- annular
- strip
- shaped
- fire cover
- fire
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Classifications
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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
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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
-
- 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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- 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
Abstract
The invention discloses a rotary fire cover assembly, a burner and a gas stove, wherein the rotary fire cover assembly comprises a first annular fire cover and a second annular fire cover, the first annular fire cover is provided with first strip-shaped holes which are annularly arranged and extend in the annular width direction, a first strip-shaped boss and a second strip-shaped boss are arranged at the edge part of the first annular fire cover and between two adjacent first strip-shaped holes, the first strip-shaped boss and the second strip-shaped boss at the two sides of the first strip-shaped hole jointly enclose a fire cavity, the second annular fire cover is arranged on the first annular fire cover, the lower end surface of the second annular fire cover is abutted against the upper end surfaces of the first strip-shaped boss and the second strip-shaped boss, the second annular fire cover is provided with second strip-shaped holes which are annularly arranged and correspond to the first strip-shaped holes, and the second annular fire cover is arranged in an annular mode, the first strip-shaped boss and the second strip-shaped boss jointly enclose an air cavity to supplement secondary air close to the flame at the central part.
Description
Technical Field
The invention relates to the technical field of gas stove components, in particular to a rotary fire cap assembly, a burner and a gas stove.
Background
At present, all cooking utensils on the market are atmospheric type burners basically, and the burners are divided into direct fire and rotary fire according to the fire shape, because the direct fire is that circular fire holes are distributed along the circumference of an outer ring fire cover, secondary air is supplemented fully, harmful gas co is discharged lowly, but because the fire holes of the direct fire burners are distributed on the outermost ring circumference, flame is far away from the bottom of a boiler, and a large flameless area exists between the upper ring fire and the middle fire, the efficiency of the burners is low and the fire is uneven.
The rotary-fire burner extends the flame area by arranging the strip-seam type fire groove, increases the flame contact area of the pot bottom, just overcomes the defect of a direct-fire burner, and is favorable for improving the combustion efficiency of the burner and enhancing the fire uniformity.
However, the existing rotary-fire burner has the defect of poor secondary air supplement, the secondary air supplement of the flame slot closer to the inner part is poor, the emission of harmful gas co is high, the height of the boiler bottom of the rotary-fire burner from the burner is higher than that of a direct-fire burner, and the advantage of efficiency cannot be directly converted.
Disclosure of Invention
The invention aims to provide a rotary fire cover assembly, a burner and a gas stove, which mainly solve the problem of secondary air supplement of the rotary fire burner and have the advantages that: because first annular fire lid and second annular fire lid enclose at the edge portion jointly and are equipped with air chamber and fire chamber, the gas is when flowing up to the outside, and air chamber position atmospheric pressure reduces, and the outside air around the edge portion is through the air chamber to being close to the central direction entrainment and is carried out the secondary mixing combustion, has promoted the secondary air supplement of central part flame to promote the thermal efficiency of rotary fire combustor, reduced the emission of carbon monoxide, practiced thrift the energy.
The invention relates to a rotary fire cover assembly, which comprises a first annular fire cover and a second annular fire cover, wherein the first annular fire cover is provided with first strip-shaped holes which are annularly arranged and extend in the annular width direction, a first strip-shaped boss and a second strip-shaped boss are arranged at the edge part of the first annular fire cover and between two adjacent first strip-shaped holes, the extending directions of the first strip-shaped boss and the second strip-shaped boss are the same as the length direction of the first strip-shaped holes, a fire cavity is commonly enclosed by the first strip-shaped boss and the second strip-shaped boss at two sides of the first strip-shaped hole, the second annular fire cover is arranged on the first annular fire cover, the lower end surface of the second annular fire cover is abutted against the upper end surfaces of the first strip-shaped boss and the second strip-shaped boss, and the second annular fire cover is provided with a second strip-shaped hole which is annularly arranged corresponding to the first strip-shaped hole, the second annular fire cover, the first strip-shaped boss and the second strip-shaped boss enclose an air cavity together to promote the supplement of secondary air close to the central part.
A spinner assembly of the present invention may also be:
the first annular fire cover and the second annular fire cover are both umbrella-shaped rings.
The first annular fire cover comprises a first inner ring side wall, a first annular top wall fixedly connected to the first inner ring side wall and an outer ring side wall fixedly connected to the first annular top wall, wherein a bending part bending 130 degrees towards the edge direction is arranged in the middle of the first inner ring side wall, an included angle between the first annular top wall and the first inner ring side wall is 120 degrees, and an included angle between the first annular top wall and the outer ring side wall is 112 degrees.
The second annular fire cover comprises a second inner ring side wall and a second annular top wall, and an included angle between the second annular top wall and the second inner ring side wall is 120 degrees correspondingly.
The length of the first strip-shaped boss and the length of the second strip-shaped boss are 20-70% of the length of the first strip-shaped hole.
And an included angle between the edge end of the first strip-shaped hole and the radial line of the first annular fire cover is 15-35 degrees.
The first strip-shaped holes are twenty eight.
The invention also provides a burner which comprises the rotary fire cap assembly.
The combustor further comprises a gas distribution disc and an inner ring fire cover, wherein the gas distribution disc comprises an inner ring gas mixing chamber part and an outer ring gas mixing chamber part, the inner ring fire cover is installed on the inner ring gas mixing chamber part, the first ring fire cover is installed on the outer ring gas mixing chamber part, and the second ring fire cover is installed on the first ring fire cover.
The invention also provides a gas stove comprising the burner.
Compared with the prior art, the rotary fire cover assembly, the burner and the gas stove have the advantages that: because the spiral cover subassembly includes first annular fire lid and second annular fire lid, first annular fire lid has been seted up the annular and has been arranged and the first bar hole that the ring width direction extends, the edge part of first annular fire lid is and be equipped with first bar boss and second bar boss between two adjacent first bar holes, the first bar boss and the second bar boss of the both sides in first bar hole enclose jointly and are equipped with the fire chamber, with the air consumption that reduces the edge part of first annular fire lid, second annular fire lid is installed on first annular fire lid and the lower terminal surface of second annular fire lid and the up end butt of first bar boss and second bar boss, the second bar hole that the annular was arranged is seted up with first bar hole correspondence to second annular fire lid, first bar boss and second bar boss enclose jointly and are equipped with the air chamber. Like this, the gas of edge part passes through first bar hole, fire chamber and the ascending outflow of second bar hole to the outside, the gas that is close to the center passes through first bar hole and the ascending outflow of second bar hole to the outside, because the gas has certain speed when flowing to second bar hole direction from first bar hole, the local pressure that is fast is low, thereby realize carrying out the secondary mixed combustion to being close to the central direction entrainment with the outside air around the edge part through the air chamber, the secondary air who has promoted the flame near the central part supplyes, thereby the thermal efficiency of rotary fire combustor has been promoted, the emission of carbon monoxide has been reduced, the energy has been practiced thrift.
Drawings
FIG. 1 is a disassembled schematic view of a rotary fire lid assembly of the present invention.
FIG. 2 is a perspective schematic view of a spinner assembly of the present invention.
Fig. 3 is a schematic exploded view of a burner of the present invention.
Fig. 4 is a schematic cross-sectional view of a burner of the present invention.
Description of the figures
1. A first annular fire cover; 11. a first bar-shaped hole; 12. a first bar-shaped boss; 13. a second bar-shaped boss; 14. a fire chamber; 15. an air chamber; 16. a first inner ring sidewall; 17 a first annular top wall; 18. an outer ring sidewall;
2. a second annular fire cover; 21. a second bar-shaped hole; 22. a second inner ring sidewall; 23. a second annular top wall;
3. a gas distribution plate; 31. an inner ring air mixing chamber part; 32. an outer ring air mixing chamber part;
4. an inner ring fire cover.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.
A rotary cap assembly, a burner and a gas range according to the present invention will be described in further detail with reference to fig. 1 to 4 of the accompanying drawings.
Referring to fig. 1 to 4, a spinning fire lid assembly of the present invention includes a first annular fire lid 1 and a second annular fire lid 2.
First annular fire lid 1 has been seted up the annular and has been arranged and the first bar hole 11 that the ring width direction extends, and the edge portion of first annular fire lid 1 is equipped with first bar boss 12 and second bar boss 13 between two adjacent first bar holes 11, and the extending direction of first bar boss 12 and second bar boss 13 is the same with the length direction in first bar hole 11.
The first strip-shaped bosses 12 and the second strip-shaped bosses 13 on two sides of the first strip-shaped hole 11 jointly enclose a fire cavity 14.
The second annular fire cover 2 is arranged on the first annular fire cover 1 and is positioned above the first annular fire cover 1, and the lower end surface of the edge part of the second annular fire cover 2 is abutted to the upper end surfaces of the first strip-shaped boss 12 and the second strip-shaped boss 13.
Second annular fire lid 2 corresponds with first bar hole 11 and has seted up the second bar hole 21 that the annular was arranged, and second annular fire lid 2, first bar boss 12 and second bar boss 13 enclose at the edge portion jointly and are equipped with air chamber 15.
Thus, the gas at the edge part flows out to the outside through the first strip-shaped hole 11, the fire cavity 14 and the second strip-shaped hole 21, the gas close to the center flows out to the outside through the first strip-shaped hole 11 and the second strip-shaped hole 21,
because the gas has certain speed when flowing to second bar hole 21 direction from first bar hole 11, the local pressure that is fast is low to the realization is through air chamber 15 to the secondary mixing burning that carries out to the entrainment near the central part direction with the outside air around the edge part, has promoted the secondary air supply of the flame near the central part, thereby has promoted the thermal efficiency of rotary fire combustor, has reduced the emission of carbon monoxide, has practiced thrift the energy.
Referring to fig. 1 to 4, the spinning cap assembly of the present invention may further include: the first annular fire cover 1 and the second annular fire cover 2 are both umbrella-shaped rings.
For example, the heights of the central portions to the edge ends of the first annular fire cover 1 and the second annular fire cover 2 are gradually reduced to further improve the secondary air supplement of the flames near the central portions, thereby further improving the thermal efficiency of the rotary fire burner.
Referring to fig. 4, the spinning cap assembly of the present invention may further include: the first annular fire cover 1 comprises a first inner ring side wall 16, a first annular top wall 17 fixedly connected to the first inner ring side wall 16 and an outer ring side wall 18 fixedly connected to the first annular top wall 17, a mixed air cavity is enclosed by the first inner ring side wall 16, the first annular top wall 17 and the outer ring side wall 18, and the first strip-shaped hole 11 is located on the first annular top wall 17 and an upper annular inclined plane of the first inner ring side wall 16. The first strip-shaped boss 12 and the second strip-shaped boss 13 are both located on an edge portion of the first annular top wall 17.
Wherein, the middle part of the first inner ring side wall 16 is provided with a bending part bending 130 degrees towards the edge direction, the included angle between the first annular top wall 17 and the first inner ring side wall 16 is 120 degrees, and the included angle between the first annular top wall 17 and the outer ring side wall 18 is 112 degrees. Of course, the bending portion of the middle portion of the first inner ring side wall 16 is not limited to be bent by 130 degrees, the included angle between the first annular top wall 17 and the first inner ring side wall 16 is not limited to 120 degrees, the included angle between the first annular top wall 17 and the outer ring side wall 18 is not limited to 112 degrees, and those skilled in the art can select the included angle according to actual needs.
Referring to fig. 1 to 4, the spinning cap assembly of the present invention may further include: the second annular fire cover 2 comprises a second inner ring side wall 22 and a second annular top wall 23, and the included angle between the second annular top wall 23 and the second inner ring side wall 22 is 120 degrees correspondingly, so that the shape of the second annular fire cover 2 is matched with the upper shape of the first annular fire cover 1.
Referring to fig. 1 to 4, the spinning cap assembly of the present invention may further include: the length of the first strip-shaped boss 12 and the length of the second strip-shaped boss 13 are 20-70% of the length of the first strip-shaped hole 11, and when the length of the first strip-shaped boss is 30-50% of the length of the first strip-shaped hole 11, the secondary air supplement effect is best.
Referring to fig. 1 to 4, the spinning cap assembly of the present invention may further include: when the included angle between the edge end of the first strip-shaped hole 11 and the radial line of the first annular fire cover 1 is 15-35 degrees, the thermal efficiency of the rotary fire is optimal. Of course, the included angle between the edge end of the first strip-shaped hole 11 and the radial line of the first annular fire cover 1 is not limited to 15-35 degrees, and those skilled in the art can select the included angle between the edge end of the first strip-shaped hole 11 and the radial line of the first annular fire cover 1 according to actual needs.
Referring to fig. 1 to 4, the spinning cap assembly of the present invention may further include: when the number of the first bar holes 11 is 28, the thermal efficiency of the rotary fire is the best. Of course, the number of the first stripe holes 11 is not limited to 28, and those skilled in the art can select the number of the first stripe holes 11 according to actual needs.
The invention also provides a combustor, which comprises a furnace end, the gas distribution plate 3, the inner ring fire cover 4 and the rotary fire cover assembly. Wherein, the gas-distributing disk 3 is installed on the furnace head, for example, the gas-distributing disk 3 comprises an inner ring gas-mixing chamber part 31 and an outer ring gas-mixing chamber part 32, the inner ring fire cover 4 is installed on the inner ring gas-mixing chamber part 31, the first ring fire cover 1 is installed on the outer ring gas-mixing chamber part 32, and the second ring fire cover 2 is installed on the first ring fire cover 1.
According to the burner, due to the fact that the rotary fire cover assembly is arranged, secondary air supplement of flames close to the center is improved, combustion is more sufficient, the heat efficiency of the rotary fire burner is improved, carbon monoxide emission is reduced, and energy is saved.
The invention also provides a gas stove which comprises the burner. The gas stove provided by the invention comprises the burner, so that the effects of high combustion efficiency and energy conservation are realized, and the use experience of a user is improved.
The above description is only for the purpose of illustrating a few embodiments of the present invention, and should not be taken as limiting the scope of the present invention, in which equivalent changes, modifications, or scaling up or down, etc. made in accordance with the spirit of the present invention should be considered as falling within the scope of the present invention.
Claims (10)
1. A spinner assembly, comprising:
the fire cover comprises a first annular fire cover (1) and is characterized in that first strip-shaped holes (11) which are annularly arranged and extend in the ring width direction are formed in the first annular fire cover (1), a first strip-shaped boss (12) and a second strip-shaped boss (13) are arranged between the edge portion of the first annular fire cover (1) and two adjacent first strip-shaped holes (11), the extending direction of the first strip-shaped boss (12) and the extending direction of the second strip-shaped boss (13) are the same as the length direction of the first strip-shaped holes (11), fire cavities (14) are formed by the first strip-shaped boss (12) and the second strip-shaped boss (13) on two sides of the first strip-shaped hole (11) in a surrounding mode,
second annular fire lid (2), install in on first annular fire lid (1) and the lower terminal surface of second annular fire lid (2) with the up end butt of first bar boss (12) and second bar boss (13), second annular fire lid (2) with first bar hole (11) correspond and offer second bar hole (21) that the annular was arranged, second annular fire lid (2) first bar boss (12) with second bar boss (13) enclose jointly and are equipped with air chamber (15) to the secondary air supplementary of the flame near the central part.
2. The rotary fire lid assembly according to claim 1, wherein the first annular fire lid (1) and the second annular fire lid (2) are both umbrella-shaped rings.
3. A spinner assembly as claimed in claim 2, characterised in that the length of the first and second bar-shaped bosses (12, 13) is 20-70% of the length of the first bar-shaped aperture (11).
4. The rotary fire lid assembly according to claim 3, wherein the included angle between the marginal end of the first strip-shaped hole (11) and the radial line of the first annular fire lid (1) is 15-35 degrees.
5. A spinner assembly according to claim 4, characterized in that the first strip-shaped apertures (11) are twenty-eight.
6. The rotary fire lid assembly according to claim 5, wherein the first annular fire lid (1) comprises a first inner ring side wall (16), a first annular top wall (17) fixedly connected to the first inner ring side wall (16), and an outer ring side wall (18) fixedly connected to the first annular top wall (17), wherein a bent portion bent 130 degrees towards an edge direction is provided in the middle of the first inner ring side wall (16), an included angle between the first annular top wall (17) and the first inner ring side wall (16) is 120 degrees, and an included angle between the first annular top wall (17) and the outer ring side wall (18) is 112 degrees.
7. A spinning fire lid assembly according to claim 6 characterised in that the second annular fire lid (2) comprises a second inner annular side wall (22) and a second annular top wall (23), the angle between the second annular top wall (23) and the second inner annular side wall (22) being 120 degrees respectively.
8. A burner comprising the spinner assembly of any of claims 1-7.
9. The burner according to claim 8, further comprising a gas distributor (3) and an inner ring fire cover (4), wherein the gas distributor (3) comprises an inner ring gas mixing chamber part (31) and an outer ring gas mixing chamber part (32), the inner ring fire cover (4) is mounted on the inner ring gas mixing chamber part (31), the first ring fire cover (1) is mounted on the outer ring gas mixing chamber part (32), and the second ring fire cover (2) is mounted on the first ring fire cover (1).
10. A gas burner characterized by comprising a burner as claimed in any one of claims 8 and 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111511996.9A CN114110581A (en) | 2021-12-07 | 2021-12-07 | Rotary fire cover assembly, combustor and gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111511996.9A CN114110581A (en) | 2021-12-07 | 2021-12-07 | Rotary fire cover assembly, combustor and gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114110581A true CN114110581A (en) | 2022-03-01 |
Family
ID=80364191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111511996.9A Pending CN114110581A (en) | 2021-12-07 | 2021-12-07 | Rotary fire cover assembly, combustor and gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114110581A (en) |
-
2021
- 2021-12-07 CN CN202111511996.9A patent/CN114110581A/en active Pending
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