CN111156516A - Direct-spraying burner - Google Patents
Direct-spraying burner Download PDFInfo
- Publication number
- CN111156516A CN111156516A CN202010023177.9A CN202010023177A CN111156516A CN 111156516 A CN111156516 A CN 111156516A CN 202010023177 A CN202010023177 A CN 202010023177A CN 111156516 A CN111156516 A CN 111156516A
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- Prior art keywords
- fire
- ring fire
- hole
- channel
- distribution
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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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- 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
- F23D14/70—Baffles or like flow-disturbing devices
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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
- F23D14/84—Flame spreading or otherwise shaping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/007—Regulating fuel supply using mechanical means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention relates to a direct-injection burner, which comprises a direct-injection pipe, a fire distribution seat, an outer ring fire cover and an inner ring fire cover, wherein the outer ring fire cover and the inner ring fire cover are provided with outer ring fire holes; the outer ring fire hole is communicated with the main air inlet hole through the outer ring fire dividing channel, the central fire hole is communicated with the main air inlet hole through the central fire dividing channel, and the straight spray pipe is communicated with the main air inlet hole; the fire distribution seat is also provided with an auxiliary air inlet hole and a two-ring fire distribution channel, and the two-ring fire distribution hole is communicated with the auxiliary air inlet hole through the two-ring fire distribution channel. The straight spray pipe and the auxiliary air inlet can separately adjust the air supply quantity through the double-air-path gas supply valve, so that the separate adjustment of the outer ring fire and the two ring fire is realized, and the adjustable range between the civil fire and the military fire is enlarged.
Description
Technical Field
The invention relates to a direct injection burner.
Background
Chinese patent document No. CN200510035867.1 discloses a burner with balanced gas distribution, which includes a gas holder with a gas mixing pipe at the bottom, and an inner fire cover and an outer fire cover disposed above the gas holder, wherein an outer ring gas groove and an inner ring gas groove are disposed in a holder cavity of the gas holder, a gas channel is disposed between the inner ring gas groove and the outer ring gas groove, a plurality of outer air mixing channels spaced from the gas channel are disposed between two adjacent gas channels, and an inner air mixing channel is disposed between each outer air mixing channel and the inner fire cover. Because the inner air mixing channel which is arranged between the outer air mixing channel and the inner fire cover and can enable air to enter the central area of the inner fire cover through the outer air mixing channel is adopted, the defect that the traditional combustor is insufficient in gas combustion caused by the fact that the gas and the air of the inner fire cover are not uniform in mixing ratio is overcome, the inner air mixing channel and the outer air mixing channel are structurally designed into communicated structures, and the balance matching of the air and the gas in the inner air mixing channel and the outer air mixing channel is more powerful, so that the combustion heat efficiency of the gas is greatly improved.
However, the outer ring fire and the central fire are supplied through the air mixing pipe, so that when the civil and military fire is adjusted (namely, the civil and military fire is adjusted), the outer ring fire and the central fire must be adjusted at the same time, the effect that only the central fire is left when the traditional burner is used for small fire cannot be realized, and the adjustable range between the civil and military fire is reduced.
Therefore, further improvements are needed.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned disadvantages of the prior art, and to provide a direct injection burner which can achieve separate adjustment of an outer ring fire and a double ring fire, and increase an adjustable range between the mild and strong fires.
The purpose of the invention is realized as follows:
a direct-jet burner comprises a direct-jet pipe, a fire dividing base, an outer ring fire cover and an inner ring fire cover, wherein the outer ring fire cover and the inner ring fire cover are provided with outer ring fire holes,
the periphery of the inner ring fire cover is provided with two ring fire holes, the center of the inner ring fire cover is provided with a central fire hole, and gas supply channels of the two ring fire holes and the central fire hole are mutually separated;
the outer ring fire hole is communicated with the main air inlet hole through the outer ring fire dividing channel, the central fire hole is communicated with the main air inlet hole through the central fire dividing channel, and the straight spray pipe is communicated with the main air inlet hole;
the fire distribution seat is also provided with an auxiliary air inlet hole and a two-ring fire distribution channel, and the two-ring fire distribution hole is communicated with the auxiliary air inlet hole through the two-ring fire distribution channel.
The main air inlet is arranged at the center of the bottom of the fire dividing seat, a fire dividing conical surface protruding towards the main air inlet is arranged on the inner bottom surface of the fire dividing seat, the fire dividing conical surface and the main air inlet are coaxially arranged, a plurality of groups of air passing holes communicated with the central fire dividing channel are arranged on the fire dividing conical surface, a plurality of groups of bypass channels are radially arranged at the side parts of the main air inlet and the fire dividing conical surface, and the main air inlet is communicated with the outer ring fire dividing channel through the bypass channels.
And main gas distribution baffle plates are arranged on the outer ring fire distribution channel corresponding to the communication positions of each group of bypass channels and the bypass channels, are in a fan shape or an arc shape and horizontally protrude along the air inlet direction.
The fire distribution seat is provided with two ring fire air supply holes penetrating through the fire distribution seat, and the two ring fire air supply holes can be communicated with the two ring fire holes.
The center of the inner ring fire cover is also provided with a central fire air supplementing channel, the central fire air supplementing channel is arranged at the periphery of the central fire hole and is mutually separated from the two ring fire holes and the central fire hole, the fire dividing seat is provided with a central air supplementing hole penetrating through the fire dividing seat, and the central air supplementing hole is communicated with the central fire air supplementing channel.
The top center of inner ring fire lid is equipped with the screen cover, and the screen cover covers central fire tonifying qi passageway and central fire hole, and the screen cover surface is covered with little through-hole.
The two-ring fire distribution channel is in a ring groove shape, the auxiliary air inlet is communicated with the bottom of the two-ring fire distribution channel, and the top of the two-ring fire distribution channel is provided with an auxiliary gas distribution baffle.
The depth of the inner groove of the two-ring fire distribution passage becomes gradually shallow from the side of the joint of the two-ring fire distribution passage and the two-ring fire distribution passage to the opposite side; the auxiliary gas separation baffle is in a horizontal ring shape, and the length of the auxiliary gas separation baffle in the horizontal direction is gradually reduced from the side of the joint of the two-ring fire separation channel and the two-ring fire separation channel to the opposite other side of the joint.
The straight spray pipe is provided with a main nozzle, and the auxiliary air inlet is provided with an auxiliary nozzle.
The fire distributing seat is formed by assembling an upper fire distributing seat and a lower fire distributing seat.
The invention has the following beneficial effects:
outer loop fire hole, central fire hole are through straight spray tube (main inlet port promptly) air feed, and two ring fire holes are through vice inlet port air feed, and straight spray tube (main inlet port promptly), vice inlet port can separately adjust the air feed volume size through two gas circuit gas air feed valves to realize outer loop fire and two ring fire separately adjust, increase the adjustable range between the civil and military affairs. In addition, the outer ring fire and the central fire are adjusted together, so that the burner can realize the effect of three-ring fire combustion, and the combustion power of the burner can be effectively improved.
Drawings
Fig. 1 is a perspective view (cross-sectional view) of an assembly structure of a first embodiment of the present invention.
Fig. 2 is a front view (in section) of the fitting structure of the first embodiment of the present invention.
Fig. 3 is an exploded view 1 of the first embodiment of the present invention.
Fig. 4 is an exploded view 2 of the first embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
First embodiment
Referring to fig. 1-4, the direct-injection burner comprises a direct-injection pipe 1, a fire dividing base, an outer ring fire cover 3 provided with an outer ring fire hole 31 and an inner ring fire cover 4, wherein the outer ring fire hole 31 can realize the combustion of outer ring fire, the fire dividing base is formed by assembling an upper fire dividing base and a lower fire dividing base, the technical means is conventional in the field, and after the upper fire dividing base and the lower fire dividing base are assembled into the fire dividing base, a main air inlet 21, an outer ring fire dividing channel 22, a central fire dividing channel 23, an auxiliary air inlet 24, a two-ring fire dividing channel 25 and the like can be formed, and the direct-injection burner can be understood by a person skilled in the field.
Wherein, the periphery of inner ring fire lid 4 is equipped with two ring fire holes 41, the center is equipped with central fire hole 43, and the gas supply channel of two ring fire holes 41 and central fire hole 43 separates each other, and two ring fire holes 41 can realize the burning of two ring fires, and central fire hole 43 can realize the burning of central fire.
The main air inlet hole 21, the outer ring fire dividing channel 22 and the central fire dividing channel 23 are arranged on the fire dividing base, the outer ring fire hole 31 is communicated with the main air inlet hole 21 through the outer ring fire dividing channel 22, the central fire hole 43 is communicated with the main air inlet hole 21 through the central fire dividing channel 23, and the straight spray pipe 1 is communicated with the main air inlet hole 21, so that the common gas supply of the straight spray pipe 1 to the outer ring fire hole 31 and the central fire hole 43 is realized.
The fire distribution seat is also provided with an auxiliary air inlet hole 24 and a two-ring fire distribution channel 25, and the two-ring fire distribution hole 41 is communicated with the auxiliary air inlet hole 24 through the two-ring fire distribution channel 25, so that the auxiliary air inlet hole 24 supplies fuel gas to the two-ring fire distribution hole 41.
The main nozzle 5 is installed on the straight nozzle 1, the auxiliary nozzle (not shown) is installed on the auxiliary air inlet 24, the main nozzle 5 and the auxiliary nozzle (not shown) are installed with a double-gas-path gas supply valve in the prior art, and the double-gas-path gas supply valve is used for adjusting the gas intensity supply of a gas path, and all the technical personnel in the field can understand the gas intensity supply.
According to the invention, the outer ring fire hole 31 and the central fire hole 43 supply air through the straight spray pipe 1 (namely the main air inlet 21 and the main nozzle 5), the two ring fire holes 41 supply air through the auxiliary nozzle (namely the auxiliary air inlet 24), and the straight spray pipe 1 and the auxiliary nozzle can separately adjust the air supply quantity through the double-gas-path gas supply valve, so that the separate adjustment of the outer ring fire and the two ring fire is realized, only the combustion of the two ring fire is kept during slow fire, and the adjustable range between the civil fire and the military fire is enlarged. In addition, the outer ring fire and the central fire can be adjusted together, the effect of three-ring fire combustion in the process of realizing strong fire by the combustor can be realized, and the combustion power of the combustor can be effectively improved.
Further, the main air inlet 21 is arranged at the center of the bottom of the fire-dividing base, a fire-dividing conical surface 211 protruding towards the main air inlet 21 is arranged on the inner bottom surface of the fire-dividing base, the fire-dividing conical surface 211 is the same as the axis of the main air inlet 21, the fire-dividing conical surface 211 and the main air inlet 21 are coaxially arranged, the gas pressure provided by the straight spray pipe 1 to the main air inlet 21 is concentrated, therefore, the gas flowing into the main air inlet 21 can be effectively and uniformly distributed by arranging the fire-dividing conical surface 211, a plurality of groups of air passing holes 231 (preferably more than two groups of air passing holes 231, three groups in the embodiment) communicated with the central fire-dividing channel 23 are arranged on the fire-dividing conical surface 211, the gas provided by the straight spray pipe 1 to the main air inlet 21 can enter the central fire-dividing channel 23 from the air passing holes 231, the gas supply requirement for the central fire hole 43 is met, a plurality of groups, three groups in the embodiment), the bypass channel 221 enables the main air inlet 21 to be communicated with the outer ring fire dividing channel 22, and the fuel gas provided by the straight nozzle 1 to the main air inlet 21 can enter the outer ring fire dividing channel 22 from the bypass channel 221, so that the air supply requirement on the outer ring fire hole 31 is met.
Furthermore, the outer ring fire distribution channel 22 is provided with main gas distribution baffle pieces 222 corresponding to the communication positions of each group of bypass channels 221 and the main gas distribution baffle pieces 222, the main gas distribution baffle pieces 222 are fan-shaped or arc-shaped and horizontally protrude along the air inlet direction, the gas entering the outer ring fire distribution channel 22 from the bypass channels 221 belongs to high pressure, the gas can be effectively prevented from accumulating at the connection positions of the main gas distribution baffle pieces 222 and the outer ring fire distribution channel 22, and the effect of uniform gas distribution of the outer ring fire distribution channel 22 is achieved.
Further, divide the seat of angering fire to be equipped with the two ring fire moisturizing hole 26 that run through and divide the seat of angering fire, two ring fire moisturizing hole 26 can communicate with two ring fire holes 41, and the combustor during operation because two ring fire holes 41 continuously spout the gas and the burning, consequently, near two ring fire moisturizing hole 26 can form the negative pressure, absorb the air from bottom to top, for outer ring fire, two ring fire moisturizing sufficient air, guarantee that the burning of gas is more abundant to improve combustion efficiency.
Further, the center of inner ring fire lid 4 still is equipped with central fire tonifying qi passageway 42, and central fire tonifying qi passageway 42 sets up in the periphery of central fire hole 43 and separates each other with two ring fire holes 41, central fire hole 43, be equipped with the central tonifying qi hole 27 that runs through the branch fire seat on the branch fire seat, central tonifying qi hole 27 and central fire tonifying qi passageway 42 intercommunication, and the same reason, two ring fire holes 41, central fire hole 43 continue the blowout gas and burn, make near central tonifying qi hole 27 can form the negative pressure, absorb the air from bottom to top, for two ring fire, central fire supply sufficient air, guarantee that the burning of gas is more abundant to improve combustion efficiency.
Furthermore, the top center of the inner ring fire cover 4 is provided with a net cover 44, the net cover 44 covers the central fire air supply channel 42 and the central fire hole 43, and small through holes are distributed on the surface of the net cover 44 to achieve the effect of uniform air distribution.
Further, the two-ring fire distribution channel 25 is in an annular groove shape, the auxiliary air inlet hole 24 is communicated with the bottom of the two-ring fire distribution channel 25, the top of the two-ring fire distribution channel 25 is provided with an auxiliary air distribution baffle 251, fuel gas entering the two-ring fire distribution channel 25 from the auxiliary air inlet hole 24 belongs to high pressure, the fuel gas can be effectively prevented from accumulating at the joint of the two through the auxiliary air distribution baffle 251, and the effect of uniform air distribution of the outer ring fire distribution channel 22 is achieved.
Further, the depth of the inner groove of the two-ring fire distribution passage 25 becomes gradually shallower from the side where the two-ring fire distribution passage 25 is connected with the two-ring fire distribution passage 25 to the opposite side; the auxiliary gas distribution baffle 251 is in a horizontal ring shape, the length of the auxiliary gas distribution baffle 251 in the horizontal direction is gradually reduced from the side where the two-ring fire distribution channel 25 is connected with the two-ring fire distribution channel 25 to the opposite other side, the technical scheme is particularly suitable for the two-ring fire distribution channel 25 with a small diameter, and the uniform gas distribution effect of the outer ring fire distribution channel 22 is further optimized.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A direct-injection burner comprises a direct-injection pipe (1), a fire dividing base, an outer ring fire cover (3) and an inner ring fire cover (4) which are provided with outer ring fire holes (31), and is characterized in that,
the periphery of the inner ring fire cover (4) is provided with two ring fire holes (41), the center of the inner ring fire cover is provided with a central fire hole (43), and the two ring fire holes (41) and the central fire hole (43) are separated from each other;
the main air inlet (21), the outer ring fire dividing channel (22) and the central fire dividing channel (23) are arranged on the fire dividing base, the outer ring fire hole (31) is communicated with the main air inlet (21) through the outer ring fire dividing channel (22), the central fire hole (43) is communicated with the main air inlet (21) through the central fire dividing channel (23), and the straight spray pipe (1) is communicated with the main air inlet (21);
the fire distribution seat is also provided with an auxiliary air inlet hole (24) and a two-ring fire distribution channel (25), and the two-ring fire distribution hole (41) is communicated with the auxiliary air inlet hole (24) through the two-ring fire distribution channel (25).
2. The direct injection burner of claim 1, wherein: the main air inlet hole (21) is arranged at the center of the bottom of the fire separating seat, a fire separating conical surface (211) protruding towards the main air inlet hole (21) is arranged on the inner bottom surface of the fire separating seat, a plurality of groups of air passing holes (231) communicated with the central fire separating channel (23) are arranged on the fire separating conical surface (211), a plurality of groups of bypass channels (221) are radially arranged at the side parts of the main air inlet hole (21) and the fire separating conical surface (211), and the main air inlet hole (21) is communicated with the outer ring fire separating channel (22) through the bypass channels (221).
3. The direct injection burner of claim 2, wherein: and main gas distribution baffle plates (222) are arranged on the outer ring fire distribution channel (22) corresponding to the communication positions of each group of bypass channels (221) and the bypass channels.
4. The direct injection burner of claim 1, wherein: divide and be equipped with dicyclo fire tonifying qi hole (26) that run through branch fire seat on the fire seat, dicyclo fire tonifying qi hole (26) can communicate with dicyclo fire hole (41).
5. The direct injection burner of claim 1, wherein: the center of the inner ring fire cover (4) is also provided with a center fire air supply channel (42), the center fire air supply channel (42) is arranged on the periphery of a center fire hole (43) and is mutually separated from the two ring fire holes (41) and the center fire hole (43), a center air supply hole (27) penetrating through the fire distribution seat is formed in the fire distribution seat, and the center air supply hole (27) is communicated with the center fire air supply channel (42).
6. The direct injection burner of claim 5, wherein: the top center of the inner ring fire cover (4) is provided with a net cover (44), the net cover (44) covers the central fire air supply channel (42) and the central fire hole (43), and small through holes are fully distributed on the surface of the net cover (44).
7. The direct injection burner of claim 1, wherein: the two-ring fire distribution channel (25) is in a ring groove shape, the auxiliary air inlet holes (24) are communicated with the bottom of the two-ring fire distribution channel (25), and the top of the two-ring fire distribution channel (25) is provided with an auxiliary air distribution baffle plate (251).
8. The direct injection combustor as claimed in claim 7, wherein: the depth of an inner groove of the two-ring fire distribution passage (25) becomes gradually shallow from the side where the two-ring fire distribution passage (25) is connected with the two-ring fire distribution passage (25) to the opposite side; the secondary gas distribution baffle plate (251) is in a horizontal ring shape, and the length of the secondary gas distribution baffle plate in the horizontal direction is gradually reduced from the side where the two-ring fire distribution channel (25) is connected with the two-ring fire distribution channel (25) to the other opposite side.
9. The direct injection burner of any one of claims 1 to 8, wherein: the straight spray pipe (1) is provided with a main nozzle (5), and the auxiliary air inlet is provided with an auxiliary nozzle.
10. The direct injection burner of any one of claims 1 to 8, wherein: the fire distribution seat is formed by assembling an upper fire distribution seat (200) and a lower fire distribution seat (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023177.9A CN111156516A (en) | 2020-01-09 | 2020-01-09 | Direct-spraying burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023177.9A CN111156516A (en) | 2020-01-09 | 2020-01-09 | Direct-spraying burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111156516A true CN111156516A (en) | 2020-05-15 |
Family
ID=70562160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010023177.9A Pending CN111156516A (en) | 2020-01-09 | 2020-01-09 | Direct-spraying burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111156516A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735045A (en) * | 2020-07-03 | 2020-10-02 | 佛山市顺德区美的洗涤电器制造有限公司 | Inner ring fire cover, burner and gas cooker |
| CN111750349A (en) * | 2020-07-03 | 2020-10-09 | 佛山市顺德区美的洗涤电器制造有限公司 | Gas distributors, burners and gas cooktops |
| CN111750350A (en) * | 2020-07-03 | 2020-10-09 | 佛山市顺德区美的洗涤电器制造有限公司 | Inner ring fire cover, burner and gas cooker |
-
2020
- 2020-01-09 CN CN202010023177.9A patent/CN111156516A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735045A (en) * | 2020-07-03 | 2020-10-02 | 佛山市顺德区美的洗涤电器制造有限公司 | Inner ring fire cover, burner and gas cooker |
| CN111750349A (en) * | 2020-07-03 | 2020-10-09 | 佛山市顺德区美的洗涤电器制造有限公司 | Gas distributors, burners and gas cooktops |
| CN111750350A (en) * | 2020-07-03 | 2020-10-09 | 佛山市顺德区美的洗涤电器制造有限公司 | Inner ring fire cover, burner and gas cooker |
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