CN210601611U - Pressure reduction combustor - Google Patents
Pressure reduction combustor Download PDFInfo
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- CN210601611U CN210601611U CN201921058100.4U CN201921058100U CN210601611U CN 210601611 U CN210601611 U CN 210601611U CN 201921058100 U CN201921058100 U CN 201921058100U CN 210601611 U CN210601611 U CN 210601611U
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- mixing pipe
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Abstract
The utility model discloses a step-down combustor, including gas reposition of redundant personnel seat, fire lid seat and outer loop fire lid, be provided with an outer loop gas passageway on the fire lid seat, through being provided with an outer loop gas hybrid tube on the gas reposition of redundant personnel seat, be provided with a surge chamber at the end of outer loop gas hybrid tube, the surge chamber both ends respectively are connected with first runner, thereby the opening of first runner extends to the gas reposition of redundant personnel seat top and is linked together with the outer loop gas passageway on the fire lid seat. After the mixed gas of gas and air flowed into outer loop gas mixing tube, can earlier cushion in the buffer chamber and mix, make the velocity of flow of gas and air tend to stably, reduced gaseous pressure, thereby flow to first through-hole department along the first flow channel of both sides again and get into the combustion in the fire lid seat, come to reduce gas pressure through the buffer chamber to the effectual production of avoiding the vortex.
Description
Technical Field
The utility model relates to a combustor field, especially a pressure reduction combustor.
Background
The burner is a common burning appliance for household cooking at present, and has the characteristics of heating block and strong firepower. However, in the existing burner, because the flow velocity of the fuel gas sprayed into the mixing pipe is too fast and the pressure is too high, and the air velocity driven by the generated negative pressure generates a flow velocity difference with the air velocity, when the fuel gas enters the fire cover seat, turbulence is easily generated, and the combustion effect is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a pressure reducing burner capable of effectively reducing gas pressure and reducing turbulence.
The utility model discloses a solve the technical scheme that above-mentioned problem adopted and be: a pressure reducing combustor comprising:
a gas shunting seat;
the outer ring gas mixing pipe is arranged on the gas flow dividing seat, the tail end of the outer ring gas mixing pipe is provided with a buffer chamber, the buffer chamber extends towards two sides, two sides of the buffer chamber are respectively connected with a first flow passage, and an opening of the first flow passage extends to the top of the gas flow dividing seat;
the fire cover seat covers the fuel gas shunting seat, an outer ring fuel gas channel is arranged on the fire cover seat, a first through hole is formed in the fire cover seat, and the first through hole is overlapped with an opening of the first flow passage, so that the outer ring fuel gas channel is communicated with the first flow passage;
and the outer ring fire cover covers the outer ring gas channel.
As a further improvement of the technical scheme, a splitter block is arranged on the side wall of the buffer chamber, which is opposite to the outer ring gas mixing pipe, and the splitter block is in a wedge shape, and the wedge part of the splitter block is opposite to the middle part of the outer ring gas mixing pipe.
As a further improvement of the technical scheme, the two first flow passages are arc-shaped in the horizontal direction and are symmetrically arranged on two sides of the gas distribution seat.
As a further improvement of the technical scheme, the two first flow passages are in an inverted trapezoid shape in the vertical direction.
As a further improvement of the technical scheme, the top of the gas distribution seat is provided with an annular convex block, the annular convex block is matched with the shape of the opening of the first flow passage and encloses the opening of the first flow passage, and thus the annular convex block is matched with the first through hole and can be just embedded into the first through hole.
As a further improvement of the above technical scheme, an air channel is further arranged at the front end of the outer ring gas mixing pipe, the air channel is communicated with the outer ring gas mixing pipe, an opening of the air channel faces downward, a side wall of the air channel faces the outer ring gas mixing pipe, an outer ring nozzle is further mounted on the side wall, the outer ring nozzle faces the outer ring gas mixing pipe, and the outer ring nozzle can move relative to the side wall so as to adjust the distance between the outer ring nozzle and the outer ring gas mixing pipe.
As a further improvement of the technical scheme, a gas supplementing hole is further formed in the side wall of the air channel, which faces the outer ring gas mixing pipe, and the gas supplementing hole is located obliquely above the outer ring nozzle.
As a further improvement of the technical scheme, a threaded hole is formed in the side wall of the air channel, and threads capable of being screwed into the threaded hole are formed in the outer surface of the outer ring nozzle.
As a further improvement of the technical scheme, an inner ring gas mixing cavity is further arranged on the gas distribution seat, an inner ring gas channel communicated with the inner ring gas mixing cavity is arranged on the fire cover seat, and an inner ring fire cover covers the upper part of the inner ring gas channel.
As a further improvement of the technical scheme, the outer ring gas mixing pipe is an ejector pipe type.
The utility model has the advantages that: through being provided with an outer loop gas mixing tube on the gas reposition of redundant personnel seat, be provided with a surge chamber at the end of outer loop gas mixing tube, the surge chamber both ends respectively are connected with first runner, thereby the opening of first runner extends to the gas reposition of redundant personnel seat top and is linked together with the outer loop gas passageway on the fire lid seat. After the mixed gas of gas and air flowed into outer loop gas mixing tube, can earlier cushion in the buffer chamber and mix, make the velocity of flow of gas and air tend to stably, reduced gaseous pressure, thereby flow to first through-hole department along the first flow channel of both sides again and get into the combustion in the fire lid seat, come to reduce gas pressure through the buffer chamber to the effectual production of avoiding the vortex.
Drawings
The invention will be further explained with reference to the drawings and the detailed description.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic view of a sectional view taken along the direction B-B in FIG. 1;
fig. 4 is a schematic diagram of an explosion structure of the preferred embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 4, a pressure reducing burner includes:
a gas shunting seat 10;
the outer ring gas mixing pipe 11 is arranged on the gas flow dividing base 10, a buffer chamber 12 is arranged at the tail end of the outer ring gas mixing pipe 11, the buffer chamber 12 extends towards two sides, two sides of the buffer chamber 12 are respectively connected with a first flow channel 13, and an opening of the first flow channel 13 extends to the top of the gas flow dividing base 10;
the fire cover seat 20 is covered on the gas diversion seat 10, an outer ring gas channel 21 is arranged on the fire cover seat 20, a first through hole is formed in the fire cover seat 20, and the first through hole is overlapped with an opening of the first flow channel 13, so that the outer ring gas channel 21 is communicated with the first flow channel 13;
and the outer ring fire cover 30 is covered on the outer ring gas channel 21 by the outer ring fire cover 30.
An outer ring gas mixing pipe 11 is arranged on the gas flow dividing base 10, a buffer chamber 12 is arranged at the tail end of the outer ring gas mixing pipe 11, two ends of the buffer chamber 12 are respectively connected with a first flow channel 13, and the opening of the first flow channel 13 extends to the top of the gas flow dividing base 10 so as to be communicated with an outer ring gas channel 21 on the fire cover base 20. The mist of gas and air flows into outer loop gas mixing tube 11 after, can cushion in buffer chamber 12 earlier to reduce gaseous pressure, thereby it burns to get into in the fire lid seat 20 to flow to first through-hole department along the first runner 13 of both sides again, comes the reduction of gas pressure through buffer chamber 12, thereby the effectual production of avoiding the vortex.
It is considered that turbulence may be generated when the mixed gas hits the wall of the buffer chamber 12 to affect combustion. Preferably, a splitter block 16 is arranged on the side wall of the buffer chamber 12 facing the outer ring gas mixing pipe 11, the splitter block 16 is in a wedge shape, and the wedge part of the splitter block 16 faces the middle part of the outer ring gas mixing pipe 11. The wedge-shaped splitter block 16 is used for guiding the mixed gas of the fuel gas and the air, and the rebound effect caused by the gas impacting the wall is prevented.
The further improvement is that, considering that the outer ring gas channel 21 and the outer ring fire cover 30 of the fire cover seat 20 are generally circular, and the gas entering the outer ring gas channel 21 can be more uniformly and symmetrically, preferably, the two first flow channels 13 are circular arc-shaped in the horizontal direction, and the two first flow channels 13 are symmetrically arranged on both sides of the gas distributing seat 10.
Further, the two first flow passages 13 are formed in an inverted trapezoidal shape in the vertical direction. Through the inverted trapezoid shape with the large upper part and the small lower part, the cross-sectional area is continuously enlarged in the process that the mixed gas of air and fuel gas flows into the first flow channel 13 and flows upwards to the outer ring fuel gas channel 21, the air flow rate and the pressure are further reduced, and the phenomenon of turbulent flow caused by gas impact is avoided.
In a further improvement, in order to better mount the fire cover base 20 and the gas flow dividing base 10, it is preferable that the top of the gas flow dividing base 10 is provided with an annular convex block 18, the annular convex block 18 matches with the shape of the opening of the first flow channel 13 and encloses the opening of the first flow channel 13, and the annular convex block 18 matches with the first through hole so as to be just embedded into the first through hole. Of course, the fire cover seat 20 and the gas flow-dividing seat 10 can be made integrally, but this method is difficult.
Further, the outer ring nozzle 15 can directly extend into the outer ring gas mixing pipe 11, but the preferable mixing ratio of the gas and the air can be different due to the fixing and the injection effect of the air, the different brands of the gas and the different combustion using modes, and the mixing ratio of the gas and the air is mainly adjusted by adjusting the distance between the outer ring nozzle 15 and the outer ring gas mixing pipe 11 to control the air suction amount. Preferably, an air channel 14 is further arranged at the front end of the outer ring gas mixing pipe 11, the air channel 14 is communicated with the outer ring gas mixing pipe 11, an opening of the air channel 14 faces downward, a side wall of the air channel 14 faces the outer ring gas mixing pipe 11, an outer ring nozzle 15 is further mounted on the side wall, the outer ring nozzle 15 faces the outer ring gas mixing pipe 11, and the outer ring nozzle 15 can move relative to the side wall so as to adjust a distance between the outer ring nozzle 15 and the outer ring gas mixing pipe 11, as shown in fig. 3.
The distance between the outer ring nozzle 15 and the outer ring gas mixing pipe 11 is preferably adjusted by arranging a threaded hole on the side wall of the air channel 14, and the outer surface of the outer ring nozzle 15 is provided with a thread which can be screwed into the threaded hole. The distance between the outer ring nozzle 15 and the outer ring gas mixing pipe 11 is adjusted by adjusting the amount of the outer ring nozzle 15 screwed into the threaded hole.
In order to further increase the supplementary amount of air, it is preferable that a gas supplementary hole 17 is further provided on a side wall of the air passage 14 opposite to the outer ring gas mixing pipe 11, and the gas supplementary hole 17 is located obliquely above the outer ring nozzle 15 so as to further supplement the air.
Preferably, the outer ring gas mixing pipe 11 is an ejector pipe type.
Further improve, still be provided with inner ring gas mixing chamber on the gas reposition of redundant personnel seat 10, be provided with the inner ring gas passageway that is linked together with inner ring gas mixing chamber on the fire lid seat 20, inner ring gas passageway top lid closes inner ring fire lid 40.
The outer ring in the scheme refers to a flame part for annular combustion when gas is combusted, namely an outer ring flame part which is not burnt by a beam of flame at the center.
The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A pressure reducing combustor, comprising:
a gas shunting seat (10);
the outer ring gas mixing pipe (11) is arranged on the gas flow dividing seat (10), a buffer chamber (12) is arranged at the tail end of the outer ring gas mixing pipe (11), the buffer chamber (12) extends towards two sides, two sides of the buffer chamber (12) are respectively connected with a first flow channel (13), and an opening of the first flow channel (13) extends to the top of the gas flow dividing seat (10);
the fuel gas distributor comprises a fuel gas distributing seat (10), a fuel gas cover seat (20), a first through hole and a second through hole, wherein the fuel gas distributing seat (10) is covered by the fuel gas cover seat (20), the fuel gas distributing seat (10) is provided with an outer ring fuel gas channel (21), the fuel gas distributing seat (20) is provided with a first through hole, and the first through hole is overlapped with an opening of a first flow channel (13) to enable the outer ring fuel gas channel (21) to be communicated with the first flow channel (13);
the outer ring fire cover (30), outer ring fire cover (30) are covered on outer ring gas channel (21).
2. A pressure reducing burner as claimed in claim 1, wherein:
the side wall of the buffer chamber (12) opposite to the outer ring gas mixing pipe (11) is provided with a shunting block (16), the shunting block (16) is in a wedge shape, and the wedge part of the shunting block (16) is opposite to the middle part of the outer ring gas mixing pipe (11).
3. A pressure reducing burner as claimed in claim 1, wherein:
the two first flow channels (13) are arc-shaped in the horizontal direction, and the two first flow channels (13) are symmetrically arranged on two sides of the gas distribution base (10).
4. A pressure reducing burner as claimed in claim 3, wherein:
the two first flow passages (13) are in an inverted trapezoid shape in the vertical direction.
5. A pressure reducing burner as claimed in claim 1, wherein:
the top of the gas distribution seat (10) is provided with an annular convex block (18), the annular convex block (18) is matched with the opening shape of the first flow channel (13) and encloses the opening of the first flow channel (13), and the annular convex block (18) is matched with the first through hole so as to be just embedded into the first through hole.
6. A pressure reducing burner as claimed in claim 1, wherein:
the front end of outer loop gas mixing pipe (11) still is provided with air channel (14), air channel (14) are linked together with outer loop gas mixing pipe (11), the opening of air channel (14) is down, one side lateral wall of air channel (14) is just to outer loop gas mixing pipe (11), still installs outer loop nozzle (15) on this lateral wall, outer loop nozzle (15) are just to outer loop gas mixing pipe (11), thereby outer loop nozzle (15) can remove the distance between regulation outer loop nozzle (15) and outer loop gas mixing pipe (11) relative to this lateral wall.
7. A pressure reducing burner as claimed in claim 6, wherein:
and a gas foot-supplementing hole (17) is also formed in the side wall of one side, which is opposite to the outer ring gas mixing pipe (11), of the air channel (14), and the gas foot-supplementing hole (17) is positioned above the outer ring nozzle (15) in an inclined mode.
8. A pressure reducing burner as claimed in claim 6, wherein:
a threaded hole is formed in the side wall of the air channel (14), and threads capable of being screwed into the threaded hole are arranged on the outer surface of the outer ring nozzle (15).
9. A pressure reducing burner as claimed in claim 1, wherein:
still be provided with inner ring gas mixing chamber on gas reposition of redundant personnel seat (10), be provided with the inner ring gas passageway that is linked together with inner ring gas mixing chamber on fire lid seat (20), inner ring gas passageway top lid has closed inner ring fire lid (40).
10. A pressure reducing burner as claimed in claim 1, wherein:
the outer ring gas mixing pipe (11) is an injection pipe type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921058100.4U CN210601611U (en) | 2019-07-08 | 2019-07-08 | Pressure reduction combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921058100.4U CN210601611U (en) | 2019-07-08 | 2019-07-08 | Pressure reduction combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210601611U true CN210601611U (en) | 2020-05-22 |
Family
ID=70721285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921058100.4U Active CN210601611U (en) | 2019-07-08 | 2019-07-08 | Pressure reduction combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210601611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515561A (en) * | 2023-12-07 | 2024-02-06 | 河北博森光电设备科技有限公司 | Sealed antiknock incinerator |
-
2019
- 2019-07-08 CN CN201921058100.4U patent/CN210601611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515561A (en) * | 2023-12-07 | 2024-02-06 | 河北博森光电设备科技有限公司 | Sealed antiknock incinerator |
| CN117515561B (en) * | 2023-12-07 | 2024-05-28 | 河北博森光电设备科技有限公司 | Sealed antiknock incinerator |
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