CN211399788U - Gas and air mixer with S-shaped trend - Google Patents
Gas and air mixer with S-shaped trend Download PDFInfo
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- CN211399788U CN211399788U CN202020100339.XU CN202020100339U CN211399788U CN 211399788 U CN211399788 U CN 211399788U CN 202020100339 U CN202020100339 U CN 202020100339U CN 211399788 U CN211399788 U CN 211399788U
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Abstract
The utility model relates to an air mixing equipment technical field, specifically speaking relates to a gas and air mixer of S type trend, which comprises a housin, the casing is end open-ended cylindrical structure, and the middle part outside of casing is provided with annular gas distribution storehouse, and gas distribution storehouse side bottom is connected with the gas admission pipe, and the one end inboard of casing is provided with the diffusion tube, and the opening of casing is close to diffusion tube outer department and has the closing plate, and the inside of casing is provided with the inner tube, and the inner tube is close to the opening diameter of diffusion tube and is greater than the opening diameter of diffusion tube, and the diffusion tube is from inner tube to the gradually increasing round platform shape structure of casing exit diameter. The utility model discloses a design can send into the combustor after air and gas intensive mixing and mix the formula burning in mixing in advance, and is small, and the installation of being convenient for not only makes gas and air intensive mixing, improves combustion efficiency greatly, reduces the harmful gas and discharges, and greatly reduced air current pressure loss, energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to an air mixing equipment technical field, specifically speaking relates to a gas and air mixer of S type trend.
Background
The existing gas-air mixer adopts a straight-through structure, air and gas respectively enter the mixer and then flow into a straight-through mixing channel for mixing, then directly flow out of an outlet of the mixer through the straight-through mixing channel and are sent into a combustor, on one hand, the structure is longer in length and larger in volume, so that the occupied space is larger, the mixed gas is large in airflow resistance and airflow pressure loss in the mixing and flowing process, and the deflagration probability is increased; on the other hand, the mixing stroke between the mixed gases is short, so that the air and the fuel gas cannot be fully mixed, the combustion efficiency is low, and more harmful gases such as carbon monoxide and the like exist in the combustion flue gas.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas and air mixer of S type trend to solve the problem that proposes among the above-mentioned background art.
In order to achieve the purpose, the utility model provides a gas and air mixer with S-shaped trend, which comprises a housing, the casing is a cylinder structure with an opening end, the middle outer side of the casing is provided with an annular gas distribution bin, the side bottom of the gas distribution bin is connected with a gas inlet pipe, the inner side of one end of the casing is provided with a diffusion pipe, the opening end of the casing close to the diffusion pipe is tightly welded with a sealing plate, the inside of the casing is provided with an inner cylinder, the opening diameter of the inner cylinder close to the diffusion pipe is larger than that of the diffusion pipe, the diffusion pipe is in a circular truncated cone structure with the diameter gradually increasing from the inner cylinder to the outlet of the casing, and one end of the inner cylinder far away from the diffusion pipe is tightly welded with a conical; the gas distribution device is characterized in that a gas small hole is formed in the outer wall of the shell close to the inner wall of the gas distribution bin, the inside of the shell is communicated with the gas distribution bin through the gas small hole, a gradually-reducing channel with gradually-reduced width is formed between the outer side of the conical plate and the inner wall of the shell, a horizontal straight-through type mixing channel is formed between the outer side of the inner cylinder and the inner wall of the shell, an S-shaped channel is formed between one end of the inner cylinder and the diffusion tube, and a gradually-expanding channel is formed inside the diffusion tube.
Preferably, an air outlet mounting plate and an air inlet mounting plate are respectively and tightly welded on the outer sides of the openings at the two ends of the shell.
Preferably, a gas inlet mounting plate is tightly welded on the outer side of the outlet end of the gas inlet pipe.
Preferably, supporting blocks are arranged between the upper side and the lower side of the outer wall of the inner cylinder and the inner wall of the shell, and supporting blocks are also arranged between the outer wall of the upper side and the lower side of the diffusion pipe and the inner wall of the inner cylinder.
Preferably, the inner wall of the gas distribution bin is tightly welded with the outer wall of the shell.
Preferably, the inner wall of the sealing plate is tightly welded with the outer wall of the opening of the diffusion pipe.
Preferably, the gas holes are arranged in an annular shape at equal intervals.
Compared with the prior art, the beneficial effects of the utility model are that:
this gas and air mixer of S type trend can send into the combustor after air and gas intensive mixing and carry out the formula burning of mixing in advance, and is small, and the installation of being convenient for not only makes gas and air intensive mixing, improves combustion efficiency greatly, reduces harmful gas and discharges, and greatly reduced air current pressure loss, energy-concerving and environment-protective.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is one of the schematic internal structural diagrams of the present invention;
fig. 3 is a schematic cross-sectional view of the housing of the present invention;
fig. 4 is a second schematic view of the internal structure of the present invention.
In the figure: 1. a housing; 11. gas pores; 12. a tapered channel; 13. a support block; 14. a straight-through mixing channel; 15. an S-shaped channel; 16. gradually expanding the channel; 2. a gas distribution bin; 3. an air outlet mounting plate; 31. a seal ring; 4. an air inlet mounting plate; 5. a diffuser tube; 6. a gas inlet pipe; 61. a gas inlet mounting plate; 7. an inner barrel; 71. a tapered plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The utility model provides a gas and air mixer with S-shaped trend, as shown in figures 1-4, comprising a shell 1, wherein the shell 1 is a cylinder structure with an opening end, an annular gas distribution bin 2 is arranged at the outer side of the middle part of the shell 1, the gas distribution device is used for uniformly introducing gas into the shell 1, the bottom of the side of the gas distribution bin 2 is connected with a gas inlet pipe 6, the gas is convenient to introduce into the gas distribution bin 2, a diffusion pipe 5 is arranged on the inner side of one end of the shell 1, mixed gas is convenient to discharge, a sealing plate 31 is tightly welded at the position, close to the outer end of the diffusion pipe 5, of an opening of the shell 1, the sealing of the outer side wall of the diffusion pipe 5 is guaranteed, an inner cylinder 7 is arranged inside the shell 1, the diameter of the opening, close to the diffusion pipe 5, of the inner cylinder 7 is larger than that of the opening of the diffusion pipe 5, the diffusion pipe 5 is of a circular truncated cone-shaped structure with the diameter gradually increasing from the inner cylinder 7 to; the outer wall of casing 1 has been seted up gas aperture 11 near the inner wall department in gas distribution storehouse 2, be linked together through gas aperture 11 between the inside of casing 1 and the gas distribution storehouse 2, be formed with the convergent passageway 12 that the width gradually diminishes between the outside of conical plate 71 and the inner wall of casing 1, guarantee to get into the air acceleration of casing 1, be formed with horizontally through mixing channel 14 between the outside of inner tube 7 and the inner wall of casing 1, be convenient for the air and get into the inside gas primary mixing of casing 1, be formed with S-shaped passageway 15 between the one end of inner tube 7 and the diffusion tube 5, so that gaseous intensive mixing, the inside formation of diffusion tube 5 gradually expands passageway 16, be convenient for the gaseous discharge of mixture.
Specifically, the air outlet mounting plate 3 and the air inlet mounting plate 4 are respectively and tightly welded on the outer sides of openings at two ends of the shell 1, so that the two ends of the shell 1 are connected with external equipment.
In addition, a gas inlet mounting plate 61 is tightly welded on the outer side of the outlet end of the gas inlet pipe 6, so that the outlet end of the gas inlet pipe 6 is conveniently connected with external equipment.
Furthermore, supporting blocks 13 are arranged between the upper side and the lower side of the outer wall of the inner cylinder 7 and the inner wall of the shell 1, and supporting blocks 13 are also arranged between the outer wall of the upper side and the lower side of the diffusion pipe 5 and the inner wall of the inner cylinder 7, so that the inner cylinder 7 and the diffusion pipe 5 can be conveniently fixed in the shell 1.
Further, the inner wall of the gas distribution bin 2 is tightly welded with the outer wall of the shell 1, so that the fixation of the gas distribution bin 2 is ensured.
Further, the inner wall of the sealing plate 31 is tightly welded with the outer wall of the opening of the diffusion tube 5, so that the sealing plate 31 is fixed.
Furthermore, the gas holes 11 are arranged in an annular shape at equal intervals, so that gas can uniformly enter the shell 1.
It is worth noting that the arrows inside the device in fig. 4 are air flow directions.
When the gas and air mixer with the S-shaped trend of the embodiment is used, firstly, air enters the shell 1 through the air inlet end at one end of the shell 1 and flows to the straight-through mixing channel 14 along the tapered channel 12, meanwhile, gas enters the gas distribution bin 2 from the gas inlet at the outer end of the gas inlet pipe 6 and flows into the straight-through mixing channel 14 through the gas small holes 11, at the moment, the air and the gas are primarily mixed in the straight-through mixing channel 14 and flow forwards along the straight-through mixing channel 14, when the mixed gas reaches the tail end of the straight-through mixing channel 14, the mixed gas is bent to flow under the combined action of the shell 1, the inner cylinder 7 and the diffusion pipe 5, enters the inner cylinder 7 and is bent to flow again under the combined action of the conical plate 71, the inner cylinder 7 and the diffusion pipe 5 and flows into the diffusion pipe 5 in an S shape integrally, so that the gas and the air can be further and fully mixed, finally flows out from the air outlet end at the other end of the shell 1 through the divergent channel 16 and enters the externally connected burner.
Further, this structure prolongs the mixing stroke greatly, makes gas and air intensive mixing, improves the mixed effect to improve combustion efficiency greatly, and the discharge of harmful substance such as carbon monoxide in the greatly reduced burning flue gas, through detecting, there is not carbon monoxide production at full load within range hardly, moreover owing to carried out reasonable design to the structure, constituted convergent passageway 12 and divergent passageway 16, greatly reduced air current pressure loss, energy-concerving and environment-protective.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a gas and air mixer of S type trend, includes casing (1), its characterized in that: the gas distribution device is characterized in that the shell (1) is of a cylindrical structure with an opening at one end, an annular gas distribution bin (2) is arranged on the outer side of the middle of the shell (1), a gas inlet pipe (6) is connected to the side bottom of the gas distribution bin (2), a diffusion pipe (5) is arranged on the inner side of one end of the shell (1), a sealing plate (31) is tightly welded at the position, close to the outer end of the diffusion pipe (5), of the opening of the shell (1), an inner cylinder (7) is arranged inside the shell (1), the diameter of the opening, close to the diffusion pipe (5), of the inner cylinder (7) is larger than that of the opening of the diffusion pipe (5), the diffusion pipe (5) is of a circular truncated cone-shaped structure with the diameter gradually increasing from the inner cylinder (7) to the outlet of the shell (1), and a conical tapered plate (71) is; the gas distribution device is characterized in that a gas small hole (11) is formed in the inner wall of the outer wall of the shell (1) close to the gas distribution bin (2), the inner portion of the shell (1) is communicated with the gas distribution bin (2) through the gas small hole (11), a gradually-reduced channel (12) with gradually-reduced width is formed between the outer side of the conical plate (71) and the inner wall of the shell (1), a horizontal straight-through mixing channel (14) is formed between the outer side of the inner cylinder (7) and the inner wall of the shell (1), an S-shaped channel (15) is formed between one end of the inner cylinder (7) and the diffusion pipe (5), and a gradually-expanded channel (16) is formed inside the diffusion pipe (5).
2. The S-oriented gas and air mixer of claim 1, wherein: the air outlet mounting plate (3) and the air inlet mounting plate (4) are respectively and tightly welded on the outer sides of the openings at the two ends of the shell (1).
3. The S-oriented gas and air mixer of claim 1, wherein: and a gas inlet mounting plate (61) is tightly welded on the outer side of the outlet end of the gas inlet pipe (6).
4. The S-oriented gas and air mixer of claim 1, wherein: supporting blocks (13) are arranged between the upper side and the lower side of the outer wall of the inner cylinder (7) and the inner wall of the shell (1), and supporting blocks (13) are also arranged between the outer walls of the upper side and the lower side of the diffusion pipe (5) and the inner wall of the inner cylinder (7).
5. The S-oriented gas and air mixer of claim 1, wherein: the inner wall of the gas distribution bin (2) is tightly welded with the outer wall of the shell (1).
6. The S-oriented gas and air mixer of claim 1, wherein: the inner wall of the sealing plate (31) is tightly welded with the outer wall of the opening of the diffusion pipe (5).
7. The S-oriented gas and air mixer of claim 1, wherein: the gas holes (11) are arranged in an annular shape at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100339.XU CN211399788U (en) | 2020-01-17 | 2020-01-17 | Gas and air mixer with S-shaped trend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020100339.XU CN211399788U (en) | 2020-01-17 | 2020-01-17 | Gas and air mixer with S-shaped trend |
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| Publication Number | Publication Date |
|---|---|
| CN211399788U true CN211399788U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020100339.XU Active CN211399788U (en) | 2020-01-17 | 2020-01-17 | Gas and air mixer with S-shaped trend |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177820A (en) * | 2021-12-13 | 2022-03-15 | 华北水利水电大学 | Fragrance mixing machine |
-
2020
- 2020-01-17 CN CN202020100339.XU patent/CN211399788U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177820A (en) * | 2021-12-13 | 2022-03-15 | 华北水利水电大学 | Fragrance mixing machine |
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