CN221005063U - Vortex energy-saving burner of roasting furnace - Google Patents

Vortex energy-saving burner of roasting furnace Download PDF

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Publication number
CN221005063U
CN221005063U CN202323006194.XU CN202323006194U CN221005063U CN 221005063 U CN221005063 U CN 221005063U CN 202323006194 U CN202323006194 U CN 202323006194U CN 221005063 U CN221005063 U CN 221005063U
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section
hole
central tube
burner
holes
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CN202323006194.XU
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Inventor
马骏
马辉
普海宝
邢之遥
马焕全
邢葳
晁海
崔梦蝶
常亮
郜奔奔
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Yuanshui Luoyang Environmental Protection Technology Co ltd
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Yuanshui Luoyang Environmental Protection Technology Co ltd
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Abstract

The utility model relates to a cyclone energy-saving burner of a roasting furnace, which belongs to the technical field of burners, and comprises a tube body and a central tube, wherein the front end of the tube body is provided with a first reduction section; the front section of the inner cavity of the tube body is provided with a central tube coaxial with the space between the central tube and the first reduction section, and a plurality of impeller fins are annularly arranged between the central tube and the first reduction section at uniform intervals along the circumferential direction, so that a plurality of rotational flow channels are formed between the central tube body and the inner wall of the first reduction section; the first shrinkage section pipe body is provided with a plurality of penetrating diffusion holes; the utility model ensures that the gas part of the pipe in the cyclone channel can be diffused to the periphery through the diffusion holes, thereby increasing the diffusion efficiency, ensuring that the gas is more favorable for full combustion, better mixing with air, improving the fuel combustion efficiency, reducing the fuel loss and reducing the emission of nitrogen oxides.

Description

Vortex energy-saving burner of roasting furnace
Technical Field
The utility model relates to the technical field of burners, in particular to a swirl energy-saving burner of a roasting furnace.
Background
The burner of the roasting furnace mainly comprises gas, natural gas and the like, and works for a long time under the condition of 1200-1400 ℃; the burner manufactured by the common metal material has the advantages of high oxidation speed, easy damage to the end part of the burner, frequent replacement of the burner, damage to the end part of the burner, no damage to the pipe body, integral replacement during replacement, higher material cost, and small flame area of the single burner, wherein the common burner generally directly flows out fuel gas.
The prior patent with the publication number of CN207455588U discloses a burner for a suspension roasting furnace, which comprises a central pipe and a gas sleeve, wherein the gas sleeve is sleeved outside the central pipe, a central direct-current gas channel is arranged in the central pipe, a rotational flow gas channel is defined between the outer wall of the central pipe and the inner wall of the gas sleeve, the rotational flow gas channel comprises a straight section and an inclined section which are sequentially arranged along the flow direction of gas, the straight section is parallel to the central axis of the central pipe, the inclined section is inclined inwards relative to the central axis of the central pipe, and a rotational flow device is arranged in the rotational flow gas channel. The device can make partial fuel gas spray out of the burner nozzle in a swirling state through the swirling fuel gas channel, so that the diffusivity of the fuel gas is enlarged, and the energy-saving effect is improved, but the diffusion of the swirling fuel gas is influenced by direct fuel gas, so that the diffusivity of the fuel gas of the burner nozzle is still to be improved.
Thus, we have devised a burner for a suspension roaster.
Disclosure of utility model
In order to overcome the defects in the background technology, the utility model discloses a swirl energy-saving burner of a roasting furnace.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
The swirl energy-saving burner of the roasting furnace comprises a tube body and a central tube, wherein the front end of the tube body is provided with a first shrinkage reducing section; the front section of the inner cavity of the tube body is provided with a central tube coaxial with the space between the central tube and the first reduction section, and a plurality of impeller fins are annularly arranged between the central tube and the first reduction section at uniform intervals along the circumferential direction, so that a plurality of rotational flow channels are formed between the central tube body and the inner wall of the first reduction section;
the first shrinkage section pipe body is provided with a plurality of diffusion holes penetrating through.
Preferably, the central tube front end has a second reduced section that matches the first reduced section.
Preferably, the impeller fins are located between the first and second reduced sections, respectively.
Preferably, the taper of the first and second reduction sections is the same.
Preferably, a connecting flange is arranged at the rear end part of the pipe body.
Preferably, the connecting flange is provided with a central step hole, and the rear end part of the pipe body is provided with a neck expansion part matched with the large-diameter section of the central step hole.
Preferably, the diffusion hole comprises a first through hole and a tapered hole, the first tapered section is provided with a plurality of first through holes and tapered holes along the circumferential uniform spacing ring thereof, and the first through holes and the tapered Kong Jiaoti are arranged.
Preferably, the diffusion hole further comprises a second through hole, and the first tapered section is provided with a plurality of circumferentially distributed second through holes at positions corresponding to the positions behind the tapered holes.
Preferably, the diffusion hole further comprises a third through hole, and a plurality of circumferentially distributed third through holes are arranged at positions, corresponding to the positions in front of the conical holes, of the first shrinkage section; the third through hole aperture is larger than the first through hole aperture.
Preferably, the pipe body comprises a connecting section and a working section, the front end of the connecting section is detachably connected with the working section coaxial with the connecting section, and the front end of the working section is provided with the first shrinkage reducing section; the central tube is connected to the inner cavity of the working section.
Preferably, the rear end face of the connecting section is correspondingly positioned at the rear side of the rear end face of the central tube.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
1. The setting of diffusion hole for the pipe is located the gas part of swirl passageway and still can diffuse all around through the diffusion hole, and then has increased diffusion efficiency, makes the gas more do benefit to abundant burning, and can mix with the air betterly, improves fuel combustion efficiency, reduces fuel loss, reduces nitrogen oxide emission.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
fig. 3 is a cross-sectional view of the present utility model.
In the figure: 1. a tube body; 101. a connection section; 102. a working section; 11. a first reduction section; 12. diffusion holes; 121. a first through hole; 122. a tapered bore; 123. a second through hole; 124. a third through hole; 13. expanding the neck; 2. a central tube; 21. a second reduction section; 3. impeller fins; 4. and (5) connecting the flanges.
Detailed Description
The present utility model will be explained in detail by the following examples, and the purpose of the present utility model is to protect all technical improvements within the scope of the present utility model, and in the description of the present utility model, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., only correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element referred to has a specific orientation.
1-3, A swirl energy-saving burner of a roasting furnace comprises a tube body 1 and a central tube 2, wherein the front end of the tube body 1 is provided with a first shrinkage reducing section 11; the front section of the inner cavity of the tube body 1 is provided with a central tube 2 which is coaxial with the central tube at intervals, a plurality of impeller fins 3 are uniformly arranged between the central tube 2 and the first shrinkage reducing section 11 along the circumferential direction at intervals in a ring manner, so that a plurality of rotational flow channels are formed between the tube body of the central tube 2 and the inner wall of the first shrinkage reducing section 11;
According to the requirement, the burner is made of high-temperature resistant alloy materials, and the inner surface and the outer surface of the burner are sprayed through wear-resistant metal ceramic powder.
Further, the rear end of the pipe body 1 is provided with a connecting flange 4, so that the pipe body can be installed at a position to be installed through the connecting flange 4.
The first reduced section 11 has a tubular body provided with a plurality of diffusion holes 12 therethrough.
Further, the diffusion hole 12 includes a first through hole 121 and a tapered hole 122, the first tapered section 11 is provided with a plurality of first through holes 121 and tapered holes 122 at uniform intervals along the circumferential direction thereof, and the first through holes 121 and tapered holes 122 are alternately arranged.
Specifically, the tapered hole 122 is a tapered hole with a large outside and a small inside.
The diffusion hole 12 further includes a second through hole 123, and the first tapered section 11 is provided with a plurality of circumferentially distributed second through holes 123 at positions corresponding to the positions behind the tapered hole 122.
The diffusion hole 12 further includes a third through hole 124, and the first tapered section 11 is provided with a plurality of circumferentially distributed third through holes 124 at positions corresponding to the positions in front of the tapered hole 122; the third through-hole 124 has a larger aperture than the first through-hole 121.
The middle part of the gas flow entering the pipe body 1 is directly sprayed out through the central pipe 2 to form direct gas flow, so that the gas flow has better penetrability; the gas flow in the inner cavity of the pipe body 1 enters the cyclone channel from the periphery, and is sprayed out through the cyclone channel in a cyclone mode to form spiral gas flow, so that the spiral gas flow has good diffusivity, the gas in the cyclone channel is diffused to the periphery through the diffusion holes 12, the diffusion efficiency is further improved, the gas is more beneficial to full combustion, the fuel can be well mixed with air, the fuel combustion efficiency is improved, the fuel loss is reduced, and the emission of nitrogen oxides is reduced.
In the second embodiment, referring to fig. 3, a swirl energy-saving burner of a roasting furnace is provided, in order to increase penetrability of direct gas flow, a second reduction section 21 matched with a first reduction section 11 is arranged at the front end of a central tube 2;
the front end of the second reduction section 21 is located correspondingly inside the first reduction section 11, that is, the front end of the first reduction section 11 is located correspondingly in front of the front end of the second reduction section 21, as required.
After the gas flow passing through the central tube 2 enters the second reduction section 21, the gas flow pressure of the central tube 2 is increased due to the gradual reduction of the section of the second reduction section 21, so that the gas flow velocity of the central tube 2 is increased, and the function of increasing the penetrability of direct gas flow is realized.
In the present embodiment, the impeller fins 3 are located between the first reduction sections 11 and the second reduction sections 21, respectively.
The first and second reduced sections 11, 21 taper equally as required.
In the third embodiment, referring to fig. 3, in order to reduce the replacement cost, based on the first or second embodiment, the connecting flange 4 is provided with a central step hole, and the rear end of the tube body 1 is provided with a neck expansion part 13 matched with the large diameter section of the central step hole;
By means of the arrangement, after the pipe body 1 is partially damaged, only the pipe body 1 can be replaced, the connecting flange 4 does not need to be replaced, and replacement cost is reduced.
To reduce the replacement cost, the tube 1 may be further divided into two parts, specifically: the pipe body 1 comprises a connecting section 101 and a working section 102, wherein the front end of the connecting section 101 is detachably connected with the working section 102 coaxial with the connecting section, and the front end of the working section 102 is provided with a first reduction section 11; the central tube 2 is connected to the inner cavity of the working section 102.
The front end of the connecting section 101 is provided with an external screw thread portion as required, and the rear end of the working section 102 is provided with an internal screw thread portion matching the external screw thread portion.
The rear end face of the connecting section 101 is correspondingly positioned at the rear side of the rear end face of the central tube 2 as required.
The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and all changes coming within the meaning and range of equivalency are intended to be embraced therein.

Claims (10)

1. The utility model provides a roasting furnace whirl energy-saving burner which characterized in that: the pipe comprises a pipe body (1) and a central pipe (2), wherein the front end of the pipe body (1) is provided with a first shrinkage reducing section (11); the front section of the inner cavity of the tube body (1) is provided with a central tube (2) which is coaxial with the central tube at intervals, a plurality of impeller fins (3) are uniformly arranged between the central tube (2) and the first shrinkage reducing section (11) along the circumferential direction at intervals in a ring manner, so that a plurality of rotational flow channels are formed between the tube body of the central tube (2) and the inner wall of the first shrinkage reducing section (11);
The first reduction section (11) pipe body is provided with a plurality of penetrating diffusion holes (12).
2. The burner of claim 1, wherein: the front end of the central tube (2) is provided with a second reducing section (21) matched with the first reducing section (11).
3. The roasting furnace rotational flow energy-saving burner as claimed in claim 2, wherein: the impeller fins (3) are correspondingly positioned between the first reducing section (11) and the second reducing section (21).
4. The roasting furnace rotational flow energy-saving burner as claimed in claim 2, wherein: the taper of the first reducing section (11) and the taper of the second reducing section (21) are the same.
5. The burner of claim 1, wherein: the rear end part of the pipe body (1) is provided with a connecting flange (4).
6. The cyclone energy-saving burner of a roasting furnace according to claim 5, wherein: the connecting flange (4) is provided with a central step hole, and the rear end part of the pipe body (1) is provided with a neck expansion part (13) matched with the large-diameter section of the central step hole.
7. The burner of claim 1, wherein: the diffusion hole (12) comprises a first through hole (121) and a conical hole (122), the first tapered section (11) is provided with a plurality of first through holes (121) and conical holes (122) along the circumferential uniform spacing ring, and the first through holes (121) and the conical holes (122) are alternately arranged.
8. The burner of claim 7, wherein: the diffusion hole (12) further comprises a second through hole (123), and a plurality of second through holes (123) which are distributed circumferentially are arranged at positions, corresponding to the positions, behind the conical holes (122), of the first shrinkage reducing section (11);
The diffusion hole (12) further comprises a third through hole (124), and a plurality of circumferentially distributed third through holes (124) are arranged at positions, corresponding to the first shrinkage-reducing section (11), in front of the conical hole (122); the aperture of the third through hole (124) is larger than that of the first through hole (121).
9. The burner of claim 1, wherein: the pipe body (1) comprises a connecting section (101) and a working section (102), wherein the working section (102) coaxial with the connecting section (101) is detachably connected to the front end of the connecting section (101), and the first shrinkage reducing section (11) is arranged at the front end of the working section (102); the central tube (2) is connected to the inner cavity of the working section (102).
10. The burner of claim 9, wherein: the rear end face of the connecting section (101) is correspondingly positioned at the rear side of the rear end face of the central tube (2).
CN202323006194.XU 2023-11-08 2023-11-08 Vortex energy-saving burner of roasting furnace Active CN221005063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323006194.XU CN221005063U (en) 2023-11-08 2023-11-08 Vortex energy-saving burner of roasting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323006194.XU CN221005063U (en) 2023-11-08 2023-11-08 Vortex energy-saving burner of roasting furnace

Publications (1)

Publication Number Publication Date
CN221005063U true CN221005063U (en) 2024-05-24

Family

ID=91085707

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323006194.XU Active CN221005063U (en) 2023-11-08 2023-11-08 Vortex energy-saving burner of roasting furnace

Country Status (1)

Country Link
CN (1) CN221005063U (en)

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