CN213409088U - Multi-runner swirl nozzle for desulfurization and denitrification - Google Patents
Multi-runner swirl nozzle for desulfurization and denitrification Download PDFInfo
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- CN213409088U CN213409088U CN202021854009.6U CN202021854009U CN213409088U CN 213409088 U CN213409088 U CN 213409088U CN 202021854009 U CN202021854009 U CN 202021854009U CN 213409088 U CN213409088 U CN 213409088U
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Abstract
The utility model discloses a multi-runner swirl nozzle for desulfurization and denitrification, which comprises a connecting flange part, an inlet part and a volute part, wherein the connecting flange part is connected with the volute part through the inlet part; the axis of the connecting flange part is provided with an inlet; the inlet part is communicated with the inlet, and the axis of the inlet part is provided with an accelerating section; a volute flow channel extending along the circumferential direction of the volute part is arranged in the volute part, and a plurality of swirl holes communicated with the volute flow channel are formed in the inner ring of the volute part; the inner side of the worm casing part is provided with a retaining ring which is coaxial with the inner ring of the worm casing part, the area between the retaining ring and the inner ring of the worm casing part is an injection area, and the swirl hole is communicated with the vortex-shaped flow passage and the injection area. The utility model is efficient and convenient to use, and can accelerate the medium again; be the even blowout medium of circle shape, make spun medium fully contact with the flue gas, effectively promote the SOx/NOx control treatment effect of flue gas to promote work efficiency.
Description
Technical Field
The utility model relates to a nozzle technical field specifically is a multithread way whirl nozzle for SOx/NOx control.
Background
Catalytic cracking is a process of converting heavy oil into light products such as gasoline, diesel oil and liquefied gas under the action of a catalyst, and is one of important processes for secondary processing of petroleum. The catalytic cracking unit plays an important role in the oil refinery and is one of the main sources of economic benefits of the oil refinery. In recent years, a large amount of catalytic cracking regeneration flue gas is an important air pollution source because the catalytic cracking regeneration flue gas contains a large amount of sulfur dioxide, nitrogen oxide particles, nitric oxide and the like. Need use nozzle equipment when handling above-mentioned pollutant, original nozzle is nozzle commonly used, and single nozzle spray range is limited, need gather a plurality of just can reach the spraying effect usually, and the medium adopts high concentration chemical to spray the washing usually, blocks up the shower nozzle easily, and the spray media can appear spraying inhomogeneous phenomenon along with the jam of shower nozzle, provides a multichannel whirl nozzle for SOx/NOx control from this.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the existing defects, and provides a multi-runner swirl nozzle for desulfurization and denitrification, which is efficient and convenient to use and can accelerate a medium again; be the even blowout medium of circle shape, make spun medium fully contact with the flue gas, effectively promote the SOx/NOx control treatment effect of flue gas to promote work efficiency, can effectively solve the problem among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-channel swirl nozzle for desulfurization and denitrification comprises a connecting flange part, an inlet part and a volute part, wherein the connecting flange part is connected with the volute part through the inlet part; the axis of the connecting flange part is provided with an inlet; the inlet part is communicated with the inlet, and the axis of the inlet part is provided with an accelerating section; a volute flow channel extending along the circumferential direction of the volute part is arranged in the volute part, and a plurality of swirl holes communicated with the volute flow channel are formed in the inner ring of the volute part; the inner side of the worm casing part is provided with a retaining ring which is coaxial with the inner ring of the worm casing part, the area between the retaining ring and the inner ring of the worm casing part is an injection area, and the swirl hole is communicated with the vortex-shaped flow passage and the injection area.
Preferably, the accelerating section is of a conical hole structure, a large opening end of the conical hole is communicated with the inlet, and a small opening end faces the volute part and is communicated with the volute flow channel.
Preferably, the retainer ring is of a gradually-expanding structure, the upper end of the retainer ring is a small-opening end and is in threaded connection with the upper part of the volute part, and the lower end of the retainer ring is a large-opening end.
Preferably, the connecting flange part is provided with a threaded through hole for a bolt to pass through.
Preferably, the swirl holes feed liquid along the tangential direction of the side wall of the injection area, and the annular array of the swirl holes is provided with four or six swirl holes.
Preferably, the connecting flange portion, the inlet portion and the volute portion are integrally formed.
Compared with the prior art, the beneficial effects of the utility model are that: the multi-runner swirl nozzle for desulfurization and denitrification can accelerate a medium again by arranging the accelerating section at the inlet part; the medium flows in the vortex-shaped flow channel, enters the injection area through the plurality of vortex holes, and is uniformly sprayed out in a circle shape at last under the guidance of the retainer ring, so that the sprayed medium can be fully contacted with the flue gas, the desulfurization and denitrification treatment effect of the flue gas is effectively improved, and the working efficiency is improved; in addition, the retainer ring is in threaded connection with the volute part, so that the disassembly is convenient, and the cleaning of the swirl hole is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the utility model a-a.
In the figure: 1 connecting flange part, 1.1 inlet, 1.2 thread through hole, 2 inlet part, 2.1 accelerating section, 3 volute part, 3.1 vortex flow channel, 4 inner ring, 4.1 vortex hole, 5 injection area and 6 retainer ring.
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.
Referring to fig. 1-2, the present invention provides a technical solution: a multi-channel swirl nozzle for desulfurization and denitrification comprises a connecting flange part 1, an inlet part 2 and a volute part 3, wherein the connecting flange part 1 is connected with the volute part 3 through the inlet part 2; an inlet 1.1 is arranged on the axis of the connecting flange part 1; the inlet part 2 is communicated with the inlet 1.1, and the axis of the inlet part 2 is provided with an accelerating section 2.1; a volute flow channel 3.1 extending along the circumferential direction of the volute part 3 is arranged in the volute part 3, and a plurality of swirl holes 4.1 communicated with the volute flow channel 3.1 are formed in an inner ring 4 of the volute part 3; the inner side of the worm shell part 3 is provided with a retainer ring 6 which is coaxial with the inner ring 4 of the worm shell part 3, the area between the retainer ring 6 and the inner ring 4 of the worm shell part 3 is an injection area 5, swirl holes 4.1 are communicated with a swirl flow channel 3.1 and the injection area 5, a medium flows in the swirl flow channel 3.1 and enters the injection area 5 through a plurality of swirl holes 4.1, and the medium is uniformly ejected in a circle shape under the guidance of the retainer ring 4, so that the ejected medium can be fully contacted with flue gas, the desulfurization and denitrification treatment effects of the flue gas are effectively improved, and the working efficiency is improved;
in order to further increase the pressure and improve the flow velocity of a medium entering the volute flow channel 3.1, the accelerating section 2.1 is of a conical hole structure, the large opening end of the conical hole is communicated with the inlet 1.1, and the small opening end faces the volute section 3 and is communicated with the volute flow channel 3.1;
furthermore, the retainer ring 6 is of a gradually expanding pipe structure, the upper end of the retainer ring 6 is a small opening end and is in threaded connection with the upper part of the volute part 3, and the lower end of the retainer ring 6 is a large opening end and is in threaded connection, so that the disassembly is convenient, and the swirl hole 4.1 is convenient to clean;
in order to facilitate connection and fixation, the connecting flange part 1 is provided with a threaded through hole 1.2 for a bolt to pass through;
it should be noted that the swirl holes 4.1 are used for feeding liquid along the tangential direction of the side wall of the injection zone 5, and four or six swirl holes 4.1 are arranged in an annular array;
the connecting flange portion 1, the inlet portion 2 and the volute portion 3 are integrally formed.
The working principle is as follows: when the device is used, the connecting flange part 1 is communicated with an external pipeline through bolts and nuts, a medium with certain initial pressure enters the inlet part 2, a medium solution enters the vortex-shaped flow channel 3.1 through the acceleration of the acceleration section 2.1, then enters the injection area 5 through the plurality of swirl holes 4.1, and finally is uniformly sprayed out in a circular ring shape under the guidance of the retainer ring 6.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multi-channel swirl nozzle for SOx/NOx control, includes flange portion (1), import portion (2) and spiral case portion (3), its characterized in that: the connecting flange part (1) is connected with the volute part (3) through the inlet part (2); an inlet (1.1) is formed in the axis of the connecting flange part (1); the inlet part (2) is communicated with the inlet (1.1), and the axis of the inlet part (2) is provided with an accelerating section (2.1); a volute flow channel (3.1) extending along the circumferential direction of the volute part is arranged in the volute part (3), and a plurality of swirl holes (4.1) communicated with the volute flow channel (3.1) are formed in an inner ring (4) of the volute part (3); the inner side of the worm shell part (3) is provided with a retaining ring (6) which is coaxial with the inner ring (4) of the worm shell part (3), the area between the retaining ring (6) and the inner ring (4) of the worm shell part (3) is an injection area (5), and the swirl hole (4.1) is communicated with the vortex-shaped flow passage (3.1) and the injection area (5).
2. The multi-runner swirler nozzle for desulfurization and denitrification according to claim 1, characterized in that: the accelerating section (2.1) is of a conical hole structure, the large opening end of the conical hole is communicated with the inlet (1.1), and the small opening end faces the volute part (3) and is communicated with the volute flow channel (3.1).
3. The multi-runner swirler nozzle for desulfurization and denitrification according to claim 1, characterized in that: the retainer ring (6) is of a gradually-expanding pipe structure, the upper end of the retainer ring (6) is provided with a small opening end and is in threaded connection with the upper part of the worm casing part (3), and the lower end of the retainer ring (6) is provided with a large opening end.
4. The multi-runner swirler nozzle for desulfurization and denitrification according to claim 1, characterized in that: the connecting flange part (1) is provided with a threaded through hole (1.2) for a bolt to pass through.
5. The multi-runner swirler nozzle for desulfurization and denitrification according to claim 1, characterized in that: the swirl holes (4.1) feed liquid along the tangential direction of the side wall of the injection area (5), and four or six swirl holes (4.1) are arranged in an annular array.
6. The multi-runner swirler nozzle for desulfurization and denitrification according to claim 1, characterized in that: the connecting flange part (1), the inlet part (2) and the volute part (3) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021854009.6U CN213409088U (en) | 2020-08-31 | 2020-08-31 | Multi-runner swirl nozzle for desulfurization and denitrification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021854009.6U CN213409088U (en) | 2020-08-31 | 2020-08-31 | Multi-runner swirl nozzle for desulfurization and denitrification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213409088U true CN213409088U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021854009.6U Active CN213409088U (en) | 2020-08-31 | 2020-08-31 | Multi-runner swirl nozzle for desulfurization and denitrification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213409088U (en) |
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- 2020-08-31 CN CN202021854009.6U patent/CN213409088U/en active Active
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