CN110787562B - High-temperature flue gas washing spray head - Google Patents
High-temperature flue gas washing spray head Download PDFInfo
- Publication number
- CN110787562B CN110787562B CN201910925681.5A CN201910925681A CN110787562B CN 110787562 B CN110787562 B CN 110787562B CN 201910925681 A CN201910925681 A CN 201910925681A CN 110787562 B CN110787562 B CN 110787562B
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- connecting piece
- cylindrical
- spiral body
- end cap
- conical spiral
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
- B01D47/08—Spray cleaning with rotary nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a high-temperature flue gas washing spray head which comprises a conical spiral body and a cylindrical connecting piece, wherein the bottom of the cylindrical connecting piece is connected with the top of the conical spiral body, a liquid flow channel is arranged in the cylindrical connecting piece from top to bottom, the middle part of the outer side of the cylindrical connecting piece protrudes outwards to form a nut structure, external threads are arranged on the upper part of the outer side of the cylindrical connecting piece, the liquid flow channel is of a conical structure with a large top and a small bottom, the top of the conical spiral body extends upwards to form a connecting boss, a connecting groove is arranged at the bottom of the cylindrical connecting piece, the connecting boss is embedded into the connecting groove, a fastening bolt penetrates through the cylindrical connecting piece, the connecting groove and a bolt hole of the connecting boss, and the conical spiral body, the cylindrical connecting piece and the fastening bolt are all made of polytetrafluoroethylene. The invention not only has the function of enhancing the washing effect, but also can enhance the anti-blocking effect; the conical spiral body can be conveniently and quickly replaced, and different use requirements are met.
Description
Technical Field
The invention belongs to the technical field of flue gas treatment, and particularly relates to a high-temperature flue gas washing spray head.
Background
Generally, high-temperature flue gas can be discharged after a series of treatment processes such as washing and the like, such as yellow phosphorus tail gas. The washing is carried out in a washing tower, which can purify the flue gas on one hand and play a role in recovering the yellow phosphorus on the other hand. The washing shower nozzle is as the key equipment in the scrubbing tower, because prior art's washing shower nozzle is stainless steel's spiral shower nozzle, not only life is short, takes place to block up moreover easily, seriously influences the treatment effect. For this reason, it is necessary to develop a high temperature flue gas washing nozzle capable of solving the above problems.
Disclosure of Invention
The invention aims to provide a high-temperature flue gas washing spray head.
The invention aims to realize the purpose, the conical spiral body and the cylindrical connecting piece are included, the bottom of the cylindrical connecting piece is connected with the top of the conical spiral body, a liquid flow channel is arranged in the cylindrical connecting piece from top to bottom, the middle part of the outer side of the cylindrical connecting piece protrudes outwards to form a nut structure, external threads are arranged on the upper part of the outer side of the cylindrical connecting piece, the liquid flow channel is in a conical structure with a large top and a small bottom, the top of the conical spiral body extends upwards to form a connecting boss, the bottom of the cylindrical connecting piece is provided with a connecting groove, the connecting boss is embedded into the connecting groove, a fastening bolt penetrates through bolt holes of the cylindrical connecting piece, the connecting groove and the connecting boss to enable the connecting groove and the connecting boss to be fixed, and the conical spiral body, the cylindrical connecting piece and the fastening bolt are all made of polytetrafluoroethylene.
The invention has the beneficial effects that: the liquid flow channel is of a conical structure with a large upper part and a small lower part, so that the treatment effect on the yellow phosphorus tail gas is enhanced, and the anti-blocking effect can be enhanced; the conical spiral body can be conveniently and quickly replaced, and different use requirements are met; the material of the invention is polytetrafluoroethylene, is particularly suitable for the requirement of high-temperature flue gas washing environment, and prolongs the service life of the spray head; according to the invention, the plurality of liquid feeding pipes are matched with the cylindrical end caps and the flow guide grooves of the liquid flow channel, so that the washing liquid is spirally descended and sprayed out, the spraying area is enlarged, and the treatment effect on the yellow phosphorus tail gas is improved; and the top connecting boss of the conical spiral body can be arranged in the other connecting groove according to the smoke treatment requirement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention further including a cylindrical end cap and a feed tube;
FIG. 3 is a schematic cross-sectional view of the cylindrical connector and cylindrical end cap of FIG. 2;
FIG. 4 is a schematic view of the connection boss of the conical spiral body of FIG. 3 being mounted in another connection groove;
FIG. 5 is a schematic top view of the structure of FIG. 2;
in the figure: the device comprises a conical spiral body 1, a cylindrical connecting piece 2, a liquid flow channel 3, a connecting boss 4, a fastening bolt 5, a cylindrical end cap 6, a diversion trench 7 and a liquid feeding pipe 8.
Detailed Description
The invention is further described with reference to the accompanying drawings, but the invention is not limited in any way, and any alterations or substitutions based on the teaching of the invention are within the scope of the invention.
As shown in the attached figures 1-5, the invention comprises a conical spiral body 1 and a cylindrical connecting piece 2, wherein the bottom of the cylindrical connecting piece 2 is connected with the top of the conical spiral body 1, a liquid flow channel 3 is arranged in the cylindrical connecting piece 2 from top to bottom, the middle part of the outer side of the cylindrical connecting piece 2 protrudes outwards to form a nut structure, the upper part of the outer side of the cylindrical connecting piece 2 is provided with an external thread, the liquid flow channel 3 is in a conical structure with a large upper part and a small lower part, the top of the conical spiral body 1 extends upwards to form a connecting boss 4, the bottom of the cylindrical connecting piece 2 is provided with a connecting groove, the connecting boss 4 is embedded into the connecting groove, the fastening bolt 5 passes through the cylindrical connecting piece 2, the connecting groove and the bolt hole of the connecting boss 4 to fix the connecting groove and the connecting boss 4, the conical spiral body 1, the cylindrical connecting piece 2 and the fastening bolt 5 are all made of polytetrafluoroethylene.
Preferably, the top of cylindrical connecting piece 2 is equipped with cylindrical end cap 6, and the inner wall of 6 lower parts of cylindrical end cap is equipped with the internal thread, threaded connection between the internal thread of cylindrical end cap 6 and the external screw thread in the 2 outsides of cylindrical connecting piece, 6 inside walls of cylindrical end cap, 3 inner walls of liquid flow channel are equipped with guiding gutter 7 that is spiral decline pattern respectively from top to bottom, the tangent liquid supply pipe 8 that is the level form that is provided with in 6 outside wall upper portions of cylindrical end cap, liquid supply pipe 8 has 3 at least, and the interval between two liang of liquid supply pipes 8 equals.
Preferably, the direction of the liquid flow of the liquid feeding pipe 8 entering the cylindrical end cap 6 is the same as the direction of the flow guide grooves 7 of the cylindrical end cap 6.
Preferably, the direction of rotation of the channels of the cylindrical end cap 6 is the same as the direction of rotation of the channels of the flow channel 3.
Preferably, the direction of the flow guide groove of the liquid flow channel 3 is the same as or opposite to the direction of the conical spiral body 1.
Preferably, the cylindrical end cap 6 and the liquid supply pipe 8 are made of polytetrafluoroethylene.
Preferably, the number of the connecting grooves is two, and the connecting grooves are arranged symmetrically with each other.
Preferably, the conical spiral body 1 is a conical spiral body with a hollow inner part.
Preferably, the high-temperature flue gas is yellow phosphorus tail gas.
The working principle and the working process of the invention are as follows: washing liquid enters from the larger end of the upper part of the liquid flow channel 3 and is sprayed out from the smaller end of the lower part of the liquid flow channel, and the sprayed washing liquid collides with the conical spiral body 1, so that the spraying area is increased; when the conical spiral bodies 1 with different specifications need to be used or the conical spiral bodies 1 need to be replaced under the conditions of long service time and the like, the conical spiral bodies 1 are replaced by only disassembling the fastening bolts 5, and then the fastening bolts 5 are installed with the conical spiral bodies 1 again, so that the replacement is completed, and the operation is simple and convenient;
as a preferred technical scheme, the invention also comprises a cylindrical end cap 6 and a liquid feeding pipe 8; specifically, the washing liquid is sent into the cylindrical end cap 6 from the liquid feeding pipe 8, and the liquid feeding pipe 8 is tangent to the outer side wall of the cylindrical end cap 6, so that the washing liquid enters the cylindrical end cap 6 and moves along the inner wall of the cylindrical end cap 6, and the plurality of liquid feeding pipes 8 act together to form balanced rotational flow of the washing liquid; the rotational flow descends spirally and is sprayed out from the smaller end of the lower part of the liquid flow channel 3 under the action of the cylindrical end cap 6 and the flow guide groove of the liquid flow channel 3, and then collides with the conical spiral body 1 to enlarge the spraying area, so that the treatment effect on the yellow phosphorus tail gas is enhanced; the top connecting boss 4 of the conical spiral body 1 can be arranged in the other connecting groove according to the requirement, thereby changing the rotating direction of the conical spiral body.
Claims (6)
1. A high-temperature flue gas washing nozzle comprises a conical spiral body (1) and a cylindrical connecting piece (2), wherein the bottom of the cylindrical connecting piece (2) is connected with the top of the conical spiral body (1), a liquid flow channel (3) is arranged in the cylindrical connecting piece (2) from top to bottom, the middle part of the outer side of the cylindrical connecting piece (2) protrudes outwards to form a nut structure, and an external thread is arranged on the upper part of the outer side of the cylindrical connecting piece (2), and is characterized in that the liquid flow channel (3) is of a conical structure with a large upper part and a small lower part, the top of the conical spiral body (1) extends upwards to form a connecting boss (4), the bottom of the cylindrical connecting piece (2) is provided with a connecting groove, the connecting boss (4) is embedded into the connecting groove, a fastening bolt (5) penetrates through the cylindrical connecting piece (2), the connecting groove and a bolt hole of the connecting boss (4), so that the connecting groove is fixed with the connecting boss (4), the conical spiral body (1), the cylindrical connecting piece (2) and the fastening bolt (5) are all made of polytetrafluoroethylene; the top of the cylindrical connecting piece (2) is provided with a cylindrical end cap (6), the inner wall of the lower part of the cylindrical end cap (6) is provided with an internal thread, the internal thread of the cylindrical end cap (6) is in threaded connection with the external thread of the outer side of the cylindrical connecting piece (2), the inner side wall of the cylindrical end cap (6) and the inner wall of the liquid flow channel (3) are respectively provided with a diversion trench (7) in a spiral descending mode from top to bottom, the upper part of the outer side wall of the cylindrical end cap (6) is tangentially provided with a horizontal liquid supply pipe (8), the number of the liquid supply pipes (8) is at least 3, and the distances between every two liquid supply pipes (8) are equal; the rotating direction of the liquid flow of the liquid feeding pipe (8) entering the cylindrical end cap (6) is the same as that of the guide groove (7) of the cylindrical end cap (6); the spiral direction of the diversion trench of the cylindrical end cap (6) is the same as the spiral direction of the diversion trench of the liquid flow channel (3).
2. The high-temperature flue gas washing spray head according to claim 1, wherein the direction of the flow guide grooves of the liquid flow channel (3) is the same as or opposite to the direction of the conical spiral body (1).
3. The high-temperature flue gas washing nozzle according to claim 1, wherein the cylindrical end cap (6) and the liquid feeding pipe (8) are made of polytetrafluoroethylene.
4. The high-temperature flue gas washing sprayer according to claim 1, wherein the number of the connecting grooves is two, and the two connecting grooves are symmetrically arranged.
5. The high-temperature flue gas washing spray head according to claim 1, characterized in that the conical spiral body (1) is a conical spiral body with a hollow interior.
6. The high-temperature flue gas washing spray head of claim 1, wherein the high-temperature flue gas is yellow phosphorus tail gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910925681.5A CN110787562B (en) | 2019-09-27 | 2019-09-27 | High-temperature flue gas washing spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910925681.5A CN110787562B (en) | 2019-09-27 | 2019-09-27 | High-temperature flue gas washing spray head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110787562A CN110787562A (en) | 2020-02-14 |
| CN110787562B true CN110787562B (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910925681.5A Active CN110787562B (en) | 2019-09-27 | 2019-09-27 | High-temperature flue gas washing spray head |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203591897U (en) * | 2013-10-09 | 2014-05-14 | 宣城市新涛碳酸钙有限公司 | Atomizing nozzle for modifier conveyer pipe |
| CN204656796U (en) * | 2015-04-15 | 2015-09-23 | 陕西超能石化科技有限公司 | A kind of shower nozzle for flue gas washing purification |
| CN205887232U (en) * | 2016-08-19 | 2017-01-18 | 湖北航天杜勒制药有限公司 | Water bath disinfection is with hollow cone spiral nozzle |
| CN106918266A (en) * | 2015-12-28 | 2017-07-04 | 上海艾客制冷科技有限公司 | Variable-flow shower nozzle is spread in a kind of drainage |
| CN108636625A (en) * | 2018-03-13 | 2018-10-12 | 因诺弥斯特有限责任公司 | Multi-mode fluid tip |
| CN210964534U (en) * | 2019-09-27 | 2020-07-10 | 贾伟 | High-temperature flue gas washing spray head |
-
2019
- 2019-09-27 CN CN201910925681.5A patent/CN110787562B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203591897U (en) * | 2013-10-09 | 2014-05-14 | 宣城市新涛碳酸钙有限公司 | Atomizing nozzle for modifier conveyer pipe |
| CN204656796U (en) * | 2015-04-15 | 2015-09-23 | 陕西超能石化科技有限公司 | A kind of shower nozzle for flue gas washing purification |
| CN106918266A (en) * | 2015-12-28 | 2017-07-04 | 上海艾客制冷科技有限公司 | Variable-flow shower nozzle is spread in a kind of drainage |
| CN205887232U (en) * | 2016-08-19 | 2017-01-18 | 湖北航天杜勒制药有限公司 | Water bath disinfection is with hollow cone spiral nozzle |
| CN108636625A (en) * | 2018-03-13 | 2018-10-12 | 因诺弥斯特有限责任公司 | Multi-mode fluid tip |
| CN210964534U (en) * | 2019-09-27 | 2020-07-10 | 贾伟 | High-temperature flue gas washing spray head |
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| Publication number | Publication date |
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| CN110787562A (en) | 2020-02-14 |
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