CN101890285B - Rotary cleaning device for defroster of flue gas desulfurizing tower - Google Patents
Rotary cleaning device for defroster of flue gas desulfurizing tower Download PDFInfo
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- CN101890285B CN101890285B CN201010235773XA CN201010235773A CN101890285B CN 101890285 B CN101890285 B CN 101890285B CN 201010235773X A CN201010235773X A CN 201010235773XA CN 201010235773 A CN201010235773 A CN 201010235773A CN 101890285 B CN101890285 B CN 101890285B
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- Prior art keywords
- scouring media
- endoporus
- scouring
- cavity
- conveying axis
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- 238000004140 cleaning Methods 0.000 title claims abstract description 37
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 239000003546 flue gas Substances 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000009991 scouring Methods 0.000 claims description 101
- 238000011010 flushing procedure Methods 0.000 claims description 38
- 206010016825 Flushing Diseases 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 208000002925 dental caries Diseases 0.000 description 7
- 239000010865 sewage Substances 0.000 description 7
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000006477 desulfuration reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008676 import Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000003517 fume Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The invention discloses a rotary cleaning device for a defroster of a flue gas desulfurizing tower, which comprises a vertically arranged cylinder. The inside of the cylinder is separated into a cleaning medium pressure cavity and a transmission cavity which are arranged up and down and not communicated with each other; the cleaning medium pressure cavity is communicated with an external cleaning medium generator; a power driving mechanism is arranged in the transmission cavity, is connected with the lower end of a vertically arranged delivery axis, and drives the delivery axis to rotate; the upper end of the delivery axis passes through the cleaning medium pressure cavity to extend out of the cylinder, and is fixedly connected with a cleaning mechanism; the side wall of the delivery axis is provided with a plurality of cleaning medium inlet holes communicated with inner holes of the delivery axis; the inner holes of the delivery axis are also communicated with the cleaning mechanism. The rotary cleaning device can clean the defroster in the desulfurizing tower under the condition that the desulfurizing tower runs normally, and has the advantages of simple structure and easy implementation.
Description
Technical field the invention belongs to machinery manufacturing technology field, relates to a kind of cleaning device, is specifically related to a kind of rotary cleaning device for defroster of flue gas desulfurizing tower.
Background technology flue gas desulfurization is the environmental requirement that must realize in the using energy source.Generally adopt the wet process of FGD technology to carry out flue gas desulfurization in the industrial circle, the capital equipment in this desulfur technology is a fume desulfurizing tower.Fume desulfurizing tower top is equipped with demister; Be used for removing the dust-containing water droplet that flue gas carries; Prevent that the water smoke that contains sulfur dioxide and grit from dripping by transferring in the desulfurizing tower in the clean flue gas system, cause desulfurizing tower to be exported to installations and facilities fouling between the chimney and with of the pollution of the dust-containing water droplet of fume emission in the atmosphere to atmosphere.In the desulfurizing tower running, dust and dirt can be piled up in the demister surface, and influence is used, and needs it is cleaned.At present, generally be employed in demister top and lower disposed fixing corrosion-resistant flushing water pipeline and fixed nozzle and clean demister, rinsed water degree of overlapping is greater than 100%.But the position of flushing water fixed-piping receives process technology limit away from demister; The scouring capability that acts on the demister after the flushing water atomizing weakens; The dust and dirt that causes boning on the demister can not get timely removing; Run up to and cause after the some demister differential pressure to raise, cause the desulphurization system operation that logs off when serious.Patent " HHT higher high tensile desulfurization and dedusting tower demister cleaning device " (patent No. ZL02261591.1; Publication number CN2582735; Open day 2003.10.29) disclose a kind of demister cleaning device, this cleaning device comprises pressure test device, control device, cleaning device.Gearbox is fixed on the desulfurization and dedusting inner wall of tower, by driven by motor; Scavenging conduit is coaxial fixing with the turning cylinder of gearbox, and is communicated with water under high pressure pipeline, steam pipework through input pipe, and nozzle is fixed in the scavenging conduit end.This device can carry out deashing decontamination operation to desulfurization and dedusting tower demister automatically as required, and the deashing detersive efficiency is up to more than 99%.The advance of its design philosophy is closely cleaning automatically of application of dynamic, has solved the defective of fixed rinsed weak effect.But the subject matter of its existence is the complexity of transmission device, in engineering practice, is difficult to realize.
Summary of the invention the object of the present invention is to provide a kind of rotary cleaning device for defroster of flue gas desulfurizing tower, can not only dynamically closely clean demister, and transmission mechanism is simple, is easy in the engineering practice realize.
To achieve these goals, the technical scheme that the present invention taked is:
A kind of rotary cleaning device for defroster of flue gas desulfurizing tower; The cylindrical shell that comprises vertical setting; Barrel is divided into not connected scouring media pressure cavity and the transmission cavity that is provided with up and down, and the scouring media pressure cavity communicates with the scouring media generator, is provided with power-driven mechanism in the transmission cavity; This power-driven mechanism connects with the lower ends of the conveying axis that vertically is provided with; Power-driven mechanism drives the conveying axis rotation, and the upper end of conveying axis is upward through the scouring media pressure cavity and stretches out outside the cylindrical shell, and is connected with wiper mechanism; Be processed with a plurality of scouring medias that communicate with the conveying axis endoporus on the sidewall of conveying axis and get into the hole, the endoporus of conveying axis also communicates with wiper mechanism.
Described wiper mechanism comprises the scouring media distributor chamber of hollow; Be evenly equipped with the flushing person in charge that at least two endoporus communicate with scouring media distributor chamber cavity on the sidewall of scouring media distributor chamber; Every flushing is responsible for and all is connected with the distributing pipe that endoporus communicates with flushing person in charge endoporus; Be connected with the flushing arm that at least two endoporus communicate with the distributing pipe endoporus on the every distributing pipe; On all flushing persons in charge and all flushing arms a plurality of nozzles are installed all, the bottom of scouring media distributor chamber is connected with conveying axis, and scouring media distributor chamber cavity communicates with the endoporus of conveying axis.
Described flushing is propped up the horizontal intersecting angle of tube's axis and flushing person in charge axis more than or equal to zero curvature.
Described conveying axis comprises the hollow shaft part of scouring media, scouring media reversal chamber and drive axle segments successively; Scouring media reversal chamber hollow; The sidewall of scouring media reversal chamber is provided with a plurality of scouring medias that communicate with scouring media reversal chamber cavity and gets into the hole, and the endoporus of the hollow shaft part of scouring media communicates with scouring media reversal chamber cavity.
Described cylinder lateral wall is provided with the compressed air inlet that communicates with the transmission cavity.
Rotary cleaning device of the present invention adopts the conveying axis transferring power of particular design, and carries scouring media, makes wiper mechanism in rotation, spray scouring media; Scouring media is ejected into the surface location of demister; Demister is cleaned, improved cleaning performance, and can under the situation of desulfurizing tower work, dynamically clean; Simple in structure, be easy to implement on the engineering.
Description of drawings Fig. 1 is the structural representation of rotary cleaning device of the present invention.
Fig. 2 is the structural representation of wiper mechanism in the rotary cleaning device of the present invention.
Fig. 3 is the structural representation of conveying axis in the rotary cleaning device of the present invention.
Among the figure: 1. cylindrical shell, 2. seal diaphragm, 3. scouring media pressure cavity, 4. transmission cavity, 5. decelerator, 6. support, 7. motor; 8. bolt, 9. power output shaft, 10. shaft coupling, 11. anti-splash basins, 12. conveying axis, 13. upper bearing (metal)s; 14. lower bearing, 15. first mechanical seals, 16. second mechanical seals, 17. scouring media imports, 18. compressed air inlet, 19. sewage draining exits; 20. brace summer, 21. scouring media distributors, 22. flushings are responsible for, 23. distributing pipes, 24. flushing arms, 25. flooding nozzles; 26. the desulfurizing tower demister, 27. drive axle segments, 28. scouring media reversal chambers, the hollow shaft part of 29. scouring medias, 30. scouring medias get into hole, 31. wiper mechanisms.
The specific embodiment is elaborated to the present invention below in conjunction with the accompanying drawing and the specific embodiment:
As shown in Figure 1; The structure of rotary cleaning device of the present invention; Comprise the cylindrical shell 1 of the hollow of vertical setting, be horizontally disposed with seal diaphragm 2 in the cylindrical shell 1, seal diaphragm 2 is divided into not connected two cavitys up and down with cylindrical shell 1 inside; Cavity above the seal diaphragm 2 is a scouring media pressure cavity 3, and seal diaphragm 2 following cavitys are transmission cavity 4; Be provided with support 6 in the transmission cavity 4, decelerator 5 is installed on the support 6, the power output shaft 9 of decelerator 5 vertically is provided with; Decelerator 5 is connected with motor 7 through bolt 8, and motor 7 drives the reducing gear rotation in the decelerator 5, and power output shaft 9 connects through the lower ends of shaft coupling 10 with the conveying axis 12 that vertically is provided with; Anti-splash basin 11 is installed on the power output shaft 9; Anti-splash basin 11 is between shaft coupling 10 and decelerator 5, and the appearance and size of anti-splash basin 11 is greater than the appearance and size of decelerator 5, and transmission cavity 4 lower sidewall are provided with sewage draining exit 19; Sewage draining exit 19 communicates with transmission cavity 4 inside, and the position of sewage draining exit 19 is lower than the lower surface of motor 7; Transmission cavity 4 side wall upper part are provided with the compressed air inlet 18 that communicates with transmission cavity 4 inside, and the position of compressed air inlet 18 is positioned at the top of splashproof dish 11, and compressed air inlet 18 communicates with compressed air piping.The upper end of conveying axis 12 is passed seal diaphragm 2 and is got into scouring media pressure cavity 3; And pass scouring media pressure cavity 3 outside cylindrical shell 1 is stretched out at the top of cylindrical shell 1; Conveying axis 12 and cylindrical shell 1 coaxial setting; The upper end of conveying axis 12 is connected with wiper mechanism 31, and conveying axis 12 is installed in the cylindrical shell 1 with lower bearing 14 through the upper bearing (metal) 13 that is provided with up and down, and upper bearing (metal) 13 is arranged in the scouring media pressure cavity 3 with lower bearing 14; The position that conveying axis 12 passes seal diaphragm 2 is provided with second mechanical seal 16; The position that conveying axis 12 passes cylindrical shell 1 top is provided with first mechanical seal 15, and the sidewall of scouring media pressure cavity 3 is provided with the scouring media import 17 that communicates with scouring media pressure cavity 3 inside, and scouring media import 17 communicates with the scouring media generator through conveyance conduit.The scouring media generator is positioned at the desulfurizing tower outside.
As shown in Figure 2; The example structure of wiper mechanism 31 in the rotary cleaning device of the present invention; The scouring media distributor chamber 21 that comprises hollow is evenly equipped with at least two horizontally disposed flushings and is responsible for 22 on the sidewall of scouring media distributor chamber 21, the flushing person in charge 22 endoporus communicates with the cavity of scouring media distributor chamber 21; The every flushing person in charge's 22 the other end all is connected with horizontally disposed distributing pipe 23; The endoporus of distributing pipe 23 and flushing are responsible for 22 endoporus and are communicated, and it is perpendicular with the axis of affixed distributing pipe 23 on it that 22 axis is responsible in flushing, all parallelly on the every distributing pipe 23 are connected with at least two and wash arms 24; Be provided with a plurality of nozzles 25 on all flushing persons in charge 22 and all flushing arms 24; Nozzle 25 is towards desulfurizing tower demister surface, and the nozzle 25 that is installed on the flushing person in charge 22 communicates with the flushing person in charge 22 endoporus, and the nozzle 25 that is installed on the flushing arm 24 communicates with the endoporus of flushing arm 24.The horizontal intersecting angle that 22 axis are responsible in flushing arm 24 axis and flushing is more than or equal to zero curvature.
As shown in Figure 3; The example structure of conveying axis 12 in the rotary cleaning device of the present invention; Comprise drive axle segments 27, an end of drive axle segments 27 is provided with the scouring media reversal chamber 28 of hollow, is processed with a plurality of scouring medias that communicate with scouring media reversal chamber 28 cavitys on the sidewall of scouring media reversal chamber 28 and gets into hole 30; The end that scouring media reversal chamber 28 deviates from drive axle segments 27 is provided with through hole; This through hole communicates with scouring media reversal chamber 28 cavitys, and the end face that scouring media reversal chamber 28 deviates from drive axle segments 27 is provided with the hollow shaft part 29 of scouring media, and the endoporus of the hollow shaft part 29 of scouring media communicates with the cavity of scouring media reversal chamber 28; The hollow shaft part of drive axle segments 27, scouring media reversal chamber 28 and scouring media 29 is as a whole.The other end of drive axle segments 27 is connected with shaft coupling 11, and the other end of the hollow shaft part 29 of scouring media is equipped with wiper mechanism.The hollow shaft part 29 of scouring media is connected with the bottom of scouring media distributor chamber 21, and the endoporus of the hollow shaft part 29 of scouring media communicates with the cavity of scouring media distributor chamber 21.
First mechanical seal 15 and second mechanical seal 16 can prevent scouring media by scouring media pressure cavity 3 to external leakage, keep the pressure in the scouring media pressure cavity 3, make that scouring media can the pressurising operation.
The cylindrical shell 1 of whirligig of the present invention is installed on the brace summer 20 of desulfurizing tower demister, makes the outlet of nozzle 25 be positioned at the top of demister, cylindrical shell 1 and the coaxial setting of desulfurizing tower.Compressed air inlet 18 is connected with compressed air piping, scouring media import 17 is communicated with through the scouring media conveyance conduit scouring media generator outer with being arranged at desulfurizing tower, sewage draining exit 19 is communicated with desulfurizing tower inside through short tube.
When cleaning demister; Actuating motor 7; Motor 7 drives the reducing gear rotation in the decelerator 5, and rotation torque is exported through power output shaft 9, and power output shaft 9 drives conveying axis 12 rotations through shaft coupling 11; Conveying axis 12 drives scouring media distributor chamber 21 and rotates, and scouring media distributor chamber 21 drives the flushing person in charge 22 and 24 rotations of flushing arm.Through the scouring media conveyance conduit scouring media is sent into scouring media pressure cavity 3 continuously through scouring media import 17; The scouring media that gets into scouring media pressure cavity 3 gets into hole 30 through scouring media and gets in scouring media reversal chamber 28 cavitys; Flow in scouring media distributor chamber 21 cavitys through the hollow shaft part 29 of scouring media then; Scouring media in entering scouring media distributor chamber 21 cavitys flows through the flushing person in charge 22, distributing pipe 23 and flushing arm 24 entering nozzles 25 successively; And, demister is rotated cleaning from along spraying to demister 26 nozzle 25 of desulfurizing tower axis rotation.In cleaning process; Compressed air through compressed air piping will be used to cool off is sent into transmission cavity 4; Get into the compressed air absorption motor 7 of transmission cavity 4 and the heat that decelerator 5 produces in the course of the work; Realization is to the cooling of gearing part, becomes behind the hot-air and a small amount of scouring medias in second mechanical seal 16 is leaked to transmission cavity 4 enter desulfurizing tower inside through sewage draining exit 19.
In this rotary cleaning device running, the pressure in the transmission cavity 4 is greater than the internal pressure of desulfurizing tower.
Scouring media can be a water, also can be other medium.
Rotary cleaning device of the present invention can be under the situation of the normal operation of desulfurizing tower, and the demister of desulfurizing tower inside is dynamically cleaned, and is simple in structure, is easy to realize.
Claims (4)
1. rotary cleaning device for defroster of flue gas desulfurizing tower; It is characterized in that: the cylindrical shell (1) that comprises vertical setting; Cylindrical shell (1) inside is divided into not connected scouring media pressure cavity (3) and the transmission cavity (4) that is provided with up and down, and scouring media pressure cavity (3) communicates with the scouring media generator, and the transmission cavity is provided with power-driven mechanism in (4); This power-driven mechanism connects with the lower ends of the conveying axis (12) that vertically is provided with; Said power-driven mechanism drives conveying axis (12) rotation, and the upper end of said conveying axis (12) is upward through scouring media pressure cavity (3) and stretches out outside the cylindrical shell (1), and is connected with wiper mechanism (31); The sidewall of said conveying axis (12) is provided with a plurality of scouring medias that communicate with conveying axis (12) endoporus and gets into hole (30), and the endoporus of conveying axis (12) also communicates with wiper mechanism (31);
Described wiper mechanism (31) comprises the scouring media distributor chamber (21) of hollow; Be evenly equipped with the flushing person in charge (22) that at least two endoporus communicate with scouring media distributor chamber (21) cavity on the sidewall of scouring media distributor chamber (21); Every flushing is responsible for and all is connected with the distributing pipe (23) that endoporus communicates with the flushing person in charge (22) endoporus on (22); Be connected with the flushing arm (24) that at least two endoporus communicate with distributing pipe (23) endoporus on the every distributing pipe (23); All flushings are responsible on (22) and all the flushing arms (24) a plurality of nozzles (25) all are installed; The bottom of scouring media distributor chamber (21) is connected with conveying axis (12), and scouring media distributor chamber (21) cavity communicates with the endoporus of conveying axis (12).
2. according to the described rotary cleaning device of claim 1, it is characterized in that: the horizontal intersecting angle that (22) axis is responsible in described flushing arm (24) axis and flushing is more than or equal to zero curvature.
3. according to the described rotary cleaning device of claim 1; It is characterized in that: described conveying axis (12) comprises the hollow shaft part of scouring media (29), scouring media reversal chamber (28) and drive axle segments (27) successively; Scouring media reversal chamber (28) hollow; The sidewall of scouring media reversal chamber (28) is provided with a plurality of scouring medias that communicate with scouring media reversal chamber (28) cavity and gets into hole (30), and the endoporus of the hollow shaft part of scouring media (29) communicates with scouring media reversal chamber (28) cavity.
4. according to the described rotary cleaning device of claim 1, it is characterized in that: described cylindrical shell (1) sidewall is provided with the compressed air inlet (18) that communicates with transmission cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010235773XA CN101890285B (en) | 2010-07-23 | 2010-07-23 | Rotary cleaning device for defroster of flue gas desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010235773XA CN101890285B (en) | 2010-07-23 | 2010-07-23 | Rotary cleaning device for defroster of flue gas desulfurizing tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101890285A CN101890285A (en) | 2010-11-24 |
| CN101890285B true CN101890285B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010235773XA Expired - Fee Related CN101890285B (en) | 2010-07-23 | 2010-07-23 | Rotary cleaning device for defroster of flue gas desulfurizing tower |
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| CN (1) | CN101890285B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3074640B1 (en) * | 2013-11-30 | 2019-05-22 | ArcelorMittal | Improved pusher pump resistant to corrosion by molten aluminum and having an improved flow profile |
| CN110038402B (en) * | 2019-05-31 | 2024-04-02 | 济南亘高环保设备有限公司 | Dry-wet interface flushing device for inlet of absorption tower |
| CN115430672A (en) * | 2021-06-01 | 2022-12-06 | 天辰化工有限公司 | Granular caustic soda prilling tower cleaning system in solid caustic soda device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2582735Y (en) * | 2002-11-12 | 2003-10-29 | 吴忠标 | Ultra strength desulfur dust collect tower defroster cleaning apparatus |
| CN201519673U (en) * | 2009-10-23 | 2010-07-07 | 温州亚光机械制造有限公司 | Automatic cleaning machine with rotating joint fixed center spray pipe device |
| CN201776076U (en) * | 2010-07-23 | 2011-03-30 | 蒋平锁 | Rotary cleaning device for defogger of flue gas desulfurization tower |
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2010
- 2010-07-23 CN CN201010235773XA patent/CN101890285B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101890285A (en) | 2010-11-24 |
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Owner name: SHAANXI HANDE ENERGY SAVING AND ENVIRONMENTAL PROT Free format text: FORMER OWNER: JIANG PINGSUO Effective date: 20130426 |
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