CN1785482A - Spray tower having absorber paste redistribution device - Google Patents
Spray tower having absorber paste redistribution device Download PDFInfo
- Publication number
- CN1785482A CN1785482A CN 200510095742 CN200510095742A CN1785482A CN 1785482 A CN1785482 A CN 1785482A CN 200510095742 CN200510095742 CN 200510095742 CN 200510095742 A CN200510095742 A CN 200510095742A CN 1785482 A CN1785482 A CN 1785482A
- Authority
- CN
- China
- Prior art keywords
- redistribution device
- spray
- absorber paste
- paste redistribution
- absorber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007921 spray Substances 0.000 title claims description 43
- 239000006096 absorbing agent Substances 0.000 title claims description 39
- 239000002002 slurry Substances 0.000 claims abstract description 32
- 230000002745 absorbent Effects 0.000 claims abstract description 23
- 239000002250 absorbent Substances 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims description 29
- 239000011152 fibreglass Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000003517 fume Substances 0.000 abstract 3
- 230000003009 desulfurizing effect Effects 0.000 abstract 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 14
- 239000003546 flue gas Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 9
- 238000006477 desulfuration reaction Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
A sprinkling tower with absorbent slurry redistributor for wet desulfurizing of fume features that in the sprinkling tower such units are sequentially arranged from top to bottom as fume outlet, defroster, the third, the second and the first sprinkling layers, inclined absorbent slurry redistributor, fume inlet and slurry pool. It has high desulfurizing efficiency.
Description
Technical field
The present invention relates to a kind of spray column that is used for wet process of FGD (WFGD) or similar field, belong to the technical field of environmental protection equipment.
Background technology
In recent years, collection dedusting, cooling, absorption, oxidative function are that the tower wet flue gas desulfurizer of list of one is used widely, for preventing the generation of phenomenons such as equipment scaling, obstruction, guarantee the normal operation of flue gas desulfur device and host computer system, in the desulfurization project at home and abroad, the uptake zone generally adopts the mode of hollow-spraying-tower, and promptly flue gas contacts with slurries are reverse, the SO in the flue gas
2Diffusion mass transfer in absorbent slurry, its absorption reaction speed and efficient depend on the relative velocity of flue gas and slurries, contact area, multiple factor such as the time of staying.For making flue gas fully contact with slurries, adopt every layer of mode that spraying layer is arranged big flow nozzle on the engineering, because flue gas is the inhomogeneities of VELOCITY DISTRIBUTION everywhere in the spray column cross section, usually having greatly, absorbent slurry does not contact with flue gas and flows downward along spray Tata wall, thereby caused gas " short circuit ", reduced desulfuration efficiency.
Summary of the invention
Technical problem: in order to overcome the problem that existing method exists, the invention provides a kind of spray column with absorber paste redistribution device, this spray column can make full use of absorbent slurry, the collection wall flows and absorbent slurry is distributed again, effectively increase the vapour-liquid contact area, prevent gas " short circuit ", improve desulfuration efficiency.
Technical scheme: the technical solution adopted for the present invention to solve the technical problems is in the below of ground floor spray column (being orlop) absorber paste redistribution device to be set.In the spray Tata wall of this spray column, each several part layout from top to bottom is exhanst gas outlet, demister, the 3rd layer of spraying layer, second layer spraying layer, ground floor spraying layer, absorber paste redistribution device, smoke inlet, slurries pond, and wherein absorber paste redistribution device is provided with in the medium dip of spray Tata wall.This device can be to collecting along the mobile absorbent slurry of spray column wall that nozzle sprays, and distribute again, simultaneously because the barrier effect of this device, force part along absorbing Tata wall flue gas vertically upward to the spray column center flow, increase the effective contact area of vapour-liquid, thereby improved desulfuration efficiency.Absorber paste redistribution device forms for having certain thickness plate and being made into annular and being fixed on the tower wall, one end closely contacts with the tower wall, prevent that absorbent slurry from flowing away from the gap between tower wall and the absorber paste redistribution device, the other end is unsettled, material fillings such as fiberglass can be adopted in gap between liquid apparatus for redistributing and the spray Tata wall, to strengthen its rigidity.The installation site of absorber paste redistribution device should be positioned at the slurries track of end nozzle of orlop spraying layer and the lower end of absorption tower wall intersection.Absorber paste redistribution device and Ta Bi are certain angle of inclination, be generally 35-65 °, make absorbent slurry free skating syneresis liquid apparatus for redistributing with the effect that utilizes gravity, for preventing that slurries are by the sticking wall that falls on the apparatus for redistributing once more, the device upper surface is made corrugation shape, its height to width ratio is with 1: 1-2: be good about 1, Qi Wafeng is called every the stream weir, and watt paddy is called thin stock tank.The width of absorber paste redistribution device at least should be greater than the spray zone of orlop spraying layer end nozzle impact tower wall, but also unsuitable excessive, increase to prevent pressure drop, and be good generally with 60-120mm.Absorber paste redistribution device can adopt polypropylene, and fiberglass, alloy or other can tolerate that spray column inner absorbent slurries wash away and the material of etching condition is made.
Beneficial effect: absorbent is made full use of, and the collection wall flows and absorbent slurry is distributed again, effectively increases the vapour-liquid contact area, prevents gas " short circuit ", improves desulfuration efficiency, cuts down the consumption of energy.
Description of drawings
Fig. 1 is an overall structural arrangement schematic diagram of the present invention.
Fig. 2 is absorber paste redistribution device 5 partial enlarged drawings among Fig. 1.
Fig. 3 is the structure diagram of absorber paste redistribution device 5 among Fig. 1 and Fig. 2.
Have among the above figure: smoke inlet 1, exhanst gas outlet 2, slurries pond 3, spray Tata wall 4, the tower wall supports 41, absorber paste redistribution device 5, dredge stock tank 51, every stream weir 52, fixture 53, ground floor spraying layer 6, end nozzle 61, absorbent slurry 62, second layer spraying layer 7, the 3rd layer of spraying layer 8, demister 9.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and example.
Example of the present invention such as Fig. 1, spray column with absorber paste redistribution device is by smoke inlet 1, exhanst gas outlet 2, slurries pond 3, spray Tata wall 4, absorber paste redistribution device 5, ground floor spraying layer 6, second layer spraying layer 7, the 3rd layer of spraying layer 8, demister 9 is formed, and flue gas and absorbent slurry 62 carry out the gas-liquid mass transfer exchange in the cylindrical region that spray Tata wall 4 surrounds, and flue gas and absorbent slurry 62 are adverse current.For gas-liquid is fully contacted, several spraying layers are set usually (as example in spray column, this explanation three layers of spraying layer that only draw are ground floor spraying layer 6, second layer spraying layer 7, the 3rd layer of spraying layer 8, also can be in practice greater or less than three layers of spraying layer), each spraying layer is provided with several nozzles again.Because flue gas is the inhomogeneities of VELOCITY DISTRIBUTION everywhere in the spray column cross section, have usually greatly that absorbent slurry 62 contact with flue gas and flows downward along spraying the Tata wall, thereby caused gas " short circuit ", reduced desulfuration efficiency.The present invention is provided with absorber paste redistribution device 5 below ground floor spraying layer 6, this device can be to collecting along the mobile absorbent slurry of spray column wall that nozzle sprays, and distribute again, simultaneously because the barrier effect of absorber paste redistribution device 5, force part along spraying Tata wall 4 flue gas vertically upward to the spray column center flow, increase the effective contact area of vapour-liquid, thereby improved desulfuration efficiency.Absorber paste redistribution device 5 every certain interval be provided with certain width every stream weir 52, be 1 every the width ratio of stream weir 52 and thin stock tank 51: 3-1: 5, the height to width ratio every stream weir 52 is 1: 1-2: 1.Absorber paste redistribution device 5 employings have certain thickness plate and are made into annular, fixedly form by fixture 53 and the tower wall support 41 that sprays on the Tata wall 4, one end closely contacts with spray Tata wall 4, prevent that absorbent slurry from flowing away from the gap between tower wall and the absorber paste redistribution device, the other end is unsettled, material fillings such as fiberglass can be adopted in gap between absorber paste redistribution device 5 and the spray Tata wall 4, to strengthen its rigidity.The installation site of absorber paste redistribution device 5 should be positioned at absorbent slurry 62 tracks of end nozzle 61 of ground floor spraying layer 6 and the lower end of absorption tower wall 4 intersections.Absorber paste redistribution device 5 is certain angle of inclination with spray Tata wall 4, be generally 35-65 °, make absorbent slurry 62 free skating syneresis liquid apparatus for redistributing 5 with the effect that utilizes gravity, prevent that absorbent slurry 62 from assembling on absorber paste redistribution device 5.The width of absorber paste redistribution device 5 at least should be greater than the spray zone of orlop spraying layer end nozzle impact tower wall, but also unsuitable excessive, increase to prevent pressure drop, and be good generally with 60-120mm.Absorber paste redistribution device 5 can adopt polypropylene, and fiberglass, alloy or other can tolerate that spray column inner absorbent slurries wash away and the material of etching condition is made.
Claims (5)
1, a kind of spray column with absorber paste redistribution device, it is characterized in that in the spray Tata wall (4) of this spray column, each several part layout from top to bottom is exhanst gas outlet (2), demister (9), the 3rd layer of spraying layer (8), second layer spraying layer (7), ground floor spraying layer (6), absorber paste redistribution device (5), smoke inlet (1), slurries pond (3), and wherein absorber paste redistribution device (5) is in the medium dip setting of spray Tata wall (4).
2, the spray column with absorber paste redistribution device according to claim 1 is characterized in that the absorber paste redistribution device (5) and the inclination angle of spray Tata wall (4) bottom are 35-65 °.
3, the spray column with absorber paste redistribution device according to claim 1, it is characterized in that absorber paste redistribution device 5 is arranged on the below of ground floor spraying layer 6 end nozzle 61, width at least should be greater than the spray overlay area of orlop spraying layer 6 end nozzle 1.
4, the spray column with absorber paste redistribution device according to claim 1, the surface that it is characterized in that absorber paste redistribution device (5) is a corrugation shape, the bottom is for dredging stock tank (51), ledge is every stream weir (52), be provided with fixture (53) at its lower surface, width ratio every stream weir (52) and thin stock tank (51) is 1: 3-1: 5, and the height to width ratio every stream weir (52) is 1: 1-2: 1.
5,, it is characterized in that absorber paste redistribution device (5) adopts polypropylene or fiberglass or alloy or other can tolerate that spray column inner absorbent slurries wash away and the material of etching condition is made according to claim 1 or 2 or 3 or 4 described spray columns with absorber paste redistribution device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100957428A CN1319629C (en) | 2005-11-21 | 2005-11-21 | Spray tower having absorber paste redistribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100957428A CN1319629C (en) | 2005-11-21 | 2005-11-21 | Spray tower having absorber paste redistribution device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1785482A true CN1785482A (en) | 2006-06-14 |
| CN1319629C CN1319629C (en) | 2007-06-06 |
Family
ID=36783146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100957428A Expired - Fee Related CN1319629C (en) | 2005-11-21 | 2005-11-21 | Spray tower having absorber paste redistribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1319629C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101855004B (en) * | 2007-12-29 | 2012-10-10 | 北京博奇电力科技有限公司 | Spray column for fuel gas treatment and gas collecting collar used in the spray column |
| CN112206637A (en) * | 2020-09-01 | 2021-01-12 | 西安航天源动力工程有限公司 | Industrial flue gas washing tower |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0356120A (en) * | 1989-07-25 | 1991-03-11 | Babcock Hitachi Kk | Absorption tower for wet exhaust gas desulfurization apparatus |
| CN1158752A (en) * | 1996-03-06 | 1997-09-10 | 王战平 | Multifunctional smoke purifier |
| KR100463004B1 (en) * | 1997-03-20 | 2005-06-02 | 주식회사 팬택앤큐리텔 | Method for encoding mpeg-4 vop |
| JPH1147538A (en) * | 1997-08-01 | 1999-02-23 | Babcock Hitachi Kk | Absorption tower |
| DE19937902A1 (en) * | 1999-08-11 | 2001-02-22 | Rag Ag | Removing benzene, naphthalene and water from coke oven gas comprises scrubbing in counter-current stream using absorbent consisting of triethylene glycol at head of absorber column |
| CN2564237Y (en) * | 2002-01-16 | 2003-08-06 | 陕西省电力公司 | Intensified wet-limestone smoke desulfurizing spray tower |
| JP3842706B2 (en) * | 2002-08-20 | 2006-11-08 | バブコック日立株式会社 | Wet flue gas desulfurization apparatus and method |
| CN2834676Y (en) * | 2005-11-21 | 2006-11-08 | 孙克勤 | Spray tower having absorbent slurry redistribution device |
-
2005
- 2005-11-21 CN CNB2005100957428A patent/CN1319629C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101855004B (en) * | 2007-12-29 | 2012-10-10 | 北京博奇电力科技有限公司 | Spray column for fuel gas treatment and gas collecting collar used in the spray column |
| CN112206637A (en) * | 2020-09-01 | 2021-01-12 | 西安航天源动力工程有限公司 | Industrial flue gas washing tower |
| CN112206637B (en) * | 2020-09-01 | 2022-12-06 | 西安航天源动力工程有限公司 | Industrial flue gas washing tower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1319629C (en) | 2007-06-06 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070606 |
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