CN205760481U - Wet desulphurization absorption tower flue gas flow equalizing partitioning device - Google Patents
Wet desulphurization absorption tower flue gas flow equalizing partitioning device Download PDFInfo
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- CN205760481U CN205760481U CN201620379901.0U CN201620379901U CN205760481U CN 205760481 U CN205760481 U CN 205760481U CN 201620379901 U CN201620379901 U CN 201620379901U CN 205760481 U CN205760481 U CN 205760481U
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- Prior art keywords
- absorption tower
- homogenizing plate
- oxidator
- flue gas
- gas flow
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 95
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000003546 flue gas Substances 0.000 title claims abstract description 28
- 238000000638 solvent extraction Methods 0.000 title claims abstract description 15
- 230000003647 oxidation Effects 0.000 claims abstract description 18
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000006701 autoxidation reaction Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 238000006477 desulfuration reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
This utility model relates to horizontal wet desulphurization absorption tower flue gas flow equalizing partitioning device, including homogenizing plate, collecting tank, oxidator, collector tube, communicating pipe and return duct；Described homogenizing plate is arranged between the absorption tower spraying layer on absorption tower entrance and its top, and homogenizing plate is horizontal by certain angle；Collecting tank connects sump bottom in homogenizing plate bottom position, collector tube one end, and one end connects oxidator top；Communicating pipe, one end connected oxidator top, and one end connects homogenizing plate top；Return duct one end connects bottom oxidator, recycle slurry liquid pool top, connection absorption tower, one end；Below the serosity liquid level that oxidation air pipe autoxidation device top is inserted in oxidator, end is connected to an oxidation air with some smaller branch pipe and distributes on pipe.The beneficial effects of the utility model are: both can improve flue gas flow field distribution in absorption tower, by pH value, absorption tower serosity can have been carried out zonal control again, be effectively improved oxidation efficiency and absorption efficiency, improve the performance of whole desulphurization system.
Description
Technical field
This utility model patent relates to flue gas flow equalizing partitioning device, particularly relates to wet desulphurization absorption tower flue gas flow equalizing partitioning device.
Background technology
The most most wet desulphurization absorption towers use hollow-spraying-tower structure, research and analyse flue gas flow field in tower, find
Flue gas flow field distributing homogeneity between absorption tower entrance and ground floor spraying layer is very poor.Gas approach top, absorption tower with on
Between portion's ground floor spraying layer in arbitrary cross section, the flue gas flow rate away from smoke absorption tower porch is relatively big, and enters near absorption tower
Flue gas flow rate at Kou is relatively low.Poor flue gas flow field uniformity has a strong impact on contacting and mass transfer effect between flue gas with spray liquid,
Cause absorption tower desulfuration efficiency low.Need to improve serum recycle amount to strengthen liquid-gas ratio, the most significantly to improve desulfuration efficiency
Add desulphurization system energy consumption.
Utility model content
The purpose of this utility model is to overcome prior art not enough, it is provided that a kind of rational in infrastructure, is effectively improved oxidation efficiency and absorption
Efficiency, strengthens the wet desulphurization absorption tower flue gas flow equalizing partitioning device of whole desulphurization system performance.
For achieving the above object, this utility model have employed techniques below scheme:
This horizontal wet desulphurization absorption tower flue gas flow equalizing partitioning device, including homogenizing plate, collecting tank, oxidator, collector tube,
Communicating pipe and return duct；Described homogenizing plate is arranged between the absorption tower spraying layer on absorption tower entrance and its top, homogenizing plate and water
Plane is at an angle；Collecting tank connects sump bottom in homogenizing plate bottom position, collector tube one end, and one end connects oxidator
Top；Communicating pipe, one end connected oxidator top, and one end connects homogenizing plate top；Return duct one end connects bottom oxidator, and one
End connects recycle slurry liquid pool top, absorption tower；Below the serosity liquid level that oxidation air pipe autoxidation device top is inserted in oxidator,
End is connected to an oxidation air with some smaller branch pipe and distributes on pipe；Desulfurizer slurry is by being injected into absorption tower outside absorption tower
In serosity, deposit, in side, absorption tower equipped with agitator for serosity in preventing absorption tower.
As preferably: described homogenizing plate is in tilted layout between the absorption tower spraying layer on absorption tower entrance and its top, plate middle region
Territory uniformly has the perforate that size is identical, is welded with an airway in each perforate, and airway direction is vertically upward, its
Top end face level.
As preferably: described homogenizing plate is oval, its angle with horizontal plane in absorption tower is 5～20 °, is just arranged on
Direction to absorption tower gas approach mouth, it is high near side, porch, absorption tower, low away from side, porch, absorption tower.
As preferably: on described homogenizing plate, the nominal internal diameter size of perforate is 30～60mm.
As preferably: not perforate in the range of the annulus that the opening area border of described perforate and homogenizing plate outward flange are formed, this circle
The width range of ring is 200mm～500mm.
As preferably: the material of described homogenizing plate and airway thereof is acid corrosion-resistant steel alloy.
As preferably: the material of described collecting tank, collector tube, communicating pipe, return duct and oxidator is carbon steel inside lining anti-corrosive material.
The beneficial effects of the utility model are:
Theoretical and the experimental study according to desulfurization, in high pH environment, the absorption efficiency of sulfur dioxide is high, and in low high pH environment,
The oxidation efficiency of sulphite is high.This device passes through homogenizing plate, and the serosity in absorption tower is divided into high pH district and two, low pH district
Point.The serosity in high pH district is transported to spraying layer by circulating pump, direct and smoke contacts, efficient absorption sulfur dioxide；Oxygen
The low high pH serosity changed in device reacts with oxidation air, efficiently transfers unstable sulphite to stable sulfate by-products.
The central area of the perforate distribution of homogenizing plate, makes the flue gas in absorption tower gather to tower center, decreases from absorption tower periphery
The exhaust gas volumn escaped, thus add bulk devulcanization efficiency.Flue gas is behind the region of homogenizing plate perforate, in each perforate inducing QI
Under the guide functions of pipe, in absorption tower, the flue gas flow field uniformity improves, and improve spraying layer serosity and flue gas contacts effect, carries
High mass transfer effect, thus improve desulfuration efficiency.The homogenizing plate being in tilted layout is equipped with airway, and (short height scope is general
It is 50～150mm, determines with specific reference to homogenizing plate sizing liquor layer height), enable the low pH serosity after sulfur dioxide absorption certainly
Stream enters oxidator, it is achieved thereby that the zonal control of the high and low pH of desulphurization system.
This device both can improve flue gas flow field distribution in absorption tower, by pH value, absorption tower serosity can be carried out zonal control again,
It is effectively improved oxidation efficiency and absorption efficiency, improves the performance of whole desulphurization system.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure schematic diagram；
Fig. 2 is homogenizing plate plane graph；
Fig. 3 is homogenizing plate elevation；
Fig. 4 is homogenizing plate airway partial elevation view
Description of reference numerals: homogenizing plate 1, collecting tank 2, oxidator 3, collector tube 4, communicating pipe 5, return duct 6, oxidation sky
Trachea 7, oxidation air distribution pipe 8, agitator 9, airway 10, perforate 11, opening area 12, absorption tower loop slurry
Pond 13, absorption tower spraying layer 14, circulation slurry pump 15, absorption tower entrance 16.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described further.The explanation of following embodiment is only intended to help and understands this reality
With novel.It should be pointed out that, for those skilled in the art, in the premise without departing from this utility model principle
Under, it is also possible to this utility model is carried out some improvement and modification, and these improve and modification also falls into this utility model claim
Protection domain in.
As shown in Figures 1 to 4, this horizontal wet desulphurization absorption tower flue gas flow equalizing partitioning device, including homogenizing plate 1, liquid collecting
Groove 2, oxidator 3, collector tube 4, communicating pipe 5 and return duct 6；Described homogenizing plate 1 is arranged in absorption tower entrance and its top
Absorption tower spraying layer 14 between, homogenizing plate 1 is horizontal by certain angle；Collecting tank 2 is at homogenizing plate 1 bottom position, collection
Liquid pipe 4 one end connects bottom collecting tank 2, and one end connects oxidator 3 top；Communicating pipe 5 one end connection oxidator 3 top,
One end connects homogenizing plate 1 top；Return duct 6 one end connects bottom oxidator 3, on connection absorption tower, one end recycle slurry liquid pool 13
Portion；Below the serosity liquid level that oxidation air pipe 7 autoxidation device top is inserted in oxidator 3, if end be connected to one with
On the oxidation air distribution pipe 8 of dry smaller branch pipe；Desulfurizer slurry is by being injected into outside absorption tower in the serosity of absorption tower, for preventing from absorbing
Serosity deposition in tower, in side, absorption tower equipped with agitator 9.
Described homogenizing plate 1 is in tilted layout between the absorption tower spraying layer on absorption tower entrance and its top, and plate central region is uniformly opened
Having the perforate 11 that size is identical, be welded with an airway 10 in each perforate 11, airway 10 direction is vertically upward,
Its top end face level.In the range of the annulus that opening area 12 border of described perforate 11 and homogenizing plate 1 outward flange are formed not
Perforate, the width range of this annulus is 200mm～500mm.The nominal internal diameter of perforate 11 on described homogenizing plate 1 is (in 2 times of holes
Area/hole girth) size is 30～60mm.Each perforate 11 can be uniformly distributed onboard, it is also possible to according to absorption tower flow field
Situation is arranged to non-uniform Distribution.The shape in hole can be equilateral triangle, square, regular polygon, circle etc..
Described homogenizing plate 1 is oval, and its angle with horizontal plane in absorption tower is 5～20 °, is arranged on just to absorption tower
The direction of gas approach mouth, it is high near side, porch, absorption tower, low away from side, porch, absorption tower.For small-sized absorption
Tower, homogenizing plate 1 is fixed by connectors such as bolts with absorption tower wallboard；For large-scale absorption tower, arrange below homogenizing plate 1
Support beam, prevents its flexural deformation.
The material of described homogenizing plate 1 and airway 10 thereof is acid corrosion-resistant steel alloy.Described collecting tank 2, collector tube 4, connection
The material of pipe 5, return duct 6 and oxidator 3 is carbon steel inside lining anti-corrosive material.
One corresponding layer absorption tower spraying layer 14 of circulation slurry pump 15.In absorption tower, according to desulfurization performance needs, can cloth
Put 3～6 circulation slurry pumps 15 and absorption tower spraying layer 14 thereof.During plant running, the circulation slurry pump 15 in absorption tower is defeated
Deliver to absorption tower, top spraying layer 14, spray downwards from each nozzle of absorption tower spraying layer 14, connect with flue gas in tower
Touch, absorb and react, generate the serosity containing sulphite.The serosity that absorption tower spraying layer 14 falls is received by following homogenizing plate 1
Collection, under gravity, gravity flow enters in the collecting tank 2 of homogenizing plate 1 one end, then enters oxidator by collector tube 4 gravity flow
In 3.Constantly it is passed through oxidation air in oxidator 3 so that it is the sulfite oxidation of middle serosity becomes stable sulfate, is formed
Row by-product can be discharged in addition after finite concentration to process.The company of being provided with between homogenizing plate 1 top in oxidator 3 top and absorption tower
Siphunculus 5, to ensure the pressure balance between oxidator 3 and absorption tower.It is provided with bottom oxidator 3 and between the serosity of absorption tower
Return duct 6, the serosity from the collector tube 4 of homogenizing plate 1 is back to the serosity of absorption tower from return duct 6, and return duct 6 is installed
There is regulation valve, dynamically to adjust the liquid level of slurry in oxidator 3 and absorption tower and water balance.
For limestone-gypsum wet desulfuration system, the serosity pH scope in control absorption tower, between 6～7, controls oxidation
Serosity pH scope in device 3 is between 4.5～5.5.
Claims (7)
1. wet desulphurization absorption tower flue gas flow equalizing partitioning device, it is characterised in that: include homogenizing plate (1), collecting tank (2), oxidator (3), collector tube (4), communicating pipe (5) and return duct (6)；Described homogenizing plate (1) is arranged between the absorption tower spraying layer (14) on absorption tower entrance and its top, and homogenizing plate (1) is horizontal by certain angle；Collecting tank (2) is at homogenizing plate (1) bottom position, and collector tube (4) one end connects collecting tank (2) bottom, and one end connects oxidator (3) top；Communicating pipe (5) one end connects oxidator (3) top, and one end connects homogenizing plate (1) top；Return duct (6) one end connects oxidator (3) bottom, recycle slurry liquid pool (13) top, connection absorption tower, one end；Oxidation air pipe (7) autoxidation device top is inserted into below the serosity liquid level in oxidator (3), and end is connected to an oxidation air with some smaller branch pipe and distributes on pipe (8)；Desulfurizer slurry, by being injected into outside absorption tower in the serosity of absorption tower, deposits, in side, absorption tower equipped with agitator (9) for serosity in preventing absorption tower.
Wet desulphurization absorption tower flue gas flow equalizing partitioning device the most according to claim 1, it is characterized in that: described homogenizing plate (1) is in tilted layout between the absorption tower spraying layer on absorption tower entrance and its top, plate central region uniformly has the identical perforate of size (11), each perforate (11) is welded with an airway (10), airway (10) direction is vertically upward, its top end face level.
Wet desulphurization absorption tower flue gas flow equalizing partitioning device the most according to claim 1, it is characterized in that: described homogenizing plate (1) is ellipse, its angle with horizontal plane in absorption tower is 5～20 °, it is arranged on the direction just to absorption tower gas approach mouth, it is high near side, porch, absorption tower, low away from side, porch, absorption tower.
Wet desulphurization absorption tower flue gas flow equalizing partitioning device the most according to claim 1, it is characterised in that: the nominal internal diameter size of the upper perforate (11) of described homogenizing plate (1) is 30～60mm.
Wet desulphurization absorption tower flue gas flow equalizing partitioning device the most according to claim 4, it is characterized in that: not perforate in the range of the annulus that opening area (12) border of described perforate (11) and homogenizing plate (1) outward flange are formed, the width range of this annulus is 200mm～500mm.
Wet desulphurization absorption tower flue gas flow equalizing partitioning device the most according to claim 1, it is characterised in that: the material of described homogenizing plate (1) and airway (10) thereof is acid corrosion-resistant steel alloy.
Wet desulphurization absorption tower flue gas flow equalizing partitioning device the most according to claim 1, it is characterised in that: the material of described collecting tank (2), collector tube (4), communicating pipe (5), return duct (6) and oxidator (3) is carbon steel inside lining anti-corrosive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620379901.0U CN205760481U (en) | 2016-04-28 | 2016-04-28 | Wet desulphurization absorption tower flue gas flow equalizing partitioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620379901.0U CN205760481U (en) | 2016-04-28 | 2016-04-28 | Wet desulphurization absorption tower flue gas flow equalizing partitioning device |
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| Publication Number | Publication Date |
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| CN205760481U true CN205760481U (en) | 2016-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432543A (en) * | 2020-11-20 | 2021-03-02 | 无锡锡州机械有限公司 | Flue gas distributor |
-
2016
- 2016-04-28 CN CN201620379901.0U patent/CN205760481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432543A (en) * | 2020-11-20 | 2021-03-02 | 无锡锡州机械有限公司 | Flue gas distributor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 310012 Huaxing Road No. 99 (Hangzhou Neusoft business building) Patentee after: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310012 Huaxing Road No. 99 (Hangzhou Neusoft business building) Patentee before: ZHEJIANG TIANDI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.99, Huaxing Road, Hangzhou City, Zhejiang Province (Hangzhou Neusoft venture building) Patentee after: Zhejiang Zheneng Technology Environmental Protection Group Co.,Ltd. Country or region after: China Address before: No.99, Huaxing Road, Hangzhou City, Zhejiang Province (Hangzhou Neusoft venture building) Patentee before: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Country or region before: China |