CN105148712B - A kind of classification Absorption Desulfurization device of ammoniacal ammonium sulphate method - Google Patents
A kind of classification Absorption Desulfurization device of ammoniacal ammonium sulphate method Download PDFInfo
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- CN105148712B CN105148712B CN201510652408.1A CN201510652408A CN105148712B CN 105148712 B CN105148712 B CN 105148712B CN 201510652408 A CN201510652408 A CN 201510652408A CN 105148712 B CN105148712 B CN 105148712B
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 34
- 230000023556 desulfurization Effects 0.000 title claims abstract description 31
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052921 ammonium sulfate Inorganic materials 0.000 title claims abstract description 26
- 235000011130 ammonium sulphate Nutrition 0.000 title claims abstract description 26
- 239000001166 ammonium sulphate Substances 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 claims abstract description 247
- 239000002002 slurry Substances 0.000 claims abstract description 197
- 238000010257 thawing Methods 0.000 claims abstract description 80
- 238000005507 spraying Methods 0.000 claims abstract description 51
- 239000006096 absorbing agent Substances 0.000 claims abstract description 44
- 239000003546 flue gas Substances 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003517 fume Substances 0.000 claims abstract description 28
- 238000005406 washing Methods 0.000 claims abstract description 28
- 238000011010 flushing procedure Methods 0.000 claims abstract description 21
- 230000003647 oxidation Effects 0.000 claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 17
- 239000012716 precipitator Substances 0.000 claims abstract description 16
- 239000003595 mist Substances 0.000 claims abstract description 10
- OXSWKJLAKXNIFG-UHFFFAOYSA-N azane sulfuric acid Chemical compound N.N.N.OS(O)(=O)=O OXSWKJLAKXNIFG-UHFFFAOYSA-N 0.000 claims description 24
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 18
- 230000009469 supplementation Effects 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 14
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 12
- 238000012856 packing Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000000737 periodic effect Effects 0.000 claims description 8
- 238000004094 preconcentration Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 23
- 239000000443 aerosol Substances 0.000 abstract description 13
- 229910021529 ammonia Inorganic materials 0.000 abstract description 11
- 238000004176 ammonification Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000011218 segmentation Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 230000003009 desulfurizing effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
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- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- 206010019133 Hangover Diseases 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
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- 230000003628 erosive effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
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- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000036186 satiety Effects 0.000 description 1
- 235000019627 satiety Nutrition 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of classification Absorption Desulfurization device of ammoniacal ammonium sulphate method, including fume desulfurating absorption tower, absorbing liquid circulating slot, dilute slurry circulating slot and wet electrical dust precipitator；Include concentrated slurry circulating slot, concentration pre-absorption section, absorber portion, dilute slurry washing section and demisting section from bottom to top in fume desulfurating absorption tower；Concentration pre-absorption section includes at least one layer of concentrated slurry spraying layer, absorber portion includes absorbing liquid vortex-flow and defrosting liquid trap and at least one layer of absorbing liquid spraying layer, dilute slurry washing section includes dilute slurry vortex-flow and defrosting liquid trap and dilute slurry spraying layer, and demisting section includes demister and mist eliminator flushing spraying layer.The present invention completes the processes such as flue gas cooling, the absorption of classification demisting, staged oxidation on absorption tower, ammonia utilization rate is improved by adjusting ammonification point position, although solve traditional desulfuration absorbing tower segmentation but each section of slurries carry seriously, cause the problem of each section of concentration of slurry control is undesirable, and the aerosol load of neat stress aerosol is too high.
Description
Technical field
The present invention relates to a kind of desulfurizer, and in particular to a kind of classification Absorption Desulfurization device of ammonia ammonium sulphate process, is one
Flue gas desulfurization device of the kind suitable for ammonia ammonium sulphate process.
Background technology
Ammonia ammonium sulphate process flue gas desulfurization technique, as a kind of sulfur removal technology of main flow, effectively solves in chemical industry
The process problem of enterprises deposed ammonia (concentration is 5% or so), to produce ammonium sulfate, realize " treatment of wastes with processes of wastes against one another, comprehensive profit
With ".
There is following weak point in engineering is applied for existing ammonia ammonium sulphate process desulfurization technology：
1) ammonia utilization rate is not high, and the escaping of ammonia is higher.
The ammonia ammonium sulphate process desulfurizer ammonia consumption run at present is generally 1.05~1.15 times of theoretical calculation or so,
The coal (year run time 8000 hours) that 1% sulfur content is used with 240t/h boiler considers, then in annual desulfurizer
Desulfurizing agent (ammoniacal liquor) dosage is higher than the increased operation cost of theoretical value institute just up to 700,000 yuan or so；While desulfurizing agent (ammoniacal liquor)
Excessively add the generation for adding aerosol.
2) flue gas aerosol content is high, and plume hangover is serious.
Vapor is mostly saturation state in desulfurizing tower exiting flue gas in ammonia ammonium sulphate process sulfur removal technology, and is carried simultaneously
The droplet of the aerosol level particle diameter containing desulfurization absorbent etc..After desulfurization neat stress by smoke stack emission into Atmospheric processes when, due to temperature
Degree reduces, and supersaturation water steam condenses in Aerosol Surface in flue gas, due to Action of Gravity Field, is formed " sulphur ammonium rain ", and plume drags
Tail prolongs several kilometers of silk floss, forms serious visual pollution.
The content of the invention
The invention aims to solve the above problems, there is provided one kind improves absorbent utilization ratio, effectively reduces de-
The classification Absorption Desulfurization device of aerosol discharge in sulphur flue gas.
Scheme is used by the present invention solves its technical problem：
A kind of classification Absorption Desulfurization device of ammonia ammonium sulphate process, including fume desulfurating absorption tower 1, absorbing liquid circulating slot 2,
Dilute slurry circulating slot 3 and wet electrical dust precipitator 20；Include concentrated slurry circulation from bottom to top in the fume desulfurating absorption tower 1
Groove 4, concentration pre-absorption section, absorber portion, dilute slurry washing section and demisting section；The concentrated slurry circulating slot 4 is arranged on flue gas and taken off
The bottom of sulphur absorption tower 1, as a part for desulfuration absorbing tower, the concentration pre-absorption section sprays including at least one layer of concentrated slurry
Layer 12, the absorber portion include absorbing liquid vortex-flow and defrosting liquid trap 13 and at least one layer of absorbing liquid spraying layer 14 from bottom to top,
The dilute slurry washing section includes dilute slurry vortex-flow and defrosting liquid trap 15 and dilute slurry spraying layer 17 from bottom to top, the demisting
Section includes demister 18 and mist eliminator flushing spraying layer 19 from below to up；At the top of fume desulfurating absorption tower 1, wet type electricity is set
Deduster 20 makes flue gas enter wet electrical dust precipitator 20 through the top exhanst gas outlet of fume desulfurating absorption tower 1；In the concentrated slurry
The bottom of circulating slot 4 is provided with absorption tower oxidation air distributor pipe 10 and jet mixing distributor pipe 9, and (ammoniacal liquor is distributed by jet mixing
Distributor pipe is completed), concentrated slurry circulating slot 4 exports concentrated slurry circulating pump 5, concentrated slurry circulation pipe 24 and concentration pre-absorption
Concentrated slurry spraying layer 12 in section is connected；Flue entrance 11, pre-concentration absorber portion are provided with the concentration pre-absorption section
It is connected with inlet air stack by flue entrance 11, the flue entrance 11 is located at the lower section of concentrated slurry spraying layer 12；The suction
Receive liquid circulating slot 2 through absorbing liquid circulating pump 6, absorbing liquid circulation pipe 27 with the absorbing liquid spraying layer 14 to be connected, the absorption
Liquid vortex-flow and defrosting liquid trap 13 is connected through absorbing liquid return duct 26 with absorbing liquid circulating slot 2, falls after absorbing liquid circulated sprinkling
On absorbing liquid vortex-flow and defrosting liquid trap 13, the liquid trap leakage fluid dram flow by gravity of the bottom of self-absorption liquid vortex-flow and defrosting liquid trap 13 returns
Absorbing liquid circulating slot 2；The bottom of absorbing liquid circulating slot 2 is provided with absorbing liquid backflow distributor pipe 21 and the oxidation of absorbing liquid circulating slot
Air distribution pipe 22；The dilute slurry circulating slot 3 sprays through dilute slurry circulating pump 7, dilute slurry circulation pipe 29 and the dilute slurry
Layer 17 is connected, and the dilute slurry vortex-flow and defrosting liquid trap 15 is connected through dilute slurry return duct 28 with dilute slurry circulating slot 3, dilute
Fall after serum recycle spray through washing section packing layer 16 on dilute slurry vortex-flow and defrosting liquid trap 15, from dilute slurry vortex-flow and defrosting collection
The liquid trap leakage fluid dram flow by gravity of the bottom of liquid device 15 returns dilute slurry circulating slot 3.
Preferably, the concentration pre-absorption section sets 1~2 layer of concentrated slurry spraying layer 12, and the absorber portion sets 3~4
Layer absorbing liquid spraying layer 14, the dilute slurry washing section sets 1 layer of dilute slurry spraying layer 17.
Preferably, the absorption tower oxidation air distributor pipe 10 is arranged on the top of jet mixing distributor pipe 9, to reduce ammonia
Gas phase carries；Concentrated slurry jet-loop pipe 30 of the top of concentrated slurry circulating slot 4 through outside and jet mixing distributor pipe 9
It is connected；Jet-loop pump 8 is provided with the concentrated slurry jet-loop pipe 30；The concentrated slurry jet-loop pipe 30
It is connected in the porch of jet-loop pump 8 with weak aqua ammonia supply pipe, weak aqua ammonia is being concentrated by the effect of jet-loop pump 8
Entered after being well mixed in slurries jet-loop pipe 30 by jet mixing distributor pipe 9 in concentrated slurry circulating slot 4.
As further preferred, in the concentrated slurry circulating pump 5, absorbing liquid circulating pump 6, dilute slurry circulating pump 7, jet
The porch pipeline of circulating pump 8 is mounted on filter.
Preferably, the absorbing liquid circulating slot oxidation air distributor pipe 22 is arranged on the top of absorbing liquid backflow distributor pipe 21,
To reduce the carrying of the gas phase of ammonia；The absorbing liquid backflow distributor pipe 21 is connected with absorbing liquid return duct 26.The absorbing liquid is returned
Flow tube 26 is connected with weak aqua ammonia supply pipe.
Preferably, the concentrated slurry circulation pipe 24 is provided with ammonium sulfate in the outlet of concentrated slurry circulating pump 5 and post-processed
Device branch pipe 25, when the concentrated slurry in concentrated slurry circulating slot 4 reaches the density and concentration of setting, locate after squeezing into ammonium sulfate
Manage device centrifugal drying.
Preferably, the concentration pre-absorption section is provided with concentration pre-absorption section liquid supplementation pipe 33, and the concentration pre-absorption section is mended
The concentration pre-absorption section backwash layer that liquid pipe 33 connects absorbing liquid circulation pipe 27 and is arranged in concentration pre-absorption section, periodic flushing
Absorbing liquid vortex-flow and defrosting liquid trap 13；The absorber portion is provided with absorber portion liquid supplementation pipe 32, and the absorber portion liquid supplementation pipe 32 connects
Dilute slurry circulation pipe 29 and the absorber portion backwash layer being arranged in absorber portion, periodic flushing dilute slurry vortex-flow and defrosting liquid trap
15。
Preferably, the absorbing liquid vortex-flow and defrosting liquid trap 13 and dilute slurry vortex-flow and defrosting liquid trap 15 are vortex-flow and defrosting
Liquid trap, the vortex-flow and defrosting liquid trap include vortex-flow and defrosting liquid trap bottom plate 41, multiple liters of inflators 37, eddy flow 34, sieve plate
35th, demisting baffle plate 36, descending liquid support tube 40, catch tray 39, liquid-leaking nozzle 38 and liquid trap leakage fluid dram 42；The vortex-flow and defrosting liquid collecting
Device bottom plate 41 be provided with liquid trap leakage fluid dram 42 be used for and absorbing liquid return duct 26 or dilute slurry return duct 28 connect；Described liter of gas
37 bottoms of cylinder are fixed on vortex-flow and defrosting liquid trap bottom plate 41, and it is in being staggered for corresponding room that adjacent two row, which rise inflator 37,；
Described liter of inflator 37 is internally provided with eddy flow 34, and eddy flow 34 is fixed on the inwall of liter inflator 37 through the sieve plate 35,
The described liter of top of inflator 37 is provided with the demisting baffle plate 36 of annular, is evenly distributed with descending liquid support tube 40 on the top of liter inflator 37 and uses
In support catch tray 39, liquid-leaking nozzle 38 is provided centrally with the catch tray 39.The sieve plate 35 includes annular bottom plate and cylinder
Shape riser, the lower end of cylindric riser and one end of annular bottom plate, which are fixedly connected, makes the vertical section of sieve plate 35 L-shaped, bottom plate it is another
One end is fixed on the inwall of liter inflator 37, and the upper end of riser is used to fix eddy flow 34, and aperture is evenly arranged with the bottom plate.
As further preferred, the elevation angle of eddy flow is 20~30 degree.Practical operation is absorbed according to flue gas desulfurization, can
To adjust the angle at the sub- elevation angle of eddy flow in absorbing liquid vortex-flow and defrosting liquid trap 13 and dilute slurry vortex-flow and defrosting liquid trap 15.
Preferably, the classification Absorption Desulfurization device of ammonia ammonium sulphate process of the present invention sets 1-2 layers demister 18；The demisting
Device 18 can use deflection plate demister that ridge type demister also can be selected.The mist eliminator flushing spraying layer 18 and technique water pipe 31
It is connected, provides process water to the periodic flushing of demister 18 by technique water pipe 31, ensure that the passage of demister 18 does not block, rinse spray
Leaching liquid is fallen on dilute slurry vortex-flow and defrosting liquid trap 15, then from dilute slurry circulating slot 3 is flowed back to as dilute slurry spray moisturizing.
Preferably, washing section packing layer 16 is provided with the fume desulfurating absorption tower 1, the washing section packing layer 16 is set
Put between dilute slurry vortex-flow and defrosting liquid trap 15 and dilute slurry spraying layer 17.
Preferably, overtemperature spraying layer is set in the gas approach 11.
As another preferred scheme of the present invention, the wet electrical dust precipitator 20 can be arranged on fume desulfurating absorption tower 1
Side, the top exhanst gas outlet of fume desulfurating absorption tower 1 are connected through flue with wet electrical dust precipitator 20.
Beneficial effects of the present invention：
The multiple functional sections of classification Absorption Desulfurization device of ammonia ammonium sulphate process of the present invention, including concentration pre-absorption section, absorption
Section, dilute slurry washing section and demisting section, it is pre- for concentration between concentrated slurry circulating slot top and absorbing liquid vortex-flow and defrosting liquid trap
Absorber portion；It is absorber portion between absorbing liquid vortex-flow and defrosting liquid trap and dilute slurry vortex-flow and defrosting liquid trap；Dilute slurry vortex-flow and defrosting
It is dilute slurry washing section between liquid trap and demister；It is demisting section between demister and wet electrical dust precipitator.The present invention is one
The processes such as flue gas cooling, the absorption of classification demisting, staged oxidation are completed on individual absorption tower, although solving traditional desulfuration absorbing tower segmentation
But each section of slurries carry seriously, each section of concentration of slurry is caused to control undesirable, the aerosol load of neat stress aerosol is too high
Problem, while preferably improve ammonia utilization rate by adjusting ammonification point position.Ammonia utilization rate is up to more than 99%.
Mainly have the advantages that：
1) concentrated slurry circulating slot sets oxidation air distributor pipe, effectively increases the satiety of ammonium sulfate after-treatment device
With the oxidation efficiency of ammonium sulfate slurries；The distribution of concentrated slurry circulating slot ammoniacal liquor realizes that ammoniacal liquor is through penetrating by jet mixing distributor pipe
Flow circulating pump pressurization to project from the nozzle on jet mixing distributor pipe and with blending of falling liquid film in concentrated slurry circulating slot, compared to list
Ammoniacal liquor distributor pipe (ammoniacal liquor distributor pipe typically only sets distribution hole) is solely set, effectively increases distribution consistency degree and the mixing of ammoniacal liquor
Effect.
2) absorbing liquid circulating slot is generally arranged in tower by the ammonia process of desulfurization, is circulated by top swash plate and concentration pre-absorption section
Slurries are separated, and concentration cycles groove is arranged in tower by the present invention, is thoroughly solved when concentrated slurry excessive concentration at swash plate
The problem of buildup blocks, while the cancellation of swash plate and the decline of absorbing tower bottom liquid level effectively reduce the height of desulfurizing tower, drop
Low investment cost and energy consumption.
3) it facts have proved that the concentration of contained particulate matters in neat stress after desulfurization in the case where other conditions are consistent, connects with it
The concentration of last layer of tactile sprayed slurry sets vortex-flow and defrosting into positive correlation in absorber portion and dilute slurry washing section bottom
Liquid trap, realize concentrated slurry circulating slot, in absorbing liquid circulating slot and dilute slurry circulating slot slurries composition, concentration, soda acid
The differentiation control of degree and oxidizability, so as to which concentration of slurry control in dilute slurry circulating slot is de- with reduction within 1%~3%
After sulphur in neat stress contained particulate matters concentration；Upper strata leakage simultaneously is formed on eddy flow absorbs liquid film, to SO in flue gas2Have
Certain supplement absorption.
Brief description of the drawings
Fig. 1 is the structural representation of the classification Absorption Desulfurization device of ammonia ammonium sulphate process of the present invention；
Fig. 2 is the structural representation for being classified vortex-flow and defrosting liquid trap in Absorption Desulfurization device of ammonia ammonium sulphate process of the present invention；
Fig. 3 is the A-A of Fig. 2 vortex-flow and defrosting liquid traps to sectional view；
Fig. 4 is Fig. 3 B to figure；
In figure, 1-fume desulfurating absorption tower, 2-absorbing liquid circulating slot, 3-dilute slurry circulating slot, 4-concentrated slurry follows
Annular groove, 5-concentrated slurry circulating pump, 6-absorbing liquid circulating pump, 7-dilute slurry circulating pump, 8-jet-loop pump, 9-jet
Stir distributor pipe, 10-absorption tower oxidation air distributor pipe, 11-flue entrance, 12-concentrated slurry spraying layer, 13-absorption
Liquid vortex-flow and defrosting liquid trap, 14-absorbing liquid spraying layer, 15-dilute slurry vortex-flow and defrosting liquid trap, 16-washing section filler,
17-dilute slurry spraying layer, 18-demister, 19-mist eliminator flushing spraying layer, 20-wet electrical dust precipitator, 21-absorbing liquid
Flow back distributor pipe, 22-absorbing liquid circulating slot oxidation air distributor pipe, 23-weak aqua ammonia supply pipe, the circulation of 24-concentrated slurry
Pipe, 25-remove ammonium sulfate after-treatment device branch pipe, 26-absorbing liquid return duct, 27-absorbing liquid circulation pipe, 28-dilute slurry time
Flow tube, 29-dilute slurry circulation pipe, 30-concentrated slurry jet-loop pipe, 31-technique water pipe, 32-absorber portion liquid supplementation pipe,
33-concentration pre-absorption section liquid supplementation pipe；34-eddy flow, 35-sieve plate, 36-demisting baffle plate, 37-liter inflator, 38-leakage
Hole, 39-catch tray, 40-descending liquid support tube, 41-vortex-flow and defrosting liquid trap bottom plate, 42-liquid trap leakage fluid dram.
Embodiment
The present invention is described further below in conjunction with drawings and examples, but the description below does not form and the present invention is protected
Protect the limitation of scope.
As Figure 1-Figure 4, the classification Absorption Desulfurization device of a kind of ammonia ammonium sulphate process, including fume desulfurating absorption tower 1,
Absorbing liquid circulating slot 2, dilute slurry circulating slot 3 and wet electrical dust precipitator 20；Include from bottom to top in the fume desulfurating absorption tower 1
Concentrated slurry circulating slot 4, concentration pre-absorption section, absorber portion, dilute slurry washing section and demisting section.The concentration pre-absorption section bag
1~2 layer of concentrated slurry spraying layer 12 is included, the absorber portion includes absorbing liquid vortex-flow and defrosting liquid trap 13 and 3~4 from bottom to top
Layer absorbing liquid spraying layer 14, the dilute slurry washing section includes dilute slurry vortex-flow and defrosting liquid trap 15, washing section from bottom to top
Packing layer 16 and 1 layer of dilute slurry spraying layer 17, the demisting section include demister 18 and mist eliminator flushing spray from below to up
Layer 19；At the top of fume desulfurating absorption tower 1, wet electrical dust precipitator 20 is set.
Concentrated slurry circulating slot 4 is arranged on inside fume desulfurating absorption tower 1, as a part for fume desulfurating absorption tower 1,
The bottom of the concentrated slurry circulating slot 4 is provided with absorption tower oxidation air distributor pipe 10 and the (ammoniacal liquor of jet mixing distributor pipe 9
Distribution is completed by jet mixing distributor pipe 9), absorption tower oxidation air distributor pipe 10 is arranged on the top of jet mixing distributor pipe 9, with
The gas phase for reducing ammonia carries；The configured concentrated slurry outside fume desulfurating absorption tower 1 in the top of concentrated slurry circulating slot 4
Jet-loop pipe 30 is connected with jet mixing distributor pipe 9；Jet is provided with the concentrated slurry jet-loop pipe 30 to follow
Ring pump 8；The concentrated slurry jet-loop pipe 30 is connected in the porch of jet-loop pump 8 with weak aqua ammonia supply pipe, dilute ammonia
Water passes through jet mixing distributor pipe 9 by the effect of jet-loop pump 8 after being well mixed in concentrated slurry jet-loop pipe 30
Into in concentrated slurry circulating slot 4, the addition of weak aqua ammonia is determined by the pH of concentrated slurry, is concentrated in concentrated slurry circulating slot 4
The pH value of slurries is controlled between 5.0~5.5.The concentrated slurry circulating slot 4 exports concentrated slurry circulating pump 5, thickened pulp
Liquid circulation pipe 24 is connected with the concentrated slurry spraying layer 12 in concentration pre-absorption section；Cigarette is provided with the concentration pre-absorption section
Road entrance 11, pre-concentration absorber portion are connected with inlet air stack by flue entrance 11, and the flue entrance 11 is located at thickened pulp
The lower section of liquid spraying layer 12, former flue gas enter concentration pre-absorption section by gas approach 11；Every layer of concentrated slurry spraying layer 12 sprays
Coverage rate 150%~200%, concentrated slurry spraying layer 12 is made up of concentrated slurry distributor pipe, nozzle and support beam etc., is led to
Cross spray concentrated slurry and concentration pre-absorption is carried out to flue gas, absorb part SO2, the flue gas cool-down after concentrated pre-absorption, and lead to
Cross absorbing liquid vortex-flow and defrosting liquid trap 13 and enter absorber portion, the liquid containing ammonium sulfate drop that flue gas carries largely is blocked by eddy flow 34
Cut down and, fall into sieve plate 35 along the inwall of inflator 37 is risen, be back to concentrated slurry circulating slot 4, taken so as to reduce concentration pre-absorption section
Take the volume of ammonium sulfate of absorber portion to, realize the control of the concentration of absorber portion, pH value and oxidizability.
The absorbing liquid circulating slot 2 is through absorbing liquid circulating pump 6, absorbing liquid circulation pipe 27 and the phase of absorbing liquid spraying layer 14
Connection, 150%~200%, absorbing liquid spraying layer 14 is distributed the coverage rate that every layer of absorbing liquid spraying layer 14 sprays by absorbing liquid
The composition such as pipe, nozzle and support beam, wherein one layer is standby, to prevent from causing SO in flue gas due to the change of ature of coal2It is abnormal
Increase, the absorbing liquid vortex-flow and defrosting liquid trap 13 are connected through absorbing liquid return duct 26 with absorbing liquid circulating slot 2.Through absorber portion
The flue gas of processing continues to rise, and enters dilute slurry washing section by dilute slurry vortex-flow and defrosting liquid trap 15, what flue gas carried contains
Ammonium sulfate drop is most of to be intercepted by eddy flow 34, is fallen into sieve plate 35 along the inwall of inflator 37 is risen, is back to absorber portion, so as to
The volume of ammonium sulfate that dilute slurry washing section is carried to from absorber portion is reduced, realizes the concentration control of dilute slurry washing section；Absorbing liquid is followed
Partly directly fallen on vortex-flow and defrosting liquid trap bottom plate 41 after ring spray leaching, partly fall the collection in absorbing liquid vortex-flow and defrosting liquid trap 13
By on descending liquid support tube 40 to vortex-flow and defrosting liquid trap bottom plate 41 after on liquid disk 39, eventually through the gravity of liquid trap leakage fluid dram 42
From flowing to absorbing liquid circulating slot 2.The absorbing liquid return duct 26 is connected with weak aqua ammonia supply pipe, passes through the weak aqua ammonia amount of addition
To control the pH value of absorbing liquid, weak aqua ammonia is in absorbing liquid return duct 26 and after absorbing liquid mixing, into absorbing liquid circulating slot 2
Absorbing liquid backflow distributor pipe 21；Oxidation air adds absorbing liquid circulating slot by absorbing liquid circulating slot oxidation air distributor pipe 22
In 2.
The dilute slurry circulating slot 3 is through dilute slurry circulating pump 7, dilute slurry circulation pipe 29 and the phase of dilute slurry spraying layer 17
Connection, the dilute slurry vortex-flow and defrosting liquid trap 15 are connected through dilute slurry return duct 28 with dilute slurry circulating slot 3；Washing section is filled out
The bed of material 16 effectively realizes the uniform of flue gas, while the part liquid containing ammonium sulfate droplets particles carried in flue gas are intercepted；Thin pulp
The circulated sprinkling of liquid spraying layer 17 further reduces the content of ammonium sulfate in the liquid containing ammonium sulfate droplets particles carried in flue gas, enters simultaneously
One step absorbs remaining SO2, part dilute slurry falls in vortex-flow and defrosting liquid trap bottom plate through washing section packing layer 16 after circulated sprinkling
On 41, pass through descending liquid support tube 40 to vortex-flow and defrosting collection after partly falling on the catch tray 39 of dilute slurry vortex-flow and defrosting liquid trap 15
On liquid device bottom plate 41, dilute slurry circulating slot 3 is all finally back to by liquid trap leakage fluid dram.
In the demisting section, demister 18 and mist eliminator flushing spraying layer 19, mist eliminator flushing spraying layer 19 and technique are set
Water pipe 31 is connected, and demister 18 is sprayed using process water periodic flushing, ensures that the passage of demister 18 does not block, rinse spray liquid
Fall on dilute slurry vortex-flow and defrosting liquid trap 15, then from dilute slurry circulating slot 3 is flowed back to as dilute slurry spray moisturizing.The demisting
Device 18 can use deflection plate demister that ridge type demister also can be selected, and set 1-2 layers.
The absorbing liquid vortex-flow and defrosting liquid trap 13 and dilute slurry vortex-flow and defrosting liquid trap 15 are vortex-flow and defrosting liquid trap,
The vortex-flow and defrosting liquid trap includes vortex-flow and defrosting liquid trap bottom plate 41, multiple liters of inflators 37, eddy flow 34, sieve plate 35, demisting
Baffle plate 36, descending liquid support tube 40, catch tray 39, liquid-leaking nozzle 38 and liquid trap leakage fluid dram 42；The vortex-flow and defrosting liquid trap bottom plate
41 be provided with liquid trap leakage fluid dram 42 be used for and absorbing liquid return duct 26 or dilute slurry return duct 28 connect；The described liter of bottom of inflator 37
Portion is fixed on vortex-flow and defrosting liquid trap bottom plate 41, and it is in being staggered for corresponding room that adjacent two row, which rise inflator 37,；In the liter
Inflator 37 is internally provided with eddy flow 34, and eddy flow 34 is fixed on the inwall of liter inflator 37 through the sieve plate 35, the liter
The top of inflator 37 is provided with the demisting baffle plate 36 of annular, and descending liquid support tube 40 is evenly distributed with the top of liter inflator 37 and is used to support
Catch tray 39, liquid-leaking nozzle 38 is provided centrally with the catch tray 39.The sieve plate 35 includes annular bottom plate and cylindric riser,
The lower end of cylindric riser is fixedly connected with one end of annular bottom plate makes that the vertical section of sieve plate 35 is L-shaped, and the other end of bottom plate is consolidated
Due on the inwall of liter inflator 37, the upper end of riser is used to fix eddy flow 34, and aperture is evenly arranged with the bottom plate.The suction
Liquid vortex-flow and defrosting liquid trap 13 and the material selection two phase stainless steel of dilute slurry vortex-flow and defrosting liquid trap 15 are received, eddy flow 34 is selected outer
To plate.Fraction slurries are fallen on eddy flow 34 by liquid-leaking nozzle 38, are formed one layer of liquid film in eddy flow sublist face, can be risen and absorb SO2
Effect, while dissolution is played to the ammonium sulfate droplet except under, prevented in eddy flow 34 and the Crystallization Plugging of sieve plate 35.
The concentrated slurry circulation pipe 24 is provided with ammonium sulfate after-treatment device branch pipe in the outlet of concentrated slurry circulating pump 5
25, when the concentrated slurry in concentrated slurry circulating slot 4 reaches the density and concentration of setting, by going ammonium sulfate after-treatment device branch
Pipe 25 is delivered to ammonium sulfate after-treatment device centrifugal drying.
The concentration pre-absorption section is provided with concentration pre-absorption section liquid supplementation pipe 33, the concentration pre-absorption section liquid supplementation pipe 33 with
Absorbing liquid circulation pipe 27 connects, and concentration pre-absorption section fluid infusion is provided as flushing liquor by absorbing liquid circulating slot 2, through with concentrating pre-suction
Receive the liquid collecting for the concentration pre-absorption section backwash layer periodic flushing absorbing liquid vortex-flow and defrosting liquid trap 13 that section liquid supplementation pipe 33 is connected
The sub component such as 34 and sieve plate 35 of disk 39, eddy flow, is prevented in component surface fouling and clogging passage.
The absorber portion is provided with absorber portion liquid supplementation pipe 32, and the absorber portion liquid supplementation pipe 32 connects with dilute slurry circulation pipe 29
Connect, provide absorber portion fluid infusion as flushing liquor by dilute slurry circulating slot 3, the absorber portion through being connected with absorber portion liquid supplementation pipe 32 is anti-
The sub component such as 34 and sieve plate 35 of catch tray 39, eddy flow of layer periodic flushing dilute slurry vortex-flow and defrosting liquid trap 15 is rinsed, is prevented
Component surface fouling and clogging passage.
In the concentrated slurry circulating pump 5, absorbing liquid circulating pump 6, dilute slurry circulating pump 7, the inlet duct of jet-loop pump 8
Filter is mounted on, flue gas short circuit is formed to ensure that all nozzles will not block, filter housings material selection fiberglass,
Filter screen selects Hastelloy or Erosion-Resisting Non-metallic Materials.The necessary erosion resistant of the impeller material of the concentrated slurry circulating pump 5, when
When slurry flow is less than the 80% of design discharge in concentrated slurry circulation pipe 24, stand-by pump is enabled automatically, now concentrated slurry follows
The impeller of ring pump 5 may damage.
In the gas approach 11, overtemperature spraying layer is set, to prevent infringement of the flue gas mid-winter to desulfurization tower internals,
Spraying layer pipeline preferably selects two phase stainless steel, and nozzle selects silicon carbide material.
When absorber portion concentration of slurry is too high, under conditions of material balance is met, absorbing liquid vortex-flow and defrosting liquid trap 13
Thin pulp washing section slurries can be used as flushing liquor.
The concentrated slurry is preferably that solid content is 15%~20% supersaturated ammonium sulfate solution, and the oxygenation efficiency of ammonium sulfate exists
More than 99.5%, pH value is between 5.0~5.5；Absorbing liquid concentration specifically contains SO with the exhaust gas volumn of processing and flue gas2It is fixed；Thin pulp
Liquid preferably controls the ammonium sulfate slurries below 3% in concentration.The fluid infusion of dilute slurry directly passes through mist eliminator flushing water and wet type electricity
Deduster flushing water etc. supplements.
In the case of ground on the scene space is unrestricted, wet electrical dust precipitator 20 can be arranged on fume desulfurating absorption tower 1 one
Side, the top exhanst gas outlet of fume desulfurating absorption tower 1 are connected through flue with wet electrical dust precipitator 20.
Embodiment 1
240t/h pulverized-coal fired boiler flue gases are handled, its exhaust gas volumn is 280000Nm under declared working condition3/ h, the original of flue entrance 11
125 DEG C of flue-gas temperature, SO2Concentration 2500mg/Nm3, dust content 20mg/Nm3.Fume desulfurating absorption tower 1 is that carbon steel serves as a contrast glass flake
Material, wherein high 32m, a diameter of 7.2m, the Liquid level of concentrated slurry circulating slot 4 divide into the jet of FRP materials in 5.5m~6m
It is 1800Nm to stir distributor pipe 9 and absorption tower oxidation air distributor pipe 10, oxidation air amount3/h.Concentrate pre-absorption section and set 1 layer
Concentrated slurry spraying layer 12, material are 2205 two phase stainless steels, flow 400m3/ h, spray coverage rate 150%；In thickened pulp
The top of liquid spraying layer 12 sets 1 layer of concentration pre-absorption section backwash layer to be sprayed as the backwash of absorbing liquid vortex-flow and defrosting liquid trap 13
Drenching layer, material are high temperature resistant FRP, intermittent shower, spray once within one hour, continue 3 minutes every time, spray 6m every time3.Absorber portion
The material of absorbing liquid vortex-flow and defrosting liquid trap 13 is 2205 two phase stainless steels, the blade outer end diameter 950mm of eddy flow, the elevation angle 25
Degree, the perforate ratio of sieve plate 35 are 1.5%, and the vapour lock of absorbing liquid vortex-flow and defrosting liquid trap 13 is 350Pa, and leakage rate is 0.5%, demisting effect
Rate is 85%；3 layers of absorber portion absorbing liquid spraying layer 14 are set altogether, and material FRP, interlamellar spacing 2m, every layer of spray flux is 400m3/
H, every layer of spray coverage rate 150%, wherein middle one layer is spare level, absorbing liquid is the ammonium sulfate slurries of concentration 15%, is being inhaled
Receiving the top of liquid spraying layer 14 sets absorber portion to backwash layer, material FRP, intermittent shower, sprays once within one hour, continues every time
3 minutes, 7m was sprayed every time3, backwash dilute slurry vortex-flow and defrosting liquid trap 15.The material of dilute slurry vortex-flow and defrosting liquid trap 15 is
317 stainless steels, the blade outer end diameter 950mm of eddy flow, 25 degree of the elevation angle, the perforate ratio of sieve plate 35 are 1%, dilute slurry vortex-flow and defrosting
The vapour lock of liquid trap 15 is 300Pa, and leakage rate is 0.5%, demisting efficiency 90%.The height of washing section packing layer 16 is 2m, is one
Layer corrugated plate packing；The top of washing section packing layer 16 sets dilute slurry spraying layer 17, spray flux 200m3/ h, spray coverage rate
150%, dilute slurry is the ammonium sulfate slurries of concentration 2%.The demister 18 of demisting section is one layer of folded plate demister, and vapour lock is
150Pa, demisting efficiency 98%.After flue gas is by fume desulfurating absorption tower 1, into wet electrical dust precipitator 20, further remove
Liquid containing ammonium sulfate aerosol.
After the classification Absorption Desulfurization device processing that flue gas passes through the present embodiment ammonia ammonium sulphate process, the neat stress of discharge passes through
Detection draws data：
The smoke outlet flue fog drip content of fume desulfurating absorption tower 1 is 80mg/Nm3, wet electrical dust precipitator 20 exports
It is 30mg/Nm to locate droplet content in neat stress3；
Total aerosol (dirt) content is 10mg/Nm in the smoke outlet flue gas of fume desulfurating absorption tower 13, wet-esp
Total aerosol content is 4.9mg/Nm in the exit neat stress of device 203；
Ammonia utilization rate is up to more than 99%.
Embodiment 2
The classification Absorption Desulfurization device of the ammonia ammonium sulphate process of embodiment 1 is transformed, only adjusts vortex-flow and defrosting during transformation
Liquid trap, the device (device A) that absorbing liquid vortex-flow and defrosting liquid trap 13 is only set is transformed into respectively, had both been not provided with absorbing liquid eddy flow
Demisting liquid trap 13, the device (device B) for being also not provided with dilute slurry vortex-flow and defrosting liquid trap 15, each lead into flue gas, exhaust gas volumn
For 270000Nm3/ h, SO in flue gas2Concentration 2000mg/Nm3.Compared with device B, device A vapour locks increase 180Pa, concentrate pre-suction
The volume of ammonium sulfate that receipts section is carried to absorber portion is reduced to 0.4t/h by 2t/h, and absorber portion concentration of slurry is reduced to 12% by 30%,
Total aerosol (dirt) content is by 40mg/Nm in the neat stress of discharge3It is reduced to 20mg/Nm3。
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Although the present invention is described and illustrated here by some or some particular arrangements, but its purpose and limit is not lain in
The details is made, because may have various modifications and structure change in the range of patent requirements, without departing from spirit.
Claims (9)
1. the classification Absorption Desulfurization device of a kind of ammonia ammonium sulphate process, it is characterised in that including fume desulfurating absorption tower (1), absorb
Liquid circulating slot (2), dilute slurry circulating slot (3) and wet electrical dust precipitator (20)；Include in the fume desulfurating absorption tower (1) under
Concentrated slurry circulating slot (4), concentration pre-absorption section, absorber portion, dilute slurry washing section and demisting section on and；The concentration pre-suction
Receiving section includes at least one layer of concentrated slurry spraying layer (12), and the absorber portion includes absorbing liquid vortex-flow and defrosting liquid collecting from bottom to top
Device (13) and at least one layer of absorbing liquid spraying layer (14), the dilute slurry washing section include dilute slurry vortex-flow and defrosting from bottom to top
Liquid trap (15) and dilute slurry spraying layer (17), the fume desulfurating absorption tower (1) is interior to be provided with washing section packing layer (16), institute
Washing section packing layer (16) is stated to be arranged between dilute slurry vortex-flow and defrosting liquid trap (15) and dilute slurry spraying layer (17)；It is described to remove
Mist section includes demister (18) and mist eliminator flushing spraying layer (19) from below to up；Set at the top of fume desulfurating absorption tower (1)
Putting wet electrical dust precipitator (20) makes flue gas enter wet electrical dust precipitator (20) through exhanst gas outlet at the top of fume desulfurating absorption tower (1)；
The bottom of the concentrated slurry circulating slot (4) is provided with absorption tower oxidation air distributor pipe (10) and jet mixing distributor pipe
(9), the absorption tower oxidation air distributor pipe (10) is arranged on above jet mixing distributor pipe (9)；The concentrated slurry circulation
The configured concentrated slurry jet-loop pipe (30) outside in fume desulfurating absorption tower (1) in groove (4) top is distributed with jet mixing
Pipe (9) is connected, concentrated slurry circulating slot (4) concentrated slurry circulating pump (5), concentrated slurry circulation pipe (24) and concentration pre-suction
The concentrated slurry spraying layer (12) received in section is connected；Flue entrance (11), pre-concentration are provided with the concentration pre-absorption section
Absorber portion is connected with inlet air stack by flue entrance (11), and the flue entrance (11) is located at concentrated slurry spraying layer (12)
Lower section；The absorbing liquid circulating slot (2) is through absorbing liquid circulating pump (6), absorbing liquid circulation pipe (27) and the absorbing liquid spraying layer
(14) it is connected, the absorbing liquid vortex-flow and defrosting liquid trap (13) is through absorbing liquid return duct (26) and absorbing liquid circulating slot (2) phase
Connection；Absorbing liquid circulating slot (2) bottom is provided with absorbing liquid backflow distributor pipe (21) and absorbing liquid circulating slot oxidation air
Distributor pipe (22)；The dilute slurry circulating slot (3) is through dilute slurry circulating pump (7), dilute slurry circulation pipe (29) and the dilute slurry
Spraying layer (17) is connected, and the dilute slurry vortex-flow and defrosting liquid trap (15) is through dilute slurry return duct (28) and dilute slurry circulating slot
(3) it is connected.
2. the classification Absorption Desulfurization device of ammonia ammonium sulphate process according to claim 1, it is characterised in that in the thickened pulp
Jet-loop pump (8) is provided with liquid jet-loop pipe (30)；The concentrated slurry jet-loop pipe (30) is in jet-loop pump
(8) porch is connected with weak aqua ammonia supply pipe.
3. the classification Absorption Desulfurization device of ammonia ammonium sulphate process according to claim 2, it is characterised in that in the thickened pulp
Liquid circulating pump (5), absorbing liquid circulating pump (6), dilute slurry circulating pump (7), the porch pipeline of jet-loop pump (8) are mounted on
Filter.
4. the classification Absorption Desulfurization device of ammonia ammonium sulphate process according to claim 1, it is characterised in that the absorbing liquid is followed
Annular groove oxidation air distributor pipe (22) is arranged on above absorbing liquid backflow distributor pipe (21)；The absorbing liquid backflow distributor pipe (21)
It is connected with absorbing liquid return duct (26)；The absorbing liquid return duct (26) is connected with weak aqua ammonia supply pipe.
5. the classification Absorption Desulfurization device of ammonia ammonium sulphate process according to claim 1, it is characterised in that the concentrated slurry
Circulation pipe (24) is provided with ammonium sulfate after-treatment device branch pipe (25) in concentrated slurry circulating pump (5) outlet.
6. the classification Absorption Desulfurization device of ammonia ammonium sulphate process according to claim 1, it is characterised in that the concentration pre-suction
Receive section and be provided with concentration pre-absorption section liquid supplementation pipe (33), concentration pre-absorption section liquid supplementation pipe (33) the connection absorbing liquid circulation pipe
(27) and be arranged on concentration pre-absorption section in concentration pre-absorption section backwash layer, periodic flushing absorbing liquid vortex-flow and defrosting liquid trap
(13)；The absorber portion is provided with absorber portion liquid supplementation pipe (32), and the absorber portion liquid supplementation pipe (32) connects dilute slurry circulation pipe
(29) and be arranged in absorber portion absorber portion backwash layer, periodic flushing dilute slurry vortex-flow and defrosting liquid trap (15).
7. the classification Absorption Desulfurization device of ammonia ammonium sulphate process according to claim 1, it is characterised in that the absorbing liquid rotation
It is vortex-flow and defrosting liquid trap to flow demisting liquid trap (13) and dilute slurry vortex-flow and defrosting liquid trap (15), the vortex-flow and defrosting liquid collecting
Device include vortex-flow and defrosting liquid trap bottom plate (41), multiple liters of inflators (37), eddy flow (34), sieve plate (35), demisting baffle plate (36),
Descending liquid support tube (40), catch tray (39), liquid-leaking nozzle (38) and liquid trap leakage fluid dram (42)；The vortex-flow and defrosting liquid trap bottom plate
(41) liquid trap leakage fluid dram (42) is provided with to be used to connect absorbing liquid return duct (26) or dilute slurry return duct (28)；Described liter of gas
Cylinder (37) bottom is fixed on vortex-flow and defrosting liquid trap bottom plate (41), and adjacent two row rise the staggered row that inflator (37) is in corresponding room
Row；Eddy flow (34) is internally provided with described liter of inflator (37), the eddy flow (34) is fixed on liter through the sieve plate (35)
On inflator (37) inwall, the demisting baffle plate (36) of annular is provided with the top of described liter of inflator (37), it is equal on a liter inflator (37) top
The even descending liquid support tube (40) that is distributed with is used to support catch tray (39), and liquid-leaking nozzle is provided centrally with the catch tray (39)
(38)。
8. the classification Absorption Desulfurization device of ammonia ammonium sulphate process according to claim 7, it is characterised in that the sieve plate (35)
Including annular bottom plate and cylindric riser, the lower end of cylindric riser is fixedly connected with one end of annular bottom plate, bottom plate it is another
End is fixed on a liter inflator (37) inwall, and the upper end of riser is used to fix eddy flow (34), is evenly arranged with the bottom plate small
Hole.
9. the classification Absorption Desulfurization device of ammonia ammonium sulphate process according to claim 1, it is characterised in that the demister punching
Washing and spraying layer (19) is connected with technique water pipe (31)；The demister (18) is deflection plate demister or ridge type demister.
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| CN201510652408.1A CN105148712B (en) | 2015-10-10 | 2015-10-10 | A kind of classification Absorption Desulfurization device of ammoniacal ammonium sulphate method |
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| CN105833669A (en) * | 2016-05-14 | 2016-08-10 | 张波 | Purification device capable of achieving ultralow emission |
| CN106345259B (en) * | 2016-10-21 | 2023-05-16 | 金川集团股份有限公司 | A treatment device and method for smelting ring collection flue gas |
| CN106422705A (en) * | 2016-11-07 | 2017-02-22 | 大连科林能源工程技术开发有限公司 | Multi-stage fluidized washing and resourceful utilization ultra-low pollutant discharge system for sulfur-containing waste gas |
| CN107213769B (en) | 2017-05-25 | 2019-09-20 | 江苏新世纪江南环保股份有限公司 | A kind of ammonia desulfurization method and device for compartmentalized ammonia addition |
| CN108722163B (en) | 2017-09-07 | 2019-06-07 | 江苏新世纪江南环保股份有限公司 | A kind of method of ammonia desulfurization control aerosol generation in absorption process |
| CN107583380A (en) * | 2017-10-25 | 2018-01-16 | 福建卫东环保股份有限公司 | A kind of gas cleaning integral system |
| CN108905592B (en) * | 2018-08-17 | 2024-06-18 | 中石化南京工程有限公司 | Sequencing batch tower internal saturated crystallization ammonia desulfurization device and method |
| CN109316938A (en) * | 2018-11-15 | 2019-02-12 | 湖北双环科技股份有限公司 | Process of desulfurization for boiler flue gas system |
| CN109351153A (en) * | 2018-11-15 | 2019-02-19 | 湖北双环科技股份有限公司 | Desulfation dust-extraction device suitable for ammonia desulfurizing process |
| CN110102161A (en) * | 2019-06-13 | 2019-08-09 | 石家庄宇清环保科技有限公司 | A kind of energy-efficient minimum discharge desulfurizer |
| CN111992017B (en) * | 2020-08-21 | 2023-03-10 | 中石化南京工程有限公司 | Combined ammonia desulphurization production method and device |
| CN112169570A (en) * | 2020-10-20 | 2021-01-05 | 常德市俊德科技发展有限公司 | Chemical industry is integration sulphur removal equipment for waste gas |
| CN113426276B (en) * | 2021-07-01 | 2023-04-07 | 江苏新世纪江南环保股份有限公司 | Ammonia desulphurization energy-saving device |
| CN115869756B (en) * | 2022-12-14 | 2025-11-04 | 浙江浙能科技环保集团股份有限公司 | A desulfurization and dust removal test device |
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| CN102580504A (en) * | 2012-03-07 | 2012-07-18 | 武汉兴能环保技术有限公司 | Novel ammonia desulphurization absorption device |
| CN202638258U (en) * | 2012-06-04 | 2013-01-02 | 江山市泰格化工有限公司 | Desulfurizing tower |
| CN202654931U (en) * | 2012-06-29 | 2013-01-09 | 武汉凯迪电力环保有限公司 | Sectional absorption ammonia desulphurization device |
| CN204447737U (en) * | 2015-01-30 | 2015-07-08 | 山东台鹰环境工程有限公司 | Desulfurization and dedusting spray absorber |
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Address after: No. 3 horses horses Science Park Avenue in Qixia District of Nanjing City, Jiangsu province 210049 Patentee after: SINOPEC NANJING ENGINEERING & CONSTRUCTION Inc. Patentee after: Sinopec Engineering (Group) Co.,Ltd. Address before: 211112 No. 1189, Jian Jian Road, Jiangning District, Jiangsu, Nanjing Patentee before: SINOPEC NANJING ENGINEERING & CONSTRUCTION Inc. Patentee before: Sinopec Engineering (Group) Co.,Ltd. |
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