CN205886592U - DC combination tower sulfur dioxide treatment system - Google Patents
DC combination tower sulfur dioxide treatment system Download PDFInfo
- Publication number
- CN205886592U CN205886592U CN201620884912.4U CN201620884912U CN205886592U CN 205886592 U CN205886592 U CN 205886592U CN 201620884912 U CN201620884912 U CN 201620884912U CN 205886592 U CN205886592 U CN 205886592U
- Authority
- CN
- China
- Prior art keywords
- tower
- cst
- desulfurizing tower
- multiphase
- heterogeneous
- 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.)
- Expired - Fee Related
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- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 36
- 238000004062 sedimentation Methods 0.000 claims abstract description 19
- 239000010865 sewage Substances 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 18
- 238000006477 desulfuration reaction Methods 0.000 abstract description 18
- 230000023556 desulfurization Effects 0.000 abstract description 12
- 239000002245 particle Substances 0.000 abstract description 2
- 239000008186 active pharmaceutical agent Substances 0.000 abstract 5
- 239000000443 aerosol Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- 239000007788 liquid Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 9
- 239000000376 reactant Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 239000010440 gypsum Substances 0.000 description 5
- 229910052602 gypsum Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000007717 exclusion Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 2
- 235000010261 calcium sulphite Nutrition 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a DC combination tower sulfur dioxide treatment system, including heterogeneous desulfurizing tower of DS and CST turbogrid tray tower, DS passes through pipeline and boiler connected in heterogeneous desulfurizing tower top, the heterogeneous desulfurizing tower lower extreme of DS is established on the sedimentation tank, and rather than the intercommunication, CST turbogrid tray tower lower extreme is established on the sedimentation tank, and rather than the intercommunication, CST turbogrid tray top of the tower end passes through pipeline intercommunication chimney through pipe connection draught fan, draught fan, the sedimentation tank lower part is equipped with sewage port, the heterogeneous desulfurizing tower upper portion of DS is inserted through the circulating pump in the sedimentation tank middle part, through the circulating wind pipe intercommunication on the pipeline between the heterogeneous desulfurizing tower of draught fan and chimney and boiler and DS. The utility model provides a DC combination tower has been solved the wet flue gas desulfurization flue gas and has been carried " secondary pollution " problem that the emission of aerosol particles thing leads to, the system has reduced the area when each single tower series uses, saving investment expense, the reinforcing operational reliability of system.
Description
Technical field
The utility model belongs to technical field of environment protection equipment, is related to a kind of dc combination tower sulfur dioxide treatment system, specifically
It is a kind of ds multiphase desulfurizing tower and cts dual-flow tray integrated desulfurization technology.
Background technology
The flue gas pollutant main component of industry exclusion is so2And dust, atmospheric environment and the mankind are caused serious
Harm.Desulfurization and two operating units of dedusting can be combined again in integral process engineering by flue gas desulfurization and dust removal integrated technology
Get up, efficiency high, small investment, promote dedusting and desulphurization integrated technology and sign living environment, increase economic efficiency and area to improving
The air quality in domain has great significance.Desulphurization system is located at the end of flue, after deduster, the reaction temperature of sweetening process
Degree is less than dew point, so the flue gas after desulfurization needs to heat again could discharge.With the raising of discharging standards, desulphurization system
Efficiency of dust collection also improving constantly, especially wet desulphurization effect is much better compared with dry desulfurization effect, so wet desulphurization becomes
First-selection for enterprise.
Lime stone-gypsum method flue gas desulfurization technology using lime stone slurry as desulfurizing agent, in absorption tower to flue gas at
Reason absorbs, and so that the sulfur dioxide in flue gas is reacted and generates calcium sulfite, blasts air simultaneously, force to make in the slurries on absorption tower
Calcium sulfite is converted into calcium sulfate, and the byproduct of desulfurizing agent is gypsum.This system includes smoke heat exchanging system, absorption tower desulfurization system
System, desulfurizer slurry preparation system, gypsum dehydration and Waste Water Treatment.Due to lime stone low price it is easy to transporting and protecting
Deposit, thus become the main desulfurizing agent in wet fuel gas desulfurizing technology, limestone-gypsum method flue gas desulfurization technology becomes preferential
The wet fuel gas desulfurizing technology selecting, this method desulfuration efficiency height (more than 95%), functional reliability is high.
In prior art, ds multiphase desulfurizing tower and cst turbogrid tower belong to wet desulphurization although each having higher
Desulfuration efficiency, its weak point is as follows: ds multiphase desulfurizing tower, though as shown in figure 1, this desulfurizing tower has higher desulfurization effect
Rate, it is single that reactant liquor is not to close with flue gas during contacting as seen from the figure, have small portion of gas not with reactant liquor
Reaction tower, the desulfuration efficiency of impact desulfurizing tower are discharged in contact after demister support mist；Cst turbogrid tower, as shown in Fig. 2 due to
On hole relatively small, all reactant liquor species are restricted, with so2The reactant liquor that reaction produces precipitation is not used in this reaction
In tower, easily block sieve aperture, so that reaction tower cannot be run.
Utility model content
The purpose of this utility model is to provide a kind of dc combination tower sulfur dioxide treatment system.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of dc combination tower sulfur dioxide treatment system, including ds multiphase desulfurizing tower and cst turbogrid tower, described ds multiphase
Desulfurizing tower top is connected with boiler by pipeline, and described ds multiphase desulfurizing tower lower end is located on sedimentation basin, and communicates therewith；
Described cst turbogrid tower lower end is located on sedimentation basin, and communicates therewith；Pipe is passed through on described cst turbogrid tower top
Road connects air-introduced machine, and air-introduced machine passes through pipeline communication chimney；
Described sedimentation basin bottom is provided with sewage mouth；Accessed on ds multiphase desulfurizing tower by circulating pump in the middle part of described sedimentation basin
Portion；
Connected by circulating airduct on pipeline between described air-introduced machine and chimney and boiler and ds multiphase desulfurizing tower.
The beneficial effects of the utility model: the dc combination tower that the utility model provides solves wet desulfurization flue gas and carries gas
" secondary pollution " problem that sol particles discharge leads to；System decreases floor space when each single column is used in series, and saves
Investment cost, strengthening system operational reliability, create bigger economic benefit, have both ds multiphase desulfurizing tower and cst simultaneously
The advantage of turbogrid tower, also overcomes shortcoming when two towers are used alone, existing desulfurizer availability lifting, can meet more
High environmental requirement, gathers around in the desulphurization system in future and has a wide range of applications.
Brief description
For the ease of it will be appreciated by those skilled in the art that being further described to the utility model below in conjunction with the accompanying drawings.
Fig. 1 is ds multiphase Structure of Flue Gas Desulfuration Absorbing schematic diagram in prior art；
Fig. 2 is cst turbogrid tower structural representation in prior art；
Fig. 3 is a kind of the utility model dc combination tower sulfur dioxide treatment system structural representation.
Specific embodiment
A kind of dc combination tower sulfur dioxide treatment system, as shown in figure 3, include ds multiphase desulfurizing tower 2 and cst turbogrid tower
3；Ds multiphase desulfurizing tower 2 top is connected with boiler 1 by pipeline, and ds multiphase desulfurizing tower 2 lower end is located on sedimentation basin 7, and and its
Connection；
Cst turbogrid tower 3 lower end is located on sedimentation basin 7, and communicates therewith；Cst turbogrid tower 3 top is connected by pipeline
Air-introduced machine 5, air-introduced machine 5 passes through pipeline communication chimney 4；
Sedimentation basin 7 bottom is provided with sewage mouth 8；Ds multiphase desulfurizing tower 2 top is accessed by circulating pump 9 in sedimentation basin 7 middle part；
Pass through on pipeline between air-introduced machine 5 and chimney 4 and boiler 1 and ds multiphase desulfurizing tower 2 to circulate airduct 6 even
Logical；
Ds multiphase desulfurizing tower operation principle: this tower is divided into three parts: top is gas approach, is furnished with cyclic absorption slurries
Inlet tube, middle part is reaction member, and here is substantially carried out gas-liquid reaction.Flue gas is fully contacted with slurries by reaction member, takes off
Except so2；Bottom is oxidation slurry tank.Gas carries out slurries with liquid here and separates, and absorbs slurries and carries out in oxidation trough fully
Oxidation, generates gypsum.Absorb slurries and tower top grout distribution device is pumped into by circulation, form one water curtain, air-liquid two-phase exists
Form high turbulence area in tower, air-flow is fully contacted, and desulfuration efficiency is high, and each absorption tower is by many under tower inner member guide functions
Individual absorptive unit composition.
Cst turbogrid tower operation principle: this tower dust-laden exhaust gas favorable current in the presence of air-introduced machine enters cst turbogrid tray
Tower-wet type bubble dust collector, gas pressure drop △ p, liquid pressure drop △ l；As gas pressure drop △ p=liquid pressure drop △ l, in sieve plate
On leave water membrane, with air-introduced machine effect as gas pressure drop △ p ＞ liquid pressure drop △ l, gas breaks through under moisture film enters
One layer of sieve plate；As liquid pressure drop △ l ＞ gas pressure drop △ p in the presence of water pump, liquid flows to next layer of sieve plate by sieve aperture
On, gas constantly replaces change with liquid on sieve plate.Liquid film and gas interact and are changed into numerous little foam, ash-laden gas
Dust in body is just received by this countless foam and is caught, and stays in a liquid, every tower has 2-3 block sieve plate, the froth bed on every piece of sieve plate
Thickness has 150mm, dust-laden exhaust gas in tower froth bed through 400-600mm path, flue dust is left behind flowing out outside tower downstream, quilt
The gas purifying is entering air with air-introduced machine in tower after solid-liquor separation demisting.
The dc recombination reaction tower that the utility model provides is to be combined ds multiphase desulfurizing tower 2 with cst turbogrid tower 3 to be used for one
The desulphurization system of set, operation principle is as follows:
Boiler 1 flue gas enters ds multiphase desulfurizing tower 2 after drawing and carries out desulfurization, after ds multiphase desulfurizing tower 2, so in flue gas2
Major part is by ca (oh)2Solution absorb, in sedimentation basin 7 precipitation discharge, after treatment containing a small amount of so2Flue gas enter
Enter cst turbogrid tower 3 to be reprocessed, one layer of sieve plate of setting and one layer of demister, cst turbogrid tower 3 in cst turbogrid tower 3
Top introduce clear water as reactant liquor, flue gas in the sieve plate in cst turbogrid tower 3, a small amount of so in flue gas2And flue dust
Intercepted by the aqueous solution to flow into and react again in sedimentation basin 7 outside generation precipitation exclusion tower；Flue gas after sieve plate contains on a small quantity
Drop, is removed after demister, and clean flue gas is discharged by chimney through flue；
A small amount of so that cannot remove in flue gas after effectively ds multiphase desulfurizing tower 2 being processed using dc combination tower2Gas goes
Remove, largely improve so less2Desulfuration efficiency, reduce environmental pollution, decrease the harm giving people that class health is brought, with
When overcome the present situation that is restricted of reactant liquor selection, the reaction in cst turbogrid tower 3 tower when cst turbogrid tower 3 single column uses
Liquid is directly entered sedimentation basin 7 and the ca (oh) of ds multiphase desulfurizing tower 22Solution reaction, need not separately build system by sulphur from the aqueous solution
Crystallization exclusion, saves the floor space of system, reduces economic cost.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member is made various modifications or supplements or substituted using similar mode, without departing from reality to described specific embodiment
With new structure or surmount scope defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (1)
1. a kind of dc combination tower sulfur dioxide treatment system, including ds multiphase desulfurizing tower (2) and cst turbogrid tower (3), its feature
It is, described ds multiphase desulfurizing tower (2) top is connected with boiler (1) by pipeline, described ds multiphase desulfurizing tower (2) lower end is located at
On sedimentation basin (7), and communicate therewith；
Described cst turbogrid tower (3) lower end is located on sedimentation basin (7), and communicates therewith；Described cst turbogrid tower (3) top leads to
Piping connects air-introduced machine (5), and air-introduced machine (5) passes through pipeline communication chimney (4)；
Described sedimentation basin (7) bottom is provided with sewage mouth (8)；Access ds multiphase by circulating pump (9) in the middle part of described sedimentation basin (7) to take off
Sulphur tower (2) top；
Circulated air is passed through on the pipeline between described air-introduced machine (5) and chimney (4) and boiler (1) and ds multiphase desulfurizing tower (2)
Pipe (6) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620884912.4U CN205886592U (en) | 2016-08-16 | 2016-08-16 | DC combination tower sulfur dioxide treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620884912.4U CN205886592U (en) | 2016-08-16 | 2016-08-16 | DC combination tower sulfur dioxide treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205886592U true CN205886592U (en) | 2017-01-18 |
Family
ID=57778599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620884912.4U Expired - Fee Related CN205886592U (en) | 2016-08-16 | 2016-08-16 | DC combination tower sulfur dioxide treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205886592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110868A (en) * | 2016-08-16 | 2016-11-16 | 安徽盛运重工机械有限责任公司 | A kind of DC combination tower sulfur dioxide treatment system |
| CN106861387A (en) * | 2017-02-21 | 2017-06-20 | 安徽海纳森环境科技有限公司 | A kind of photodissociation exhaust gas integration processing system |
-
2016
- 2016-08-16 CN CN201620884912.4U patent/CN205886592U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110868A (en) * | 2016-08-16 | 2016-11-16 | 安徽盛运重工机械有限责任公司 | A kind of DC combination tower sulfur dioxide treatment system |
| CN106861387A (en) * | 2017-02-21 | 2017-06-20 | 安徽海纳森环境科技有限公司 | A kind of photodissociation exhaust gas integration processing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20200816 |