CN107670618A - A kind of array oxidation wind induction system - Google Patents
A kind of array oxidation wind induction system Download PDFInfo
- Publication number
- CN107670618A CN107670618A CN201710998062.XA CN201710998062A CN107670618A CN 107670618 A CN107670618 A CN 107670618A CN 201710998062 A CN201710998062 A CN 201710998062A CN 107670618 A CN107670618 A CN 107670618A
- Authority
- CN
- China
- Prior art keywords
- oxidation wind
- main pipeline
- subtube
- oxidation
- induction system
- 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.)
- Pending
Links
- 230000003647 oxidation Effects 0.000 title claims abstract description 66
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 66
- 230000006698 induction Effects 0.000 title claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 55
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 238000006477 desulfuration reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 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
- 235000010261 calcium sulphite Nutrition 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a kind of array oxidation wind induction system, including main pipeline, subtube, blower fan and agitator；Main pipeline is arranged on the pool wall of desulphurization tower slurry pool, and main pipeline gos deep into the slurries of desulphurization tower slurry pool；An end installation at least subtube, the subtube of main pipeline is provided with multiple nozzles along its length direction；Blower fan blasts oxidation wind into main pipeline；Agitator is arranged on the pool wall of desulphurization tower slurry pool.The array oxidation wind induction system of the present invention produces a large amount of smaller oxidation wind bubbles using multiple nozzles of subtube, add the contact area of oxidation wind bubble and slurries, also increase residence time of the oxidation wind bubble in slurries simultaneously, be advantageous to oxidation wind bubble more fully to react with slurries, improve the utilization ratio of oxidation wind, in the case where keeping identical oxidation effectiveness, it drastically reduce the area the usage amount of oxidation wind, the power of oxidation fan is thus can be reduced, reaches the purpose of energy-conservation.
Description
Technical field
The present invention relates to coal-burning boiler wet desulphurization equipment field, more particularly to a kind of array oxidation wind induction system.
Background technology
In coal-burning boiler wet desulfurization system, dissolution of calcium carbonate is boosted on absorption tower in slurries by slurry circulating pump
Portion, and be atomized landing, contain SO with rising2Flue gas meet, SO2Calcium sulfite is generated with calcium carbonate and water reaction, and is landed
To desulfurization slurry pond, the first step for completing desulphurization reaction chemically reacts.
In desulfurization slurry pond, calcium sulfite reacts with the oxygen in oxidation wind, generates calcium sulfate, and it is anti-to complete desulfurization
Second step chemical reaction in answering.
Oxidation wind induction system is a kind of blowing device being used in coal-burning boiler wet flue gas desulfurizer, and oxidation wind is defeated
Send slurries conveying oxygen or air of the system into desulphurization tower slurry pool, calcium sulfite reaction generation sulphur of the oxygen with slurries in interior
Sour calcium, desulfurization second step chemical reaction is completed, avoids sulfur dioxide gas polluting environment.Prior art is defeated to desulphurization tower slurry pool
Oxygen is sent to be stretched to using pipeline and blower fan, pipeline in slurries, oxidation wind (is typically directly used air as oxygen by blower fan
Wind transmission) by pipeline slurries bottom, oxidation wind bubble rises while and slurry reaction；In order that obtain oxidation wind bubble
Distribution is more uniformly distributed, and agitator is typically set in desulphurization tower slurry pool, and agitator is internally formed liquid flowing, oxygen in slurries
The horizontal proliferation with working fluid of wind transmission bubble.Oxidation wind bubble caused by the oxidation wind induction system of prior art compared with
Greatly, the gross area of oxidation wind bubble and slurry liquid contacts is small, and oxidation wind is not abundant enough with slurry reaction, the utilization rate of oxidation wind compared with
It is low.
The content of the invention
The technical problem to be solved in the present invention be oxidation wind bubble caused by the oxidation wind induction system of prior art compared with
Greatly, the gross area of oxidation wind bubble and slurry liquid contacts is small, and oxidation wind is not abundant enough with slurry reaction, and the utilization rate of oxidation wind is relatively low
Problem.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of array oxidation wind induction system, bag
Include main pipeline, subtube, blower fan and agitator；
Main pipeline is arranged on the pool wall of desulphurization tower slurry pool, and main pipeline gos deep into the slurries of desulphurization tower slurry pool；Supervisor
An end installation at least subtube, the subtube in road is provided with multiple nozzles along its length direction；Blower fan is into main pipeline
Blast oxidation wind；Agitator is arranged on the pool wall of desulphurization tower slurry pool.
Further, the subtube is horizontally disposed, and the nozzle on subtube is down；It is horizontal that the blade of agitator, which points to,
Or slightly have a down dip, agitator forms the liquid stream of horizontal or slight downdip direction flowing in slurries；Horizontal subtube makes
The fluid pressure that all nozzles are born on subtube is basically identical, nozzle interior air pressure is also basically identical, thus all sprays
The size of oxidation wind bubble is also basically identical caused by mouth；All oxidation wind bubbles are on fluid pathways after its formation, warp
The rolling action of liquid stream and diffuse in whole slurries, be advantageous to oxidation wind and fully reacted with slurries.
Further, the vertical height of the subtube is higher than agitator, and the liquid stream of flowing is positioned at spray caused by agitator
The lower section of mouth；This design neither influences the diffusion of oxidation wind bubble, also can slightly raise whole subtube in slurries
Highly, the fluid pressure that nozzle is born is reduced, and then reduces power of fan.
Further, the gross area of all nozzles is less than the sectional area of main pipeline, ensures the performance of nozzle air current.
Further, the main pipeline is fixed on the pool wall of desulphurization tower slurry pool by support, the main pipeline and is in charge of
Road makes by corrosion-resistant stainless steel material.
Beneficial effect：(1) array oxidation wind induction system of the invention is produced a large amount of using multiple nozzles of subtube
Smaller oxidation wind bubble, adds the contact area of oxidation wind bubble and slurries, while also increases oxidation wind bubble
Residence time (rate of climb of the minute bubbles in liquid is less than the rate of climb of the air pocket in liquid) in slurries, favorably
More fully reacted with slurries in oxidation wind bubble, improve the utilization ratio of oxidation wind, reaching the situation of identical oxidation effectiveness
Under, the oxidized input air of demand is greatly lowered, while reduces oxidation fan power of motor, reaches the purpose of energy-conservation.(2) it is of the invention
Array oxidation wind induction system use subtube be arranged horizontally, all nozzles are highly consistent in slurries, own
The fluid pressure of nozzle is in the same size so that oxidation wind bubble size is basically identical caused by all nozzles, in overall slurries
Oxidation wind bubble is more dispersed.(3) nozzle for the subtube that array oxidation wind induction system of the invention uses down,
The height of subtube is more than the height of agitator, and compared to traditional equipment, the height of nozzle of the invention is higher, and nozzle is born
Fluid pressure it is smaller, advantageously reduce power of fan.
Brief description of the drawings
Fig. 1 is the structural representation of the oxidation wind induction system of embodiment 1.
Fig. 2 is Fig. 1 A enlarged drawings.
Fig. 3 is Fig. 1 A direction views.
Fig. 4 is Fig. 3 upward view.
Wherein：1st, main pipeline；2nd, subtube；21st, nozzle；3rd, blower fan；4th, agitator；5th, support；6th, desulphurization tower slurry pool；
7th, oxidation wind bubble.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in Figures 1 to 4, the array oxidation wind induction system of the present embodiment, including main pipeline 1, subtube 2, wind
Machine 3, agitator 4 and support 5；
Main pipeline 1 is arranged on the pool wall of desulphurization tower slurry pool 6 by the support 5 of triangle, and the end of main pipeline 1 is deeply extremely
In the slurries of desulphurization tower slurry pool 6；More subtubes 2 are installed on the horizontal segment of the end of main pipeline 1, all subtubes 2 that
This is parallel and horizontally disposed, and subtube 2 is provided with multiple nozzles 21 along its length direction, and nozzle 21 is down；
Agitator 4 is arranged on the pool wall of desulphurization tower slurry pool 6, and the level height of agitator 4 is high less than the level of subtube 2
Degree, agitator 4 and subtube 2 are in the bottom of pond of desulphurization tower slurry pool 6；
Blower fan 3 blasts oxidation wind into main pipeline 1.
The oxidation wind induction system of the present embodiment is using the largely nozzle 21 in same level height by main pipeline 1
Oxidation wind be converted into basically identical small-sized oxidation wind bubble 7 of taking measurements greatly in slurries；Although nozzle 21 is in desulfurizing tower
One jiao of slurry pool 6, but agitator 4 can sweep along small-sized oxidation wind bubble 7 to its in slurries in liquid stream caused by bottom of pond
His region so that is full of uniform oxidation wind bubble 7 in whole slurries, improves oxidation wind and the contact area and oxygen of slurries
Residence time of the wind transmission bubble 7 in slurries, be advantageous to make full use of oxidation wind.Empirical tests, the oxidation wind of traditional single hose
The oxygen utilization efficiency of induction system is 15%~33%, and the oxygen utilization efficiency of the present embodiment is 25%~50%, oxygen profit
Significantly improved with efficiency.
Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting,
It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention
It should include within the scope of the present invention.
Claims (5)
- A kind of 1. array oxidation wind induction system, it is characterised in that：Including main pipeline, subtube, blower fan and agitator；Main pipeline is arranged on the pool wall of desulphurization tower slurry pool, and main pipeline gos deep into the slurries of desulphurization tower slurry pool；An end installation at least subtube, the subtube of main pipeline is provided with multiple nozzles along its length direction；Blower fan blasts oxidation wind into main pipeline；Agitator is arranged on the pool wall of desulphurization tower slurry pool.
- 2. array oxidation wind induction system according to claim 1, it is characterised in that：The subtube is horizontally disposed, Nozzle on subtube is down.
- 3. array oxidation wind induction system according to claim 2, it is characterised in that：The vertical height of the subtube Higher than agitator.
- 4. array oxidation wind induction system according to claim 3, it is characterised in that：The gross area of all nozzles is less than The sectional area of main pipeline.
- 5. array oxidation wind induction system according to claim 4, it is characterised in that：The main pipeline is consolidated by support The pool wall of desulphurization tower slurry pool is scheduled on, the main pipeline and subtube make by corrosion-resistant stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710998062.XA CN107670618A (en) | 2017-10-24 | 2017-10-24 | A kind of array oxidation wind induction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710998062.XA CN107670618A (en) | 2017-10-24 | 2017-10-24 | A kind of array oxidation wind induction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107670618A true CN107670618A (en) | 2018-02-09 |
Family
ID=61141519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710998062.XA Pending CN107670618A (en) | 2017-10-24 | 2017-10-24 | A kind of array oxidation wind induction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107670618A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115414776A (en) * | 2022-08-16 | 2022-12-02 | 安徽华电宿州发电有限公司 | Method for improving oxidation efficiency in wet desulphurization process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587057A (en) * | 2004-08-27 | 2005-03-02 | 北京国电龙源环保工程有限公司 | Forced oxidizing method and its device for smoke desulfurizing intermediate product-calcium sulfite |
| CN201930713U (en) * | 2011-02-10 | 2011-08-17 | 中电投远达环保工程有限公司 | Wet flue gas desulfurizer |
| CN103058351A (en) * | 2013-01-21 | 2013-04-24 | 青岛双瑞海洋环境工程股份有限公司 | Oxygen supply method and device suitable for ship emission seawater desulfurization |
| CN203183903U (en) * | 2013-01-21 | 2013-09-11 | 青岛双瑞海洋环境工程股份有限公司 | Oxygen supply device suitable for marine smoke emission seawater desulfurization |
| CN103710683A (en) * | 2014-01-09 | 2014-04-09 | 北京七星华创电子股份有限公司 | Source bottle applied to atomic layer deposition equipment |
| CN104226099A (en) * | 2014-08-19 | 2014-12-24 | 浙江大学 | Efficient desulfurization single-tower double-circulation system and method |
| CN204384948U (en) * | 2015-01-15 | 2015-06-10 | 江西麻山化工有限公司 | A kind of directed aerator |
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-
2017
- 2017-10-24 CN CN201710998062.XA patent/CN107670618A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1587057A (en) * | 2004-08-27 | 2005-03-02 | 北京国电龙源环保工程有限公司 | Forced oxidizing method and its device for smoke desulfurizing intermediate product-calcium sulfite |
| CN201930713U (en) * | 2011-02-10 | 2011-08-17 | 中电投远达环保工程有限公司 | Wet flue gas desulfurizer |
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| CN104226099A (en) * | 2014-08-19 | 2014-12-24 | 浙江大学 | Efficient desulfurization single-tower double-circulation system and method |
| CN204384948U (en) * | 2015-01-15 | 2015-06-10 | 江西麻山化工有限公司 | A kind of directed aerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115414776A (en) * | 2022-08-16 | 2022-12-02 | 安徽华电宿州发电有限公司 | Method for improving oxidation efficiency in wet desulphurization process |
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