CN107051177A - A kind of desulfurization and dedusting gas-liquid power eddy flow enhancing device - Google Patents
A kind of desulfurization and dedusting gas-liquid power eddy flow enhancing device Download PDFInfo
- Publication number
- CN107051177A CN107051177A CN201710433345.XA CN201710433345A CN107051177A CN 107051177 A CN107051177 A CN 107051177A CN 201710433345 A CN201710433345 A CN 201710433345A CN 107051177 A CN107051177 A CN 107051177A
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- CN
- China
- Prior art keywords
- core loop
- plate
- desulfurization
- eddy flow
- enhancing device
- 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.)
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Classifications
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- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D53/504—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 device
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of desulfurization and dedusting gas-liquid power eddy flow enhancing device, between the smoke inlet and spraying layer on absorption tower, including：Core loop plate, it is inclined on the circumferencial direction for absorbing inner wall of tower, and core loop plate one end is weldingly fixed on absorption inner wall of tower, and the bottom surface of the core loop plate other end is welded and fixed spacer bar, and spacer bar is welded and fixed with absorbing inner wall of tower；Core loop laying dust pipe, it is fixedly installed on the lower surface of core loop plate, and several core loop laying dust pipes are evenly distributed on the lower surface of core loop plate；Reaction cycle plate, its vertical welding is fixed on the upper surface of core loop plate, and several reaction cycle plates are evenly distributed on the upper surface of core loop plate, and reaction cycle plate is provided with several grooves；Reaction power hole, it is opened in the middle part of reaction cycle plate.Beneficial effects of the present invention：Desulfurization dust-removing efficiency is improved, while optimizing the Flow Field Distribution situation in absorption tower.
Description
Technical field
The present invention relates to desulfurization and dedusting technology field, in particular to a kind of desulfurization and dedusting gas-liquid power eddy flow synergy
Device.
Background technology
Limestone/lime-gypsum method desulfurization technology is that technology is most ripe in current sulfur method, practical application at most, fortune
The most stable of sulfur removal technology of row situation.Sweetening process is gas liquid reaction, and its desulphurization reaction speed is fast, and desulfuration efficiency is high, calcium utilization
Rate is high, when calcium sulfur ratio is equal to 1, can reach more than 90% desulfuration efficiency, the flue gas for being suitable for large-scale coal-fired power station boiler takes off
Sulphur.
In the prior art, limestone/lime-gypsum method desulfurization technology is to be inhaled with lime or lime stone slurry in absorption tower
Receive the SO of flue gas2Deng sour gas, dust etc., it is divided into absorption and two stages of oxidation.Generation calcium sulfite is first absorbed, then will
Calcium sulfite oxidation into calcium sulfate be gypsum.Absorption tower is the nucleus equipment in Wet Flue Gas Desulfurization Technique, and alkaline slurry passes through circulation
The nozzle of the spraying layer that different height is arranged in absorption tower is pumped to, slurries form substantial amounts of droplet simultaneously after being sprayed by nozzle
Falls downward, while the flue gas adverse current containing pollutant acid gas, dust is flowed up, during this period, gas-liquid two-phase is fully contacted
And sour gas, dust for containing in flue gas etc. are reacted, washed.
But existing absorption tower desulfurizing and dust removing unit, the SO escaped in absorption tower2Compare many, the SO in flue gas2Absorbing
Residence time is short in tower, the SO in flue gas2A point reaction can not be permitted with lime stone slurry, it is only 95% to cause desulfuration efficiency, is taken off
Sulphur outlet drain is flue dust, SO2Concentration of emission is respectively greater than 30,100 milligrams/cubic metre.Therefore, existing traditional desulfurization and dedusting
Device can not meet minimum discharge operation emission request.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of desulfurization and dedusting gas-liquid power eddy flow enhancing device,
Desulfurization dust-removing efficiency is improved, while optimizing the Flow Field Distribution situation in absorption tower.
The invention provides a kind of desulfurization and dedusting gas-liquid power eddy flow enhancing device, the desulfurization and dedusting gas-liquid power eddy flow
Enhancing device is located between the smoke inlet on absorption tower and spraying layer, the desulfurization and dedusting gas-liquid power eddy flow enhancing device bag
Include：
Core loop plate, it is inclined on the circumferencial direction for absorbing inner wall of tower, core loop plate one end welding
It is fixed on the absorption inner wall of tower, the bottom surface of the core loop plate other end is welded and fixed spacer bar, the supporting steel
Muscle is welded and fixed with the absorption inner wall of tower；
Core loop laying dust pipe, it is fixedly installed on the lower surface of the core loop plate, and several described cores are followed
Ring laying dust pipe is evenly distributed on the lower surface of the core loop plate；
Reaction cycle plate, its vertical welding is fixed on the upper surface of the core loop plate, and several described reactions are followed
Ring flat-plate is evenly distributed on the upper surface of the core loop plate, and several grooves are uniformly provided with the reaction cycle plate；
Reaction power hole, it is opened in the middle part of the reaction cycle plate.
As further improvement of the invention, the angle of inclination A of the core loop plate and horizontal direction is less than more than 0 degree
90 degree.
As further improvement of the invention, the angle of inclination A is 35 degree.
As further improvement of the invention, the spacer bar is triangular reinforced bar.
As further improvement of the invention, the core loop plate uses 2205 stainless steels.
Improved as of the invention further, the thickness of the core loop plate is that 10mm, width are that 450mm, length are small
Diameter in absorption tower.
As further improvement of the invention, the core loop laying dust pipe uses 316L stainless steels.
As further improvement of the invention, the nominal diameter DN of the core loop laying dust pipe is 65mm.
As further improvement of the invention, the reaction cycle plate uses 2205 stainless steels.
As further improvement of the invention, the thickness of the reaction cycle plate is 10mm.
Beneficial effects of the present invention are：
1st, by core loop laying dust pipe, it can fully adsorb in more flue gases and carry bulky grain in dirt and slurries
Lime stone or gypsum slurries；
2nd, by reaction cycle plate, reaction power hole, gas-liquid power circulation, desulfurization reagentia again are played；
3rd, desulfurization and dedusting gas-liquid power eddy flow enhancing device plays desulfurization and dedusting collaboration and puies forward efficiency power, core loop plate, core
Heart circulation laying dust pipe, reaction cycle plate, the mutual coordinated desulfurization dedusting in reaction power hole；Big in carrying dirt and slurries in flue gas
Grain lime stone or gypsum slurries by being able to most of removing after core loop laying dust pipe, meanwhile, flue gas passes through reaction cycle
After groove on plate, flue gas, which obtains rectification, can form uniform flow field, meanwhile, flue gas behind reaction power hole by that can increase
SO in the touch opportunity of flue gas and lime stone slurry, extension desulfuration absorbing tower in flue gas2With the reaction time of lime stone slurry,
So that the SO in desulfuration absorbing tower in flue gas2With the fully reaction again of lime stone slurry, it is ensured that emission limit is (i.e. after transformation
Under the conditions of benchmark oxygen content 6%)：Sulfur dioxide≤35 milligram/cubic metre, flue dust≤10 milligram/cubic metre).
Brief description of the drawings
Fig. 1 is a kind of structural representation of desulfurization and dedusting gas-liquid power eddy flow enhancing device described in the embodiment of the present invention.
In figure,
1st, inner wall of tower is absorbed；2nd, core loop plate；3rd, spacer bar；4th, core loop laying dust pipe；5th, reaction cycle plate；6、
Reaction power hole.
Embodiment
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment 1, as shown in figure 1, a kind of desulfurization and dedusting gas-liquid power eddy flow enhancing device of the embodiment of the present invention, desulfurization
Dedusting gas-liquid power eddy flow enhancing device is located between the smoke inlet on absorption tower and spraying layer, desulfurization and dedusting gas-liquid power eddy flow
Enhancing device includes：Core loop plate 2, core loop laying dust pipe 4, reaction cycle plate 5 and reaction power hole 6.
Core loop plate 2 is inclined on the circumferencial direction for absorbing inner wall of tower 1, and the one end of core loop plate 2 is welded and fixed
On inner wall of tower 1 is absorbed, the bottom surface of the other end of core loop plate 2 is welded and fixed in spacer bar 3, spacer bar 3 and absorption tower
Wall 1 is welded and fixed.Spacer bar 3 plays fixed effect, and to reach preferably fixed support effect, spacer bar 3 uses three
Angular reinforcing bar.The inclined angle of core loop plate 2 influences the effect of flue gas eddy flow, core loop plate 2 and the inclination of horizontal direction
Angle A should be greater than 0 degree and be less than 90 degree, and in order to reach preferable eddy flow effect, angle of inclination A selects 35 degree suitably.
Core loop laying dust pipe 4 is fixedly installed on the lower surface of core loop plate 2, several core loop laying dust pipes 4
On the lower surface for being evenly distributed on core loop plate 2.By core loop laying dust pipe 4, can fully it adsorb in more flue gases
The lime stone or gypsum slurries that carry bulky grain in dirt and slurries.
The vertical welding of reaction cycle plate 5 is fixed on the upper surface of core loop plate 2, and several reaction cycle plates 5 are uniform
On the upper surface for being distributed in core loop plate 2, several grooves are uniformly provided with reaction cycle plate 5.Several uniform gaps
Set so that flue gas is disturbed evenly around reaction cycle plate 5, and flue gas, which obtains rectification, can form uniform flow field.
Reaction power hole 6 is opened in the middle part of reaction cycle plate 5, and flue gas behind reaction power hole by that can increase flue gas and stone
SO in the touch opportunity of lime stone slurries, extension desulfuration absorbing tower in flue gas2With the reaction time of lime stone slurry so that desulfurization
SO in absorption tower in flue gas2With the fully reaction again of lime stone slurry.
Wherein, core loop plate 2 uses 2205 stainless steels, and thickness is that 10mm, width are that 450mm, length are less than absorption tower
Diameter (ensure flue gas can enter desulfurization and dedusting gas-liquid power eddy flow enhancing device).Core loop laying dust pipe 4 uses 316L
Stainless steel, nominal diameter DN is 65mm.Reaction cycle plate 5 uses 2205 stainless steels, and thickness is 10mm.
Flue gas is flowed up by absorbing tower bottom, before spraying layer, passes through the desulfurization and dedusting gas-liquid power eddy flow synergy
Device carries out desulfurization and dedusting collaboration and puies forward effect.Core loop plate, core loop laying dust pipe, reaction cycle plate, reaction power hole are mutual
Coordinated desulfurization dedusting.The lime stone or gypsum slurries that carry bulky grain in dirt and slurries in flue gas is by being arranged on core loop
Most of removing is able to after core loop laying dust pipe on plate ground；Carry the flue gas after dirt partial removal and bypass core loop plate
Afterwards, flue gas passes through several reaction cycle plates for being evenly arranged in core loop plate upper surface, the air-flow curled up is formed, by anti-
Answer after several grooves being uniformly arranged on circulation plates, flue gas, which obtains rectification, can form uniform flow field；Uniform flue gas
By that can increase behind reaction power hole in the touch opportunity of flue gas and lime stone slurry, extension desulfuration absorbing tower in flue gas
SO2With the reaction time of lime stone slurry so that the SO in desulfuration absorbing tower in flue gas2It is fully anti-again with lime stone slurry
Should, improve the removal efficiency of oxysulfide.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of desulfurization and dedusting gas-liquid power eddy flow enhancing device, it is characterised in that the desulfurization and dedusting gas-liquid power eddy flow increases
Imitate device to be located between the smoke inlet on absorption tower and spraying layer, the desulfurization and dedusting gas-liquid power eddy flow enhancing device includes：
Core loop plate (2), it is inclined on the circumferencial direction for absorbing inner wall of tower (1), described core loop plate (2) one end
It is weldingly fixed on the absorption inner wall of tower (1), the bottom surface of core loop plate (2) other end is welded and fixed spacer bar
(3), the spacer bar (3) is welded and fixed with the absorption inner wall of tower (1)；
Core loop laying dust pipe (4), it is fixedly installed on the lower surface of the core loop plate (2), several described cores
Circulation laying dust pipe (4) is evenly distributed on the lower surface of the core loop plate (2)；
Reaction cycle plate (5), its vertical welding is fixed on the upper surface of the core loop plate (2), several described reactions
Circulation plates (5) are evenly distributed on the upper surface of the core loop plate (2), the reaction cycle plate (5) if on be uniformly provided with
Dry groove；
Reaction power hole (6), it is opened in the middle part of the reaction cycle plate (5).
2. desulfurization and dedusting gas-liquid power eddy flow enhancing device according to claim 1, it is characterised in that the core loop
Plate (2) and the angle of inclination A of horizontal direction are more than 0 degree and are less than 90 degree.
3. desulfurization and dedusting gas-liquid power eddy flow enhancing device according to claim 2, it is characterised in that the angle of inclination
A is 35 degree.
4. desulfurization and dedusting gas-liquid power eddy flow enhancing device according to claim 1, it is characterised in that the spacer bar
(3) it is triangular reinforced bar.
5. desulfurization and dedusting gas-liquid power eddy flow enhancing device according to claim 1, it is characterised in that the core loop
Plate (2) uses 2205 stainless steels.
6. desulfurization and dedusting gas-liquid power eddy flow enhancing device according to claim 1, it is characterised in that the core loop
The thickness of plate (2) is that 10mm, width are that 450mm, length are less than the diameter on absorption tower.
7. desulfurization and dedusting gas-liquid power eddy flow enhancing device according to claim 1, it is characterised in that the core loop
Laying dust pipe (4) uses 316L stainless steels.
8. desulfurization and dedusting gas-liquid power eddy flow enhancing device according to claim 1, it is characterised in that the core loop
The nominal diameter DN of laying dust pipe (4) is 65mm.
9. desulfurization and dedusting gas-liquid power eddy flow enhancing device according to claim 1, it is characterised in that the reaction cycle
Plate (5) uses 2205 stainless steels.
10. desulfurization and dedusting gas-liquid power eddy flow enhancing device according to claim 1, it is characterised in that the reaction is followed
The thickness of ring flat-plate (5) is 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433345.XA CN107051177B (en) | 2017-06-09 | 2017-06-09 | Desulfurizing dust-removing pneumatic-hydraulic dynamic cyclone synergistic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710433345.XA CN107051177B (en) | 2017-06-09 | 2017-06-09 | Desulfurizing dust-removing pneumatic-hydraulic dynamic cyclone synergistic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107051177A true CN107051177A (en) | 2017-08-18 |
| CN107051177B CN107051177B (en) | 2023-07-25 |
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ID=59595239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710433345.XA Active CN107051177B (en) | 2017-06-09 | 2017-06-09 | Desulfurizing dust-removing pneumatic-hydraulic dynamic cyclone synergistic device |
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| CN106693656A (en) * | 2016-12-15 | 2017-05-24 | 四川君和环保股份有限公司 | Integrated efficient regional wet desulfurization and dust removal ultra-low emission device |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003334420A (en) * | 2002-05-21 | 2003-11-25 | Babcock Hitachi Kk | Wet exhaust gas desulfurization equipment |
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| Publication number | Publication date |
|---|---|
| CN107051177B (en) | 2023-07-25 |
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