CN203620503U - Stirring-type wet-type stack desulfurization device of sintering machine - Google Patents
Stirring-type wet-type stack desulfurization device of sintering machine Download PDFInfo
- Publication number
- CN203620503U CN203620503U CN201320738362.1U CN201320738362U CN203620503U CN 203620503 U CN203620503 U CN 203620503U CN 201320738362 U CN201320738362 U CN 201320738362U CN 203620503 U CN203620503 U CN 203620503U
- Authority
- CN
- China
- Prior art keywords
- type
- stirring
- absorption
- slurry
- utility
- 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
Links
Images
Classifications
-
- 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
-
- 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
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a stirring-type wet-type stack desulfurization device of a sintering machine, belonging to the technical field of purification of exhausted smoke. The stirring-type wet-type stack desulfurization device of the sintering machine provided by the utility model comprises a sulfur dioxide absorption plant for removing sulfur dioxide from exhausted combustion smoke, a slurry tank for storing a absorption liquor, and a stirring type air flow distributing device for supplying air to the slurry tank, wherein the sulfur dioxide absorption plant comprises an absorption tower and a slurry circulating pump; a plurality of layers of shower pipes are arranged inside the absorption tower; the shower pipes are provided with a plurality of spray nozzles; the slurry circulating pump is used for supplying the absorption liquor to the shower pipes from the slurry tank, and the absorption liquor is sprayed out of the spray nozzles. The wet-type stack desulfurization device provided by the utility model can further enlarge the contact area between the air and the liquor on the premise of saving energy and can fully oxidize sulphite.
Description
Technical field
The utility model relates to a kind of sintering machine stirring-type wet type flue gas desulfurization equipment, relates in particular to a kind of energy-conservationly and can fully be oxidized the wet type flue gas desulfurization equipment of sulphite, belongs to smoke evacuation purification techniques field.
Background technology
The desulfurizer of the flue gas discharging of sintering machine of the prior art is mostly wet type, its principle is that agstone is added water and makes slurries and pump into absorption tower as absorbent and fully contact mixing with flue gas, calcium carbonate in sulfur dioxide and slurries in flue gas and the air blasting from tower bottom carry out oxidation reaction and generate calcium sulfate, calcium sulfate reaches after certain saturation degree, and crystallization forms dihydrate gypsum.The gypsum slurries of discharging through absorption tower, through concentrated, dehydration, makes its water content be less than 10%, then delivers to gypsum bunker with conveyer and stacks, and the flue gas after desulfurization is removed droplet again after heat exchanger heat temperature raising through demister, enters atmosphere by chimney.But adopt method of the prior art, the sulfite oxidation in slurry pool is insufficient.
Summary of the invention
For overcoming the shortcoming existing in prior art, goal of the invention of the present utility model is to provide a kind of sintering machine stirring-type wet type flue gas desulfurization equipment that can fully be oxidized sulphite.
For realizing described goal of the invention, the utility model provides a kind of wet type flue gas desulfurization equipment, and it comprises: apparatus for absorbing SO 2, and it is for removing sulfur dioxide from combustion exhaust gas; Slurry pool, it stores absorption liquid, and stirring-type air flow distribution device, and it supplies air to slurry pool.
Preferably, described sulphur dioxide absorption plant comprises: absorption tower and slurry circulating pump, in absorption tower, be provided with Multi-layer sprinkling pipe, and shower is provided with multiple spray nozzles, and slurry circulating pump is supplied with shower by absorption liquid from slurry pool, and absorption liquid sprays from spray nozzle.
Compared with prior art, the wet type flue gas desulfurization equipment that the utility model provides, can make the receiving area of air and absorption liquid expand, and makes sulfite oxidation more abundant.
Accompanying drawing explanation
Fig. 1 is the generalized section of the wet type flue gas desulfurization equipment that provides of the utility model;
Fig. 2 is the generalized section of the rotating spoon that provides of the utility model.
The specific embodiment
Describe the utility model in detail below in conjunction with accompanying drawing.
Fig. 1 is the generalized section of the wet type flue gas desulfurization equipment that provides of the utility model.As shown in Figure 1, the wet type flue gas desulfurization equipment that the utility model provides comprises: apparatus for absorbing SO 2, and it is for removing sulfur dioxide to generate sulphite from combustion exhaust gas; Slurry pool 10, the absorption liquid that its storage contains absorbent and sulphite; And stirring-type air flow distribution device, it supplies air to slurry pool and generates sulfate to be oxidized described sulphite.Stirring-type air flow distribution device comprises: rotation steam supply valve 9 and electro-motor 12.
Apparatus for absorbing SO 2 comprises absorption tower 6, slurry circulating pump 11 and pipe arrangement, demister 7 and turbulator 8 that absorption tower comprises housing and top to bottm arranges in housing.Turbulator comprises Multi-layer sprinkling pipe, and shower is provided with multiple spray nozzles.Combustion product gases is introduced from absorption tower, slurry circulating pump 11 is supplied with shower by absorption liquid (being made up of lime stone slurry, calcium sulfite slurries and gypsum slurries) from slurry pool 10, absorption liquid sprays from spray nozzle, after slurries contact with flue gas from bottom to top from top to bottom, accumulate turbosphere, the two fully contacts, the trifle in the world in washing flue gas, dissolve the sulfur dioxide in flue gas, sulfur dioxide and CaCO
3there is chemical reaction, generate CaSO
31/2H
2o is pooled to the slurry pool under absorption tower downwards., the sulfur dioxide SO in flue gas in absorption tower
2to remove principle as follows:
CaCO
3+SO
2+H
2O→CaSO
3·1/2H
2O+1/2?H
2O?+CO
2
CaSO
3·1/2H
2O+SO
2?+H
2O→Ca(HSO
3)
2+1/2?H
2O
By the middle transition reaction of the oxygen in flue gas and bisulfite, the calcium sulfite of part changes into gypsum, i.e. calcium sulphate dihydrate:
Ca(HSO
3)
2+1/2O
2+2?H
2O→CaSO
4·2H
2O?+?SO
2?+1/2H
2O
10 points of zoneofoxidations of slurry pool and crystal region, in zoneofoxidation, calcium sulfite and oxygen generation oxidation reaction, generate calcium sulfate.In this process, direct oxidation is less important, is mainly having reacted by calcium bisulfite and oxygen:
Ca(HSO
3)
2+1/2O
2+2?H
2O→CaSO
4·2H
2O?+?SO
2?+H
2O
For accelerating the Ca (HSO in slurry pool
3)
2with O
2reaction, arranges agitator 9 in slurry pool.PH value in slurry pool is by adding lime stone slurry to control, and the time that the reaction needed in slurry pool is enough looked for is so that gypsum can produce good gypsum crystallization CaSO
42H
2o, delivers to gypsum station by crystal region by excavationg pump.
In absorption tower and slurry pool, also there is other reaction master, as sulfur trioxide, hydrogen chloride, hydrofluoric acid react with calcium carbonate, generate the mixture of gypsum, calcirm-fluoride and/or calcium chloride.
Fig. 2 is the generalized section of the rotating spoon that provides of the utility model.As shown in Figure 2, rotating spoon comprises cylinder valve 2, be arranged in valve body and can be at the spool 1 of cylinder valve 2 interior rotations and three blades 13, the longitudinal cross-section of spool 1 be " in " shape, spool 1 comprises three cylinders that concentric is connected, cylinder is topmost the axle being driven by drive motors, the cylinder radius ratio two ends of middle one section much bigger, it is provided with 1 cannelure 4 concentric with the axle center of spool, the diameter of cylinder is bottom identical with the diameter of axle topmost, three blades are arranged on bottom the end of cylinder and angle is each other 120 degree, the axis that is parallel to spool on cylinder is bottom provided with n through hole 5(n >=2), one end of each through hole communicates with the cannelure 4 on middle cylinder, the other end is to downward-extension and run through vertically cylinder bottom, can also be disposed radially multiple through holes in the lower end of cylinder bottom, each through hole that radially arranges is communicated with through hole vertically.Valve body 2 has been disposed radially air hole 3, and it is corresponding with cannelure.
Wherein, the interlude cylinder of valve body and spool is made by high-abrasive material.Described high-abrasive material is selected from the one in following material: manganese steel, manganese alloy, carbon complex alloy steel and chrome alloy cast iron.
When work, the axle rotation of electrical motor driven spool, the axle of spool drives whole Spool rotating, thus three blade rotaries, blade stirs the absorption liquid rotation in slurry pool.Compressed air flows into the cannelure 4 of the middle cylinder of spool 1 by the through hole 3 of valve body simultaneously, then by n through hole 5 of the cylinder bottom on spool 1, compressed air is imported in absorption liquid, blade stirs absorption liquid and compressed air is dissolved in to absorption liquid, has accelerated the Ca (HSO in absorption liquid
3)
2with O
2reaction, generates CaSO
42H
2o.The utility model adopts motor to drive the blade of rotating spoon to stir in slurry pool, can accelerate compressed air and mix with slurries, thereby accelerate Ca (HSO in the importing slurry pool in also slurry pool
3)
2with O
2reaction.
Although below by reference to the accompanying drawings design of the present utility model and example have been done to elaborate; but those skilled in the art will be appreciated that; do not departing under the prerequisite of the present invention's design, any improvement of making based on the utility model and conversion still belong to the content in protection domain of the present invention.
Claims (1)
1. a sintering machine stirring-type wet type flue gas desulfurization equipment, it comprises: apparatus for absorbing SO 2, it is for removing sulfur dioxide from combustion exhaust gas; Slurry pool, it stores absorption liquid, and stirring-type air flow distribution device, it supplies air to slurry pool, described apparatus for absorbing SO 2 comprises: absorption tower and slurry circulating pump, in absorption tower, be provided with Multi-layer sprinkling pipe, and shower is provided with multiple spray nozzles, slurry circulating pump is supplied with shower by absorption liquid from slurry pool, and absorption liquid sprays from spray nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738362.1U CN203620503U (en) | 2013-11-21 | 2013-11-21 | Stirring-type wet-type stack desulfurization device of sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738362.1U CN203620503U (en) | 2013-11-21 | 2013-11-21 | Stirring-type wet-type stack desulfurization device of sintering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203620503U true CN203620503U (en) | 2014-06-04 |
Family
ID=50807030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320738362.1U Expired - Fee Related CN203620503U (en) | 2013-11-21 | 2013-11-21 | Stirring-type wet-type stack desulfurization device of sintering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203620503U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566748A (en) * | 2013-11-21 | 2014-02-12 | 航天环境工程有限公司 | Stirring wet type exhaust smoke desulfurization device for sintering machine |
| CN105194958A (en) * | 2015-11-03 | 2015-12-30 | 陈海涛 | Multistage wet type efficient combined dust remover for smelting furnace |
| CN106268254A (en) * | 2016-08-26 | 2017-01-04 | 合肥合意环保科技工程有限公司 | A kind of sintering machine stirring-type wet type flue gas desulfurization equipment |
-
2013
- 2013-11-21 CN CN201320738362.1U patent/CN203620503U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566748A (en) * | 2013-11-21 | 2014-02-12 | 航天环境工程有限公司 | Stirring wet type exhaust smoke desulfurization device for sintering machine |
| CN105194958A (en) * | 2015-11-03 | 2015-12-30 | 陈海涛 | Multistage wet type efficient combined dust remover for smelting furnace |
| CN106268254A (en) * | 2016-08-26 | 2017-01-04 | 合肥合意环保科技工程有限公司 | A kind of sintering machine stirring-type wet type flue gas desulfurization equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201880482U (en) | Stepped spray tower for desulfurization by ammonia method | |
| CN104383798B (en) | A kind of purification-recovery system of flue gas desulfurization and denitrification | |
| CN102489132B (en) | Novel dual-alkali desulfurization method for removal of sulfur dioxide from flue gas and generation of elemental sulfur as byproduct | |
| CN102188897B (en) | Wet flue gas desulfurization and denitrification combined method | |
| CN105311946A (en) | Flue gas denitration and desulfuration washing system and denitration and desulfuration method | |
| CN203620503U (en) | Stirring-type wet-type stack desulfurization device of sintering machine | |
| CN106731632A (en) | The device and its technique of a kind of zinc oxide removing sulfur dioxide in flue gas | |
| CN110479077A (en) | A kind of ammonia process of desulfurization oxidation unit and method | |
| CN103566748B (en) | Stirring wet type exhaust smoke desulfurization device for sintering machine | |
| CN206229197U (en) | One kind layering component single cycle spray desulphurization system | |
| CN201510842U (en) | Double-loop hollow tower spray and tower body demisting air flue integrating device | |
| CN103721551B (en) | Boiler flue gas desulfurization, denitration, demercuration integrated purifying equipment | |
| CN206355802U (en) | A kind of hydrogen peroxide method flue gas desulfurization processing system | |
| CN109529578A (en) | The process unit and process of hydrogen sulfide and sulfur dioxide liquid phase reactor desulfurization | |
| CN102210967A (en) | Two-stage treatment wet desulphurization method for high-sulfur coal-fired flue gas | |
| CN106422712A (en) | High-pressure spray desulfurization, denitration and dust removal method | |
| CN204093298U (en) | A kind of desulfurizing tower spiral-flow type agitating device based on gypsum lime method | |
| CN101450279B (en) | Bubble tower as desulfurizer and use thereof | |
| CN205361029U (en) | Flue gas denitration desulfurization washing system | |
| CN201930713U (en) | Wet flue gas desulfurizer | |
| CN201366311Y (en) | Oxygen supply stirring device utilizing calcium hydroxide for desulphurization occasions | |
| CN204601975U (en) | Dust-removal and desulfurizing denitration oxidation tank | |
| CN100556511C (en) | Wet method flue gas-desulfurizing absorption tower with dual speed sprinkling and desulfurizing absorption method thereof | |
| CN210645857U (en) | Ammonia desulphurization oxidation device | |
| CN104826464B (en) | Novel acidic gas treating process and apparatus |
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 |
Granted publication date: 20140604 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |