CN206295800U - A kind of semi-dry flue gas desulfurization device - Google Patents
A kind of semi-dry flue gas desulfurization device Download PDFInfo
- Publication number
- CN206295800U CN206295800U CN201621427395.4U CN201621427395U CN206295800U CN 206295800 U CN206295800 U CN 206295800U CN 201621427395 U CN201621427395 U CN 201621427395U CN 206295800 U CN206295800 U CN 206295800U
- Authority
- CN
- China
- Prior art keywords
- desulfurization
- flue gas
- absorption tower
- fume
- reative cell
- 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
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 86
- 230000023556 desulfurization Effects 0.000 title claims abstract description 76
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000003546 flue gas Substances 0.000 title claims abstract description 46
- 239000003517 fume Substances 0.000 claims abstract description 48
- 238000010521 absorption reaction Methods 0.000 claims abstract description 38
- 239000000779 smoke Substances 0.000 claims abstract description 23
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 18
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 18
- 239000004571 lime Substances 0.000 claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 9
- 235000019504 cigarettes Nutrition 0.000 claims description 5
- 230000003009 desulfurizing effect Effects 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 4
- 229910052925 anhydrite Inorganic materials 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000000505 pernicious effect Effects 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 239000011575 calcium Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model is a kind of semi-dry flue gas desulfurization device, including fume desulfurating absorption tower, flue to be desulfurization, lime slurry inlet tube and desulfurization fume outlet, and described fume desulfurating absorption tower epimere is reative cell, hypomere is ash bucket, it is characterised in that：Described desulfurizer is also including the high speed rotary atomizer at the top of absorption tower, top smoke distributor and the center smoke distributor located at absorption tower medium position, described center smoke distributor is located at the lower section of high speed rotary atomizer, and connect flue gas pipeline to be desulfurization, by in the reative cell of flue gas to be desulfurization feeding fume desulfurating absorption tower epimere, the described lime slurry inlet tube of described high speed rotary atomizer connection, desulphurization reaction is carried out in the reative cell that the desulfuration absorbing tower is entered after lime slurry is atomized with flue gas to be desulfurization.The utility model desulfuration efficiency can reach more than 95%, and simple structure, and cost of investment is small, save operation expense, be a kind of novel desulphurization equipment of economical and efficient.
Description
Technical field
The utility model is related to a kind of flue gas desulfurization device, particularly discloses a kind of semi-dry flue gas desulfurization device, application
Flue gas desulfurization after thermal power plant's fossil fuel burning.
Background technology
Existing desulfurization technology：Mainly lime stone --- gypsum wet desulfurization technology, in addition with fluid-bed sweetening technology,
Other desulfurization technologies such as sea water desulfuration technology, ammoniacal liquor, the scope of application of every kind of desulfurization technology is had nothing in common with each other.But existing desulfurization
In technology, desulfurized effect is good, general all system complex of stable performance, and investment operating cost is high, and technology is simple, invest into
This few, general technology poor performance, wastes raw material, cannot also meet practical application needs.
Flue-gas dust-removing and desulfurization both at home and abroad in dry method, semidry process is generally combined using desulfurizing tower, flue gas conditioning at present
Dust-removal and desulfurizing operation is completed after the connection of the equipment such as formula cyclone dust removal and combined type Venturi tube, couples Structure of need part and pipeline phase
Connection, there is big unitary function, resistance, complex structure in this kind of split modular structure, floor space is big, equipment investment is big, energy
The shortcomings of consumption is high, efficiency of dust collection is low, operating cost is high.
The content of the invention
The purpose of this utility model is the defect for solving prior art, designs a kind of semi-dry flue gas desulfurization device, is used
High speed rotary atomizer forms the desulfurization environment of similar wet method in fume desulfurating absorption tower, realizes that good desulfurization is technical
Can, while the device configuration before and after desulfurization is fairly simple, easy to maintenance, investment operating cost is relatively low.
What the utility model was realized in：A kind of semi-dry flue gas desulfurization device, including fume desulfurating absorption tower, wait to take off
Sulphur flue, lime slurry inlet tube and desulfurization fume outlet, described fume desulfurating absorption tower epimere is reative cell,
Hypomere is ash bucket, it is characterised in that：Described desulfurizer also includes the high speed rotation mist at the top of fume desulfurating absorption tower
Change device, top smoke distributor and the center smoke distributor located at absorption tower medium position, described center smoke distributor
Located at the lower section of high speed rotary atomizer, and flue gas pipeline to be desulfurization is connected, flue gas to be desulfurization is sent into fume desulfurating absorption tower
In the reative cell of epimere, the described lime slurry inlet tube of described high speed rotary atomizer connection, after lime slurry is atomized
Desulphurization reaction is carried out in into the reative cell of the desulfuration absorbing tower with flue gas to be desulfurization, described ash bucket side wall is provided with to be desulfurization
Gas approach, is additionally provided with desulfurization fume outlet on described ash bucket side wall, desulfurization fume outlet is connected, by desulfurization
The deduster that flue gas feeding fume desulfurating absorption tower is connected below.
Described flue gas to be desulfurization comes from boiler, leads up to center smoke distributor and enters in reative cell, another a-road-through
The top smoke distributor for crossing fume desulfurating absorption tower top setting enters in described reative cell.
SO in the flue gas to be desulfurization2With pernicious gas and lime slurry desulfurizing agent Ca (OH)2Reaction, generates CaSO3With
CaSO4Particle, with the discharge fume desulfurating absorption tower of desulfurization fume after, then by deduster by the dust in desulfurization fume
Grain is collected, and neat stress is discharged by chimney.
The dust produced after desulphurization reaction in described fume desulfurating absorption tower falls into fume desulfurating absorption tower hypomere
In ash bucket, the lime-ash set by the hopper bottom is exported to be cleared up.
Absorption tower system is the core of whole FGD, and desulphurization reaction is carried out within the system.The utility model is by adopting
High-temperature flue gas are fully contacted after lime slurry is atomized into fine drop and thermal power plant stove with high speed rotary atomizer, flue gas
In acidic materials chemically reacted with lime, the solid product of stabilization is generated, while high-temperature flue gas and drop carry out heat
Exchange, drop absorption heat of vaporization becomes steam, flue gas releases temperature reduction after heat；By complicated heat and mass transfer process,
Reach flue gas desulfurization purpose.
The beneficial effects of the utility model are：Desulfurization is carried out using the utility model, desulfuration efficiency can reach 95% with
On, flue gas after desulfurization is dried, and does not have corrosivity, and desulfurization product can be collected by deduster well, it is ensured that the acid of flue gas
Matter and dust can qualified discharges.Calcium sulfur ratio very little required for the utility model, and simple structure, cost of investment are small, save
Operation expense, is a kind of novel desulphurization equipment of economical and efficient.
Brief description of the drawings
Fig. 1 is structure schematic diagram of the present utility model.
In figure：1st, fume desulfurating absorption tower；2nd, reative cell；3rd, ash bucket；4th, high speed rotary atomizer；5th, cigarette to be desulfurization
Gas central inlet pipe；6th, center smoke distributor；7th, desulfurization fume outlet；8th, lime slurry inlet tube；9th, top cigarette
Qi leel orchestration；10th, lime-ash outlet；11st, flue gas top entry pipe to be desulfurization.
Specific embodiment
With reference to the accompanying drawings, the utility model includes fume desulfurating absorption tower 1, the high speed rotary atomizer at the top of absorption tower
4（Rotating speed is about 10000 turns per minute）And located at the top smoke distributor 9 of fume desulfurating absorption tower 1 and the center of medium position
Smoke distributor 6.Described center smoke distributor 6 connects flue gas to be desulfurization located at the lower section of high speed rotary atomizer 4
Heart inlet tube 5.Gas approach to be desulfurization is provided with the side wall of ash bucket 3 of the hypomere of fume desulfurating absorption tower 1, flue gas center to be desulfurization enters
Mouth pipe 5 is stretched into the fume desulfurating absorption tower 1 by this import.Described center smoke distributor 6 is equal by flue gas to be desulfurization
Send into evenly in the reative cell 2 of the epimere of fume desulfurating absorption tower 1.The ash bucket 3 is setting the opposite side of gas approach to be desulfurization
Side wall on desulfurization fume outlet 7 is set, by the feeding deduster below of desulfurization fume.
The described connection lime slurry of high speed rotary atomizer 4 inlet tube 8, participates in the lime slurry of desulphurization reaction by height
Fast rotary atomizer 4 is atomized into after fine drop in the reative cell 2 for entering the desulfuration absorbing tower 1.Described center flue gas point
Orchestration 4 is simultaneously from the flue gas to be desulfurization of boiler by another to the flue gas to be desulfurization from boiler is passed through in described reative cell 2
The top smoke distributor 9 that flue gas top entry pipe 11 to be desulfurization is directly set from the top of fume desulfurating absorption tower 1 all the way（Treat
Desulfurization fume top entry）Into in described reative cell 2, it is passed through from top smoke distributor 9 and center smoke distributor 6
Lime slurry after the atomization that flue gas to be desulfurization sprays in reative cell 2 with high speed rotary atomizer 4 proceeds by reaction.Through de-
The dust produced after reaction of Salmon-Saxl is fallen into the ash bucket 3 of the hypomere of fume desulfurating absorption tower 1, the ash set by the bottom of the ash bucket 3
Slag outlet 10 is cleared up.
Flue gas to be desulfurization enters reative cell 2 by center smoke distributor 6 and top smoke distributor 9, makes cigarette to be desulfurization
Gas uniform rational distribution, the lime white sprayed with the high speed rotary atomizer 4 for being arranged in tower top in fume desulfurating absorption tower 1
Drop is sufficiently mixed, the SO in flue gas to be desulfurization2With other pernicious gases and desulfurizing agent Ca (OH)2Reaction, generates CaSO3With
CaSO4Particle, with can be by deduster by the dust in desulfurization fume after the discharge fume desulfurating absorption tower of desulfurization fume
Grain is collected, and neat stress is discharged by chimney.
After tested, the utility model is in Kingsoft 2 × 75t/h of thermoelectricity flue gas desulfurization experiment, desulfuration efficiency can reach 95% with
On, cost of investment saves 40% than existing other desulfurization technologies, and operation expense saves about 20%, is a kind of high-efficiency and economic
Desulphurization plant.
Claims (4)
1. a kind of semi-dry flue gas desulfurization device, including fume desulfurating absorption tower, flue to be desulfurization, lime slurry inlet tube
Desulfurization fume outlet, described fume desulfurating absorption tower epimere is reative cell, hypomere is ash bucket, it is characterised in that：Institute
The desulfurizer stated also including the high speed rotary atomizer at the top of fume desulfurating absorption tower, top smoke distributor and is located at
The center smoke distributor of absorption tower medium position, described center smoke distributor is located at the lower section of high speed rotary atomizer,
And flue gas pipeline to be desulfurization is connected, flue gas to be desulfurization is sent into the reative cell of fume desulfurating absorption tower epimere, described high speed
The described lime slurry inlet tube of rotary atomizer connection, into the reative cell of the desulfuration absorbing tower after lime slurry is atomized
Interior to carry out desulphurization reaction with flue gas to be desulfurization, described ash bucket side wall is provided with gas approach to be desulfurization, on described ash bucket side wall
Desulfurization fume outlet is additionally provided with, desulfurization fume outlet is connected, after desulfurization fume is sent into fume desulfurating absorption tower
The deduster of face connection.
2. a kind of semi-dry flue gas desulfurization device according to claim 1, it is characterised in that：Described flue gas to be desulfurization
From boiler, lead up to center smoke distributor and enter in reative cell, separately lead up to the fume desulfurating absorption tower top
The top smoke distributor of setting enters in described reative cell.
3. a kind of semi-dry flue gas desulfurization device according to claim 1 or 2, it is characterised in that：The cigarette to be desulfurization
SO in gas2With pernicious gas and lime slurry desulfurizing agent Ca (OH)2Reaction, generates CaSO3And CaSO4Particle, with desulfurization cigarette
After gas discharge fume desulfurating absorption tower, then the dust granules in desulfurization fume are collected by deduster, neat stress leads to
Cross chimney discharge.
4. a kind of semi-dry flue gas desulfurization device according to claim 1, it is characterised in that：Described flue gas desulfurization is inhaled
Receive the dust produced after desulphurization reaction in tower to fall into the ash bucket of fume desulfurating absorption tower hypomere, set by the hopper bottom
The lime-ash outlet put is cleared up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427395.4U CN206295800U (en) | 2016-12-23 | 2016-12-23 | A kind of semi-dry flue gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427395.4U CN206295800U (en) | 2016-12-23 | 2016-12-23 | A kind of semi-dry flue gas desulfurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206295800U true CN206295800U (en) | 2017-07-04 |
Family
ID=59204048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621427395.4U Expired - Fee Related CN206295800U (en) | 2016-12-23 | 2016-12-23 | A kind of semi-dry flue gas desulfurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206295800U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621693A (en) * | 2019-01-28 | 2019-04-16 | 淮阴工学院 | The compound desulphurization system of flue gas |
| CN109731457A (en) * | 2019-02-20 | 2019-05-10 | 南京金瀚环保科技有限公司 | A kind of flue gas step desulfurizer and its sulfur method |
| CN109847554A (en) * | 2019-01-28 | 2019-06-07 | 淮阴工学院 | Middle high-sulfur flue gas compound desulfurizing process |
-
2016
- 2016-12-23 CN CN201621427395.4U patent/CN206295800U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621693A (en) * | 2019-01-28 | 2019-04-16 | 淮阴工学院 | The compound desulphurization system of flue gas |
| CN109847554A (en) * | 2019-01-28 | 2019-06-07 | 淮阴工学院 | Middle high-sulfur flue gas compound desulfurizing process |
| CN109731457A (en) * | 2019-02-20 | 2019-05-10 | 南京金瀚环保科技有限公司 | A kind of flue gas step desulfurizer and its sulfur method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170704 |