CN203725003U - Novel sintering flue gas desulfurization and denitrification integrated equipment - Google Patents
Novel sintering flue gas desulfurization and denitrification integrated equipment Download PDFInfo
- Publication number
- CN203725003U CN203725003U CN201320876610.9U CN201320876610U CN203725003U CN 203725003 U CN203725003 U CN 203725003U CN 201320876610 U CN201320876610 U CN 201320876610U CN 203725003 U CN203725003 U CN 203725003U
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- CN
- China
- Prior art keywords
- flue gas
- gas desulfurization
- integration apparatus
- electrolytic cell
- denitrification
- 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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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model provides novel sintering flue gas desulfurization and denitrification integrated equipment which comprises an absorption tower 4, a gas-liquid re-separator 5, a liquid distributor 6, a demister 7, an electrolytic bath 8, an electrode 9, energy supply equipment 10, a ramp 11, a buffer tank 13 and a circulating pump 14. The integrated equipment disclosed by the utility model has the following advantages: (1) desulfurization and denitrification of sintering flue gas are integrated; (2) the desulfurization efficiency and the denitrification efficiency are achieved, and emission up to standard can be realized; (3) thorough SO2 and NOx conversion is complete, clean production is realized and secondary pollution is avoided; (4) the absorption liquid is recycled and the dosage of chemicals is reduced; (5) certain economic income is realized and high-quality sulfate is recovered.
Description
Technical field
The utility model relates to chemical industry, smelting and field of Environment Protection, is specifically related to a kind of novel sintered flue gas desulfurization, denitration device.
Background technology
The fast development that the progress of SINTERING PRODUCTION is steel and iron industry already and will continue to provide strong support.So-called sintering, is by various powdery iron-containing raw materials, allocates on request fuel and the solvent of some into, evenly after mixing granulation, is put into the sintering of lighting a fire on agglomerating plant.In SINTERING PRODUCTION, can produce a large amount of sinter fumes.Sinter fume contains multiple pollutant, is mainly particle, sulfur dioxide (SO
2), oxynitrides (NO
×), carbon dioxide (CO
2), tar etc.At present, the improvement of particle is undertaken by electric bag dust collection equipment, and dust removing effects is very good.Only have fraction sintering machine that desulfurization facility has been installed, but denitrating flue gas facility is not installed.Along with the fast development of steel and iron industry, develop to equipment enlarging, automation direction as the SINTERING PRODUCTION of powerful backing, certainly will produce more flue gas.For flue gas desulfurization in the near future, denitrating technique generally use the object that technology and equipment support and air cleaning, health are provided in SINTERING PRODUCTION, be necessary to design a kind of novel sintered flue gas desulfurization, denitrification integral equipment.
Utility model content
For sintering present situation in prior art and the requirement of sintering developing direction and national environmental protection from now on, the purpose of this utility model is to provide a kind of novel sintered flue gas desulfurization, denitrification integral equipment, to remove the SO in flue gas
2and NO
×, make its up to standard, clean emission.
The novel sintered flue gas desulfurization and denitrification integration apparatus providing according to the utility model, comprising: absorption tower 4, gas-liquid are divided device 5, liquid distributor 6, demister 7, electrolytic cell 8, electrode 9, energy supply equipment 10, ramp 11, dashpot 13, circulating pump 14 again;
On absorption tower 4, be provided with smoke inlet 1 and exhanst gas outlet 15; Gas-liquid divides device 5, liquid distributor 6, demister 7 to be arranged in absorption tower 4 again, and sets gradually from lower to upper between smoke inlet 1 and exhanst gas outlet 15;
Electrolytic cell 8 is positioned at the bottom on absorption tower 4, electrode 9 is arranged in electrolytic cell 8, energy supply equipment 10 connecting electrodes 9, be arranged on ramp 11 in absorption tower 4 between smoke inlet 1 and electrolytic cell 8, dashpot 13 is communicated with the bottom of electrolytic cell 8, and circulating pump 14 is arranged on the pipeline between dashpot 13 and liquid distributor 6.
Preferably, smoke inlet 1 comprises heat exchanger 2 and valve 3, and heat exchanger 2 is arranged on the front end of valve 3.
Preferably, heat exchanger 2 is surface-type heat exchanger or heat regenerator.
Preferably, liquid distributor 6 is fountain, tubular type or disc type liquid distributor.
Preferably, demister 7 is mesh mist eliminator, corrugated plating demister or cyclone demister.
Preferably, also comprise pH automatic adjusting-controlling table 12, pH automatic adjusting-controlling table 12 is arranged on the top of electrolytic cell 8, and pH automatic adjusting-controlling table 12 connects valve 3.
Preferably, smoke inlet 1 is for adopting gas pipe.
Preferably, described gas pipe is plate type gas distributing device, circular propagation pipe or screw type sieve plate gas pipe.
Preferably, in electrolytic cell 8, be filled with catalyst.
Preferably, catalyst is molecular screen material, diatomite material, zeolitic material or absorbent charcoal material.
Compared with prior art, the utlity model has following beneficial effect:
1) sintering flue gas desulfurization, denitrification integral;
2) desulphurization and denitration efficiency is high, completely qualified discharge;
3) SO
2and NO
×transform thoroughly, realize cleaner production, stop secondary pollution;
4) absorption liquid recycles, and reduces the input of medicament;
5) there is certain income, reclaim high-quality sulfate.
Brief description of the drawings
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
Fig. 1 is overall structure schematic diagram of the present utility model.
In figure:
1 is smoke inlet;
2 is heat exchanger;
3 is valve;
4 is absorption tower;
5 divide device again for gas-liquid;
6 is liquid distributor;
7 is demister;
8 is electrolytic cell;
9 is electrode;
10 is energy supply equipment;
11 is ramp;
12 is pH automatic adjusting-controlling table;
13 is dashpot;
14 is circulating pump;
15 is exhanst gas outlet.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is elaborated.Following examples will contribute to those skilled in the art further to understand the utility model, but not limit in any form the utility model.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement.These all belong to protection domain of the present utility model.
The technical scheme in the invention for solving the above technical problem is: the flue gas after electricity bag dust collecting process enters Novel desulphurization, denitrification integral equipment via smoke inlet, then passes through successively heat exchanger and valve access arrangement main body.The effect one of heat exchanger is to collect the heat that carries of high-temperature flue gas, the 2nd, make the flue gas cool-down of access arrangement main body, to meet the requirement of technique subsequently.In tower, flue gas is from bottom to top sailed against the current, absorption liquid from top to bottom spray and under, the two through contact absorb, flue gas is purified.Flue gas after purification enters atmosphere successively after demister and heat exchanger.The effect of demister is to reduce air-flow carrying secretly absorption liquid.Heat exchanger effect is herein to the flue gas after purifying, and reaches the requirement that smoke stack emission flue gas is raised.This heat exchanger is connected with entrance heat exchanger, and the heat energy of entrance heat exchanger is made full use of, and makes again inlet flue gas cooling simultaneously.Absorb SO
2and NO
×mixed liquor enter electrolytic cell.After electrolysis, the SO in mixed liquor
2and NO
×be separately converted to sulfate (SO
4 2-) and nitrogen (N
2), meanwhile, absorption liquid is reproduced.The absorption liquid of regeneration enters dashpot after pH auto-control equipment, after reclaim sulfuric acid salt, again enters absorption tower purifying smoke, moves in circles.
As described in Figure 1, the novel sintered flue gas desulfurization and denitrification integration apparatus that the utility model provides comprises: smoke inlet 1, absorption tower 4, gas-liquid are divided device 5, liquid distributor 6, demister 7, electrolytic cell 8, electrode 9, energy supply equipment 10, ramp 11, pH automatic adjusting-controlling table 12, dashpot 13, circulating pump 14, exhanst gas outlet 15 again.
Described smoke inlet 1, it is arranged on 4 bottoms, absorption tower, comprises heat exchanger 2 and valve 3, and plays the effect of even gas distribution, can realize with gas pipe.
Described heat exchanger 2, it is arranged on the pipe interior of smoke inlet 1, realizes energy recovery and flue gas cool-down.Available heat exchanger has surface-type heat exchanger, heat regenerator etc.
Described valve 3, it is arranged on smoke inlet 1, absorption liquid entrance, electrolyzer outlet and pH auto injection entrance.According to installation position and functional requirement, select different valves, such as pressure-regulating valve, magnetic valve, check-valves, butterfly valve etc.
Described absorption tower 4, it is for absorbing main body, and shape can be cylinder, also the side's of can be body; Material is determined according to flue gas and absorption liquid physical property.
Described gas-liquid is divided device 5 again, and it is between the smoke inlet 1 and liquid distributor 6 that are arranged at absorption tower 4.It is the contacts area that increase flue gas and absorption liquid that gas-liquid is divided the effect of device 5 again, improves gas-liquid mass transfer efficiency.Gas-liquid divides device various informative again, such as difformity filler, deflector etc.
Described liquid distributor 6, its effect is to be uniformly distributed absorption liquid.It is connected with absorption liquid import.Its function can realize with ripe liquid distributor, such as fountain, tubular type, disc type etc.
Described demister 7, it is positioned at the top on absorption tower 4, before exhanst gas outlet, plays the effect that reduces liquid in flue gas.Operable demister has corrugated plating demister, mesh mist eliminator etc.
Described electrolytic cell 8, it is arranged on the bottom on absorption tower 4, collects the mixed liquor absorbing after flue gas, by SO
2and NO
×thoroughly be converted into sulfate and nitrogen, the absorption liquid of simultaneously regenerating, recycles it, greatly reduces medicament and drops into.
Described electrode 9, it is the main body of electrolysis, is arranged in electrolytic cell 8.Its shape can be cylinder, cuboid etc.Material is determined according to the component of mixed liquor.Its quantity is determined according to technological parameter and mounting means can be any angle.
Described energy supply equipment 10, it act as electrolytic cell 8 electric energy is provided.
Described ramp 11, its curvature and length and width are according to the tower body on absorption tower 4 and the size of electrolytic cell 8 and determine.Effect is the mixed liquor of collecting drippage from absorption tower 4, and makes mixed liquor have certain speed to enter electrolytic cell 8, play the effect of stirring.
Described pH automatic adjusting-controlling table 12, it is arranged on the top of electrolytic cell 8, and effect is monitoring automatically and the pH that regulates absorption liquid.
Described dashpot 13, its effect is reclaim sulfuric acid salt, and absorption liquid after store regenerated.
Described circulating pump 14, its effect is the liquid distributor 6 that absorption liquid is transported to top, absorption tower from electrolytic cell 8, makes absorption liquid circulation absorption cleaning flue gas.
Above specific embodiment of the utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (10)
1. a novel sintered flue gas desulfurization and denitrification integration apparatus, it is characterized in that, comprising: absorption tower (4), gas-liquid are divided device (5), liquid distributor (6), demister (7), electrolytic cell (8), electrode (9), energy supply equipment (10), ramp (11), dashpot (13), circulating pump (14) again;
On absorption tower (4), be provided with smoke inlet (1) and exhanst gas outlet (15); Gas-liquid divides device (5), liquid distributor (6), demister (7) to be arranged in absorption tower (4) again, and sets gradually from lower to upper between smoke inlet (1) and exhanst gas outlet (15);
Electrolytic cell (8) is positioned at the bottom of absorption tower (4), electrode (9) is arranged in electrolytic cell (8), energy supply equipment (10) connecting electrode (9), the ramp (11) being arranged in absorption tower (4) is positioned between smoke inlet (1) and electrolytic cell (8), dashpot (13) is communicated with the bottom of electrolytic cell (8), and circulating pump (14) is arranged on the pipeline between dashpot (13) and liquid distributor (6).
2. novel sintered flue gas desulfurization and denitrification integration apparatus according to claim 1, is characterized in that, smoke inlet (1) comprises heat exchanger (2) and valve (3), and heat exchanger (2) is arranged on the front end of valve (3).
3. novel sintered flue gas desulfurization and denitrification integration apparatus according to claim 2, is characterized in that, heat exchanger (2) is surface-type heat exchanger or heat regenerator.
4. novel sintered flue gas desulfurization and denitrification integration apparatus according to claim 1, is characterized in that, liquid distributor (6) is fountain, tubular type or disc type liquid distributor.
5. novel sintered flue gas desulfurization and denitrification integration apparatus according to claim 1, is characterized in that, demister (7) is mesh mist eliminator, corrugated plating demister or cyclone demister.
6. novel sintered flue gas desulfurization and denitrification integration apparatus according to claim 2, it is characterized in that, also comprise pH automatic adjusting-controlling table (12), pH automatic adjusting-controlling table (12) is arranged on the top of electrolytic cell (8), and pH automatic adjusting-controlling table (12) connects valve (3).
7. novel sintered flue gas desulfurization and denitrification integration apparatus according to claim 1, is characterized in that, smoke inlet (1) is for adopting gas pipe.
8. novel sintered flue gas desulfurization and denitrification integration apparatus according to claim 7, is characterized in that, described gas pipe is plate type gas distributing device, circular propagation pipe or screw type sieve plate gas pipe.
9. novel sintered flue gas desulfurization and denitrification integration apparatus according to claim 1, is characterized in that, electrolytic cell is filled with catalyst in (8).
10. novel sintered flue gas desulfurization and denitrification integration apparatus according to claim 9, is characterized in that, catalyst is molecular screen material, diatomite material, zeolitic material or absorbent charcoal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876610.9U CN203725003U (en) | 2013-12-27 | 2013-12-27 | Novel sintering flue gas desulfurization and denitrification integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876610.9U CN203725003U (en) | 2013-12-27 | 2013-12-27 | Novel sintering flue gas desulfurization and denitrification integrated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203725003U true CN203725003U (en) | 2014-07-23 |
Family
ID=51195104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320876610.9U Expired - Fee Related CN203725003U (en) | 2013-12-27 | 2013-12-27 | Novel sintering flue gas desulfurization and denitrification integrated equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203725003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226097A (en) * | 2014-09-25 | 2014-12-24 | 杨新玉 | Oxidation spray purification device for waste gas in garbage disposal and operation method of oxidation spray purification device |
| CN107321177A (en) * | 2017-07-13 | 2017-11-07 | 华中科技大学 | A kind of method of the steady bed joint removing sintering various pollutants in fume of utilization magnetic |
-
2013
- 2013-12-27 CN CN201320876610.9U patent/CN203725003U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226097A (en) * | 2014-09-25 | 2014-12-24 | 杨新玉 | Oxidation spray purification device for waste gas in garbage disposal and operation method of oxidation spray purification device |
| CN104226097B (en) * | 2014-09-25 | 2016-08-17 | 杨新玉 | A kind of to the oxidation spray cleaning device of waste gas in refuse disposal and operational approach thereof |
| CN107321177A (en) * | 2017-07-13 | 2017-11-07 | 华中科技大学 | A kind of method of the steady bed joint removing sintering various pollutants in fume of utilization magnetic |
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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: 20140723 Termination date: 20171227 |