CN203417596U - Desulfurizer - Google Patents
Desulfurizer Download PDFInfo
- Publication number
- CN203417596U CN203417596U CN201320447533.5U CN201320447533U CN203417596U CN 203417596 U CN203417596 U CN 203417596U CN 201320447533 U CN201320447533 U CN 201320447533U CN 203417596 U CN203417596 U CN 203417596U
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- CN
- China
- Prior art keywords
- digester
- tank
- pipeline
- water
- flue gas
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- 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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Abstract
The utility model discloses a desulfurizer and belongs to the technical field of flue gas desulfurization equipment. The desulfurizer comprises a desulfurization tank pipeline (1), a desulfurization tank (2), an overflow trough (3), a flow guide groove (4) and the like, wherein the desulfurization tank pipeline (1) is connected with the desulfurization tank (2); a down-flow nozzle is arranged at the top of the desulfurization tank through a liquid inlet pipe (8); the down-flow nozzle is used for spray cooling the exhaust gas entering the desulfurization tank, the reaction product of SO2 in the exhaust gas with water is poured into the flow guide groove (4) through the overflow trough (3) and precipitated, and the separated clear water in a clear liquid tank (6) is pumped into the down-flow nozzle of the liquid inlet pipe (8) at the top of the desulfurization tank via a submerged pump (7) for spraying, so that the exhaust gas is cooled, the dust load of the exhaust gas is reduced, and the cyclic utilization of the water resource is realized; the gas spills over the desulfurization tank (2) after the exhaust gas reacts with water in the desulfurization tank (2) and is discharged from a chimney (11) after passing through a pipeline (9) and demisting grids (10). The desulfurizer is high in desulfurization efficiency, small in occupied area, simple in technology and low in equipment investment.
Description
Technical field
The utility model relates to a kind of desulfurizer, and this device carries out desulfurization processing for blast furnace dedusting ash being carried to the flue gas of zinc processing project generation, belongs to flue gas desulfurization device technical field.
Background technology
What in fume desulphurization method, the most ripe, the practical achievement of technology was maximum at present, operation conditions is the most stable is lime-gypsum wet sulfur removal technology, and its main equipment generally adopts desulfurizing tower.And utilize blast furnace dedusting ash to carry zinc, process project, due to measuring seldom containing S in raw material, so the SO in flue gas
2content is not high, if utilize desulfurizing tower smoke treatment, not only investment is large, and floor space is large.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, desulfurization principle with reference to desulfurizing tower, adopt Wet Flue Gas Desulfurization Technique, provide a kind of and process to utilizing blast furnace dedusting ash to carry zinc the desulfurizer that the rear flue gas producing carries out desulfurization processing, it has advantages of, and desulfuration efficiency is high, floor space is little, technique is simple, cost is low.
The technical scheme that the utility model provides is,
A desulfurizer, this device comprises tapping valve at the bottom of digester pipeline, digester, overflow launder, guiding gutter, slurry pool, clean solution tank, submerged pump, feed tube, pipeline, demist grid, chimney and tank.
Flue gas passes into digester by air-introduced machine through digester pipeline, SO
2absorption liquid is Ca (OH)
2;
Described digester top is provided with feed tube, and liquid water passes into digester through feed tube.Described feed tube is furnished with following current nozzle, water is sprayed with cooled flue gas, and effectively reduce dust content.
Described overflow launder is located at digester one end, and the reactant in digester flows into guiding gutter through it.The a large amount of absorption also of lime white in described guiding gutter reacted with the reactant of water with the flue gas of deriving from digester, generation calcium sulfite water, and flow in slurry pool and precipitate.After calcium sulfite water precipitates in described slurry pool, the water of clarification injects clean solution tank from slurry pool top.The water of described clean solution tank pumps into the described feed tube at digester top through submerged pump.Digester and chimney ask and be provided with pipeline, the gas that in digester, flue gas overflows after reacting with water via pipeline to flowing to chimney.In described pipeline, be provided with demist grid, to flowing to the gas of chimney, carry out processed.
At the bottom of described tank, tapping valve is regularly discharged the impurity at the bottom of digester.
The utility model is by flue gas is passed in digester by pipeline, and digester top arranges following current nozzle and carries out spraying cooling flue gas, and effectively reduces dust content.SO
2in digester, react with water and generate H
2sO
3, H
2sO
3by overflow launder, flowed into after reacting with lime slurry in guiding gutter and absorbed in a large number, the calcium sulfite water of generation enters in slurry pool and precipitates, and the water of clarification flows into clean solution tank, utilizes submerged pump to pump in digester top following current nozzle and recycles.The gas overflowing in tank enters smokejack after dewatering by demist grid, then discharges by chimney.At the bottom of tank, tapping valve is regularly discharged the impurity at the bottom of digester.
During with existing desulfurization main equipment desulfurizing tower desulfurization, flue gas and lime slurry reacting phase ratio in desulfurizing tower, this utility model has that desulfuration efficiency is high, floor space is little, the advantage that technique is simple, equipment investment is little.
Accompanying drawing explanation
Fig. 1 is the utility model profile 1.
Fig. 2 is the utility model profile 2.
Fig. 3 is the utility model planar structure schematic diagram.
In accompanying drawing, tapping valve at the bottom of 1-digester pipeline, 2-digester, 3-overflow launder, 4-guiding gutter, 5-slurry pool, 6-clean solution tank, 7-submerged pump, 8-feed tube, 9-pipeline, 10-demist grid, 11-chimney, 12-tank.
The specific embodiment
Below in conjunction with drawings and Examples, further illustrate the utility model.
Fig. 1 is the utility model profile 1.Fig. 2 is the utility model profile 2.Fig. 3 is the utility model planar structure schematic diagram.In accompanying drawing, 1 be digester pipeline, 2 for digester, 3 for overflow launder, 4 for guiding gutter, 5 for slurry pool, 6 for clean solution tank, 7 for submerged pump, 8 for feed tube, 9 for pipeline, 10 for demist grid, 11 for chimney, 12 be tapping valve at the bottom of tank.As shown in Figure 1, Figure 2, Figure 3 shows,, this device comprises: tapping valve 12 at the bottom of digester pipeline 1, digester 2, overflow launder 3, guiding gutter 4, slurry pool 5, clean solution tank 6, submerged pump 7, feed tube 8, pipeline 9, demist grid 10, chimney 11 and tank.After described digester pipeline 1 is arranged in sack cleaner, will send into desulfurizer from carrying the zinc stove flue gas after sedimentation, cooling and dedusting out.Described digester 2, arranges following current nozzle the flue gas entering in digester is carried out to spraying cooling, and effectively reduce the dustiness of flue gas at its top.The SO of flue gas
2in tank, react with water, reacted product injects guiding gutter 4 by overflow launder 3.Lime white in described guiding gutter 4 absorbs the reactant flowing out from digester in a large number, generates calcium sulfite water and enters precipitation in slurry pool 5.
Described clean solution tank 6 is for holding the clear water through precipitating and isolating from slurry pool 5.Clear water sprays in submerged pump 7 pumps into the following current nozzle of tank item feed tube 8, can cooled flue gas, reduce dust content, reached again recycling of water resource simultaneously.Described demist grid 10 is arranged in pipeline 9, and in digester, reacted flue gas enters after pipeline 9, through the dehydration of demist grid 10, can directly discharge via chimney 11.At the bottom of described tank, tapping valve 12 is regularly discharged the impurity at 2 ends of digester.The utility model is to SO
2desulfurization degree more than 80%, flue dust clearance is more than 20%, and its concentration of emission and discharge capacity can reach the requirement of < < industrial furnace atmosphere pollutants emission standards > > (GB9078-1996) secondary standard completely.
The utility model is the device that integrates flue gas desulfurization, cooling, dedusting, containing SO
2flue gas in digester pipeline 1 passes into digester 2, and react and generate H with water in digester
2sO
3, reactant generates H
2sO
3by guiding gutter 4, react with lime white wherein and generate calcium sulfite water and enter Chi Dian in slurry pool 5.Water through following current nozzle spray and under, to reacting rear flue gas, played effect cooling, dedusting.The detailed process of the utility model work is: flue gas is from passing into digester 2 through digester pipeline 1 by air-introduced machine, water enters in digester 2 through the following current nozzle spray of digester 2 top feed tubes 8, water in digester did not have after digester pipeline 1, the SO in flue gas
2react in digester 2 with water, reactant is absorbed in a large number after reacting with lime slurry in overflow launder 3 inflow guiding gutters 4, the calcium sulfite water generating enters precipitation in slurry pool 5, the water of clarification flows into clean solution tank 6, utilize submerged pump 7 to pump in the following current nozzle of tank deck feed tube 8 and spray, cooled flue gas, reduce dust content.The gas overflowing in digester 2 enters smokejack by digester after the demist grid 10 in the pipeline 9 of chimney dewaters, and by chimney 11, discharges.At the bottom of tank, tapping valve 12 is regularly discharged the impurity at 2 ends of digester.
The utility model desulfuration efficiency is high, floor space is little, technique is simple, cost is low.
In this description, the utility model is described with reference to its specific embodiment, still, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, description of the present utility model and accompanying drawing are considered to illustrative and nonrestrictive.
Claims (4)
1. a desulfurizer, it is characterized in that, this desulfurizer comprises digester pipeline (1), digester (2), overflow launder (3), guiding gutter (4), slurry pool (5), clean solution tank (6), feed tube (8), pipeline (9), chimney (11);
From carrying the zinc stove flue gas after sedimentation, cooling and dedusting out, enter digester pipeline (1);
Digester pipeline (1) is connected with described digester (2); Described digester (2) is provided with following current nozzle at its top by feed tube 8, and following current nozzle carries out spraying cooling to the flue gas entering in digester, and reduces the dustiness of flue gas, the SO of flue gas
2in tank, react with water, reacted product injects guiding gutter 4 by overflow launder 3;
Described guiding gutter contains lime white in (4), and lime white absorbs the reactant flowing out from digester, generates calcium sulfite water and enters precipitation in slurry pool (5); Clear water through precipitating and isolating in slurry pool (5) flows into clean solution tank (6);
Described digester (2) and chimney ask and be provided with pipeline (9), and the gas overflowing after the interior flue gas of digester (2) reacts with water is directly discharged by chimney (11) after described pipeline (9).
2. a kind of desulfurizer according to claim 1, it is characterized in that, this desulfurizer also contains submerged pump (7), clear water sprays in described submerged pump (7) pumps into the following current nozzle of tank deck feed tube (8) in clean solution tank (6), can cooled flue gas, reduce dust content, reached again recycling of water resource simultaneously.
3. a kind of desulfurizer according to claim 1, is characterized in that, is provided with demist grid (10) in described pipeline (9), and described demist grid (10) carries out processed to the described gas that flows to chimney (11).
4. a kind of desulfurizer according to claim 1, is characterized in that, also contains tapping valve (12) at the bottom of tank at the bottom of described digester (2) tank, and tapping valve at the bottom of described tank (12) is regularly discharged digester (2) impurity at the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447533.5U CN203417596U (en) | 2013-07-25 | 2013-07-25 | Desulfurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320447533.5U CN203417596U (en) | 2013-07-25 | 2013-07-25 | Desulfurizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203417596U true CN203417596U (en) | 2014-02-05 |
Family
ID=50016702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320447533.5U Expired - Fee Related CN203417596U (en) | 2013-07-25 | 2013-07-25 | Desulfurizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203417596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273329A (en) * | 2017-01-06 | 2018-07-13 | 王支业 | A kind of air cleaning system |
-
2013
- 2013-07-25 CN CN201320447533.5U patent/CN203417596U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273329A (en) * | 2017-01-06 | 2018-07-13 | 王支业 | A kind of air cleaning system |
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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 |
Granted publication date: 20140205 Termination date: 20160725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |