CN204952657U - Two thick liquid pond desulphurization unit of single tower - Google Patents
Two thick liquid pond desulphurization unit of single tower Download PDFInfo
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- CN204952657U CN204952657U CN201520707119.2U CN201520707119U CN204952657U CN 204952657 U CN204952657 U CN 204952657U CN 201520707119 U CN201520707119 U CN 201520707119U CN 204952657 U CN204952657 U CN 204952657U
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- tower
- slurry pool
- ectoplasm
- liquid
- desulfurizer
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Abstract
The utility model relates to a two thick liquid pond desulphurization unit of single tower, including absorption tower thick liquid pond, absorption tower thick liquid bottom of the pool portion is equipped with the thick liquid pump, the thick liquid pump passes through the entry linkage of communicating pipe and tower ectoplasm liquid oxidation pond, the exit of tower ectoplasm liquid oxidation pond is equipped with the gypsum excavating pump, the gypsum excavating pump is connected with gypsum discharge pipe, install oxidation air conduit on the tower ectoplasm liquid oxidation pond. The utility model discloses a turn into a tower entoplasm liquid bath and a tower ectoplasm liquid oxidation pond with thick liquid pond integrative in original technological tower, with the oxidative system and the absorption system phase separation in absorption tower thick liquid pond to stop in the absorption tower content of oxygen in the flue gas, under 6% same standard oxygen content, make around the desulfurization in the flue gas nitrogen oxide concentration invariable, and after the desulfurization in the flue gas oxysulfide concentration diminish relatively, improved desulfurization efficiency.
Description
Technical field
The utility model relates to the two slurry pool desulfurizer of a kind of single tower, particularly relate to a kind of under same standard 6% oxygen content, the two slurry pool desulfurizer of single tower that the discharge constant concentration of nitrogen oxide before and after desulfurization can not only be kept constant, but also flue gas after desulfurization sulphur oxide relative concentration is diminished, improve desulfuration efficiency.
Background technology
In recent years, along with the appearance of national environmental protection policy, environmental emission standard requires also more and more higher.In traditional fume desulfurating absorption tower systems technology field, on the one hand, in order to prevent the generation of scale formation in desulfuration absorbing tower, usually need to blast excessive oxidation air.On the other hand, owing to having passed into excessive oxidation air, cause when same environmental protection standard (6% oxygen content), nitrous oxides concentration up to standard before entering desulphurization absorption tower system its concentration of emission after by desulphurization absorption tower system does not reach again the qualified level of GB.Therefore, in order to again reach the qualified discharge standard of country, prior art is all generally by transformation boiler, introduces SCNR or SCR device, adopts containing amino reducing agent (as ammoniacal liquor, urea liquid etc.) spray in stove, reduction of nitrogen oxide in flue gas is removed, generates the clean denitration technology of nitrogen and water, reduce the content of nitrogen oxides in effluent, even if flue gas, by desulphurization system, can not make it exceed the discharge standard of nitrogen oxide; And flue gas after desulfurization sulphur oxide relative concentration diminishes, and improves desulfuration efficiency.But owing to adds additional production equipment, and the operating environment requirements of denitration device is all very high, causes adding unnecessary extra production cost, also occupies desulfuration absorbing tower extra work space.
Utility model content
Discharge the inconsistent technological deficiency of concentration to overcome nitrogen oxide before and after existing fume desulfurating absorption tower system, the utility model provides a kind of novel single tower two slurry pool desulfurizer.
For realizing above-mentioned utility model object, the technical solution adopted in the utility model is: the two slurry pool desulfurizer of a kind of single tower, comprise slurry pool of absorption tower, slush pump is provided with bottom described slurry pool of absorption tower, described slush pump is connected by the entrance of communicating pipe with tower ectoplasm liquid oxidation pond, the exit in described tower ectoplasm liquid oxidation pond is provided with gypsum excavationg pump, and described gypsum excavationg pump is connected with gypsum discharge line, and described tower ectoplasm liquid oxidation pond is provided with oxidation air pipeline.
In such scheme, described slurry pool of absorption tower is provided with sewage draining exit, liquid level gauge, agitator, serum recycle pipeline, the overflow mouth of pipe and slurry pipeline.
In such scheme, described agitator is side stir device, and the pivot center of described agitator is horizontal by 10 ° of angles, and described agitator is 800 ~ 1200mm apart from the distance bottom described slurry pool of absorption tower.
In such scheme, the interface of described liquid level gauge is 500mm apart from the distance bottom described slurry pool of absorption tower.
In such scheme, the distance of the interface distance chimney intake lower end of described slurry pipeline is 500 ~ 1000mm.
In such scheme, the interface of described serum recycle pipeline is 1500 ~ 2500mm apart from the distance bottom described slurry pool of absorption tower.
In such scheme, the interface of described overflow pipe is positioned at 800 ~ 1000mm under slurry pool of absorption tower normal level, 1500 ~ 2000mm place above the interface that the most significant end of described overflow pipe is positioned at overflow pipe.
In such scheme, the angle of described oxidation air pipe and horizontal plane is 30 °, and the described oxidation air pipe port of export is 3000 ~ 4500mm apart from the distance bottom described tower ectoplasm liquid oxidation pond.
In such scheme, top, described tower ectoplasm liquid oxidation pond is provided with breather valve.
In such scheme, described tower ectoplasm liquid oxidation pond is positioned at ground or underground.
The utility model has positive effect: (1) on the one hand, slurry pool of absorption tower had being connected communicating pipe of slush pump with tower ectoplasm liquid oxidation pond by bottom, the Flow-rate adjustment of slush pump can be utilized adjust the density controlling slurries in slurry pool of absorption tower, while preventing fouling from precipitating, improve the efficiency of desulfurization; On the other hand, in tower ectoplasm liquid oxidation pond, oxidation air is injected by oxidation air pipeline, slurries sulfite calcium or calcium bisulfite are oxidized to calcium sulfate, by gypsum excavationg pump, the gypsum slurries of formation is discharged by gypsum discharge line, thus achieve being separated completely of oxidative system and desulfurizing adsorption system, stop in desulphurization system, to blast oxidation air again, thus nitrogen oxide discharge concentration before and after desulphurization system is remained unchanged.(2) design of the two slurry pool of this single tower, while reduction absorbing tower liquid-level height, also reduces the wall strength requirement to absorption tower, decrease production cost, and device structure is simple, easy to operate.(3) design of the outer slurry pool of tower, the accident slurry pool of can be used as uses, and not only reduces cost, and Appropriate application space.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail.
Fig. 1 is the two slurry pool schematic diagram of single tower of the present utility model.
In figure: 1. tower ectoplasm liquid oxidation pond; 2. oxidation air pipeline; 3. breather valve; 4. gypsum discharge line; 5. communicating pipe; 6. agitator; 7. slurry pool of absorption tower; 8. sewage draining exit; 9. liquid level gauge; 10. serum recycle pipeline; 11. slurry pipelines; 12. overflow pipes; 13. chimney intakes.
Detailed description of the invention
As shown in Figure 1, the two slurry pool desulfurizer of single tower of the present utility model, comprise slurry pool of absorption tower 7 and tower ectoplasm liquid oxidation pond 1, be provided with slush pump bottom described slurry pool of absorption tower 7, slush pump is by being connected with the entrance in tower ectoplasm liquid oxidation pond 1 communicating pipe 5.Described slurry pool of absorption tower 7 is provided with sewage draining exit 8, liquid level gauge 9, agitator 6, slurry pipeline 11, overflow pipe 12 and serum recycle pipeline 10 from bottom to top successively, and described sewage draining exit 8 is emptying for slurries; Described agitator 6 is side stir device, agitator 6 and horizontal plane 10 °, and the distance bottom its slurry pool of absorption tower 7 is 800 ~ 1200mm, is conducive to the abundant mixing of slurries, thus prevents from precipitating fouling; Serum recycle pipeline 10 is for the cycle operation of slurries in slurry pool of absorption tower.Described tower ectoplasm liquid oxidation pond 1 rest on the ground, or in order to save space, also can be arranged on underground.The exit in shown tower ectoplasm liquid oxidation pond 1 is provided with gypsum excavationg pump, and described gypsum excavationg pump is connected with gypsum discharge line 4, and top is provided with breather valve 3, and described tower ectoplasm liquid oxidation pond 1 is also provided with oxidation air pipeline 2.Preferably, described oxidation air pipe 2 is 30 ° with the angle of horizontal plane, and described oxidation air pipe 2 port of export is 3000 ~ 4500mm apart from the distance bottom described tower ectoplasm liquid oxidation pond 1.The preferred size of the present embodiment is as follows: preferred, the interface of described liquid level gauge 9 is 500mm apart from the distance bottom described slurry pool of absorption tower 7.Preferably, the distance of interface distance chimney intake 13 lower end of described slurry pipeline 11 is 500 ~ 1000mm.Preferably, the interface of described serum recycle pipeline 10 is 1500 ~ 2500mm apart from the distance bottom described slurry pool of absorption tower 7.Preferably, the interface of described overflow pipe 12 is positioned at 800 ~ 1000mm under slurry pool of absorption tower normal level, 1500 ~ 2000mm place above the interface that the most significant end of described overflow pipe 12 is positioned at overflow pipe, overflows from overflow pipe 12 to prevent the flue gas in slurry pool of absorption tower 7.
Technology realization mechanism of the present utility model is oxidized by being outputted to outside tower by slurries, thus adjust and control the density of slurries in slurry pool of absorption tower 7, prevents the generation of fouling precipitation in slurry pool of absorption tower 7.The specific implementation process of the present embodiment is: when the serum density in slurry pool of absorption tower 7 reaches setting, such as, reach optimal value 1030kg/m
3time, slush pump is opened automatically, slush pump is utilized to discharge the slurries of in slurry pool of absorption tower 7 about 1/10, under the detection of liquid level gauge 9, the not enough normal level degree of depth, in slurry pool of absorption tower 7, need input new slurries by slurry pipeline 11, after the slurries of input meet the normal level degree of depth, slurry pipeline 11 quits work voluntarily; Because slush pump has drained the highdensity slurries of part in slurry pool of absorption tower 7, effectively can prevent gentle generation of separating fouling precipitation in slurry pool of absorption tower 7, meanwhile, also make the desulfuration efficiency of slurry pool of absorption tower 7 increase.After being inputted high density slurries by communicating pipe 5 in tower ectoplasm liquid oxidation pond 1, oxidation air pipeline 2 injects oxidation air in tower ectoplasm liquid oxidation pond 1, the calcium sulfite contain slurries in tower ectoplasm liquid oxidation pond 1 or calcium bisulfite are oxidized to calcium sulfate, and are discharged by gypsum discharge line 4 by the gypsum slurries of formation by gypsum excavationg pump.Preferably, described breather valve 3 is positioned at the top in tower ectoplasm liquid oxidation pond 1, is mainly used in balance oxidation pond internal gas pressure and external atmosphere pressure, prevents the generation of explosion phenomenon.Exception, after some fault appears in liquid level gauge 9, the slurries exceeding normal level will be discharged by overflow pipe 12.The utility model is by being converted into a slurry pool of absorption tower and a tower ectoplasm liquid oxidation pond by one slurry pool in original desulfurizing tower, achieve being separated completely of oxidative system and desulfurizing adsorption system, stop in slurry pool of absorption tower, to blast oxidation air again, under same standard 6% oxygen content, make nitrogen oxide before and after slurry pool of absorption tower discharge concentration and remain unchanged; And flue gas after desulfurization sulphur oxide relative concentration is diminished, improve desulfuration efficiency.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the two slurry pool desulfurizer of single tower, comprise slurry pool of absorption tower (7), it is characterized in that, described slurry pool of absorption tower (7) bottom is provided with slush pump, described slush pump is by being connected with the entrance in tower ectoplasm liquid oxidation pond (1) communicating pipe (5), the exit of described tower ectoplasm liquid oxidation pond (1) is provided with gypsum excavationg pump, and described gypsum excavationg pump is connected with gypsum discharge line (4), and described tower ectoplasm liquid oxidation pond (1) is provided with oxidation air pipeline (2).
2. the two slurry pool desulfurizer of the single tower of one according to claim 1, it is characterized in that, described slurry pool of absorption tower (7) is provided with sewage draining exit (8), liquid level gauge (9), agitator (6), serum recycle pipeline (10), overflow pipe (12) and slurry pipeline (11).
3. the two slurry pool desulfurizer of the single tower of one according to claim 2, it is characterized in that, described agitator (6) is side stir device, the pivot center of described agitator (6) is horizontal by 10 ° of angles, and described agitator (6) is 800 ~ 1200mm apart from the distance of described slurry pool of absorption tower (7) bottom.
4. the two slurry pool desulfurizer of the single tower of one according to claim 2, is characterized in that, the distance of interface bottom described slurry pool of absorption tower (7) of described liquid level gauge (9) is 500mm.
5. the two slurry pool desulfurizer of the single tower of one according to claim 2, is characterized in that, the distance of interface distance chimney intake (13) lower end of described slurry pipeline (11) is 500 ~ 1000mm.
6. the two slurry pool desulfurizer of the single tower of one according to claim 2, is characterized in that, the distance of interface bottom described slurry pool of absorption tower (7) of described serum recycle pipeline (10) is 1500 ~ 2500mm.
7. the two slurry pool desulfurizer of the single tower of one according to claim 2, it is characterized in that, the interface of described overflow pipe (12) is positioned at 800 ~ 1000mm under slurry pool of absorption tower normal level, 1500 ~ 2000mm place above the interface that the most significant end of described overflow pipe (12) is positioned at overflow pipe.
8. the two slurry pool desulfurizer of the single tower of one according to claim 1, it is characterized in that, described oxidation air pipe (2) is 30 ° with the angle of horizontal plane, and described oxidation air pipe (2) port of export is 3000 ~ 4500mm apart from the distance of described tower ectoplasm liquid oxidation pond (1) bottom.
9. the two slurry pool desulfurizer of the one list tower according to claim 1 or 2 or 8, it is characterized in that, described tower ectoplasm liquid oxidation pond (1) top is provided with breather valve (3).
10. the two slurry pool desulfurizer of the one list tower according to claim 1 or 2 or 8, it is characterized in that, described tower ectoplasm liquid oxidation pond (1) is positioned at ground or underground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520707119.2U CN204952657U (en) | 2015-09-14 | 2015-09-14 | Two thick liquid pond desulphurization unit of single tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520707119.2U CN204952657U (en) | 2015-09-14 | 2015-09-14 | Two thick liquid pond desulphurization unit of single tower |
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| CN204952657U true CN204952657U (en) | 2016-01-13 |
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| CN201520707119.2U Expired - Fee Related CN204952657U (en) | 2015-09-14 | 2015-09-14 | Two thick liquid pond desulphurization unit of single tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214470A (en) * | 2015-09-14 | 2016-01-06 | 江苏鲲鹏环保工程技术有限公司 | The two slurry pool desulfurizer of single tower |
| CN106621714A (en) * | 2016-12-30 | 2017-05-10 | 盐城市兰丰环境工程科技有限公司 | Novel single-tower double-area desulfurization system |
-
2015
- 2015-09-14 CN CN201520707119.2U patent/CN204952657U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214470A (en) * | 2015-09-14 | 2016-01-06 | 江苏鲲鹏环保工程技术有限公司 | The two slurry pool desulfurizer of single tower |
| CN106621714A (en) * | 2016-12-30 | 2017-05-10 | 盐城市兰丰环境工程科技有限公司 | Novel single-tower double-area desulfurization system |
| CN106621714B (en) * | 2016-12-30 | 2018-05-01 | 盐城市兰丰环境工程科技有限公司 | A kind of single column two-region desulphurization system |
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| Date | Code | Title | Description |
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| 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: 20160113 Termination date: 20180914 |
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| CF01 | Termination of patent right due to non-payment of annual fee |