CN201791469U - Dense-phase circulating fluidized dry tower desulfurizer - Google Patents
Dense-phase circulating fluidized dry tower desulfurizer Download PDFInfo
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- CN201791469U CN201791469U CN2010201354871U CN201020135487U CN201791469U CN 201791469 U CN201791469 U CN 201791469U CN 2010201354871 U CN2010201354871 U CN 2010201354871U CN 201020135487 U CN201020135487 U CN 201020135487U CN 201791469 U CN201791469 U CN 201791469U
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Abstract
The utility model relates to a dense-phase circulating fluidized dry tower desulfurizer, and relates to a dense-phase circulating fluidized dry tower smoke desulfurizer, which belongs to the field of environmental engineering. The desulfurizer comprises a circulating fluidized chamber (1), a dense-phase chamber (2), a smoke inlet (3), a fluidized groove (4), a feeder (5), a hoister (6), a humidifier (7), a flow guide hole (8), a bag-type dust collector (9), a roots blower (10) and a booster fan (11). The dense-phase circulating fluidized dry tower desulfurizer aims to resolve problems that existing dense-phase circulating fluidized desulfurizers are higher in power consumption, easy to be blocked and collapsed and the like, and adopts the design that the tower is divided into two chambers including the circulating fluidized chamber (1) and the dense-phase chamber (2). A dense-phase dry tower and a circulating fluidized bed are combined into a desulfurizing tower. In addition, the desulfurizer prolongs smoke passing path, and increases desulfurizing possibility and desulfurizing efficiency.
Description
Technical field
The utility model relates to a kind of dense-phase circulating fluidized flow absorber flue gas desulfur device, belongs to field of environment engineering.
Background technology
Reducing sulfur dioxide (SO2) emissions is emphasis of country's environmental protection the Eleventh Five-Year Plan period, is one of key link of steel and iron industry minimizing environmental pollution.The pollution sources of steel and iron industry sulfur dioxide are mainly sintering circuit, and its discharge capacity accounts for more than 50% of steel industry total emission volumn.
The dense-phase tower treatment process that development in recent years is got up has tangible advantage.But in present existing circular dense phase fluidizing desulfurization apparatus, has only a chamber in the close phase circulating sulfuration desulphurization plant, as Chinese patent: ZL200720103180.1 " a kind of circular dense phase fluidizing desulfurization apparatus ".A kind of circular dense phase fluidizing desulfurization apparatus of this Patent publish only is provided with a chamber, and promptly so-called reaction zone exists equipment complexity, maintenance cost height, energy consumption to stop up more greatly, easily and a hidden danger of collapsing.
The utility model content
The purpose of this utility model be for solve the power consumption that existing circular dense phase fluidizing desulfurization apparatus exists higher, stop up and problem such as the bed that collapses easily, and the design of having adopted a tower to divide two Room is combined into a desulfurizing tower with dense-phase tower and recirculating fluidized bed.Prolonged the route that flue gas passes through, caused desulfurizing machine to increase, desulfuration efficiency improves.
The technical solution of the utility model is as follows:
1, a kind of dense-phase circulating fluidized flow absorber desulfurization device, described device comprises ciculation fluidized chamber (1), close phase chamber (2), gas approach (3), fluid-bed (4), batcher (5), elevator (6), humidifier (7), pod apertures (8), sack cleaner (9), Roots blower (10), booster fan (11);
Described gas approach (3) is arranged on left-external side place, ciculation fluidized chamber (1), and flue gas is from bottom to top from the gas approach access to plant;
Described close phase chamber (2) is located at the right side of ciculation fluidized chamber (1); Be provided with pod apertures (8) between ciculation fluidized chamber (1) and the close chamber mutually (2);
Described fluid-bed (4) is arranged on ciculation fluidized chamber (1) inner bottom part, and desulfurizing agent evenly mixes back even fluidisation in fluid-bed (4);
Described batcher (5) is provided with several, is arranged in the below of sack cleaner (9), connects by pipeline each other and is connected to fluid-bed (4);
Described sack cleaner (9) links to each other with close chamber mutually (2);
The pipeline that described Roots blower (10) connects batcher (5) links to each other, for ciculation fluidized chamber provides wind-force ciculation fluidized;
Described booster fan (11) is connected with sack cleaner (9), promotes the whole system blast;
Described device also comprises an elevator (6), is installed in the close phase chamber (2);
Described device also comprises a humidifier (7), is installed in the device top.
Further, in the technique scheme, described gas approach (3) is arranged on ciculation fluidized chamber left-external side 1/3 eminence, and is 30 degree angles with ciculation fluidized chamber (1) bottom.Machine simulation and repetition test are found 1/3 height and place, 30 degree angle as calculated, and flue gas can mix with desulfurizing agent more up hill and dale in ciculation fluidized chamber, and desulfuration efficiency is higher.
Further, in the technique scheme, described fluid-bed (4) is arranged on highly place, ciculation fluidized chamber (1) interior 1/6.
Further, in the technique scheme, ciculation fluidized chamber (1) highly is 5-50m, wide 2-10m, thick 1-20m.
Further, in the technique scheme, close phase chamber (2) height is 5-50m, wide 2-10m, thick 1-20m.
Further, in the technique scheme, described Roots blower (10) is provided with fluidization wind pressure 10-80kPa, flow 10-200m
3/ min realizes defeated materials flowization two functions.
Further, in the technique scheme, the long 1-8m of described pod apertures (8), wide 1-10m, the quantity 1-5 in hole.
Further, in the technique scheme, described pod apertures (8) is provided with control valve, is used to adjust air quantity and wind speed.
The utility model utilizes ciculation fluidized technology and dense-phase tower technology to combine, and divides two reative cells, thereby under constant prerequisite of reaction time, the route that flue gas passes through increases, therefore desulfurizing agent and flue gas collision opportunity increase, and cause desulfurizing machine to increase, and desulfuration efficiency improves.Reduce the load of sack cleaner, efficiency of dust collection and service life are improved.All be reduced to half by original two elevators, humidifier and batchers, therefore saved power consumption.Dense-phase tower and recirculating fluidized bed advantage have been kept.Ciculation fluidized chamber of the present utility model is adopted the ciculation fluidized and wind-force of wind-force not adopt former increase blower fan but is adopted and adds the roots blower air blast and realize, has overcome collapse bed, obstruction accident that former recirculating fluidized bed causes because of intake changes.Apparatus structure uniqueness after the improvement, equipment be simple, easily the dimension inspection and energy-conservation, operating cost is low.
Description of drawings
Figure 1 shows that structural design drawing of the present utility model.
The specific embodiment
As shown in Figure 1, in the utility model, gas approach 3 is arranged on ciculation fluidized chamber 1 left-external side, 1/3 eminence, and flue gas is put 30 degree angles and entered ciculation fluidized chamber 1 from bottom to top.Batcher 5 is provided with a plurality of, arrangement is installed in the below of sack cleaner 9, be connected by pipeline each other, pipeline one end is connected to fluid-bed 4, the other end is connected to Roots blower 10, under the effect of Roots blower 10, desulfurizing agent enters into fluid-bed and, fully reacts with the flue gas that enters evenly after the fluidisation at fluid-bed along pipeline.Flue gas is ciculation fluidized indoor mobile from bottom to top, the humidifier at top carries out humidification to desulfurizing agent, desulfurizing agent behind flue gas and the humidification fully reacts, and the bulky grain desulfurizing agent circulates in ciculation fluidized chamber and floats, and the small and light desulfurizing agent of part enters close phase chamber 2 through pod apertures 8.Desulfurizing agent following current in the close phase chamber 2 continues and smoke reaction in close phase chamber downwards, bottom falling into, then desulfurizing agent is taken to the granule desulfurizing agent that comes with ciculation fluidized chamber at the top behind humidification and continue circulation by elevator, reach desulfurizing agent and SO
2The purpose of abundant reaction.
Sack cleaner 9 links to each other with close chamber mutually 2; Flue gas enters sack cleaner 9 after the desulfurization of overdrying tower, separate solid and gas after chimney is discharged through sack cleaner, solid, powdery desulfurizing agent after the separation falls into the batcher 5 of its bottom, because batcher 5 links to each other with Roots blower 10 by pipeline, and batcher 5 connects fluid-bed 4 by pipeline, it is recycling that thereby the solid, powdery desulfurizing agent after will separating is delivered to the continuation of ciculation fluidized chamber, realizes defeated materials flowization two functions, thereby form complete circular dense phase fluidizing overall process.
Ciculation fluidized chamber of the present utility model 1 design height is 5-50m, wide 2-10m, thick 1-20m.Close phase chamber 2 height are 5-50m, wide 2-10m, thick 1-20m.Roots blower 10 is provided with fluidization wind pressure 10-80kPa, flow 10-200m
3/ min realizes defeated materials flowization two functions.Pod apertures 8 design length 1-8m of the present utility model, wide 1-10m, the quantity 1-5 in hole.Can also be provided with control valve on the pod apertures 8, be used to adjust air quantity and wind speed, thereby better realize ciculation fluidized desulfurization.
In the utility model, described desulfurizing agent is a white lime.
Claims (8)
1. dense-phase circulating fluidized flow absorber desulfurization device, described device comprises ciculation fluidized chamber (1), close phase chamber (2), gas approach (3), fluid-bed (4), batcher (5), elevator (6), humidifier (7), pod apertures (8), sack cleaner (9), Roots blower (10), booster fan (11) is characterized in that:
Described gas approach (3) is arranged on left-external side place, ciculation fluidized chamber (1), and flue gas is from bottom to top from the gas approach access to plant;
Described close phase chamber (2) is located at the right side of ciculation fluidized chamber (1); Be provided with pod apertures (8) between ciculation fluidized chamber (1) and the close chamber mutually (2);
Described fluid-bed (4) is arranged on ciculation fluidized chamber (1) inner bottom part, and desulfurizing agent evenly mixes back even fluidisation in fluid-bed (4);
Described batcher (5) is provided with several, is arranged in the below of sack cleaner (9), connects by pipeline each other and is connected to fluid-bed (4);
Described sack cleaner (9) links to each other with close chamber mutually (2);
The pipeline that described Roots blower (10) connects batcher (5) links to each other, for ciculation fluidized chamber provides wind-force ciculation fluidized;
Described booster fan (11) is connected with sack cleaner (9), promotes the whole system blast;
Described device also comprises an elevator (6), is installed in the close phase chamber (2);
Described device also comprises a humidifier (7), is installed in the device top.
2. a kind of dense-phase circulating fluidized flow absorber desulfurization device according to claim 1 is characterized in that: described gas approach (3) is arranged on ciculation fluidized chamber left-external side 1/3 eminence, and is 30 degree angles with ciculation fluidized chamber (1) bottom.
3. a kind of dense-phase circulating fluidized flow absorber desulfurization device according to claim 1 is characterized in that: described fluid-bed (4) is arranged on highly place, ciculation fluidized chamber (1) interior 1/6.
4. a kind of dense-phase circulating fluidized flow absorber desulfurization device according to claim 1 is characterized in that: described ciculation fluidized chamber (1) highly is 5-50m, wide 2-10m, thick 1-20m.
5. a kind of dense-phase circulating fluidized flow absorber desulfurization device according to claim 1 is characterized in that: described close phase chamber (2) is high to be 5-50m, wide 2-10m, thick 1-20m.
6. a kind of dense-phase circulating fluidized flow absorber desulfurization device according to claim 1 is characterized in that: described Roots blower (10) fluidization wind pressure 10-80kPa, flow 10-200m
3/ min.
7. a kind of dense-phase circulating fluidized flow absorber desulfurization device according to claim 1 is characterized in that: the long 1-8m of described pod apertures (8), wide 1-10m, the quantity 1-5 in hole.
8. according to claim 1 or 7 described a kind of dense-phase circulating fluidized flow absorber desulfurization devices, it is characterized in that: described pod apertures (8) is provided with control valve, is used to adjust air quantity and wind speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201354871U CN201791469U (en) | 2010-03-19 | 2010-03-19 | Dense-phase circulating fluidized dry tower desulfurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201354871U CN201791469U (en) | 2010-03-19 | 2010-03-19 | Dense-phase circulating fluidized dry tower desulfurizer |
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| Publication Number | Publication Date |
|---|---|
| CN201791469U true CN201791469U (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201354871U Expired - Lifetime CN201791469U (en) | 2010-03-19 | 2010-03-19 | Dense-phase circulating fluidized dry tower desulfurizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101773774A (en) * | 2010-03-19 | 2010-07-14 | 北京科技大学 | Dense-phase circulating fluidized flow absorber desulfurization device |
-
2010
- 2010-03-19 CN CN2010201354871U patent/CN201791469U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101773774A (en) * | 2010-03-19 | 2010-07-14 | 北京科技大学 | Dense-phase circulating fluidized flow absorber desulfurization device |
| CN101773774B (en) * | 2010-03-19 | 2012-06-27 | 北京科技大学 | Dense-phase circulating fluidized flow absorber desulfurization device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110413 Effective date of abandoning: 20120627 |