CN101983943A - Quicklime coupling and digesting device - Google Patents
Quicklime coupling and digesting device Download PDFInfo
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- CN101983943A CN101983943A CN 201010540481 CN201010540481A CN101983943A CN 101983943 A CN101983943 A CN 101983943A CN 201010540481 CN201010540481 CN 201010540481 CN 201010540481 A CN201010540481 A CN 201010540481A CN 101983943 A CN101983943 A CN 101983943A
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Abstract
The invention discloses a quicklime coupling and digesting device. The device comprises a frame, wherein the frame is provided with a primary coarse particle digesting region, a secondary coupling and digesting region and a complete digesting region in sequence; the front part of the primary coarse particle digesting region is provided with at least one charge port, the back of the complete digesting region is provided with at least one discharge port, a first water-spraying device is arranged on the upper part of the primary coarse particle digesting region, a second water-spraying device and an additive device are arranged on the upper part of the secondary coupling and digesting region; a first stirring component, a second stirring component and a third stirring component are arranged in the primary coarse particle digesting region, the secondary coupling and digesting region and the complete digesting region respectively; and the first stirring component, the second stirring component and the third stirring component are all connected with a driving device. By adopting the invention, the scaling and blockage of the device can be avoided, quicklime with poor activity can be digested and a multifunctional flue gas cleaning agent can be prepared; and the invention has stable operation, small floor space and higher digestion efficiency.
Description
[technical field]
The present invention relates to the flue gas desulfurization field, the unslaked lime coupling slaking apparatus that relates in particular in the flue gas desulfurization to be adopted.
[technical background]
Existing dry flue gas desulphurization adopts streaming mode or mechanical stirring mode to become quicklime slaking white lime to produce with the dry powder sweetening agent usually; It is to make unslaked lime digest the digestion of Ta Neijia water by the fluidized wind input that streaming mode carries out lime slaking, and the digestion tower exports grey gas mixture and by tripping device the coarse particles circulation entered digestion tower continuation digestion, and it is stand-by that salable product are gone into finished bin.It is to add water unslaked lime and water mixture slaking are produced in stirrer that the mechanical stirring mode is carried out lime slaking.
The shortcoming that fluidizing method is produced white lime is to make the fouling of digestion inner wall of tower easily, form and stop up, finally cause Digestive tract not carry out effectively, also will establish tripping device in digestion tower outside simultaneously realizes, so not only increased facility investment, and reduced the security of system's operation, so this method is produced white lime usefulness less.
Traditional mechanical stirring mode is produced the white lime shortcoming: 1) only add water in the one-level agitator, adding water management needs very accurate, during as the lime inferior quality, react required Total Water and only add the one-level agitator, the water that has little time to react will make the lime caking stop up agitator, and the moisture content of evaporation causes the exhaust system bridging; 2) use pipe connection between the superior and the subordinate's agitator, when Flow of Goods and Materials, easily stop up; 3) subordinate's mixer operations temperature is low, can not make inferior unslaked lime complete digestion; 4) single unslaked lime slaking can only be realized, a kind of multi-functional fume-clarifying agent (as the combined desulfurization and denitration agent) can not be produced; 5) finished product needs intermediate bin to store easy inactivation, easy blocking pipe during conveying.
[summary of the invention]
Purpose of the present invention is exactly in order to solve problems of the prior art, proposes a kind of unslaked lime coupling slaking apparatus, can either avoid internal incrustation, obstruction, can improve digestive efficiency again.
For achieving the above object, patent of the present invention has proposed a kind of unslaked lime coupling slaking apparatus, comprise frame, be provided with elementary coarse particles digestion zone on the described frame successively, inferior grade coupled digestion zone and complete digestion district, the front portion of described elementary coarse particles digestion zone is provided with at least 1 opening for feed, the rear portion in complete digestion district is provided with at least 1 discharge port, the top of described elementary coarse particles digestion zone is provided with first waterworks, the top of inferior grade coupled digestion zone is provided with second waterworks and additive device, described elementary coarse particles digestion zone, be respectively equipped with first mixing component in inferior grade coupled digestion zone and the complete digestion district, second mixing component and the 3rd mixing component, described first mixing component, second mixing component and the 3rd mixing component all are connected to drive unit.
As preferably, described first mixing component comprises first and be distributed in some first band impellers on first; Described second mixing component comprise second and be distributed on second some second the band impellers; Described the 3rd mixing component comprise the 3rd and be distributed on the 3rd some the 3rd the band impellers, simple in structure, cost is low.
As preferably, described first is provided with first sprocket wheel, second is provided with second sprocket wheel, the 3rd is provided with the 3rd sprocket wheel, adopts first chain to be connected between described first sprocket wheel and second sprocket wheel, and employing second chain is connected between described second sprocket wheel and the 3rd sprocket wheel, 3 shared power systems of axle, adopt the sprocket wheel chain structure, cost is low, more reasonable structure.
As preferably, the impeller end tangent line of the described first band impeller and radial first angle are at 20～60 °, and root of blade/width is 1/4～1/8, and blade one end/root of blade is 2～4, and blade the other end/root of blade is 1.5～2.5; The shape of the second band impeller is identical with the first band impeller, this more reasonable structure, and mixing effect is better.
As preferably, the impeller end tangent line of described the 3rd band impeller and radial second angle are at 20～60 °, width of blade/depth of blade is 0.8～2.5, blade rear portion/depth of blade=1/2, described blade rear portion is a cell structure, spacing in the described cell structure between every lattice is 10～50mm, this more reasonable structure, and mixing effect is better.
As preferably, be provided with first overflow plate between described elementary coarse particles digestion zone and time grade coupled digestion zone, be provided with second overflow plate between inferior grade coupled digestion zone and the complete digestion district, be provided with the 3rd overflow plate between complete digestion district and the discharge port, simple in structure, natural overflow between three districts, residence time of material is long, and can not stop up.
As preferably, the volume of described grade coupled digestion zone equates that with the volume in complete digestion district the volume of described elementary coarse particles digestion zone is the volumetrical 1/3～2/3 of time grade coupled digestion zone, unslaked lime is coupled digest more abundant.
As preferably, the bottom in described elementary coarse particles digestion zone, inferior grade coupled digestion zone and complete digestion district is equipped with compressed air blowing cleaner, prevents the solid accumulation caking, and influence starts.
As preferably, the bottom in described elementary coarse particles digestion zone, inferior grade coupled digestion zone and complete digestion district is equipped with temperature-detecting device, understand the temperature in each district in real time, by by regulating temperature that waterworks makes elementary coarse particles digestion zone at 90～100 ℃, the temperature that makes time grade coupled digestion zone is at 85～95 ℃ during operation.
As preferably, the shell place in described complete digestion district is provided with heating chamber, helps the active low more abundant digestion of unslaked lime.
The beneficial effect of patent of the present invention: the present invention can either avoid device internal incrustation, obstruction, can digest the unslaked lime of poor activity, can prepare a kind of multi-functional fume-clarifying agent again, and it is stable, take up an area of little, in the semidrying smoke processing system, excellent adaptability is arranged, can also improve digestive efficiency.
[description of drawings]
Fig. 1 is the structural representation of a kind of unslaked lime coupling of the present invention slaking apparatus;
Fig. 2 is the A-A sectional view of Fig. 1.
[embodiment]
As Fig. 1, shown in 2, a kind of unslaked lime coupling slaking apparatus, comprise frame 10, be provided with elementary coarse particles digestion zone 3 on the described frame 10 successively, inferior grade coupled digestion zone 4 and complete digestion district 5, the front portion of described elementary coarse particles digestion zone 3 is provided with at least 1 opening for feed 1, the rear portion in complete digestion district 5 is provided with at least 1 discharge port 2, the top of described elementary coarse particles digestion zone 3 is provided with first waterworks 6, the top of inferior grade coupled digestion zone 4 is provided with second waterworks 12 and additive device 7, described elementary coarse particles digestion zone 3, be respectively equipped with first mixing component in inferior grade coupled digestion zone 4 and the complete digestion district 5, second mixing component and the 3rd mixing component, described first mixing component, second mixing component and the 3rd mixing component all are connected to drive unit 19.Described first mixing component comprises first 15 and is distributed in some first on first 15 is with impellers 16; Described second mixing component comprises second 13 and is distributed in some second on second 13 is with impellers 14; Described the 3rd mixing component comprises the 3rd 17 and is distributed in the some the 3rd on the 3rd 17 is with impellers 18.Described first 15 is provided with first sprocket wheel 20, be provided with second sprocket wheel 21 for second 13, be provided with the 3rd sprocket wheel 22 for the 3rd 17, adopt first chain 23 to be connected between described first sprocket wheel 20 and second sprocket wheel 21, adopt second chain 24 to be connected between described second sprocket wheel 21 and the 3rd sprocket wheel 22,3 shared power systems of axle, employing sprocket wheel chain structure, cost is low, more reasonable structure.The impeller end tangent line of the described first band impeller 16 and the radial first angle α are at 20～60 °, root of blade/width (B1/D) is 1/4～1/8, blade one end/root of blade (B2/B1) is 2～4, and blade the other end/root of blade (B3/B1) is 1.5～2.5; The shape of the second band impeller 14 is identical with the first band impeller 16, this more reasonable structure, and mixing effect is better.The impeller end tangent line of described the 3rd band impeller 18 and the radial second angle β are at 20～60 °, width of blade/depth of blade (B/K) is 0.8～2.5, blade rear portion/depth of blade (K1/K)=1/2, described blade rear portion K1 is a cell structure, spacing in the described cell structure between every lattice is 10～50mm, this more reasonable structure, mixing effect is better.Be provided with first overflow plate 25 between described elementary coarse particles digestion zone 3 and time grade coupled digestion zone 4, be provided with second overflow plate 26 between inferior grade coupled digestion zone 4 and the complete digestion district 5, be provided with the 3rd overflow plate 27 between complete digestion district 5 and the discharge port 2, simple in structure, natural overflow between three districts, residence time of material is long, and can not stop up.The bottom in described elementary coarse particles digestion zone 3, inferior grade coupled digestion zone 4 and complete digestion district 5 is equipped with compressed air blowing cleaner 8, prevents the solid accumulation caking, and influence starts.The bottom in described elementary coarse particles digestion zone 3, inferior grade coupled digestion zone 4 and complete digestion district 5 is equipped with temperature-detecting device 9, understand the temperature in each district in real time, by by regulating temperature that first waterworks 6, second waterworks 12 make elementary coarse particles digestion zone 3 at 90～100 ℃, the temperature of inferior grade coupled digestion zone 4 is at 85～95 ℃ during operation.The shell place in described complete digestion district 5 is provided with heating chamber 11, helps the active low more abundant digestion of unslaked lime.
At 5～50min, wherein often get equally by the volume in time grade coupled digestion zone 4 and complete digestion district 5 in the total residence time of three digestion zones for material, and the volume of elementary coarse particles digestion zone 3 is 1/3～2/3 of time grade coupled digestion zones 4.Whole slaking apparatus is vertically established 1～3 opening for feed 1 and a discharge port 2, material enters the back from opening for feed 1 and discharges from discharge port 2 by the mode of overflow, discharge port 2 can directly link to each other with flue gas purification system, and postdigestive finished product and water vapor can directly enter purification system, carry out gas cleaning; Elementary coarse particles digestion zone 3, inferior grade coupled digestion zone 4 and complete digestion district 5 are driven by same drive unit 19, therebetween by sprocket wheel (20,21,22) and chain (23,24) transferring power.Be provided with first waterworks 6 behind the opening for feed 1 of elementary coarse particles digestion zone 3, arrange 2～4 cover second waterworks 12 and additive devices 7 in inferior grade coupled digestion zone 4 top cross.Shell in complete digestion district 5 is provided with heating chamber 11, when the unslaked lime inferior quality, can guarantee to digest temperature more than 60 °, be provided with temperature-detecting device 9 in the bottom of each digestion zone, the temperature that makes elementary coarse particles digestion zone 3 by adjusting two waterworkss (6,12) when operation is at 90～100 ℃, and the temperature that makes time grade coupled digestion zone 4 is at 85～95 ℃.Can be coupled into a kind of multi-functional fume-clarifying agent (as the combined desulfurization and denitration agent) by amount and the quicklime slaking product that adjusting additive device 7 is regulated additive simultaneously; Compressed air blowing cleaner 8 all is equipped with in each digestion zone bottom, guarantees to empty when shutting down the material in the equipment.
This device can digest the unslaked lime of poor activity, can prepare a kind of multi-functional fume-clarifying agent again, and stable, does not stop up, and takes up an area of for a short time, in the semidrying smoke processing system excellent adaptability is arranged, and mainly shows:
(1) by adding water respectively, makes water dispenser more even, make lime be difficult for fouling in equipment to elementary coarse particles digestion zone 3 and time grade coupled digestion zone 4; Discharge port 2 can directly connect flue gas purification system, and the steam that produces during digestion directly enters purification system, need not establish special gas barrier;
(2) adopt three grades of digestion, residence time of material is long, and is provided with heating chamber 11 in complete digestion district 5, helps the abundant digestion of the low unslaked lime of activity;
(3) material is realized the nature overflow between adjacent digestion zone, can not stop up;
(4) can produce a kind of multi-functional fume-clarifying agent by in inferior grade coupled digestion zone 4, adding additive;
(5) slaked lime of digestion generation can directly enter reactive system, does not have loss of activity;
Can carry out compressed-air actuated purging cleaning when (6) stopping transport, prevent the solid accumulation caking, influence starts.
The foregoing description is to explanation of the present invention, is not limitation of the invention, any scheme after the simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (10)
1. unslaked lime coupling slaking apparatus, it is characterized in that: comprise frame (10), be provided with elementary coarse particles digestion zone (3) on the described frame (10) successively, inferior grade coupled digestion zone (4) and complete digestion district (5), the front portion of described elementary coarse particles digestion zone (3) is provided with at least 1 opening for feed (1), the rear portion in complete digestion district (5) is provided with at least 1 discharge port (2), the top of described elementary coarse particles digestion zone (3) is provided with first waterworks (6), the top of inferior grade coupled digestion zone (4) is provided with second waterworks (12) and additive device (7), described elementary coarse particles digestion zone (3), be respectively equipped with first mixing component in inferior grade coupled digestion zone (4) and complete digestion district (5), second mixing component and the 3rd mixing component, described first mixing component, second mixing component and the 3rd mixing component all are connected to drive unit (19).
2. a kind of unslaked lime coupling slaking apparatus as claimed in claim 1 is characterized in that: described first mixing component comprises first (15) and is distributed in some first on first (15) is with impellers (16); Described second mixing component comprises second (13) and is distributed in some second on second (13) is with impellers (14); Described the 3rd mixing component comprises the 3rd (17) and is distributed in the some the 3rd on the 3rd (17) is with impellers (18).
3. a kind of unslaked lime coupling slaking apparatus as claimed in claim 2, it is characterized in that: described first (15) are provided with first sprocket wheel (20), second (13) are provided with second sprocket wheel (21), the 3rd (17) are provided with the 3rd sprocket wheel (22), adopt first chain (23) to be connected between described first sprocket wheel (20) and second sprocket wheel (21), employing second chain (24) is connected between described second sprocket wheel (21) and the 3rd sprocket wheel (22).
4. a kind of unslaked lime coupling slaking apparatus as claimed in claim 2, it is characterized in that: the impeller end tangent line of the described first band impeller (16) and radial first angle (α) are at 20～60 °, root of blade/width (B1/D) is 1/4～1/8, blade one end/root of blade (B2/B1) is 2～4, and blade the other end/root of blade (B3/B1) is 1.5～2.5; The shape of the second band impeller (14) is identical with the first band impeller (16).
5. a kind of unslaked lime coupling slaking apparatus as claimed in claim 2, it is characterized in that: the impeller end tangent line of described the 3rd band impeller (18) and radial second angle (β) are at 20～60 °, width of blade/depth of blade (B/K) is 0.8～2.5, blade rear portion/depth of blade (K1/K)=1/2, described blade rear portion (K1) is a cell structure, and the spacing in the described cell structure between every lattice is 10～50mm.
6. a kind of unslaked lime coupling slaking apparatus as claimed in claim 1, it is characterized in that: be provided with first overflow plate (25) between described elementary coarse particles digestion zone (3) and time grade coupled digestion zone (4), be provided with second overflow plate (26) between inferior grade coupled digestion zone (4) and complete digestion district (5), be provided with the 3rd overflow plate (27) between complete digestion district (5) and the discharge port (2).
7. a kind of unslaked lime coupling slaking apparatus as claimed in claim 1, it is characterized in that: the volume of described grade coupled digestion zone (4) equates that with the volume of complete digestion district (5) volume of described elementary coarse particles digestion zone (3) is the volumetrical 1/3～2/3 of time grade coupled digestion zone (4).
8. a kind of unslaked lime coupling slaking apparatus as claimed in claim 1 is characterized in that: the bottom of described elementary coarse particles digestion zone (3), inferior grade coupled digestion zone (4) and complete digestion district (5) is equipped with compressed air blowing cleaner (8).
9. a kind of unslaked lime coupling slaking apparatus as claimed in claim 1 is characterized in that: the bottom of described elementary coarse particles digestion zone (3), inferior grade coupled digestion zone (4) and complete digestion district (5) is equipped with temperature-detecting device (9).
10. a kind of unslaked lime coupling slaking apparatus as claimed in claim 1, it is characterized in that: the shell place in described complete digestion district (5) is provided with heating chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010540481 CN101983943A (en) | 2010-11-05 | 2010-11-05 | Quicklime coupling and digesting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010540481 CN101983943A (en) | 2010-11-05 | 2010-11-05 | Quicklime coupling and digesting device |
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| CN101983943A true CN101983943A (en) | 2011-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010540481 Pending CN101983943A (en) | 2010-11-05 | 2010-11-05 | Quicklime coupling and digesting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380309A (en) * | 2011-10-24 | 2012-03-21 | 浙江菲达脱硫工程有限公司 | Device and method for preparing active desulfurizing agent |
| CN102745912A (en) * | 2012-06-28 | 2012-10-24 | 盐城市中材环保机械有限公司 | Dry slaker |
| CN103664006A (en) * | 2013-12-06 | 2014-03-26 | 无锡雪浪环境科技股份有限公司 | Preparation control method of lime slurry for waste incineration flue gas purification |
| CN108503242A (en) * | 2018-06-08 | 2018-09-07 | 北京北科环境工程有限公司 | A kind of burnt lime slaking device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2758257Y (en) * | 2004-12-03 | 2006-02-15 | 镇江市电站辅机厂 | Lime slaking machine |
| CN101007235A (en) * | 2006-12-22 | 2007-08-01 | 清华大学 | Preparation method of desulfurizer powder by quick hydration reaction and device thereof |
| CN201296732Y (en) * | 2007-12-05 | 2009-08-26 | 淄博鑫亚工贸有限责任公司 | Device for preparing calvital by utilizing a dry flue gas desulfurization method |
| CN201915033U (en) * | 2010-11-05 | 2011-08-03 | 浙江菲达脱硫工程有限公司 | Calcined lime coupling digestion device |
-
2010
- 2010-11-05 CN CN 201010540481 patent/CN101983943A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2758257Y (en) * | 2004-12-03 | 2006-02-15 | 镇江市电站辅机厂 | Lime slaking machine |
| CN101007235A (en) * | 2006-12-22 | 2007-08-01 | 清华大学 | Preparation method of desulfurizer powder by quick hydration reaction and device thereof |
| CN201296732Y (en) * | 2007-12-05 | 2009-08-26 | 淄博鑫亚工贸有限责任公司 | Device for preparing calvital by utilizing a dry flue gas desulfurization method |
| CN201915033U (en) * | 2010-11-05 | 2011-08-03 | 浙江菲达脱硫工程有限公司 | Calcined lime coupling digestion device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380309A (en) * | 2011-10-24 | 2012-03-21 | 浙江菲达脱硫工程有限公司 | Device and method for preparing active desulfurizing agent |
| CN102745912A (en) * | 2012-06-28 | 2012-10-24 | 盐城市中材环保机械有限公司 | Dry slaker |
| CN103664006A (en) * | 2013-12-06 | 2014-03-26 | 无锡雪浪环境科技股份有限公司 | Preparation control method of lime slurry for waste incineration flue gas purification |
| CN108503242A (en) * | 2018-06-08 | 2018-09-07 | 北京北科环境工程有限公司 | A kind of burnt lime slaking device |
| CN108503242B (en) * | 2018-06-08 | 2023-04-14 | 北京北科环境工程有限公司 | Quicklime slaking device |
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Application publication date: 20110309 |