CN202356016U - Device for preparing active desulphurizing agent - Google Patents
Device for preparing active desulphurizing agent Download PDFInfo
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- CN202356016U CN202356016U CN2011204070147U CN201120407014U CN202356016U CN 202356016 U CN202356016 U CN 202356016U CN 2011204070147 U CN2011204070147 U CN 2011204070147U CN 201120407014 U CN201120407014 U CN 201120407014U CN 202356016 U CN202356016 U CN 202356016U
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- digestion
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Abstract
The utility model discloses a device for preparing an active desulphurizing agent. According to the device, the machine body above a primary digestion zone is provided with a charging hole, the machine body near a tertiary digestion zone is provided with a discharging hole, the machine body above the primary digestion zone is provided with a first solution adding device, the machine body above a secondary digestion zone is provided with a second solution adding device, at least one group of primary stirring blades are arranged in the primary digestion zone, at least one group of secondary stirring blades are arranged in the secondary digestion zone, and at least one group of tertiary stirring blades are arranged in the tertiary digestion zone. The device for preparing the active desulphurizing agent has the following advantages: scales are difficult to form in the device, the digestion efficiency is high and the device can not produce a lot of steam.
Description
Technical field
The utility model relates to a kind of device and method for preparing active desulfurizing agent.
Background technology
Existing dry flue gas desulphurization adopts streaming mode or mechanical agitation mode to add water usually with powdered white lime or steam becomes quicklime slaking white lime to produce.It is to make quick lime in the digestion tower, quicklime slaking become white lime in digestion Ta Neijia water digestion or feeding steam through the fluidized wind input that streaming mode carries out lime slaking; The digestion tower exports grey gas mixture and continues digestion to coarse granule circulation entering digestion tower through separator, and it is for use that certified products are gone into finished bin.It is in mixer, to add water quick lime and water mixture slaking are produced that the mechanical agitation mode is carried out lime slaking.
The shortcoming that fluidizing method is produced white lime is a complex equipments, and the security that system moves is relatively poor, and the white lime of processing need be delivered to desulfurizing tower through a cover storage transport, the activity of meeting reduction white lime in the storage course of conveying.
It is only in the one-level agitator, to add water usually that the mechanical agitation mode is produced the white lime shortcoming; Quicklime slaking becomes in the white lime process liberated heat can make a large amount of instant waters evaporations cause the feeding device difficulty of transportation; And the white lime of processing need store transport through a cover and deliver to desulfurizing tower, stores the activity that can reduce white lime in the course of conveying.
Dual mode all adopts water or steam to digest, and produces a large amount of heats in the digestion process, has taken away the part moisture on white lime surface, makes the liquid phase environment of white lime and sulfur dioxide reaction relatively poor.
The utility model content
The purpose of the utility model is to provide a kind of device and method for preparing active desulfurizing agent, can effectively solve inner structure, the problem that digestive efficiency is low of being prone to of existing feeding device difficulty of transportation and slaking apparatus.
In order to solve the problems of the technologies described above; The utility model is realized through following technical scheme: a kind of device for preparing active desulfurizing agent; Comprise body, motor; Comprise one-level digestion zone, secondary digestion zone, three grades of digestion zones of setting gradually in the said body, have charging aperture on the body of top, said one-level digestion zone, said three grades of other bodies in digestion zone are provided with discharging opening; The body of top, said one-level digestion zone is provided with the first solution adding apparatus; The body of top, said secondary digestion zone is provided with the second solution adding apparatus, and said one-level digestion is provided with at least one group of one-level stirring vane in the zone, and said secondary digestion is provided with at least one group of secondary stirring vane in the zone; Be provided with at least one group of three grades of stirring vanes in said three grades of digestion zones, said one-level stirring vane, secondary stirring vane, three grades of stirring vanes are by motor-driven.
Preferably, be provided with first barrier blocks between said one-level digestion zone and the secondary digestion zone, be provided with second barrier blocks between said secondary digestion zone and three grades of digestion zones; Let every grade of interior material in digestion zone fully stir.
Preferably, said one-level digestion zone length of field is less than secondary digestion zone length of field, and said secondary digestion zone length of field is less than three grades of digestion zone length of fields; Different length satisfies different digestion zone domain-functionalities.
Preferably, said one-level digestion is regional, secondary digestion is regional, bottoms three grades of digestion zones are circular arc; Form digestion zone preferably, better stir.
Preferably, said motor rotates through chain drive one-level stirring vane, secondary stirring vane, three grades of stirring vanes; Transmission Characteristics of Chain Drives is reliable, and the kind of drive is simple.
Compared with prior art, the utility model has the advantages that: two-stage solution adding apparatus is adopted in (1), can avoid adopting one-level to add after, moment addition big, cause and stir inhomogeneously, cause the device interior fouling.(2) adopt two-stage solution adding apparatus, and secondary to digest regional addition bigger, avoid adopting one-level to add after; Moment produces a large amount of heats, forms a large amount of steam, and steam gets into feeding device; Thereby cause the feeding device difficulty of transportation; And secondary digestion region distance feeding device is far away and nearer apart from circulating ash humidifying device or desulfurizing tower, and steam is prone to entering desulfurizing tower under suction function, thereby avoids the feeding device difficulty of transportation.(3) adopt three grades of digestion, material stops the long period in three grades of digestion zones, reach digestion fully.
Description of drawings
Fig. 1 is a kind of structural representation for preparing the device of active desulfurizing agent of the utility model;
Fig. 2 is the cutaway view of A-A among Fig. 1.
The specific embodiment
Consult Fig. 1, Fig. 2 is a kind of embodiment for preparing the device of active desulfurizing agent of the utility model; A kind of device for preparing active desulfurizing agent; Comprise body 1, motor 2; Comprise one- level digestion zone 3,4, three grades of digestion zones 5, secondary digestion zone of setting gradually in the said body 1; Said one-level digests on the body 1 of regional 3 tops and has charging aperture 6, and said three grades of digestion zone 5 other bodies 1 are provided with discharging opening 7, and the body 1 that said one-level digests regional 3 tops is provided with the first solution adding apparatus 8; The body 1 that said secondary digests regional 4 tops is provided with the second solution adding apparatus 9; Be provided with at least one group of one-level stirring vane 10 in the said one-level digestion zone 3, be provided with at least one group of secondary stirring vane 11 in the said secondary digestion zone 4, be provided with at least one group of three grades of stirring vanes 12 in said three grades of digestion zones 5; Said one-level stirring vane 10, secondary stirring vane 11, three grades of stirring vanes 12 by motor 2 through chain drive along rotating counterclockwise; Be provided with first barrier blocks 13 between said one-level digestion zone 3 and the secondary digestion zone 4, said secondary digestion zone is provided with second barrier blocks 14 between 4 and three grades of digestion zones 5, and said one-level digests regional 3 length and digests regional 4 length less than secondary; Said secondary digests regional 4 length less than three grades of regional 5 length of digestion, and the bottom in said one- level digestion zone 3,4, three grades of digestion zones 5, secondary digestion zone is circular arc.The solution adding apparatus can adopt nozzle or gondola water faucet.
A kind of method for preparing active desulfurizing agent may further comprise the steps successively:
A. quick lime is dropped into that one-levels digestion zone 3, one grade blades begin to stir and the first solution adding apparatus 8 begins to spray the calcium chloride water of percentage by weight 5%～20% from charging aperture 6, quick lime is carried out predigestion;
B. quick lime overflows into secondary digestion zone 4 after stir in one-level digestion zone 3, and the second solution adding apparatus 9 in secondary digestion zone 4 begins to spray the calcium chloride water of percentage by weight 5%～20%, and digestive juice is fully contacted with quick lime;
C. the lime that overflows from secondary digestion zone 4 gets into three grades of digestion zones 5, and the mixing speed in three grades of digestion zones 5 is lower than secondary digestion zone 4, and further digestion becomes white lime fully, sees off from the discharging opening 7 of body 1 at last.
The digestive juice total amount that the first solution adding apparatus 8 adds in the said method is that the second solution adding apparatus 9 adds 1/2～2/3 of digestive juice total amount; Said one-level digestion zone 3 is 20～40r/min with the mixing speed in secondary digestion zone 4, the mixing speed in said three grades of digestion zones 5 be secondary digest regional 4 mixing speeds 1/2～2/3.
Adopt two-stage solution adding apparatus, can avoid adopting one-level to add after, moment addition big, cause and stir inhomogeneously, cause the device interior fouling.Adopt two-stage solution adding apparatus, and secondary to digest regional addition bigger, avoid adopting one-level to add after; Moment produces a large amount of heats, forms a large amount of steam, and steam gets into feeding device; Thereby cause the feeding device difficulty of transportation; And secondary digestion region distance feeding device is far away and nearer apart from circulating ash humidifying device or desulfurizing tower, and steam is prone to entering desulfurizing tower under suction function, thereby avoids the feeding device difficulty of transportation.Adopt three grades of digestion, material stops the long period in three grades of digestion zones, reach digestion fully.Add calcium chloride (CaCl
2) behind the aqueous solution, the white lime (Ca (OH) that digestion is good
2) there is calcium chloride (CaCl on the surface
2), hygroscopicity is strong, helps prolonging white lime (Ca (OH)
2) and sulfur dioxide (SO
2) take place the time that liquid film reacts, improve desulfuration efficiency.Calcium chloride (the CaCl that adds
2) cost is cheap, only is equivalent to about 1/4 of NaOH (NaOH); Calcium chloride (CaCl
2) soluble in water, corrosivity is little, conveniently is mixed with in solution and the adding digestion facility
The above is merely the specific embodiment of the utility model; But the technical characterictic of the utility model is not limited thereto; Any those skilled in the art is in the field of the utility model, and variation of being done or modification all are encompassed among the claim of the utility model.
Claims (5)
1. device for preparing active desulfurizing agent; It is characterized in that: comprise body (1), motor (2); Comprise the one-level digestion zone (3), secondary digestion zone (4), the three grades of digestion zones (5) that set gradually in the said body (1); Have charging aperture (6) on the body (1) of top, said one-level digestion zone (3); The other body (1) in said three grades of digestion zones (5) is provided with discharging opening (7), and the body (1) of top, said one-level digestion zone (3) is provided with the first solution adding apparatus (8), and the body (1) of top, said secondary digestion zone (4) is provided with the second solution adding apparatus (9); Be provided with at least one group of one-level stirring vane (10) in the said one-level digestion zone (3); Be provided with at least one group of secondary stirring vane (11) in the said secondary digestion zone (4), be provided with at least one group three grades stirring vanes (12) in said three grades of digestion zones (5), said one-level stirring vane (10), secondary stirring vane (11), three grades of stirring vanes (12) drive by motor (2).
2. a kind of device for preparing active desulfurizing agent as claimed in claim 1; It is characterized in that: be provided with first barrier blocks (13) between said one-level digestion zone (3) and the secondary digestion zone (4), be provided with second barrier blocks (14) between said secondary digestion zone (4) and the three grades of digestion zones (5).
3. a kind of device for preparing active desulfurizing agent as claimed in claim 2 is characterized in that: said one-level digestion zone (3) length is less than secondary digestion zone (4) length, and said secondary digestion zone (4) length is less than three grades of digestion zone (5) length.
4. a kind of device for preparing active desulfurizing agent as claimed in claim 2 is characterized in that: the bottom in said one-level digestion zone (3), secondary digestion zone (4), three grades of digestion zones (5) is circular arc.
5. a kind of device for preparing active desulfurizing agent as claimed in claim 1 is characterized in that: said motor (2) rotates through chain drive one-level stirring vane (10), secondary stirring vane (11), three grades of stirring vanes (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204070147U CN202356016U (en) | 2011-10-24 | 2011-10-24 | Device for preparing active desulphurizing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204070147U CN202356016U (en) | 2011-10-24 | 2011-10-24 | Device for preparing active desulphurizing agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202356016U true CN202356016U (en) | 2012-08-01 |
Family
ID=46567236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204070147U Expired - Lifetime CN202356016U (en) | 2011-10-24 | 2011-10-24 | Device for preparing active desulphurizing agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202356016U (en) |
Cited By (1)
| 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 |
-
2011
- 2011-10-24 CN CN2011204070147U patent/CN202356016U/en not_active Expired - Lifetime
Cited By (1)
| 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 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |
|
| CX01 | Expiry of patent term |