CN201302350Y - Primary dewatering device for carnallite - Google Patents
Primary dewatering device for carnallite Download PDFInfo
- Publication number
- CN201302350Y CN201302350Y CNU2008203020647U CN200820302064U CN201302350Y CN 201302350 Y CN201302350 Y CN 201302350Y CN U2008203020647 U CNU2008203020647 U CN U2008203020647U CN 200820302064 U CN200820302064 U CN 200820302064U CN 201302350 Y CN201302350 Y CN 201302350Y
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- Prior art keywords
- dewatering
- dewatering station
- sieve plate
- ebullated bed
- station
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Abstract
The utility model discloses a primary dewatering device for carnallite, which is equipped with three dewatering chambers which are a first dewatering chamber (1), a second dewatering chamber (2) and a third dewatering chamber (3) on the length direction, a clapboard (4) is arranged between the dewatering chambers, and overflow orifices (5) are arranged on the clapboard. The bottom portion of each dewatering chamber is respectively equipped with a gas holder (6), a hot flue gas inlet (7) is arranged on the gas holder, a boiling bed sieve plate (8) is arranged between each dewatering chamber and the gas holder, a group of gas holes (9) are arranged on the boiling bed sieve plate, a feed inlet (10) is arranged on the first dewatering chamber, and a feed outlet (11) is arranged on the third dewatering chamber. Compared with the prior art that a rotary kiln is used to dewater, the primary dewatering device for the carnallite has advanced technology, small volume, big production capacity, is easy to achieve mechanization and unmanned operation.
Description
Technical field
The utility model relates to a kind of dehydration equipment, particularly a kind of primary dewatering equipment that is used for the potassium carnallite.
Background technology
At present, the domestic main raw material that uses of metallurgy of megnesium industry is a giobertite, and is also increasing to the demand of magnesite along with the metallurgy of megnesium industrial expansion, but the magnesite resource of China is limited, is difficult to guarantee the sustainable development of metallurgy of megnesium industry.So abundant salt lake resources in NORTHWEST CHINA area, the new raw material that salt pan potassium light halogen ore has become electrolytic magnesium to produce, original salt pan potassium carnallite must be through desalting, after primary dewatering, second melting dewatering process be processed into anhydrous potassium carnallite, can meeting the requirement of electrolysis system magnesium.In the past, the primary dewatering of potassium carnallite is to finish with bulky rotary kiln always, and its production capacity is little, is not easy to realize mechanization, automation mechanized operation.
The utility model content
The purpose of this utility model is that the utility model provides a kind of primary dewatering equipment that is used for the potassium carnallite.This equipment and technology advanced person, volume is little, and production capacity is big, is easy to realize mechanization, automation mechanized operation.
The technical solution of the utility model.A kind of primary dewatering equipment that is used for the potassium carnallite.This equipment is provided with three dewatering station at length direction, is respectively first dewatering station, second dewatering station and the 3rd dewatering station; Be provided with dividing plate between dewatering station and the dewatering station, dividing plate is provided with spout hole; The bottom of each dewatering station is respectively equipped with gas holder, and gas holder is provided with hot gas approach; Be provided with the ebullated bed sieve plate between each dewatering station and the gas holder, the ebullated bed sieve plate is provided with one group of pore; First dewatering station is provided with charging aperture; The 3rd dewatering station is provided with discharging opening.
The above-mentioned primary dewatering equipment that is used for the potassium carnallite, the ebullated bed sieve plate area of described first dewatering station is 13～14m
2, with 13.4m
2Be the best; The ebullated bed sieve plate area of second dewatering station is 12～13m
2, with 12.6m
2Be the best; The ebullated bed sieve plate area of the 3rd dewatering station is 6～8m
2, with 7m
2Be the best.
The aforesaid primary dewatering equipment that is used for the potassium carnallite, described ebullated bed sieve plate is provided with one group of pore, and the percent opening of pore is 1～2%, is the best with 1.67%; Be provided with sleeve pipe in the pore, sleeve pipe is provided with flat blowing cap, and flat blowing cap is provided with one group of wind hole; The ebullated bed sieve plate is hollow sieve-plate structure, and the ebullated bed sieve plate is provided with the cooling air interface.
The aforesaid primary dewatering equipment that is used for the potassium carnallite, the cabinet of described gas holder is an interlayer, is filled with heat-barrier material in the interlayer; Gas holder is provided with gas holder venting and gas holder access hole.
The aforesaid primary dewatering equipment that is used for the potassium carnallite, described each dewatering station side is equipped with observation panel and dewatering station's access hole; Each dewatering station top is equipped with the tail gas outlet and returns dirt mouth and dewatering station's venting.
The aforesaid primary dewatering equipment that is used for the potassium carnallite, described charging aperture place is provided with setting gauge.
Compared with prior art, the primary dewatering equipment of the potassium carnallite that the utility model provides is compared with the dehydration of the rotary kiln of available technology adopting, this equipment and technology advanced person, and volume is little, and production capacity is big, is easy to realize mechanization, automation mechanized operation.Through experiment test, production capacity index of the present utility model: produce 150～200 tons of primary dewatering carnallites every day, by shining plate unit are production capacity: 187～250kg/m
2H, energy consumption of unit product: 3900～4600KJ/Kg primary dewatering potassium carnallite.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of ebullated bed sieve plate.
Being labeled as in the accompanying drawing: 1-first dewatering station, 2-second dewatering station, 3-the 3rd dewatering station, the 4-dividing plate, 5-spout hole, 6-gas holder, the hot gas approach of 7-, 8-ebullated bed sieve plate, 9-pore, the 10-charging aperture, 11-discharging opening, 12-sleeve pipe, the flat blowing of 13-cap, 14-wind hole, 15-cooling air interface, the 16-heat-barrier material, 17-gas holder venting, 18-overhaul gas container mouth, 19-observation panel, 20-dewatering station access hole, the outlet of 21-tail gas, 22-returns the dirt mouth, 23-dewatering station venting, 24-setting gauge, the 25-exhaust opening of lighting a fire.
The specific embodiment
The utility model is described in further detail below in conjunction with embodiment, but not as to restriction of the present utility model.
Embodiment of the present utility model.A kind of primary dewatering equipment that is used for the potassium carnallite, as depicted in figs. 1 and 2.This equipment is provided with three dewatering station at length direction, is respectively first dewatering station 1, second dewatering station 2 and the 3rd dewatering station 3; Ebullated bed sieve plate 8 areas of first dewatering station 1 are 13～14m
2, with 13.4m
2Be the best; Ebullated bed sieve plate 8 areas of second dewatering station 2 are 12～13m
2, with 12.6m
2Be the best; Ebullated bed sieve plate 8 areas of the 3rd dewatering station 3 are 6～8m
2, with 7m
2Be the best.Be provided with dividing plate 4 between dewatering station and the dewatering station, dividing plate 4 is provided with spout hole 5; First dewatering station 1 is provided with charging aperture 10 and igniting exhaust opening 25; Charging aperture 10 places are provided with setting gauge 24.The 3rd dewatering station 3 is provided with discharging opening 11.Each dewatering station side is equipped with observation panel 19 and dewatering station's access hole 20; Each dewatering station top is equipped with tail gas outlet 21 and returns dirt mouth 22 and dewatering station's venting 23.The bottom of each dewatering station is respectively equipped with gas holder 6, and the cabinet of gas holder 6 is an interlayer, is filled with heat-barrier material 16 in the interlayer; Gas holder 6 is provided with gas holder venting 17 and gas holder access hole 18.Gas holder 6 is provided with hot gas approach 7; Be provided with ebullated bed sieve plate 8 between each dewatering station and the gas holder 6, as shown in Figure 3, ebullated bed sieve plate 8 is provided with one group of pore 9; The percent opening of pore 9 is 1～2%, is the best with 1.67%; Be provided with sleeve pipe 12 in the pore 9, sleeve pipe 12 is provided with flat blowing cap 13, and flat blowing cap 13 is provided with one group of wind hole 14; Ebullated bed sieve plate 8 is hollow sieve-plate structure, and ebullated bed sieve plate 8 is provided with cooling air interface 15.
The course of work of the present utility model:
Potassium carnallite material enters dehydration equipment by setting gauge 24 by the charging aperture 10 of first dewatering station 1, successively through first dewatering station 1, second dewatering station 2 and the 3rd dewatering station 3 through in various degree stage dehydration, the discharging opening 11 from the 3rd dewatering station 3 flows out at last.The material of each dewatering station flows into next dewatering station automatically by the spout hole on the dividing plate between dewatering station and the dewatering station, carries out the dehydration in next stage.Whole dehydration is successively carried out.The area of ebullated bed sieve plate 8 is 13.4m in first dewatering station 1
2, the hot-air inlets temperature of first dewatering station, 1 below gas holder 6 is 350～400 ℃, fluidized layer temperature is 125～135 ℃ of attached water and partially crystallizable water of being mainly used to remove in the material, and raising enters the boiling bed material temperature.The area of ebullated bed sieve plate 8 is 12.6m in second dewatering station 2
2, the hot-air inlets temperature of second dewatering station, 2 below gas holders 6 is 380～430 ℃, fluidized layer temperature is mainly used to slough the crystallization water for 150～180 ℃, makes potassium carnallite material carry out following conversion: Mgcl2*Kcl*6H2O → Mgcl2*Kcl*2H2O; The area of ebullated bed sieve plate 8 is 7.0m in the 3rd dewatering station 3
2, the hot-air inlets temperature of the 3rd dewatering station 3 below gas holders 6 is 400～450 ℃ and is mainly used to further remove the crystallization water, makes potassium carnallite material carry out following conversion: Mgcl2*2H2o → Mgcl2*0.5H2O.The hot-air of each dewatering station is entered by gas holder, enters the boiling bed dehydration through ebullated bed sieve plate 8, and tail gas is discharged from the tail gas outlet 21 of each dewatering station's furnace roof, tail gas is outside stove after the dedusting of whirlwind deduster, go the scrubbing tower washing, during the hydrolysis of flush away carnallite, the hydrogen chloride of generation; The carnallite dust that the cyclone dust collectors of each dewatering station (external equipment does not belong to utility model) reclaim enters previous stage dewatering station from the dirt mouth 22 that returns of previous stage dewatering station, continues dehydration.And the dust that the cyclone dust collectors of the 3rd dewatering station 3 reclaim then reclaims as qualified dehydrating prods.Ebullated bed sieve plate 8 gross areas of the utility model potassium carnallite primary dewatering fluidized bed furnace are 33m
2The qualified dehydrating prods composition that comes out from the 3rd dewatering station 3 discharging openings is: Mgcl245～46%, and Kcl35～36%, H2O ≯ 5%, Nacl7%, Mgo 2.5%.The needs of primary dewatering carnallite have been satisfied to further fusion chlorination, dehydration.
For preventing high-boiling bed sieve plate 8 fusion potassium carnallites, ebullated bed sieve plate 8 is hollow sieve-plate structure, and has 1584 of flat fire type blast caps, ebullated bed percent opening 1.67%, and hollow sieve plate feeds a certain amount of cooling air, to reduce the sieve plate surface temperature.The potassium carnallite fusion that prevention is not seethed with excitement causes the boiling dehydration destroyed.
Claims (8)
1. primary dewatering equipment that is used for the potassium carnallite, it is characterized in that: this equipment is provided with three dewatering station at length direction, is respectively first dewatering station (1), second dewatering station (2) and the 3rd dewatering station (3); Be provided with dividing plate (4) between dewatering station and the dewatering station, dividing plate (4) is provided with spout hole (5); The bottom of each dewatering station is respectively equipped with gas holder (6), and gas holder (6) is provided with hot gas approach (7); Be provided with ebullated bed sieve plate (8) between each dewatering station and the gas holder (6), ebullated bed sieve plate (8) is provided with one group of pore (9); First dewatering station (1) is provided with charging aperture (10); The 3rd dewatering station (3) is provided with discharging opening (11).
2. the primary dewatering equipment that is used for the potassium carnallite according to claim 1 is characterized in that: ebullated bed sieve plate (8) area of described first dewatering station (1) is 13～14m
2Ebullated bed sieve plate (8) area of second dewatering station (2) is 12～13m
2Ebullated bed sieve plate (8) area of the 3rd dewatering station (3) is 6～8m
2
3. the primary dewatering equipment that is used for the potassium carnallite according to claim 2 is characterized in that: described ebullated bed sieve plate (8) is provided with one group of pore (9), and the percent opening of pore (9) is 1～2%; Be provided with sleeve pipe (12) in the pore (9), sleeve pipe (12) is provided with flat blowing cap (13), and flat blowing cap (13) is provided with one group of wind hole (14); Ebullated bed sieve plate (8) is hollow sieve-plate structure, and ebullated bed sieve plate (8) is provided with cooling air interface (15).
4. the primary dewatering equipment that is used for the potassium carnallite according to claim 1 is characterized in that: the cabinet of described gas holder (6) is an interlayer, is filled with heat-barrier material (16) in the interlayer; Gas holder (6) is provided with gas holder venting (17) and gas holder access hole (18).
5. the primary dewatering equipment that is used for the potassium carnallite according to claim 1 is characterized in that: described each dewatering station side is equipped with observation panel (19) and dewatering station's access hole (20); Each dewatering station top is equipped with tail gas outlet (21) and returns dirt mouth (22) and dewatering station's venting (23).
6. the primary dewatering equipment that is used for the potassium carnallite according to claim 1 is characterized in that: described charging aperture (10) locates to be provided with setting gauge (24).
7. the primary dewatering equipment that is used for the potassium carnallite according to claim 2 is characterized in that: ebullated bed sieve plate (8) area of described first dewatering station (1) is 13.4m
2Ebullated bed sieve plate (8) area of second dewatering station (2) is 12.6m
2Ebullated bed sieve plate (8) area of the 3rd dewatering station (3) is 7m
2
8. the primary dewatering equipment that is used for the potassium carnallite according to claim 3 is characterized in that: described ebullated bed sieve plate (8) is provided with one group of pore (9), and the percent opening of pore (9) is 1.67%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203020647U CN201302350Y (en) | 2008-09-09 | 2008-09-09 | Primary dewatering device for carnallite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203020647U CN201302350Y (en) | 2008-09-09 | 2008-09-09 | Primary dewatering device for carnallite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201302350Y true CN201302350Y (en) | 2009-09-02 |
Family
ID=41085976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203020647U Expired - Lifetime CN201302350Y (en) | 2008-09-09 | 2008-09-09 | Primary dewatering device for carnallite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201302350Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226628A (en) * | 2011-06-03 | 2011-10-26 | 重庆邮电大学 | Method and device for drying strontium chloride hexahydrate |
-
2008
- 2008-09-09 CN CNU2008203020647U patent/CN201302350Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226628A (en) * | 2011-06-03 | 2011-10-26 | 重庆邮电大学 | Method and device for drying strontium chloride hexahydrate |
| CN102226628B (en) * | 2011-06-03 | 2013-08-07 | 重庆邮电大学 | Method for drying strontium chloride hexahydrate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUIYANG ALUMINUM AND MAGNESIUM DESIGN INSTITUTE CO Free format text: FORMER OWNER: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INST. Effective date: 20110602 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 550004 NO. 208, BEIJING ROAD, GUIYANG CITY, GUIZHOU PROVINCE TO: 550081 NO. 2, JINZHU ROAD, JINYANG NEW DISTRICT, GUIYANG CITY, GUIZHOU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110602 Address after: 550081 Guiyang Province, Jinyang New District, Zhu Zhu Road, No. 2 Patentee after: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. Address before: 550004 No. 208, Beijing Road, Guiyang, Guizhou Patentee before: Guiyang Aluminium and Magnesium Design Inst. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090902 |