CN108905266A - Chlorine, potassium ion device in a kind of removal sode ash - Google Patents
Chlorine, potassium ion device in a kind of removal sode ash Download PDFInfo
- Publication number
- CN108905266A CN108905266A CN201810843189.9A CN201810843189A CN108905266A CN 108905266 A CN108905266 A CN 108905266A CN 201810843189 A CN201810843189 A CN 201810843189A CN 108905266 A CN108905266 A CN 108905266A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- chlorine
- removal
- potassium ion
- ion device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910001414 potassium ion Inorganic materials 0.000 title claims abstract description 22
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000000460 chlorine Substances 0.000 title claims abstract description 20
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 20
- 239000013078 crystal Substances 0.000 claims abstract description 48
- 238000002425 crystallisation Methods 0.000 claims description 14
- 230000008025 crystallization Effects 0.000 claims description 14
- 239000002002 slurry Substances 0.000 abstract description 13
- 230000007423 decrease Effects 0.000 description 5
- 230000004087 circulation Effects 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
Abstract
The invention discloses the chlorine in a kind of removal sode ash, potassium ion device, including crystallizing tank, filter screen, movable part, driving mechanism and conveying mechanism, several layers filter screen is equipped in the crystallizing tank, the hole size of filter screen described in several layers from top to bottom successively reduces, filter screen structure low between surrounding senior middle school, through-hole is equipped in the middle part of the strainer, the movable part is equipped with groove, the driving structure drives the movable part to do the reciprocating motion of the relatively described filter screen in the through hole, the movable part takes the crystal in lower layer's filter screen in upper level filter net to, crystal in top layer's filter screen is taken in conveying mechanism, crystal is transported to outside crystallizing tank by conveying mechanism.The invention reside in provide it is a kind of removal sode ash in chlorine, potassium ion device, avoid crystallized crystal grain from being again introduced into slurries.
Description
Technical field
Chlorine, potassium ion device the present invention relates to sode ash processing technology field, in particular in a kind of removal sode ash.
Background technique
In the process of running, black liquor constantly enters hearth combustion to alkali recovery boiler, and the sode ash dust of formation is by being recycled back to
It receives and utilizes, due to containing the impurity such as chloride ion and potassium ion in dust, so that the chloride ion and potassium content in burner hearth are continuous
It increases.It is gone in removing chloride and potassium ion technology in sode ash at present, the crystalline temperature of the main main component for utilizing sode ash and impurity
Sode ash is dissolved and carries out repeated crystallization after forming slurry to remove impurity by different difference.It is tiny at that time during crystallization
Crystal grain constantly enter in heater and recycled, the slurries in heater belong to unsaturated liquid, and the crystal grain of entrance can be again
It is secondary to be dissolved into slurries, the problems such as causing crystallization rate slow.
Summary of the invention
For the above-mentioned prior art, the invention reside in the chlorine provided in a kind of removal sode ash, potassium ion device, avoid
The crystal grain of crystallization is again introduced into slurries.
The technical proposal of the invention is realized in this way：
Chlorine, potassium ion device in a kind of removal sode ash, including crystallizing tank, filter screen, movable part, driving mechanism and conveying
Mechanism, the crystallizing tank is interior to be equipped with several layers filter screen, and the mesh size of filter screen described in several layers from top to bottom successively reduces,
Filter screen structure low between surrounding senior middle school, the strainer middle part are equipped with through-hole, and the movable part is equipped with groove, the drive
Dynamic structure drives the movable part to do the reciprocating motion of the relatively described filter screen in the through hole, and the movable part is by lower layer's mistake
Crystal in strainer takes in upper level filter net, takes the crystal in top layer's filter screen in conveying mechanism to, and conveying mechanism will
Crystal is transported to outside crystallizing tank.
Further, the driving structure includes the first telescopic rod and the second telescopic rod, first telescopic rod and described
Movable part connection, second telescopic rod are connected with the filter screen.
Further, the filter screen is connected with each other by connecting rod.
Further, the scraper plate of the filter screen being surrounded by for striking off crystallization top tank structure.
Further, the movable part includes cylindrical piece, central axis and bottom plate, and the cylindrical piece is equidistantly fixed in described
In mandrel, the bottom plate is fixed on the bottom of the central axis, and the central axis is connected with the driving mechanism.
Further, the cylindrical piece top is equipped with groove, lower part is equipped with back taper convex block.
Further, the bottom of the groove is back taper.
Further, the structure for conveying includes horizontal auger and vertical auger conveyor, the vertical spiral
The shaft of conveyer is hollow structure and covers on the central axis that the horizontal auger and the vertical conveyer connect
It connects.
Further, the shaft of the vertical auger conveyor stretches out 2~20mm of shell of the vertical auger conveyor.
Further, the top of the crystallizing tank is equipped with dehydrater.
The beneficial effects of the present invention are：Multiple filtration net is filtered slurries, and crystal grain is filtered out, and avoids crystal grain
Into in heater, crystallization rate is improved.In crystallizing tank, crystallite dimension is gradually increased from bottom to up, big crystal grain above,
Close to fresh slurries, big crystal grain is easier to grow up, and avoids the crystallization being precipitated from forming multiple tiny crystal grain, so that crystallizing tank
The quantity of middle crystal grain is reduced, and the average external volume of crystal grain increases.The average external volume increase of crystal grain can reduce crystal grain and enter heater
The quantity of circulation improves crystallization rate, improves impurity-eliminating effect.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred embodiment of the present invention, for
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 declines status architecture schematic diagram for movable part in a kind of chlorine removed in sode ash of the present invention, potassium ion device；
Fig. 2 is movable part propradation structural schematic diagram in a kind of chlorine removed in sode ash of the present invention, potassium ion device；
In figure, 1 crystallizing tank, 2 filter screens, 3 movable parts, 4 through-holes, 5 grooves, 6 first telescopic rods, 7 second telescopic rods, 8 connect
Bar, 9 plates are scraped, 10 cylindrical pieces, 11 central axises, 12 bottom plates, 13 convex blocks, 14 horizontal augers, 15 vertical auger conveyors, and 16
Dehydrater.
Specific embodiment
In order to be best understood from the technology of the present invention content, be provided below specific embodiment, and in conjunction with attached drawing to the present invention do into
The explanation of one step.
Embodiment 1
Referring to Fig. 1 to 2, it is a kind of removal sode ash in chlorine, potassium ion device, including crystallizing tank 1, filter screen 2, movable part 3,
Driving mechanism and conveying mechanism, the crystallizing tank 1 is interior to be equipped with several layers filter screen 2, the mesh size of filter screen 2 described in several layers
It from top to bottom successively reduces, the filter screen 2 structure low between surrounding senior middle school, through-hole 4, the work is equipped in the middle part of the strainer
Moving part 3 is equipped with groove 5, and the driving structure drives the movable part 3 to do the reciprocal of the relatively described filter screen 2 in the through hole
Movement, the movable part 3 takes the crystal in lower layer's filter screen 2 in upper level filter net 2 to, by the crystalline substance in top layer's filter screen 2
Body takes in conveying mechanism, and crystal is transported to outside crystallizing tank 1 by conveying mechanism.
The present apparatus and heater, circulating pump are linked to be to the entirety of a circulation, the slurries come in from heater are from top
It is vaporization chamber at the top of crystallizing tank 1 into crystallizing tank 1, the slurry into vaporization chamber evaporates cooling, with the evaporation of moisture, sulphur
Sour sodium is crystallized out from size circulations liquid, while chloride ion in size circulations liquid and potassium concentration are also higher and higher.?
Crystallization is formed in crystallizing tank 1, the crystal density of formation is greater than the density of slurries, and crystallization overcomes under slurries flowing and gravity
Buoyancy and frictional force are fallen in the filter screen 2 of top layer, and short grained crystal passes through filter screen 2 and falls downwards, final different
Crystal grain it is at different heights in crystallizing tank 1.The crystal grain of bulky grain is in top, and short grained crystal grain is in down
Side.The slurries just come in, which are concentrated by evaporation, is precipitated crystallization, and the crystallization that a part of vulcanized sodium is precipitated is attached on original crystal, makes original
First crystal grain continues to grow up.Crystal grain on every layer of filter screen 2 is all grown to a certain extent, the crystal grain on top layer's filter screen 2
Most fast, the coarse grains of formation are grown, is not easy to repeat to enter in heating tube, improves crystallization rate, improve filter effect.Crystallizing tank
Driving structure driving filter screen 2 and movable part 3 do opposite reciprocating motion in 1, since filter screen 2 is back taper, in filter screen 2
It can not can draw close, finally fall into the groove 5 of movable part 3, movable part 3 to center through the crystal grain of filter screen 2 when movement
Next layer of crystal grain is taken in upper one layer when moving upwards, the crystal grain grown up in next layer is taken in upper one layer, it will most
The crystal grain on upper layer takes in conveying device, and conveying device conveys crystal grain outward, realizes the separation of crystal grain.
Specifically, the driving structure includes the first telescopic rod 6 and the second telescopic rod 7, first telescopic rod 6 and described
Movable part 3 connects, and second telescopic rod 7 and the filter screen 2 connect.It controls the elongation of the first telescopic rod 6 or shortens, realize
The rising or decline of movable part 3.It controls the elongation of the second telescopic rod 7 and perhaps shortens the rising or decline for realizing filter screen 2.
The up and down motion of filter screen 2 avoids crystal grain from being adsorbed on filter screen 2, improves filter effect.
Specifically, the filter screen 2 is connected with each other by connecting rod 8.When the second 7 drive link 8 of telescopic rod, in crystallizing tank 1
2 mass motion of filter screen.Specifically, the scraper plate of the filter screen 2 being surrounded by for striking off 1 inner wall of crystallizing tank.Filtering
When net 2 moves up and down, the crystal grain of 1 inner wall of crystallizing tank is struck off.
Specifically, the movable part 3 includes cylindrical piece 10, central axis 11 and bottom plate 12, the cylindrical piece 10 is equidistantly fixed
On the central axis 11, the bottom plate 12 is fixed on the bottom of the central axis 11, the central axis 11 and the driving machine
Structure connection.Specifically, 10 top of cylindrical piece is equipped with groove 5, lower part is equipped with back taper convex block 13.Movable part 3 moves up and down,
Central axis 11 is connected with driving structure, and cylindrical piece 10 is promoted, and draws the crystal grain on next layer of filter screen 2 to upper one layer, will most
The crystal grain on upper layer is drawn into conveying device, and cylindrical piece 10 slowly rises when rising, rapid decrease when decline, during decline
Quick washing is suspended in the crystal grain in slurries, so that crystal grain is scattered in the surrounding of filter screen 2.When central axis 11 moves to the top
When, bottom plate 12 seals undermost filter screen 2, and crystal grain is avoided to drop out.Specifically, the bottom of the groove 5 is back taper.It is brilliant
Grain concentrates the middle part for being pooled to cylindrical piece 10.
Embodiment 2
Referring to Fig. 1 to 2, the present embodiment the difference from embodiment 1 is that, the structure for conveying includes horizontal auger
14 and vertical auger conveyor 15, the shaft of the vertical auger conveyor 15 is hollow structure and covers in the central axis 11
On, the horizontal auger 14 is connected with the vertical conveyer.Specifically, the shaft of the vertical auger conveyor 15
Stretch out 2~20mm of shell of the vertical auger conveyor 15.The cylindrical body of top layer moves upwards, and withstands on vertical conveying
Crystal grain is delivered up by the helical axis rotation of the lower section of device, vertical helix transporting device, again by cylindrical piece after conveying a period of time
10 put down.Vertical auger conveyor 15 and horizontal auger 14 connect, and horizontal auger 14 conveys crystal grain outward.
Specifically, the top of the crystallizing tank 1 is equipped with dehydrater 16.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. chlorine, potassium ion device in a kind of removal sode ash, which is characterized in that including crystallizing tank, filter screen, movable part, driving
Mechanism and conveying mechanism, are equipped with several layers filter screen in the crystallizing tank, the mesh size of filter screen described in several layers by up to
Under successively reduce, filter screen structure low between surrounding senior middle school is equipped with through-hole in the middle part of the strainer, and the movable part is equipped with
Groove, the driving structure drive the movable part to do the reciprocating motion of the relatively described filter screen, the work in the through hole
Crystal in lower layer's filter screen is taken in upper level filter net, takes the crystal in top layer's filter screen to conveying mechanism by moving part
In, crystal is transported to outside crystallizing tank by conveying mechanism.
2. chlorine, potassium ion device in a kind of removal sode ash according to claim 1, which is characterized in that the driving knot
Structure includes the first telescopic rod and the second telescopic rod, and first telescopic rod connect with the movable part, second telescopic rod with
The filter screen connection.
3. chlorine, potassium ion device in a kind of removal sode ash according to claim 1, which is characterized in that the filter screen
It is connected with each other by connecting rod.
4. chlorine, potassium ion device in a kind of removal sode ash according to claim 2, which is characterized in that the filter screen
Be surrounded by for strike off crystallization top tank structure scraper plate.
5. chlorine, potassium ion device in a kind of removal sode ash according to claim 1, which is characterized in that the movable part
Including cylindrical piece, central axis and bottom plate, the cylindrical piece is equidistantly fixed on the central axis, and the bottom plate is fixed in described
The bottom of mandrel, the central axis are connected with the driving mechanism.
6. chlorine, potassium ion device in a kind of removal sode ash according to claim 5, which is characterized in that the cylindrical piece
Top is equipped with groove, lower part is equipped with back taper convex block.
7. chlorine, potassium ion device in a kind of removal sode ash according to claim 6, which is characterized in that the groove
Bottom is back taper.
8. chlorine, potassium ion device in a kind of removal sode ash according to claim 1, which is characterized in that the conveying knot
Structure includes horizontal auger and vertical auger conveyor, and the shaft of the vertical auger conveyor is hollow structure and covers
On the central axis, the horizontal auger is connected with the vertical conveyer.
9. chlorine, potassium ion device in a kind of removal sode ash according to claim 8, which is characterized in that the vertical spiral shell
The shaft of rotation conveyer stretches out 2~20mm of shell of the vertical auger conveyor.
10. chlorine, potassium ion device in a kind of removal sode ash according to claim 1, which is characterized in that the crystallizing tank
Top be equipped with dehydrater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810843189.9A CN108905266B (en) | 2018-07-27 | 2018-07-27 | Device for removing chloride and potassium ions in alkali ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810843189.9A CN108905266B (en) | 2018-07-27 | 2018-07-27 | Device for removing chloride and potassium ions in alkali ash |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108905266A true CN108905266A (en) | 2018-11-30 |
| CN108905266B CN108905266B (en) | 2021-01-22 |
Family
ID=64415988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810843189.9A Active CN108905266B (en) | 2018-07-27 | 2018-07-27 | Device for removing chloride and potassium ions in alkali ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108905266B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603191A (en) * | 2018-12-18 | 2019-04-12 | 申恒杰 | Method for crystallising is used in a kind of mass production of heavy soda ash |
| CN109603192A (en) * | 2018-12-18 | 2019-04-12 | 申恒杰 | Crystallizing tank is used in a kind of mass production of heavy soda ash |
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| EP0721791A1 (en) * | 1993-06-17 | 1996-07-17 | GRIFFITHS, Kenneth F | Closed system multistage superpurification recrystallization |
| EP1256367A2 (en) * | 2001-04-27 | 2002-11-13 | Korporam B.V. | Multi-stage counter-current crystallization apparatus |
| US20090112040A1 (en) * | 2005-03-30 | 2009-04-30 | Tsukishima Kikai Co., Ltd. | Method for Adiabatic Cooling Type Crystallization of Organic Compound and Apparatus Therefor |
| CN104674004A (en) * | 2015-03-12 | 2015-06-03 | 吉首大学 | Device for vibratory removal of calcium and magnesium ions in manganese sulfate solution after crystallization |
| JP2016165720A (en) * | 2015-03-06 | 2016-09-15 | Ｊｆｅスチール株式会社 | Crystallizer and crystallization method |
| CN206262143U (en) * | 2016-11-29 | 2017-06-20 | 江西肯特化学有限公司 | A kind of 4-propyl bromide crystallizer |
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| CN207463213U (en) * | 2017-10-19 | 2018-06-08 | 黄山邦森新材料有限公司 | A kind of n-vinyl pyrrolidone crystallizer |
| CN207546001U (en) * | 2017-11-14 | 2018-06-29 | 耒阳金悦科技发展有限公司 | A kind of potassium chlorate separator that crystalline solid is collected convenient for user |
| CN207614392U (en) * | 2017-12-03 | 2018-07-17 | 漳浦新时代农业开发有限公司 | A kind of fertile urea extraction element of agricultural |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0721791A1 (en) * | 1993-06-17 | 1996-07-17 | GRIFFITHS, Kenneth F | Closed system multistage superpurification recrystallization |
| EP1256367A2 (en) * | 2001-04-27 | 2002-11-13 | Korporam B.V. | Multi-stage counter-current crystallization apparatus |
| US20090112040A1 (en) * | 2005-03-30 | 2009-04-30 | Tsukishima Kikai Co., Ltd. | Method for Adiabatic Cooling Type Crystallization of Organic Compound and Apparatus Therefor |
| JP2016165720A (en) * | 2015-03-06 | 2016-09-15 | Ｊｆｅスチール株式会社 | Crystallizer and crystallization method |
| CN104674004A (en) * | 2015-03-12 | 2015-06-03 | 吉首大学 | Device for vibratory removal of calcium and magnesium ions in manganese sulfate solution after crystallization |
| CN206262143U (en) * | 2016-11-29 | 2017-06-20 | 江西肯特化学有限公司 | A kind of 4-propyl bromide crystallizer |
| CN206724614U (en) * | 2017-04-11 | 2017-12-08 | 四川什邡市三高生化实业有限公司 | A kind of amino acid medicine intermediate crystallizations drying device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603191A (en) * | 2018-12-18 | 2019-04-12 | 申恒杰 | Method for crystallising is used in a kind of mass production of heavy soda ash |
| CN109603192A (en) * | 2018-12-18 | 2019-04-12 | 申恒杰 | Crystallizing tank is used in a kind of mass production of heavy soda ash |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108905266B (en) | 2021-01-22 |
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