CN2621787Y - Duplex crystallizer - Google Patents
Duplex crystallizer Download PDFInfo
- Publication number
- CN2621787Y CN2621787Y CN 03225660 CN03225660U CN2621787Y CN 2621787 Y CN2621787 Y CN 2621787Y CN 03225660 CN03225660 CN 03225660 CN 03225660 U CN03225660 U CN 03225660U CN 2621787 Y CN2621787 Y CN 2621787Y
- Authority
- CN
- China
- Prior art keywords
- blending
- frame
- shaft
- crystallizing
- cavity
- 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.)
- Expired - Lifetime
Links
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000002425 crystallisation Methods 0.000 claims description 43
- 230000005712 crystallization Effects 0.000 claims description 43
- 238000003756 stirring Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract 10
- 241000143392 Oar Species 0.000 abstract 5
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000000376 reactant Substances 0.000 description 6
- HQAITFAUVZBHNB-UHFFFAOYSA-N sodium;pentahydrate Chemical compound O.O.O.O.O.[Na] HQAITFAUVZBHNB-UHFFFAOYSA-N 0.000 description 6
- FFQBWYTWHOTQFS-UHFFFAOYSA-N dioxido-bis(trioxidosilyloxy)silane Chemical compound [O-][Si]([O-])([O-])O[Si]([O-])([O-])O[Si]([O-])([O-])[O-] FFQBWYTWHOTQFS-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 241000273930 Brevoortia tyrannus Species 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
Abstract
A duplex crystallizer includes a crystallizing cavity, a blender seat, a blending shaft, a blending oar, a material inlet and a material outlet; the device is characterized in that a pre-crystallizer is arranged in front of the material inlet; the pre- crystallizer consists of a crystallizing cavity, a blender seat, a blending shaft, a blending oar, a material inlet and a material outlet, a flow guide cylinder and a temperature-regulating discharging pipe arranged between the crystallizing cavity and the flow guide cylinder; the blending oar is three or more than three frame-typed spiral leaf blending oar; each frame-typed spiral leaf blending oar consists of two or more than two spiral leaves; one end of the spiral leaf is fixed on the blending shaft and the other end is fixed on the leaf frame; the leaf frame is fixed on the blending shaft; a clapboard with a radial groove is arranged between the three bottom frame-typed spiral leaf blending oars; the outer side of the crystallizing cavity is still provided with a cooling clamp set. With the structure, the heating and cooling of the material are uniform and quick; the action is complete; the crystallizing quality is good and stable; the crystallizing time is greatly shortened; the crystallizing process can be done continuously; and the ability of preparation is large.
Description
Technical field the utility model relates to the alkali silicate crystallization apparatus, particularly relates to a kind of crystallization apparatus of metasilicate pentahydrate sodium.
The metasilicate pentahydrate sodium crystallization apparatus single-machine capacity that background technology is traditional is little, the component design of not having any increase and decrease temperature, its reaction time is long, and do not do the accurate reaction time between each structure and calculate, make flow process of every operation, suspend and to continue operation after the wait material reaction is finished, so above-mentioned existing crystallization apparatus, existing can only intermittent operation, equipment takes up space greatly, preparative capacibility is low, the disadvantage of poor product quality, and exists the significant deficiency of different batches unstable product quality.
The summary of the invention the purpose of this utility model provides and a kind ofly can move continuously, the compound crystallization apparatus of capacity of equipment height, constant product quality.
The utility model provides a kind of compound crystallization apparatus for this reason, comprises crystallization cavity, stirs support, shaft, and paddle, charging aperture and discharging opening is characterized in that:
Before charging aperture, be provided with by crystallization cavity, stir support, shaft, paddle, charging aperture, discharging opening, guide shell and be located at crystallization cavity and guide shell between the pre-crystallizer formed of temperature adjustment comb;
Above-mentioned paddle is 3 or 3 above frame helical blade paddles, each frame helical blade paddle is made up of 2 or 2 above helical blades, one end of helical blade is fixed on the shaft, the other end is with being connected on the blade frame, the blade frame is fixed on the shaft, between nethermost 3 frame helical blade paddles, respectively be provided with a dividing plate that radial slot arranged, the crystallization cavity outside also is provided with cooling jacket.
For make reactant liquor each the section in the stop long period, stir more even, interlaced 180 ° of the radial slot on the aforementioned barriers.
The utility model is compared with the prior art, and has tangible advantage and good effect.Pre-crystallizer is provided with guide shell and temperature adjustment comb, and the stirring by paddle forms in guide shell
A stable liquid stream makes the material heating and cooling evenly rapid, sufficient reacting; Crystallization apparatus is provided with a plurality of frame helical blade paddles and dividing plate, and by segmented cooling and stirring, the time of staying of reactant liquor in each section is longer, stir evenly again, the crystal mass of crystallization is good and stablize, and crystallization time shortens greatly, therefore can move continuously, preparative capacibility is also big.
Description of drawings the utility model has the following drawings:
Fig. 1 is a crystallization apparatus structural representation of the present utility model;
Fig. 2 is a frame helical blade paddle structural representation of the present utility model;
Fig. 3 is the upper spacer structural representation of Fig. 2;
Fig. 4 is the lower clapboard structural representation of Fig. 2.
Among the figure:
1, pre-crystallizer, 11, stir support, 12, charging aperture, 13, crystallization cavity, 14, temperature adjustment comb, 15, shaft, 16, guide shell, 17, paddle, 18, discharging opening, 2, crystallization apparatus, 21, stir support, 22, charging aperture, 23, shaft, 24, frame helical blade paddle, 241, helical blade, 242, the blade frame, 25, cooling jacket, 26, discharging opening, 27, upper spacer, 271, radial slot, 28, lower clapboard, 281, radial slot, 29, crystallization cavity.
A kind of compound metasilicate pentahydrate sodium crystallization apparatus of the specific embodiment.
Below in conjunction with accompanying drawing the utility model is elaborated:
This metasilicate pentahydrate sodium crystallization apparatus 2 comprises crystallization cavity 29, stirs support 21, shaft 23, and paddle 24, charging aperture 22 and discharging opening 26 is characterized in that:
Before charging aperture, be provided with by crystallization cavity 13, stir support 11, shaft 15, paddle 17, charging aperture 12, discharging opening 18, guide shell 16, and be located at the pre-crystallizer 1 that the temperature adjustment comb 14 between crystallization cavity 13 and the guide shell 16 is formed;
Above-mentioned paddle 24 is 4 frame helical blade paddles, each helical blade paddle 24 is made up of 4 helical blades 241, helical blade 241 1 ends are fixed on the shaft 23, the other end is fixed on the blade frame 242, blade frame 242 is fixed on the shaft 23, between nethermost 3 frame helical blade paddles 24 upper and lower dividing plate 27,28 is arranged, an interlaced radial slot of 180 ° 271,281 is respectively arranged on the upper and lower dividing plate 27,28, crystallization cavity 29 outsides also are provided with cooling jacket 25.
At dosage bunker the concentration of reactive crystallization liquid oxidation sodium is adjusted into 24%, concentration of silicon dioxide is adjusted into 12%, adds above weight of material 3.6 * 10
-6Nucleation-accelerant neopelex doubly.
Above-mentioned material is put into pre-crystallizer 1, stirring by paddle 17, in guide shell 16, form a stable liquid stream, adjust temperature by temperature adjustment comb 14, reach the purpose of homogeneous reaction, cooling, thereby when making reactant liquor drop to discharging by 85 ℃ of top charging 55 ℃ begin preliminary crystallization, from bottom discharging opening 18 reactant liquor are added crystallization apparatus 2.
In crystallization apparatus 2, add when feeding intake for the first time and count 7.3 * 10 with supplied materials weight
-4Metasilicate pentahydrate sodium crystal seed doubly, seed size is 0.1～0.2 millimeter; Crystallization apparatus 2 carries out the segmented cooling by 4 frame helical blade paddles 24 and upper and lower dividing plate 27,28 and stirs, the control reactant liquor slowly at the uniform velocity descends and lowers the temperature, making reactant liquor time of staying in crystallization apparatus 2 is 1～2 hour, and mainly form crystal region in the bottom of crystallization apparatus 2, when the temperature of crystallization apparatus 2 bottoms is reduced to 40～42 ℃, finish crystallization process, crystallization mixture is discharged continuously from discharging opening 26 later on, wet crystal separates with centrifuge with mother liquor, and mother liquor returns feed proportioning system to be continued to use.
The wet crystal that the discharging opening 26 of the utility model crystallization apparatus 2 is discharged, drop in the fluidized bed dryer, 70 ℃ of heated-air dryings 5～10 minutes, screening then, get 0.5～1 millimeter of granularity at last, contain sodium oxide molybdena 29.5%, silica 28.5%, iron≤0.03%, water-insoluble≤0.20%, the metasilicate pentahydrate sodium finished product of whiteness 〉=75%.
Claims (4)
1, a kind of compound crystallization apparatus comprises crystallization cavity, stirs support, shaft, and paddle, charging aperture and discharging opening is characterized in that:
11 before charging aperture, be provided with, stir support, shaft by crystallization cavity, paddle, charging aperture, discharging opening, guide shell and be located at crystallization cavity and guide shell between the pre-crystallizer formed of temperature adjustment comb;
12 above-mentioned paddles are 3 or 3 above frame helical blade paddles, each frame helical blade paddle is made up of 2 or 2 above helical blades, one end of helical blade is fixed on the shaft, the other end is fixed on the blade frame, the blade frame is fixed on the shaft, between nethermost 3 frame helical blade paddles, respectively be provided with a dividing plate that radial slot arranged, the crystallization cavity outside also is provided with cooling jacket.
2, compound crystallization apparatus as claimed in claim 1 is characterized in that interlaced 180 ° of radial slot on the described dividing plate.
3, compound crystallization apparatus as claimed in claim 1 is characterized in that described frame helical blade paddle number is 4.
4, compound crystallization apparatus as claimed in claim 1 is characterized in that described frame helical blade paddle is made up of 4 helical blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03225660 CN2621787Y (en) | 2003-04-26 | 2003-04-26 | Duplex crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03225660 CN2621787Y (en) | 2003-04-26 | 2003-04-26 | Duplex crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2621787Y true CN2621787Y (en) | 2004-06-30 |
Family
ID=34246115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03225660 Expired - Lifetime CN2621787Y (en) | 2003-04-26 | 2003-04-26 | Duplex crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2621787Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103239886A (en) * | 2013-05-20 | 2013-08-14 | 无锡市华立石化工程有限公司 | Multifunctional heat exchanging device of crystallizing kettle |
| CN103949083A (en) * | 2014-05-07 | 2014-07-30 | 无锡市张华医药设备有限公司 | Crystallization tank |
| CN106277601A (en) * | 2016-08-29 | 2017-01-04 | 山东胜伟园林科技有限公司 | Water collect tank inner salt water separating system |
| CN107638711A (en) * | 2017-09-22 | 2018-01-30 | 南通联源机电科技股份有限公司 | A kind of high intensity Potash Industry crystallizer of simple support |
| CN111686668A (en) * | 2020-04-24 | 2020-09-22 | 宜兴市申生催化剂有限公司 | Preparation equipment and preparation process of catalyst for preparing acrolein through propylene oxidation |
-
2003
- 2003-04-26 CN CN 03225660 patent/CN2621787Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103239886A (en) * | 2013-05-20 | 2013-08-14 | 无锡市华立石化工程有限公司 | Multifunctional heat exchanging device of crystallizing kettle |
| CN103949083A (en) * | 2014-05-07 | 2014-07-30 | 无锡市张华医药设备有限公司 | Crystallization tank |
| CN103949083B (en) * | 2014-05-07 | 2016-04-20 | 无锡市张华医药设备有限公司 | A kind of crystallizing tank |
| CN106277601A (en) * | 2016-08-29 | 2017-01-04 | 山东胜伟园林科技有限公司 | Water collect tank inner salt water separating system |
| CN107638711A (en) * | 2017-09-22 | 2018-01-30 | 南通联源机电科技股份有限公司 | A kind of high intensity Potash Industry crystallizer of simple support |
| CN111686668A (en) * | 2020-04-24 | 2020-09-22 | 宜兴市申生催化剂有限公司 | Preparation equipment and preparation process of catalyst for preparing acrolein through propylene oxidation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130426 Granted publication date: 20040630 |