CN204841004U - Continuous crystallization equipment of phosphate - Google Patents
Continuous crystallization equipment of phosphate Download PDFInfo
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- CN204841004U CN204841004U CN201520409543.9U CN201520409543U CN204841004U CN 204841004 U CN204841004 U CN 204841004U CN 201520409543 U CN201520409543 U CN 201520409543U CN 204841004 U CN204841004 U CN 204841004U
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- circulator
- cooling circulation
- circulation liquid
- crystallizer
- crystallization
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Abstract
The utility model relates to a continuous crystallization equipment of phosphate, equipment is including the crystallizer body that is equipped with refrigeration cycle liquid entry, the export of refrigeration cycle liquid with through refrigeration cycle liquid entry, the export of the refrigeration cycle liquid circulation condensing equipment with this body coupling of crystallizer, the crystallizer body including setting up at the one -level crystallization circulator on crystallizer body upper portion and the secondary crystallization circulator of lower part, one -level crystallization circulator and secondary crystallization circulator between be equipped with the baffle one -level crystallization circulator and secondary crystallization circulator in be equipped with concentration analyzer and temperature sensor respectively, refrigeration cycle liquid entry, the export of refrigeration cycle liquid feed through respectively to the inner chamber of crystallizer body and the outside clamp cover in situ of crystallizer body. Easily operation to can solve the crystalline grain skewness of crystallizer crystallization, and the little problem of holistic average brilliant particle size.
Description
Technical field
The utility model relates to crystallizer technical field, is specifically related to a kind of phosphate continuous crystallisation equipment.
Background technology
The crystallizing tank crystallization that the former employing of phosphate crystal is traditional, crystallization is tiny, and rear operation centrifugal dewatering difficulty, product impurity is many, and quality is undesirable.Traditional crystallizing tank comprises crystallizer body and the circulating condensing system be connected with crystallizer body by loop exit, loop head of band loop exit, loop head, the crystal grain skewness of the crystallizer output of this structure, and the average particle size of entirety is little.
Utility model content
The purpose of this utility model is to overcome defect of the prior art, and design one is easy to operation, and can solve the crystal grain skewness of crystallizer crystallization, and the phosphate continuous crystallisation equipment of the average brilliant granularity minor issue of entirety.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of phosphate continuous crystallisation equipment, it is characterized in that, described equipment comprise be provided with cooling circulation liquid entrance, the crystallizer body of cooling circulation liquid outlet exports with by cooling circulation liquid entrance, cooling circulation liquid the circulation condensation device be connected with crystallizer body, described crystallizer body comprises and is arranged on the first degree crystalline circulator of crystallizer body upper part and the secondary crystallization circulator of bottom; Between described first degree crystalline circulator and secondary crystallization circulator, be provided with dividing plate, in described first degree crystalline circulator and secondary crystallization circulator, be respectively equipped with concentration analyzer and temperature sensor; The outlet of described cooling circulation liquid entrance, cooling circulation liquid is communicated in the inner chamber of crystallizer body and the chuck layer of crystallizer body exterior respectively.
Wherein preferred technical scheme is, described secondary crystallization circulator comprises the axial flow stirrer be arranged under dividing plate, is provided with out brilliant mouth and cooling circulation liquid entrance in the bottom of secondary crystallization circulator.
Preferred technical scheme also has, and described first degree crystalline circulator comprises inner draft tube and external flow guiding cylinder, is provided with axial flow stirrer on inner draft tube top, is provided with charging aperture in the bottom of inner draft tube, is provided with cool cycles outlet on the top of first degree crystalline circulator.
Preferred technical scheme is that described secondary crystallization EGR is turbination further, and described first degree crystalline EGR is cylindrical.
Preferred technical scheme also has further, and described circulation condensation device comprises the circulating pump and heat exchanger that are connected by pipeline, and circulating pump connects cooling circulation liquid outlet by pipeline, and heat exchanger connects cooling circulation liquid entrance by pipeline.
Preferred technical scheme also has further, and described heat exchanger (10) lower end is provided with cooling water inlet, and upper end is provided with coolant outlet.
Advantage of the present utility model and beneficial effect are: described phosphate continuous crystallisation equipment compared with prior art, in above-mentioned state Behavior of Continuous Crystallization Processes, adopt external tubulation circulating condensing system cools, cooling fluid removes the heat of discharging clarified mother liquor from loop exit, send back to crystallizer body bottom portion by circulating pump again, form outer circulation passage.Pending feed liquid adds in first degree crystalline EGR by charging aperture, suspension is under the screw of axial flow stirrer and the promotion of circulating pump, rise along guide shell, then the bottom of first degree crystalline EGR is flow to along the circular passage between inner draft tube and external flow guiding cylinder, again be inhaled into inner draft tube again by crystallizer spacers block rear suspension liquid, define one-level inner cycle channel.In first degree crystalline EGR, the crystal of crystal growth arrives through crystallizer spacer gap in the cavity of secondary internal circulation apparatus under liquid sedimentation effect, submersible type axial flow stirrer is provided with at crystallizer the lower partition, agitator selects suitable rotating speed to make crystal further growth in the cavity of secondary cycle device by stepless time adjustment, qualified magma is discharged by going out brilliant mouth, and namely crystal is divided into I and II to grow.
In crystallizer body, suspension is with higher rate iterative cycles, and to ensure that in crystallizer body that degree of supersaturation is everywhere even, degree of supercooling is lower, farthest avoids the phenomenon that scabs, and greatly enhances the production capacity of crystallizer.Solution outer circulation amount is relatively little, and the degree of supersaturation of solution is less, not easily produces secondary nucleus and is conducive to crystallization operation; There is not crystal fracture problem in clear liquid circulation; In suspension bed, degree of supersaturation all spares to crystal growth and provides good condition.
Balance degree of supersaturation everywhere effectively can fall in Inner eycle, and in first degree crystalline EGR, temperature is relatively high, solution concentration relatively large (being provided with charging aperture).In secondary crystallization EGR, temperature is relatively low, and concentration is also relatively low.Crystallizer of the present utility model is on the basis of inner-outer circulation, the two-stage growth of binding crystal, so the product that DTB (adding the diversing bucket of the dividing plate) crystallizer of its contrast routine is produced has particle greatly, the advantage that particle size distribution is narrow, and this apparatus structure is simple, processing ease.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model phosphate continuous crystallisation equipment.
In figure: A, cooling circulation liquid entrance; B, cooling circulation liquid export; 1, crystallizer body; 2, circulation condensation device; 3, dividing plate; 41,42, axial flow stirrer; 5, brilliant mouth is gone out; 6, inner draft tube; 7, external flow guiding cylinder; 8, charging aperture; 9, circulating pump; 10, heat exchanger; 11, cooling water inlet; 12, coolant outlet; 13, chuck layer; 14; Concentration analyzer; 15, temperature sensor.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1: the utility model is a kind of phosphate continuous crystallisation equipment, described equipment comprise be provided with cooling circulation liquid entrance A, cooling circulation liquid outlet B crystallizer body 1 and by cooling circulation liquid entrance A, the circulation condensation device 2 that is connected with crystallizer body of cooling circulation liquid outlet B, described crystallizer body 1 comprises and is arranged on the first degree crystalline circulator on crystallizer body 1 top and the secondary crystallization circulator of bottom; Between described first degree crystalline circulator and secondary crystallization circulator, be provided with dividing plate 3, in described first degree crystalline circulator and secondary crystallization circulator, be respectively equipped with concentration analyzer 14 and temperature sensor 15; Described cooling circulation liquid entrance A, cooling circulation liquid outlet B is communicated in the inner chamber of crystallizer body 1 and the chuck layer 13 of crystallizer body 1 outside respectively.
The preferred described scheme of the utility model is, described secondary crystallization circulator comprises the axial flow stirrer 41 be arranged under dividing plate, is provided with out brilliant mouth 5 and cooling circulation liquid entrance A in the bottom of secondary crystallization circulator.
The preferred technical scheme of the utility model also has, described first degree crystalline circulator comprises inner draft tube 6 and external flow guiding cylinder 7, be provided with axial flow stirrer 42 on inner draft tube top, be provided with charging aperture 8 in the bottom of inner draft tube 6, be provided with cool cycles outlet B on the top of first degree crystalline circulator.
The utility model further preferred embodiment is, described secondary crystallization EGR is turbination, and described first degree crystalline EGR is cylindrical.
The utility model further preferred embodiment also has, described circulation condensation device 2 comprises the circulating pump 9 and heat exchanger 10 that are connected by pipeline, circulating pump 9 connects cooling circulation liquid outlet B by pipeline, and heat exchanger 10 connects cooling circulation liquid entrance A by pipeline.
The utility model further preferred embodiment also has, and described heat exchanger 10 lower end is provided with cooling water inlet 11, and upper end is provided with coolant outlet 12.
In above-mentioned continuous crystalizer, it adopts external tubulation circulating condensing system cools, and cooling fluid removes the heat of discharging clarified mother liquor from loop exit B, then sends back to bottom crystallizer body 1 by circulating pump 9, forms outer circulation passage.Pending feed liquid adds in first degree crystalline EGR by charging aperture 8, suspension is under the screw of axial flow stirrer 41,42 and the promotion of circulating pump 9, rise along guide shell, then the bottom of first degree crystalline EGR is flow to along the circular passage between inner draft tube 6 and external flow guiding cylinder 7, stopped that rear suspension liquid is inhaled into again inner draft tube 6 again by crystallizer dividing plate 3, define inner cycle channel.In first degree crystalline EGR, the crystal of crystal growth arrives through crystallizer dividing plate 3 gap in the cavity of secondary internal circulation apparatus under liquid sedimentation effect, submersible type axial flow stirrer 4 is provided with in crystallizer dividing plate 3 bottom, agitator selects suitable rotating speed to make crystal further growth in the cavity of secondary cycle device by stepless time adjustment, qualified magma is discharged by going out brilliant mouth, and namely crystal is divided into I and II to grow.
Crystallizer of the present utility model is on the basis of inner-outer circulation, the two-stage growth of binding crystal, so the product that DTB (adding the diversing bucket of the dividing plate) crystallizer of its contrast routine is produced has particle greatly, the advantage that particle size distribution is narrow, and this apparatus structure is simple, processing ease.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a phosphate continuous crystallisation equipment, it is characterized in that, described equipment comprise be provided with cooling circulation liquid entrance (A), cooling circulation liquid outlet (B) crystallizer body (1) and export (B) circulation condensation device (2) of being connected with crystallizer body by cooling circulation liquid entrance (A), cooling circulation liquid, described crystallizer body (1) comprises and is arranged on the first degree crystalline circulator on crystallizer body (1) top and the secondary crystallization circulator of bottom; Between described first degree crystalline circulator and secondary crystallization circulator, be provided with dividing plate (3), in described first degree crystalline circulator and secondary crystallization circulator, be respectively equipped with concentration analyzer (14) and temperature sensor (15); Described cooling circulation liquid entrance (A), cooling circulation liquid outlet (B) are communicated in the inner chamber of crystallizer body (1) and the chuck layer (13) of crystallizer body (1) outside respectively.
2. phosphate continuous crystallisation equipment as claimed in claim 1, it is characterized in that, described secondary crystallization circulator comprises the axial flow stirrer (41) be arranged under dividing plate, is provided with out brilliant mouth (5) and cooling circulation liquid entrance (A) in the bottom of secondary crystallization circulator.
3. phosphate continuous crystallisation equipment as claimed in claim 1, it is characterized in that, described first degree crystalline circulator comprises inner draft tube (6) and external flow guiding cylinder (7), axial flow stirrer (42) is provided with on inner draft tube top, be provided with charging aperture (8) in the bottom of inner draft tube (6), be provided with cool cycles outlet (B) on the top of first degree crystalline circulator.
4. phosphate continuous crystallisation equipment as claimed in claim 3, it is characterized in that, described secondary crystallization EGR is turbination, and described first degree crystalline EGR is cylindrical.
5. as the phosphate continuous crystallisation equipment in Claims 1-4 as described in any one, it is characterized in that, described circulation condensation device (2) comprises the circulating pump (9) and heat exchanger (10) that are connected by pipeline, circulating pump (9) connects cooling circulation liquid outlet (B) by pipeline, and heat exchanger (10) connects cooling circulation liquid entrance (A) by pipeline.
6. phosphate continuous crystallisation equipment as claimed in claim 5, it is characterized in that, described heat exchanger (10) lower end is provided with cooling water inlet (11), and upper end is provided with coolant outlet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520409543.9U CN204841004U (en) | 2015-06-15 | 2015-06-15 | Continuous crystallization equipment of phosphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520409543.9U CN204841004U (en) | 2015-06-15 | 2015-06-15 | Continuous crystallization equipment of phosphate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204841004U true CN204841004U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520409543.9U Expired - Fee Related CN204841004U (en) | 2015-06-15 | 2015-06-15 | Continuous crystallization equipment of phosphate |
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| Country | Link |
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| CN (1) | CN204841004U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597362A (en) * | 2016-03-17 | 2016-05-25 | 化工部长沙设计研究院 | Mechanical crystallizer for sylvite industry |
| CN108992965A (en) * | 2018-08-17 | 2018-12-14 | 张家港清澄纳米科技有限公司 | A kind of uniform one is hydrated sodium hypophosphite bulky grain Continuous Cooling Crystallization preparation process and device |
| CN109157863A (en) * | 2018-09-28 | 2019-01-08 | 石家庄四药有限公司 | Theophylline sodium salt Continuous Cooling Crystallization device and method |
-
2015
- 2015-06-15 CN CN201520409543.9U patent/CN204841004U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597362A (en) * | 2016-03-17 | 2016-05-25 | 化工部长沙设计研究院 | Mechanical crystallizer for sylvite industry |
| CN108992965A (en) * | 2018-08-17 | 2018-12-14 | 张家港清澄纳米科技有限公司 | A kind of uniform one is hydrated sodium hypophosphite bulky grain Continuous Cooling Crystallization preparation process and device |
| CN108992965B (en) * | 2018-08-17 | 2021-07-27 | 张家港清澄纳米科技有限公司 | Continuous cooling crystallization preparation process and device for large particles of uniform sodium hypophosphite monohydrate |
| CN109157863A (en) * | 2018-09-28 | 2019-01-08 | 石家庄四药有限公司 | Theophylline sodium salt Continuous Cooling Crystallization device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160615 |