CN201775979U - Flash crystallization and low temperature crystallization device - Google Patents
Flash crystallization and low temperature crystallization device Download PDFInfo
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- CN201775979U CN201775979U CN2010205027807U CN201020502780U CN201775979U CN 201775979 U CN201775979 U CN 201775979U CN 2010205027807 U CN2010205027807 U CN 2010205027807U CN 201020502780 U CN201020502780 U CN 201020502780U CN 201775979 U CN201775979 U CN 201775979U
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- shwoot
- jar
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- tank
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Abstract
The utility model discloses a flash crystallization and low temperature crystallization device, which comprises a flash tank arranged in an insulation casing, a slurry flow splitter, two steaming pipes and the like; the flash crystallization and low temperature crystallization of the material are conducted in the flash tank at each stage; the slurry immersed at the utmost bottom of the flash tank correspondingly connected with the slurry flow splitter is divided into two streams according to the specific gravity through the slurry flow splitter; one stream of slurry with small specific gravity reflows into the flash tank, and is continuously recycled for flash crystallization and low temperature crystallization, and the other stream of slurry with large specific gravity is conveyed to the flash tank at the next stage; the flash crystallization and low temperature crystallization processing procedures are repeated, so as to achieve the purposes of thickening the slurry and keeping the liquid level balanced; the steam after flash overflows from the flash tank at the third stage and is condensed through an atmosphere mixing condenser; and the viscous slurry with crystals after flash is conveyed to the next centrifugal separation link through the slurry flow splitter connected with the flash tank at the third stage. The flash crystallization and low temperature crystallization device of the utility model can avoid the clamping and impact of massive crystals and vapor and liquid caused by the excessive temperature differentials, avoids the salting out, reduces energy consumption and simplifies the device.
Description
Technical field
The utility model relates to chemical field, belongs to the equipment, particularly shwoot crystallization cold analysis device of industrial salt being heat-treated the shunting washing.
Background technology
In traditional production technology, the cold analysis method is generally adopted in the extraction of heat-sensitive substance, because energy consumption is higher, cost of investment is bigger, can produce problems such as analysing the salt wall built-up in the cold analysis process.Enter the nineties in last century, then the technology of cold analysis process using sudden strain of a muscle method crystallization is applied, as the crystallization of sodium hydroxide solution, the production of sucrose, the cold analysis of potassium nitrate metathesis reaction, though the shwoot crystallizer is through technological transformation several times, adopt and stir vacuumizing method and additional heat method, be tending towards perfect substantially, but existing cold analysis technology is only limited to batch production, its energy consumption is big, maintenance of equipment expense height.
The utility model content
The purpose of this utility model is to provide a kind of shwoot crystallization cold analysis device, it is rational in infrastructure, avoid excessive temperature differentials and produce carrying secretly and impacting of a large amount of crystal seeds and vapour-liquid, prevent that secondary steam pipe from analysing salt, to the timely Hui Rong of the slag of separating out in the solution, cut down the consumption of energy and maintenance, the cost of overhaul simplified apparatus.
The purpose of this utility model is achieved in that a kind of shwoot crystallization cold analysis device, comprise shwoot jar, cyclone and atmosphere mixing condenser, three shwoot jars, three cover slurries part flow arrangement and two logical steam pipes of being back taper are being set in the insulation shell of sealing; Every cover slurries part flow arrangement by cyclone and transfering material pump by the pipeline formation that is connected, the material sucking port of slurries part flow arrangement is the import of transfering material pump, the transfering material pump outlet connects the material inlet of cyclone by feed pipe, the overfall on cyclone top is as the returning charge outlet of slurries part flow arrangement, and the discharging opening of cyclone bottom is as the discharge outlet of slurries part flow arrangement; Chopped-off head shwoot jar is communicated with the charging house steward by the spout on its tank skin;
Chopped-off head shwoot jar in the above-mentioned shwoot jar connect secondary shwoot jar by first logical steam pipe and should logical steam pipe stretch into secondary shwoot jar jar chamber structure is set and chopped-off head shwoot jar by the structure that first slurries part flow arrangement is connected secondary shwoot jar is: chopped-off head shwoot jar passes through first logical steam pipe connection secondary shwoot jar from its top tank skin venthole, and this first logical steam pipe body stretches into secondary shwoot jar jar chamber, first logical steam pipe venthole vertically is arranged in the secondary shwoot jar jar chamber down, the venthole of first logical steam pipe installs with the resistance vapour cover that is the ball sheet mutually by the body of rod that is arranged on its periphery, be arranged at the body of rod between resistance vapour cover and the logical steam pipe venthole and make between the venthole of resistance vapour cover and first logical steam pipe and be equipped with the gap, the concave curved surface that hinders the vapour cover is towards this first logical steam pipe venthole; The discharging opening that chopped-off head shwoot jar foot tank skin is offered connects the material sucking port of first slurries part flow arrangement by discharge nozzle, the returning charge outlet of first slurries part flow arrangement connects the charging aperture that chopped-off head shwoot jar middle part tank skin is provided with by the feed back pipe, and the discharge outlet of first slurries part flow arrangement connects the spout that is provided with on the tank skin of secondary shwoot jar bottom by drainage conduit;
Secondary shwoot jar is provided with by what second logical steam pipe connected that the structure of three grades of shwoot jars and this second logical steam pipe stretch into three grades of shwoot jar jar chambeies that structure is corresponding respectively to be same as above-mentioned chopped-off head shwoot jar and to connect the structure of secondary shwoot jar and the structure that is provided with that above-mentioned first logical steam pipe stretches into secondary shwoot jar jar chamber by first logical steam pipe, and secondary shwoot jar is same as the structure of above-mentioned chopped-off head shwoot jar by above-mentioned first slurries part flow arrangement connection secondary shwoot jar by the structure that second slurries part flow arrangement connects three grades of shwoot jars; The syndeton of three grades of shwoot jars and the 3rd slurries part flow arrangement is same as the syndeton of above-mentioned chopped-off head shwoot jar and first slurries part flow arrangement, and its port of export of drainage conduit that is connected with the 3rd slurries part flow arrangement discharge outlet stretches out the setting of insulation shell shell wall; Three grades of shwoot jars connect atmosphere mixing condenser air intake through the venthole of its tank deck by steam outlet pipe, and the liquid outlet of atmosphere mixing condenser feeds water seal tank by drain pipe.
The utility model adopts three grades of series connection sudden strain of a muscle method continuous production processes technology, promptly adopt three grades of washing process that the sodium nitrate product is purified, utilize the latent heat of vaporization of steam to take away heat, reach the purpose of cooling, rather than simple evaporation, therefore keep the loss of moisture in the interior solution of shwoot jar then extremely important to guaranteeing product quality.The Chemical Manufacture materialization basis of the utility model operation principle is the The Ideal-Gas Equation of the first law of thermodynamics, material is shwoot crystallization cold analysis in each grade shwoot jar, the slurries that the slurries part flow arrangement is sink to its foot in will the shwoot jar of corresponding connection with it are separated into two strands by proportion, what wherein one proportion was little is back in this shwoot jar, continue recirculation and carry out shwoot crystallization cold analysis, the heavy next stage shwoot jar that then is transported to of another strand, repeat above-mentioned shwoot cold analysis processing procedure, to reach the purpose of thickening and maintenance liquid level equilibrium, through after the above-mentioned tertiary treatment, finally, steam behind shwoot overflows and by the condensation of atmosphere mixing condenser, the thick slurry that contains crystalline solid behind the shwoot then is delivered to the link of next centrifugation by the slurries part flow arrangement that links to each other with three grades of shwoot jars from three grades of shwoot jars.Its advantage of the present utility model is as follows:
1. can form the temperature difference that three grades of shwoot jars are lowered the temperature step by step, avoid excessive temperature differentials and produce a large amount of crystal seeds, cause the product particle granularity less;
2. can form three grades of shwoot jars pressure differential of step-down step by step, avoid pressure reduction excessive and produce vapour-liquid and carry secretly, cause secondary steam pipe to analyse salt;
3. make higher level's shwoot jar indirect steam input to subordinate's shwoot jar, the slag of separating out in the slurries (solution) through the timely Hui Rong of slurries part flow arrangement, has been guaranteed product quality;
4. because the temperature difference loss of the mobile generation of fluid pressure and indirect steam, temperature fundamental sum slurry temperature when indirect steam enters subordinate's shwoot jar is identical, can not produce vapour-liquid impacts, at conversion process of energy, reduce agitating device, reduce energy consumption, also simplified equipment and flow process, reduced maintenance and recondition expense.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 looks the sectional structure schematic diagram for master of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram that the resistance vapour cover at A place among Fig. 1 is connected with logical steam pipe venthole.
The specific embodiment
A kind of shwoot crystallization cold analysis device as shown in Figure 1, comprises shwoot jar, cyclone and atmosphere mixing condenser 11, and three shwoot jars, three cover slurries part flow arrangement and two logical steam pipes of being back taper are being set in the insulation shell 1 of sealing; Every cover slurries part flow arrangement by cyclone and transfering material pump by the pipeline formation that is connected, the material sucking port of slurries part flow arrangement is the import of transfering material pump 21, transfering material pump 21 outlets connect the material inlet of cyclone 18 by feed pipe 19, the overfall on cyclone 18 tops is as the returning charge outlet of slurries part flow arrangement, and the discharging opening of cyclone 18 bottoms is as the discharge outlet of slurries part flow arrangement; Chopped-off head shwoot jar 2 is communicated with charging house steward 24 by the spout on its tank skin;
Chopped-off head shwoot jar 2 in the above-mentioned shwoot jar connect secondary shwoot jars 6 by first logical steam pipe 3 and should logical steam pipe stretch into 6 jars of chambeies of secondary shwoot jar structure is set and chopped-off head shwoot jar 2 by the structure that first slurries part flow arrangement is connected secondary shwoot jar 6 is: chopped-off head shwoot jar 2 passes through first logical steam pipe 3 connection secondary shwoot jars 6 from its top tank skin venthole, and this first logical steam pipe 3 bodys stretch into 6 jars of chambeies of secondary shwoot jar, first logical steam pipe 3 ventholes vertically are arranged in 6 jars of chambeies of secondary shwoot jar down, the venthole of first logical steam pipe 3 installs with the resistance vapour cover 14 that is the ball sheet mutually by the body of rod 15 that is arranged on its periphery, be arranged at the body of rod 15 between resistance vapour cover 14 and the logical steam pipe venthole and make between the venthole of resistance vapour cover 14 and first logical steam pipe 3 and be equipped with the gap, the concave curved surface that hinders vapour cover 14 is towards this first logical steam pipe 3 ventholes; The discharging opening that chopped-off head shwoot jar 2 foot tank skins are offered connects the material sucking port of first slurries part flow arrangement by discharge nozzle 22, the returning charge outlet of first slurries part flow arrangement connects the charging aperture that chopped-off head shwoot jar 2 middle part tank skins are provided with by feed back pipe 5, and the discharge outlet of first slurries part flow arrangement connects the spout that is provided with on the secondary shwoot jar 6 bottom tank skins by drainage conduit 16; Above-mentioned resistance vapour cover 14 from the logical steam pipe 3 venthole positive stop directions of, steam ejection along evenly disperseing ejection from logical steam pipe 3 ventholes periphery
Secondary shwoot jar 6 is provided with by what second logical steam pipe 7 connected that the structure of three grades of shwoot jars 8 and this second logical steam pipe 7 stretch into 8 jars of chambeies of three grades of shwoot jars that structure is corresponding respectively to be same as above-mentioned chopped-off head shwoot jar 2 and to connect the structure of secondary shwoot jars 6 and the structure that is provided with that above-mentioned first logical steam pipe 3 stretches into 6 jars of chambeies of secondary shwoot jar by first logical steam pipe 3, and secondary shwoot jar 6 is same as the structure of above-mentioned chopped-off head shwoot jar 2 by above-mentioned first slurries part flow arrangement connection secondary shwoot jar 6 by the structure that second slurries part flow arrangement connects three grades of shwoot jars 8; The syndeton of three grades of shwoot jars 8 and the 3rd slurries part flow arrangement is same as the syndeton of above-mentioned chopped-off head shwoot jar 2 and first slurries part flow arrangement, and drainage conduit 16 its ports of export that are connected with the 3rd slurries part flow arrangement discharge outlet stretch out insulation shell 1 shell wall setting; Three grades of shwoot jars 8 connect atmosphere mixing condenser 11 air intakes through the venthole of its tank deck by steam outlet pipe 9, and the liquid outlet of atmosphere mixing condenser 11 feeds water seal tank 13 by drain pipe 12.Atmosphere mixing condenser 11 condensed fixed gases are then extracted out by vavuum pump by pipeline 10.
On described discharge nozzle 22, feed pipe 19, feed back pipe 5 and drainage conduit 16, be serially connected with switch valve 23,20,4 and 17 respectively.
The utility model requires to carry out under adiabatic condition, therefore, need shwoot jar, slurries part flow arrangement, logical steam pipe and auxiliary device (as control instrument etc.) all are provided with in the insulation shell 1, be incubated with 1 pair of shwoot jar of insulation shell, slurries part flow arrangement etc., guaranteeing enough shwoot spaces and reducing under the technical conditions of setting height(from bottom), the shwoot jar can be designed to inverted cone.
Claims (2)
1. a shwoot crystallization cold analysis device comprises shwoot jar, cyclone and atmosphere mixing condenser (11), it is characterized in that: three shwoot jars, three cover slurries part flow arrangement and two logical steam pipes of being back taper are being set in the insulation shell (1) of sealing; Every cover slurries part flow arrangement by cyclone and transfering material pump by the pipeline formation that is connected, the material sucking port of slurries part flow arrangement is the import of transfering material pump (21), transfering material pump (21) outlet connects the material inlet of cyclone (18) by feed pipe (19), the overfall on cyclone (18) top is as the returning charge outlet of slurries part flow arrangement, and the discharging opening of cyclone (18) bottom is as the discharge outlet of slurries part flow arrangement; Chopped-off head shwoot jar (2) is communicated with charging house steward (24) by the spout on its tank skin;
Chopped-off head shwoot jar (2) in the above-mentioned shwoot jar connect secondary shwoot jar (6) by first logical steam pipe (3) and should logical steam pipe stretch into secondary shwoot jar (6) jar chamber structure is set and chopped-off head shwoot jar (2) by the structure that first slurries part flow arrangement is connected secondary shwoot jar (6) is: chopped-off head shwoot jar (2) passes through first logical steam pipe (3) connection secondary shwoot jar (6) from its top tank skin venthole, and this first logical steam pipe (3) body stretches into secondary shwoot jar (6) jar chamber, first logical steam pipe (3) venthole vertically is arranged in secondary shwoot jar (6) jar chamber down, the venthole of first logical steam pipe (3) installs with the resistance vapour cover (14) that is the ball sheet mutually by the body of rod (15) that is arranged on its periphery, be arranged at the body of rod (15) between resistance vapour cover (14) and the logical steam pipe venthole and make between the venthole of resistance vapour cover (14) and first logical steam pipe (3) and be equipped with the gap, the concave curved surface that hinders vapour cover (14) is towards this first logical steam pipe (3) venthole; The discharging opening that chopped-off head shwoot jar (2) foot tank skin is offered connects the material sucking port of first slurries part flow arrangement by discharge nozzle (22), the returning charge outlet of first slurries part flow arrangement connects the charging aperture that chopped-off head shwoot jar (2) middle part tank skin is provided with by feed back pipe (5), and the discharge outlet of first slurries part flow arrangement connects the spout that is provided with on the tank skin of secondary shwoot jar (6) bottom by drainage conduit (16);
Secondary flash evaporation tank (6) by second breather pipe (7) connect the structure of three grades of flash evaporation tanks (8) and this second breather pipe (7) stretch into three grades of flash evaporation tanks (8) tank chamber arrange structure respectively correspondence be same as above-mentioned chopped-off head flash evaporation tank (2) and connect the structure of secondary flash evaporation tank (6) and the structure that arranges that above-mentioned first breather pipe (3) stretches into secondary flash evaporation tank (6) tank chamber by first breather pipe (3), secondary flash evaporation tank (6) is same as above-mentioned chopped-off head flash evaporation tank (2) by the structure of above-mentioned first slurries part flow arrangement connection secondary flash evaporation tank (6) by the structure of second slurries part flow arrangement three grades of flash evaporation tank of connection (8); The syndeton of three grades of shwoot jars (8) and the 3rd slurries part flow arrangement is same as the syndeton of above-mentioned chopped-off head shwoot jar (2) and first slurries part flow arrangement, and its port of export of drainage conduit (16) that is connected with the 3rd slurries part flow arrangement discharge outlet stretches out insulation shell (1) shell wall setting; Three grades of shwoot jars (8) connect atmosphere mixing condenser (11) air intake through the venthole of its tank deck by steam outlet pipe (9), and the liquid outlet of atmosphere mixing condenser (11) feeds water seal tank (13) by drain pipe (12).
2. according to claims 1 described shwoot crystallization cold analysis device, it is characterized in that: on described discharge nozzle (22), feed pipe (19), feed back pipe (5) and drainage conduit (16), be serially connected with switch valve (23), (20), (4) and (17) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205027807U CN201775979U (en) | 2010-08-24 | 2010-08-24 | Flash crystallization and low temperature crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205027807U CN201775979U (en) | 2010-08-24 | 2010-08-24 | Flash crystallization and low temperature crystallization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201775979U true CN201775979U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205027807U Expired - Fee Related CN201775979U (en) | 2010-08-24 | 2010-08-24 | Flash crystallization and low temperature crystallization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201775979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755873A (en) * | 2019-10-08 | 2020-02-07 | 杭州安永环保科技有限公司 | Production process for continuous crystallization of liquid substance |
| CN113104865A (en) * | 2019-12-12 | 2021-07-13 | 林齐坤 | Method for treating refined mother liquor of vat blue RSN |
-
2010
- 2010-08-24 CN CN2010205027807U patent/CN201775979U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755873A (en) * | 2019-10-08 | 2020-02-07 | 杭州安永环保科技有限公司 | Production process for continuous crystallization of liquid substance |
| CN113104865A (en) * | 2019-12-12 | 2021-07-13 | 林齐坤 | Method for treating refined mother liquor of vat blue RSN |
| CN113104865B (en) * | 2019-12-12 | 2023-08-22 | 酒泉宇鹏化工科技有限公司 | Treatment method of vat blue RSN refining mother liquor |
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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 |
Granted publication date: 20110330 Termination date: 20150824 |
|
| EXPY | Termination of patent right or utility model |