CN201244377Y - Fractional crystallization device - Google Patents
Fractional crystallization device Download PDFInfo
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- CN201244377Y CN201244377Y CNU2008201621536U CN200820162153U CN201244377Y CN 201244377 Y CN201244377 Y CN 201244377Y CN U2008201621536 U CNU2008201621536 U CN U2008201621536U CN 200820162153 U CN200820162153 U CN 200820162153U CN 201244377 Y CN201244377 Y CN 201244377Y
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Abstract
The utility model relates to a fractional crystallization device which mainly comprises a crystallization box. The crystallization box is internally provided with a cooling medium and heat medium distribution pipe, and the cooling medium and heat medium distribution pipe is respectively communicated with a cooling medium system and a heat medium system which are relatively independent; the crystallization box is respectively communicated with a raw material inlet, a thermometer, a mother liquid tank, an intermediate product tank and a finished product tank; the cooling medium and heat medium distribution pipe comprises a cooling medium and heat medium main pipe, a cooling medium and heat medium distribution manifold and crystallization pipe interfaces, the cooling medium and heat medium distribution manifold is communicated with the cooling medium and heat medium main pipe, and the cooling medium and heat medium distribution manifold is provided with a set of crystallization pipe interface to be connected with a crystallization pipe through the crystallization pipe interfaces; the crystallization pipe is formed by the connection of a set of crystallization slice. The utility model has the advantages that the fractional crystallization device which is suitable for production, and has simple manufacture and operation and big capacity is convenient to clean and maintain; the cooling medium and heat medium distribution flowing power assistance is greatly reduced, the design pressure of a vessel is lowered, and the energy of a whole crystallization system is greatly lowered.
Description
Technical field
The utility model relates to the chemical plant installations field, mainly is a kind of fractional crystallization device.
Background technology
Crystallization is one of effective purification means in the current technical process, and fractional crystallization is the Crystallization Separation technology that just grows up recent years.It is the progressively isolation technics that is changed to the basis with the solid-liquid two-phase, promptly utilizes the selectivity of liquid-solid phase balance, makes multicomponent mixture be divided into the mixture of narrower component, finally obtains required pure component.
Utilize fractional crystallization to separate multicomponent gradually and purify and to avoid operations such as high temperature, high vacuum distillation, rectifying, on energy-conservation, joint consumption, great Research Significance is arranged.Utilize fractional crystallisation to separate the operation that multicomponent combines with rectifying gradually simultaneously, also paid attention to by the chemical circles personage gradually.
Present domestic existing processes fractional crystallisation mostly is outer falling liquid film fractional crystallisation device, and cloth liquid chamber, feed liquid distributing chamber, cloth liquid dish etc. are arranged, and shortcoming is: the crystallization area is little, and energy consumption is bigger relatively; Production capacity is little; Operation is also quite complicated.
The utility model content
The utility model will solve above-mentioned existing shortcoming, the fractional crystallization device that provides a kind of selectivity of utilizing the liquid-solid phase balance to purify.
The utility model solves the technical scheme that its technical problem adopts: this fractional crystallization device, mainly comprise the crystallization case, and be provided with cold and hot matchmaker's distributing pipe in the described crystallization case, cold and hot matchmaker's distributing pipe is connected with relatively independent refrigerant system and heating agent system respectively; Described crystallization case is connected with feed(raw material)inlet, thermometer, mother liquor tank, middle product jar and finished product jar respectively; Described cold and hot matchmaker's distributing pipe comprises the cold and hot matchmaker person in charge, cold and hot matchmaker's dispensing branch and crystallizer interface, and cold and hot matchmaker's dispensing branch is responsible for cold and hot matchmaker and is connected, and has one group of crystallizer interface on cold and hot matchmaker's dispensing branch, is connected with crystallizer by the crystallizer interface; Described crystallizer is connected and composed by one group of crystalline wafer.
Described refrigerant system comprises refrigerant regulating tank, refrigerant pump and thermometer, and refrigerant pump is connected with cold and hot matchmaker's distributing pipe by refrigerant regulating tank, pipeline, valve.
Described heating agent system comprises heating agent regulating tank, heating agent pump and thermometer, and the heating agent pump is connected with cold and hot matchmaker's distributing pipe by heating agent regulating tank, pipeline, valve.
Described crystallization case, mother liquor tank, middle product jar and finished product jar are provided with blow-down pipe.
The effect that the utility model is useful is: 1, be suitable for and produce, make simple, simple to operate, capacious fractional crystallisation device, the sheet pipe of every layer of crystallizer connects and cold and hot matchmaker's distributor is that flange links, and is convenient to clean and the maintenance nursing.2, this utility unit also significantly reduces the mobile power-assisted of cold and hot matchmaker, reduces the design pressure of container, simultaneously the crystallizer shell is adopted normal pressure design, the investment of having saved equipment.This utility unit also greatly reduces the energy of whole crystal system.3, this practical device adopts relatively independent cold and hot matchmaker system, has reduced the energy of whole watery fusion process, no matter guaranteed that also fractional crystallisation specification requirement equipment is in the crystallization process simultaneously, or the sweating process temperature must keep uniformity as far as possible.4, the utility model device mainly adopts the sheet tube coupling device, has increased cold and hot exchange area, has also guaranteed the area of crystallization simultaneously.
Description of drawings
Fig. 1 is that the utility model system connects block diagram;
Fig. 2 is metal micro-holes filter stick and a liquid header structural representation partly in the utility model;
Fig. 3 is the overhead view structural representation of liquid header part in the utility model;
Reference numeral: 1. feed(raw material)inlet, 2. refrigerant regulating tank, 3. heating agent regulating tank, 4. refrigerant pump, 5. heating agent pump, 6. crystallization case, 7. the crystalline wafer pipe connects, 8. cold and hot matchmaker's distributing pipe, 9. blow-down pipe, 10. thermometer, 11. mother liquor tanks, product jars in the middle of 12., 13. the finished product jar, 14. cold and hot matchmakers are responsible for 15. cold and hot matchmaker's dispensing branch, 16. the crystallizer interface, 17. crystalline wafer, 18. crystallizers.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in the figure, this fractional crystallization device mainly comprises crystallization case 6, is provided with cold and hot matchmaker's distributing pipe 8 in the described crystallization case 6, and cold and hot matchmaker's distributing pipe 8 is connected with relatively independent refrigerant system and heating agent system respectively; Described crystallization case 6 is connected with feed(raw material)inlet 1, thermometer 10, mother liquor tank 11, middle product jar 12 and finished product jar 13 respectively; Described cold and hot matchmaker's distributing pipe 8 comprises that cold and hot matchmaker is responsible for 14, cold and hot matchmaker's dispensing branch 15 and crystallizer interface 16, cold and hot matchmaker's dispensing branch 15 is responsible for 14 with cold and hot matchmaker and is connected, have one group of crystallizer interface 16 on cold and hot matchmaker's dispensing branch 15, be connected with crystallizer 18 by crystallizer interface 16; Described crystallizer 18 is connected and composed by one group of crystalline wafer 17.Described crystallization case 6, mother liquor tank 11, middle product jar 12 and finished product jar 13 are provided with blow-down pipe 9.
Described refrigerant system comprises refrigerant regulating tank 2, refrigerant pump 4 and thermometer 10, and refrigerant pump 4 is connected with cold and hot matchmaker's distributing pipe 8 by refrigerant regulating tank 2, pipeline, valve.Described heating agent system comprises heating agent regulating tank 3, heating agent pump 5 and thermometer 10, and heating agent pump 5 is connected with cold and hot matchmaker's distributing pipe 8 by heating agent regulating tank 3, pipeline, valve.
Operation principle: the mixture of fusing is dropped in the clean brilliant device from the raw material mouth, start refrigerant pump, the temperature of control refrigerant is carried out crystallization by certain curve, make in the mixture high melting point component at first crystallization separate out.After reaching certain percent crystallization in massecuite, stop the refrigerant circulation, emit not crystalline portion, start the heating agent circulatory system, and carry out the sweating operation by certain heating curve.After the part sweating, low-melting crystal grain in the crystallizing layer is molten into sweat, the product jar is in order to next crystallization in the middle of putting into.After sample examination reaches technological requirement, with crystal melting get final product crystalline product.
The course of work: raw material enters crystallization case 6 from head tank, starts the refrigerant system, material is lowered the temperature from per minute 1-2 ℃ by the curve of uniform temperature.After reaching the target percent crystallization in massecuite, emit not the crystalline portion mother liquor to mother liquor tank 11 from baiting valve.Start the heating agent system,, make the middle low temperature in the crystal melt sweat by the sweating operation that heats up of the curve of uniform temperature.Product jar 12 was regulated heat medium temperature at last in the middle of sweating entered, and crystal is all melted, and product is put into product jar 13.
The utility model is suitable for large-scale industrialization and produces each component boiling point such as tar naphthalene, nitro-chlorobenzene, formic acid near fusing point, the industrial goods that differ greatly.
In the also applicable auxiliary rectifying of the utility model, for example the parachloronitrobenzene chlorination 3, and the 4-dichloronitrobenzene only adopts the separable parachloronitrobenzene of this new device, can increase the output of dichloronitrobenzene rectifying and the quality of raising product.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (4)
1, a kind of fractional crystallization device mainly comprises crystallization case (6), it is characterized in that:
(1), be provided with cold and hot matchmaker's distributing pipe (8) in the described crystallization case (6), cold and hot matchmaker's distributing pipe (8) is connected with relatively independent refrigerant system and heating agent system respectively;
(2), described crystallization case (6) is connected with feed(raw material)inlet (1), thermometer (10), mother liquor tank (11), middle product jar (12) and finished product jar (13) respectively;
(3), described cold and hot matchmaker's distributing pipe (8) comprises that cold and hot matchmaker is responsible for (14), cold and hot matchmaker's dispensing branch (15) and crystallizer interface (16), cold and hot matchmaker's dispensing branch (15) is responsible for (14) with cold and hot matchmaker and is connected, have one group of crystallizer interface (16) on cold and hot matchmaker's dispensing branch (15), be connected with crystallizer (18) by crystallizer interface (16);
(4), described crystallizer (18) is connected and composed by one group of crystalline wafer (17).
2, fractional crystallization device according to claim 1, it is characterized in that: described refrigerant system comprises refrigerant regulating tank (2), refrigerant pump (4) and thermometer (10), and refrigerant pump (4) is connected with cold and hot matchmaker's distributing pipe (8) by refrigerant regulating tank (2), pipeline, valve.
3, fractional crystallization device according to claim 1, it is characterized in that: described heating agent system comprises heating agent regulating tank (3), heating agent pump (5) and thermometer (10), and heating agent pump (5) is connected with cold and hot matchmaker's distributing pipe (8) by heating agent regulating tank (3), pipeline, valve.
4, fractional crystallization device according to claim 1 is characterized in that: described crystallization case (6), mother liquor tank (11), middle product jar (12) and finished product jar (13) are provided with blow-down pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201621536U CN201244377Y (en) | 2008-08-04 | 2008-08-04 | Fractional crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201621536U CN201244377Y (en) | 2008-08-04 | 2008-08-04 | Fractional crystallization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201244377Y true CN201244377Y (en) | 2009-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201621536U Expired - Fee Related CN201244377Y (en) | 2008-08-04 | 2008-08-04 | Fractional crystallization device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201244377Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659529A (en) * | 2012-04-27 | 2012-09-12 | 沙隆达集团公司 | Method and device for purifying 2,4-dichlorophenol |
| CN108479102A (en) * | 2018-04-20 | 2018-09-04 | 上海涛川能源科技有限公司 | A kind of centrifugation rotation high efficient heat exchanging crystallizer and application method |
| CN108681348A (en) * | 2018-08-07 | 2018-10-19 | 天津会自动化科技有限公司 | A kind of chemical industry melting tower intelligent temperature control system |
| CN109923246A (en) * | 2016-09-16 | 2019-06-21 | 瓦里安半导体设备公司 | Form the device and method of crystalline wafer |
-
2008
- 2008-08-04 CN CNU2008201621536U patent/CN201244377Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659529A (en) * | 2012-04-27 | 2012-09-12 | 沙隆达集团公司 | Method and device for purifying 2,4-dichlorophenol |
| CN109923246A (en) * | 2016-09-16 | 2019-06-21 | 瓦里安半导体设备公司 | Form the device and method of crystalline wafer |
| CN109923246B (en) * | 2016-09-16 | 2022-02-18 | 瓦里安半导体设备公司 | Apparatus and method for forming crystalline sheet |
| CN108479102A (en) * | 2018-04-20 | 2018-09-04 | 上海涛川能源科技有限公司 | A kind of centrifugation rotation high efficient heat exchanging crystallizer and application method |
| CN108681348A (en) * | 2018-08-07 | 2018-10-19 | 天津会自动化科技有限公司 | A kind of chemical industry melting tower intelligent temperature control system |
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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: 20090527 Termination date: 20140804 |
|
| EXPY | Termination of patent right or utility model |