CN203677985U - Melt crystallization device - Google Patents
Melt crystallization device Download PDFInfo
- Publication number
- CN203677985U CN203677985U CN201420018302.7U CN201420018302U CN203677985U CN 203677985 U CN203677985 U CN 203677985U CN 201420018302 U CN201420018302 U CN 201420018302U CN 203677985 U CN203677985 U CN 203677985U
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- way solenoid
- solenoid valve
- outlet
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- medium
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 59
- 230000008025 crystallization Effects 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 8
- 239000000155 melt Substances 0.000 abstract description 9
- 230000035900 sweating Effects 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 230000008542 thermal sensitivity Effects 0.000 description 2
- 230000003416 augmentation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model relates to a melt crystallization device. The specific structure of the melt crystallization device is as follows: a medium outlet of a melt crystallizer is connected with a liquid inlet of a medium storage mechanism, a liquid outlet of the medium storage mechanism is connected with a liquid inlet of a hydraulic pump, a liquid outlet of the hydraulic pump is connected with a liquid inlet of a heat exchanger, and a liquid outlet of the heat exchanger is connected with a medium inlet of the melt crystallizer; an air-entrapping device is further mounted on an upper end socket of the melt crystallizer; the medium storage mechanism is formed by connecting three series-wound loops in parallel, each series-wound loop comprises a medium storage tank and two two-position two-way electromagnetic valves, and three two-position two-way electromagnetic valves are mounted at a material outlet of the melt crystallizer in a shunt-wound manner and are used corresponding to the three series-wound loops. The melt crystallization device has the advantages that by utilizing three different media, the melt crystallization device can be adapted to a large-temperature-range melt sweating method to extract substances, and the extracted substances are not remixed with impurities.
Description
Technical field
The utility model relates to one and prepares the organic device of high-purity, especially relates to a kind of fusion-crystallization mode organic device of purifying that adopts.
Background technology
Along with the development of chemical industry, more and more higher for the purity requirement of polymer monomer and raw material.And these monomers exist with the form of admixture of isomeric compound conventionally, for isomer and thermal sensitivity system, because of boiling point problem and thermal sensitivity problem, if adopt distillation technology, often need tens or up to a hundred blocks of column plates and high reflux ratio and decompression operation.Operating condition harshness is higher to equipment material and requirement on machining accuracy.Even so, the charing in rectifying still, coking, the phenomenons such as polymerization cannot be avoided, and product yield is lower, also cannot obtain high purity product.Fusion-crystallization technology can be avoided these problems, and for these systems, the fusing point of material often can differ tens degree, can use fusion-crystallization technical point from.
According to the disclosed melting crystallizer of Chinese patent CN 202237354 U, in view of the melting temperature of its material to be purified is lower, and the temperature range of crystallization temperature and melt temperature is little, so taked the mode that cooling medium is heated up to carry out fusion-crystallization.But under this kind of mode, in the time that the melt crystallization temperature scope of material to be extracted is larger, the crystallization temperature of a certain cooling medium or melt temperature can not reach requirement, and this equipment just cannot operate.
Summary of the invention
The technical problems to be solved in the utility model is to provide three kinds of different temperature range media of a kind of employing and supplies warm fusion-crystallization device.
For solving the problems of the technologies described above, the concrete technical scheme that the utility model fusion-crystallization device is taked is as follows:
A kind of fusion-crystallization device, comprises a melting crystallizer, and the structure of described melting crystallizer is: comprise cylindrical outer cover, vertically arranged film-falling crystallization pipe, level are arranged on the medium distribution tray in melting crystallizer in the enclosure; Described shell forms enclosure space by upper cover and low head; Described shell upper is provided with medium import, material inlet, and bottom arranges media outlet, and low head is provided with material outlet; Described film-falling crystallization pipe is fixed by upper perforated plate and lower perforated plate, and film-falling crystallization Guan Shangjun is inserted with mozzle, described mozzle hollow, and top is provided with steam vent, and bottom is provided with guiding subassembly; In described medium distribution tray, be provided with medium pod apertures, spout hole and medium refluence assembly corresponding to film-falling crystallization pipe place; Described film-falling crystallization pipe is through medium pod apertures;
Its innovative point is: also comprise a media storage mechanism; Described media storage mechanism structure is: media storage case a two ends are in series with respectively two-position two-way solenoid valve a composition series loop A, and described two-position two-way solenoid valve a installation direction is identical; Media storage case b two ends are in series with respectively two-position two-way solenoid valve b composition series loop B, and described two-position two-way solenoid valve b installation direction is identical; Media storage case c two ends are in series with respectively two-position two-way solenoid valve c composition series loop C, and described two-position two-way solenoid valve c installation direction is identical; Described series loop A, series loop B, series loop C parallel connection, in shunt circuit, all two-position two-way solenoid valve installation directions are identical;
One end of described media storage mechanism is connected with the media outlet of shell, and the other end is connected with hydraulic pump inlet, is in series with a heat exchanger between described hydraulic pump liquid outlet and medium import.
On this basis, described film-falling crystallization pipe part below mozzle has fin, and described fin is complete fin or has aperture.
On this basis, on described upper cover, top has an air guide port, and side has an exhaust outlet, and described air guide port is connected with an air compressor gas outlet, and exhaust outlet is connected with the air inlet of air compressor.
On this basis, an air accumulator is installed between described upper cover air guide port and air compressor gas outlet.
On this basis, between the liquid outlet of described hydraulic pump and medium import, be in series with a heat exchanger.
On this basis, the material outlet place of described low head is provided with three two-position two-way solenoid valves, described three two-position two-way solenoid valve parallel connections, the inlet of two-position two-way solenoid valve is connected with material outlet, described three two-position two-way solenoid valves respectively with series loop A, series loop B, the corresponding use of series loop C.
The beneficial effects of the utility model: compared with prior art, advantage of the present utility model has:
1), this fusion-crystallization device is provided with three media storage casees in parallel on loop, and is all in series with two-position two-way solenoid valve on each media storage case both sides, makes in the time that melt crystallization temperature scope is larger, this equipment also can normally be worked;
2), film-falling crystallization pipe below mozzle part there is fin, can play a supporting role and play augmentation of heat transfer effect;
3), top is also provided with air compressor on upper cover, in crystallizer, passes into compressed air, forms slug flow bubble and rises, and causes the turbulence of melt, mass transfer enhancement and heat transfer property;
4), an air accumulator is installed between upper cover air guide port and air compressor gas outlet, and be in series with an air accumulator, can play the effect of buffering, flow control valve is installed, play the effect of controlling flow;
5), be in series with a heat exchanger between the liquid outlet of hydraulic pump and medium import, can heat up to medium, reach the different temperatures of fusion-crystallization;
6), the material outlet place of low head has been installed in parallel three two-position two-way solenoid valves, respectively with series loop A, series loop B, the corresponding use of series loop C, can be in the time passing into different medium, make the material flowing out have special passage, can make the material of purifying out avoid sneaking into medium at this.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the utility model fusion-crystallization device.
Figure 2 shows that the structural scheme of mechanism of the melting crystallizer of the utility model fusion-crystallization device.
Figure 3 shows that the top view of the film-falling crystallization pipe of the utility model fusion-crystallization device.
The specific embodiment
Below in conjunction with accompanying drawing explanation and the specific embodiment, the utility model fusion-crystallization device is described further.
The utility model fusion-crystallization device is mainly by forming with lower member: melting crystallizer 1, media storage mechanism 2, hydraulic pump 3.
As shown in Figure 2, the upper and lower side of the cylindrical outer cover 4 of melting crystallizer 1 is connected to form the enclosure space with a constant volume with upper cover 5 and low head 6 respectively, in cylindrical outer cover 4, be vertically installed with film-falling crystallization pipe 7, this film-falling crystallization pipe 7 is fixed by the upper perforated plate 8 and the lower perforated plate 9 that are welded on cylindrical outer cover 4 inside.Between upper perforated plate 8 and lower perforated plate 9, be horizontally installed with polylith medium distribution tray 10, each described medium distribution tray 10 is being provided with medium pod apertures 11, spout hole 12 and medium guiding subassembly 13 corresponding to film-falling crystallization pipe 7 places, and film-falling crystallization pipe 7 is through medium pod apertures 11.The object of spout hole 12 is in order to allow medium directly drop onto in lower one deck medium distribution tray 10; In order to make medium form falling liquid film at the outer wall of film-falling crystallization pipe 7, make reclinate medium guiding subassembly 13 at the edge of medium pod apertures 11.
On cylindrical outer cover 4 corresponding to having medium import 14 between upper perforated plate 8 and ground floor medium distribution tray 10, on cylindrical outer cover 4 corresponding to having material inlet 15 above upper perforated plate 8.In order to make the material dropping into form falling liquid film on the inwall of film-falling crystallization pipe 7, top at film-falling crystallization pipe 7 is all inserted with mozzle 16, these mozzle 16 hollows, in film-falling crystallization pipe 7, add after material, inner air needs to flow out, and in order not make inner pressure excessive, has steam vent 17 on the top of mozzle 16, in order to make material form falling liquid film at the inwall of film-falling crystallization pipe 7, be provided with guiding subassembly 18 in described mozzle 16 bottoms simultaneously.In view of this melting crystallizer 1 highly do not make very high, so the medium distribution tray 10 in the utility model is three.In order to play a supporting role to crystal, film-falling crystallization pipe 7 is provided with fin 28 in the following part of mozzle 16, this fin 28 can be complete fin, also can have aperture on top, in order to strengthen unlikely the falling down of intensity of ingot, the fin 28 in the utility model has aperture.
On cylindrical outer cover 4, with respect to having media outlet 19 between lower perforated plate 9 and basecoat medium distribution tray 10, have material outlet 20 at the lowermost end of low head 6.
As shown in Figure 1, media storage mechanism 2 is composed in parallel by series loop A2-1, series loop B2-2, series loop C2-3.Inlet and the liquid outlet place of the media storage case a21 of series loop A2-1 are in series with respectively two-position two-way solenoid valve a22, inlet and the liquid outlet place of the media storage case b23 of series loop B2-2 are in series with respectively two-position two-way solenoid valve b24, inlet and the liquid outlet place of the media storage case c25 of series loop C2-3 are in series with respectively two-position two-way solenoid valve c26, in the shunt circuit of composition, the installation direction of all two-position two-way solenoid valves is identical.
Be connected with the media outlet 19 of cylindrical outer cover 4 according to the inlet part of media storage mechanism 2 described above, liquid outlet part is connected with the inlet of hydraulic pump 3, between the liquid outlet of this hydraulic pump 3 and the medium import 14 of melting crystallizer 1, is in series with a heat exchanger 29.
For mass transfer enhancement and heat transfer property, an air circulation system is also installed on this fusion-crystallization device.As shown in Figure 1, the top of upper cover 5 has an air guide port 5-1, has exhaust outlet 5-2 in side, and this exhaust outlet 5-2 is connected with an air compressor 30, and the gas outlet of air compressor 30 is connected with air guide port 5-1.In order not make air compressor 30 damage, between the air guide port 5-1 of upper cover 5 and air compressor 30, need to install a buffer unit, in the present embodiment, buffer unit is selected air accumulator 31.
The purpose of this utility model is exactly in order to purify, share a pipeline for fear of mother liquor, sweating impurity, purifying crystal thing, the utility model is provided with side by side two-position two-way solenoid valve d32, two-position two-way solenoid valve e33, two-position two-way solenoid valve f34 after material outlet 20, and three above-mentioned magnetic valves support the use with series loop A2-1, series loop B2-2, series loop C2-3 respectively.
Use principle: deposit crystallization medium in media storage case a21, deposit sweating medium in media storage case b23, deposit melting media in media storage case c25.First open matching used two-position two-way solenoid valve a22 and two-position two-way solenoid valve d32, by motor-driven hydraulic pumps 3, crystallization medium is pumped in melting crystallizer 1, form falling liquid film by medium distribution tray 10 at the outer wall of film-falling crystallization pipe 7, material inlet 15 from cylindrical outer cover 4 is sent into material, form falling liquid film through mozzle 16 at the inwall of film-falling crystallization pipe 7, crystallization gradually, in the process of feeding, air compressor 30 is worked, in material, pass into compressed air, making it to form slug flow bubble in crystallizer rises, cause the turbulence of melt, mass transfer enhancement and heat transfer property, the pipeline that uncrystallized mother liquor is just controlled from two-position two-way solenoid valve d32 flows out.
Through after a period of time, stop feed, close two-position two-way solenoid valve a22 and two-position two-way solenoid valve d32, open the two-position two-way solenoid valve b24 and the two-position two-way solenoid valve e33 that are used in conjunction with simultaneously, by in the sweating medium suction melting crystallizer 1 in media storage case b23, giving sweating dielectric heating through heat exchanger 29, make temperature reach the fusing point of impurity in crystal by hydraulic pump 3, reach the effect of purification, the pipeline that the impurity of sweating is controlled from two-position two-way solenoid valve e33 flows out.
After sweating finishes, close two-position two-way solenoid valve b24 and two-position two-way solenoid valve e33, open matching used two-position two-way solenoid valve c26 and two-position two-way solenoid valve f34 simultaneously, hydraulic pump 3 is pumped melting media in melting crystallizer 1, heating in the time of melting media process heat exchanger 29, heating-up temperature reaches the fusing point of material to be purified, and the crystalline material of molten condition flows out from the pipeline of two-position two-way solenoid valve f34.
Claims (5)
1. a fusion-crystallization device, comprises a melting crystallizer, and the structure of described melting crystallizer is: comprise cylindrical outer cover, vertically arranged film-falling crystallization pipe, level are arranged on the medium distribution tray in melting crystallizer in the enclosure; Described shell forms enclosure space by upper cover and low head; Described shell upper is provided with medium import, material inlet, and bottom arranges media outlet, and low head is provided with material outlet; Described film-falling crystallization pipe is fixed by upper perforated plate and lower perforated plate, and film-falling crystallization Guan Shangjun is inserted with mozzle, described mozzle hollow, and top is provided with steam vent, and bottom is provided with guiding subassembly; In described medium distribution tray, be provided with medium pod apertures, spout hole and medium refluence assembly corresponding to film-falling crystallization pipe place; Described film-falling crystallization pipe is through medium pod apertures;
It is characterized in that: also comprise a media storage mechanism, described media storage mechanism structure is: the inlet of media storage case a and liquid outlet are in series with respectively two-position two-way solenoid valve a composition series loop A, and described two-position two-way solenoid valve a installation direction is identical; The inlet of media storage case b and liquid outlet are in series with respectively two-position two-way solenoid valve b composition series loop B, and described two-position two-way solenoid valve b installation direction is identical; The inlet of media storage case c and liquid outlet are in series with respectively two-position two-way solenoid valve c composition series loop C, and described two-position two-way solenoid valve c installation direction is identical; Described series loop A, series loop B, series loop C parallel connection, in shunt circuit, all two-position two-way solenoid valve installation directions are identical;
One end of described media storage mechanism is connected with the media outlet of shell, and the other end is connected with hydraulic pump inlet, is in series with a heat exchanger between described hydraulic pump liquid outlet and medium import.
2. fusion-crystallization device according to claim 1, is characterized in that: described film-falling crystallization pipe part below mozzle has fin, and described fin is complete fin or has aperture.
3. fusion-crystallization device according to claim 2, it is characterized in that: on described upper cover, top has an air guide port, side has an exhaust outlet, and described air guide port is connected with an air compressor gas outlet, and exhaust outlet is connected with the air inlet of air compressor.
4. fusion-crystallization device according to claim 3, is characterized in that: an air accumulator is installed between described upper cover air guide port and air compressor gas outlet.
5. fusion-crystallization device according to claim 4, it is characterized in that: the material outlet place of described low head is provided with three two-position two-way solenoid valves, described three two-position two-way solenoid valve parallel connections, the inlet of two-position two-way solenoid valve is connected with material outlet, described three two-position two-way solenoid valves respectively with series loop A, series loop B, the corresponding use of series loop C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018302.7U CN203677985U (en) | 2014-01-13 | 2014-01-13 | Melt crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018302.7U CN203677985U (en) | 2014-01-13 | 2014-01-13 | Melt crystallization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203677985U true CN203677985U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420018302.7U Expired - Lifetime CN203677985U (en) | 2014-01-13 | 2014-01-13 | Melt crystallization device |
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| Country | Link |
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| CN (1) | CN203677985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544921A (en) * | 2020-06-29 | 2020-08-18 | 天津乐科节能科技有限公司 | Self-backheating continuous melting crystallization system and method |
-
2014
- 2014-01-13 CN CN201420018302.7U patent/CN203677985U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111544921A (en) * | 2020-06-29 | 2020-08-18 | 天津乐科节能科技有限公司 | Self-backheating continuous melting crystallization system and method |
| CN111544921B (en) * | 2020-06-29 | 2020-10-16 | 天津乐科节能科技有限公司 | Self-backheating continuous melting crystallization system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |