CN209405726U - Three sections of temperature gradient continuous crystallisation devices of second level - Google Patents
Three sections of temperature gradient continuous crystallisation devices of second level Download PDFInfo
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- CN209405726U CN209405726U CN201822209219.9U CN201822209219U CN209405726U CN 209405726 U CN209405726 U CN 209405726U CN 201822209219 U CN201822209219 U CN 201822209219U CN 209405726 U CN209405726 U CN 209405726U
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 48
- 230000008025 crystallization Effects 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 230000008676 import Effects 0.000 claims abstract description 13
- 239000013078 crystal Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a kind of three sections of temperature gradient continuous crystallisation devices of second level, including the first crystallizer, the second crystallizer, third crystallizer and liquid reserve tank；The discharge port of first crystallizer is connected with the feed inlet of the second crystallizer, and the discharge port of the second crystallizer is connected with the feed inlet of third crystallizer；First crystallizer, the second crystallizer and third crystallizer upper end are equipped with cold and hot pipe outlet, the cold and hot feed pipe inlet in lower end, liquid reserve tank is equipped with outlet and import, the outlet of liquid reserve tank is connected to cold and hot feed pipe inlet, import is connected to cold and hot pipe outlet, so that cold and hot medium circulation is to liquid reserve tank.The crystallization apparatus is not only simple in structure, is easy to operate, and crystallization temperature precise control, crystallization are thoroughly；Wherein, which is crystallized by being arranged to three-stage and combines second level blender, and not only crystallization uniformly, and can be according to the needs of crystallization, and every section of control different temperatures is with formation temperature gradient type.
Description
Technical field
The utility model belongs to the three sections of temperature gradient continuous crystallisation devices in crystallization apparatus field more particularly to a kind of second level.
Background technique
Various crystallization apparatus used at present are generally divided into primary crystallization device or one section of continuous crystallisation dress in structure
It sets.Wherein, primary crystallization apparatus structure is jacket type, and disposably material is added inside crystallizer, heating is passed through in collet
Or cooling medium carries out gradually temperature control, typical temperature and carries out from high to low, until wherein easy crystallographic component is fully crystallized, reaches and wants
Until asking, easy crystallographic component is crystallized more thoroughly, but crystallization time cannot achieve continuous operation compared with long, temperature control difficulty is big；Even
Continuous crystallization apparatus is decanter type or centrifugal, structure be include import, out that crystallized region upper and lower end is respectively equipped with crystal solution
Mouthful, collet is externally provided in crystallized region, and the upper and lower side of collet is equipped with the import and export of cold and hot medium, is continuously by material and cold and hot
Medium is passed through inside crystallizer and interlayer, and treating capacity is larger, but crystallization process is uneven, yield is low.
Utility model content
A kind of purpose of utility model: and crystallization uniform second level three Duan Wen simple the purpose of the utility model is to provide structure
Spend gradient continuous crystallisation device.
Technical solution: three sections of temperature gradient continuous crystallisation devices of second level of the utility model, including the first crystallizer, second
Crystallizer, third crystallizer and liquid reserve tank；The top of first crystallizer, the second crystallizer and third crystallizer be equipped with into
Material mouth, bottom end are equipped with discharge port, and the discharge port of the first crystallizer is connected with the feed inlet of the second crystallizer, the second crystallizer
Discharge port be connected with the feed inlet of third crystallizer；First crystallizer, the second crystallizer and third crystallizer it is upper
End is equipped with cold and hot pipe outlet, and lower end is equipped with cold and hot feed pipe inlet, and liquid reserve tank is equipped with outlet and import, it is described go out
It mouthful is connected to cold and hot feed pipe inlet, import is connected to cold and hot pipe outlet, so that cold and hot medium circulation is to liquid reserve tank.
Furtherly, second level blender, second level stirring are equipped in the first crystallizer, the second crystallizer and third crystallizer
The upper end of device is more than that respective crystallizer is open and is connected with driving device.First crystallizer, the second crystallizer and third crystallization
The upper end of device is additionally provided with crystal solution feed inlet.Collet is equipped in first crystallizer, the second crystallizer and third crystallizer, it will be in it
Space where portion space is isolated into second level blender and cold and hot medium pass through space, the crystal solution feed inlet, feed inlet and two
Space where grade blender is connected.First crystallizer, the second crystallizer are additionally provided with thermometer boss on third crystallizer.
Spare discharge port is additionally provided at the discharge port end of first crystallizer, the second crystallizer and third crystallizer.Third crystallizer goes out
Bite type interface is equipped at material mouth.
Furtherly, the feed inlet of crystal solution feed inlet, feed inlet, the discharge port of the first crystallizer and the second crystallizer
The junction of the feed inlet of junction, the discharge port of the second crystallizer and third crystallizer is equipped with cock, the outlet with it is cold
Flow control valve is equipped at thermal medium feed inlet junction, import and cold and hot pipe outlet.
The utility model has the advantages that compared with prior art, the advantages of the utility model are as follows: the crystallization apparatus is not only simple in structure, grasps
Facilitate, and crystallization temperature precise control, crystallization are thoroughly；Wherein, which is crystallized by being arranged to three-stage and combines second level
Blender, not only crystallization is uniform, and can be according to the needs of crystallization, and every section can control different temperatures formation temperature gradient type.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model crystallization apparatus.
Specific embodiment
The technical solution of the utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, three sections of temperature gradient continuous crystallisation devices of the second level of the utility model are adapted in solid-liquid mixture
The separation of easy crystalline material comprising the first crystallizer 1, the second crystallizer being successively connected in series by feed inlet 5 and discharge port 6
2 and third crystallizer 3, and the liquid reserve tank 4 being connected with the first crystallizer 1, the second crystallizer 2 and third crystallizer 3,
First crystallizer 1, the second crystallizer 2 are identical with the structure of third crystallizer 3.The top of first crystallizer 1 is equipped with feed inlet 5
With crystal solution feed inlet 12, bottom end is equipped with discharge port 6, and the top of the second crystallizer 2 is equipped with feed inlet 5 and crystal solution feed inlet
12, bottom end is equipped with discharge port 6, and the top of third crystallizer 3 is equipped with feed inlet 5 and crystal solution feed inlet 12, and bottom end is equipped with discharging
Mouthfuls 6, the feed inlet 5 of the second crystallizer 2 is connected with the discharge port 6 of the first crystallizer 1, the feed inlet 5 of third crystallizer 3 and the
The discharge port 6 of two crystallizers 2 is connected.Liquid reserve tank 4 is equipped with outlet 9 and import 10, corresponding, the first crystallizer 1, the second knot
The upper end of brilliant device 2 and third crystallizer 3 is equipped with cold and hot pipe outlet 7, and lower end is equipped with cold and hot feed pipe inlet 8, liquid storage
Outlet 9 on case 4 is connected with cold and hot feed pipe inlet 8 respectively, and import 10 is connected with cold and hot pipe outlet 7 respectively, adopts
The mode gone out with bottom in and top out, side into the other side, and be recycled to liquid reserve tank 4.
It is equipped with second level blender 11 in first crystallizer 1, the second crystallizer 2 and third crystallizer 3, the second level blender
11 upper end is more than that respective crystallizer is open and is connected with driving device (motor), and grinding port plug, driving device is arranged in opening
Three second level blenders 11 can be uniformly controlled or three driving devices are set according to demand and be independently controlled.First crystallizer
1, it is additionally provided with collet 13 inside the second crystallizer 2 and third crystallizer 3, its inner space is isolated by second level by the collet 13
11 place space of blender and cold and hot medium are by space, and crystal solution feed inlet 12, feed inlet 5, discharge port 6 and second level stir
Space where device 11 is connected.First crystallizer 1, the second crystallizer 2 and third crystallizer 3 are equipped with thermometer boss 18,
To place thermometer, with temperature in each crystallized region of Accurate Determining.First crystallizer 1, the second crystallizer 2 and third crystallization
It is additionally provided with spare discharge port 16 at 6 end of discharge port of device 3, cock can be installed, line clogging is prevented.Third crystallizer 3 goes out
Bite type interface 17, easy to disassemble and crystalline mother solution discharge are equipped at material mouth 6.
In addition, the device further includes set on crystal solution feed inlet 12, feed inlet 5, the discharge port 6 of the first crystallizer 1 and the
The junction of the feed inlet 5 of 5 junction of feed inlet of two crystallizers 2, the discharge port 6 of the second crystallizer 2 and third crystallizer 3
Equipped with cock 14, convenient for controlling the speed that this section of crystal solution flows to next crystallizer.The outlet 9 of liquid reserve tank 4 and cold and hot medium into
Flow control valve 15 at 8 junction of material mouth, import 10 and cold and hot pipe outlet 7 realizes the control of three sections of different crystallization temperatures
System.
Flange or other modes can be used in the connection of the junction of the utility model, and satisfaction is vertically connected with No leakage.
Working principle: the material being crystallized is added in the first crystallizer 1 by certain flow velocity, controls second level blender 11
Mixing speed, the substance crystallization micro first easily crystallized in material control the cock 14 at 1 discharge port 6 of the first knot crystallizer, adjust
The speed that crystal solution flows into the second crystallizer 2 is controlled, and regulates and controls the temperature in the second crystallizer 2 simultaneously, crystal is obviously grown, such as
This carries out third crystallizer 3 and operates, until crystallization is fully crystallized.
Claims (8)
1. a kind of three sections of temperature gradient continuous crystallisation devices of second level, it is characterised in that: including the first crystallizer (1), the second crystallization
Device (2), third crystallizer (3) and liquid reserve tank (4)；First crystallizer (1), the second crystallizer (2) and third crystallizer (3)
Top be equipped with feed inlet (5), bottom end is equipped with discharge port (6), the discharge port (6) of the first crystallizer (1) with second crystallization
The feed inlet (5) of device (2) is connected, and the discharge port (6) of the second crystallizer (2) is connected with the feed inlet (5) of third crystallizer (3)
It is logical；The upper end of first crystallizer (1), the second crystallizer (2) and third crystallizer (3) is equipped with cold and hot pipe outlet
(7), lower end is equipped with cold and hot feed pipe inlet (8), and liquid reserve tank (4) is equipped with outlet (9) and import (10), the outlet (9)
It is connected to cold and hot feed pipe inlet (8), import (10) is connected to cold and hot pipe outlet (7), so that cold and hot medium circulation
To liquid reserve tank (4).
2. three sections of temperature gradient continuous crystallisation devices of second level according to claim 1, it is characterised in that: first crystallization
Is equipped with second level blender (11) in device (1), the second crystallizer (2) and third crystallizer (3), the second level blender (11) it is upper
End is more than that respective crystallizer is open and is connected with driving device.
3. three sections of temperature gradient continuous crystallisation devices of second level according to claim 2, it is characterised in that: first crystallization
The upper end of device (1), the second crystallizer (2) and third crystallizer (3) is additionally provided with crystal solution feed inlet (12).
4. three sections of temperature gradient continuous crystallisation devices of second level according to claim 3, it is characterised in that: first crystallization
Collet (13) are equipped in device (1), the second crystallizer (2) and third crystallizer (3), its inner space is isolated into second level blender
(11) space and cold and hot medium where are by space, the crystal solution feed inlet (12), feed inlet (5) and second level blender (11)
The space at place is connected.
5. three sections of temperature gradient continuous crystallisation devices of second level according to claim 3, it is characterised in that: the crystal solution into
Material mouth (12), feed inlet (5), the first crystallizer (1) discharge port (6) and the second crystallizer feed inlet (5) junction, second
The junction of the feed inlet (5) of the discharge port (6) and third crystallizer (3) of crystallizer (2) is equipped with cock (14), the outlet
(9) flow control valve is equipped with at cold and hot feed pipe inlet (8) junction, import (10) and cold and hot pipe outlet (7)
(15)。
6. three sections of temperature gradient continuous crystallisation devices of second level according to claim 1, it is characterised in that: first crystallization
Spare discharge port (16) are additionally provided at discharge port (6) end of device (1), the second crystallizer (2) and third crystallizer (3).
7. three sections of temperature gradient continuous crystallisation devices of second level according to claim 1, it is characterised in that: the third crystallization
Bite type interface (17) are equipped at the discharge port (6) of device (3).
8. three sections of temperature gradient continuous crystallisation devices of second level according to claim 1, it is characterised in that: first crystallization
Device (1), the second crystallizer (2) are additionally provided with thermometer boss (18) on third crystallizer (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822209219.9U CN209405726U (en) | 2018-12-27 | 2018-12-27 | Three sections of temperature gradient continuous crystallisation devices of second level |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822209219.9U CN209405726U (en) | 2018-12-27 | 2018-12-27 | Three sections of temperature gradient continuous crystallisation devices of second level |
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| CN209405726U true CN209405726U (en) | 2019-09-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661651A (en) * | 2020-12-31 | 2021-04-16 | 浙江闰土研究院有限公司 | Purification method and purification device of 3, 4-dichloronitrobenzene |
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2018
- 2018-12-27 CN CN201822209219.9U patent/CN209405726U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112661651A (en) * | 2020-12-31 | 2021-04-16 | 浙江闰土研究院有限公司 | Purification method and purification device of 3, 4-dichloronitrobenzene |
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