CN214485718U - High-efficient vacuum evaporation continuous crystallization device - Google Patents
High-efficient vacuum evaporation continuous crystallization device Download PDFInfo
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- CN214485718U CN214485718U CN202120388190.4U CN202120388190U CN214485718U CN 214485718 U CN214485718 U CN 214485718U CN 202120388190 U CN202120388190 U CN 202120388190U CN 214485718 U CN214485718 U CN 214485718U
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Abstract
The utility model discloses a high-efficient vacuum evaporation continuous crystallization device belongs to evaporation crystallization technical field. The device comprises a crystallizing tank, wherein a three-stage evaporation crystallizing chamber and a liquid collecting chamber are arranged in the crystallizing tank from top to bottom, the liquid collecting chamber is arranged at the bottom of the crystallizing tank, a liquid inlet is arranged at the top of the crystallizing tank, a liquid outlet is arranged at the bottom of the crystallizing tank, the liquid inlet is communicated with the uppermost-stage evaporation crystallizing chamber, and the liquid inlet is communicated with the liquid collecting chamber; the adjacent two stages of evaporative crystallization chambers, and the evaporative crystallization chambers and the liquid collection chamber are communicated through a material liquid pipeline; the evaporation crystallization chamber is internally provided with a stirring device, a steam outlet pipeline and a crystallization tank, and the steam outlet pipeline is connected with a vacuum compressor; the crystallization pool is arranged at the middle lower part of the evaporation crystallization chamber. The device is provided with the three-stage evaporation crystallization chamber, so that the continuous multiple crystallization process of liquid is realized, the crystallization process is carried out more thoroughly, the product waste is reduced, and the resources are saved.
Description
Technical Field
The utility model belongs to the technical field of the evaporation crystallization, concretely relates to high-efficient vacuum evaporation continuous crystallization device.
Background
The evaporation crystallization separation technology changes the solution from unsaturated state to saturated state, and continues evaporation, so that the excessive solute can be separated out in the form of crystal, and finally separation is realized. The technology is widely applied to the industries of pharmacy, fine chemical engineering, bioengineering and the like, and is used for the processes of stirring and mixing materials, cooling and freezing, crystallizing finished products and the like. The existing evaporation crystallization separation equipment adopts one-time crystallization operation, crystals are collected after crystallization is finished, and liquid which is not crystallized is directly discharged as waste liquid; the waste liquid generated by the separation technology also contains a large amount of uncrystallized products, and direct discharge can bring a large amount of product waste, so that improvement on the existing evaporation separation equipment to improve the crystallization efficiency becomes a problem to be solved urgently.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a high-efficiency vacuum evaporation continuous crystallization device, which realizes continuous multistage evaporation crystallization of liquid, improves crystallization efficiency and saves energy.
In order to solve the above problem, the utility model adopts the following technical scheme:
a high-efficiency vacuum evaporation continuous crystallization device comprises a crystallization tank, wherein three-stage evaporation crystallization chambers and a liquid collection chamber are arranged in the crystallization tank from top to bottom, the liquid collection chamber is arranged at the bottom of the crystallization tank, a liquid inlet is formed in the top of the crystallization tank, a liquid outlet is formed in the bottom of the crystallization tank, the liquid inlet is communicated with the uppermost evaporation crystallization chamber, and the liquid inlet is communicated with the liquid collection chamber; the adjacent two stages of evaporative crystallization chambers, and the evaporative crystallization chambers and the liquid collection chamber are communicated through a material liquid pipeline;
the evaporation crystallization chamber is internally provided with a stirring device, a steam outlet pipeline and a crystallization tank, and the steam outlet pipeline is connected with a vacuum compressor; the crystallization pool is arranged at the middle lower part of the evaporation crystallization chamber.
According to the efficient vacuum evaporation continuous crystallization device, the bottom surface of the crystallization tank is an inclined plane, and the inclination directions of the bottom parts of the crystallization tanks of two adjacent stages of evaporation crystallization chambers are opposite.
In the high-efficiency vacuum evaporation continuous crystallization device, the liquid inlet and the liquid outlet of the liquid material pipeline are both arranged at the upper middle position of the inclined plane of the crystallization tank of the evaporation crystallization chamber.
In the high-efficiency vacuum evaporation continuous crystallization device, the outer side wall of the evaporation crystallization chamber is provided with a jacket, and the jacket is provided with a liquid inlet and a liquid outlet; the outer side wall of the uppermost stage of evaporative crystallization chamber is provided with a first jacket, the outer side wall of the middle stage of evaporative crystallization chamber is provided with a second jacket, and the outer side wall of the lowermost stage of evaporative crystallization chamber is provided with a third jacket; the temperature of the heated liquid in the three jackets gradually increases from top to bottom.
The efficient vacuum evaporation continuous crystallization device comprises a stirring device, a stirring device and a control device, wherein the stirring device comprises a connecting shaft, a rotating wheel, a guide plate and a motor; the motor is arranged on the outer side wall of the crystallizing tank, the connecting shaft is connected in front of the motor and penetrates through the rotating wheel from the inside of the rotating wheel, the other end penetrating through the connecting shaft is arranged on the inner side wall of the crystallizing tank, the rotating wheel and the connecting shaft form a rotating structure, and a guide plate is fixedly arranged on the surface of the rotating wheel at equal angles.
The high-efficiency vacuum evaporation continuous crystallization device is characterized in that valves are arranged at the upper parts of a liquid inlet pipeline and a liquid outlet pipeline of the liquid material pipeline.
The outer side wall of the liquid collecting chamber is provided with a jacket.
Has the advantages that: compared with the prior art, the beneficial effects of the utility model are that:
(1) the three-stage evaporation crystallization chamber is arranged in the high-efficiency vacuum evaporation continuous crystallization device, so that the continuous multiple crystallization process of liquid is realized, the crystallization process is carried out more thoroughly, the waste of products is reduced, and resources are saved.
(2) All be equipped with agitating unit in each grade evaporation crystallization room among the continuous crystallization device of high-efficient vacuum evaporation, constantly stir liquid at the crystallization in-process, improved stirring efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a high-efficiency vacuum evaporation continuous crystallization device;
fig. 2 is a side view of the stirring device.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Example 1
A high-efficiency vacuum evaporation continuous crystallization device is shown in figure 1. As shown in fig. 1, the device comprises a crystallization tank 1, wherein three-stage evaporative crystallization chambers and a liquid collection chamber 14 are arranged in the crystallization tank 1 from top to bottom, the liquid collection chamber 14 is arranged at the bottom of the crystallization tank 1, a liquid inlet 2 is arranged at the top of the crystallization tank 1, a liquid outlet 15 is arranged at the bottom of the crystallization tank, the liquid inlet 2 is communicated with the uppermost-stage evaporative crystallization chamber, and the liquid inlet 2 is communicated with the liquid collection chamber 14; the adjacent two stages of evaporative crystallization chambers and the liquid collection chamber 14 are communicated through a material liquid pipeline 7; valves are arranged on the liquid inlet pipeline and the liquid outlet pipeline of the material liquid pipeline 7; a stirring device, a steam outlet pipeline 8 and a crystallization tank 3 are arranged in the evaporation crystallization chamber, and the steam outlet pipeline 8 is connected with a vacuum compressor 13; the crystallizing pond 3 is arranged at the middle lower part of the evaporation crystallizing chamber.
The outer side wall of the evaporative crystallization chamber is provided with a jacket, and the jacket is provided with a liquid inlet and a liquid outlet; wherein, the outer side wall of the uppermost stage of evaporative crystallization chamber is provided with a first jacket 4, the outer side wall of the middle stage of evaporative crystallization chamber is provided with a second jacket 5, and the outer side wall of the lowermost stage of evaporative crystallization chamber is provided with a third jacket 6; the temperature of the heated liquid in the three jackets gradually increases from top to bottom.
The device is provided with a three-stage evaporative crystallization device, mixed liquid to be crystallized enters an uppermost-stage evaporative crystallization chamber through a liquid inlet 2, a vacuum compressor 13 is started, heated liquid is introduced into a first jacket 4 to heat the liquid, the liquid is crystallized in a crystallization tank, steam is extracted through a steam outlet pipeline 8, the vacuum compressor 13 is closed after first-stage crystallization is finished, and a liquid material pipeline 7 is opened to introduce liquid which is not crystallized in the first-stage evaporative crystallization chamber into a second-stage evaporative crystallization chamber; then a vacuum compressor 13 is opened, heating liquid is introduced into the second jacket 5 to heat the liquid again to continue crystallization, steam is extracted through a steam outlet pipeline 8, the vacuum compressor 13 is closed after second-stage crystallization is finished, a feed liquid pipeline 7 is opened to introduce the liquid which is not crystallized in the second-stage crystallization evaporation chamber into a third-stage crystallization evaporation chamber; and then, a vacuum compressor 13 is started, heating liquid is introduced into the third jacket 6 to heat the liquid again to continue crystallization, steam is extracted through a steam outlet pipeline 8, the vacuum compressor 13 is closed after the third-stage crystallization is finished, a material liquid pipeline 7 is opened to introduce the liquid which is not crystallized in the third-stage crystallization evaporation chamber into a liquid collecting chamber 14, and the liquid is discharged through a liquid outlet 15 after the liquid collection is finished.
This high-efficient vacuum evaporation continuous crystallization device has realized the tertiary continuous evaporative crystallization of liquid, only needs to carry out on-off operation to the valve at the in-process of continuous evaporative crystallization, and the feed liquid shifts the operation and does not need artifical the transportation, and great using manpower sparingly, resources are saved improves crystallization efficiency.
Example 2
A high-efficiency vacuum evaporation continuous crystallization device is structurally shown in figures 1 and 2. As shown in fig. 1 and 2, the device comprises a crystallization tank 1, wherein three stages of evaporative crystallization chambers and a liquid collection chamber 14 are arranged in the crystallization tank 1 from top to bottom, the liquid collection chamber is arranged at the bottom of the crystallization tank 1, a liquid inlet 2 is arranged at the top of the crystallization tank 1, a liquid outlet 15 is arranged at the bottom of the crystallization tank 1, the liquid inlet 2 is communicated with the uppermost stage of evaporative crystallization chamber, and the liquid inlet 2 is communicated with the liquid collection chamber 14; the adjacent two stages of evaporative crystallization chambers and the liquid collection chamber 14 are communicated through a material liquid pipeline 7; the liquid inlet and the liquid outlet of the liquid material pipeline 7 are both arranged at the upper position of the middle part of the inclined plane of the crystallizing pool of the evaporation crystallizing chamber.
A stirring device, a steam outlet pipeline 8 and a crystallization tank 3 are arranged in the evaporation crystallization chamber, and the steam outlet pipeline 8 is connected with a vacuum compressor 13; the crystallizing pond 3 is arranged at the middle lower part of the evaporation crystallizing chamber. The bottom surface of the crystallization tank 3 is an inclined surface, and the inclination directions of the bottom parts of the crystallization tanks of the two adjacent stages of evaporation crystallization chambers are opposite.
The outer side wall of the evaporative crystallization chamber is provided with a jacket, and the jacket is provided with a liquid inlet and a liquid outlet; wherein, the outer side wall of the uppermost stage of evaporative crystallization chamber is provided with a first jacket 4, the outer side wall of the middle stage of evaporative crystallization chamber is provided with a second jacket 5, and the outer side wall of the lowermost stage of evaporative crystallization chamber is provided with a third jacket 6; the temperature of the heated liquid in the three jackets gradually increases from top to bottom. The outer side wall of the liquid collecting chamber 14 is provided with a jacket.
The stirring device comprises a connecting shaft 9, a rotating wheel 10, a guide plate 11 and a motor 12; the motor 12 is arranged on the outer side wall of the crystallizing tank 1, the connecting shaft 9 is connected in front of the motor 12, the connecting shaft 9 penetrates through the rotating wheel 10, the other end penetrating through the rear connecting shaft 9 is arranged on the inner side wall of the crystallizing tank 1, the rotating wheel 10 and the connecting shaft 9 form a rotating structure, and the guide plate 2 is fixedly arranged on the surface of the rotating wheel 10 at an equal angle.
The device is provided with a three-stage evaporative crystallization device, mixed liquid to be crystallized enters an uppermost-stage evaporative crystallization chamber through a liquid inlet 2, a vacuum compressor 13 and a stirring device in a first-stage crystallization evaporation chamber are started, and heated liquid is introduced into a first jacket 4 to heat the liquid; the mixed liquid is continuously dispersed under the action of the guide plate 11, and the liquid is heated more uniformly. Crystallizing the liquid in a crystallizing pond, pumping out steam through a steam outlet pipeline 8, closing a vacuum compressor 13 and a stirring device in a first-stage crystallization evaporation chamber after the first-stage crystallization is finished, and opening a material liquid pipeline 7 to introduce the liquid which is not crystallized in the first-stage crystallization evaporation chamber into a second-stage crystallization evaporation chamber; then opening a vacuum compressor 13 and a stirring device in a second-stage evaporation crystallization chamber, introducing a heating liquid into a second jacket 5 to heat the liquid again for continuous crystallization, pumping steam out through a steam outlet pipeline 8, closing the stirring device in the second-stage evaporation crystallization chamber of the vacuum compressor 13 after the second-stage crystallization is finished, and opening a feed liquid pipeline 7 to introduce the liquid which is not crystallized in the second-stage evaporation chamber into a third-stage evaporation chamber; then a vacuum compressor 13 and a stirring device in the third-stage evaporation crystallization chamber are opened, heating liquid is introduced into a third jacket 6 to heat the liquid again for continuous crystallization, steam is extracted out through a steam outlet pipeline 8, the vacuum compressor 13 and the stirring device in the third-stage evaporation crystallization chamber are closed after the third-stage crystallization is finished, a material liquid pipeline 7 is opened to introduce the liquid which is not crystallized in the third-stage evaporation chamber into a liquid collection chamber 14 for evaporation crystallization again, and the liquid is discharged through a liquid outlet 15 after the liquid is collected.
The efficient vacuum evaporation continuous crystallization device realizes three-stage continuous evaporation crystallization of liquid, and the liquid is heated more uniformly and has better crystallization effect under the action of the stirring device in the continuous evaporation crystallization process; and only need carry out on-off operation to the valve in the crystallization process, the feed liquid shifts the operation and does not need artifical the transportation, great using manpower sparingly, resources are saved improves crystallization efficiency.
Claims (7)
1. The efficient vacuum evaporation continuous crystallization device is characterized by comprising a crystallization tank (1), wherein three-stage evaporation crystallization chambers and a liquid collection chamber (14) are arranged in the crystallization tank (1) from top to bottom, the liquid collection chamber is arranged at the bottom of the crystallization tank (1), a liquid inlet (2) is arranged at the top of the crystallization tank (1), a liquid outlet (15) is arranged at the bottom of the crystallization tank (1), the liquid inlet (2) is communicated with the evaporation crystallization chamber at the uppermost stage, and the liquid inlet (2) is communicated with the liquid collection chamber (14); the adjacent two stages of evaporative crystallization chambers, and the evaporative crystallization chambers and the liquid collection chamber (14) are communicated through a material liquid pipeline (7);
a stirring device, a steam outlet pipeline (8) and a crystallization pool (3) are arranged in the evaporation crystallization chamber, and the steam outlet pipeline (8) is connected with a vacuum compressor (13); the crystallization tank (3) is arranged at the middle lower part of the evaporation crystallization chamber.
2. The high-efficiency vacuum evaporation continuous crystallization device as claimed in claim 1, wherein the bottom surface of the crystallization tank (3) is a slope, and the bottom of the crystallization tank of the two adjacent stages of evaporation crystallization chambers is inclined in opposite directions.
3. The high-efficiency vacuum evaporation continuous crystallization device as claimed in claim 1, wherein the liquid inlet and the liquid outlet of the liquid pipeline (7) are both arranged at a position above the middle of the inclined plane of the crystallization pool of the evaporation crystallization chamber.
4. The high-efficiency vacuum evaporation continuous crystallization device as claimed in claim 1, wherein a jacket is arranged on the outer side wall of the evaporation crystallization chamber, and a liquid inlet and a liquid outlet are arranged on the jacket; wherein, the outer side wall of the uppermost stage of evaporative crystallization chamber is provided with a first jacket (4), the outer side wall of the middle stage of evaporative crystallization chamber is provided with a second jacket (5), and the outer side wall of the lowermost stage of evaporative crystallization chamber is provided with a third jacket (6); the temperature of the heated liquid in the three jackets gradually increases from top to bottom.
5. The high-efficiency vacuum evaporation continuous crystallization device as claimed in claim 1, wherein the stirring device comprises a connecting shaft (9), a rotating wheel (10), a guide plate (11) and a motor (12); motor (12) are located on the lateral wall of crystallizer (1), and motor (12) the place ahead is connected with connecting axle (9) to connecting axle (9) run through from the inside of runner (10), the other end that runs through back connecting axle (9) is located on crystallizer (1) inside wall, runner (10) and connecting axle (9) constitute rotating-structure, the fixed guide plate (11) that are equipped with of angle such as surface of runner (10).
6. The high-efficiency vacuum evaporation continuous crystallization device as claimed in claim 1, wherein valves are arranged on the liquid inlet pipeline and the liquid outlet pipeline of the liquid pipeline (7).
7. The high-efficiency vacuum evaporation continuous crystallization device as claimed in claim 1, wherein a jacket is provided on the outer side wall of the liquid collection chamber (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120388190.4U CN214485718U (en) | 2021-02-22 | 2021-02-22 | High-efficient vacuum evaporation continuous crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120388190.4U CN214485718U (en) | 2021-02-22 | 2021-02-22 | High-efficient vacuum evaporation continuous crystallization device |
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| Publication Number | Publication Date |
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| CN214485718U true CN214485718U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120388190.4U Active CN214485718U (en) | 2021-02-22 | 2021-02-22 | High-efficient vacuum evaporation continuous crystallization device |
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| CN (1) | CN214485718U (en) |
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2021
- 2021-02-22 CN CN202120388190.4U patent/CN214485718U/en active Active
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