CN215962221U - Vacuum cooling crystallization system by using chilled water method - Google Patents
Vacuum cooling crystallization system by using chilled water method Download PDFInfo
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- CN215962221U CN215962221U CN202121207028.4U CN202121207028U CN215962221U CN 215962221 U CN215962221 U CN 215962221U CN 202121207028 U CN202121207028 U CN 202121207028U CN 215962221 U CN215962221 U CN 215962221U
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Abstract
The utility model belongs to the technical field of cooling crystallization, and particularly relates to a vacuum cooling crystallization system by a freezing water method, which comprises a crystallization tank, wherein a condensing mechanism comprises a condensing unit arranged at the top of the outer side wall of the crystallization tank and a vacuum pump arranged at the front side of the crystallization tank, a stirring and cleaning mechanism is arranged on the crystallization tank, power is provided by a driving motor to drive a connecting shaft rod at the output end of the stirring and cleaning mechanism to rotate, so that a stirring shaft is driven to rapidly stir, the solid-liquid ratio of feed liquid in the crystallization tank is relatively uniform, and a shunting hole is formed to enable the feed liquid to form trickle, so that the feed liquid and the solid-liquid are further mixed, the crystallization efficiency is improved, meanwhile, the stirring shaft can drive a cleaning blade to rotate in the rotating process, crystals on the inner wall of the crystallization tank are cleaned in an auxiliary manner, the actual volume in the crystallization tank is prevented from being reduced, the crystallization efficiency is prevented from being influenced, and the crystallization tank is even damaged.
Description
Technical Field
The utility model relates to the technical field of cooling crystallization, in particular to a vacuum cooling crystallization system by a chilled water method.
Background
Vacuum cooling crystallization means that the solvent is rapidly evaporated in a flash manner under vacuum conditions, and the heat required for evaporating the solvent under adiabatic conditions is completely from the solution, so that the temperature of the solution is continuously reduced and crystals are gradually separated out. At present, a steam jet pump method is adopted for vacuum cooling crystallization applied in the industrial field, according to the Venturi effect of a jet pump, low-pressure secondary steam in a crystallizer is jetted through high-pressure raw steam, exhaust steam of an outlet of the steam jet pump is condensed through cooling water, finally, crystallization operation is carried out through a crystallization tank, materials enter the crystallization tank, through the cooperation of a condensing mechanism, concentrated slurry formed by liquid to be crystallized is discharged from a discharge hole, the treatment capacity is large, and the crystallization efficiency is relatively high;
the material piece is adhered to easily to current crystallizer crystallization chamber inner wall, not only can arouse that the actual volume diminishes in the crystallizer, influences crystallization efficiency, but also can influence and damage the crystallizer even, and simultaneously, the inside certain stirring function that lacks of crystallizer leads to the feed liquid solid-liquid ratio inhomogeneous, influences the crystallization effect.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or problems occurring in the conventional crystallization tank.
Therefore, the utility model aims to provide a vacuum cooling crystallization system by a chilled water method, which can solve the problems that a material block is easy to adhere to the inner wall of a crystallization chamber of an existing crystallization tank, the actual volume in the crystallization tank is reduced, the crystallization effect is influenced, the crystallization tank is influenced or even damaged, and the solid-liquid ratio of a material liquid is not uniform due to the lack of a certain stirring function in the crystallization tank, and the crystallization effect is influenced.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a chilled water vacuum cooling crystallization system, comprising: a crystallization tank;
the condensation mechanism comprises a condensation unit arranged on the top of the outer side wall of the crystallization tank and a vacuum pump arranged on the front side of the crystallization tank;
on the crystallizer was arranged in to stirring clearance mechanism, including installing in the driving motor of crystallizer right-hand member, the driving motor output extended to in the crystallizer, and the tip key-type connection connecting shaft pole, the connecting shaft pole outside sets up a plurality of (mixing) shafts, and two adjacent (mixing) shaft outside all are connected with the clearance blade.
As a preferable embodiment of the vacuum cooling crystallization system by the chilled water method of the present invention, wherein: a plurality of (mixing) shafts are along connecting the axostylus axostyle lateral wall from last to being linear equidistance range setting down.
As a preferable embodiment of the vacuum cooling crystallization system by the chilled water method of the present invention, wherein: two shunting holes are symmetrically arranged on the stirring shaft.
As a preferable embodiment of the vacuum cooling crystallization system by the chilled water method of the present invention, wherein: four end angles at the bottom of the outer side wall of the crystallizing tank are connected with damping seats.
As a preferable embodiment of the vacuum cooling crystallization system by the chilled water method of the present invention, wherein: the right-hand member in crystallizer top is connected with the feed liquor port, and the crystallization outlet has been seted up to the crystallizer front end, and for making in the crystallizer with the better isolated of outside air, be seal cover double mechanical seal between driving motor and crystallizer.
Compared with the prior art: provide power through driving motor, the connecting shaft pole that drives its output rotates, and then drive the (mixing) shaft and carry out rapid mixing, it is relatively even to ensure that the feed liquid solid-liquid ratio of feed liquid in the crystallizer, and the setting of reposition of redundant personnel hole, make the feed liquid form the trickle, further with feed liquid and solid-liquid mixing, improve crystallization efficiency, and simultaneously, the (mixing) shaft is at the pivoted in-process, can drive the clearance blade rotation, assist the clearance to the crystallization of crystallizer inner wall, prevent to arouse that the actual volume in the crystallizer diminishes, influence crystallization efficiency, more can damage the crystallizer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic structural view of the stirring and cleaning mechanism of the present invention.
In the figure: 100 crystallization tanks, 110 liquid inlet ports, 120 crystallization outlets, 200 condensation mechanisms, 210 condensation units, 220 vacuum pumps, 300 stirring cleaning mechanisms, 310 driving motors, 320 connecting shafts, 330 stirring shafts, 331 diversion holes, 340 cleaning blades and 400 shock-absorbing seats.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a vacuum cooling crystallization system by a freezing water method, wherein a driving motor provides power to drive a connecting shaft rod at the output end of the vacuum cooling crystallization system to rotate, so that a stirring shaft is driven to rapidly stir, the solid-liquid ratio of a material liquid in a crystallization tank is relatively uniform, and the arrangement of a diversion hole enables the material liquid to form trickle, so that the material liquid and the solid-liquid are further uniformly mixed, and the crystallization efficiency is improved;
referring to fig. 1-2, in the crystallization tank 100, the right end of the top of the crystallization tank 100 is connected to the liquid inlet 110, the front end of the crystallization tank 100 is provided with the crystallization outlet 120, and in order to better isolate the interior of the crystallization tank 100 from the outside air, a sealing sleeve double-end-face mechanical seal is arranged between the driving motor 310 and the crystallization tank 100;
with continued reference to fig. 1-2, the condensing mechanism 200 includes a condensing unit 210 installed on the top of the outer sidewall of the crystallizer 100 and a vacuum pump 220 disposed in the front side of the crystallizer 100, the non-condensable gas in the crystallizer 100 is continuously pumped out by the vacuum pump 220, the pressure in the crystallizer 100 is gradually reduced, when the pressure is reduced to the saturated vapor pressure at the temperature of the feed liquid to be crystallized, the feed liquid starts to be vaporized by flash evaporation, the temperature of the feed liquid is continuously reduced, and then the feed liquid is condensed and crystallized by the condensing unit 210;
with continuing reference to fig. 1-2, the stirring and cleaning mechanism 300 is disposed on the crystallization tank 100, and includes a driving motor 310 screwed to the right end of the crystallization tank 100, the output end of the driving motor 310 extends into the crystallization tank 100, and the end portion of the driving motor is connected to the connecting shaft 320, eight stirring shafts 330 are welded to the outer side of the connecting shaft 320, the stirring shafts 330 are arranged along the outer side wall of the connecting shaft 320 in a linear and equidistant manner from top to bottom, two diversion holes 331 are symmetrically formed on the stirring shafts 330, cleaning blades 340 are connected to the outer sides of two adjacent stirring shafts 330, the connecting shaft 320 at the output end is driven to rotate by the driving motor 310, thereby driving the stirring shafts 330 to rapidly stir, ensuring that the solid-liquid ratio of the material and the liquid in the crystallization tank 100 is relatively uniform, and the diversion holes 331 are arranged to form a trickle for the material liquid, further mixing the material liquid with the solid-liquid, and the stirring shafts 330 are in the rotating process, the cleaning blades 340 can be driven to rotate to perform auxiliary cleaning on the crystals on the inner wall of the crystallization tank 100;
referring to fig. 2, the four corners of the bottom of the outer sidewall of the crystallizer 100 are respectively connected with a damping seat 400 by a screw, and the damping seat 400 is used to assist in eliminating the vibration generated during the whole operation of the apparatus.
The working principle is as follows: the utility model discloses a when using, provide power through driving motor 310, drive the connecting shaft pole 320 rotation of its output, and then drive (mixing) shaft 330 and carry out rapid mixing, it is relatively even to ensure feed liquid solid-liquid ratio in crystallizer 100, and the setting of reposition of redundant personnel hole 331, make the feed liquid form the trickle, further with feed liquid and solid-liquid mixing, improve crystallization efficiency, and simultaneously, (mixing) shaft 330 is at the pivoted in-process, can drive clearance blade 340 rotatory, the crystallization to crystallizer 100 inner wall is assisted and is cleared up, prevent to arouse that the actual volume diminishes in crystallizer 100, influence crystallization efficiency, can damage the crystallizer even more.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A frozen water method vacuum cooling crystallization system is characterized by comprising:
a crystallization tank (100);
the condensation mechanism (200) comprises a condensation unit (210) arranged on the top of the outer side wall of the crystallization tank (100) and a vacuum pump (220) arranged on the front side of the crystallization tank (100);
on crystallizer (100) was arranged in to stirring clearance mechanism (300), including installing in driving motor (310) of crystallizer (100) right-hand member, in driving motor (310) output extended to crystallizer (100), and tip key-type connection axostylus axostyle (320), connecting axostylus axostyle (320) outside sets up a plurality of (mixing) shafts (330), and two adjacent (mixing) shaft (330) outsides all are connected with clearance blade (340).
2. The system for vacuum cooling crystallization by chilled water method as claimed in claim 1, wherein the plurality of stirring shafts (330) are arranged in a linear equidistant arrangement from top to bottom along the outer sidewall of the connecting shaft (320).
3. The vacuum cooling crystallization system by the chilled water method as claimed in claim 1, wherein the stirring shaft (330) is symmetrically provided with two shunting holes (331).
4. The system as claimed in claim 1, wherein the four corners of the bottom of the outer sidewall of the crystallizing tank (100) are connected with shock absorbing seats (400).
5. The vacuum cooling crystallization system by the chilled water method as claimed in claim 1, wherein the right end of the top of the crystallization tank (100) is connected with a liquid inlet port (110), the front end of the crystallization tank (100) is provided with a crystallization outlet (120), and in order to better isolate the interior of the crystallization tank (100) from the outside air, a sealed double-end-face mechanical seal is arranged between the driving motor (310) and the crystallization tank (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207028.4U CN215962221U (en) | 2021-06-01 | 2021-06-01 | Vacuum cooling crystallization system by using chilled water method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207028.4U CN215962221U (en) | 2021-06-01 | 2021-06-01 | Vacuum cooling crystallization system by using chilled water method |
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| Publication Number | Publication Date |
|---|---|
| CN215962221U true CN215962221U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121207028.4U Active CN215962221U (en) | 2021-06-01 | 2021-06-01 | Vacuum cooling crystallization system by using chilled water method |
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| CN (1) | CN215962221U (en) |
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- 2021-06-01 CN CN202121207028.4U patent/CN215962221U/en active Active
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