CN211752612U - Continuous crystallizer - Google Patents
Continuous crystallizer Download PDFInfo
- Publication number
- CN211752612U CN211752612U CN201922045403.9U CN201922045403U CN211752612U CN 211752612 U CN211752612 U CN 211752612U CN 201922045403 U CN201922045403 U CN 201922045403U CN 211752612 U CN211752612 U CN 211752612U
- Authority
- CN
- China
- Prior art keywords
- circulating
- crystallizer
- outlet
- heat exchanger
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a continuous crystallizer belongs to crystal preparation technical field. Comprises a crystallizer, a circulating system, a heat exchanger, a condenser and a centrifugal separator; the arrangement and connection relationship between the two are as follows: the upper part of the crystallizer is connected with a condenser, the side surface of the crystallizer is provided with a circulating liquid outlet, the bottom of the crystallizer is provided with a crystal slurry outlet and a circulating condensed water outlet, the centrifugal separator is positioned below the crystallizer, and a crystal slurry inlet at the upper part of the centrifugal separator is connected with the crystal slurry outlet through a pipeline; a raw material liquid inlet is formed in one side of the circulating system, and a circulating condensed water inlet and a circulating liquid inlet are formed in the other side of the circulating system; the heat exchanger is located above the circulation system. The utility model provides a poor problem of continuous crystallizer comdenstion water comprehensive utilization.
Description
Technical Field
The utility model relates to a continuous crystallizer belongs to crystal preparation technical field.
Background
In the existing crystal preparation technology, the crystallization mode of intermittent crystallization is mainly adopted in the crystallization process, in the traditional gap crystallization process, after raw material liquid is conveyed to a crystallizer and is subjected to primary condensation by a condenser, the raw material liquid is discharged from the bottom of the crystallizer through the action of gravity, the main defects are that secondary condensed water generated by the crystallizer cannot be fully utilized, the raw material liquid also needs to be condensed before entering the crystallizer, and primary condensed water needs to be provided to refrigerate a heat exchanger, so that the resource is repeatedly wasted, the capacity of equipment and the production continuity are not seriously broken through, the equipment is easy to generate dirt, and is huge, the production efficiency of single equipment is low, and the product quality is unstable.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a continuous crystallizer to solve the problem of poor comprehensive utilization of the condensed water in the prior art.
The utility model discloses a realize through following technical scheme: a continuous crystallizer comprises a crystallizer, a circulating system, a heat exchanger, a condenser and a centrifugal separator; the arrangement and connection relationship between the two are as follows:
the upper part of the crystallizer is provided with a condensed water inlet connected with the condenser, the side surface of the crystallizer is provided with a circulating liquid outlet, the bottom of the crystallizer is provided with a crystal slurry outlet and a circulating condensed water outlet, the centrifugal separator is positioned below the crystallizer, and the crystal slurry inlet at the upper part of the centrifugal separator is connected with the crystal slurry outlet through a pipeline;
a raw material liquid inlet is formed in one side of the circulating system, a circulating condensed water inlet and a circulating liquid inlet are formed in the other side of the circulating system, the circulating condensed water inlet is communicated with the circulating liquid outlet through a pipeline, and the circulating liquid inlet is communicated with the circulating condensed water outlet through a pipeline;
the heat exchanger is located above the circulating system, the heat exchanger on the upper portion of the circulating system is communicated with the bottom of the heat exchanger through a connecting pipeline of the circulating system, a mixed liquid outlet is formed in the side portion of the heat exchanger and communicated with a mixed liquid inlet on the side portion of the condenser through a pipeline, and a raw water outlet is formed in the upper portion of the heat exchanger and communicated with a raw water inlet on the upper portion of the condenser.
Further, the centrifugal separator is a disc separator, the crystal slurry inlet is positioned in the center of a rotary drum of the disc separator, and the rotary drum is also provided with a filtrate outlet and a nozzle serving as a crystal outlet.
Furthermore, the connecting pipeline of the heat exchanger and the circulating system is a low-temperature liquid pipeline.
The utility model has the advantages that:
(1) in the crystallization process, firstly, raw material liquid enters a circulating system to be mixed with crystallization liquid circulating in a crystallization system, the mixed liquid is conveyed to the crystallization system, after cooling and crystallization, crystal slurry is discharged to a disc type separator, crystals are separated, and crystallization is realized.
(2) The top of the crystallizer is provided with a condenser, the bottom of the crystallizer is provided with a circulating condensed water outlet, the condensed water is changed into secondary condensed water after the raw material liquid passes through the condensed liquid, and the secondary condensed water enters the heat exchanger through the circulating condensed water outlet to be secondarily utilized, so that the energy consumption and the resource waste are greatly reduced.
(3) The crystallizer bottom is equipped with circulating device, can transport the relatively lower thick liquid of concentration to circulation system and raw materials liquid and mix, has just so realized the circulation of raw materials liquid, prevents the inside dirt that produces of crystallizer, accelerates production efficiency greatly.
Drawings
The invention will be further explained below with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the continuous crystallization apparatus of the present invention;
FIG. 2 is a schematic diagram of a crystallizer;
FIG. 3 is a schematic view of a heat exchanger;
FIG. 4 is a schematic view of a disk centrifuge.
In the figure, a crystallizer 1; a condensed water inlet 1-1; a circulation system 2; a heat exchanger 3; a disk centrifuge 4; a condenser 5; a raw material liquid inlet 6; a circulating condensed water inlet 7; a circulating liquid inlet 8; a mixed liquid inlet 9; a circulating liquid outlet 10; a circulating condensed water outlet 11; a raw water inlet 12; a crystal slurry outlet 13; a raw water outlet 14; a mixed liquid outlet 15; a heat exchanger and circulation system connecting pipeline 16; a slurry inlet 17; a crystal outlet 18; a filtrate outlet 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by the ordinary skilled person in the art without developing the creative work belong to the protection scope of the present invention.
Techniques, methods, and apparatus known to those skilled in the art may not be discussed in detail but are intended to be part of the specification as appropriate.
A continuous crystallizer as shown in fig. 1, comprising a crystallizer 1, a circulation system 2, a heat exchanger 3, a condenser 5 and a centrifugal separator 4; the arrangement and connection relationship between the two are as follows:
a condensed water inlet 1-1 is arranged at the upper part of the crystallizer 1 and is connected with the condenser 5, a circulating liquid outlet 10 is arranged on the side surface of the crystallizer 1, a crystal slurry outlet 13 and a circulating condensed water outlet 11 are arranged at the bottom of the crystallizer 1, the centrifugal separator 4 is positioned below the crystallizer 1, and a crystal slurry inlet 17 at the upper part of the centrifugal separator 4 is connected with the crystal slurry outlet 13 through a pipeline;
a raw material liquid inlet 6 is formed in one side of the circulating system 2, a circulating condensed water inlet 7 and a circulating liquid inlet 8 are formed in the other side of the circulating system 2, the circulating condensed water inlet 7 is communicated with a circulating liquid outlet 10 through a pipeline, and the circulating liquid inlet 8 is communicated with a circulating condensed water outlet 11 through a pipeline;
the heat exchanger 3 is positioned above the circulating system 2, a heat exchanger and circulating system connecting pipeline 16 at the upper part of the circulating system 2 is communicated with the bottom of the heat exchanger 3, a mixed liquid outlet 15 is arranged at the side part of the heat exchanger 3 and is communicated with a mixed liquid inlet 9 at the side part of the condenser 5 through a pipeline, and a raw water outlet 14 is arranged at the upper part of the heat exchanger 3 and is communicated with a raw water inlet 12 at the upper part of the condenser 5.
Further, the centrifugal separator 4 is a disc separator, the magma inlet 17 is located at the center of the drum of the disc separator, and a filtrate outlet 19 and a nozzle as a crystal outlet 18 are arranged on the drum.
Further, the heat exchanger and circulation system connecting pipeline 16 is a low-temperature liquid pipeline.
The basic principle of the utility model is that: the raw material liquid enters a circulating system to be mixed with the circulating crystallization liquid in the crystallization system, the mixed liquid is conveyed to the crystallization system, crystal slurry is generated after the mixed liquid enters the crystallization system, the crystallization liquid can be used as a catalyst, crystals in the raw material liquid are separated out continuously, the crystals are separated out through cooling of condensed water, and the crystal slurry is discharged to a centrifugal separator to separate out the crystals.
As an embodiment, preferably, the disc separator includes a centrifugal motor, a rotary drum, a vertical shaft, discs, a feed inlet, a liquid outlet, a nozzle, a base, and a casing, the rotary drum is mounted on the upper end of the vertical shaft and is driven by a motor through a transmission device to rotate at a high speed, the discs are mounted inside the rotary drum in a stacked manner, the feed inlet is located in the center of the rotary drum, the discharge outlet is connected with the rotary drum, the nozzle is located on the periphery of the rotary drum, the base is of a steel frame structure, and four rollers are arranged at the bottom of the base.
Preferably, the circulating system comprises a circulating liquid pipeline, an axial flow pump, a bottom plate, a heat exchanger and a low-temperature liquid pipeline, a raw material liquid inlet is formed in the side face of the circulating liquid pipeline, a pipe orifice below the circulating liquid pipeline is connected with a circulating liquid outlet in the side face of the crystallization system, the lower side of the heat exchanger is connected with a circulating condensed water outlet, the upper side of the heat exchanger is connected with the raw material liquid inlet, the low-temperature liquid pipeline is connected with the raw material liquid inlet, and the low-temperature liquid pipeline is connected with the heat exchanger pipeline.
Preferably, the crystallization system further comprises a condenser, a crystallizer, a circulating motor and circulating fan blades, wherein the condenser is arranged above the inside of the crystallizer, the crystallizer is respectively connected with the raw material liquid and the circulating system through pipelines, and the circulating motor and the circulating fan blades are arranged below the crystallizer.
The utility model has the working principle that the raw material liquid enters a circulating liquid pipeline from a raw material liquid inlet, an axial flow pump runs, the raw material liquid is mixed with the circulating crystallization liquid in a crystallization system, the mixed liquid is conveyed to the crystallization system, the mixed liquid enters the crystallization system and then is cooled and crystallized, the crystallization liquid can be used as a catalyst, crystals in the raw material liquid are continuously separated out, the concentration of the solution is increased, the crystals are separated out, after the crystal slurry reaches the standard, the crystal slurry is discharged into a feed inlet of a disc type separator through a crystal slurry outlet at the bottom of the crystallizer, a centrifugal motor rotates, the crystals are separated from the liquid through the centrifugal action, the separated crystals flow out through a nozzle, and the liquid is discharged from a liquid outlet; if the crystal mush needs to be crystallized again, the circulating motor at the bottom of the crystallizer works to drive the circulating fan blades to rotate, so that the crystal mush flows into the circulating liquid pipeline from the circulating liquid outlet, and the steps are repeated for multiple times of circulation.
The above description is only exemplary embodiments of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A continuous crystallizer, characterized by: comprises a crystallizer (1), a circulating system (2), a heat exchanger (3), a condenser (5) and a centrifugal separator (4); the arrangement and connection relationship between the two are as follows:
a condensed water inlet (1-1) is formed in the upper portion of the crystallizer (1) and connected with the condenser (5), a circulating liquid outlet (10) is formed in the side face of the crystallizer (1), a crystal slurry outlet (13) and a circulating condensed water outlet (11) are formed in the bottom of the crystallizer (1), the centrifugal separator (4) is located below the crystallizer (1), and a crystal slurry inlet (17) in the upper portion of the centrifugal separator (4) is connected with the crystal slurry outlet (13) through a pipeline;
a raw material liquid inlet (6) is formed in one side of the circulating system (2), a circulating condensed water inlet (7) and a circulating liquid inlet (8) are formed in the other side of the circulating system (2), the circulating condensed water inlet (7) is communicated with the circulating liquid outlet (10) through a pipeline, and the circulating liquid inlet (8) is communicated with the circulating condensed water outlet (11) through a pipeline;
the heat exchanger (3) is located above the circulating system (2), the heat exchanger on the upper portion of the circulating system (2) is communicated with the bottom of the circulating system connecting pipeline (16) and the heat exchanger (3), a mixed liquid outlet (15) is arranged on the side portion of the heat exchanger (3) and communicated with a mixed liquid inlet (9) on the side portion of the condenser (5) through a pipeline, and a raw water outlet (14) is arranged on the upper portion of the heat exchanger (3) and communicated with a raw water inlet (12) on the upper portion of the condenser (5).
2. The continuous crystallizer of claim 1, wherein: the centrifugal separator (4) is a disc separator, the crystal slurry inlet (17) is positioned in the center of a rotary drum of the disc separator, and a filtering liquid outlet (19) and a nozzle which is used as a crystal outlet (18) are arranged on the rotary drum.
3. The continuous crystallizer of claim 1, wherein: and the heat exchanger and circulating system connecting pipeline (16) is a low-temperature liquid pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045403.9U CN211752612U (en) | 2019-11-25 | 2019-11-25 | Continuous crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922045403.9U CN211752612U (en) | 2019-11-25 | 2019-11-25 | Continuous crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211752612U true CN211752612U (en) | 2020-10-27 |
Family
ID=72962192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922045403.9U Expired - Fee Related CN211752612U (en) | 2019-11-25 | 2019-11-25 | Continuous crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211752612U (en) |
-
2019
- 2019-11-25 CN CN201922045403.9U patent/CN211752612U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211752612U (en) | Continuous crystallizer | |
| CN210477946U (en) | Heat radiator for environment-friendly plastic paper cup forming machine | |
| CN102908793B (en) | Horizontal type biaxial distillation apparatus suitable for continuous separation of viscous material series | |
| CN106767054A (en) | Dish-style heat-exchange device and method | |
| CN102240459B (en) | Solution concentrator unit | |
| CN110898943A (en) | Open type nano intelligent sand mill | |
| CN108192687B (en) | Water-based graphite-based release agent and preparation and use methods thereof | |
| CN111795513B (en) | Two-state thermal drive refrigerating system | |
| CN206334555U (en) | A kind of chemical liquid mixing device | |
| CN208327839U (en) | A kind of air-cooled granulating device of high-temperature slag | |
| CN214871664U (en) | Refrigeration cycle heat sink of concrete mixing system | |
| CN214050945U (en) | Anti-freezing device of dust suppression system | |
| CN211521612U (en) | Lithium carbonate impurity removing device | |
| CN221549082U (en) | Air-cooled cyclone separator for processing blow molding drip chamber material | |
| CN200963537Y (en) | Filtering separation device for crystal slurry solution | |
| CN206701510U (en) | A kind of mixed material efficiently separates machine | |
| CN217612940U (en) | Concentrator for producing flake caustic soda | |
| CN210683378U (en) | High-efficient purification unit of domestic sewage | |
| CN216472695U (en) | Energy-efficient triple effect evaporimeter | |
| CN209395003U (en) | A kind of cooling device for premixing mortar | |
| CN215352056U (en) | Novel still extraction device of rectifying tower for continuous rectification | |
| CN220888136U (en) | Vertical pulp slurry thickener | |
| CN213314716U (en) | Propolis purification is with mixing filter equipment | |
| CN221905837U (en) | Cooling reflux device of waste mineral oil distillation tower | |
| CN115493358B (en) | Condensing equipment is used in new material processing production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20211125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |