CN113521792A - Static crystallization purification device - Google Patents
Static crystallization purification device Download PDFInfo
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- CN113521792A CN113521792A CN202110801545.2A CN202110801545A CN113521792A CN 113521792 A CN113521792 A CN 113521792A CN 202110801545 A CN202110801545 A CN 202110801545A CN 113521792 A CN113521792 A CN 113521792A
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- crystallization
- heat exchange
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- discharge port
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/22—Crushing mills with screw-shaped crushing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a static crystallization purification device, which comprises a crystallization cylinder, wherein a plurality of supporting plates are arranged on the lower end surface of the crystallization cylinder, the lower end surfaces of the supporting plates are connected through a bottom plate, a crystallization chamber is formed in the crystallization cylinder, a heat exchange assembly is arranged on the outer side of the crystallization cylinder, a rotating shaft is transversely arranged in the crystallization cylinder, a plurality of groups of crushing assemblies which are arranged in parallel are arranged on the outer side of the rotating shaft along the length direction, the crushing assemblies are positioned on the same side surface of the outer side of the rotating shaft, the end part of the rotating shaft is connected with a driving assembly positioned on the outer side of the crystallization cylinder, a mixed material inlet, a solvent outlet and a crystal outlet are formed in the crystallization cylinder, and control valves are arranged at the solvent outlet and the crystal outlet. Its simple structure, degree of automation is high, has effectively saved manpower and material resources cost, and work efficiency is high, and crystallization and crushing function two unifications, equipment occupation space is little, effectively prolongs the life of equipment.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a static crystallization purification device.
Background
In the industries of spices and essences, medical intermediates, food additives and the like, static crystallization belongs to important purification operation, and can improve the luster and aroma of crystals. Therefore, the research of static crystallization has been concerned by scholars at home and abroad.
In recent years, the technology of static crystallization process is continuously developed and improved, and various new types of static crystallization devices are developed, especially the crystallization of chemical solid products generally adopts a mode of firstly dynamic crystallization and then static crystallization, so as to improve the purification amount of the products and reduce the total crystallization cost. The dynamic crystallization operation process is that the slow stirring is carried out in the whole crystallization process, and then the static crystallization operation is carried out after the raw materials are heated and melted; and stirring is not started in the static crystallization process, solid-liquid separation is carried out after the static crystallization is finished, and then the crystallized particles are crushed and stirred. Among them, static crystallization has larger crystallization particles and shorter solid-liquid separation step than dynamic crystallization, so static crystallization is relatively suitable for some pharmaceutical processes. However, static crystallization usually adopts the agitator to carry out the broken stirring of crystalline substance after the crystallization is accomplished, because the crystallization of crystalline substance, its stirring vane parcel in with the agitator leads to hardly opening the agitator, needs the manual work to smash the pine with stirring vane peripheral material, just can open the agitator and carry out the stirring processing, and artifical intensity is very big, wastes time and energy, and production efficiency is low, even though through above-mentioned operation processing, the impact force that stirring vane bore when opening still is very big, causes the damage of agitator easily.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a static crystallization purification device which is simple in structure, high in automation degree, capable of effectively saving the cost of manpower and material resources, high in working efficiency, small in occupied space and capable of effectively prolonging the service life of equipment, and the crystallization and crushing functions are integrated into a whole.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a static crystallization purification device, which comprises a crystallization cylinder, wherein the lower end face of the crystallization cylinder is provided with a plurality of supporting plates, the lower end faces of the supporting plates are connected through a bottom plate, a crystallization chamber is formed in the crystallization cylinder, a heat exchange assembly is arranged on the outer side of the crystallization cylinder, a rotating shaft is transversely arranged in the crystallization cylinder, a plurality of groups of crushing assemblies which are arranged in parallel are arranged on the outer side of the rotating shaft along the length direction, the crushing assemblies are positioned on the same side surface of the outer side of the rotating shaft, the end part of the rotating shaft is connected with a driving assembly positioned on the outer side of the crystallization cylinder, the crystallization cylinder is provided with a mixed material inlet, a solvent outlet and a crystal outlet, and control valves are arranged at the solvent outlet and the crystal outlet.
In a further improvement, the crushing assembly comprises an arc-shaped stirring rod, and the inner side of the arc-shaped stirring rod is fixedly arranged on the rotating shaft through a plurality of connecting rods. Specifically, the arc-shaped stirring rod is of a semicircular structure.
The further improvement is that the arc-shaped stirring rod is obliquely arranged with the rotating shaft, and the arc-shaped stirring rod forms a semi-spiral structure outside the rotating shaft (namely, the spiral body mechanism is cut off from the upper part or the lower part). During operation, under arc puddler, connecting rod, axis of rotation and drive assembly's mating reaction, on the one hand, form the broken structure of plough, conveniently carry out broken handle to the cubic crystal body that the crystallization was appeared, it is also less to broken subassembly's impact force, can prolong broken subassembly's life-span, on the other hand, can carry the crystal grain screw that obtains after the breakage to crystal body exit discharge, improve discharging efficiency.
The further improvement is that the crystal discharging port is positioned on the lower end face of the crystallization cylinder, the solvent discharging port is positioned on the lower portion of the side face of the crystallization cylinder, and the mixed material inlet is positioned on the upper end face of the crystallization cylinder. Mixing the mixed material with a solvent, adding the mixed material into a crystallization chamber from a mixed material inlet for static crystallization operation treatment, discharging the solvent in the crystallization chamber from a solvent discharge port after crystallization is finished, and discharging crushed crystals from a crystal discharge port.
In a further improvement, the control valve is an upward-expanding type discharge valve. After crystallization is finished, the crystal in the solvent outlet is ejected out through the upward-extending discharge valve, so that the solvent in the crystallization chamber can be smoothly discharged from the solvent outlet; in the process of discharging the crushed crystals from the crystal discharge port, the crystal discharge port is dredged through the upward-extending type discharge valve, so that the blockage of the crystal discharge port is avoided.
The further improvement lies in that the heat exchange assembly comprises a shell, the shell is arranged on the outer side of the crystallization cylinder, a sealed heat exchange cavity is formed between the inner side of the shell and the outer side of the crystallization cylinder, and a heat exchange medium inlet and a heat exchange medium outlet communicated with the heat exchange cavity are formed in the outer part of the shell. When the crystallization device works, a heat exchange medium (usually cooling water) enters the heat exchange cavity from the heat exchange medium inlet, the heat exchange is carried out with a mixed material in the crystallization cylinder through the side wall of the crystallization cylinder, a low-melting-point material in the mixed material is crystallized and separated out, a high-melting-point material is kept in a liquid state, and the heat-absorbing heat exchange medium is output to external equipment (such as a cooling tower or a refrigerant) through the heat exchange medium outlet to be processed and recycled.
The improved structure of the motor is characterized in that the driving assembly comprises a motor, a speed reducer and a transmission mechanism, the motor and the speed reducer are fixedly mounted on the upper end face of the bottom plate, the motor is in driving connection with the speed reducer, and the output end of the speed reducer is connected with the end part of the rotating shaft through the transmission mechanism. The transmission mechanism can be a belt transmission mechanism or a gear transmission mechanism, and preferably adopts a belt transmission mechanism, namely a structure that a driving wheel, a driven wheel and a transmission belt are matched. During operation, the speed reducer is driven to rotate through the motor, and then the speed reducer is driven to the rotating shaft through the transmission mechanism to drive the crushing assembly on the rotating shaft to rotate.
The further improvement is that the upper end surface of the crystallizing cylinder body is provided with a tail gas discharge port and an observation port. The partial noncondensable gas that the indoor misce bene of crystallization produced in the crystallization process is discharged to tail gas treatment center by tail gas discharge port and is carried out centralized processing, can observe the indoor crystallization condition of crystallization through the viewing aperture, and when overhauing, the viewing aperture can supply inside personnel's entering equipment as the access aperture.
Compared with the prior art, the invention has the following beneficial effects:
according to the static crystallization purification device, the rotating shaft is arranged in the crystallization chamber, the crushing component is arranged on the same side surface of the outer side of the rotating shaft, the crushing component is rotated to the upper part in the crystallization chamber during crystallization, enough space is reserved at the lower part of the crystallization chamber for static crystallization of mixed materials, and the crushing component is not easily wrapped by crystals formed by crystallization, so that the subsequent crushing work can be conveniently and normally carried out; this equipment structure is simple, and degree of automation is high, has effectively saved manpower and material resources cost, and work efficiency is high, and crystallization and crushing function two unifications, equipment occupation space is little, effectively prolongs the life of equipment.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic structural view of a static crystallization purification apparatus according to the present invention;
wherein, the specific reference numbers are: the device comprises a crystallization cylinder 1, a supporting plate 2, a bottom plate 3, a crystallization chamber 4, a rotating shaft 5, an arc-shaped stirring rod 6, a connecting rod 7, a motor 8, a speed reducer 9, a driving wheel 10, a driven wheel 11, a driving belt 12, a mixed material inlet 13, a solvent outlet 14, a crystal outlet 15, a control valve 16, a tail gas discharge port 17, an observation port 18, a standby port 19, a shell 20, a heat exchange cavity 21, a heat exchange medium inlet 22 and a heat exchange medium outlet 23.
Detailed Description
The embodiment of the invention discloses a static crystallization purification device, which comprises a crystallization cylinder body 1, wherein the crystallization cylinder body 1 is of a transversely-installed cylindrical structure, a plurality of support plates 2 are arranged on the lower end surface of the crystallization cylinder body 1, the lower end surfaces of the support plates 2 are connected through a bottom plate 3, a crystallization chamber 4 is formed inside the crystallization cylinder body 1, a heat exchange assembly is arranged outside the crystallization cylinder body 1, a rotating shaft 5 is transversely installed inside the crystallization cylinder body 1, a plurality of groups of crushing assemblies which are arranged in parallel are installed outside the rotating shaft 5 along the length direction, the crushing assemblies are positioned on the same side surface outside the rotating shaft 5, the end part of the rotating shaft 5 is connected with a driving assembly positioned outside the crystallization cylinder body 1, a mixed material inlet 13 is formed in the crystallization cylinder body 1, a solvent outlet 14 and a crystal outlet 15, and control valves 16 are arranged at the solvent outlet 14 and the crystal outlet 15. Through setting up axis of rotation 5 at crystallization chamber 4 to set up broken subassembly on same side in the 5 outsides of axis of rotation, when the crystallization, rotate broken subassembly to upper portion in crystallization chamber 4, reserve sufficient space in 4 lower parts of crystallization chamber and supply the static crystallization of misce bene material to use, broken subassembly is difficult to the crystalline solid parcel by the crystallization formation in addition, the normal clear of the follow-up broken work of being convenient for.
Wherein, broken subassembly includes arc puddler 6, and 6 inboards of arc puddler are through a plurality of connecting rods 7 fixed mounting on axis of rotation 5. Specifically, the arc-shaped stirring rod 6 has a semicircular structure.
Wherein, the arc-shaped stirring rod 6 is obliquely arranged with the rotating shaft 5, and the arc-shaped stirring rod 6 forms a semi-spiral structure (namely, equivalent to cutting the spiral body to the upper part or the lower part) outside the rotating shaft 5. During operation, under the combined action of arc puddler 6, connecting rod 7, axis of rotation 5 and drive assembly, on the one hand, form the broken structure of plough, conveniently carry out crushing treatment to the cubic crystal solid that the crystallization was appeared, and the impact force to broken subassembly is also less, can prolong broken subassembly's life-span, and on the other hand can discharge to crystal solid discharge port 15 department with the crystal solid granule screw conveyor who obtains after the breakage, improves discharge efficiency.
Wherein, the crystal outlet 15 is positioned at the lower end surface of the crystallization cylinder 1, the solvent outlet 14 is positioned at the lower part of the side surface of the crystallization cylinder 1, and the mixed material inlet 13 is positioned at the upper end surface of the crystallization cylinder 1. The mixed material and the solvent are mixed, then the mixed material and the solvent are added into the crystallization chamber 4 through the mixed material inlet 13 for static crystallization operation treatment, after the crystallization is finished, the solvent in the crystallization chamber 4 is discharged through the solvent outlet 14, and the crushed crystals are discharged through the crystal outlet 15.
Wherein the control valve 16 is an upward-expanding type discharge valve. After the crystallization is finished, the crystal in the solvent outlet 14 is ejected out through the upward-spreading type discharge valve, so that the solvent in the crystallization chamber 4 is smoothly discharged from the solvent outlet 14; in the process of discharging the crushed crystals from the crystal discharge port 15, the crystal discharge port 15 is dredged through the upward-spreading type discharge valve, so that the crystal discharge port 15 is prevented from being blocked.
The heat exchange assembly comprises a shell 20, the shell 20 is installed on the outer side of the crystallization cylinder 1, a sealed heat exchange cavity 21 is formed between the inner side of the shell 20 and the outer side of the crystallization cylinder 1, and a heat exchange medium inlet 22 and a heat exchange medium outlet 23 which are communicated with the heat exchange cavity 21 are formed in the outer portion of the shell 20. When the crystallizer is in operation, a heat exchange medium (usually cooling water) enters the heat exchange cavity 21 from the heat exchange medium inlet 22, and exchanges heat with the mixed material inside the crystallizer through the side wall of the crystallization cylinder 1, the low-melting-point material in the mixed material is crystallized and separated out, the high-melting-point material is kept in a liquid state, and the heat-absorbing heat exchange medium is output to external equipment (such as a water cooling tower or a refrigerant) through the heat exchange medium outlet 23 to be processed for recycling.
Wherein, drive assembly includes motor 8, speed reducer 9 and drive mechanism, and motor 8 and speed reducer 9 fixed mounting are in bottom plate 3 up end, and motor 8 is connected with the drive of speed reducer 9, and the output of speed reducer 9 is connected with 5 tip of axis of rotation through drive mechanism. The transmission mechanism can be a belt transmission mechanism or a gear transmission mechanism, and in this embodiment, a belt transmission mechanism is used, that is, a structure in which the driving wheel 10, the driven wheel 11 and the transmission belt 12 are matched. During operation, drive speed reducer 9 through motor 8 and rotate, pass through drive mechanism transmission to axis of rotation 5 again, drive the broken subassembly rotation on the axis of rotation 5, through above-mentioned structure, avoid appearing because broken subassembly blocks and arouse the condition that motor 8 burns out, increase the reliability of equipment operation.
Wherein, the upper end surface of the crystallization cylinder body 1 is provided with a tail gas discharge port 17, an observation port 18 and a standby port 19. The partial noncondensable gas that the misce bene material produced in the crystallization process in crystallization chamber 4 is discharged to the tail gas treatment center by tail gas discharge port 17 and is concentrated and handled, can observe the crystallization condition in crystallization chamber 4 through viewing aperture 18, and viewing aperture 18 can supply inside personnel's entering equipment as the viewing aperture when overhauing.
This static crystallization purification device simple structure, degree of automation is high, has effectively saved manpower and material resources cost, and work efficiency is high, crystallization and crushing function two unifications, and equipment occupation space is little, effectively prolongs the life of equipment.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (8)
1. The utility model provides a static crystallization purification device, its characterized in that, includes the crystallization barrel, the terminal surface is equipped with a plurality of backup pads under the crystallization barrel, and is a plurality of the terminal surface is connected through the bottom plate under the backup pad, the inside crystallization chamber that is formed with of crystallization barrel, the crystallization barrel outside is equipped with heat exchange assembly, the inside horizontal installation of crystallization barrel has the axis of rotation, install multiunit parallel arrangement's broken subassembly in the axis of rotation outside along length direction, broken subassembly is located on the same side in the axis of rotation outside, the axis of rotation tip with be located the drive assembly in the crystallization barrel outside is connected, mixed material import, solvent discharge port and crystalline solid discharge port have been seted up on the crystallization barrel, control flap is installed in solvent discharge port and crystalline solid discharge port.
2. The static crystallization purification apparatus of claim 1, wherein the crushing assembly includes an arc-shaped stirring rod, and the inner side of the arc-shaped stirring rod is fixedly mounted on the rotating shaft through a plurality of connecting rods.
3. The static crystallization purification apparatus of claim 2, wherein the arc-shaped stirring rod is disposed obliquely to the rotation axis, and the arc-shaped stirring rod forms a semi-spiral structure outside the rotation axis.
4. The static crystallization purification apparatus of claim 1, wherein the crystal discharge port is located at the lower end surface of the crystallization cylinder, the solvent discharge port is located at the lower part of the side surface of the crystallization cylinder, and the mixture inlet port is located at the upper end surface of the crystallization cylinder.
5. The static crystallization purification apparatus of claim 1 or 4, wherein the control valve is an expanding discharge valve.
6. The static crystallization purification device according to claim 1, wherein the heat exchange assembly comprises a housing, the housing is installed outside the crystallization cylinder, a sealed heat exchange cavity is formed between the inside of the housing and the outside of the crystallization cylinder, and a heat exchange medium inlet and a heat exchange medium outlet communicated with the heat exchange cavity are opened outside the housing.
7. The static crystallization purification device of claim 1, wherein the driving assembly comprises a motor, a speed reducer and a transmission mechanism, the motor and the speed reducer are fixedly mounted on the upper end surface of the bottom plate, the motor is in driving connection with the speed reducer, and the output end of the speed reducer is connected with the end of the rotating shaft through the transmission mechanism.
8. The static crystallization purification apparatus of claim 1, wherein the upper end surface of the crystallization cylinder is provided with a tail gas discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110801545.2A CN113521792A (en) | 2021-07-15 | 2021-07-15 | Static crystallization purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110801545.2A CN113521792A (en) | 2021-07-15 | 2021-07-15 | Static crystallization purification device |
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| Publication Number | Publication Date |
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| CN113521792A true CN113521792A (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110801545.2A Pending CN113521792A (en) | 2021-07-15 | 2021-07-15 | Static crystallization purification device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1365006A (en) * | 1972-03-23 | 1974-08-29 | Efimov L I | Device for crystallizing purification of liquod materials |
| JP2003145195A (en) * | 2001-11-12 | 2003-05-20 | Nippon Shoji:Kk | Apparatus for crush-recycling treatment |
| KR20050077211A (en) * | 2004-01-27 | 2005-08-01 | 엘지전자 주식회사 | Shattering method of crystalline inorganic particles |
| CN204779366U (en) * | 2015-06-29 | 2015-11-18 | 湖南昌迅科技环保股份有限公司 | Rotatory crystallization of alpha gesso |
| CN105771306A (en) * | 2016-05-13 | 2016-07-20 | 湖北东方化工有限公司 | Static melt crystallizer for purifying and separating material |
| CN109289232A (en) * | 2018-10-25 | 2019-02-01 | 多氟多化工股份有限公司 | A kind of Horizontal crystallizer |
| CN212236058U (en) * | 2020-05-15 | 2020-12-29 | 陕西科原环保节能科技有限公司 | Caprolactam crystallization device with material area is scraped in spiral stirring |
-
2021
- 2021-07-15 CN CN202110801545.2A patent/CN113521792A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1365006A (en) * | 1972-03-23 | 1974-08-29 | Efimov L I | Device for crystallizing purification of liquod materials |
| JP2003145195A (en) * | 2001-11-12 | 2003-05-20 | Nippon Shoji:Kk | Apparatus for crush-recycling treatment |
| KR20050077211A (en) * | 2004-01-27 | 2005-08-01 | 엘지전자 주식회사 | Shattering method of crystalline inorganic particles |
| CN204779366U (en) * | 2015-06-29 | 2015-11-18 | 湖南昌迅科技环保股份有限公司 | Rotatory crystallization of alpha gesso |
| CN105771306A (en) * | 2016-05-13 | 2016-07-20 | 湖北东方化工有限公司 | Static melt crystallizer for purifying and separating material |
| CN109289232A (en) * | 2018-10-25 | 2019-02-01 | 多氟多化工股份有限公司 | A kind of Horizontal crystallizer |
| CN212236058U (en) * | 2020-05-15 | 2020-12-29 | 陕西科原环保节能科技有限公司 | Caprolactam crystallization device with material area is scraped in spiral stirring |
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Application publication date: 20211022 |
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