CN115990348A - Freezing concentration system - Google Patents
Freezing concentration system Download PDFInfo
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- CN115990348A CN115990348A CN202211593242.7A CN202211593242A CN115990348A CN 115990348 A CN115990348 A CN 115990348A CN 202211593242 A CN202211593242 A CN 202211593242A CN 115990348 A CN115990348 A CN 115990348A
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Abstract
The invention relates to a freeze concentration system, which comprises a pre-cooling stirring tank, a liquid supply pump and a freeze crystallization device, wherein a first cooling coil is arranged in the side part of the pre-cooling stirring tank, a rotary stirrer is arranged at the bottom of the pre-cooling stirring tank, the bottom of the pre-cooling stirring tank is communicated with a liquid inlet of the liquid supply pump through a liquid discharge pipeline with a stop valve, a plurality of conveying pipelines are connected in parallel with a liquid outlet of the liquid supply pump, the freeze crystallization device comprises a plurality of groups, each group of freeze crystallization device comprises a spray pipe, the spray pipe is communicated with the corresponding conveying pipeline, a spray head is arranged at the bottom of the spray pipe, a bottom plate is arranged below the spray pipe, an angle-adjustable crystallization plate is obliquely arranged on the bottom plate, a second cooling coil is arranged in the crystallization plate, a mesh baffle is arranged on the front plate at the lower end of the crystallization plate, a solution collecting groove is arranged below the front plate, both sides of the crystallization plate are fixedly connected with crystal slag collecting grooves, and a movable scraper is arranged between the front sides of the crystal slag collecting grooves. The invention can effectively pre-cool and cool before freezing and concentrating, and can clean ice crystals in time during freezing and concentrating, thereby ensuring the efficiency and quality of freezing and concentrating.
Description
Technical Field
The invention belongs to the technical field of concentration, and particularly relates to a freeze concentration system.
Background
The freezing concentration is realized by utilizing the solid-liquid phase equilibrium relation of the dilute solution and the ice below the freezing point under normal pressure, namely, water molecules in the solution are solidified into ice crystals, and the ice is removed by a mechanical means, so that the solvent water in the solution is reduced, the concentration of the solution is improved, and the solution is concentrated.
At present, most of common freezing and concentrating equipment is of a tank type structure, the equipment is used for freezing and concentrating materials by adding a cooling coal jacket outside a tank body with stirring, and the equipment has the following problems in actual use: 1. the method is characterized in that effective precooling is lacking before freeze concentration, and a solution with higher initial temperature is directly sent into freeze concentration equipment for freeze concentration, so that the refrigeration and cooling burden required to be born by the freeze concentration equipment is heavier, and the crystallization concentration efficiency is lower and the effect is poorer; 2. due to the adoption of jacket cooling, crystallization starts from the kettle wall, so that ice crystals are firstly bound on the kettle wall, a thick ice layer can be formed on the kettle wall, the cleaning is very inconvenient, the heat transfer efficiency is greatly influenced, the freezing concentration effect is poorer and worse, and the problem to be solved is solved.
Disclosure of Invention
Therefore, the present invention is directed to a freeze concentration system, which can effectively pre-cool the liquid before freeze concentration, and clean ice crystals in time during freeze concentration to solve the above problems.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the freezing concentration system comprises a precooling stirring tank, a liquid supply pump and a freezing crystallization device, wherein the top of the precooling stirring tank is open or is provided with a liquid inlet, a first cooling coil is arranged in a side part in a winding manner, a rotary stirrer is arranged at the bottom of the precooling stirring tank, both ends of the top and the bottom of the first cooling coil extend out of the side wall of the precooling stirring tank and are connected with a first refrigerating system, the bottom of the precooling stirring tank is communicated with the liquid inlet of the liquid supply pump through a liquid discharge pipeline with a stop valve, a plurality of conveying pipelines are connected in parallel on the liquid outlet of the liquid supply pump, a control valve and a flow regulating valve are arranged on each conveying pipeline, the freezing crystallization device is provided with a plurality of groups and corresponds to the conveying pipelines one by one, each group of freezing crystallization device comprises a spray pipe, the utility model discloses a crystallization device, including shower, crystallization board, cooling system, conveyer pipe, spray pipe, movable scraper blade, solution collecting tank, movable scraper blade, conveyer pipe tail end intercommunication that corresponds and its bottom have a plurality of shower nozzles along its length direction interval distribution, the shower below is equipped with the bottom plate, the angularly adjustable crystallization board is installed to the slope on the bottom plate, the shower nozzle is towards the preceding face of crystallization board, crystallization board cavity is equipped with the cavity, be equipped with second cooling coil in the cavity, the lateral wall of crystallization board is all stretched out at the bottom both ends of the top of second cooling coil and link to each other with second refrigerating system, be equipped with mesh baffle and the below of this lower one end on the preceding face of lower one end of crystallization board is equipped with solution collecting tank, equal fixedly connected with brilliant sediment collecting tank in crystallization board left and right sides is equipped with the removal scraper blade along left and right directions between the front side of two brilliant sediment collecting tanks, it can conflict on preceding face and mesh baffle of crystallization board.
Preferably, a first guide post is fixedly connected between the higher ends of the front sides of the two crystal residue collecting tanks, a screw rod is rotationally connected between the middle parts, a second guide post is fixedly connected between the lower ends, one end of the screw rod is in transmission connection with a first motor, the higher ends of the front sides of the movable scraping plates are provided with first guide plates, the middle parts are provided with movable plates, the lower ends of the movable scraping plates are provided with second guide plates, the first guide plates are slidably sleeved on the first guide posts, the movable plates are in threaded sleeve connection with the screw rod, and the second guide plates are slidably sleeved on the second guide posts.
Preferably, the back-and-forth direction has all been set firmly the extension board on the bottom plate of crystallization board left and right sides, the left and right sides of the lower one end of crystallization board all is articulated with the extension board front end of homonymy, has all seted up waist shape guide slot along the fore-and-aft direction on the rear end of two extension boards, has set firmly electric putter on the bottom plate between two extension board rear ends, electric putter's free end is towards front side and fixedly connected with removal post, the left and right sides of removal post all slides and establishes on the waist shape guide slot of homonymy extension board, just the left and right sides of removal post all runs through corresponding waist shape guide slot and articulates there is the bracing piece, the left and right sides of the higher one end of crystallization board all is articulated with the top of the bracing piece of homonymy.
Preferably, the rotary stirrer is in transmission connection with a second motor.
Preferably, a thermometer is arranged on the pre-cooling stirring tank, and a detection probe of the thermometer extends into the pre-cooling stirring tank.
Preferably, the crystallization plate is provided with a concentration probe.
Preferably, the freeze concentration system may be used in series in multiple stages.
The beneficial effects of the invention are as follows: the invention has reasonable design and simple structure, when in use, the solution can be sent into the precooling stirring tank, the first cooling coil is internally provided with the first refrigerant medium, the first refrigerant medium circulates in the first cooling coil and the first refrigerating system, and can provide cold for the solution in the precooling stirring tank, so that the temperature of the solution is reduced to be close to zero degree, and the effective stirring precooling treatment of the solution can be realized by matching with the rotating stirrer, and the temperature of the solution can be effectively reduced in advance before formal freezing concentration, thereby greatly reducing the refrigeration cooling burden during the subsequent freezing concentration, and being more beneficial to ensuring the whole efficiency and quality of the freezing concentration;
after the precooling is finished, freezing and concentrating treatment can be carried out, specifically: the plurality of conveying pipelines and the corresponding freezing crystallization devices can be divided into a first group and a second group, the control valve on the conveying pipeline of the first group is opened, the flow regulating valve on the corresponding conveying pipeline is regulated, then the stop valve is opened, the liquid supply pump is operated, and under the drive of the liquid supply pump, the precooled solution can be pumped and split into the corresponding conveying pipeline and further conveyed into the spray pipe in the corresponding cooling crystallization device. Then, the solution can be sprayed out towards the corresponding crystallization plate which is obliquely arranged through a plurality of spray heads on the corresponding spray pipes. Then, the solution can flow downwards on the inclined crystallization plate, in the process, a second refrigerant medium is arranged in the second cooling coil, the second refrigerant medium circulates in the second cooling coil and the second refrigerating system, the cooling capacity below zero can be provided for the crystallization plate, the temperature of the solution flowing through the surface of the crystallization plate is quickly reduced to below zero, partial liquid water forms crystals on the crystallization plate, freezing and concentrating operation is realized, and the rest concentrated solution can fall into the solution collecting tank through the mesh baffle plate. After a period of time, the control valve on the conveying pipeline of the first group is closed, and the control valve on the conveying pipeline of the second group is opened, so that the precooled solution can be switched and conveyed into the freezing crystallization device of the second group for continuous freezing concentration treatment. Meanwhile, a first motor corresponding to the freezing crystallization device of the first group is operated, and the corresponding moving scraping plate is driven by the first motor to reciprocate left and right, so that ice crystals attached to the corresponding crystallization plate can be scraped and cleaned into crystal residue collecting grooves on two sides. After a period of time, the control valves on the conveying pipelines of the second group are closed, the corresponding first motors of the second group are operated, ice crystal cleaning work is carried out, and meanwhile, the control valves on the conveying pipelines of the first group are opened again, so that the freeze concentration work is continued. The freezing concentration and ice crystal cleaning operations of the two large groups are alternately circulated until the precooling solution in the precooling stirring tank is frozen and concentrated, namely the freezing concentration operation is completed, through the freezing concentration and ice crystal cleaning modes, the freezing concentration operation can be continuously and efficiently carried out, the treatment capacity is increased, the freezing concentration efficiency is ensured, the generated ice crystals can be timely and conveniently cleaned, the heat transfer efficiency and the crystallization effect can be effectively prevented from being influenced due to the accumulation of the ice crystals on the crystallization plate, and the freezing concentration quality can be effectively improved. In addition, the adjustable setting of crystallization board inclination can be convenient for adjust the flow rate of solution on the crystallization board according to actual conditions, changes the residence time of solution on the crystallization board to can adjust the concentration degree of solution according to actual demand.
Drawings
FIG. 1 is a schematic diagram of the front view of the present invention;
fig. 2 is a schematic diagram of a front view of a precooling and stirring tank according to the present invention;
FIG. 3 is a schematic diagram showing a front view of the freeze-crystallization apparatus according to the present invention;
FIG. 4 is a schematic left-hand view of the freeze-crystallization apparatus of the present invention;
FIG. 5 is a schematic view showing a cross-sectional structure of a crystallization plate according to the present invention
Fig. 6 is a schematic view of the structure of the moving screed of the present invention.
Reference numerals in the drawings: 1 is a precooling stirring tank, 2 is a liquid supply pump, 3 is a first cooling coil, 4 is a rotary stirrer, 5 is a stop valve, 6 is a liquid discharge pipeline, 7 is a conveying pipeline, 8 is a control valve, 9 is a flow regulating valve, 10 is a spray pipe, 11 is a spray head, 12 is a bottom plate, 13 is a crystallization plate, 14 is a cavity, 15 is a second cooling coil, 16 is a mesh baffle, 17 is a solution collecting tank, 18 is a crystal slag collecting tank, 19 is a movable scraper, 20 is a first guide column, 21 is a screw rod, 22 is a second guide column, 23 is a first motor, 24 is a first guide plate, 25 is a movable plate, 26 is a second guide plate, 27 is a support plate, 28 is a kidney-shaped guide groove, 29 is an electric push rod, 30 is a movable column, 31 is a support rod, 32 is a second motor, 33 is a thermometer, 34 is a concentration probe, 35 is a first refrigerating system, and 36 is a second refrigerating system.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1 to 6, a freeze concentration system includes a pre-cooling agitation tank 1, a liquid supply pump 2, and a freeze crystallization apparatus. The top of the precooling stirring tank 1 is open or provided with a liquid inlet, a first cooling coil 3 is arranged in the side part in a winding way, a rotary stirrer 4 is arranged at the bottom, both ends of the top and the bottom of the first cooling coil 3 extend out of the side wall of the precooling stirring tank 1 and are connected with a first refrigerating system 35, and the bottom of the precooling stirring tank 1 is communicated with the liquid inlet of the liquid supply pump 2 through a liquid discharge pipeline 6 with a stop valve 5. The liquid outlet of the liquid supply pump 2 is connected with a plurality of conveying pipelines 7 in parallel, and each conveying pipeline 7 is provided with a control valve 8 and a flow regulating valve 9. The freezing crystallization devices are provided with a plurality of groups and are in one-to-one correspondence with the conveying pipelines 7, each group of freezing crystallization devices comprises a spray pipe 10, the spray pipes 10 are communicated with the tail ends of the corresponding conveying pipelines 7, and a plurality of spray heads 11 are distributed at intervals along the length direction of the bottoms of the spray pipes. A bottom plate 12 is arranged below the spray pipe 10, a crystallization plate 13 with an adjustable angle is obliquely arranged on the bottom plate 12, and the spray head 11 faces the front plate surface of the crystallization plate 13. The crystallization plate 13 is hollow and provided with a cavity 14, a second cooling coil 15 is arranged in the cavity 14, and both ends of the top and the bottom of the second cooling coil 15 extend out of the side wall of the crystallization plate 13 and are connected with a second refrigerating system 36. The front plate surface of the lower end of the crystallization plate 13 is provided with a mesh baffle 16 and the lower side of the lower end is provided with a solution collecting tank 17. The left side and the right side of the crystallization plate 13 are fixedly connected with crystal slag collecting tanks 18, a movable scraping plate 19 is arranged between the front sides of the two crystal slag collecting tanks 18 along the left-right direction, and the movable scraping plate 19 can be abutted against the front plate surface of the crystallization plate 13 and the mesh baffle 16;
when the cooling device is used, a solution can be sent into the precooling stirring tank 1, a first refrigerant medium is arranged in the first cooling coil pipe 3, the first refrigerant medium circulates in the first cooling coil pipe 3 and the first refrigerating system 35 in a circulating way, the cooling capacity can be provided for the solution in the precooling stirring tank 1, the temperature of the solution is reduced to be close to zero degree, the effective stirring precooling treatment of the solution can be realized by matching with the rotating stirrer 4, the temperature of the solution can be effectively reduced in a first step before formal freezing concentration, and therefore, the refrigeration cooling burden in the subsequent freezing concentration can be greatly reduced, and the whole efficiency and quality of freezing concentration can be ensured more favorably;
after the precooling is finished, freezing and concentrating treatment can be carried out, specifically: the plurality of conveying pipelines 7 and the corresponding freezing crystallization devices thereof can be divided into a first group and a second group, wherein the control valve 8 on the conveying pipeline 7 of the first group is firstly opened, the flow regulating valve 9 on the corresponding conveying pipeline 7 is regulated, then the stop valve 5 is opened and the liquid supply pump 2 is operated, and the precooled solution can be pumped and split into the corresponding conveying pipeline 7 under the driving of the liquid supply pump 2 and further conveyed into the spray pipe 10 in the corresponding cooling crystallization device. The solution can then be sprayed via a plurality of spray heads 11 on the respective spray pipes 10 toward the respective crystallization plates 13 which are disposed obliquely. Then, the solution can flow downwards on the inclined crystallization plate 13, in the process, a second refrigerant medium is arranged in the second cooling coil 15, the second refrigerant medium circulates in the second cooling coil 15 and the second refrigerating system 36, so that the cooling capacity below zero degree can be provided for the crystallization plate 13, the temperature of the solution flowing through the surface of the crystallization plate 13 is quickly reduced to below zero degree, part of liquid water forms crystals on the crystallization plate 13, the freezing concentration operation is realized, and the rest concentrated solution can fall into the solution collecting tank 17 through the mesh baffle 16. After a period of time, the control valve 8 on the conveying pipeline 7 of the first group is closed, and the control valve 8 on the conveying pipeline 7 of the second group is opened, so that the precooled solution can be switched and conveyed into the freezing crystallization device of the second group for continuous freezing concentration treatment. Meanwhile, the first motor 23 corresponding to the first group of freezing crystallization devices is operated, and the corresponding moving scraping plate 19 is driven by the first motor 23 to reciprocate left and right, so that ice crystals attached to the corresponding crystallization plate 13 can be scraped and cleaned into the crystal residue collecting grooves 18 on two sides. After a period of time, the control valve 8 on the second group of delivery pipes 7 is closed and the corresponding first motor 23 of the group is operated to perform ice crystal removal, and at the same time, the control valve 8 on the first group of delivery pipes 7 is opened again to continue the freeze concentration operation. By the circulation, two groups of freezing concentration and ice crystal removal operations are alternately and circularly performed until the precooling solution in the precooling stirring tank 1 is frozen and concentrated, namely the freezing concentration operation is completed, through the freezing concentration and ice crystal removal modes, the freezing concentration operation can be continuously and efficiently performed, the treatment capacity is increased, the freezing concentration efficiency is ensured, and the generated ice crystals can be timely and conveniently removed, so that the heat transfer efficiency and crystallization effect can be effectively prevented from being influenced due to the accumulation of the ice crystals on the crystallization plate 13, and the freezing concentration quality can be effectively improved;
in actual use, the control valve 8 can be a valve which is convenient to control, such as an electromagnetic valve or a pneumatic ball valve. The first refrigerant medium and the second refrigerant medium can adopt a mode of lower inlet and upper outlet, namely, the corresponding refrigerant medium enters from the bottom end port of the corresponding cooling coil pipe and flows out from the top end port of the corresponding cooling coil pipe. A hose may be used when the second cooling coil 15 is connected to the second refrigeration system so as not to affect the flexible adjustment of the inclination angle of the crystallization plate 13. The first refrigeration system 35 and the second refrigeration system 36 are all well known in the art, and the specific structure and operation principle are not described in detail herein. In addition, the adjustable setting of the inclination angle of the crystallization plate 13 can be convenient for adjusting the flow rate of the solution on the crystallization plate 13 according to actual conditions and change the residence time of the solution on the crystallization plate 13, thereby adjusting the concentration degree of the solution according to actual requirements.
In this embodiment, a first guide post 20 is fixedly connected between the upper ends of the front sides of the two crystal residue collecting tanks 18, a screw rod 21 is rotatably connected between the middle parts, a second guide post 22 is fixedly connected between the lower ends, and one end of the screw rod 21 is in transmission connection with a first motor 23. The higher one end of removal scraper 19 front side is equipped with first deflector 24, be equipped with movable plate 25 on the middle part, lower one end is equipped with second deflector 26, first deflector 24 slip cap is established on first guide post 20, movable plate 25 screw thread cup joints on lead screw 21, second deflector 26 slip cap is established on second guide post 22, make when in actual use, can provide power by first motor 23, drive lead screw 21 forward and backward rotation, because movable plate 25 cup joints with the screw thread of lead screw 21, the positive and negative rotation motion of lead screw 21 can be converted into the left and right movement of movable plate 25, simultaneously under the direction and the limiting action of first guide post 20 and second guide post 21, can drive the reciprocating motion of movable scraper 19 along left and right directions between two crystal residue collecting grooves 18, thereby the cooperation realizes effectively striking off clearance and collection to the ice crystal on the crystallization board 13. The first motor 23 may be a conventional motor capable of rotating forward and backward.
In this embodiment, the bottom plates 12 on the left and right sides of the crystallization plate 13 are respectively and fixedly provided with the support plates 27 along the front and rear directions, the left and right sides of the lower end of the crystallization plate 13 are respectively hinged with the front ends of the support plates 27 on the same side, the rear ends of the two support plates 27 are respectively provided with the kidney-shaped guide grooves 28 along the front and rear directions, the bottom plates 12 between the rear ends of the two support plates 27 are fixedly provided with the electric push rods 29, the free ends of the electric push rods 29 face the front sides and are fixedly connected with the movable columns 30, the left and right ends of the movable columns 30 are respectively and slidingly arranged on the kidney-shaped guide grooves 28 of the support plates 27 on the same side, the left and right ends of the movable columns 30 are respectively hinged with the corresponding kidney-shaped guide grooves 28 and the top ends of the support rods 31 on the same side, so that during practical use, the movable columns 30 can be driven to move forwards and backwards along the kidney-shaped guide grooves 28 through the expansion and contraction of the free ends of the electric push rods 29, the hinge joints of the upper ends of the crystallization plate 13 and the lower ends of the support rods 31 and the movable columns 31 are matched with the hinge joints of the movable columns 31 of the support rods 31 on the same side, and the movable columns 31, and the flexible adjustment of the inclination of the crystallization columns 13 can be realized.
In this embodiment, the rotary stirrer 4 is in transmission connection with the second motor 32, so that the rotary stirrer 4 can be driven to rotate by using the second motor 32, and the solution is effectively stirred when the solution is pre-cooled, so that the pre-cooling efficiency and quality are improved.
In this embodiment, the pre-cooling stirring tank 1 is provided with a thermometer 33, and a detection probe of the thermometer 33 extends into the pre-cooling stirring tank 1 to detect the solution temperature during pre-cooling in real time, so as to ensure pre-cooling quality.
In this embodiment, the crystallization plate 13 is provided with a concentration probe 34 for detecting the initial concentration of the solution during freeze concentration, so as to adjust the temperature of the corresponding refrigerant medium and the inclination angle of the crystallization plate 13 according to the concentration degree of the solution actually required.
In this embodiment, the freeze concentration systems may be used in series in multiple stages (not shown in the figure), that is, in practical application, if the final concentration degree of the solution is higher and the single-set freeze concentration system cannot be operated at one time, multiple sets of freeze concentration systems may be prepared, and the solution collecting tank 17 of one set of freeze concentration systems is connected with the liquid inlet of the precooling stirring tank 1 of the next set of freeze concentration system through the existing conventional conveying pump, so that multiple sets of freeze concentration systems may be used in series, and then the inclination angles of the crystallization plates of each set of crystallization plates and the temperature of the second refrigerant medium are adjusted, so that the inclination angles and the freezing temperatures of the crystallization plates of the multiple sets of freeze concentration systems connected in series form gradient changes, and after one freeze concentration treatment, the residual solution is sent to the next set of freeze concentration system again for further freeze concentration until the required freeze concentration degree is reached.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The freezing concentration system is characterized by comprising a pre-cooling stirring tank, a liquid supply pump and a freezing crystallization device, wherein the top of the pre-cooling stirring tank is open or is provided with a liquid inlet, a first cooling coil is wound in the side part of the pre-cooling stirring tank, a rotary stirrer is arranged at the bottom of the pre-cooling stirring tank, both ends of the top and the bottom of the first cooling coil extend out of the side wall of the pre-cooling stirring tank and are connected with a first refrigerating system, the bottom of the pre-cooling stirring tank is communicated with the liquid inlet of the liquid supply pump through a liquid discharge pipeline with a stop valve, a plurality of conveying pipelines are connected in parallel on the liquid outlet of the liquid supply pump, each conveying pipeline is provided with a control valve and a flow regulating valve, the freezing crystallization device is provided with a plurality of groups and corresponds to the conveying pipelines one by one, each group of freezing crystallization device comprises a spray pipe, the utility model discloses a crystallization device, including shower, crystallization board, cooling system, conveyer pipe, spray pipe, movable scraper blade, solution collecting tank, movable scraper blade, conveyer pipe tail end intercommunication that corresponds and its bottom have a plurality of shower nozzles along its length direction interval distribution, the shower below is equipped with the bottom plate, the angularly adjustable crystallization board is installed to the slope on the bottom plate, the shower nozzle is towards the preceding face of crystallization board, crystallization board cavity is equipped with the cavity, be equipped with second cooling coil in the cavity, the lateral wall of crystallization board is all stretched out at the bottom both ends of the top of second cooling coil and link to each other with second refrigerating system, be equipped with mesh baffle and the below of this lower one end on the preceding face of lower one end of crystallization board is equipped with solution collecting tank, equal fixedly connected with brilliant sediment collecting tank in crystallization board left and right sides is equipped with the removal scraper blade along left and right directions between the front side of two brilliant sediment collecting tanks, it can conflict on preceding face and mesh baffle of crystallization board.
2. The freeze concentration system of claim 1, wherein a first guide post is fixedly connected between the higher ends of the front sides of the two crystal residue collecting tanks, a screw rod is rotatably connected between the middle parts, a second guide post is fixedly connected between the lower ends, one end of the screw rod is in transmission connection with a first motor, the higher end of the front side of the movable scraping plate is provided with a first guide plate, the middle part is provided with a movable plate, the lower end of the front side of the movable scraping plate is provided with a second guide plate, the first guide plate is slidably sleeved on the first guide post, the movable plate is in threaded sleeve connection with the screw rod, and the second guide plate is slidably sleeved on the second guide post.
3. The freeze concentration system of claim 1, wherein the bottom plates on the left side and the right side of the crystallization plate are respectively provided with a support plate along the front-rear direction, the left side and the right side of the lower end of the crystallization plate are respectively hinged with the front ends of the support plates on the same side, the rear ends of the two support plates are respectively provided with a kidney-shaped guide groove along the front-rear direction, the bottom plates between the rear ends of the two support plates are respectively provided with an electric push rod, the free ends of the electric push rods face the front side and are fixedly connected with a movable column, the left end and the right end of the movable column are respectively arranged on the kidney-shaped guide grooves of the support plates on the same side in a sliding manner, the left end and the right end of the movable column are respectively penetrated through the corresponding kidney-shaped guide grooves and are hinged with a support rod, and the left side and the right side of the higher end of the crystallization plate are respectively hinged with the top ends of the support rods on the same side.
4. The freeze concentration system of claim 1 wherein the rotary agitator is drivingly connected to a second motor.
5. The freeze concentration system of claim 1 wherein a thermometer is provided on the pre-chill tank and a probe for detecting the thermometer extends into the pre-chill tank.
6. The freeze concentration system of claim 1 wherein the crystallization plate is provided with a concentration probe.
7. The freeze concentration system of any one of claims 1 to 6 wherein the freeze concentration system is operable in multiple stages in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211593242.7A CN115990348A (en) | 2022-12-13 | 2022-12-13 | Freezing concentration system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211593242.7A CN115990348A (en) | 2022-12-13 | 2022-12-13 | Freezing concentration system |
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| CN115990348A true CN115990348A (en) | 2023-04-21 |
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| CN202211593242.7A Pending CN115990348A (en) | 2022-12-13 | 2022-12-13 | Freezing concentration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116440533A (en) * | 2023-06-19 | 2023-07-18 | 东莞市瑞辉新材料技术有限公司 | Bisphenol fluorene recrystallization separation device with circulation temperature control function |
-
2022
- 2022-12-13 CN CN202211593242.7A patent/CN115990348A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116440533A (en) * | 2023-06-19 | 2023-07-18 | 东莞市瑞辉新材料技术有限公司 | Bisphenol fluorene recrystallization separation device with circulation temperature control function |
| CN116440533B (en) * | 2023-06-19 | 2023-08-29 | 东莞市瑞辉新材料技术有限公司 | Bisphenol fluorene recrystallization separation device with circulation temperature control function |
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