Evaporation device for concentration and crystallization
By designing an evaporation device with spiral scrapers and spiral rods, the problems of residue cleaning and steam recovery after evaporation were solved, achieving high crystal purity and resource utilization.
Patent Information
- Application Number
- CN202423303071.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In most existing evaporation crystallization devices, the residue inside the evaporator is difficult to clean after evaporation, resulting in low steam recovery rate, water waste, and difficulty in improving crystal purity.
An evaporation device including an evaporation tank, an inner liner, a recovery tank, and scrapers was designed. The combination of spiral scrapers and spiral rods enables timely scraping and conveying of crystallized particles. Steam recovery and utilization are achieved through the installation of steam pipes and cooling coils. At the same time, a cleaning system is equipped to remove mother liquor and impurities.
It improves the steam recovery rate, simplifies the crystal cleaning process, and enhances crystal purity and resource utilization efficiency.
Smart Images
Figure CN223716375U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of concentration crystallization, and particularly relates to an evaporation device for concentration crystallization. BACKGROUND
[0002] Crystallization is a physical change process, which refers to the formation of solid crystal structure from liquid or gaseous state. This process can occur naturally or be controlled artificially, and it is a very important process in the fields of chemistry, materials science, pharmacy, etc., because it can be used to purify substances, prepare crystals of specific shape and size, and study the structure and properties of substances. "Concentration crystallization" is a chemical process that refers to the process of forming crystals by concentrating solutes in a solution to reach saturation state. This process is widely used in the production processes of chemical industry, pharmaceutical industry, food industry, etc., for purifying substances or preparing crystal products.
[0003] Most of the existing evaporation method crystallization devices are difficult to clean the residues inside the evaporation vessel after evaporation, and the evaporated steam is rarely recycled, wasting this type of water resources. After the evaporation crystallization is completed, the crystalline surface is left with some mother liquor, which is difficult to improve the purity.
[0004] Therefore, an evaporation device for concentration crystallization is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model provides an evaporation device for concentration crystallization, which solves the problem of residues inside the evaporation vessel after evaporation of most of the existing evaporation method crystallization devices in related technology, and the evaporated steam is rarely recycled, wasting this type of water resources. After the evaporation crystallization is completed, the crystalline surface is left with some mother liquor, which is difficult to improve the purity.
[0006] The technical scheme of the utility model is as follows: an evaporation device for concentration crystallization, comprising: an evaporation barrel, an inner container and a recovery barrel, the top end of the evaporation barrel is threadedly connected with a sealed cover, the inside of the sealed cover is provided with an observation window, the top end of the sealed cover is fixedly connected with a steam pipeline;
[0007] The upper surface of the sealed cover is fixedly connected with a motor, the output end of the motor is fixedly connected with a scraping strip, the bottom of the scraping strip is fixedly connected with a screw rod, and the scraping strip and the screw rod are tightly attached to the inner wall of the inner container;
[0008] The lower surface of the evaporation barrel is fixedly connected with a cleaning barrel, the outer surface of the cleaning barrel is fixedly connected with a cleaning liquid interface, and the other end of the cleaning liquid interface is fixedly connected with a cleaning pipeline.
[0009] Preferably, the inner wall of the evaporation barrel is fixedly connected with a heating pipe, the inner wall of the evaporation barrel is sleeved with a heat conduction sleeve, the heating pipe is located between the evaporation barrel and the heat conduction sleeve, and the inner wall of the heat conduction sleeve is sleeved with an inner container.
[0010] Preferably, the outer surface of the steam pipeline is wound with a cooling coil, the ends of the cooling coil are fixedly connected with a water pump, the inside of the recovery barrel is fixedly connected with a partition plate, the two ends of the cooling coil and the ends of the steam pipeline are located on the two sides of the partition plate respectively, and the steam pipeline is divided into two ends and fixedly connected through flanges.
[0011] Preferably, the upper surface of the sealing cover is fixedly connected with a feeding opening, the outer wall of the feeding opening is threadedly connected with a feeding cover, and the upper surface of the sealing cover is fixedly connected with an input opening.
[0012] Preferably, the bottom of the evaporation barrel is fixedly connected with a cleaning barrel, the bottom of the inner container is fixedly connected with a conveying pipeline, the conveying pipeline passes through the evaporation barrel and is fixedly connected to the upper surface of the cleaning barrel, the outer surface of the cleaning barrel is fixedly connected with a blower, the output end of the blower is located in the inside of the cleaning barrel, and the inside of the output end of the blower is fixedly connected with a heating wire.
[0013] Preferably, the bottom end of the cleaning barrel is designed as an inverted conical frustum, and the bottom end of the cleaning barrel is inserted with a filter block.
[0014] The working principle and beneficial effects of the present application are as follows:
[0015] The crystal particles remaining in the inner container can be scraped off in time through the spiral rising scraper, the crystal particles at the bottom can enter the conveying pipeline in time through the setting of the spiral rod, and the two have stirring function at the same time, the steam during evaporation and crystallization can be recycled through the setting of the steam pipeline, the cooling coil and the recovery barrel, the utilization rate of resources is improved, the crystal particles can be cleaned in time through the setting of the cleaning pipeline, the residual mother liquor and impurities are removed, and the purity of the crystal particles is higher. BRIEF DESCRIPTION OF DRAWINGS
[0016] The present application will be further described in detail below in combination with the drawings and specific embodiments.
[0017] Figure 1 The present application is a three-dimensional structure schematic diagram;
[0018] Figure 2 The present application is a cleaning barrel sectional view three-dimensional structure schematic diagram;
[0019] Figure 3 The present application is a scraper three-dimensional structure schematic diagram;
[0020] Figure 4 The top view structure schematic diagram is provided for the utility model;
[0021] Figure 5 The utility model provides a cross section solid structure schematic diagram of evaporating barrel.
[0022] In the drawing: 1, evaporating barrel;2, cleaning barrel;3, recycling barrel;4, airtight cover;5, drop port;6, drop cover;7, observation window;8, input port;9, motor;10, scraping strip;11, screw rod;12, heating pipe;13, heat conducting sleeve;14, inner bag;15, conveying pipeline;16, cleaning pipeline;17, heating wire;18, air blower;19, cleaning liquid interface;20, filter block;21, steam pipeline;22, cooling coil;23, water pump;24, partition. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the protection scope of the utility model.
[0024] EMBODIMENT
[0025] Please refer to Figure 1 A kind of evaporation device for concentrating crystallization, including: evaporating barrel 1, inner bag 14 and recycling barrel 3, the top of evaporating barrel 1 is screw thread connection with airtight cover 4, the inside of airtight cover 4 is provided with observation window 7, the top of airtight cover 4 is fixedly connected with steam pipeline 21;
[0026] The upper surface of airtight cover 4 is fixedly connected with motor 9, the output of motor 9 is fixedly connected with scraping strip 10, the bottom of scraping strip 10 is fixedly connected with screw rod 11, and scraping strip 10 and screw rod 11 are tightly attached to the inner wall of inner bag 14;
[0027] The lower surface of evaporating barrel 1 is fixedly connected with cleaning barrel 2, the outer surface of cleaning barrel 2 is fixedly connected with cleaning liquid interface 19, and the other end of cleaning liquid interface 19 is fixedly connected with cleaning pipeline 16.
[0028] The technical scheme provided by the embodiment is as follows: first, the mother liquor is input into the input port 8 of the device, then the water pump 23 of the cooling coil 22 is started to circulate the water in the cooling coil 22, then the motor 9 and the heating pipe 12 are started, the heating pipe 12 and the inner container 14 are provided with the heat conduction sleeve 13, so that the heat output by the heating pipe 12 is more uniform, and the inner container is prevented from being cracked due to uneven heating, and the heat conduction sleeve 13 with a length of 1 / 2 of the height of the inner container is used to prevent the inner container from being cracked when the amount of liquid in the inner container is small, the liquid in the inner container starts to evaporate after heating, the evaporated steam is output through the steam pipeline 21 and cooled by the cooling coil 22 to form liquid again for reuse, the inside of the device is observed through the observation window 7 to observe the formation of a small amount of crystalline, the clean crystal is put into the device through the opening of the pouring cover 6, the growth of the crystal is faster, when the crystal stops growing, the valve at the conveying pipeline 15 is opened to convey the object in the device to the cleaning barrel 2, and the operation of the heating pipe and the motor is stopped, then the corresponding cleaning liquid source is connected to the cleaning liquid port 19, the cleaning liquid can be selected from liquids such as ethanol, the cleaning pipeline 16 can be used to clean the crystal, and the residual mother liquor is discharged through the filter block 20 when the crystal is input, so that the crystal is left in the cleaning barrel 2, after cleaning, the air blower 18 and the heating wire 17 are started to blow warm air to dry the crystal, and then the crystal is taken out by taking out the filter block 20.
[0029] Further, the inner wall of the evaporation barrel 1 is fixedly connected with the heating pipe 12, the inner wall of the evaporation barrel 1 is sleeved with the heat conduction sleeve 13, and the heating pipe 12 is located between the evaporation barrel 1 and the heat conduction sleeve 13.
[0030] Specifically, through the arrangement of the heat conduction sleeve 13, the heating pipe 12 is prevented from directly contacting the inner container, and the direct contact type heating is prevented from causing the inner container 14 to burst.
[0031] Further, the outer surface of the steam pipeline 21 is wrapped with the cooling coil 22, the distal end of the cooling coil 22 is fixedly connected with the water pump 23, the inside of the recovery barrel 3 is fixedly connected with the partition plate 24, the two ends of the cooling coil 22 and the distal end of the steam pipeline 21 are located on the two sides of the partition plate 24, and the steam pipeline 21 is divided into two ends and fixedly connected through the flange plate.
[0032] Specifically, through the arrangement of the cooling coil 22 and the recovery barrel 3, the steam generated during the operation of the device is liquefied by cooling, so that the steam is reformed into liquid, and the liquid is reused.
[0033] Further, the upper surface of the sealing cover 4 is fixedly connected with the pouring port 5, the outer wall of the pouring port 5 is threadedly connected with the pouring cover 6, and the upper surface of the sealing cover 4 is fixedly connected with the input port 8.
[0034] Specifically, during the operation of the device, after evaporating for a period of time, the pure crystal is put into through the feeding port 5, so that the crystallization operation rate of the device is higher.
[0035] Further, the bottom of the evaporation barrel 1 is fixedly connected with the cleaning barrel 2, the bottom of the inner container 14 is fixedly connected with the conveying pipeline 15, the conveying pipeline 15 passes through the evaporation barrel 1 and is fixedly connected to the upper surface of the cleaning barrel 2, the outer surface of the cleaning barrel 2 is fixedly connected with the air blower 18, the output end of the air blower 18 is located in the interior of the cleaning barrel 2, and the interior of the output end of the air blower 18 is fixedly connected with the heating wire 17.
[0036] Specifically, the air blower 18 is arranged, so that the crystallized material is dried after cleaning, and the purity of the crystal can be further increased.
[0037] Further, the bottom end of the cleaning barrel 2 is designed as an inverted cone, and the filter block 20 is inserted into the inner wall of the bottom end of the cleaning barrel 2.
[0038] Specifically, the filter block 20 inserted into the inner wall of the bottom end of the cleaning barrel 2 and the inverted cone are arranged, so that the output efficiency is higher due to the internal inclination angle when the material is output.
[0039] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. An evaporation apparatus for concentrating crystallization, comprising: The utility model relates to an evaporating barrel (1), inner bag (14) and recovery barrel (3), its characterized in be that the top of the evaporating barrel (1) is screw thread connection has the airtight cover (4), the inside of airtight cover (4) is provided with the observation window (7), the top of airtight cover (4) is fixedly connected with steam pipeline (21), The upper surface of the airtight cover (4) is fixedly connected with a motor (9), the output end of the motor (9) is fixedly connected with a scraping strip (10), the bottom of the scraping strip (10) is fixedly connected with a screw rod (11), and the scraping strip (10) and the screw rod (11) are tightly attached to the inner wall of the inner bag (14). The lower surface of the evaporating barrel (1) is fixedly connected with a cleaning barrel (2), the outer surface of the cleaning barrel (2) is fixedly connected with a cleaning liquid interface (19), and the other end of the cleaning liquid interface (19) is fixedly connected with a cleaning pipeline (16).
2. An evaporation apparatus for concentration crystallization according to claim 1, characterized in that: The inner wall of the evaporating barrel (1) is fixedly connected with a heating pipe (12), the inner wall of the evaporating barrel (1) is sleeved with a heat conduction sleeve (13), the heating pipe (12) is located between the evaporating barrel (1) and the heat conduction sleeve (13), and the inner wall of the heat conduction sleeve (13) is sleeved with the inner bag (14).
3. An evaporation apparatus for concentration crystallization according to claim 1, characterized in that: The outer surface of the steam pipeline (21) is wrapped with a cooling coil (22), the end of the cooling coil (22) is fixedly connected with a water pump (23), the inside of the recovery barrel (3) is fixedly connected with a partition plate (24), and the two ends of the cooling coil (22) and the end of the steam pipeline (21) are located on the two sides of the partition plate (24), respectively.
4. An evaporative device for concentrating crystallization according to claim 1, characterized in that: The upper surface of the airtight cover (4) is fixedly connected with a feeding port (5), the outer wall of the feeding port (5) is screw thread connected with a feeding cover (6), and the upper surface of the airtight cover (4) is fixedly connected with an input port (8).
5. An evaporative device for concentrating crystallization as claimed in claim 1, wherein: The bottom of the evaporating barrel (1) is fixedly connected with the cleaning barrel (2), the bottom of the inner bag (14) is fixedly connected with a conveying pipeline (15), the conveying pipeline (15) passes through the evaporating barrel (1) and is fixedly connected to the upper surface of the cleaning barrel (2), the outer surface of the cleaning barrel (2) is fixedly connected with a blower (18), the output end of the blower (18) is located in the inside of the cleaning barrel (2), and the inside of the output end of the blower (18) is fixedly connected with a heating wire (17).
6. An evaporative device for concentrating crystallization according to claim 1, characterized in that: The bottom end of the cleaning barrel (2) is designed as an inverted frustum, and the inner wall of the bottom end of the cleaning barrel (2) is inserted with a filter block (20).