Rotary distillation device

Abstract

The utility model belongs to the technical field of distillation devices, and discloses a rotary distillation device which comprises a base, a water bath box and a first stand column are fixedly mounted on one side of the upper surface of the base, an electric sliding block is slidably connected to the outer wall of the first stand column, and a box cover is fixedly mounted at the lower end of the electric sliding block; the second stand column is fixedly installed on the other side of the upper surface of the base, the front side of the second stand column is rotationally connected with a rotating main machine, a connecting pipe and an evaporating tank are fixedly installed on the left side and the right side of the rotating main machine respectively, and the evaporating tank is arranged in the water bath box. In the distillation process, the electric sliding block drives the box cover to move downwards along the first stand column, so that the box cover is fixed to the top of the water bath box, the water bath box and one side of the box cover are each provided with an exposed groove, the distillation retort is exposed out of the exposed grooves, on one hand, the heat utilization rate is increased, and on the other hand, the box cover can be driven by the electric sliding block to move away from the top of the water bath box. And therefore, the equipment can be conveniently overhauled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rotary distillation device technical field, concretely is a kind of rotary distillation device. BACKGROUND

[0002] Rotary evaporation is a highly efficient laboratory technique used to remove solvents from solutions, particularly useful when dealing with heat-sensitive substances. This technique works by rotating the evaporation flask to increase the surface area of the solvent, while using reduced pressure (vacuum) and heating to speed up the evaporation process. Rotary evaporators are highly efficient and flexible laboratory equipment suitable for a variety of applications, especially when dealing with heat-sensitive and high-boiling solvents.

[0003] As the publication number CN218774321U is a kind of rotary evaporation device for m-aminophenol production, including water bath assembly, rotating host, evaporation tank, feeding pipe, exhaust pipe and collection tank, the water bath assembly includes water bath, and the upper end of the water bath is provided with detachable heat preservation cover. First, the material to be rotary evaporated is introduced into the evaporation tank through the feeding pipe, and after introduction, the electric control valve of the feeding pipe and the exhaust pipe is closed, at this time, the inside is pumped into vacuum by vacuum pump, then the water bath is heated to the desired temperature, and the evaporation tank is driven to rotate by the rotating host, the condensed liquid after evaporation is dropped into the collection tank for collection, after rotary evaporation, the electric control valve on the exhaust pipe is opened first to balance the internal air pressure, then the electric control valve on the collection tank and the liquid discharge pipe is opened to discharge the rotary evaporated liquid, after discharge, the liquid can be added for rotary evaporation operation, the time consumed is less, and the continuous preparation of m-aminophenol can be met.

[0004] The rotary evaporation device uses a water bath pot combined with a heat preservation cover to improve heat utilization rate, but the evaporation tank is clamped on one side of the heat preservation cover and the other end is clamped on one side of the water bath pot, so that the water bath pot and the heat preservation cover cannot be disassembled, and if the water bath pot or the evaporation tank is damaged, it cannot be replaced, and the water bath pot cannot be repaired in time, in order to solve the above problems, a rotary distillation device is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at: in order to solve above -mentioned problem, provide a kind of rotary distillation device, including:

[0006] The upper surface of the base is fixedly installed with a water bath box and a first stand on one side, the outer wall of the first stand is slidably connected with an electric sliding block, the lower end of the electric sliding block is fixedly installed with a box cover, and the water bath box and the box cover are both provided with an exposed slot on one side.

[0007] A second stand is fixedly installed on the other side of the upper surface of the base, a rotating main machine is rotatably connected to the front side of the second stand, a connecting pipe and an evaporation tank are fixedly installed on the left and right sides of the rotating main machine respectively, and the evaporation tank is arranged in the water bath box.

[0008] Through the above technical scheme, when distillation is needed, the evaporation tank is fixedly installed on one side of the rotating main machine, clean water is poured into the water bath box, the water bath box heats the clean water in the water bath box, the clean water is heated and then heat is conducted to the evaporation tank, at this time, the rotating main machine drives the evaporation tank to rotate, so that the distillate in the evaporation tank is uniformly heated, and in the process of distillation, the electric sliding block drives the box cover to move downward along the first stand, so that the box cover is fixed on the top of the water bath box, and because the water bath box and the side of the box cover are both provided with an exposure groove, the distillation tank is exposed from the inside of the exposure groove, which improves the heat utilization rate and facilitates the maintenance of the equipment by moving the box cover away from the top of the water bath box.

[0009] In a preferred embodiment, a condenser is fixedly installed on the upper end of the connecting pipe, and a collection tank is fixedly installed on the lower end of the connecting pipe.

[0010] Through the above technical scheme, the steam generated by distillation enters the inside of the condenser, and the distillate condensed by the condenser falls into the inside of the collection tank.

[0011] In a preferred embodiment, sealing rings are fixedly installed on the inner walls of the left and right sides of the rotating main machine, and a vacuum extraction port is fixedly installed in the middle of the rotating main machine.

[0012] Through the above technical scheme, the sealing rings improve the sealing between the rotating main machine and the connecting pipe and the distillation tank, and the vacuum extraction port is used to extract vacuum in the inside of the distillation tank.

[0013] In a preferred embodiment, a liquid adding port is fixedly installed on the inner wall of the box cover.

[0014] Through the above technical scheme, when the water level in the water bath box needs to be adjusted during distillation, water can be added to the inside of the water bath box through the liquid adding port.

[0015] In a preferred embodiment, a liquid discharging port is arranged on one side of the water bath box.

[0016] Through the above technical scheme, after the water bath is completed, waste liquid can be discharged through the liquid discharging port.

[0017] In a preferred embodiment, a feeding pipe is fixedly installed on the side of the connecting pipe away from the rotating main machine.

[0018] In a preferred embodiment, a discharging port is arranged at the bottom of the collection tank.

[0019] Through the technical scheme, the distillation liquid in the collecting tank is discharged through the discharge port.

[0020] In conclusion, the beneficial effects of the present application are as follows: the present application provides a rotary distillation device.

[0021] When distillation is needed, the evaporation tank is fixedly installed on one side of the rotary main machine, clean water is poured into the water bath box, the water bath box heats the clean water, the clean water is heated and then conducts heat to the evaporation tank, at this time, the rotary main machine works to drive the evaporation tank to rotate, so that the distillation liquid in the evaporation tank is uniformly heated, and in the process of distillation, the electric sliding block drives the box cover to move downward along the first vertical column, so that the box cover is fixed on the top of the water bath box, because the water bath box and the box cover are both provided with an exposure groove on one side, the distillation tank is exposed from the inside of the exposure groove, on the one hand, the heat utilization rate is improved, and on the other hand, the box cover can be moved away from the top of the water bath box by the electric sliding block, so that the equipment is convenient to maintain. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a structural schematic view of the present application;

[0023] Fig. 2 It is a structural schematic view of the water bath box and the box cover in the present application;

[0024] Fig. 3 It is a sectional view of the rotary main machine in the present application.

[0025] Marked in the figure: 1-base; 2-water bath box; 3-first vertical column; 4-electric sliding block; 5-box cover; 6-second vertical column; 7-rotary main machine; 8-evaporation tank; 9-connection pipe; 10-condenser; 11-collecting tank; 12-exposure groove; 13-feeding pipe; 14-discharge port; 15-liquid feeding port; 16-liquid discharge port; 17-sealing ring; 18-vacuumizing port.

[0026] It should be noted that the rotary main machine in the present application is the same as the rotary main machine proposed in CN218774321U. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] The technical scheme in the embodiments of the present application will be described clearly and completely below in combination with Figs. 1-3The utility model discloses a rotary distillation device is provided.

[0029] Embodiment:

[0030] A rotary distillation device comprises:

[0031] The base 1 is fixedly installed with a water bath box 2 and a first stand 3 on the upper surface of one side, the outer wall of the first stand 3 is slidably connected with an electric sliding block 4, the lower end of the electric sliding block 4 is fixedly installed with a box cover 5, and the water bath box 2 and the box cover 5 are both provided with an exposure groove 12 on one side. In the process of distillation, the electric sliding block 4 drives the box cover 5 to move downwards along the first stand 3, so that the box cover 5 is fixed on the top of the water bath box 2. Since the water bath box 2 and the box cover 5 are both provided with the exposure groove 12 on one side, the distillation tank 8 is exposed from the inside of the exposure groove 12, which improves the heat utilization rate and facilitates the maintenance of the equipment by driving the box cover 5 to move away from the top of the water bath box 2 through the electric sliding block 4.

[0032] The inner wall of the box cover 5 is fixedly installed with a liquid adding port 15. In the process of distillation, the water level in the water bath box 2 can be adjusted by adding water in the water bath box 2 through the liquid adding port 15. The water bath box 2 is provided with a liquid discharge port 16 on one side. After the water bath is completed, the waste liquid is discharged through the liquid discharge port 16.

[0033] The second stand 6 is fixedly installed on the upper surface of the other side of the base 1. The second stand 6 is rotatably connected with a rotary host 7 on the front side. The rotary host 7 is fixedly installed with a sealing ring 17 on the inner wall of the left and right sides. The rotary host 7 is fixedly installed with a vacuumizing port 18 in the middle. The sealing ring 17 improves the sealing performance between the rotary host 7 and the connecting pipe 9 and the distillation tank 8. The vacuumizing port 18 is used to vacuumize the inside of the distillation tank 8. The rotary host 7 is fixedly installed with a connecting pipe 9 and an evaporation tank 8 on the left and right sides respectively. The connecting pipe 9 is fixedly installed with a feeding pipe 13 on the side away from the rotary host 7. The evaporation tank 8 is arranged in the water bath box 2. The connecting pipe 9 is fixedly installed with a condenser 10 on the upper end. The connecting pipe 9 is fixedly installed with a collecting tank 11 on the lower end. The steam generated in the distillation process enters the inside of the condenser 10. The distilled liquid after being condensed by the condenser 10 falls into the inside of the collecting tank 11. The collecting tank 11 is provided with a discharge port 14 at the bottom. The distilled liquid in the collecting tank 11 is discharged through the discharge port 14. When distillation is needed, the evaporation tank 8 is fixedly installed on one side of the rotary host 7. The clean water is poured into the inside of the water bath box 2. The water bath box 2 heats the clean water in the inside. The heat is conducted to the evaporation tank 8. At this time, the rotary host 7 works to drive the evaporation tank 8 to rotate, so that the distilled material in the evaporation tank 8 is evenly heated.

[0034] Working principle:

[0035] When distillation is needed, the evaporation tank 8 is fixedly installed on one side of the rotary main machine 7, clean water is poured into the water bath box 2, the water bath box 2 heats the clean water inside, the clean water is heated and then conducts heat to the evaporation tank 8, at this time the rotary main machine 7 drives the evaporation tank 8 to rotate, so that the distillate in the evaporation tank 8 is uniformly heated, in the process of distillation, the electric sliding block 4 drives the box cover 5 to move downwards along the first vertical column 3, so that the box cover 5 is fixed on the top of the water bath box 2, because the water bath box 2 and the box cover 5 are provided with the exposure groove 12 on one side, the evaporation tank 8 is exposed from the inside of the exposure groove 12, on the one hand, the heat utilization rate is improved, on the other hand, the box cover 5 can be moved away from the top of the water bath box 2 by the electric sliding block 4, so that the equipment is convenient to maintain.

[0036] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A rotary distillation apparatus, characterized by: Include: The base (1), the upper surface side is fixedly installed with water bath box (2) and first column (3), the outer wall of first column (3) is slidably connected with electric slide (4), the lower end of electric slide (4) is fixedly installed with box cover (5), the water bath box (2) and box cover (5) one side are all set with exposure groove (12); Second column (6), its fixedly installed on the upper surface of base (1) other side, the front side of second column (6) is rotatably connected with rotating host (7), the left and right sides of rotating host (7) are respectively fixedly installed with connecting pipe (9) and evaporation tank (8), evaporation tank (8) is set in water bath box (2) inside.

2. A rotary distillation apparatus as claimed in claim 1, wherein: The upper end of connecting pipe (9) is fixedly installed with condenser (10), the lower end of connecting pipe (9) is fixedly installed with collection tank (11).

3. A rotary distillation apparatus as claimed in claim 1, wherein: The left and right sides of rotating host (7) inner wall are all fixedly installed with sealing ring (17), the middle part of rotating host (7) is fixedly installed with vacuumizing port (18).

4. A rotary distillation apparatus as claimed in claim 1, wherein: The inner wall of box cover (5) is fixedly installed with liquid inlet (15).

5. A rotary distillation apparatus as claimed in claim 1, wherein: The one side of water bath box (2) is set with liquid outlet (16).

6. A rotary distillation apparatus as claimed in claim 1, wherein: The side, away from rotating host (7), of connecting pipe (9) is fixedly installed with feed pipe (13).

7. A rotary distillation apparatus as claimed in claim 2, wherein: The bottom of collection tank (11) is provided with discharge port (14).

Images