Vacuum distillation device

Abstract

The utility model relates to the technical field of organic synthesis, and discloses a vacuum distillation device which comprises a heating base, four supporting legs are fixedly arranged on the bottom surface of the heating base and are uniformly distributed on the bottom surface of the periphery of the heating base, a distillation mechanism is fixedly arranged on the top surface of the heating base, and the distillation mechanism is arranged on the bottom surface of the heating base. A collecting mechanism is fixedly arranged on the side surface of the distillation mechanism; the distillation mechanism comprises a distillation part and a metering part; the top surface of the distillation part is fixedly connected with the bottom surface of the metering part in a penetrating manner; the metering part comprises a feeding bottle, and a through groove is fixedly formed in the front face of the feeding bottle. Through the arrangement of the distillation mechanism and the cooperative work of an electromagnetic valve A and a scale observation window, when organic matter synthesis distillation work is carried out, quantitative liquid organic matter can be effectively stored and fed, so that subsequent vacuum distillation is facilitated, the distillation amount can be directly observed, and normal distillation work is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of organic synthesis, in particular to a vacuum distillation device. Background Art

[0002] Vacuum distillation, also known as reduced pressure distillation, is a process that uses the pressure above the liquid to be distilled (i.e., reducing the pressure of the environment). The purpose of this method is to lower the boiling point of the liquid to be separated, thereby simplifying the separation process.

[0003] A Chinese patent discloses a vacuum distillation device with publication number CN110575677A, which includes a crude distillation device, a fine distillation device and a steam pipe. The inner cavities of the crude distillation device and the fine distillation device are connected through the steam pipe. The crude distillation device includes a crude distillation cover, a crucible and a crude distillation cavity. The crucible is arranged at the bottom of the inner cavity of the crude distillation cavity. The fine distillation device includes a collecting cover, a condensing device, a deflecting device, a crucible and a fine distillation cavity. It can realize two distillation and purification of materials with one feeding, so as to improve both production efficiency and purification efficiency, and prevent the oxidation effect caused by excessive contact of materials with oxygen during multiple distillations.

[0004] However, there are still the following disadvantages: the vacuum distillation device cannot quantitatively dose the compounds when performing organic synthesis distillation, and at the same time pay attention to vacuum distillation, so a vacuum distillation device is designed. Utility Model Content

[0005] The purpose of the utility model is to provide a vacuum distillation device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a vacuum distillation device comprises a heating base, the bottom surface of the heating base is fixedly provided with supporting legs, the number of the supporting legs is four and they are evenly distributed around the bottom surface of the heating base, the top surface of the heating base is fixedly provided with a distillation mechanism, and the side surface of the distillation mechanism is fixedly provided with a collecting mechanism;

[0007] The distillation mechanism comprises a distillation part and a metering part, and the top surface of the distillation part and the bottom surface of the metering part are fixedly connected through each other;

[0008] The metering part comprises a delivery bottle, a through slot is fixedly provided on the front of the delivery bottle, and a scale observation window is fixedly provided on the inner wall of the through slot;

[0009] The collecting mechanism comprises a collecting part and a connecting part, and the side surface of the collecting part and the side surface of the connecting part are fixedly connected through each other;

[0010] The collecting part comprises a collecting bottle, and a cover plate is sealed on the top surface of the collecting bottle.

[0011] Preferably, a distillation box is provided on the top surface of the heating base, the surface of the heating base and the inner wall of the bottom end of the distillation box are sealed and clamped, the top surface of the distillation box and the bottom surface of the delivery bottle are sealed and fixedly connected, and a vacuum air pump is provided on the right side of the heating base.

[0012] Preferably, a connecting pipe is fixedly provided on the top surface of the vacuum air pump, and the bottom surface of the left end of the connecting pipe is fixedly provided through the top surface of the distillation box, extends to the inside of the distillation box and is connected with the inside of the distillation box, and a sealing sleeve is sealed on the top surface of the delivery bottle.

[0013] Preferably, the side surface of the sealing sleeve is threadedly connected to the inner wall of the top of the delivery bottle, a handle is fixedly provided on the top surface of the sealing sleeve, a through hole is fixedly opened on the top surface of the distillation box, and a solenoid valve A is fixedly provided on the inner wall of the through hole.

[0014] Preferably, a drain port is fixedly provided on the left end face of the distillation box, a solenoid valve B is fixedly provided on the inner wall of the drain port, a permeation inclined plate is fixedly provided on the inner wall of the distillation box, and an output pipe is fixedly provided through the left end face of the distillation box.

[0015] Preferably, the inner wall of the left end of the output pipe and the right end surface of the collecting bottle are sealed and clamped, the interior of the output pipe and the interior of the collecting bottle are through-connected, and the top surface of the collecting bottle and the bottom surface of the cover plate are hinged by a hinged rod.

[0016] Preferably, a drain pipe is provided on the front side of the distillation box, the back end face of the drain pipe passes through the front side of the distillation box, extends to the inside of the distillation box and is connected with the inside of the distillation box, and the surface of the drain pipe is fixedly connected to the inner wall of the distillation box.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The vacuum distillation device is provided with a distillation mechanism, and the electromagnetic valve A and the scale observation window cooperate to effectively store and put a certain amount of liquid organic matter when performing organic synthesis distillation, so as to facilitate the subsequent vacuum distillation, so that the distillation amount can be directly observed, and the normal distillation work is facilitated;

[0019] 2. The vacuum distillation device is provided with a sealing sleeve and a vacuum air pump, so that when distilling liquid organic matter, the inside of the distillation box can be quickly evacuated to keep it distilled under vacuum, and the sealing sleeve can prevent the drop bottle from leaking, greatly improving the sealing performance of the distillation;

[0020] 3. The vacuum distillation device is provided with a collecting mechanism, and through the cooperation of the permeation inclined plate and the solenoid valve B, the distillation work inside the distillation box can separate the two liquids, so that the required organic matter can be concentrated into the collection bottle through the permeation inclined plate, thereby facilitating separate collection and improving the distillation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional schematic diagram of the front structure of the utility model;

[0022] Figure 2 It is a three-dimensional cross-sectional schematic diagram of the front structure of the utility model;

[0023] Figure 3 It is a three-dimensional schematic diagram of the back structure of the utility model;

[0024] Figure 4 This is a three-dimensional enlarged schematic diagram of the heating base structure of the utility model;

[0025] Figure 5 For this utility model Figure 2 A three-dimensional enlarged schematic diagram of the structure of area A in the middle.

[0026] In the figure: 1. Heating base; 2. Support legs; 3. Distillation mechanism; 301. Distillation box; 302. Vacuum air pump; 303. Connecting pipe; 304. Delivery bottle; 305. Sealing sleeve; 306. Handle; 307. Scale observation window; 308. Solenoid valve A; 4. Collecting mechanism; 401. Permeation inclined plate; 402. Solenoid valve B; 403. Output pipe; 404. Collecting bottle; 405. Cover plate; 406. Drain pipe. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1

[0029] See also Figure 1-Figure 5As shown, a vacuum distillation device comprises a heating base 1, the bottom surface of the heating base 1 is fixedly provided with supporting legs 2, the number of supporting legs 2 is four and evenly distributed on the bottom surface around the heating base 1, the top surface of the heating base 1 is fixedly provided with a distillation mechanism 3, and the side surface of the distillation mechanism 3 is fixedly provided with a collecting mechanism 4; the distillation mechanism 3 comprises a distillation part and a metering part, and the top surface of the distillation part and the bottom surface of the metering part are fixedly connected; the metering part comprises a delivery bottle 304, the front surface of the delivery bottle 304 is fixedly provided with a through groove, and the inner wall of the through groove is fixedly provided with a scale observation window 307; the collecting mechanism 4 comprises a collecting part and a connecting part, and the side surface of the collecting part and the side surface of the connecting part are fixedly connected; the collecting part comprises a collecting bottle 404, the collecting bottle 404 is a rotating T-shaped, and the top surface of the collecting bottle 404 is sealed with a cover plate 405;

[0030] During operation, the heating base 1 is placed firmly by four supporting legs 2, the bottom of the distillation box 301 is connected to the heating base 1, so that the heating base 1 can heat the inside of the distillation box 301, and the connecting pipe at the right end of the collecting bottle 404 and the output pipe 403 are clamped.

[0031] Furthermore, a distillation box 301 is provided on the top surface of the heating base 1, the surface of the heating base 1 and the inner wall of the bottom end of the distillation box 301 are sealed and clamped, the top surface of the distillation box 301 and the bottom surface of the delivery bottle 304 are sealed and fixedly connected, and a vacuum air pump 302 is provided on the right side of the heating base 1, and the vacuum air pump 302 can perform vacuum extraction work;

[0032] During operation, the liquid compound required for distillation is added into the delivery bottle 304 . After the addition is completed, the sealing sleeve 305 is tightened again, and the vacuum air pump 302 is started, so that the connecting pipe 303 evacuates the gas inside the distillation box 301 .

[0033] Furthermore, a connecting pipe 303 is fixedly provided on the top surface of the vacuum air pump 302, and the bottom surface of the left end of the connecting pipe 303 is fixedly provided through the top surface of the distillation box 301, extends to the inside of the distillation box 301 and is connected with the inside of the distillation box 301, and a sealing sleeve 305 is sealed on the top surface of the delivery bottle 304, and the bottom of the sealing sleeve 305 is in the shape of a knob thread;

[0034] During operation, the handle 306 is grasped, the sealing sleeve 305 is rotated and taken out, and the liquid compound required for distillation is added into the delivery bottle 304. After the addition is completed, the sealing sleeve 305 is tightened again and the vacuum air pump 302 is started.

[0035] Furthermore, the side of the sealing sleeve 305 is threadedly connected to the inner wall of the top of the delivery bottle 304, a handle 306 is fixedly provided on the top surface of the sealing sleeve 305, a through hole is fixedly opened on the top surface of the distillation box 301, and a solenoid valve A308 is fixedly provided on the inner wall of the through hole, and the solenoid valve A308 is controlled by an external power supply;

[0036] During operation, the handle 306 is grasped, the sealing sleeve 305 is rotated and taken out, and the liquid compound required for distillation is added into the delivery bottle 304 .

[0037] Furthermore, a liquid discharge port is fixedly provided on the left end surface of the distillation box 301, a solenoid valve B402 is fixedly provided on the inner wall of the liquid discharge port, a permeation inclined plate 401 is fixedly provided on the inner wall of the distillation box 301, a plurality of permeation holes are provided on the surface of the permeation inclined plate 401, and an output pipe 403 is fixedly provided through the left end surface of the distillation box 301;

[0038] During operation, the required liquid organic matter is temporarily attached to the surface of the permeation inclined plate 401 , and the solenoid valve B402 is opened, so that the liquid organic matter enters the interior of the collection bottle 404 through the output pipe 403 .

[0039] Furthermore, the inner wall of the left end of the output pipe 403 and the right end surface of the collecting bottle 404 are sealed and clamped, the inside of the output pipe 403 and the inside of the collecting bottle 404 are connected through, and the top surface of the collecting bottle 404 and the bottom surface of the cover plate 405 are hinged by a hinge rod;

[0040] When working, the solenoid valve B402 is opened, so that the liquid organic matter enters the collecting bottle 404 through the output pipe 403, and the distillation and collection work is completed. The excess water is discharged through the drain pipe 406 for centralized collection.

[0041] Furthermore, a drain pipe 406 is provided on the front of the distillation box 301, and the drain pipe 406 can drain the inside of the distillation box 301. The back end surface of the drain pipe 406 passes through the front of the distillation box 301 and extends to the inside of the distillation box 301 and is connected to the inside of the distillation box 301. The surface of the drain pipe 406 is fixedly connected to the inner wall of the distillation box 301.

[0042] During operation, after the distillation and collection work is completed, the excess water is discharged through the drain pipe 406 for centralized collection.

[0043] Working principle: When in use, first place the heating base 1 firmly through the four supporting legs 2, connect the bottom of the distillation box 301 and the heating base 1, so that the heating base 1 can heat the inside of the distillation box 301, clamp the connecting pipe at the right end of the collecting bottle 404 and the output pipe 403, hold the handle 306, rotate and take out the sealing sleeve 305, add the liquid compound to be distilled into the inside of the delivery bottle 304, tighten the sealing sleeve 305 after adding, start the vacuum air pump 302, so that the connecting pipe 303 evacuates the gas inside the distillation box 301, and observe the inside of the delivery bottle 304 in time through the scale observation window 307 The amount of liquid is determined by opening the solenoid valve A308, so that the liquid compound enters the interior of the distillation box 301, and waits for its natural precipitation to seep through the through holes on the surface of the infiltration inclined plate 401, so that it is concentrated at the bottom of the distillation box 301. The organic compound is evaporated by heating the heating base 1, and the water is concentrated at the bottom of the distillation box 301 through different densities and condensation. The required liquid organic matter is temporarily attached to the surface of the infiltration inclined plate 401, and the solenoid valve B402 is opened to allow the liquid organic matter to enter the collection bottle 404 through the output pipe 403, thereby completing the distillation and collection work, and the excess water is discharged through the drain pipe 406 for centralized collection.

[0044] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum distillation apparatus, comprising a heating base (1), characterized in that: The bottom surface of the heating base (1) is fixedly provided with support legs (2), the number of the support legs (2) is four and they are evenly distributed around the bottom surface of the heating base (1), the top surface of the heating base (1) is fixedly provided with a distillation mechanism (3), and the side surface of the distillation mechanism (3) is fixedly provided with a collection mechanism (4); The distillation mechanism (3) comprises a distillation section and a metering section, wherein the top surface of the distillation section and the bottom surface of the metering section are fixedly connected through each other; The metering part comprises a delivery bottle (304), a through slot is fixedly provided on the front of the delivery bottle (304), and a scale observation window (307) is fixedly provided on the inner wall of the through slot; The collecting mechanism (4) comprises a collecting portion and a connecting portion, and the side surface of the collecting portion and the side surface of the connecting portion are fixedly connected through each other; The collecting part comprises a collecting bottle (404), and a cover plate (405) is sealed on the top surface of the collecting bottle (404).

2. A vacuum distillation apparatus according to claim 1, characterized in that: The top surface of the heating base (1) is provided with a distillation box (301), the surface of the heating base (1) and the inner wall of the bottom end of the distillation box (301) are sealed and clamped, the top surface of the distillation box (301) and the bottom surface of the delivery bottle (304) are sealed and fixedly connected, and the right side surface of the heating base (1) is provided with a vacuum air pump (302).

3. A vacuum distillation apparatus according to claim 2, characterized in that: The top surface of the vacuum air pump (302) is fixedly provided with a connecting pipe (303), and the bottom surface of the left end of the connecting pipe (303) is fixedly provided through the top surface of the distillation box (301) and extends to the inside of the distillation box (301) and is connected with the inside of the distillation box (301). The top surface of the delivery bottle (304) is sealed with a sealing sleeve (305).

4. A vacuum distillation apparatus according to claim 3, characterized in that: The side of the sealing sleeve (305) is threadedly connected to the inner wall of the top of the delivery bottle (304), a handle (306) is fixedly provided on the top surface of the sealing sleeve (305), a through hole is fixedly opened on the top surface of the distillation box (301), and a solenoid valve A (308) is fixedly provided on the inner wall of the through hole.

5. A vacuum distillation apparatus according to claim 2, characterized in that: The left end surface of the distillation box (301) is fixedly provided with a liquid discharge port, the inner wall of the liquid discharge port is fixedly provided with a solenoid valve B (402), the inner wall of the distillation box (301) is fixedly provided with a permeation inclined plate (401), and the left end surface of the distillation box (301) is fixedly provided with an output pipe (403).

6. A vacuum distillation apparatus according to claim 5, characterized in that: The inner wall of the left end of the output pipe (403) and the right end surface of the collecting bottle (404) are sealed and clamped, the interior of the output pipe (403) and the interior of the collecting bottle (404) are connected through, and the top surface of the collecting bottle (404) and the bottom surface of the cover plate (405) are hinged by a hinge rod.

7. A vacuum distillation apparatus according to claim 2, characterized in that: A drain pipe (406) is provided on the front side of the distillation box (301). The back end face of the drain pipe (406) passes through the front side of the distillation box (301) and extends into the interior of the distillation box (301) and is connected to the interior of the distillation box (301). The surface of the drain pipe (406) is fixedly connected to the inner wall of the distillation box (301).

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