CN217187982U

CN217187982U - Sublimation purification device for small laboratory

Info

Publication number: CN217187982U
Application number: CN202220126775.3U
Authority: CN
Inventors: 黄焱伟; 王方道; 王东; 王猛
Original assignee: Chemvon Biotechnology Co ltd
Current assignee: Chemvon Biotechnology Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-16
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a small-size laboratory is with sublimation purification device belongs to medical intermediate technical field. A sublimation purification apparatus for a small laboratory, comprising: a reaction kettle; the threaded cover is in threaded connection with the reaction kettle; the driving motor is fixedly connected to the upper end of the threaded cover; the stirring blade is fixedly connected to the output end of the driving motor; the condensation plates are symmetrically and fixedly connected to the lower end of the threaded cover; the two condensation plates are communicated, and a water inlet pipe and a water outlet pipe are respectively connected to the two condensation plates; the utility model discloses a condensing panel that sets up is convenient for collect the material after the purification, and the screw thread feeder that sets up simultaneously can control feed rate, is applicable to the unstable material sublimation purification of heating.

Description

Sublimation purification device for small laboratory

Technical Field

The utility model relates to a sublimation purification technical field especially relates to a small-size laboratory is with sublimation purification device in the medical intermediate.

Background

Purification, which means separating impurities from a mixture to increase its purity, is often performed in the laboratory. Purification as an important chemical method has important roles not only in chemical research but also in chemical production.

Common purification methods in the laboratory include recrystallization, pulping, column chromatography, and the like. In a laboratory bench stage, recrystallization and column chromatography are generally used as main steps, the column chromatography has the characteristics of high speed and high efficiency, the recrystallization operation is convenient, and sometimes the loss is large. For certain products, when a small amount of sample is needed, the sample is often purified by sublimation according to the nature of the sample.

Sublimation refers to a process in which a solid substance is changed into a gaseous state without passing through a liquid state, and for example, camphor, iodine, naphthalene, and the like are easily sublimated. The existing sublimation purification has the defects that when the unstable material is heated in the purification process, the material is not heated uniformly, the material purification efficiency is not increased, and the purification effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current sublimation purification, when the unstable material is heated in the purification, the material is heated inhomogeneously, leads to not adding material purification efficiency, the not good problem of purification effect, and a small-size laboratory that provides is with sublimation purification device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sublimation purification apparatus for a small laboratory, comprising: a reaction kettle; the threaded cover is in threaded connection with the reaction kettle; the driving motor is fixedly connected to the upper end of the threaded cover; the stirring blade is fixedly connected to the output end of the driving motor; the condensing plate is symmetrically and fixedly connected to the lower end of the threaded cover; the two condensing plates are communicated with each other, and a water inlet pipe and a water outlet pipe are respectively connected to the two condensing plates.

In order to facilitate continuous feeding of the reaction kettle, preferably, a solid material placing box is fixedly connected to the side wall of the reaction kettle, a thread feeder is fixedly connected to the side wall of the reaction kettle, and the thread feeder is located at a discharge end of the solid material placing box.

In order to facilitate the feeding of the screw feeder, further, the solid material placing box is arranged in a conical shape.

In order to control the feeding speed of the solid material placing box, a feeding valve is preferably arranged on the solid material placing box.

In order to conveniently vacuumize the reaction kettle, preferably, a vacuum-pumping tube is fixedly connected to the threaded cover, and a vacuum-pumping valve is arranged on the vacuum-pumping tube.

In order to conveniently extract impurities, preferably, the threaded cover is fixedly connected with a vent pipe, and the vent pipe is provided with a vent valve.

Compared with the prior art, the utility model provides a small-size laboratory is with sublimation purification device possesses following beneficial effect:

the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a condenser plate that sets up is convenient for collect the material after the purification, and the screw thread feeder that sets up simultaneously can control feed rate, is applicable to the unstable material sublimation purification of heating.

Drawings

FIG. 1 is a schematic structural view of a sublimation purification apparatus for a small laboratory according to the present invention;

figure 2 is the utility model provides a small-size laboratory is with the structural schematic of sublimation purification device's screw feeder.

In the figure: 1. a drive motor; 2. vacuumizing a tube; 3. a vacuum pumping valve; 4. an emptying valve; 5. an emptying pipe; 6. a threaded cap; 7. a condensing plate; 8. a solid material placing box; 9. stirring blades; 10. a feed valve; 11. a screw feeder; 12. a water outlet pipe; 13. a water inlet pipe; 14. and (4) a reaction kettle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-2, a sublimation purification apparatus for a small laboratory includes: a reaction kettle 14; the threaded cover 6 is in threaded connection with the reaction kettle 14; the driving motor 1 is fixedly connected with the upper end of the threaded cover 6; the stirring blade 9 is fixedly connected to the output end of the driving motor 1; the condensing plate 7 is symmetrically and fixedly connected to the lower end of the threaded cover 6; wherein, two condensing panels 7 communicate with each other, are connected with inlet tube 13, outlet pipe 12 on two condensing panels 7 respectively, and condensing panel 7 is platelike setting, and the area is beated, more conveniently scrapes the material after taking out, refer to fig. 1, and cold water inlet tube 13 enters into behind the pipeline of connecting in the condensing panel 7 on right side and enters into behind the left condensing panel 7 through outlet pipe 12 and discharges, cools off the material through condensing panel 7.

Fixedly connected with solid material places case 8 on reation kettle 14's the lateral wall, and there is a apron upper end also threaded connection of placing case 8 at solid material, and fixedly connected with screw feeder 11 on reation kettle 14's the lateral wall, screw feeder 11 are located the discharge end that case 8 was placed to solid material.

Specifically, the screw feeder 11 includes a screw rod driven by a motor, and when the material enters the screw feeder 11, the material is moved into the reaction kettle 14 by the screw.

The solid material placing box 8 is arranged in a conical shape, so that the solid material in the solid material placing box 8 can fall conveniently.

The solid material placing box 8 is provided with a feeding valve 10, so that feeding of the solid material placing box 8 is controlled conveniently.

The vacuum-pumping pipe 2 is fixedly connected to the threaded cover 6, and the vacuum-pumping pipe 2 is provided with the vacuum-pumping valve 3, so that gas in the reaction kettle 14 can be conveniently pumped, normal-pressure purification and reduced-pressure purification can be conveniently realized.

Fixedly connected with blow-down pipe 5 on the screw cap 6 is equipped with atmospheric valve 4 on the blow-down pipe 5, is convenient for extract the impurity of sublimation in-process.

When the device is used, the feeding valve 10 is opened, the material to be purified is added into the solid material placing box 8, at the moment, the reaction kettle 14 is subjected to hot bath, the material is heated and sublimated, and the material is cooled and purified after contacting the condensing plate 7;

the driving motor 1 drives the stirring blades 9 to rotate, so that materials can be driven to be mixed, and the heating efficiency of the materials is improved;

the reaction kettle 14 is a silicon boron glass kettle body, has good heat conduction effect, is convenient for hot bath, has good transparent effect, is convenient for observing sublimation conditions, and is more convenient for controlling the feeding speed;

furthermore, the reaction kettle 14 can be continuously fed, excessive feeding at one time is avoided, feeding is carried out in batches, the sublimed materials are safer, and the device is suitable for purification and sublimation of unstable materials heated for a long time;

the utility model discloses a condensing panel 7 that sets up is convenient for collect the material after the purification, and the screw thread feeder 11 that sets up simultaneously can control feed rate, is applicable to the unstable material sublimation purification of heating.

The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a small-size laboratory is with sublimation purification device which characterized in that includes: a reaction kettle (14); the threaded cover (6) is in threaded connection with the reaction kettle (14); the driving motor (1) is fixedly connected to the upper end of the threaded cover (6); the stirring blade (9) is fixedly connected to the output end of the driving motor (1); the condensation plate (7) is symmetrically and fixedly connected to the lower end of the threaded cover (6); the two condensation plates (7) are communicated, and a water inlet pipe (13) and a water outlet pipe (12) are respectively connected to the two condensation plates (7).

2. Sublimation purification apparatus for small laboratory according to claim 1, wherein the side wall of the reaction kettle (14) is fixedly connected with a solid material placing box (8), the side wall of the reaction kettle (14) is fixedly connected with a screw feeder (11), and the screw feeder (11) is located at the discharge end of the solid material placing box (8).

3. Sublimation purification apparatus for small scale laboratory according to claim 2, characterized in that the solid material placing box (8) is conical.

4. Sublimation purification apparatus for small scale laboratory according to claim 3, characterized in that the solid material placing box (8) is provided with a charging valve (10).

5. The sublimation purification device for the small laboratory according to claim 4, wherein the screw cover (6) is fixedly connected with an evacuation tube (2), and the evacuation tube (2) is provided with an evacuation valve (3).

6. Sublimation purification device for small laboratories according to claim 5, wherein a vent pipe (5) is fixedly connected to the screw cap (6), and a vent valve (4) is arranged on the vent pipe (5).