CN211012211U

CN211012211U - Vacuum drier for controlling organic solvent residue

Info

Publication number: CN211012211U
Application number: CN201922217989.2U
Authority: CN
Inventors: 李玲; 郑会武; 孔祥翔; 张营霞
Original assignee: Shandong Wanbang Sainuokang Biochemistry Pharmaceutical Co ltd
Current assignee: Shandong Wanbang Sainuokang Biochemistry Pharmaceutical Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-14
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to a control organic solvent residual vacuum drying machine, include: the vacuum drying machine is connected with the humidity control tank, and the vacuum pump is sequentially connected with the condenser and the vacuum pump inside the vacuum drying machine tank. The utility model discloses form vacuum drying device with condenser, vacuum pump and desiccator are supporting. The application is characterized in that a steam unit, namely a humidity control tank is additionally arranged in the all-in-one machine, the humidity control tank is connected with a dryer, and the problem that organic solvent residue exceeds the standard is solved.

Description

Vacuum drier for controlling organic solvent residue

Technical Field

The utility model belongs to the drying equipment field, concretely relates to control remaining vacuum drying machine of organic solvent.

Background

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information constitutes prior art that is already known to a person skilled in the art.

The vacuum drier consists of refrigerating system, vacuum system, heating system and control system for electric instrument. The main components are a drying tank, a condenser, a refrigerating unit, a vacuum pump, a heating/cooling device and the like, steam or hot water is introduced into a jacket to heat the jacket in a vacuum state in the tank, and the heat is contacted with wet materials through the inner wall of the tank body. The water vapor evaporated after the wet material absorbs heat is pumped away through a vacuum exhaust pipe by a vacuum pump. Because the tank body is in a vacuum state, and the rotation of the tank body enables the object to be continuously turned up and down and inside and outside, the drying speed of the material is accelerated, the drying efficiency is improved, and the aim of uniform drying is fulfilled. However, some materials contain organic solvents such as methanol and ethanol, and the application of the method is limited because it is difficult to obtain a dry material with proper organic solvent residue by the hydrogen bonding of the organic solvent and the materials.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem, the utility model provides a control organic solvent residual vacuum drying machine. The double-cone rotary vacuum dryer has the characteristic of integrating mixing and drying. The condenser, the vacuum pump and the vacuum drier are matched to form the vacuum drying device. The utility model is characterized in that a steam unit, namely a humidity control tank, is added in the integrated machine, and the humidity control tank is connected with a vacuum drier.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a vacuum dryer for controlling organic solvent residue, comprising: the vacuum drying machine comprises a vacuum drying machine, a humidity control tank and a vacuum pump, wherein the tank body of the vacuum drying machine is connected with the humidity control tank, and the tank body of the vacuum drying machine is sequentially connected with a condenser and the vacuum pump.

The research of the application finds that: when a traditional vacuum drier is adopted to carry out vacuum drying on materials containing organic solvents such as methanol, ethanol and the like; in the later stage of drying, a certain amount of organic solvent is inevitably left in the material due to the hydrogen bonding action of the organic solvent and the material. In order to solve the problems, the steam unit, namely the humidity control tank, is additionally arranged on the existing vacuum drying machine, a certain amount of water vapor is introduced into the tank body of the vacuum drying machine by the humidity control tank in the drying later stage, and the residual organic solvent is evaporated and absorbed together with the water vapor by changing the humidity in the tank body of the vacuum drying machine, so that the aim of avoiding the residual organic solvent is fulfilled.

In this application, "the inside of the tank body of the vacuum dryer" means: the tank body is used for containing the materials to be dried.

In some embodiments, the interior of the tank body of the vacuum dryer is connected with the humidity control tank through a pipeline I, and a valve is arranged on the pipeline I. At the initial stage of material drying, in order to guarantee drying efficiency, close the valve between vacuum drying machine and the humidity control jar to avoid inside messenger's material of vapor entering vacuum drying machine to get damp.

In some embodiments, the interior of the tank body of the vacuum dryer is further connected with a condenser through a pipeline II, a valve is arranged on the pipeline II, and moisture and the like evaporated from the materials can be recovered through the condenser.

In some embodiments, the vacuum pump is connected to the condenser through a pipe iii, the pipe iii is provided with a valve, and water vapor evaporated after the wet material inside the vacuum dryer tank absorbs heat is pumped away through the vacuum exhaust pipe by the vacuum pump.

In some embodiments, the vacuum dryer is provided with a jacket on the outer wall, and the jacket is connected with a hot water or steam supply device. In the jar under vacuum state, to pressing from both sides the cover in letting in steam or hot water and heat, the heat passes through jar internal wall and wet material contact, realizes the drying of wet material.

The beneficial effects of the utility model reside in that:

(1) the utility model discloses form vacuum drying device with condenser, vacuum pump and desiccator are supporting. The machine is characterized in that a steam unit, namely a humidity control tank is added in the all-in-one machine, and the humidity control tank is connected with a dryer, so that the problem of overproof organic solvent residue is solved.

(2) The device has the advantages of simple structure, convenience in operation, low cost and strong practicability.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic view showing the structure of an apparatus according to example 1, wherein the apparatus comprises a vacuum drier 1, a condenser 2, a vacuum pump 3 and a humidity control tank 4.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As introduced in the background art, the problem that some materials contain organic solvents such as methanol, ethanol and the like, and the conventional vacuum drying machine is difficult to effectively remove the organic solvents due to the hydrogen bonding action of the organic solvents and the materials is solved. Therefore, the utility model provides a control remaining vacuum drying machine of organic solvent. The double-cone rotary vacuum drier is a novel drier integrating mixing and drying. The condenser, the vacuum pump and the dryer are matched to form the vacuum drying device. The machine is characterized in that a steam unit, namely a humidity control tank is added in the all-in-one machine, and the humidity control tank is connected with a dryer.

The present invention is described in further detail below with reference to specific examples, which are intended to be illustrative of the invention and not limiting.

Example 1:

a vacuum dryer for controlling organic solvent residue, comprising: vacuum drying machine 1, humidity control jar 4, vacuum pump, the internal portion of jar of vacuum drying machine 1 links to each other with humidity control jar 4, the internal portion of jar of vacuum drying machine 1 still links to each other with condenser 2, vacuum pump 3 in proper order.

The research of the application finds that: when the traditional vacuum drier 1 is adopted to carry out vacuum drying on the materials containing organic solvents such as methanol, ethanol and the like; in the later stage of drying, a certain amount of organic solvent is inevitably left in the material due to the hydrogen bonding action of the organic solvent and the material. In order to solve the problems, the steam unit, namely the humidity control tank 4, is additionally arranged on the existing vacuum drying machine 1, a certain amount of water vapor is introduced into the tank body of the vacuum drying machine 1 by the humidity control tank 4 in the later drying period, and the residual organic solvent is evaporated and sucked away together with the water vapor by changing the humidity in the tank body of the vacuum drying machine 1, so that the purpose of avoiding the residual organic solvent is achieved.

Example 2:

The interior of the tank body of the vacuum dryer 1 is connected with the humidity control tank 4 through a pipeline I, and a valve is arranged on the pipeline I. At the initial stage of material drying, in order to ensure the drying efficiency, the valve between the vacuum drying machine 1 and the humidity control tank 4 is closed to prevent the water vapor from entering the vacuum drying machine 1 to make the material damp.

Example 3:

The interior of the tank body of the vacuum drier 1 is also connected with the condenser 2 through a pipeline II, a valve is arranged on the pipeline II, and water and the like evaporated from the materials can be recovered through the condenser 2.

Example 4:

Vacuum pump 3 passes through pipeline III with condenser 2 and links to each other, be provided with the valve on the pipeline III, the wet material heat absorption of the internal portion of jar of vacuum drying machine 1 evaporates the vapor, is taken away through vacuum exhaust pipe through vacuum pump 2.

Example 5:

The outer wall of the vacuum dryer 1 is provided with a jacket, and the jacket is connected with a hot water or steam supply device. In the jar under vacuum state, to pressing from both sides the cover in letting in steam or hot water and heat, the heat passes through jar internal wall and wet material contact, realizes the drying of wet material.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or partially replaced by equivalent solutions. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. A vacuum dryer for controlling organic solvent residue, comprising: the vacuum drying machine comprises a vacuum drying machine, a humidity control tank and a vacuum pump, wherein the tank body of the vacuum drying machine is connected with the humidity control tank, and the tank body of the vacuum drying machine is also connected with the vacuum pump.

2. The vacuum dryer for controlling organic solvent residue according to claim 1, wherein the interior of the vacuum dryer is connected with a humidity control tank through a pipeline I, and a valve is arranged on the pipeline I.

3. The vacuum dryer for controlling the residual organic solvent according to claim 1, wherein the interior of the tank of the vacuum dryer is further connected with a condenser through a pipeline II, and a valve is arranged on the pipeline II.

4. The vacuum drier for controlling the residual organic solvent according to claim 1, wherein the vacuum pump is connected to the condenser through a pipe III, and a valve is disposed on the pipe III.

5. The vacuum dryer for controlling the residue of organic solvent according to claim 1, wherein a jacket is provided on an outer wall of the vacuum dryer, and the jacket is connected to a hot water or steam supply device.