CN220779106U - Automatic liquid-liquid extraction device - Google Patents

Abstract

The utility model discloses a liquid-liquid automatic extraction device, which comprises a standing tank, wherein the inside of the standing tank is divided into a plurality of standing spaces by a baffle plate, the upper end surface of the standing tank is fixedly provided with a mixing tank, and a plurality of electric switch valves arranged on the lower end surface of the mixing tank are respectively communicated with the plurality of standing spaces; the lower end face of each standing space is fixedly provided with an automatic liquid separating device, and the automatic liquid separating device distinguishes different split phases through a conductivity meter to realize liquid separation. The device of the utility model is provided with the devices which are needed to be used in the mixing step and the standing step in the extraction process separately, and can fully utilize the mixing tank to mix the extraction liquid in the standing process in the batch extraction process, thereby improving the working efficiency of the extraction device; the device provided by the utility model utilizes the conductivity meter to detect the conductivities of different solutions to realize the liquid separation of the solutions, realize the full automation and save the manpower expenditure.

Description

Automatic liquid-liquid extraction device

Technical Field

The utility model relates to the technical field of chemical separation, in particular to a liquid-liquid automatic extraction device.

Background

The liquid-liquid extraction is one of the common methods in the chemical separation field, the extraction device which is commonly adopted at present is a separating funnel, but when the separating funnel is used, the separating funnel needs to be manually swayed, and toxic reagents are extracted to bring certain harm to operators, and a plurality of research institutions successively develop a plurality of high-efficiency extraction devices, such as automatic liquid-liquid extraction devices of a mixer-settler, a centrifugal extractor and the like, but the mixer-settler and the centrifugal extractor are large in size and high in cost, are a continuous extraction process, cannot carry out batch extraction operation, and are difficult to be matched with other parts for use in the automatic separation device with a plurality of separation means. In the patent number CN105126385A, the name is an automatic liquid-liquid extraction device, a stirring device is arranged in an extraction tank, when a solution is extracted, the solution needs to be uniformly mixed and kept still, liquid separation is carried out after liquid-liquid layering is achieved, but a longer standing time is needed, so that the service cycle of the extraction device is longer, and the extraction efficiency is lower.

Disclosure of Invention

In view of the foregoing drawbacks and deficiencies of the prior art, it is desirable to provide a liquid-liquid automatic extraction apparatus.

According to the technical scheme provided by the embodiment of the application, the liquid-liquid automatic extraction device comprises a standing tank, wherein the standing tank is divided into a plurality of standing spaces by a baffle, the upper end surface of the standing tank is fixedly provided with a mixing tank, and a plurality of electric switch valves arranged on the lower end surface of the mixing tank are respectively communicated with the plurality of standing spaces; the lower end face of each standing space is fixedly provided with an automatic liquid separating device, and the automatic liquid separating device distinguishes different phase separation through a conductivity meter to realize liquid separation.

Further, a plurality of liquid inlet pipes and a uniformly mixing device are arranged on the mixing tank, so that liquid inlet and mixing of the mixing tank are realized.

Further, a plurality of space of standing mutually independent, the upper end position in every space of standing is equipped with the air vent, and solution can take place certain bubble in the mixing process with extraction solvent, the discharge of bubble of being convenient for.

Further, automatic liquid separation device includes main siphunculus, first split-phase siphunculus and second split-phase siphunculus, and first split-phase siphunculus, second split-phase siphunculus all communicate with the main siphunculus, and the conductivity meter is fixed on the main siphunculus for measure the conductivity of liquid in the main siphunculus, through the change of solution conductivity, realize the reposition of redundant personnel of the different solutions of automatic control, realize the separation.

Further, an electric switch valve A is arranged on the main through pipe above the conductivity meter, and electric switch valves A are arranged on the first split-phase through pipe and the second split-phase through pipe, so that independent space is provided for standing, and a diversion effect is provided for different extracted solutions.

In summary, the application has the following beneficial effects: the device of the application is provided with the devices which are needed to be used in the mixing step and the standing step in the extraction process separately, and can fully utilize the mixing tank to mix the extraction liquid in the standing process in the batch extraction process, thereby improving the working efficiency of the extraction device; the device provided by the application utilizes the conductivity meter to detect the conductivities of different solutions to realize the liquid separation of the solutions, realize the full automation and save the manpower expenditure.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of the overall apparatus of the present utility model;

FIG. 2 is a schematic cross-sectional view of the connection of the stationary tank and the automatic liquid-dispensing apparatus of the present utility model;

FIG. 3 is a schematic cross-sectional view of a mixing tank of the present utility model;

Fig. 4 is a schematic structural view of the automatic liquid separating device of the present utility model.

Reference numerals in the drawings: standing still the pot-1; a baffle plate-2; standing the space-3; a mixing tank-4; an electric switch valve-41; a liquid inlet pipe-42; mixing and stirring device-43; an automatic liquid separating device-5; a main pipe-51; a first split-phase tube-52; a second branch communication pipe-53; conductivity meter-6.

Detailed Description

The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1, the mixing tank 4 is fixed on the upper end surface of the standing tank 1, and the automatic liquid separating device 5 is positioned on the lower end surface of the standing tank 1;

As shown in fig. 2, the standing pot 1 is divided into three standing spaces 3 which are mutually independent through a baffle plate 2, an automatic liquid separating device 5 is arranged on the lower end surface of each standing space 3, and a main through pipe 51 on the automatic liquid separating device 5 is communicated with the standing spaces 3;

as shown in fig. 3, two liquid inlet pipes 42 are arranged on the upper end surface of the mixing tank 4, a uniform mixing device 43 is arranged in the inner cavity, electric switch valves 41 with the same number as that of the standing spaces 3 are arranged on the lower end surface, and as shown in fig. 2 and 3, three electric switch valves 41 are respectively positioned right above the three standing spaces 3;

as shown in fig. 4, the automatic liquid separating device 5 includes a vertically arranged main pipe 51, a horizontally arranged first split-phase pipe 52 and a second split-phase pipe 53 communicated with the main pipe 51, and a conductivity meter 6 is arranged on the main pipe 51 above the first split-phase pipe 52 for detecting the conductivity of the solution flowing through the main pipe 51.

When in use, the solution to be extracted is introduced into the mixing tank 4 through the liquid inlet pipe 42 on the mixing tank 4, uniformly mixed through the uniform mixing device 43, and then one of the three electric switch valves 41 on the lower end surface of the mixing tank 4 is opened, so that the uniformly mixed solution flows to one of the three standing spaces 3 for standing due to the gravity of the solution;

then the solution to be extracted is introduced into the mixing tank 4, the solution to be extracted in the next batch is uniformly mixed through the steps, and the other one of the three electric switch valves 41 is opened, so that the uniformly mixed extraction solution flows into the standing space 3 without the solution;

Repeating the steps until the solution is completely placed in the standing space 3, standing the solution in the standing space 3 for a certain time, and opening an electric switch valve A on the main through pipe 51 and an electric switch valve A on the first split-phase through pipe 52 after layering, so that the layered lower-layer solution flows through the main through pipe 51 and flows out of the first split-phase through pipe 52, and when the lower-layer solution flows through the main through pipe 51, the conductivity meter 6 of the conductivity of the lower-layer solution detects the conductivity of the solution; when the solution flowing through the main pipe 51 is the upper layer solution, the conductivity meter 6 will detect the change of conductivity, at this time, the solution flowing through the main pipe 51 becomes the upper layer solution, at this time, the electric switch valve a on the first split-phase pipe 52 is closed, the electric switch valve a on the second split-phase pipe 53 is opened, at this time, the extracted upper layer solution will flow out from the second split-phase pipe 53.

If the extracted solution is a multi-layer solution, a third split-phase through pipe and a fourth split-phase through pipe can be arranged on the automatic liquid separating device 5 so as to realize the separation and extraction of the multi-layer solution.

The electric switch valve 41 and the electric switch valve a in this embodiment are both electric switch valves, and can be opened and closed by a control device.

The jar 1 of standing in this scheme can be transparent material, is convenient for artifical the layering effect of looking over.

The above description is only illustrative of the preferred embodiments of the application and the technical principles employed. Meanwhile, the scope of the application is not limited to the technical scheme formed by the specific combination of the technical features, and other technical schemes formed by any combination of the technical features or the equivalent features thereof without departing from the inventive concept are also covered. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.

Claims (6)

1. An automatic liquid-liquid extraction device is characterized in that: comprising the steps of (a) a step of,

The device comprises a standing tank (1), wherein the inside of the standing tank (1) is divided into a plurality of standing spaces (3) through a baffle plate (2), a mixing tank (4) is fixedly arranged on the upper end surface of the standing tank (1), and a plurality of electric switch valves (41) arranged on the lower end surface of the mixing tank (4) are respectively communicated with the plurality of standing spaces (3);

The lower end face of each standing space (3) is fixedly provided with an automatic liquid separating device (5), and the automatic liquid separating devices (5) distinguish different phase separation through a conductivity meter (6) to realize liquid separation.

2. The automatic liquid-liquid extraction apparatus of claim 1, wherein: the mixing tank (4) is provided with a plurality of liquid inlet pipes (42) and a uniform mixing device (43).

3. The automatic liquid-liquid extraction apparatus of claim 2, wherein: the standing spaces (3) are mutually independent, and a vent hole is formed in the upper end part of each standing space (3).

4. The automatic liquid-liquid extraction apparatus of claim 1, wherein: the automatic liquid separating device (5) comprises a main through pipe (51), a first split-phase through pipe (52) and a second split-phase through pipe (53), wherein the first split-phase through pipe (52) and the second split-phase through pipe (53) are communicated with the main through pipe (51), and the conductivity meter (6) is fixed on the main through pipe (51) and is used for measuring the conductivity of liquid in the main through pipe (51).

5. The liquid-liquid automatic extraction apparatus of claim 4, wherein: an electric switch valve A is arranged on the main through pipe (51) above the conductivity meter (6).

6. The automatic liquid-liquid extraction apparatus of claim 5, wherein: the first split-phase through pipe (52) and the second split-phase through pipe (53) are respectively provided with an electric switch valve A.