Transesterification separation device

Abstract

The utility model discloses a transesterification separation device, which relates to the technical field of transesterification separation, and comprises a separation tank, an electric control three-way valve is mounted at the lower end of the separation tank, a light phase drain valve is mounted on one side of the lower end of the separation tank, a feed pipe is arranged on one side of the upper end of the separation tank, and a discharge pipe is arranged on one side of the lower end of the separation tank. An electric control discharging valve is arranged at the front end of the upper end of the separation tank, a connecting base is installed at the upper end of the electric control discharging valve, a bentonite storage pipe is installed at the upper end of the connecting base, a plurality of bentonite colloids are arranged in the bentonite storage pipe, an isolation hood is installed at one end of a light phase liquid discharging valve, and a light phase liquid discharging valve is installed at the other end of the light phase liquid discharging valve. The scheme provided by the utility model solves the problems that the separation purity is not high and subsequent deep processing is needed because a small amount of glycerol is still remained in fatty acid methyl ester separated by an existing separation mode.

Description

Technical Field

[0001] The utility model relates to the technical field of transesterification separation, in particular to a transesterification separation device. Background Technique

[0002] Fish oil is the general term for all oil substances in fish bodies, including body oil, liver oil, brain oil, etc. The main fish oil is a kind of oil extracted from fatty fish, containing a large amount of unsaturated fatty acids, and having health benefits such as anti-inflammatory and blood lipid regulation. Crude fish oil, also known as raw fish oil, has a high acid value, a deep color, and a strong fishy smell because it contains a certain amount of water, impurities, colloid, fish body protein, free fatty acids and other impurities. Therefore, it needs to be refined and meet certain quality indicators before it has use value;

[0003] The traditional ethyl esterification process is to carry out an ester exchange reaction on fish oil with ethanol or sodium ethoxide under the catalysis of acid or alkali to convert it into glycerol and fatty acid ethyl ester. Due to the different relative densities of glycerol and ethyl ester after the esterification reaction, the fatty acid methyl ester and glycerol are usually separated by gravity sedimentation method;

[0004] However, there will still be a small amount of glycerol remaining in the fatty acid methyl ester separated by this separation method, resulting in low separation purity and requiring subsequent deep processing. Therefore, we propose a transesterification separation device to solve the problems mentioned above. Content of the Utility Model

[0005] The purpose of the utility model is to provide a transesterification separation device to solve the problem that there is still a small amount of glycerol remaining in the fatty acid methyl ester separated by the existing separation method in the above background technique, resulting in low separation purity and requiring subsequent deep processing.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a transesterification separation device, including a separation tank, an electric control three-way valve is installed at the lower end of the separation tank, a light-phase drain valve is installed on one side of the lower end of the separation tank, a feed pipe is arranged on one side of the upper end of the separation tank, an electric control blanking valve is arranged at the front end of the upper end of the separation tank, a connecting seat is installed at the upper end of the electric control blanking valve, a bentonite storage pipe is installed at the upper end of the connecting seat, and a number of bentonite colloids are arranged inside the bentonite storage pipe, and an isolation cover is installed at one end of the light-phase drain valve.

[0007] Preferably, the lower end of the bentonite storage pipe is threadedly connected to the connecting seat through a threaded structure.

[0008] Preferably, a handle is installed at the upper end of the bentonite storage pipe.

[0009] Preferably, the isolation cover includes an isolation mesh frame and a sieve mesh. The sieve mesh is arranged inside the isolation mesh frame, and the four sides of the isolation mesh frame are all connected to the end of the light-phase drain valve by screws.

[0010] Preferably, a motor is installed at the middle position of the upper end of the separation tank. A stirring shaft is arranged inside the separation tank. A stirring head is installed at the lower end of the stirring shaft. The output end of the motor penetrates and extends into the separation tank and is in transmission connection with the stirring shaft through a coupling.

[0011] Preferably, a bracket is installed on the outer wall of the separation tank. A support column is installed at the lower end of the bracket, and there are four support columns. A shock-absorbing foot pad is installed at the lower end of the support column.

[0012] Preferably, the separation tank is made of a transparent material.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] By arranging a bentonite storage pipe on the separation tank, which is controlled by an electric control blanking valve, after glycerol and ethyl acetate are statically stratified, a part of glycerol at the bottom of the ethyl acetate layer can be retained during the process of discharging glycerol to ensure the purity of glycerol. Then, the electric control blanking valve is opened to make the bentonite colloid in the bentonite storage pipe fall into the remaining solution. The motor is started to drive the stirring shaft and the stirring head to rotate, so that the residual glycerol mixture of ethyl acetate is fully mixed with the bentonite colloid. Because the bentonite colloid has strong oil absorption, it can adsorb the residual glycerol in the solution. After completion, the light-phase drain valve is opened to discharge ethyl acetate into the light-phase ethyl acetate storage tank. During the discharge, since an isolation cover is arranged at the end of the light-phase drain valve, the sieve mesh inside it can block the bentonite colloid, realizing the separation of the bentonite colloid and ethyl acetate and ensuring the purity of ethyl acetate. This solves the problem that a small amount of glycerol still remains in the fatty acid methyl ester separated by the existing separation method, resulting in low separation purity and the need for subsequent deep processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structural schematic diagram of the present utility model;

[0016] Figure 2 is the internal structural schematic diagram of the present utility model;

[0017] Figure 3 is the partial structural schematic diagram of the isolation cover of the present utility model;

[0018] Figure 4 is the structural schematic diagram of the connection state of the bentonite storage pipe of the present utility model;

[0019] In the figure: 1. Separation tank; 2. Bracket; 3. Support column; 4. Electric three-way valve; 5. Light phase drain valve; 6. Motor; 7. Feed pipe; 8. Electric discharge valve; 9. Connecting seat; 10. Bentonite storage pipe; 11. Handle; 12. Shock-absorbing foot pad; 13. Coupling; 14. Agitator shaft; 15. Agitator head; 16. Isolation cover; 161. Isolation mesh frame; 162. Screen; 163. Screw; 17. Threaded structure. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] See also Figures 1-4 The utility model provides an embodiment: a transesterification separation device, including a separation tank 1, an electrically controlled three-way valve 4 is installed at the lower end of the separation tank 1, a light phase drain valve 5 is installed on one side of the lower end of the separation tank 1, a feed pipe 7 is provided on one side of the upper end of the separation tank 1, an electrically controlled discharge valve 8 is provided at the front end of the upper end of the separation tank 1, a connecting seat 9 is installed at the upper end of the electrically controlled discharge valve 8, a bentonite storage pipe 10 is installed at the upper end of the connecting seat 9, and a plurality of bentonite colloids are arranged inside the bentonite storage pipe 10, and an isolation cover 16 is installed at one end of the light phase drain valve 5.

[0022] See also Figure 4 The lower end of the bentonite storage tube 10 is threadedly connected to the connecting seat 9 through a threaded structure 17. After a certain amount of bentonite colloid is loaded into the bentonite storage tube 10, it can be turned upside down on the connecting seat 9 and fixed to the connecting seat 9 by threaded connection for subsequent use.

[0023] See also Figure 1 A handle 11 is installed at the upper end of the bentonite storage tube 10, and the handle 11 can be manually rotated to install and remove the bentonite storage tube 10 more conveniently.

[0024] See also Figure 2 and Figure 3 The isolation cover 16 includes an isolation mesh frame 161 and a screen 162. The screen 162 is arranged inside the isolation mesh frame 161. The four sides of the isolation mesh frame 161 are connected to the end of the light phase drain valve 5 through screws 163. The screen 162 can isolate the bentonite colloid.

[0025] See also Figure 1 and Figure 2, a motor 6 is installed at the middle position of the upper end of the separation tank 1. A stirring shaft 14 is arranged inside the separation tank 1. A stirring head 15 is installed at the lower end of the stirring shaft 14. The output end of the motor 6 penetrates and extends into the interior of the separation tank 1 and is in transmission connection with the stirring shaft 14 through a coupling 13. The motor 6 can drive the stirring shaft 14 to rotate, and the light-phase ethyl acetate and bentonite colloid are mixed through the stirring head 15. The bentonite colloid has strong oil absorption and can adsorb the residual glycerol in the ethyl acetate to ensure the purity of the light-phase ethyl acetate discharged subsequently.

[0026] Please refer to Figure 1 , a bracket 2 is installed on the outer wall of the separation tank 1. A support column 3 is installed at the lower end of the bracket 2, and there are four support columns 3. A shock-absorbing foot pad 12 is installed at the lower end of the support column 3. The bottom surface of the shock-absorbing foot pad 12 is made of rubber material with anti-slip patterns, which can ensure the stability of the separation tank 1 during use.

[0027] Furthermore, the separation tank 1 is made of a transparent material. The transparent tank body can facilitate the observation of the liquid level line after sedimentation separation and facilitate the control of the liquid discharge volume.

[0028] Working principle: Before use, a number of bentonite colloids are loaded into the bentonite storage pipe 10, and then it is reversely installed on the connecting seat 9 for standby. After that, the reacted glycerol and ethyl acetate mixture is introduced into the separation tank 1 along the feed pipe 7. After standing and stratifying, the glycerol with a larger density settles to the lower layer, while the ethyl acetate with a lighter density floats on the upper layer. After the stratification is completed, the electric control three-way valve 4 is opened to switch to the rear conveying pipeline, and the bottom glycerol is sent into the heavy-phase glycerol tank. When the drainage reaches the point where the bottom glycerol is about to be emptied, the continuous drainage is stopped. At this time, the electric control blanking valve 8 is opened to make the bentonite colloid in the bentonite storage pipe 10 fall into the remaining solution, and the motor 6 is started to drive the stirring shaft 14 and the stirring head 15 to rotate, so that the residual glycerol mixture in the ethyl acetate is fully mixed with the bentonite colloid. Because the bentonite colloid has strong oil absorption, it can adsorb the residual glycerol in the solution. After that, the light-phase drainage valve 5 is opened to discharge the ethyl acetate into the light-phase ethyl acetate storage tank. When discharging, because a separation cover 16 is arranged at the end of the light-phase drainage valve 5, the sieve mesh 162 inside it can block the bentonite colloid, realizing the separation of the bentonite colloid and the ethyl acetate and ensuring the purity of the ethyl acetate. After that, the electric control three-way valve 4 is switched to another blanking port, and the separation tank 1 is rinsed with cleaning liquid to discharge the bentonite colloid along the blanking port.

[0029] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A transesterification separation device, comprising a separation tank (1), characterized in that: An electric control three-way valve (4) is installed at the lower end of the separation tank (1). A light-phase drain valve (5) is installed on one side of the lower end of the separation tank (1). A feed pipe (7) is provided on one side of the upper end of the separation tank (1). An electric control blanking valve (8) is provided at the front end of the upper end of the separation tank (1). A connecting seat (9) is installed at the upper end of the electric control blanking valve (8). A bentonite storage pipe (10) is installed at the upper end of the connecting seat (9). A number of bentonite colloids are provided inside the bentonite storage pipe (10). One end of the light-phase drain valve (5) is installed with a shielding cover (16).

2. The transesterification separation device according to claim 1, characterized in that: The lower end of the bentonite storage pipe (10) is threadedly connected to the connecting seat (9) through a threaded structure (17).

3. The transesterification separation device according to claim 2, characterized in that: A handle (11) is installed at the upper end of the bentonite storage pipe (10).

4. The transesterification separation device according to claim 1, characterized in that: The shielding cover (16) includes a shielding wire frame (161) and a screen (162). The screen (162) is arranged inside the shielding wire frame (161). The four sides of the shielding wire frame (161) are all connected to the end of the light-phase drain valve (5) through screws (163).

5. The transesterification separation device according to claim 1, wherein: A motor (6) is installed at the middle position of the upper end of the separation tank (1). A stirring shaft (14) is arranged inside the separation tank (1). A stirring head (15) is installed at the lower end of the stirring shaft (14). The output end of the motor (6) penetrates and extends into the separation tank (1) and is in transmission connection with the stirring shaft (14) through a coupling (13).

6. The transesterification separation device according to claim 1, characterized in that: A bracket (2) is installed on the outer wall of the separation tank (1). A support column (3) is installed at the lower end of the bracket (2). Four support columns (3) are provided. A shock-absorbing foot pad (12) is installed at the lower end of the support column (3).

7. The transesterification separation device according to claim 1, wherein: The separation tank (1) is made of a transparent material.

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