Extracting agent adder for purifying tetrafluorobutanediol

Abstract

The utility model discloses an extractant adder for purifying tetrafluorobutanediol. The extractant adder comprises a storage tank, an extraction tank and an extraction tank, a feeding mechanism is arranged above the outer side of the conveying pipe and comprises a weighing pipe, a first valve and a second valve, and a scale window is formed in the front side of the weighing pipe; and a filtering mechanism is arranged in the conveying pipe and comprises a bent pipe, a filtering net and a storage pipe, the storage pipe is rotationally connected with a pipe cover, and the pipe cover is in threaded connection with the threaded rod. According to the extracting agent adder for purifying the tetrafluorobutanediol, the first one-way air inlet valve and the second one-way air inlet valve both have an air conveying effect and are used for relieving atmospheric pressure and conveniently adding an extracting agent, and the purpose of quantitative feeding is achieved by adjusting opening and closing of the first valve and the second valve, so that the tetrafluorobutanediol is conveniently extracted, and the extraction efficiency is improved. The filter screen can filter impurities in the extracting agent, and the purified extracting agent further facilitates extraction of tetrafluorobutanediol.

Description

Technical Field

[0001] This utility model relates to the field of chemical technology, specifically to an extractant additive for the purification of tetrafluorobutanediol. Background Technology

[0002] Tetrafluorobutanediol; also known as 2,2,3,3-tetrafluoro-1,4-butanediol or 2,2,3,3-tetrafluoro-1,4-butanediol. An extractant is a solvent used in extraction operations to selectively dissolve certain components from a mixture, thereby achieving the separation and purification of substances. Extraction utilizes the difference in solubility of a solute in two immiscible solvents to transfer the solute from one solvent to the other. For tetrafluorobutanediol, the extraction process requires the selection of appropriate extractants, extraction conditions, and extraction equipment to ensure efficient separation and purification of tetrafluorobutanediol.

[0003] However, under the current technological background, general extractant additives cannot achieve the effect of quantitative addition, which brings certain inconvenience to the extraction process. In addition, extractant additives may not have a filtration device. If the extractant contains impurities, it will also cause tetrafluorobutane glycol to be contaminated. There is still room for optimization. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides an extractant additive for the purification of tetrafluorobutanediol. This additive overcomes the limitations of conventional extractant additives, which cannot achieve quantitative addition, causing inconvenience in the extraction process. Furthermore, conventional extractant additives may not contain a filtration device, and impurities in the extractant can contaminate the tetrafluorobutanediol.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a feeding mechanism is provided on the upper outer side of the conveying pipe, wherein the feeding mechanism includes a weighing pipe, a first valve and a second valve, a scale window is provided on the front side of the weighing pipe, and a first one-way air inlet valve and a second one-way air inlet valve are provided on the upper side of the weighing pipe.

[0006] The above technical solution facilitates the delivery of the extractant within the delivery pipe, making the operation relatively convenient.

[0007] As a preferred technical solution of this utility model, the conveying pipe is provided with a filtering mechanism, which includes a bent pipe, a filter screen and a storage pipe. The storage pipe is rotatably connected to the pipe cover, and the pipe cover and the threaded rod are threadedly connected.

[0008] By adopting the above technical solution, impurities inside the storage tube can be cleaned, which is beneficial for filtration.

[0009] As a preferred embodiment of this utility model, a conveying pipe is provided on the lower side of the storage tank, and a weighing pipe is provided on the upper outer side of the conveying pipe.

[0010] The above technical solution can deliver the extractant and is also convenient for weighing.

[0011] As a preferred embodiment of this utility model, a first valve and a second valve are provided on the side of the conveying pipe, with the first valve located above the weighing pipe and the second valve located below the weighing pipe.

[0012] Using the above technical solution, the extractant in the metering tube can be controlled by the first valve and the second valve.

[0013] As a preferred embodiment of this utility model, a bend is provided on the right side of the conveying pipe, and an air filter is provided inside the bend, as well as a third valve is provided inside the bend.

[0014] Using the above technical solution, bending the pipe can avoid the influence of atmospheric pressure on opening the pipe cover, and the operation is simple.

[0015] As a preferred embodiment of this utility model, a filter screen is provided inside the conveying pipe, and the filter screen is located on the left side of the storage pipe and on the lower left side of the bend.

[0016] Using the above technical solution, the storage tube can store impurities and perform quantitative processing.

[0017] As a preferred embodiment of this utility model, a storage tube is provided on the lower right side of the conveying pipe, and the storage tube and the threaded rod are threadedly connected.

[0018] The above technical solution allows for easy opening of the storage tube and its cap, making processing convenient.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: the extractant additive for tetrafluorobutane glycol purification has a first one-way air inlet valve and a second one-way air inlet valve that both have the function of conveying gas to alleviate atmospheric pressure and facilitate the addition of extractant. By adjusting the opening and closing of the first and second valves, the purpose of quantitative feeding can be achieved, thereby facilitating the extraction of tetrafluorobutane glycol. The filter screen can filter out impurities in the extractant, and the purified extractant further facilitates the extraction of tetrafluorobutane glycol.

[0020] 1. This utility model is equipped with a weighing tube, a first one-way air inlet valve and a second one-way air inlet valve. Both the first one-way air inlet valve and the second one-way air inlet valve have the function of conveying gas, which is used to relieve atmospheric pressure and facilitate the addition of extractant.

[0021] 2. This utility model achieves quantitative feeding by setting a scale window, a first valve, and a second valve, and by adjusting the opening and closing of the first valve and the second valve, thus facilitating the extraction of tetrafluorobutanediol;

[0022] 3. This utility model incorporates a bent tube, a filter screen, and a storage tube. The filter screen removes impurities from the extractant, which is then stored in the storage tube. The purified extractant further facilitates the extraction of tetrafluorobutanediol. Attached Figure Description

[0023] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0024] Figure 1 This is a left-view stereoscopic structural diagram of the present invention;

[0025] Figure 2 This is a right-view three-dimensional structural diagram of the present invention;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the conveying pipe of this utility model;

[0027] Figure 4 This is a schematic diagram of the connection structure between the storage tube and the cap of this utility model.

[0028] In the diagram: 1. Storage tank; 2. Delivery pipe; 3. Weighing pipe; 4. Scale window; 5. First one-way air inlet valve; 6. Second one-way air inlet valve; 7. First valve; 8. Second valve; 9. Bend; 10. Air filter; 11. Third valve; 12. Filter screen; 13. Storage pipe; 14. Pipe cap; 15. Threaded rod. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Specific Implementation

[0030] This embodiment is an extractant additive for the purification of tetrafluorobutanediol.

[0031] like Figures 1-4As shown, a conveying pipe 2 is provided on the lower side of the storage tank 1, and a weighing pipe 3 is provided on the upper outer side of the conveying pipe 2. A scale window 4 is provided on the front side of the weighing pipe 3, and a first one-way air inlet valve 5 and a second one-way air inlet valve 6 are provided on the upper side of the weighing pipe 3. A first valve 7 and a second valve 8 are provided on the side of the conveying pipe 2, with the first valve 7 located above the weighing pipe 3 and the second valve 8 located below the weighing pipe 3. A bend 9 is provided on the right side of the conveying pipe 2, and an air filter 10 and a third valve 11 are provided inside the bend 9. A filter 12 is provided inside the conveying pipe 2, and the filter 12 is located on the left side of the storage pipe 13 and below the left side of the bend 9. A storage pipe 13 is provided on the lower right side of the conveying pipe 2, and the storage pipe 13 is threadedly connected to a threaded rod 15. The storage pipe 13 is rotatably connected to a pipe cover 14, and the pipe cover 14 is threadedly connected to the threaded rod 15.

[0032] It should be noted that a feeding port is provided on the upper side of the storage tank 1, through which the extractant can be added into the storage tank 1. The first one-way air inlet valve 5 and the second one-way air inlet valve 6 both have the function of conveying gas to relieve atmospheric pressure and facilitate the delivery of the extractant. Specific Implementation

[0033] This embodiment is designed to solve the problem of inconvenient quantitative feeding.

[0034] like Figure 1 and Figure 2 As shown, when a quantitative amount of extractant needs to be added, first turn the first valve 7. At this time, the extractant inside the storage tank 1 will flow down under the action of gravity and be stored in the weighing tube 3. The dosage of extractant in the weighing tube 3 can be observed through the scale window 4, thus achieving precise addition. At this time, the gas in the weighing tube 3 will be discharged from the first one-way air inlet valve 5, thus preventing the atmospheric pressure inside the weighing tube 3 from being too high, which would make it inconvenient for the extractant to flow down. After the dosage of extractant is measured, close the first valve 7 and open the second valve 8. At this time, the extractant will continue to flow down along the delivery pipe 2. Outside air will enter the weighing tube 3 from the second one-way air inlet valve 6, which facilitates delivery and facilitates the extraction of tetrafluorobutanediol. Specific Implementation

[0035] This embodiment is designed to address the problem of inconvenience in handling extractants.

[0036] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, since the third valve 11 is closed, the extractant will only flow downwards. After the extractant flows downwards, it will come into contact with the filter screen 12. The filter screen 12 can filter out the impurities in the extractant. Since the filter screen 12 is tilted, the filtered impurities will roll to the right and then be stored in the storage tube 13. The purified extractant further facilitates the extraction of tetrafluorobutanediol. After the delivery is completed, the second valve 8 can be closed.

[0037] When it is necessary to clean the impurities in the storage tube 13, open the third valve 11 inside the bend 9. Outside air will enter the delivery tube 2 through the bend 9, and the air filter 10 can filter the air. The filtered air will not carry impurities, preventing dust from entering the delivery tube 2. Opening the third valve 11 allows air to enter the delivery tube 2, preventing atmospheric pressure in the delivery tube 2 from making it inconvenient to open the tube cover 14. Rotate the threaded rod 15 to disconnect the threaded rod 15 from the tube cover 14. At this time, the tube cover 14 will rotate under the action of gravity, which can clean the impurities in the storage tube 13. After cleaning, close the tube cover 14 and connect the storage tube 13 and the tube cover 14 together through the threaded rod 15. The operation is relatively convenient.

[0038] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An extractant additive for the purification of tetrafluorobutanediol, comprising: Storage tank (1); Its characteristic is that it further includes: The conveying pipe (2) is provided with a feeding mechanism on the upper outer side of the conveying pipe (2). The feeding mechanism includes a weighing pipe (3), a first valve (7) and a second valve (8). A scale window (4) is opened on the front side of the weighing pipe (3), and a first one-way air inlet valve (5) and a second one-way air inlet valve (6) are provided on the upper side of the weighing pipe (3). The conveying pipe (2) is equipped with a filter mechanism, which includes a bend (9), a filter screen (12) and a storage pipe (13). The storage pipe (13) is rotatably connected to the pipe cover (14), and the pipe cover (14) is threadedly connected to the threaded rod (15).

2. The extractant additive for tetrafluorobutanediol purification according to claim 1, characterized in that: The storage tank (1) is provided with a conveying pipe (2) on its lower side, and a weighing pipe (3) is provided above the outer side of the conveying pipe (2).

3. The extractant additive for tetrafluorobutanediol purification according to claim 2, characterized in that: The conveying pipe (2) is provided with a first valve (7) and a second valve (8) on its side, with the first valve (7) located above the weighing pipe (3) and the second valve (8) located below the weighing pipe (3).

4. The extractant additive for tetrafluorobutanediol purification according to claim 1, characterized in that: A bend (9) is provided on the right side of the delivery pipe (2), and an air filter (10) is provided inside the bend (9), and a third valve (11) is provided inside the bend (9).

5. The extractant additive for tetrafluorobutanediol purification according to claim 1, characterized in that: The inside of the delivery pipe (2) is provided with a filter screen (12), and the filter screen (12) is located on the left side of the storage pipe (13) and on the lower left side of the bend pipe (9).

6. The extractant additive for tetrafluorobutanediol purification according to claim 1, characterized in that: A storage tube (13) is provided on the lower right side of the delivery tube (2), and the storage tube (13) and the threaded rod (15) are threadedly connected.

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