Continuous separation device for 3-dimethylaminopropylamine aqueous solution

Abstract

The utility model relates to the technical field of separation devices, and discloses a continuous separation device for a 3-dimethylaminopropylamine aqueous solution, which comprises a reaction body, the reaction body comprises a shell, a reaction chamber is arranged in the middle of the upper surface of the shell, the reaction body can provide a mixing and reaction place for the device, the device is ensured to fully react, and the reaction time is shortened. A telescopic connecting mechanism is fixedly connected to the back surface of the reaction body and comprises a telescopic rod. The device has the following advantages and effects that through the arrangement of the reaction body, the filter box and the liquid separation tank, a worker introduces waste liquid from the waste liquid feeding end, medicines are fed from the feeding end, the solution is uniformly mixed in the reaction body through the stirring mechanism, and the mixed solution is introduced into the filter box to separate fatty acid soap generated by reaction; and alkali liquor and amine liquor are introduced into the liquid separation tank and are respectively discharged from the amine liquor outlet and the alkali liquor outlet, so that repeated fractionation is not needed, and the effect of reducing the cost is achieved.

Description

Technical Field

[0001] This utility model relates to the field of separation device technology, and in particular to a continuous separation device for 3-dimethylaminopropylamine aqueous solution. Background Technology

[0002] 3-Dimethylaminopropylamine has a density of 0.8100 g / cm², a freezing point of -70℃, a boiling point of 134℃, and a molecular weight of 102. It is soluble in water and organic solvents, but is corrosive and irritating to the eyes, mucous membranes, and skin, and can cause burns. 3-Dimethylaminopropylamine is mainly used as an intermediate in organic synthesis to produce dyes and ion exchange resins; it is also used as a curing agent for epoxy resins, an additive in oils and cyanide-free electroplating zinc, a fiber and leather treatment agent, and a bactericide.

[0003] According to Chinese Patent No. CN02822683.6, a method is provided for separating an amine from an aqueous solution by continuous distillation of an aqueous solution of an amine using a two-pressure method of distilling a homogeneous azeotropic binary mixture. The aqueous solution of the amine, which forms an azeotrope with water whose composition depends on the pressure, is distilled in two columns at different pressures, under the following conditions: a) the pressure in the second column is set at least 0.5 bar higher than the pressure in the first column; b) the aqueous amine solution is fed into the first column as a side stream, and water and components with boiling points higher than the boiling point temperature of the amine or non-volatile components are removed at the base of the column; c) the amine-water mixture is recovered at the top of the first column and fed into the second column as a side stream; d) the azeotrope of water and amine is recovered at the top of the second column and recycled back to the first column; and e) the purified amine is removed at the base of the second column.

[0004] The aforementioned patents have excellent separation and purification effects, but the cost is high, resulting in low actual economic value. Utility Model Content

[0005] The purpose of this invention is to provide a continuous separation device for dimethylaminopropylamine aqueous solution, which has the effect of reducing costs.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a continuous separation device for dimethylaminopropylamine aqueous solution, comprising a reaction body, a telescopic connecting mechanism fixedly connected to the back of the reaction body, a cover fixedly connected to one end of the telescopic connecting mechanism, a stirring mechanism fixedly connected to the middle of the upper surface of the cover, a valve fixedly connected to the lower side of one side of the reaction body, a filter box fixedly connected to one end of the valve, a second valve fixedly connected to the lower side of one side of the filter box, a separating tank fixedly connected to one end of the second valve, a partition fixedly connected inside the separating tank, an amine liquid outlet fixedly connected to the upper middle of one end of the separating tank, and an alkali liquid outlet fixedly connected directly below the amine liquid outlet.

[0007] By adopting the above technical solution, through the setup of the reaction body, filter box, and separator, the worker introduces the waste liquid from the waste liquid inlet and the drug from the feed end. The stirring mechanism mixes the solution evenly inside the reaction body. After mixing, the solution is introduced into the filter box to separate the fatty acid soaps generated by the reaction. The alkali solution and amine solution are introduced into the separator and discharged from the amine solution outlet and alkali solution outlet, respectively. This eliminates the need for multiple fractionation and achieves the effect of reducing costs.

[0008] A further feature of this invention is that the reaction body includes a shell, and a reaction chamber is provided in the middle of the upper surface of the shell.

[0009] By adopting the above technical solution, the arrangement of the reactants can provide a mixing and reaction site for the device, ensuring that the device reacts fully.

[0010] A further feature of this invention is that the telescopic connecting mechanism includes a telescopic rod, and a connecting arm is fixedly connected to the upper surface of the telescopic rod.

[0011] By adopting the above technical solution, the telescopic connection mechanism facilitates the up-and-down movement of the cover, ensuring the normal use of the device.

[0012] A further feature of this invention is that a waste liquid inlet is fixedly connected to one side of the upper surface of the cover, and a connecting flange is fixedly connected to the upper surface of the waste liquid inlet.

[0013] By adopting the above technical solution, the waste liquid inlet and connecting flange are designed to facilitate the entry of waste liquid and prevent leakage.

[0014] A further feature of this invention is that a feeding end is fixedly connected to the other side of the upper surface of the cover, and a cleaning port is fixedly connected to the upper surface of the cover.

[0015] By adopting the above technical solution, the setting of the feeding end and cleaning port facilitates the injection of drugs and the cleaning of the reaction body, thereby improving the effectiveness of the device.

[0016] A further feature of this invention is that the stirring mechanism includes a stirring motor, and the output end of the stirring motor is fixedly connected to a stirring blade.

[0017] By adopting the above technical solution, the stirring mechanism can fully stir the inside of the reaction body, improve the reaction rate, and thus improve the separation efficiency.

[0018] A further feature of this invention is that a cover is provided on the top of the filter box, and a filter plate is fixedly connected to the inner wall of the filter box.

[0019] By adopting the above technical solution, the design of the tank cover facilitates the removal of the fatty acid soaps generated in the reaction, making it easy to clean the device, and the design of the filter plate can separate the fatty acid soaps, ensuring the separation effect.

[0020] A further feature of this invention is that a drain port is fixedly connected to the bottom of the separator, and a sealing cap is fixedly connected to the lower surface of the drain port.

[0021] By adopting the above technical solution, the setting of the discharge port and sealing cap can control the discharge of waste liquid and facilitate reuse.

[0022] A further feature of this invention is that the number of partitions is six, and the six partitions are fixedly connected to the inner wall of the separator in a symmetrical manner.

[0023] By adopting the above technical solution, the partition can provide a buffer, which is conducive to the rapid settling of the solution and improves the separation effect.

[0024] A further feature of this invention is that a main liquid passage is provided in the middle of the partition, and a secondary liquid passage is provided on the outer surface of the partition.

[0025] By adopting the above technical solution, the main liquid passage and the auxiliary liquid passage are designed to facilitate the flow of solution in the device, improve the separation and discharge effect.

[0026] The beneficial effects of this invention are as follows: By setting up a reaction body, a filter box, and a separator, the worker can introduce waste liquid from the waste liquid inlet and add the drug from the feed end. The stirring mechanism will mix the solution evenly inside the reaction body. After mixing, the solution will be introduced into the filter box to separate the fatty acid soap generated by the reaction. The alkali solution and amine solution will be introduced into the separator and discharged from the amine solution outlet and the alkali solution outlet, respectively. This eliminates the need for multiple fractionation and achieves the effect of reducing costs. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the axonal structure of the present invention;

[0029] Figure 2 This is a schematic diagram of the cross-sectional structure of the reactant of this utility model;

[0030] Figure 3 This is a schematic diagram of the cross-sectional structure of the filter box of this utility model;

[0031] Figure 4 This is a schematic cross-sectional view of the separator of this utility model.

[0032] In the diagram, 1. Reactor; 2. Telescopic connecting mechanism; 3. Cover; 4. Stirring mechanism; 5. Valve; 6. Filter box; 7. Second valve; 8. Separating tank; 9. Baffle; 10. Amine liquid outlet; 11. Alkali liquid outlet; 12. Waste liquid inlet; 13. Connecting flange; 14. Feeding end; 15. Cleaning port; 16. Box cover; 17. Filter plate; 18. Drainage port; 19. Sealing cover; 20. Main liquid passage; 21. Secondary liquid passage; 101. Shell; 102. Reaction chamber; 201. Telescopic rod; 202. Connecting arm; 401. Stirring motor; 402. Stirring blade. Detailed Implementation

[0033] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0034] Reference Figure 1-4A continuous separation device for 3-dimethylaminopropylamine aqueous solution includes a reaction body 1, which includes a shell 101. A reaction chamber 102 is disposed in the middle of the upper surface of the shell 101. The reaction body provides a mixing and reaction site for the device, ensuring sufficient reaction. A telescopic connecting mechanism 2 is fixedly connected to the back of the reaction body 1. The telescopic connecting mechanism 2 includes a telescopic rod 201, and a connecting arm 202 is fixedly connected to the upper surface of the telescopic rod 201. The telescopic connecting mechanism facilitates the up-and-down movement of the cover, ensuring normal operation of the device. A cover 3 is fixedly connected to one end of the telescopic connecting mechanism 2, and a connecting arm 202 is fixedly connected to one side of the upper surface of the cover 3. The device includes a waste liquid inlet 12, with a connecting flange 13 fixedly connected to its upper surface. The waste liquid inlet and connecting flange facilitate waste liquid entry and prevent leakage. A feeding end 14 is fixedly connected to the other side of the upper surface of the cover 3, and a cleaning port 15 is fixedly connected to its upper surface. The feeding end and cleaning port facilitate the filling of drugs and the cleaning of the reaction body, improving the device's performance. A stirring mechanism 4 is fixedly connected to the middle of the upper surface of the cover 3. The stirring mechanism 4 includes a stirring motor 401, and a stirring blade 402 is fixedly connected to the output end of the stirring motor 401. This stirring mechanism allows for thorough stirring of the reaction body, improving... To improve reaction speed and separation efficiency, a valve 5 is fixedly connected to the lower side of one side of the reaction body 1. A filter box 6 is fixedly connected to one end of the valve 5. A cover 16 is provided on the top of the filter box 6. A filter plate 17 is fixedly connected to the inner wall of the filter box 6. The cover facilitates the removal of the fatty acid soap generated in the reaction, making the device easy to clean. The filter plate separates the fatty acid soap, ensuring the separation effect. A second valve 7 is fixedly connected to the lower side of one side of the filter box 6. A separatory tank 8 is fixedly connected to one end of the second valve 7. A drain port 18 is fixedly connected to the bottom of the separatory tank 8. A sealing cap 19 is fixedly connected to the lower surface of the drain port 18. The sealing cap allows for controlled discharge of waste liquid, facilitating reuse. Six partitions 9 are fixedly connected internally to the separator 8, arranged symmetrically on the inner wall of the separator 8. The partitions provide buffering, promoting rapid solution settling and improving separation efficiency. A main liquid passage 20 is located in the center of each partition 9, and a secondary liquid passage 21 is located on the outer surface of each partition 9. The main and secondary liquid passages facilitate solution flow, improving separation and discharge efficiency. An amine outlet 10 is fixedly connected to the upper middle of one end of the separator 8, and an alkali outlet 11 is fixedly connected directly below the amine outlet 10.

[0035] In this invention, the worker introduces waste liquid from the waste liquid inlet 12 and adds the drug from the feed end 14. The stirring mechanism 4 mixes the solution evenly inside the reaction body 1. After mixing, the solution is introduced into the filter box 6 to separate the fatty acid soap generated by the reaction and remove it for easy cleaning. The alkali solution and amine solution are introduced into the separator 8. After separation, they are discharged from the amine solution outlet 10 and the alkali solution outlet 11. Multiple fractionation is not required, thus reducing costs.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A continuous separation device for 3-dimethylaminopropylamine aqueous solution, comprising a reaction body (1), characterized in that: A telescopic connecting mechanism (2) is fixedly connected to the back of the reaction body (1). A cover (3) is fixedly connected to one end of the telescopic connecting mechanism (2). A stirring mechanism (4) is fixedly connected to the middle of the upper surface of the cover (3). A valve (5) is fixedly connected to the lower side of one side of the reaction body (1). A filter box (6) is fixedly connected to one end of the valve (5). A second valve (7) is fixedly connected to the lower side of one side of the filter box (6). A separating tank (8) is fixedly connected to one end of the second valve (7). A partition (9) is fixedly connected inside the separating tank (8). An amine outlet (10) is fixedly connected to the upper middle of one end of the separating tank (8). An alkali outlet (11) is fixedly connected directly below the amine outlet (10).

2. The continuous separation device for 3-dimethylaminopropylamine aqueous solution according to claim 1, characterized in that: The reactant (1) includes a shell (101), and a reaction chamber (102) is provided in the middle of the upper surface of the shell (101).

3. The continuous separation device for 3-dimethylaminopropylamine aqueous solution according to claim 1, characterized in that: The telescopic connection mechanism (2) includes a telescopic rod (201), and a connecting arm (202) is fixedly connected to the upper surface of the telescopic rod (201).

4. The continuous separation device for 3-dimethylaminopropylamine aqueous solution according to claim 1, characterized in that: A waste liquid inlet end (12) is fixedly connected to one side of the upper surface of the cover (3), and a connecting flange (13) is fixedly connected to the upper surface of the waste liquid inlet end (12).

5. The continuous separation device for 3-dimethylaminopropylamine aqueous solution according to claim 1, characterized in that: A feeding end (14) is fixedly connected to the other side of the upper surface of the cover (3), and a cleaning port (15) is fixedly connected to the upper surface of the cover (3).

6. The continuous separation device for 3-dimethylaminopropylamine aqueous solution according to claim 1, characterized in that: The stirring mechanism (4) includes a stirring motor (401), and the output end of the stirring motor (401) is fixedly connected to a stirring blade (402).

7. The continuous separation device for 3-dimethylaminopropylamine aqueous solution according to claim 1, characterized in that: The filter box (6) is provided with a cover (16) on top, and a filter plate (17) is fixedly connected to the inner wall of the filter box (6).

8. The continuous separation device for 3-dimethylaminopropylamine aqueous solution according to claim 1, characterized in that: The bottom of the separator (8) is fixedly connected to a drain port (18), and the lower surface of the drain port (18) is fixedly connected to a sealing cap (19).

9. A continuous separation device for 3-dimethylaminopropylamine aqueous solution according to claim 1, characterized in that: The number of partitions (9) is six, and the six partitions (9) are fixedly connected to the inner wall of the separator (8) in a symmetrical manner.

10. A continuous separation device for 3-dimethylaminopropylamine aqueous solution according to claim 1, characterized in that: The partition (9) has a main liquid passage (20) in the middle and a secondary liquid passage (21) on the outer surface of the partition (9).

Images