3-dimethylaminopropylamine production, filtration and rectification integrated equipment

Abstract

The utility model relates to the technical field of chemical production, and discloses 3-dimethylaminopropylamine production, filtration and rectification integrated equipment which comprises a mounting plate, the upper surface of the mounting plate is fixedly connected with a reaction kettle, the reaction kettle comprises a kettle body, the lower surface of the kettle body is fixedly connected with a base, the reaction kettle can be stably mounted while the reaction is ensured, and the production efficiency is improved. The back surface of the reaction kettle is fixedly connected with a telescopic mechanism, the telescopic mechanism comprises a telescopic rod, and the top of the telescopic rod is fixedly connected with a connecting arm. The 3-dimethylaminopropylamine production device has the following advantages and effects that through the arrangement of the reaction kettle, the filter box and the fractionating tower, after 3-dimethylaminopropylamine is produced by a worker through the reaction kettle, a catalyst is filtered out through the filter box, then the 3-dimethylaminopropylamine is introduced into the fractionating tower to separate the 3-dimethylaminopropylamine from a reactant, and the reactant is discharged from the reactant outlet; 3, 3-dimethylaminopropylamine is discharged from a material discharge pipe, and the effect of improving the purity is achieved through filtration and fractionation.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production, in particular to an integrated equipment for filtration and rectification in the production of 3-dimethylaminopropylamine. Background Art

[0002] The density of 3-dimethylaminopropylamine is 0.8100 g / cm2, the freezing point is -70 °C, the boiling point is 134 °C, the molecular weight is 102, it can dissolve in water and organic solvents, has corrosiveness, is irritating to eyes, mucous membranes and skin, and can cause burns to the human body. 3-dimethylaminopropylamine is mainly used as an organic synthesis intermediate to prepare dyes and ion exchange resins; it is used as an epoxy resin curing agent, an additive for oil and cyanide-free electrogalvanizing, a fiber and leather treatment agent, and a fungicide, etc.

[0003] According to the Chinese patent number CN1747925A, a method for preparing high-purity 3-dimethylaminopropylamine from N,N-dimethylaminopropionitrile by a low-pressure hydrogenation method is described. This basic method includes contacting the nitrile with hydrogen under low pressure in the presence of a catalyst under conditions sufficient to convert the nitrile into a primary amine product.

[0004] The above patent has good preparation effects, but after the preparation, it contains other impurities and the purity is not high. Content of the Utility Model

[0005] The purpose of the utility model is to provide an integrated equipment for filtration and rectification in the production of 3-dimethylaminopropylamine, which has the effect of improving purity.

[0006] The above technical purpose of the utility model is achieved by the following technical solutions: an integrated equipment for filtration and rectification in the production of 3-dimethylaminopropylamine, including a mounting plate, a reaction kettle is fixedly connected to the upper surface of the mounting plate, a telescopic mechanism is fixedly connected to the back of the reaction kettle, a reaction cover is fixedly connected to the top of the telescopic mechanism, a valve is fixedly connected to the lower part of one side of the reaction kettle, a filter box is fixedly connected to one end of the valve, a pump is fixedly connected to the bottom of one side of the filter box, the output end of the pump is fixedly connected to a fractionating tower, a reactant discharge port is fixedly connected to the middle of the lower surface of the fractionating tower, a cooler is fixedly connected to the upper surface of the fractionating tower, and a material discharge pipe is fixedly connected below the cooler.

[0007] By adopting the above technical solutions, through the settings of the reaction kettle, the filter box and the fractionating tower, after the staff produces 3-dimethylaminopropylamine through the reaction kettle, the catalyst is first filtered out through the filter box, and then it is introduced into the fractionating tower to separate 3-dimethylaminopropylamine from the reactants. The reactants are discharged from the reactant discharge port, and 3-dimethylaminopropylamine is discharged from the material discharge pipe, achieving the effect of improving purity through filtration and fractionation.

[0008] A further setting of the present utility model is that the reaction kettle includes a kettle body, and a base is fixedly connected to the lower surface of the kettle body.

[0009] By adopting the above technical solution, the setting of the reaction kettle can ensure the reaction while enabling stable installation.

[0010] A further setting of the present utility model is that the telescopic mechanism includes a telescopic rod, and a connecting arm is fixedly connected to the top of the telescopic rod.

[0011] By adopting the above technical solution, the setting of the telescopic mechanism facilitates controlling the pressing and sealing as well as lifting of the reaction cover, thereby improving the reaction efficiency.

[0012] A further setting of the present utility model is that a stirring motor is fixedly connected to the middle of the upper surface of the reaction cover, and a raw material inlet end is fixedly connected to the upper surface of the reaction cover.

[0013] By adopting the above technical solution, the setting of the stirring motor accelerates the mixing of reactants and catalysts, improving the reaction rate. The raw material inlet end facilitates the introduction of raw materials, ensuring normal reaction.

[0014] A further setting of the present utility model is that a catalyst inlet is arranged on one side of the stirring motor, and a cleaning port is fixedly connected to the upper surface of the reaction cover.

[0015] By adopting the above technical solution, the setting of the catalyst inlet facilitates the input of catalysts, ensuring a normal reaction rate. The setting of the cleaning port facilitates the cleaning of the device with cleaning liquid.

[0016] A further setting of the present utility model is that a filter plate is fixedly connected to the inner wall of the filter box, and a decontamination barrel is fixedly connected to the front of the filter box.

[0017] By adopting the above technical solution, the setting of the filter plate facilitates filtering out the catalyst for convenient recycling. The setting of the decontamination barrel can neutralize harmful gases and protect the staff.

[0018] A further setting of the present utility model is that a mounting seat is fixedly connected to the lower surface of the fractionating tower, and a hot gas inlet end is fixedly connected to the lower part of one side of the fractionating tower.

[0019] By adopting the above technical solution, the setting of the mounting seat improves the installation stability of the fractionating tower. The setting of the hot gas inlet end ensures normal fractionation effect.

[0020] A further setting of the present utility model is that one end of the reactant discharge port passes through the mounting seat and is arranged on the front of the mounting seat.

[0021] By adopting the above technical solution, the setting of the reactant discharge port can recycle the reactants, which can be recycled while preventing pollution and reducing costs.

[0022] A further setting of the present utility model is that one end of the cooler is fixedly connected with an exhaust hole.

[0023] By adopting the above technical solution, the setting of the exhaust hole can discharge water vapor and improve the purity of 3-dimethylaminopropylamine.

[0024] A further setting of the present utility model is that one end of the material discharge pipe is fixedly connected with a reflux end, and the reflux end is fixedly connected above one side surface of the fractionating tower.

[0025] By adopting the above technical solution, the setting of the reflux end can ensure the normal reflux of the device and improve the fractionation accuracy.

[0026] The beneficial effect of the present utility model is that through the settings of the reaction kettle, the filtration box and the fractionating tower, after the staff produces 3-dimethylaminopropylamine through the reaction kettle, the catalyst is first filtered through the filtration box, and then it is introduced into the fractionating tower to separate 3-dimethylaminopropylamine from the reactants. The reactants are discharged from the reactant discharge port, and 3-dimethylaminopropylamine is discharged from the material discharge pipe, achieving the effect of improving purity through filtration and fractionation. Description of the Drawings

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0028] Figure 1 It is an isometric structural schematic diagram of the present utility model;

[0029] Figure 2 It is a sectional structural schematic diagram of the fractionating tower of the present utility model;

[0030] Figure 3 For the present utility model Figure 1 The structural schematic diagram at position A in;

[0031] Figure 4 It is a sectional structural schematic diagram of the filtration box of the present utility model.

[0032] In the figure, 1 is the mounting plate; 2 is the reactor; 3 is the telescopic mechanism; 4 is the reaction cover; 5 is the valve; 6 is the filter box; 7 is the pump; 8 is the fractionating column; 9 is the reactant discharge port; 10 is the cooler; 11 is the material discharge pipe; 12 is the stirring motor; 13 is the raw material inlet end; 14 is the catalyst inlet; 15 is the cleaning port; 16 is the filter plate; 17 is the decontamination barrel; 18 is the mounting seat; 19 is the hot gas inlet end; 20 is the exhaust hole; 21 is the reflux end; 201 is the kettle body; 202 is the base; 301 is the telescopic rod; 302 is the connecting arm. Detailed implementation manners

[0033] The technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0034] Refer to Figures 1-4, An integrated equipment for filtration and rectification in the production of 3-dimethylaminopropylamine, including a mounting plate 1. The upper surface of the mounting plate 1 is fixedly connected with a reaction kettle 2. The reaction kettle 2 includes a kettle body 201, and the lower surface of the kettle body 201 is fixedly connected with a base 202. The setting of the reaction kettle can ensure the reaction while enabling stable installation. The back surface of the reaction kettle 2 is fixedly connected with a telescopic mechanism 3. The telescopic mechanism 3 includes a telescopic rod 301, and the top of the telescopic rod 301 is fixedly connected with a connecting arm 302. The setting of the telescopic mechanism facilitates controlling the pressing and sealing as well as lifting of the reaction cover, improving the reaction efficiency. The top of the telescopic mechanism 3 is fixedly connected with a reaction cover 4. The middle part of the upper surface of the reaction cover 4 is fixedly connected with a stirring motor 12, and the upper surface of the reaction cover 4 is fixedly connected with a raw material inlet 13. The setting of the stirring motor accelerates the mixing of reactants and catalysts, improving the reaction rate. The raw material inlet facilitates the introduction of raw materials to ensure normal reaction. A catalyst inlet 14 is arranged on one side of the stirring motor 12, and a cleaning port 15 is fixedly connected to the upper surface of the reaction cover 4. The setting of the catalyst inlet facilitates the input of catalysts to ensure a normal reaction rate. The setting of the cleaning port facilitates the cleaning of the device with cleaning liquid. A valve 5 is fixedly connected to the lower part of one side surface of the reaction kettle 2. One end of the valve 5 is fixedly connected with a filtration box 6. The inner wall of the filtration box 6 is fixedly connected with a filter plate 16. The front surface of the filtration box 6 is fixedly connected with a decontamination barrel 17. The setting of the filter plate facilitates filtering out the catalyst for convenient recycling. The setting of the decontamination barrel can neutralize harmful gases to protect the staff. A pump 7 is fixedly connected to the bottom of one side surface of the filtration box 6. The output end of the pump 7 is fixedly connected with a fractionating tower 8. The lower surface of the fractionating tower 8 is fixedly connected with a mounting seat 18. A hot gas inlet 19 is fixedly connected to the lower part of one side surface of the fractionating tower 8. The setting of the mounting seat improves the installation stability of the fractionating tower. The setting of the hot gas inlet ensures a normal fractionation effect. The middle part of the lower surface of the fractionating tower 8 is fixedly connected with a reactant discharge port 9. One end of the reactant discharge port 9 passes through the mounting seat 18 and is arranged on the front surface of the mounting seat 18. The setting of the reactant discharge port can recover the reactants, preventing pollution while reducing costs. A cooler 10 is fixedly connected to the upper surface of the fractionating tower 8. One end of the cooler 10 is fixedly connected with an exhaust hole 20. The setting of the exhaust hole can discharge water vapor, improving the purity of 3-dimethylaminopropylamine. A material discharge pipe 11 is fixedly connected below the cooler 10. One end of the material discharge pipe 11 is fixedly connected with a reflux end 21, and the reflux end 21 is fixedly connected above one side surface of the fractionating tower 8. The setting of the reflux end can ensure normal reflux of the device and improve the fractionation accuracy.

[0035] In the present utility model, after the staff produces 3-dimethylaminopropylamine through the reaction kettle 2, the catalyst is first filtered out through the filtration box 6, and then it is introduced into the fractionating tower 8 to separate 3-dimethylaminopropylamine from the reactants. The reactants are discharged from the reactant discharge port 9, and 3-dimethylaminopropylamine is discharged from the material discharge pipe 11, achieving the effect of improving purity through filtration and fractionation.

[0036] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An integrated filtration and rectification device for the production of 3-dimethylaminopropylamine, comprising a mounting plate (1), characterized in that: The upper surface of the mounting plate (1) is fixedly connected to a reaction kettle (2). The back surface of the reaction kettle (2) is fixedly connected to a telescopic mechanism (3). The top of the telescopic mechanism (3) is fixedly connected to a reaction cover (4). Below one side of the reaction kettle (2), a valve (5) is fixedly connected. One end of the valve (5) is fixedly connected to a filtration tank (6). At the bottom of one side of the filtration tank (6), a pump (7) is fixedly connected. The output end of the pump (7) is fixedly connected to a fractionating tower (8). In the middle of the lower surface of the fractionating tower (8), a reactant discharge port (9) is fixedly connected. On the upper surface of the fractionating tower (8), a cooler (10) is fixedly connected. Below the cooler (10), a material discharge pipe (11) is fixedly connected.

2. The integrated filtration and rectification equipment for the production of 3-dimethylaminopropylamine according to claim 1, wherein: The reaction kettle (2) includes a kettle body (201). The lower surface of the kettle body (201) is fixedly connected to a base (202).

3. The integrated filtration and rectification equipment for the production of 3-dimethylaminopropylamine according to claim 1, wherein: The telescopic mechanism (3) includes a telescopic rod (301). The top of the telescopic rod (301) is fixedly connected to a connecting arm (302).

4. A 3-dimethylaminopropylamine production filtration and rectification integrated device according to claim 1, characterized in that: In the middle of the upper surface of the reaction cover (4), a stirring motor (12) is fixedly connected. On the upper surface of the reaction cover (4), a raw material inlet end (13) is fixedly connected.

5. A 3-dimethylaminopropylamine production filtration and rectification integrated device according to claim 4, characterized in that: On one side of the stirring motor (12), a catalyst inlet (14) is provided. On the upper surface of the reaction cover (4), a cleaning port (15) is fixedly connected.

6. The integrated filtration and rectification equipment for the production of 3-dimethylaminopropylamine according to claim 1, wherein: The inner wall of the filtration tank (6) is fixedly connected to a filter plate (16). In front of the filtration tank (6), a decontamination bucket (17) is fixedly connected.

7. A 3-dimethylaminopropylamine production filtration and rectification integrated device according to claim 1, characterized in that: The lower surface of the fractionating tower (8) is fixedly connected to a mounting seat (18). Below one side of the fractionating tower (8), a hot gas inlet end (19) is fixedly connected.

8. A 3-dimethylaminopropylamine production filtration and rectification integrated device according to claim 1, characterized in that: One end of the reactant discharge port (9) passes through the mounting seat (18) and is arranged on the front of the mounting seat (18).

9. The integrated filtration and rectification equipment for the production of 3-dimethylaminopropylamine according to claim 1, wherein: One end of the cooler (10) is fixedly connected to an exhaust hole (20).

10. A 3-dimethylaminopropylamine production filtration and rectification integrated device according to claim 1, characterized in that: One end of the material discharge pipe (11) is fixedly connected to a reflux end (21). The reflux end (21) is fixedly connected above one side of the fractionating tower (8).

Images