Normal propyl alcohol purification and recovery device

Abstract

The utility model belongs to the technical field of chemical equipment, and particularly relates to an n-propyl alcohol purification and recovery device which is characterized in that a liquid inlet pipe is arranged at one end of a distillation retort, a plurality of zeolite molecular sieves are fixedly arranged on the inner wall of the distillation retort, a condensing box is arranged above the distillation retort, a condensing component is arranged in the condensing box, and a stirring component is arranged in the distillation retort; when the normal propyl alcohol is dehydrated and purified, the normal propyl alcohol introduced into the distillation tank is heated and distilled through the heating wire on the stirring assembly, so that the normal propyl alcohol is boiled, the normal propyl alcohol can be heated more uniformly through the stirring assembly, normal propyl alcohol steam rises to the zeolite molecular sieve, and the normal propyl alcohol can be dehydrated and purified through the characteristics of high adsorption capacity, strong selectivity and high temperature resistance of the zeolite molecular sieve. According to the normal propyl alcohol vapor adsorption device, water vapor in normal propyl alcohol vapor can be adsorbed, then the normal propyl alcohol vapor is dehydrated through the zeolite molecular sieve and then passes through the condensation assembly in the condensation box, the hot normal propyl alcohol vapor is condensed into a liquid state, collection is convenient, the normal propyl alcohol vapor cannot cause thermal pollution to the environment, and a certain protection effect on the environment is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to chemical equipment technical field especially, relate to a n-propanol purification recovery device. BACKGROUND

[0002] N-propanol, also known as 1-propanol, propanol, molecular formula is CH3CH2CH2OH (C3H7OH), molecular weight is 60.10, has like ethanol smell colorless transparent liquid, dissolves in water, ethanol, diethyl ether, is synthesized from ethylene carbonyl and gets propionaldehyde, and then is reduced and gets, is mainly used as solvent, such as is used in ink, also can replace the lower boiling point ethanol and is used as solvent, and in the solvent of polyamide ink of printing and dyeing plastic film, has the special effect. Also be used in chromatography, as intermediate, mainly used for making n-propylamine, propyl ester, propionamide etc. At present, the method of n-propanol dehydration and purification mainly includes constant boiling distillation, extractive distillation, pervaporation membrane separation and distillation etc. The existing n-propanol dehydration device has low condensation efficiency to n-propanol vapor, and the purification effect is influenced. SUMMARY

[0003] The utility model aims at the above -mentioned technical problem, provides a n-propanol purification recovery device to solve the problem in the above -mentioned background art.

[0004] Therefore, the utility model provides a n-propanol purification recovery device, a plurality of zeolite molecular sieves are fixedly arranged on the inner wall of the distillation tank,

[0005] Condensing box, the condensing box is arranged above the distillation tank, and the condensing assembly is arranged in the condensing box;

[0006] Stirring assembly, the stirring assembly is arranged in the distillation tank.

[0007] In the above technical scheme, further, the condensing assembly includes:

[0008] Condensing coil, the condensing coil includes a first spiral coil, the first spiral coil is spirally wound by a pipe body in a first horizontal plane, and one end of the first spiral coil is connected with an inlet pipe, and the inlet pipe is communicated to the inside of the distillation tank.

[0009] Fan, the fan is arranged above the condensing coil.

[0010] In the above technical scheme, further, the condensing coil further includes a second spiral coil, the second spiral coil is spirally wound by a pipe body in a first horizontal plane, and one end of the first spiral coil is connected with an inlet pipe, and the inlet pipe is communicated to the inside of the distillation tank.

[0011] In the technical scheme, further, the condensing coil further comprises a third spiral coil, the third spiral coil is formed by continuously winding a pipe body at a second horizontal plane and then spirally winding the pipe body after extending to a third horizontal plane, the third spiral coil is located below the second spiral coil, and one end of the third spiral coil is connected with an outlet pipe.

[0012] In the technical scheme, further, the fan is an axial flow type cooling fan.

[0013] In the technical scheme, further, the stirring assembly comprises:

[0014] The rotating motor is fixedly arranged at the bottom of the distillation tank.

[0015] The rotating motor is fixedly arranged at the bottom of the distillation tank.

[0016] The rotating motor is fixedly arranged at the bottom of the distillation tank.

[0017] The rotating motor is fixedly arranged at the bottom of the distillation tank.

[0018] The rotating motor is fixedly arranged at the bottom of the distillation tank.

[0019] In the technical scheme, further, the first stirring blade and the second stirring blade are both provided with heating wires.

[0020] In the technical scheme, further, the condensing tank is detachably arranged on the distillation tank, and the condensing coil and the fan are arranged in the condensing tank.

[0021] In the technical scheme, further, the distillation tank is fixedly connected with a collecting tank, and the outlet pipe is connected to the collecting tank and communicates with the collecting tank.

[0022] The utility model discloses a n-propyl alcohol distillation device, which has the advantages that:

[0023] 1. After n-propyl alcohol vapor is dehydrated by a zeolite molecular sieve, the hot n-propyl alcohol vapor is condensed into liquid state by a condensing assembly in a condensing tank, so that the n-propyl alcohol vapor is conveniently collected and environmental heat pollution is avoided, and the environment is protected.

[0024] 2. A stirring assembly is arranged in the distillation tank, and when n-propyl alcohol is dehydrated and purified, the n-propyl alcohol introduced into the distillation tank is heated and distilled by heating wires on the stirring assembly, so that the n-propyl alcohol is boiled, and the n-propyl alcohol is heated more uniformly by the stirring assembly.

[0025] 3. The n-propyl alcohol vapor rises to the zeolite molecular sieve, which has high adsorption capacity, high selectivity and high temperature resistance. DRAWINGS

[0026] Figure 1 is a structural schematic view of the utility model;

[0027] Figure 2 is a structural schematic view of the utility model;

[0028] Figure 3 is a structural schematic view of the utility model;

[0029] Figure 4 is a structural schematic view of the utility model;

[0030] The figure mark is: 1-distillation jar, 2-zeolite molecular sieve, 3-condensing box, 4-condensing coil, 5-first spiral coil, 6-inlet pipe, 7-fan, 8-second spiral coil, 9-outlet pipe, 10-rotary motor, 11-rotary rod, 12-first stirring vane, 13-stirring frame, 14-second stirring vane, 15-third spiral coil, 16-collecting jar. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0032] Embodiment 1:

[0033] The embodiment provides a n-propanol purification and recovery device, which comprises:

[0034] A distillation jar 1, a plurality of zeolite molecular sieves 2 are fixedly arranged on the inner wall of the distillation jar 1.

[0035] A condensing box 3, a condensing box 3 is arranged above the distillation jar 1, and a condensing assembly is arranged in the condensing box 3.

[0036] A stirring assembly, a stirring assembly is arranged in the distillation jar 1.

[0037] The embodiment can be seen that the distillation tank 1 side wall is provided with a liquid inlet pipe, the distillation tank 1 bottom is provided with a liquid outlet pipe and a supporting foot, the distillation tank 1 inner wall is fixedly provided with a plurality of zeolite molecular sieves 2, the distillation tank 1 upper portion is provided with a condensation box 3, the condensation box 3 is provided with a condensation assembly, the distillation tank 1 is provided with a stirring assembly, when the n-propanol is dehydrated and purified, the heating wire on the stirring assembly is used for heating the n-propanol entering the distillation tank 1 interior, so that the n-propanol is boiled, the stirring assembly can make the n-propanol heated more uniformly, the n-propanol steam rises to the zeolite molecular sieve 2, the zeolite molecular sieve 2 has the characteristics of high adsorption capacity, strong selectivity and high temperature resistance, can adsorb the water vapor in the n-propanol steam, then the n-propanol steam dehydrated by the zeolite molecular sieve 2 passes through the condensation assembly in the condensation box 3, the hot n-propanol steam is condensed into liquid state, which is convenient for collection, so that the n-propanol steam cannot cause heat pollution to the environment, and the environment is protected to a certain extent.

[0038] Embodiment 2:

[0039] The embodiment provides a n-propanol purification and recovery device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0040] The condensation assembly comprises:

[0041] The condensation coil 4 comprises a first spiral coil 5, the first spiral coil 5 is spirally wound by a pipe body in a first horizontal plane, one end of the first spiral coil 5 is connected with an inlet pipe 6, and the inlet pipe 6 is communicated to the inside of the distillation tank 1.

[0042] The fan 7 is arranged above the condensation coil 4.

[0043] The embodiment can be seen that the condensation assembly comprises the condensation coil 4, the condensation coil 4 comprises the first spiral coil 5, the first spiral coil 5 is spirally wound by a pipe body in a first horizontal plane, one end of the first spiral coil 5 is connected with the inlet pipe 6, and the inlet pipe 6 is communicated to the inside of the distillation tank 1, the n-propanol steam dehydrated by the zeolite molecular sieve 2 enters the first spiral coil 5 from the inlet pipe 6, the fan 7 is arranged above the condensation coil 4, and is used for driving the air outside the condensation box 3 to flow to the condensation coil 4, so that the steam in the condensation coil 4 is cooled and condensed into liquid state, which is convenient for collection, the first spiral coil 5 can extend the pipe body length in the limited space inside the condensation box 3, so that the pipe body of the first spiral coil 5 has a longer time for heat exchange with the cold air driven by the fan 7, and the steam in the pipe body is condensed into n-propanol with lower temperature.

[0044] Embodiment 3:

[0045] The embodiment provides a n-propanol purification and recovery device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0046] The condensing coil 4 further comprises a second spiral coil 8, which is formed by spirally winding the pipe body after extending to a second horizontal plane after the pipe body is continuously wound in a first horizontal plane.

[0047] The embodiment can be seen that the condensing coil 4 further comprises a second spiral coil 8, which is formed by spirally winding the pipe body after extending to a second horizontal plane after the pipe body is continuously wound in a first horizontal plane, and the second spiral coil 8 is located below the first spiral coil 5. The second spiral coil 8 is arranged to enhance the heat exchange and condensing effect.

[0048] Embodiment 4:

[0049] The embodiment provides a n-propyl alcohol purification and recovery device, which comprises the technical solutions of the above embodiments and has the following technical features.

[0050] The condensing coil 4 further comprises a third spiral coil 15, which is formed by spirally winding the pipe body after extending to a third horizontal plane after the pipe body is continuously wound in a second horizontal plane, and the third spiral coil 15 is located below the second spiral coil 8. One end of the third spiral coil 15 is connected with an outlet pipe 9.

[0051] The embodiment can be seen that the condensing coil 4 further comprises a third spiral coil 15, which is formed by spirally winding the pipe body after extending to a third horizontal plane after the pipe body is continuously wound in a second horizontal plane, and the third spiral coil 15 is located below the second spiral coil 8. One end of the third spiral coil 15 is connected with an outlet pipe 9. The third spiral coil 15 is arranged to further enhance the heat exchange and condensing effect, and the outlet pipe 9 is used to collect the n-propyl alcohol into a collection tank 16.

[0052] Embodiment 5:

[0053] The embodiment provides a n-propyl alcohol purification and recovery device, which comprises the technical solutions of the above embodiments and has the following technical features.

[0054] The fan 7 is a shaft flow type heat dissipation fan.

[0055] The embodiment can be seen that the fan 7 is a shaft flow type heat dissipation fan.

[0056] Embodiment 6:

[0057] The embodiment provides a n-propyl alcohol purification and recovery device, which comprises the technical solutions of the above embodiments and has the following technical features.

[0058] The stirring assembly comprises:

[0059] The rotating motor 10 is fixedly arranged at the bottom of the distillation tank 1.

[0060] A rotating rod 11 is fixedly connected to the output end of the rotating motor 10.

[0061] A first stirring blade 12 is arranged on the rotating rod 11.

[0062] A stirring frame 13 is fixedly arranged on the rotating rod 11.

[0063] A second stirring blade 14 is fixedly connected to the inner wall of the stirring frame 13, and the first stirring blade 12 and the second stirring blade 14 are arranged alternately.

[0064] It can be seen from the embodiment that the rotating motor 10 is started, the output end of the rotating motor 10 drives the rotating rod 11 to rotate, the rotating rod 11 rotates to drive the first stirring blade 12, the stirring frame 13 and the second stirring blade 14 on the stirring frame 13 to rotate, thereby ensuring that the n-propanol solution to be distilled is heated uniformly.

[0065] Embodiment 7:

[0066] The embodiment provides a n-propanol purification and recovery device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0067] The first stirring blade 12 and the second stirring blade 14 are both provided with heating wires.

[0068] It can be seen from the embodiment that the first stirring blade 12 and the second stirring blade 14 are both provided with heating wires, which can heat the n-propanol solution.

[0069] Embodiment 8:

[0070] The embodiment provides a n-propanol purification and recovery device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0071] The condensing box 3 is detachably installed on the distillation tank 1, and the condensing coil 4 and the fan 7 are both arranged in the condensing box 3.

[0072] It can be seen from the embodiment that the condensing box 3 is detachably installed on the distillation tank 1, and the condensing coil 4 and the fan 7 are both arranged in the condensing box 3, the inlet pipe 6 passes through the condensing box 3 and the distillation tank 1, and the condensing box 3 is provided with a dust screen on the top.

[0073] Embodiment 9:

[0074] The embodiment provides a n-propanol purification and recovery device, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0075] The distillation tank 1 is fixedly connected with a collecting tank 16 on the side wall, and the outlet pipe 9 is connected to the collecting tank 16 and communicates with the collecting tank 16.

[0076] The distillation tank 1 is fixedly connected with a collecting tank 16 on the side wall, and the outlet pipe 9 is connected to the collecting tank 16 and communicates with the collecting tank 16.

[0077] The embodiments of the present application are described above in combination with the drawings, and the embodiments and features in the embodiments can be combined with each other without conflict, the present application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, but not limited, and those skilled in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, which all belong to the protection of the present application.

Claims

1. A n-propanol purification and recovery device, characterized in that, Include: distillation tank (1), the inner wall of the distillation tank (1) is fixedly provided with a plurality of zeolite molecular sieve (2); Condenser box (3), the upper portion of the distillation tank (1) is provided with a condenser box (3), and the condenser box (3) is provided with a condensing assembly; Stirring assembly, the distillation tank (1) is provided with a stirring assembly.

2. The n-propanol purification recovery apparatus according to claim 1, wherein The condensing assembly comprises: Condensing coil (4), the condensing coil (4) comprises a first spiral coil (5), the first spiral coil (5) is spirally wound by a pipe body in a first horizontal plane, one end of the first spiral coil (5) is connected with an inlet pipe (6), and the inlet pipe (6) is communicated to the inside of the distillation tank (1); Fan (7), the fan (7) is arranged above the condensing coil (4).

3. The n-propanol purification and recovery apparatus according to claim 2, wherein The condensing coil (4) further comprises a second spiral coil (8), the second spiral coil (8) is spirally wound by a pipe body after being continuously wound in a first horizontal plane and then being spirally wound after being extended to a second horizontal plane, and the second spiral coil (8) is located below the first spiral coil (5).

4. The n-propanol purification recovery apparatus according to claim 3, wherein The condensing coil (4) further comprises a third spiral coil (15), the third spiral coil (15) is spirally wound by a pipe body after being continuously wound in a second horizontal plane and then being spirally wound after being extended to a third horizontal plane, and the third spiral coil (15) is located below the second spiral coil (8), and one end of the third spiral coil (15) is connected with an outlet pipe (9).

5. The n-propanol purification recovery apparatus according to claim 4, wherein The fan (7) is an axial flow cooling fan.

6. A n-propanol purification recovery apparatus according to claim 5, wherein The stirring assembly comprises: Rotary motor (10), the bottom of the distillation tank (1) is fixedly provided with a rotary motor (10); Rotary rod (11), the output end of the rotary motor (10) is fixedly connected with a rotary rod (11); First stirring blade (12), a plurality of first stirring blades (12) are arranged on the rotary rod (11); Stirring frame (13), the rotary rod (11) is fixedly provided with a stirring frame (13); Second stirring blade (14), a plurality of second stirring blades (14) are fixedly connected to the inner walls of the stirring frame (13) on both sides, and the first stirring blades (12) and the second stirring blades (14) are alternately arranged.

7. A n-propanol purification recovery apparatus according to claim 6, wherein The first stirring blade (12) and the second stirring blade (14) are both provided with heating wires.

8. The n-propanol purification and recovery apparatus according to claim 7, wherein The condenser box (3) is detachably mounted on the distillation tank (1), and the condensing coil (4) and the fan (7) are both arranged in the condenser box (3).

9. The n-propanol purification and recovery apparatus according to claim 8, wherein The distillation tank (1) is fixedly connected with a collecting tank (16), and the outlet pipe (9) is connected to the collecting tank (16) and communicates with the collecting tank (16).

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