Rectification device for separating isobutene and methanol from water-containing isopentenol

Abstract

The utility model discloses a rectification device for separating isobutene and methanol from water-containing isopentenol, which comprises a support structure, an isopentenol stirring device is rotatably mounted on the inner side of the support structure, and a rectification condensing device is fixedly mounted on the outer surface of one side of the isopentenol stirring device. The isopentenol stirring device is installed, the stirring direction of the tank body is opposite to that of water-containing isopentenol, so that the water-containing isopentenol can be fully heated and fully evaporated, the evaporation and rectification effect is improved, in addition, the L-shaped plate and the scraping plate are rotated while stirring, the inner wall of the tank body can be cleaned, and the water-containing isopentenol can be fully evaporated. According to the device, impurities are prevented from being mixed and adhered to the inner wall of the tank body, isobutene with a lower boiling point is evaporated out through the temperature sensor, methanol is evaporated and separated out along with the temperature rise, the methanol is vaporized into liquid through the condenser, and the condensed isobutene or methanol liquid can be cooled through layer-by-layer flowing of the arranged flow slowing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of distillation, in particular to a distillation device for separating isobutylene and methanol from water-containing isopentenyl alcohol. Background Art

[0002] Isoprenol is an organic compound, a colorless transparent liquid, and an important raw material for the production of medicines or pesticides. Its isobutylene is a colorless liquid, and methanol is a colorless, volatile liquid with an alcoholic odor. When isobutylene and methanol are mixed in aqueous isoprenol, they can be separated by distillation due to their different boiling points.

[0003] The prior art has a publication number of CN220736222U, and the technical solution disclosed in this patent document is as follows: a distillation device, including a fixed seat, the upper surface of the fixed seat is symmetrically provided with grooves, distillation boxes are provided in the grooves, limiting rings are provided near the top of the distillation boxes, filter cotton is provided on the limiting rings, a top cover is provided on the top of the distillation boxes, a storage box is provided near the right end on the upper surface of the fixed seat, an observation window is embedded on the outer wall of the distillation box, heating plates are provided in the slots, and heating rings are provided in the heating plates.

[0004] The above patent uses a heating ring to distill the distillation box, but the stationary distillation box makes the liquid distillation effect poor and the distillation efficiency low. Summary of the invention

[0005] The utility model aims to provide a distillation device for separating isobutylene and methanol from water-containing isopentenyl alcohol, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a distillation device for separating isobutylene and methanol from aqueous isopentenol, comprising a support structure, an isopentenol stirring device is rotatably installed on the inner side of the support structure, and a distillation condensing device is fixedly installed on the outer surface of one side of the isopentenol stirring device.

[0007] The isopentanol stirring device comprises a distillation tank rotating assembly, the distillation tank rotating assembly is rotatably mounted inside a support structure, and a stirring assembly is rotatably mounted inside the distillation tank rotating assembly.

[0008] The distillation condensation device comprises a steam pipe, a condenser is arranged on the outer wall of the steam pipe, a cooling box is fixedly connected to the other end of the condenser, and the cooling box is arranged outside the rotating assembly of the distillation tank.

[0009] As a further preferred embodiment of the present technical solution, the support structure includes a base, a support leg is fixedly connected to the bottom side of the base, a vertical pole is fixedly connected to the upper edge of the base, a top plate is fixedly connected to the top side of the vertical pole, and an annular slide rail is provided on the base.

[0010] As a further preferred embodiment of the present technical solution, the distillation tank rotating assembly includes a mounting frame, which is fixedly connected to the outer wall of the supporting leg, and a motor 1 is arranged in the mounting frame, and the output end of the motor 1 passes through the base through a bearing and is fixedly connected to the tank body.

[0011] As a further preferred embodiment of the present technical solution, a sliding block is fixedly connected to the bottom edge of the tank body, and the outer wall of the sliding block is slidably connected to the inner wall of the annular slide rail.

[0012] In the above technical solution, when the tank body rotates, the slider slides in the annular slide rail, thereby improving the stability of the tank body rotation.

[0013] As a further preferred embodiment of the present technical solution, a feed pipe is provided at the upper feed port on the outer surface of one side of the tank body, a discharge pipe is provided at the lower discharge port on the outer surface of one side of the tank body, a temperature sensor is provided on the top side of the inside of the tank body, a gas-liquid separation chamber is provided on the top side of the tank body, and a heating wire is wound around the internal cavity of the tank body.

[0014] As a further preferred embodiment of the present technical solution, the stirring assembly includes a second motor, which is installed on the upper inner end of the top plate, and the output end of the second motor passes through the tank body and is fixedly connected to a rotating rod, and stirring rods are arranged on the outer surface of the rotating rod, and an L-shaped plate is fixedly connected to the outer surface of the rotating rod below, and a scraper is fixedly connected to the outer side of the L-shaped plate, and the scraper is slidably connected to the inner wall of the tank body.

[0015] In the above technical scheme, the tank body and the aqueous isopentenol are stirred in opposite directions, so that the aqueous isopentenol can be fully heated and evaporated, thereby improving the effect of evaporation and distillation. In addition, the L-shaped plate and the scraper are rotated while stirring, so that the inner wall of the tank body can be cleaned, avoiding impurities from mixing into and adhering to the inner wall of the tank body, which is not conducive to subsequent cleaning of the tank body.

[0016] As a further preferred embodiment of the present technical solution, slow flow plates are staggeredly arranged on the upper part of the inner wall of the cooling box, a filter screen is arranged at the lower part of the interior of the cooling box, a sealing door is arranged on the outer surface of the cooling box and next to the filter screen, a collecting box is arranged on the bottom side of the interior of the cooling box, and a discharge pipe is arranged on the outer side of the collecting box and extends to the outside of the cooling box.

[0017] In the above technical solution, the slow flow plate can cool the condensed isobutylene or methanol liquid through layer-by-layer flow, and the filter screen can filter impurities from the liquid to improve the purity after separation.

[0018] The utility model provides a distillation device for separating isobutylene and methanol from aqueous isopentenol, which has the following beneficial effects:

[0019] (1) The utility model installs an isopentanol stirring device, and the distillation tank rotating assembly is arranged to rotate the tank body, and the aqueous isopentanol inside is stirred by the stirring assembly. The tank body and the aqueous isopentanol are stirred in opposite directions, so that the aqueous isopentanol can be fully heated and evaporated, thereby improving the effect of evaporation and distillation. In addition, while stirring, the L-shaped plate and the scraper are rotated, thereby cleaning the inner wall of the tank body, preventing impurities from mixing into and adhering to the inner wall of the tank body, which is not conducive to the subsequent cleaning of the tank body.

[0020] (2) The utility model uses a temperature sensor to make isobutylene with a lower boiling point evaporate first, and as the temperature rises, methanol evaporates and separates, and is vaporized into liquid through a condenser. The slow flow plate provided can cool the condensed isobutylene or methanol liquid through layer-by-layer flow, and the filter net provided can filter impurities from the liquid to improve the purity after separation, and collect the impurities in the liquid in a collection box for easy discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the stirring assembly of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the rotating assembly of the rectification tank of the utility model;

[0024] Figure 4 It is an enlarged view of Figure A of the utility model;

[0025] Figure 5 It is an enlarged view of Figure B of the present utility model;

[0026] In the figure: 1. support structure; 2. isopentanol stirring device; 3. distillation condensation device; 11. base; 111. annular slide rail; 12. support leg; 13. upright pole; 14. top plate; 21. distillation tank rotating assembly; 22. stirring assembly; 211. motor 1; 212. mounting frame; 213. tank body; 214. slider; 2131. feed pipe; 2132. discharge pipe; 2133. temperature sensor; 2134. gas-liquid separation chamber; 2135. heating wire; 221. motor 2; 222. rotating rod; 223. stirring rod; 224. L-shaped plate; 225. scraper; 31. steam pipe; 32. condenser; 33. cooling box; 331. slow flow plate; 332. filter screen; 333. sealing door; 334. collecting box; 335. discharge pipe. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] The utility model provides a technical solution: Figure 1 and Figure 3 As shown, in this embodiment, a distillation device for separating isobutylene and methanol from aqueous isopentanol comprises a support structure 1, an isopentanol stirring device 2 is rotatably mounted on the inner side of the support structure 1, a distillation condensing device 3 is fixedly mounted on the outer surface of one side of the isopentanol stirring device 2, the support structure 1 comprises a base 11, a support leg 12 is fixedly connected to the bottom side of the base 11, a vertical rod 13 is fixedly connected to the upper edge of the base 11, a top plate 14 is fixedly connected to the top side of the vertical rod 13, and an annular slide rail 111 is provided on the base 11.

[0029] like Figure 2 , Figure 3 and Figure 4As shown, the isopentanol stirring device 2 includes a distillation tank rotating assembly 21, which is rotatably mounted inside the support structure 1, and a stirring assembly 22 is rotatably mounted inside the distillation tank rotating assembly 21. The distillation tank rotating assembly 21 includes a mounting frame 212, and the mounting frame 212 is fixedly connected to the outer wall of the support leg 12. A motor 211 is arranged in the mounting frame 212. The output end of the motor 211 passes through the base 11 through a bearing and is fixedly connected to a tank body 213. The bottom edge of the tank body 213 is fixedly connected to a slider 2 14, the outer wall of the slider 214 is slidably connected with the inner wall of the annular slide rail 111, and when the tank body 213 rotates, the slider 214 slides in the annular slide rail 111, thereby improving the stability of the rotation of the tank body 213, a feed pipe 2131 is provided at the upper feed port of the outer surface of one side of the tank body 213, a discharge pipe 2132 is provided at the lower discharge port of the outer surface of one side of the tank body 213, a temperature sensor 2133 is provided on the top side of the tank body 213, a gas-liquid separation chamber 2134 is provided on the top side of the tank body 213, and the internal cavity of the tank body 213 The body is wrapped with a heating wire 2135, the stirring assembly 22 includes a motor 221, the motor 221 is installed at the upper end of the top plate 14, the output end of the motor 221 passes through the tank body 213 and is fixedly connected to a rotating rod 222, the outer surface of the rotating rod 222 is arranged with stirring rods 223, the outer surface below the rotating rod 222 is fixedly connected to an L-shaped plate 224, the outer side of the L-shaped plate 224 is fixedly connected to a scraper 225, the scraper 225 is slidably connected to the inner wall of the tank body 213, and the isopentenol stirring device 2 is installed to set the precision The distillation tank rotating component 21 causes the tank body 213 to rotate, and the aqueous isopentenol inside is stirred by the stirring component 22, and the tank body 213 is stirred in the opposite direction to the aqueous isopentenol, so that the aqueous isopentenol can be fully heated and evaporated, thereby improving the effect of evaporation and distillation. In addition, while stirring, the L-shaped plate 224 and the scraper 225 are rotated, thereby cleaning the inner wall of the tank body 213 to prevent impurities from mixing into and adhering to the inner wall of the tank body 213, which is not conducive to the subsequent cleaning of the tank body 213.

[0030] like Figure 2 and Figure 5As shown, the distillation condensation device 3 includes a steam pipe 31, a condenser 32 is arranged on the outer wall of the steam pipe 31, and a cooling box 33 is fixedly connected to the other end of the condenser 32. The cooling box 33 is arranged on the outer side of the distillation tank rotating assembly 21, and slow flow plates 331 are staggered on the upper part of the inner wall of the cooling box 33. A filter screen 332 is arranged at the lower part of the cooling box 33. A sealing door 333 is arranged on the outer surface of the cooling box 33 and is located next to the filter screen 332. A collecting box 334 is arranged on the bottom side of the cooling box 33. The collecting box 334 is provided with a collecting box 334. A discharge pipe 335 is provided on the outside of 34 and extends to the outside of the cooling box 33. The isobutylene with a lower boiling point is evaporated first through the temperature sensor 2133. As the temperature rises, the methanol is evaporated and separated, and is vaporized into liquid through the condenser 32. The slow flow plate 331 is set to cool the condensed isobutylene or methanol liquid through layer-by-layer flow. The filter net 332 is set to filter impurities from the liquid to improve the purity after separation, and collect it in the collection box 334 for easy discharge.

[0031] The utility model provides a distillation device for separating isobutylene and methanol from aqueous isopentenol. The specific working principle is as follows: the aqueous isopentenol is injected into the tank body 213 through the feed pipe 2131. Since the boiling point of isobutylene is about -6.3°C, the isobutylene is first separated from the liquid according to the set temperature sensor 2133, and the evaporated gas enters the steam pipe 31 through the gas-liquid separation chamber 2134, and is vaporized into liquid through the condenser 32. The separated liquid is cooled layer by layer through the slow flow plate 331, and is further filtered through the set filter screen 332 until it is collected in the collection box 334, and is discharged through the discharge pipe 335; when the temperature reaches the boiling point of methanol 64.8°C, the methanol is evaporated and vaporized, and is also vaporized into liquid through the condenser 32, and is collected in the empty collection box 334;

[0032] During the distillation process, the motor 1 211 can be started to drive the tank body 213 to rotate, and the slider 214 can slide in the annular slide rail 111, and the motor 221 can be started to drive the rotating rod 222 to rotate, and the liquid can be stirred by the stirring rod 223, so that the stirring directions of the tank body 213 and the liquid are opposite, thereby improving the heating evaporation effect.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A distillation device for separating isobutylene and methanol from aqueous isopentenyl alcohol, comprising a support structure (1), characterized in that: An isopentanol stirring device (2) is rotatably mounted on the inner side of the support structure (1), and a distillation and condensation device (3) is fixedly mounted on the outer surface of one side of the isopentanol stirring device (2); The isopentanol stirring device (2) comprises a distillation tank rotating assembly (21), wherein the distillation tank rotating assembly (21) is rotatably mounted inside the support structure (1), and a stirring assembly (22) is rotatably mounted inside the distillation tank rotating assembly (21); The rectification and condensation device (3) comprises a steam pipe (31), a condenser (32) is arranged on the outer wall of the steam pipe (31), the other end of the condenser (32) is fixedly connected to a cooling box (33), and the cooling box (33) is arranged outside the rectification tank rotating assembly (21).

2. A distillation device for separating isobutylene and methanol from aqueous isopentenyl alcohol according to claim 1, characterized in that: The support structure (1) comprises a base (11), the bottom side of the base (11) is fixedly connected to a support leg (12), the upper edge of the base (11) is fixedly connected to a vertical pole (13), the top side of the vertical pole (13) is fixedly connected to a top plate (14), and the base (11) is provided with an annular slide rail (111).

3. A distillation device for separating isobutylene and methanol from aqueous isopentenyl alcohol according to claim 1, characterized in that: The distillation tank rotating assembly (21) comprises a mounting frame (212), the mounting frame (212) being fixedly connected to the outer wall of the supporting leg (12), a motor 1 (211) being arranged in the mounting frame (212), an output end of the motor 1 (211) passing through the base (11) via a bearing and being fixedly connected to the tank body (213).

4. A distillation device for separating isobutylene and methanol from aqueous isopentenyl alcohol according to claim 3, characterized in that: A sliding block (214) is fixedly connected to the bottom edge of the tank body (213), and an outer wall of the sliding block (214) is slidably connected to an inner wall of the annular sliding rail (111).

5. A distillation device for separating isobutylene and methanol from aqueous isopentenol according to claim 3, characterized in that: A feed pipe (2131) is provided at the upper feed port on the outer surface of one side of the tank body (213), a discharge pipe (2132) is provided at the lower discharge port on the outer surface of one side of the tank body (213), a temperature sensor (2133) is provided on the top side of the interior of the tank body (213), a gas-liquid separation chamber (2134) is provided on the top side of the tank body (213), and a heating wire (2135) is wound around the internal cavity of the tank body (213).

6. A distillation device for separating isobutylene and methanol from aqueous isopentenyl alcohol according to claim 1, characterized in that: The stirring assembly (22) comprises a second motor (221), wherein the second motor (221) is mounted on the upper end of the top plate (14), wherein the output end of the second motor (221) passes through the tank body (213) and is fixedly connected to a rotating rod (222), wherein stirring rods (223) are arranged on the outer surface of the rotating rod (222), wherein an L-shaped plate (224) is fixedly connected to the outer surface of the lower portion of the rotating rod (222), wherein scrapers (225) are fixedly connected to the outer sides of the L-shaped plates (224), and wherein the scrapers (225) are slidably connected to the inner wall of the tank body (213).

7. A distillation device for separating isobutylene and methanol from aqueous isopentenyl alcohol according to claim 1, characterized in that: Flow-delay plates (331) are arranged in a staggered manner above the inner wall of the cooling box (33); a filter screen (332) is arranged at the lower part of the interior of the cooling box (33); a sealing door (333) is arranged on the outer surface of the cooling box (33) and next to the filter screen (332); a collection box (334) is arranged on the bottom side of the interior of the cooling box (33); and a discharge pipe (335) is arranged on the outer side of the collection box (334) and extends to the outside of the cooling box (33).

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