Purification equipment and purification method for chromatographically pure ethanol

Abstract

The purification equipment comprises a box body, a distillation box is arranged on the inner side of the box body, an adjusting opening is formed in the upper portion of the distillation box, the outer side of the adjusting opening is connected with the box body, the adjusting opening slides in the box body, a feeding opening is formed in the upper portion of the box body, the outer side of the feeding opening is connected with the box body, the feeding opening slides in the box body, and the inner side of the adjusting opening is connected with a first pipeline; the adjusting opening slides outside the first pipeline, the lower portion of the second bifurcated pipe is connected with a second pipeline, and the lower portion of the second pipeline penetrates through the box body to be connected with an ethanol collecting box. Ethanol is heated and purified, ethanol with the mass fraction of 92.4% can be obtained through a rectification method, separation is conducted through the boiling point difference of ethanol and water in rectification, absolute ethyl alcohol is obtained through an azeotropic rectification method, and ethanol purification is achieved. Ethanol gas flowing through the first pipeline enters the two condensers in a split-flow mode through the first bifurcated pipe, the ethanol gas is subjected to split-flow condensation, the condensation effect is better, and the condensation speed is high.

Description

Technical Field

[0001] The invention relates to the field of chromatographically pure ethanol purification, and in particular to a chromatographically pure ethanol purification device and a purification method. Background Art

[0002] The existing patent (application number: 201920716009.0) proposes a production line for purifying ethanol, which includes a reaction pot, a sediment tank connected to the reaction pot, a sediment tank, a pressure box, a sediment filter, and a filter residue box; an agitator is provided in the reaction pot, and a feeding hole is provided on the reaction pot. After the alcohol raw material and air are connected to the upper end of the reaction pot and the reactant is added from the feeding hole, the agitator is started to cause the alcohol raw material, air, and reactant to undergo a chemical reaction to achieve a deodorization effect, and the wine after the chemical reaction is discharged from the bottom of the reaction pot, and the discharged wine enters the sediment tank for sedimentation and stratification; the above device is often used on large production lines and is not suitable for use in small spaces, so the structure of the above device needs to be improved. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the present invention provides a purification device and a purification method for chromatographically pure ethanol, which have a wide application range, can heat ethanol evenly, shorten the time for ethanol to reach the boiling point, thereby increasing the speed of ethanol distillation and improving the purification effect of ethanol. Alcohol vapor is split into two condensers through a No. 1 bifurcation pipe, and the ethanol vapor is split and condensed, so the condensation effect is better, the condensation speed is fast, working time is saved, and working efficiency is improved.

[0004] The purpose of the present invention is to be achieved through the following technical solutions: A purification device and a purification method for chromatographic pure ethanol, comprising a box body, a No. 1 pipeline, a No. 1 bifurcated pipe, a No. 2 pipeline, and a condenser. A distillation box is arranged inside the box body, an adjustment port is arranged at the top of the distillation box, the outer side of the adjustment port is connected to the box body, and the adjustment port slides in the box body. A feed port is arranged at the top of the box body, the outer side of the feed port is connected to the box body, and the feed port slides in the box body. The inner side of the adjustment port is connected to the No. 1 pipeline, and the adjustment port slides at the outer side of the No. 1 pipeline. The other end of the No. 1 pipeline is connected to the No. 1 bifurcated pipe, the lower part of the No. 1 bifurcated pipe is connected to two condensers, the lower part of the condenser is connected to the No. 2 bifurcated pipe, the No. 2 bifurcated pipe and the No. 1 bifurcated pipe are symmetrically arranged, the lower part of the No. 2 bifurcated pipe is connected to the No. 2 pipeline, and the lower part of the No. 2 pipeline passes through the box body and is connected to an ethanol collection box.

[0005] The ethanol collecting box of the present invention has a liquid inlet on the outside, which corresponds to the No. 2 pipeline. The outside of the ethanol collecting box is connected to the box body, and the ethanol collecting box slides in the box body. The inside of the condenser is provided with a condenser tube, the top of the condenser tube is connected to the No. 1 bifurcation tube, the bottom of the condenser tube is connected to the No. 2 bifurcation tube, the outside of the condenser is connected to the liquid inlet tube, the lower part of the liquid inlet tube is connected to the refrigerator, the lower part of the refrigerator is connected to the liquid outlet tube, and the upper part of the liquid outlet tube is connected to the condenser.

[0006] The inner side of the box body of the present invention is connected to a shaking bracket, and the top of the shaking bracket is connected to a distillation box. The shaking bracket includes a fixed support plate and an adjustment box. The outer side of the fixed support plate is connected to the box body. An isolation chamber is arranged at the lower part of the fixed support plate, and the isolation chamber is located between the fixed support plate and the ethanol collection box. The upper part of the fixed support plate has two positioning columns, and the positioning columns are symmetrically arranged. The outer side of the positioning column is connected to a No. 2 spring, and the No. 2 spring slides on the positioning column. The upper part of the No. 2 spring is connected to the adjustment box, and the inner side of the adjustment box is connected to the positioning column, and the adjustment box slides on the positioning column. The upper part of the adjustment box is connected to a No. 1 spring, and the inner side of the No. 1 spring is connected to the positioning column, and the No. 1 spring slides on the positioning column.

[0007] The outer side of the adjustment box described in the present invention is provided with two auxiliary brackets, the top of the auxiliary brackets is connected to the distillation box, the inner side of the adjustment box is connected to the adjustment shaft, the adjustment shaft rotates in the adjustment box, two auxiliary positioning sleeves are connected to the outer side of the adjustment box, the auxiliary positioning sleeves are symmetrically arranged, the inner side of the auxiliary positioning sleeves is connected to the adjustment shaft, the outer side of the auxiliary positioning sleeves is connected to the adjustment plate, the lower part of the adjustment plate is connected to the fixed support plate, the adjustment plate slides on the fixed support plate, the two ends of the adjustment shaft are connected to the box body, the adjustment shaft rotates in the box body, one end of the adjustment shaft passes through the box body to connect to the motor shaft, the other end of the adjustment shaft passes through the box body, the auxiliary positioning sleeves, the adjustment box, the auxiliary positioning sleeves are connected to the box body in sequence, the motor fixing seat is connected to the box body, the outer side of the motor is connected to the motor protective cover, and the outer side of the motor protective cover is connected to the box body. Beneficial Effects

[0008] The present invention has a small structure, occupies a small space, and has a wide range of applications. The shaking bracket drives the ethanol inside the distillation box to shake, so that the ethanol is heated evenly, shortening the time for the ethanol to reach the boiling point, thereby increasing the speed of ethanol distillation, improving the purification effect of ethanol, saving working time, and improving work efficiency.

[0009] The isolation chamber of the present invention separates the distillation box from the ethanol collection box, plays a role of heat insulation, prevents the temperature of the distillation box from being transferred to the ethanol collection box, and avoids secondary distillation of the purified ethanol in the ethanol collection box.

[0010] The ethanol gas after distillation of the present invention is split into two condensers through a first bifurcation pipe, and the ethanol gas is split and condensed, so the condensation effect is better and the condensation speed is fast, which saves working time and improves working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The present invention provides a schematic structural diagram of a purification device and a purification method for chromatographically pure ethanol.

[0012] Figure 2 The present invention provides a schematic diagram of a shaking bracket structure for a purification device and a purification method for chromatographically pure ethanol.

[0013] Figure 3 The present invention provides a schematic diagram of the structure of an adjustment plate, an adjustment shaft and an auxiliary positioning sleeve for a purification device and a purification method for chromatographically pure ethanol.

[0014] Figure 4 The present invention provides a schematic diagram of the structure of an adjustment plate and an auxiliary positioning sleeve for a purification device and a purification method for chromatographically pure ethanol.

[0015] Figure 5 The present invention provides a schematic diagram of the structure of an adjustment plate for a purification device and a purification method for chromatographically pure ethanol.

[0016] Figure 6 The present invention provides a schematic diagram of the auxiliary positioning sleeve structure of a chromatographically pure ethanol purification device and purification method.

[0017] Figure 7 The present invention provides a cross-sectional view of the structure of a purification device and a purification method for chromatographically pure ethanol. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below according to the accompanying drawings and embodiments: Embodiment 1: A purification device and a purification method for chromatographic pure ethanol, comprising a box 01, a first pipeline 02, a first bifurcated pipe 03, a second pipeline 04, and a condenser 05. A distillation box 08 is arranged inside the box 01. The distillation box 08 has an adjustment port 23 on the top, the adjustment port 23 is connected to the box 01 on the outside, and the adjustment port 23 slides inside the box 01. The box 01 has a feed port 22 on the top, the feed port 22 is connected to the box 01 on the outside, and the feed port 22 slides inside the box 01. The inner side of the regulating port 23 is connected to the No. 1 pipeline 02, and the regulating port 23 slides on the outer side of the No. 1 pipeline 02, and the other end of the No. 1 pipeline 02 is connected to the No. 1 bifurcation pipe 03, and the lower part of the No. 1 bifurcation pipe 03 is connected to two condensers 05, and the lower part of the condenser 05 is connected to the No. 2 bifurcation pipe 24, and the No. 2 bifurcation pipe 24 is symmetrically arranged with the No. 1 bifurcation pipe 03, and the lower part of the No. 2 bifurcation pipe 24 is connected to the No. 2 pipeline 04, and the lower part of the No. 2 pipeline 04 passes through the box body 01 to connect to the ethanol collection box 17.

[0019] Embodiment 2: The outer side of the ethanol collecting box 17 of the present invention is provided with a liquid inlet 25, the liquid inlet 25 corresponds to the No. 2 pipeline 04, the outer side of the ethanol collecting box 17 is connected to the box body 01, the ethanol collecting box 17 slides in the box body 01, the inner side of the condenser 05 is provided with a condenser tube 07, the top end of the condenser tube 07 is connected to the No. 1 bifurcation tube 03, the bottom end of the condenser tube 07 is connected to the No. 2 bifurcation tube 24, the outer side of the condenser 05 is connected to a liquid inlet tube 26, the lower part of the liquid inlet tube 26 is connected to a refrigerator 28, the lower part of the refrigerator 28 is connected to a liquid outlet tube 27, the upper part of the liquid outlet tube 27 is connected to the condenser 05, the ethanol vapor after distillation is diverted through the No. 1 bifurcation tube 03 and enters the two condensers 05, the ethanol vapor is diverted and condensed, the condensation effect is better, the condensation speed is fast, the working time is saved, and the working efficiency is improved.

[0020] Embodiment 3: The inner side of the box body 01 of the present invention is connected to a shaking bracket 21, and the top of the shaking bracket 21 is connected to a distillation box 08. The shaking bracket 21 includes a fixed support plate 09 and an adjusting box 10. The outer side of the fixed support plate 09 is connected to the box body 01. An isolation chamber 16 is arranged at the lower part of the fixed support plate 09. The isolation chamber 16 is located between the fixed support plate 09 and the ethanol collecting box 17. The isolation chamber 16 separates the distillation box 08 from the ethanol collecting box 17, plays a role of heat insulation, prevents the temperature of the distillation box 08 from being transferred to the ethanol collecting box 17, and avoids the secondary distillation of the purified ethanol in the ethanol collecting box 17. The upper part of the fixed support plate 09 is provided with two positioning columns 11, and the positioning columns 11 are symmetrically arranged. The outer side of the positioning column 11 is connected to a No. 2 spring 14, and the No. 2 spring 14 slides on the positioning column 11. The upper part of the No. 2 spring 14 is connected to the adjusting box 10, and the inner side of the adjusting box 10 is connected to the positioning column 11, and the adjusting box 10 slides on the positioning column 11. The upper part of the regulating box 10 is connected to a No. 1 spring 13 , the inner side of the No. 1 spring 13 is connected to a positioning column 11 , and the No. 1 spring 13 slides on the positioning column 11 .

[0021] Embodiment 4: The regulating box 10 of the present invention has two auxiliary brackets 12 on the outside, the top of the auxiliary brackets 12 is connected to the distillation box 08, the inside of the regulating box 10 is connected to the adjusting shaft 18, the adjusting shaft 18 rotates in the regulating box 10, and the outside of the regulating box 10 is connected to two auxiliary positioning sleeves 20, the auxiliary positioning sleeves 20 are symmetrically arranged, the inside of the auxiliary positioning sleeves 20 are connected to the adjusting shaft 18, and the outside of the auxiliary positioning sleeves 20 are connected to the adjusting plate 15, the lower part of the adjusting plate 15 is connected to the fixed support plate 09, the adjusting plate 15 slides on the fixed support plate 09, and the two ends of the adjusting shaft 18 are connected to the box body 01, and the adjusting shaft 18 rotates in the box body 01. The motor 19 is moved, one end of the adjusting shaft 18 passes through the box 01 and is connected to the motor shaft of the motor 19, the other end of the adjusting shaft 18 passes through the box 01, the auxiliary positioning sleeve 20, the adjusting box 10, the auxiliary positioning sleeve 20 is connected to the box 01, the motor 19 fixing seat is connected to the box 01, the outer side of the motor 19 is connected to the motor protective cover 06, the outer side of the motor protective cover 06 is connected to the box 01, the shaking bracket 21 drives the ethanol inside the distillation box 08 to shake, so that the ethanol is heated evenly, and the time for the ethanol to reach the boiling point is shortened, thereby increasing the speed of ethanol distillation, improving the purification effect of ethanol, saving working time, and improving work efficiency. A method for purifying chromatographically pure ethanol, when separating an ethanol-water mixture from a fermentation broth, ethanol is heated and purified, and ethanol with a mass fraction of 92.4% can be obtained by distillation. Distillation utilizes the difference in boiling points between ethanol and water for separation. The boiling point of ethanol is 78.4°C, and the boiling point of water is 100°C. After ethanol is heated and purified to obtain 92.4% ethanol, anhydrous ethanol is obtained by azeotropic distillation. Azeotropic distillation utilizes the added entrainer to form an azeotrope with ethanol-water, and then ethanol is heated and purified, thereby changing the boiling point to achieve separation, and obtaining ethanol with a mass fraction of 99.5%, thereby achieving ethanol purification.

[0022] Embodiment 5: Installation steps: First, open the cover on the upper part of the feed port 22, inject the ethanol to be purified into the distillation box 08, and then tighten the cover to start the distillation box 08 to heat the ethanol inside the distillation box 08. During the heating of the ethanol, the motor 19 starts to work, and the motor 19 drives the adjustment shaft 18 to rotate. During the rotation process, the adjustment shaft 18 also drives the adjustment plate 15 to rotate in a circle with the adjustment shaft 18 as the axis. When the adjustment plate 15 reaches the lowest point, it lifts up the adjustment box 10. The regulating box 10 moves upward to push the distillation box 08 upward. When the regulating plate 15 moves to the highest point, the regulating box 10 moves downward to drive the distillation box 08 to move downward. During the up and down shaking of the distillation box 08, the ethanol inside the distillation box 08 shakes inside the distillation box 08, so that the ethanol inside the distillation box 08 can be heated evenly, shortening the time for the ethanol to reach the boiling point, thereby increasing the distillation speed of the ethanol. During the ethanol distillation process, the ethanol vapor flows into the condenser 07 along the No. 1 pipeline 02 and the No. 1 branch pipe 03. When the distillation box 08 is working, the refrigerator 28 When it starts working, the coolant circulates in and out of the condenser 05 to cool the ethanol gas flowing through the condenser tube 07. The cooled ethanol gas is converted into liquid and flows into the ethanol collection box 17 along the No. 2 branch pipe 24, the No. 2 pipeline 04, and the liquid inlet 25, thereby completing the distillation and purification of ethanol. The ethanol gas flowing through the No. 1 pipeline 02 is divided into two condensers 05 through the No. 1 branch pipe 03, and the ethanol gas is divided and condensed. The condensation effect is better and the condensation speed is fast, which saves working time and improves working efficiency. The device has a small structure and occupies a small space, and has a wide range of applications.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principles of the present invention, and these improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A purification device for chromatographically pure ethanol, characterized in that : comprising a box body (01), a No. 1 pipeline (02), a No. 1 bifurcated pipe (03), a No. 2 pipeline (04), and a condenser (05); a distillation box (08) is arranged inside the box body (01); an adjusting port (23) is provided on the upper part of the distillation box (08); the adjusting port (23) is connected to the box body (01) on the outer side; the adjusting port (23) slides inside the box body (01); a feed port (22) is provided on the upper part of the box body (01); the feed port (22) is connected to the box body (01) on the outer side; the feed port (22) slides inside the box body (01); the adjusting port ( The inner side of the first pipe (02) is connected to the first pipe (02), the regulating port (23) slides on the outer side of the first pipe (02), the other end of the first pipe (02) is connected to the first bifurcated pipe (03), the lower part of the first bifurcated pipe (03) is connected to two condensers (05), the lower part of the condenser (05) is connected to the second bifurcated pipe (24), the second bifurcated pipe (24) and the first bifurcated pipe (03) are symmetrically arranged, the lower part of the second bifurcated pipe (24) is connected to the second pipe (04), and the lower part of the second pipe (04) passes through the box body (01) and is connected to the ethanol collection box (17).

2. A purification device for chromatographically pure ethanol according to claim 1, characterized in that The ethanol collection box (17) has a liquid inlet (25) on the outside, the liquid inlet (25) corresponds to the No. 2 pipeline (04), the outside of the ethanol collection box (17) is connected to the box body (01), the ethanol collection box (17) slides in the box body (01), the inside of the condenser (05) has a condenser (07), the top of the condenser (07) is connected to the No. 1 bifurcated pipe (03), the bottom of the condenser (07) is connected to the No. 2 bifurcated pipe (24), the outside of the condenser (05) is connected to the liquid inlet pipe (26), the lower part of the liquid inlet pipe (26) is connected to the refrigerator (28), the lower part of the refrigerator (28) is connected to the liquid outlet pipe (27), and the upper part of the liquid outlet pipe (27) is connected to the condenser (05).

3. A purification device for chromatographically pure ethanol according to claim 2, characterized in that The inner side of the box body (01) is connected to a shaking bracket (21), and the top of the shaking bracket (21) is connected to a distillation box (08). The shaking bracket (21) comprises a fixed support plate (09) and an adjustment box (10). The outer side of the fixed support plate (09) is connected to the box body (01). An isolation chamber (16) is arranged at the lower part of the fixed support plate (09). The isolation chamber (16) is located between the fixed support plate (09) and the ethanol collection box (17). The upper part of the fixed support plate (09) has two positioning columns (11). The positioning columns (11) are symmetrically arranged. The outer side of the positioning columns (11) is connected to a second spring (14). The second spring (14) slides on the positioning columns (11). The upper part of the second spring (14) is connected to the adjustment box (10). The inner side of the adjustment box (10) is connected to the positioning columns (11). The adjustment box (10) slides on the positioning columns (11). The upper part of the regulating box (10) is connected to a No. 1 spring (13), the inner side of the No. 1 spring (13) is connected to a positioning column (11), and the No. 1 spring (13) slides on the positioning column (11).

4. A purification device for chromatographically pure ethanol according to claim 3, characterized in that The regulating box (10) has two auxiliary brackets (12) on the outside, the top of the auxiliary brackets (12) is connected to the distillation box (08), the inside of the regulating box (10) is connected to the regulating shaft (18), the regulating shaft (18) rotates in the regulating box (10), the outside of the regulating box (10) is connected to two auxiliary positioning sleeves (20), the auxiliary positioning sleeves (20) are symmetrically arranged, the inside of the auxiliary positioning sleeves (20) is connected to the regulating shaft (18), the outside of the auxiliary positioning sleeves (20) is connected to the regulating plate (15), the lower part of the regulating plate (15) is connected to the fixed support plate (09), and the regulating plate (15) is fixed on the fixed support plate The fixed support plate (09) slides, and both ends of the adjusting shaft (18) are connected to the box body (01). The adjusting shaft (18) rotates in the box body (01). One end of the adjusting shaft (18) passes through the box body (01) and is connected to the motor shaft of the motor (19). The other end of the adjusting shaft (18) passes through the box body (01), the auxiliary positioning sleeve (20), the adjusting box (10), and the auxiliary positioning sleeve (20) in sequence to connect to the box body (01). The motor (19) fixing seat is connected to the box body (01). The outer side of the motor (19) is connected to the motor protective cover (06), and the outer side of the motor protective cover (06) is connected to the box body (01).

5. A purification method for a chromatographically pure ethanol purification device, characterized in that : Includes the following steps: The first step is to open the cover on the upper part of the feed inlet, inject the ethanol to be purified into the distillation box, and then tighten the cover to start the distillation box to heat the ethanol inside the distillation box. The second step is that during the heating of the ethanol, the motor starts to work, and the motor drives the adjustment shaft to rotate. During the rotation, the adjustment shaft also drives the adjustment plate to rotate in a circle with the adjustment shaft as the axis. When the adjustment plate reaches the lowest point, it lifts up the adjustment box, and the adjustment box moves upward to push the distillation box upward. When the adjustment plate moves to the highest point, the adjustment box moves downward, driving the distillation box to move downward. During the up and down shaking of the distillation box, the ethanol inside the distillation box shakes in the distillation box, so that the distillation box The ethanol inside can be heated evenly, shortening the time for ethanol to reach the boiling point, thereby increasing the distillation rate of ethanol. During the ethanol distillation process, ethanol vapor flows into the condenser along the No. 1 pipe and the No. 1 branch pipe. When the distillation box is working, the refrigerator starts working at the same time, circulating the coolant in and out of the condenser to cool the ethanol vapor flowing through the condenser. The cooled ethanol vapor is converted into liquid and flows into the ethanol collection box along the No. 2 branch pipe, the No. 2 pipe, and the liquid inlet, thereby completing the distillation and purification of ethanol. The ethanol gas flowing through the No. 1 pipe is split into two condensers through the No. 1 branch pipe, and the ethanol vapor is split and condensed, with better condensation effect and faster condensation speed.

Images