CN210698863U

CN210698863U - Distillation plant is used in alcohol production

Info

Publication number: CN210698863U
Application number: CN201921533235.1U
Authority: CN
Inventors: 周延红; 文红军; 杨晓明; 张寅�
Original assignee: MENGZHOU HUAXING CO Ltd
Current assignee: MENGZHOU HUAXING CO Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-09
Anticipated expiration: 2029-09-16

Abstract

The utility model relates to an alcohol production technical field specifically is a distillation plant is used in alcohol production, including stills, stills's top is equipped with the rectifying column through the output pipe connection, and outside one side of rectifying column is equipped with first recovery tower, and passes through the pipe connection between the two, and outside one side of first recovery tower is equipped with thick tower, and passes through the pipe connection between the two, and outside one side of thick tower is equipped with the dilution tower, and passes through the pipe connection between the two, and outside one side of dilution tower is equipped with the methanol removal tower, and beneficial effect is: this practicality is provided with the heating cabinet in stills's the outside, is provided with the steam pipe in stills's inside, and the two all is used for constant temperature heating stills, ensures that stills's inside temperature is a little more than the alcohol boiling all the time, compares traditional technique, and the utility model discloses a distillation speed is faster, and can not cause the condition that stills inside temperature is neglected to hang down, avoids distilling away other liquid along with alcohol together, is favorable to subsequent rectification operation.

Description

Distillation plant is used in alcohol production

Technical Field

The utility model relates to an alcohol production technical field specifically is a distillation plant is used in alcohol production.

Background

The alcohol has a chemical name of ethanol, is widely used for producing acetic acid, beverages, essence, dye, fuel and the like, is also commonly used as a disinfectant in medical treatment by using 70-75% volume fraction alcohol, and has wide application in national defense chemical industry, medical treatment and health, food industry and industrial and agricultural production, so that distillation equipment and distillation technology for producing alcohol are particularly important. Most of the existing alcohol distillation equipment is a five-tower distillation process consisting of a rectifying tower, a recovery tower, a crude tower, a diluting tower and a methanol removing tower, but the five-tower distillation process has relatively low energy consumption and alcohol purification rate and cannot adapt to the increasing process requirements. In addition, among the current distillation process, condensing equipment and stills equipment all have a great deal of defect, and wherein condensing equipment's cooling efficiency is low, can't turn into alcohol liquid with alcohol steam fast, and stills are inside through the electrothermal tube heating mixing liquid, the temperature that mixing liquid appears easily is far above the condition of alcohol boiling point to also distill away a large amount of non-alcohol liquid in the lump, cause the rectification difficulty, for this, the utility model provides a distillation plant is used for solving above-mentioned problem for alcohol production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an alcohol production is with distillation plant to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a distillation device for alcohol production comprises a distillation still, wherein the top end of the distillation still is provided with a rectifying tower through an output pipeline, one side of the outside of the rectifying tower is provided with a first recovery tower, the two rectifying towers are connected through a pipeline, one side of the outside of the first recovery tower is provided with a crude tower, the two rectifying towers are connected through a pipeline, one side of the outside of the crude tower is provided with a dilution tower, the two rectifying towers are connected through a pipeline, one side of the outside of the dilution tower is provided with a methanol removing tower, the two rectifying towers are connected through a pipeline, one side of the outside of the methanol removing tower is provided with a refining tower, the two rectifying towers are connected through a pipeline, one side of the outside of the refining tower is provided with a second recovery tower, the two rectifying towers are connected through a pipeline, the top of the second recovery tower is provided with a first air outlet pipeline, and the end connection of the first air outlet pipeline is provided with a condensing device, the end connection of the condensing device is provided with a second air outlet pipeline, and the end connection of the second air outlet pipeline is provided with a storage tank.

Preferably, both ends are equipped with intake pipe and outlet duct respectively about condensing equipment, and condensing equipment's upper and lower both sides are equipped with water inlet and delivery port respectively, and condensing equipment's the inside left and right sides all is equipped with the gas collection cavity, and evenly is provided with the condenser pipe between two gas collection cavities, the quantity of condenser pipe is a plurality of, and the both ends of condenser pipe respectively with two gas collection cavity welded fastening.

Preferably, the gas collection cavity is of a disc-shaped hollow structure, the outer side walls of the gas collection cavity are provided with air vents, the inner ends of the gas inlet pipe and the gas outlet pipe extend to the inner sides of the two air vents respectively, and the outer sides of the gas inlet pipe and the gas outlet pipe are tightly attached to the inner sides of the air vents.

Preferably, stills's bottom is equipped with the heating cabinet, and stills's outside one side is equipped with the vacuum pump, runs through on stills's the lateral wall and is provided with gas outlet and inlet pipe, welded fastening between heating cabinet and the stills, and the inside of heating cabinet is equipped with the electrothermal tube, be connected through gas transmission pipeline between vacuum pump and the gas outlet, the inner of inlet pipe is located the stills, and the outer end of inlet pipe runs through the lateral wall of heating cabinet and extends to the outside of heating cabinet.

Preferably, the inside of stills is equipped with the steam pipe, the steam pipe is the heliciform, and its tip runs through stills's lateral wall and extends to stills's the outside, the gas outlet has been seted up on the top of heating cabinet, and the gas outlet tip passes through bolted connection with the outer end of steam pipe fixedly.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the condensing device is internally provided with the two gas collecting cavities and the plurality of condensing pipes, the number of the condensing pipes is a plurality, and the arrangement fully increases the contact area of the alcohol vapor and the cooling water, so that compared with the traditional technology, the condensing device greatly improves the condensation rate of the alcohol, and saves the time for converting the alcohol vapor into the alcohol liquid;

2. this practicality is provided with the heating cabinet in stills's the outside, is provided with the steam pipe in stills's inside, and the two all is used for constant temperature heating stills, ensures that stills's inside temperature is a little more than the alcohol boiling all the time, compares traditional technique, and the utility model discloses a distillation speed is faster, and can not cause the condition that stills inside temperature is neglected to hang down, avoids distilling away other liquid along with alcohol together, is favorable to subsequent rectification operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the condensing unit of the present invention;

fig. 3 is a schematic structural view of the distillation still of the present invention.

In the figure: the system comprises a distillation still 1, a rectifying tower 2, a first recovery tower 3, a crude tower 4, a diluting tower 5, a methanol removing tower 6, a methanol removing tower 7, a refining tower 8, a second recovery tower 9, a condensing device 10, a storage tank 11, an air inlet pipe 12, an air outlet pipe 13, a water inlet 14, a water outlet 15, a gas collection cavity 16, a condensing pipe 17, a heating box 18, a vacuum pump 20, a gas outlet 21, a feeding pipe 22 and a steam pipe 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a distillation device for alcohol production comprises a distillation still 1, wherein the top end of the distillation still 1 is provided with a rectifying tower 2 through an output pipeline connection, one side of the outside of the rectifying tower 2 is provided with a first recovery tower 3 which is connected with the first recovery tower through a pipeline, one side of the outside of the first recovery tower 3 is provided with a crude tower 4 which is connected with the crude tower 4 through a pipeline, one side of the outside of the crude tower 4 is provided with a diluting tower 5 which is connected with the crude tower 4 through a pipeline, one side of the outside of the diluting tower 5 is provided with a methanol removing tower 6 which is connected with the methanol removing tower 6 through a pipeline, one side of the outside of the methanol removing tower 6 is provided with a methanol removing tower 7 which is connected with the methanol removing tower 7 through a pipeline, one side of the outside of the methanol removing tower 7 is provided with a refining tower 8 which is connected with the methanol removing tower 8 through a pipeline, one side of the outside of the refining tower 8 is provided with, and the end connection of first pipeline of giving vent to anger is equipped with condensing equipment 10, and the end connection of condensing equipment 10 is equipped with the second pipeline of giving vent to anger, and the end connection of the second pipeline of giving vent to anger is equipped with holding vessel 11, and the relation of connection between the concrete structure is as shown in figure 1, and wherein the gas outlet of stills 1 is connected with the air inlet of rectifying column 2, and the gas outlet at rectifying column 2 top is connected with the air inlet of first recovery tower 3 bottoms, analogizes in proper order, and finally liquid after the steam cooling gets into inside holding vessel 11.

Both ends are equipped with intake pipe 12 and outlet duct 13 respectively about condensing equipment 10, the upper and lower both sides of condensing equipment 10 are equipped with water inlet 14 and delivery port 15 respectively, the inside left and right sides of condensing equipment 10 all is equipped with gas collection cavity 16, and evenly be provided with condenser pipe 17 between two gas collection cavities 16, the quantity of condenser pipe 17 is a plurality of, and the both ends of condenser pipe 17 respectively with two gas collection cavities 16 welded fastening, concrete structure is as shown in fig. 2, condenser pipe 17 and two gas collection cavities 16 constitute an overall structure promptly, this overall structure fixed mounting is in the inside of condensing equipment 10, water inlet 14 and delivery port 15 are located the upper and lower both sides of condensing equipment 10 respectively, be used for supplying water to the inside of condensing equipment 10 in real time.

The gas collection cavity 16 is a disc-shaped hollow structure, the outer side wall of the gas collection cavity is provided with gas vents, the inner ends of the gas inlet pipe 12 and the gas outlet pipe 13 extend to the inner sides of the two gas vents respectively, the outer sides of the gas inlet pipe 12 and the gas outlet pipe 13 are tightly attached to the inner sides of the gas vents, namely, the gas inlet pipe 12 is communicated with the gas collection cavity 16 on the left side, the gas outlet pipe 13 is communicated with the gas collection cavity 16 on the right side, steam enters from the gas inlet pipe 12, and finally cooled liquid flows out from the.

The bottom of stills 1 is equipped with heating cabinet 18, outside one side of stills 1 is equipped with vacuum pump 20, it is provided with gas outlet 21 and inlet pipe 22 to run through on the lateral wall of stills 1, welded fastening between heating cabinet 18 and stills 1, and the inside of heating cabinet 18 is equipped with the electrothermal tube, be connected through gas transmission pipeline between vacuum pump 20 and the gas outlet 21, the inner of inlet pipe 22 is located stills 1, the outer end of inlet pipe 22 runs through the lateral wall of heating cabinet 18 and extends to the outside of heating cabinet 18, vacuum pump 20 can take out the inside of stills 1 vacuum, and the liquid boiling point under the vacuum state is lower, alcohol more easily reaches the boiling state, the inside of heating cabinet 18 is used for filling the solution that the boiling point is slightly higher than alcohol, be used for guaranteeing that the inside temperature of stills 1 is moderate slightly higher than.

The inside of stills 1 is equipped with steam pipe 23, and steam pipe 23 is the heliciform, and its tip runs through stills 1's lateral wall and extends to stills 1's the outside, and the gas outlet has been seted up on the top of heating cabinet 18, and the gas outlet tip passes through bolted connection with the outer end of steam pipe 23 and fixes, and after the inside solution boiling of heating cabinet 18 promptly, steam will get into in the steam pipe 23 for the inside solution of even heating stills 1.

The working principle is as follows: the utility model discloses during the use, in the mixed liquid that will contain the alcohol lets in stills 1, after stills 1's preliminary distillation, steam gets into rectifying column 2 along gas transmission pipeline, then in proper order through first recovery tower 3, thick tower 4, dilution tower 5, remove the methanol column 6, remove the methanol column 7, refined tower 8 and second recovery tower 9 again, get into condensing equipment 10 from the top of second recovery tower 9 at last, after the condensation, alcohol steam becomes in alcohol liquid gets into holding vessel 11. Wherein, two gas collecting cavities 16 and a plurality of condensing pipes 17 are arranged in the condensing device 10, and the arrangement of the condensing pipes 17 fully increases the contact area of the steam and the cooling water, and improves the cooling rate of the alcohol steam. The outside of stills 1 is provided with heating cabinet 18, and the inside of stills 1 is provided with steam pipe 23, and outside one side of stills 1 is provided with vacuum pump 19, and wherein vacuum pump 19's effect is to take out the vacuum with the inside of stills 1, reduces the boiling point of alcohol, makes it reach boiling state faster, improves the distillation rate. The inside of the heating tank 18 is filled with a solution having a boiling point slightly higher than that of alcohol, and is used to ensure that the internal temperature of the still 1 is always slightly higher than the boiling point of alcohol. The steam pipe 23 is used for collecting steam generated by boiling the solution, and plays a role in uniform heating, so that the internal temperature of the distillation kettle 1 is uniformly distributed.

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

Claims

1. The utility model provides a distillation plant is used in alcohol production, includes stills (1), its characterized in that: the top end of the distillation kettle (1) is connected with a rectifying tower (2) through an output pipeline, one side of the outside of the rectifying tower (2) is provided with a first recovery tower (3), the two rectifying towers are connected through a pipeline, one side of the outside of the first recovery tower (3) is provided with a crude tower (4), the two rectifying towers are connected through a pipeline, one side of the outside of the crude tower (4) is provided with a diluting tower (5), the two rectifying towers are connected through a pipeline, one side of the outside of the diluting tower (5) is provided with a methanol removing tower (6), the two rectifying towers are connected through a pipeline, one side of the outside of the methanol removing tower (6) is provided with a methanol removing tower (7), the two rectifying towers are connected through a pipeline, one side of the outside of the methanol removing tower (7) is provided with a refining tower (8), the two rectifying towers are connected through a pipeline, one side of the outside of the refining tower (8) is, and the two are connected through a pipeline, a first air outlet pipeline is arranged at the top of the second recovery tower (9), a condensing device (10) is arranged at the end part of the first air outlet pipeline, a second air outlet pipeline is arranged at the end part of the condensing device (10), and a storage tank (11) is arranged at the end part of the second air outlet pipeline.

2. The distillation apparatus for alcohol production according to claim 1, wherein: the condensing unit is characterized in that an air inlet pipe (12) and an air outlet pipe (13) are respectively arranged at the left end and the right end of the condensing unit (10), a water inlet (14) and a water outlet (15) are respectively arranged at the upper side and the lower side of the condensing unit (10), gas collection cavities (16) are respectively arranged at the left side and the right side of the inside of the condensing unit (10), a condensing pipe (17) is uniformly arranged between the two gas collection cavities (16), the number of the condensing pipes (17) is multiple, and the two ends of the condensing pipe (17) are respectively welded and fixed with the two gas collection cavities (16).

3. The distillation apparatus for alcohol production according to claim 2, wherein: the gas collection cavity (16) is of a disc-shaped hollow structure, air vents are formed in the outer side wall of the gas collection cavity, the inner ends of the gas inlet pipe (12) and the gas outlet pipe (13) extend to the inner sides of the two air vents respectively, and the outer sides of the gas inlet pipe (12) and the gas outlet pipe (13) are tightly attached to the inner sides of the air vents.

4. The distillation apparatus for alcohol production according to claim 1, wherein: the bottom of stills (1) is equipped with heating cabinet (18), and outside one side of stills (1) is equipped with vacuum pump (20), runs through on the lateral wall of stills (1) and is provided with gas outlet (21) and inlet pipe (22), welded fastening between heating cabinet (18) and stills (1), and the inside of heating cabinet (18) is equipped with the electrothermal tube, be connected through the gas transmission pipeline between vacuum pump (20) and gas outlet (21), the inner of inlet pipe (22) is located stills (1), and the lateral wall of heating cabinet (18) is run through and extend to the outside of heating cabinet (18) in the outer end of inlet pipe (22).

5. The distillation apparatus for alcohol production according to claim 4, wherein: the inside of stills (1) is equipped with steam pipe (23), steam pipe (23) are the heliciform, and its tip runs through the lateral wall of stills (1) and extends to the outside of stills (1), the gas outlet has been seted up on the top of heating cabinet (18), and the gas outlet tip passes through bolted connection with the outer end of steam pipe (23) and fixes.