CN211383861U - Two-stage series rectifying tower - Google Patents
Two-stage series rectifying tower Download PDFInfo
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- CN211383861U CN211383861U CN201922046601.7U CN201922046601U CN211383861U CN 211383861 U CN211383861 U CN 211383861U CN 201922046601 U CN201922046601 U CN 201922046601U CN 211383861 U CN211383861 U CN 211383861U
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Abstract
The utility model discloses a two-stage series connection rectifying column, including the finished product groove, finished product groove lower extreme passes through the pipeline and is connected with the finished product pump, the upper end is connected with the rectifying column through the pipeline, there is the condenser rectifying column upper end through the pipe connection, vapour and liquid separator, the rectifying column lower extreme is equipped with the rectifying still, rectifying still one side is equipped with raw material tank, the raw material tank lower extreme is equipped with the charge pump, the one end that raw material tank was kept away from to the charge pump is connected with the rectifying still upper end, the rectifying still lower extreme is connected with the cooler, the other end that rectifying still was kept away from to the cooler is connected with the raffinate. The utility model has the advantages that: two stages of towers are adopted for rectification in series, so that the burden of a single tower is effectively reduced, and the yield can be improved; organic impurities such as acetone and the like in the isopropanol can be removed through rectification, and complex salt dissolved in the isopropanol is removed, so that the thermal efficiency is high, and the production efficiency is greatly improved.
Description
Technical Field
The utility model relates to a rectifying column technical field specifically is a two-stage series connection rectifying column.
Background
The rectifying tower is a tower type vapor-liquid contact device for rectification, which is a device for realizing the rapid separation of reaction products and reactants by utilizing the principle of multiple partial gasification and partial condensation of liquid mixtures and utilizing the different volatility of each component, and is conventional equipment in the pharmaceutical and chemical production. However, in the prior art, the rectifying tower is basically single-tower rectifying, the load is too heavy, the efficiency is relatively low, the effect of removing acetone, organic impurities and complex salts in isopropanol is not ideal, the thermal efficiency is low, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two-stage series connection rectifying column 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: the utility model provides a two-stage series connection rectifying column, includes the finished product groove, finished product groove lower extreme passes through the pipeline and is connected with the finished product pump, finished product groove upper end is connected with the rectifying column through the pipeline, there are condenser and vapour and liquid separator in rectifying column upper end through the pipe connection, vapour and liquid separator keeps away from the other end of condenser pass through the pipeline with the rectifying column is connected, the rectifying column lower extreme is equipped with the rectifying still, rectifying still one side is equipped with former feed tank, former feed tank lower extreme is equipped with the raw material pump, the raw material pump is kept away from the one end of former feed tank pass through the pipeline with the rectifying still upper end is connected, the rectifying still lower extreme passes through the pipeline and is connected with the cooler, the cooler is kept away from the other end of rectifying still passes through the.
Preferably, the other end of the finished product pump, which is far away from the finished product tank, is connected with a purification packaging room.
Preferably, the finished product tank, the raw material tank, the finished product pump, the raw material pump, the rectifying still, the cooler, the residual liquid tank, the rectifying tower, the condenser and the gas-liquid separator are all connected through stainless steel pipes.
Preferably, one side of the middle of the rectifying tower is connected with the finished product tank through a pipeline, and the other side of the middle of the rectifying tower is respectively connected with the gas-liquid separator and the top end of the rectifying tower through pipelines.
Preferably, be equipped with temperature indicator and liquid level indicator on the vapour and liquid separator respectively, the rectifying column top is equipped with pressure indicator and temperature indicator respectively, the rectifying column body also is equipped with temperature indicator.
Preferably, the top end of the rectifying still is respectively provided with a pressure indicator, a liquid level indicator and a liquid level indicator.
Preferably, the rectifying tower is a one thousand liter stainless steel kettle, and the charging coefficient of the rectifying tower is seven hundred liters.
Preferably, the other end of the residue tank, which is far away from the cooler, is provided with a treatment tank, and the residue tank is also provided with a liquid level indicator.
Advantageous effects
The utility model adopts two-stage tower series rectification, effectively reducing the burden of a single tower and improving the yield; organic impurities such as acetone and the like in the isopropanol can be removed through rectification, and complex salt dissolved in the isopropanol is removed, so that the thermal efficiency is high, and the production efficiency is greatly improved.
Drawings
Fig. 1 is a schematic plan view of the present invention;
fig. 2 is a schematic view of the rectification process of the present invention.
Reference numerals
1-finished product tank, 2-raw material tank, 3-finished product pump, 4-raw material pump, 5-rectifying still, 6-cooler, 7-residual liquid tank, 8-rectifying tower, 9-condenser and 10-gas-liquid separator.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Examples
As shown in fig. 1-2, a two-stage series rectifying tower, including finished product groove 1, finished product groove 1 lower extreme is connected with finished product pump 3 through the pipeline, finished product groove 1 upper end is connected with rectifying tower 8 through the pipeline, rectifying tower 8 upper end has condenser 9 and vapour and liquid separator 10 through the pipe connection, vapour and liquid separator 10 keeps away from the other end of condenser 9 and passes through the pipeline and be connected with rectifying tower 8, rectifying tower 8 lower extreme is equipped with rectifying still 5, rectifying still 5 one side is equipped with former feed tank 2, former feed tank 2 lower extreme is equipped with raw material pump 4, the one end that former feed tank 2 was kept away from to former feed pump 4 passes through the pipeline and is connected with rectifying still 5 upper end, rectifying still 5 lower extreme passes through the pipeline and is connected with cooler 6, the other end that rectifying still 5 was kept away from to cooler 6 passes through the pipeline and.
Preferably, the other end of the finished product pump 3, which is far away from the finished product tank 1, is connected with the purifying and packaging room.
Preferably, the finished product tank 1, the raw material tank 2, the finished product pump 3, the raw material pump 4, the rectifying still 5, the cooler 6, the raffinate tank 7, the rectifying tower 8, the condenser 9 and the gas-liquid separator 10 are all connected through stainless steel pipes.
Preferably, one side of the middle of the rectifying tower 8 is connected with the finished product tank 1 through a pipeline, and the other side of the middle of the rectifying tower 8 is respectively connected with the gas-liquid separator 10 and the top end of the rectifying tower 8 through pipelines.
Preferably, the gas-liquid separator 10 is provided with a temperature indicator and a liquid level indicator, the top end of the rectifying tower 8 is provided with a pressure indicator and a temperature indicator, and the body of the rectifying tower 8 is also provided with a temperature indicator.
Preferably, the top end of the rectifying still 5 is respectively provided with a pressure indicator, a liquid level indicator and a liquid level indicator.
Preferably, the rectification column 8 is a one thousand liter stainless steel kettle, and the rectification column 8 has a charge factor of seven hundred liters.
Preferably, the other end of the raffinate tank 7, which is far away from the cooler 6, is provided with a treatment tank, and the raffinate tank 7 is also provided with a liquid level indicator.
And opening a steam valve of the heating rectifying tower kettle, heating the materials in the kettle, and gradually increasing the temperature. Controlling the steam pressure to be 0.09-0.1 Mpa, determining the accurate value according to the reflux quantity, when the isopropanol in the rectifying tower kettle is evaporated to the tower top, condensing the isopropanol through a condenser at the tower top of the rectifying tower, then flowing into a gas-liquid separator for reflux, keeping the total reflux operation for 30 minutes, and stabilizing the temperature at the tower top at 80.5 ℃. Then, the ratio of 10: discharging the material to an isopropanol finished product tank according to the reflux ratio of 1, opening a raw material isopropanol feed valve on a rectifying tower kettle for continuous feeding, and adjusting the accurate value according to the discharge amount of high-quality isopropanol and the amount of discharged residual liquid. After 3 hours of high-quality isopropanol discharge in the rectification operation, the residual liquid in the bottom of the isopropanol rectification tower can be cooled by a residual liquid cooler, a certain amount of the residual liquid is controlled to be put into a residual liquid tank, and when the liquid level of the residual liquid tank is higher, the residual liquid is pumped into an isopropanol treatment tank by a residual liquid pump.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.
Claims (8)
1. The utility model provides a two-stage series rectification tower, includes finished product groove (1), its characterized in that: the lower end of the finished product tank (1) is connected with a finished product pump (3) through a pipeline, the upper end of the finished product tank (1) is connected with a rectifying tower (8) through a pipeline, the upper end of the rectifying tower (8) is connected with a condenser (9) and a gas-liquid separator (10) through pipelines, the other end of the gas-liquid separator (10) far away from the condenser (9) is connected with the rectifying tower (8) through a pipeline, a rectifying still (5) is arranged at the lower end of the rectifying tower (8), a raw material groove (2) is arranged at one side of the rectifying still (5), a raw material pump (4) is arranged at the lower end of the raw material groove (2), one end of the raw material pump (4) far away from the raw material groove (2) is connected with the upper end of the rectifying still (5) through a pipeline, the lower end of the rectifying kettle (5) is connected with a cooler (6) through a pipeline, and the other end of the cooler (6) far away from the rectifying kettle (5) is connected with a residual liquid tank (7) through a pipeline.
2. The two-stage series rectification column according to claim 1, characterized in that: the other end of the finished product pump (3) far away from the finished product tank (1) is connected with a purification packaging room.
3. The two-stage series rectification column according to claim 1, characterized in that: the finished product tank (1), the raw material tank (2), the finished product pump (3), the raw material pump (4), the rectifying still (5), the cooler (6), the residual liquid tank (7), the rectifying tower (8), the condenser (9) and the gas-liquid separator (10) are all connected through stainless steel pipes.
4. The two-stage series rectification column according to claim 1, characterized in that: one side in the middle of the rectifying tower (8) is connected with the finished product tank (1) through a pipeline, and the other side of the rectifying tower is connected with the gas-liquid separator (10) and the top end of the rectifying tower (8) through pipelines respectively.
5. The two-stage series rectification column according to claim 1, characterized in that: the gas-liquid separator (10) is provided with a temperature indicator and a liquid level indicator respectively, the top end of the rectifying tower (8) is provided with a pressure indicator and a temperature indicator respectively, and the tower body of the rectifying tower (8) is also provided with a temperature indicator.
6. The two-stage series rectification column according to claim 1, characterized in that: and the top end of the rectifying kettle (5) is respectively provided with a pressure indicator, a liquid level indicator and a liquid level indicator.
7. The two-stage series rectification column according to claim 1, characterized in that: the rectifying tower (8) is a kiloliter stainless steel kettle, and the charging coefficient of the rectifying tower (8) is seven hundred liters.
8. The two-stage series rectification column according to claim 1, characterized in that: the other end of the residue tank (7) far away from the cooler (6) is provided with a treatment tank, and the residue tank (7) is also provided with a liquid level indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922046601.7U CN211383861U (en) | 2019-11-25 | 2019-11-25 | Two-stage series rectifying tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922046601.7U CN211383861U (en) | 2019-11-25 | 2019-11-25 | Two-stage series rectifying tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211383861U true CN211383861U (en) | 2020-09-01 |
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ID=72206989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922046601.7U Active CN211383861U (en) | 2019-11-25 | 2019-11-25 | Two-stage series rectifying tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211383861U (en) |
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2019
- 2019-11-25 CN CN201922046601.7U patent/CN211383861U/en active Active
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