CN203043594U - Filling rectifying tower for separating acetone and methanol - Google Patents
Filling rectifying tower for separating acetone and methanol Download PDFInfo
- Publication number
- CN203043594U CN203043594U CN 201320093507 CN201320093507U CN203043594U CN 203043594 U CN203043594 U CN 203043594U CN 201320093507 CN201320093507 CN 201320093507 CN 201320093507 U CN201320093507 U CN 201320093507U CN 203043594 U CN203043594 U CN 203043594U
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- rectification column
- normal pressure
- stuffing rectification
- stuffing
- pressurization
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Abstract
The utility model discloses a filling rectifying tower for separating acetone and methanol. The rectifying tower comprises a normal pressure filling rectifying tower and a pressurized filling rectifying tower, wherein a normal pressure rectifying condenser and a normal pressure rectifying reboiler are arranged on the normal pressure filling rectifying tower, a pressurized rectifying condenser and a pressurized rectifying reboiler are arranged on the pressurized filling rectifying tower, a feeding pipe of the normal pressure rectifying condenser is communicated with the top opening of the normal pressure filling rectifying tower, a discharge port of the normal pressure rectifying condenser is provided with a first branch and a second branch, the first branch is connected with a reflow port in the upper part of the normal pressure filling rectifying tower, and the second branch is connected with a feeding port of the pressurized filling rectifying tower. The filling rectifying tower disclosed by the utility model can achieve the effective separation of the acetone and methanol in the recycled solvent so as to reduce the production cost of beta-carotene, and simultaneously can solve the problem that the discharge pipe of the filling tower is easily blocked.
Description
Technical field
The utility model relates to a kind of rectifier unit, particularly relates to a kind of stuffing rectification column for separating of acetone and methyl alcohol.
Background technology
Vitamin A microcosmic salt mother liquor is to produce in the process of synthetic beta carotene, because microcosmic salt is in concentration process, methyl alcohol all can't be removed, when causing microcosmic salt with the acetone crystallization, contain 10% the methyl alcohol of having an appointment in the acetone mother liquor, but methyl alcohol is very big to the solubility of microcosmic salt, if do not separate, will make the methyl alcohol that reclaims in the mixed solvent more and more, make recovered solvent to use.Simultaneously, because methyl alcohol (boiling point is 64.53 ℃) and acetone (boiling point is 56.14 ℃) can form minimum azeotropic mixture, azeotropic temperature is 55.5 ℃, adopt common stuffing rectification column acetone and methyl alcohol can't be separated, and existing stuffing rectification column mostly is to adopt directly to draw a discharge nozzle outputting material at the bottom of tower, but in the production operation process, because filler is dashed in the unexpected increase of gas phase load, cause the filler breakage easily, so just produced a large amount of filler residues, these filler residues are pooled to rectifier bottoms through the drive of liquid fluids, cause discharge nozzle to stop up easily after entering discharge nozzle.
The utility model content
At the deficiencies in the prior art, the purpose of this utility model is for a kind of stuffing rectification column for separating of acetone and methyl alcohol is provided, and can realize reclaiming effectively separating of acetone and methyl alcohol in the solvent, thereby reduces the production cost of beta carotene; Simultaneously, can also solve the easy blocking problem of discharge nozzle of packed tower.
For achieving the above object, the utility model adopts following technical scheme:
A kind of stuffing rectification column for separating of acetone and methyl alcohol is characterized in that: comprise normal pressure stuffing rectification column and pressurization stuffing rectification column; Be provided with atmospheric distillation condenser and atmospheric distillation reboiler at described normal pressure stuffing rectification column, be provided with compression rectification condenser and compression rectification reboiler at described pressurization stuffing rectification column;
1) feed pipe of described atmospheric distillation condenser is communicated with the top exit of normal pressure stuffing rectification column, the discharging opening of atmospheric distillation condenser is provided with first branch road and second branch road, first branch road is connected with the top refluxing opening of normal pressure stuffing rectification column, and second branch road is connected with the charging aperture of pressurization stuffing rectification column;
2) feed pipe of described atmospheric distillation reboiler is communicated with the outlet at bottom of normal pressure stuffing rectification column, and its discharge nozzle is connected with the bottom refluxing opening of normal pressure stuffing rectification column;
3) feed pipe of described compression rectification condenser is communicated with the top exit of pressurization stuffing rectification column, the discharging opening of compression rectification condenser is provided with the 3rd branch road and the 4th branch road, the 3rd branch road is connected with the refluxing opening of pressurization stuffing rectification column, and the 4th branch road is connected with the charging aperture of normal pressure stuffing rectification column;
4) feed pipe of described compression rectification reboiler is communicated with the outlet at bottom of pressurization stuffing rectification column, and its discharge nozzle is connected with the bottom refluxing opening of pressurization stuffing rectification column.
Realize that the purpose of this utility model can also reach by taking following technical scheme:
Realize that a kind of embodiment of the present utility model is: the feed pipe of described atmospheric distillation reboiler comprises vertical tube, transverse tube, the tower body diapire that vertical tube passes the normal pressure stuffing rectification column stretches into, forms the end pipe portion of port closed to inside, the sidewall of end pipe portion is provided with several through holes.Described through hole is uniformly distributed on the sidewall of end pipe portion, and the diameter of through hole is 20-30mm.
Realize that a kind of embodiment of the present utility model is: the feed pipe of described compression rectification reboiler comprises vertical tube, transverse tube, the tower body diapire that vertical tube passes the pressurization stuffing rectification column stretches into, forms the end pipe portion of port closed to inside, the sidewall of end pipe portion is provided with several through holes.Described through hole is uniformly distributed on the sidewall of end pipe portion, and the diameter of through hole is 20-30mm.
The beneficial effects of the utility model are:
1, the utility model is by adopting the variable-pressure rectification flow process of normal pressure stuffing rectification column and pressurization stuffing rectification column simultaneous, make and in the normal pressure stuffing rectification column, obtain 99.5% methyl alcohol, in the pressurization stuffing rectification column, obtain 99.4% acetone, realized reclaiming effectively separating of acetone and methyl alcohol in the solvent, separating effect is better, is conducive to reduce the production cost of beta carotene.
2, the utility model discharge nozzle that will originally directly be connected at the bottom of the rectifying column stretches into tower inside, thereby the filler residue that prevents tower bottom is along with fluid flows directly at the bottom of the tower in the discharge nozzle, have simple in structure, anti-clogging, the advantage at anti-dead angle.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram.
Fig. 2 is the enlarged diagram of A portion among Fig. 1.
Fig. 3 is the enlarged diagram of B portion among Fig. 1.
Wherein, 11, normal pressure stuffing rectification column, 12, atmospheric distillation condenser, 13, atmospheric distillation reboiler, the feed pipe of 12-1, atmospheric distillation condenser, 12-2,12-3 are respectively first branch road, second branch road at the discharging opening place that is located at the atmospheric distillation condenser, the feed pipe of 13-1, atmospheric distillation reboiler, the end pipe portion of the feed pipe of 13-1a, atmospheric distillation reboiler, is located at the through hole on the charging pipe end pipe portion sidewall of atmospheric distillation reboiler at 13-1b;
21, pressurization stuffing rectification column, 22, compression rectification condenser, 23, compression rectification reboiler, the feed pipe of 22-1, compression rectification condenser, 22-2,22-3 are respectively the 3rd branch road, the 4th branch road at the discharging opening place that is located at the compression rectification condenser, the feed pipe of 23-1, compression rectification reboiler, the end pipe portion of the feed pipe of 23-1a, compression rectification reboiler, is located at the through hole on the charging pipe end pipe portion sidewall of compression rectification reboiler at 23-1b.
The specific embodiment
Below, by reference to the accompanying drawings and the specific embodiment, the utility model is described further:
Specific embodiment 1:
With reference to Fig. 1, the described a kind of stuffing rectification column for separating of acetone and methyl alcohol of present embodiment comprises normal pressure stuffing rectification column 11 and pressurization stuffing rectification column 21; Be provided with atmospheric distillation condenser 12 and atmospheric distillation reboiler 13 at described normal pressure stuffing rectification column 11, be provided with compression rectification condenser 22 and compression rectification reboiler 23 at described pressurization stuffing rectification column 21; The feed pipe 12-1 of described atmospheric distillation condenser 12 is communicated with the top exit of normal pressure stuffing rectification column 11, the discharging opening of atmospheric distillation condenser 12 is provided with the first branch road 12-2 and the second branch road 12-3, the first branch road 12-2 is connected with the top refluxing opening of normal pressure stuffing rectification column 11, and the second branch road 12-3 is connected with the charging aperture of pressurization stuffing rectification column 21; The feed pipe 13-1 of described atmospheric distillation reboiler 13 is communicated with the outlet at bottom of normal pressure stuffing rectification column 11, and its discharge nozzle 13-2 is connected with the bottom refluxing opening of normal pressure stuffing rectification column 11; The feed pipe 22-1 of described compression rectification condenser 22 is communicated with the top exit of pressurization stuffing rectification column 21, the discharging opening of compression rectification condenser 22 is provided with the 3rd branch road 22-2 and the 4th branch road 22-3, the 3rd branch road 22-2 is connected with the refluxing opening of pressurization stuffing rectification column 21, and the 4th branch road 22-3 is connected with the charging aperture of normal pressure stuffing rectification column 11; The feed pipe 23-1 of described compression rectification reboiler 23 is communicated with the outlet at bottom of pressurization stuffing rectification column 21, and its discharge nozzle 23-2 is connected with the bottom refluxing opening of pressurization stuffing rectification column 21.
With reference to Fig. 2, the feed pipe 13-1 of described atmospheric distillation reboiler 13 comprises vertical tube, transverse tube, the tower body diapire that vertical tube passes normal pressure stuffing rectification column 11 stretches into, forms the end pipe 13-1a of portion of port closed to inside, the sidewall of the end pipe 13-1a of portion is provided with several through holes 13-1b.Described through hole 13-1b is uniformly distributed on the sidewall of the end pipe 13-1a of portion, and the diameter of through hole 13-1b is 20-30mm.
With reference to Fig. 3, the feed pipe 23-1 of described compression rectification reboiler 23 comprises vertical tube, transverse tube, the tower body diapire that vertical tube passes pressurization stuffing rectification column 11 stretches into, forms the end pipe 23-1a of portion of port closed to inside, the sidewall of the end pipe 23-1a of portion is provided with several through holes 23-1b.Described through hole 23-1b is uniformly distributed on the sidewall of the end pipe 23-1a of portion, and the diameter of through hole 23-1b is 20-30mm.
Operation principle of the present utility model is:
The mixture of material benzenemethanol and acetone is added the normal pressure stuffing rectification column from charging aperture, carry out atmospheric distillation.Obtain the higher methanol product of purity at the bottom of the tower, cat head obtains the azeotropic mixture a of methyl alcohol and acetone, the azeotropic mixture a of methyl alcohol and acetone enters the atmospheric distillation condenser, a part is returned the normal pressure stuffing rectification column as the phegma of normal pressure stuffing rectification column, and another part enters the pressurization stuffing rectification column as charging; The azeotropic mixture a of methyl alcohol and acetone carries out compression rectification in pressurizing tower, obtain the higher product acetone of purity at the bottom of the tower, cat head obtains the azeotropic mixture b of methyl alcohol and acetone, the azeotropic mixture b of methyl alcohol and acetone enters the compression rectification condenser, a part is returned the pressurization stuffing rectification column as the phegma of pressurization stuffing rectification column, and another part enters the normal pressure stuffing rectification column as charging.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection domain of the utility model claim all.
Claims (3)
1. the stuffing rectification column for separating of acetone and methyl alcohol is characterized in that: comprise normal pressure stuffing rectification column and pressurization stuffing rectification column; Be provided with atmospheric distillation condenser and atmospheric distillation reboiler at described normal pressure stuffing rectification column, be provided with compression rectification condenser and compression rectification reboiler at described pressurization stuffing rectification column;
1) feed pipe of described atmospheric distillation condenser is communicated with the top exit of normal pressure stuffing rectification column, the discharging opening of atmospheric distillation condenser is provided with first branch road and second branch road, first branch road is connected with the top refluxing opening of normal pressure stuffing rectification column, and second branch road is connected with the charging aperture of pressurization stuffing rectification column;
2) feed pipe of described atmospheric distillation reboiler is communicated with the outlet at bottom of normal pressure stuffing rectification column, and its discharge nozzle is connected with the bottom refluxing opening of normal pressure stuffing rectification column;
3) feed pipe of described compression rectification condenser is communicated with the top exit of pressurization stuffing rectification column, the discharging opening of compression rectification condenser is provided with the 3rd branch road and the 4th branch road, the 3rd branch road is connected with the refluxing opening of pressurization stuffing rectification column, and the 4th branch road is connected with the charging aperture of normal pressure stuffing rectification column;
4) feed pipe of described compression rectification reboiler is communicated with the outlet at bottom of pressurization stuffing rectification column, and its discharge nozzle is connected with the bottom refluxing opening of pressurization stuffing rectification column.
2. a kind of stuffing rectification column for separating of acetone and methyl alcohol according to claim 1, it is characterized in that: the feed pipe of described atmospheric distillation reboiler comprises vertical tube, transverse tube, the tower body diapire that vertical tube passes the normal pressure stuffing rectification column stretches into, forms the end pipe portion of port closed to inside, the sidewall of end pipe portion is provided with several through holes.
3. a kind of stuffing rectification column for separating of acetone and methyl alcohol according to claim 1, it is characterized in that: the feed pipe of described compression rectification reboiler comprises vertical tube, transverse tube, the tower body diapire that vertical tube passes the pressurization stuffing rectification column stretches into, forms the end pipe portion of port closed to inside, the sidewall of end pipe portion is provided with several through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093507 CN203043594U (en) | 2013-02-28 | 2013-02-28 | Filling rectifying tower for separating acetone and methanol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320093507 CN203043594U (en) | 2013-02-28 | 2013-02-28 | Filling rectifying tower for separating acetone and methanol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203043594U true CN203043594U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320093507 Expired - Fee Related CN203043594U (en) | 2013-02-28 | 2013-02-28 | Filling rectifying tower for separating acetone and methanol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203043594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394209A (en) * | 2013-07-22 | 2013-11-20 | 青岛科技大学 | Method for rectifying and separating ethanol and tetrahydrofuran azeotrope system by low-pressure tower and high-pressure tower |
-
2013
- 2013-02-28 CN CN 201320093507 patent/CN203043594U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394209A (en) * | 2013-07-22 | 2013-11-20 | 青岛科技大学 | Method for rectifying and separating ethanol and tetrahydrofuran azeotrope system by low-pressure tower and high-pressure tower |
| CN103394209B (en) * | 2013-07-22 | 2015-07-08 | 青岛科技大学 | Method for rectifying and separating ethanol and tetrahydrofuran azeotrope system by low-pressure tower and high-pressure tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20170228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |