CN107382691A - A kind of special rectifying column of acetone and methanol - Google Patents
A kind of special rectifying column of acetone and methanol Download PDFInfo
- Publication number
- CN107382691A CN107382691A CN201710812883.XA CN201710812883A CN107382691A CN 107382691 A CN107382691 A CN 107382691A CN 201710812883 A CN201710812883 A CN 201710812883A CN 107382691 A CN107382691 A CN 107382691A
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- CN
- China
- Prior art keywords
- methanol
- pipe
- acetone
- pressure
- low
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a kind of acetone and the special rectifying column of methanol, including low-pressure distillation tower, reboiler, low pressure condenser pipe and high pressure condenser pipe, it is characterized in that, evaporation tube is installed on the left of the low-pressure distillation tower, low pressure condenser pipe is installed on the right side of the low-pressure distillation tower, low pressure return pipe is installed below the low pressure condenser pipe, the low pressure condenser pipe is connected by condensate liquid delivery pipe with reboiler.The present invention is by being provided with Methanol Recovery tank and acetone recycling can, methanol and acetone can be stored respectively, it can play a part of double evaporation-cooling by being provided with reboiler, mixed material can more fully be purified, by being provided with low-pressure distillation tower and high-pressure rectification tower, according to the difference of pressure, boiling point also different principle, to purify methanol and acetone respectively.
Description
Technical field
The present invention relates to chemical technology field, more particularly to the special rectifying column of a kind of acetone and methanol.
Background technology
At present, in chemical industry, we are generally required to purify various chemical raw materials, and various mixed materials are derived for this
Purifying plant, relates to the stuffing rectification column of acetone and methanol among these, but at present acetone on the market with
The stuffing rectification column of methanol, simple in construction, function is single, the methanol of purification and the purification of acetone concentration, does not reach specified requirement,
And power consumption is higher, service life is shorter, and tower body is general using material, and there is certain danger, practicality is relatively low, is this
Need to improve purification technique.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of acetone and methanol proposed
Special rectifying column.
To achieve these goals, present invention employs following technical scheme：
A kind of special rectifying column of acetone and methanol, including low-pressure distillation tower, reboiler, low pressure condenser pipe and high pressure
Evaporation tube is installed on the left of condenser pipe, it is characterised in that the low-pressure distillation tower, is provided with the right side of the low-pressure distillation tower low
Press condenser pipe, low pressure return pipe be installed below the low pressure condenser pipe, the low pressure condenser pipe by condensate liquid delivery pipe with
Reboiler is connected, and double evaporation-cooling pipe is provided with the right side of the reboiler, high-pressure rectification tower is provided with the right side of the double evaporation-cooling pipe,
And high pressure condenser pipe is installed on the right side of high-pressure rectification tower, high pressure reflow pipe is installed below the high pressure condenser pipe.
Preferably, evaporating kettle is installed below the evaporation tube, and device for transporting objects is installed on the left of evaporating kettle.
Preferably, methanol delivery pipe is installed on the left of the low-pressure distillation tower, and methanol is installed on the left of methanol delivery pipe
Recycling can.
Preferably, the high-pressure rectification tower is by acetone delivery pipe, and is provided with acetone recycling can on the right side of acetone delivery pipe.
Preferably, the high pressure condenser pipe is connected by discharging of waste liquid pipe with devil liquor recovery tank.
In the present invention, by being provided with Methanol Recovery tank and acetone recycling can, methanol and acetone can be stored respectively, led to
Cross and reboiler is installed can play a part of double evaporation-cooling, mixed material can more fully be purified, by being provided with
Low-pressure distillation tower and high-pressure rectification tower, according to the difference of pressure, boiling point also different principle, to purify methanol and acetone respectively,
And this kind is used for the stuffing rectification column of acetone and methanol, is simple to manufacture, purification degree is higher, and use cost is relatively low, has
Certain energy saving, it is seen that practicality is higher.
Brief description of the drawings
Fig. 1 is the structural representation of the special rectifying column of a kind of acetone proposed by the present invention and methanol；
Fig. 2 is the structural representation of the evaporating kettle of the special rectifying column of a kind of acetone proposed by the present invention and methanol.
In figure：1 evaporating kettle, 2 Methanol Recovery tanks, 3 methanol delivery pipes, 4 low-pressure distillation towers, 5 reboilers, 6 double evaporation-cooling pipes,
7 acetone delivery pipes, 8 acetone recycling cans, 9 devil liquor recovery tanks, 10 low pressure return pipes, 11 low pressure condenser pipes, 12 condensate liquid delivery pipes,
13 high-pressure rectification towers, 14 high pressure reflow pipes, 15 high pressure condenser pipes, 16 discharging of waste liquid pipes, 17 device for transporting objects, 18 evaporation tubes
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-2, a kind of special rectifying column of acetone and methanol, including low-pressure distillation tower 4, reboiler 5, low pressure
Condenser pipe 11 and high pressure condenser pipe 15, the left side of low-pressure distillation tower 4 are provided with evaporation tube 18, and the right side of low-pressure distillation tower 4 is provided with low
Condenser pipe 11 is pressed, the lower section of low pressure condenser pipe 11 is provided with low pressure return pipe 10, and low pressure condenser pipe 11 passes through condensate liquid delivery pipe 12
It is connected with reboiler 5, the right side of reboiler 5 is provided with double evaporation-cooling pipe 6, and the right side of double evaporation-cooling pipe 6 is provided with high-pressure rectification tower 13,
And the right side of high-pressure rectification tower 13 is provided with high pressure condenser pipe 15, the lower section of high pressure condenser pipe 15 is provided with high pressure reflow pipe 14, evaporated
The lower section of pipe 18 is provided with evaporating kettle 1, and the left side of evaporating kettle 1 is provided with device for transporting objects 17, and the left side of low-pressure distillation tower 4 is provided with
Methanol delivery pipe 3, and the left side of methanol delivery pipe 3 is provided with Methanol Recovery tank 2, high-pressure rectification tower 13 by acetone delivery pipe 7, and
The right side of acetone delivery pipe 7 is provided with acetone recycling can 8, and high pressure condenser pipe 15 is connected by discharging of waste liquid pipe 16 and devil liquor recovery tank 9
Connect.
Operation principle：When the stuffing rectification column for being used for acetone and methanol using this kind, it is defeated to open material for we first
Device 17 is sent, and mixed material is put into evaporating kettle 1, is evaporated, then in low-pressure distillation tower 4, the higher first of concentration
Alcohol liquid can be deposited in the bottom of low-pressure distillation tower 4, and be delivered to by methanol delivery pipe 3 in Methanol Recovery tank 2, low-pressure distillation tower 4
Top understand the acetone mixture of some methanol and high concentration, in the presence of low pressure condenser pipe 11, a part flows back into
Enter low-pressure distillation tower 4, be partly into the inside of reboiler 5, similarly the acetone of last high concentration is in the bottom of high-pressure rectification tower 13,
By the effect of acetone delivery pipe 7, acetone recycling can 8 is delivered to, in the presence of high pressure condenser pipe 15, waste liquid is arranged by waste liquid
Put pipe 16 and be delivered to devil liquor recovery tank 9.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. the special rectifying column of a kind of acetone and methanol, including low-pressure distillation tower (4), reboiler (5), low pressure condenser pipe
(11) evaporation tube (18) and on the left of high pressure condenser pipe (15), it is characterised in that the low-pressure distillation tower (4) is installed, it is described low
Low pressure condenser pipe (11) is installed on the right side of pressure rectifying column (4), low pressure return pipe is installed below the low pressure condenser pipe (11)
(10), the low pressure condenser pipe (11) is connected by condensate liquid delivery pipe (12) with reboiler (5), on the right side of the reboiler (5)
Double evaporation-cooling pipe (6) is installed, high-pressure rectification tower (13), and high-pressure rectification tower are installed on the right side of the double evaporation-cooling pipe (6)
(13) right side is provided with high pressure condenser pipe (15), and high pressure reflow pipe (14) is provided with below the high pressure condenser pipe (15).
2. the special rectifying column of a kind of acetone according to claim 1 and methanol, it is characterised in that the evaporation tube
(18) lower section is provided with evaporating kettle (1), and is provided with device for transporting objects (17) on the left of evaporating kettle (1).
3. the special rectifying column of a kind of acetone according to claim 1 and methanol, it is characterised in that the low pressure essence
Evaporate and methanol delivery pipe (3) is installed on the left of tower (4), and Methanol Recovery tank (2) is installed on the left of methanol delivery pipe (3).
4. the special rectifying column of a kind of acetone according to claim 1 and methanol, it is characterised in that the high pressure essence
Tower (13) is evaporated by acetone delivery pipe (7), and acetone recycling can (8) is installed on the right side of acetone delivery pipe (7).
5. the special rectifying column of a kind of acetone according to claim 1 and methanol, it is characterised in that the high pressure is cold
Solidifying pipe (15) is connected by discharging of waste liquid pipe (16) with devil liquor recovery tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812883.XA CN107382691A (en) | 2017-09-11 | 2017-09-11 | A kind of special rectifying column of acetone and methanol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812883.XA CN107382691A (en) | 2017-09-11 | 2017-09-11 | A kind of special rectifying column of acetone and methanol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107382691A true CN107382691A (en) | 2017-11-24 |
Family
ID=60352060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710812883.XA Withdrawn CN107382691A (en) | 2017-09-11 | 2017-09-11 | A kind of special rectifying column of acetone and methanol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107382691A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608320A (en) * | 2019-01-09 | 2019-04-12 | 天津精分科技发展有限公司 | A kind of separation method of acetone and water mixed solvent |
-
2017
- 2017-09-11 CN CN201710812883.XA patent/CN107382691A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608320A (en) * | 2019-01-09 | 2019-04-12 | 天津精分科技发展有限公司 | A kind of separation method of acetone and water mixed solvent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171124 |