CN202446838U - Rectifying device - Google Patents
Rectifying device Download PDFInfo
- Publication number
- CN202446838U CN202446838U CN2011205447174U CN201120544717U CN202446838U CN 202446838 U CN202446838 U CN 202446838U CN 2011205447174 U CN2011205447174 U CN 2011205447174U CN 201120544717 U CN201120544717 U CN 201120544717U CN 202446838 U CN202446838 U CN 202446838U
- Authority
- CN
- China
- Prior art keywords
- cooler
- condenser
- rectifying column
- rectifying
- outlet
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a rectifying device and relates to the field of separation of chemical products. The rectifying device comprises a rectifying tower, a reboiler, a condenser and a cooler, wherein the reboiler is arranged below the rectifying tower; the condenser is arranged above the rectifying tower; the cooler is connected with the condenser; the cooler is provided with a rectified liquid outlet; the rectifying device also comprises a heat exchanger for heating and cooling; the heat exchanger is provided with a material liquid inlet and a residual liquid outlet; the material liquid inlet is connected at the middle of the rectifying tower through a pipeline; and the residual outlet is connected at the bottom of the rectifying tower through a pipeline. With the rectifying device, not only be water source waste prevented and energy saved, but also the material liquid can be heated and the residual liquid can be cooled through the heat exchanger; and not only be the energy utilized reasonably, but also the production cost is lower.
Description
Technical field
The utility model relates to the chemical products separation field, relates in particular to a kind of rectifier unit.
Background technology
Rectifying be a kind of utilize to reflux make liquid mixture obtain the distillating method of high purity separation, in the process of Chemical Manufacture, rectifying is a kind of more common operation.Referring to shown in Figure 1, existing distilling apparatus generally comprises rectifying column 1a, reboiler 2a, condenser 3a, cooler 4a, material liquid preheater 5a and raffinate cooler 6a.During distillation operation; Material liquid gets into destilling tower 1a through material liquid preheater 5a heating back; Destilling tower 1a gets into condenser 3a condensation with material liquid vaporization back, and a condensed liquid part flows out through cooler 4a, and another part flows out through raffinate cooler 6a cooling back as raffinate.There is following shortcoming in this type rectifier unit when distillation operation:
1. because the raffinate itself after the rectifying just has certain temperature, so the raffinate after the rectifying can heat material liquid, and simultaneously, material liquid can cool off the raffinate after the rectifying with it.Existing distilling apparatus is not integrated two steps of heating and cooling.But through material liquid preheater 5a material liquid is heated, 6a cools off raffinate through the raffinate cooler, not only do not have the reasonable use energy, and production cost is higher.
2. existing rectifier unit feeds water quench when rectifying, for respectively condenser 3a and cooler 4a, and cooling water does not have recycle, has caused the waste at water source, and is energy-conservation inadequately.
The utility model content
To the defective that exists in the prior art, the purpose of the utility model is to provide a kind of rectifier unit, and its production cost is lower, not only can the reasonable use energy when rectifying, and can not cause the waste at water source, more energy-conservation.
For reaching above purpose; The technical scheme that the utility model is taked is: a kind of rectifier unit; Comprise rectifying column, be located at rectifying column below reboiler, be located at the condenser and the cooler that is connected with condenser of rectifying column top; Said cooler is provided with the distillate outlet, also comprises the heat exchanger that is used for heating and cooling, and said heat exchanger is provided with material liquid import and raffinate outlet; Said material liquid import is connected in the rectifying column middle part through pipeline, and said raffinate outlet is connected in rectifier bottoms through pipeline.
On the basis of technique scheme, said condenser one end is connected in the rectifying column top, and the other end connects the sidepiece of cooler and rectifying column respectively, also is provided with the cooling pipe that is used for the cooling water circulation between said cooler and the condenser.
On the basis of technique scheme, said cooler is provided with cooling water inlet, and said condenser is provided with coolant outlet, and said cooling pipe is located between cooling water inlet and the coolant outlet.
On the basis of technique scheme, said condenser is provided with cooling water inlet, and said cooler is provided with coolant outlet, and said cooling pipe is located between cooling water inlet and the coolant outlet.
On the basis of technique scheme, said reboiler one end is connected in rectifier bottoms, and the other end is connected in the rectifying column sidepiece, and said reboiler is provided with steam inlet and the steam (vapor) outlet that is used to heat.
The beneficial effect of the utility model is:
1. the utility model is provided with the heat exchanger that is used for heating and cooling, and the raffinate that material liquid and rectifying column flow out during rectifying carries out heat exchange, and the high temperature raffinate can heat to material liquid as thermal source, and material liquid can come the cooling down high-temperature raffinate as cooling fluid simultaneously.Therefore the utility model can be accomplished the heating of material liquid and the cooling of raffinate through heat exchanger, not only reasonable use the energy, and production cost is lower.
2. be provided with between the utility model cooler and the condenser and be used for the cooling pipe that cooling water passes through; Cooling water can cool off cooler and condenser through cooling pipe successively; Recycle cooling water; Not only satisfy the requirement of manufacturing process, and can not cause the waste at water source, more energy-conservation.
Description of drawings
Fig. 1 is the workflow diagram of the utility model background technology;
Fig. 2 is the workflow diagram of the utility model embodiment.
Among the figure: 1a-rectifying column, 2a-reboiler, 3a-condenser, 4a-cooler, 5a-material liquid preheater, 6a-raffinate cooler;
The 1-rectifying column, 2-reboiler, 21-steam inlet, 22-steam (vapor) outlet, 3-condenser, 4-cooler, the outlet of 41-distillate, 5-heat exchanger, the import of 51-material liquid, the outlet of 52-raffinate, 6-cooling water inlet, 7-coolant outlet.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further explain.
Referring to shown in Figure 2, the rectifier unit among the utility model embodiment comprises rectifying column 1, is provided with the cooler 4 and the heat exchanger 5 of distillate outlet 41.Rectifying column 1 below is provided with reboiler 2, and reboiler 2 one ends are connected in rectifying column 1 bottom, and the other end is connected in rectifying column 1 sidepiece, and reboiler 2 is provided with the steam inlet 21 and steam (vapor) outlet 22 that is used to heat.Rectifying column 1 top is provided with condenser 3, and condenser 3 one ends are connected in rectifying column 1 top, and the other end is connected to rectifying column 1 sidepiece and cooler 4 imports.Heat exchanger 5 plays to the heating of material liquid with to the cooling effect of distillation residual liquid, and heat exchanger 5 is provided with material liquid import 51 and raffinate outlet 52, and material liquid import 51 is connected in rectifying column 1 middle part through pipeline, and raffinate outlet 52 is connected in rectifying column 1 bottom through pipeline.
Cooler 4 also is provided with cooling water inlet 6, and condenser 3 also is provided with coolant outlet 7, is provided with the cooling pipe that is used for the cooling water circulation between cooling water inlet 6 and the coolant outlet 7.In practical application, the installation requirements different according to the user, cooling water inlet 6 can be located on the condenser 3, and coolant outlet 7 can be located on the cooler 4.
Referring to shown in Figure 2, the rectifying engineering of the utility model is following:
Material liquid gets into rectifying column 1 middle part through heat exchanger 5, and material liquid flow at the bottom of the tower after getting into rectifying column 1.Feed liquid in 2 pairs of rectifying columns of reboiler 1 heats, the feed liquid evaporation that heating back boiling point is lower, the feed liquid of evaporation rises in rectifying column 1 with the form of steam, and through rectifying column 1 overhead stream to condenser 3.The feed liquid of 3 pairs of vapor form of condenser is carried out condensation, and a condensed liquid part flows out as distillate after cooler 4 cools, and another part liquid flows back to rectifying column 1, and the liquid that flows back to flows out through heat exchanger 5 as raffinate.During raffinate process heat exchanger 5, material liquid cools to raffinate, and raffinate carries out heat temperature raising to material liquid simultaneously.Cooling water cools off cooler 4 and condenser 3 through cooling pipe successively in the distillation process, has not only satisfied manufacture process requirement, and has saved the water source.
The utility model not only is confined to above-mentioned preferred forms; Anyone can draw other various forms of products under the enlightenment of the utility model; No matter but on its shape or structure, do any variation; Every have identical with a utility model or akin technical scheme, all within its protection domain.
Claims (5)
1. rectifier unit; Comprise rectifying column (1), be located at rectifying column (1) below reboiler (2), be located at the condenser (3) and the cooler (4) that is connected with condenser (3) of rectifying column (1) top; Said cooler (4) is provided with distillate outlet (41); It is characterized in that: also comprise the heat exchanger (5) that is used for heating and cooling; Said heat exchanger (5) is provided with material liquid import (51) and raffinate outlet (52), and said material liquid import (51) is connected in rectifying column (1) middle part through pipeline, and said raffinate outlet (52) is connected in rectifying column (1) bottom through pipeline.
2. rectifier unit as claimed in claim 1; It is characterized in that: said condenser (3) one ends are connected in rectifying column (1) top; The other end connects the sidepiece of cooler (4) and rectifying column (1) respectively, also is provided with the cooling pipe that is used for the cooling water circulation between said cooler (4) and the condenser (3).
3. rectifier unit as claimed in claim 2 is characterized in that: said cooler (4) is provided with cooling water inlet (6), and said condenser (3) is provided with coolant outlet (7), and said cooling pipe is located between cooling water inlet (6) and the coolant outlet (7).
4. rectifier unit as claimed in claim 2 is characterized in that: said condenser (3) is provided with cooling water inlet (6), and said cooler (4) is provided with coolant outlet (7), and said cooling pipe is located between cooling water inlet (6) and the coolant outlet (7).
5. rectifier unit as claimed in claim 1 is characterized in that: said reboiler (2) one ends are connected in rectifying column (1) bottom, and the other end is connected in rectifying column (1) sidepiece, and said reboiler (2) is provided with steam inlet (21) and the steam (vapor) outlet (22) that is used to heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205447174U CN202446838U (en) | 2011-12-23 | 2011-12-23 | Rectifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205447174U CN202446838U (en) | 2011-12-23 | 2011-12-23 | Rectifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202446838U true CN202446838U (en) | 2012-09-26 |
Family
ID=46862733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205447174U Expired - Lifetime CN202446838U (en) | 2011-12-23 | 2011-12-23 | Rectifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202446838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259936A (en) * | 2015-10-21 | 2016-01-20 | 蓝星（北京）技术中心有限公司 | Rectifying tower liquid level control method and apparatus based on calorific value |
| CN106267875A (en) * | 2016-08-29 | 2017-01-04 | 河南心连心化肥有限公司 | Device and method for recovering methanol in hydrocarbon and improving combustion heat value of hydrocarbon |
-
2011
- 2011-12-23 CN CN2011205447174U patent/CN202446838U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259936A (en) * | 2015-10-21 | 2016-01-20 | 蓝星（北京）技术中心有限公司 | Rectifying tower liquid level control method and apparatus based on calorific value |
| CN105259936B (en) * | 2015-10-21 | 2017-10-24 | 蓝星（北京）技术中心有限公司 | A kind of rectifying column liquid level controlling method and device based on calorific value |
| CN106267875A (en) * | 2016-08-29 | 2017-01-04 | 河南心连心化肥有限公司 | Device and method for recovering methanol in hydrocarbon and improving combustion heat value of hydrocarbon |
| CN106267875B (en) * | 2016-08-29 | 2018-09-11 | 河南心连心化肥有限公司 | Device and method for recovering methanol in hydrocarbon and improving combustion heat value of hydrocarbon |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101704524B (en) | Production device and method of high purity trichlorosilane by using heat pump distillation | |
| CN101503337B (en) | Technological process for methanol distillation by using fiver-tower heat integration apparatus | |
| CN104083981B (en) | The straight touch degree of depth cooling device that volatile organic compound from waste gas reclaims and recovery method | |
| CN203710716U (en) | Device for improving recycling rate of alcohol ketone components in refining process of cyclohexanone | |
| CN202446838U (en) | Rectifying device | |
| CN201701768U (en) | Device for double-effect distillation of dimethyl carbonate and alcohol | |
| CN105130760B (en) | A kind of technique of high-purity MTBE | |
| CN101708376A (en) | Energy saving method of acetic acid dehydrating tower | |
| CN102604665A (en) | Multilayer-evaporation-based bio-diesel continuous rectification system and process | |
| CN201737903U (en) | Heat integration system of distilling device, reforming device and gasoline and diesel hydrofining device | |
| CN106746118A (en) | A kind of system and method for utilization heat recovery from sewage alcohol ketone | |
| CN102583395A (en) | Heat pump rectification method for refining trichlorosilane | |
| CN201356988Y (en) | Energy-saving type alcohol recovery tower | |
| CN110743189A (en) | Energy-saving carbon disulfide rectification process | |
| CN102408341A (en) | Heat integration process between synthesis gas and separation device used in aniline synthesis and separation process | |
| CN201832433U (en) | Methanol and ethanol extracting equipment | |
| CN103113179B (en) | Thermal coupling system and method for extractive distillation of normal hexane, isohexane and benzene | |
| CN215387629U (en) | Mechanical chemical medium vapor recompression rectification device | |
| CN203842338U (en) | Heat gradient utilization device in methanol rectification process | |
| KR101173907B1 (en) | A fractional distillation device of ternary separation with internally heat-integrated distillation column | |
| CN102838118A (en) | Heat recovery process and system in polycrystalline-silicon tail gas drying-method recovery system | |
| CN105669353A (en) | Ethylbenzene and styrene separation method | |
| CN103288154B (en) | Device and method for recovering metal material surface cleaning agent | |
| CN206204232U (en) | A kind of naphtha cut of the built-in condenser of tower top band enters desulfurization rectifying column | |
| CN104892358A (en) | Ethanol recovery tower heat exchange technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
|
| CX01 | Expiry of patent term |