CN100506772C - Isopropyl ether recovering system - Google Patents
Isopropyl ether recovering system Download PDFInfo
- Publication number
- CN100506772C CN100506772C CNB2007100106523A CN200710010652A CN100506772C CN 100506772 C CN100506772 C CN 100506772C CN B2007100106523 A CNB2007100106523 A CN B2007100106523A CN 200710010652 A CN200710010652 A CN 200710010652A CN 100506772 C CN100506772 C CN 100506772C
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- isopropyl ether
- tower
- discharge port
- feed
- water wash
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Abstract
The isopropyl ether recovering system consists of an azeotropic rectifying system, a water washing purifying system and a solvent recovering system. It features the azeotropic rectifying system comprising an azeotropic rectifying tower and an isopropyl ether rectifying tower, the water washing purifying system comprising an isopropyl ether washing tower and an isopropyl ether rectifying tower, and the solvent recovering system comprising a first oil washing tower and a solvent recovering tower. The present invention has the advantages of no waste exhaustion, low power consumption, low cost, etc.
Description
Technical field
The present invention be more particularly directed to a kind of recovery system that from Virahol by-product heat bodied oil, reclaims isopropyl ether.
Background technology
Petrochemical industry is produced in the by product of Virahol device, some heat bodied oil, heat bodied oil consist of carbon six oil, isopropyl ether, more than carbon six oil, wherein the content of isopropyl ether is up to about 40%, these components form azeotrope, and conventional rectification is difficult to separate, and does not therefore separate at present, directly this material being added in the gasoline and take out, is unique method of utilizing of this material.This kind method is not brought benefit to gasoline component, also the price of isopropyl ether be higher than gas price far away, so mixing oil to add in the gasoline be the waste of resource.
Summary of the invention
The objective of the invention is to solve the problems referred to above that prior art exists, provide a kind of three-waste free discharge, energy-conserving and environment-protective, facility investment little, can improve the isopropyl ether recovering system of added value of product.
The present invention is achieved in that it is by azeotropic distillation system, washing refining system and solvent recovering system are formed, its special character is: azeotropic distillation system is made up of azeotropy rectification column 1 and 2 liang of towers of isopropyl ether rectifying tower, the washing refining system is made up of isopropyl ether water wash column 4 and 5 liang of towers of isopropyl ether treating tower, solvent recovering system is that hair oil water wash column 3 and 6 liang of towers of solvent recovery tower are formed, a discharge port 102 of azeotropy rectification column 1 is connected with the opening for feed 301 of hair oil water wash column 3 by pipeline, another discharge port 103 is connected with the opening for feed 201 of isopropyl ether rectifying tower 2 by pipeline, the discharge port 302 of hair oil water wash column 3 is connected with storage tank 7, a discharge port 202 of isopropyl ether rectifying tower 2 is connected with the opening for feed 401 of isopropyl ether water wash column 4 by pipeline, another discharge port 203 is connected with storage tank 7 by pipeline, the discharge port 402 of isopropyl ether water wash column 4 is connected with the opening for feed 501 of isopropyl ether treating tower 5 by pipeline, the water-in 303 of hair oil water wash column 3 and isopropyl ether water wash column 4,403 are positioned at cat head and are connected with the water outlet 603 of solvent recovery tower 6 by pipeline, the water outlet 304 of hair oil water wash column 3 and isopropyl ether water wash column 4,404 are positioned at the bottom of the tower and by pipeline and are connected with the opening for feed 601 of solvent recovery tower 6, the discharge port 602 of solvent recovery tower 6 is solvent outlet and is connected with the solvent feed mouth 101 of azeotropy rectification column 1 by pipeline that a discharge port 503 of isopropyl ether treating tower 5 is connected with finished product jar 8 at the bottom of being positioned at tower, another discharge port 502 is positioned at cat head and is connected with the opening for feed 101 of azeotropy rectification column 1.
Above-mentioned isopropyl ether recovering system, the opening for feed 101 of described azeotropy rectification column 1 is positioned at the middle and upper part of tower body, and the discharge port 102 that is connected with hair oil water wash column 3 is positioned at cat head, and the discharge port 103 that is connected with isopropyl ether rectifying tower 2 is positioned at the bottom of the tower.
Above-mentioned isopropyl ether recovering system, the opening for feed 201 of isopropyl ether rectifying tower 2 are positioned at the tower body middle part, and the discharge port 202 that is connected with isopropyl ether water wash column 4 is positioned at cat head, and the discharge port 203 that is connected with storage tank 7 is positioned at the bottom of the tower.
At the bottom of above-mentioned isopropyl ether recovering system, the opening for feed 401 of isopropyl ether water wash column 4 are positioned at tower, discharge port 402 is positioned at cat head.
Above-mentioned isopropyl ether recovering system, the opening for feed 301 of hair oil water wash column 3 is positioned at the bottom of the tower, and discharge port 302 is positioned at cat head.
Above-mentioned isopropyl ether recovering system, the opening for feed 501 of described isopropyl ether treating tower 5 are positioned at the tower body middle part.
Above-mentioned isopropyl ether recovering system, the opening for feed 601 of described solvent recovery tower 6 are positioned at the tower body middle part, and the discharge port 602 of solvent recovery tower 6 is positioned at cat head, and the water outlet 603 of solvent recovery tower 6 is positioned at the bottom of the tower.
Because the required heat energy of gasified raw material is lower in the native system, the water outlet of solvent recovery tower connects respectively by the road and is positioned at the hair oil water wash column of cat head and the water-in of isopropyl ether water wash column in the solvent recovering system, be positioned at the hair oil water wash column at the bottom of the tower and the water outlet of isopropyl ether water wash column and be connected with the opening for feed of solvent recovery tower, water cycle is used by pipeline; Simultaneously, the solvent discharge port that is positioned at the solvent recovery tower of cat head is connected with the opening for feed of azeotropy rectification column by the road, solvent in the azeotropy rectification column participates in after the reaction respectively through isopropyl ether rectifying tower, isopropyl ether water wash column and hair oil water wash column, enter the opening for feed of solvent recovery tower with waste water, be connected with the opening for feed of azeotropy rectification column by the road again, solvent cycle is used.Therefore, three-waste free discharge, energy-conserving and environment-protective in this isopropyl ether recovering system treating processes, and facility investment is little, the added value of product height.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in the figure, this isopropyl ether recovering system is made up of azeotropic distillation system, washing refining system and solvent recovering system, azeotropic distillation system is made up of azeotropy rectification column 1 and 2 liang of towers of isopropyl ether rectifying tower, the washing refining system is made up of isopropyl ether water wash column 4 and 5 liang of towers of isopropyl ether treating tower, and solvent recovering system is that hair oil water wash column 3 and 6 liang of towers of solvent recovery tower are formed.A discharge port 102 of azeotropy rectification column 1 is positioned at cat head and is connected with the opening for feed 301 of hair oil water wash column 3 by pipeline, another discharge port 103 is connected with the opening for feed 201 of isopropyl ether rectifying tower 2 by pipeline at the bottom of being positioned at tower, the opening for feed 301 of hair oil water wash column 3 is positioned at the bottom of the tower, discharge port 302 is positioned at cat head and is connected with storage tank 7, the opening for feed 201 of isopropyl ether rectifying tower 2 is positioned at the tower body middle part, a discharge port 202 of isopropyl ether rectifying tower 2 is positioned at cat head and is connected with the opening for feed 401 of isopropyl ether water wash column 4 by pipeline, another discharge port 203 is connected with storage tank 7 by pipeline at the bottom of being positioned at tower, the opening for feed 401 of isopropyl ether water wash column 4 is positioned at the bottom of the tower, discharge port 402 is positioned at cat head and is connected with the opening for feed 501 of isopropyl ether treating tower 5 by pipeline, the water-in 303 of hair oil water wash column 3 and isopropyl ether water wash column 4,403 are positioned at cat head and are connected with the water outlet 603 of solvent recovery tower 6 by pipeline, the water outlet 304 of hair oil water wash column 3 and isopropyl ether water wash column 4,404 are positioned at the bottom of the tower and by pipeline and are connected with the opening for feed 601 of solvent recovery tower 6, the opening for feed 601 of solvent recovery tower 6 is positioned at the tower body middle part, the discharge port 602 of solvent recovery tower 6 is positioned at cat head to be solvent outlet and to be connected with the solvent feed mouth 101 of azeotropy rectification column 1 by pipeline, the water outlet 603 of solvent recovery tower 6 is positioned at the bottom of the tower, the opening for feed 101 of azeotropy rectification column 1 is positioned at the middle and upper part of tower body, the opening for feed 501 of isopropyl ether treating tower 5 is positioned at the tower body middle part, and a discharge port 502 of isopropyl ether treating tower 5 is positioned at cat head and is connected with the opening for feed 101 of azeotropy rectification column 1, another discharge port 503 is connected with finished product jar 8 at the bottom of being positioned at tower.
During actually operating, by the middle and upper part charging of azeotropy rectification column 1, two kinds of raw materials deliver into opening for feed by a certain percentage by pump, after handling through azeotropy rectification column 1, top of tower extraction material enters hair oil water wash column 3, and the extraction material enters 2 processing of isopropyl ether rectifying tower at the bottom of the tower; Isopropyl ether rectifying tower 2 feed entrance points are positioned at the tower middle part, and cat head extraction material enters isopropyl ether water wash column 4 in the washing refining system, and mink cell focus enters storage tank 7 at the bottom of the tower.In the washing refining system, material is by isopropyl ether water wash column 4 bottom feeds, top discharge, the water charging by cat head charging, tower at the bottom of discharging, waste water enters solvent recovery tower 6 in the solvent recovering system; Material after the washing enters isopropyl ether treating tower 5, and isopropyl ether treating tower 5 feeding manners are the middle part charging, and the extraction material is qualified isopropyl ether at the bottom of the tower, and cat head extraction material recycles.In the solvent recovering system, the from the beginning oily water wash column of material 3 bottoms of being come by azeotropy rectification column 1 cat head enter, top discharge, the fresh water charging by cat head charging, tower at the bottom of discharging, waste water enters solvent recovery tower 6 and handles; The waste water that solvent recovery tower 6 is handled by hair oil water wash column 3, isopropyl ether water wash column 4, feeding manner is the middle part charging, and the cat head extraction is a solvent, and extraction is a water at the bottom of the tower.
Claims (7)
1, a kind of isopropyl ether recovering system, by azeotropic distillation system, washing refining system and solvent recovering system are formed, it is characterized in that: azeotropic distillation system is made up of azeotropy rectification column (1) and isopropyl ether rectifying tower (2) two towers, the washing refining system is made up of isopropyl ether water wash column (4) and isopropyl ether treating tower (5) two towers, solvent recovering system is that hair oil water wash column (3) and solvent recovery tower (6) two towers are formed, a discharge port (102) of azeotropy rectification column (1) is connected with the opening for feed (301) of hair oil water wash column (3) by pipeline, another discharge port (103) is connected with the opening for feed (201) of isopropyl ether rectifying tower (2) by pipeline, the discharge port (302) of hair oil water wash column (3) is connected with storage tank (7), a discharge port (202) of isopropyl ether rectifying tower (2) is connected with the opening for feed (401) of isopropyl ether water wash column (4) by pipeline, another discharge port (203) is connected with storage tank (7) by pipeline, the discharge port (402) of isopropyl ether water wash column (4) is connected with the opening for feed (501) of isopropyl ether treating tower (5) by pipeline, the water-in (303 of hair oil water wash column (3) and isopropyl ether water wash column (4), 403) be positioned at cat head and be connected with the water outlet (603) of solvent recovery tower (6) by pipeline, the water outlet (304 of hair oil water wash column (3) and isopropyl ether water wash column (4), 404) be positioned at the bottom of the tower and and be connected with the opening for feed (601) of solvent recovery tower (6) by pipeline, the discharge port (602) of solvent recovery tower (6) is solvent outlet and is connected with the solvent feed mouth (101) of azeotropy rectification column (1) by pipeline that a discharge port (503) of isopropyl ether treating tower (5) is connected with finished product jar (8) at the bottom of being positioned at tower, another discharge port (502) is positioned at cat head and is connected with the opening for feed (101) of azeotropy rectification column (1).
2, isopropyl ether recovering system according to claim 1, it is characterized in that: the opening for feed (101) of described azeotropy rectification column (1) is positioned at the middle and upper part of tower body, the discharge port (102) that is connected with hair oil water wash column (3) is positioned at cat head, and the discharge port (103) that is connected with isopropyl ether rectifying tower (2) is positioned at the bottom of the tower.
3, isopropyl ether recovering system according to claim 1, it is characterized in that: the opening for feed (201) of isopropyl ether rectifying tower (2) is positioned at the tower body middle part, the discharge port (202) that is connected with isopropyl ether water wash column (4) is positioned at cat head, and the discharge port (203) that is connected with storage tank (7) is positioned at the bottom of the tower.
4, isopropyl ether recovering system according to claim 1 is characterized in that: at the bottom of the opening for feed (401) of isopropyl ether water wash column (4) is positioned at tower, discharge port (402) is positioned at cat head.
5, isopropyl ether recovering system according to claim 1 is characterized in that: the opening for feed (301) of hair oil water wash column (3) is positioned at the bottom of the tower, and discharge port (302) is positioned at cat head.
6, isopropyl ether recovering system according to claim 1 is characterized in that: the opening for feed (501) of described isopropyl ether treating tower (5) is positioned at the tower body middle part.
7, isopropyl ether recovering system according to claim 1, it is characterized in that: the opening for feed (601) of described solvent recovery tower (6) is positioned at the tower body middle part, the discharge port (602) of solvent recovery tower (6) is positioned at cat head, and the water outlet (603) of solvent recovery tower (6) is positioned at the bottom of the tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100106523A CN100506772C (en) | 2007-03-15 | 2007-03-15 | Isopropyl ether recovering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100106523A CN100506772C (en) | 2007-03-15 | 2007-03-15 | Isopropyl ether recovering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101020624A CN101020624A (en) | 2007-08-22 |
| CN100506772C true CN100506772C (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100106523A Expired - Fee Related CN100506772C (en) | 2007-03-15 | 2007-03-15 | Isopropyl ether recovering system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106631801B (en) * | 2015-10-31 | 2019-07-05 | 湖南中创化工股份有限公司 | A kind of method and device for using methanol as impurity in the secondary butyl ester of entrainer separating acetic acid |
| CN106631798B (en) * | 2015-10-31 | 2019-07-05 | 湖南中创化工股份有限公司 | It is a kind of to use methanol as the method and device of impurity in the secondary butyl ester of entrainer separating acetic acid with solvent recovering system |
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2007
- 2007-03-15 CN CNB2007100106523A patent/CN100506772C/en not_active Expired - Fee Related
Non-Patent Citations (8)
| Title |
|---|
| 从异丙醇装置副产中分离精制异丙醚的工艺研究. 刘杰等.化工技术与开发，第33卷第5期. 2004 |
| 从异丙醇装置副产中分离精制异丙醚的工艺研究. 刘杰等.化工技术与开发，第33卷第5期. 2004 * |
| 合成异丙醚的研究进展. 李树凯等.锦州师范学院学报，第21卷第4期. 2000 |
| 合成异丙醚的研究进展. 李树凯等.锦州师范学院学报，第21卷第4期. 2000 * |
| 异丙醇生产装置回收工业异丙醚. 贺文吉.辽宁化工，第2期. 1985 |
| 异丙醇生产装置回收工业异丙醚. 贺文吉.辽宁化工，第2期. 1985 * |
| 异丙醇装置的副产物杂醇油的纯化工艺研究. 刘杰等.精细石油化工进展，第5卷第10期. 2004 |
| 异丙醇装置的副产物杂醇油的纯化工艺研究. 刘杰等.精细石油化工进展，第5卷第10期. 2004 * |
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| CN101020624A (en) | 2007-08-22 |
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Granted publication date: 20090701 Termination date: 20170315 |