CN102249849A - Device for producing anhydrous alcohol - Google Patents
Device for producing anhydrous alcohol Download PDFInfo
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- CN102249849A CN102249849A CN2011101111506A CN201110111150A CN102249849A CN 102249849 A CN102249849 A CN 102249849A CN 2011101111506 A CN2011101111506 A CN 2011101111506A CN 201110111150 A CN201110111150 A CN 201110111150A CN 102249849 A CN102249849 A CN 102249849A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a device for producing anhydrous alcohol, which comprises a rectification tower and a permeation and vaporization membrane element. The invention is characterized in that an outlet of a raw material tank is connected with an inlet tube of a feed pump A, an outlet tube of the feed pump A is connected with an inlet tube of the rectification tower, an outlet tube of the rectification tower is connected with an inlet of a condenser A, an outlet of the condenser A is connected with an inlet tube of a 95% alcohol tank, an outlet of the 95% alcohol tank is connected with an inlet tube of a feed pump B, an outlet tube of the feed pump B is connected with an inlet of a preheater, an outlet of the preheater is connected with an inlet of a heater assembly, an outlet of the heater assembly is connected with an inlet tube of the permeation and vaporization membrane element, and an outlet tube of the permeation and vaporization membrane element is connected with a finished product tank. In the invention, hydrous alcohol is rectified and separated through the permeation and vaporization membrane to obtain the anhydrous alcohol, and the anhydrous alcohol is put into later operation, thereby implementing energy saving, environmental protection and high efficiency in the production process. The device is simple to operate and can operate stably.
Description
Technical field
The invention belongs to the production unit of chemical field, be specifically related to a kind of device of producing dehydrated alcohol.
Background technology
Can produce a large amount of aqueous ethanols in producing dimethyl isophthalate Chemicals technology, the enterprise that does not recycle ability can only be processed into fuel to aqueous ethanol and use, and has greatly wasted resource; The enterprise that has adopts traditional processed technology, but power consumption is big, recirculated cooling water consumes height, and can only obtain the ethanol of purity below 99%.
Summary of the invention
The purpose of this invention is to provide a kind of device of producing dehydrated alcohol, the moisture in the aqueous ethanol is separated, thereby obtain dehydrated alcohol by infiltration vaporization membrane module.
For achieving the above object, the technical scheme that the present invention takes is: a kind of device of producing dehydrated alcohol, comprise rectifying tower (2) and infiltration vaporization membrane module (9), it is characterized in that: the outlet of head tank (1) is connected with the inlet tube of A fresh feed pump (5), the outlet pipe of A fresh feed pump (5) is connected with the inlet tube of rectifying tower (2), the outlet pipe of rectifying tower (2) is connected with the inlet of A condenser (3), the outlet of A condenser (3) is connected with the inlet tube of 95% ethanol jar (6), the outlet of 95% ethanol jar (6) is connected with the inlet tube of B fresh feed pump (7), the outlet pipe of B fresh feed pump (7) is connected with the inlet of preheater (4), the outlet of preheater (4) is connected with the inlet of Heater group (8), the outlet of Heater group (8) is connected with the inlet tube of infiltration vaporization membrane module (9), and the outlet pipe of infiltration vaporization membrane module (9) is connected with finished product jar (11).
Described rectifying tower (2) is 100 blocks of column plates.
The outlet of described preheater (4) is provided with flow director (12).
Described infiltration vaporization membrane module (9) is composed in series by ten grades of infiltrating and vaporizing membrane spares, and described Heater group (8) is made up of ten well heaters; The outlet of flow director (12) is connected with the inlet tube of one-level well heater (81), the outlet pipe of one-level well heater (81) is connected with the inlet of one-level infiltrating and vaporizing membrane spare (91), and the outlet of one-level infiltrating and vaporizing membrane spare (91) is connected with the inlet tube of secondary well heater (82); The outlet pipe of secondary well heater (82) is connected with the inlet of secondary infiltrating and vaporizing membrane spare (92), (92) outlet of secondary infiltrating and vaporizing membrane spare is connected with three grades of well heaters (83) inlet tube, by that analogy, the outlet that guarantees each grade infiltrating and vaporizing membrane spare is connected with next stage calorifier inlets pipe, and the inlet of each grade heater outlet Guan Yutong one-level infiltrating and vaporizing membrane spare is connected; The outlet of nine grades of infiltrating and vaporizing membrane spares (99) is connected with the inlet tube of ten grades of well heaters (810), ten grades of well heaters (810) outlet pipe is connected with the inlet of ten grades of infiltrating and vaporizing membrane spares (910), and the outlet of ten grades of infiltrating and vaporizing membrane spares (910) is connected with finished product jar (11).
Described infiltration vaporization membrane module (9) is located in the vacuum (-tight) housing, and this vacuum (-tight) housing is connected with vacuum pump.
Described membrane module (9) is provided with rising pipe, and this rising pipe is connected with the inlet of B condenser (10), and the outlet pipe of B condenser (10) is connected with the inlet of head tank (1).
The invention has the beneficial effects as follows: the aqueous ethanol that produces in the production process by rectifying and infiltration evaporation membrane sepn, is obtained dehydrated alcohol, continue to come into operation, realized the energy-saving and environmental protection, efficient of production process, this operation of equipment is simple, and is stable.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the layout synoptic diagram of Heater group of the present invention and infiltration vaporization membrane module;
Among the figure: 1-head tank, 2-rectifying tower, 3-A condenser, the 4-preheater, 5-A fresh feed pump, 6-95% ethanol jar, the 7-B fresh feed pump, the 8-Heater group, 81-one-level well heater, 82-secondary well heater, three grades of well heaters of 83-, four to nine grades of well heaters of 84-9-, ten grades of well heaters of 810-, 9-infiltration vaporization membrane module, 91-one-level infiltrating and vaporizing membrane spare, 92-secondary infiltrating and vaporizing membrane spare, three grades of infiltrating and vaporizing membrane spares of 93-, four to nine grades of infiltrating and vaporizing membrane spares of 94-9-, ten grades of infiltrating and vaporizing membrane spares of 910-, the 10-B condenser, 11-finished product jar, 12-flow director.
Among Fig. 2 because every grade of well heater is identical with the mode of connection of every grade of infiltrating and vaporizing membrane spare, the Therefore, omited the 4th to the 9th grade of well heater layout synoptic diagram with corresponding the 4th to the 9th grade of infiltrating and vaporizing membrane spare.
Embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
Embodiment 1: see Fig. 1, a kind of device of producing dehydrated alcohol, comprise rectifying tower 2 and infiltration vaporization membrane module 9, the outlet that it is characterized in that head tank 1 is connected with the inlet tube of A fresh feed pump 5, the outlet pipe of A fresh feed pump 5 is connected with the inlet tube of rectifying tower 2, the outlet pipe of rectifying tower 2 is connected with the inlet of A condenser 3, the outlet of A condenser 3 is connected with the inlet tube of 95% ethanol jar 6, the outlet of 95% ethanol jar 6 is connected with the inlet tube of B fresh feed pump 7, the outlet pipe of B fresh feed pump 7 is connected with the inlet of preheater 4, the outlet of preheater 4 is connected with the inlet of Heater group 8, the outlet of Heater group 8 is connected with the inlet tube of infiltration vaporization membrane module 9, and the outlet pipe of infiltration vaporization membrane module 9 is connected with finished product jar 11.
Described rectifying tower 2 is 100 blocks of column plates.
The outlet of described B fresh feed pump 7 is provided with flow director 12.
See Fig. 2, described infiltration vaporization membrane module 9 is composed in series by ten grades of infiltrating and vaporizing membrane spares, and described Heater group 8 is made up of ten well heaters; The outlet of flow director 12 is connected with the inlet tube of one-level well heater 81, and the outlet pipe of one-level well heater 81 is connected with the inlet of one-level infiltrating and vaporizing membrane spare 91, and the outlet of one-level infiltrating and vaporizing membrane spare 91 is connected with the inlet tube of secondary well heater 82; The outlet pipe of secondary well heater 82 is connected with the inlet of secondary infiltrating and vaporizing membrane spare 92,92 outlets of secondary infiltrating and vaporizing membrane spare are connected with three grades of well heater 83 inlet tubes, by that analogy, the outlet that guarantees each grade infiltrating and vaporizing membrane spare is connected with next stage calorifier inlets pipe, and the inlet of each grade heater outlet Guan Yutong one-level infiltrating and vaporizing membrane spare is connected; The outlet of nine grades of infiltrating and vaporizing membrane spares 99 is connected with the inlet tube of ten grades of well heaters 810, and ten grades of well heater 810 outlet pipes are connected with the inlet of ten grades of infiltrating and vaporizing membrane spares 910, and the outlet of ten grades of infiltrating and vaporizing membrane spares 910 is connected with finished product jar 11.
Described infiltration vaporization membrane module 9 is located in the vacuum (-tight) housing, and this vacuum (-tight) housing is connected with vacuum pump.
Described membrane module 9 is provided with rising pipe, and this rising pipe is connected with the inlet of B condenser 10, and the outlet pipe of B condenser 10 is connected with the inlet of head tank 1.
Working process of the present invention is as follows:
20%-80% mixed ethanol solution in the head tank 1 is entered rectifying tower 2 by A fresh feed pump 5 carry out rectifying, the ethanol of output is 95% ethanol by 3 condensations of A condenser, enter 95% ethanol jar 6, enter preheater 4 by B fresh feed pump 7 then and carry out preheating, the one-level well heater 81 that enters Heater group 8 then heats, temperature reaches 88 ℃ of-91 ℃ of laggard one-level infiltrating and vaporizing membrane spares 91 of going into to permeate vaporization membrane module 9, enter secondary well heater 82 after the dehydration again to replenish the heat that is lost behind the moisture content, enter secondary infiltrating and vaporizing membrane spare 92 after the heating again, enter three grades of well heaters 83 after the dehydration to replenish the heat that is lost behind the moisture content, enter three grades of infiltrating and vaporizing membrane spares 93 after the heating again, by that analogy, until entering ten grades of infiltration vaporization membrane modules, the ethanol of dehydration back gained is dehydrated alcohol, outlet pipe by infiltration vaporization membrane module 9 enters finished product jar 11, infiltration vaporization membrane module 9 piece cover are in vacuum (-tight) housing, during its work, vacuum pump continues to vacuumize, and keeps infiltration vaporization membrane module 9 to work under vacuum environment.The water that each grade infiltrating and vaporizing membrane spare is deviate from stops in the liquid-phase chamber of infiltrating and vaporizing membrane spare, is turned back in the head tank 1 by the vacuum sucking-off through B condenser 10, circulates next time.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. device of producing dehydrated alcohol, comprise rectifying tower (2) and infiltration vaporization membrane module (9), the outlet that it is characterized in that head tank (1) is connected with the inlet tube of A fresh feed pump (5), the outlet pipe of A fresh feed pump (5) is connected with the inlet tube of rectifying tower (2), the outlet pipe of rectifying tower (2) is connected with the inlet of A condenser (3), the outlet of A condenser (3) is connected with the inlet tube of 95% ethanol jar (6), the outlet of 95% ethanol jar (6) is connected with the inlet tube of B fresh feed pump (7), the outlet pipe of B fresh feed pump (7) is connected with the inlet of preheater (4), the outlet of preheater (4) is connected with the inlet of Heater group (8), the outlet of Heater group (8) is connected with the inlet tube of infiltration vaporization membrane module (9), and the outlet pipe of infiltration vaporization membrane module (9) is connected with finished product jar (11).
2. a kind of device of producing dehydrated alcohol as claimed in claim 1 is characterized in that described rectifying tower (2) is 100 blocks of column plates.
3. a kind of device of producing dehydrated alcohol as claimed in claim 1 is characterized in that the outlet of described preheater (4) is provided with flow director (12).
4. a kind of device of producing dehydrated alcohol as claimed in claim 1 is characterized in that described infiltration vaporization membrane module (9) is composed in series by ten grades of infiltrating and vaporizing membrane spares, and described Heater group (8) is made up of ten well heaters; The outlet of flow director (12) is connected with the inlet tube of one-level well heater (81), the outlet pipe of one-level well heater (81) is connected with the inlet of one-level infiltrating and vaporizing membrane spare (91), and the outlet of one-level infiltrating and vaporizing membrane spare (91) is connected with the inlet tube of secondary well heater (82); The outlet pipe of secondary well heater (82) is connected with the inlet of secondary infiltrating and vaporizing membrane spare (92), (92) outlet of secondary infiltrating and vaporizing membrane spare is connected with three grades of well heaters (83) inlet tube, by that analogy, the outlet that guarantees each grade infiltrating and vaporizing membrane spare is connected with next stage calorifier inlets pipe, and the inlet of each grade heater outlet Guan Yutong one-level infiltrating and vaporizing membrane spare is connected; The outlet of nine grades of infiltrating and vaporizing membrane spares (99) is connected with the inlet tube of ten grades of well heaters (810), ten grades of well heaters (810) outlet pipe is connected with the inlet of ten grades of infiltrating and vaporizing membrane spares (910), and the outlet of ten grades of infiltrating and vaporizing membrane spares (910) is connected with finished product jar (11).
5. a kind of device of producing dehydrated alcohol as claimed in claim 1 is characterized in that described infiltration vaporization membrane module (9) is located in the vacuum (-tight) housing, and this vacuum (-tight) housing is connected with vacuum pump.
6. a kind of device of producing dehydrated alcohol as claimed in claim 1 is characterized in that described membrane module (9) is provided with rising pipe, and this rising pipe is connected with the inlet of B condenser (10), and the outlet pipe of B condenser (10) is connected with the inlet of head tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101111506A CN102249849A (en) | 2011-04-30 | 2011-04-30 | Device for producing anhydrous alcohol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101111506A CN102249849A (en) | 2011-04-30 | 2011-04-30 | Device for producing anhydrous alcohol |
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| CN102249849A true CN102249849A (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101111506A Pending CN102249849A (en) | 2011-04-30 | 2011-04-30 | Device for producing anhydrous alcohol |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071307A (en) * | 2013-01-23 | 2013-05-01 | 江苏九天高科技股份有限公司 | Rectification-steam penetration-coupled organic solvent dewatering method and device |
| CN103570492A (en) * | 2012-07-26 | 2014-02-12 | 亚申科技研发中心（上海）有限公司 | Process and system for preparation of ethanol through hydrogenation of crude methyl acetate by-product obtained in production of polyvinyl alcohol |
| CN105218316A (en) * | 2014-11-28 | 2016-01-06 | 杭州奇纯膜技术有限公司 | A kind of hollow fiber pervaporation membrane prepares the device and method of dehydrated alcohol |
| CN110698324A (en) * | 2019-11-20 | 2020-01-17 | 南京工业大学 | Device and novel process for producing fuel ethanol and electronic grade ethanol by rectification-membrane separation coupling method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074445A (en) * | 2006-05-17 | 2007-11-21 | 杨蕴力 | Method for preparing absolute alcohol by purple potato dregs after extracting pigment |
| CN202081037U (en) * | 2011-04-30 | 2011-12-21 | 白银阳明银光化工有限公司 | Device for producing anhydrous ethanol |
-
2011
- 2011-04-30 CN CN2011101111506A patent/CN102249849A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074445A (en) * | 2006-05-17 | 2007-11-21 | 杨蕴力 | Method for preparing absolute alcohol by purple potato dregs after extracting pigment |
| CN202081037U (en) * | 2011-04-30 | 2011-12-21 | 白银阳明银光化工有限公司 | Device for producing anhydrous ethanol |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570492A (en) * | 2012-07-26 | 2014-02-12 | 亚申科技研发中心（上海）有限公司 | Process and system for preparation of ethanol through hydrogenation of crude methyl acetate by-product obtained in production of polyvinyl alcohol |
| CN103570492B (en) * | 2012-07-26 | 2015-09-09 | 亚申科技研发中心（上海）有限公司 | The technique of the crude methyl acetate hydrogenation of net product ethanol of by-product and system in a kind of polyvinyl alcohol production process |
| CN103071307A (en) * | 2013-01-23 | 2013-05-01 | 江苏九天高科技股份有限公司 | Rectification-steam penetration-coupled organic solvent dewatering method and device |
| CN105218316A (en) * | 2014-11-28 | 2016-01-06 | 杭州奇纯膜技术有限公司 | A kind of hollow fiber pervaporation membrane prepares the device and method of dehydrated alcohol |
| CN110698324A (en) * | 2019-11-20 | 2020-01-17 | 南京工业大学 | Device and novel process for producing fuel ethanol and electronic grade ethanol by rectification-membrane separation coupling method |
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Application publication date: 20111123 |