CN105126623A - Membrane pervaporation system and method - Google Patents
Membrane pervaporation system and method Download PDFInfo
- Publication number
- CN105126623A CN105126623A CN201510605301.1A CN201510605301A CN105126623A CN 105126623 A CN105126623 A CN 105126623A CN 201510605301 A CN201510605301 A CN 201510605301A CN 105126623 A CN105126623 A CN 105126623A
- Authority
- CN
- China
- Prior art keywords
- magnetic valve
- ethanol
- pervaporation
- storage tank
- container
- 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.)
- Pending
Links
Abstract
The invention discloses a membrane pervaporation system and method. The system comprises an ethanol permeable membrane, a vacuum pump, a cold trap, a sewage storage tank, an ethanol storage tank, a pervaporation container and a circulating water pump, wherein the ethanol permeable membrane is mounted in the pervaporation container; a gas phase outlet of the pervaporation container is connected with a feed port of the cold trap through a first electromagnetic valve, a discharge port of the cold trap is connected with the ethanol storage tank through a second electromagnetic valve, and the vacuum pump is connected with the cold trap; a liquid phase outlet of the pervaporation container is connected with the sewage storage tank through a third electromagnetic valve and connected with the pervaporation container through a fourth electromagnetic valve, the circulating water pump and a fifth electromagnetic valve; the sewage storage tank is connected with the circulating water pump through a sixth electromagnetic valve and the fourth electromagnetic valve; the water outlet end of the circulating water pump is connected with a space station water purification processing system through a seventh electromagnetic valve and an eighth electromagnetic valve. According to the membrane pervaporation system and method, the whole separation and purification process is performed at the normal temperature, the problem about product processing stability is solved, and the continuous operation of mass production is realized.
Description
Technical field
The invention belongs to pervaporation control field, relate to a kind of be applied in the degradable garbage treatment system of space station carry out separation of ethanol storage and sewage recycling system and method.
Background technology
Along with the raising of modern science and technology level, country more and more payes attention to the development of aerospace science technology.Further, China plans to build up space station in about the year two thousand twenty, as the important base that China's Space science and new industrial research are tested, has several astronaut when the time comes and lives for a long time in space station, works.So, garbage disposal just becomes the large problem that everybody must pay attention to.Refuse treatment plant used at present mainly uses the degradation of microorganism to be degraded to the degree that can be utilized, but ethanol and aqueous mixtures can be produced after microbial degradation, if ethanol and moisture can be left and recycle, ample resources will be saved, cut the waste as far as possible, namely save in the face of the supply in space.
Summary of the invention
In order to solve in space station liquid waste processing problem in refuse disposal system, the invention provides a kind of film permeation vapo(u)rization system and method, the separation of ethanol and the purified treatment of sewage and recycling can be realized.
The object of the invention is to be achieved through the following technical solutions:
A kind of film permeation vapo(u)rization system, comprise ethanol infiltration film, vavuum pump, cold-trap, sewage storage tank, ethanol storage tank, pervaporation container and water circulating pump, wherein: ethanol infiltration film is installed in pervaporation container, the gaseous phase outlet of pervaporation container is connected with the charging aperture of cold-trap through the first magnetic valve, the discharging opening of cold-trap is connected with ethanol storage tank through the second magnetic valve, and vavuum pump is connected with cold-trap through the 9th magnetic valve; The liquid-phase outlet of pervaporation container is connected with sewage storage tank through the 3rd magnetic valve respectively, is connected with pervaporation container through the 4th magnetic valve, water circulating pump, the 5th magnetic valve; Sewage storage tank is connected with water circulating pump through the 6th magnetic valve, the 4th magnetic valve; Water circulating pump water side the 7th magnetic valve is connected with space station water purification treatment system with the 8th magnetic valve.
A kind of film permeation vapo(u)rization system control method, step is as follows:
Step one: the liquid entered in pervaporation container makes ethanol phase and aqueous phase separation through ethanol infiltration film, and ethanol becomes steam, water still keeps liquid state to stay in pervaporation container;
Step 2: ethanol is cooled to liquid state through the first magnetic valve by cold-trap, enters ethanol storage tank;
Step 3: after first removing ethanol, liquid phase enters in pervaporation container by the 4th magnetic valve, water circulating pump, the 5th magnetic valve again, carries out secondary removing ethanol, 2-3 time so repeatedly;
Step 4: completely after Ex-all ethanol, the liquid obtained enters sewage storage tank through the 3rd magnetic valve, when reaching 2/3 of sewage storage tank volume, sewage is through the 6th magnetic valve, the 4th magnetic valve, water circulating pump, the 7th magnetic valve and the 8th magnetic valve Injection Space station water purification treatment system.
In the present invention, ethanol infiltration film be chosen as with Kynoar (PVDF) be basement membrane, dimethyl silicone polymer (PDMS) is select the PDMS/PVDF composite membrane prepared of layer, this composite membrane Environmental Safety more, and separative efficiency is better, the clearance of ethanol can reach 50-95%.
In the present invention, the liquid entered in pervaporation container is the mixture of ethanol and the water obtained after circulation streaming membrane bioreactor.
In the present invention, cold-trap is with the trap of mode captured gas of condensing on the surface of cooling, and compared with traditional cold radiator cooler, cold-trap is conducive to steam condensation on the one hand, improves organic solvent evaporation density on the other hand, is easier to condensation.
In the present invention, ethanol storage tank upper end connects cold-trap, and alcohol vapour becomes liquid ethanol and enters ethanol storage tank after cold-trap cooling, avoids the waste of ethanol, also avoids ethanol to enter space-pollution space air.
In the present invention, the capacity of ethanol storage tank is 10-100L.
In the present invention, liquid needs iterative cycles, with separating alcohol to greatest extent.
In the present invention, the liquid of Ex-all ethanol will be purified waste water by water circulation system and recycle.
Tool of the present invention has the following advantages:
1, can be used as a part for space station degradable garbage treatment system, be applied to the volatilizable bioenergies such as the ethanol in separating bio reactor zymotic fluid, and temporarily store ethanol and reactor waste water;
2, adopt novel PDMS/PVDF composite membrane and cold-trap as condensing plant, make separating effect better;
3, effectively reclaim ethanol, solve ethanol in space and use problem;
4, water circulation use in space can be realized, saving resource;
5, all separation and purification process is carried out at normal temperatures, solves Product processing stability problem, achieves the continuous operation of large-scale production;
6, shorten the separation and purification cycle, simplified operation easier, reduce Product processing cost;
7, improve product quality, solve sewage handling problem.
Accompanying drawing explanation
Fig. 1 is that film permeation vapo(u)rization system controls schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is further described; but be not limited thereto; everyly technical solution of the present invention modified or equivalent to replace, and not departing from the spirit and scope of technical solution of the present invention, all should be encompassed in protection scope of the present invention.
As shown in Figure 1, film permeation vapo(u)rization system system described in the invention of this reality is made up of ethanol infiltration film 1, vavuum pump 2, cold-trap 3, sewage storage tank 4, ethanol storage tank 5, pervaporation container 6 and water circulating pump 7, be connected with control valve by pipeline according to process control between each equipment, concrete annexation is as follows:
Ethanol infiltration film 1 is installed in pervaporation container 6, be chosen as with Kynoar (PVDF) be basement membrane, dimethyl silicone polymer (PDMS) is select the PDMS/PVDF composite membrane prepared of layer.The gaseous phase outlet of pervaporation container 6 is connected with the charging aperture of cold-trap 3 through the first magnetic valve 8, and the discharging opening of cold-trap 3 is connected with ethanol storage tank 5 through the second magnetic valve 9, and vavuum pump 2 is connected with cold-trap 3 through the 9th magnetic valve 16; The liquid-phase outlet of pervaporation container 6 is connected with sewage storage tank 4 through the 3rd magnetic valve 10 respectively, is connected with pervaporation container 6 through the 4th magnetic valve 11, water circulating pump 7, the 5th magnetic valve 12; Sewage storage tank 4 is connected with water circulating pump 7 through the 6th magnetic valve 13, the 4th magnetic valve 11; Water circulating pump 7 water side the 7th magnetic valve 14 is connected with space station water purification treatment system with the 8th magnetic valve 15.
A kind of film permeation vapo(u)rization system control method, step is as follows:
Step one: the liquid entered in pervaporation container makes ethanol phase and aqueous phase separation through ethanol infiltration film, and ethanol becomes steam, water still keeps liquid state to stay in pervaporation container;
Step 2: ethanol is cooled to liquid state through the first magnetic valve by cold-trap, enters ethanol storage tank;
Step 3: after first removing ethanol, liquid phase enters in pervaporation container by the 4th magnetic valve, water circulating pump, the 5th magnetic valve again, carries out secondary removing ethanol, 2-3 time so repeatedly;
Step 4: completely after Ex-all ethanol, the liquid obtained enters sewage storage tank through the 3rd magnetic valve, when reaching 2/3 of sewage storage tank volume, sewage is through the 6th magnetic valve, the 4th magnetic valve, water circulating pump, the 7th magnetic valve and the 8th magnetic valve Injection Space station water purification treatment system.
Claims (5)
1. a film permeation vapo(u)rization system, it is characterized in that described system is by ethanol infiltration film, vavuum pump, cold-trap, sewage storage tank, ethanol storage tank, pervaporation container and water circulating pump, wherein: ethanol infiltration film is installed in pervaporation container, the gaseous phase outlet of pervaporation container is connected with the charging aperture of cold-trap through the first magnetic valve, the discharging opening of cold-trap is connected with ethanol storage tank through the second magnetic valve, and vavuum pump is connected with cold-trap through the 9th magnetic valve; The liquid-phase outlet of pervaporation container is connected with sewage storage tank through the 3rd magnetic valve respectively, is connected with pervaporation container through the 4th magnetic valve, water circulating pump, the 5th magnetic valve; Sewage storage tank is connected with water circulating pump through the 6th magnetic valve, the 4th magnetic valve; Water circulating pump water side the 7th magnetic valve is connected with space station water purification treatment system with the 8th magnetic valve.
2. film permeation vapo(u)rization system according to claim 1, the PDMS/PVDF composite membrane that it is characterized in that described ethanol infiltration film to be chosen as with PVDF be basement membrane, PDMS is prepared for selecting layer.
3. film permeation vapo(u)rization system according to claim 1, is characterized in that the capacity of described ethanol storage tank is 10-100L.
4. a film permeation vapo(u)rization system control method, is characterized in that described method step is as follows:
Step one: the liquid entered in pervaporation container makes ethanol phase and aqueous phase separation through ethanol infiltration film, and ethanol becomes steam, water still keeps liquid state to stay in pervaporation container;
Step 2: ethanol is cooled to liquid state through the first magnetic valve by cold-trap, enters ethanol storage tank;
Step 3: after first removing ethanol, liquid phase enters in pervaporation container by the 4th magnetic valve, water circulating pump, the 5th magnetic valve again, carries out secondary removing ethanol, 2-3 time so repeatedly;
Step 4: completely after Ex-all ethanol, the liquid obtained enters sewage storage tank through the 3rd magnetic valve, when reaching 2/3 of sewage storage tank volume, sewage is through the 6th magnetic valve, the 4th magnetic valve, water circulating pump, the 7th magnetic valve and the 8th magnetic valve Injection Space station water purification treatment system.
5. film permeation vapo(u)rization system control method according to claim 4, the liquid entered described in it is characterized in that in pervaporation container is the mixture of ethanol and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510605301.1A CN105126623A (en) | 2015-09-22 | 2015-09-22 | Membrane pervaporation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510605301.1A CN105126623A (en) | 2015-09-22 | 2015-09-22 | Membrane pervaporation system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105126623A true CN105126623A (en) | 2015-12-09 |
Family
ID=54712398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510605301.1A Pending CN105126623A (en) | 2015-09-22 | 2015-09-22 | Membrane pervaporation system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105126623A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138506A (en) * | 2017-06-01 | 2017-09-08 | 西北工业大学 | Space station house refuse, defecation excreta collection and processing system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6393303A (en) * | 1986-10-08 | 1988-04-23 | Toray Ind Inc | Separation of organic liquid mixture and apparatus thereof |
| TW224058B (en) * | 1990-12-27 | 1994-05-21 | Mitsubishi Chemicals Co Ltd | |
| CN101143305A (en) * | 2007-07-06 | 2008-03-19 | 清华大学 | Priority dealcoholization PDMS/PVDF multi-layer compound film and preparation method thereof |
| CN202143820U (en) * | 2011-07-11 | 2012-02-15 | 长春工业大学 | Comprehensive experimental device for pervaporation |
| CN102584513A (en) * | 2012-02-27 | 2012-07-18 | 江西师范大学 | Method for preparing ketal by catalysis of ionic liquid and dehydration of acid-resistant molecular sieve membrane |
| CN102989320A (en) * | 2012-09-24 | 2013-03-27 | 上海师范大学 | Separation for mixture of methanol and dimethyl carbonate by adopting industrial waste chlorine-alkali membrane |
| CN103420793A (en) * | 2013-07-31 | 2013-12-04 | 大连理工大学 | Method for separating and purifying butanol with polyvinylidene fluoride-dimethyl silicone polymer composite film |
| CN103566783A (en) * | 2013-11-13 | 2014-02-12 | 济南泰易膜科技有限公司 | Polydimethylsiloxane (PDMS)-base layer polyvinylidene fluoride (PVDF)-separating layer pervaporation membrane and preparation method thereof |
-
2015
- 2015-09-22 CN CN201510605301.1A patent/CN105126623A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6393303A (en) * | 1986-10-08 | 1988-04-23 | Toray Ind Inc | Separation of organic liquid mixture and apparatus thereof |
| TW224058B (en) * | 1990-12-27 | 1994-05-21 | Mitsubishi Chemicals Co Ltd | |
| CN101143305A (en) * | 2007-07-06 | 2008-03-19 | 清华大学 | Priority dealcoholization PDMS/PVDF multi-layer compound film and preparation method thereof |
| CN202143820U (en) * | 2011-07-11 | 2012-02-15 | 长春工业大学 | Comprehensive experimental device for pervaporation |
| CN102584513A (en) * | 2012-02-27 | 2012-07-18 | 江西师范大学 | Method for preparing ketal by catalysis of ionic liquid and dehydration of acid-resistant molecular sieve membrane |
| CN102989320A (en) * | 2012-09-24 | 2013-03-27 | 上海师范大学 | Separation for mixture of methanol and dimethyl carbonate by adopting industrial waste chlorine-alkali membrane |
| CN103420793A (en) * | 2013-07-31 | 2013-12-04 | 大连理工大学 | Method for separating and purifying butanol with polyvinylidene fluoride-dimethyl silicone polymer composite film |
| CN103566783A (en) * | 2013-11-13 | 2014-02-12 | 济南泰易膜科技有限公司 | Polydimethylsiloxane (PDMS)-base layer polyvinylidene fluoride (PVDF)-separating layer pervaporation membrane and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138506A (en) * | 2017-06-01 | 2017-09-08 | 西北工业大学 | Space station house refuse, defecation excreta collection and processing system |
| CN107138506B (en) * | 2017-06-01 | 2019-05-24 | 西北工业大学 | Space station house refuse, defecation excreta collection and processing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102126767B (en) | Distillation and separation device for aqueous solution by negative pressure evaporation driven by solar energy/low temperature heat energy and method for obtaining distilled water | |
| CN203123770U (en) | Discharge system capable of reducing organic tail gas during production of basic epoxy resin | |
| CN103709022B (en) | A kind of pervaporation method reclaims technique and the device of butanone | |
| CN103933826B (en) | A kind of processing method of cumyl peroxide process gas | |
| CN101186347A (en) | Method for reclaiming low boiling point organic solvent from waste water | |
| CN105126623A (en) | Membrane pervaporation system and method | |
| CN103396297A (en) | Thermal coupling energy saving system and operation method for recovering organism from propylene epoxidation reaction wastewater | |
| CN103613480B (en) | Device and method for recycling low-concentration organic solvent | |
| CN204261368U (en) | A kind of low-boiling-point substance reclaimer | |
| CN209423012U (en) | Organic solvent recovery device in a kind of Chinese medicine extract | |
| CN101954196B (en) | Distillation recovery system | |
| CN206281263U (en) | A kind of useless air-conditioning refrigerant reclaiming clean device | |
| CN103752143A (en) | High temperature organic solvent exhaust-gas treatment apparatus | |
| CN206334375U (en) | A kind of polyalcohol recovery system | |
| CN204159066U (en) | Chemical volatility gas discharging retracting device | |
| CN204265453U (en) | A kind of device of lower concentration ammoniacal liquor high purity ammonia | |
| CN212166958U (en) | Pretreatment device for dichloromethane waste gas recovery | |
| CN204051016U (en) | A kind of three condenser systems for reclaiming ethanol | |
| CN203677975U (en) | Reduced-pressure distillation vacuum system | |
| US9684314B1 (en) | Gas collection | |
| CN112661219A (en) | Low-temperature vacuum evaporator capable of being preheated quickly | |
| CN202044803U (en) | High-vacuum condensing recovery system | |
| CN217152300U (en) | Water ring vacuum pump environmental protection water-saving system | |
| CN105107829A (en) | Automatic degradable garbage treatment system and method for space station | |
| CN202740808U (en) | Environment-friendly recovering device for barreled organic solvent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |
|
| RJ01 | Rejection of invention patent application after publication |