CN203379813U - Vacuum membrane distillation experimental device - Google Patents
Vacuum membrane distillation experimental device Download PDFInfo
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- CN203379813U CN203379813U CN201320192897.3U CN201320192897U CN203379813U CN 203379813 U CN203379813 U CN 203379813U CN 201320192897 U CN201320192897 U CN 201320192897U CN 203379813 U CN203379813 U CN 203379813U
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- membrane distillation
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Abstract
The utility model provides a vacuum membrane distillation experimental device. The device can be used for treating industrial high-salt circulating water, a concentrated high-concentration water-soluble starch water solution and a concentrated high-concentration protein water solution. The device comprises two parts, namely a membrane distillation system and a condensation system, wherein the membrane distillation system comprises two parts, namely a flat membrane treatment system and a hollow fiber membrane treatment system, which are connected in parallel. Main equipment of the experimental device comprises a material liquid storage tank with a heating device, a fluoroplastic magnetic pump, a pressure gauge, a flowmeter, a membrane component, a condensation device, a low-temperature thermostatic bath, an oil-sealed rotary vane vacuum pump, a buffer tank and a drying device. The vacuum membrane distillation experimental device has the characteristics of strong experimental property, small occupied area, relatively low manufacturing cost, convenience in operation, intuitive experimental effects, no environmental pollution and the like, and is suitable for experimental teaching.
Description
Technical field
The utility model belongs to the teaching equipment field.
Background technology
Film distillation technology is applied in the reality productions such as seawater or brackish water desalination, food industry inspissated juice gradually in recent years.Film distillation can reach 100% rejection in theory, and can under higher feed concentration condition, move, and can obtain very high the seeing through liquid and be concentrated into the concentrate of hypersaturated state of purity.Therefore, open up dynamical film distillation technology significant.Vacuum membrane distillation is an important branch of film distillation technology.
Summary of the invention
The utility model purpose is that exploitation has low energy consumption, the large and nontoxic vacuum membrane distillation experimental provision of production capacity.
This vacuum membrane distillation experimental provision, be comprised of feed liquid circulating system and low-pressure steam cooling system; Feed liquid circulating system is by feed liquid storage tank 1, fluoroplastic magnetic pump 2, and spinner flowmeter 3, Pressure gauge 4, flat sheet membrane distillation assembly 5, hollow-fibre membrane distillation assembly 6 forms; The low-pressure steam cooling system is by vacuum meter 7, serpentine condenser 8, and low temperature thermostat bath 9, feeder 10, surge tank 11, drier 12, oil sealing sliding vane rotary vacuum pump 13 forms.
The utlity model has two kinds of systems, feed liquid circulating system and low-pressure steam cooling system;
Feed liquid circulating system has 2 kinds of patterns:
Pattern 1: the feed liquid in feed liquid storage tank 1 is successively via fluoroplastic magnetic pump 2, and the spinner flowmeter 3 of flowing through, Pressure gauge 4, enter flat sheet membrane distillation assembly 5, returns feed liquid storage tank 1.
Pattern 2: the feed liquid in feed liquid storage tank 1 is successively via fluoroplastic magnetic pump 2, the spinner flowmeter 3 of flowing through, Pressure gauge 4, and hollow-fibre membrane distillation assembly 6, return feed liquid storage tank 1.
The low-pressure steam cooling system has 2 kinds of patterns:
Pattern 1: the low-pressure steam that flat sheet membrane distillation assembly 5 produces enters serpentine condenser 8 via vacuum meter 7, cooling fluid is collected by feeder 10, there is the incoagulable gas discharge pipe serpentine condenser 8 cooling fluid outlet positions, and the incoagulable gas discharge pipe is connected with oil sealing sliding vane rotary vacuum pump 13 through surge tank 11, drier 12 successively.
Pattern 2: the low-pressure steam that hollow-fibre membrane distillation assembly 6 produces enters serpentine condenser 8 via vacuum meter 7, cooling fluid is collected by feeder 10, there is the incoagulable gas discharge pipe serpentine condenser 8 cooling fluid outlet positions, and the incoagulable gas discharge pipe is connected with oil sealing sliding vane rotary vacuum pump 13 through surge tank 11, drier 12 successively.
The required cooling fluid of described serpentine condenser 8 is provided by low temperature thermostat bath 9.
The characteristics such as the utility model simplicity of design is reasonable, has floor space little, easy to operate, and experiment effect is directly perceived and nontoxic.Mainly as vacuum membrane distillation separating liquid mixture experimental teaching equipment.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation.
The specific embodiment
The utlity model has as shown in Figure 1 two kinds of systems, feed liquid circulating system and low-pressure steam cooling system;
Feed liquid circulating system has 2 kinds of patterns:
Pattern 1: the feed liquid in feed liquid storage tank 1 is successively via fluoroplastic magnetic pump 2, and the spinner flowmeter 3 of flowing through, Pressure gauge 4, enter flat sheet membrane distillation assembly 5, returns feed liquid storage tank 1.
Pattern 2: the feed liquid in feed liquid storage tank 1 is successively via fluoroplastic magnetic pump 2, the spinner flowmeter 3 of flowing through, Pressure gauge 4, and hollow-fibre membrane distillation assembly 6, return feed liquid storage tank 1.
The low-pressure steam cooling system has 2 kinds of patterns:
Pattern 1: the low-pressure steam that flat sheet membrane distillation assembly 5 produces enters serpentine condenser 8 via vacuum meter 7, cooling fluid is collected by feeder 10, there is the incoagulable gas discharge pipe serpentine condenser 8 cooling fluid outlet positions, and the incoagulable gas discharge pipe is connected with oil sealing sliding vane rotary vacuum pump 13 through surge tank 11, drier 12 successively.
Pattern 2: the low-pressure steam that hollow-fibre membrane distillation assembly 6 produces enters serpentine condenser 8 via vacuum meter 7, cooling fluid is collected by feeder 10, there is the incoagulable gas discharge pipe serpentine condenser 8 cooling fluid outlet positions, and the incoagulable gas discharge pipe is connected with oil sealing sliding vane rotary vacuum pump 13 through surge tank 11, drier 12 successively.
The required cooling fluid of described serpentine condenser 8 is provided by low temperature thermostat bath 9.
Below in conjunction with accompanying drawing, the utility model is described further:
After material liquid in the feed liquid storage tank is heated to design temperature, after flow through glass rotameter, Pressure gauge, enter plate film assembly or hollow fiber film assembly under the conveying of fluoroplastic magnetic pump, then flow back to the circulation of feed liquid storage tank; After opening the oil sealing sliding vane rotary vacuum pump, the side (cold side) that sees through of membrane module is negative pressure, under membrane module both sides pressure reduction promotes, part feed liquid is in film surface (hot side) vaporization, steam sees through membrane module and arrives cold side, and the vacuum meter of flowing through, arrive serpentine condenser, the liquid feeder that flows into is provided under the cooling fluid effect provided at low temperature thermostat bath.
At regular intervals the cooling fluid in feeder is collected, weighed, and, to feed liquid storage tank and feeder sample analysis, determine concentration of component.Before experiment, whole system is cleaned the film upstream by the feed liquid of low concentration, then uses washed with de-ionized water.
The utility model operating procedure is as follows:
(1) required flat sheet membrane packed in membrane module or hollow-fibre membrane is packed in membrane module, being screwed;
(2) configure certain density CaCl
2solution (the water soluble starch aqueous solution) is in the feed liquid storage tank, and heating, makes it reach experiment temperature required;
(3) close the bypass valve of feed liquid storage tank, close the hollow fiber film assembly branch road, open the plate film assembly branch road, open fluoroplastic magnetic pump recycle feed liquid, the plate film assembly branch road is hunted leak, after completing, closed the plate film assembly branch road, open the hollow fiber film assembly branch road and hunted leak, after completing, can carry out next step experiment;
(4) close a branch road, open another branch road, open low temperature thermostat bath and open refrigeration and circulation, open oil sealing blade vacuum system, and regulate vacuum;
(5) circulation 0.5-1 hour under the certain vacuum degree, make to be hunted leak after the film swelling.If entrained liquids in the steam that cold side flows out, illustrate the film defectiveness, must close all devices, the flawless film more renewed;
(6) if film does not leak, the fresh water collecting trough washery is clean, dry, to collect fresh water;
(7) after feed temperature, constant pressure, open oil sealing blade vacuum system, regulate the certain vacuum degree, start to carry out the film distillation test, regularly collect fresh water, and record the data such as feed velocity, temperature, the front pressure of film, film final vacuum degree;
(8), after arriving experimental period, the shutdown system power supply, by system emptying, weigh to the fresh water of collecting, and, to feed liquid storage tank and fresh water collecting groove sample analysis, measure the concentration that it forms and each forms;
(9) change feed velocity, temperature and vacuum, so repeatedly see through that liquid is collected, weighed, sample analysis.
Claims (1)
1. a vacuum membrane distillation experimental provision, it is characterized in that: this vacuum membrane distillation experimental provision is comprised of feed liquid circulating system and low-pressure steam cooling system; Feed liquid circulating system is by feed liquid storage tank (1), fluoroplastic magnetic pump (2), and spinner flowmeter (3), Pressure gauge (4), flat sheet membrane distillation assembly (5), hollow-fibre membrane distillation assembly (6) forms; The low-pressure steam cooling system is by vacuum meter (7), serpentine condenser (8), and low temperature thermostat bath (9), feeder (10), surge tank (11), drier (12), oil sealing sliding vane rotary vacuum pump (13) forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320192897.3U CN203379813U (en) | 2013-04-17 | 2013-04-17 | Vacuum membrane distillation experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320192897.3U CN203379813U (en) | 2013-04-17 | 2013-04-17 | Vacuum membrane distillation experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203379813U true CN203379813U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320192897.3U Expired - Fee Related CN203379813U (en) | 2013-04-17 | 2013-04-17 | Vacuum membrane distillation experimental device |
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| CN (1) | CN203379813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104804875A (en) * | 2015-04-27 | 2015-07-29 | 湖北中烟工业有限责任公司 | Tobacco flavor extract membrane separation device capable of precisely controlling temperature and time |
-
2013
- 2013-04-17 CN CN201320192897.3U patent/CN203379813U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104804875A (en) * | 2015-04-27 | 2015-07-29 | 湖北中烟工业有限责任公司 | Tobacco flavor extract membrane separation device capable of precisely controlling temperature and time |
| CN104804875B (en) * | 2015-04-27 | 2018-08-31 | 湖北中烟工业有限责任公司 | A kind of tobacco aromaticss extract membrane separation device when can be with accurate temperature controlling control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20150417 |
|
| EXPY | Termination of patent right or utility model |