CN202638284U - Tubular membrane distillator capable of enabling liquid not to contact with membrane - Google Patents
Tubular membrane distillator capable of enabling liquid not to contact with membrane Download PDFInfo
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- CN202638284U CN202638284U CN 201220214256 CN201220214256U CN202638284U CN 202638284 U CN202638284 U CN 202638284U CN 201220214256 CN201220214256 CN 201220214256 CN 201220214256 U CN201220214256 U CN 201220214256U CN 202638284 U CN202638284 U CN 202638284U
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- 239000007788 liquid Substances 0.000 title claims abstract description 63
- 239000012528 membrane Substances 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004744 fabric Substances 0.000 claims description 30
- 239000012530 fluid Substances 0.000 claims description 29
- 239000007789 gas Substances 0.000 claims description 18
- 230000002209 hydrophobic effect Effects 0.000 claims description 17
- 238000009833 condensation Methods 0.000 claims description 16
- 230000005494 condensation Effects 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 15
- 238000005276 aerator Methods 0.000 claims description 10
- 239000002912 waste gas Substances 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 7
- 239000012153 distilled water Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 238000004821 distillation Methods 0.000 abstract description 23
- 238000012546 transfer Methods 0.000 abstract description 12
- 238000005273 aeration Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000012982 microporous membrane Substances 0.000 abstract description 2
- 239000013535 sea water Substances 0.000 abstract description 2
- 238000010408 sweeping Methods 0.000 abstract description 2
- 239000008399 tap water Substances 0.000 abstract 1
- 235000020679 tap water Nutrition 0.000 abstract 1
- 238000000034 method Methods 0.000 description 20
- 230000008569 process Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 238000004140 cleaning Methods 0.000 description 1
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- 239000000567 combustion gas Substances 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
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- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 231100000719 pollutant Toxicity 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a tubular membrane distillator capable of enabling liquid not to contact with a membrane. The tubular membrane distillator comprises a water gas generating system, a gas generating system, a condensing liquid collecting system and a membrane tube, wherein the membrane tube comprises a liquid distribution aeration chamber and a permeable membrane gas collecting chamber, the permeable membrane gas collecting chamber is arranged above the liquid distribution aeration chamber, and an inner-contact membrane is arranged inside the permeable membrane gas collecting chamber. The vapor partial pressure difference is no longer used in the mass transfer mechanism of the tubular membrane distillator, but the gas pressure difference mass transfer is directly used, so that mass transfer efficiency is high. Compared with gas-sweeping type membrane distillation, compressed air is filtered through a dewatering microporous membrane, and water quality is clean and good, and accordingly the air is completely wet, and gas consumption is less. Compared with directly contacting membrane distillation, the energy consumption of an air compressed machine is lower than that of a vacuum pump, and the utilization efficiency of electric energy is high. The requirement for equipment is simple, liquid to be processed can be tap water, sea water, and hot water discharged by cooling system or chemical product solution.
Description
Technical field
The utility model relates to water treatment facilities, particularly a kind of liquid and not touch of film cylindrical film distiller.
Background technology
The film distillation is a kind of employing dewatering microporous film, take the poor film separation process as the mass transfer driving force of film both sides steam pressure.Under the driving of the steam pressure difference of microporous hydrophobic membrane both sides, water vapour is condensed into liquid separation process again after heated former water one side is passed hydrophobic membrane.Because the hydrophobicity of film, only have water vapour can see through fenestra, former water and the Nonvolatile solute that is dissolved in wherein can't pass fenestra, so the film still-process in theory can removing ion, large molecule, colloid, cell and other non-volatile matter realization 100%.Microporous hydrophobic membrane plays the support shielding action between the two-phase in the film still-process.In the process of film distillation, two kinds of processes of heat and mass transfer occur simultaneously, temperature difference polarization also can produce simultaneously with temperature difference polarization phenomena, thereby the process of film distillation is produced adverse influence.The operating temperature of film still-process is lower than traditional still-process, and operating pressure is lower than traditional film separation process; Mechanical performance to film requires lower; Compare with traditional still-process, the vapor space significantly reduces.The assembly of film distillation can be designed to the recovery of latent heat form, and has the flexibility that consists of the large-scale production system with efficient small-sized membrane module.This process can the high fortified aqueous of concentration for the treatment of, if solute is the material of easy crystallization, can be concentrated to hypersaturated state to solution and realize film distillation crystallization, it is the present unique membrane process that can from solution, directly isolate crystallized product, and as long as the suitable temperature difference is kept in the film both sides, this process just can be carried out, and can utilize solar energy, underground heat, hot spring, waste heat of plant and the warm cheap energy such as industrial wastewater.It is low that film distillation technology has an operating pressure, and the salt rejection rate that can obtain 99. 99 % and the water flux that is higher than counter-infiltration under the excellent operation condition are arranged, and shown that it substitutes (extensive pure water preparation) or additional technology as reverse osmosis technology.
On a large amount of film distillation researchs and experiment basis, developed four kinds of different film distillation procedure modes at present for many years, comprised direct contact membrane distillation, gap membrane distillation, the distillation of gas flow purging formula film and the distillation of vacuum type film.Wherein contact method is that the steam that will see through perforated membrane directly enter pure water at cold side and carry out condensation, so condensation process is integrated in the membrane module, operate relatively simply, therefore is that studied maximum a kind of film distills mode.Yet compare with other mode of operation, directly the contact membranes distillation can cause more thermal loss and comparatively serious temperature difference polarization, vacuum type film distillation rule is to apply a negative pressure through side, will be retracted to through the water vapour of perforated membrane in the membrane module condenser in addition and carry out condensation liquefaction.The advantage of this process is that thermal loss is all less than other three kinds of film distillation procedure methods, and distillating ventilating amount is higher, can cause the fenestra humidifying but the negative pressure that applies is lower than the pressure that liquid enters fenestra, and etc. shortcoming, heat and mass transfer mechanism also needs further to inquire into.At present existing above four kinds of films distillation mode all exists solution necessarily to have a side directly to contact porous hydrophobic membrane, easily produces hydrophobic membrane hydrophiling leakage problems, the blocking microporous film of solute substance fouling, some problems such as energy consumption is high simultaneously, efficient is low, reliability is low.Therefore, study new film distillation technology, reduce investment and operating cost, reduce the concentrated water discharge aspect, be expected to obtain significant economic benefit and social benefit.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of liquid and not touch of film cylindrical film distiller, it has comprised aqueous vapor generation systems, gas generating system, condensation liquor collecting system and film cylinder, wherein, described film cylinder has comprised cloth liquid solarization air cell, permeable membrane collection chamber, permeable membrane collection chamber are arranged on cloth liquid solarization air cell top, are provided with interior contact film at the permeable membrane collection chamber.
Preferably, described aqueous vapor generation systems has comprised fluid reservoir, woven hose and liquid back pipe, and woven hose is connected respectively fluid reservoir and cloth liquid solarization air cell with liquid back pipe.Preferably, the hydrothermal solution that provides of described aqueous vapor generation systems is not less than 70 degree.
Preferably, be provided with the hydrothermal solution import below cloth liquid solarization air cell, woven hose connects this hydrothermal solution import, and the hot water in the fluid reservoir flows into cloth liquid solarization air cell via this hydrothermal solution import; Be provided with the hydrothermal solution outlet above cloth liquid solarization air cell, liquid back pipe connects this hydrothermal solution outlet, and the hot water of cloth liquid solarization air cell flows back to fluid reservoir via described hydrothermal solution outlet;
Preferably, described gas generating system has comprised gas generator and appendix, and appendix connects gas generator and cloth liquid solarization air cell.
Preferably, be provided with the microporous hydrophobic menbrane aerator in described cloth liquid solarization air cell, described appendix connects described microporous hydrophobic menbrane aerator.Preferred, described microporous hydrophobic menbrane aerator comprises the filter core that the folding microporous barrier of hydrophobicity PTFE is made.
Preferably, described condensation liquor collecting system: comprise aqueous vapor import, condenser, waste gas outlet, coolant outlet, described permeable membrane collection chamber aqueous vapor out, enter condenser by the aqueous vapor import, distilled water through condensation flows out from coolant outlet, and produced simultaneously waste gas is discharged from waste gas outlet.
Preferably, described condensation liquor collecting system also comprises the aqueous vapor refluxing opening, and the aqueous vapor that is not condensed is back to fluid reservoir.
Preferably, be provided with the fluid reservoir leakage fluid dram in described fluid reservoir bottom, be provided with solarization air cell's leakage fluid dram in described cloth liquid solarization air cell lower end.
Preferably, described interior contact film is micropore PTFE film silk.
Liquid of the present utility model and not touch of film cylindrical film distiller: its mechanism of mass transfer no longer is to utilize steam partial pressure poor, but direct gas differential pressure mass transfer, so mass-transfer efficiency is high, sweeping the distillation of formula film with gas compares, compressed air process hydrophobic microporous membrane filtration, cleaning, product water water quality is good; Air is wetting fully, and air consumption is few.Compare with direct contact membrane distillation, cold fluid and hot fluid is directly cold undoubtful in the film contact both sides, can significantly reduce energy consumption.Compare with vacuum membrane distillation, the air compressor energy consumption is lower than vavuum pump, and efficiency is high; Equipment requirement is simple, and pending liquid can be hot water or the chemical products solution of running water, seawater, cooling system discharge.
Description of drawings
Figure 1 shows that the structural representation of not touch of the utility model film cylindrical film distiller;
Figure 2 shows that the structural representation of the utility model film cylinder.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail, it will be more clear making above-mentioned and other purpose of the present utility model, Characteristics and advantages.Reference numeral identical in whole accompanying drawings is indicated identical part.Deliberately do not draw in proportion accompanying drawing, focus on illustrating purport of the present utility model.
Be illustrated in figure 1 as liquid of the present utility model and not touch of film cylindrical film distiller structural representation, as shown in the figure, it has comprised aqueous vapor generation systems, gas generating system, condensation liquor collecting system and film cylinder, wherein, described film cylinder has comprised cloth liquid solarization air cell 4, permeable membrane collection chamber 8, permeable membrane collection chamber 8 are arranged on cloth liquid solarization air cell 4 tops, are provided with interior contact film at permeable membrane collection chamber 8.
The aqueous vapor generation systems has comprised fluid reservoir 11, woven hose 12 and liquid back pipe 13, and woven hose 12 is connected respectively fluid reservoir 11 and cloth liquid solarization air cell 4 with liquid back pipe 13.
Be provided with hydrothermal solution import 2 below cloth liquid solarization air cell 4, woven hose 12 connects this hydrothermal solution import 2, and 11 hot water flows into cloth liquid solarization air cell 4 via this hydrothermal solution import 2 in the fluid reservoir; Be provided with hydrothermal solution outlet 6 above cloth liquid solarization air cell, liquid back pipe 13 connects this hydrothermal solution outlet 6, and the hot water of cloth liquid solarization air cell flows back to fluid reservoir 11 via hydrothermal solution outlet 6; The hydrothermal solution that aqueous vapor provides is not less than 70 degree, by circulating-heating, guarantees that hot solution is not less than 70 degree.
The condensation liquor collecting system has comprised aqueous vapor import 14, condenser 15, waste gas outlet 16, coolant outlet 17.Permeable membrane collection chamber 8 aqueous vapor out enters condenser 15 by aqueous vapor import 14, and the distilled water of process condensation flows out from coolant outlet 17, and produced simultaneously waste gas is discharged from waste gas outlet 16.
The condensation liquor collecting system also comprises aqueous vapor refluxing opening 18, and the aqueous vapor that is not condensed is back to fluid reservoir.
Gas generating system has comprised gas generator 7 and appendix 9, and appendix 9 connects gas generator 7 and cloth liquid solarization air cell 4.Be provided with microporous hydrophobic menbrane aerator 3 in cloth liquid solarization air cell 4, appendix 9 connects microporous hydrophobic menbrane aerator 3.The microporous hydrophobic menbrane aerator comprises the filter core that the folding microporous barrier of hydrophobicity PTFE is made, and for external touch, without shell, directly is immersed in the former water, and compressed air is entered in the former water in the micro-pore aeration mode by the inner film that sees through of hydrophobicity PTFE folded membrane filter core.Mainly be the density that improves aeration, filter the airborne pollutant of compression, hydrophobicity PTFE folded membrane aeration filter core is corrosion-resistant, acid and alkali-resistance, strong anti-oxidation.
Preferably, in the utility model, be provided with fluid reservoir leakage fluid dram 1 in fluid reservoir 11 bottoms, be used for periodic replacement hydrothermal solution usefulness, same, be provided with solarization air cell's leakage fluid dram 19 in cloth liquid solarization air cell lower end.
Preferably, contact film is micropore PTFE film silk in this.
In the utility model, gas generating system with compressed air from gas generator 7 through microporous hydrophobic menbrane aerator 3, bring the steam that the aqueous vapor generation systems produces into permeable membrane collection chamber 8, see through the interior contact film (can be consisted of by the parallel connection of branched film silk assembly) that is fixed on the membrane module top, after the compressed air that former water is fully wetting sees through the micropore PTFE film silk internal membrane filtration of upper end, from the permeable membrane collection chamber damp-heat air is incorporated into the condensation liquor collecting system, the distilled water (product water) of this condenser system cooling is discharged through coolant outlet 17, and waste gas outlet 12 is used for combustion gas.
Because hot solution does not contact face, can not produce hydrophobic membrane hydrophiling seepage, solute substance fouling blockage problem, mechanism of mass transfer no longer is to utilize steam partial pressure poor, but direct gas differential pressure mass transfer, therefore mass-transfer efficiency is high, and energy consumption is low simultaneously, efficient is high, reliability is strong.Can utilize solar energy, underground heat, hot spring, waste heat of plant and the warm cheap energy such as industrial wastewater, realize that the film distillation of energy-conserving and environment-protective is used.
In above description, a lot of details have been set forth so that fully understand the utility model.But above description only is preferred embodiment of the present utility model, and the utility model can be implemented much to be different from alternate manner described here, so the utility model is not subjected to the restriction of top disclosed implementation.Any skilled personnel are not breaking away from the technical solutions of the utility model scope situation simultaneously, all can utilize method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Every content that does not break away from technical solutions of the utility model, any simple modification, equivalent variations and modification according to technical spirit of the present utility model is done above embodiment all still belong to the utility model technology.
Claims (10)
1. a liquid and not touch of film cylindrical film distiller, it has comprised aqueous vapor generation systems, gas generating system, condensation liquor collecting system and film cylinder, it is characterized in that, described film cylinder has comprised cloth liquid solarization air cell, the permeable membrane collection chamber, the permeable membrane collection chamber is arranged on cloth liquid solarization air cell top, is provided with interior contact film at the permeable membrane collection chamber.
2. liquid as claimed in claim 1 and not touch of film cylindrical film distiller, it is characterized in that, described aqueous vapor generation systems has comprised fluid reservoir, woven hose and liquid back pipe, woven hose is connected respectively fluid reservoir and cloth liquid solarization air cell with liquid back pipe, and the hydrothermal solution that described aqueous vapor generation systems provides is not less than 70 degree.
3. liquid as claimed in claim 2 and not touch of film cylindrical film distiller is characterized in that, be provided with the hydrothermal solution import below cloth liquid solarization air cell, woven hose connects this hydrothermal solution import, and the hot water in the fluid reservoir flows into cloth liquid solarization air cell via this hydrothermal solution import; Be provided with the hydrothermal solution outlet above cloth liquid solarization air cell, liquid back pipe connects this hydrothermal solution outlet, and the hot water of cloth liquid solarization air cell flows back to fluid reservoir via described hydrothermal solution outlet.
4. liquid as claimed in claim 1 and not touch of film cylindrical film distiller is characterized in that, described gas generating system has comprised gas generator and appendix, and appendix connects gas generator and cloth liquid solarization air cell.
5. liquid as claimed in claim 4 and not touch of film cylindrical film distiller is characterized in that, are provided with the microporous hydrophobic menbrane aerator in described cloth liquid solarization air cell, and described appendix connects described microporous hydrophobic menbrane aerator.
6. liquid as claimed in claim 5 and not touch of film cylindrical film distiller is characterized in that, described microporous hydrophobic menbrane aerator comprises the filter core that the folding microporous barrier of hydrophobicity PTFE is made.
7. liquid as claimed in claim 1 and not touch of film cylindrical film distiller, it is characterized in that, described condensation liquor collecting system: comprise aqueous vapor import, condenser, waste gas outlet, coolant outlet, described permeable membrane collection chamber aqueous vapor out, enter condenser by the aqueous vapor import, distilled water through condensation flows out from coolant outlet, and produced simultaneously waste gas is discharged from waste gas outlet.
8. liquid as claimed in claim 7 and not touch of film cylindrical film distiller is characterized in that, described condensation liquor collecting system also comprises the aqueous vapor refluxing opening, and the aqueous vapor that is not condensed is back to fluid reservoir.
9. liquid as claimed in claim 7 and not touch of film cylindrical film distiller is characterized in that, are provided with the fluid reservoir leakage fluid dram in described fluid reservoir bottom, are provided with solarization air cell's leakage fluid dram in described cloth liquid solarization air cell lower end.
10. liquid as claimed in claim 1 and not touch of film cylindrical film distiller is characterized in that, described interior contact film is micropore PTFE film silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220214256 CN202638284U (en) | 2012-05-14 | 2012-05-14 | Tubular membrane distillator capable of enabling liquid not to contact with membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220214256 CN202638284U (en) | 2012-05-14 | 2012-05-14 | Tubular membrane distillator capable of enabling liquid not to contact with membrane |
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| Publication Number | Publication Date |
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| CN202638284U true CN202638284U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220214256 Expired - Fee Related CN202638284U (en) | 2012-05-14 | 2012-05-14 | Tubular membrane distillator capable of enabling liquid not to contact with membrane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658030A (en) * | 2012-05-14 | 2012-09-12 | 刘宁生 | Liquid and membrane non-contact barrel-shaped membrane distiller |
| CN107810044A (en) * | 2015-07-01 | 2018-03-16 | 科思创德国股份有限公司 | For concentrating the osmotic distillation method of the liquid containing sodium chloride |
| CN108993150A (en) * | 2018-07-20 | 2018-12-14 | 天津工业大学 | A kind of membrane distillation feed liquid preprocess method and device |
-
2012
- 2012-05-14 CN CN 201220214256 patent/CN202638284U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658030A (en) * | 2012-05-14 | 2012-09-12 | 刘宁生 | Liquid and membrane non-contact barrel-shaped membrane distiller |
| CN107810044A (en) * | 2015-07-01 | 2018-03-16 | 科思创德国股份有限公司 | For concentrating the osmotic distillation method of the liquid containing sodium chloride |
| CN108993150A (en) * | 2018-07-20 | 2018-12-14 | 天津工业大学 | A kind of membrane distillation feed liquid preprocess method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI FENGDU WATER PURIFICATION ENGINEERING CO. Free format text: FORMER OWNER: LIU NINGSHENG Effective date: 20121219 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210000 NANJING, JIANGSU PROVINCE TO: 200000 BAOSHAN, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121219 Address after: 200000 Shanghai City, Baoshan District Chemical Road No. 251 building 2001-2018 room two Patentee after: Shanghai Fengdu Water Purification Engineering Co., Ltd. Address before: Cang Xiang, Baixia District Nanjing 210000 Jiangsu province No. 9 Patentee before: Liu Ningsheng |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20180514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |