CN102716669A - Suspending-membrane aeration type same-chamber membrane distillation device capable of increasing water yield - Google Patents
Suspending-membrane aeration type same-chamber membrane distillation device capable of increasing water yield Download PDFInfo
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- CN102716669A CN102716669A CN2012102495353A CN201210249535A CN102716669A CN 102716669 A CN102716669 A CN 102716669A CN 2012102495353 A CN2012102495353 A CN 2012102495353A CN 201210249535 A CN201210249535 A CN 201210249535A CN 102716669 A CN102716669 A CN 102716669A
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Abstract
The invention provides a suspending-membrane aeration type same-chamber membrane distillation device capable of increasing water yield. The suspending-membrane aeration type same-chamber membrane distillation device comprises a high-molecular insulating material layer, a box body, a steam collecting pipe, wire-type membranes (or plate-type membranes or drum-type membranes), flanges, loose joints, releasers, an air distributing water pipe, a concentrated water outlet pipe, water steam outlet pipes and a hot water inlet pipe, wherein the hydrophobic membranes (which can be the wire-type membranes, the plate-type membranes or the drum-type membranes) are connected with the steam collecting pipe made from high-molecular materials and are communicated with peripheral steam pipes by the loose joints and the flanges. The suspending-membrane aeration type same-chamber membrane distillation device provided by the invention can be used in a suspending-membrane aeration type same-chamber membrane distillation system; in a whole membrane distillation process, the evaporation capacity is increased by taking measures of enlarging contact surface area, increasing air flow speed, reducing pressure and the like, and thus the water yield is increased; and concentrated water is discharged or flows back to a hot water tank from the concentrated water outlet pipe of the suspending-membrane aeration type same-chamber membrane distillation device, so that concentrated liquid is not contacted with a distillation membrane, therefore, no membrane pollution is caused, and further, the phenomenon that precipitated crystals scratche the distillation membrane can be avoided.
Description
Technical field
The present invention relates to a kind of outstanding film gas that can improve aquifer yield and expose to the sun type with the chamber distillation device.
Background technology
Film distillation (MD) is the film separation process that membrane technology combines with still-process; It is medium with the dewatering microporous film; Under the effect of film both sides vapour pressure deficit; Volatile component sees through fenestra (as be applied in the purification of waste water, water sees through fenestra with the steam form) with the steam form in the feed liquid, thereby realizes the purpose of separating.Compare with other separation processes commonly used, film distillation have separative efficiency height, operating condition gentle, less demanding to the mechanical performance of film and material liquid interphase interaction and film, can handle the advantages such as high-concentration waste water that counter-infiltration etc. can not be handled.
At present, the distillation of the film of any kind (comprises; The distillation of direct contact type film, the distillation of GAP TYPE film, the distillation of scavenging type film, pressure reducing film distillation or the like) all there is a common ground, promptly film directly contacts with hot water side hot water, inevitably has following shortcoming:
1) though the film distiller adopts is hydrophobic film, long-play exists film to pollute maybe;
2) hot water side solution can not be near the saturation solubility of solute, otherwise nearly film side solute easy and crystalline separates out, and scratches hydrophobic membrane, has limited further to concentrate and cause system to quit work.
3) (temperature, pressure etc.) under the identical conditions, because solution evaporation capacity and the restriction of distillation film, unit distillation film aquifer yield can't further promote.
Along with the enterprise water use amount is increasing, the raising of water quality requirement, the standard increasingly stringent is handled in draining, but under enterprise's place condition of limited, a kind of distillation device that can improve aquifer yield need be provided.
Summary of the invention
The object of the present invention is to provide a kind of outstanding film gas that can improve aquifer yield to expose to the sun type with the chamber distillation device.
A kind of outstanding film gas that can improve aquifer yield that the present invention proposes exposes to the sun type with the chamber distillation device, is in same distillation device, and evaporation is relatively independent unit with membrane filtration.
A kind of outstanding film gas that can improve aquifer yield that the present invention proposes exposes to the sun type with the chamber distillation device, is made up of macromolecule adiabator layer 1, casing 2, vapor collection pipe 3, hydrophobic membrane, flange 7, loose joint 8, release 9, gas distribution water pipe 10, dense water outlet pipe 11, steam escape pipe 12 and hot water inlet pipe 13; Wherein, casing 2 tops are provided with macromolecule adiabator layer 1 around reaching, and are divided into evaporating area and membrane filtration district in the casing 2 from bottom to top; Both sides, casing 2 top are provided with steam escape pipe 12; Hydrophobic membrane is positioned at casing 2 internal upper parts, and its two ends connect macromolecular material vapor collection pipe 3 respectively, and macromolecular material vapor collection pipe 3 is connected with flange 7 through loose joint 8; Flange 7 is fixed in steam escape pipe 12 1 ends, realizes and peripheral steam pipe UNICOM; Casing 2 bottoms one side is provided with hot water inlet pipe 13; Opposite side is provided with dense water outlet pipe 11, and hot water inlet pipe's 13 1 ends connect gas distribution water pipe 10, and gas distribution water pipe 10 is positioned at casing 2 bottoms; Gas distribution water pipe 10 is provided with release 9; Through release 9, form microbubble, increased between liquid and gas and contacted area; The trend of microbubble is for from bottom to top.
Among the present invention, said hydrophobic membrane adopts in a silk formula film 4, board-like film 5 or the cartridge type film 6 any, and said silk formula film 4, board-like film 5 and cartridge type film 6 all adopt high density composite crack film film spare.The quantity of said formula film 4, board-like film 5 or cartridge type film 6 is determined on a case-by-case basis.
Among the present invention, silk formula film 4 or board-like film 5 can adopt vertical installation, and silk formula film 4 or board-like film 5 are between two macromolecular material vapor collection pipes 3, and the adjacent silk formula film 4 or the spacing of board-like film 5 are determined on a case-by-case basis.
Among the present invention; Silk formula film 4 or board-like film 5 can adopt horizontal installation; Silk formula film 4 or board-like film 5 arrange that from top to bottom every rhizoid formula film 4 or board-like film 5 are between two macromolecular material vapor collection pipes 3, and the adjacent silk formula film 4 or the spacing of board-like film 5 are determined on a case-by-case basis.
Among the present invention, when adopting cartridge type film 6, every cartridge type film 6 is between two macromolecular material vapor collection pipes 3, and the spacing of adjacent cartridge type film 6 is determined on a case-by-case basis.
Among the present invention, outside steam outlet pipe 12, increase negative pressure, improved the steam evaporation capacity.
Among the present invention, the said outstanding film gas type that exposes to the sun exposes to the sun type with the application in the silk formula film Distallation systm of chamber with chamber silk formula distillation device at outstanding film gas.Said system is made up of with chamber distillation device 21, vavuum pump 22 and condenser 23 boiler 14, heat-exchanger pump 15, hot-air pump 16, valve 17, flowmeter 18, valuator 19, gas-water mixer 20, the outstanding film gas type that exposes to the sun; Boiler 14 bottoms one side outlet is connected the outstanding film gas hot water inlet pipe 13 of type with chamber distillation device 21 of exposing to the sun through heat-exchanger pump 15, gas-water mixer 20 water inlets with pipeline; The outstanding film gas type that exposes to the sun connects boiler 14 tops, one side-entrance with the dense water outlet pipe 11 of chamber distillation device 21 through pipeline or directly effluxes; Hot-air pump 16 connects the air inlet of gas-water mixer 20 successively through valve 17, flowmeter 18, valuator 19; The outstanding film gas type that exposes to the sun is connected condenser 23 through pipeline with vavuum pump 22 with the steam escape pipe 12 of chamber distillation device 21 both sides; Steam forms condensed water in condenser 23, the final discharge.
Among the present invention, said dense water outlet pipe 11 can directly be discharged.
Among the present invention, said evaporating area and membrane filtration district with the chamber distillation device is relatively independent.
Among the present invention, waste water evaporation and membrane filtration are relatively independent, have solved the problem that film pollutes and film is distilled in the precipitate scuffing.
Among the present invention,, form microbubble, increased between liquid and gas and contact area, improved the steam evaporation capacity through release 9.
Among the present invention, microbubble has increased the flowing velocity between gas and liquid in uphill process, improved the steam evaporation capacity.
Among the present invention, silk formula film 4, board-like film 5 and cartridge type film 6 adopt high density composite crack film film spare.
As everyone knows, improve the main following several ways of evaporation capacity:
1) improves fluid temperature;
2) increase the surface area that contacts between liquid-to-air;
3) speed of gas flow on the increase liquid;
4) reduce pressure etc.
The present invention proposes a kind of outstanding film gas and exposes to the sun type with the chamber distillation device; Be exactly under the certain situation of fluid temperature; Amass, increase measures such as gas flow rate and reduction pressure through increasing contact surface, improve evaporation capacity, thereby improve aquifer yield; Solved present film distiller simultaneously and existed film to pollute, because of the concentrated difficult problem of crystallization restriction.
This invention is through increasing measures such as the surface area that contacts between liquid-to-air, the speed that increases gas flow on the liquid, reduction pressure, the film that further improves distillation aquifer yield.
Description of drawings
Fig. 1 adopts the structural diagrams of silk formula film 4 (vertical installations) for the outstanding film gas of the present invention type that exposes to the sun with chamber silk formula distillation device.
Fig. 2 adopts the structural diagrams of silk formula film 4 (horizontal installations) for the outstanding film gas of the present invention type that exposes to the sun with chamber silk formula distillation device.
Fig. 3 adopts the structural diagrams of board-like film 5 (vertical installation) for the outstanding film gas of the present invention type that exposes to the sun with the board-like distillation device in chamber.
Fig. 4 adopts the structural diagrams of board-like film 5 (horizontal installation) for the outstanding film gas of the present invention type that exposes to the sun with the board-like distillation device in chamber.
Fig. 5 adopts the structural diagrams of cartridge type film 6 for the outstanding film gas of the present invention type that exposes to the sun with the board-like distillation device in chamber.
Fig. 6 is used for the outstanding film gas operation principle diagram of type with chamber film Distallation systm of exposing to the sun for the present invention.
Fig. 7 is used for the outstanding film gas of the secondary operation principle diagram of type with chamber film Distallation systm of exposing to the sun for the present invention.
Label among the figure: 1 macromolecule adiabator layer, 2 casings, 3 vapor collection pipes, 4 formula films, 5 board-like films, 6 cartridge type films, 7 flanges, 8 loose joints, 9 releases, 10 gas distribution water pipes, 11 dense water outlet pipes, 12 steam escape pipes, 13 hot water inlet pipes, 14 boilers, 15 heat-exchanger pumps, 16 hot-air pumps, 17 valves, 18 flowmeters, 19 valuators, 20 gas-water mixers, 21 outstanding film gas expose to the sun type with chamber distillation device, 22 vavuum pumps, 23 condensers.
The specific embodiment
Combine accompanying drawing to further specify the present invention through embodiment below
.
Embodiment 1:
Like Fig. 1-shown in Figure 5; A kind of outstanding film gas that can improve aquifer yield that the present invention proposes exposes to the sun type with the chamber distillation device, is made up of macromolecule adiabator layer 1, casing 2, vapor collection pipe 3, silk formula film 4 (or board-like film 5 or cartridge type films 6), flange 7, loose joint 8, release 9, gas distribution water pipe 10, dense water outlet pipe 11, steam escape pipe 12 and hot water inlet pipe 13.Wherein, hydrophobic membrane (silk formula film 4, board-like film 5 or cartridge type film 6) is connected with macromolecular material vapor collection pipe 3, through loose joint 8 with flange 7, realization and peripheral steam pipe UNICOM.Around reaching, casing 2 tops are provided with macromolecule adiabator layer 1; Be divided into evaporating area and membrane filtration district in the casing 2 from bottom to top; Both sides, casing 2 top are provided with steam escape pipe 12; Hydrophobic membrane is positioned at casing 2 internal upper parts, and its two ends connect macromolecular material vapor collection pipe 3 respectively, realizes and peripheral steam pipe UNICOM; Casing 2 bottoms one side is provided with hot water inlet pipe 13, and opposite side is provided with dense water outlet pipe 11, and hot water inlet pipe's 13 1 ends connect gas distribution water pipe 10, and gas distribution water pipe 10 is positioned at casing 2 bottoms, and gas distribution water pipe 10 is provided with release 9.
As shown in Figure 6, will hang the film gas type that exposes to the sun and be used for outstanding film gas with the chamber distillation device and expose to the sun type with chamber film Distallation systm, its course of work is following; Be positioned at boiler 14 waste water to be clean, through heat-exchanger pump 15, in gas-water mixer 20 and from hot-air pump 16; After the hot-air of valve 17, flowmeter 18, valuator 19 mixes, be delivered to outstanding film gas and expose to the sun type, under release 9 effects with chamber distillation device 21; Discharge microbubble, increase the gas-liquid contact area, uphill process simultaneously; Increase the liquid surface flow velocity, under vavuum pump 22 effects, vapour transmission silk formula film 4 (or board-like film 5 or cartridge type film 6); Get into condenser 23 along pipeline, steam forms condensed water in condenser 23, and final water purification is discharged.Whole film still-process amasss, increases measures such as gas flow rate and reduction pressure through increasing contact surface, improves evaporation capacity, thereby improves aquifer yield.
Dense water is discharged with the dense water outlet pipe 11 of chamber distillation device 21 from the outstanding film gas type that exposes to the sun, or is back to boiler 14, and whole film still-process, dope contacts with the distillation film, therefore do not exist film to pollute, and more do not exist the crystal of separating out to scratch the phenomenon of distilling film.
As shown in Figure 7, will hang the film gas type that exposes to the sun and be used for the outstanding film gas of secondary with the chamber distillation device and expose to the sun type with chamber film Distallation systm, its course of work is following; One-level film Distallation systm output steam as shown in Figure 6 under the effect of vavuum pump 22, gets into the outstanding film gas of secondary and exposes to the sun type with the chamber distillation device; Vapour transmission silk formula film 4 (or board-like film 5 or cartridge type film 6); Get into condenser 23 along pipeline, steam forms condensed water in condenser 23, and final water purification is discharged.The outstanding film gas of the secondary type that exposes to the sun is got back to boiler 14 with the condensed water in the distillation device of chamber through dense water outlet pipe 11.
Be applied to the above-mentioned outstanding film gas type that exposes to the sun in certain factory's water-purifying process equipment with the chamber distillation device in January, 2012; Move half a year continuously at present; Do not carry out any cleaning operation during this time; Under same operational factor situation, aquifer yield remains unchanged (being that film unit are flux remains unchanged), and the actual measurement membrane flux is at 25L/m
2.h, the routine that surpasses far away is distilled membrane flux, and system produces water quality stabilizing, sampling Detection significant data such as following table:
It is pointed out that top said principles more of the present invention that just illustrate, because the those of ordinary skill in the constructed field is easy to technically carry out some modifications and change at this.Therefore, this specification be not be to the present invention be confined to shown in described concrete structure and the scope of application in, so every the modify and equivalent that might be utilized all belongs to the claim of application of the present invention.
Claims (8)
1. the outstanding film gas that can improve aquifer yield exposes to the sun type with the chamber distillation device, is made up of macromolecule adiabator layer (1), casing (2), vapor collection pipe (3), hydrophobic membrane, flange (7), loose joint (8), release (9), gas distribution water pipe (10), dense water outlet pipe (11), steam escape pipe (12) and hot water inlet pipe (13); It is characterized in that casing (2) top is provided with macromolecule adiabator layer (1), is divided into evaporating area and membrane filtration district in the casing (2) from bottom to top; Casing (2) both sides, top are provided with steam escape pipe (12); Hydrophobic membrane is positioned at casing (2) internal upper part, and its two ends connect macromolecular material vapor collection pipe (3) respectively, and macromolecular material vapor collection pipe (3) is connected with flange (7) through loose joint (8); Flange (7) is fixed in steam escape pipe (12) one ends, realizes and peripheral steam pipe UNICOM; Casing (2) bottom one side is provided with hot water inlet pipe (13); Opposite side is provided with dense water outlet pipe (11), and hot water inlet pipe's (13) one ends connect gas distribution water pipe (10), and gas distribution water pipe (10) is positioned at casing (2) bottom; Gas distribution water pipe (10) is provided with release (9); Through release (9), form microbubble, increase between liquid and gas and contact area; The trend of microbubble is for from bottom to top.
2. the outstanding film gas that can improve aquifer yield according to claim 1 exposes to the sun type with the chamber distillation device; It is characterized in that said hydrophobic membrane adopts in a silk formula film (4), board-like film (5) or the cartridge type film (6) any, said silk formula film (4), board-like film (5) and cartridge type film (6) all adopt high density composite crack film film spare.
3. the outstanding film gas that can improve aquifer yield according to claim 2 exposes to the sun type with the chamber distillation device; It is characterized in that a formula film (4) or board-like film (5) adopt vertical installation, silk formula film (4) or board-like film (5) are positioned between two macromolecular material vapor collection pipes (3).
4. the outstanding film gas that can improve aquifer yield according to claim 2 exposes to the sun type with the chamber distillation device; It is characterized in that a formula film (4) or board-like film (5) adopt horizontal installation; Silk formula film (4) or board-like film (5) arrange that from top to bottom every rhizoid formula film (4) or board-like film (5) are positioned between two macromolecular material vapor collection pipes (3).
5. the outstanding film gas that can improve aquifer yield according to claim 2 exposes to the sun type with the chamber distillation device, it is characterized in that cartridge type film (6) is positioned between two macromolecular material vapor collection pipes (3) when adopting cartridge type film (6).
6. the outstanding film gas that can improve aquifer yield according to claim 1 exposes to the sun type with the chamber distillation device, it is characterized in that outside steam outlet pipe (12), increasing negative pressure.
7. an outstanding film gas as claimed in claim 1 type that exposes to the sun exposes to the sun type with the application in the silk formula film Distallation systm of chamber with chamber silk formula distillation device at outstanding film gas; It is characterized in that said system is made up of with chamber distillation device (21), vavuum pump (22) and condenser (23) boiler (14), heat-exchanger pump (15), hot-air pump (16), valve (17), flowmeter (18), valuator (19), gas-water mixer (20), the outstanding film gas type that exposes to the sun; Boiler (14) bottom one side outlet is connected with pipeline through heat-exchanger pump (15), gas-water mixer (20) water inlet and hangs the film gas hot water inlet pipe (13) of type with chamber distillation device (21) of exposing to the sun; Outstanding film gas expose to the sun type with the dense water outlet pipe (11) of chamber distillation device (21) through pipeline connection boiler (14) top one side-entrance or directly efflux; Hot-air pump (16) connects the air inlet of gas-water mixer (20) successively through valve (17), flowmeter (18), valuator (19); The outstanding film gas type that exposes to the sun is connected condenser (23) through pipeline with vavuum pump (22) with the steam escape pipe (12) of chamber distillation device (21) both sides; Steam forms condensed water in condenser (23), the final discharge.
8. application as claimed in claim 7 is characterized in that directly discharge of said dense water outlet pipe (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102495353A CN102716669A (en) | 2012-07-19 | 2012-07-19 | Suspending-membrane aeration type same-chamber membrane distillation device capable of increasing water yield |
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| CN2012102495353A CN102716669A (en) | 2012-07-19 | 2012-07-19 | Suspending-membrane aeration type same-chamber membrane distillation device capable of increasing water yield |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496538A (en) * | 2019-09-12 | 2019-11-26 | 兰州理工大学 | A kind of efficient membrane component for desulfurization wastewater processing |
| US11499132B1 (en) | 2022-02-18 | 2022-11-15 | United Arab Emirates University | Membrane bioreactor for simultaneous enzymatic cellulose hydrolysis and product separation |
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| US4983303A (en) * | 1986-12-25 | 1991-01-08 | Lignyte Co., Ltd. | Method of separating a particular component from its liquid solution |
| JPH06327952A (en) * | 1993-05-19 | 1994-11-29 | Lignyte Co Ltd | Separation of mixed solution |
| CN101327407A (en) * | 2007-06-20 | 2008-12-24 | 天津工业大学 | Apparatus and method for evaporating and concentrating liquid |
| CN101659495A (en) * | 2008-08-29 | 2010-03-03 | 北京清大国华环保科技有限公司 | Membrane distillation bioreactor device and method |
| CN202751956U (en) * | 2012-07-19 | 2013-02-27 | 杨明 | Suspensory membrane aeration type same chamber membrane distilling device capable of improving water yield and distilling system |
-
2012
- 2012-07-19 CN CN2012102495353A patent/CN102716669A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4983303A (en) * | 1986-12-25 | 1991-01-08 | Lignyte Co., Ltd. | Method of separating a particular component from its liquid solution |
| JPH06327952A (en) * | 1993-05-19 | 1994-11-29 | Lignyte Co Ltd | Separation of mixed solution |
| CN101327407A (en) * | 2007-06-20 | 2008-12-24 | 天津工业大学 | Apparatus and method for evaporating and concentrating liquid |
| CN101659495A (en) * | 2008-08-29 | 2010-03-03 | 北京清大国华环保科技有限公司 | Membrane distillation bioreactor device and method |
| CN202751956U (en) * | 2012-07-19 | 2013-02-27 | 杨明 | Suspensory membrane aeration type same chamber membrane distilling device capable of improving water yield and distilling system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496538A (en) * | 2019-09-12 | 2019-11-26 | 兰州理工大学 | A kind of efficient membrane component for desulfurization wastewater processing |
| US11499132B1 (en) | 2022-02-18 | 2022-11-15 | United Arab Emirates University | Membrane bioreactor for simultaneous enzymatic cellulose hydrolysis and product separation |
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Application publication date: 20121010 |