CN201775976U - Finned condenser tube and filtering module employing same - Google Patents
Finned condenser tube and filtering module employing same Download PDFInfo
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- CN201775976U CN201775976U CN2010202385097U CN201020238509U CN201775976U CN 201775976 U CN201775976 U CN 201775976U CN 2010202385097 U CN2010202385097 U CN 2010202385097U CN 201020238509 U CN201020238509 U CN 201020238509U CN 201775976 U CN201775976 U CN 201775976U
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
- B01D61/368—Accessories; Auxiliary operations
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a finned condenser tube used for condensation in membrane distillation. The finned condenser tube comprises a hollow main body, a plurality of fins and a plurality of openings, which are formed integrally by adopting a material; the fins on the hollow main body form a plurality of channels; the channels are communicated with the openings; and the hollow part of the hollow main body is communicated with the channels and the openings. The utility model aims to provide a finned condensing tube and a filtering module employing the same, which can improve the permeate flux of the air-gap membrane distillation.
Description
Technical field
The utility model relates to a kind of thin-film distillation member, particularly relates to a kind of fin type condenser tube and uses its filtering module.
Background technology
Thin-film distillation, be by one can be by steam but not the porous hydrophobic film by liquid one high-temp liquid and a cryogenic liquid separated carry out still-process.Utilize the method for thin-film distillation can be categorized as direct contact membrane distillation (direct-contact membrane distillation usually; DCMD), the air gap thin-film distillation (air-gap membrane distillation; AGMD), air scans thin-film distillation (sweeping-gas membrane distillation; SGMD) and vacuum film distillation (vacuum membrane distillation; VMD) four kinds.Wherein the air gap thin-film distillation has the highest thermal efficiency, the various involatile constituents that from water, separate have been applied to, seawater desalination system for example, and also be fit to some volatile ingredient of being applied to can't separate in the DCMD method, for example from the aqueous solution, isolate alcohol.But between the air gap of film and condensation surface, the obstruction when causing mass transport and the permeation flux of AGMD is reduced.International monopoly WO8607585A discloses a kind of AGMD formula distillation equipment, points out that the thickness of the air gap is necessary for 0.2～1.0mm, to improve flow velocity and to reduce thermal losses.
At present, about the theory of the air gap thin-film distillation and the document of experiment, though the report of the manufacturing and the design of various high osmotic membranes is arranged, but industrial so far the air gap thin-film distillation (AGMD) module or the system that does not have practicability, because thin-film distillation is non-isothermal process (isothermalprocess), therefore the design of thin-film distillation not only needs the flox condition that provides good, low pressure reduction and high packing density (packing density), and needs to guarantee good heat recovery function and heat endurance.Though (Liu, G.L. in plate and frame module (plate and frame module); Zhu, C.; Cheng, C.S.; Leung, C.W., Theoretical and experimental studieson air gap membrane distillation.Heat Mass Transf.1998.34,329) flat sheet membranes shows the highest permeation flux, but the specific area of single module film is minimum.On the other hand, though use module (Cheng, the L.H. of doughnut; Wu, P.-C.; Chen, J.Numerical simulation and optimal design of AGMD-based hollow fibermodules for desalination.Ind.Eng.Chem.Res.2009,48,4948) can have the highest packing density, but because the diameter of fiber causes to the ratio of length pressure reduction along fiber for maximum.
Therefore, how improving the flux of thin-film distillation module or system, to reach the demand of practicability, is the technology emphasis of present industrial circle utmost point desire development.
This shows that above-mentioned existing the air gap thin-film distillation obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that the air gap thin-film distillation exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of have that volume is little, cost is low concurrently and can have when using comprehensive adjustment function new structure the fin type condenser tube and use its filtering module, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that the thin-film distillation of above-mentioned existing the air gap exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of the fin type condenser tube of founding a kind of new structure and the filtering module that uses it, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
Summary of the invention
In view of above-mentioned utility model background, in order to meet the requirement on the industry, the filtering module that the purpose of this utility model is to provide a kind of fin type condenser tube and uses it can improve the flux of the air gap thin-film distillation.
Another purpose of the present utility model is to provide a kind of fin type condenser tube, when being applied to the air gap thin-film distillation module,, can provide the thickness and the number of various the air gaps except that being used to support the film, by adjusting these varistructures, can improve permeation flux (permeate flux).
An order more of the present utility model is to provide a kind of fin type condenser tube, by transforming the energy as the energy source that thermograde is provided in conjunction with electric energy, solar energy, refuse, carries out thin-film distillation, reaches the effect of various filtration treatment.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of fin type condenser tube that the utility model proposes, wherein be to be used for condensing of thin-film distillation to use member, this fin type condenser tube is by an integrally formed hollow body, plurality of fins and the most opening of being provided with of a material, this plurality of fins constitutes most channels on this hollow body, this majority channel and this majority open communication, wherein the hollow space of this hollow body not with this multi-channel and most open communication.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid fin type condenser tube wherein more comprises a porous clad that coats this hollow body and this plurality of fins, makes this multi-channel be communicated with the outside via the hole of this porous clad and should the majority opening.
Aforesaid fin type condenser tube, wherein this material is metal, alloy, plastics.
Aforesaid fin type condenser tube, wherein this porous clad is a porous film.
Aforesaid fin type condenser tube, wherein this porous film is to be selected from one of following or its any combination: polytetrafluoroethylene (PTFE), polyvinylidene fluoride, cellulose acetate, polysulfones.
Aforesaid fin type condenser tube, wherein this porous clad is to be made of a porous film and the laminated institute of a net.
Aforesaid fin type condenser tube wherein has most concaveconvex structures respectively on this plurality of fins and the face that this porous clad contacts
The purpose of this utility model and solve its technical problem and also realize by the following technical solutions.According to a kind of filtering module that the utility model proposes, it comprises: a housing; At least one fin type condenser tube, be arranged in this housing, this fin type condenser tube is by an integrally formed hollow body, plurality of fins and the most opening of being provided with of a material, this plurality of fins constitutes most channels on this hollow body, this majority channel and this majority open communication, wherein the hollow space of this hollow body of each fin type condenser tube not with this multi-channel and most open communication, the hollow space of this hollow body and external communications; And at least one porous clad, corresponding this hollow body and this plurality of fins that coats this fin type condenser tube of each porous clad makes this multi-channel be communicated to the outside via the hole of this porous clad and should the majority opening.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid filtering module, wherein said housing is separated into most compartments, those fin type condenser tubes and those porous clads are arranged in one first compartment, the opening of those fin type condenser tubes is communicated with one second compartment, and this second compartment have one with the opening of external communications, the hollow space of the hollow body of those each fin type condenser tubes all is communicated with one the 3rd compartment, constitutes a cooling flowing path.
Aforesaid filtering module, wherein a cooling media flows into from the outside and flows out this cooling flowing path.
Aforesaid filtering module, wherein this first compartment has an opening, and one is filtered the opening that liquid can enter from the opening of this first compartment behind this first compartment by this second compartment flows out.
Aforesaid filtering module, wherein this housing is by plastics, metal, alloy or reception that composite the constitutes thermal source from the outside.
Aforesaid filtering module, wherein this thermal source is to be selected from one of following or its any combination: resistance type heater, infrared heater, solar energy, discarded object transform heat energy.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model discloses a kind of fin type condenser tube, it is to be used for condensing of thin-film distillation to use member, this fin type condenser tube is by an integrally formed hollow body, plurality of fins and the most opening of being provided with of a material, this plurality of fins constitutes most channels on this hollow body, this majority channel and this majority open communication, wherein the hollow space of this hollow body not with this multi-channel and most open communication.
According to another embodiment of the utility model, disclose a kind of filtering module, comprising: a housing; At least one fin type condenser tube, be arranged in this housing, this fin type condenser tube is by an integrally formed hollow body, plurality of fins and the most opening of being provided with of a material, this plurality of fins constitutes most channels on this hollow body, this majority channel and this majority open communication, wherein the hollow space of this hollow body of each fin type condenser tube not with this multi-channel and most open communication, the hollow space of this hollow body and external communications; And at least one porous clad, corresponding this hollow body and this plurality of fins that coats this fin type condenser tube of each porous clad makes this multi-channel be communicated to the outside via the hole of this porous clad and should the majority opening.
Advantage of the present utility model and effect: by the fin type condenser tube that uses above-mentioned formation in filtering module, when carrying out thin-film distillation technology, can show the raising flux that lands, and by using most fin type condenser tubes of the present utility model in a filtering module, scale can easily be amplified, the thin-film distillation system that provides the flux multiple to amplify.In addition, use single fin type condenser tube, because simple structure can become portable apparatus in filtering module.Moreover, by utilizing solar energy, need not to use power supply as thermal source, in remote districts or there is not power supply area, use filtering module of the present utility model, carry out raw water filtration, can supply drinking water.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the schematic perspective view that shows the fin type condenser tube of the utility model one embodiment;
Fig. 2 is the longitudinal profile schematic diagram that shows the fin type condenser tube of the utility model one embodiment;
Fig. 3 is the horizontal section schematic diagram that shows the fin type condenser tube of the utility model one embodiment.
Fig. 4 is the longitudinal sectional drawing that shows the filtering module of another embodiment of the utility model; And
Fig. 5 is the schematic perspective view that shows the filtering module of another embodiment of the utility model.
100: fin type condenser tube 200: hollow body
210: hollow space 300: fin
400: opening 500: passage
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to the fin type condenser tube that the utility model proposes and the filtering module that uses it, its specific embodiment, structure, feature and effect thereof, describe in detail as after.
According to the utility model one embodiment, disclose a kind of fin type condenser tube, it is to be used for condensing of thin-film distillation to use member, this fin type condenser tube is by an integrally formed hollow body, plurality of fins and the most opening of being provided with of a material, this plurality of fins constitutes most channels on this hollow body, this majority channel and this majority open communication, the wherein hollow space of this hollow body and this multi-channel and most open communication.
Above-mentioned fin type condenser tube can more comprise a porous clad that coats this hollow body and this plurality of fins, makes this multi-channel be communicated with the outside via the hole of this porous clad and should the majority opening.
Wherein, this material can be metal, alloy, plastics or composite, for example copper, polyethylene, polypropylene etc.
Above-mentioned porous clad can be a porous film, and this porous film can be selected from one of following or its any combination: polytetrafluoroethylene (PTFE) (polytetrafluoroethylene), polyvinylidene fluoride (polyvinylidene fluoride), cellulose acetate (cellulose acetate), polysulfones (polysulfone).In another embodiment, above-mentioned porous clad can by a porous film and a net (mesh) is laminated constitutes, and wherein this net is in order to support this porous film.In another embodiment, can have most fine structures (microstructures or texture) respectively by making on above-mentioned plurality of fins and the face that this porous clad contacts, for example most grooves (grooves) to support above-mentioned porous film, are kept the space of this multi-channel.
According to another embodiment of the present utility model, disclose a kind of filtering module, comprising: a housing; At least one fin type condenser tube, be arranged in this housing, this fin type condenser tube is by an integrally formed hollow body, plurality of fins and the most opening of being provided with of a material, this plurality of fins constitutes most channels on this hollow body, this majority channel and this majority open communication, wherein the hollow space of this hollow body of each fin type condenser tube not with this multi-channel and most open communication, the hollow space of this hollow body and external communications; And at least one porous clad, corresponding this hollow body and this plurality of fins that coats this fin type condenser tube of each porous clad makes this multi-channel be communicated to the outside via the hole of this porous clad and should the majority opening.
Wherein this housing is separated into most compartments, those fin type condenser tubes and those porous clads are arranged in one first compartment, the opening of those fin type condenser tubes is communicated with one second compartment, and this second compartment have one with the opening of external communications, the hollow space of the hollow body of those each fin type condenser tubes all is communicated with one the 3rd compartment, constitutes a cooling flowing path (flow path).One cooling media can flow into from the outside and flow out this cooling flowing path, and this first compartment can have an opening, and one is filtered the opening that liquid can enter from the opening of this first compartment behind this first compartment by this second compartment flows out.This housing is made of plastics, metal, alloy or composite, can receive the thermal source from the outside.This thermal source is to be selected from one of following or its any combination: resistance type heater, infrared heater, solar energy, discarded object transform heat energy.
Fig. 1 shows the perspective diagram according to the fin type condenser tube of the utility model one embodiment, and Fig. 2 shows the longitudinal profile schematic diagram according to the fin type condenser tube of the utility model one embodiment; And Fig. 3 shows the horizontal section schematic diagram according to the fin type condenser tube of the utility model one embodiment.As shown in Figure 2, this fin type condenser tube 100 comprises hollow body 200, plurality of fins 300 and most opening 400.As shown in Figure 3, this fin fin type condenser tube 100 comprises 10 fins 300, is separated out 10 passages 500, is learnt by profile, the thickness of this fin 300 and width determine the space size of this passage, by changing the flux that its thickness and width can change filtering module.Wherein the hollow space 210 of this hollow body 200 can allow cooling media flow through.
Fig. 4 shows that wherein this filtering module comprises one according to fin type condenser tube of the present utility model according to the longitudinal sectional drawing of the filtering module of another embodiment of the utility model.
Moreover Fig. 5 shows that wherein this filtering module comprises most Zhi Shangshu fin type condenser tubes according to the schematic perspective view of the filtering module of another embodiment of the utility model, to increase the flux of filtering module.
The contained fin number of fin type condenser tube is to the influence of the flux of filtering module, the filtering module of Fig. 4 only comprises single fin type condenser tube and the filtering module of Fig. 5 comprises plurality of fins formula condenser tube, the flux of filtering module increases with the fin number of condenser tube, the side of wherein condensing (Tc)=303K, supplying temperature (feed temperature (Th))=323K, when the fin number was 10, flux was about 15kg/m2h.
The seawater desalination system of the AGMD that people such as contrast C.Feng deliver is (with reference to C.Feng et al., Journal of Membrane Science, 311 (2008) 1-6), the highest flux is 11～12kg/m2h under 60 ℃ of temperature differences, the desalination plant that drives of the solar heat based on MD delivered of people such as J.Koschkowski is (with reference to J.Koschkowski et al. in addition, Desalination 156 (2003) 295-304), its maximum output only is about 1.17kg/m2h (281/m2d).Therefore, according to design of the present invention, only utilize the filtering module of Fig. 4 promptly to surmount the system of present use, in addition according to design of the present invention, as shown in Figure 5, in filtering module, use most condenser tubes, easily amplification system scale (scale up), in the actual measurement as the system of Fig. 5, flux can increase with the number multiple of condenser tube when using most condenser tubes.
In the application of seawater desalination system, as if the filtering module that the salt solution of salinity (salinity) 7800ppm is imported Fig. 4, the salinity of the water of its output is 90ppm, and the salinity that contrasts general fresh water is 180ppm.Learn, to have excellent (desalination) effect that desalts thus according to filtering module of the present invention.
According to fin type condenser tube of the present utility model and filtering module, can be applicable to be selected from one of the following system: the water treatment system of water purification system, saline-water reclamation treatment system, waste water purification system, haemodialysis.
In sum, according to fin type condenser tube of the present utility model, can be applicable to the air gap thin-film distillation module, except that being used to support the film, the thickness and the number of various the air gaps can be provided, by adjusting these varistructures, can improve permeation flux, can improve the flux of the air gap thin-film distillation.The filtering module that uses is applied to the air gap thin-film distillation module, can easily amplify (scaleup) to scale, reaches the demand of volume production.In addition,, carry out thin-film distillation, reach the effect of various filtration treatment by transforming the energy as the energy source that thermograde is provided in conjunction with electric energy, solar energy, refuse.
Moreover, use single fin type condenser tube in filtering module, because simple structure can become portable apparatus.Moreover, by utilizing solar energy, need not to use power supply as thermal source, in remote districts or there is not power supply area, use filtering module of the present utility model, carry out raw water filtration, can supply drinking water.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (12)
1. fin type condenser tube, it is characterized in that it being to be used for condensing of thin-film distillation to use member, this fin type condenser tube is by an integrally formed hollow body, plurality of fins and the most opening of being provided with of a material, this plurality of fins constitutes most channels on this hollow body, this majority channel and this majority open communication, wherein the hollow space of this hollow body not with this multi-channel and most open communication.
2. fin type condenser tube according to claim 1 is characterized in that more comprising a porous clad that coats this hollow body and this plurality of fins, makes this multi-channel be communicated with the outside via the hole of this porous clad and should the majority opening.
3. fin type condenser tube according to claim 1 is characterized in that this material is metal, alloy, plastics.
4. fin type condenser tube according to claim 2 is characterized in that this porous clad is a porous film.
5. fin type condenser tube according to claim 4 is characterized in that this porous film is to be selected from one of following or its any combination: polytetrafluoroethylene (PTFE), polyvinylidene fluoride, cellulose acetate, polysulfones.
6. fin type condenser tube according to claim 2 is characterized in that this porous clad is to be made of a porous film and the laminated institute of a net.
7. fin type condenser tube according to claim 2 is characterized in that having most concaveconvex structures respectively on this plurality of fins and the face that this porous clad contacts.
8. filtering module is characterized in that comprising:
One housing;
At least one fin type condenser tube, be arranged in this housing, this fin type condenser tube is by an integrally formed hollow body, plurality of fins and the most opening of being provided with of a material, this plurality of fins constitutes most channels on this hollow body, this majority channel and this majority open communication, wherein the hollow space of this hollow body of each fin type condenser tube not with this multi-channel and most open communication, the hollow space of this hollow body and external communications; And
At least one porous clad, corresponding this hollow body and this plurality of fins that coats this fin type condenser tube of each porous clad makes this multi-channel be communicated to the outside via the hole of this porous clad and should the majority opening.
9. filtering module according to claim 8, it is characterized in that this housing is separated into most compartments, those fin type condenser tubes and those porous clads are arranged in one first compartment, the opening of those fin type condenser tubes is communicated with one second compartment, and this second compartment have one with the opening of external communications, the hollow space of the hollow body of those each fin type condenser tubes all is communicated with one the 3rd compartment, constitutes a cooling flowing path.
10. filtering module according to claim 9 is characterized in that wherein a cooling media flows into from the outside and flows out this cooling flowing path.
11. filtering module according to claim 9 is characterized in that this first compartment has an opening, one is filtered the opening that liquid can enter from the opening of this first compartment behind this first compartment by this second compartment flows out.
12. the described filtering module of arbitrary claim in 11 is characterized in that this housing is by plastics, metal, alloy or reception that composite the constitutes thermal source from the outside according to Claim 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202385097U CN201775976U (en) | 2010-06-24 | 2010-06-24 | Finned condenser tube and filtering module employing same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202385097U CN201775976U (en) | 2010-06-24 | 2010-06-24 | Finned condenser tube and filtering module employing same |
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| CN201775976U true CN201775976U (en) | 2011-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771653A (en) * | 2016-03-07 | 2016-07-20 | 信利（惠州）智能显示有限公司 | Developing solution filtering component |
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2010
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771653A (en) * | 2016-03-07 | 2016-07-20 | 信利（惠州）智能显示有限公司 | Developing solution filtering component |
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