CN205164512U - Air -gap membrane distillation plant - Google Patents

Air -gap membrane distillation plant Download PDF

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Publication number
CN205164512U
CN205164512U CN201520728676.2U CN201520728676U CN205164512U CN 205164512 U CN205164512 U CN 205164512U CN 201520728676 U CN201520728676 U CN 201520728676U CN 205164512 U CN205164512 U CN 205164512U
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China
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cold
hot
membrane
dividing plate
plate
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CN201520728676.2U
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Chinese (zh)
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薛喜东
王建友
杨建鑫
张振辉
刘宏斌
王继虎
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Nankai University
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Nankai University
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Abstract

The utility model provides an air -gap membrane distillation plant mainly includes membrane distillation membrane stack, heat transfer device and clamping device triplex. Membrane distillation membrane stack comprises the staggered arrangement's of some hot feed liquid baffle, the hydrophobic membrane of micropore, condensation plate and cold burden liquid baffle, heat transfer device comprises thermal technology's matter baffle, cold working medium baffle and heat transfer board, clamping device comprises left pinch -off blades, right pinch -off blades and a plurality of screw rod. Condensation plate's surface is provided with a plurality of vertical slots, when guaranteeing that the air -gap exists, has effectively increased the condensation area of steam to provide the support for hydrophobic membrane, heat transfer board surface and feed liquid baffle surface are provided with horizontal slot, have strengthened the turbulence of working medium and feed liquid, membrane distillation membrane stack and heat transfer device combine in single membrane distillation plant, and cold burden liquid goes out water and returns membrane distillation membrane stack through heat transfer device heating succeeding crop for hot feed liquid. This device has compact structure, the equipment is convenient, the scale of being convenient for is enlarged and the high advantage of heat utilization rate.

Description

A kind of air-gap membrane distillation device
Technical field
The utility model relates to a kind of air-gap membrane distillation device, belongs to UF membrane and technical field of chemical separation.
Background technology
Membrane Materials (MD) technology is the new liquid isolation technics combined with Conventional espresso technology by membrane technology.This technology is using dewatering microporous film as vapour-liquid two-phase laminated flow medium, and under film both sides vapour pressure deficit promotes, in water, volatile component is in vapour form through fenestra, condensation in the cold side of component internal or the condenser of outside.In MD process, mass transfer and heat transfer occur, temperature polarization and concentration polarization all can have a negative impact to process simultaneously.Due to MD have operating temperature low, low-grade heat source and the high advantage of ion rejection rate can be utilized, be subject to people's attention gradually.In common four kinds of Membrane Materials forms such as direct contact membranes distillation (DCMD), vacuum membrane distillation (VMD), sweep gas Membrane Materials (SGMD), air-gap membrane distillation (AGMD), the research about air-gap membrane distillation is more.Air-gap membrane distillation introduces one deck air-gap between cold and hot feed liquid, and the steam through fenestra passes through air-gap, at the cold plate surface condensation of air gap opposite side.Due to cold burden liquid with produce the water plate that is condensed and separate, cold burden liquid can reclaim steam latent heat by pending feed liquid.The existence of air-gap, greatly reduces the direct heat conduction loss of film, thus the steamed journey of film is heated up in a steamer have the highest utilization efficiency of heat energy.
Common air-gap membrane distillation assembly has hollow fiber form and flat.Because hollow fiber form air-gap membrane distillation assembly hollow air-gap is difficult to stable existence, and the hollow fiber hydrophobic membrane of selectable function admirable is little, doughnut Air Gap Membrane establishment of component is complicated simultaneously, and therefore most doughnut air-gap membrane distillation is still in laboratory level.In contrast to this, plate type air gap Membrane Materials due to its air-gap be convenient to control, Flat Membrane that is easy to assembly, that use is cheap, therefore more and more come into one's own in actual applications.But traditional plate type air gap distillation device also has the shortcomings such as the large and membrane area of floor space is little.Patent CN201420519010.1 and CN200420049655.X all reports and utilizes the feed liquid dividing plate of multiple parallel connection to increase membrane area and to reduce floor space; In order to improve the utilization rate of heat energy, absorbing after the cold burden liquid of steam latent heat needs external heat exchanger to heat and returning membrane module as hot feed liquid, thus adding auxiliary equipment.Feed liquid dividing plate needs to add extra rapid and weakens temperature polarization, and microporous hydrophobic membrane used needs independent gripper shoe to support, and therefore, due to the existence of rapid and gripper shoe, the assembling difficulty of membrane module increases.Visible, for the defect of existing plate type air gap membrane component and device, continual exploitation is novel, efficiently, easily plate type air gap MD device is significant.
Summary of the invention
The utility model, namely according to the deficiency of above existing MD, provides a kind of air-gap MD device, mainly comprises Membrane Materials membrane stack, heat-exchanger rig and clamping device; Membrane Materials membrane stack is made up of the staggered hot feed liquid dividing plate of some, microporous hydrophobic membrane, cold plate and cold burden liquid dividing plate; Heat-exchanger rig is made up of first order hot working fluid dividing plate, second level hot working fluid dividing plate, the first order cold working medium dividing plate, the cold working medium dividing plate in the second level and heat exchanger plates, and hot working fluid dividing plate and cold working medium dividing plate are separated by heat exchanger plates, and heat-exchanger rig is positioned at the side of Membrane Materials membrane stack; Clamping device is made up of left clamping plate, right clamping plate and several screw rods, is positioned at the two ends of Membrane Materials membrane stack and heat-exchanger rig.It is characterized in that: described hot feed liquid dividing plate, microporous hydrophobic membrane, cold plate and cold burden liquid dividing plate are all provided with hot liquor inlet, hot material liquid outlet, produce water out, cold liquor inlet and cold material liquid outlet; The hot liquor inlet place of described hot feed liquid dividing plate, hot material liquid outlet place and produce water out place and be provided with water-flow equation secret tunnel, the cold burden liquid import department of described cold burden liquid dividing plate, cold burden liquid exit and produce water out place and be provided with water-flow equation secret tunnel; Reversing plate is had between described Membrane Materials membrane stack and heat-exchanger rig, described reversing plate is provided with cold material liquid outlet, hot liquor inlet and hot material liquid flowing channel, described hot material liquid flowing channel is between cold material liquid outlet and hot liquor inlet, and described hot material liquid flowing channel is provided with lower shoe near the side of cold burden liquid dividing plate; Described left clamping plate is provided with cold liquor inlet, hot material liquid outlet, produces water out and bolt hole, described right clamping plate has hot working fluid import, hot working fluid outlet and bolt hole.
Described cold plate is on the surface of microporous hydrophobic membrane side, and be provided with multiple jagged vertical groove, the groove top of groove is equal with cold plate surface, and the degree of depth of groove is the thickness of air-gap, is provided with water-flow equation secret tunnel between groove and product water out.
The surface of described heat exchanger plates both sides is provided with multiple jagged horizontal channel, and the bottom land of groove is equal with heat exchanger plates surface, and the degree of depth of groove is no more than 1/2nd of working medium block board thickness.
The surface of described cold and hot feed liquid dividing plate both sides, arranges multiple jagged horizontal channel, and the groove top of groove is a little less than the surface of feed liquid dividing plate, and horizontal channel is provided with buffering slope near the position of water-flow equation secret tunnel.
The cold material liquid outlet of described Membrane Materials membrane stack is connected by the cold material liquid outlet of reversing plate with the cold working medium import of heat-exchanger rig, the hot liquor inlet of Membrane Materials membrane stack and the cold sender property outlet of heat-exchanger rig are connected by the hot liquor inlet of reversing plate and hot material liquid flowing channel, cold burden liquid enters heat-exchanger rig as cold working medium, and cold working medium returns Membrane Materials membrane stack as hot feed liquid.
Described feed liquid dividing plate, working medium dividing plate and reversing plate all adopt polypropylene (PP) or polytetrafluoroethylene (PTFE) (PTFE) material of heat-resisting, acid-alkali-corrosive-resisting, the metallic plate material that cold plate and heat exchanger plates all adopt heat conductivility excellent.
The beneficial effect of utility model is: a kind of air-gap membrane distillation device, by introducing heat-exchanger rig in distillation device inside, effectively solves the problems such as the large and auxiliary equipment of floor space that conventional film distillation causes because of external heat-exchanging is many; According to the requirement of process reduction of feed volume, the quantity of feed liquid dividing plate and working medium dividing plate can be increased, in single assembly, realize multiple feed liquid dividing plate and working medium dividing plate parallel operation, there is the advantages such as compact conformation, floor space are little and easy to assembly; Cold plate is provided with multiple jagged vertical groove, and the degree of depth of groove is the thickness of air-gap, while shortening air-gap thickness, increase effectively the condensation area of steam, in addition the groove top of cold plate groove, for hydrophobic membrane provides support, without the need to gripper shoe; The surface of feed liquid dividing plate and heat exchanger plates is provided with multiple jagged horizontal channel, feed liquid or working medium flow vertically through groove, feed liquid and working medium can realize turbulent flow under lower flow velocity, effectively weaken temperature difference polarization and concentration polarization phenomenon, be conducive to the raising of membrane flux and the heat exchange of cold and hot working medium; The cold burden liquid of Membrane Materials membrane stack absorbs the steam latent heat of hot feed liquid, then enter heat-exchanger rig as cold working medium, by turning back to Membrane Materials membrane stack as hot feed liquid after heating, whole distillation device only needs cold burden liquid pump and hot working fluid pump, without the need to hot feed pump, reduce auxiliary equipment and energy consumption.
Accompanying drawing explanation
Fig. 1 assembles schematic diagram for utilizing air-gap membrane distillation device;
Fig. 2 is the current layout drawing of air-gap membrane distillation device;
Fig. 3 is cold burden liquid diaphragm structure figure;
Fig. 4 is the 1-1 enlarged cross-sectional view of cold burden liquid dividing plate;
Fig. 5 is the 2-2 profile of cold burden liquid dividing plate;
Fig. 6 is cold plate structure chart;
Fig. 7 is the 3-3 profile of cold plate;
Fig. 8 is heat exchanger plates structure chart;
Fig. 9 is the 4-4 profile of heat exchanger plates;
Figure 10 is the first order cold working medium diaphragm structure figure;
Figure 11 is the second level cold working medium diaphragm structure figure;
Figure 12 is reversing plate structure chart.
As figure, the cold liquor inlet of 1-, the hot material liquid outlet of 2-, 3-produces water out, the left clamping plate of 4-, the hot feed liquid dividing plate of 5-, 6-microporous hydrophobic membrane, 7-cold plate, 8-cold burden liquid dividing plate, 9-reversing plate, the cold working medium dividing plate in the 10-second level, 11-heat exchanger plates, 12-first order hot working fluid dividing plate, the cold working medium dividing plate of the 13-first order, 14-second level hot working fluid dividing plate, the right clamping plate of 15-, the import of 16-hot working fluid, 17-hot working fluid exports, 18-bolt hole, the hot liquor inlet of 19-, the cold material liquid outlet of 20-, 21-cover plate, 22-lower shoe, 23-cylinder boss, 24-cushions slope, 25-horizontal channel, 26-groove top, 27-bottom land, 28-cover plate, the vertical groove of 29-, the cold working medium import of 30-, 31-hot working fluid collects mouth, the cold working medium of 32-collects mouth, the cold sender property outlet of 33-, the hot material liquid flowing channel of 34-.
Detailed description of the invention
Below in conjunction with drawings and Examples of the present utility model, the technical scheme in the utility model embodiment is clearly and completely described.
Air-gap membrane distillation device provided by the utility model, mainly comprises Membrane Materials membrane stack, heat-exchanger rig and clamping device.Membrane Materials membrane stack is made up of staggered hot feed liquid dividing plate 5, microporous hydrophobic membrane 6, cold plate 7 and cold burden liquid dividing plate 8; Heat-exchanger rig is made up of first order hot working fluid dividing plate 12, second level hot working fluid dividing plate 14, the first order cold working medium dividing plate 13, the cold working medium dividing plate 10 in the second level and heat exchanger plates 11, hot working fluid dividing plate and cold working medium dividing plate are separated by heat exchanger plates 11, and heat-exchanger rig is positioned at the side of Membrane Materials membrane stack; Clamping device is made up of left clamping plate 4, right clamping plate 15 and several screw rods, is positioned at the two ends of Membrane Materials membrane stack and heat-exchanger rig.Hot liquor inlet 19 place of described hot feed liquid dividing plate 5, hot material liquid outlet 2 place and produce water out 3 place and be provided with water-flow equation secret tunnel, cold liquor inlet 1 place, cold material liquid outlet 20 place of described cold burden liquid dividing plate 8 and produce water out 3 place and be provided with water-flow equation secret tunnel; Reversing plate 9 is had between described Membrane Materials membrane stack and heat-exchanger rig, described reversing plate 9 is provided with cold material liquid outlet 20, hot liquor inlet 19 and hot material liquid flowing channel 34, described hot material liquid flowing channel 34 is between cold material liquid outlet and hot liquor inlet, and hot material liquid flowing channel 34 is provided with lower shoe near the side of cold burden liquid dividing plate; Described left clamping plate 4 is provided with cold liquor inlet 1, hot material liquid outlet 2, produces water out 3 and bolt hole 18, described right clamping plate has hot working fluid import 16, hot working fluid outlet 17 and bolt hole 18.
Cold plate 7 is provided with multiple jagged vertical groove 29 on the surface of microporous hydrophobic membrane 5 side.The degree of depth of vertical groove 29 is the thickness of air-gap, and the existence of vertical groove 29 provides stable air-gap; The groove top 26 of vertical groove 29 is equal with the surface of cold plate 7; Vertical groove 29 is connected with product water out 3 by water-flow equation secret tunnel, thus is convenient to produce water along groove 29 inflow product water out 3.The existence of groove 29 increase effectively the condensation area of steam, and condensation area is 2-3 times of traditional cold plate, is conducive to steam-condensation; The groove top 26 of groove 29 provides support for microporous hydrophobic membrane 6, solves the extra mass transfer resistance that tradition uses gripper shoe support microporous hydrophobic membrane 6 to bring.
Water-flow equation secret tunnel is formed by cover plate 21 (or cover plate 28), lower shoe 22 and cylinder boss 23.Cylinder boss 23 is positioned on lower shoe 22, and cover plate 21 (or cover plate 28) and the thickness of lower shoe 22 are 1mm, and the height of cylinder boss 23 is 1-3mm, and the total height of three equals the thickness of dividing plate; Under distillation device clamped condition, cover plate 21 (or cover plate 28) and lower shoe 22 provide support for microporous hydrophobic membrane 6 and cold plate 7, achieve better sealing, prevent feed liquid channelling; Water-flow equation secret tunnel can realize water distribution uniformity and catchment.
The surface of hot feed liquid dividing plate 5 and cold burden liquid dividing plate 8 both sides is provided with multiple jagged horizontal channel 25.The groove top 26 of horizontal channel 25, a little less than the surface of feed liquid dividing plate, under distillation device clamped condition, forms the slit that 0.5-1mm is wide between groove top 26 and microporous hydrophobic membrane 6; Feed liquid flows vertically through horizontal channel 25 in slit, because the roughness of dentate groove is comparatively large, feed liquid can realize turbulent flow under comparatively low flow velocity, is formed effectively wash away microporous hydrophobic membrane 6, abundant weakening temperature polarization and concentration polarization, be conducive to the raising of membrane flux; The stable existence of horizontal run 25 solves tradition owing to additionally adding the assembling difficulty that turbulent flow part brings.The two ends of feed liquid dividing plate horizontal channel 25 are provided with buffering slope 24, and feed liquid turnover water-flow equation secret tunnel is convenient in the setting on buffering slope 24.
The surface of heat exchanger plates 11 both sides is provided with multiple jagged horizontal channel 25.Size communicates with the horizontal channel 25 on feed liquid dividing plate, and the bottom land 27 of horizontal channel 25 is equal with the surface of heat exchanger plates 11, and the degree of depth of horizontal channel 25 is no more than 1/2nd of cold and hot working medium block board thickness; Under distillation device clamped condition, the horizontal run 25 of heat exchanger plates 11 embeds working medium dividing plate, the wide slit of 0.5-1mm is formed between the groove top 26 of adjacent heat exchanger plates 11, cold and hot working medium flows through the surface of heat exchanger plates 11 with turbulence form, effectively improve raising heat transfer coefficient, enable hot working fluid transfer heat to cold burden liquid rapidly.
Membrane Materials membrane stack realizes being connected by reversing plate 9 with heat-exchanger rig.The cold material liquid outlet 20 of Membrane Materials membrane stack is connected with the cold working medium import 30 of heat-exchanger rig by reversing plate 9, and the cold burden liquid absorbing steam latent heat enters heat-exchanger rig as cold working medium; The hot liquor inlet 19 of Membrane Materials membrane stack is connected with the cold sender property outlet 33 of heat-exchanger rig by reversing plate 9, and cold burden liquid turns back to Membrane Materials membrane stack as hot feed liquid at heat-exchanger rig after heat exchange, thus realizes the efficiency utilization of heat energy; Cold and hot working medium is omnidistance adverse current in heat-exchanger rig, can realize the cold feed liquid of sufficient heat exchange for treating; Whole distillation device only needs cold burden liquid pump and hot working fluid pump, without the need to hot feed pump, reduces auxiliary equipment and energy consumption.
The import and export of hot feed liquid and the import and export of cold burden liquid all present diagonal angle and arrange, this layout in water hole can realize being staggered of multiple cold burden liquid dividing plates 8 and multiple hot feed liquid dividing plate 5, according to the requirement of process reduction of feed volume, can suitably increase or reduce quantity or the area of hot feed liquid dividing plate 5, cold burden liquid dividing plate 8 and cold plate 7; Cold and hot working medium import and the diagonal angle collecting mouth are arranged and also can be realized the parallel connection of multiple cold and hot working medium dividing plate, whole distillation device compact conformation, easy to assembly, and scale of being convenient to is amplified.
In this example, hot working fluid is the waste heat fluid of industry or the medium of heating, need remain on more than 60 DEG C; Cold burden liquid is pending feed liquid, need remain on 10-30 DEG C; Feed liquid dividing plate, working medium dividing plate and reversing plate 9 all adopt polypropylene (PP) or polytetrafluoroethylene (PTFE) (PTFE) material of heat-resisting, acid-alkali-corrosive-resisting, and thickness is 3-5mm; The metallic plate material that cold plate 7 and heat exchanger plates 11 adopt heat conductivility excellent, thickness is 1-2mm; Left clamping plate 4 and right clamping plate 15 adopt aluminum alloy material, and thickness is 10-15mm, and clamping plate four limit size is greater than dividing plate 10-20mm, is convenient to out bolt hole; The degree of depth of vertical groove 29 is 1-3mm, and the spacing on adjacent slot top 26 is 5-10mm; The degree of depth of horizontal channel 25 is 1-2mm; The spacing on groove top 26 is 5-10mm; The length on buffering slope 24 is 10-20mm; Microporous hydrophobic scale adopts the PTFE material that hydrophobicity is stronger.
The air-gap membrane distillation device course of work of the present embodiment:
Hot working fluid and cold burden liquid enter heat-exchanger rig and Membrane Materials membrane stack through hot working fluid import 16 and cold liquor inlet 1 respectively; First hot working fluid enters into first order hot working fluid dividing plate 12 by hot working fluid import 16, then collects mouth 31 by hot working fluid and enters second level hot working fluid dividing plate 14, finally exports 17 by hot working fluid and flows out distillation device; Cold burden liquid enters into cold burden liquid dividing plate 8 by the water-flow equation secret tunnel of cold liquor inlet 1, cold burden liquid flows vertically through horizontal channel 25, finally enter into cold material liquid outlet 20 by water-flow equation secret tunnel, cold burden liquid enters into the cold working medium import 30 of heat-exchanger rig by the cold material liquid outlet 20 of reversing plate 9 as cold working medium; First cold burden liquid enter the cold working medium dividing plate 13 of the first order, then mouth 32 is collected by cold working medium, enter into the cold working medium dividing plate 10 in the second level, finally entered the hot material liquid flowing channel 34 of reversing plate 9 by cold sender property outlet 33, cold burden liquid is turning back to Membrane Materials membrane stack as hot feed liquid after heat exchange; Hot feed liquid enters into hot feed liquid dividing plate 5 by the water-flow equation secret tunnel of hot liquor inlet 19, hot feed liquid and cold burden liquid are that adverse current flows through hot feed liquid dividing plate 5, the vapour transmission microporous hydrophobic membrane 6 that hot feed liquid produces, pass through the air-gap that the vertical groove 29 of cold plate is formed, at the surface condensation of the vertical groove 29 of cold plate, produce water by Action of Gravity Field along vertical groove 29, by water-flow equation secret tunnel flow into produce water out 3, finally the stop of the lower shoe 22 of reversing plate 9 dirty go out distillation device; Hot feed liquid is owing to losing heat of evaporation, temperature reduces gradually from bottom to top, cold burden liquid is owing to absorbing the latent heat of steam, temperature raises gradually from top to bottom, cold burden liquid after heat absorption enters into after heat-exchanger rig carries out post bake and returns Membrane Materials membrane stack, the maximum utilization of heat energy of whole process implementation, has higher heat utilization rate.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvement, these improvement also should be considered as protection domain of the present utility model.

Claims (6)

1. an air-gap membrane distillation device, mainly comprises Membrane Materials membrane stack, heat-exchanger rig and clamping device; Membrane Materials membrane stack by some staggered hot feed liquid dividing plate, microporous hydrophobic membrane, cold plate and cold burden liquid dividing plate form; Heat-exchanger rig is made up of first order hot working fluid dividing plate, second level hot working fluid dividing plate, the first order cold working medium dividing plate, the cold working medium dividing plate in the second level and heat exchanger plates, and hot working fluid dividing plate and cold working medium dividing plate are separated by heat exchanger plates, and heat-exchanger rig is positioned at the side of Membrane Materials membrane stack; Clamping device is made up of left clamping plate, right clamping plate and several screw rods, is positioned at the two ends of Membrane Materials membrane stack and heat-exchanger rig; It is characterized in that: described hot feed liquid dividing plate, microporous hydrophobic membrane, cold plate and cold burden liquid dividing plate are all provided with hot liquor inlet, hot material liquid outlet, produce water out, cold liquor inlet and cold material liquid outlet; The hot liquor inlet place of described hot feed liquid dividing plate, hot material liquid outlet place and produce water out place and be provided with water-flow equation secret tunnel, the cold burden liquid import department of described cold burden liquid dividing plate, cold burden liquid exit and produce water out place and be provided with water-flow equation secret tunnel; Reversing plate is had between described Membrane Materials membrane stack and heat-exchanger rig, described reversing plate is provided with cold material liquid outlet, hot liquor inlet and hot material liquid flowing channel, described hot material liquid flowing channel is between cold material liquid outlet and hot liquor inlet, and described hot material liquid flowing channel is provided with lower shoe near the side of cold burden liquid dividing plate; Described left clamping plate is provided with cold liquor inlet, hot material liquid outlet, produces water out and bolt hole, described right clamping plate has hot working fluid import, hot working fluid outlet and bolt hole.
2. a kind of air-gap membrane distillation device according to claim 1, be further characterized in that: cold plate is on the surface of microporous hydrophobic membrane side, be provided with multiple jagged vertical groove, the groove top of groove is equal with cold plate surface, the degree of depth of groove is the thickness of air-gap, is provided with water-flow equation secret tunnel between groove and product water out.
3. a kind of air-gap membrane distillation device according to claim 1, be further characterized in that: the surface of heat exchanger plates both sides is provided with multiple jagged horizontal channel, the bottom land of groove is equal with heat exchanger plates surface, and the degree of depth of groove is no more than 1/2nd of working medium block board thickness.
4. a kind of air-gap membrane distillation device according to claim 1, be further characterized in that: the surface of cold and hot feed liquid dividing plate both sides, arrange multiple jagged horizontal channel, the groove top of groove is a little less than the surface of feed liquid dividing plate, and horizontal channel is provided with buffering slope near the position of water-flow equation secret tunnel.
5. a kind of air-gap membrane distillation device according to claim 1, be further characterized in that: the cold material liquid outlet of Membrane Materials membrane stack is connected by the cold material liquid outlet of reversing plate with the cold working medium import of heat-exchanger rig, the hot liquor inlet of Membrane Materials membrane stack and the cold sender property outlet of heat-exchanger rig are connected by the hot liquor inlet of reversing plate and hot material liquid flowing channel, cold burden liquid enters heat-exchanger rig as cold working medium, and cold working medium returns Membrane Materials membrane stack as hot feed liquid.
6. a kind of air-gap membrane distillation device according to claim 1, be further characterized in that: described feed liquid dividing plate, working medium dividing plate and reversing plate all adopt polypropylene (PP) or polytetrafluoroethylene (PTFE) (PTFE) material of heat-resisting, acid-alkali-corrosive-resisting, the metallic plate material that cold plate and heat exchanger plates all adopt heat conductivility excellent.
CN201520728676.2U 2015-09-15 2015-09-15 Air -gap membrane distillation plant Expired - Fee Related CN205164512U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108507224A (en) * 2018-04-16 2018-09-07 东莞理工学院 A kind of Air Gap Membrane refrigerating plant of Driven by Solar Energy
CN109200827A (en) * 2018-11-19 2019-01-15 上海洁晟环保科技有限公司 A kind of plate film distilling apparatus, distillating method and application
CN110538573A (en) * 2019-09-11 2019-12-06 华北电力大学 Improved air gap type membrane distillation structure
CN110756053A (en) * 2019-11-18 2020-02-07 大连理工大学 Reel type air direct cooling film distillation device
WO2023108276A1 (en) * 2021-12-14 2023-06-22 Nortek Air Solutions Canada, Inc. Advanced liquid desiccant solution regenerator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108507224A (en) * 2018-04-16 2018-09-07 东莞理工学院 A kind of Air Gap Membrane refrigerating plant of Driven by Solar Energy
CN109200827A (en) * 2018-11-19 2019-01-15 上海洁晟环保科技有限公司 A kind of plate film distilling apparatus, distillating method and application
CN109200827B (en) * 2018-11-19 2021-04-09 上海洁晟环保科技有限公司 Flat-plate membrane distillation device, distillation method and application
CN110538573A (en) * 2019-09-11 2019-12-06 华北电力大学 Improved air gap type membrane distillation structure
CN110756053A (en) * 2019-11-18 2020-02-07 大连理工大学 Reel type air direct cooling film distillation device
WO2023108276A1 (en) * 2021-12-14 2023-06-22 Nortek Air Solutions Canada, Inc. Advanced liquid desiccant solution regenerator

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