CN103011317A - Seawater distillation desalination system based on liquid metal - Google Patents
Seawater distillation desalination system based on liquid metal Download PDFInfo
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- CN103011317A CN103011317A CN2011102795584A CN201110279558A CN103011317A CN 103011317 A CN103011317 A CN 103011317A CN 2011102795584 A CN2011102795584 A CN 2011102795584A CN 201110279558 A CN201110279558 A CN 201110279558A CN 103011317 A CN103011317 A CN 103011317A
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- sea water
- desalination system
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- 239000013535 sea water Substances 0.000 title claims abstract description 78
- 238000004821 distillation Methods 0.000 title claims abstract description 71
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 44
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 239000013505 freshwater Substances 0.000 claims abstract description 24
- 239000012267 brine Substances 0.000 claims abstract description 13
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 9
- 238000005194 fractionation Methods 0.000 claims description 27
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 12
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052733 gallium Inorganic materials 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 6
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910000846 In alloy Inorganic materials 0.000 claims description 4
- 239000011490 mineral wool Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910003251 Na K Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract 4
- 238000005192 partition Methods 0.000 abstract 3
- 239000011148 porous material Substances 0.000 abstract 3
- 239000007921 spray Substances 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 229910000807 Ga alloy Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
A liquid metal based desalination system for seawater distillation comprising: the heat collecting device consists of a heat collector, a heat collecting pipe arranged in a cavity of the heat collector and a heating pipe communicated with the outlet ends of the heat collecting pipes, wherein the heat collecting pipes and the heating pipe form a closed loop, and the closed loop is internally filled with liquid metal which circularly flows: the middle part of the distillation separation cavity is provided with a pore plate; a partition board is arranged above the pore plate, one end of the partition board is connected with the separation cavity, and the other end of the partition board is connected with the hydrophobic membrane to form a closed cavity; the heating pipe is positioned below the pore plate in the closed cavity of the separation device; the condensation pipe is positioned in the closed cavity; one end of the condensation pipe is communicated with the seawater storage container through a seawater pump, and the other end of the condensation pipe is provided with a horizontal spray head; the bottom end of the separation cavity is provided with a strong brine outlet pipe with a brine pump; a fresh water outlet pipe with a fresh water pump is arranged on the wall of the closed cavity; the liquid metal has higher heat conductivity coefficient, good fluidity and large working temperature range, and has more excellent heat transfer performance compared with the conventional heat transfer medium, so the seawater desalination efficiency is high.
Description
Technical field
The present invention relates to a kind of sea water by distillation desalination system, be particularly related to a kind of fabulous liquid metal of heat transfer property that uses as the medium of collecting and transmit sun power, thereby in an enclosed space, make efficient transmission of heat make the seawater rapid evaporation to collect the sea water by distillation desalination system based on liquid metal of fresh water.
Background technology
Although the earth is all covered by water near 75% area, but wherein fresh water content only accounts for about 3% of Total Water, other are can not be as the seawater of tap water and irrigation water, and have in these fresh water major part be in the glacier, the deep layer underground storage, it is increasingly serious that the shortage of fresh water is just becoming.The abundant seawater of reserves provides a large amount of water sources, best also almost only way be from seawater, to obtain fresh water, this has just proposed requirement to desalination technology, needs more efficient, the desalination technology that cost is cheaper is to realize a large amount of desalinations of seawater.
Present desalination technology has passed through years development, though can realize large scale preparing fresh water, but these methods such as common distillation method, ion ion exchange method, dialysis, reverse osmosis membrane and cold method etc., all will consume a large amount of fuel or electric power, how reducing energy consumption becomes and promotes the important problem that desalination technology faces on a large scale.The desalination technology that uses sun power to replace fossil energy is undoubtedly best outlet.Present solar seawater desalination system mostly makes water or steam collect as heat-transfer medium and transmits heat, because the boiling point of water is low, specific heat capacity is large, so that these system's ubiquity working temperatures are low, the shortcomings such as the heat that the unit time can carry is limited, and efficient is not high.
Summary of the invention
The object of the invention is to introduce the liquid metal heat supply unit with high heat-transfer performance, so that a kind of more efficient solar energy sea water distillation system for desalination to be provided, by liquid metal collected high strength sun power is used for heating seawater, makes evaporation of seawater obtain fresh water.
Technical scheme of the present invention is as follows:
Sea water by distillation desalination system based on liquid metal provided by the invention, its composition comprises:
One collector arrangement; Described heat collector by solar energy collector (5), place the thermal-collecting tube 1 within the heat collector cavity and the heating tube 2 that is positioned at outside the heat collector cavity that is connected with two exit end of described thermal-collecting tube 1 forms, on described thermal-collecting tube 1 one exit end and the pipeline that heating tube 2 is connected driving pump 3 is housed; Described thermal-collecting tube 1 forms closed loop with heating tube 2, and the liquid metal 4 that circulates is housed in it;
One sea water by distillation tripping device 6; Described sea water by distillation tripping device 6 is comprised of following parts:
One fractionation by distillation cavity; Middle part is provided with the orifice plate 11 of a horizontal positioned in it; The top of its orifice plate 11 is provided with a dividing plate 14, and described dividing plate 14 1 end limits link to each other with the fractionation by distillation cavity, and dividing plate 14 the other end limits link to each other with the hydrophobic membrane 13 of vertical placement; Described dividing plate 14, hydrophobic membrane 13, fractionation by distillation cavity top cover and fractionation by distillation cavity wall form an airtight cavity M;
The heating tube 2 of described heat collector is positioned at the below of orifice plate 11 within the airtight cavity of described sea water by distillation tripping device 6;
One condenser 12; The prolong of described condenser 12 is positioned within the described airtight cavity M; Prolong one end is connected with the seawater tank by sea-water pump 7, and the prolong the other end is equipped with a horizontal shower nozzle 10; Described horizontal shower nozzle 10 is positioned at the top of described orifice plate 11, the below of dividing plate 14;
Be installed on the strong brine rising pipe with strong brine pump 9 of described fractionation by distillation cavity bottom; With
Be installed on the fresh water rising pipe with fresh water pump 8 on the cavity wall of described airtight cavity M.
Described sea water by distillation desalination system based on liquid metal also comprises the thermal-collecting tube 1 that is coated on outside the airtight cavity that exposes sea water by distillation tripping device 6 and the thermal insulating warm-keeping layer on heating tube 2 surfaces; Described thermal insulating warm-keeping layer is rock wool layer, complex silicate salt deposit or expanded plastic.
Described thermal-collecting tube 1 and heating tube 2 are disk-shaped tube, spiral element, and material is copper alloy tube, and its cross-sectional area is 1cm
2-10000cm
2The prolong copper alloy tube of described condenser 12, its diameter are 1cm-10cm.
Described solar energy collector 5 is parabolic trough type heat collector, disc type heat collector or linear Fresnel formula heat collector, and described driving pump is electromagnetic pump.The diameter in the hole on the described orifice plate 11 is 1cm-10cm.The fractionation by distillation cavity of described sea water by distillation tripping device 6 is the copper alloy cavity, and its two ends are circular head, and fractionation by distillation cavity thickness is 1mm-1cm.The fin of heat exchange is equipped with to strengthen in the surface of the prolong of described condenser 12.Described liquid metal 4 is gallium, gallium indium alloy, gallium-indium-tin alloy or Na-K alloy.
The characteristics of the sea water by distillation desalination system based on liquid metal of the present invention are:
Whole system all is to provide institute's energy requirement by sun power, used first thermal conductivity high, good fluidity, under mobility status, can obtain the liquid metal heat transfer carrier of very high convection transfer rate as heat transferring medium, and because the liquid metal specific heat capacity is 0.37kJ/ (kgK), more much smaller than water, so can be elevated at short notice very high temperature, the raising of working temperature means that heat exchange efficiency improves, and it is very rapid to conduct heat, thereby the heat in the unit time also increases greatly.
The present invention is owing to use the brand-new heat-transfer medium of this class of liquid metal, it is much higher that its working temperature is compared to traditional sea water by distillation desalination system, therefore can facilitate the water vapour that produces higher temperature and pressure, this just provides technical foundation for the composite system of higher levels of seawater desalination system and sea water by distillation generating, can before water vapor condensation, it be imported in the decompressor, utilize the expansion process of high temperature and high pressure steam to drive generating, the seawater desalination system that obtains so not only can not consume electric energy, also have the electric energy output, realize the bumper harvests of fresh water and electric energy.
The advantage of liquid metal solar seawater desalination system provided by the invention is as follows:
1, uses sun power as the energy of sea water by distillation desalination, can overcome the large shortcoming of present seawater desalination system energy consumption;
2, use liquid metal as heat transferring medium, working temperature is higher, and heat exchange efficiency is higher, and the unit time heat is larger;
3, the vapor pressure and the temperature that produce are higher, can be used for generating, realize sea water desaltination and steam-electric power composite system.
Description of drawings
Fig. 1 is the structural representation of the sea water by distillation desalination system based on liquid metal of the present invention;
Fig. 2 is A-A section (longitudinal cross-section) synoptic diagram of sea water by distillation tripping device among Fig. 1;
Fig. 3 is heat collector and the thermal-collecting tube vertical view among Fig. 1;
Fig. 4 is heat collector among Fig. 1 and B-B cross section (lateral cross) synoptic diagram of thermal-collecting tube.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the sea water by distillation desalination system based on liquid metal of the present invention; Fig. 2 is A-A section (longitudinal cross-section) synoptic diagram of sea water by distillation tripping device among Fig. 1; Fig. 3 is heat collector and the thermal-collecting tube vertical view among Fig. 1; Fig. 4 is heat collector among Fig. 1 and B-B cross section (lateral cross) synoptic diagram of thermal-collecting tube; As seen from the figure, the sea water by distillation desalination system based on liquid metal provided by the invention, its composition comprises:
One collector arrangement; Described solar energy heat collector by heat collector 5, place the thermal-collecting tube 1 within the heat collector cavity and the heating tube 2 that is positioned at outside the heat collector cavity that is connected with two exit end of described thermal-collecting tube 1 forms, on described thermal-collecting tube 1 one exit end and the pipeline that heating tube 2 is connected driving pump 3 is housed; Described thermal-collecting tube 1 forms closed loop with heating tube 2, and the liquid metal 4 that circulates is housed in it;
One sea water by distillation tripping device 6; Described sea water by distillation tripping device 6 is comprised of following parts:
One fractionation by distillation cavity; Middle part is provided with the orifice plate 11 of a horizontal positioned in it; The top of its orifice plate 11 is provided with a dividing plate 14, and described dividing plate 14 1 end limits link to each other with the fractionation by distillation cavity, and dividing plate 14 the other end limits link to each other with the hydrophobic membrane 13 of vertical placement; Described dividing plate 14, hydrophobic membrane 13, fractionation by distillation cavity top cover and fractionation by distillation cavity wall form an airtight cavity M;
The heating tube 2 of described heat collector is positioned at the below of orifice plate 11 within the airtight cavity of described sea water by distillation tripping device 6;
One condenser 12; The prolong of described condenser 12 is positioned within the described airtight cavity M; Prolong one end is connected with the seawater tank by sea-water pump 7, and the prolong the other end is equipped with a horizontal shower nozzle 10; Described horizontal shower nozzle 10 is positioned at the top of described orifice plate 11, the below of dividing plate 14;
Be installed on the strong brine rising pipe with strong brine pump 9 of described fractionation by distillation cavity bottom; With
Be installed on the fresh water rising pipe with fresh water pump 8 on the cavity wall of described airtight cavity M.
Described sea water by distillation desalination system based on liquid metal also comprises the thermal-collecting tube 1 that is coated on outside the airtight cavity that exposes sea water by distillation tripping device 6 and the thermal insulating warm-keeping layer on heating tube 2 surfaces; Described thermal insulating warm-keeping layer is rock wool layer, complex silicate salt deposit.
Described thermal-collecting tube 1 and heating tube 2 are disk-shaped tube, spiral element, and material is copper alloy tube, and its cross-sectional area is 1cm
2-10000cm
2The prolong of described condenser 12 is copper alloy tube, and its diameter is 1cm-10cm.Described solar energy collector 5 is parabolic trough type heat collector, disc type heat collector or linear Fresnel formula heat collector, and described driving pump is electromagnetic pump.The diameter in the hole on the described orifice plate 11 is 1cm-10cm.The fractionation by distillation cavity of described sea water by distillation tripping device 6 is the copper alloy cavity, and its two ends are circular head, and fractionation by distillation cavity thickness is 1mm-1cm.The fin of heat exchange is equipped with to strengthen in the surface of the prolong of described condenser 12.Described liquid metal 4 is gallium, gallium indium alloy, gallium-indium-tin alloy or Na-K alloy.
Embodiment::
The heat collector 5 of present embodiment adopts thermal-arrest than the parabolic trough type solar energy collector that is 100, disc type thermal-collecting tube 1 is fixed in the cavity of parabolic trough type heat collector, makes solar radiation be focused onto copper pipe surface, and the cross-sectional area of thermal-collecting tube 1 is got 100cm
2, the cross-sectional area of heating copper tube 2 cross-sectional areas also is 100cm
2Between thermal-collecting tube 1 and the heating copper tube 2 electromagnetic pump 3 is arranged.For reducing calorific loss, expanded plastic is wrapped as thermal insulation layer in pipeline outside between heat collector 5 outlets and sea water by distillation tripping device 6 interior heating copper tube 2 entrances, fractionation by distillation device 6 cavitys are processed into cylindrical with the thick copper alloy of 5mm, top and low side have respectively top cover and bottom, form airtight cavity, the volume of cavity can be processed according to the requirement to fresh water yield, middle part abacus 11 at fractionation by distillation device 6 cavitys, the orifice plate material adopts copper alloy, the diameter in equally distributed hole is 1cm on the orifice plate 11, the orifice plate top is shower nozzle 10, the shower nozzle top is dividing plate 14, separator material adopts copper alloy, dividing plate 14 and coupled hydrophobic membrane 13 consist of the airtight cavity M that stores the fresh water of separating, be fixed with the prolong (prolong lower end with shower nozzle 10 to being communicated with) of condenser 12 in the airtight cavity M, the copper pipe cross-sectional area that uses in the prolong is 1cm
2, adding that at the prolong outside surface fin can strengthen the heat exchange efficiency of condenser 12, the prolong ingress links to each other with the sea-water pump 7 of fractionation by distillation device 6 outsides, will pump into preheating in the condenser 12 through pretreated seawater by sea-water pump 7.Near the dividing plate place water outlet is arranged in airtight cavity M bottom, external fresh water pump 8, the fresh water that is stored in the airtight cavity M is pumped through water outlet by fresh water pump 8.At fractionation by distillation device 6 bottoms the strong brine outlet conduit is arranged, external strong brine pump 9, isolated high density seawater is pumped through outlet conduit by strong brine pump 9 behind the evaporation of seawater.The inner gallium-indium-tin alloy 4 that fills of whole pipeline by thermal-collecting tube 1 and heating copper tube 2 consist of drives liquid metal by electromagnetic pump 3 and flows in pipeline.
Working process of the present invention is: by heat collector 5 with solar focusing, thermal-arrest copper pipe 1 is placed focus or the focal line place of heat collector, because very high through the solar heat flow density after focusing on, so that thermal-collecting tube 1 temperature can rise to hundreds of even thousands of degrees centigrade at short notice, driving pump 3 drives liquid metal 4 and flows at a relatively high speed in whole pipeline, simultaneously, because thermal conductivity is large, the little heat transfer property that waits excellence of specific heat capacity, liquid metal 4 is in thermal-collecting tube 1 interior heat absorption, temperature is elevated to rapidly near thermal-collecting tube 1 temperature, and heated liquid metal flows to heating copper tube 2, and the temperature of heating copper tube 2 is raise;
Pumped into by sea-water pump 7 in the prolong of condenser 12 through pretreated seawater, after preheating, sprayed by horizontal shower nozzle 10, and sprayed by orifice plate 11; The seawater and the heating tube 2 that are sprayed by orifice plate 11 carry out heat exchange, make the boiling of Absorption by Sea Water heat or evaporation, the water vapour that produces rises to the top of fractionation by distillation cavity, and by entering airtight cavity M after the hydrophobic membrane 13, heat release condenses into fresh water outside the pipe of the prolong within being positioned at airtight cavity M, the seawater preheating that liberated heat will transport through sea-water pump 7; The fresh water that condenses is stayed in the airtight cavity M, through fresh water pump 8 outputs; Flowing to closed unit 6 bottoms by the part of not evaporating in the seawater of shower nozzle ejection or seethe with excitement becomes strong brine, by 9 outputs of strong brine pump.
Because key of the present invention is to introduce first the liquid metal heat transfer unit in seawater desalination system, set up the brand-new seawater desalination system of principle, parts required in the system can be bought from the market, and the processing of each parts all can adopt prior art to solve.Above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although with reference to embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. sea water by distillation desalination system based on liquid metal, it comprises:
One heat collector; Described collector arrangement by heat collector (5), place the thermal-collecting tube (1) within heat collector (5) cavity and the heating tube (2) that is positioned at outside the heat collector cavity that is connected with two exit end of described thermal-collecting tube (1) to form, on exit end of described thermal-collecting tube (1) and the pipeline that heating tube (2) is connected driving pump (3) is housed; Described thermal-collecting tube (1) forms closed loop with heating tube (2), and the liquid metal (4) that circulates is housed in it:
One fractionation by distillation cavity; Middle part is provided with the orifice plate (11) of a horizontal positioned in it; The top of its orifice plate (11) is provided with a dividing plate (14), and described dividing plate (14) one end limits link to each other with the fractionation by distillation cavity, and dividing plate (14) the other end limit links to each other with the hydrophobic membrane (13) of vertical placement; Described dividing plate (14), hydrophobic membrane (13), fractionation by distillation cavity top cover and fractionation by distillation cavity wall form an airtight cavity (M);
The heating tube of described heat collector (2) is positioned at the below of orifice plate (11) within the airtight cavity of described sea water by distillation tripping device (6);
One condenser (12); The prolong of described condenser (12) is positioned within the described airtight cavity (M); Prolong one end is connected with the seawater tank by sea-water pump (7), and the prolong the other end is equipped with a horizontal shower nozzle (11); Described horizontal shower nozzle (10) is positioned at the top of described orifice plate (11), the below of dividing plate (14);
Be installed on the strong brine rising pipe with strong brine pump (9) of described fractionation by distillation cavity bottom; With
Be installed on the fresh water rising pipe with fresh water pump (8) on the cavity wall of described airtight cavity (M).
2. by the sea water by distillation desalination system based on liquid metal claimed in claim 1, it is characterized in that: also comprise the thermal-collecting tube (1) and the surperficial thermal insulating warm-keeping layer of heating tube (2) that are coated on outside the airtight cavity that exposes sea water by distillation tripping device (6); Described thermal insulating warm-keeping layer is rock wool layer, composition silicate or expanded plastic.
3. by the sea water by distillation desalination system based on liquid metal claimed in claim 1, it is characterized in that: described thermal-collecting tube (1) and heating tube (2) are disk-shaped tube, spiral element, and material is copper alloy, and its cross-sectional area is 1cm
2-10000cm
2
4. by the sea water by distillation desalination system based on liquid metal claimed in claim 1, it is characterized in that: described solar energy collector (5) is parabolic trough type heat collector, disc type heat collector or linear Fresnel formula heat collector.
5. by the sea water by distillation desalination system based on liquid metal claimed in claim 1, it is characterized in that: described driving pump (3) is electromagnetic pump.
6. by the sea water by distillation desalination system based on liquid metal claimed in claim 1, it is characterized in that: the diameter in the hole on the described orifice plate (11) is 1cm-10cm.
7. by the sea water by distillation desalination system based on liquid metal claimed in claim 1, it is characterized in that: the fractionation by distillation cavity of described sea water by distillation tripping device (6) is the copper alloy cavity, its two ends are circular head, and fractionation by distillation cavity thickness is 1mm-1cm.
8. by the sea water by distillation desalination system based on liquid metal claimed in claim 1, it is characterized in that: the fin of heat exchange is equipped with to strengthen in the surface of the prolong of described condenser (12).
9. by the sea water by distillation desalination system based on liquid metal claimed in claim 1, it is characterized in that: the prolong of described condenser 13 is copper alloy tube, and its diameter is 1cm-10cm.
10. by the sea water by distillation desalination system based on liquid metal claimed in claim 1, it is characterized in that: described liquid metal (4) is gallium, gallium indium alloy, gallium-indium-tin alloy or Na-K alloy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102795584A CN103011317A (en) | 2011-09-20 | 2011-09-20 | Seawater distillation desalination system based on liquid metal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102795584A CN103011317A (en) | 2011-09-20 | 2011-09-20 | Seawater distillation desalination system based on liquid metal |
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| CN103011317A true CN103011317A (en) | 2013-04-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381697A (en) * | 2017-08-29 | 2017-11-24 | 华南理工大学 | A kind of high efficiency solar sea water desalinating unit |
| JP2019107646A (en) * | 2017-12-19 | 2019-07-04 | コリア・インスティテュート・オブ・サイエンス・アンド・テクノロジー | Float type membrane distillation apparatus |
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| CN1396120A (en) * | 2001-07-13 | 2003-02-12 | 清华大学 | Membrane distillation type water treating apparatus using solar energy or afterheat |
| CN1623913A (en) * | 2003-12-04 | 2005-06-08 | 刘红静 | Spray heat-exchange type seawater desalination machine |
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| JP2019107646A (en) * | 2017-12-19 | 2019-07-04 | コリア・インスティテュート・オブ・サイエンス・アンド・テクノロジー | Float type membrane distillation apparatus |
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