CN109292858A - A kind of fresh water collecting system and its seawater desalination system - Google Patents
A kind of fresh water collecting system and its seawater desalination system Download PDFInfo
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- CN109292858A CN109292858A CN201811267480.2A CN201811267480A CN109292858A CN 109292858 A CN109292858 A CN 109292858A CN 201811267480 A CN201811267480 A CN 201811267480A CN 109292858 A CN109292858 A CN 109292858A
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- 239000013535 sea water Substances 0.000 title claims abstract description 80
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
-
- 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
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The present invention provides a kind of fresh water collecting systems, the fresh water collecting system includes upper water tray and lower accepting water disk, the upper water tray is located at condenser, positioned at lower accepting water disk top, aperture among upper water tray, lower accepting water disk is located at hole lower part, can guarantee that the fresh water through hole of condenser condensation enters lower accepting water disk by intermediate aperture；Upward vertical portion is arranged in the end of upper water tray outermost end, and what is be connected with vertical portion is the horizontal part to extend internally, and the upward rake extended inward along horizontal part；Channel is arranged in the horizontal part, and fresh water is transported to fresh water collecting case so that fresh water is flowed into lower accepting water disk or is directly connected to pipeline.The present invention is by being arranged new-type fresh water collecting system, and by the way that inside and outside drip tray is arranged, external disk height is slightly above inner disc, fresh water collecting area coverage can be made to reach entire vacuum tank interface, while gap can play the role of drainage between inner disc and external disk.By above structure, fresh water collecting can be comprehensively realized, further improve the ability and effect of seawater fresh water.
Description
Technical field
The present invention relates to heat exchanger and field of seawater desalination more particularly to a kind of board-like condensing heat exchanger and its sea water desalinations
System.
Background technique
Hot pipe technique is U.S. Los Alamos (Los Alamos) in 1963National LaboratoryGeorge Ge Luofo
One kind of (George Grover) invention is known as the heat transfer element of " heat pipe ", it takes full advantage of heat-conduction principle and phase transformation is situated between
The heat of thermal objects is transmitted to outside heat source rapidly by the quick thermal transport property of matter through heat pipe, and the capacity of heat transmission is more than to appoint
The capacity of heat transmission of what known metal.
The industries such as aerospace, military project were widely used in front of hot pipe technique, since being introduced into radiator manufacturing, so that
People change the mentality of designing of traditional heat sinks, get rid of the list for obtaining more preferable heat dissipation effect by high air quantity motor merely
One radiating mode makes radiator obtain satisfied heat transfer effect using hot pipe technique, opens heat dissipation industry new world.At present
Heat pipe is widely used in various heat exchange equipments, and including solar energy, field of seawater desalination, such as solar energy utilizes.
Chinese island is more than 10,000, but most of because deficient fresh water can not live, and has inhabitant person less than 500, system
The about functions such as Islands Exploitation, national defence.National Development and Reform Committee, National Bureau of Oceanography will combine " the island sea water desalination printed and distributed in the end of the year 2017
Engineering construction scheme " propose, arrive the year two thousand twenty, be effectively relieved islander's problem of water consumption, improve living environment, make sea water desalination at
For one of main way of supplying water in serious water shortage Island, life, industrial water demand that island is constantly promoted are substantially met.
In view of the above-mentioned problems, it is proposed that one kind based on phase transformation strengthening heat-transfer mechanism, using loop circuit heat pipe technology, plate
Formula CPL capillary pump technology, heat sinking chip flow-disturbing evaporator and integration VC plate fin condenser realize low temperature low energy consumption
The desktop grade size solar seawater desalination system of operation, and mode is innovatively vacuumized using Venturi tube, simplify equipment
While energy consumption is greatly reduced.System uses wind-light complementation energy supplying system, deficient suitable for electric power and shortage of fresh water item
Part complex area.Finally, host computer operating platform connection embedded chip control node switch and acquisition device junction sensor
Data have been significantly reduced operation difficulty, realize unattended, the full-automatic operation of remote control and equipment.
In view of the above-mentioned problems, it is proposed that a kind of new-type fresh water collecting system in sea water desalination.
Summary of the invention
The present invention provides a kind of new-type fresh water collecting systems, can comprehensively realize fresh water collecting, further improve
The ability and effect of seawater fresh water.
To achieve the goals above, technical scheme is as follows:
A kind of fresh water collecting system, the fresh water collecting system include upper water tray and lower accepting water disk, the upper water tray
Positioned at condenser, it is located at lower accepting water disk top, aperture among upper water tray, lower accepting water disk is located at hole lower part, passes through centre
Aperture can guarantee that the fresh water through hole of condenser condensation enters lower accepting water disk；The end of upper water tray outermost end is arranged upward
Vertical portion, what is be connected with vertical portion is the horizontal part to extend internally, and the upward inclination extended inward along horizontal part
Portion；Channel is arranged in the horizontal part, and fresh water is transported to fresh water so that fresh water is flowed into lower accepting water disk or is directly connected to pipeline
Collecting box；
The lower accepting water disk is located at the lower part of upper water tray aperture, and the lower accepting water disk includes being located at the lower accepting water disk most
Upward vertical portion is arranged in the end of outer end, and that be connected with vertical portion is the rake tilted down to extend internally, Yi Jiwei
In the channel of center, the channel connects fresh water collecting case.
A kind of seawater desalination system, the system comprises vapo(u)rization system, condenser system and fresh water collecting system, seawater is steaming
Hair system is evaporated generation steam, and then steam, which condense in condenser system, becomes fresh water, and then fresh water passes through fresh water and receives
Collecting system is collected,
The fresh water collecting system is mentioned-above fresh water collecting system.
The condenser includes cold water inlet, cooling water outlet, temperature-uniforming plate, board-like condensate component, the board-like condensate component
Including multiple parallel isolation transverse slats, cold water runner is formed between adjacent isolation transverse slat, flow-disturbing is set in the cold water runner
Plate, the spoiler are twisted plates, and the spoiler is arranged in cold water runner and isolation by distance transverse slat certain distance, described to disturb
Flowing plate extending direction is parallel with isolation transverse slat；The temperature-uniforming plate includes upper temperature-uniforming plate and lower temperature-uniforming plate, and the one of the upper temperature-uniforming plate
The top of board-like condensate component is arranged in end, and the lower part of board-like condensate component, the temperature-uniforming plate is arranged in one end of lower temperature-uniforming plate
Far from board-like condensate component the other end be arranged fin；Closed cavity is set inside temperature-uniforming plate, capillary knot is set on the inside of cavity
Structure；The capillary structure is arranged around the inner wall of cavity；It is opposite that cold water inlet, cooling water outlet are separately positioned on board-like condensate component
Side.
The warp architecture preferably, spoiler is in the shape of the letter V.
Preferably, the distance that the isolation transverse slat among cold water runner and apart from two sides is arranged in the spoiler is identical.
Preferably, through-hole is arranged on the spoiler.
Preferably, spoiler is located at the middle position between two pieces of isolation transverse slats, the V-shaped angle of spoiler is A, is disturbed
The height of flowing plate is H, and the spacing being isolated between transverse slat is S, then meets following require:
Sin (A)=a* (S/H)-b* (S/H)2-c；
Wherein a, b, c are parameter, 23.62 < a < 23.63,8.68 <b < 8.69,15.06 < c < 15.08；
If Sin (A) > 1, the Sin (A)=1 calculated；
30 ° < a < 150 °, 1.10 < S/H < 1.61；
The spacing being isolated between transverse slat is that S is with the distance of the opposite wall surface of adjacent transverse slat；
The height of spoiler is that H is to stream the distance between Lamb wave peak and trough.
Preferably, 60 ° < a < 110 °, 1.2 < S/H < 1.4.
Preferably, a=23.627, b=8.6875, c=15.07；
Preferably, a is gradually reduced, and b, c is gradually increased with the increase of S/H.
Preferably, the board-like condensate component 55 is circular configuration.
A kind of seawater desalination system, the system comprises vapo(u)rization system, condenser system and fresh water collecting system, seawater is steaming
Hair system is evaporated generation steam, and then steam, which condense in condenser system, becomes fresh water, and then fresh water passes through fresh water and receives
Collecting system is collected,
The condenser system includes mentioned-above heat-exchanger rig.
Preferably, the seawater desalination system, the system comprises vapo(u)rization system, condenser system and fresh water collecting systems
System, seawater are evaporated generation steam in vapo(u)rization system, and then steam, which condense in condenser system, becomes fresh water, then fresh water
It is collected by fresh water collecting system,
The vapo(u)rization system includes solar thermal collector and loop circuit heat pipe, and the loop circuit heat pipe evaporation ends absorb solar energy,
Then it exchanges heat in condensation end and seawater, makes evaporation of seawater；
The fresh water collecting system includes upper water tray and lower accepting water disk, and the upper water tray is located at condenser, position
In lower accepting water disk top, upward vertical portion is arranged in aperture among upper water tray, the end of outermost end, and what is be connected with vertical portion is
Horizontal part, and the upward rake extended inward along horizontal part；The horizontal part providing holes, so that fresh water is flowed into
Lower accepting water disk；The lower accepting water disk includes the hole portion at middle part, and the hole portion connects fresh water collecting case；
The seawater desalination system further includes vacuum system, the condenser, upper water tray, lower accepting water disk and loop circuit heat pipe
Condensation end be arranged in vacuum system.
Condenser, upper water tray, lower accepting water disk and loop circuit heat pipe condensation end be sequentially arranged from top to bottom.
Preferably, further including seawater circulation spray system, the seawater circulation spray system is arranged in vacuum system,
The seawater circulation spray system includes circulated sprinkling pump, atomizing spray head and circulation line, and atomizing spray head is arranged cold
The top at solidifying end；Seawater in vacuum system is pumped into atomizing spray head by circulated sprinkling pump, then arrives condensation end in spray.
Preferably, the evaporation ends are plank frames, the solar thermal collector includes solar heat-collection plate, the steaming
The upper surface of originator is attached in the lower surface of solar heat-collection plate.
Preferably, the evaporation ends are plank frames, the upper surface of the evaporation ends is exactly solar heat-collection plate.
Preferably, further including vacuum system, the vacuum system includes vacuum tank, the condenser, upper water tray and
Lower accepting water disk, condensation end are arranged in vacuum tank.
Preferably, concentration of seawater detection device is arranged in tank body, for detecting the concentration of seawater, controller is according to detection
Concentration of seawater automatically control row seawater.
Compared with prior art, the present invention has the advantage that:
1) present invention is by being arranged new-type fresh water collecting system, and by the way that inside and outside drip tray is arranged, external disk height is slightly above
Inner disc can make fresh water collecting area coverage reach entire vacuum tank interface, while gap can play drainage between inner disc and external disk
Effect.By above structure, fresh water collecting can be comprehensively realized, further improve the ability and effect of seawater fresh water.
2) the present invention provides a kind of new board-like condensing heat exchanger, condensing unit is from top to bottom by fin, temperature-uniforming plate, cold
Aquaporin, temperature-uniforming plate, five layers of fin composition, every layer of each self-applying for playing the foregoing description in condensation process, and stratiform is set
Meter facilitates processing；Spoiler is interspersed between isolation transverse slat, achievees the purpose that stream with this, and realization is passed through flow-disturbing channel interior
Mare Frigoris water comes into full contact with upper and lower VC plate, increases heat exchange efficiency；Exchange heat structure has carried out numerical simulation and experimental study,
Optimal relation formula has been determined.
3) CPL technology is combined with sea water desalination.It, innovatively will can under the very little temperature difference according to phase-change heat-exchange principle
The CPL capillary pump of the very big heat of remote transmitting is combined with sea water desalting equipment, and uses plate design, so that heat transfer effect
Rate improves 4 times or so compared with conventional convection heat exchange mode, greatly improves heat transfer efficiency.
4) condenser and falling film evaporator of innovative structure.Condenser using slice structure design, in conjunction with temperature-uniforming plate with
Fin, the intracavitary attachment of VC are sintered reticular structure, realize phase-change heat-exchange, and making heat, planar Quick uniform is spread, and passes through wing
Chip architecture is significantly increased and water vapour contact area, raising heat exchange efficiency, more traditional about 15% heat transfer efficiency of fin structure increase.
In addition, from design heat sinking chip flow-disturbing evaporator, multiple-piece construction is arranged in parallel, is added significantly to and atomizing spray seawater
Contact area, increase 20% heat transfer efficiency after actual measurement.
5) Venturi tube realizes that waste water vacuumizes.Waste water derived from condenser is drained to Venturi tube to export again, literary mound
In pipe one end communicated with main tank body, air is extracted out using venturi principle, maintain low temperature distillation needed for vacuum degree, effectively subtract
Few energy consumption.Condensation portion and the ingenious combination of vacuumized part are simplified equipment by the design, no longer need to additionally to connect vacuum pumping true
Sky improves equipment complex service performance, significantly reduces Energy in use.
6) present invention uses Novel structure constant-current stabilizer, by square and octagon, so that the square hole formed
The angle formed with the side in octagon hole is all greater than equal to 90 degree, so that fluid can sufficiently flow through the every of each hole
A position avoids or reduces the short circuit of fluid flowing.The present invention is separated two-phase fluid by the constant-current stabilizer of Novel structure
At liquid and gas, liquid phase is divided into small liquid group, gas phase is divided into minute bubbles, inhibits the reflux of liquid phase, promotes gas phase suitable
Channel Group is dynamic, plays the role of regime flow, has the effect of vibration and noise reducing.Constant-current stabilizer in compared with the existing technology, into one
Step improves steady flow result, and is simple to manufacture.
The present invention is with a wide range of applications.
1) product greatly reduces energy consumption, there is significant ground operating cost advantage.About 9000 kilojoule of this equipment operation energy consumption is every
Ton, about conventional multi-level flash distillation, multistage distillation mode operation energy consumption 1/4, power savings advantages are significant, compared with other sea water desalination modes
About 420,000 yuan can be saved every year.
2) equipment takes up an area only 1.2 ㎡, is 1/5th of existing ordinary sea water desalting plant.Seawater at present on the market is light
Change equipment mainly to produce the large size of kiloton fresh water daily, based on large equipment, cannot apply narrow in fishing boat, small island homalographic
Place.And the innovation of this equipment uses new technique, greatly reduces occupied area, compensates for the market vacancy.
3) clean energy resource is stablized in use.China island is mainly distributed on the South Sea, and the area light application time is long, radiation is strong,
It is suitble to development and promotes solar energy sea water desalination apparatus, applied solar energy clean energy resource is pollution-free, meets national environmental protection policy side
Needle.
Energy-saving and emission-reduction performance analysis of the present invention
1) in terms of device energy acquisition.The Miniature seawater desalination device consumption energy mostlys come from solar energy, according to data
Knowing that the average intensity of solar radiation on Earth's orbit is 1369W/m2, the typical peak intensity on sea level is 1kW/m2,
On China South Sea island etc., equators area radiation intensity is bigger, and solar energy resources are very rich, increasingly deficient compared to consumption
The petroleum resources present apparatus effective use of environmentally friendly new energy is successfully realized using the solar energy supply energy.
2) in terms of fresh water production benefit and secondary pollution.Present apparatus fresh water has a daily output of 120 liters, is equivalent to and drinks mineral spring
240 bottles of water, it can supply that about 50 adults are daily drinking, this not only eliminates the shipping fresh water by inside even from weather
Trouble can more save about 512 tons of diesel oil every year, reduce by 810,000,000 liters of CO2 emissions, and the effect of energy-saving and emission-reduction is realized in perfection
Fruit.
The present apparatus can also solve the problems, such as that salt alkali lake surrounding resident fresh water is drunk, compared to largely discharging various pollutions on the way
The vehicle of tail gas transports fresh water, and the present apparatus can realize the saline-water reclamation of zero-emission and without secondary pollution, saving fuel oil protection of resources ecology
Also the discharge of pernicious gas is effectively reduced while environment.
3) in terms of device operation efficiency.The CPL capillary pump used from the present apparatus from the point of view of device for mechanical construction utilizes phase transformation
Heat exchange principle, compared with existing heat convection, heat transfer efficiency improves 4 times or so；The condensation of Original Architectural Design integration VC plate fin
Device, increases transfer contact surface area significantly, and more traditional fin structure increases 15% heat transfer efficiency；Select radiating fin
Formula flow-disturbing evaporator, is arranged in parallel and is added significantly to heat transfer area, increases 20% heat transfer efficiency.The increase of efficiency is meaned
The reduction of specific energy consumption, can be only 9000KJ according to effective measuring and calculating present apparatus ton water consume, account for desalination by reverse osmosis process under equal conditions
Mode energy consumption 62.5%, multi-effect distilling desalination mode energy consumption 20%, multi-effect distilling desalination mode energy consumption 18%, energy conservation effect
Fruit is significant.
5) in terms of device control mode.From the point of view of mode of operation, the present apparatus is fully automatic operation, start & shutdown through one key, is removed from
To manually-operated dependence, and it is annual need to only safeguard primary, greatly reduce artificial energy consumption, save to control and safeguarding
Device and a variety of inessential energy consumptions generated.
6) in terms of device obtains fresh water water quality.The present apparatus produces water and examines through Weihai Municipal Quality Supervision Bureau, reaches Drinking Water mark
It is quasi-.Reduce the energy required for obtaining fresh water to pay wages, and acquirement fresh water water quality is good, does not need double purification, save the cost
The energy consumption in water purification process is also saved simultaneously.
Detailed description of the invention
Fig. 1 is solar seawater desalination system structural schematic diagram of the invention.
Fig. 2 is that the view of fresh water condensing unit structure of the invention is intended to.
Fig. 3 is the temperature-uniforming plate bottom view of Fig. 2.
Fig. 4 is the board-like condensate component schematic diagram of internal structure of Fig. 2
Fig. 5-1 is solar energy vapo(u)rization system structure chart.
Fig. 5-2 is solar energy-electric energy combination vapo(u)rization system structure chart.
Fig. 6 is loop circuit heat pipe working principle diagram.
Fig. 7-1 is heat pipe evaporator structural schematic diagram.
Fig. 7-2 is the schematic cross-section of Fig. 7-1.
Fig. 8-1 is condensation end of heat pipe structural schematic diagram.
Fig. 8-2 is Fig. 8 different directions structural schematic diagram.
Fig. 9 is Vacuuming structure schematic diagram；
Figure 10 is circulated sprinkling schematic diagram；
Figure 11 is fresh water collecting system structure diagram；
Figure 12 separating device cross-sectional structure schematic diagram of the present invention；
Another cross-sectional structure schematic diagram of Figure 13 separating device of the present invention；
Figure 14 is separating device of the present invention arrangement schematic diagram in tedge；
Figure 15 is that separating device of the present invention arranges cross-sectional view in tedge.
Figure 16 lower accepting water dish structure schematic diagram；
Figure 17 upper water tray structural schematic diagram.
Appended drawing reference is as follows: 1 solar heat-collection plate, 2 loop circuit heat pipes, 3 electric hot plates, 4 cold water inlets, 5 condensers, 6 water receivings
Disk, 7 spray heads, 8 evaporators, 9 cooling water outlets, 10 Venturi tubes, 11 wastewater outlets, 12 vacuum tanks；13 fresh water collecting casees, 14 is steady
Flow device；
21 upper cover plate outer walls, 22 steam conduits, 23 capillary wicks, 24 liquid channels, 25 base outer walls, 26 gaskets, 27 steam
Collector；
Fin on 51, temperature-uniforming plate on 52,521 cavitys, 522 capillary structures, 523 fins, 53 cold water inlets, 54 cold water go out
Mouthful, 55 board-like condensate components, 551 isolation transverse slats, 552 spoilers, 56 lower temperature-uniforming plates, 57 lower fins；
61 lower accepting water disks, 611 hole portions, 62 upper water trays, 621 holes, 622 vertical portions, 623 horizontal parts, 624 rakes
81 inlet tubes, 82 inlet headers, 83 import heat exchanger tubes, 84 board groups, 85 outlet heat exchanger tubes, 86 outlet headers, 87 go out
Mouth pipe, 88 fresh water collecting pipelines, 89 fresh water collection barrels, 90, part seawater inlet, 91 centrifugal pumps, 92 circulated sprinkling pipelines
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
Herein, if without specified otherwise, it is related to formula, "/" indicates that division, "×", " * " indicate multiplication.
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
A kind of seawater desalination system as shown in Figure 1, the seawater desalination system include vapo(u)rization system, condenser system and light
Water collection system, seawater are evaporated generation steam in vapo(u)rization system, and then steam, which condense in condenser system, becomes fresh water,
Then fresh water is collected by fresh water collecting system.
The vapo(u)rization system includes solar thermal collector 1 and loop circuit heat pipe 2, and 2 evaporation ends of loop circuit heat pipe absorb the sun
Can, it then exchanges heat in condensation end 8 with seawater, makes evaporation of seawater；
The condenser system includes condenser 5, and the condenser 5 condenses the vapor that evaporation of seawater generates；
The fresh water collecting system includes drip tray, and the drip tray is located at the lower part of condenser 5, for collecting condenser
Condense the condensed water generated；
The condensation end of condenser 5, drip tray and loop circuit heat pipe is sequentially arranged from top to bottom.
Preferably, the condenser system includes condenser 5, the condenser 5 includes cold water inlet 53, cooling water outlet
54, temperature-uniforming plate 52,56, board-like condensate component 55, the board-like condensate component 55 include multiple parallel isolation transverse slats 551, phase
Cold water runner is formed between adjacent isolation transverse slat 551, spoiler 552 is set in the cold water runner, the spoiler 552 is curved
Bent plate, be preferably in the shape of the letter V warp architecture.The spoiler 552 is arranged in cold water runner and isolation by distance transverse slat certain distance,
552 extending direction of spoiler is parallel with isolation transverse slat；The temperature-uniforming plate includes upper temperature-uniforming plate 52 and lower temperature-uniforming plate 56, described
The top of board-like condensate component 55 is arranged in one end of upper temperature-uniforming plate 52, and one end of lower temperature-uniforming plate 56 is arranged in board-like condensate component
Lower part, the temperature-uniforming plate far from board-like condensate component the other end be arranged fin 523；Closed cavity is set inside temperature-uniforming plate
521, capillary structure 552 is set on the inside of cavity 521；The capillary structure 552 is arranged around the inner wall of cavity 521；Cold water inlet
53, cooling water outlet 54 is separately positioned on the opposite side of board-like condensate component；
VC plate, that is, temperature-uniforming plate 52,56, work signal such as Fig. 3, inside cavities have sintering reticular structure, up and down preferably each 5-
9 layers, further preferred 7 layers, interlamellar spacing is 180-220 microns preferred, further preferred 200 microns, facilitates fluid adsorption, real
Phase-change heat-exchange in existing temperature-uniforming plate.When work, the liquid medium of vacuum chamber bottom is transmitted in absorption VC board bottom portion from vapor
It after the heat of fin, in evaporation and diffusion to vacuum chamber, conducts heat in condensation pipe, the liquid then condensed passes through attachment
In the sintered meshwork reflux with capillary force of VC plate inner wall.From principle, VC plate is similar to heat pipe, but on conduction pattern
Different from, heat pipe is one-dimensional linear heat transfer, and the heat in VC plate is conducted on a two-dimensional face, therefore efficiency
It is higher, it is also more energy efficient.Temperature-uniforming plate is equivalent to a two-dimensional heat pipe, its presence can help heat quick in planar range
Diffusion improves heat exchange efficiency；The setting of fin structure is added significantly to the heat exchange area between vapor and condenser, and heat exchange amount increases
Add, producing water ratio improves.
Preferably, the distance phase of the isolation transverse slat among cold water runner and apart from two sides is arranged in the spoiler 552
Together.And have multiple pads between both side plate, by the way that multiple pads are arranged, consolidating between both side plate on the one hand can be increased
Fixed connection, on the other hand can be used for further flow-disturbing, improve heat transfer effect.
Preferably, through-hole is arranged on the spoiler 552.Spoiler 552 can be further decreased by through-hole to bring
Flow resistance, while also ensuring that more fluids flow through the inside of spoiler 552, further augmentation of heat transfer.
It is found in numerical simulation and test, the V-shaped angle of spoiler 552 cannot be too small, too small to will lead to flowing resistance
Power increases, while can not be too big, and it is bad to will lead to very much flow-disturbing effect greatly；Be isolated spacing between transverse slat can not it is too big or
It is too small, also result in flow resistance or flow-disturbing effect be bad, and spoiler 552 with the gap between transverse slat is isolated can not be too
It is small, it is too small to will lead to flow resistance increase, while can not be too big, it is bad to will lead to very much flow-disturbing effect greatly.The present invention is through excessive
The numerical simulation and experimental study of amount find the optimal of optimal heat transfer effect when meeting flow resistance is 50KPa
Structural relation.
Spoiler is located at the middle position between two pieces of isolation transverse slats, and the V-shaped angle of spoiler 552 is A, spoiler
Height is H, and the spacing being isolated between transverse slat is S, then meets following require:
Sin (A)=a* (S/H)-b* (S/H)2-c；
Wherein a, b, c are parameter, 23.62 < a < 23.63,8.68 <b < 8.69,15.06 < c < 15.08；
If Sin (A) > 1, the Sin (A)=1 calculated；
30 ° < a < 150 °, 1.10 < S/H < 1.61；
Further preferably, 60 ° < a < 110 °, 1.2 < S/H < 1.4；
Further preferably, a=23.627, b=8.6875, c=15.07；
The spacing being isolated between transverse slat is that S is with the distance of the opposite wall surface of adjacent transverse slat.
The height of spoiler is that H is to stream the distance between Lamb wave peak and trough.
Further preferably, as the increase of S/H, a are gradually reduced, b, c is gradually increased.By so set, enabling to
The relational expression of optimization further increases heat transfer effect further to actual numerical simulation and experimental result.
Preferably, 20 < S of S value range < 100mm, 18 < H of H value range < 90mm；
Preferably, the V-shaped angle is arc transition structure, as shown in Figure 3.To further mitigate resistance.
When arc transition structure, V-shaped angle is that A is to form the folder formed between the extended line of the two of angle straight lines
Angle.
Preferably, it is all two that cold water inlet 53 and cooling water outlet 54, which are respectively, to form two cold water in parallel
Runner.Water respectively enters in condenser from two entrances, improves condenser inner cold water flow velocity, reinforces heat exchange.
Preferably, two cold water inlets 53 are located at the edge position of the two sides of board-like condensate component, two cold water
Outlet 54 is located at board-like condensate component middle position.Spacing between two cold water inlets 53 be greater than two cooling water outlets 54 it
Between spacing, so that cold water be made to flow from the outside to the inside in condenser, flow region can cover entire condenser.
Preferably, the board-like condensate component 55 is circular configuration, it can be improved in circle using the design of circular configuration
The intracorporal space utilization rate of cylindricality tank improves the contact area of steam and condenser as far as possible.Condensing unit is from top to bottom by wing
Piece, temperature-uniforming plate, cold water channel, temperature-uniforming plate, five layers of fin composition, every layer of respective work for playing the foregoing description in condensation process
With, and layered design facilitates processing.
Preferably, board-like condensate component is made of outer wall pipeline, 5 isolation transverse slats and 6 spoilers, specific structure
As shown in Figure 4.5 isolation transverse slats are uniformly distributed in parallel, and 6 spoilers are interspersed between isolation transverse slat, are reached with this and are streamed
Purpose, realization are passed through the Mare Frigoris water of flow-disturbing channel interior and coming into full contact with for upper and lower VC plate, increase heat exchange efficiency.
Preferably, the upper wall surface of the lower wall surface of upper temperature-uniforming plate 52 and lower temperature-uniforming plate 56 is exactly board-like condensate component 55 respectively
End cap up and down.
The condenser 5 is obliquely installed with horizontal plane, preferably, inclination angle be 14-16 degree, further preferred 15
Degree.When inclination angle is too small, after steam is condensed in condenser upper surface, surface is easily covered on it without flowing down with inclination angle, influences water
Steam is contacted with condenser, reduces condensation efficiency；When inclination angle is excessive, occupied space is larger in the vertical direction, and in level
Projected area is smaller on direction, and water vapour is unfavorable for being in contact with it after rising, and reduces condensation efficiency.
The design of fin structure, the different strip board of many length vertically connect on round base plate, the side of strip board
The contact area of condenser and vapor has been significantly greatly increased in face, improves heat transfer rate, and the vapor after condensation liquefaction is attached to wing
Piece surface, after drip under the effect of gravity.
Preferably, fin 523 is exactly fin 51 and 57.
Preferably, through-hole is arranged on the spoiler 552.By setting through-hole, it can further alleviate flow resistance,
And guarantee fluid intercommunication between spoiler, avoid spoiler partial short-circuit.
The fresh water collecting system includes that upper (outer) drip tray 62 (interior) drip tray 61, upper water tray 62 under are located at
5 lower part of condenser, is located at 62 top of lower accepting water disk, the intermediate aperture 621 of upper water tray 62, and lower accepting water disk 61 is located under hole 621
Portion can guarantee that the fresh water through hole of condenser condensation enters lower accepting water disk 61 by intermediate aperture.62 outermost end of upper water tray
End upward vertical portion 622 is set, what is be connected with vertical portion 622 is the horizontal part 623 to extend internally, and along level
The upward rake 624 that portion 623 extends inward；Channel 625 is arranged in the horizontal part 623, connects so that fresh water is flowed into down
Water pond is directly connected to pipeline fresh water is transported to fresh water collecting case 13；
The lower accepting water disk 61 is located at the lower part of upper water tray aperture 621, the lower accepting water disk 61 include be located at it is described under
Upward vertical portion 612 is arranged in the end of drip tray 61 including outermost end, be connected with vertical portion 622 be extend internally it is downward
Inclined rake 613, and positioned at the channel 611 of center, the channel 611 connects fresh water collecting case.
The present invention, which passes through, is arranged new-type fresh water collecting system, and by the way that inside and outside drip tray is arranged, external disk height is slightly above interior
Disk can make fresh water collecting area coverage reach entire vacuum tank interface, while gap can play the work of drainage between inner disc and external disk
With.By above structure, fresh water collecting can be comprehensively realized, further improve the ability and effect of seawater fresh water.
Fresh water collecting system is made of inner and outer ring drip tray, fresh water collection barrel and fresh water line, in gravity after fresh water output
Effect is lower to flow into fresh water collection barrel.Tank interior is connected with fresh water collection barrel by fresh water line, guarantees the two internal pressure one
It causes, keeps device work more stable.Such as Figure 11, when work, the seawater of mist spray encounters the heat absorption of heat radiation type flow-disturbing evaporator
Vaporization, steam rise, and contact with the integrated temperature-uniforming plate fin condenser of uninterrupted logical Mare Frigoris water, steam liquefies to the cold, condensation
At drop, inner and outer ring drip tray is dropped under gravity, is flow to fresh water collection barrel via fresh water line, is realized fresh water
It collects.
Preferably, the seawater desalination system further includes vacuum system, the vacuum system includes vacuum tank 12, described
Condenser 5, upper water tray 62, lower accepting water disk 61 and loop circuit heat pipe 2 condensation end 8 be arranged in vacuum system.
It should be noted that the dimensioning of fresh water collecting system diagram 17 is only optimal size.
Preferably, vacuum system includes vacuum keeping apparatus, device uses sealing structure, to maintain pressure inside device
Power is vacuumized using venturi principle, boiling point when device internal pressure being made to reduce to reduce evaporation of seawater.Venturi tube is put
It sets at seawer outlet, water consumption is larger, and a part enters for desalinating in tank body after treatment, and what is occupied the majority is another
Part is expelled directly out, and by Venturi tube during discharge, when using cold water flow, cross section reduces suddenly leads to flow velocity
The pressure difference for increasing and generating takes away the air in tank, maintains low-pressure state in tank body, as shown in Figure 9.A mouthfuls are liquid-inlets, C mouthfuls
Liquid outlet, D mouthfuls be connected at B, reduced cross-sectional area at B can be such that flow velocity at B increases, D mouthful pressure reductions, thus by air
Drain from D mouthfuls.Using from the seawater of discharge A mouthfuls are connect, D mouthfuls are connected with tank body, and C mouthfuls of drainings vacuumize vacuum tank to reach
Purpose.A mouthfuls are connected with condensation end wastewater outlet, and D mouthfuls are connected with fresh water collecting tank, by the discarded seawater after Venturi tube by C
The waste pipe of mouth connection is expelled directly out.D is connected with fresh water collecting tank, and fresh water collecting tank and 12 overall gas phase of vacuum tank
It is logical, air in device is taken out of, vacuum environment is maintained.
Preferably, the waste water in vacuum tank 12 after sea water desalination also passes through A mouthfuls of discharges.It to be formed very to be further formed
It is empty.
Preferably, designing circulated sprinkling system, repeatedly for using evaporator heat absorbed in seawater is not evaporated
Circulated sprinkling does not evaporate seawater to make full use of heat.As shown in Figure 10, the seawater desalination system further includes seawater circulation spray
Leaching system, the seawater circulation spray system are arranged in vacuum system, and the seawater circulation spray system includes circulated sprinkling
The top of condensation end 8 is arranged in pump, spray head 7 and circulation line, spray head 7；Circulated sprinkling is pumped the sea in vacuum system
Water is pumped into spray head 7, then arrives condensation end in spray.
Preferably, the spray head 7 connects return pipe.When work, is controlled carry out by the valve of seawater inlet and outlet first
Moisturizing is sprayed in tank 12, when the sea height in tank 12 reaches a timing, unlatching circulated sprinkling pump carries out circulated sprinkling, works as steaming
When effluent brine after hair reaches a certain concentration, circulated sprinkling pump stops working, and the wastewater outlet of tank body lower part is opened, strong brine warp
It is discharged by wastewater outlet, after discarded strong brine drains, valve is closed at wastewater outlet, carries out moisturizing and circulated sprinkling again.
By the way that spray structure is arranged, it can realize that seawater is maximum using evaporator heat absorbed in seawater is not evaporated
It is converted into fresh water in degree, realizes maximum utilizing status.
The spray head 7 is atomizer.
Preferably, concentration of seawater detection device is arranged in tank body, for detecting the concentration of seawater, controller is according to detection
Concentration of seawater automatically control row seawater.If the concentration of seawater of measurement is more than certain numerical value, controller control loop spray
Pump stops working, and the wastewater outlet of tank body lower part is opened, and strong brine is discharged via wastewater outlet.
Preferably, water-level detecting device is arranged in tank body, for detecting the height of water level in vacuum tank.When water level is lower than
When certain data, then controller control loop spray pump stops working, and moisturizing tube valve is opened, and carries out moisturizing.When water level reaches
When certain altitude, then moisturizing tube valve is closed, and circulated sprinkling pump is started to work.
Preferably, when height of water level is more than certain data, such as height of water level is excessively high, such as close spray head height
Degree, then circulated sprinkling pump stops working, and the wastewater outlet of tank body lower part is opened, and seawater is discharged via wastewater outlet.When water level reaches
When to certain altitude, then valve is closed at wastewater outlet, again circulated sprinkling.
Preferably, spray head 7 is ring-shaped circular tube structure, multiple spray heads are distributed on round tube.
By above-mentioned spray structure and its setting, intelligent operation can be realized, while improving the efficiency of sea water desalination.
Preferably, being preferably selected for evaporation seawater as shown in fig. 6, the loop circuit heat pipe is board-like CPL capillary pump
Horizontal pipe falling film evaporator (Fig. 8 structure) serves as condenser in board-like CPL capillary pump, and solar heat-collection plate is in board-like CPL capillary
Evaporator is served as in pump, the two is connected by capillary wick pipeline, liquid working substance absorbs heat in board-like CPL collection hot vaporizer
Evaporation is flowed using capillary power drive liquid working substance, and not needing outer bound pair, it provides additional motive power；Liquid working substance is flowed into, is inhaled
Heat, flash to steam, steam is then exhausted from, and so on complete circulation.
Preferably, as shown in fig. 7, the evaporation ends are plank frames, by the upper cover plate of carrying vapour conduit, liquid reflux
Bottom of chamber seat, wick layer and the composition such as liquid header and steam header.Upper cover plate is by metal outer wall 211 and steam conduit 212
Composition, liquid reflux bottom of chamber seat are made of base outer wall 215 and liquid channel 214, and wick layer 213 is located at upper cover plate and liquid
Between back cavity pedestal.Wick layer is placed in liquid reflux bottom of chamber seat top, and is compressed it by upper cover plate, so that liquid be returned
Chute road and steam conduit separate；Tetrafluoro spacer 216 and D05 are utilized between the upper cover plate and liquid reflux chamber of carrying vapour conduit
Sealant is sealed, and blending bolt is attached, to keep flat heat collecting evaporator detachable.
At least part liquid in liquid channel enters steam conduit by capillary wick.Evaporator absorbs heat when work
It measures, the liquid evaporation in steam conduit, the liquid medium inside liquid channel 214 also evaporates, and the gas after evaporation passes through capillary
Small Holes on core 213 diffuse to steam conduit 212, converge in steam collector 217, come condensation by evaporation circuit
End, steam radiates in condensation end to liquefy, and the medium after liquefaction is flowed back into inside liquid channel 214 by the capillary force of capillary wick,
A circulation is completed, realizes the transmitting of heat.Compared with traditional single phase heat exchange, heat transfer efficiency is can be improved in two-phase heat exchange, is reduced
Thermal losses in heat transfer process.
The solar thermal collector includes solar heat-collection plate, and the upper surface of the evaporation ends is attached in solar heat-collection plate
1 lower surface.
Preferably, the upper surface of the evaporation ends is exactly solar heat-collection plate 1.
Preferably, vapo(u)rization system is by board-like CPL capillary pump, solar heat-collection plate, electric hot plate and heat radiation type flow-disturbing
Evaporator is constituted, and specific structure is as shown in Figure 5.
Preferably, solar heat-collection plate and electric hot plate constitute collecting system, solar heat-collection plate is distributed in electric hot plate
The two sides of board-like CPL capillary pump, wherein electric hot plate is arranged in backlight side, and origin of heat is electric when necessary based on solar energy heating
Hot plate provides electricity auxiliary heating, and heat-conducting medium phase-change heat-exchange to heat radiation type flow-disturbing evaporator is placed on tank body in CPL capillary pump
Inside is to evaporate seawater.
Preferably, electric hot plate can be utilized only using solar heat-collection plate or only.When just with electric hot plate, electric heating
The top and/or lower part of the evaporation ends of loop circuit heat pipe is arranged in plate.
Preferably, as shown in figure 8, the condensation end 8 (i.e. sea water evaporator) is tube-sheet type heat exchange structure, including import
Collector 82, outlet header 86, import heat exchanger tube 83, outlet heat exchanger tube 85 and board group 84, the inlet header 82 connect import and change
Heat pipe 83, the import heat exchanger tube 83 connect corresponding board group 84, and the board group 84 is grouped together by two boards
Heat exchanger channels, the 84 connection outlet heat exchanger tube 85 of board group export 85 connection outlet collector 86 of heat exchanger tube, the steaming from evaporation ends
Vapour enters import heat exchanger tube 83 by inlet header 82, then enters board group 84 by import heat exchanger tube 83, then passes through board group
84 exchanged heat after enter back into outlet heat exchanger tube 85, be then discharged by outlet header 86.The import heat exchanger tube 83, outlet are changed
Heat pipe 85 and board group 84 are the main components of heat exchange, preferably, the inlet header 82 and outlet header 86 also assist in heat exchange.
The condensation end 8 is impregnated in the seawater or is exchanged heat by spray equipment by seawater spraying to condensation end.
The present invention provides a kind of new tube-sheet type heat exchange structures, are combined by tube-sheet type, can be further reduced resistance,
Expand heat dissipation area, improves radiating efficiency.Especially as the heat exchanger of sea water desalination spray effect, sea water desalination can be improved
Effect.
Preferably, the import heat exchanger tube 83 is more, the every corresponding board group 84 of import 83 pipes of heat exchange.It is described more
A board group is parallel structure spaced apart.Preferably, the outlet heat exchanger tube 85 is more, every outlet heat exchanger tube 85 is right
Answer a board group 84.
Preferably, board group is vertically to be distributed.Enable shower water and the conscientious abundant heat exchange of board group in this way.
Preferably, inlet header 82 and outlet header 86 are located at the same side of board group.
The import heat exchanger tube, outlet heat exchanger tube and board group are the main components of heat exchange, preferably, the inlet header
Heat exchange is also assisted in outlet header.The condensation end impregnates in the seawater or passes through spray equipment for seawater spraying to condensation end
It exchanges heat.
It is found in numerical simulation and test, the spacing between board group cannot be too small, too small to will lead to shower water flowing resistance
Power increases, and will lead to and can not be distributed to well on entire heat exchanger plates, and heat transfer effect is bad, while can not be too
Greatly, it will lead to very much shower water greatly and do not exchanged heat and just flow down, cause heat exchange short circuit, cause heat transfer effect bad, similarly, heat exchange
The circulation passage area of board group cannot be excessive, can not be too small, too small to cause heat exchange amount insufficient, much to cause heat exchange amount excessive；
The height of plate package can not be too large or too small, too large or too small all heat transfer effect to be caused bad.Import heat exchange
The circulation area of pipe and outlet heat exchanger tube is also corresponding with the internal circulation area of plate package, cannot be too large or too small, mistake
It is big or too small can all lead to the severe of heat transfer effect.The present invention passes through a large amount of numerical simulation and experimental study, finds optimal
Heat transfer effect optimal structural relation, guarantee making full use of for heat.
Spacing between adjacent board group is S1, and the length of board group is H1, and the circulation area of board group is V1, import heat exchanger tube and
The circulation area for exporting heat exchanger tube is identical, and the circulation area of import heat exchanger tube is V2, then meets following require:
(S1/H1) * 10=a+b*LN (V2/V1*10)；LN is logarithmic function,
Wherein a, b are parameter, 2.67 < a < 2.68；1.99<b<2；
Further preferably, a=2.674, b=1.996；
Wherein 0.099 < V2/V1 < 0.13；0.04<S1/H1<0.05；
It is opposite the distance between the wall surface of adjacent board group that spacing between adjacent board group, which is S1,.
The length of board group is the length that H1 is parallel to fluid flow direction in board group, referring to Fig. 8.
Further preferably, as the increase of V2/V1, a gradually increase, b is gradually increased.By so set, enabling to
The relational expression of optimization further increases heat transfer effect further to actual numerical simulation and experimental result.
Preferably, evaporator 8 is equidistantly parallel using 15 monolithic cooling fins in vapo(u)rization system (i.e. condensation end of heat pipe)
It places, is connected in parallel by collector, group is finally fixed by heat dissipation horse, structure is as shown in Figure 8.
Preferably, power device is arranged on condensation end of heat pipe to the pipeline of heat pipe evaporation ends (solar thermal collector), use
Fluid after the heat exchange of driving condensation end is transferred to evaporation ends and absorbs heat.
Further preferably, the power device is transfer tube.
Evaporator 8 is process by laser welding and Bulging Technology, and the U-shaped structure of fluid flow path, U-shaped in evaporator
Fine particle is distributed on path, to achieve the purpose that flow-disturbing, comes into full contact with evaporator inner wall with fluid heat-conducting medium, improves and passes
The thermal efficiency.
Inlet header 82 and outlet header 86 are separately connected steam inlet tube 81 and condensating water outlet tube 87.Preferably,
Constant-current stabilizer is set in steam (fluid) inlet tube 81 of inlet header, and the structure of the constant-current stabilizer 14 is as shown in Figure 12,13.
The constant-current stabilizer 14 is laminated structure, and the laminated structure is arranged on the cross section of steam inlet tube 81；The current stabilization dress
Set 14 be square with octagon structure composition, to form square through-hole 141 and octagon through-hole 142.Such as Fig. 1
The side length of the square through-hole 141 is equal to the side length of octagon through-hole 142, and four sides 143 of the square through-hole are divided
Be not the side 143 of four different octagon through-holes, positive eight deformation four of through-hole apart from one another by side 143 be four respectively
The side 143 of different square through-holes.
Two-phase flow and wild effect are universally present in heat-exchanger rig, such as in loop circuit heat pipe, because there are vapour
Liquid phase is driven to be flowed when identical.And two-phase fluid enters heat exchange equipment can generate water hammer caused by space enlargement, together
It is that can also deteriorate heat exchange because a large amount of generate.When the phase of two-phase working substance is without uniformly mixing and discontinuous flowing, greatly
The liquid group of size can occupy vapour group space at high speed, cause two-phase flow unstable, so that tempestuously impact device and pipeline, produces
Raw sharp pounding and noise, seriously threaten heat pipe equipment operational safety.
The present invention uses the constant-current stabilizer of Novel structure, and the constant-current stabilizer in loop circuit heat pipe has exactly been carried out field and has been turned
It moves, is applied to the inlet tube of loop circuit heat pipe evaporation ends.Because steam inlet tube 81 connects inlet header 82, so that vapour
Aqueous mixtures can generate water hammer caused by space enlargement when entering inlet header 82.The present invention is steady using Novel structure
Device is flowed, is had the advantages that
1) current stabilization of the Novel structure combined the present invention provides a kind of new-type square through-hole and octagon through-hole
Device, by square and octagon, so that the angle that the side of the square hole and octagon hole that are formed is formed all is big
In being equal to 90 degree, so that fluid can sufficiently flow through each position in each hole, the short of fluid flowing is avoided or reduced
Road.Two-phase fluid is separated into liquid and gas by the constant-current stabilizer of Novel structure by the present invention, and liquid phase is divided into small liquid group,
Gas phase is divided into minute bubbles, inhibits the reflux of liquid phase, promotes gas phase smooth outflow, plays the role of regime flow, has and subtracts
The effect of vibration noise reduction.Constant-current stabilizer in compared with the existing technology further increases steady flow result, and is simple to manufacture.
2) present invention is by being reasonably laid out, so that square and octagon through-hole are evenly distributed, so that whole
On rank street face on fluid segmentation uniformly, avoid the segmentation of ring structure in the prior art circumferentially and unevenly ask
Topic.
3) present invention is uniformly distributed by the interval of square hole and octagon through-hole, so that macropore and aperture exist
It is evenly distributed on whole cross section, and by the change in location of the macropore of adjacent constant-current stabilizer and aperture, so that separating effect
Fruit is more preferable.
4) present invention is laminated structure by setting constant-current stabilizer, so that constant-current stabilizer structure is simple, cost is reduced.
The present invention is because all cross-section locations by gas-liquid two-phase in all heat exchanger tubes are divided, thus entire
The segmentation of gas-liquid interface and gas phase boundary and the contact area of cooling wall are realized on heat exchange tube section and enhances disturbance, greatly
Big reduces noise and vibration, additionally it is possible to so that the fluid into inlet header 82 is sufficiently exchanged heat with seawater, enhance biography
Heat.
Preferably, the constant-current stabilizer includes two types, such as Figure 12, shown in 13, the first seed type is in square
Heart constant-current stabilizer, square are located at the center of steam inlet tube or condenser pipe, as shown in figure 13.Second is in octagon
Heart constant-current stabilizer, octagon are located at the center of steam inlet tube or condenser pipe, as shown in figure 12.Preferably as one, on
It states two kinds of constant-current stabilizer to be disposed adjacent, that is, the constant-current stabilizer type being disposed adjacent is different.I.e. with square center current stabilization
Device it is adjacent be octagon center constant-current stabilizer, adjacent with octagon center constant-current stabilizer is square center current stabilization
Device.The present invention is uniformly distributed by the interval of square hole and octagon hole, so that macropore and aperture are in whole cross
It is evenly distributed on section, and by the change in location of the macropore of adjacent constant-current stabilizer and aperture, so that the stream for passing through macropore
Body is followed by aperture, and by the fluid of aperture followed by macropore, further progress separates, and promotes the mixing of vapour-liquid,
So that it is more preferable to separate damping noise reduction effect.
Preferably, the cross section of the steam inlet tube 81 is square.
Preferably, along the direction that fluid flows, the caliber of steam inlet tube 81 constantly increases.Main cause is such as
Under: 1) pass through the caliber of increase steam inlet tube, it is possible to reduce the resistance of flowing, so that the steam of steam inlet in-tube evaporation
It is constantly moved towards the increased direction of caliber, to further promote circulating for loop circuit heat pipe.2) pass through steam inlet
The increase of the caliber of pipe, it is possible to reduce impact phenomenon caused by the increase of the volume of steam outlet.
Preferably, constantly increased amplitude is increasingly for the caliber of steam inlet tube 81 along the direction that fluid flows
Greatly.The amplitude variation of above-mentioned caliber is that the applicant obtains with numerical simulation through a large number of experiments as a result, by above-mentioned
Setting, can further promote circulating for loop circuit heat pipe, and it is integrally uniform to reach pressure, reduce impact phenomenon.
Preferably, the multiple constant-current stabilizers of setting in steam inlet tube 81, closer apart from inlet header 82, constant-current stabilizer it
Between spacing it is smaller.If the distance apart from inlet header 82 is H, the spacing between adjacent constant-current stabilizer is S, S=F1(H), i.e. S
It is using height H as the function of variable, S ' is the first order derivative of S, meet following require:
S'>0；
Main cause is because closer to inlet header 82, and vibration and its noise also can constantly increase, and is also increasingly needed
Further to alleviate vibration and noise.Therefore the distance between the adjacent constant-current stabilizer for needing to be arranged is shorter and shorter.
This section of inlet header is exported to from steam inlet tube, because the space of this section becomes larger suddenly, the variation in space
It will lead to quickly flowing upwards out and assemble for gas, therefore spatial variations will lead to the vapour phase (vapour group) of aggregation from steam inlet tube
Position enters condensation collector, and due to gas (vapour) liquid density contrast, air mass leaves adapter tube position and will move rapidly upward, and air mass is former empty
Between position the liquid of wall surface is pushed away by air mass while will also spring back and hit wall surface rapidly, formed impingement phenomenon.Gas (vapour) liquid phase
More discontinuous, air mass aggregation is bigger, and water hammer energy is bigger.Impingement phenomenon will cause biggish noise vibration and mechanical shock, right
Equipment damages.Therefore in order to avoid the generation of this phenomenon, the distance between adjacent constant-current stabilizer being arranged at this time is more next
It is shorter, to constantly separate gas phase and liquid phase in fluid delivery process, to reduce vibration and noise to the full extent.
It is found through experiments that, by above-mentioned setting, can both reduce vibration and noise to the full extent, while can mention
High heat transfer effect.
Further preferably, closer apart from inlet header 82, the shorter and shorter amplitude of the distance between adjacent constant-current stabilizer is not
It is disconnected to increase.That is S " is the second derivative of S, meets following require:
S"<0；
It is found through experiments that, by so set, 7% or so vibration and noise can be further decreased.
Preferably, the multiple constant-current stabilizers of setting, side length closer apart from inlet header 82, square in steam inlet tube
It is smaller and smaller.Apart from inlet header 82 apart from for H, square side length is C, C=F2(H), C ' is the first order derivative of C, is met
It is following to require:
C'>0；
Further preferably, closer apart from inlet header 82, the smaller and smaller amplitude of square side length constantly increases.C"
It is the second derivative of C, meets following require:
C”<0。
Specific reason changes referring to front constant-current stabilizer spacing.
Preferably, the distance between adjacent constant-current stabilizer remains unchanged.
Preferably, gap is arranged in the steam inlet inside pipe wall, the outer end of the constant-current stabilizer is arranged in gap.
Preferably, steam inlet tube is welded for multi-segment structure, constant-current stabilizer is arranged in the junction of multi-segment structure.
It is learnt by analyzing and testing, the spacing between constant-current stabilizer cannot be excessive, leads to damping noise reduction if excessive
Effect it is bad, while can not be too small, cause resistance excessive if too small, similarly, square side length can not it is excessive or
Person is too small, and the effect for also resulting in damping noise reduction is bad or resistance is excessive, therefore the present invention is through a large number of experiments, preferential
Meet normal flow resistance (total pressure-bearing be 2.5Mpa hereinafter, the on-way resistance of single steam inlet tube be less than or equal to
In the case where 5Pa/M), so that being optimal of damping noise reduction, has arranged the optimal relationship of parameters.
Preferably, the distance between adjacent constant-current stabilizer is S1, the side length of square through-hole is L1, and steam inlet tube is
Square section, the side length of steam inlet tube square section are L2, meet following require:
S1/L2=a* (L1/L2)2+b*(L1/L2)-c
Wherein a, b, c are parameters, wherein 39.8 < a < 40.1,9.19 <b < 9.21,0.43 < c < 0.44；
9<L2<58mm；
1.9<L1<3.4mm；
15<S1<31mm。
Further preferably, a=39.87, b=9.20.c=0.432
Further preferably, with the increase of L1/L2, a, b is increasing, and c is smaller and smaller.
Preferably, the side length L1 of square through-hole is the average value of side length and outer side length in square through-hole, steam enters
The side length L2 of mouth pipe square section is the average value of side length and outer side length in steam inlet tube.
Preferably, the outer side length of square through-hole is equal to the interior side length of steam inlet tube square section.
Preferably, with the increase of L2, L1 is also continuously increased.But with the increase of L2, the ever-increasing amplitude of L1
It is smaller and smaller.This rule variation is obtained by a large amount of numerical simulation and experiment, and the variation of above-mentioned rule, Neng Goujin are passed through
One step improves heat transfer effect, reduces noise.
Preferably, with the increase of L2, S1 constantly reduces.But with the increase of L2, the ever-reduced amplitude of S1 is got over
Come smaller.This rule variation is obtained by a large amount of numerical simulation and experiment, can be into one by the variation of above-mentioned rule
Step improves heat transfer effect, reduces noise.
For parameters such as other parameters, such as tube wall, shell wall thickness according to normal standard setting.
Preferably, hot tube fluid is water.
Preferably, the caliber of the steam inlet tube is greater than the caliber of return pipe.Mainly increase the resistance of return pipe,
The resistance of steam inlet tube is reduced, so that steam is easier from evaporation part flowing, loop circuit heat pipe preferably forms circulation.
Although the present invention has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology
Personnel can make various changes or modifications, therefore protection scope of the present invention is answered without departing from the spirit and scope of the present invention
When being defined by the scope defined by the claims..
Claims (2)
1. a kind of fresh water collecting system, the fresh water collecting system includes upper water tray and lower accepting water disk, the upper water tray position
In condenser, it is located at lower accepting water disk top, aperture among upper water tray, lower accepting water disk is located at hole lower part, opens by centre
Hole can guarantee that the fresh water through hole of condenser condensation enters lower accepting water disk；The end setting of upper water tray outermost end is upward to erect
Straight portion, what is be connected with vertical portion is the horizontal part to extend internally, and the upward rake extended inward along horizontal part；
Channel is arranged in the horizontal part, and fresh water is transported to fresh water collecting so that fresh water is flowed into lower accepting water disk or is directly connected to pipeline
Case；
The lower accepting water disk is located at the lower part of upper water tray aperture, and the lower accepting water disk includes being located at the lower accepting water disk outermost end
End upward vertical portion is set, what is be connected with vertical portion is the rake tilted down to extend internally, and is located at
The channel of heart position, the channel connect fresh water collecting case.
2. a kind of seawater desalination system, the system comprises vapo(u)rization system, condenser system and fresh water collecting system, seawater is evaporating
System is evaporated generation steam, and then steam, which condense in condenser system, becomes fresh water, and then fresh water passes through fresh water collecting
System is collected,
The fresh water collecting system is fresh water collecting system described in claim 1.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692861.3A CN111099678B (en) | 2018-10-29 | 2018-10-29 | Fresh water collection method for seawater desalination |
| CN201811267480.2A CN109292858B (en) | 2018-10-29 | 2018-10-29 | Fresh water collection system and seawater desalination system thereof |
| CN201910692862.8A CN111099679B (en) | 2018-10-29 | 2018-10-29 | Evaporator for seawater desalination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267480.2A CN109292858B (en) | 2018-10-29 | 2018-10-29 | Fresh water collection system and seawater desalination system thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910692862.8A Division CN111099679B (en) | 2018-10-29 | 2018-10-29 | Evaporator for seawater desalination |
| CN201910692861.3A Division CN111099678B (en) | 2018-10-29 | 2018-10-29 | Fresh water collection method for seawater desalination |
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| CN109292858B CN109292858B (en) | 2020-02-21 |
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| CN201910692861.3A Expired - Fee Related CN111099678B (en) | 2018-10-29 | 2018-10-29 | Fresh water collection method for seawater desalination |
| CN201811267480.2A Expired - Fee Related CN109292858B (en) | 2018-10-29 | 2018-10-29 | Fresh water collection system and seawater desalination system thereof |
| CN201910692862.8A Expired - Fee Related CN111099679B (en) | 2018-10-29 | 2018-10-29 | Evaporator for seawater desalination |
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| CN113401965A (en) * | 2021-06-08 | 2021-09-17 | 孔令斌 | Flip formula solar energy sea water desalination device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113251827B (en) * | 2021-04-09 | 2022-04-12 | 浙江态能动力技术有限公司 | Built-in supercritical carbon dioxide large-temperature-difference mixer and control and regulation method |
| CN113280649B (en) * | 2021-04-09 | 2022-04-12 | 浙江态能动力技术有限公司 | External supercritical carbon dioxide large-temperature-difference mixer and control and regulation method |
| TWI809591B (en) * | 2021-12-08 | 2023-07-21 | 四季洋圃生物機電股份有限公司 | Sea and fresh water separation device |
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| US6428656B1 (en) * | 1999-02-18 | 2002-08-06 | Psi-Ets, A North Dakota Partnership | Water-cooled distilling apparatus |
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| DE3106822C2 (en) * | 1981-02-24 | 1982-12-23 | Hans 7614 Gengenbach Schneekloth | Distribution pipe |
| CN1171799C (en) * | 2002-08-09 | 2004-10-20 | 周堃 | Multi-effect distilling process and equipment for desalinating seawater |
| CN101205087A (en) * | 2007-12-14 | 2008-06-25 | 烟台双嘉电子科技有限公司 | Highly effective sea-water brackish water distillatory using renewable energy |
| CN103073141B (en) * | 2013-01-10 | 2014-08-20 | 中国电子工程设计院 | Low-temperature multi-effect distilled seawater desalination system with variable effect groups |
| CN104591327B (en) * | 2014-09-19 | 2018-06-15 | 集美大学 | Loop heat pipe formula cylinder type solar energy sea water desalination apparatus |
| CN106949450B (en) * | 2017-04-18 | 2018-11-16 | 青岛金玉大商贸有限公司 | A kind of three drum steam boilers |
| CN106949449B (en) * | 2017-04-21 | 2018-05-18 | 中北大学 | A kind of steam boiler |
| CN107096246A (en) * | 2017-04-26 | 2017-08-29 | 南京艾普太阳能设备有限公司 | The distillating method and device of desalinization under normal pressure |
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- 2018-10-29 CN CN201910692861.3A patent/CN111099678B/en not_active Expired - Fee Related
- 2018-10-29 CN CN201811267480.2A patent/CN109292858B/en not_active Expired - Fee Related
- 2018-10-29 CN CN201910692862.8A patent/CN111099679B/en not_active Expired - Fee Related
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| WO1995024956A1 (en) * | 1994-03-15 | 1995-09-21 | Joel Bleth | Distillation apparatus |
| US6428656B1 (en) * | 1999-02-18 | 2002-08-06 | Psi-Ets, A North Dakota Partnership | Water-cooled distilling apparatus |
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| CN113401965A (en) * | 2021-06-08 | 2021-09-17 | 孔令斌 | Flip formula solar energy sea water desalination device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111099679B (en) | 2021-08-20 |
| CN109292858B (en) | 2020-02-21 |
| CN111099678B (en) | 2021-08-20 |
| CN111099679A (en) | 2020-05-05 |
| CN111099678A (en) | 2020-05-05 |
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