CN109437353A - Single-action desalination plant - Google Patents

Single-action desalination plant Download PDF

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Publication number
CN109437353A
CN109437353A CN201811541226.7A CN201811541226A CN109437353A CN 109437353 A CN109437353 A CN 109437353A CN 201811541226 A CN201811541226 A CN 201811541226A CN 109437353 A CN109437353 A CN 109437353A
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CN
China
Prior art keywords
evaporation
seawater
shell
sea water
liquid film
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CN201811541226.7A
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Chinese (zh)
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CN109437353B (en
Inventor
曾力丁
于凤涛
贺兰海
于有良
张传坤
轩福贞
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HAIHUI GROUP CO Ltd
East China University of Science and Technology
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HAIHUI GROUP CO Ltd
East China University of Science and Technology
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Priority to CN201811541226.7A priority Critical patent/CN109437353B/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/043Details
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/08Thin film evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for desalination
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention discloses a kind of single-action desalination plant, including evaporation shell, the lower part of the evaporation shell is connected with heated shell, is filled with evaporation heat transfer medium and heat source generator in the heated shell;The evaporation plate of several hollow settings is equipped in the evaporation shell, the lower port of the evaporation plate is connected to the closed setting in inner cavity and top of the heated shell, several evaporation plate piece upper ends are equipped with falling liquid film liquid distributor, the evaporation body tube is connected with fresh water condenser, air-flow blower is equipped between the evaporation shell and the fresh water condenser, the falling liquid film liquid distributor pipeline is connected with sea water tank;The entire Steaming structure of the present invention is arranged up and down, compact-sized, eliminates the use of negative pressure pump, and energy requirements are small, and evaporation is mainly liquid film heat exchange and distinguished and admirable facilitation, is not likely to produce droplet, and desalination water quality is more preferable, is particularly suitable for small-sized sea water desalination occasion.

Description

Single-action desalination plant
Technical field
The present invention relates to a kind of desalination plant more particularly to a kind of single-action desalination plants.
Background technique
Sea water desalination is a kind of important important method for solving shortage of water resources and fresh water is obtained under freestanding environment.It presses Separation method is different, and mainstream desalination process can be divided into embrane method and thermal method at present, when with low-grade exhaust heat cheap and easy to get When source, thermal method has more advantage, thus is widely used in fields such as chemical industry, thermoelectricity, navigations.According to heat source utilization side The difference of formula, thermal method can be divided into single effect evaporation and multiple-effect evaporation etc. again.
Compared with single effect evaporation, multiple-effect evaporation has the advantages that utilization efficiency of heat energy is high, specific energy consumption is low, but complex process, Process is longer, and required mating power facility is more, is unfavorable in small sized applications application.It is thus light in the small-sized seawater of power shortage Change occasion, mostly uses single effect distillation technique.
Single effect distillation device mostly uses cryogenic vacuum explosive evaporation technique at present, and seawater is made to carry out vacuum boiling in evaporator Evaporation is risen, the liquid foam that the steam of generation is carried secretly by demister separating most is evaporated, is condensed in condenser and generates fresh water, part Steam and on-condensible gas pass through vacuum pump discharge system.Single-effect evaporating equipment structure is simple, high reliablity, but simultaneously there is also with Lower problem: one, the more liquid foam of the entrainment with steam of explosive evaporation, salinity is higher in liquid foam, is inevitably brought into condenser In, influence fresh water water quality;Two, negative pressure is maintained by vacuum pump, more power need to be consumed, it is higher especially for cost of electricity-generating For the occasions such as small-scale fishing vessel, unit cost is excessively high.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of compact-sized, energy consumption is lower, and desalination water quality is more preferable, especially Single-action desalination plant suitable for small-sized sea water desalination occasion.
In order to solve the above technical problems, the technical scheme is that single-action desalination plant, including evaporation shell, The lower part of the evaporation shell is connected with heated shell, and the interior of the heated shell intracavitary is filled with evaporation heat transfer medium and submergence Heat source generator in the evaporation heat transfer medium;The evaporation plate of several hollow settings, institute are equipped in the evaporation shell The lower port for stating evaporation plate is connected to the closed setting in inner cavity and top of the heated shell, is located in the evaporation shell several Evaporation plate piece upper end is equipped with falling liquid film liquid distributor, and the evaporation body tube is connected with fresh water condenser, the evaporation shell Air-flow blower is equipped between the fresh water condenser, the falling liquid film liquid distributor pipeline is connected with sea water tank.
The fresh water condenser includes condensation shell as a preferred technical solution, runs through on the condensation shell and is equipped with Several condenser pipes, fixing seal is equipped with seawater feed liquor end socket on the condensation shell of several described condenser pipe one end, Fixing seal is equipped with seawater and goes out fluid-tight head on the condensation shell of several condenser pipe other ends;The condensation shell One end of body connects the air-flow blower, is connected with circulated air between the other end and the evaporation shell of the condensation shell Road, the condensation shell are equipped with water outlet.
The liquid outlet pipeline that the seawater goes out fluid-tight head as a preferred technical solution, connects the sea water tank.
The sea water tank includes cabinet as a preferred technical solution, is separated in the cabinet by deep or light seawater partition For fresh seawater room and high concentration seawater room, the lower part of the deep or light seawater partition, which is equipped with, is connected to the fresh seawater room and described The seawater communication port of high concentration seawater room, the fresh seawater room are equipped with fresh seawater entrance, high concentration seawater room position It is equipped with concentrated seawater refluxing opening and concentrated seawater overflow port in seawater communication port top, the concentrated seawater refluxing opening pipeline connects institute State the bottom of evaporation shell.
Sea water circulating pump is equipped between the falling liquid film liquid distributor and the sea water tank as a preferred technical solution, it is described The water inlet of sea water circulating pump connects the sea water tank, and the water outlet of the sea water circulating pump connects the falling liquid film liquid distributor.
The water outlet of the sea water circulating pump is also connected with the sea water tank as a preferred technical solution, and the seawater follows Seawater circulation adjustable valve is equipped between the water outlet and the sea water tank of ring pump.
The heat source generator includes the low-temperature heat source hair through heated shell setting as a preferred technical solution, Generating apparatus.
By adopting the above-described technical solution, single-action desalination plant, including shell is evaporated, under the evaporation shell Portion is connected with heated shell, and the interior of the heated shell intracavitary filled with evaporation heat transfer medium and be immersed in the evaporation heat transfer and be situated between Heat source generator in matter;The evaporation plate of several hollow settings, the lower end of the evaporation plate are equipped in the evaporation shell Mouth is connected to the closed setting in inner cavity and top of the heated shell, is located at several evaporation plate piece upper ends in the evaporation shell Equipped with falling liquid film liquid distributor, the evaporation body tube is connected with fresh water condenser, the evaporation shell and the fresh water condenser Between be equipped with air-flow blower, the falling liquid film liquid distributor pipeline is connected with sea water tank;The present invention utilizes the heat source generator by institute State the heating of evaporation heat transfer medium, the entirety of heating upwards heats the evaporation plate, conduct heat condensed drop along The inner wall of the evaporation plate flows back to, and reuses;Evaporate plate outer wall on by the falling liquid film liquid distributor by seawater cloth at liquid Film increases evaporation surface, in the case where not boiling, promotes to evaporate by high wind, and steam enters cooling shape after fresh water condenser At fresh water;The entire Steaming structure of the present invention is arranged up and down, compact-sized, eliminates the use of negative pressure pump, and energy requirements are small, evaporation Predominantly liquid film heat exchange and distinguished and admirable facilitation are not likely to produce droplet, and desalination water quality is more preferable, is particularly suitable for small-sized seawater Desalinate occasion.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.
Wherein:
Fig. 1 is the schematic perspective view of the embodiment of the present invention, illustrates mathematical models direction in figure with hollow arrow, with Filled arrows illustrate seawater flow direction, for convenience of whole signal, evaporation shell are not shown in the figure and condenses the part knot of shell Structure;
Fig. 2 is the entirety perspective view of evaporation shell and fresh water condenser of the embodiment of the present invention, with solid in figure Arrow illustrates mathematical models direction;
Fig. 3 is the internal structure schematic diagram of evaporation shell and heated shell of the embodiment of the present invention, is shown in figure with filled arrows Meaning mathematical models direction;
Fig. 4 is the internal structure schematic diagram of sea water tank of the embodiment of the present invention, illustrates seawater flowing side in figure with filled arrows To;
Fig. 5 is the structural schematic diagram of falling liquid film liquid distributor of the embodiment of the present invention;
Fig. 6 is the A-A structure scaling schematic diagram of Fig. 5.
In figure: 1- evaporates shell;2- heated shell;21- evaporation heat transfer medium;22- evaporates plate;23- low-temperature heat source hair Generating apparatus;3- falling liquid film liquid distributor;31- falling liquid film cloth liquid case;32- liquid reducing hole;4- air-flow blower;41- fan shroud;The condensation of 5- fresh water Device;51- seawater feed liquor end socket;52- condenses shell;53- seawater goes out fluid-tight head;54- circulation air path;55- water outlet;56- is cold Solidifying pipe;6- sea water tank;The deep or light seawater partition of 61-;62- fresh seawater room;63- fresh seawater entrance;64- high concentration seawater room; 65- concentrated seawater refluxing opening;66- concentrated seawater overflow port;67- seawater communication port;7- sea water circulating pump;71- seawater circulation amount is adjusted Valve.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation Mode describes exemplary embodiment of the invention.Undoubtedly, those skilled in the art will recognize, not inclined In the case where from the spirit and scope of the present invention, the described embodiments may be modified in various different ways.Cause This, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
As Fig. 1 to Fig. 6 jointly shown in, single-action desalination plant, including evaporation shell 1, it is described evaporation shell 1 lower part It is connected with heated shell 2, the interior of the heated shell 2 intracavitary filled with evaporation heat transfer medium 21 and is immersed in the evaporation heat transfer Heat source generator in medium 21, the evaporation heat transfer medium 21 can be water, seawater etc..The heat source generator includes running through The low-temperature heat source generating device 23 that the heated shell 2 is arranged, the low-temperature heat source generating device 23 can be cold using diesel engine But the low-grade heat sources such as water route, diesel exhaust, solar thermal collector, so that the present embodiment is easier in small-sized sea water desalination occasion Using.
The evaporation plate 22 of several hollow settings is equipped in the evaporation shell 1, the lower port of the evaporation plate 22 connects Lead to the closed setting in the inner cavity of the heated shell 2 and top, is located at several 22 upper ends of evaporation plate in the evaporation shell 1 Equipped with falling liquid film liquid distributor 3, the evaporation heat transfer medium 21 evaporation after heated forms heat transfer steam, and heat transfer steam is up to institute It states in evaporation plate 22, heat transfer gives the evaporation plate 22, while heat transfer steam condenses to the interior of the evaporation plate 22 On wall, by being flowed back in the heated shell 2 certainly, repetitive cycling is used.
The falling liquid film liquid distributor 3 includes the falling liquid film cloth liquid case that fixing seal is sleeved on several evaporation 22 tops of plate 31, the falling liquid film cloth liquid case 31 is uniformly provided with several vertically arranged liquid reducing holes on the side that plate 22 contacts with described evaporate 32.The suit of fixing seal described in the present embodiment is to offer in the falling liquid film cloth liquid case 31 and 22 cross section of evaporation plate The falling liquid film cloth liquid case 31 is directly inserted in downwards from several 22 upper ends of evaporation plate, the drop by the corresponding opening of shape Film cloth liquid case 31 and the evaporation plate 22 realize sealing naturally, and the inner cavity of certain falling liquid film cloth liquid case 31 should be several described It is interconnected between evaporation plate 22 and forms cloth water chamber, the falling liquid film cloth liquid case 31 is equipped with to this cloth water chamber entering for seawater Mouthful.The falling liquid film cloth liquid case 31 can be fixed on the evaporation plate 22 by bolt or screw, this is those skilled in the art Known to member, details are not described herein and is being not shown in the figure.The liquid reducing hole 32 can be fed into the falling liquid film cloth liquid case 31 Interior seawater is freely landed by seawater, is arranged on the side of the evaporation plate 22, under surface tension of liquid effect, The seawater that the adjacent liquid reducing hole 32 is fallen can it is described evaporation plate 22 outer wall on Uniform Flow, form uniform liquid film. Above structure can avoid generating tiny drop in falling liquid film process, thus prevents distinguished and admirable generation droplet, further increases seawater Fading effect.The structure of falling liquid film liquid distributor 3 described in certain the present embodiment is without being limited thereto, it is any can on the evaporation plate 22 shape At liquid film and it is not likely to produce the structure of fine drop, can be used herein.
1 pipeline of evaporation shell is connected with fresh water condenser 5, between the evaporation shell 1 and the fresh water condenser 5 It equipped with air-flow blower 4, is generated by air-flow blower 4 distinguished and admirable, so that the liquid film on the evaporation plate 22 is accelerated evaporation, and simultaneously will The water vapour of generation is sent into the fresh water condenser 5 and carries out condensation use.
The fresh water condenser 5 includes condensation shell 52, runs through on the condensation shell 52 and is equipped with several condenser pipes 56, position Seawater feed liquor end socket 51 is installed in fixing seal on the condensation shell 52 of several described 56 one end of condenser pipe, is located at several Fixing seal is equipped with seawater and goes out fluid-tight head 53 on the condensation shell 52 of 56 other end of condenser pipe.The condensation shell 52 one end connects the air-flow blower 4, is connected with circulation between the other end and the evaporation shell 1 of the condensation shell 52 Air duct 54, the condensation shell 52 are equipped with water outlet 55.Several condenser pipes 56 of the present embodiment are vertically arranged, described light Water condenser 5 is mounted side by side on 1 side of evaporation shell, as shown in Fig. 2, the seawater feed liquor end socket 51 is located at the condensation 52 lower part of shell, the seawater go out fluid-tight head 53 and are located at 52 top of condensation shell, the upper end connection of the condensation shell 52 The air-flow blower 4, lower end connect the evaporation shell 1 by the circulation air path 54.The seawater goes out going out for fluid-tight head 53 Liquid mouth pipeline connects the sea water tank 6.It is condensed described in the present embodiment between the upper end of shell 52 and the upper end of the evaporation shell 1 Pipeline is connected with fan shroud 41, and the air-flow blower 4 is mounted in the fan shroud 41, easy to accomplish can prevent gas leakage in this way Effect;The preferred water-proof fan of the air-flow blower 4, water-proof fan are known common technology, and details are not described herein.
3 pipeline of falling liquid film liquid distributor is connected with sea water tank 6, seawater of the storage for evaporation in the sea water tank 6.This reality It applies and is equipped with sea water circulating pump 7 between the example falling liquid film liquid distributor 3 and the sea water tank 6, the water inlet of the sea water circulating pump 7 connects The sea water tank 6 is connect, the water outlet of the sea water circulating pump 7 connects the falling liquid film liquid distributor 3, and the further seawater follows The water outlet of ring pump 7 connects the sea water supply entrance of the falling liquid film cloth liquid case 31;By the effect of the sea water circulating pump 7, make Seawater can be stably supplied to the falling liquid film liquid distributor 3 out of described sea water tank 6 by obtaining.Sea water tank 6 described in certain the present embodiment The mountable top in the falling liquid film liquid distributor 3, is self-possessed by seawater, flows freely into the falling liquid film liquid distributor 3.The present embodiment institute The water outlet for stating sea water circulating pump 7 is also connected with the sea water tank 6, the water outlet of the sea water circulating pump 7 and the sea water tank 6 it Between be equipped with seawater circulation adjustable valve 71, i.e., the outlet pipeline of the described sea water circulating pump 7 is divided into two, and one is supplied to the drop Film liquid distributor 3, another flows back into the sea water tank 6, according to the principle that 7 supply flow rate of sea water circulating pump is fixed, works as tune When saving the seawater circulation adjustable valve 71, the seawater of the sea water tank 6 of reflux increases and decreases, and is supplied to the falling liquid film in this way The seawater of liquid distributor 3 can accordingly subtract increasing, adjust the seawater amount being supplied in the falling liquid film liquid distributor 3 with this.
The sea water tank 6 includes cabinet, and the cabinet is interior to be divided into 62 He of fresh seawater room by deep or light seawater partition 61 Low high concentration seawater room 64, the lower part of the deep or light seawater partition 61, which is equipped with, is connected to the fresh seawater room 62 and described low highly concentrated The seawater communication port 67 of seawater room 64 is spent, the fresh seawater room 62 is equipped with fresh seawater entrance 63, sea described in the present embodiment The liquid outlet pipeline that water goes out fluid-tight head 53 connects the fresh seawater entrance 63, can will pass through at the fresh water condenser 5 in this way The seawater for crossing heat exchange preheating carries out storage utilization, the initial temperature of the liquid film on the evaporation plate 22 can be improved, more conducively fastly Speed evaporation.Certain the present embodiment can also separately connect preheating seawater discharge pipe all the way in the liquid outlet that the seawater goes out fluid-tight head 53, When can not store more pre- hot sea waters in the sea water tank 6, preheated seawater is directly released, the seawater goes out fluid-tight head Phase should be all installed on pipeline between 53 liquid outlet and the fresh seawater entrance 63 and on the preheating seawater discharge pipe The control valve answered is to control corresponding flow or switch, this is known common technology, and details are not described herein.
The low high concentration seawater room 64 is located at 67 top of seawater communication port equipped with concentrated seawater refluxing opening 65 and dense sea Water overflow port 66,65 pipeline of concentrated seawater refluxing opening connect the bottom of the evaporation shell 1, the bottom of the evaporation shell 1 In the presence of the high concentration seawater being concentrated after evaporating, this part high concentration seawater is the highest Marine water of temperature in the present embodiment, By this part, high concentration seawater leads back to the sea water tank 6, can play temperature rise effect to the seawater in the sea water tank 6, further Promote subsequent liquid film evaporation.Concentrated seawater overflow port 66 described in the present embodiment is arranged higher than the concentrated seawater refluxing opening 65, described Deep or light seawater partition 61 can temporarily separate the high concentration seawater of reflux in the low high concentration seawater room 64, and high concentration seawater exists Under law of connected vessels and thermal convection effect, partial heat can be passed to the fresh seawater positioned at the fresh seawater room 62, and Fresh seawater and the concentrated seawater refluxing opening 65 constantly reflux high concentration seawater are constantly poured in the fresh seawater entrance 63 Driving under, high concentration seawater is preferentially overflowed from the concentrated seawater overflow port 66, can reach utilize part of waste heat and will not in this way The effect of concentration of seawater in the sea water tank 6 is significantly improved, can complement each other, improve light with the evaporation in the evaporation shell 1 The quality of water.
All pipelines of the present embodiment are connected as realizing the technology of gas-liquid sealing conveying by pipeline, belong to this field skill The prior art known to art personnel, details are not described herein.
The working principle of the present embodiment are as follows: the low-temperature heat source generating device 23 provides heat and heats the evaporation heat transfer Medium 21, the evaporation heat transfer medium 21 are arrived at the evaporation plate 22 by thermal evaporation and upwards and are exchanged heat, after heat transfer steam heat exchange It liquefies and the utilization that flows back, the falling liquid film liquid distributor 3 forms liquid film on 22 outer wall of evaporation plate, the evaporation plate 22 is made For middle heat transfer structure, transferring heat to liquid film makes liquid film heat up, but boiling point is not achieved, and does not have to worry boiling sea water;It is described Air-flow blower 4 generates air-flow and improves sea according to liquid evaporation three elements it is found that embodiment improves the surface area of seawater The temperature of water improves the superficial air flowing speed of seawater, so liquid film slowly declines on 22 outer wall of evaporation plate During, internal moisture meeting rapid evaporation, the liquid film for evaporating moisture pools high temperature in the bottom of the evaporation shell 1 High concentration seawater;The water vapour generated in the evaporation shell 1 enters the condensation shell 52, utilizes in the condensation shell 52 Heat exchange condensation is realized by low temperature seawater in condenser pipe 56, part water vapour forms fresh water after being condensed, from the water outlet 55 discharges utilize, and the water vapour that part condenses not in time returns to 1 repetitive cycling of evaporation shell from the circulation air path 54;It is low Warm seawater temperature after heat exchange increases, and goes out fluid-tight head 53 through the seawater, the fresh seawater entrance 63 enters the sea water tank 6, the falling liquid film liquid distributor 3 is then sent by the sea water circulating pump 7;The high concentration seawater of the evaporation 1 bottom high temperature of shell It is sent back to the low high concentration seawater room 64 in the sea water tank 6, is discharged after carrying out the utilization of heat part.
The present embodiment can utilize low-grade heat source, be used as medium by the evaporation heat transfer medium 21, add to seawater Heat, heating is mild, and seawater will not boil, and can avoid droplet and generates, improves fresh water quality.3 benefit of falling liquid film liquid distributor Land into liquid film automatically with seawater, do not generate small water droplet, be further reduced droplet generation, is provided again to improve fresh water quality It ensures.Coolant liquid of the seawater as condensed steam, own temperature improves while cooling fresh water, improves heat energy utilization Rate, the seawater that temperature improves are remarkably improved initial temperature when forming liquid film on the evaporation plate 22, further promote to steam Send out efficiency.The high concentration seawater of high temperature also can return to the sea water tank 6 and carry out the utilization of thermal energy part, more improve heat energy utilization Rate.The present embodiment heat source simply easily takes, and current consuming apparatus is mainly the air-flow blower 4 and the sea water circulating pump 7, energy consumption compared with Low, each component is all linked with one another, compact-sized.The present embodiment is using diesel engine jacket-cooling water as heat source, and seawater is as evaporation Medium, experiment data measured are as follows:
By experimental data as it can be seen that the present embodiment with low-temperature waste heat be evaporation heat source, carry out normal pressure under unsaturation evaporation, it is cold It is solidifying, fresh water is produced, fresh water water quality can reach distilled water rank, and power consumption is about 7kWh/ tons of fresh water, have very wide answer Use prospect.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (7)

1. single-action desalination plant, including evaporation shell, it is characterised in that: the lower part of the evaporation shell is connected with heating shell Body, the interior of the heated shell intracavitary occur filled with evaporation heat transfer medium and the heat source that is immersed in the evaporation heat transfer medium Device;The evaporation plate of several hollow settings is equipped in the evaporation shell, the lower port of the evaporation plate is connected to the heating The closed setting in inner cavity and top of shell, the evaporation shell is interior to be located at several evaporation plate piece upper ends equipped with falling liquid film cloth liquid Device, the evaporation body tube are connected with fresh water condenser, and air-flow is equipped between the evaporation shell and the fresh water condenser Blower, the falling liquid film liquid distributor pipeline are connected with sea water tank.
2. single-action desalination plant as described in claim 1, it is characterised in that: the fresh water condenser includes condensation shell Body, it is solid on the condensation shell of several described condenser pipe one end through being equipped with several condenser pipes on the condensation shell Surely it is sealed and installed with seawater feed liquor end socket, fixing seal is installed on the condensation shell of several condenser pipe other ends There is seawater to go out fluid-tight head;One end of the condensation shell connects the air-flow blower, the other end of the condensation shell with it is described Circulation air path is connected between evaporation shell, the condensation shell is equipped with water outlet.
3. single-action desalination plant as claimed in claim 2, it is characterised in that: the seawater goes out the liquid outlet pipe of fluid-tight head Road connects the sea water tank.
4. single-action desalination plant as described in claim 1, it is characterised in that: the sea water tank includes cabinet, the case Fresh seawater room and high concentration seawater room are divided by deep or light seawater partition in vivo, the lower part of the deep or light seawater partition is equipped with It is connected to the seawater communication port of the fresh seawater room and high concentration seawater room, the fresh seawater room is equipped with fresh seawater Entrance, high concentration seawater room are located at seawater communication port top equipped with concentrated seawater refluxing opening and concentrated seawater overflow port, institute State the bottom that concentrated seawater refluxing opening pipeline connects the evaporation shell.
5. single-action desalination plant as described in claim 1, it is characterised in that: the falling liquid film liquid distributor and the sea water tank Between be equipped with sea water circulating pump, the water inlet of the sea water circulating pump connects the sea water tank, the water outlet of the sea water circulating pump Mouth connects the falling liquid film liquid distributor.
6. single-action desalination plant as claimed in claim 5, it is characterised in that: the water outlet of the sea water circulating pump also connects The sea water tank is connect, seawater circulation adjustable valve is equipped between the water outlet of the sea water circulating pump and the sea water tank.
7. the single-action desalination plant as described in claim 1 to 6 any claim, it is characterised in that: the heat source hair Raw device includes the low-temperature heat source generating device through heated shell setting.
CN201811541226.7A 2018-12-17 2018-12-17 Single-effect sea water desalination device Active CN109437353B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113562799A (en) * 2021-04-19 2021-10-29 广东顺德中午电器制造有限公司 Distilled water extraction device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103253722A (en) * 2013-06-07 2013-08-21 浙江大学 Plate type low-temperature multieffect seawater desalting device and method
JP2013166141A (en) * 2012-01-16 2013-08-29 Sasakura Engineering Co Ltd Vacuum evaporation type fresh water generator
CN105174343A (en) * 2015-09-15 2015-12-23 广州中国科学院先进技术研究所 Small-size device and method for seawater desalination by using diesel engine waste heat
CN205035108U (en) * 2015-09-23 2016-02-17 西华大学 A light water condenser for sea water desalination device
CN206156788U (en) * 2016-10-19 2017-05-10 轩辕眉黛 Miniature sea water desalination device based on waste heat utilization
CN209276190U (en) * 2018-12-17 2019-08-20 海汇集团有限公司 Single-action desalination plant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013166141A (en) * 2012-01-16 2013-08-29 Sasakura Engineering Co Ltd Vacuum evaporation type fresh water generator
CN103253722A (en) * 2013-06-07 2013-08-21 浙江大学 Plate type low-temperature multieffect seawater desalting device and method
CN105174343A (en) * 2015-09-15 2015-12-23 广州中国科学院先进技术研究所 Small-size device and method for seawater desalination by using diesel engine waste heat
CN205035108U (en) * 2015-09-23 2016-02-17 西华大学 A light water condenser for sea water desalination device
CN206156788U (en) * 2016-10-19 2017-05-10 轩辕眉黛 Miniature sea water desalination device based on waste heat utilization
CN209276190U (en) * 2018-12-17 2019-08-20 海汇集团有限公司 Single-action desalination plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113562799A (en) * 2021-04-19 2021-10-29 广东顺德中午电器制造有限公司 Distilled water extraction device

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