CN105776388A - Lens water trough type fresh water support ship capable of desalting sea water - Google Patents
Lens water trough type fresh water support ship capable of desalting sea water Download PDFInfo
- Publication number
- CN105776388A CN105776388A CN201610145904.2A CN201610145904A CN105776388A CN 105776388 A CN105776388 A CN 105776388A CN 201610145904 A CN201610145904 A CN 201610145904A CN 105776388 A CN105776388 A CN 105776388A
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- China
- Prior art keywords
- water
- lens
- tank
- fixed
- vacuum heat
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Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J1/00—Arrangements of installations for producing fresh water, e.g. by evaporation and condensation of sea water
-
- 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
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Ocean & Marine Engineering (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a lens water trough type fresh water support ship capable of desalting sea water. The fresh water support ship comprises a hull, wherein a hull deck is fixed to the middle of the hull; a placing cavity is formed between the hull deck and a bottom plate of the hull; a fresh water tank is fixed to the placing cavity; a desalting tank is fixed to the middle on the top surface of the hull deck; a left semicircular lens water trough, a left solar energy vacuum heat collecting pipe and a left water pump are fixed to the hull deck on the left side of the fresh water tank; a right semicircular lens water trough, a right solar energy vacuum heat collecting pipe and a right water pump are fixed to the hull deck on the right side of the fresh water tank; a water inlet pipe arranged on the left solar energy vacuum heat collecting pipe is fixed to the focal point in the middle of the left semicircular lens water trough and is communicated with the left semicircular lens water trough; the left solar energy vacuum heat collecting pipe is positioned under the left semicircular lens water trough. The fresh water support ship disclosed by the invention can be fixed to other ships to move along with the ships or can be arranged on a water area of an island, and is a large-scale sea water desalting device; the fresh water support ship can automatically enable sea water to enter and desalt entered sea water, can automatically discharge strong brine, and can automatically generate electricity to provide electric energy.
Description
Technical field:
The present invention relates to technical field of sea water desalination equipment, ensure ship more specifically to a kind of lens water tank type desalinization fresh water.
Background technology:
There is a lot of island in China, away from continent, owing to area is little, not having fresh water, fresh water to be that people lives requisite, carrying out desalinization is most effectual way, now with a lot of solar energy sea water desalination apparatus, floor space is big, particularly island, land is limited, and sea is unrestricted, a lot of transport by sea of China, ocean fleet at sea to transport, patrol on the sea some months, returns continent fresh water supplementary cost high, time is long, and ship is extremely important to have real-time fresh water to ensure.
Summary of the invention:
It is an object of the invention to overcome the deficiencies in the prior art, a kind of lens water tank type desalinization fresh water is provided to ensure ship, it can be fixed on other boats and ships and follow boats and ships move or be arranged on waters, island, it it is a kind of large-scale sea water desalinating unit, automatic feeding water is desalinated, automatic-discharging strong brine, and electric energy can be provided by automatic generation.
This invention address that the scheme of described technical problem is:
nullA kind of lens water tank type desalinization fresh water ensures ship,Including hull,Described hull be fixedly arranged in the middle of deck in ship structure,There is between deck in ship structure and the base plate of hull placed cavity,Placed cavity is fixed with fresh-water tank,The end face of deck in ship structure is fixedly arranged in the middle of desalination case,The deck in ship structure in the left side of fresh-water tank is fixed with left semicircle shape lens tank、Left solar vacuum heat-collecting pipe and left water pump,The deck in ship structure on the right side of fresh-water tank is fixed with right semicircular lens tank、Right solar vacuum heat-collecting pipe and right water pump,The water inlet pipe that left solar vacuum heat-collecting pipe is provided with is fixed on the middle part focal point of left semicircle shape lens tank and communicates with left semicircle shape lens tank,Left solar vacuum heat-collecting pipe is in the lower section of left semicircle shape lens tank,The outlet pipe of left solar vacuum heat-collecting pipe connects the water inlet end of left water pump,The water side of left water pump connects S shape coil pipe,S shape coil pipe is arranged in desalination case,The water side of S shape coil pipe is stretched out desalination case and connects left semicircle shape lens tank;
The water inlet pipe that described right solar vacuum heat-collecting pipe is provided with is fixed on the middle part focal point of right semicircular lens tank and communicates with right semicircular lens tank, right solar vacuum heat-collecting pipe is in the lower section of right semicircular lens tank, the outlet pipe of right solar vacuum heat-collecting pipe connects the water inlet end of right water pump, the water side of right water pump connects spray connecting tube, upper spray connecting tube is in desalination case and is fixed on the top of desalination case, upper spray connecting tube is in the top of S shape coil pipe, upper spray connecting tube is fixed with multiple shower nozzle, the top board of desalination case has connected escape pipe, escape pipe is connected with fresh-water tank by connecting tube;
The lower sides of described desalination case has connected drain pipe, and drain pipe stretches out hull.
Being fixed with control main frame in described placed cavity, the left end of hull and right-hand member are connected to connecting-rod body, and connecting-rod body is fixed with buoyancy pendulum-type launch device.
Described buoyancy pendulum-type launch device is electrically connected with controlling main frame by connecting line, controls main frame and is electrically connected with the motor of left water pump and right water pump by connecting line.
Being fixed with the medial wall composition sea water cavity of casing cover, casing cover and placed cavity on the sidewall of described placed cavity, the water inlet end of sea water cavity communicates with the inlet through hole having on the sidewall of hull, and drainage screen is fixed on the medial wall of sea water cavity and covers inlet through hole.
The right upper portion of described deck in ship structure is fixed with feed pump, and the water inlet end of feed pump stretches into sea water cavity and communicates with sea water cavity, and the water side of feed pump connects right semicircular lens tank.
Described left semicircle shape lens tank and right semicircular lens tank are strip cell body, and the end face of cell body is fixed with transparent cover plate, is perfused with fresh water in left semicircle shape lens tank and right semicircular lens tank.
Described desalination case is that insulant is made, and solar vacuum heat-collecting pipe adopts light absorbent to make.
Described hull is fixed on limit, island or fixing river levee by hawser.
The prominent effect of the present invention is:
It can be fixed on other boats and ships and follow boats and ships move or be arranged on waters, island, is a kind of large-scale sea water desalinating unit, and automatic feeding water is desalinated, automatic-discharging strong brine, and can provide electric energy by automatic generation.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the partial structurtes schematic diagram of the left solar vacuum heat-collecting pipe of the present invention or right solar vacuum heat-collecting pipe.
Detailed description of the invention:
nullEmbodiment,See as shown in Figure 1 to Figure 2,A kind of lens water tank type desalinization fresh water ensures ship,Including hull 10,Described hull 10 be fixedly arranged in the middle of deck in ship structure 11,There is between the base plate of deck in ship structure 11 and hull 10 placed cavity 12,Placed cavity 12 is fixed with fresh-water tank 20,The end face of deck in ship structure 11 is fixedly arranged in the middle of desalination case 30,The deck in ship structure 11 in the left side of fresh-water tank 20 is fixed with left semicircle shape lens tank 13、Left solar vacuum heat-collecting pipe 14 and left water pump 15,The deck in ship structure 11 on the right side of fresh-water tank 20 is fixed with right semicircular lens tank 16、Right solar vacuum heat-collecting pipe 17 and right water pump 18,The water inlet pipe that left solar vacuum heat-collecting pipe 14 is provided with is fixed on the middle part focal point of left semicircle shape lens tank 13 and communicates with left semicircle shape lens tank 13,Left solar vacuum heat-collecting pipe 14 is in the lower section of left semicircle shape lens tank 13,The outlet pipe of left solar vacuum heat-collecting pipe 14 connects the water inlet end of left water pump 15,The water side of left water pump 15 connects S shape coil pipe 31,S shape coil pipe 31 is arranged in desalination case 30,The water side of S shape coil pipe 31 is stretched out desalination case 30 and connects left semicircle shape lens tank 13;
The water inlet pipe that described right solar vacuum heat-collecting pipe 17 is provided with is fixed on the middle part focal point of right semicircular lens tank 16 and communicates with right semicircular lens tank 16, right solar vacuum heat-collecting pipe 17 is in the lower section of right semicircular lens tank 16, the outlet pipe of right solar vacuum heat-collecting pipe 17 connects the water inlet end of right water pump 18, the water side of right water pump 18 connects spray connecting tube 32, upper spray connecting tube 32 is in desalination case 30 and is fixed on the top of desalination case 30, upper spray connecting tube 32 is in the top of S shape coil pipe 31, upper spray connecting tube 32 is fixed with multiple shower nozzle 33, the top board of desalination case 30 has connected escape pipe 34, escape pipe 34 is connected with fresh-water tank 20 by connecting tube 35;
The lower sides of described desalination case 30 has connected drain pipe 36, and drain pipe 36 stretches out hull 10, and plug can according to circumstances be fixed in the outer end of drain pipe 36, is unloaded by plug in use.
Further, being fixed with control main frame 40 in described placed cavity 12, the left end of hull 10 and right-hand member are connected to connecting-rod body 19, and connecting-rod body 19 is fixed with buoyancy pendulum-type launch device 50.
Further, described buoyancy pendulum-type launch device 50 is electrically connected with controlling main frame 40 by connecting line, controls main frame 40 and is electrically connected with the motor of left water pump 15 and right water pump 18 by connecting line.
Further, the sidewall of described placed cavity 12 is fixed with casing cover 121, the medial wall composition sea water cavity 60 of casing cover 121 and placed cavity 12, the water inlet end of sea water cavity 60 communicates with the inlet through hole 101 having on the sidewall of hull 10, and drainage screen 102 is fixed on the medial wall of sea water cavity 60 and covers inlet through hole 101.
Further, the right upper portion of described deck in ship structure 11 is fixed with feed pump 1, and the water inlet end of feed pump 1 stretches into sea water cavity 60 and communicates with sea water cavity 60, and the water side of feed pump 1 connects right semicircular lens tank 16,, control main frame 40 and electrically connected with the motor of feed pump 1 by connecting line.
Further, described left semicircle shape lens tank 13 and right semicircular lens tank 16 are strip cell body, and the end face of cell body is fixed with transparent cover plate 100, is perfused with fresh water in left semicircle shape lens tank 13 and right semicircular lens tank 16.Transparent cover plate 100 can be the arc plate body of outwardly convex.
Further, described desalination case 30 is made for insulant, and solar vacuum heat-collecting pipe 17 adopts light absorbent to make.
Further, described hull 10 is fixed on limit, island or fixing river levee by hawser.
Left solar vacuum heat-collecting pipe 14 in the present embodiment, right solar vacuum heat-collecting pipe 17 and buoyancy pendulum-type launch device 50 are disclosed product, no longer describe in detail.
nullOperation principle: fresh water injects in left semicircle shape lens tank 13,By left semicircle shape lens tank 13 gathers sunlight heating,Fresh water is tentatively heated,Fresh water after heating enters in left solar vacuum heat-collecting pipe 14,Sunlight is irradiated in left solar vacuum heat-collecting pipe 14 through left semicircle shape lens tank 13 simultaneously,Fresh water is heated by left solar vacuum heat-collecting pipe 14,It is heated again,Now temperature reaches more than 90 DEG C,Water liquid after heating is run by left water pump 15,It is extracted in S shape coil pipe 31,Enter in desalination case 30,Simultaneously,Sea water is run by feed pump 1,By in the Seawater inhalation right semicircular lens tank 16 of sea water cavity 60,Sunlight heating is gathered by right semicircular lens tank 16,So that sea water tentatively heats,Then,Sea water after heating enters right solar vacuum heat-collecting pipe 17 and is heated,Sea water after heating is entered in upper spray connecting tube 32 by the right pump housing 18 and is sprayed onto on S shape coil pipe 31 by shower nozzle 33,Temperature due to the sea water that the fresh water temperature in S shape coil pipe 31 sprays more than shower nozzle 33,Therefore in desalination case 30, heat exchange is carried out,And spray water liquid out and can be evaporated when 90 DEG C,The sea water making ejection realizes evaporation,The steam of evaporation enters fresh-water tank 20 by escape pipe 34,By the water liquid pre-cooling of fresh-water tank 20,Make steam become water droplet to accumulate in fresh-water tank 20,In order to using.And desalinate case 30 and make for insulant so that desalination case 30 has heat insulation effect, is conducive to heat exchange.
In this device, produce electric energy by buoyancy pendulum-type launch device 50, and flow to control main frame 40, control main frame 40 is provided with accumulator, it is possible to by electrical power storage and use simultaneously.
Finally; embodiment of above is merely to illustrate the present invention; and it is not limitation of the present invention; those of ordinary skill about technical field; without departing from the spirit and scope of the present invention; can also making a variety of changes and modification, therefore all equivalent technical schemes fall within scope of the invention, and the scope of patent protection of the present invention should be defined by the claims.
Solar vacuum heat-collecting pipe is solar energy vacuum tube, for existing equipment, no longer describes in detail.
Claims (8)
- null1. a lens water tank type desalinization fresh water ensures ship,Including hull (10),It is characterized in that: described hull (10) be fixedly arranged in the middle of deck in ship structure (11),There is between the base plate of deck in ship structure (11) and hull (10) placed cavity (12),Placed cavity (12) is fixed with fresh-water tank (20),The end face of deck in ship structure (11) is fixedly arranged in the middle of desalination case (30),The deck in ship structure (11) in the left side of fresh-water tank (20) is fixed with left semicircle shape lens tank (13)、Left solar vacuum heat-collecting pipe (14) and left water pump (15),The deck in ship structure (11) on the right side of fresh-water tank (20) is fixed with right semicircular lens tank (16)、Right solar vacuum heat-collecting pipe (17) and right water pump (18),The water inlet pipe that left solar vacuum heat-collecting pipe (14) is provided with is fixed on the middle part focal point of left semicircle shape lens tank (13) and communicates with left semicircle shape lens tank (13),Left solar vacuum heat-collecting pipe (14) is in the lower section of left semicircle shape lens tank (13),The outlet pipe of left solar vacuum heat-collecting pipe (14) connects the water inlet end of left water pump (15),The water side of left water pump (15) connects S shape coil pipe (31),S shape coil pipe (31) is arranged in desalination case (30),The water side of S shape coil pipe (31) is stretched out desalination case (30) and connects left semicircle shape lens tank (13);nullThe water inlet pipe that described right solar vacuum heat-collecting pipe (17) is provided with is fixed on the middle part focal point of right semicircular lens tank (16) and communicates with right semicircular lens tank (16),Right solar vacuum heat-collecting pipe (17) is in the lower section of right semicircular lens tank (16),The outlet pipe of right solar vacuum heat-collecting pipe (17) connects the water inlet end of right water pump (18),The water side of right water pump (18) connects spray connecting tube (32),Upper spray connecting tube (32) is in desalination case (30) and is fixed on the top of desalination case (30),Upper spray connecting tube (32) is in the top of S shape coil pipe (31),Upper spray connecting tube (32) is fixed with multiple shower nozzle (33),The top board of desalination case (30) has connected escape pipe (34),Escape pipe (34) is connected with fresh-water tank (20) by connecting tube (35);The lower sides of described desalination case (30) has connected drain pipe (36), and drain pipe (36) stretches out hull (10).
- 2. a kind of lens water tank type desalinization fresh water according to claim 1 ensures ship, it is characterized in that: described placed cavity (12) is fixed with control main frame (40), the left end of hull (10) and right-hand member are connected to connecting-rod body (19), and connecting-rod body (19) is fixed with buoyancy pendulum-type launch device (50).
- 3. a kind of lens water tank type desalinization fresh water according to claim 2 ensures ship, it is characterized in that: described buoyancy pendulum-type launch device (50) is electrically connected with controlling main frame (40) by connecting line, control main frame (40) and electrically connected by the motor of connecting line with left water pump (15) and right water pump (18).
- 4. a kind of lens water tank type desalinization fresh water according to claim 1 ensures ship, it is characterized in that: the sidewall of described placed cavity (12) is fixed with casing cover (121), medial wall composition sea water cavity (60) of casing cover (121) and placed cavity (12), the water inlet end of sea water cavity (60) communicates with the inlet through hole (101) having on the sidewall of hull (10), and drainage screen (102) is fixed on the medial wall of sea water cavity (60) and covers inlet through hole (101).
- 5. a kind of lens water tank type desalinization fresh water according to claim 4 ensures ship, it is characterized in that: the right upper portion of described deck in ship structure (11) is fixed with feed pump (1), the water inlet end of feed pump (1) stretches into sea water cavity (60) and communicates with sea water cavity (60), and the water side of feed pump (1) connects right semicircular lens tank (16).
- 6. a kind of lens water tank type desalinization fresh water according to claim 1 ensures ship, it is characterized in that: described left semicircle shape lens tank (13) and right semicircular lens tank (16) are strip cell body, the end face of cell body is fixed with transparent cover plate (100), left semicircle shape lens tank (13) and be perfused with fresh water in right semicircular lens tank (16).
- 7. a kind of lens water tank type desalinization fresh water according to claim 1 ensures ship, it is characterised in that: described desalination case (30) is made for insulant, and solar vacuum heat-collecting pipe (17) adopts light absorbent to make.
- 8. a kind of lens water tank type desalinization fresh water according to claim 1 ensures ship, it is characterised in that: described hull (10) is fixed on limit, island or fixing river levee by hawser.
Priority Applications (1)
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CN201610145904.2A CN105776388B (en) | 2016-03-15 | 2016-03-15 | A kind of lens water tank type sea water desalination fresh water ensures ship |
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CN201610145904.2A CN105776388B (en) | 2016-03-15 | 2016-03-15 | A kind of lens water tank type sea water desalination fresh water ensures ship |
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CN105776388A true CN105776388A (en) | 2016-07-20 |
CN105776388B CN105776388B (en) | 2018-05-25 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106241926A (en) * | 2016-09-07 | 2016-12-21 | 西安建筑科技大学 | A kind of solar energy double-stage heating sea water desalinating unit |
CN108975436A (en) * | 2018-06-29 | 2018-12-11 | 四川复海生态环保科技有限责任公司 | A kind of solar seawater desalination system |
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US6274004B1 (en) * | 1997-02-04 | 2001-08-14 | Pure Water Tech Ltd. As | Water purification device |
CN203319727U (en) * | 2013-05-21 | 2013-12-04 | 浙江海洋学院 | Marine seawater desalination device |
CN104671314A (en) * | 2015-03-19 | 2015-06-03 | 许玉蕊 | Lens type solar seawater desalting device |
CN205381979U (en) * | 2016-03-15 | 2016-07-13 | 绍兴文理学院 | Lens basin formula seawater desalination fresh water guarantee ship |
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2016
- 2016-03-15 CN CN201610145904.2A patent/CN105776388B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US6274004B1 (en) * | 1997-02-04 | 2001-08-14 | Pure Water Tech Ltd. As | Water purification device |
CN203319727U (en) * | 2013-05-21 | 2013-12-04 | 浙江海洋学院 | Marine seawater desalination device |
CN104671314A (en) * | 2015-03-19 | 2015-06-03 | 许玉蕊 | Lens type solar seawater desalting device |
CN205381979U (en) * | 2016-03-15 | 2016-07-13 | 绍兴文理学院 | Lens basin formula seawater desalination fresh water guarantee ship |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106241926A (en) * | 2016-09-07 | 2016-12-21 | 西安建筑科技大学 | A kind of solar energy double-stage heating sea water desalinating unit |
CN106241926B (en) * | 2016-09-07 | 2019-04-12 | 西安建筑科技大学 | A kind of solar energy double-stage heating desalination plant |
CN108975436A (en) * | 2018-06-29 | 2018-12-11 | 四川复海生态环保科技有限责任公司 | A kind of solar seawater desalination system |
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