CN1223234A - Negative temp. different sea water desalination equipment - Google Patents
Negative temp. different sea water desalination equipment Download PDFInfo
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- CN1223234A CN1223234A CN98121993A CN98121993A CN1223234A CN 1223234 A CN1223234 A CN 1223234A CN 98121993 A CN98121993 A CN 98121993A CN 98121993 A CN98121993 A CN 98121993A CN 1223234 A CN1223234 A CN 1223234A
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/008—Liquid distribution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0039—Recuperation of heat, e.g. use of heat pump(s), compression
-
- 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
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- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The present invention reltes to a negative temperature difference seawater desalination plant. It is characterized by that it uses a pure phase-change athermal refrigerating plant to prepare a lot of cold quantity whose temperature is about zero deg.C and a small quantity of cryogenic cold quantity to form low-temperature negative-pressure condensation space, and at the same time, it uses the heat quantity of normal-temp. seawater self-body to vaporize the seawater under the condition of negative temp. difference and negative pressure into vapour, and then makes the vapour condense into the fresh water in the low-temperature negative-pressure condensation space, and at the same time, it creates a condensation space whose temp. is about-200 deg.C to liquefy the air dissolved in the seawater. Said invented plant also can be used for purifying industrial waste water, etc..
Description
The present invention relates to desalination technology, the subzero temperature different sea water desalination equipment that particularly a kind of energy that utilizes cold that artificial cooling provides and the subzero temperature difference between natural normal temperature seawater self the normal temperature heat to be had desalinizes seawater.
Existing desalination technology, especially industry with civilian on the desalination technology that extensively adopts, the heat of high temperature of utilizing burning mineral fuel or other thermals source to provide is provided usually, make seawater carburation by evaporation at normal temperatures and pressures, collect its water vapor then, be allowed to condition at and be condensed into fresh water in the normal temperature environment.Its shortcoming is to have consumed mineral wealth, has polluted physical environment, and production cost is too high, is difficult to satisfy human society growing fresh water demand at present, can't alleviate global ubiquitous fresh water crisis.
The purpose of this invention is to provide a kind of new subzero temperature different sea water desalination equipment, the a large amount of colds that utilize pure phase-changing apyretic frigeration device highly effective refrigeration to be provided, form the low-temperature negative-pressure condensation space, utilize simultaneously that the normal temperature seawater self heat makes that seawater is poor at subzero temperature, be vaporized into water vapor under the negative pressure state, allow water vapor change into fresh water, simultaneously external cooling at low-temperature negative-pressure condensation space phlegma.
Technical solution of the present invention is as follows:
A kind of subzero temperature different sea water desalination equipment, its basic element of character is similar with the device that utilizes heat of high temperature to desalinize seawater, it comprises the vaporizer that makes seawater heat absorption vaporization, make water vapor condensation become the condenser of liquid fresh water, and device and the pipeline of collecting fresh water water droplet and current, constitute sea water desaltination heating power phase transformation circulation thus;
Utilize the multi-stage refrigerating circulation of pure phase-changing apyretic frigeration technology, it comprises the chopped-off head Vapor Compression Refrigeration Cycle device of being made up of refrigeration compressor, condenser, current regulator and vaporizer that original refrigerating duty is provided, supercooled liquid working medium cold plate, inferior one-level liquid refrigeration working medium, and with the first heat preservation pressure container of above-mentioned parts in all being arranged on, together with inferior one-level working medium pump and adapting pipe; The middle one-level heat preservation pressure container that comprises one-level refrigerating evaporator, supercooled liquid working medium cold plate and next stage liquid refrigeration working medium in the middle of being equipped with is together with next stage working medium pump and adapting pipe; Comprise the middle N level heat preservation pressure container that intermediate stage refrigerating evaporator, supercooled liquid working medium cold plate, refrigeration liquid refrigerant are housed, together with next stage working medium pump and adapting pipe;
It also is included in the centre attached one-level heat preservation pressure container that is provided with between the first heat preservation pressure container and the middle one-level heat preservation pressure container, together with working medium pump and adapting pipe, attached one-level refrigerating evaporator in the middle of being equipped with in the attached one-level heat preservation pressure container of described centre, the horizontally disposed supercooled liquid working medium cold plate of attached one-level refrigerating evaporator below in the middle of being positioned at, and the hygroscopic desiccation case and the liquid-air groove of the bottom setting of attached one-level heat preservation pressure container in the centre; Also comprise and be positioned at passing through the working medium tubing and being incubated the terminal heat preservation pressure container that muffler is connected of middle N level heat preservation pressure container back, together with seawater and freshwater wet-pit and adapting pipe, coil-like middle N level refrigerating evaporator more than one is housed in the described terminal heat preservation pressure container, the sea water evaporator that is provided with in the periphery of middle N level refrigerating evaporator, the fresh water cold plate of fitting and installing at the top of middle N level refrigerating evaporator, the fresh water receiving tank that links to each other with the fresh water cold plate, and the seawater groove that is positioned at terminal heat preservation pressure container bottom;
Final stage phase transformation in described sea water desaltination heating power phase transformation circulation and the described pure phase-changing apyretic frigeration constitutes same heating power phase transformation circulation with cold refrigeration cycle, this heating power phase transformation circulation is made of siphon pipe, sea water evaporator, middle N level refrigerating evaporator, fresh water cold plate, adapting pipe, water pump and the vaporization temperature middle N level refrigeration liquid refrigerant by 0 ℃, when desalinizing seawater, external cooling;
Described siphon pipe one end connects top layer, nature marine site, the other end connects end entrance on the interior sea water evaporator of terminal heat preservation pressure container, siphon pipe suction elevation is determined by required siphon pipe discharge pressure of sea water evaporator water inlet and flow velocity, seawater is flowed through sea water evaporator to the seawater groove, the seawater groove is connected with water pump by water pipe, cooled seawater is drained into the external cooling in colod-application family, perhaps enter the marine site deep layer again;
N level refrigerating evaporator is fitted the fresh water cold plate is installed in the middle of described, vaporization temperature is after the middle N level refrigeration liquid refrigerant about 0 ℃ is vaporized from the heat absorption of fresh water cold plate, get back to condensation space condensation liquefaction in the upper level heat preservation pressure container through the insulation muffler, the cold that middle N level refrigerating evaporator is provided makes and forms the negative pressure condensation space in the terminal heat preservation pressure container, seawater is from top to bottom flowing with in the sea water evaporator of insulating, sea water evaporator internal skin seawater is vaporized into water vapor from self and the heat absorption of nexine seawater, water vapor enters negative pressure condensation space in the terminal heat preservation pressure container from sea water evaporator top pore, on the fresh water cold plate, condensing into fresh water below drips, automatically be pooled to fresh-water tank, form the final stage phase transformation thus with cold refrigeration cycle and sea water desaltination heating power phase transformation circulation; Fresh water is concentrated through fresh water pipe and is imported fresh water reservoir, and fresh water reservoir is connected with water pump, and fresh water is pressed and delivered to the fresh water user by water pump;
Bottom condensation space in the described terminal heat preservation pressure container connects the hygroscopic desiccation case that is positioned at middle attached one-level heat preservation pressure container through pneumatic tube, be dissolved in the little air in the seawater, enter in the middle attached one-level heat preservation pressure container in terminal heat preservation pressure container through pneumatic tube, after the hygroscopic desiccation case is absorbed water vapor, dry air enters the temperature be made up of vaporizer and supercooled liquid working medium cold plate and is about-200 ℃ cryogenic condensation space, by continuous condensation liquefaction, accumulate in the liquid-air groove and regularly efflux, thereby guarantee the stable negative pressure condensation space that forms in the terminal heat preservation pressure container effectively;
Liquid refrigeration working medium in the attached one-level vaporizer in described centre is from by heat absorption vaporization the dry air that imports in the terminal heat preservation pressure container, through insulation muffler condensation space condensation, liquefaction again in the first heat preservation pressure container;
Chopped-off head refrigeration working medium vaporization temperature is minimum, raises step by step according to the inferior refrigeration working medium vaporization temperatures at different levels that put in order of level then.
The present invention adopts the pure phase-changing apyretic frigeration technology, carry out multi-level phase change with cold refrigeration cycle, the cold that recycling upper level refrigeration cycle is provided comes the phase transformation of the refrigerant vapor in the condensation liquefaction refrigeration cycle at the corresponding levels with cold refrigeration cycle, the original cold high power amplification that the chopped-off head Vapor Compression Refrigeration Cycle is provided, producing out big amount temperature with the refrigerating efficiency of high power is cold and a small amount of low-temperature deep cold about 0 ℃; Utilize above-mentioned cold to make the negative pressure condensation space, be condensate in and rely on the seawater self heat formed water vapor of vaporizing under the negative pressure condition, realize the subzero temperature different sea water desalination, and can be simultaneously external cooling.The present invention can also and be similar to the wastewater treatment equipment of trade effluent as purified industrial waste water.
Below in conjunction with accompanying drawing the present invention is described in detail.
Fig. 1 is the structural representation of the first heat preservation pressure container in a kind of subzero temperature different sea water desalination equipment, middle one-level heat preservation pressure container, middle attached one-level heat preservation pressure container and middle N level heat preservation pressure container.
Fig. 2 is the structural representation of the terminal heat preservation pressure container in the above-mentioned sea water desalting equipment.
Referring to Fig. 1, refrigeration compressor 1, condenser 2, current regulator 4 and vaporizer 6 are installed in the first heat preservation pressure container 8, form the chopped-off head Vapor Compression Refrigeration Cycle, original refrigerating duty is provided.The bottom of the first heat preservation pressure container 8 fills liquid refrigeration working medium 14, and refrigeration compressor 1 and condenser 2 in the above-mentioned chopped-off head Vapor Compression Refrigeration Cycle are soaked in the liquid refrigeration working medium 14.The middle part of the first heat preservation pressure container 8 is provided with supercooled liquid working medium cold plate 17.Working medium pump 9 is connected with the first heat preservation pressure container 8 by pipette 18, and the other end of working medium pump 9 connects working medium tubing 10.Working medium tubing 10 is connected with middle one-level refrigerating evaporator 19, middle attached one-level refrigerating evaporator 28 respectively.
Liquid refrigeration working medium 21 is poured in the bottom of middle one-level heat preservation pressure container 20, and middle one-level refrigerating evaporator 19 and supercooled liquid working medium cold plate 17 are installed in the middle one-level heat preservation pressure container 20.Middle one-level refrigerating evaporator 19 is communicated with condensation space in the first heat preservation pressure container 8 by working medium tubing 10, working medium pump 9, pipette 18, insulation muffler 11, forms phase transformation with cold refrigeration cycle.
One-level heat preservation pressure container 20 in the middle of working medium pump 9 ' one end connects by pipette 18 ', the working medium pump 9 ' the other end is connected with intermediate stage refrigerating evaporator 12 by working medium tubing 10 '.In middle N level heat preservation pressure container 13, intermediate stage refrigerating evaporator 12, supercooled liquid working medium cold plate 17 and liquid refrigeration working medium 22 are installed.Intermediate stage refrigerating evaporator 12 is communicated with condensation space in the middle one-level heat preservation pressure container 20 by working medium tubing 10 ', working medium pump 9 ', pipette 18 ', insulation muffler 11 ', forms phase transformation with cold refrigeration cycle.
Referring to Fig. 2, working medium pump 9 " end is by pipette 18 " connect in the middle of N level heat preservation pressure container 13, working medium pump 9 " the other end is connected by working medium tubing 25 and terminal heat preservation pressure container 30 interior middle N level refrigerating evaporators 35.In the heat preservation pressure container 30 sea water evaporator 34 is installed endways, cover plate 54 is housed on the sea water evaporator 34, offer a large amount of ventilating pits 37 on this cover plate 54, above ventilating pit 37, be equipped with and block cover plate 33.Middle N level refrigerating evaporator 35 coils below the base plate that is attached to fresh water cold plate 31, and fresh water receiving tank 36 links to each other with fresh water cold plate 31.Middle N level refrigerating evaporator 35 is by pipette 18 ", working medium pump 9 ", working medium tubing 25, insulation muffler 26 be communicated with condensation spaces in the middle N level heat preservation pressure container 13, the formation phase transformation is with cold refrigeration cycle.
Middle the N level refrigerating evaporators of installing in the terminal heat preservation pressure container 30 35 from bottom to top connect N unit are set, and each unit includes centre N level refrigerating evaporator 35, sea water evaporator 34, fresh water cold plate 31, fresh water receiving tank 36 and adapting pipe.
Lower floor's negative pressure condensation space in the terminal heat preservation pressure container 30 is provided with pneumatic tube 46, and pneumatic tube 46 is connected with the hygroscopic desiccation case 47 that is positioned at middle attached one-level heat preservation pressure container 24 bottoms.The little air that exists in the terminal heat preservation pressure container 30 enters hygroscopic desiccation case 47 through pneumatic tube 46, attached one-level condensation space was condensed into liquid-air in the middle of dry air entered, falling is in liquid-air groove 50, intermittence ground passes through pipette 18 from 50 sucking-offs of liquid-air groove by working medium pump 9 then, pressurizes after working medium tubing 29 is arranged to the space.
Normal temperature seawater in the nature marine site 48, suck from top layer, natural marine site through siphon pipe 38, rise along siphon pipe 38, enter sea water evaporator 34 from the top seawater inlet 52 of terminal heat preservation pressure container 30 maritime interior waters vaporizers 34, normal temperature seawater is absorbed heat from self, under negative pressure, be vaporized into water vapor, water vapor enters negative pressure condensation space in the terminal heat preservation pressure container 30 from the ventilating pit 37 on the sea water evaporator cover plate 54, be condensed into fresh water, form the final stage phase transformation thus with cold refrigeration cycle and sea water desaltination phase transformation thermodynamic cycle.The fresh water water droplet is compiled by fresh water receiving tank 36, flows into fresh water reservoir 41 through water pipe 42 and water pipe 40, and fresh water liquid 39 is transported to the fresh water user through water pump 51, water absorption tube 55 and hydraulic pipe 49.
The Mare Frigoris water of having lowered the temperature cooling in the sea water evaporator 34 and can't vaporize again and evaporating, flow into the seawater groove 32 that is positioned at terminal heat preservation pressure container 30 bottoms through sea water evaporator 34 inner channels, after water absorption tube 44 and water pump 43 pressurizations, enter the marine site deep layer again, perhaps cooled seawater is sent into the external cooling in colod-application family by water pipe 45 as secondary refrigerant by water pipe 45.
Workflow of the present invention is as follows:
Start refrigeration compressor 1 refrigeration, its heat is by liquid refrigeration working medium 14 latent heats of vaporization warm that disappears, and its steam enters the condensation space condensation liquefaction of being made up of supercooled liquid working medium cold plate 17 and vaporizer 6 from ventpipe 16; Meanwhile, regulator of level 23 adds to lower floor with the upper strata liquid refrigeration working medium 14 of the first heat preservation pressure container 8 by liquid supplementation pipe 15 automatically.
Start working medium pump 9, allow liquid refrigeration working medium 14 enter middle one-level vaporizer 19 and middle attached one-level vaporizer 28 through pipette 18 and working medium tubing 10, middle one-level vaporizer 19 is heat absorption vaporization and refrigeration from next stage refrigeration working medium steam, and get back to the first heat preservation pressure container 8 in condensation space through insulation muffler 11 and liquefy, middle attached one-level vaporizer 28 is heat absorption vaporization and refrigeration from the dry air that terminal heat preservation pressure container 30 imports, and gets back to condensation space liquefaction in the first heat preservation pressure container 8 through insulation muffler 11.
Start working medium pump 9 ', allow liquid refrigeration working medium 21 enter intermediate stage refrigerating evaporator 12 through pipette 18 ' and working medium tubing 10 ', intermediate stage refrigerating evaporator 12 absorbs heat from middle N level refrigeration working medium steam and vaporizes and refrigeration, and gets back to condensation space condensation liquefaction in the middle one-level heat preservation pressure container 20 through being incubated muffler 11 '.
Start working medium pump 9 "; allow liquid refrigeration working medium 22 enter middle N level refrigerating evaporator 35 in the terminal heat preservation pressure container 30; middle N level refrigerating evaporator 35 from water vapor, absorb heat vaporization and refrigeration, and get back to condensation space condensation liquefaction in the middle N level heat preservation pressure container 13 through being incubated muffler 26.
After negative pressure occurring in the terminal heat preservation pressure container 30, seawater enters sea water evaporator 34 along siphon pipe 38 automatically, starts water pump 43 this moment the seawater in the seawater groove 32 is discharged.
When fresh water position in the fresh water reservoir 41 meets or exceeds the storage limit, start water pump 51, the user provides sweet water to water.
Can build up large-scale or super-huge sea water desaltination base according to technology of the present invention, also can build up purified industrial waste water or be similar to the wastewater treatment base of trade effluent, can be on a large scale, provide pure fresh water to industrial and agricultural production and resident living at an easy rate.
Claims (4)
1, a kind of subzero temperature different sea water desalination equipment, its basic element of character is similar with the device that utilizes heat of high temperature to desalinize seawater, it comprises the vaporizer that makes seawater heat absorption vaporization, make water vapor condensation become the condenser of liquid fresh water, and device and the pipeline of collecting fresh water water droplet and current, constitute sea water desaltination heating power phase transformation circulation thus;
Utilize the multi-stage refrigerating circulation of pure phase-changing apyretic frigeration technology, it comprises the chopped-off head Vapor Compression Refrigeration Cycle device of being made up of refrigeration compressor, condenser, current regulator and vaporizer that original refrigerating duty is provided, supercooled liquid working medium cold plate, inferior one-level liquid refrigeration working medium, and with the first heat preservation pressure container of above-mentioned parts in all being arranged on, together with inferior one-level working medium pump and adapting pipe; The middle one-level heat preservation pressure container that comprises one-level refrigerating evaporator, supercooled liquid working medium cold plate and next stage liquid refrigeration working medium in the middle of being equipped with is together with next stage working medium pump and adapting pipe; Comprise the middle N level heat preservation pressure container that intermediate stage refrigerating evaporator, supercooled liquid working medium cold plate, refrigeration liquid refrigerant are housed, together with next stage working medium pump and adapting pipe;
It is characterized in that, it also is included in the centre attached one-level heat preservation pressure container that is provided with between the first heat preservation pressure container and the middle one-level heat preservation pressure container, together with working medium pump and adapting pipe, attached one-level refrigerating evaporator in the middle of being equipped with in the attached one-level heat preservation pressure container of described centre, the horizontally disposed supercooled liquid working medium cold plate of attached one-level refrigerating evaporator below in the middle of being positioned at, and the hygroscopic desiccation case and the liquid-air groove of the bottom setting of attached one-level heat preservation pressure container in the centre; Also comprise and be positioned at passing through the working medium tubing and being incubated the terminal heat preservation pressure container that muffler is connected of middle N level heat preservation pressure container back, together with seawater and freshwater wet-pit and adapting pipe, coil-like middle N level refrigerating evaporator more than one is housed in the described terminal heat preservation pressure container, the sea water evaporator that is provided with in the periphery of middle N level refrigerating evaporator, the fresh water cold plate of fitting and installing at the top of middle N level refrigerating evaporator, the fresh water receiving tank that links to each other with the fresh water cold plate, and the seawater groove that is positioned at terminal heat preservation pressure container bottom;
Final stage phase transformation in described sea water desaltination heating power phase transformation circulation and the described pure phase-changing apyretic frigeration constitutes same heating power phase transformation circulation with cold refrigeration cycle, this heating power phase transformation circulation is made of siphon pipe, sea water evaporator, middle N level refrigerating evaporator, fresh water cold plate, adapting pipe, water pump and the vaporization temperature middle N level refrigeration liquid refrigerant by 0 ℃, when desalinizing seawater, external cooling;
Described siphon pipe one end connects top layer, nature marine site, the other end connects end entrance on the interior sea water evaporator of terminal heat preservation pressure container, siphon pipe suction elevation is determined by required siphon pipe discharge pressure of sea water evaporator water inlet and flow velocity, seawater is flowed through sea water evaporator to the seawater groove, the seawater groove is connected with water pump by water pipe, cooled seawater is drained into the external cooling in colod-application family, perhaps enter the marine site deep layer again;
N level refrigerating evaporator is fitted the fresh water cold plate is installed in the middle of described, vaporization temperature is after the middle N level refrigeration liquid refrigerant about 0 ℃ is vaporized from the heat absorption of fresh water cold plate, get back to condensation space condensation liquefaction in the upper level heat preservation pressure container through the insulation muffler, the cold that middle N level refrigerating evaporator is provided makes and forms the negative pressure condensation space in the terminal heat preservation pressure container, seawater is from top to bottom flowing with in the sea water evaporator of insulating, sea water evaporator internal skin seawater is vaporized from self and the heat absorption of nexine seawater, form water vapor, water vapor enters negative pressure condensation space in the terminal heat preservation pressure container from sea water evaporator top pore, on the fresh water cold plate, condensing into fresh water below drips, automatically be pooled to fresh-water tank, form the final stage phase transformation thus with cold refrigeration cycle and sea water desaltination heating power phase transformation circulation; Fresh water is concentrated through fresh water pipe and is imported fresh water reservoir, and fresh water reservoir is connected with water pump, and fresh water is pressed and delivered to the fresh water user by water pump;
Bottom condensation space in the described terminal heat preservation pressure container connects the hygroscopic desiccation case that is positioned at middle attached one-level heat preservation pressure container through pneumatic tube, be dissolved in the little air in the seawater, enter in the middle attached one-level heat preservation pressure container in terminal heat preservation pressure container through pneumatic tube, after the hygroscopic desiccation case is absorbed water vapor, dry air enters the temperature be made up of vaporizer and supercooled liquid working medium cold plate and is about-200 ℃ cryogenic condensation space, by continuous condensation liquefaction, accumulate in the liquid-air groove and regularly efflux, thereby guarantee the stable negative pressure condensation space that forms in the terminal heat preservation pressure container effectively;
Liquid refrigeration working medium in the attached one-level vaporizer in described centre is from by heat absorption vaporization the dry air that imports in the terminal heat preservation pressure container, through insulation muffler condensation space condensation, liquefaction again in the first heat preservation pressure container;
Chopped-off head refrigeration working medium vaporization temperature is minimum, raises step by step according to the inferior refrigeration working medium vaporization temperatures at different levels that put in order of level then.
2, subzero temperature different sea water desalination equipment according to claim 1, it is characterized in that, middle the N level refrigerating evaporator of installing in the described terminal heat preservation pressure container from bottom to top connects N unit is set, and each unit includes centre N level refrigerating evaporator, sea water evaporator, fresh water cold plate, fresh water receiving tank and adapting pipe.
3, according to claim 1 and 2 described subzero temperature different sea water desalination equipments, it is characterized in that, on the described sea water evaporator cover plate is housed, offer a large amount of ventilating pits on this cover plate.
4, subzero temperature different sea water desalination equipment according to claim 3 is characterized in that, the top of described ventilating pit is equipped with and is blocked cover plate.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98121993A CN1223234A (en) | 1998-11-12 | 1998-11-12 | Negative temp. different sea water desalination equipment |
AU11469/00A AU1146900A (en) | 1998-11-12 | 1999-11-12 | A device for desalinizing sea water |
PCT/CN1999/000185 WO2000029333A1 (en) | 1998-11-12 | 1999-11-12 | A device for desalinizing sea water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN98121993A CN1223234A (en) | 1998-11-12 | 1998-11-12 | Negative temp. different sea water desalination equipment |
Publications (1)
Publication Number | Publication Date |
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CN1223234A true CN1223234A (en) | 1999-07-21 |
Family
ID=5227481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98121993A Pending CN1223234A (en) | 1998-11-12 | 1998-11-12 | Negative temp. different sea water desalination equipment |
Country Status (3)
Country | Link |
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CN (1) | CN1223234A (en) |
AU (1) | AU1146900A (en) |
WO (1) | WO2000029333A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011075915A1 (en) * | 2009-12-25 | 2011-06-30 | Chen Jian An | Easing pressure oxygen-dissolving device |
CN101941742B (en) * | 2009-07-06 | 2012-08-22 | 韩国energy技术研究院 | Evaporative desalination apparatus of sea water using phase changing fluids |
CN105540709A (en) * | 2015-12-23 | 2016-05-04 | 中置新能源科技发展(上海)有限公司 | Seawater desalination device and seawater desalination system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10246345B2 (en) | 2015-12-30 | 2019-04-02 | General Electric Company | Water desalination system and method for fast cooling saline water using turbines |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US3492205A (en) * | 1967-11-17 | 1970-01-27 | Robert C Webber | Distillation system and method |
US3675436A (en) * | 1970-02-25 | 1972-07-11 | Struthers Scient And Intern Co | Desalination process |
US3714791A (en) * | 1971-02-25 | 1973-02-06 | Pacific Lighting Service Co | Vapor freezing type desalination method and apparatus |
FR2187702B1 (en) * | 1972-06-13 | 1976-11-12 | Nuovo Pignone Spa | |
US5080704A (en) * | 1990-02-27 | 1992-01-14 | Cheng Chen Yen | Solid-liquid-vapor multiple phase transformation process with coupled absorption-melting operations |
CN2194903Y (en) * | 1994-07-02 | 1995-04-19 | 王燕华 | Cryogenic sea water desalting plant |
CN1069384C (en) * | 1994-08-24 | 2001-08-08 | 张庆玉 | Sea wave electricity generator and sea water distilling plant |
US5729987A (en) * | 1996-02-27 | 1998-03-24 | Miller; Joel V. | Desalinization method and apparatus |
-
1998
- 1998-11-12 CN CN98121993A patent/CN1223234A/en active Pending
-
1999
- 1999-11-12 AU AU11469/00A patent/AU1146900A/en not_active Abandoned
- 1999-11-12 WO PCT/CN1999/000185 patent/WO2000029333A1/en active Application Filing
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101941742B (en) * | 2009-07-06 | 2012-08-22 | 韩国energy技术研究院 | Evaporative desalination apparatus of sea water using phase changing fluids |
WO2011075915A1 (en) * | 2009-12-25 | 2011-06-30 | Chen Jian An | Easing pressure oxygen-dissolving device |
CN105540709A (en) * | 2015-12-23 | 2016-05-04 | 中置新能源科技发展(上海)有限公司 | Seawater desalination device and seawater desalination system |
CN105540709B (en) * | 2015-12-23 | 2018-05-04 | 中置新能源科技发展(上海)有限公司 | A kind of desalination plant and seawater desalination system |
Also Published As
Publication number | Publication date |
---|---|
WO2000029333A1 (en) | 2000-05-25 |
AU1146900A (en) | 2000-06-05 |
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