CN1772634A

CN1772634A - Shed curtain type multifuctional solar sea water desalting plant

Info

Publication number: CN1772634A
Application number: CNA2005101077406A
Authority: CN
Inventors: 程显超
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-29
Filing date: 2005-09-29
Publication date: 2006-05-17

Abstract

The shed curtain type multifunctional solar sea water desalting plant includes oblique sea water heating curtain on the soil stack on ground, concentrated sea water output pipe in the low end of the curtain, low temperature cooling chamber with built-in low temperature cooling curtain connected to the high end of the sea water heating curtain, sea water overflowing pipe and high temperature sea water conveying pipe in the high end, sea water input pipe set in the bottom of the low temperature cooling curtain and connected to the curtain type sea water heat absorbing negative pressure generator in the water vapor condensing power generating system, fresh water output pipe in the bottom of the low temperature cooling chamber, hat type transparent and heat insulating shed, and skirt around the plant connected to the shed and embedded into ground. The present invention can evaporate sea water and condense fast to obtain fresh water without electric power consumption while generating electric power with solar energy.

Description

Shed curtain type multifuctional solar sea water desalting plant

Technical field

The present invention relates to a kind of sea water desalinating plant, particularly a kind of shed curtain type multifuctional solar sea water desalting plant.

Background technology

At present, the world today is in order effectively to solve the day by day routed general unfavorable situation of tellurian Freshwater resources, many countries are all in the research of actively carrying out sea water desaltination hardy, though, have with the impurity in the chemical process removal seawater and with the physical treatment method and obtain pure fresh water, but it is low all to exist sea water desaltination efficient, problems such as desalinating cost height, big energy-consuming, influence their extensive promotion and application on a large scale, and incured loss through delay the progress of sea water desaltination; In order to address this problem, in recent years, also proposed to carry out with sun power fully the technology of sea water desaltination, as the patent No. is that the Chinese utility model patent of 03212404.x discloses a kind of " solar energy sea water desalination apparatus ", this device is to be provided with water reservoir, be connected to the transparent heat insulating canopy with water reservoir, on the transparent heat insulating canopy, be provided with the water vapour relief outlet, be connected to the water vapor condensation pipe with steam outlet, the terminal of water vapor condensation pipe is provided with the fresh water water outlet, promptly utilize sun power to make evaporation of seawater, the fresh water behind the collection evaporative condenser is to realize sea water desaltination; But in order to accelerate the circulation of water vapour, just a suction fan must be installed between steam outlet and water vapor condensation pipe, carry out condensation by the strength of suction fan again after with the water vapour sucking-off, so just exist consumed power, Cost of seawater desalination is strengthened, simultaneously, the seawater of water reservoir is subjected to irradiation of sunlight to add the thermogenesis water vapor, because these water vapors and the globule of assembling in transparent heat insulating canopy internal layer bottom surface influence sun optical transmission, can not make good use of sun power fully, be directed at shortcomings such as sea water desaltination efficient is low, therefore, how further to improve the service efficiency of sun power, improve the function of sea water desalinating plant, improve sea water desaltination efficient, reduce production costs, increase its economic and social benefit, study, exploitation makes full use of that sun power carries out the technology of sea water desaltination and device is very necessary.

Summary of the invention

The objective of the invention is in order to solve existing in prior technology shortcoming and defect part, but provide both save energy, the service efficiency that can effectively improve sun power again directly produces electric energy, and reduce cost, increase fresh water yield, and a kind of shed curtain type multifuctional solar sea water desalting plant with higher economic benefit and social benefit.

The objective of the invention is to realize: a kind of shed curtain type multifuctional solar sea water desalting plant with following technical scheme, comprise the seawater body of heating, the transparent heat insulating canopy, the low temperature seawater input tube, the fresh water output tube, be characterised in that: its structure is mainly by the seawater curtain of heating, the concentrated seawater output tube, the high temperature seawater transfer lime, the subcooling chamber, the seawater discharger, hat type transparent heat insulating ceiling, skirt at the bottom of the ceiling, ceiling bracket, the subcooling curtain is formed, corresponding with the solar light irradiation orientation, piling up its horizontal sextant angle on the ground is the mound of 10～90 degree, the tilting seawater curtain of heating on the mound face, heat low side bottom surface one side of curtain of seawater connects the concentrated seawater output tube, seawater heat the high-end of curtain with partly be embedded in the sealing of subterranean subcooling chamber and join, the seawater high-end seawater discharger that is equipped with of curtain of heating, join at the heat high-end bottom of curtain and high temperature seawater transfer lime one end of seawater, the other end of high temperature seawater transfer lime is communicated with subcooling curtain top and joins, in subcooling is indoor axial subcooling curtain is housed, subcooling curtain bottom surface connects the low temperature seawater input tube, the bottom surface of subcooling chamber connects the fresh water output tube, upper space outside seawater is heated the edge of curtain and subcooling chamber is with ceiling bracket supporting hat type transparent heat insulating ceiling, hat type transparent heat insulating ceiling and seawater are heated constitute the soak chamber of sealing between curtain, connect skirt at the bottom of the ceiling around the hat type transparent heat insulating ceiling, the bottom of skirt is buried in ground at the bottom of the ceiling.The seawater of the present invention curtain of heating, be to be used for the seawater of splendid attire evaporation usefulness, it is made up of warming plate, black light-absorbing counterdie, transparent teleblem, and is corresponding with the length and width size of mound, makes transparent teleblem up, make sealing member with the black light-absorbing counterdie, laterally parallel with mound, on sealing member, be processed with several and isolate mutually and the upper and lower mouthful body arranged side by side that is communicated with, heat at mound and seawater and put warming plate between curtain, because it exactly likes curtain, so be called the curtain of heating; Described warming plate adopts the polyphenyl foaming to make usually; Described concentrated seawater output tube is used for discharging the concentrated seawater that had evaporated, and it is loaded on seawater curtain bottom one side of heating, and is embedded in the ground; Subcooling of the present invention chamber is made up of cooling room inner membrance, warming plate, cooling room support, subcooling curtain; Be used for the cold fresh water of doubting into, corresponding with the heat length of curtain of seawater, make the open upright sealing member of a back cover with the cooling room inner membrance, and connect and compose the cooling room of a sealing with the heat high-end end of curtain, top layer of seawater respectively, the cooling room outside posts warming plate, cooling room support in regular turn, adorns axial subcooling curtain in cooling room; Subcooling curtain of the present invention is made up of cooling curtain adventitia, cooling curtain support, cooling adventitia with plastic film system is made a sealing member, with the mound parallel longitudinal, on sealing member, be processed with the body arranged side by side that several are isolated mutually and upper and lower mouthful is communicated with, outside sealing member, post cooling curtain support; Hat type transparent heat insulating ceiling of the present invention, be to be used for using to the sunlight transmission, form by ceiling skin, inner frame, or make with overlay or with transparent synthetic glass or with transparent glass and to have the outer field sealing member of planar ceiling, and be close to the outer inner face of ceiling and post inner frame; Ceiling bracket of the present invention, or be made for the plate body support of one or the support made from several pillars when the support made with pillar, should post sealing membrane in the support outside, to guarantee the sealing of soak chamber; It is loaded on described seawater discharger seawater and heats on the water surface of curtain top, seawater is heated, and liquid level is controlled by the outer liquid surface height controlling device that links to each other with the low temperature seawater input tube of device in the curtain, in a single day seawater exceeds seawater discharger end face, its seawater just flows out from the seawater discharger, and can not flow into the subcooling chamber.

Subcooling curtain of the present invention can also can be couple structure for monomer structure, when low temperature seawater input tube and cooling curtain are only arranged at the bottom of subcooling curtain when the monomer structure is plastic drapery, when being couple structure, the subcooling curtain is by increasing a metal curtain again and installing side by side except that former plastic drapery, then the bottom of the plastic drapery in the subcooling curtain is connected with the heat absorption of the curtain formula seawater in water vapor condensation power generation system vacuum generator by the seawater input tube; Metal curtain bottom in the subcooling curtain is connected with air compressor by the refrigeration agent output tube; The top of metal curtain is connected with turbo-generator by the refrigerant vapour output tube.Wherein metal curtain was a curtain formula vaporizer-condenser when subcooling curtain of the present invention was couple structure; The high-temperature water vapor that refrigeration agent in the curtain formula vaporizer-condenser will run into is heated evaporation generation high-temperature gas and is delivered to the turbo-generator generating by the refrigerant vapour output tube when being condensed into water.Through the output terminal output voltage; The remaining residual vapour in turbo-generator generating back is delivered to the seawater vacuum generator by residual vapour output tube and lowers the temperature through the low temperature seawater of seawater input tube input; And deliver to air compressor by the residual vapour output tube of low temperature and be compressed into refrigeration agent, deliver to curtain formula vaporizer-condenser through its output tube and produce high-temperature gas by the water vapor heating evaporation; The power input terminal of air compressor is in parallel with voltage output end of turbo-generator.Formed the water vapor condensation power generation system by curtain formula vaporizer-condenser, refrigerant vapour output tube, turbo-generator, output terminal, the residual vapour output tube of high temperature curtain formula seawater heat absorption vacuum generator, low temperature seawater input tube, the residual vapour output tube of low temperature, air compressor, refrigeration agent output tube.

Working process of the present invention is as follows: at first low temperature seawater is entered the subcooling curtain by the seawater input tube, sending into seawater through the high temperature seawater transfer lime then heats in the curtain, when sunlight passes through hat type transparent heat insulating ceiling, being radiated at seawater heats on the curtain, just heat being contained in the seawater that seawater heats in the curtain, the high-temperature water vapor that the seawater that is in high-temperature chamber is heated produce in the curtain directly enters with its airtight subcooling chamber that links to each other and is cooled to water, and can not have water vapor and cold water pearl on the bottom face of the hat type transparent heat insulating ceiling in the high-temperature chamber, thereby the feasible sunlight that enters in the soak chamber is not reflected scattering and loses, increased the service efficiency of sunlight, and the water surface that seawater is heated in the curtain amasss little with space contact surface, heat storage capacity is strong, can increase seawater temperature fast, and the high high-temperature water vapor of output water capacity, and increased the output of fresh water; It is on the ground tilting that curtain can become 10～90 degree angles with horizontal plane because seawater is heated, except its bottom and top palpus maintenance level, all the other most of areas require not tight to planeness, can make and oversimplify in the construction of various level lands, slope, thereby reduced the construction cost of seawater desalinization device, because with curtain shape sealing member, in the evaporation of seawater process, the curtain body can be opened automatically, contract, and is difficult for forming the dirt layer; Simultaneously, cold district can utilize night low temperature freezing to seawater, emit strong brine early morning, and through sunlight solarization ice-melt water, after washing residual salt in the cascade with these frozen water, and collect fresh water, after frozen water is collected in the curtain by the concentrated seawater output tube, also can utilize the strong sunlight at noon to shine the solarization evaporation, to improve the efficient of sea water desaltination; The water that seawater is heated in the curtain can be seawater, any in underground brackish water, lake water, river, the polluted water purification, and can as required the high-temperature water that reaches certain temperature be collected insulation, as bath water, heating water, the insulation water of Methane-generating pit during hypothermic phase; The fresh water of its fresh water output tube output can be used as the daily life water of urban and rural residents, thereby makes the present invention possess the characteristics of multiple function.

The present invention compared with prior art, not only need not any electric energy just can realize seawater high temperature rapid evaporation, low temperature rapid condensation and obtain fresh water, and sun power can efficiently be reused direct generation electric energy, realized that the high temperature seawater consecutive evaporation time is long, the water vapor water capacity is big, sea water desaltination efficient height, invest lowly, and have characteristics such as higher economic and social benefit and multifunctional usage.

Description of drawings

The present invention has three width of cloth accompanying drawings, wherein:

Accompanying drawing 1 is the main TV structure synoptic diagram of specific embodiments of the invention.

Accompanying drawing 2 is heat structure enlarged diagrams of curtain of subcooling curtain and seawater.

Accompanying drawing 3 is couple structure formula subcooling curtain principle of work synoptic diagram.

Among the figure 1, soak chamber 2, hat type transparent heat insulating ceiling 3, ceiling skin 4, inner frame 5, the seawater curtain 6 of heating, black light-absorbing counterdie 7, ceiling bracket 8, skirt 9 at the bottom of the ceiling, transparent film 10, subcooling chamber 11, cooling room support 12, subcooling curtain 13, cooling curtain support 14, fresh water output tube 15, seawater input tube 16, seawater discharger 17, high temperature seawater transfer lime 18, warming plate 19, concentrated seawater output tube 20, body 21, cooling room inner membrance 22, cooling curtain adventitia 23, curtain formula vaporizer-condenser 24, refrigerant vapour output tube 25, turbo-generator 26, output terminal 27, the residual vapour output tube 28 of high temperature, curtain formula seawater heat absorption vacuum generator 29, low temperature seawater input tube 30, the residual vapour output tube 31 of low temperature, air compressor refrigeration system 32, the refrigeration agent output tube

Embodiment

Fig. 1, shown in 2 specific embodiments of the invention 1, its length is 20 meters, wide is 1.6 meters, wherein the heat horizontal sextant angle on curtain 5 and ground of seawater is 25 degree, its structure comprises: the seawater curtain 5 of heating, concentrated seawater output tube 19, high temperature seawater transfer lime 17, subcooling chamber 10, seawater discharger 16, hat type transparent heat insulating ceiling 2, skirt 8 at the bottom of the ceiling, plate body ceiling bracket 7, subcooling curtain 12, fresh water output tube 14, seawater input tube 15 is formed, corresponding with the solar light irradiation orientation, piling up its horizontal sextant angle on the ground is the mound of 25 degree, tilting by warming plate 18 on the mound face, black light-absorbing counterdie 6, the seawater that transparent teleblem 9 the is formed curtain 5 of heating, heat low side bottom surface one side of curtain 5 of seawater connects concentrated seawater output tube 19, seawater heat the high-end of curtain 5 with partly be embedded in 10 sealings of subterranean subcooling chamber and join, subcooling chamber 10 is by cooling room inner membrance 21, warming plate 18, cooling room support 11, subcooling curtain 12 is formed, subcooling curtain 12 is by cooling curtain adventitia 22, cooling curtain support 13 is formed, the heat high-end seawater discharger 16 that is equipped with of curtain 5 of seawater, join at heat curtain 5 high-end bottoms and high temperature seawater transfer lime 17 1 ends of seawater, the other end of high temperature seawater transfer lime 17 is communicated with subcooling curtain 12 tops and joins, upright dress is by cooling curtain adventitia 22 in subcooling chamber 10, the subcooling curtain 12 that cooling curtain support 13 is formed, subcooling curtain 12 bottom surfaces connect seawater input tube 15, the bottom surface of subcooling chamber 10 connects fresh water output tube 14, upper space outside seawater is heated the edge of curtain 5 and subcooling chamber 10 is with the ceiling bracket 7 sealing supporting hat type transparent heat insulating ceilings 2 of plate body system, make heat 5 on curtain of hat type transparent heat insulating ceiling 2 and seawater constitute the soak chambers 1 of sealing, hat type transparent heat insulating ceiling 2 is by ceiling skin 3, inner frame 4 is formed, connect skirt 8 at the bottom of the ceiling around it, the bottom of skirt 8 is buried in ground at the bottom of the ceiling.

Fig. 3 is embodiments of the invention 2, and its structure subcooling curtain 12 promptly cools off curtain by couple structure and is made up of plastic drapery and metal curtain; The plastic drapery bottom is connected with curtain formula seawater heat absorption vacuum generator 28 by seawater input tube 15; Metal curtain bottom is connected with air compressor 31 by refrigeration agent output tube 32, and the top of metal curtain is connected with turbo-generator 25 by refrigerant vapour output tube 24.Refrigeration agent in the indoor curtain formula vaporizer-condenser 23 of subcooling is met evaporation behind the high-temperature water vapor and is absorbed heat in the water vapor, makes water vapor condensation Cheng Shui.The refrigeration agent high-temperature steam generates electricity through refrigerant vapour output tube 24 to turbo-generator and pushing generator 25, the output of generation voltage, the residual vapour of high temperature after the generating is transported to curtain formula seawater heat absorption vacuum generator 28 through its output tube 27, low temperature seawater cooling through 29 inputs of seawater input tube, since its volume dwindle the generation negative pressure, strengthen motive force to generator.Seawater after the heat absorption is transported to subcooling curtain 12 through seawater input tube 15.The residual vapour of curtain formula seawater heat absorption vacuum generator 28 output low temperature is transported to 23 evaporations of curtain formula vaporizer-condenser through refrigeration agent output tube 32 after its output tube 30 is transported to 31 compressions of air compressor refrigeration system, is cooled to refrigeration agent.

Claims

1, a kind of shed curtain type multifuctional solar sea water desalting plant, comprise the seawater body of heating, transparent heat insulating canopy (2), seawater input tube (15), fresh water output tube (14), be characterised in that: its structure is mainly by the seawater curtain (5) of heating, concentrated seawater output tube (19), high temperature seawater transfer lime (17), subcooling chamber (10), seawater discharger (16), hat type transparent heat insulating ceiling (2), skirt at the bottom of the ceiling (8), ceiling bracket (7), subcooling curtain (12), form, corresponding with the solar light irradiation orientation, piling up its horizontal sextant angle on the ground is the mound of 10～90 degree, the tilting seawater curtain (5) of heating on the mound face, heat low side bottom surface one side of curtain (5) of seawater connects concentrated seawater output tube (19), seawater heat the high-end of curtain (5) with partly be embedded in subterranean subcooling chamber (10) sealing and join, the seawater high-end seawater discharger (16) that is equipped with of curtain (5) of heating, join at the heat high-end bottom of curtain (5) and high temperature seawater transfer lime (17) one ends of seawater, the other end of high temperature seawater transfer lime (17) is communicated with subcooling curtain (12) top and joins, subcooling curtain (12) uprightly is housed in subcooling chamber (10), subcooling curtain (12) bottom surface connects seawater input tube (15), the bottom surface of subcooling chamber (10) connects fresh water output tube (14), upper space outside seawater is heated the edge of curtain (5) and subcooling chamber (10) is with ceiling bracket (7) supporting hat type transparent heat insulating ceiling (2), hat type transparent heat insulating ceiling (2) and seawater are heated constitute the soak chamber (1) of sealing between curtain (5), connect skirt (8) at the bottom of the ceiling around the hat type transparent heat insulating ceiling (2), the bottom of skirt at the bottom of the ceiling (8) is buried in ground.

2, by the described shed curtain type multifuctional solar sea water desalting plant of claim 1, it is characterized in that: the described seawater curtain (5) of heating, form by warming plate (18), black light-absorbing counterdie (6), transparent teleblem (9), corresponding with the length and width size of mound, make transparent teleblem (9) up, make a sealing member with black light-absorbing counterdie (6), laterally parallel with mound, on sealing member, be processed with several and isolate mutually and the upper and lower mouthful body arranged side by side (20) that is communicated with, heat at mound and seawater and put warming plate (18) between curtain (5).

3, by the described shed curtain type multifuctional solar sea water desalting plant of claim 1, it is characterized in that: described subcooling chamber (10), by cooling room inner membrance (21), warming plate (18), cooling room support (11), subcooling curtain (12) is formed, corresponding with the heat length of curtain (5) of seawater, make the open upright sealing member of a back cover with cooling room inner membrance (21), and heat at the high-end end of curtain (5) with seawater respectively, top layer connects and composes the cooling room (10) of a sealing, cooling room (10) outside posts warming plate (18) in regular turn, cooling room support (11) is adorned axial subcooling curtain (12) in cooling room (10).

4, by claim 1 or 3 described shed curtain type multifuctional solar sea water desalting plants, it is characterized in that: described subcooling curtain (12) is made up of cooling curtain adventitia (22), cooling curtain support (13), make a sealing member with plastics system adventitia, with the mound parallel longitudinal, on sealing member, be processed with the body arranged side by side (20) that several are isolated mutually and upper and lower mouthful is communicated with, outside sealing member, post cooling curtain support (13).

5, by the described shed curtain type multifuctional solar sea water desalting plant of claim 1, it is characterized in that: described hat type transparent heat insulating ceiling (2), form by ceiling skin (3), inner frame (4), or make sealing member, and be close to ceiling skin (3) inner face and post inner frame (4) with planar ceiling skin (3) with overlay or with transparent organic glass or with transparent glass.

6, by the described shed curtain type multifuctional solar sea water desalting plant of claim 1, it is characterized in that: described ceiling bracket (7), or be made for the plate body support (7) of one or the support made from several pillars (7), when the support made from pillar (7), should post sealing membrane in support (7) outside.

7, by the described shed curtain type multifuctional solar sea water desalting plant of claim 1; It is characterized in that subcooling curtain (12) can also can be couple structure for monomer structure, when seawater input tube (15) and cooling curtain are only arranged at the bottom of subcooling curtain (12) when the monomer structure is plastic drapery, when being couple structure, subcooling curtain (12) is by increasing a metal curtain again and installing side by side except that former plastic drapery, then the bottom of the plastic drapery in the subcooling curtain (12) is connected with curtain formula seawater heat absorption vacuum generator (28) by seawater input tube (15); Metal curtain bottom in the subcooling curtain (12) is connected by the same air compressor of refrigeration agent output tube (32) (31); The top of metal curtain is connected by the same turbo-generator of refrigerant vapour output tube (24) (25).

8, by claim 1 or 7 described shed curtain type multifuctional solar sea water desalting plants; It is characterized in that subcooling curtain (12) wherein metal curtain when the couple structure is a curtain formula vaporizer-condenser (23); Refrigeration agent chance high-temperature water vapor in the curtain formula vaporizer-condenser (23) is heated evaporation generation high-temperature gas when it is condensed into water and is delivered to turbo-generator (25) generating through output terminal (26) output voltage by refrigerant vapour output tube (24), be delivered to curtain formula seawater heat absorption vacuum generator (28) by residual vapour output tube (27) and lower the temperature and deliver to the air compressor refrigeration system by the residual vapour output tube of low temperature and compress to the remaining residual vapour in turbo-generator (25) generating back through the low temperature seawater of seawater input tube (29) input, be cooled to refrigeration agent, deliver to curtain formula vaporizer-condenser through its output tube and produce high-temperature gas by the water vapor heating evaporation.