CN202688029U - Solar photo-thermal sea water desalting device - Google Patents
Solar photo-thermal sea water desalting device Download PDFInfo
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- CN202688029U CN202688029U CN2012202072123U CN201220207212U CN202688029U CN 202688029 U CN202688029 U CN 202688029U CN 2012202072123 U CN2012202072123 U CN 2012202072123U CN 201220207212 U CN201220207212 U CN 201220207212U CN 202688029 U CN202688029 U CN 202688029U
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- sea water
- thermal
- solar energy
- steam
- desalinating plant
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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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- 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
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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
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Abstract
The utility model discloses a solar photo-thermal sea water desalting device which absorbs solar energy to generate steam through a high-magnification reflection focusing solar photo-thermal device, and the steam is utilized as a heat source of sea water desalting. The high-magnification reflection focusing solar photo-thermal device comprises a heat collecting device, a reflection mirror with an area being larger than a heat-absorption area of the heat collecting device, and an automatic tracking sun device which can drive a reflection mirror to track the sun to operate. The heat collecting device is arranged above the reflection mirror to collect sun radiant heat reflected through the reflection mirror to generate high-temperature heat to produce the steam. The steam is sent into the sea water desalting device to manufacture fresh water through connection with the high-magnification reflection focusing energy photo-thermal device and a pipeline of the sea water desalting device. The solar photo-thermal sea water desalting device has the advantages of being high in photo-thermal conversion heat efficiency, high in water-manufacturing rate, compact in structure, simple to install, and low in cost and the like.
Description
Technical field
The utility model belongs to sun power utilization and field of sea water desalting technology, discloses a kind of solar energy optical-thermal sea water desalinating plant.
Background technology
Sun power is the most basic renewable green energy resource, is maximum carbon-free renewable energy source, and is inexhaustible.Renewable clear energy sources can be provided to China and guarantee in the constant situation of GDP growth cheaply, really realizes the practical approach that the carbon emission absolute value reduces, thereby can start immediately the historical progress that renewable energy source substitutes fossil energy on a large scale.This changes Chinese Economic Development Mode, breaks through the 'bottleneck' restrictions of resources and environment and successfully manages climate warming and the Double jeopardy of fossil energy exhaustion accelerating, and all will be significant.But the solar radiation heat flow density is lower, and the yield of radiation fluctuation is larger.
[0003] seawater utilization is one of important measures that solve China's water resources crisis.Wanting water to the sea, want resource, is that the reality that solves coastal (coastal waters) regional shortage of fresh water is selected, and also is to realize with sustainable utilization of water resource, ensures the vital measure of the coastland sustainable development of socio-economy.
[0004] the sea water desaltination glassware for drinking water has the stable characteristics of cleaning, high purity and supply, is safe and reliable higher-grade water source, can be directly as tap water.Sea water desaltination water can be used as the important water source of town dweller's water and island the army and the people's main water source, improves water quality and the fraction of coastal cities and islander's domestic water.
[0005] the Global Seawater desalination techniques surpasses more than 20 kinds at present, comprise reverse osmosis method, low-temperature multi-effect, multistage flash evaporation, electroosmose process, pressure steam distillation, dew point method of evaporation, water-electricity cogeneration, hotting mask coproduction and utilize nuclear energy, wind energy, tidal energy seawater desalination technology etc., and multinomial pre-treatment and the aftertreatment technology such as micro-filtration, ultrafiltration, nanofiltration.From large classification, mainly be divided into distillation method (hot method) and embrane method two large classes, wherein low-temperature multiple-effect distillation, multistage flash evaporation method and reverse osmosis membrane are global mainstream technologys.Reverse osmosis membrane is high to the sea water preprocessing requirement, energy consumption is high.That low-temperature multi-effect has is energy-conservation, sea water preprocessing requires low, desalination water quality advantages of higher, and that the multistage flash evaporation method possesses skills is ripe, reliable, install the advantages such as output is large, but energy consumption is higher.
Summary of the invention
The purpose of this utility model is some the engineering difficult problems in system and the existing high energy consumption desalination technology utilized for the sun power of low heat flow density, provides that a kind of photo-thermal conversion efficiency is high, water generation ratio is high, compact construction, simple installation, solar energy optical-thermal sea water desalinating plant with low cost.
[0007] to achieve these goals, the utility model provides a kind of solar energy optical-thermal sea water desalinating plant, described solar energy optical-thermal sea water desalinating plant absorbs sun power by high magnification reflect focalization solar energy optical-thermal device and produces steam, with the origin of heat of this steam as sea water desaltination; Described high magnification reflect focalization solar energy optical-thermal device, comprise heat collection device, area much larger than the speculum of the endotherm area of heat collection device, can drive the auto-tracking sun device that speculum is followed the tracks of sun running; Described heat collection device is positioned at the top of speculum, thereby produce steam with the solar radiation thermogenesis high temperature heat of collecting mirror reflects, steam is delivered to sea water desalinating plant by the pipeline that connects described high magnification reflect focalization solar energy optical-thermal device and sea water desalinating plant and makes fresh water.
[0008] sea water desalinating plant in the described solar energy optical-thermal sea water desalinating plant comprises interchanger and flashing chamber, and the seawater that is heated by steam in interchanger evaporates in flashing chamber and produces fresh water.
[0009] sea water desalinating plant in the described solar energy optical-thermal sea water desalinating plant comprises spraying evaporator and vaccum-pumping equipment.
[0010] described high magnification reflect focalization solar energy optical-thermal device, its heat collection device is overcoat glass built-in metal pipe, perhaps is the metal tube without glass bushing.Optionally, the heat collection device of outer casing glass tube built-in metal pipe can be evacuated to reduce heat lost by radiation in its Glass tubing.
[0011] described high magnification reflect focalization solar energy optical-thermal device, the another kind of optional mode of the metal tube of its heat collection device is the exotic materials that the outer spraying of metal tube strengthens absorbing radiation, to improve photo-thermal conversion efficiency.
[0012] the heat absorption working medium in the described high magnification reflect focalization solar energy optical-thermal device, its heat collection device can be water, can be medium for other stable performances also.Water by the high warm steam that is heated into of high zoom and focus, is transported to sea water desalinating plant by the pipeline connection in the heat collection device.
[0013] optional, if the heat-absorbing medium in the heat collection device is other media beyond dewatering, can finally produce steam by the interchanger heating water.
[0014] described high magnification reflect focalization solar energy optical-thermal device, its speculum is one or polylith, it is shaped as plane or curved surface.
[0015] optional, described high magnification reflect focalization solar energy optical-thermal device can be paraboloid trough type solar collecting system or disc type solar energy collecting system, perhaps small-sized tower type solar collecting system, perhaps linear Fresnel formula solar thermal collection system.
[0016] described solar energy optical-thermal sea water desalinating plant, its sea water desalinating plant is taked the distillation sea water desalting technology.Optionally, described sea water desalinating plant comprises spraying evaporator and vaccum-pumping equipment.A series of sprinkling falling-film evaporator is together in series, forms multiple-effect evaporator, be condensed into desalination water after the steam that the solar energy optical-thermal device produces and the heat exchange of charging seawater, simultaneously with evaporation of seawater, multiple-effect evaporator non-stop run, continuously output desalination water.
[0017] optional, its sea water desalinating plant also can adopt flash evaporation technology, comprises interchanger and flashing chamber, and the seawater that is heated by steam in interchanger evaporates in flashing chamber and produces fresh water steam, and condenses into fresh water.
[0018] beneficial effect of the utility model embodiment is: drive speculum by autotracker and realize high zoom and focus, thereby the solar radiant heat that will hang down heat flow density gathers in the heat collection device, form high temperature thermogenesis steam, in the distillation sea water desalting device, make fresh water, need not other thermals source in the whole preparing fresh water process, realize that with lower cost price good sun power utilizes effect.
[0019] when in conjunction with the accompanying drawing at first described briefly with reference to once to more detailed description of the present utility model the time, it is more obvious that these and other embodiment of the present utility model, feature and advantage will become for a person skilled in the art.
Description of drawings
Fig. 1 has shown the principle schematic of the utility model solar energy optical-thermal sea water desalinating plant.
[0021] Fig. 2 is the profile schematic diagram of the utility model embodiment linear Fresnel high magnification focused solar energy photo-thermal device.
[0022] Fig. 3 is the structural representation of a kind of embodiment linear Fresnel formula solar thermal collection system of the utility model high magnification reflect focalization solar energy optical-thermal device.
[0023] Fig. 4 is the structural representation of a kind of embodiment disc type solar energy collecting system of the utility model high magnification reflect focalization solar energy optical-thermal device.
[0024] Fig. 5 is the structural representation of the small-sized tower type solar collecting system of a kind of embodiment of the utility model high magnification reflect focalization solar energy optical-thermal device.
[0025] Fig. 6 is the structural representation of a kind of embodiment paraboloid trough type solar collecting system of the utility model high magnification reflect focalization solar energy optical-thermal device.
[0026] Fig. 7 is the structural representation of a kind of embodiment of the utility model sea water desalinating plant.
Embodiment
Below describe in detail and should read with reference to accompanying drawing, wherein identical reference number refers to identical/similar element in all different figure.The accompanying drawing of not necessarily drawing in proportion shows the embodiment of selection and is not intention restriction scope of the present utility model.Detailed description is with for example but not in the mode of restriction principle of the present utility model has been described.This specification sheets obviously will make those skilled in the art can make and utilize the utility model, and describe and comprise of the present utility model some embodiment, remodeling, modification, alternatives and the purposes of thinking at present to carry out optimal mode of the present utility model.
[0028] in addition, it must be noted that, comprise a plurality of referents such as singulative used in this specification and the appended claims " ", " one " and " being somebody's turn to do ", unless context is clearly pointed out in addition.
[0029] the utility model discloses a kind of embodiment of solar energy optical-thermal sea water desalinating plant.Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
[0030] please refer to Fig. 1, Fig. 1 is the principle schematic of the utility model solar energy optical-thermal sea water desalinating plant.Described sea water desalinating plant comprises spraying evaporator 1, sea-water pump 11, vacuum pump 12, seawater spraying pump 13, strong brine pump 14, fresh water pump 7.
[0031] the required origin of heat of sea water desalinating plant connects by main team pipe 4 in the solar energy optical-thermal device, and the steam that is cooled becomes water of condensation, gets back to the vapour generator 25. of solar energy optical-thermal device 2 by service pump 5
[0032] principle of work of described sea water desalinating plant is, spraying evaporator 1 is divided into multistage, and seawater pumps into spraying evaporator 1 by sea-water pump 11, by the steam heating of high magnification reflect focalization solar energy optical-thermal device 2 generations.Cause spraying evaporator 1 internal pressure to be lower than normal atmosphere by described vaccum-pumping equipment vacuum pump 12, seawater is produced steam with lesser temps by the part evaporation in spraying evaporator 1.Steam enters the next stage spraying evaporator successively, and this process repeats to last step always, continuously the output desalination water.The fresh water that produces pump into fresh water tank 6 through fresh water pump 7 and store.
[0033] figure 1 illustrates the principle of high magnification reflect focalization solar energy optical-thermal device.Approximately parallel solar radiation 31,32 is reflected mirror 21 and reflexes in the heat collection device 23.Speculum 21 is driven by auto-tracking sun device 22, follows the tracks of the operation of the sun.The area of speculum 21 forms the high magnification reflect focalization much larger than the absorption area of heat collection device 23 with this.High magnification reflect focalization to the high temperature heat of heat collection device 23 is taken away by the working medium that is pumped into by the recycle pump 24 heat collection device 23 of flowing through, and directly produces water vapor or produce water vapor by indirect heat exchange in vapour generator 25.
[0034] as shown in Figure 2, be the profile schematic diagram of the utility model embodiment linear Fresnel high magnification focused solar energy photo-thermal device.Speculum 21 is comprised of polylith plane mirror or curved mirror, is driven by auto-tracking sun device 22, follows the tracks of the operation of the sun, thereby sunlight 31,32 reflections of parallel incident are gathered in the heat collection device 23.Heat collection device 23 is positioned at the top of speculum 21.The heat of collecting in the heat collection device 23 produces high-temperature steam in vapour generator 25, and is delivered to by main team pipe 4 in the spraying evaporator 1 of described sea water desalinating plant.
[0035] described high magnification reflect focalization solar energy optical-thermal device has multiple Transform Type design, and the remodeling of easily realizing in 4 has been shown among Fig. 3, Fig. 4, Fig. 5, Fig. 6.
[0036] in a kind of Transform Type design of the high magnification reflect focalization solar energy optical-thermal device described in the utility model, as shown in Figure 3, is linear Fresnel formula solar thermal collection system.Speculum 201 is comprised of polylith long strip shape minute surface, the turning axle of every minute surface tracking sun operation is parallel to each other, parallel incident sunlight 31,32 reflections are gathered in the heat collection device that is comprised of reflection cavity 202 and thermal-collecting tube 203, realize high magnification reflect focalization thermal-arrest.As shown in the figure, thermal-collecting tube 203 is that one or more are without the metal tube of glass bushing.Optionally, thermal-collecting tube 203 skins can spray the exotic materials that strengthens absorbing radiation, to improve photo-thermal conversion efficiency.
[0037] in the another kind of Transform Type design of the high magnification reflect focalization solar energy optical-thermal device described in the utility model, as shown in Figure 4, be the disc type solar energy collecting system, the speculum 204 that the polylith different angles are arranged is arranged on the support of whole as dish, and sunlight 31,32 reflections of parallel incident are focused in the heat collection device 205.
[0038] in the another kind of Transform Type design of the high magnification reflect focalization solar energy optical-thermal device described in the utility model, as shown in Figure 5, be small-sized tower type solar collecting system, the speculum 206 that the polylith different angles are arranged is focused to sunlight 31,32 reflections of parallel incident and is arranged in the fixing turriform of central authorities and props up in the heat collection device 207 of top of the trellis.
[0039] in the another kind of Transform Type design of the high magnification reflect focalization solar energy optical-thermal device described in the utility model, as shown in Figure 6, be the paraboloid trough type solar collecting system, paraboloid trough type speculum 208 is focused to sunlight 31,32 reflections of parallel incident in the heat collection device that is arranged in parabolic focal line position, and described heat collection device is comprised of metal tube 210 and outer field Glass tubing 209.Optionally, can be evacuated to reduce heat lost by radiation between metal tube 210 and the outer field Glass tubing 209.Optionally, thermal-collecting tube 210 skins can spray the exotic materials that strengthens absorbing radiation, to improve photo-thermal conversion efficiency.
[0040] as described in Figure 7, be the structural representation of a kind of Transform Type design of the sea water desalinating plant described in the utility model, this structure is the multistage flash evaporation seawater desalting device.Sea-water pump 104 pumps into seawater in flashing chamber 101 and the interchanger 102, main team pipe 4 is introduced the steam that described high magnification reflect focalization solar energy optical-thermal device 2 produces in the interchanger 102, with heating of seawater, steam condensate returns high magnification reflect focalization solar energy optical-thermal device 2 by service pump 5.The flashing chamber 101 interior pressure that caused by the vacuum pump 103 in the vaccum-pumping equipment are lower than normal atmosphere, and heated seawater produces fresh water steam in flashing chamber 101 vaporized in part, and the fresh water vapor condenses becomes fresh water to inject fresh water tanks 105 via fresh water pump 106.Unevaporated strong brine enters the sea by strong brine pump 107.
[0041] compared with prior art, the utility model is implemented sea water desaltination with high magnification reflect focalization solar energy optical-thermal device as origin of heat, and high for the utilization ratio of solar radiant heat, steam parameter is high, the water generation ratio that can improve sea water desalinating plant is high, and single unit system running cost is lower.
[0042] although the utility model discloses as above with preferred embodiment, the utility model is not to be defined in this.Any those skilled in the art within not breaking away from spirit and scope of the present utility model, all can do various changes and modification, and therefore protection domain of the present utility model should be as the criterion with the claim limited range.
[0043] disclosure of the present utility model is illustrative and not restrictive.According to present disclosure, to those skilled in the art, more remodeling become apparent, and these remodeling will be included in the scope of claims.
Claims (2)
1. solar energy optical-thermal sea water desalinating plant is characterized in that: described solar energy optical-thermal sea water desalinating plant absorbs sun power by high magnification reflect focalization solar energy optical-thermal device and produces steam, with the origin of heat of this steam as sea water desaltination; Described high magnification reflect focalization solar energy optical-thermal device, comprise heat collection device, area much larger than the speculum of the endotherm area of heat collection device, can drive the auto-tracking sun device that speculum is followed the tracks of sun running; Described heat collection device is positioned at the top of speculum, thereby produce steam with the solar radiation thermogenesis high temperature heat of collecting mirror reflects, steam is delivered to sea water desalinating plant by the pipeline that connects described high magnification reflect focalization solar energy optical-thermal device and sea water desalinating plant and makes fresh water.
2. solar energy optical-thermal sea water desalinating plant according to claim 1 is characterized in that: described sea water desalinating plant, comprise interchanger and flashing chamber, and the seawater that is heated by steam in interchanger evaporates in flashing chamber and produces fresh water.
3. solar energy optical-thermal sea water desalinating plant according to claim 1, it is characterized in that: described sea water desalinating plant comprises spraying evaporator and vaccum-pumping equipment.
4. solar energy optical-thermal sea water desalinating plant according to claim 1, it is characterized in that: described heat collection device is overcoat glass built-in metal pipe, perhaps is the metal tube without glass bushing.
5. solar energy optical-thermal sea water desalinating plant according to claim 1, it is characterized in that: speculum is one or polylith, and it is shaped as plane or curved surface.
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| CN2012202072123U CN202688029U (en) | 2012-05-10 | 2012-05-10 | Solar photo-thermal sea water desalting device |
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| CN2012202072123U CN202688029U (en) | 2012-05-10 | 2012-05-10 | Solar photo-thermal sea water desalting device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103288158A (en) * | 2013-06-07 | 2013-09-11 | 中国科学院工程热物理研究所 | High efficiency solar energy sea water desalting device |
| CN104016431A (en) * | 2013-02-28 | 2014-09-03 | 刘文晏 | Solar sea water desalination device |
| WO2014172859A1 (en) * | 2013-04-24 | 2014-10-30 | Liou Wen Yen | Solar sea water desalinating apparatus |
| CN104628067A (en) * | 2014-12-26 | 2015-05-20 | 皇明太阳能股份有限公司 | Solar-powered seawater desalination device, stove combined device and using method thereof |
| CN106915790A (en) * | 2017-03-20 | 2017-07-04 | 北京理工大学 | A kind of liquid-filled flexible optically focused solar energy sea water desalination apparatus under water |
| CN107720863A (en) * | 2017-11-13 | 2018-02-23 | 华北电力大学 | A kind of groove type solar sea water desalinating unit based on film distillation |
| CN109973963A (en) * | 2017-12-27 | 2019-07-05 | 云南师范大学 | One kind being based on plane mirror reflection enhancement heat-collected solar energy vapor generation system |
| CN111717950A (en) * | 2019-03-19 | 2020-09-29 | 内蒙古工业大学 | Solar seawater desalination device |
| CN114920313A (en) * | 2022-05-31 | 2022-08-19 | 石河子大学 | Sunflower-tracking heat-collecting corrugated paper-based solar interface water desalination device |
-
2012
- 2012-05-10 CN CN2012202072123U patent/CN202688029U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016431A (en) * | 2013-02-28 | 2014-09-03 | 刘文晏 | Solar sea water desalination device |
| CN104016431B (en) * | 2013-02-28 | 2016-01-13 | 刘文晏 | Solar energy sea water desalination apparatus |
| WO2014172859A1 (en) * | 2013-04-24 | 2014-10-30 | Liou Wen Yen | Solar sea water desalinating apparatus |
| CN103288158A (en) * | 2013-06-07 | 2013-09-11 | 中国科学院工程热物理研究所 | High efficiency solar energy sea water desalting device |
| CN103288158B (en) * | 2013-06-07 | 2014-10-29 | 中国科学院工程热物理研究所 | High efficiency solar energy sea water desalting device |
| CN104628067A (en) * | 2014-12-26 | 2015-05-20 | 皇明太阳能股份有限公司 | Solar-powered seawater desalination device, stove combined device and using method thereof |
| CN106915790A (en) * | 2017-03-20 | 2017-07-04 | 北京理工大学 | A kind of liquid-filled flexible optically focused solar energy sea water desalination apparatus under water |
| CN106915790B (en) * | 2017-03-20 | 2020-01-21 | 北京理工大学 | Liquid-filled flexible light-gathering underwater solar seawater desalination device |
| CN107720863A (en) * | 2017-11-13 | 2018-02-23 | 华北电力大学 | A kind of groove type solar sea water desalinating unit based on film distillation |
| CN109973963A (en) * | 2017-12-27 | 2019-07-05 | 云南师范大学 | One kind being based on plane mirror reflection enhancement heat-collected solar energy vapor generation system |
| CN111717950A (en) * | 2019-03-19 | 2020-09-29 | 内蒙古工业大学 | Solar seawater desalination device |
| CN111717950B (en) * | 2019-03-19 | 2022-06-17 | 内蒙古工业大学 | Solar seawater desalination device |
| CN114920313A (en) * | 2022-05-31 | 2022-08-19 | 石河子大学 | Sunflower-tracking heat-collecting corrugated paper-based solar interface water desalination device |
| CN114920313B (en) * | 2022-05-31 | 2023-08-25 | 石河子大学 | Sunflower tracking type heat collection corrugated paper-based solar energy interface water desalination device |
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Granted publication date: 20130123 Termination date: 20190510 |