CN207632539U - A kind of groove type solar desalination plant based on film distillation - Google Patents
A kind of groove type solar desalination plant based on film distillation Download PDFInfo
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- CN207632539U CN207632539U CN201721506727.2U CN201721506727U CN207632539U CN 207632539 U CN207632539 U CN 207632539U CN 201721506727 U CN201721506727 U CN 201721506727U CN 207632539 U CN207632539 U CN 207632539U
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- seawater
- membrane module
- groove type
- arc
- thermal
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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
-
- 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 kind of groove type solar desalination plants based on film distillation for belonging to field of seawater desalination.Exist for current main-stream desalination with Solar Energy (such as flash distillation of solar energy multiple-effect evaporation, solar energy multi-stage, solar energy reverse osmosis) and invests the limitations such as high, solar thermal utilization rate is not high, system and device efficiency is low, the solar energy that thermal energy emits from Trough Concentrating System needed for sea water by distillation in the utility model.Solar energy reflection focuses on the arc-shaped thermal-collecting tube in membrane module, to the heating of seawater of Bottomhole pressure.After seawater is heated in thermal-collecting tube, hydrophobic distillation film both sides are since there are the temperature difference to form steam pressure difference in membrane module.Due to the effect of both sides differential pressure of membrane, the moisture in seawater will penetrate hydrophobic membrane pores in vapour form, and water vapor stream is formed in another wing passage of hydrophobic membrane.Water vapour condensation finally be can be obtained into liquid fresh water, be collected in fresh water tank.
Description
Technical field
The utility model belongs to field of seawater desalination, and in particular to a kind of groove type solar seawater based on film distillation is light
Makeup is set.
Background technology
Desalination technology is inherently to pass through certain physical process, chemical mistake by specific device and equipment
Journey or physical and chemical process, by the technology of salinity and moisture separation in seawater.Concrete operations are existing taken out from seawater it is light
Water can also deviate from the salinity in seawater to obtain fresh water.Nowadays, two kinds of technologies of Re Fa and embrane method have become sea water desalination skill
Two important dominant technical approach of art, multistage flash distillation, low temperature multiple-effect distillation and the way of distillation of calming the anger are the three of hot method sea water desalination
Big main method.Although multi-stage flash evaporation technology technology maturation is reliable and does not need sea water preprocessing, to the operation temperature of system
More demanding, energy consumption is very big, process is complicated, equipment investment is larger.Low temperature multiple-effect distillation has that operation temperature is low, pre- to locate
Simple advantage is managed, but device structure is complicated, investment is larger.And the power consumption for the way of distillation of calming the anger is high, cost is also very big.
Three big main methods of Membrane seawater desalination are reverse osmosis, electrodialysis and membrane distillation respectively.Hyperfiltration has good separating effect, fits
With the advantages that range is wide, equipment is simple, but membrane module is fragile, and running cost is high, and electrodialytic energy consumption is too high, effect not
It is good.Membrane distillation has that rejection is high, operation temperature is low, and device structure is simple, the advantages that capable of handling high-concentration waste water.
World energy sources crisis and water resources shortage are on the rise, and desalination technology becomes the hot spot of current research, but profit
Carrying out sea water desalination with conventional energy resource, not only investment cost is high, moreover, aggravating energy shortage, simultaneously.Therefore, using renewable clear
The clean energy, such as solar energy realize that sea water desalination will become the important directions of desalination technology development.
Current main-stream desalination with Solar Energy (such as flash distillation of solar energy multiple-effect evaporation, solar energy multi-stage, solar energy simultaneously
It is reverse osmosis etc.) there are the limitations such as investment is high, solar thermal utilization rate is not high, pollutant emission is serious, system and device efficiency is low,
And the problems such as facing infiltration embrane method high energy consumption, production water quality low deficiency.
Utility model content
The problem of the purpose of the utility model is to overcome existing sea water desalinations provides a kind of based on embrane method steaming
The groove type solar desalination plant evaporated, which is characterized in that including：Thermal-arrest purifier, condenser, fresh water collecting tank, sea
Penstock, circulating pump, expanding machine and generator；Wherein thermal-arrest purifier includes membrane module；The seawater inlet of condenser passes through
Pipeline is communicated with nature seawater；The seawer outlet of condenser is connected to film in thermal-arrest purifier by seawater valve and circulating pump
The concentrated seawater outlet of the seawater inlet pipeline of component lower left, membrane module lower right is connect with the inlet valve of expanding machine, swollen
The outlet valve of swollen machine is connected with the external world, and generator is connected with expanding machine, and the electric power input of circulating pump and the electric power of generator export
It is connected with external electrical network；The fresh water steam outlet pipe of membrane module upper left is connected with the entrance of cooling coil in condenser.
The thermal-arrest purifier includes：Membrane module, groove type parabolic mirror, two receiver holders, small transmitting mirror
Supporting rack, big transmitting mirror supporting rack and transmitting mirror support shaft, medium and small transmitting mirror supporting rack and big transmitting mirror supporting rack are mutually flat
Row is set on level ground, and the both ends of transmitting mirror support shaft are supported with the top of small transmitting mirror supporting rack and big transmitting mirror respectively
The top of frame connects, and groove type parabolic mirror is installed in transmitting mirror support shaft, and groove type parabolic mirror is around transmitting mirror
Support shaft rotates；The upper and lower ends of two receiver holders are connect with transmitting mirror support shaft and membrane module respectively；Wherein membrane module
In arc-shaped thermal-collecting tube circular arc side to groove type parabolic mirror.
Preferably, the height of big transmitting mirror supporting rack described in the height ＜ of the small transmitting mirror supporting rack.
The membrane module includes：Water vapour pipeline, hydrophobic distillation film, arc-shaped thermal-collecting tube, fresh water steam outlet pipe, seawater
Membrane module is divided into the steam pipe of top by entrance pipe and concentrated seawater outlet wherein hydrophobic distillation film is installed in membrane module
The arc-shaped thermal-collecting tube two parts in road and lower section；Water vapour pipeline is the compo pipe that section is groove type or arc, arc-shaped
Thermal-collecting tube is that section is arc or the bimetallic tube of D-shaped, wherein the inner tube of arc-shaped thermal-collecting tube is metal tube, seawater is walked in pipe；Outside
Pipe is glass tube, is vacuumized between outer tube and inner tube；The tube wall of water vapour pipeline and arc-shaped thermal-collecting tube is affixed, both ends alignment,
With outside the left and right ends of arc-shaped thermal-collecting tube, fresh water steam outlet pipe is installed for installation respectively for seawater inlet pipeline and concentrated seawater outlet
In outside the left end of water vapour pipeline, it is located at membrane module homonymy with seawater inlet pipeline.
The fresh water steam outlet pipe and the small transmitting mirror supporting rack are located at the homonymy of thermal-arrest purifier.
The utility model has the beneficial effects that：
1, the utility model combines the advantage of hot method sea water desalination and Membrane seawater desalination, directly utilizes groove type solar
Heat collector is by heating of seawater, and membrane distillation occurs in membrane module and obtains fresh water steam for the seawater after heating, finally by fresh water steam
Condensation obtains liquid fresh water.
2, for the present apparatus in addition to using solar energy, zero energy consumption, effective exploitation and profit may be implemented in desalting process substantially
Sea water desalination new technology is coupled with the hotting mask of renewable and clean energy resource solar energy, keeps the utilization of energy more rationally effective；
3, the investment of the present apparatus is small, low energy consumption, simple in structure, easy to maintain, strong applicability, production water quality height, and possesses
Wide Prospects of Sustainable Development.
Description of the drawings
Fig. 1 be a kind of connection of the groove type solar desalination plant embodiment based on film distillation of the utility model with
Flow diagram；
Fig. 2 is the structural schematic diagram of thermal-arrest purifier in embodiment；
Fig. 3 is the structural schematic diagram of membrane module in embodiment；
In figure：103- condensers, 104- fresh water collecting tanks, 105- seawater valves, 106- circulating pumps, 107- expanding machines,
108- generators, 201- membrane modules, 202- groove type parabolic mirrors, two receiver holders of 203-, the small transmitting mirror branch of 204-
Support, the big transmitting mirror supporting racks of 205-, 206- transmitting mirror support shafts, 301- water vapour pipelines, the hydrophobic distillation films of 302-, 303- circles
Arc thermal-collecting tube, 304- fresh water steam outlet pipes, 305- seawater inlet pipelines, the outlet of 306- concentrated seawaters.
Specific implementation mode
The utility model provides a kind of groove type solar desalination plant based on film distillation, below in conjunction with the accompanying drawings
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, a kind of groove type solar desalination plant based on film distillation of the utility model includes film group
Part 201, groove type parabolic mirror 202, fresh water steam outlet pipe 304, seawater inlet pipeline 305, concentrated seawater outlet 306, it is cold
Condenser 103, fresh water collecting tank 104, seawater valve 105, circulating pump 106, expanding machine 107 and generator 108；Wherein condenser
103 seawater inlet is communicated by pipeline with nature seawater；103 seawer outlet by seawater valve 105 and circulating pump 106 with
The seawater inlet pipeline 305 of 201 lower left of membrane module is connected, the concentrated seawater of 201 lower right of membrane module outlet 306 with it is swollen
The inlet valve of swollen machine 107 connects, and the outlet valve of expanding machine 107 is connected with the external world；Expanding machine 107 is by 306 discharge of concentrated seawater outlet
Concentrated seawater push acting, generator 108 is connected with expanding machine 107 to absorb the external work that expanding machine 107 is spread out of, generator
108 electric power output is connected with the electric power input of circulating pump 106；Electric energy needed for circulating pump 106 can both pass through external electrical network
Input can also coaxially drive the power generation of generator 108 to obtain by expanding machine 107.The fresh water steam of 201 upper left of membrane module
Outlet 304 is connected with the entrance of cooling coil in condenser 103, the outlet of cooling coil and fresh water collecting in condenser 103
Tank 104 is connected, and condenser 103 uses seawater as cooling medium, and is driven into thermal-collecting tube by circulating pump 106；Membrane module
The circular arc side of lower section in 201, towards groove type parabolic mirror 202, solar energy reflection is focused on film by Trough Concentrating System
On arc-shaped thermal-collecting tube 303 in component, to the heating of seawater flowed in arc-shaped thermal-collecting tube 303, to provide sea water by distillation
Required thermal energy；
The workflow of the present embodiment purged with fresh water is：Under the action of circulating pump 106, seawater quilt from condenser 103
It is transported in the arc-shaped thermal-collecting tube 303 of 102 lower section of membrane module；Seawater is under the action of groove type parabolic mirror 202 later
It is heated and is boosted, since the temperature difference makes about 302 both sides of distillation film form pressure difference.Under differential pressure action, downside (high temperature side) sea
Moisture in water is in vapour form through the hydrophobic pores of hydrophobic distillation film 302, to obtain water vapour；Water vapour is by membrane module
102 jet chimney enters the cooling coil in condenser 103, by the lower seawater condensing of temperature, forms fresh water, finally will be cold
But the fresh water that coil pipe gathers is concentrated to fresh water collecting tank 104；Concentrated seawater after distillation is dense on the right side of arc-shaped thermal-collecting tube 303
Seawer outlet 306 is expelled to expanding machine 107, and the external work that subsequent expanding machine 107 is spread out of drives generator 108 to generate electric power；It follows
Electric energy needed for ring pump 106 is generated by generator 108 or is inputted by external electrical network.
As shown in Fig. 2, thermal-arrest purifier includes：202, two membrane module 201, groove type parabolic mirror receiver branch
Frame 203, small transmitting mirror supporting rack 204, big transmitting mirror supporting rack 205 and transmitting mirror support shaft 206, medium and small transmitting mirror supporting rack
204 and big transmitting mirror supporting rack 205 it is arranged in parallel on level ground, the both ends of transmitting mirror support shaft 206 respectively with it is small
The top of transmitting mirror supporting rack 204 is connected with the top of big transmitting mirror supporting rack 205, transmitting mirror support shaft 206 and horizontal plane at
Certain angle, groove type parabolic mirror 202 are installed in transmitting mirror support shaft 206, according to system context and reality
Border requires groove type parabolic mirror 202 that can be rotated around transmitting mirror support shaft 206, the height of small transmitting mirror supporting rack 204
The height of the big transmitting mirror supporting racks of ＜ 205, so that groove type parabolic mirror 202 and membrane module 201 are horizontal by one
Fixed angle of inclination, vapor and the fresh water condensed in advance can naturally flow into condenser 103；Two receiver holders 203
Upper and lower ends connect respectively with transmitting mirror support shaft 206 and membrane module 201；Wherein arc-shaped thermal-collecting tube 303 in membrane module 201
Circular arc side to groove type parabolic mirror 202.
As shown in figure 3, membrane module 201 is by water vapour pipeline 301, distillation film 302, arc-shaped thermal-collecting tube 303, fresh water steam
306 composition of outlet 304, seawater inlet pipeline 305 and concentrated seawater outlet, wherein distillation film 302 steams for high molecular hydrophobic micropore
It evaporates film and is installed in membrane module 201, divide membrane module 201 to the water vapour pipeline 301 for top and the arc-shaped thermal-arrest of lower section
303 two parts of pipe, the both sides up and down of hydrophobic distillation film 302 are due to temperature difference formation steam pressure difference；Moisture in seawater is because of pressure difference
Vapor form is acted on through the hole in hydrophobic distillation film 302, in the water vapour pipeline 301 of 302 other side of hydrophobic distillation film
Form water vapor stream；Water vapour pipeline 301 is the metal tube that section is groove type or arc, and arc-shaped thermal-collecting tube 303 is to cut
Face is arc or the bimetallic tube of D-shaped, and wherein inner tube uses metal tube, walks seawater in pipe, and inner tube applies coating for selective absorption outside
(such as copper oxide, black nickel, black chromium, black zinc, black copper), outer tube is glass tube, is vacuumized between outer tube and inner tube, and slot light collection is anti-
It is that membrane module 201 provides thermal energy that mirror 202, which is penetrated, by the arc-shaped thermal-collecting tube 303 that solar energy reflection focuses in membrane module 201, to circle
The seawater flowed in arc thermal-collecting tube 303 is heated；The tube wall of water vapour pipeline 301 and arc-shaped thermal-collecting tube 303 is affixed, and two
End alignment, seawater inlet pipeline 305 and concentrated seawater outlet 306 are installed outside the left and right ends with arc-shaped thermal-collecting tube 303 respectively, light
Steam outlet pipe 304 is installed on outside the left end of water vapour pipeline 301, and it is same to be located at membrane module 201 with seawater inlet pipeline 305
Side.
Claims (5)
1. a kind of groove type solar desalination plant based on film distillation, which is characterized in that including：Thermal-arrest purifier,
Condenser (103), fresh water collecting tank (104), seawater valve (105), circulating pump (106), expanding machine (107) and generator
(108)；The seawater inlet of condenser (103) is communicated by pipeline with nature seawater；The seawer outlet of condenser (103) passes through sea
Penstock (105) and circulating pump (106) are connected to the seawater inlet pipeline of membrane module (201) lower left in thermal-arrest purifier
(305), the concentrated seawater outlet (306) of membrane module (201) lower right is connect with the inlet valve of expanding machine (107), expanding machine
(107) outlet valve is connected with the external world, and generator (108) is connected with expanding machine (107), the electric power input of circulating pump (106) with
The electric power output of generator (108) is connected with external electrical network；The fresh water steam outlet pipe (304) of membrane module (201) upper left
It is connected with the entrance of cooling coil in condenser (103).
2. a kind of groove type solar desalination plant based on film distillation according to claim 1, which is characterized in that institute
Stating thermal-arrest purifier includes：Membrane module (201), groove type parabolic mirror (202), two receiver holders (203), small hairs
Penetrate mirror supporting rack (204), big transmitting mirror supporting rack (205) and transmitting mirror support shaft (206), medium and small transmitting mirror supporting rack
(204) and big transmitting mirror supporting rack (205) is arranged in parallel on level ground, and the both ends of transmitting mirror support shaft (206) are divided
It is not connect with the top at the top of small transmitting mirror supporting rack (204) and big transmitting mirror supporting rack (205), groove type parabolic mirror
(202) it is installed in transmitting mirror support shaft (206), groove type parabolic mirror (202) is revolved around transmitting mirror support shaft (206)
Turn；The upper and lower ends of two receiver holders (203) are connect with transmitting mirror support shaft (206) and membrane module (201) respectively；Wherein
The circular arc side of arc-shaped thermal-collecting tube (303) is to groove type parabolic mirror (202) in membrane module (201).
3. a kind of groove type solar desalination plant based on film distillation according to claim 2, which is characterized in that institute
State the height of big transmitting mirror supporting rack (205) described in the height ＜ of small transmitting mirror supporting rack (204).
4. a kind of groove type solar desalination plant based on film distillation according to claim 2, which is characterized in that institute
It states fresh water steam outlet pipe (304) in small transmitting mirror supporting rack (204) and membrane module (201) and is located at the same of thermal-arrest purifier
Side.
5. a kind of groove type solar desalination plant based on film distillation according to claim 1, which is characterized in that institute
Stating membrane module (201) includes：Water vapour pipeline (301), hydrophobic distillation film (302), arc-shaped thermal-collecting tube (303), fresh water steam
Outlet (304), seawater inlet pipeline (305) and concentrated seawater outlet (306), wherein hydrophobic distillation film (302) is installed on film group
In part (201), membrane module (201) is divided into the arc-shaped thermal-collecting tube (303) two of the water vapour pipeline (301) and lower section of top
Part；Water vapour pipeline (301) is the metal tube that section is groove type or arc, and arc-shaped thermal-collecting tube (303) is that section is
The bimetallic tube of arc or D-shaped, wherein the inner tube of arc-shaped thermal-collecting tube (303) is metal tube；Outer tube is glass tube, outer tube and inner tube
Between vacuumize；The tube wall of water vapour pipeline (301) and arc-shaped thermal-collecting tube (303) is affixed, both ends alignment, seawater inlet pipeline
(305) it is respectively arranged in outside the left and right ends of arc-shaped thermal-collecting tube (303) with concentrated seawater outlet (306), fresh water steam outlet pipe
(304) it is installed on outside the left end of water vapour pipeline (301), and is located at membrane module (201) homonymy with seawater inlet pipeline (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721506727.2U CN207632539U (en) | 2017-11-13 | 2017-11-13 | A kind of groove type solar desalination plant based on film distillation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721506727.2U CN207632539U (en) | 2017-11-13 | 2017-11-13 | A kind of groove type solar desalination plant based on film distillation |
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| Publication Number | Publication Date |
|---|---|
| CN207632539U true CN207632539U (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721506727.2U Expired - Fee Related CN207632539U (en) | 2017-11-13 | 2017-11-13 | A kind of groove type solar desalination plant based on film distillation |
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| CN (1) | CN207632539U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165911A (en) * | 2018-10-17 | 2021-07-23 | S·玛娜 | Water desalination system |
| CN114940522A (en) * | 2022-05-31 | 2022-08-26 | 中国科学院电工研究所 | Solar interface evaporation seawater desalination system based on compound parabolic light condensation |
-
2017
- 2017-11-13 CN CN201721506727.2U patent/CN207632539U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165911A (en) * | 2018-10-17 | 2021-07-23 | S·玛娜 | Water desalination system |
| CN113165911B (en) * | 2018-10-17 | 2023-06-20 | S·玛娜 | Water desalination system |
| CN114940522A (en) * | 2022-05-31 | 2022-08-26 | 中国科学院电工研究所 | Solar interface evaporation seawater desalination system based on compound parabolic light condensation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20191113 |