A kind of desalination plant using solar energyTechnical field
The utility model belongs to field of renewable energy, specially a kind of desalination plant using solar energy.
Background technique
Currently, global water resources shortage problem is serious, in order to solve this problem, engineers are found out Dam Construction or are openedUnderground water is sent out, then Dam Construction needs to expend a large amount of manpower, fund, time；And tap ground water resources, it be easy to cause underground waterThe problems such as pollution, depletion of groundwater；It is estimated that on the earth about 13.8 hundred million cubes kms water, wherein there are about 96.5% for seaWater, fresh water only have 35,000,000 cubes of kms or so, if deducting the ice cap on the glacier and high mountain top that can not be taken, and are distributed in1% of water less than earth total Water in the water of salt alkali lake and inland sea, land fresh water lake and river；Therefore light in order to solveThe problem of water resources shortage, it is necessary to carry out the technical research that seawater resources utilize technology and sea water desalination solution.
Utility model content
The purpose of this utility model is to provide a kind of desalination plants using solar energy, for desalinizing seawater, withMeet the daily water consumption demand of people, the desalination plant is by solar powered, with beneficial effects such as energy conservation and environmental protections.
To achieve the above object, the utility model provides the following technical solutions: a kind of sea water desalination dress using solar energyIt sets, including main body, a solar panel is mounted on the upper end of main body, and the upper half of the main body is equipped with for collecting seawaterSea water passage and condensation water tank, lower half are freshwater storage device；Sea water passage is separated into first passage by the condensation water tankAnd second channel, second channel are located at below first passage, the first passage and second channel are interconnected, and connectivity part is equipped withThe control valve of one control seawater flow, the second channel is interior to be equipped with several heating rods powered by solar panel, instituteThe lower end surface for stating condensation water tank is the waterproof ventilated membrane only passed through for vapor, and the waterproof ventilated membrane is as second channelUpper wall；The upper end of one fresh water delivery pipe passes perpendicularly through waterproof ventilated membrane and is passed through in condensation water tank, under the fresh water delivery pipeEnd is passed through in freshwater storage device.
Preferably, the first passage is equipped with the water inlet flowed into for seawater, and the second channel is equipped with to flow out for seawaterWater outlet, the inlet and outlet are equipped with valve.
Preferably, the desalination plant further includes a spraying device, and the spraying device passes through a seawater delivery pipeRoad is connected with water outlet, and the sea water conveying pipelines are equipped with the sea water pump powered by solar panel, the spraying dressIt is equipped with one at a certain distance from immediately below setting and shines salt pond.
Preferably, the bottom of the freshwater storage device is equipped with fresh water discharge outlet, and the fresh water discharge outlet is equipped with valve.
With prior art ratio, the utility model has the following beneficial effects:
1, the utility model is heating rod power supply by solar panel, realizes to the heating evaporation of seawater, ranNon-pollution discharge in journey has good energy conservation and environmental protection benefit.
2, the utility model is built simple, and the fund of consuming is few, and low energy consumption, has good economical and energy saving benefit.
3, the heat generated when the utility model can effectively be generated electricity using solar panel carries out pre-add to seawaterHeat improves the heating efficiency of heating rod.
4, the utility model can effectively cool down to solar panel using seawater, improve solar panelGenerating efficiency, prolong the service life.
5, the residual seawater that the utility model can efficiently use after heated evaporation produces crude salt, improves the utilization of seawaterEfficiency.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the desalination plant using solar energy of the utility model；
Fig. 2 is a kind of schematic diagram of the part of evaporating brine of the desalination plant using solar energy of the utility model.
Appended drawing reference indicates in figure are as follows: 1 main body, 2 sea water passages, 3 freshwater storage devices, 4 solar panels, 5 heatingStick, 6 condensation water tanks, 7 fresh water delivery pipes, 8 sea water pumps, 21 first passages, 22 second channels, 23 control valves, 31 fresh water discharge outlets,Salt pond, 83 sea water conveying pipelines, 211 water inlets, 221 water outlets are shone in 61 waterproof ventilated membranes, 81 spraying devices, 82.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out clearly the technical solution in the utility model implementationChu is fully described by, it is clear that the embodiment of description is only the utility model a part of the embodiment, rather than whole implementationExample.
Referring to Fig. 1-2, a kind of desalination plant using solar energy, including main body 1, the upper half of the main body 1 are setThere are the sea water passage 2 for collecting seawater and a condensation water tank 6 for the vapor that liquefies, the condensation water tank 6 is by sea water passage 2It is separated into first passage 21 and second channel 22, the second channel 22 is located at 21 lower section of first passage, the first passage 21It is interconnected with second channel 22, connectivity part is equipped with the control valve 23 of a control seawater flow, and the first passage 21, which is equipped with, to be suppliedThe water inlet 211 that seawater flows into, the second channel 22 are equipped with the water outlet 221 that flow out for seawater, the water inlet 211 and outThe mouth of a river 221 is equipped with valve；The lower half of the main body 1 is freshwater storage device 3, and the bottom of the freshwater storage device 3 is setThere is fresh water discharge outlet 31, the fresh water discharge outlet 31 is equipped with valve；The upper end of the main body 1 is equipped with solar panel 4, whenWhen seawater flows into first passage 21, seawater can cool down to the bottom of solar panel 4, improve solar panel 4Generating efficiency and prolong the service life, while the thermal energy that generates can carry out pre-add to seawater when solar panel 4 generates electricityHeat；Several heating rods 5 powered by solar panel 4 are equipped in the second channel 22, the heating rod 5, which has, to be usedService life is long, and electric heating conversion efficiency is high, the excellent properties such as health environment-friendly, the heating rod 5 specifically can be carbon fiber heating stick orCommon heating rod, the heating rod 5 heat seawater to silicon carbide heating rod etc. in the market, because seawater passes through solar-electricityThe preheating of pond plate 4 reaches boiling point after seawater is heated so heating rod 5 greatly improves the efficiency of heating of seawaterGenerate vapor；The top of heating rod 5 is arranged in 6 fixed range of condensation water tank, and the lower end surface of the condensation water tank 6 is onlyFor the waterproof ventilated membrane 61 that vapor passes through, upper wall and permission vapor of the waterproof ventilated membrane 61 as second channel 22Enter condensation water tank 6 through film, to improve filter efficiency, the waterproof ventilated membrane 61 can be by polytetrafluoroethylene (PTFE) or poly-Amide (PA) formation, wherein polytetrafluoroethylene (PTFE) has chemical inertness almost, thermal resistance, non-sticky, excellentInsulate stability and low-friction coefficient, and the aperture of the waterproof ventilated membrane 61 can be from tens microns to about 0.001 micron, thickness10 microns are about, the fresh water after the condensation water tank 6 liquefies vapor is transported to freshwater storage device through fresh water delivery pipe 73；The bottom of the freshwater storage device 3 is equipped with fresh water discharge outlet 31, and the fresh water discharge outlet 31 is equipped with valve；Residual seawaterIt is delivered to spraying device 81 after water outlet 221 is discharged and pressurizes by the sea water pump 8 on sea water conveying pipelines 83, it is described sprayingDevice 81 by seawater be sprayed to immediately below solarization salt pond 82, the spraying device 81 and the difference in height for shining salt pond 82 be greater than 2 meters andLess than 3 meters, the solarization salt pond 82 obtains crude salt by shining upon evaporation seawater.
Working principle of the utility model is: solar panel 4 absorbs solar power generation, heating rod 5 is supplied electricity to；Seawater fromWater inlet 211 enters the first passage 21 of sea water passage 2, cools down to the bottom of solar panel 4, while solar-electricityThe heat that pond plate 4 generates when generating electricity preheats seawater, and preheating seawater is transported to second channel 22, by heating rod 5Heating seawater generates vapor, and vapor passes through waterproof ventilated membrane 61 and enters the formation liquid fresh water of condensation water tank 6, and liquid fresh water is logicalIt crosses fresh water delivery pipe 7 and is transported to freshwater storage device 3, residual seawater leads to after the pressurization of sea water pump 8 after the discharge of water outlet 221It crosses sea water conveying pipelines 83 and is delivered to spraying device 81, sprinkling seawater extremely shines salt pond 82 to spraying device 81 downwards.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, allEquivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly inOther related technical areas are also included in the patent protection scope of the utility model.