CN110282680A - A kind of device of solar energy purification bitter - Google Patents
A kind of device of solar energy purification bitter Download PDFInfo
- Publication number
- CN110282680A CN110282680A CN201910390256.0A CN201910390256A CN110282680A CN 110282680 A CN110282680 A CN 110282680A CN 201910390256 A CN201910390256 A CN 201910390256A CN 110282680 A CN110282680 A CN 110282680A
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- China
- Prior art keywords
- water
- water tank
- separator box
- bracket
- thermal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- 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 invention discloses a kind of devices of solar energy purification bitter, including bracket, separator box, water tank, thermal-collecting tube, solar panel, waste water tank, clear water tanks, solar panel is installed before the bracket, solar panel is provided with four, solar panel is designed in arc-shaped, thermal-collecting tube is located in the arc of solar panel, thermal-collecting tube is connect with separator box, the separator box is mounted on the top of bracket by bolt, the top of separator box is equipped with water tank, water tank and separator box are integrally formed, and active carbon layer is installed in water tank, separator box is not connected to water tank, the bottom of water tank is connected to by siphon pipe with separator box, the bracket is open type design, the bottom of bracket is equipped with the waste water tank and clear water tanks of bolt installation, one end of pure water pipe is connected to separator box, the other end extends at clear water tanks, by waste pipe by separator box and waste water Case connection.The present invention has rational design；Solar panel improves the ability of thermal-collecting tube heat absorption solar energy.
Description
Technical field
The present invention relates to a kind of devices of solar energy purification bitter.
Background technique
Water is the source of all life and the lifeblood of socio-economic development.Especially fresh water is in agricultural, industry and daily life
In have irreplaceable role.But it is light since salinity seawater too high directly to utilize accounts for the 97% of global total water
Water only accounts for 3%, wherein be present in river, the fresh water that can be used directly in lake only accounts for the 0.36% of total amount, if fresh water problem
Be not effectively relieved, it will directly hinder the progress of human society, brackish water desalination as a kind of open source increment technique,
It is known as being the current important channel for alleviating shortage of fresh water problem by multiple countries in the world, according to statistics, the whole world has more than
75000000 people by desalinize seawater or bitter obtain needed for fresh water amount, built more than 1.3 ten thousand of the desalinator in the whole world,
Just with annual 15% average speed rapid growth, technique of desalinating saline water is just worldwide increasingly weighed for installed capacity
Depending on, present existing several desalination technologies, either multistage flash distillation or reverse osmosis it is suitable for large-scale sea water desalination
The market demand.But the remote districts or island of some sunshine abundances then need to develop, and a kind of installation is simple, low in investment cost, construction
Period shorter small-sized solar brackish water desalination device.
Summary of the invention
The purpose of the present invention is to provide a kind of devices of solar energy purification bitter, to solve the above technical problems.
To achieve the above object the invention adopts the following technical scheme:
A kind of device of solar energy purification bitter, including it is bracket, separator box, water tank, thermal-collecting tube, solar panel, waste water tank, net
Water tank is equipped with solar panel before the bracket, and solar panel is provided with four, and solar panel is designed in arc-shaped, thermal-collecting tube position
In in the arc of solar panel, thermal-collecting tube is connect with separator box, and the separator box is mounted on the top of bracket, separator box by bolt
Top be equipped with water tank, water tank and separator box are integrally formed, and active carbon layer is equipped in water tank, separator box and water storage
Case is not connected to, and the bottom of water tank is connected to by siphon pipe with separator box, and the bracket is open type design, and the bottom of bracket is set
The waste water tank and clear water tanks for having bolt to install, one end of pure water pipe are connected to separator box, and the other end extends at clear water tanks, passes through
Separator box is connected to by waste pipe with waste water tank.
Preferably, it is equipped with secondary water cooling box in the separator box, evaporator, dispenser one end are installed in secondary water cooling box
It is connected to siphon pipe, the other end is connected to the surface of evaporator, and the other end outlet of dispenser is located at the outside of secondary water cooling box.
Preferably, the inside bottom of the secondary water cooling box offers water purification outlet, and water purification outlet is connected to pure water pipe, and two
Secondary water cooling box exterior bottom offers wastewater outlet, and wastewater outlet is connected to waste pipe.
Preferably, water absorbing fabric is installed on the evaporator, and thermal-collecting tube is connected to evaporator, water absorbing fabric uses
Coolmax fiber knitted fabric.
Preferably, the waste water in the waste water tank is squeezed into water tank again through water pump.
Compared with prior art, the invention has the following advantages that the present invention has rational design；Using four solar panels by the sun
It can be carried out the heat for gathering to improve thermal-collecting tube generation；Secondary water cooling box in separator box by the vapor condensation of generation from
And purified water is generated, while secondary water cooling box can carry out the utilization rate that secondary preheating improves the energy to the waste water in outside；Steam
Water absorbing fabric on device improves evaporation efficiency.
Detailed description of the invention
Fig. 1 is the schematic device of solar energy purification bitter of the present invention.
Fig. 2 is the schematic rear view of the device of solar energy purification bitter of the present invention.
Fig. 3 is the separator box and water tank cross-sectional view of the device of solar energy purification bitter of the present invention.
Specific embodiment
The present invention is further elaborated in the following with reference to the drawings and specific embodiments.
As shown in Figure 1-3, a kind of device of solar energy purification bitter, including bracket 4, separator box 1, water tank 7, thermal-arrest
Pipe 2, solar panel 3, waste water tank 5, clear water tanks 10 are equipped with solar panel 3 before the bracket 4, and solar panel 3 is provided with four,
Solar panel 3 is designed in arc-shaped, and thermal-collecting tube 2 is located in the arc of solar panel 3, and thermal-collecting tube 2 is connect with separator box 1, the separation
Case 1 is mounted on the top of bracket 4 by bolt, the top of separator box 1 be equipped with water tank 7, water tank 7 and 1 one of separator box at
Type, and active carbon layer 8 is installed in water tank 7, separator box 1 is not connected to water tank 7, and the bottom of water tank 7 passes through siphon pipe 6
It is connected to separator box 1, the bracket 4 is open type design, and the bottom of bracket 4 is equipped with the waste water tank 5 and clear water tanks of bolt installation
10, one end of pure water pipe 9 is connected to separator box 1, and the other end extends at clear water tanks 10, by waste pipe 11 by separator box 1 with
Waste water tank 5 is connected to, and secondary water cooling box 13 is equipped in separator box 1, is equipped with evaporator 14, dispenser 12 1 in secondary water cooling box 13
End is connected to siphon pipe 6, and the other end is connected to the surface of evaporator 14, and the other end outlet of dispenser 12 is located at secondary water cooling box
13 outside, the inside bottom of secondary water cooling box 13 offer water purification outlet 15, and water purification outlet 15 is connected to pure water pipe 9, secondary
13 exterior bottom of water cooling box offers wastewater outlet 16, and wastewater outlet 16 is connected to waste pipe 11, and suction is equipped on evaporator 14
Water surface material, and thermal-collecting tube 2 is connected to evaporator 14, water absorbing fabric uses coolmax fiber knitted fabric, the waste water in waste water tank
It is squeezed into water tank again through water pump, separator box is made of aluminum material.
Assuming that separator box (average) can provide the heat source of 6 hours, 80 DEG C daily；The temperature for the bitter to be purified is 20
℃；Environment temperature is 20 DEG C；Thermal coefficient k1=120 of aluminum tank wall surface；The thermal coefficient of water absorbing fabric is k2=0.06.
Since, there are the density contrast of temperature difference and vapor, temperature difference can cause pair between water absorbing fabric and secondary water cooling box
Spread heat and radiant heat transfer；Density contrast can cause mass transfer.Therefore, the heat transfer mode between evaporating surface and secondary water cooling box has
Convective heat transfer, radiant heat transfer and the adjoint phase-change heat transfer of evaporation mass transfer.Meanwhile it is also corresponding between secondary water cooling box and external environment
There are temperature differences, therefore between secondary water cooling box and environment there is also radiation and convective heat transfer.
Inside dry air and vapor mixed gas can be considered perfect gas when device is run, and have
Air: PaV=maRgaTa
Water: PwV=mwRgwTw
Mixed gas density:
The mean temperature of Tav in formula --- evaporating surface and secondary water cooling box face；R --- mol gas constant, 8.31J/ (mol*
k)
If inside device being saturated steam, then the saturated vapour pressure Pw under different running temperatures:
T in formula --- the temperature of mixed gas in device/DEG C.
The heat transfer type that the present apparatus uses is confined space free convection and radiation heat transfer, it is contemplated that space is small to making fluid
The heated descending motion for rising and being cooled can interfere with each other influence, therefore device separates evaporation layer and condensate layer, passes through circle
Hole export internal layer steam to outside cryosurface, not only efficiently separate with water purification and bitter, but also reduce it is two-part mutually do
It disturbs.
Rayleigh number can be used for the free convection mass transport process inside the device:
Ra=Gr*Pr
Gr in formula --- grashof number, Pr --- Prandtl number
Portion in the device, there are concentration difference, heat transfer and mass transfers to be carried out simultaneously by free convection for water vapor in air, causes interior
The mass transport process in portion accelerates the transmitting of heat.Therefore, it is necessary to be modified to grashof number, with Sharplcy and
Boclter with it is defined below be to be calculated:
Characteristic size/m of x in formula --- cryosurface；The density of ρ --- mixed gas, unit: kg/m3；μ --- gaseous mixture
The dynamic viscosity of body/(Pas)；The molal weight of M --- humid air, unit: g/mol；T --- temperature/k；Subscript e, g ---
Evaporating surface and cryosurface.
The molal weight M of humid air may be expressed as:
M=Ma
Pt in formula --- the gross pressure of humid air in device is standard atmospheric pressure, i.e. Pt=101.3kPa.
It obtains as a result:
Ma in formula --- the molal weight in dry air, i.e. Ma=28.96g/mol；The molal weight of Mw --- vapor, i.e. Mw
=18g/mol;
Prandtl number:
C in formula --- the specific heat at constant pressure of the intracavitary humid air of evaporative condenser, unit: J/ (kgK)；The heat of K --- working media
Conductance, unit: W/ (mK).
Utilize following empirical equation available c, k:
C=0.9992
K=0.0024+0.7673
Convection transfer rate hc and mass tranfer coefficient hm:
Le=
Le in formula --- Lewis number；
A --- thermal diffusion coefficient；
D --- the aerial mass diffusivity of vapor
Then have:
Convection transfer rate hc can be by rule-of-thumb relation:
Hc=
C, n are constant in formula.
The density p and dynamic viscosity μ of humid air can be calculated using following formula:
ρ=A0+A1ta+A2
A3
μ=B0+B1ta+B2
B3+B4
Ta in formula --- temperature averages between evaporating surface and cryosurface/DEG C
| ρ | μ |
| A0=1.299998662 | B0=1.685731754 |
| A1=-6.043625845 | B1=9.151853945 |
| A2=4.697926602 | B2=-2.16276222 |
| A3=5.760867827 | B3=3.141392255 |
| B4=-2.64437266 |
Each factor v in formula
The then free convection mass tranfer coefficient hm of the device:
Hm=
Theoretical water yield m at a certain temperature
M=hmA(ρ e- ρ g)
A in formula --- bitter disengagement area；
ρ e --- the density of evaporating surface vapor；
ρ g --- the density of cryosurface vapor；
According to formula above, the theoretical water yield under different solar radiations can be calculated.
The working principle of the invention；Active carbon layer 8 used in device preliminary purification is seed activity layer of charcoal, for tentatively inhaling
Bulky grain and insoluble substance in attached bitter, bitter after the preliminary adsorption cleaning of active carbon layer 8, are flowed by gravity
It is stored in water tank 7.It starts running to heat collector 2, the bitter in water tank 7 is flow to through siphon pipe 6,12 a part of dispenser
On the water absorbing fabric on 14 surface of evaporator, moisture film is formed on water absorbing fabric surface layer, moisture film is after by thermal evaporation, vapor and secondary water
It is condensed to the cold after ice chest 13, gravity flows into clear water tanks 10 through pipeline 9.Dispenser 12 guides another bitter to secondary
The outside of water cooling box 13 preheats bitter using the evaporation waste heat of secondary water cooling box 13, and non-purified bitter is through useless
Water pipe 11, which enters in waste water tank 5, re-starts purification utilization.
The above is present pre-ferred embodiments, for the ordinary skill in the art, according to the present invention
Introduction, in the case where not departing from the principle of the present invention and spirit, changes, modifications, replacement and change that embodiment is carried out
Type is still fallen within protection scope of the present invention.
Claims (5)
1. a kind of device of solar energy purification bitter, including it is bracket (4), separator box (1), water tank (7), thermal-collecting tube (2), poly-
Tabula rasa (3), waste water tank (5), clear water tanks (10), which is characterized in that solar panel (3), optically focused are installed before the bracket (4)
Plate (3) is provided with four, and solar panel (3) is designed in arc-shaped, and thermal-collecting tube (2) is located in the arc of solar panel (3), thermal-collecting tube
(2) it is connect with separator box (1), the separator box (1) is mounted on the top of bracket (4) by bolt, and separator box is set at the top of (1)
Have water tank (7), water tank (7) and separator box (1) are integrally formed, and are equipped with active carbon layer (8) in water tank (7), are separated
Case (1) is not connected to water tank (7), and the bottom of water tank (7) is connected to by siphon pipe (6) with separator box (1), the bracket
It (4) is open type design, the bottom of bracket (4) is equipped with the waste water tank (5) and clear water tanks (10) of bolt installation, pure water pipe (9)
One end is connected to separator box (1), and the other end extends at clear water tanks (10), by waste pipe (11) by separator box (1) and waste water
Case (5) connection.
2. a kind of device of solar energy purification bitter according to claim 1, which is characterized in that the separator box (1)
It is interior to be equipped with secondary water cooling box (13), it is equipped with evaporator (14) in secondary water cooling box (13), dispenser (12) one end and siphon pipe
(6) it is connected to, the other end is connected to the surface of evaporator (14), and the other end outlet of dispenser (12) is located at secondary water cooling box (13)
Outside.
3. a kind of device of solar energy purification bitter according to claim 2, which is characterized in that the secondary water cooling box
(13) inside bottom offers water purification outlet (15), and water purification outlet (15) is connected to pure water pipe (9), and secondary water cooling box (13) is outside
Side bottom offers wastewater outlet (16), and wastewater outlet (16) is connected to waste pipe (11).
4. a kind of device of solar energy purification bitter according to claim 2, which is characterized in that the evaporator (14)
On water absorbing fabric is installed, and thermal-collecting tube (2) is connected to evaporator (14), and water absorbing fabric uses coolmax fiber knitted fabric.
5. a kind of device of solar energy purification bitter according to claim 1, which is characterized in that the waste water tank (5)
Interior waste water is squeezed into through water pump again in water tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390256.0A CN110282680A (en) | 2019-05-10 | 2019-05-10 | A kind of device of solar energy purification bitter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390256.0A CN110282680A (en) | 2019-05-10 | 2019-05-10 | A kind of device of solar energy purification bitter |
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| Publication Number | Publication Date |
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| CN110282680A true CN110282680A (en) | 2019-09-27 |
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| CN201910390256.0A Pending CN110282680A (en) | 2019-05-10 | 2019-05-10 | A kind of device of solar energy purification bitter |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475233A (en) * | 2009-01-12 | 2009-07-08 | 天津大学 | Vacuum distillation apparatus and method for desalting seawater and bitter-salt water by simply using solar energy |
| CN102145926A (en) * | 2010-02-10 | 2011-08-10 | 李京航 | Multi-concave mirror integrated evaporation type solar water purifier |
| CN102225787A (en) * | 2011-05-17 | 2011-10-26 | 浙江大学 | Composite solar seawater desalination device and method |
| CN108314121A (en) * | 2018-04-17 | 2018-07-24 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Brackish water desalination device and method for desalting brackish water |
-
2019
- 2019-05-10 CN CN201910390256.0A patent/CN110282680A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475233A (en) * | 2009-01-12 | 2009-07-08 | 天津大学 | Vacuum distillation apparatus and method for desalting seawater and bitter-salt water by simply using solar energy |
| CN102145926A (en) * | 2010-02-10 | 2011-08-10 | 李京航 | Multi-concave mirror integrated evaporation type solar water purifier |
| CN102225787A (en) * | 2011-05-17 | 2011-10-26 | 浙江大学 | Composite solar seawater desalination device and method |
| CN108314121A (en) * | 2018-04-17 | 2018-07-24 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Brackish water desalination device and method for desalting brackish water |
Non-Patent Citations (2)
| Title |
|---|
| 蔡振兴等: "《新能源技术概论》", 30 October 2017, 北京邮电大学出版社 * |
| 陈尚斌等: "《男茄克设计与技术》", 30 July 2012, 东华大学出版社 * |
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Application publication date: 20190927 |
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