CN105293732A - Non-electric-region photovoltaic water lifting and purifying system - Google Patents
Non-electric-region photovoltaic water lifting and purifying system Download PDFInfo
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- CN105293732A CN105293732A CN201410360388.6A CN201410360388A CN105293732A CN 105293732 A CN105293732 A CN 105293732A CN 201410360388 A CN201410360388 A CN 201410360388A CN 105293732 A CN105293732 A CN 105293732A
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention discloses a non-electric-region photovoltaic water lifting and purifying system which comprises a photovoltaic electricity generating module, a water lifting module and a water purifying module, wherein a photovoltaic assembly of the photovoltaic electricity generating module is used for converting solar energy into electric energy; an MPPT controller is used for tracing photovoltaic electricity generating power; a photovoltaic water pump of the water lifting module is used for conveying water of a water source to a water source water conveying pipeline; the water purifying module comprises a water purifying photovoltaic inverter, a water purifying submodule, a water purifying box, a purified water conveying pipeline, a purified water conveying valve, a water storage tank, a concentrated water conveying pipeline and a concentrated water conveying valve; the inlet of the water purifying submodule is connected with the water source water conveying pipeline; the purified water outlet of the water purifying submodule is connected with the water purifying box through the purified water conveying pipeline; the concentrated water outlet of the water purifying submodule is connected to the water storage tank through the concentrated water conveying pipeline. According to the photovoltaic water lifting and purifying system, a water pump controlled frequency converter is connected with the MPPT controller, and the power of the photovoltaic water pump is outputted according to the photovoltaic electricity generating power; when the water level of the water source is too low, or when a water purifying tank or the water storage tank is full, the photovoltaic water pump can be automatically turned off.
Description
Technical field
The present invention relates to areas without electricity water supply field, in particular to a kind of photovoltaic water lift water cleaning systems that can use at areas without electricity.
Background technology
Western China is due to weather, geologic condition reason, general high salinity composition in water (calcium ions and magnesium ions and high density saline and alkaline) is higher, some areas water quality shows as high rigidity, high fluorine, high arsenic, high ferrimanganic, low iodine, low selenium feature, not only drink mouthfeel difference, and directly can affect HUMAN HEALTH, and according to relevant portion statistics, the brackish water of long-term drinking high salinity, digestive system such as diarrhoea, abdominal distension and allergic can be caused, also may bring out urinary stone disease and all kinds of cancer.
Because remote western part, area exists a large amount of areas without electricity, inclement condition, shortage electric power.The acquisition that solve only water resources that traditional photovoltaic water lift technology is simple, that lives for agricultural, forestry, animal husbandry pouring and people drinks, and technology exists the phenomenon utilizing and there is clean cut.From the long-range consideration of Sustainable development, this Land use systems is unfavorable for the development of agricultural, forestry, animal husbandry, cannot solve the accumulation threat that water quality is formed for people's healthy living and ecotope.
Photovoltaic water lift technology utilizes photovoltaic generation Direct driver pump operation to produce pressure, and pressure-driven water produces flowing, thus reaches the object of water lift.Because this technology eliminates the storage link of electric energy, system efficiency is higher, operates more simple; If the pressure of head realizes water purification after utilizing water lift simultaneously, consider the compatibility of system, then not only can comprehensively solve areas without electricity water resources utilize, and more energy-conservation, more efficiently, more environmental protection.
Summary of the invention
The invention provides a kind of areas without electricity photovoltaic water lift water cleaning systems, in order to solve areas without electricity water lift, water purification, to supply water problem.
For achieving the above object, the invention provides a kind of areas without electricity photovoltaic water lift water cleaning systems, comprising photovoltaic generating module, water lift module and water purification module, wherein:
Described photovoltaic generating module comprises photovoltaic module and MPPT controller, and solar energy converting is become electric energy by described photovoltaic module, supplies the electricity consumption of described photovoltaic water lift water cleaning systems; Described MPPT controller, for following the trail of the power of photovoltaic generation;
Described water lift module comprises water pump and controls frequency transformer, water lift photovoltaic DC-to-AC converter, water level sensor, photovoltaic water pump and source water transport pipe, by described water lift photovoltaic DC-to-AC converter by described photovoltaic generating module and described water lift model calling, the direct current that described photovoltaic generating module produces is transformed into the alternating-current needed for described water lift module by described water lift photovoltaic DC-to-AC converter, drives described photovoltaic water pump that the water at water source is delivered to described source water transport pipe;
Described water purification module comprises water purification photovoltaic DC-to-AC converter, water purification submodule, clear water tanks, water purification transfer line, water purification transfer valve, water reservoir, water purifying tank water level sensor, water reservoir water level sensor, dense water transfer line and dense water transfer valve; Be connected with described water purification module by described photovoltaic generating module by described water purification photovoltaic DC-to-AC converter, the direct current that described photovoltaic generating module produces is transformed into the alternating-current needed for described water purification module by described water purification photovoltaic DC-to-AC converter; The import of described water purification submodule is connected with described source water transport pipe, the pure water inlet of described water purification submodule is connected to described clear water tanks by described water purification transfer line, and the dense water out of described water purification submodule is connected to described water reservoir by described dense water transfer line; Described water purification transfer valve is located at the exit of described clear water tanks, and described dense water transfer valve is located at the exit of described water reservoir; Wherein:
Described water purification submodule comprises filtering unit and cleaning unit, described filtering unit comprises more medium filter, activated charcoal filter, accurate filter and optimised filter unit successively, wherein, the filtrate of described more medium filter is quartz sand and hard coal, for the suspended particle in filtered water and foreign matter chemical heavy metallics, described activated charcoal filter is by the educt in carbon leaching material filtered water, microorganism, part heavy metal ion, larger molecular organics, ferriferous oxide and chlorine residue, and described accurate filter removes mist of oil in water and solid particulate; Described cleaning unit comprises cleaning case and scavenging pump, for cleaning described optimised filter unit;
Wherein, described water pump controls the automatic control that frequency transformer, described water lift photovoltaic DC-to-AC converter, described water level sensor, described water purifying tank water level sensor and described water reservoir water level sensor complete water lift water purification, described water pump controls frequency transformer and is connected with described water lift photovoltaic DC-to-AC converter, according to the photovoltaic generation power preset and the relation of described photovoltaic water pump power, export the power of described photovoltaic water pump; When described water level sensor detects that the water level at water source is lower than the first preset value, or, described water purifying tank water level sensor detects that the water level of described water purifying tank is higher than the second preset value, or, when described water reservoir water level sensor detects the water level of described water reservoir higher than the 3rd preset value, close described photovoltaic water pump.
Wherein, the film enclosed is had in described optimised filter unit, described film is covered with the hole with very low pore size, water after described accurate filter enters in described optimised filter unit, and produce pressure in the internal space that described film surrounds, under the effect of the pressure, the space outerpace that the water of the internal space that described film surrounds, trace element and mineral substance are surrounded to described film by the hole on described film oozes out, and bacterium, iron rust, colloid can not be left on the internal space that described film surrounds through the hole on described film; Meanwhile, under the pressure that the internal space that described film surrounds is transmitted, the water in the space outerpace that described film surrounds flows out from outlet, and this outlet connects the described pure water inlet of described water purification submodule.
Wherein, communicating vessels structure is provided with in described optimised filter unit, in the bottom of described communicating vessels, be provided with semi-permeable membranes, first side of described semi-permeable membranes is water purification, second side is the water after having described accurate filter to filter, water after described accurate filter enters in described optimised filter unit, and produce pressure in the second side of described semi-permeable membranes, under the effect of the pressure, the water of the second side of described semi-permeable membranes oozes out to the first side of described semi-permeable membranes, dissolved salts, colloid, microorganism, organism, bacterium, iron rust, colloid, trace element and mineral can not stay the second side of described semi-permeable membranes through described semi-permeable membranes, simultaneously, under the pressure of the second side of described semi-permeable membranes, the water purification of the first side of described semi-permeable membranes flows out from the top exit of described communicating vessels, this outlet connects the described pure water inlet of described water purification submodule.
Wherein, be also provided with high-pressure pump, hydrostatic pressure sensor and water purification in described optimised filter unit and control frequency transformer, wherein: described high-pressure pump is for the filter pressure of the second side of the space outerpace that promotes described film and surround or described semi-permeable membranes; Described hydrostatic pressure sensor is used for detecting described water purification control frequency transformer in described optimised filter unit and is connected with described MPPT controller, described high-pressure pump, described hydrostatic pressure sensor respectively, according to the relation of photovoltaic generation power, hydrostatic pressure and the described high-pressure pump power preset, export the power of described high-pressure pump.
Wherein, the hole with very low pore size on described film is that nominal pore scope is for being less than 10 dusts.
Compared with prior art, beneficial effect of the present invention is embodied in:
A kind of areas without electricity photovoltaic water lift water cleaning systems of the present invention, by MPPT (MaximumPowerPointTracking, MPPT maximum power point tracking) controller and frequency conversion function be integrated in one, implement to control and regulate to the operation of system, the direct current sent by solar battery array is converted to alternating-current, drive water pump, the output frequency of photovoltaic water pump can be regulated according to the change of intensity of sunshine in real time; With strong points, modular design can arrange different filtering systems according to the feature of source quality, and practice every conceivable frugality when satisfying the demands cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the system architecture schematic diagram of a kind of areas without electricity photovoltaic water lift water cleaning systems of one embodiment of the invention;
Fig. 2 is that the water pump control frequency transformer of a kind of areas without electricity photovoltaic water lift water cleaning systems of one embodiment of the invention is combined the schematic diagram realizing pump power and control with MPPT controller;
Fig. 3 is the structured flowchart of the water purification submodule of a kind of areas without electricity photovoltaic water lift water cleaning systems of one embodiment of the invention.
Description of reference numerals: 1-photovoltaic module; 21-first cable; 22-second cable; 23-the 3rd cable; 24-the 4th cable; 31-water lift photovoltaic DC-to-AC converter; 32-water purification photovoltaic DC-to-AC converter; 4-photovoltaic water pump; 5-water source; 61-first source water transport pipe; 62-second water source water transport pipe; 63-water purification transfer line; The dense water transfer line of 64-; 7-water purification submodule; 8-clear water tanks; 9-water reservoir; 10-water-purifying room; 11-water plant; 12-water purification transfer valve; The dense water transfer valve of 13-; 14-photovoltaic module support.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the system architecture schematic diagram of a kind of areas without electricity photovoltaic water lift water cleaning systems of one embodiment of the invention.As shown in Figure 1, in one embodiment of the invention, be provided with water lift water source 5, water plant 11, water-purifying room 10, water reservoir 9 and photovoltaic generating module, described photovoltaic generating module comprises photovoltaic module 11, photovoltaic module support 14 and MPPT controller, water level sensor is provided with in water source 5, photovoltaic water pump 4 is provided with in water plant 11, water lift photovoltaic DC-to-AC converter 31, water pump controls frequency transformer, water lift photovoltaic DC-to-AC converter 31 is connected by the first cable 21 with photovoltaic module 11, connected by the second cable 22 between photovoltaic water pump 4 and water lift photovoltaic DC-to-AC converter 31, photovoltaic water pump 4 is connected with water source 5 by the first source water transport pipe 61, water purification photovoltaic DC-to-AC converter 32, water purification submodule 7, clear water tanks 8, water purification transfer line 63, water purification transfer valve 12, water purifying tank water level sensor is provided with in water-purifying room 10, water purification photovoltaic DC-to-AC converter 32 is connected by the 3rd cable 23 with photovoltaic module 11, connected by the 4th cable 24 between water purification submodule 7 and water purification photovoltaic DC-to-AC converter 32, the water purification submodule 7 in water-purifying room 10 is connected to photovoltaic water pump 4 by second water source water transport pipe 62, water reservoir 9 is connected by dense water transfer line 64 with the water purification submodule 7 in water-purifying room 10.
Solar energy converting is become electric energy by photovoltaic module 11, supply water lift photovoltaic DC-to-AC converter 31 and water purification photovoltaic DC-to-AC converter 32; MPPT controller, for following the trail of the power of photovoltaic generation.
Direct current is converted to the alternating-current needed for photovoltaic water pump 4 by water lift photovoltaic DC-to-AC converter 31, drives photovoltaic water pump 4 that the water at water source 5 is delivered to the first source water transport pipe 61, and is delivered to water purification submodule 7 via second water source water transport pipe 62.
Water purification submodule 7 comprises filtering unit and cleaning unit.As shown in Figure 3, described filtering unit comprises more medium filter, activated charcoal filter, accurate filter and optimised filter unit successively, wherein, the filtrate of described more medium filter is quartz sand and hard coal, for the suspended particle in filtered water and foreign matter chemical heavy metallics, described activated charcoal filter is by the educt in carbon leaching material filtered water, microorganism, part heavy metal ion, larger molecular organics, ferriferous oxide and chlorine residue, and described accurate filter removes mist of oil in water and solid particulate; Described cleaning unit comprises cleaning case and scavenging pump, for cleaning described optimised filter unit.Described cleaning case is equipped with rinse water.
In one embodiment of the invention, the film enclosed is had in described optimised filter unit, described film is covered with the hole with very low pore size, in one embodiment of the invention, the hole with very low pore size on described film is that nominal pore scope is for being less than 10A (10 dusts, i.e. 1 nanometer).Water after described accurate filter enters in described optimised filter unit, and produce pressure in the internal space that described film surrounds, under the effect of the pressure, the space outerpace that the water of the internal space that described film surrounds, trace element and mineral substance are surrounded to described film by the hole on described film oozes out, and bacterium, iron rust, colloid can not be left on the internal space that described film surrounds through the hole on described film; Meanwhile, under the pressure of the internal space that described film surrounds, the water in the space outerpace that described film surrounds flows out from outlet, and this outlet connects the pure water inlet of water purification submodule 7, and the space outerpace that described film surrounds connects the dense water out of water purification submodule 7.Now, during cleaning film, close pure water inlet, open dense water out, open scavenging pump, rinse water is pumped into the internal space that described film surrounds, increase water flow velocity, the impurity that internal space that described film surrounds is soft in a large number can be washed away; Or, close pure water inlet, open dense water out, open scavenging pump, rinse water is pumped into the space outerpace that described film surrounds, oppositely wash away covering impurity on the membrane.Hydraulic pressure is controlled well, in order to avoid damage described film in cleaning process.When source water impurity is more, when only using above method thoroughly not clean, different pharmaceutical chemicalss can be added according to the composition of water source impurities in water in rinse water, but should consider to damage described film when this pharmaceutical chemicals is selected.
In one embodiment of the invention, communicating vessels structure is provided with in described optimised filter unit, in the bottom of described communicating vessels, be provided with semi-permeable membranes, first side of described semi-permeable membranes is water purification, second side is the water after having described accurate filter to filter, water after described accurate filter enters in described optimised filter unit, and produce pressure in the second side of described semi-permeable membranes, under the effect of the pressure, the water of the second side of described semi-permeable membranes oozes out to the first side of described semi-permeable membranes, dissolved salts, colloid, microorganism, organism, bacterium, iron rust, colloid, trace element and mineral can not stay the second side of described semi-permeable membranes through described semi-permeable membranes, simultaneously, under the pressure of the second side of described semi-permeable membranes, the water purification of the first side of described semi-permeable membranes flows out from the top exit of described communicating vessels, this outlet connects the pure water inlet of water purification submodule 7, second side of described semi-permeable membranes connects the dense water out of water purification submodule 7.Now, during cleaning film, close pure water inlet, open dense water out, in rinse water, add clean-out system, clean-out system is determined according to the water quality of source water, opens scavenging pump, carries out wash cycles, and the water quality according to cleaning backwater determines whether again to clean.
Above two kinds of optimised filter unit, depending on actual water quality situation, can be established wherein a kind of, also can two kinds set gradually.Two kinds when setting gradually, water-in a kind of after its outlet a kind of be located at above connects (above describe in connect water place through described accurate filter), its outlet a kind of be located at below connects the pure water inlet of water purification submodule 7.
In one embodiment of the invention, be also provided with high-pressure pump, hydrostatic pressure sensor and water purification in described optimised filter unit and control frequency transformer.Wherein, high-pressure pump is located at dense water (or the water after described accurate filter) side, for promoting the filter pressure of the second side of space outerpace that described film surrounds or described semi-permeable membranes; Described hydrostatic pressure sensor is used for detecting described water purification control frequency transformer in described optimised filter unit and is connected with described MPPT controller, described high-pressure pump, described hydrostatic pressure sensor respectively, according to the relation of photovoltaic generation power, hydrostatic pressure and the described high-pressure pump power preset, export the power of described high-pressure pump.
Direct current is converted to the alternating-current needed for water purification submodule 7 by water purification photovoltaic DC-to-AC converter 32, source water after water purification submodule 7 filters is divided into water purification and dense water, water purification is delivered to clear water tanks 8 by pure water inlet through water purification transfer line 63, and dense water is delivered to water reservoir 9 by dense water out through dense water transfer line 64.Clear water tanks 8 is provided with water purification transfer valve 12, and open water purification transfer valve 12 when needs carry water purification to user, the water purification in clear water tanks 8 flows to user; Water reservoir 9 is provided with dense water transfer valve 13, for discharging dense water.Dense water can melt scouring water, irrigation water or waste water etc. depending on water quality situation, when dense water reaches waste water level, needs isolation separately to do subsequent disposal blowdown, to avoid contaminate environment.
As shown in Figure 2, water pump controls frequency transformer and is connected with described water lift photovoltaic DC-to-AC converter and photovoltaic water pump 4, MPPT controller follows the trail of the power of photovoltaic generation, be combined with water lift photovoltaic DC-to-AC converter, according to the photovoltaic generation power preset and the relation of described photovoltaic water pump power, under the actual lift of i.e. photovoltaic water pump, (U is output voltage for the U-f of water lift photovoltaic DC-to-AC converter, f is output frequency) curve, MPPT controller detects the generated output of sunshine and photovoltaic module 11, the reference voltage of the DC bus-bar voltage of photovoltaic module 1 and photovoltaic module 1 is made comparisons by water lift photovoltaic DC-to-AC converter, and by PID (ProportionIntegrationDifferentiation, ratio, integration, differential) control, obtain optimum output frequency and output voltage, water pump controls the power that frequency transformer regulates photovoltaic water pump 4 thereupon, make mutually to mate between system to obtain maximum water lift efficiency.
In addition, described water level sensor, described water purifying tank water level sensor and described water reservoir water level sensor are respectively used to the water level detecting water source 5, clear water tanks 8, water reservoir 9, when described water level sensor detects that the water level at water source 5 is lower than the first preset value, or, described water purifying tank water level sensor detects that the water level of water purifying tank 8 is higher than the second preset value, or, when described water reservoir water level sensor detects the water level of water reservoir 9 higher than the 3rd preset value, close photovoltaic water pump 4.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can describe according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (5)
1. an areas without electricity photovoltaic water lift water cleaning systems, is characterized in that, comprises photovoltaic generating module, water lift module and water purification module, wherein:
Described photovoltaic generating module comprises photovoltaic module and MPPT controller, and solar energy converting is become electric energy by described photovoltaic module, supplies the electricity consumption of described photovoltaic water lift water cleaning systems; Described MPPT controller, for following the trail of the photovoltaic generation power of described photovoltaic module;
Described water lift module comprises water pump and controls frequency transformer, water lift photovoltaic DC-to-AC converter, water level sensor, photovoltaic water pump and source water transport pipe, by described water lift photovoltaic DC-to-AC converter by described photovoltaic generating module and described water lift model calling, the direct current that described photovoltaic generating module produces is transformed into the alternating-current needed for described water lift module by described water lift photovoltaic DC-to-AC converter, drives described photovoltaic water pump that the water at water source is delivered to described source water transport pipe;
Described water purification module comprises water purification photovoltaic DC-to-AC converter, water purification submodule, clear water tanks, water purification transfer line, water purification transfer valve, water reservoir, water purifying tank water level sensor, water reservoir water level sensor, dense water transfer line and dense water transfer valve; Be connected with described water purification module by described photovoltaic generating module by described water purification photovoltaic DC-to-AC converter, the direct current that described photovoltaic generating module produces is transformed into the alternating-current needed for described water purification module by described water purification photovoltaic DC-to-AC converter; The import of described water purification submodule is connected with described source water transport pipe, the pure water inlet of described water purification submodule is connected to described clear water tanks by described water purification transfer line, and the dense water out of described water purification submodule is connected to described water reservoir by described dense water transfer line; Described water purification transfer valve is located at the exit of described clear water tanks, and described dense water transfer valve is located at the exit of described water reservoir; Wherein
Described water purification submodule comprises filtering unit and cleaning unit, described filtering unit comprises more medium filter, activated charcoal filter, accurate filter and optimised filter unit successively, wherein, the filtrate of described more medium filter is quartz sand and hard coal, described activated charcoal filter is provided with carbon leaching material, the mist of oil in described accurate filter removal water and solid particulate; Described cleaning unit comprises cleaning case and scavenging pump, for cleaning described optimised filter unit;
Wherein, described water pump controls the automatic control that frequency transformer, described water lift photovoltaic DC-to-AC converter, described water level sensor, described water purifying tank water level sensor and described water reservoir water level sensor complete water lift water purification, described water pump controls frequency transformer and is connected with described water lift photovoltaic DC-to-AC converter, according to the photovoltaic generation power preset and the relation of described photovoltaic water pump power, export the power of described photovoltaic water pump; When described water level sensor detects that the water level at water source is lower than the first preset value, or, described water purifying tank water level sensor detects that the water level of described water purifying tank is higher than the second preset value, or, when described water reservoir water level sensor detects the water level of described water reservoir higher than the 3rd preset value, described water pump controls Frequency Converter Control and cuts out described photovoltaic water pump.
2. areas without electricity photovoltaic water lift water cleaning systems as claimed in claim 1, it is characterized in that, the film enclosed is had in described optimised filter unit, described film is covered with the hole with very low pore size, water after described accurate filter enters in described optimised filter unit, and produce pressure in the internal space that described film surrounds, under the effect of the pressure, the water of the internal space that described film surrounds, the space outerpace that trace element and mineral substance are surrounded to described film by the hole on described film oozes out, bacterium, iron rust, colloid can not be left on the internal space that described film surrounds through the hole on described film, meanwhile, under the pressure that the internal space that described film surrounds is transmitted, the water in the space outerpace that described film surrounds flows out from outlet, and this outlet connects the described pure water inlet of described water purification submodule.
3. areas without electricity photovoltaic water lift water cleaning systems as claimed in claim 1, it is characterized in that, communicating vessels structure is provided with in described optimised filter unit, in the bottom of described communicating vessels, be provided with semi-permeable membranes, first side of described semi-permeable membranes is water purification, second side is the water after having described accurate filter to filter, water after described accurate filter enters in described optimised filter unit, and produce pressure in the second side of described semi-permeable membranes, under the effect of the pressure, the water of the second side of described semi-permeable membranes oozes out to the first side of described semi-permeable membranes, dissolved salts, colloid, microorganism, organism, bacterium, iron rust, colloid, trace element and mineral can not stay the second side of described semi-permeable membranes through described semi-permeable membranes, simultaneously, under the pressure of the second side of described semi-permeable membranes, the water purification of the first side of described semi-permeable membranes flows out from the top exit of described communicating vessels, this outlet connects the described pure water inlet of described water purification submodule.
4. areas without electricity photovoltaic water lift water cleaning systems as claimed in claim 2 or claim 3, it is characterized in that, also be provided with high-pressure pump, hydrostatic pressure sensor and water purification in described optimised filter unit and control frequency transformer, wherein: described high-pressure pump is for the filter pressure of the second side of the space outerpace that promotes described film and surround or described semi-permeable membranes; Described hydrostatic pressure sensor is used for detecting described water purification control frequency transformer in described optimised filter unit and is connected with described MPPT controller, described high-pressure pump, described hydrostatic pressure sensor respectively, according to the relation of photovoltaic generation power, hydrostatic pressure and the described high-pressure pump power preset, export the power of described high-pressure pump.
5. areas without electricity photovoltaic water lift water cleaning systems as claimed in claim 3, it is characterized in that, the hole with very low pore size on described film is that nominal pore scope is for being less than 10 dusts.
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| WO2020142890A1 (en) * | 2019-01-08 | 2020-07-16 | 深圳欣锐科技股份有限公司 | Method for adjusting bus voltage, and related device |
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