Energy-conservation micro-dense water reverse osmosis unit
Technical field
The utility model relates to water-treatment technology field, relates in particular to a kind of energy-conservation micro-dense water reverse osmosis unit。
Background technology
Reverse osmosis unit is through pretreatment such as more medium filter, charcoal filter, softening filters by former water, pressurize by high-pressure pump again, utilizing aperture is that 1/10000 μ m(is equivalent to 1/6000 of Escherichia coli size, virus 1/300) reverse osmosis membrane (RO film), make the water of higher concentration become low concentration of water, the impurity of simultaneously industrial pollutants, heavy metal, bacterium, virus etc. being sneaked in water in a large number is all isolated, thereby reaches physical and chemical index and the sanitary standard of drinking regulation.
Reverse osmosis water disposal facility is in producing pure water, and some condensed water produces, and the concentrated water yield is generally the more than 3 times of pure water.
Conventional saving type RO water purification principle of products:
1, concentrate recirculation: condensed water refluxes and again enters reverse-osmosis membrane element, causes that to enter the former water TDS of reverse-osmosis membrane element value too high, causes salt rejection rate bad.
2, restriction concentrated water drainage amount: restriction concentrated water drainage amount, properties of product are unstable, and reverse-osmosis membrane element rinses not, easily occurs dirty stifled phenomenon.
Utility model content
The purpose of this utility model is to provide a kind of energy-conservation micro-dense water reverse osmosis unit, to overcome currently available technology above shortcomings.
For realizing above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of energy-conservation micro-dense water reverse osmosis unit, comprise passway for water and circuit arrangement, described passway for water comprises the municipal tap water water inlet connecting by pipeline in turn, first order filter core, second level filter core, third level filter core, booster pump and reverse-osmosis membrane element, on pipeline between described municipal tap water water inlet and first order filter core, be provided with pressure-reducing valve, on pipeline between described third level filter core and booster pump, be disposed with water inlet control valve and the 3rd three-way connection, after reverse-osmosis membrane element, be divided into pure water route and concentrated water route through the pressurized water of described booster pump, described pure water route is through non-return valve, and be divided into two-way by the first three-way connection, one tunnel passes in pressure pot through high-voltage switch gear, another road process post active carbon filter core is to decontaminate faucet, described concentrated water route is divided into two-way through the second three-way connection, one tunnel is through the dense water of overrich water multifunctional electromagnetic valves discharge section, another road is connected to the 3rd three-way connection through FCC multifunctional electromagnetic valves and forms closed circuit,
Described circuit arrangement comprises external 220V AC power, power supply adaptor, PCB control panel, high-voltage switch gear, water inlet control valve, FCC multifunctional electromagnetic valves, dense water control valve and booster pump, described external 220V AC power exports PCB control panel to after power supply adaptor is converted to dc source, described high-voltage switch gear is connected with PCB control panel is anodal, and described water inlet control valve, FCC multifunctional electromagnetic valves, dense water control valve and booster pump are connected in parallel on circuit successively.
Further, described first order filter core is polypropylene filter core.
Further, described second level filter core is granular activated carbon filter core.
Further, described third level filter core is extruded activated carbon filter core.
The beneficial effects of the utility model: the utility model has solved the drawback of concentrate recirculation and restriction concentrated water discharge, improve the serviceability of water use efficiency and reverse-osmosis membrane element, backwashing manner guarantees that the performance of ro components is improved, increase the service life, guarantee water-saving result simultaneously, can guarantee after tested 50% above water use efficiency.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is according to the structural representation of the energy-conservation micro-dense water reverse osmosis unit described in the utility model embodiment;
Fig. 2 is according to the structural representation of the control method of the energy-conservation micro-dense water reverse osmosis unit described in the utility model embodiment.
In figure:
1, first order filter core; 2, second level filter core; 3, third level filter core; 4, water inlet control valve; 5, booster pump; 6, reverse-osmosis membrane element; 7, non-return valve; 8, the first three-way connection; 9, high-voltage switch gear; 10, pressure pot; 11, post active carbon filter core; 12, decontaminate faucet; 13, the second three-way connection; 14, dense water multifunctional electromagnetic valves; 15, FCC multifunctional electromagnetic valves; 16, the 3rd three-way connection; 17, pressure-reducing valve; 18, external 220V AC power; 19, power supply adaptor; 20, PCB control panel.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment. Based on the embodiment in the utility model, all other embodiment that those of ordinary skill in the art obtain, belong to the scope that the utility model is protected.
As shown in Figure 1-2, according to the energy-conservation micro-dense water reverse osmosis unit of the one described in the utility model embodiment, comprise passway for water and circuit arrangement, described passway for water comprises the municipal tap water water inlet connecting by pipeline in turn, first order filter core 1, second level filter core 2, third level filter core 3, booster pump 5 and reverse-osmosis membrane element 6, on pipeline between described municipal tap water water inlet and first order filter core 1, be provided with pressure-reducing valve 17, on pipeline between described third level filter core 3 and booster pump 5, be disposed with water inlet control valve 4 and the 3rd three-way connection 16, pressurized water through described booster pump 5 is divided into pure water route and concentrated water route after reverse-osmosis membrane element 6, described pure water route is through non-return valve 7, and be divided into two-way by the first three-way connection 8, one tunnel passes in pressure pot 10 through high-voltage switch gear 9, another road process post active carbon filter core 11 is to decontaminate faucet 12, described concentrated water route is divided into two-way through the second three-way connection 13, one tunnel is through the dense water of overrich water multifunctional electromagnetic valves 14 discharge section, another road is connected to the 3rd three-way connection 16 through FCC multifunctional electromagnetic valves 15 and forms closed circuit,
Described circuit arrangement comprises external 220V AC power 18, power supply adaptor 19, PCB control panel 20, high-voltage switch gear 9, water inlet control valve 4, FCC multifunctional electromagnetic valves 15, dense water control valve 14 and booster pump 5, described external 220V AC power 18 exports PCB control panel 20 to after power supply adaptor 19 is converted to dc source, described high-voltage switch gear 9 is connected with PCB control panel 20 is anodal, and described water inlet control valve 4, FCC multifunctional electromagnetic valves 15, dense water control valve 14 and booster pump 5 are connected in parallel on circuit successively.
Described first order filter core 1 is polypropylene filter core.
Described second level filter core 2 is granular activated carbon filter core.
Described third level filter core 3 is extruded activated carbon filter core.
A control method for energy-conservation micro-dense water reverse osmosis unit, comprising:
1) first by power supply adaptor 19, the electric energy of external 220V AC power 18 is converted to dc source, the electric energy after changing exports PCB circuit board 20 to and powers into each electricity piece;
2) by high-voltage switch gear 9 closures, simultaneously by entering water electromagnetic valve 4, booster pump 5 is opened, reverse-osmosis membrane element 6 is rinsed according to predefined program in PCB control panel 20 by dense water multifunctional electromagnetic valves 14, rinse and finish, rinse and finish, dense water multifunctional electromagnetic valves 14 is closed, after predefined M minute, FCC multifunctional electromagnetic valves 15 is opened, reverse-osmosis membrane element 6 is carried out to M-2 flushing second simultaneously, after M+1 second, dense water multifunctional electromagnetic valves 14 is opened again, reverse-osmosis membrane element 6 is carried out to 2*(M-2) second flushing, in order to reach better developing result, M preferably 5 minutes,
3) according to step 2) utilize dense water multifunctional electromagnetic valves 14 and the every M of FCC multifunctional electromagnetic valves 15 minute once to circulate reverse-osmosis membrane element 6 is carried out to once flushing;
4) after pressure pot 10 is filled and decontaminate faucet 12 be closed condition, high-voltage switch gear 9 be stressed bucket 10 ends pressure influence and discharge the signal of telecommunication, booster pump 5 is quit work.
Described FCC multifunctional electromagnetic valves 15 and dense water control valve 14 are normally open valve, while switching on power, open completely, carry out Current limited Control when deenergization.
Reverse osmosis treatment device is in the time of normal work, dense water multifunctional electromagnetic valves 14, not off-position of FCC multifunctional electromagnetic valves 15, the dense water of part that dense water multifunctional electromagnetic valves 14 produces while discharging work, FCC multifunctional electromagnetic valves 15 recycles the dense water of part that work produces, and reverse-osmosis membrane element is played to flushing action and economize on water simultaneously.
When dense water multifunctional electromagnetic valves 14, when the 15 follow procedure setting work of FCC multifunctional electromagnetic valves, FCC multifunctional electromagnetic valves 15 is opened completely, on pipeline, pressure moment reduces, by booster pump 5 to reverse-osmosis membrane element 6 moment circulation flushing, prevent membrane component surface contaminants deposition, FCC multifunctional electromagnetic valves 15 rinses and finishes rear pipeline, reverse osmosis treatment device rises to service pressure, now dense water multifunctional electromagnetic valves 14 is opened, make ro components moment pressure release, high flux flushing film surface, the performance of guaranteeing ro components by above-mentioned backwashing manner is improved, increase the service life, guarantee water-saving result simultaneously, can guarantee after tested 50% above water use efficiency.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.