CN104030475A - Water purification system with concentrated water making and backwashing functions and water purification method - Google Patents

Water purification system with concentrated water making and backwashing functions and water purification method Download PDF

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CN104030475A
CN104030475A CN201410322149.1A CN201410322149A CN104030475A CN 104030475 A CN104030475 A CN 104030475A CN 201410322149 A CN201410322149 A CN 201410322149A CN 104030475 A CN104030475 A CN 104030475A
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water
pipeline
electrically
dense
controlled valve
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CN104030475B (en
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孙丰忠
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Abstract

The invention provides a water purification system with concentrated water making and backwashing functions and a water purification method. The water purification system with the concentrated water making and backwashing functions comprises a raw water inlet pipe, a water pump, an RO membrane filter element, a concentrated water storage barrel, a purified water pressure barrel and a loop portion, wherein a concentrated water outlet and a purified water outlet of the RO membrane filter element are communicated with the concentrated water storage barrel and the purified water pressure barrel respectively; a water outlet of the purified water pressure barrel is connected with a water taking unit through an active carbon filter element. The water purification system with the concentrated water making and backwashing functions is characterized in that a concentrated water making loop is arranged; the concentrated water making loop is composed of a concentrated water making pipeline, one end of the concentrated water making pipeline stretches into the bottom of the concentrated water storage barrel, and the other end of the concentrated water making pipeline is communicated with a water inlet of the water pump; an electric control valve k14 is arranged on the concentrated water making pipeline. Through the water purification system, a concentrated water remaking loop is utilized for remaking concentrated water, so that waste of water resources is avoided; filter element backwashing loops L1, L2 and L3, an RO filter element forward washing loop, an RO filter element backwashing loop and an RO filter membrane backwashing loop are arranged, so that the filtering function is guaranteed, the service life is prolonged, beneficial effects are remarkable, and application and popularization are facilitated.

Description

A kind of water cleaning systems and method with dense water water processed and backwashing function
Technical field
The present invention relates to a kind of water cleaning systems and method with dense water water processed and backwashing function, in particular, relate in particular to a kind of water cleaning systems and method with dense water water processed and backwashing function being applied on water purifying plant.
Background technology
At present, known RO water-purifying machine is crossed the major partss such as filter core and is formed by low-tension switch, water pump, entering water electromagnetic valve, high-voltage switch gear, scouring electromagnetic valve, reverse checkvalve, waste water proportioner, Pyatyi.This machine is water produced of fine quality good, and the overwhelming majority but produces pure water and waste water 1:3 or higher " waste water " (correct saying should be dense water) when producing water, thereby causes great lot of water resources waste.Because structure and operation scheme determine, the pure water of water purifier self output is refiltered one time, understand equally output 1:3 or higher " waste water ", this structure and operation scheme exist very large irrationality.Equally because structure and operation scheme determine, the more renew cartridge that is about to begin about three months, thus cause maintenance cost too high.Ye You producer adopts air bag to shrink and delivery mode, carries out filter-core back-flushing washing method, but because of the stored insufficient pressure of air bag, inhomogeneous, not good to filter core developing result.
Summary of the invention
The present invention, in order to overcome the shortcoming of above-mentioned technical problem, provides a kind of water cleaning systems and method with dense water water processed and backwashing function being applied on water purifying plant.
The water cleaning systems with dense water water processed and backwashing function of the present invention, comprises former water water inlet pipe, water pump, RO membrane cartridge, dense water water butt, pure water pressure pot and circuit part, is provided with water-in, dense water out and pure water outlet on RO membrane cartridge; Former water water inlet pipe is connected to the water-in of water pump successively after L1 filter core, L2 filter core and L3 filter core, the water outlet of water pump communicates with the water-in of RO membrane cartridge, the dense water out of RO membrane cartridge and pure water outlet communicate with dense water water butt and pure water pressure pot respectively, on the pipeline between the dense water out of RO membrane cartridge and dense water water butt, are provided with waste water proportioner regulator; The water outlet of pure water pressure pot is connected with device for fetching water from through active carbon filter core L5, is provided with electrically-controlled valve k6 on the pipeline between L3 filter core and pump intake; Its special feature is: be provided with the water loop processed of dense water, the water loop processed of described dense water stretches to by one end the dense water water making pipe road that dense water water butt bottom, the other end communicate with pump intake and forms, dense water water making pipe is provided with electrically-controlled valve k14 on road, on dense water water butt, is provided with water level sensor.
The water cleaning systems with dense water water processed and backwashing function of the present invention, comprise that L3 filter-core back-flushing is washed loop, L2 filter-core back-flushing washes loop and L1 filter-core back-flushing is washed loop, described L3 filter-core back-flushing wash loop by being communicated in the pipeline of pump intake to dense water water butt bottom, be communicated in the pipeline that pump outlet and L3 filter core export and the pipeline that is communicated in L3 filter core water-in and wastewater discharge pipe forms; On pipeline between dense water water butt and water pump, be provided with electrically-controlled valve k14, on the pipeline between water pump and L3 filter core, be provided with electrically-controlled valve k5, on the pipeline between L3 filter core and wastewater discharge pipe, arrange by electrically-controlled valve k4; Described L2 filter-core back-flushing wash loop by being communicated in the pipeline of pump intake to dense water water butt bottom, be communicated in the pipeline that pump outlet and L3 filter core export and the pipeline that is communicated in L2 filter core water-in and wastewater discharge pipe forms; On pipeline between dense water water butt and water pump, be provided with electrically-controlled valve k14, on the pipeline between water pump and L3 filter core, be provided with electrically-controlled valve k5, on the pipeline between L2 filter core and wastewater discharge pipe, be provided with electrically-controlled valve k3; Described L1 filter-core back-flushing wash loop by being communicated in the pipeline of pump intake to dense water water butt bottom, be communicated in the pipeline that pump outlet and L3 filter core export and the pipeline that is communicated in L1 filter core water-in and wastewater discharge pipe forms; On pipeline between dense water water butt and water pump, be provided with electrically-controlled valve k14, on the pipeline between water pump and L3 filter core, be provided with electrically-controlled valve k5, on the pipeline between L1 filter core and wastewater discharge pipe, be provided with electrically-controlled valve k2.
The water cleaning systems with dense water water processed and backwashing function of the present invention, comprises the positive flush loop of RO membrane cartridge, RO membrane cartridge back flushing loop and RO filtering membrane back flushing loop; The positive flush loop of described RO membrane cartridge by being communicated in the pipeline of pump intake to dense water water butt bottom, the pipeline that is communicated in the pipeline of pump outlet and RO membrane cartridge water-in and is communicated in the dense water out of RO membrane cartridge and dense water water butt forms; On pipeline between dense water water butt and water pump, be provided with electrically-controlled valve k14, on the pipeline between water pump and RO membrane cartridge water-in, be provided with electrically-controlled valve k8, on the pipeline between the dense water out of RO membrane cartridge and dense water water butt, be provided with electrically-controlled valve k13; Described RO membrane cartridge back flushing loop forms by being communicated in pipeline, the pipeline that is communicated in pump outlet and the dense water out of RO membrane cartridge and the pipeline being communicated between RO membrane cartridge water-in and wastewater discharge pipe of pump intake to dense water water butt bottom; On pipeline between dense water water butt and water pump, be provided with electrically-controlled valve k14, on the pipeline between the dense water water outlet of water pump and RO membrane cartridge, be provided with electrically-controlled valve k7, on the pipeline between RO membrane cartridge water-in and wastewater discharge pipe, be provided with electrically-controlled valve k10; Described RO filtering membrane back flushing loop forms by being communicated in the pipeline of pure water pressure pot and pump intake, the pipeline that is communicated in the outlet of pump outlet and RO membrane cartridge pure water and the pipeline being communicated between RO membrane cartridge water-in and wastewater discharge pipe; On pipeline between pure water pressure pot and water pump, be disposed with electrically-controlled valve k12 and inlet non return check valve m4, on pipeline between water pump and the outlet of RO membrane cartridge pure water, be provided with electrically-controlled valve k9, on the pipeline between RO membrane cartridge water-in and wastewater discharge pipe, be provided with electrically-controlled valve k10.
The water cleaning systems with dense water water processed and backwashing function of the present invention, comprise domestic water pipeline, water service pipe route is passed through successively L1 filter core, L2 filter core and L3 filter core the pipeline being connected with pump intake, is communicated in the pipeline composition of pump outlet and device for fetching water from.。
The water cleaning systems with dense water water processed and backwashing function of the present invention, described former water water inlet pipe is disposed with low-tension switch, electrically-controlled valve k1 and inlet non return check valve m1 to the pipeline between L1 filter core, is provided with high-voltage switch gear G1 on the water outlet of described water pump; The pure water of described RO membrane cartridge is exported on the pipeline between pure water pressure pot and is disposed with electrically-controlled valve k11, inlet non return check valve m3, high-voltage switch gear G2, and pure water pressure pot is provided with inlet non return check valve m2 to the pipeline between active carbon filter core L5.
The water cleaning systems with dense water water processed and backwashing function of the present invention, described L1 filter core is the cotton filter core of PP or ceramic element, and L2 filter core is gac or carbon-point filter core, and L3 filter core is the cotton filter core of carbon-point or PP.
The water cleaning systems with dense water water processed and backwashing function of the present invention, described electrically-controlled valve is motorized valve or magnetic valve.
The process for purifying water with the water cleaning systems of dense water water processed and backwashing function of the present invention, its special feature is, by following steps, realize: a). water processed once, circuit part is controlled electrically-controlled valve k1, k6, k8, k11 in open mode, remaining electrically-controlled valve, in closing condition, starts once water processed of water pump; B). judge whether to reach once water stop condition processed, when the water level that dense water water butt detected by water level sensor when circuit part completely time, pure water pressure pot are sent the full signal of water or high-voltage switch gear G1 and sent pipe high-pressure trouble signal by high-voltage switch gear G2, stop once water processed; C). secondary water processed, when water processed once completes, pure water pressure pot less than time enter the secondary water processed stage, circuit part is controlled electrically-controlled valve k14, k8, k11 in open mode, remaining electrically-controlled valve is in closing condition, and water pump is extracted the water in dense water water butt through RO membrane cartridge out and filtered and carry out secondary water processed; D). judge whether to reach secondary water stop condition processed, in the process of secondary water processed, when circuit part detects liquid level in dense water water butt and drops to certain altitude, high-voltage switch gear G2 and send the full signal of water by water level sensor or when high-voltage switch gear G1 sends pipe high-pressure trouble signal, stop secondary water processed; E). judge whether to reach washing condition, whether the continuous once number of times of water processed of judgement reaches the number of times of regulation, if reach certain number of times and when dense water water storage inner bucket water is full, show rinse, execution step f); If once the number of times of water processed do not reach in the dense water water butt of number of times of regulation water level less than time,, proceed once water processed; F). rinse step, under the control action kou of circuit part, carries out that L3 filter-core back-flushing is washed, L2 filter-core back-flushing is washed, L1 filter-core back-flushing is washed, RO membrane cartridge just rinses, the back flushing of RO membrane cartridge and the back flushing of RO filtering membrane successively; L3 filter-core back-flushing is washed, and circuit part is controlled electrically-controlled valve k14, k5, k4 in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water that extracts some amount carries out back flushing to L3 filter core; L2 filter-core back-flushing is washed, and circuit part is controlled electrically-controlled valve k14, k5, k3 in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water that extracts some amount carries out back flushing to L2 filter core; L1 filter-core back-flushing is washed, and circuit part is controlled electrically-controlled valve k14, k5, k2 in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water that extracts some amount carries out back flushing to L1 filter core; RO membrane cartridge just rinses, and circuit part is controlled electrically-controlled valve k14, k8, k13 in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water that extracts some amount just rinses RO membrane cartridge; The back flushing of RO membrane cartridge, circuit part is controlled electrically-controlled valve k14, k7, k10 in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, the dense water that extracts some amount carries out back flushing to RO membrane cartridge; The back flushing of RO filtering membrane, when pure water pressure pot water is full, circuit part is controlled electrically-controlled valve k12, k9, k10 in open mode, and remaining electrically-controlled valve is in closing condition, and starting mode of pump, utilizes pure water to carry out back flushing to RO filtering membrane; After flushing, wait for and enter once the water stage processed.
Described once water processed utilize former water water processed, and secondary water processed is for utilizing dense water water processed.
The invention has the beneficial effects as follows: water cleaning systems of the present invention, former water water inlet pipe communicates with the water-in of water pump through L1 filter core, L2 filter core and L3 filter core successively, the water outlet of water pump has formed pure water aseptic, free from extraneous odour after RO membrane cartridge, has realized former water water process processed; Simultaneously owing to being provided with the dense water water making pipe road that is communicated with dense water water butt and pump intake, realized and utilized the dense water loop of water processed again, by the water processed again of the dense water after L1, L2, L3 and RO membrane filtration, avoid existing pure water to produce a large amount of wastes of water resources in process, there is obvious water-saving result.
By L1, L2 being set and L3 filter-core back-flushing is washed loop, water pump is realized L1, L2 and L3 filter core is carried out to back flushing by extracting the water of dense water water butt, not only guaranteed that it has good filteration to former glassware for drinking water, and extended the work-ing life of L1, L2 and L3 filter core.By the positive flush loop of RO membrane cartridge, back flushing loop and RO filtering membrane back flushing loop are set, can to RO membrane cartridge, rinse termly, not only guaranteed that RO membrane cartridge has good filtering function all the time, but also extended work-ing life of RO membrane cartridge, avoided existing short duration must change the expensive problem that RO membrane cartridge brings, and existing inflatable carry out the irrational drawback of RO membrane cartridge back flushing.
Water cleaning systems of the present invention and method have dense water water processed and filter core pre-washing function simultaneously, and pipeline arranges rationally, realized saving water resource, have extended the filter element of water purifier effect in work-ing life, and beneficial effect is remarkable, is convenient to application.
Accompanying drawing explanation
Fig. 1 is the schematic diagram with the water cleaning systems of dense water water processed and backwashing function of the present invention;
Fig. 2 is former water water processed (that is: the once water processed) schematic diagram of water cleaning systems of the present invention;
Fig. 3 is dense water water processed (that is: the secondary water processed) schematic diagram of water cleaning systems of the present invention;
Fig. 4 is the schematic diagram that the L3 filter-core back-flushing of water cleaning systems of the present invention is washed;
Fig. 5 is the schematic diagram that the L2 filter-core back-flushing of water cleaning systems of the present invention is washed;
Fig. 6 is the schematic diagram that the L1 filter-core back-flushing of water cleaning systems of the present invention is washed;
Fig. 7 is the schematic diagram that the RO membrane cartridge of water cleaning systems of the present invention is just rinsing;
Fig. 8 is the schematic diagram of the RO membrane cartridge back flushing of water cleaning systems of the present invention;
Fig. 9 is the schematic diagram of the RO filtering membrane back flushing of water cleaning systems of the present invention;
Figure 10 is the schematic diagram of the domestic water pipeline of water cleaning systems of the present invention.
In figure: 1 low-tension switch, 2 water pumps, 3 waste water proportioner regulators, 4 water level sensors, 5 dense water water butts, 6 pure water pressure pots, 7 L1 filter cores, 8 L2 filter cores, 9 L3 filter cores, 10 RO membrane cartridge L4,11 active carbon filter core L5,12 device for fetching water from, 13 former water water inlet pipes; K1~k14 is electrically-controlled valve, and m1, m2, m3, m4 are inlet non return check valve, and G1, G2 are high-voltage switch gear.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, provided the schematic diagram with the water cleaning systems of dense water water processed and backwashing function of the present invention, it comprises former water water inlet pipe 13, low-tension switch 1, water pump 2, waste water proportioner regulator 3, water level sensor 4, dense water water butt 5, pure water pressure pot 6, L1 filter core 7, L2 filter core 8, L3 filter core 9, RO membrane cartridge 10, active carbon filter core L5(11), device for fetching water from 12, former water water inlet pipe 13, electrically-controlled valve k1~k14, inlet non return check valve (m1, m2, m3, m4), high-voltage switch gear G1 and G2 and circuit part; On the pipeline of the water-in of shown former water water inlet pipe 13 to L1 filter cores 7, be disposed with low-tension switch 1, electrically-controlled valve k1 and inlet non return check valve m1, low-tension switch 1 is arranged on pipeline by tee pipe fitting, realize the effect that former water low pressure detects, when hydraulic pressure being detected by low-tension switch 1 when too low, can stop water pump 2 from the operation of drawing water of former water water inlet pipe 13; Electrically-controlled valve k1 controls the on off state of pipeline, and inlet non return check valve m1 is used for guaranteeing that former water flows to L1 filter core 7 one end all the time.The former water being flowed out by inlet non return check valve m1 is delivered to the water-in of water pump 2 successively after L1 filter core 7, L2 filter core 8, L3 filter core 9 and electrically-controlled valve k6, the water outlet of water pump 2 communicates with the water-in of RO membrane cartridge 10 through high-voltage switch gear G1, electrically-controlled valve k8 successively, the high voltage fault that high-voltage switch gear G1 realizes water pump water outlet pipeline detects, when the hydraulic pressure of water pump output terminal being detected by high-voltage switch gear G1 when too high, can stop the operation of water pump 2, in order to avoid damage water pump 2 and pipeline; Electrically-controlled valve k8 realizes the break-make of pipeline between water pump 2 to RO membrane cartridges 10 and controls.
The dense water water outlet of shown RO membrane cartridge 10 communicates with dense water water butt 5 through waste water proportioner regulator 3.Water level sensor 4 is arranged in dense water water butt 5, for detection of the liquid level in dense water water butt 5.The pure water outlet of RO membrane cartridge 10 communicates with pure water pressure pot 6 successively after electrically-controlled valve k11, inlet non return check valve m3, high-voltage switch gear G2, and whether high-voltage switch gear G2 is for detection of full in pure water pressure pot 6; The bung of pure water pressure pot 6 is through inlet non return check valve m2 and active carbon filter core L5(11) water-in communicate, active carbon filter core L5(11) water outlet be connected with device for fetching water from 12, realize taking of pure water.
As shown in Figure 2, provided the schematic diagram of Central Plains water of the present invention water processed, the former water being flowed into by former water water inlet pipe 13, under the extraction of water pump 2, successively through L1 filter core, after the filtration of L2 filter core and L3 filter core, input to the water-in of RO membrane cartridge 10, after the filtration of RO membrane cartridge 10, pure water flows in pure water pressure pot 6 through the pure water outlet of RO membrane cartridge 10, dense water flows in dense water water butt 5 through the dense water out of RO membrane cartridge 10, realization utilizes former water water process processed, the dense water out of RO membrane cartridge 10 is provided with waste water proportioner regulator 3 to the pipeline between dense water water butt 5, it is proportional valve, for controlling the ratio of pure water and dense water generates, its ratio is generally 1:3 left and right, the pure water producing through RO membrane cartridge 10 and the ratio of dense water are 1:3, in the process of producing at pure water undoubtedly, can produce a large amount of dense water, if a large amount of dense water is not in addition again filtered and is utilized, be undoubtedly a kind of waste, in former water water process processed, circuit part is controlled electrically-controlled valve k1, k6, k8, k11 is in open mode, remaining electrically-controlled valve is in closing condition.
As shown in Figure 3, provided the schematic diagram of dense water water processed in the present invention, the one end on shown dense water water making pipe road stretches to the bottom of dense water water butt 5, the other end communicates with the water-in of water pump 2, under the effect of water pump 2, " dense water " in dense water water butt 5 is extracted to the water-in of RO membrane cartridge 10 and again filter, realize and make full use of the dense water object of water processed again.In the process of dense water water processed, except electrically-controlled valve k14, k8, k11 are in open mode, remaining electrically-controlled valve should be all in closing condition.
As shown in Figure 4, provided the schematic diagram that in the present invention, L3 filter-core back-flushing is washed, the water outlet of water pump 2 communicates with the water outlet of L3 filter core 9 through high-voltage switch gear G1, electrically-controlled valve k5 successively, the water-in of L3 filter core 9 communicates with wastewater discharge pipe through electrically-controlled valve k4, water pump 2 is extracted the water in dense water water butt out through the water loop processed of dense water, force water from the water outlet of L3 filter core enter, water-in discharges, the water after flushing is discharged through wastewater discharge pipe, has just formed L3 filter-core back-flushing and has washed process.In the process of washing at L3 filter-core back-flushing, except electrically-controlled valve k14, k5, k4 are in open mode, remaining electrically-controlled valve should be all in closing condition.
As shown in Figure 5, provided the schematic diagram that L2 filter-core back-flushing is washed, the water-in of shown L2 filter core 8 communicates with wastewater discharge pipe by being provided with the pipeline of magnetic valve k3.Water pump 2 is extracted water in dense water water butt 5 out, passes into the water outlet of L2 filter core 8 after the pipeline at high-voltage switch gear G1 and electrically-controlled valve k5 place, L3 filter core 9, by water by the water outlet of L2 filter core 8 enter, water-in ejects the back flushing realizing L2 filter core 8.In the process of washing at L2 filter-core back-flushing, except electrically-controlled valve k14, k5, k3 are in open mode, remaining electrically-controlled valve should be all in closing condition.In the process of L2 filter core 8 back flushinges, although water has flow through L3 filter core 9, in the situation that first L3 filter core 9 has carried out rinsing, can not affect the back flushing of L2 filter core 8.
As shown in Figure 6, provided the schematic diagram that L1 filter-core back-flushing is washed, the water-in of shown L1 filter core 7 communicates with wastewater discharge pipe after the pipeline at electrically-controlled valve k2 place.Water pump 2 is extracted the water in dense water water butt 5 out, pipeline, L3 filter core 9, L2 filter core 8 through high-voltage switch gear G1 and electrically-controlled valve k5 place inputs to the water outlet of L1 filter core 7, water outlet inflow, water-in by water through L1 filter core 7 flow out, realize the back flushing of L1 filter core 7, the water after flushing flows out through wastewater discharge pipe.In the process of washing at L1 filter-core back-flushing, except electrically-controlled valve k14, k5, k2 are in open mode, remaining electrically-controlled valve should be all in closing condition.In the process of L1 filter core 7 back flushinges, although water has flow through L3 filter core 9, L2 filter core 8, in the situation that first L3 filter core 9 and L2 filter core 8 carried out rinsing, can not affect the back flushing of L1 filter core 7.
Active carbon filter core L5 is arranged at the water side of pure water pressure pot 6, mainly plays antibacterial, to regulate the mouthfeel of water effect, makes pure water glycol sweet; What flow through all the time due to active carbon filter core L5 is pure water, without active carbon filter core L5 is carried out to backwash operation.
As shown in Figure 7, provided the schematic diagram that in the present invention, RO membrane cartridge is just rinsing, the dense water out of shown RO membrane cartridge 10 communicates with dense water water butt 5 after the pipeline at k13 place.After water pump 2 is extracted the water in dense water water butt 5 out, input to the water-in of RO membrane cartridge 10 through high-voltage switch gear G1, electrically-controlled valve k8, the water entering is drained in dense water water butt 5 through the dense water out of RO membrane cartridge 10, to realize the just flushing of RO membrane cartridge.In the process of just rinsing of RO membrane cartridge, except electrically-controlled valve k14, k8, k13 are in open mode, remaining electrically-controlled valve should be all in closing condition.
As shown in Figure 8, provided the schematic diagram of RO membrane cartridge 10 back flushinges in the present invention, the water outlet of shown water pump 2 communicates with the dense water out of RO membrane cartridge 10 after being provided with high-voltage switch gear G1 and electrically-controlled valve k7 pipeline, and the water-in of RO membrane cartridge 10 communicates with wastewater discharge pipe through the pipeline at electrically-controlled valve k10 place.Water pump 2 inputs to the dense water water outlet of RO membrane cartridge 10 after the water in dense water water butt 5 is extracted out, and discharges through the water-in of RO membrane cartridge 10, realizes the back flushing to RO membrane cartridge 10.In the process of RO membrane cartridge back flushing, only have electrically-controlled valve k14, k7, k10 in open mode, remaining electrically-controlled valve is all in closing condition.
As shown in Figure 9, provided the schematic diagram of RO filtering membrane back flushing in the present invention, the water outlet of shown pure water pressure pot 6 communicates with the water-in of water pump 2 through the pipeline at electrically-controlled valve k12 and inlet non return check valve m4 place, and the water outlet of water pump 2 communicates with the pure water outlet of RO membrane cartridge 10 after high-voltage switch gear G1, electrically-controlled valve k9.Water pump 2 is extracted pure water in pure water pressure pot 6 out, and through the pipeline at electrically-controlled valve k9 place, delivers to the pure water outlet of RO membrane cartridge 10, pure water by the pure water outlet of RO membrane cartridge 10 enter, water-in discharges, and realizes the back flushing to RO filtering membrane.The object of inlet non return check valve m4 is set on the pipeline between pure water pressure pot 6 and water pump 2 water-ins, is in order to prevent the moment of electrically-controlled valve k12 break-make, and the water after filtering without RO filtering membrane enters into pure water pressure pot 6.In the process of RO filtering membrane back flushing, only have electrically-controlled valve k12, k9, k10 in open mode, remaining electrically-controlled valve is all in closing condition.
As shown in figure 10, provided the schematic diagram in domestic water loop in the present invention, the former water in shown former water water inlet pipe, after the filtration of L1 filter core 7, L2 filter core 8, L3 filter core 9, is evacuated in device for fetching water from 12 by water pump 2, as daily life water.When domestic water is taken, only have electrically-controlled valve k1 and k6 in open mode, remaining electrically-controlled valve is all in closing condition.
Electrically-controlled valve k1~k14 recited above can adopt motorized valve or magnetic valve, and L1 filter core 7 is the cotton filter core of PP or ceramic element, and L2 filter core 8 is gac or carbon-point filter core, and L3 filter core 9 is the cotton filter core of carbon-point or PP.Former water water processed, dense water water processed, L3 filter-core back-flushing are washed, L2 filter-core back-flushing is washed, L1 filter-core back-flushing is washed, RO membrane cartridge just rinses, the back flushing of RO membrane cartridge, the back flushing of RO filtering membrane all realize by the control of circuit part.

Claims (8)

1. a water cleaning systems with dense water water processed and backwashing function, comprise former water water inlet pipe (13), water pump (2), RO membrane cartridge (10), dense water water butt (5), pure water pressure pot (6) and circuit part, on RO membrane cartridge, be provided with water-in, dense water out and pure water outlet; Former water water inlet pipe is connected to the water-in of water pump successively after L1 filter core (7), L2 filter core (8) and L3 filter core (9), the water outlet of water pump communicates with the water-in of RO membrane cartridge, the dense water out of RO membrane cartridge and pure water outlet communicate with dense water water butt and pure water pressure pot respectively, on the pipeline between the dense water out of RO membrane cartridge and dense water water butt, are provided with waste water proportioner regulator (3); The water outlet of pure water pressure pot is connected with device for fetching water from (12) through active carbon filter core L5, is provided with electrically-controlled valve k6 on the pipeline between L3 filter core and pump intake; It is characterized in that: be provided with the water loop processed of dense water, the water loop processed of described dense water stretches to by one end the dense water water making pipe road that dense water water butt bottom, the other end communicate with pump intake and forms, dense water water making pipe is provided with electrically-controlled valve k14 on road, on dense water water butt, is provided with water level sensor.
2. the water cleaning systems with dense water water processed and backwashing function according to claim 1, is characterized in that: comprise that L3 filter-core back-flushing is washed loop, L2 filter-core back-flushing washes loop and L1 filter-core back-flushing is washed loop;
Described L3 filter-core back-flushing wash loop by being communicated in the pipeline of water pump (2) water-in to dense water water butt (5) bottom, be communicated in the pipeline that pump outlet and L3 filter core export and the pipeline that is communicated in L3 filter core water-in and wastewater discharge pipe forms; On pipeline between dense water water butt and water pump, be provided with electrically-controlled valve k14, on the pipeline between water pump and L3 filter core, be provided with electrically-controlled valve k5, on the pipeline between L3 filter core and wastewater discharge pipe, be provided with electrically-controlled valve k4;
Described L2 filter-core back-flushing wash loop by being communicated in the pipeline of pump intake to dense water water butt bottom, be communicated in the pipeline that pump outlet and L3 filter core export and the pipeline that is communicated in L2 filter core water-in and wastewater discharge pipe forms; On pipeline between dense water water butt and water pump, be provided with electrically-controlled valve k14, on the pipeline between water pump and L3 filter core, be provided with electrically-controlled valve k5, on the pipeline between L2 filter core and wastewater discharge pipe, be provided with electrically-controlled valve k3;
Described L1 filter-core back-flushing wash loop by being communicated in the pipeline of pump intake to dense water water butt bottom, be communicated in the pipeline that pump outlet and L3 filter core export and the pipeline that is communicated in L1 filter core water-in and wastewater discharge pipe forms; On pipeline between dense water water butt and water pump, be provided with electrically-controlled valve k14, on the pipeline between water pump and L3 filter core, be provided with electrically-controlled valve k5, on the pipeline between L1 filter core and wastewater discharge pipe, be provided with electrically-controlled valve k2.
3. the water cleaning systems with dense water water processed and backwashing function according to claim 1 and 2, is characterized in that: comprise the positive flush loop of RO membrane cartridge, RO membrane cartridge back flushing loop and RO filtering membrane back flushing loop;
The positive flush loop of described RO membrane cartridge by being communicated in the pipeline of pump intake to dense water water butt bottom, the pipeline that is communicated in the pipeline of water pump (2) water outlet and RO membrane cartridge (10) water-in and is communicated in the dense water out of RO membrane cartridge and dense water water butt forms; On pipeline between dense water water butt and water pump, be provided with electrically-controlled valve k14, on the pipeline between water pump and RO membrane cartridge water-in, be provided with electrically-controlled valve k8, on the pipeline between the dense water out of RO membrane cartridge and dense water water butt, be provided with electrically-controlled valve k13;
Described RO membrane cartridge back flushing loop forms by being communicated in pipeline, the pipeline that is communicated in pump outlet and the dense water out of RO membrane cartridge and the pipeline being communicated between RO membrane cartridge water-in and wastewater discharge pipe of pump intake to dense water water butt bottom; On pipeline between dense water water butt and water pump, be provided with electrically-controlled valve k14, on the pipeline between the dense water water outlet of water pump and RO membrane cartridge, be provided with electrically-controlled valve k7, on the pipeline between RO membrane cartridge water-in and wastewater discharge pipe, be provided with electrically-controlled valve k10;
Described RO filtering membrane back flushing loop forms by being communicated in the pipeline of pure water pressure pot and pump intake, the pipeline that is communicated in the outlet of pump outlet and RO membrane cartridge pure water and the pipeline being communicated between RO membrane cartridge water-in and wastewater discharge pipe; On pipeline between pure water pressure pot and water pump, be disposed with electrically-controlled valve k12 and inlet non return check valve m4, on pipeline between water pump and the outlet of RO membrane cartridge pure water, be provided with electrically-controlled valve k9, on the pipeline between RO membrane cartridge water-in and wastewater discharge pipe, be provided with electrically-controlled valve k10.
4. the water cleaning systems with dense water water processed and backwashing function according to claim 1 and 2, it is characterized in that: comprise domestic water pipeline, the pipeline that water service pipe route passes through L1 filter core (7), L2 filter core (8) and L3 filter core (9) the pipeline being connected with water pump (2) water-in successively, be communicated in pump outlet and device for fetching water from forms.
5. the water cleaning systems with dense water water processed and backwashing function according to claim 1 and 2, it is characterized in that: described former water water inlet pipe (13) is disposed with low-tension switch (1), electrically-controlled valve k1 and inlet non return check valve m1 to the pipeline between L1 filter core (7), on the water outlet of described water pump (2), is provided with high-voltage switch gear G1; The pure water of described RO membrane cartridge (10) is exported on the pipeline between pure water pressure pot and is disposed with electrically-controlled valve k11, inlet non return check valve m3, high-voltage switch gear G2, and pure water pressure pot is to active carbon filter core L5(11) between pipeline on be provided with inlet non return check valve m2.
6. the water cleaning systems with dense water water processed and backwashing function according to claim 1 and 2, it is characterized in that: described L1 filter core (7) is the cotton filter core of PP or ceramic element, L2 filter core (8) is gac or carbon-point filter core, and L3 filter core (9) is the cotton filter core of carbon-point or PP.
7. the water cleaning systems with dense water water processed and backwashing function according to claim 1 and 2, is characterized in that: described electrically-controlled valve is motorized valve or magnetic valve.
8. based on a process for purifying water with the water cleaning systems of dense water water processed and backwashing function claimed in claim 1, it is characterized in that, by following steps, realize:
A). water processed once, circuit part is controlled electrically-controlled valve k1, k6, k8, k11 in open mode, and remaining electrically-controlled valve, in closing condition, starts once water processed of water pump;
B). judge whether to reach once water stop condition processed, when the water level that dense water water butt detected by water level sensor when circuit part completely time, pure water pressure pot are sent the full signal of water or high-voltage switch gear G1 and sent pipe high-pressure trouble signal by high-voltage switch gear G2, stop once water processed;
C). secondary water processed, when water processed once completes, pure water pressure pot less than time enter the secondary water processed stage, circuit part is controlled electrically-controlled valve k14, k8, k11 in open mode, remaining electrically-controlled valve is in closing condition, and water pump is extracted the water in dense water water butt through RO membrane cartridge out and filtered and carry out secondary water processed;
D). judge whether to reach secondary water stop condition processed, in the process of secondary water processed, when circuit part detects liquid level in dense water water butt and drops to certain altitude, high-voltage switch gear G2 and send the full signal of water or high-voltage switch gear G1 and send pipe high-pressure trouble signal by water level sensor, stop secondary water processed;
E). judge whether to reach washing condition, whether the continuous once number of times of water processed of judgement reaches the number of times of regulation, if reach certain number of times and when dense water water storage inner bucket water is full, show rinse, execution step f); If once the number of times of water processed do not reach in the number of times of regulation or dense water water butt water level less than time, proceed once water processed and secondary water processed;
F). rinse step, under the control action kou of circuit part, carries out that L3 filter-core back-flushing is washed, L2 filter-core back-flushing is washed, L1 filter-core back-flushing is washed, RO membrane cartridge just rinses, the back flushing of RO membrane cartridge and the back flushing of RO filtering membrane successively;
L3 filter-core back-flushing is washed, and circuit part is controlled electrically-controlled valve k14, k5, k4 in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water that extracts some amount carries out back flushing to L3 filter core;
L2 filter-core back-flushing is washed, and circuit part is controlled electrically-controlled valve k14, k5, k3 in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water that extracts some amount carries out back flushing to L2 filter core;
L1 filter-core back-flushing is washed, and circuit part is controlled electrically-controlled valve k14, k5, k2 in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water that extracts some amount carries out back flushing to L1 filter core;
RO membrane cartridge just rinses, and circuit part is controlled electrically-controlled valve k14, k8, k13 in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water that extracts some amount just rinses RO membrane cartridge;
The back flushing of RO membrane cartridge, when pure water pressure pot water is full, circuit part is controlled electrically-controlled valve k14, k7, k10 in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, the dense water that extracts some amount carries out back flushing to RO membrane cartridge;
The back flushing of RO filtering membrane, circuit part is controlled electrically-controlled valve k12, k9, k10 in open mode, and remaining electrically-controlled valve is in closing condition, and starting mode of pump, utilizes pure water to carry out back flushing to RO filtering membrane;
After flushing, wait for and enter once the water stage processed.
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WO2016082675A1 (en) * 2014-11-28 2016-06-02 莱克电气绿能科技(苏州)有限公司 Water purifying machine
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CN106186411A (en) * 2016-09-07 2016-12-07 曼瑞德集团有限公司 A kind of purifier
CN109231532A (en) * 2018-11-26 2019-01-18 上海凯矜新材料科技有限公司 Water purifier
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CN114833116A (en) * 2022-03-31 2022-08-02 南网电力检修(广东)有限公司 Charged water washing water making equipment

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