CN104030475B - A kind of water cleaning systems and method with dense water water and backwashing function - Google Patents
A kind of water cleaning systems and method with dense water water and backwashing function Download PDFInfo
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- CN104030475B CN104030475B CN201410322149.1A CN201410322149A CN104030475B CN 104030475 B CN104030475 B CN 104030475B CN 201410322149 A CN201410322149 A CN 201410322149A CN 104030475 B CN104030475 B CN 104030475B
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Abstract
Water cleaning systems and the method with dense water water and backwashing function of the present invention, comprise former water water inlet pipe, water pump, RO membrane cartridge, dense water water butt, pure water pressure pot and circuit part, the dense water out of RO membrane cartridge and pure water outlet communicate with dense water water butt and pure water pressure pot respectively, and the water outlet of pure water pressure pot is connected with device for fetching water from through active carbon filter core; Be characterised in that: be provided with dense water water loop, described dense water water loop stretches to bottom dense water water butt by one end, dense water water making pipe road that the other end communicates with pump intake forms, dense water water making pipe road is provided with electrically-controlled valve k14.Water cleaning systems of the present invention, utilizes the loop water processed again of dense water water processed again, avoids water resource waste; Loop is washed by arranging L1, L2 and L3 filter-core back-flushing, and the positive and negative flushing of RO filter core and RO filtering membrane back flushing loop, not only ensure that filtering function, but also extend work-ing life, beneficial effect is remarkable, is convenient to application.
Description
Technical field
The present invention relates to a kind of water cleaning systems and the method with dense water water and backwashing function, in particular, particularly relate to and be a kind ofly applied to the water cleaning systems with dense water water and backwashing function on water purifying plant and method.
Background technology
At present, known RO water-purifying machine is made up of major partss such as low-tension switch, water pump, entering water electromagnetic valve, high-voltage switch gear, scouring electromagnetic valve, reverse checkvalve, waste water proportioner, Pyatyi filtration core.This machine is water produced of fine quality good, and the overwhelming majority but produces " waste water " (correct saying should be dense water) of pure water and waste water 1:3 or higher when producing water, thus causes great lot of water resources to waste.Because structure and operation scheme determined, the pure water of water purifier self output is refiltered one time, " waste water " of same meeting output 1:3 or higher, this structure and operation scheme also exist very large irrationality.Equally because structure and operation scheme determined, be about to begin more renew cartridge for 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 insufficient pressure stored by air bag, uneven, 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 and is a kind ofly applied to the water cleaning systems with dense water water and backwashing function on water purifying plant and method.
The water cleaning systems with dense water water 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, RO membrane cartridge is provided with the outlet of water-in, dense water out and pure water; 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, and the pipeline between the dense water out of RO membrane cartridge and dense water water butt is 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, and the pipeline between L3 filter core and pump intake is provided with electrically-controlled valve k6; Its special feature is: be provided with dense water water loop, the dense water water making pipe road that described dense water water loop stretches to bottom dense water water butt by one end, the other end communicates with pump intake is formed, dense water water making pipe road is provided with electrically-controlled valve k14, dense water water butt is provided with water level sensor.
The water cleaning systems with dense water water and backwashing function of the present invention, comprise that L3 filter-core back-flushing washes loop, L2 filter-core back-flushing washes loop and L1 filter-core back-flushing washes loop, described L3 filter-core back-flushing is washed loop and is made up of the pipeline be communicated in bottom pump intake to dense water water butt, the pipeline being communicated in pump outlet and L3 filter cartridge outlet and the pipeline that is communicated in L3 filter core water-in and wastewater discharge pipe; Pipeline between dense water water butt and water pump is provided with electrically-controlled valve k14, the pipeline between water pump and L3 filter core is provided with electrically-controlled valve k5, the pipeline between L3 filter core and wastewater discharge pipe is arranged by electrically-controlled valve k4; Described L2 filter-core back-flushing is washed loop and is formed to the pipeline bottom dense water water butt, the pipeline being communicated in pump outlet and L3 filter cartridge outlet and the pipeline that is communicated in L2 filter core water-in and wastewater discharge pipe by being communicated in pump intake; Pipeline between dense water water butt and water pump is provided with electrically-controlled valve k14, the pipeline between water pump and L3 filter core is provided with electrically-controlled valve k5, the pipeline between L2 filter core and wastewater discharge pipe is provided with electrically-controlled valve k3; Described L1 filter-core back-flushing is washed loop and is formed to the pipeline bottom dense water water butt, the pipeline being communicated in pump outlet and L3 filter cartridge outlet and the pipeline that is communicated in L1 filter core water-in and wastewater discharge pipe by being communicated in pump intake; Pipeline between dense water water butt and water pump is provided with electrically-controlled valve k14, the pipeline between water pump and L3 filter core is provided with electrically-controlled valve k5, the pipeline between L1 filter core and wastewater discharge pipe is provided with electrically-controlled valve k2.
The water cleaning systems with dense water water 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 forms to the pipeline bottom dense water water butt, the pipeline being communicated in pump outlet and RO membrane cartridge water-in and the pipeline that is communicated in the dense water out of RO membrane cartridge and dense water water butt by being communicated in pump intake; Pipeline between dense water water butt and water pump is provided with electrically-controlled valve k14, the pipeline between water pump and RO membrane cartridge water-in is provided with electrically-controlled valve k8, the pipeline between the dense water out of RO membrane cartridge and dense water water butt is provided with electrically-controlled valve k13; Described RO membrane cartridge back flushing loop is made up of pipeline, the pipeline being communicated in pump outlet and the dense water out of RO membrane cartridge and the pipeline be communicated between RO membrane cartridge water-in and wastewater discharge pipe be communicated in bottom pump intake to dense water water butt; Pipeline between dense water water butt and water pump is provided with electrically-controlled valve k14, the pipeline between water pump and the dense water water outlet of RO membrane cartridge is provided with electrically-controlled valve k7, the pipeline between RO membrane cartridge water-in and wastewater discharge pipe is provided with electrically-controlled valve k10; Described RO filtering membrane back flushing loop by be communicated in pure water pressure pot and pump intake pipeline, be communicated in pipeline that pump outlet and RO membrane cartridge pure water export and the pipeline be communicated between RO membrane cartridge water-in and wastewater discharge pipe forms; Pipeline between pure water pressure pot and water pump is disposed with electrically-controlled valve k12 and inlet non return check valve m4, pipeline between water pump and RO membrane cartridge pure water export is provided with electrically-controlled valve k9, the pipeline between RO membrane cartridge water-in and wastewater discharge pipe is provided with electrically-controlled valve k10.
The water cleaning systems with dense water water and backwashing function of the present invention, comprise domestic water pipeline, the pipeline that water service pipe route is connected with L3 filter core and with pump intake through L1 filter core, L2 filter core successively, the pipeline being communicated in pump outlet and device for fetching water from form.。
The water cleaning systems with dense water water and backwashing function of the present invention, the pipeline between described former water water inlet pipe to L1 filter core is disposed with low-tension switch, electrically-controlled valve k1 and inlet non return check valve m1, the water outlet of described water pump is provided with high-voltage switch gear G1; 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 the pipeline between pure water pressure pot to active carbon filter core L5 is provided with inlet non return check valve m2.
The water cleaning systems with dense water water 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 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 and backwashing function of the present invention, its special feature is, realized by following steps: a). once water processed, circuit part controls electrically-controlled valve k1, k6, k8, k11 are in open mode, remaining electrically-controlled valve is in closing condition, starts water pump once water processed; B). judge whether to reach once water stop condition processed, when the water level that circuit part detects dense water water butt by water level sensor completely time, pure water pressure pot by high-voltage switch gear G2 send the full signal of water or high-voltage switch gear G1 send pipe high-pressure trouble signal time, stop once water processed; C). secondary water, when once water processed completes, pure water pressure pot less than time enter the secondary water stage, circuit part controls electrically-controlled valve k14, k8, k11 are in open mode, remaining electrically-controlled valve is in closing condition, and the water in dense water water butt is extracted out and carried out secondary water through the filtration of RO membrane cartridge by water pump; D). judge whether to reach secondary water stop condition, in the process of secondary water, when the liquid level that circuit part to be detected by water level sensor in dense water water butt drop to certain altitude, high-voltage switch gear G2 send water full signal time or high-voltage switch gear G1 send pipe high-pressure trouble signal time, stop secondary water; E). judge whether to reach washing condition, judge continuously once whether the number of times of water processed 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, perform step f); If once the number of times of water processed do not reach regulation the dense water water butt of number of times in water level less than time, then 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 controls electrically-controlled valve k14, k5, k4 are in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water extracting some amount carries out back flushing to L3 filter core; L2 filter-core back-flushing is washed, and circuit part controls electrically-controlled valve k14, k5, k3 are in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water extracting some amount carries out back flushing to L2 filter core; L1 filter-core back-flushing is washed, and circuit part controls electrically-controlled valve k14, k5, k2 are in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water extracting some amount carries out back flushing to L1 filter core; RO membrane cartridge just rinses, and circuit part controls electrically-controlled valve k14, k8, k13 are in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water extracting some amount just rinses RO membrane cartridge; The back flushing of RO membrane cartridge, circuit part controls electrically-controlled valve k14, k7, k10 are in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water extracting 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 controls electrically-controlled valve k12, k9, k10 are in open mode, and remaining electrically-controlled valve is in closing condition, 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.
Namely described water once processed utilize former water to carry out water processed, and secondary water carries out water processed for utilizing dense water.
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 defines pure water that is aseptic, free from extraneous odour after RO membrane cartridge, achieves former water water process; Simultaneously owing to being provided with the dense water water making pipe road being communicated with dense water water butt and pump intake, achieve the loop utilizing dense water water processed again, by the water processed again of the dense water after L1, L2, L3 and RO membrane filtration, avoid a large amount of wastes of water resources in existing pure water producing process, there is obvious water-saving result.
Loop is washed by arranging L1, L2 and L3 filter-core back-flushing, water pump realizes carrying out back flushing to L1, L2 and L3 filter core by the water extracting dense water water butt, not only ensure that it has good filteration to former glassware for drinking water, and extend the work-ing life of L1, L2 and L3 filter core.By arranging the positive flush loop of RO membrane cartridge, back flushing loop and RO filtering membrane back flushing loop, can rinse RO membrane cartridge termly, not only ensure that RO membrane cartridge has excellent filtering function all the time, but also extend the work-ing life of RO membrane cartridge, avoiding existing short duration must change the high cost problem that RO membrane cartridge brings, and existing inflatable carries out the irrational drawback of RO membrane cartridge back flushing.
Water cleaning systems of the present invention and method, have dense water water and filter core pre-washing function, pipeline is arranged rationally simultaneously, the effect achieve saving water resource, extending filter element of water purifier 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 and backwashing function of the present invention;
Fig. 2 is former water water (that is: the once water processed) schematic diagram of water cleaning systems of the present invention;
Fig. 3 is dense water water (that is: the secondary water) 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, 7L1 filter core, 8L2 filter core, 9L3 filter core, 10RO 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, give the schematic diagram with the water cleaning systems of dense water water 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; The pipeline of the water-in of shown former water water inlet pipe 13 to L1 filter core 7 is 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 detecting that hydraulic pressure is too low by low-tension switch 1, water pump 2 can be stopped from the operation of drawing water of former water water inlet pipe 13; The on off state of electrically-controlled valve k1 to pipeline controls, and inlet non return check valve m1 is for ensureing that former water flows to L1 filter core 7 one end all the time.The former water 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 detecting that the hydraulic pressure of water pump output terminal is too high by high-voltage switch gear G1, the operation of water pump 2 can be stopped, in order to avoid damage water pump 2 and pipeline; The break-make that electrically-controlled valve k8 realizes pipeline between water pump 2 to RO membrane cartridge 10 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 detecting 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 full for detecting 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, give the schematic diagram of Central Plains of the present invention water water, the former water 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, pipeline between the dense water out of RO membrane cartridge 10 to dense water water butt 5 is provided with waste water proportioner regulator 3, i.e. proportional valve, for controlling the ratio of pure water and the generation of dense water, its ratio is generally about 1:3, namely the pure water produced through RO membrane cartridge 10 and the ratio of dense water are 1:3, a large amount of dense water can be produced in the process produced at pure water undoubtedly, if again do not filtered utilization to a large amount of dense water, a kind of beyond doubt waste, in former water water process, circuit part controls electrically-controlled valve k1, k6, k8, k11 is in open mode, remaining electrically-controlled valve is in closing condition.
As shown in Figure 3, give the schematic diagram of dense water water 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, " the dense water " in dense water water butt 5 is extracted and again filter to the water-in of RO membrane cartridge 10, realize making full use of the object of dense water water processed again.In the process of dense water water, except electrically-controlled valve k14, k8, k11 are in except open mode, remaining electrically-controlled valve all should be in closing condition.
As shown in Figure 4, give 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 in dense water water butt is extracted out through dense water water loop by water pump 2, force that water enters from the water outlet of L3 filter core, water-in discharges, the water after flushing is discharged through wastewater discharge pipe, just defines the washed journey of L3 filter-core back-flushing.In the process that L3 filter-core back-flushing is washed, except electrically-controlled valve k14, k5, k4 are in except open mode, remaining electrically-controlled valve all should be in closing condition.
As shown in Figure 5, give the schematic diagram that L2 filter-core back-flushing is washed, the water-in of shown L2 filter core 8 is communicated with wastewater discharge pipe by the pipeline being provided with magnetic valve k3.Water in dense water water butt 5 is extracted out by water pump 2, passes into the water outlet of L2 filter core 8, is entered by water by the water outlet of L2 filter core 8, water-in ejects the back flushing realized L2 filter core 8 after the pipeline, L3 filter core 9 at high-voltage switch gear G1 and electrically-controlled valve k5 place.In the process that L2 filter-core back-flushing is washed, except electrically-controlled valve k14, k5, k3 are in except open mode, remaining electrically-controlled valve all should be in closing condition.In the process of L2 filter core 8 back flushing, although water has flow through L3 filter core 9, when first L3 filter core 9 has carried out rinsing, the back flushing of L2 filter core 8 can not be affected.
As shown in Figure 6, give 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 in dense water water butt 5 is extracted out by water pump 2, pipeline through high-voltage switch gear G1 and electrically-controlled valve k5 place, L3 filter core 9, L2 filter core 8 input to the water outlet of L1 filter core 7, flowed into through the water outlet of L1 filter core 7 by water, water-in flow out, realize the back flushing of L1 filter core 7, the water after flushing flows out through wastewater discharge pipe.In the process that L1 filter-core back-flushing is washed, except electrically-controlled valve k14, k5, k2 are in except open mode, remaining electrically-controlled valve all should be in closing condition.In the process of L1 filter core 7 back flushing, although water has flow through L3 filter core 9, L2 filter core 8, when first L3 filter core 9 and L2 filter core 8 have carried out rinsing, the back flushing of L1 filter core 7 can not be affected.
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 the need to carrying out backwash operation to active carbon filter core L5.
As shown in Figure 7, give 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 in dense water water butt 5 is extracted out by water pump 2, input to the water-in of RO membrane cartridge 10 through high-voltage switch gear G1, electrically-controlled valve k8, the water entered is drained in dense water water butt 5, to realize the just flushing of RO membrane cartridge through the dense water out of RO membrane cartridge 10.In the process of just rinsing of RO membrane cartridge, except electrically-controlled valve k14, k8, k13 are in except open mode, remaining electrically-controlled valve all should be in closing condition.
As shown in Figure 8, give the schematic diagram of RO membrane cartridge 10 back flushing 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 pipeline of water-in through electrically-controlled valve k10 place of RO membrane cartridge 10 communicates with wastewater discharge pipe.Water pump 2 inputs to the dense water water outlet of RO membrane cartridge 10 after being extracted out by the water in dense water water butt 5, 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 be in open mode, remaining electrically-controlled valve is all in closing condition.
As shown in Figure 9, give the schematic diagram of RO filtering membrane back flushing in the present invention, the pipeline of water outlet through electrically-controlled valve k12 and inlet non return check valve m4 place of shown pure water pressure pot 6 communicates with the water-in of water pump 2, and the water outlet of water pump 2 exports with the pure water of RO membrane cartridge 10 and communicates after high-voltage switch gear G1, electrically-controlled valve k9.Pure water in pure water pressure pot 6 is extracted out by water pump 2, and the pipeline through electrically-controlled valve k9 place delivers to the pure water outlet of RO membrane cartridge 10, and pure water is entered by the pure water outlet of RO membrane cartridge 10, water-in is discharged, and realizes the back flushing to RO filtering membrane.Pipeline between pure water pressure pot 6 and water pump 2 water-in being arranged the object of inlet non return check valve m4, is the moment in order to prevent electrically-controlled valve k12 break-make, enters into pure water pressure pot 6 without the water after RO filtering membrane filters.In the process of RO filtering membrane back flushing, only have electrically-controlled valve k12, k9, k10 be in open mode, remaining electrically-controlled valve is all in closing condition.
As shown in Figure 10, give the schematic diagram of 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, as daily life water by water pump 2.When domestic water is taken, only have electrically-controlled valve k1 and k6 to be in open mode, remaining electrically-controlled valve is all in closing condition.
Electrically-controlled valve k1 recited above ~ k14 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, dense water water, 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 are all realized by the control of circuit part.
Claims (7)
1. one kind has the water cleaning systems of dense water water 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, RO membrane cartridge is provided with the outlet of water-in, dense water out and pure water; 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, and the pipeline between the dense water out of RO membrane cartridge and dense water water butt is 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, and the pipeline between L3 filter core and pump intake is provided with electrically-controlled valve k6; It is characterized in that: be provided with dense water water loop, the dense water water making pipe road that described dense water water loop stretches to bottom dense water water butt by one end, the other end communicates with pump intake is formed, dense water water making pipe road is provided with electrically-controlled valve k14, dense water water butt is provided with water level sensor;
Comprise that L3 filter-core back-flushing washes loop, L2 filter-core back-flushing washes loop and L1 filter-core back-flushing washes 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, the pipeline that is communicated in the pipeline of pump outlet and L3 filter cartridge outlet and is communicated in L3 filter core water-in and wastewater discharge pipe forms; Pipeline between dense water water butt and water pump is provided with electrically-controlled valve k14, the pipeline between water pump and L3 filter core is provided with electrically-controlled valve k5, the pipeline between L3 filter core and wastewater discharge pipe is provided with electrically-controlled valve k4;
Described L2 filter-core back-flushing is washed loop and is formed to the pipeline bottom dense water water butt, the pipeline being communicated in pump outlet and L3 filter cartridge outlet and the pipeline that is communicated in L2 filter core water-in and wastewater discharge pipe by being communicated in pump intake; Pipeline between dense water water butt and water pump is provided with electrically-controlled valve k14, the pipeline between water pump and L3 filter core is provided with electrically-controlled valve k5, the pipeline between L2 filter core and wastewater discharge pipe is provided with electrically-controlled valve k3;
Described L1 filter-core back-flushing is washed loop and is formed to the pipeline bottom dense water water butt, the pipeline being communicated in pump outlet and L3 filter cartridge outlet and the pipeline that is communicated in L1 filter core water-in and wastewater discharge pipe by being communicated in pump intake; Pipeline between dense water water butt and water pump is provided with electrically-controlled valve k14, the pipeline between water pump and L3 filter core is provided with electrically-controlled valve k5, the pipeline between L1 filter core and wastewater discharge pipe is provided with electrically-controlled valve k2.
2. the water cleaning systems with dense water water and backwashing function according to claim 1, 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 forms to the pipeline bottom dense water water butt, the pipeline being communicated in water pump (2) water outlet and RO membrane cartridge (10) water-in and the pipeline that is communicated in the dense water out of RO membrane cartridge and dense water water butt by being communicated in pump intake; Pipeline between dense water water butt and water pump is provided with electrically-controlled valve k14, the pipeline between water pump and RO membrane cartridge water-in is provided with electrically-controlled valve k8, the pipeline between the dense water out of RO membrane cartridge and dense water water butt is provided with electrically-controlled valve k13;
Described RO membrane cartridge back flushing loop is made up of pipeline, the pipeline being communicated in pump outlet and the dense water out of RO membrane cartridge and the pipeline be communicated between RO membrane cartridge water-in and wastewater discharge pipe be communicated in bottom pump intake to dense water water butt; Pipeline between dense water water butt and water pump is provided with electrically-controlled valve k14, the pipeline between water pump and the dense water water outlet of RO membrane cartridge is provided with electrically-controlled valve k7, the pipeline between RO membrane cartridge water-in and wastewater discharge pipe is provided with electrically-controlled valve k10;
Described RO filtering membrane back flushing loop by be communicated in pure water pressure pot and pump intake pipeline, be communicated in pipeline that pump outlet and RO membrane cartridge pure water export and the pipeline be communicated between RO membrane cartridge water-in and wastewater discharge pipe forms; Pipeline between pure water pressure pot and water pump is disposed with electrically-controlled valve k12 and inlet non return check valve m4, pipeline between water pump and RO membrane cartridge pure water export is provided with electrically-controlled valve k9, the pipeline between RO membrane cartridge water-in and wastewater discharge pipe is provided with electrically-controlled valve k10.
3. the water cleaning systems with dense water water and backwashing function according to claim 1, it is characterized in that: comprise domestic water pipeline, the pipeline that water service pipe route is connected with L3 filter core (9) and with water pump (2) water-in through L1 filter core (7), L2 filter core (8) successively, the pipeline being communicated in pump outlet and device for fetching water from form.
4. the water cleaning systems with dense water water and backwashing function according to claim 1, it is characterized in that: the pipeline between described former water water inlet pipe (13) to L1 filter core (7) is disposed with low-tension switch (1), electrically-controlled valve k1 and inlet non return check valve m1, 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.
5. the water cleaning systems with dense water water and backwashing function according to claim 1, 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 carbon-point or the cotton filter core of PP.
6. the water cleaning systems with dense water water and backwashing function according to claim 1, is characterized in that: described electrically-controlled valve is motorized valve or magnetic valve.
7., based on a process for purifying water with the water cleaning systems of dense water water and backwashing function according to claim 1, it is characterized in that, realized by following steps:
A). once water processed, circuit part controls electrically-controlled valve k1, k6, k8, k11 are in open mode, and remaining electrically-controlled valve is in closing condition, starts water pump once water processed;
B). judge whether to reach once water stop condition processed, when the water level that circuit part detects dense water water butt by water level sensor completely time, pure water pressure pot by high-voltage switch gear G2 send the full signal of water or high-voltage switch gear G1 send pipe high-pressure trouble signal time, stop once water processed;
C). secondary water, when once water processed completes, pure water pressure pot less than time enter the secondary water stage, circuit part controls electrically-controlled valve k14, k8, k11 are in open mode, remaining electrically-controlled valve is in closing condition, and the water in dense water water butt is extracted out and carried out secondary water through the filtration of RO membrane cartridge by water pump;
D). judge whether to reach secondary water stop condition, in the process of secondary water, when the liquid level that circuit part to be detected by water level sensor in dense water water butt drop to certain altitude, high-voltage switch gear G2 sends the full signal of water or high-voltage switch gear G1 sends pipe high-pressure trouble signal time, stop secondary water;
E). judge whether to reach washing condition, judge continuously once whether the number of times of water processed 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, perform step f); If once the number of times of water processed not reach in the number of times of regulation or dense water water butt water level less than time, then proceed once water processed and secondary water;
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 controls electrically-controlled valve k14, k5, k4 are in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water extracting some amount carries out back flushing to L3 filter core;
L2 filter-core back-flushing is washed, and circuit part controls electrically-controlled valve k14, k5, k3 are in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water extracting some amount carries out back flushing to L2 filter core;
L1 filter-core back-flushing is washed, and circuit part controls electrically-controlled valve k14, k5, k2 are in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water extracting some amount carries out back flushing to L1 filter core;
RO membrane cartridge just rinses, and circuit part controls electrically-controlled valve k14, k8, k13 are in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water extracting some amount just rinses RO membrane cartridge;
The back flushing of RO membrane cartridge, when pure water pressure pot water is full, circuit part controls electrically-controlled valve k14, k7, k10 are in open mode, and remaining electrically-controlled valve is in closing condition, starting mode of pump, and the dense water extracting some amount carries out back flushing to RO membrane cartridge;
The back flushing of RO filtering membrane, circuit part controls electrically-controlled valve k12, k9, k10 are in open mode, and remaining electrically-controlled valve is in closing condition, 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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