CN108569725A - Cross screening system - Google Patents

Cross screening system Download PDF

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Publication number
CN108569725A
CN108569725A CN201710132131.9A CN201710132131A CN108569725A CN 108569725 A CN108569725 A CN 108569725A CN 201710132131 A CN201710132131 A CN 201710132131A CN 108569725 A CN108569725 A CN 108569725A
Authority
CN
China
Prior art keywords
water
pipeline
screening system
pure water
outlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710132131.9A
Other languages
Chinese (zh)
Inventor
杨旅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201710132131.9A priority Critical patent/CN108569725A/en
Priority to EP17743232.5A priority patent/EP3392204B1/en
Priority to RU2017130284A priority patent/RU2683749C2/en
Priority to PCT/CN2017/087306 priority patent/WO2018161454A1/en
Priority to US15/554,215 priority patent/US20190382280A1/en
Priority to KR1020177023661A priority patent/KR102016704B1/en
Publication of CN108569725A publication Critical patent/CN108569725A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02Non-contaminated water, e.g. for industrial water supply
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

Screening system is crossed the invention discloses a kind of, crossing screening system includes:Element kit, water inlet pipe, water pipeline, pure water pipeline and blowoff line.Wherein, element kit has water inlet, water purification outlet, water purification water return outlet, pure water outlet and sewage draining exit.Water inlet pipe is connected to water inlet, and water pipeline is connected at water purification outlet and water purification water return outlet, and water pipeline has water purification external tapping and the first valve body for controlling water pipeline break-make.Pure water pipeline is connected to pure water outlet, and pure water pipeline has pure water external tapping and the second valve body for controlling pure water pipeline break-make.One end of blowoff line is connected to sewage draining exit, and the other end is in communication with the outside.It is according to the present invention to cross screening system, by the way that element kit is arranged, filtering water system can be made compact-sized, optimize the layout of pipeline.Moreover, crossing and being respectively arranged with water pipeline and outlet pipeline in screening system at this, thus, it is possible to select different water quality according to water demand different in life.

Description

Cross screening system
Technical field
The present invention relates to household electrical appliance technical fields, specifically, more particularly to a kind of screening system excessively.
Background technology
In the related technology, screening system is crossed only with level-one membrane filtration, is not passed through fine filtering and is handled, filter effect Undesirable, health can be influenced by directly drinking.In the related technology, using in the mistake screening system of multi-stage filter core, there are pipelines It is complicated, connector is more, bulky disadvantage.And by multi-stage filter core treated pure water as cleaning clothing, take a shower, pour When spending equal domestic waters, waste is caused.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of mistake Screening system, the screening system of crossing have the advantages that compact-sized, pipeline is succinct.
Screening system excessively according to the ... of the embodiment of the present invention, including:Element kit, the element kit have water inlet, net Water out, water purification water return outlet, pure water outlet and sewage draining exit;Water inlet pipe, the water inlet pipe are connected to the water inlet;For being connected to The water pipeline of the water purification outlet and the water purification water return outlet, the water pipeline have water purification external tapping and for controlling State the first valve body of water pipeline break-make;Pure water pipeline, the pure water pipeline are connected to the pure water outlet, and the pure water pipe Road has pure water external tapping and the second valve body for controlling the pure water pipeline break-make;And blowoff line, the blowoff line One end be connected to the sewage draining exit, the other end is in communication with the outside;Wherein, described net when the screening system water purification excessively Water lines are connected to, and the pure water pipeline disconnects;When the screening system pure water excessively, the water pipeline, the pure water pipe Road and blowoff line connection.
It is according to the ... of the embodiment of the present invention to cross screening system, by the way that element kit is arranged, filtering water system structure can be made tight It gathers, optimizes the layout of pipeline.Moreover, cross and be respectively arranged with water pipeline and outlet pipeline in screening system at this, thus, it is possible to Different water quality is selected to export according to water demand different in life, it is easy to operate, and waste can be mitigated, it is energy saving to subtract Consumption.
In some embodiments of the invention, crossing screening system further includes:For driving water flowing in the pure water pipeline Pump assembly, the pump assembly is located on the water pipeline and positioned at the water purification external tapping and the water purification water return outlet Between.Thus, it is possible to which carrying out fine filtering for flow provides enough hydraulic pressure.
Further, the pump assembly is booster pump.Thus, it is possible to be that flow progress fine filtering carries by booster pump For enough hydraulic pressure.
Optionally, first valve body is located at the upstream of the pump assembly.It was convenient for the flow control of screening system as a result, System, prevents the damage because leading to screening system after maloperation.
According to some embodiments of the present invention, first valve body is solenoid valve.Thus, it is possible to improve the first valve operation Accuracy and sensitivity, be convenient for the first valve body control.
Optionally, second valve body is check valve.Thus, it is possible to make the flow one-way flow in pure water pipeline.
In some embodiments of the invention, the blowoff line is equipped with the third valve body for controlling its break-make.By This, can be by the break-make of third valve body control of sewage disposal pipeline, and the size of wastewater flow can be adjusted by third valve body.
Further, the third valve body is solenoid valve.Thus, it is possible to improve the sensitivity of third valve body control and accurate Degree.
According to some embodiments of the present invention, the element kit includes:Front filter element, the front filter element are located at described Between water inlet and the water purification outlet;Fine filtering filter core, the fine filtering filter core are located at the water purification water return outlet;With Postposition filter core, the postposition filter core are located at the pure water outlet.On the one hand multi-stage filter core can be made to be incorporated into filter core group as a result, In part, made screening system compact overall structure;On the other hand, the filter effect that can further increase screening system, carries Exceed the water quality of drainage.
Further, the fine filtering filter core is reverse osmosis filter core or nanofiltration membrane filter.It as a result, can using reverse osmosis membrane To effectively filter out the impurity in water, bacterium and virus etc.;It can be reduced using nanofiltration membrane filter fine in screening system To the requirement of hydraulic pressure in filter process, so as to save energy consumption.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment Obviously and it is readily appreciated that, wherein:
Fig. 1 is the structural schematic diagram according to the ... of the embodiment of the present invention for crossing screening system, is produced wherein crossing screening system and being in Water purification working condition, dotted line circuit shown in figure are off-state, and direction shown in arrow is flow in the stream for crossing screening system Dynamic direction;
Fig. 2 is the structural schematic diagram according to the ... of the embodiment of the present invention for crossing screening system, is produced wherein crossing screening system and being in Pure water working condition, dotted line circuit shown in figure are off-state, and direction shown in arrow is flow in the stream for crossing screening system Dynamic direction.
Reference numeral:
Screening system 100 is crossed,
Element kit 10, water inlet 110, water purification outlet 120, water purification water return outlet 130, pure water outlet 140, sewage draining exit 150,
Water inlet pipe 20,
Water pipeline 30, water purification external tapping 310, water purification external tapping switch 311, the first valve body 320,
Pure water pipeline 40, pure water external tapping 410, pure water external tapping switch 411, the second valve body 420,
Blowoff line 50, third valve body 510,
Pump assembly 60.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "inner", The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair Bright and simplified description, does not indicate or imply the indicated device or element must have a particular orientation, with specific orientation Construction and operation, therefore be not considered as limiting the invention.In addition, define " first ", the feature of " second " can be bright Show or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple " contain Justice is two or more.
Screening system 100 excessively according to the ... of the embodiment of the present invention is described below with reference to Fig. 1 and Fig. 2.
As depicted in figs. 1 and 2, according to the ... of the embodiment of the present invention to cross screening system 100, crossing screening system 100 includes:Filter core Component 10, water inlet pipe 20, water pipeline 30, pure water pipeline 40 and blowoff line 50.
Specifically, as depicted in figs. 1 and 2, element kit 10 has water inlet 110, water purification outlet 120, water purification return water Mouth 130, pure water outlet 140 and sewage draining exit 150.It should be noted that element kit 10 can be integrated composite filter element.Example Such as, element kit 10 may include:Front filter element, fine filtering filter core and postposition filter core.Water inlet pipe 20 connects with water inlet 110 Logical, raw water can be entered in element kit 10 by water inlet 110 from water inlet pipe 20 and is filtered.For example, raw water is in filter core In component 10 filtering sequence can be:Front filter element → fine filtering filter core → postposition filter core." raw water " described here can To refer to the water flowed directly out from tap, well water or water storage etc. may also mean that.Water pipeline 30 is connected to 120 He of water purification outlet Water purification water return outlet 130, water pipeline 30 have water purification external tapping 310 and the first valve body for controlling 30 break-make of water pipeline 320.Pure water pipeline 40 is connected to pure water outlet 140, and pure water pipeline 40 has pure water external tapping 410 and for controlling pure water pipe Second valve body 420 of 40 break-make of road, one end of blowoff line 50 are connected to sewage draining exit 150, and the other end is in communication with the outside.
Wherein, when having served as 100 water purification processed of screening system, as shown in Figure 1, water pipeline 30 is connected to, pure water pipeline 40 disconnects (dotted line pipeline as shown in Figure 1 is to disconnect pipeline), flow is being crossed in screening system 100 along arrow:a1→a2→a3→a4 Shown in direction flowing.It is carried out just as shown in Figure 1, raw water is entered by water inlet 110 in element kit 10 from water inlet pipe 20 Water purification is obtained by filtration in step, and water purification flows out element kit 10 by water purification outlet 120, and is flowed out by water purification external tapping 310, by This, obtains water purification.It can be used as by the water purification being tentatively obtained by filtration and the domestic waters such as clean clothing, water flowers, take a shower.
When having served as 100 pure water processed of screening system, as shown in Fig. 2, water pipeline 30, pure water pipeline 40 and blowoff line 50 Connection, flow are being crossed in screening system 100 along arrow:It flows in direction shown in b1 → b2 → b3 → b4 → b5.As shown in Fig. 2, When preparing pure water, the first valve body 320 on water pipeline 30 is opened, and the second valve body 420 of pure water pipeline 40 is opened.Raw water from into Water pipe 20 enters element kit 10 by water inlet 110 and is tentatively filtered, and obtains water purification.Water purification is from 120 row of water purification outlet Go out and be back to element kit 10 from water purification water return outlet 130 along water pipeline 30 and carry out fine filtering again, by fine filtering The pure water obtained afterwards is flowed out from pure water outlet 140, and is flowed out by pure water pipeline 40, obtains pure water as a result,.By fine filtering The pure water obtained afterwards can directly be drunk.It should be noted that will produce waste water during preparing pure water, waste water is from blowdown After mouthfuls 150 discharges, (the arrow in such as Fig. 2 of screening system 100 was discharged by blowoff line 50:Flowing side shown in c5 → c6 To).
It is according to the ... of the embodiment of the present invention to cross screening system 100, by the way that element kit 10 is arranged, filtering water system can be made 100 is compact-sized, optimizes the layout of pipeline.Moreover, crossing in screening system 100 and being respectively arranged with water pipeline 30 and pure water at this Pipeline 40, it is easy to operate thus, it is possible to select different water quality to export according to water demand different in life, and can be with Mitigate waste, energy-saving consumption-reducing.
In some embodiments of the invention, as depicted in figs. 1 and 2, crossing screening system 100 can also include:For driving The pump assembly 60 of water flowing in dynamic pure water pipeline 40, pump assembly 60 are located on water pipeline 30 and are located at water purification external tapping Between 310 and water purification water return outlet 130.Thus, it is possible to which water flow pressure can be increased by pump assembly 60, be conducive to improve filtering The filter efficiency of water system 100.It should be noted that when water purification needs to carry out fine filtering, water purification is needed to reach certain Hydraulic pressure can increase water purification flow by the way that pump assembly 60 is arranged between water purification external tapping 310 and water purification water return outlet 130 Hydraulic pressure, so that water purification flow flows into element kit 10 and carries out fine filtering.
Further, pump assembly 60 can be booster pump.It can be provided as a result, for water purification flow by the way that booster pump is arranged Enough hydraulic pressure, so that water purification flow passes through element kit 10 to carry out fine filtering.
Optionally, the first valve body 320 is located at the upstream of pump assembly 60.Thus, it is possible to by control the first valve body 320 and When control water route break-make." upstream " described here can refer to as shown in Fig. 2, when preparing pure water, according to water (flow) direction The upstream understood.It is understood that when the first valve body 320 is closed, pure water water route is off (such as institute in Fig. 1 The dotted line pipeline shown);When the first valve body 320 is opened, as shown in Fig. 2, pure water pipeline 40 is in connected state.By the first valve body 320 are arranged in the upstream of pump assembly 60, and screening system 100 can be prevented caused by maloperation to damage.If for example, by first Valve body 320 is arranged in the downstream of pump assembly 60, when the first valve body 320 is closed and pump assembly 60 is not turned off, through pump housing group Flow after part 60 pressurizes is easy to cause bursting apart for pipeline and damaged screening system 100.
In addition, as shown in Fig. 2, the first valve body 320 and pump assembly 60 are arranged in water purification outlet 120 and water purification water return outlet Between 130, flow needs to carry out preliminary mistake in element kit 10 before being flowed into the first valve body 320 and pump assembly 60 Filter.Thus, it is possible to which the large granular impurity in raw water is prevented to be flowed into the first valve body 320 and pump assembly 60, the first valve is damaged Body 320 and pump assembly 60 extend the first valve body 320 and pump housing group to protect the first valve body 320 and pump assembly 60 The service life of part 60.
According to some embodiments of the present invention, the first valve body 320 can be solenoid valve.By the way that the first valve body 320 is arranged For solenoid valve, on the one hand, solenoid valve operation is accurate, reliable, is conducive to the reliability and stability for improving the operation of screening system 100; On the other hand, solenoid valve can mitigate muscle power work when opening or this first valve body 320 of closing, have relative to manually-operated gate Conducive to improving the overall performance of screening system 100.
Optionally, the second valve body 420 can be check valve.Second valve body 420 uses check valve, can make from pure water pipeline The pure water one-way flows of 40 outflows flow to pure water external tapping 410 from pure water outlet 140 and (flow as shown in arrow b5 in Fig. 2 Direction).Moreover, in some examples of the present invention, check valve may be used and carry out feedback control to crossing screening system 100.Such as Shown in Fig. 1 and Fig. 2, pure water external tapping switch 411, the second valve body can be set at the pure water external tapping 410 of pure water pipeline 40 420 could be provided as check valve high-voltage switch gear, and check valve high-voltage switch gear can detect the pressure change in check valve downstream, and will pressure Power variable signal feeds back to system, and system can adjust the break-make of the first valve body 320 and pump assembly 60 according to feedback signal.
For example, as shown in Figure 1, when pure water external tapping switch 411 is closed, check valve high-voltage switch gear detects the water in downstream Buckling is big, to which system can be switched according to the first valve body of signal cut 320 and pump assembly 60 that hydraulic pressure becomes larger, to cut off Pure water pipeline 40, water purification stream can be flowed out from water purification external tapping 310;As shown in Fig. 2, when pure water external tapping switch 411 is opened, Check valve high-voltage switch gear detects that the hydraulic pressure in downstream reduces, and system opens the first valve body 320 and pump according to the signal that hydraulic pressure reduces Body component 60 carries out the preparation and use of pure water at this point, closing water purification external tapping switch 311.
In some embodiments of the invention, blowoff line 50 is equipped with the third valve body 510 for controlling its break-make.By This, can cut off or be connected to blowoff line 50 by the way that third valve body 510 is arranged, can also be adjusted to the uninterrupted of waste water Section.It is worth understanding, the size of wastewater flow can be controlled by third valve body 510.For example, when by controlling third valve body 510 when turning wastewater flow down, can make flow that there is enough hydraulic pressure to carry out fine filtering.And when by controlling third valve body 510 tune up wastewater flow, and close pure water external tapping switch 411 and water purification external tapping switch 311, at this point, as shown in Fig. 2, Crossing the flow in screening system 100 can be according to arrow in figure:It flows in direction shown in b1 → b2 → b3 → c4 → c5.It needs It is bright, during fine filtering, meeting accumulated impurity at fine filtering filter core, after long-time use, fine filtering filter Impurities accumulation on core is more.As a result, by tuning up waste water water route flow and closing pure water external tapping switch 411 and water purification is external Mouth switch 311 can carry out flush clean to fine filtering filter core.Thus, it is possible to protect fine filtering filter core, extend fine mistake Filter the service life of filter core.
Further, third valve body 510 can be solenoid valve.Thus, it is possible to easily and accurately control third valve body 510 Break-make.It should be noted that when normally preparing water purification and pure water, third valve body 510 may be at obstructed electricity condition.Work as third When valve body 510 is in different electricity conditions, third valve body 510 is provided with small flow through-hole, on the one hand can maintain screening system 100 Prepare hydraulic pressure required when pure water;On the other hand the waste water generated when preparing pure water can be discharged.When need to fine filtering filter When core is cleaned, it can be powered to third valve body 510, third valve body 510 is made to be in opening-wide state, at this point, closing outside pure water Interface switch 411 and water purification external tapping switch 311 can improve the circulation of waste water, with to fine to tune up wastewater flow Filter core starts the cleaning processing.
According to some embodiments of the present invention, element kit 10 may include:Front filter element, fine filtering filter core and postposition Filter core.Wherein, between water inlet 110 and water purification outlet 120, front filter element can filter out big in raw water front filter element Granule foreign obtains water purification.Water purification, which can be used as, the domestic waters such as cleans clothing, waters flowers.Fine filtering filter core is returned positioned at water purification At the mouth of a river 130, fine filtering filter core can further filter water purification, filter out the fine impurity in water, such as by excessive nothing The other harmful substances matter such as machine salt, organic matter, heavy metal ion, bacterium, virus, pesticide, chloroform waste are completely retained down, And xenobiotic in these water and salinity are discharged the waste water by continuously discharging, and then water quality is made to further increase.In pure water It exports and is additionally provided with postposition filter core at 140, flowing through postposition filter core by the water of fine filtering filter core further filters.After for example, Activated carbon can be used by setting filter core, on the one hand, activated carbon can utilize internal a large amount of fiber gap, adsorb pigment in water and Peculiar smell etc.;On the other hand fruity can also be added in activated carbon, the pure water after being flowed out as a result, by postposition filter core cleans peace Entirely, and mouthfeel is improved.
Further, fine filtering filter core can be reverse osmosis filter core or nanofiltration membrane filter.That is, fine filtering is filtered Core can select to use reverse osmosis filter core, can also select to use nanofiltration membrane filter.It should be noted that reverse osmosis filter core has Minimum aperture, aperture can reach 100 a ten thousandths (0.0001 micron) of hairline, only hydrone and part mineral Ion can pass through, therefore impurity, bacterium and virus in water can be effectively filtered out etc..However, flow is not by external force Under the action of there is characteristic from low concentration to high concentration that flowed from.Therefore, it is necessary to apply enough pressure to flow, ensure flow The effect of fine filtering is played across reverse osmosis filter core.And the pore diameter range of nanofiltration membrane filter nanofiltration is received in several rans Filter is a kind of pressure-driven membrane separating process between reverse osmosis between ultrafiltration, and drainage can be reduced using nanofiltration membrane filter Requirement in system 100 during fine filtering to hydraulic pressure, so as to save energy consumption.
Filtering water system according to the ... of the embodiment of the present invention is described in detail with a specific embodiment referring to Fig. 1 and Fig. 2 System 100.It is worth understanding, it is described below to be merely illustrative, rather than to the concrete restriction of the present invention.
As depicted in figs. 1 and 2, water cleaning systems include:Element kit 10, water inlet pipe 20, water pipeline 30, pure water pipeline 40 With blowoff line 50.
Wherein, as depicted in figs. 1 and 2, element kit 10 has water inlet 110, water purification outlet 120, water purification water return outlet 130, pure water outlet 140 and sewage draining exit 150.Element kit 10 is integrated composite filter element, and element kit 10 includes:Preposition filter Core, fine filtering filter core and postposition filter core.Front filter element is between water inlet 110 and water purification outlet 120, fine filtering filter core For reverse osmosis membrane filter element and at water purification water return outlet 130, postposition filter core is located at pure water outlet 140.
Water inlet pipe 20 is connected to water inlet 110, and one end of water pipeline 30 is connected to water purification outlet 120, water pipeline 30 The other end be connected to water purification water return outlet 130.Water purification external tapping 310 is provided on water pipeline 30 and for controlling water pipeline First valve body 320 of 30 break-makes and the pump assembly 60 for driving water flowing in pure water pipeline 40, pump assembly 60 are located at Between first valve body 320 and water purification water return outlet 130.Wherein, the first valve body 320 is solenoid valve, and pump assembly 60 is booster pump, Water purification external tapping switch 311 is additionally provided at water purification external tapping 310.
It is connected with pure water pipeline 40 at pure water outlet 140, pure water external tapping 410 is provided in pure water pipeline 40 and is used for Control the second valve body 420 of 40 break-make of pure water pipeline, wherein the second valve body 420 is that check valve is also set at pure water external tapping 410 It is equipped with pure water external tapping switch 411.One end of blowoff line 50 is connected to sewage draining exit 150, and the other end is in communication with the outside, blow-off pipe Road 50 is equipped with the third valve body 510 for controlling its break-make, and third valve body 510 is solenoid valve.
Wherein, as shown in Figure 1, when having served as 100 water purification processed of screening system, water purification external tapping switch 311, water pipeline are opened 30 parts are connected to, and the first valve body 320 and pump assembly 60 are closed, and pure water pipeline 40 and blowoff line 50 disconnect (such as Pure water pipeline 40 shown in Fig. 1 and blowoff line 50 are dotted line), flow is being crossed in screening system 100 along arrow shown in Fig. 1:a1 It flows in direction shown in → a2 → a3 → a4.As shown in Figure 1, raw water enters filter core group from water inlet pipe 20 by water inlet 110 In part 10, carrying out that water purification is tentatively obtained by filtration by front filter element, water purification flows out element kit 10 by water purification outlet 120, and It is flowed out by water purification external tapping 310, cleaning clothing, the domestic waters such as water flowers can be used as by obtaining water purification as a result,.
When having served as 100 pure water processed of screening system, as shown in Fig. 2, closing water purification external tapping switch 311, and open outside pure water Interface switch 411.When opening pure water external tapping switch 411, the second valve body 420 detects that the hydraulic pressure in downstream reduces, and by water The low signal of pressure drop passes to system, and system controls the first valve body 320 and pump assembly 60 is opened, water pipeline 30, pure water pipe Road 40 and blowoff line 50 are connected to.(as shown in dotted line at water purification external tapping 310 in Fig. 2) is disconnected at water purification external tapping 310.Water Stream is in crossing screening system 100 along arrow:It flows in direction shown in b1 → b2 → b3 → b4 → b5.
As shown in Fig. 2, when preparing pure water, raw water enters element kit 10 from water inlet pipe 20 by water inlet 110, passes through Tentatively water purification is obtained by filtration in front filter element progress.Water purification is discharged from water purification outlet 120 and passes through the first valve body along water pipeline 30 320 and pump assembly 60 be back to element kit 10 from water purification water return outlet 130.Wherein, pump assembly 60 can be to water purification flow It pressurizes, water purification flow after supercharged is back in element kit 10 from water purification water return outlet 130 and passes through fine filtering filter core Further filtering, and filtered again through postposition filter core further to improve water quality and improve water tasting, the pure water finally obtained It flows out from pure water outlet 140, and is flowed out by pure water pipeline 40, drinking water can be used as or to cook by obtaining pure water as a result, Deng.
It should be noted that during preparing pure water, water purification will produce waste water after fine filtering filter core, give up Water carries impurity after the discharge of sewage draining exit 150, and (the arrow in such as Fig. 2 of screening system 100 was discharged by blowoff line 50:c5→ Flow direction shown in c6).
As a result, by the way that element kit 10 is arranged, filtering water system 100 can be made compact-sized, optimize the layout of pipeline.And And cross in screening system 100 and be respectively arranged with water pipeline 30 and outlet pipeline at this, thus, it is possible to according to different in life Water demand select different water quality to export, it is easy to operate, and waste, energy-saving consumption-reducing can be mitigated.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this The range of invention is limited by claim and its equivalent.

Claims (10)

1. a kind of crossing screening system, which is characterized in that including:
Element kit, the element kit have water inlet, water purification outlet, water purification water return outlet, pure water outlet and sewage draining exit;
Water inlet pipe, the water inlet pipe are connected to the water inlet;
Water pipeline for being connected to the water purification outlet and the water purification water return outlet, the water pipeline have water purification external tapping With the first valve body for controlling the water pipeline break-make;
Pure water pipeline, the pure water pipeline are connected to the pure water outlet, and the pure water pipeline has pure water external tapping and use In the second valve body for controlling the pure water pipeline break-make;With
Blowoff line, one end of the blowoff line are connected to the sewage draining exit, and the other end is in communication with the outside;
Wherein, when the screening system water purification excessively, the water pipeline connection, the pure water pipeline disconnects;When the mistake When screening system pure water, the water pipeline, the pure water pipeline and blowoff line connection.
2. according to claim 1 cross screening system, which is characterized in that further include:
Pump assembly for driving water flowing in the pure water pipeline, the pump assembly is located on the water pipeline and position Between the water purification external tapping and the water purification water return outlet.
3. according to claim 2 cross screening system, which is characterized in that the pump assembly is booster pump.
4. according to claim 2 cross screening system, which is characterized in that first valve body is located at the pump assembly Upstream.
5. according to claim 1 cross screening system, which is characterized in that first valve body is solenoid valve.
6. according to claim 1 cross screening system, which is characterized in that second valve body is check valve.
7. according to claim 1 cross screening system, which is characterized in that the blowoff line is equipped with logical for controlling it Disconnected third valve body.
8. according to claim 7 cross screening system, which is characterized in that the third valve body is solenoid valve.
9. the mistake screening system according to any one of claim 1-8, which is characterized in that the element kit includes:
Front filter element, the front filter element is between the water inlet and the water purification outlet;
Fine filtering filter core, the first fine filtering filter core are located at the water purification water return outlet;With
Postposition filter core, the postposition filter core are located at the pure water outlet.
10. according to claim 9 cross screening system, which is characterized in that the fine filtering filter core is reverse osmosis filter core Or nanofiltration membrane filter.
CN201710132131.9A 2017-03-07 2017-03-07 Cross screening system Pending CN108569725A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201710132131.9A CN108569725A (en) 2017-03-07 2017-03-07 Cross screening system
EP17743232.5A EP3392204B1 (en) 2017-03-07 2017-06-06 Water filtering system
RU2017130284A RU2683749C2 (en) 2017-03-07 2017-06-06 Water filtration system
PCT/CN2017/087306 WO2018161454A1 (en) 2017-03-07 2017-06-06 Water filtering system
US15/554,215 US20190382280A1 (en) 2017-03-07 2017-06-06 Water filtration system
KR1020177023661A KR102016704B1 (en) 2017-03-07 2017-06-06 Water filtration systems

Applications Claiming Priority (1)

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CN201710132131.9A CN108569725A (en) 2017-03-07 2017-03-07 Cross screening system

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CN203999175U (en) * 2014-06-19 2014-12-10 佛山市云米电器科技有限公司 Purifier
CN205367922U (en) * 2015-12-16 2016-07-06 佛山市顺德区美的饮水机制造有限公司 Water purifying system
CN206940565U (en) * 2017-03-07 2018-01-30 佛山市顺德区美的饮水机制造有限公司 Filter water system

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