CN109987678A - A kind of integrated flushing type filter core and the filtration system with the filter core - Google Patents

A kind of integrated flushing type filter core and the filtration system with the filter core Download PDF

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Publication number
CN109987678A
CN109987678A CN201910190113.5A CN201910190113A CN109987678A CN 109987678 A CN109987678 A CN 109987678A CN 201910190113 A CN201910190113 A CN 201910190113A CN 109987678 A CN109987678 A CN 109987678A
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CN
China
Prior art keywords
water
film unit
long
concentrated water
filter core
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CN201910190113.5A
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Chinese (zh)
Inventor
陈小平
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Guangdong Lizi Technology Co Ltd
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Foshan Viomi Electrical Technology Co Ltd
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Priority to CN201910190113.5A priority Critical patent/CN109987678A/en
Publication of CN109987678A publication Critical patent/CN109987678A/en
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    • 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
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The first film unit and the second film unit and center element of a kind of integrated flushing type filter core roll into an entirety, will not additionally increase device, simplify the surface structure of integrated flushing type filter core.For the integrated flushing type filter core when rinsing operating condition, pure water can be prepared separately in the second film unit, and uses the concentrated water of these pure water rinsing the first film unit internal residuals, to alleviate " head cup water " problem caused by salt is spread when as shutting down standing.Pure water made from second film unit is from the water entering surface for producing the second film unit of water surface back flush of the first film unit, and the flushing effect of this direction backwashing manner is better than positive backwashing manner.A kind of filtration system of the invention has integrated flushing type filter core, can be rinsed when shutting down and standing, solve the problems, such as " head cup water ".The size of more filtration systems is not will increase simultaneously.

Description

A kind of integrated flushing type filter core and the filtration system with the filter core
Technical field
The present invention relates to water treatment field, in particular to a kind of integrated flushing type filter core and the filtering system with the filter core System.
Background technique
For filter core when standing, the ion of waste water side can penetrate into pure water side, increase the total dissolved solidss TDS of pure water.When When being again started up system, the pure water ion concentration that early period comes out is higher, forms usually said water purifier " head cup water " problem.
In the prior art, some anti-filter core is used to two membrane filters, is generated shutting down by a membrane filter The problem of another membrane filter of pure water rinsing, alleviation head cup water.But the shortcomings that this filter core is that there are two membrane filtrations for tool, to cause The size of filter core is larger.Some filter core is provided with a water tank or water storage bag, and water tank or water storage bag are for protecting Pure water is deposited, is rinsed squeezing out pure water from water tank or water storage bag when shutting down.This filter core equally increases a redundancy Unit, the size for causing filter core is larger.
Therefore, in view of the shortcomings of the prior art, provide a kind of integrated flushing type filter core and filtration system with the filter core with It is very necessary to solve prior art deficiency.
Summary of the invention
One of purpose of the invention is to avoid the deficiencies in the prior art place and provide a kind of integrated flushing type filter Core.The integrated flushing type filter core has the advantages that solve " head cup water ".
Above-mentioned purpose of the invention is realized by following technical measures:
A kind of integrated flushing type filter core is provided, is provided with and is used to prepare the first film unit of pure water, for the first film list Member carries out the second film unit and center tube assembly of back flush, and the first film unit and the second film unit are rolled with center tube assembly It is integrated into an entirety, the second film unit is connected to by center tube assembly with the first film unit.
In operating condition, raw water enter the first film unit handle pure water A and concentrated water A, pure water A and concentrated water A are arranged respectively Flushing type filter core is integrated out.
When rinsing operating condition, raw water enters the second film unit and handles to obtain pure water B and concentrated water B, and pure water B infiltrates into the first film list The production water side of member, then pure water B is then exhausted from integrated flushing type filter core, and integrated flushing type filter core is discharged in concentrated water B.
Preferably, above-mentioned center tube assembly is provided with the first central tube for collecting pure water and for collecting concentrated water Two central tubes, the first central tube are connected to the first film unit and the second film unit respectively, the second central tube respectively with the first film list Member is connected to the second film unit.
Preferably, above-mentioned second central tube is two concentrated water channels, will collect the channel for the concentrated water that the first film unit generates It is defined as the first concentrated water channel, the channel for collecting the concentrated water that the second film unit generates is defined as the second concentrated water channel, first is dense One end of aquaporin is connected to the one end in the second concentrated water channel.
In operating condition, raw water enters the first film unit and handles to obtain pure water A and concentrated water A, and pure water A passes through the first central tube Integrated flushing type filter core is discharged, integrated flushing type filter core is discharged through the first concentrated water channel in concentrated water A.
When rinsing operating condition, raw water enters the second film unit and handles to obtain pure water B and concentrated water B, and pure water B infiltrates into the first film list The production water side of member, then integrated flushing type filter core is discharged through the first concentrated water channel in pure water B, and concentrated water B is discharged through the second concentrated water channel Integrated flushing type filter core.
Preferably, above-mentioned first film unit, which is provided with, produces the water surface and water entering surface.
Preferably, above-mentioned first film unit is the first film unit for being folded in half into the double-deck rectangle structure, and water entering surface is opposite, Conduplication side is rectangular short side, and conduplication side is defined as the first width A, the short side opposite with conduplication side is defined as the second width A, Two long sides adjacent with conduplication side are defined as the first long A and the second long A, and the first long A and the second long A are carried out along water entering surface respectively Encapsulation process, and the second long A is far from, there are the outlet of the first concentrated water, the second wide A is the first raw water inlet at the second wide A.
Preferably, above-mentioned second film unit, which is provided with, produces the water surface and water entering surface.
Preferably, above-mentioned second film unit be folded in half into the double-deck rectangle structure the second film unit and water entering surface it is opposite, Conduplication side is rectangular short side, and conduplication side is defined as the first width B, the short side opposite with conduplication side is defined as the second width B, Two long sides adjacent with conduplication side are defined as the first long B and the second long B, and the second central tube is seamless to be connected to water entering surface and The both ends of two central tubes are not in the inside of the second film unit, and the second central tube is parallel with the first width B, and the first long B is along water entering surface Be sealed processing and there are the second raw water inlet and far from the first width B, the first long B and second width B respectively along water entering surface into Row encapsulation process.
Another preferred, above-mentioned first film unit, which is provided with, produces the water surface and water entering surface.
Another preferred, above-mentioned first film unit is the first film unit for being folded in half into the double-deck rectangle structure, and water entering surface Relatively, conduplication side is rectangular short side, and conduplication side is defined as the first width A, and the short side opposite with conduplication side is defined as the Two width A, two long sides adjacent with conduplication side are defined as the first long A and the second long A, and the second width A is sealed place along water entering surface Reason, and the second long A is the first raw water inlet, the first long A is the outlet of the first concentrated water.
Another preferred, above-mentioned second film unit, which is provided with, produces the water surface and water entering surface.
Another preferred, above-mentioned second film unit is the second film unit and water entering surface phase for being folded in half into the double-deck rectangle structure Right, conduplication side is rectangular short side, and conduplication side is defined as the first width B, the short side opposite with conduplication side is defined as second Wide B, two long sides adjacent with conduplication side are defined as the first long B and the second long B, and the second central tube is seamless to be connected to water entering surface And second central tube both ends not in the inside of the second film unit, the second central tube is parallel with the first width B, the first long B and second Long B is sealed processing along water entering surface respectively, and the second wide B is the second raw water inlet.
When the first film unit and the second film unit are unfolded, the first long A and the first long B are located at the same side, the second long A and the Two long B are located at the same side, and the width of the first wide A and first B is located at the same side, and the width of the second wide A and second B is located at the same side.
Preferably, two end faces in above-mentioned second concentrated water channel are all closed end, and the second concentrated water channel is far from first Current limiting aperture is arranged in long A, and current limliting aperture is located at the side in the second concentrated water channel and is connected to the first concentrated water channel, the second center The side of pipe is provided with multiple for collecting the through-hole of concentrated water B.
Preferably, it is to open wide end face that above-mentioned first concentrated water, which connects the end face of the nearly first long A, and the first concentrated water channel is close to second The end face of long B is closed end, and the first concentrated water channel is being provided with third concentrated water water outlet far from the first long A, and third concentrated water goes out The mouth of a river is located at the side of the second central tube.
The area of current limliting aperture is defined as C1, the area of third concentrated water water outlet is defined as C2, there are C1< C2
Preferably, above-mentioned first central tube and the second central tube are cylindrical center tube assembly in assembly.
Preferably, the production water surface of above-mentioned first film unit is provided with the first sealing along the second wide A, the first long A and the second long A Device, sealing device are tightly connected with adjacent the first film unit of water inlet film or the second film unit corresponding position respectively, are formed It take the first width A as the pure water cavity configuration of outlet.
Preferably, the production water surface of above-mentioned second film unit is provided with the second sealing along the second wide B, the first long B and the second long B Device, sealing device are tightly connected with adjacent the first film unit of water inlet film or the second film unit corresponding position respectively, are formed It take the first width B as the pure water cavity configuration of outlet.
Preferably, the above-mentioned first wide A and the first wide B offset with the first central tube respectively.
In operating condition, raw water enters the first film unit from the first raw water inlet, and raw water is handled through the first film unit Pure water A and concentrated water A is obtained, pure water A enters pure water cavity configuration and integrated flushing type filter core, concentrated water A warp is discharged by the first central tube The outlet of first concentrated water, which is flowed out and turned to, flows into the first concentrated water channel, and then concentrated water A enters the first concentrated water channel again through current limliting aperture Integrated flushing type filter core is discharged from third concentrated water water outlet.
When rinsing operating condition, the first center blockage, raw water enters the second film unit, raw water warp from the second raw water inlet Second film unit handles to obtain pure water B and concentrated water B, and pure water B enters pure water cavity configuration and reversely rushes from the production water surface of the first film unit It is washed till the water entering surface of the first film unit, final pure water B, which is exported and turned to from the first concentrated water, flows into the first concentrated water channel, and pure water B is most Integrated flushing type filter core is discharged from third concentrated water water outlet eventually, and concentrated water B via through holes enter the second concentrated water channel and from third concentrated water Integrated flushing type filter core is discharged in water outlet.
Integrated flushing type filter core of the invention is additionally provided with during filter housing, the first film unit and the second film unit with central tube be The heart rolls and encapsulation is in the inside of filter housing.
Preferably, above-mentioned filter housing is provided with upper end cover, lower cover, filter housing master for making concentrated water A and pure water B flow to wraparound Body and waterway switching device for entering water route switching according to hydraulic pressure, waterway switching device is assemblied in filter housing main body, and water route is cut Changing device is connected to the first raw water inlet and the second raw water inlet respectively, and upper end cover sealing is assemblied in the first film unit and the Two film units and be located at the first long side A, lower cover sealing is assemblied in the first film unit and the second film unit and be located at the second long A Side.
Preferably, above-mentioned lower cover, which is provided with, rinses the mouth of a river, rinses the mouth of a river and is connected to the second raw water inlet port.
Preferably, above-mentioned first film unit is provided with multiple.
Preferably, above-mentioned second film unit is provided with multiple.
Preferably, above-mentioned second central tube is provided with center pipe in multiple second.
Preferably, center pipe and the first film unit correspond in above-mentioned second.
Preferably, center pipe and the assembly of the first central tube are cylindrical center tube assembly in above-mentioned multiple second.
Preferably, above-mentioned first film unit is reverse osmosis membrane unit, nanofiltration film unit or ultrafiltration film unit.
Preferably, above-mentioned second film unit is reverse osmosis membrane unit, nanofiltration film unit or ultrafiltration film unit.
A kind of integrated flushing type filter core of the invention, which is provided with, is used to prepare the first film unit of pure water, for the first film Unit carries out the second film unit and center tube assembly of back flush, the first film unit and the second film unit and center tube assembly is rolled up System is integrated into an entirety, and the second film unit is connected to by center tube assembly with the first film unit.Integrated flushing type of the invention The first film unit and the second film unit and center element of filter core roll into an entirety, will not additionally increase device, simplify collection At the surface structure of flushing type filter core.When rinsing operating condition, the second film unit can be prepared separately pure the integrated flushing type filter core Water, and with the concentrated water of these pure water rinsing the first film unit internal residuals, it is caused to alleviate salt diffusion when standing due to shutting down " head cup water " problem.Pure water made from second film unit from the first film unit production the second film unit of water surface back flush into The water surface, the flushing effect of this direction backwashing manner are better than positive backwashing manner.
A kind of filtering with the filter core is provided another object of the present invention is to avoid the deficiencies in the prior art place System.The filtration system has the advantages that solve " head cup water ".
Above-mentioned purpose of the invention is realized by following technical measures:
A kind of filtration system is provided, there is above-mentioned integrated flushing type filter core.
A kind of filtration system of the invention has integrated flushing type filter core, can be rinsed, solve when shutting down and standing The problem of " head cup water ".The size of more filtration systems is not will increase simultaneously.
Detailed description of the invention
Using attached drawing, the present invention is further illustrated, but the content in attached drawing is not constituted to any limit of the invention System.
Fig. 1 is 1 first film unit folding process schematic diagram of embodiment.
Fig. 2 is 1 second film unit folding process schematic diagram of embodiment.
Fig. 3 is to produce the water surface and the adjacent folding process schematic diagram for producing the water surface.
Fig. 4 is embodiment 1 when working operating condition, the water (flow) direction schematic diagram of the water entering surface of the first film unit.
Fig. 5 is water (flow) direction schematic diagram of the concentrated water A in the second central tube when working operating condition.
Fig. 6 is the partial enlarged view in the region V in Fig. 5.
Fig. 7 is to produce water surface water (flow) direction schematic diagram when working operating condition.
Fig. 8 is embodiment 1 when rinsing operating condition, the water (flow) direction schematic diagram of the water entering surface of the second film unit.
Fig. 9 is embodiment 1 when rinsing operating condition, the water (flow) direction schematic diagram of pure water B.
Figure 10 is the structural schematic diagram of center tube assembly.
Figure 10 is the structural schematic diagram of center tube assembly.
Figure 11 is the central tube component structure diagram under another angle.
Figure 12 is the diagrammatic cross-section in Figure 11 along the direction AA.
Figure 13 is a kind of structural schematic diagram of integrated flushing type filter core.
Figure 14 is a kind of integrated flushing type filter cartridge construction schematic diagram of embodiment 2.
Figure 15 is the diagrammatic cross-section in Figure 14 along the direction BB.
Figure 16 is the enlarged structure schematic diagram of Z region in Figure 15.
Figure 17 is a kind of schematic cross-section of integrated flushing type filter core in embodiment 3.
Figure 18 is the enlarged structure schematic diagram of Z region in Figure 17.
Figure 19 is 4 first film unit folding process schematic diagram of embodiment.
Figure 20 is 4 second film unit folding process schematic diagram of embodiment.
Figure 21 is embodiment 4 when rinsing operating condition, the water (flow) direction schematic diagram of the water entering surface of the second film unit.
Figure 22 is embodiment 4 when rinsing operating condition, the water (flow) direction schematic diagram of pure water B.
Fig. 1 includes into Figure 22:
First film unit 1, the first wide A 11, the second wide A 12, the first long A 13, the second long A 14, the water inlet of the first raw water The 15, first concentrated water of mouth outlet 16,
Second film unit 2, the first wide B 21, the second wide B 22, the first long B 23, the second long B 24, the water inlet of the second raw water Mouth 25,
Center tube assembly 3,
First central tube 31,
Second central tube 32,
First concentrated water channel 321, current limliting aperture 3211, through-hole 3212,
Second concentrated water channel 322, third concentrated water water outlet 3221,
The production water surface 4,
Water entering surface 5,
Filter housing 6,
Upper end cover 61,
Lower cover 62, rinse the mouth of a river 621,
Filter housing main body 63, filter core chamber 631, raw water chamber 632, raw water mouth 633, pure water mouth 634, concentrated water spout 635,
Waterway switching device 64, spring 641, baffle 642.
Specific embodiment
Technical solution of the present invention is described further with the following Examples.
Embodiment 1.
A kind of integrated flushing type filter core is provided with as shown in Figures 1 to 12 and is used to prepare the first film unit 1 of pure water, uses In the second film unit 2 and center tube assembly 3 that carry out back flush to the first film unit 1, the first film unit 1 and the second film unit 2 roll with center tube assembly 3 and are integrated into an entirety, and the second film unit 2 is connected to by center tube assembly 3 with the first film unit 1.
In operating condition, raw water enter the first film unit 1 handle pure water A and concentrated water A, pure water A and concentrated water A are arranged respectively Flushing type filter core is integrated out.
When rinsing operating condition, raw water enter the second film unit 2 handle pure water B and concentrated water B, pure water B infiltrate into the first film The production water side of unit 1, then pure water B is then exhausted from integrated flushing type filter core, and integrated flushing type filter core is discharged in concentrated water B.
Center tube assembly 3 is provided with the first central tube 31 for collecting pure water and the second central tube for collecting concentrated water 32, the first central tube 31 is connected to the first film unit 1 and the second film unit 2 respectively, the second central tube 32 respectively with the first film list Member 1 is connected to the second film unit 2.
Second central tube 32 is two concentrated water channels, will collect the channel of concentrated water that the first film unit 1 generates and is defined as the The channel for collecting the concentrated water that the second film unit 2 generates is defined as the second concentrated water channel 322, the first concentrated water by one concentrated water channel 321 The one end in channel 321 is connected to the one end in the second concentrated water channel 322.
In operating condition, raw water enters the first film unit 1 and handles to obtain pure water A and concentrated water A, and pure water A passes through the first center Integrated flushing type filter core is discharged in pipe 31, and integrated flushing type filter core is discharged through the first concentrated water channel 321 in concentrated water A;
When rinsing operating condition, raw water enter the second film unit 2 handle pure water B and concentrated water B, pure water B infiltrate into the first film The production water side of unit 1, then integrated flushing type filter core is discharged through the first concentrated water channel 321 in pure water B, and concentrated water B is logical through the second concentrated water Integrated flushing type filter core is discharged in road 322.
First film unit 1, which is provided with, produces the water surface 4 and water entering surface 5.First film unit 1 is to be folded in half into the double-deck rectangle structure First film unit 1, and water entering surface 5 is opposite, conduplication side is rectangular short side, and conduplication side is defined as the first wide A 11, will be with The opposite short side of conduplication side is defined as the second wide A 12, and two long sides adjacent with conduplication side are defined as the first long A 13 and second Long A 14, the first long A 13 and the second long A 14 are sealed processing along water entering surface 5 respectively, and the second long A 14 is far from second There are the first concentrated water outlet 16 at wide A 12, the second wide A 12 is the first raw water inlet 15.
Second film unit 2, which is provided with, produces the water surface 4 and water entering surface 5.Second film unit 2 is to be folded in half into the double-deck rectangle structure Second film unit 2 and water entering surface 5 are opposite, and conduplication side is rectangular short side, and conduplication side is defined as the first width B21, will with it is right The opposite short side of flanging is defined as the second wide B 22, and it is long that two long sides adjacent with conduplication side are defined as the first long B 23 and second B 24, the second central tube 32 is seamless to be connected to the both ends of water entering surface 5 and the second central tube 32 not in the second film unit 2 Portion, and the second central tube 32 is parallel with the first wide B 21, the first long B 23 is sealed processing along water entering surface 5 and there are the second originals Water water inlet 25 and far from the first wide B 21, the first long B 23 and the second wide B 22 is sealed processing along water entering surface 5 respectively.
When the first film unit 1 and the second film unit 2 are unfolded, the first long A 13 and the first long B 23 is located at the same side, the Two long A 14 and the second long B 24 are located at the same side, and the first wide A 11 and the first wide B 21 is located at the same side, the second wide 12 He of A Second wide B 22 is located at the same side.
Two end faces in the second concentrated water channel 322 are all closed end, and the second concentrated water channel 322 is far from the first long A 13 Current limiting aperture 3211 is set, and current limliting aperture 3211 is located at the side in the second concentrated water channel 322 and connects with the first concentrated water channel 321 Logical, the side of the second central tube 32 is provided with multiple for collecting the through-hole 3212 of concentrated water B.
The end face that first concentrated water connects the nearly first long A 13 is to open wide end face, and the first concentrated water channel 321 is close to the second long B24 End face be closed end, the first concentrated water channel 321 is being provided with third concentrated water water outlet 3221, third far from the first long A 13 Concentrated water water outlet 3221 is located at the side of the second central tube 32.
The area of current limliting aperture 3211 is defined as C1, the area of third concentrated water water outlet 3221 is defined as C2, there are C1< C2
First central tube 31 and the second central tube 32 are cylindrical center tube assembly 3 in assembly.
The production water surface 4 of first film unit 1 is provided with the first sealing along the second wide A 12, the first long A 13 and the second long A 14 Device, sealing device are tightly connected with adjacent the first film unit 1 of water inlet film or 2 corresponding position of the second film unit respectively, shape At the pure water cavity configuration for taking the first wide A 11 as outlet.
The production water surface 4 of second film unit 2 is provided with the second sealing along the second wide B 22, the first long B 23 and the second long B 24 Device, sealing device are tightly connected with adjacent the first film unit 1 of water inlet film or 2 corresponding position of the second film unit respectively, shape At the pure water cavity configuration for taking the first wide B 21 as outlet.
First wide A 11 and the first wide B 21 offsets with the first central tube 31 respectively.
In operating condition, raw water enters the first film unit 1 from the first raw water inlet 15, and raw water is through the first film unit 1 Pure water A and concentrated water A is handled to obtain, pure water A enters pure water cavity configuration and integrated flushing type filter core is discharged by the first central tube 31, dense Water A, which is flowed out and turned to through the first concentrated water outlet 16, flows into the first concentrated water channel 321, and then concentrated water A enters the first concentrated water channel 321 Integrated flushing type filter core is discharged from third concentrated water water outlet 3221 through current limliting aperture 3211 again.
When rinsing operating condition, the first central tube 31 blocking, raw water enters the second film unit 2 from the second raw water inlet 25, Raw water handles to obtain pure water B and concentrated water B through the second film unit 2, and pure water B enters pure water cavity configuration and reversely from the first film unit 1 It produces the water surface 4 to rinse to the water entering surface 5 of the first film unit 1, final pure water B is from the first concentrated water outlet 16 and turns to the first concentrated water of inflow Finally integrated flushing type filter core is discharged from third concentrated water water outlet 3221 in channel 321, pure water B, and concentrated water B via through holes 3212 enter the Simultaneously integrated flushing type filter core is discharged from third concentrated water water outlet 3221 in two concentrated water channels 322.
The production water surface 4 and water entering surface 5 of the invention is common knowledge, and those skilled in the art should know to produce 4 He of the water surface The effect and difference of water entering surface 5, are not repeated herein.
First film unit 1 of the invention is that specially reverse osmosis membrane unit, the second film unit 2 are reverse osmosis membrane unit.It needs Illustrate, the first film unit 1 of the invention can be reverse osmosis membrane unit, can also be with nanofiltration film unit or ultrafiltration film unit One of, specific embodiment according to the actual situation depending on.Second film unit 2 of the invention can be reverse osmosis membrane unit, Can also with one of nanofiltration film unit or ultrafiltration film unit, specific embodiment according to the actual situation depending on.
First film unit 1 of integrated flushing type filter core of the invention and the second film unit 2 and center element roll into one It is whole, it will not additionally increase device, simplify the surface structure of integrated flushing type filter core.The integrated flushing type filter core is rinsing operating condition When, the second film unit 2 can be prepared separately pure water, and with the concentrated water of these 1 internal residuals of the first film unit of pure water rinsing, thus Alleviate " head cup water " problem caused by salt diffusion when standing as shutting down.Pure water made from second film unit 2 is from the first film unit 1 Production 4 the second film unit of back flush 2 of the water surface water entering surface 5, the flushing effect of this direction backwashing manner rinses better than positive Mode.
Embodiment 2.
A kind of integrated flushing type filter core, as shown in figure 13 to figure 16, other features are same as Example 1, and difference exists In: integrated flushing type filter core of the invention is additionally provided with filter housing 6, and the first film unit 1 and the second film unit 2 are centered on central tube It rolls and encapsulation is in the inside of filter housing 6.
Filter housing 6 is provided with for making concentrated water A flow to the upper end cover 61 of wraparound, lower cover 62, filter housing main body 63 and for root Enter the waterway switching device 64 of water route switching according to hydraulic pressure, waterway switching device 64 is assemblied in filter housing main body 63, water route switching dress It sets 64 to be connected to the first raw water inlet 15 and the second raw water inlet 25 respectively, the sealing of upper end cover 61 is assemblied in the first film unit 1 and second film unit 2 and be located at the first long 13 side A, lower cover 62 sealing be assemblied in the first film unit 1 and the second film unit 2 And it is located at the second long 14 side A.
Lower cover 62, which is provided with, rinses the mouth of a river 621, rinses the mouth of a river 621 and is connected to the second raw water inlet port.
Waterway switching device 64 is provided with the spring 641 and baffle 642 that can generate deformation, 641 fixing assembling of spring in Lower cover 62, baffle 642 are assemblied in spring 641, and baffle 642 is abutted with 62 activity of lower cover.
Filter housing main body 63 is provided with filter core chamber 63 and raw water chamber 632, upper end cover 61, lower cover 62, the first film unit 1 and Two film units 2 are set in filter core chamber 63, and raw water chamber 632 is abutted with 642 activity of baffle.
In operating condition, raw water pressure be greater than spring 641 largest deformation power, baffle 642 pushed away and with lower cover 62 It abuts, rinses the mouth of a river 621 and closed by baffle 642, raw water enters to filter core chamber 63 from raw water chamber 632, then flows to from filter core chamber 63 First raw water inlet 15, raw water enter the first film unit 1 from the first raw water inlet 15, and raw water is handled through the first film unit 1 Pure water A and concentrated water A is obtained, pure water A enters pure water cavity configuration and integrated flushing type filter core, concentrated water A is discharged by the first central tube 31 It flows out and turns to through the first concentrated water outlet 16 and flow into the first concentrated water channel 321, then concentrated water A enters the first concentrated water channel 321 again Integrated flushing type filter core is discharged from third concentrated water water outlet 3221 through current limliting aperture 3211.
When rinsing operating condition, the first central tube 31 blocking, raw water pressure is less than the deformation power of spring 641, baffle 642 and original The edge of water cavity 632 abuts, and filter core chamber 63 and raw water chamber 632 separate, and rinses the mouth of a river 621 and is connected to raw water chamber 632, and raw water is from original Water cavity 632, which enters to, rinses the mouth of a river 621, and raw water enters the second film unit 2 from the second raw water inlet 25, and raw water is through the second film list Member 2 handles to obtain pure water B and concentrated water B, and water B enters pure water cavity configuration and reversely rinses from the production water surface 4 of the first film unit 1 to first The water entering surface 5 of film unit 1, final pure water B is from the first concentrated water outlet 16 and turns to the first concentrated water channel 321 of inflow, and pure water B is final Be discharged integrated flushing type filter core from third concentrated water water outlet 3221, concentrated water B via through holes 3212 enter the second concentrated water channel 322 and from Integrated flushing type filter core is discharged in third concentrated water water outlet 3221.
The raw water chamber 632 that useful raw water enters integrated flushing type filter core is arranged in filter housing main body 63, for the pure of pure water A to be discharged The mouth of a river 634 and for concentrated water A, concentrated water B and pure water B concentrated water spout 635 to be discharged.
In operating condition, raw water enters integrated flushing type filter core from raw water chamber 632, and raw water pressure is greater than spring 641 Largest deformation power, baffle 642 are pushed away and are abutted with lower cover 62, are rinsed the mouth of a river 621 and are closed by baffle 642, raw water is from raw water chamber 632 enter to filter core chamber 63, and raw water flows to the first raw water inlet 15 from filter core chamber 63 again, and raw water is from the first raw water inlet 15 Into the first film unit 1, raw water handles to obtain pure water A and concentrated water A through the first film unit 1, and pure water A enters pure water cavity configuration and passes through Most integrated flushing type filter core is discharged through pure water mouth 634 afterwards in first central tube 31, pure water A, and concentrated water A is through 16 outflow of the first concentrated water outlet And turn to and flow into the first concentrated water channel 321, then concentrated water A enters the first concentrated water channel 321 again through current limliting aperture 3211 from third Most integrated flushing type filter core is discharged through concentrated water spout 635 afterwards in concentrated water water outlet 3221, concentrated water A.
When rinsing operating condition, the first central tube 31 blocking, raw water enters integrated flushing type filter core, raw water from raw water chamber 632 Pressure is less than the deformation power of spring 641, and baffle 642 is abutted with the edge of raw water chamber 632, and filter core chamber 63 and raw water chamber 632 separate, It rinses the mouth of a river 621 to be connected to raw water chamber 632, raw water enters to from raw water chamber 632 and rinses the mouth of a river 621, and raw water is again from the second raw water Water inlet 25 enters the second film unit 2, and raw water handles to obtain pure water B and concentrated water B through the second film unit 2, and pure water B enters pure water chamber knot Structure is simultaneously reversely rinsed from the water surface 4 that produces of the first film unit 1 to the water entering surface 5 of the first film unit 1, and final pure water B is from the first concentrated water Outlet 16 simultaneously turns to the first concentrated water channel 321 of inflow, and pure water B is finally discharged through third concentrated water water outlet 3221 from concentrated water spout 635 Integrated flushing type filter core, concentrated water B via through holes 3212 enter the second concentrated water channel 322 and from third concentrated water water outlets 3221, finally Integrated flushing type filter core is discharged through concentrated water spout 635.
Compared with Example 1, the integrality that ensure that a kind of integrated flushing type Filter overall structure of the present embodiment, simultaneously The switching for rinsing operating condition and operating condition can be neatly realized by waterway switching device 64.
Embodiment 3.
A kind of integrated flushing type filter core, as shown in FIG. 17 and 18, other features are same as Example 1, the difference is that: The waterway switching device 64 of the present embodiment is provided with the spring 641 and baffle 642 that can generate deformation, 641 fixing assembling of spring In filter housing main body 63, baffle 642 is assemblied in spring 641, and baffle 642 is abutted with 62 activity of lower cover.
Filter housing main body 63 is provided with filter core chamber 63 and raw water chamber 632, upper end cover 61, lower cover 62, the first film unit 1 and Two film units 2 are set in filter core chamber 63, and raw water chamber 632 is abutted with 642 activity of baffle.
In operating condition, raw water pressure be greater than spring 641 largest deformation power, baffle 642 pushed away and with lower cover 62 It abuts, rinses the mouth of a river 621 and closed by baffle 642, raw water enters to filter core chamber 63 from raw water chamber 632, then flows to from filter core chamber 63 First raw water inlet 15, raw water enter the first film unit 1 from the first raw water inlet 15, and raw water is handled through the first film unit 1 Pure water A and concentrated water A is obtained, pure water A enters pure water cavity configuration and integrated flushing type filter core, concentrated water A is discharged by the first central tube 31 It flows out and turns to through the first concentrated water outlet 16 and flow into the first concentrated water channel 321, then concentrated water A enters the first concentrated water channel 321 again Integrated flushing type filter core is discharged from third concentrated water water outlet 3221 through current limliting aperture 3211.
When rinsing operating condition, the first central tube 31 blocking, raw water pressure is less than the deformation power of spring 641, baffle 642 and original The edge of water cavity 632 abuts, and filter core chamber 63 and raw water chamber 632 separate, and rinses the mouth of a river 621 and is connected to raw water chamber 632, and raw water is from original Water cavity 632, which enters to, rinses the mouth of a river 621, and raw water enters the second film unit 2 from the second raw water inlet 25, and raw water is through the second film list Member 2 handles to obtain pure water B and concentrated water B, and water B enters pure water cavity configuration and reversely rinses from the production water surface 4 of the first film unit 1 to first The water entering surface 5 of film unit 1, final pure water B is from the first concentrated water outlet 16 and turns to the first concentrated water channel 321 of inflow, and pure water B is final Be discharged integrated flushing type filter core from third concentrated water water outlet 3221, concentrated water B via through holes 3212 enter the second concentrated water channel 322 and from Integrated flushing type filter core is discharged in third concentrated water water outlet 3221.
Compared with Example 1, the integrality that ensure that a kind of integrated flushing type Filter overall structure of the present embodiment, simultaneously The switching for rinsing operating condition and operating condition can be neatly realized by waterway switching device 64.
Embodiment 4.
A kind of integrated flushing type filter core, as shown in figures 19-22, other features are same as Example 1, the difference is that: First film unit 1, which is provided with, produces the water surface 4 and water entering surface 5.
First film unit 1 is the first film unit 1 for being folded in half into the double-deck rectangle structure, and water entering surface 5 is opposite, and conduplication side is Rectangular short side, is defined as the first wide A 11 for conduplication side, and the short side opposite with conduplication side is defined as the second wide A 12, with Two adjacent long sides of conduplication side are defined as the first long A 13 and the second long A 14, and the second wide A 12 is sealed along water entering surface 5 Processing, and the second long A 14 is the first raw water inlet 15, the first long A 13 is the first concentrated water outlet 16.
Second film unit 2, which is provided with, produces the water surface 4 and water entering surface 5.
Second film unit 2 be folded in half into the double-deck rectangle structure the second film unit 2 and water entering surface 5 it is opposite, conduplication side is Rectangular short side, is defined as the first wide B 21 for conduplication side, and the short side opposite with conduplication side is defined as the second wide B 22, with Two adjacent long sides of conduplication side are defined as the first long B 23 and the second long B 34, and the second central tube 32 is seamless to be connected into water The face and both ends of the second central tube 32 are not in the inside of the second film unit 2, the second central tube 32 is parallel with the first wide B 21, and first Long B 23 and the second long B 24 is sealed processing along water entering surface 5 respectively, and the second wide B 22 is the second raw water inlet 25.
Compared with Example 1, the raw water of the present embodiment is less than the process of embodiment in the process of the first film unit 1, can Reduce raw water in the crushing of the first film unit 1.
Embodiment 5.
A kind of integrated flushing type filter core, other features are same as Example 1, the difference is that: the first film of the invention Unit 1 is provided with multiple.Second film unit 2 is provided with multiple.
Second central tube 32 is provided with center pipe in multiple second.Center pipe and the first film unit 1 correspond in second.
Center pipe and the assembly of the first central tube 31 are cylindrical center tube assembly 3 in multiple second.
The first film unit of the present embodiment 1 is specifically configured to 5, and center pipe is both provided with 2 in the second film unit 2 and second It is a.
Compared with Example 1, the integrated flushing type filter core of the present embodiment is more efficient.
Embodiment 6.
A kind of filtration system with the filter core, the integrated flushing type filter core with embodiment 1.
A kind of filtration system can be rinsed when shutting down and standing, solve the problems, such as " head cup water ".It not will increase simultaneously more The size of filtration system.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed Solution, can be with modifying or equivalently replacing the technical solution of the present invention, without departing from the essence and model of technical solution of the present invention It encloses.

Claims (10)

1. a kind of integrated flushing type filter core, it is characterised in that: it is provided with and is used to prepare the first film unit of pure water, for first Film unit carries out the second film unit and center tube assembly of back flush, the first film unit and the second film unit and center tube assembly It rolls and is integrated into an entirety, the second film unit is connected to by center tube assembly with the first film unit;
In operating condition, raw water enter the first film unit handle collection is discharged in pure water A and concentrated water A, pure water A and concentrated water A respectively At flushing type filter core;
When rinsing operating condition, raw water enter the second film unit handle pure water B and concentrated water B, pure water B infiltrate into the first film unit Is produced from water side, then pure water B is then exhausted from integrated flushing type filter core, and integrated flushing type filter core is discharged in concentrated water B.
2. integrated flushing type filter core according to claim 1, it is characterised in that: the center tube assembly is provided with for receiving The first central tube and the second central tube for collecting concentrated water for collecting pure water, the first central tube respectively with the first film unit and second Film unit connection, the second central tube are connected to the first film unit and the second film unit respectively;
Second central tube is two concentrated water channels, and it is dense that the channel for collecting the concentrated water that the first film unit generates is defined as first The channel for collecting the concentrated water that the second film unit generates is defined as the second concentrated water channel, the one end in the first concentrated water channel by aquaporin It is connected to the one end in the second concentrated water channel;
In operating condition, raw water enters the first film unit and handles to obtain pure water A and concentrated water A, and pure water A is discharged by the first central tube Integrated flushing type filter core is discharged through the first concentrated water channel in integrated flushing type filter core, concentrated water A;
When rinsing operating condition, raw water enter the second film unit handle pure water B and concentrated water B, pure water B infiltrate into the first film unit Is produced from water side, then integrated flushing type filter core is discharged through the first concentrated water channel in pure water B, and concentrated water B is discharged integrated through the second concentrated water channel Flushing type filter core.
3. integrated flushing type filter core according to claim 2, it is characterised in that: first film unit is provided with the production water surface And water entering surface;
First film unit is the first film unit for being folded in half into the double-deck rectangle structure, and water entering surface is opposite, and conduplication side is length Rectangular short side, is defined as the first width A for conduplication side, the short side opposite with conduplication side is defined as the second width A, with conduplication side phase Two adjacent long sides are defined as the first long A and the second long A, and the first long A and the second long A are sealed processing along water entering surface respectively, And second long A far from there are the outlet of the first concentrated water, the second wide A is the first raw water inlet at the second wide A;
Second film unit, which is provided with, produces the water surface and water entering surface;
Second film unit be folded in half into the double-deck rectangle structure the second film unit and water entering surface it is opposite, conduplication side be it is rectangular Conduplication side is defined as the first width B by the short side of shape, and the short side opposite with conduplication side is defined as the second width B, adjacent with conduplication side Two long sides be defined as the first long B and the second long B, the second central tube is seamless to be connected to the two of water entering surface and the second central tube End not in the inside of the second film unit, the second central tube is parallel with the first width B, the first long B along water entering surface be sealed handle and Processing is sealed along water entering surface respectively there are the second raw water inlet and far from the first width B, the first long B and second width B.
4. integrated flushing type filter core according to claim 2, it is characterised in that: first film unit is provided with the production water surface And water entering surface;
First film unit is the first film unit for being folded in half into the double-deck rectangle structure, and water entering surface is opposite, and conduplication side is length Rectangular short side, is defined as the first width A for conduplication side, the short side opposite with conduplication side is defined as the second width A, with conduplication side phase Two adjacent long sides are defined as the first long A and the second long A, and the second width A is sealed processing along water entering surface, and the second long A is the One raw water inlet, the first long A are the outlet of the first concentrated water;
Second film unit, which is provided with, produces the water surface and water entering surface;
Second film unit be folded in half into the double-deck rectangle structure the second film unit and water entering surface it is opposite, conduplication side be it is rectangular Conduplication side is defined as the first width B by the short side of shape, and the short side opposite with conduplication side is defined as the second width B, adjacent with conduplication side Two long sides be defined as the first long B and the second long B, the second central tube is seamless to be connected to the two of water entering surface and the second central tube Not in the inside of the second film unit, the second central tube is parallel with the first width B at end, the first long B and the second long B respectively along water entering surface into Row encapsulation process, the second wide B are the second raw water inlet.
5. the integrated flushing type filter core according to claim 3 or 4, it is characterised in that: when the first film unit and the second film When unit is unfolded, the first long A and the first long B are located at the same side, and the second long A and the second long B are located at the same side, the first wide A and the One width B is located at the same side, and the width of the second wide A and second B is located at the same side;
Two end faces in second concentrated water channel are all closed end, and the second concentrated water channel is limited far from the first long A setting Aperture is flowed, current limliting aperture is located at the side in the second concentrated water channel and is connected to the first concentrated water channel, and the side of the second central tube is set It is equipped with multiple for collecting the through-hole of concentrated water B;
The end face that first concentrated water connects the nearly first long A is to open wide end face, and the end face of the first concentrated water channel close to the second long B are Closed end, the first concentrated water channel are being provided with third concentrated water water outlet far from the first long A, and third concentrated water water outlet is located at second The side of central tube.
6. integrated flushing type filter core according to claim 5, it is characterised in that: the area of current limliting aperture is defined as C1, the The area of three concentrated water water outlets is defined as C2, there are C1< C2
First central tube and the second central tube are cylindrical center tube assembly in assembly.
7. integrated flushing type filter core according to claim 6, it is characterised in that: the production water surface of first film unit is along Two wide A, the first long A and the second long A are provided with first sealing device, sealing device first film unit adjacent with water inlet film respectively Or second film unit corresponding position be tightly connected, formed with the first width A be export pure water cavity configuration;
The production water surface of second film unit is provided with the second sealing device, sealing dress along the second wide B, the first long B and the second long B It sets adjacent with water inlet film respectively the first film unit or the second film unit corresponding position to be tightly connected, formation is with the first width B The pure water cavity configuration of outlet;
The first wide A and the first wide B offset with the first central tube respectively;
In operating condition, raw water enters the first film unit from the first raw water inlet, and raw water handles pure through the first film unit Water A and concentrated water A, pure water A enter pure water cavity configuration and integrated flushing type filter core are discharged by the first central tube, and concentrated water A is through first Concentrated water outlet, which flows out simultaneously to turn to, flows into the first concentrated water channel, and then concentrated water A enters the first concentrated water channel again through current limliting aperture from the Integrated flushing type filter core is discharged in three concentrated water water outlets;
When rinsing operating condition, the first center blockage, raw water enters the second film unit from the second raw water inlet, and raw water is through second Film unit handles to obtain pure water B and concentrated water B, pure water B enter pure water cavity configuration and reversely from the production water surface of the first film unit rinse to The water entering surface of first film unit, final pure water B exported from the first concentrated water and turn to flow into the first concentrated water channel, pure water B finally from Integrated flushing type filter core is discharged in third concentrated water water outlet, and concentrated water B via through holes enter the second concentrated water channel and are discharged from third concentrated water Integrated flushing type filter core is discharged in mouth.
8. integrated flushing type filter core according to claim 7, it is characterised in that: be additionally provided with filter housing, the first film unit and Second film unit is rolled centered on central tube and encapsulation is in the inside of filter housing;
The filter housing is provided with for making concentrated water A and pure water B flow to the upper end cover of wraparound, lower cover, filter housing main body and for root Enter the waterway switching device of water route switching according to hydraulic pressure, waterway switching device is assemblied in filter housing main body, waterway switching device difference Be connected to the first raw water inlet and the second raw water inlet, upper end cover sealing be assemblied in the first film unit and the second film unit and Positioned at the first long side A, lower cover sealing is assemblied in the first film unit and the second film unit and is located at the second long side A;
The lower cover, which is provided with, rinses the mouth of a river, rinses the mouth of a river and is connected to the second raw water inlet port.
9. integrated flushing type filter core according to claim 8, it is characterised in that: first film unit is provided with multiple;
Second film unit is provided with multiple;
Second central tube is provided with center pipe in multiple second;
Center pipe and the first film unit correspond in described second;
Center pipe and the assembly of the first central tube are cylindrical center tube assembly in the multiple second;
First film unit is reverse osmosis membrane unit, nanofiltration film unit or ultrafiltration film unit;
Second film unit is reverse osmosis membrane unit, nanofiltration film unit or ultrafiltration film unit.
10. a kind of filtration system, it is characterised in that: have integrated flushing type filter as claimed in any one of claims 1 to 9 Core.
CN201910190113.5A 2019-03-13 2019-03-13 A kind of integrated flushing type filter core and the filtration system with the filter core Pending CN109987678A (en)

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