CN105502579B - The ultra-filtration element of household water-purifying machine from rinse-system, from purging method and household water-purifying machine - Google Patents
The ultra-filtration element of household water-purifying machine from rinse-system, from purging method and household water-purifying machine Download PDFInfo
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- CN105502579B CN105502579B CN201511031377.4A CN201511031377A CN105502579B CN 105502579 B CN105502579 B CN 105502579B CN 201511031377 A CN201511031377 A CN 201511031377A CN 105502579 B CN105502579 B CN 105502579B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2317/00—Membrane module arrangements within a plant or an apparatus
- B01D2317/02—Elements in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2317/00—Membrane module arrangements within a plant or an apparatus
- B01D2317/04—Elements in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/02—Forward flushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The ultra-filtration element of household water-purifying machine provided by the invention is from rinse-system, including multigroup hyperfiltration membrane assembly and the filter housing for encapsulating hyperfiltration membrane assembly；The side space of hyperfiltration membrane assembly forms water purifying chamber, and the other side space of hyperfiltration membrane assembly forms waste water room；Every group of hyperfiltration membrane assembly is connected to a raw water tubes, a waste pipe and a pure water pipe；Raw water tubes and waste pipe are connected to waste water room respectively, and pure water pipe is connected to water purifying chamber；Multiple raw water tubes cross connection, and each raw water tubes are respectively equipped with raw water control valve before crossing；Multiple waste pipes cross connection, and each waste pipe is respectively equipped with waste water control valve before crossing；Multiple pure water pipes cross connection；The ultra-filtration element of household water-purifying machine provided by the invention is from rinse-system by selecting control valve to realize efficient flushing effect.The present invention also provides the household water-purifying machine with high-efficiency rinsing effect, the service life of ultra-filtration element is long, can also realize the water-saving of intelligence by water-saving circulating system.
Description
Technical field
The present invention relates to the ultra-filtration element of purifier more particularly to household water-purifying machine and its household water-purifying machine, oneself, which rinses, is
System.
Background technology
Hyperfiltration technique plays more and more important work in fields such as in-line coagulation, drinking water treatment, Treated sewage reusings
With.Currently, being typically provided with ultra-filtration element in household water-purifying machine, ultra-filtration element is using ultrafiltration membrane as filter medium, ultrafiltration membrane surface cloth
Full micropore, micropore size are generally 0.001~0.02 micron, and raw water passes through ultrafiltration membrance filter, and ultrafiltration membrane only allows water in solution
The small organic molecule that molecule, inorganic salts and diameter are less than micropore size penetrates, and by suspended matter, colloid, the albumen in solution
The macromolecular substances such as matter and microorganism retain, to achieve the purpose that purification and separation.Ultrafiltration membrane through filter after a period of time with
Afterwards, the surface of ultrafiltration membrane has accumulated the polluters such as sludge, bacterium, and filtration resistance increases, and producing water ratio substantially reduces, and leads to filter core
It needs to be replaced as frequently as.Since the tap water quality of some areas is poor, filter core will be replaced by only producing 1 ton of water sometimes, not ring
It protects and of high cost.
The prior art also has through backwash, remaining dirt on ultrafiltration membrane surface is washed down, to restore ultrafiltration membrane
Strainability.But since backwash process needs to provide larger pressure difference, the prior art need using pressure pot or
It pumps to provide the pressure difference needed for backwash, causes rinse-system complicated, it is of high cost.
Since people generally wish that household water-purifying machine minimizes, the filter core of simple operation, water purifier can be used for a long time
Without influencing its performance, therefore, the ultra-filtration element for making household water-purifying machine that there is simple and effective household water-purifying machine how is realized certainly
Rinse-system is technical problem urgently to be resolved hurrily in the industry.
Invention content
The present invention is directed to problem above existing in the prior art, provides a kind of household water-purifying machine, the household water-purifying machine packet
Multiple hyperfiltration membrane assemblies are included, the purified water generated using part hyperfiltration membrane assembly in multiple hyperfiltration membrane assemblies is to ultrafiltration to be rinsed
Membrane module is backwashed, and the rinse-system of the household water-purifying machine is simple in structure, it can be achieved that high-efficiency rinsing, the use of ultra-filtration element
Long lifespan.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of ultra-filtration element of household water-purifying machine is from rinse-system, including multigroup hyperfiltration membrane assembly and described super for encapsulating
The filter housing of filter membrane component；The side space of the hyperfiltration membrane assembly forms water purifying chamber, the other side space of the hyperfiltration membrane assembly
Form waste water room；Hyperfiltration membrane assembly described in every group is connected to a raw water tubes, a waste pipe and a pure water pipe；The raw water tubes
It is connected to respectively with the waste water room with waste pipe, the pure water pipe is connected to the water purifying chamber；Multiple raw water tubes cross connection, and
Each raw water tubes are respectively equipped with raw water control valve before crossing；Multiple waste pipes cross connection, and each waste pipe is crossing
Before be respectively equipped with waste water control valve；Multiple pure water pipes cross connection；Raw water control valve, waste water control valve are controlled by selection
The switch of door and water purification control valve realizes filtering or pre-washing function of the ultra-filtration element from rinse-system.
In one embodiment of the invention, multigroup filter membrane component is packaged in a filter housing, is equipped with and is divided in the filter housing
The filter housing is separated into multiple separate spaces by partition board, the demarcation strip, and hyperfiltration membrane assembly described in every group is set to an independence
Space；Multigroup hyperfiltration membrane assembly and demarcation strip in the filter housing and filter housing form a filter core.
In one embodiment of the invention, hyperfiltration membrane assembly described in every group is packaged in a filter housing, forms one solely
Vertical filter core.
In one embodiment of the invention, further include controller, the controller and the raw water control valve, waste water
Control valve is connected by signal respectively, and the raw water control valve, waste water control valve are solenoid valve or motor-driven valve.
In one embodiment of the invention, one end closing of the water purifying chamber, the other end is equipped with water purification interface, described useless
One end of hydroecium is equipped with raw water interface, and the other end offers waste water interface, the pure water pipe by the water purification interface with it is described
Water purifying chamber is connected to, and the waste water room is connected to by the raw water interface with the raw water tubes, and the waste water room passes through the waste water
Interface is connected to the waste pipe.
In one embodiment of the invention, the raw water interface and the waste water interface are set as the same water inlet,
The waste water room is connect by the water inlet with the raw water tubes and the waste pipe.
In one embodiment of the invention, the communicating position of the waste pipe and the raw water tubes is set to the water inlet
Between the raw water control valve.
In one embodiment of the invention, the raw water tubes are equipped with pressure maintaining valve, and ultrafiltration membrane is prevented to be crushed.
The present invention also provides the ultra-filtration elements of the above household water-purifying machine from purging method, includes the following steps：
Step 1: a hyperfiltration membrane assembly to be rinsed is selected, and one or more hyperfiltration membrane assemblies to work；
Step 2: closing the raw water control valve of the hyperfiltration membrane assembly to be rinsed, the ultrafiltration membrane group of work is simultaneously closed off
The waste water control valve of part；
Step 3: opening the raw water control valve of the hyperfiltration membrane assembly of work, and open ultrafiltration ultrafiltration membrane group to be rinsed
The waste water control valve of part；
Step 4: according to the time of setting or the pressure difference of setting or the flow of setting to hyperfiltration membrane assembly to be rinsed into
Row backwash.
Specifically, in step 4, according to water quality situation, setting certain time interval to hyperfiltration membrane assembly to be rinsed into
Row backwash.
Specifically, in step 4, when flow reduce certain value or pressure difference become larger certain value when, to ultrafiltration to be rinsed
Membrane module is backwashed.
The ultra-filtration element of the household water-purifying machine from purging method, it is further comprising the steps of：
The raw water control valve and waste water control valve of hyperfiltration membrane assembly are opened simultaneously, realizes and hyperfiltration membrane assembly is carried out just
It rinses.
The present invention also provides a kind of household water-purifying machine, including cabinet, the super of above-mentioned household water-purifying machine is provided in cabinet
Filter core is filtered from rinse-system.
In one embodiment of the invention, the cabinet is equipped with panel, is slided in the cabinet and is provided with drawing and pulling type support
Disk component, when the tray drawn along axis type component is pulled out out of cabinet, forming suspension with cabinet connects；The tray drawn along axis type component
Lower section be equipped with vertical fixing plate, vertical fixing plate just facing towards the panel, the back side of the vertical fixing plate with it is described
The inner wall of cabinet forms accommodating space, and the ultra-filtration element of the household water-purifying machine is installed on the accommodation space from rinse-system.
In one embodiment of the invention, water-saving circulating system, the water-saving circulating system are additionally provided in the cabinet
Including reverse osmosis filter core or nanofiltration filter core, reverse osmosis filter core or nanofiltration filter core connection water producing pipe, concentrated water pipe and water inlet pipe；It is described dense
Return duct is equipped between water pipe and water inlet pipe, the water inlet pipe is equipped with water quality sensor and booster pump, and the concentrated water pipe is equipped with
Washing control valve is provided with waste water ratio control valve and check valve on the return duct；The water inlet pipe is connected to the pure water pipe,
The concentrated water pipe converges with the waste pipe to be connected to, the water producing pipe output drinking water.
Advantageous effect：The ultra-filtration element that household water-purifying machine provided by the invention passes through ultrafiltration household water-purifying machine simple in structure
From rinse-system, realize efficient flushing effect, the service life of ultra-filtration element is long, will not because of attachment sludge, bacterium or
Macromolecular substances and scrap.Tests prove that the ultra-filtration element of household water-purifying machine provided by the invention uses two from rinse-system
Only when 8 cun of ultra-filtration elements, total water yield reaches 200 ton hours, and production water flow is still the 75% of initial production water flow value.Household water
Month 2.5 tons of water, can use 5 years, achieve the effect that long-acting and environmentally friendly.If purified water be only used for wash vegetables, cook, the moon is with 1 ton,
It can then use 10 years or more.The ultra-filtration element of household water-purifying machine provided by the invention it is easy to operate from purging method.This hair
Also being realized by water-saving circulating system for the household water-purifying machine of bright offer can determine waste discharge amount according to water quality, allow water purification
It is quick-witted can it is water-saving.
Description of the drawings
Fig. 1 is the ultra-filtration element of household water-purifying machine provided by the invention from the first embodiment schematic diagram of rinse-system；
Fig. 2 is the ultra-filtration element of household water-purifying machine provided by the invention from the second embodiment schematic diagram of rinse-system；
Fig. 3 is the ultra-filtration element of household water-purifying machine provided by the invention from the 3rd embodiment schematic diagram of rinse-system；
Fig. 4 is the ultra-filtration element of household water-purifying machine provided by the invention from the fourth embodiment schematic diagram of rinse-system；
Fig. 5 is the ultra-filtration element of household water-purifying machine provided by the invention from the 5th embodiment schematic diagram of rinse-system；
Fig. 6 is the overall structure diagram of household water-purifying machine provided by the invention；
Fig. 7 is the tray drawn along axis type component push-in cabinet status diagram of household water-purifying machine provided by the invention；
Fig. 8 is the tray drawn along axis type component suspension status schematic diagram of household water-purifying machine provided by the invention；
Fig. 9 is the schematic diagram of water-saving circulating system first embodiment provided by the invention；
Figure 10 is the schematic diagram of water-saving circulating system second embodiment provided by the invention.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings：
The ultra-filtration element of household water-purifying machine provided by the invention from rinse-system include multigroup hyperfiltration membrane assembly, every group of ultrafiltration
The side space of membrane module forms water purifying chamber, and other side space forms waste water room, and water purifying chamber is connected to pure water pipe b, the connection of waste water room
Waste pipe c and raw water tubes a.When the ultra-filtration element of the household water-purifying machine is filtered from rinse-system, it is passed through from raw water tubes a certainly
Water or primary purifying water, tap water or primary purifying water enter waste water room and enter water purification after hyperfiltration membrane assembly filtering
The purified water of room, water purifying chamber is flowed out from pure water pipe b, and the waste water of waste water room is flowed out from waste pipe c.Multiple raw water tubes a cross connection,
And each raw water tubes a is respectively equipped with raw water control valve before crossing between filter membrane component；Multiple waste pipe c cross connection,
And each waste pipe c is respectively equipped with waste water control valve before crossing；Multiple pure water pipe b cross connection, and each pure water pipe b is handed over
Water purification control valve there are one being set after remittance.The ultra-filtration element of the household water-purifying machine controls raw water control from rinse-system by selection
The break-make of valve, waste water control valve and water purification control valve can realize it is positive rinse and backwashing function, and by square impact and
High-efficiency rinsing is completed in recoil, need not use middle tank or pressure pot, filter core is made to have long service life, be not necessarily to often more
Change filter core.
The present invention also provides the ultra-filtration elements of the above household water-purifying machine from purging method, includes the following steps：
Step 1: a hyperfiltration membrane assembly to be rinsed is selected, and one or more hyperfiltration membrane assemblies to work；
Step 2: closing the raw water control valve of the hyperfiltration membrane assembly to be rinsed, the ultrafiltration membrane group of work is simultaneously closed off
The waste water control valve of part；
Step 3: opening the raw water control valve of the hyperfiltration membrane assembly of work, and open ultrafiltration ultrafiltration membrane group to be rinsed
The waste water control valve of part；
Step 4: according to the time of setting or the pressure difference of setting or the flow of setting to hyperfiltration membrane assembly to be rinsed into
Row backwash.
Specifically, in step 4, according to water quality situation, setting certain time interval to hyperfiltration membrane assembly to be rinsed into
Row backwash.
Specifically, in step 4, when flow reduce certain value or pressure difference become larger certain value when, to ultrafiltration to be rinsed
Membrane module is backwashed.
The ultra-filtration element of the household water-purifying machine from purging method, it is further comprising the steps of：
The raw water control valve and waste water control valve of hyperfiltration membrane assembly are opened simultaneously, realizes and hyperfiltration membrane assembly is carried out just
It rinses.
Tests prove that the ultra-filtration element of household water-purifying machine provided by the invention uses two 8 cun of ultrafiltration from rinse-system
When filter core, total water yield reaches 200 ton hours, and production water flow is still the 75% of initial production water flow value.The home-use moon in water is with 2.5 tons
Water can be used 5 years, achieve the effect that long-acting and environmentally friendly.If purified water be only used for wash vegetables, cook, the moon is with 1 ton, can use
By 10 years or more.
First embodiment of the ultra-filtration element of household water-purifying machine from rinse-system：
Fig. 1 is the ultra-filtration element of household water-purifying machine provided by the invention from the schematic diagram of rinse-system first embodiment, this
For embodiment by taking two groups of hyperfiltration membrane assemblies as an example, two groups of hyperfiltration membrane assemblies are respectively the first hyperfiltration membrane assembly 101 and the second ultrafiltration membrane
Component 102.First hyperfiltration membrane assembly 101 include three waterpipe jointings, be separately connected the first raw water tubes a1, the first waste pipe c1 and
First pure water pipe b1, the second hyperfiltration membrane assembly 102 includes equally three waterpipe jointings, is separately connected the second raw water tubes a2, second
Waste pipe c2 and the second pure water pipe b2.First raw water tubes a1 and the second raw water tubes a2 crosses connection, and the first raw water tubes a1 and
Two raw water tubes a2 are respectively equipped with the first raw water control valve 201 and the second raw water control valve 202 before crossing.First waste pipe
C1 and the second waste pipe c2 crosses connection, and the first waste pipe c1 and the second waste pipe c2 are equipped with the first waste water before crossing and control
Valve 301 and the second waste water control valve 302.First pure water pipe b1 and the second pure water pipe b2 crosses connection, and the first pure water pipe
B1 and the second pure water pipe b2 is set after crossing there are one water purification control valve 501.It should be noted that due to the first pure water pipe b1 and
Second pure water pipe b2 would generally be connected to other filter devices after crossing, therefore water purification control valve 501 is not necessary, as long as
Any one after pure water pipe crosses is equipped with valve or can generate kickback pressure.
The ultra-filtration element of household water-purifying machine is opened from the first raw water control valve 201 in rinse-system, the first waste water control
When valve 301 processed, the second raw water control valve 202, the second waste water control valve 302 and water purification control valve 501, tap water or
Primary purifying water enters waste water room from raw water tubes a, is rinsed to the rubbish adhered on ultrafiltration membrane, and is discharged from waste pipe c, real
Ultra-filtration element is just being rinsed while production water now.
The ultra-filtration element of the household water-purifying machine of the present embodiment is carried out instead from the first hyperfiltration membrane assembly 101 in rinse-system
When flushing, the first waste water control valve 301 and the second raw water control valve 202 are opened, and close the first raw water control valve
201, the second waste water control valve 302 and water purification control valve 501.Tap water or primary purifying water flow through water purifying chamber, by super
Purified water after membrane filtration enters back into the water purifying chamber of another hyperfiltration membrane assembly from pure water pipe b outflows, then from water purifying chamber into
Enter waste water room, the rubbish adhered on ultrafiltration membrane is backwashed, and is discharged by waste pipe c.Similarly, to the household of the present embodiment
When the ultra-filtration element of water purifier is backwashed from the second hyperfiltration membrane assembly 102 in rinse-system, the control of the second waste water is opened
Valve 302 and the first raw water control valve 201, and close the second raw water control valve 202,301 and of the first waste water control valve
Water purification control valve 501.It should be noted that the hyperfiltration membrane assembly in the present embodiment is at least two groups, but it is not limited to two groups.
Second embodiment of the ultra-filtration element of household water-purifying machine from rinse-system：
Fig. 2 is the ultra-filtration element of household water-purifying machine provided by the invention from the schematic diagram of rinse-system second embodiment, this
For embodiment by taking three groups of hyperfiltration membrane assemblies as an example, three groups of hyperfiltration membrane assemblies in the present embodiment are the first hyperfiltration membrane assembly 101, second
Hyperfiltration membrane assembly 102 and third hyperfiltration membrane assembly 103.First hyperfiltration membrane assembly 101, the second hyperfiltration membrane assembly 102 and third are super
Filter membrane component 103 includes two waterpipe jointings, and one of waterpipe jointing connects raw water tubes a and waste pipe c, another water pipe
Interface connects pure water pipe b.Three raw water tubes a cross connection, and three raw water tubes a are respectively equipped with the control of the first raw water before crossing
Valve 201, the second raw water control valve 202 and third raw water control valve 203.Three waste pipe c cross connection, and three is each useless
Water pipe c is equipped with the first waste water control valve 301, the second waste water control valve 302 and third waste water control valve before crossing
303.Three pure water pipe b cross connection.In the present embodiment, the raw water tubes a of same hyperfiltration membrane assembly connects same water with waste pipe c
Interface tube, i.e. raw water tubes a are connected to waste pipe c, and communicating position is set between waterpipe jointing and raw water control valve, therefore, should
Waterpipe jointing can only select to be connected to one in raw water tubes or waste pipe, and the hyperfiltration membrane assembly in the present embodiment can only carry out instead
It rinses.
The ultra-filtration element of the household water-purifying machine of the present embodiment is carried out instead from the first hyperfiltration membrane assembly 101 in rinse-system
When flushing, the first waste water control valve 301 is opened, and open the second raw water control valve 202 and/or third raw water control valve
203, and close the first raw water control valve 201, the second waste water control valve 302, third waste water control valve 303 and water purification control
Valve 501 processed.Tap water or primary purifying water flow through water purifying chamber, are flowed from pure water pipe b by the purified water after ultrafiltration membrance filter
Go out to enter back into the water purifying chamber of another hyperfiltration membrane assembly, then enter waste water room from water purifying chamber, by the rubbish adhered on ultrafiltration membrane into
Row backwash, and be discharged by waste pipe c.Similarly, to the ultra-filtration element of the household water-purifying machine of the present embodiment from rinse-system
When second hyperfiltration membrane assembly 202 is backwashed, the second waste water control valve 302 is opened, and open the first raw water control valve
201 and/or third raw water control valve 203, and close the second raw water control valve 202, the first waste water control valve 301, the
Three wastes water control valve 303 and water purification control valve 501.It should be noted that the hyperfiltration membrane assembly in the present embodiment is three groups,
It can be understood that hyperfiltration membrane assembly can be two groups, three groups or three groups or more.
3rd embodiment of the ultra-filtration element of household water-purifying machine from rinse-system：
Fig. 3 is the ultra-filtration element of household water-purifying machine provided by the invention from the schematic diagram of rinse-system 3rd embodiment, this
For embodiment by taking two groups of hyperfiltration membrane assemblies as an example, two groups of hyperfiltration membrane assemblies are the first hyperfiltration membrane assembly 101 and the second hyperfiltration membrane assembly
102.First hyperfiltration membrane assembly 101 and the second hyperfiltration membrane assembly 102 include two waterpipe jointings, and one of waterpipe jointing connects
Raw water tubes a and waste pipe c are met, another waterpipe jointing connects pure water pipe b.Raw water tubes a and waste pipe c are connected by three-way valve
It connects, the three-way valve of the first hyperfiltration membrane assembly 101 and the second hyperfiltration membrane assembly 102 is respectively the first three-way valve 701 and second
Three-way valve 702, the first three-way valve 701 and the second three-way valve 702 are respectively arranged at before two raw water tubes a cross, and are set
It is placed in before two waste pipe c cross.Two pure water pipe b cross connection, and two pure water pipe b cross after set that there are one water purifications to control
Valve 501.In the present embodiment, the raw water tubes a and waste pipe c of same hyperfiltration membrane assembly connect same waterpipe jointing, and raw water tubes a
It is connected to by three-way valve with waste pipe c.Hyperfiltration membrane assembly in the present embodiment can only be backwashed.
To the ultra-filtration element of the household water-purifying machine of the present embodiment from the first hyperfiltration membrane assembly 101 or the second in rinse-system
When hyperfiltration membrane assembly 102 is backwashed, with second embodiment the step of is essentially identical, is a difference in that 3rd embodiment passes through
Raw water tubes a is connected to by three-way valve with waste pipe c, and by three-way valve instead of raw water control valve and waste water control valve
Door.It should be noted that the hyperfiltration membrane assembly in the present embodiment is at least two groups, but it is not limited to two groups.
More than, every group of hyperfiltration membrane assembly is packaged in a filter housing in first embodiment to 3rd embodiment, forms one
Independent filter core, therefore, first embodiment to 3rd embodiment is at least provided with two ultra-filtration elements.
Fourth embodiment of the ultra-filtration element of household water-purifying machine from rinse-system：
Fig. 4 is the ultra-filtration element of household water-purifying machine provided by the invention from the schematic diagram of rinse-system fourth embodiment, this
Embodiment includes the 4th hyperfiltration membrane assembly 401 and the 5th hyperfiltration membrane assembly 402, the 4th hyperfiltration membrane assembly 401 and the 5th ultrafiltration
Membrane module 402 is packaged in a filter housing, and demarcation strip is equipped in filter housing, and filter housing is separated into two separate spaces by demarcation strip, often
Group hyperfiltration membrane assembly is set to a separate space, two groups of hyperfiltration membrane assemblies in filter housing and filter housing and demarcation strip composition one
A filter core.Filter core includes four waterpipe jointings, wherein there are two the 4th hyperfiltration membrane assembly 401 and the 5th hyperfiltration membrane assembly 402 set
Waterpipe jointing, one of waterpipe jointing is for connecting raw water tubes a and waste pipe c, another waterpipe jointing is for connecting water purification
Pipe b, two raw water tubes a cross connection in the connection that crosses, two waste pipe c, and two pure water pipe b cross connection.Specifically, with
The raw water tubes a of four hyperfiltration membrane assemblies 401 connection is equipped with the 4th raw water control valve 601 before crossing, with the 4th hyperfiltration membrane assembly
The waste pipe c of 401 connections is equipped with the 4th waste water control valve 801 before crossing；The raw water being connected to the 5th hyperfiltration membrane assembly 402
Pipe a is equipped with the 5th raw water control valve 602 before crossing, and the waste pipe c being connected to the 5th hyperfiltration membrane assembly 402 is set before crossing
There is the 5th waste water control valve 802；The pure water pipe b being connected to the 4th hyperfiltration membrane assembly 401 and the 5th hyperfiltration membrane assembly 402 crosses
After set there are one water purification control valve 501.
The ultra-filtration element of the household water-purifying machine of the present embodiment is carried out instead from the 4th hyperfiltration membrane assembly 401 in rinse-system
When flushing, the 4th waste water control valve 801 is opened, and open the 5th raw water control valve 602, and close the 4th raw water control valve
The 601, the 5th waste water control valve 802 of door and water purification control valve 501.Similarly, to the ultrafiltration of the household water-purifying machine of the present embodiment
When filter core is backwashed from the 5th hyperfiltration membrane assembly 402 in rinse-system, the 5th waste water control valve 802 is opened, and beat
The 4th raw water control valve 601 is opened, and closes the 5th raw water control valve 602, the 4th waste water control valve 801 and water purification control
Valve 501.In backwash process, tap water or primary purifying water enter water purification from the waste water room of one of hyperfiltration membrane assembly
Room, enters back into the water purifying chamber of hyperfiltration membrane assembly to be rinsed by the purified water after ultrafiltration membrance filter from pure water pipe b outflow, then from
The water purifying chamber of hyperfiltration membrane assembly to be rinsed enters waste water room, and the rubbish adhered on ultrafiltration membrane is backwashed, and by waste pipe c
Discharge.It should be noted that the hyperfiltration membrane assembly in the present embodiment is at least two groups, but it is not limited to two groups.
Fiveth embodiment of the ultra-filtration element of household water-purifying machine from rinse-system：
As shown in figure 5, the ultra-filtration element of the household water-purifying machine of the present embodiment is from rinse-system and the basic phase of fourth embodiment
Together, it is a difference in that raw water tubes a is connected with waste pipe c by three-way valve, with the 4th hyperfiltration membrane assembly 401 and the 5th ultrafiltration membrane
The three-way valve that component 402 connects is respectively the 4th three-way valve 901 and the 5th three-way valve 902,901 He of the 4th three-way valve
5th three-way valve 902 is respectively arranged at before two raw water tubes a cross, and is set to before two waste pipe c cross.Two water purifications
Pipe b crosses connection, and two pure water pipe b cross after set that there are one water purification control valves 501.In the present embodiment, same ultrafiltration membrane
The raw water tubes a and waste pipe c of component connect same waterpipe jointing, and raw water tubes a is connected to waste pipe c by three-way valve.This
Hyperfiltration membrane assembly in embodiment can only be backwashed.
To the ultra-filtration element of the household water-purifying machine of the present embodiment from the 4th hyperfiltration membrane assembly 401 or the 5th in rinse-system
When hyperfiltration membrane assembly 402 is backwashed, with fourth embodiment the step of is essentially identical, is a difference in that the 5th embodiment passes through
Raw water tubes a is connected to by three-way valve with waste pipe c, and by three-way valve instead of raw water control valve and waste water control valve
Door.
The ultra-filtration element of household water-purifying machine in first embodiment above to the 5th embodiment further includes controlling from rinse-system
Device processed, controller are separately connected with raw water control valve, waste water control valve and water purification control valve.Raw water control valve is given up
Water control valve and water purification control valve are solenoid valve or motor-driven valve.
In first embodiment above to the 5th embodiment the ultra-filtration element of household water-purifying machine from rinse-system can independent operating,
It may also set up in the cabinet of any type water purifier.
The ultra-filtration element of household water-purifying machine can further exist from rinse-system in first embodiment above to the 5th embodiment
Pressure maintaining valve is arranged in raw water tubes, to prevent ultrafiltration membrane to be crushed.
The ultra-filtration element of household water-purifying machine provided by the invention is also applied for ceramic filtering from rinse-system and from purging method
Core or stainless steel filter core.
The present invention also provides a kind of household water-purifying machine, which can be embedded in inside cabinet, the panel of cabinet with
Cabinet coordinates.Accommodating space is equipped in cabinet, the ultra-filtration element of the household water-purifying machine in first embodiment to the 5th embodiment is certainly
Rinse-system is installed on the accommodating space.Household water-purifying machine provided by the invention takes full advantage of design space, is not take up additionally
Space, and save middle tank, and filter core is made to have from rinse-system equipped with the ultra-filtration element of household water-purifying machine being simple and efficient
There is long service life.
Refering to Fig. 6~Fig. 8, household water-purifying machine provided by the invention includes cabinet 10, and cabinet 10 is equipped with to be coordinated with cabinet
Panel 11 is provided with tray drawn along axis type component 12 and ultra-filtration element from rinse-system in cabinet 10.Wherein ultra-filtration element rinses certainly
The ultra-filtration element of household water-purifying machine of the system in any embodiment in first embodiment above to the 5th embodiment rinses certainly
System.Tray drawn along axis type component 12 is slideably positioned in close to the top of cabinet 10, and tray drawn along axis type component 12 can be out of cabinet 10
It pulls out, suspension connection is formed with cabinet 10.Tray drawn along axis type component 12 is for carrying active carbon filter core.
12 lower section of tray drawn along axis type component is equipped with the vertical fixing plate 13 for installing ultra-filtration element and reverse osmosis filter core, hangs down
Straight fixed plate 13 just forms accommodating space 14 facing towards panel 11, the back side of vertical fixing plate 13 and the inner wall of cabinet 10, surpasses
Filter filter core is installed on the accommodation space 14 from rinse-system.It, can be by tray drawn along axis type group when ultra-filtration element is installed from rinse-system
The pull-out of part 12 is hung on cabinet 10, to vacate the space of bigger, keeps installation operation convenient.
Water-saving circulating system can be also arranged in household water-purifying machine provided by the invention in cabinet 10.Fig. 9 is offer of the present invention
Water-saving circulating system first embodiment schematic diagram, which includes reverse osmosis filter core or nanofiltration filter core 1104,
Reverse osmosis filter core or nanofiltration filter core 1104 connect water inlet pipe d, water producing pipe e and concentrated water pipe f.The water-saving circulating system and above-mentioned ultrafiltration
Filter core is connected to from rinse-system, and pure water pipe b is connected to water inlet pipe d, and water inlet pipe d is equipped with preposition activated filtration core 1102, reverse osmosis
Water water quality sensor 1601 and booster pump 1103 are penetrated into, is additionally provided on the water inlet pipe d in raw water tubes a or water-saving circulating system
Low pressure sensor 1201.Waste pipe c crosses with concentrated water pipe f to be connected to, and waste pipe c is equipped with ultra-filtration element flushing valve before crossing
1501, concentrated water pipe f are equipped with reverse osmosis filter core flushing valve 1503 before crossing.Water producing pipe e and the drinking water of water-saving circulating system connect
Mouth connection.It is equipped with return duct g between concentrated water pipe f and water inlet pipe d, reflux waste water ratio valve 1701 and first is provided on return duct g
Check valve 1301.Water producing pipe e is equipped with the second check valve 1302, reverse osmosis produced water water monitor 1602, high pressure sensor
1205 and postposition filter core 1105, postposition filter core is selected from one or more of activated carbon, postposition medical stone, UV lamp string
Connection.Wherein low pressure sensor 1201, high pressure sensor 1205, feed water by reverse osmosis water quality sensor 1601, reverse osmosis produced water water quality
Monitor 1602, booster pump 1103, reflux waste water ratio valve 1701, the first check valve 1301, the second check valve 1302, ultra-filtration element
Flushing valve 1501 and reverse osmosis filter core flushing valve 1503 are connect with control circuit signal respectively.
When feed water by reverse osmosis water quality sensor 1601 shows that water quality complies with standard, 1501 He of ultra-filtration element flushing valve is closed
Water saving circulating pattern is opened in reverse osmosis filter core flushing valve 1503：Raw water flow through 1101 filtered purified water of hyperfiltration membrane assembly from
Pure water pipe b outflows, pure water pipe b are connected to water inlet pipe d, and preposition activated filtration core is equipped with successively in water inlet pipe d upper edges water (flow) direction
1102, feed water by reverse osmosis water quality sensor 1601, booster pump 1103 and reverse osmosis filter core or nanofiltration filter core 1104, reverse osmosis filter core
Or the waste water of 1104 output of nanofiltration filter core is flowed out from concentrated water pipe f, then flowed back by return duct g, successively by reflux waste water ratio valve
1701, the first check valve 1301, then enter from waste pipe the waste water room of hyperfiltration membrane assembly 1101, it is for re-filtering.It is reverse osmosis
The purified water of 1104 output of filter core or nanofiltration filter core is flowed out from water producing pipe e, passes through the second check valve 1302, saturating producing water water quality successively
Monitor 1602, high pressure sensor 1205 and postposition filter core 1105, postposition filter core 1105 connect drinking water interface.
The effect of low pressure sensor 1201 is protection booster pump 1103, when low pressure sensor 1201 detects the water of raw water tubes
When pressing through low, booster pump 1103 does not start, and avoids booster pump 1103 and empty pumping occurs, and damages booster pump 1103, and take out in sky
When overheat and generate danger.Certain low pressure sensor 1201 can also be arranged on water inlet pipe d or running water pipe.
The effect of high pressure sensor 1205 is to determine whether system uses water, when high pressure sensor 1205 detects water producing pipe
When hydraulic pressure is excessively high, system-down.Certain high pressure sensor 1205 can be set to the second check valve 1302 and drinking water interface
Between any position.
Low pressure sensor 1201 and 1205 utilizable flow sensor of high pressure sensor are replaced, and also can be used simultaneously.
When feed water by reverse osmosis water quality sensor 1601 shows that water quality is poor, ultra-filtration element flushing valve 1501 and reverse osmosis are opened
The concentrated water that filter core flushing valve 1503, reverse osmosis filter core or nanofiltration filter core 1104 generate will not be back to ultrafiltration filter membrane component
1101。
Figure 10 is the schematic diagram of water-saving circulating system second embodiment provided by the invention, the water saving circulating in the present embodiment
System increases four control valves and a drainpipe h on the basis of first embodiment, specially：It is arranged on water inlet pipe d
Water inlet control valve 1502, the recycle control valve 1505 being arranged on return duct g, drainpipe h and concentrated water pipe f are rushed in reverse osmosis filter core
Cross connection before washing valve 1503, and waste discharge is provided on drainpipe h than valve 1702 and concentrated water discharge control valve 1504.
Being reached by water-saving circulating system for household water-purifying machine provided by the invention determines waste discharge amount according to water quality,
Allow water purifier intelligence it is water-saving.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is changed.Therefore, the invention is not limited in specific implementation modes disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (1)
1. the ultra-filtration element of household water-purifying machine from purging method, it is characterised in that：It is described from purging method include multigroup ultrafiltration
Membrane module and filter housing for encapsulating the hyperfiltration membrane assembly；The side space of the hyperfiltration membrane assembly forms water purifying chamber, described
The other side space of hyperfiltration membrane assembly forms waste water room；Hyperfiltration membrane assembly described in every group is connected to a raw water tubes, a waste pipe
With a pure water pipe；The raw water tubes and waste pipe are connected to the waste water room respectively, and the pure water pipe connects with the water purifying chamber
It is logical；Multiple raw water tubes cross connection, and each raw water tubes are respectively equipped with raw water control valve before crossing；Multiple waste pipes cross
Connection, and each waste pipe is respectively equipped with waste water control valve before crossing；Multiple pure water pipes cross connection；By selecting to control
The switch of raw water control valve, waste water control valve realizes filtering or pre-washing function of the ultra-filtration element from rinse-system；
Multigroup filter membrane component is packaged in a filter housing, and demarcation strip is equipped in the filter housing, and the demarcation strip divides the filter housing
Multiple separate spaces are divided into, hyperfiltration membrane assembly described in every group is set to a separate space；It is more in the filter housing and filter housing
Group hyperfiltration membrane assembly and demarcation strip form a filter core；
One end of the water purifying chamber is closed, and the other end is equipped with water purification interface, and one end of the waste water room is equipped with raw water interface, another
End offers waste water interface, and the pure water pipe is connected to by the water purification interface with the water purifying chamber, and the waste water room passes through institute
It states raw water interface to be connected to the raw water tubes, the waste water room is connected to by the waste water interface with the waste pipe；
It the described method comprises the following steps：
Step 1: a hyperfiltration membrane assembly to be rinsed is selected, and one or more hyperfiltration membrane assemblies to work；
Step 2: closing the raw water control valve of the hyperfiltration membrane assembly to be rinsed, the hyperfiltration membrane assembly of work is simultaneously closed off
Waste water control valve；
Step 3: opening the raw water control valve of the hyperfiltration membrane assembly of work, and open the waste water of hyperfiltration membrane assembly to be rinsed
Control valve；
Step 4: being carried out to hyperfiltration membrane assembly to be rinsed according to the time of setting or the pressure difference of setting or the flow of setting point
Backwash.
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| CN201511031377.4A CN105502579B (en) | 2015-07-21 | 2015-12-30 | The ultra-filtration element of household water-purifying machine from rinse-system, from purging method and household water-purifying machine |
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| CN201510431066 | 2015-07-21 | ||
| CN2015104310660 | 2015-07-21 | ||
| CN2015109376912 | 2015-12-15 | ||
| CN201510937691 | 2015-12-15 | ||
| CN201511031377.4A CN105502579B (en) | 2015-07-21 | 2015-12-30 | The ultra-filtration element of household water-purifying machine from rinse-system, from purging method and household water-purifying machine |
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| CN201521142432.2U Active CN205367819U (en) | 2015-07-21 | 2015-12-30 | Ultrafiltration filter of domestic purifier is from rinse -system and domestic purifier |
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| CN105502579B (en) * | 2015-07-21 | 2018-07-24 | 佛山尚之水净水科技有限公司 | The ultra-filtration element of household water-purifying machine from rinse-system, from purging method and household water-purifying machine |
| CN106379962B (en) * | 2016-11-07 | 2019-08-02 | 浙江光跃环保科技股份有限公司 | The water-saving water purification system of reverse osmosis water purification machine |
| CN108249522A (en) * | 2018-03-27 | 2018-07-06 | 中山市柠檬环境科技有限公司 | A kind of ultra-filtration water purifier with backwashing function |
| KR102417427B1 (en) * | 2018-06-15 | 2022-07-07 | 코웨이 주식회사 | Direct water purifier |
| CN111921382A (en) * | 2019-05-13 | 2020-11-13 | 杜宁峻 | Remote switching method for pre-filter liner filtering and back-flushing channel of water purifier |
| CN109987734A (en) * | 2019-05-22 | 2019-07-09 | 世保康环境电器(南京)有限公司 | The micro- concentrated water collecting and filtering apparatus of full film |
| CN111925032B (en) * | 2020-08-06 | 2022-08-26 | 广东蓝鸥净水设备制造有限公司 | Water tank-free mutual-flushing water purification equipment and ultrafiltration membrane mutual-flushing control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201308815Y (en) * | 2008-11-12 | 2009-09-16 | 东莞市沃杰森水处理科技有限公司 | Wastewater ultra-filtration treatment device |
| CN205367819U (en) * | 2015-07-21 | 2016-07-06 | 佛山尚之水净水科技有限公司 | Ultrafiltration filter of domestic purifier is from rinse -system and domestic purifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2463386Y (en) * | 2000-12-30 | 2001-12-05 | 中国核工业建峰化工总厂新型塑料制品厂 | Self-flushing multi-stage filtering water purifier |
| US7172699B1 (en) * | 2004-10-13 | 2007-02-06 | Eimco Water Technologies Llc | Energy efficient wastewater treatment for nitrogen and phosphorus removal |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201308815Y (en) * | 2008-11-12 | 2009-09-16 | 东莞市沃杰森水处理科技有限公司 | Wastewater ultra-filtration treatment device |
| CN205367819U (en) * | 2015-07-21 | 2016-07-06 | 佛山尚之水净水科技有限公司 | Ultrafiltration filter of domestic purifier is from rinse -system and domestic purifier |
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| CN205367819U (en) | 2016-07-06 |
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