CN105502579A - Ultrafiltration cartridge self-flushing system for domestic water purifier, self-flushing method and domestic water purifier - Google Patents
Ultrafiltration cartridge self-flushing system for domestic water purifier, self-flushing method and domestic water purifier Download PDFInfo
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- CN105502579A CN105502579A CN201511031377.4A CN201511031377A CN105502579A CN 105502579 A CN105502579 A CN 105502579A CN 201511031377 A CN201511031377 A CN 201511031377A CN 105502579 A CN105502579 A CN 105502579A
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- water
- pipe
- waste
- hyperfiltration membrane
- membrane assembly
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 291
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 109
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 12
- 239000012528 membrane Substances 0.000 claims abstract description 141
- 239000002351 wastewater Substances 0.000 claims abstract description 91
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 239000002699 waste material Substances 0.000 claims description 58
- 238000001223 reverse osmosis Methods 0.000 claims description 23
- 238000000746 purification Methods 0.000 claims description 22
- 239000008399 tap water Substances 0.000 claims description 12
- 235000020679 tap water Nutrition 0.000 claims description 12
- 238000001728 nano-filtration Methods 0.000 claims description 10
- 230000004308 accommodation Effects 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 241000876443 Varanus salvator Species 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- 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 invention provides an ultrafiltration cartridge self-flushing system for a domestic water purifier, which comprises a plurality of ultrafiltration membrane assemblies and a filter shell for packaging the ultrafiltration membrane assemblies, wherein a pure water chamber is formed in the space on one side of the ultrafiltration membrane assemblies, and a wastewater chamber is formed in the space on the other side of the ultrafiltration membrane assemblies; each ultrafiltration membrane assembly is communicated with a raw water pipe, a wastewater pipe and a pure water pipe; the raw water pipe and wastewater pipe are respectively communicated with the wastewater chamber; the pure water pipe is communicated with the pure water chamber; the plurality of raw water pipes converge and are communicated with each other; each raw water pipe is respectively provided with a raw water control valve before convergence; the plurality of wastewater pipes converge and are communicated with each other; each wastewater pipe is respectively provided with a wastewater control valve before convergence; and the plurality of pure water pipes converge and are communicated with each other. The ultrafiltration cartridge self-flushing system provided by the invention implements the efficient flushing effect by selecting the control valves. The invention also provides a domestic water purifier with efficient flushing effect. The ultrafiltration cartridge has long service life, and can implement intelligent water saving by using a water-saving circulating system.
Description
Technical field
The present invention relates to water purifying plant, particularly relate to the ultra-filtration element of household water-purifying machine and household water-purifying machine thereof from rinse-system.
Background technology
Ultra-filtration technique plays more and more important effect in fields such as in-line coagulation, drinking water treatment, Treated sewage reusing.At present, ultra-filtration element is typically provided with in household water-purifying machine, ultra-filtration element take ultra-filtration membrane as filtration medium, ultrafiltration membrane surface is covered with micropore, micropore size is generally 0.001 ~ 0.02 micron, former water through ultrafiltration membrance filter, the small organic molecule that ultra-filtration membrane only allows water molecules in solution, inorganic salt and diameter to be less than micropore size through, and retained by the macromolecular substance such as the suspended substance in solution, colloid, protein and microorganism, thus reach purification and the object be separated.Ultra-filtration membrane is after filtering after a while, and the surface of ultra-filtration membrane have accumulated the pollution substance such as mud, bacterium, and filtration resistance increases, and producing water ratio reduces greatly, causes filter core to need to change continually.Because the tap water quality of some areas is poor, sometimes only producing 1 ton of water will more renew cartridge, not environmentally and cost is high.
Prior art also has by back flushing, is washed down by the dirt that ultrafiltration membrane surface remains, to recover the strainability of ultra-filtration membrane.But because backwash process needs to provide larger pressure difference, prior art needs to use pressure pot or pump to provide the pressure difference needed for back flushing, and cause rinse-system complicated, cost is high.
Because people generally wish household water-purifying machine miniaturization, simple operation, the filter core of water-purifying machine can life-time service and do not affect its performance, and therefore, the ultra-filtration element how realizing making household water-purifying machine have simple and effective household water-purifying machine is technical problem urgently to be resolved hurrily in the industry from rinse-system.
Summary of the invention
The present invention is directed to the above problem existed in prior art, a kind of household water-purifying machine is provided, this household water-purifying machine comprises multiple hyperfiltration membrane assembly, purifying waste water of adopting part hyperfiltration membrane assembly in multiple hyperfiltration membrane assembly to produce carries out back flushing to hyperfiltration membrane assembly to be rinsed, the rinse-system structure of this household water-purifying machine is simple, high-efficiency rinsing can be realized, the long service life of ultra-filtration element.
To achieve these goals, the present invention adopts following technical scheme:
The ultra-filtration element of household water-purifying machine, from a rinse-system, comprises many group hyperfiltration membrane assemblies and the filter housing for encapsulating described hyperfiltration membrane assembly; The space, side of described hyperfiltration membrane assembly forms water purifying chamber, and the opposite side space of described hyperfiltration membrane assembly forms waste water room; Often organize described hyperfiltration membrane assembly and be communicated with a raw water tubes, a waste pipe and a pure water pipe; Described raw water tubes and waste pipe are communicated with described waste water room respectively, and described pure water pipe is communicated with described water purifying chamber; Multiple raw water tubes crosses connection, and each raw water tubes is respectively equipped with former water control valve before crossing; Multiple waste pipe crosses connection, and each waste pipe is respectively equipped with waste water by-pass valve control before crossing; Multiple pure water pipe crosses connection; By selecting to control the switch of former water control valve, waste water by-pass valve control and water purification by-pass valve control, realize ultra-filtration element from the filtration of rinse-system or pre-washing function.
In one embodiment of the invention, many group filter membrane components are packaged in a filter housing, and be provided with division plate in described filter housing, described filter housing is separated into multiple separate space by described division plate, often organizes described hyperfiltration membrane assembly and is arranged at a separate space; Many groups hyperfiltration membrane assembly in described filter housing and filter housing and division plate form a filter core.
In one embodiment of the invention, often organize described hyperfiltration membrane assembly and be packaged in a filter housing, form an independently filter core.
In one embodiment of the invention, also comprise controller, described controller is connected respectively by signal with described former water control valve, waste water by-pass valve control, and described former water control valve, waste water by-pass valve control are magnetic valve or motorized valve.
In one embodiment of the invention, one end of described water purifying chamber is closed, the other end is provided with water purification interface, one end of described waste water room is provided with former water interface, the other end offers waste water interface, described pure water pipe is communicated with described water purifying chamber by described water purification interface, and described waste water room is communicated with described raw water tubes by described former water interface, and described waste water room is communicated with described waste pipe by described waste water interface.
In one embodiment of the invention, described former water interface and described waste water interface are set to same water inlet, and described waste water room is connected with described raw water tubes and described waste pipe by described water inlet.
In one embodiment of the invention, described waste pipe is located between described water inlet and described former water control valve with the position that is communicated with of described raw water tubes.
In one embodiment of the invention, described raw water tubes is provided with pressure maintaining valve, prevents ultra-filtration membrane from being crushed.
Present invention also offers the ultra-filtration element of above household water-purifying machine from purging method, comprise the following steps:
Step one, a selected hyperfiltration membrane assembly to be rinsed, and the hyperfiltration membrane assembly of one or more work;
Step 2, close the former water control valve of this hyperfiltration membrane assembly to be rinsed, close the waste water by-pass valve control of the hyperfiltration membrane assembly of work simultaneously;
Step 3, open the former water control valve of the hyperfiltration membrane assembly of work, and open the waste water by-pass valve control of ultrafiltration hyperfiltration membrane assembly to be rinsed;
Step 4, according to time of setting or the pressure difference of setting or the flow of setting, back flushing is carried out to hyperfiltration membrane assembly to be rinsed.
Particularly, in step 4, according to water quality situation, setting certain time interval carries out back flushing to hyperfiltration membrane assembly to be rinsed.
Particularly, in step 4, when flow reduces certain value or pressure difference becomes large certain value, back flushing is carried out to hyperfiltration membrane assembly to be rinsed.
The ultra-filtration element of described household water-purifying machine from purging method, further comprising the steps of:
Open former water control valve and the waste water by-pass valve control of hyperfiltration membrane assembly simultaneously, realize just rinsing hyperfiltration membrane assembly.
Present invention also offers a kind of household water-purifying machine, comprise cabinet, be provided with the ultra-filtration element of above-mentioned household water-purifying machine in cabinet from rinse-system.
In one embodiment of the invention, described cabinet is provided with panel, and sliding in described cabinet is provided with tray drawn along axis type assembly, when described tray drawn along axis type assembly pulls out in cabinet, is formed to hang be connected with cabinet; The below of described tray drawn along axis type assembly is provided with vertical fixing plate, vertical fixing plate just facing to described panel, the back side of described vertical fixing plate and the inwall of described cabinet form accommodation space, and the ultra-filtration element of described household water-purifying machine is installed on this spatial accommodation from rinse-system.
In one embodiment of the invention, be also provided with water-saving circulating system in described cabinet, described water-saving circulating system comprises reverse osmosis filter core or nanofiltration filter core, and reverse osmosis filter core or nanofiltration filter core connect water producing pipe, dense water pipe and water inlet pipe; Be provided with return line between described dense water pipe and water inlet pipe, described water inlet pipe is provided with water quality sensor and topping-up pump, and described dense water pipe is provided with washing control valve, described return line is provided with waste water ratio control valve and check valve; Described water inlet pipe is communicated with described pure water pipe, and described dense water pipe converges with described waste pipe and is communicated with, described water producing pipe output tap water.
Beneficial effect: household water-purifying machine provided by the invention passes through the ultra-filtration element of the simple ultrafiltration household water-purifying machine of structure from rinse-system, achieve efficient developing result, the long service life of ultra-filtration element, can not scrap because of attachment mud, bacterium or macromolecular substance.Prove through test, the ultra-filtration element of household water-purifying machine provided by the invention is when rinse-system uses two 8 cun of ultra-filtration elements, and total water production rate reaches 200 ton hours, and producing discharge is still initially produce 75% of water flow value.The home-use moon in water 2.5 tons of water, with 5 years, can reach long-acting and effect that is environmental protection.If purify waste water only for washing dish, cook, the moon with 1 ton, then can use more than 10 years.The ultra-filtration element of household water-purifying machine provided by the invention simple to operate from purging method.Also being achieved can be determined waste discharge amount according to water quality by water-saving circulating system of household water-purifying machine provided by the invention, allows the water saving of water-purifying machine intelligence.
Accompanying drawing explanation
Fig. 1 is the first embodiment schematic diagram of ultra-filtration element from rinse-system of household water-purifying machine provided by the invention;
Fig. 2 is the second embodiment schematic diagram of ultra-filtration element from rinse-system of household water-purifying machine provided by the invention;
Fig. 3 is the three embodiment schematic diagram of ultra-filtration element from rinse-system of household water-purifying machine provided by the invention;
Fig. 4 is the four embodiment schematic diagram of ultra-filtration element from rinse-system of household water-purifying machine provided by the invention;
Fig. 5 is the five embodiment schematic diagram of ultra-filtration element from rinse-system of household water-purifying machine provided by the invention;
Fig. 6 is the one-piece construction schematic diagram of household water-purifying machine provided by the invention;
Fig. 7 is that the tray drawn along axis type assembly of household water-purifying machine provided by the invention pushes cabinet view;
Fig. 8 is the tray drawn along axis type assembly 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.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
The ultra-filtration element of household water-purifying machine provided by the invention comprises from rinse-system organizes hyperfiltration membrane assembly more, the space, side often organizing hyperfiltration membrane assembly forms water purifying chamber, opposite side space forms waste water room, and water purifying chamber is communicated with pure water pipe b, and waste water room is communicated with waste pipe c and raw water tubes a.The ultra-filtration element of this household water-purifying machine is when rinse-system filters, tap water or primary purifying water is passed into from raw water tubes a, tap water or primary purifying water enter waste water room and enter water purifying chamber after hyperfiltration membrane assembly filter, purifying waste water from pure water pipe b of water purifying chamber is flowed out, and the waste water of waste water room flows out from waste pipe c.Multiple raw water tubes a crosses connection, and each raw water tubes a is respectively equipped with former water control valve before crossing and between filter membrane component; Multiple waste pipe c crosses connection, and each waste pipe c is respectively equipped with waste water by-pass valve control before crossing; Multiple pure water pipe b crosses connection, and each pure water pipe b is provided with a water purification by-pass valve control after crossing.The ultra-filtration element of this household water-purifying machine can realize just rinsing and backwashing function by selecting the break-make controlling former water control valve, waste water by-pass valve control and water purification by-pass valve control from rinse-system, and complete high-efficiency rinsing by square impact and recoil, do not need to use middle tank or pressure pot, filter core is made to have long service life, without the need to frequent more renew cartridge.
Present invention also offers the ultra-filtration element of above household water-purifying machine from purging method, comprise the following steps:
Step one, a selected hyperfiltration membrane assembly to be rinsed, and the hyperfiltration membrane assembly of one or more work;
Step 2, close the former water control valve of this hyperfiltration membrane assembly to be rinsed, close the waste water by-pass valve control of the hyperfiltration membrane assembly of work simultaneously;
Step 3, open the former water control valve of the hyperfiltration membrane assembly of work, and open the waste water by-pass valve control of ultrafiltration hyperfiltration membrane assembly to be rinsed;
Step 4, according to time of setting or the pressure difference of setting or the flow of setting, back flushing is carried out to hyperfiltration membrane assembly to be rinsed.
Particularly, in step 4, according to water quality situation, setting certain time interval carries out back flushing to hyperfiltration membrane assembly to be rinsed.
Particularly, in step 4, when flow reduces certain value or pressure difference becomes large certain value, back flushing is carried out to hyperfiltration membrane assembly to be rinsed.
The ultra-filtration element of described household water-purifying machine from purging method, further comprising the steps of:
Open former water control valve and the waste water by-pass valve control of hyperfiltration membrane assembly simultaneously, realize just rinsing hyperfiltration membrane assembly.
Prove through test, the ultra-filtration element of household water-purifying machine provided by the invention is when rinse-system uses two 8 cun of ultra-filtration elements, and total water production rate reaches 200 ton hours, and producing discharge is still initially produce 75% of water flow value.The home-use moon in water 2.5 tons of water, with 5 years, can reach long-acting and effect that is environmental protection.If purify waste water only for washing dish, cook, the moon with 1 ton, then can use more than 10 years.
The ultra-filtration element of household water-purifying machine is from the first embodiment of rinse-system:
Fig. 1 is the schematic diagram of ultra-filtration element from rinse-system first embodiment of household water-purifying machine provided by the invention, and the present embodiment is for two groups of hyperfiltration membrane assemblies, and two groups of hyperfiltration membrane assemblies are respectively the first hyperfiltration membrane assembly 101 and the second hyperfiltration membrane assembly 102.First hyperfiltration membrane assembly 101 comprises three waterpipe jointings, connect the first raw water tubes a1, the first waste pipe c1 and the first pure water pipe b1 respectively, second hyperfiltration membrane assembly 102 comprises three waterpipe jointings equally, connects the second raw water tubes a2, the second waste pipe c2 and the second pure water pipe b2 respectively.First raw water tubes a1 crosses with the second raw water tubes a2 and is communicated with, and the first raw water tubes a1 and the second raw water tubes a2 is respectively equipped with the first former water control valve 201 and the second former water control valve 202 before crossing.First waste pipe c1 crosses with the second waste pipe c2 and is communicated with, and the first waste pipe c1 and the second waste pipe c2 is provided with the first waste water by-pass valve control 301 and the second waste water by-pass valve control 302 before crossing.First pure water pipe b1 crosses with the second pure water pipe b2 and is communicated with, and the first pure water pipe b1 and the second pure water pipe b2 is provided with a water purification by-pass valve control 501 after crossing.It should be noted that, due to the first pure water pipe b1 cross with the second pure water pipe b2 after usually can be communicated with other filtration unit, therefore water purification by-pass valve control 501 non-essential, as long as any one after pure water pipe crosses is provided with valve maybe can produce kickback pressure.
When first former water control valve 201, first waste water by-pass valve control 301, second former water control valve 202, the second waste water by-pass valve control 302 of the ultra-filtration element opening household water-purifying machine in rinse-system and water purification by-pass valve control 501, tap water or primary purifying water enter waste water room from raw water tubes a, the rubbish that ultra-filtration membrane adheres to is rinsed, and discharge from waste pipe c, realize just rinsing ultra-filtration element while product water.
When back flushing is carried out to first hyperfiltration membrane assembly 101 of ultra-filtration element in rinse-system of the household water-purifying machine of the present embodiment, open the first waste water by-pass valve control 301 and the second former water control valve 202, and close the first former water control valve 201, second waste water by-pass valve control 302 and water purification by-pass valve control 501.Tap water or primary purifying current are through water purifying chamber, the water purifying chamber entering another hyperfiltration membrane assembly is again flowed out by purifying waste water from pure water pipe b after ultrafiltration membrance filter, enter waste water room from water purifying chamber again, the rubbish that ultra-filtration membrane adheres to is carried out back flushing, and is discharged by waste pipe c.In like manner, when back flushing is carried out to second hyperfiltration membrane assembly 102 of ultra-filtration element in rinse-system of the household water-purifying machine of the present embodiment, open the second waste water by-pass valve control 302 and the first former water control valve 201, and close the second former water control valve 202, first waste water by-pass valve control 301 and water purification by-pass valve control 501.It should be noted that, the hyperfiltration membrane assembly in the present embodiment is at least two groups, but is not limited to two groups.
The ultra-filtration element of household water-purifying machine is from the second embodiment of rinse-system:
Fig. 2 is the schematic diagram of ultra-filtration element from rinse-system second embodiment of household water-purifying machine provided by the invention, the present embodiment is for three groups of hyperfiltration membrane assemblies, and three groups of hyperfiltration membrane assemblies in the present embodiment are the first hyperfiltration membrane assembly 101, second hyperfiltration membrane assembly 102 and the 3rd hyperfiltration membrane assembly 103.First hyperfiltration membrane assembly 101, second hyperfiltration membrane assembly 102 and the 3rd hyperfiltration membrane assembly 103 include two waterpipe jointings, and one of them waterpipe jointing connects raw water tubes a and waste pipe c, and another waterpipe jointing connects pure water pipe b.Three raw water tubes a cross connection, and three raw water tubes a are respectively equipped with the first former water control valve 202 of former water control valve 201, second and the 3rd former water control valve 203 before crossing.Three waste pipe c cross connection, and three each waste pipe c are provided with the first waste water by-pass valve control 301, second waste water by-pass valve control 302 and three wastes water control valve 303 before crossing.Three pure water pipe b cross connection.In the present embodiment, the raw water tubes a of same hyperfiltration membrane assembly is connected same waterpipe jointing with waste pipe c, namely raw water tubes a is communicated with waste pipe c, being communicated with position is located between waterpipe jointing and former water control valve, therefore, this waterpipe jointing can only be selected to be communicated with in raw water tubes or waste pipe, and the hyperfiltration membrane assembly in the present embodiment can only carry out back flushing.
When back flushing is carried out to first hyperfiltration membrane assembly 101 of ultra-filtration element in rinse-system of the household water-purifying machine of the present embodiment, open the first waste water by-pass valve control 301, and open the second former water control valve 202 and/or the 3rd former water control valve 203, and close the first former water control valve 201, second waste water by-pass valve control 302, three wastes water control valve 303 and water purification by-pass valve control 501.Tap water or primary purifying current are through water purifying chamber, the water purifying chamber entering another hyperfiltration membrane assembly is again flowed out by purifying waste water from pure water pipe b after ultrafiltration membrance filter, enter waste water room from water purifying chamber again, the rubbish that ultra-filtration membrane adheres to is carried out back flushing, and is discharged by waste pipe c.In like manner, when back flushing is carried out to second hyperfiltration membrane assembly 202 of ultra-filtration element in rinse-system of the household water-purifying machine of the present embodiment, open the second waste water by-pass valve control 302, and open the first former water control valve 201 and/or the 3rd former water control valve 203, and close the second former water control valve 202, first waste water by-pass valve control 301, three wastes water control valve 303 and water purification by-pass valve control 501.It should be noted that, the hyperfiltration membrane assembly in the present embodiment is three groups, is understandable that hyperfiltration membrane assembly can be two groups, more than three groups or three groups.
The ultra-filtration element of household water-purifying machine is from the 3rd embodiment of rinse-system:
Fig. 3 is the schematic diagram of ultra-filtration element from rinse-system the 3rd embodiment of household water-purifying machine provided by the invention, and the present embodiment is for two groups of hyperfiltration membrane assemblies, and 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 them waterpipe jointing connects raw water tubes a and waste pipe c, and another waterpipe jointing connects pure water pipe b.Raw water tubes a is connected by three-way valve with waste pipe c, 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 the second three-way valve 702, first three-way valve 701 and the second three-way valve 702 are arranged at before two raw water tubes a cross respectively, and are arranged at before two waste pipe c cross.Two pure water pipe b cross connection, and two pure water pipe b are provided with a water purification by-pass valve control 501 after crossing.In the present embodiment, the raw water tubes a of same hyperfiltration membrane assembly is connected same waterpipe jointing with waste pipe c, and raw water tubes a is communicated with by three-way valve with waste pipe c.Hyperfiltration membrane assembly in the present embodiment can only carry out back flushing.
When back flushing is carried out to the first hyperfiltration membrane assembly 101 in rinse-system of the ultra-filtration element of the household water-purifying machine of the present embodiment or the second hyperfiltration membrane assembly 102, substantially identical with the step of the second embodiment, difference is that raw water tubes a is communicated with waste pipe c by three-way valve by the 3rd embodiment, and instead of former water control valve and waste water by-pass valve control by three-way valve.It should be noted that, the hyperfiltration membrane assembly in the present embodiment is at least two groups, but is not limited to two groups.
Above, often organize hyperfiltration membrane assembly and be packaged in a filter housing in the first embodiment to the 3rd embodiment, form an independently filter core, therefore, the first embodiment is all at least provided with two ultra-filtration elements to the 3rd embodiment.
The ultra-filtration element of household water-purifying machine is from the 4th embodiment of rinse-system:
Fig. 4 is the schematic diagram of ultra-filtration element from rinse-system the 4th embodiment of household water-purifying machine provided by the invention, the present embodiment comprises the 4th hyperfiltration membrane assembly 401 and the 5th hyperfiltration membrane assembly 402,4th hyperfiltration membrane assembly 401 and the 5th hyperfiltration membrane assembly 402 are packaged in a filter housing, division plate is provided with in filter housing, filter housing is separated into two separate space by division plate, often organize hyperfiltration membrane assembly and be arranged at a separate space, two groups of hyperfiltration membrane assemblies in filter housing and filter housing and division plate form a filter core.Filter core comprises four waterpipe jointings, wherein the 4th hyperfiltration membrane assembly 401 and the 5th hyperfiltration membrane assembly 402 are provided with two waterpipe jointings, one of them waterpipe jointing is for connecting raw water tubes a and waste pipe c, another waterpipe jointing is for connecting pure water pipe b, two raw water tubes a are in the connection that crosses, two waste pipe c cross connection, and two pure water pipe b cross connection.Particularly, the raw water tubes a be communicated with the 4th hyperfiltration membrane assembly 401 is provided with the 4th former water control valve 601 before crossing, and the waste pipe c be communicated with the 4th hyperfiltration membrane assembly 401 is provided with the 4th waste water by-pass valve control 801 before crossing; The raw water tubes a be communicated with the 5th hyperfiltration membrane assembly 402 is provided with Wuyuan water control valve 602 before crossing, and the waste pipe c be communicated with the 5th hyperfiltration membrane assembly 402 is provided with the 5th waste water by-pass valve control 802 before crossing; A water purification by-pass valve control 501 is provided with after the pure water pipe b be communicated with the 5th hyperfiltration membrane assembly 402 with the 4th hyperfiltration membrane assembly 401 crosses.
When back flushing is carried out to four hyperfiltration membrane assembly 401 of ultra-filtration element in rinse-system of the household water-purifying machine of the present embodiment, open the 4th waste water by-pass valve control 801, and open Wuyuan water control valve 602, and close the 4th former water control valve 601, the 5th waste water by-pass valve control 802 and water purification by-pass valve control 501.In like manner, when back flushing is carried out to five hyperfiltration membrane assembly 402 of ultra-filtration element in rinse-system of the household water-purifying machine of the present embodiment, open the 5th waste water by-pass valve control 802, and open the 4th former water control valve 601, and close Wuyuan water control valve the 602, the 4th waste water by-pass valve control 801 and water purification by-pass valve control 501.In backwash process, tap water or primary purifying water enter water purifying chamber from the waste water room of one of them hyperfiltration membrane assembly, the water purifying chamber entering hyperfiltration membrane assembly to be rinsed is again flowed out by purifying waste water from pure water pipe b after ultrafiltration membrance filter, waste water room is entered again from the water purifying chamber of hyperfiltration membrane assembly to be rinsed, the rubbish that ultra-filtration membrane adheres to is carried out back flushing, and is discharged by waste pipe c.It should be noted that, the hyperfiltration membrane assembly in the present embodiment is at least two groups, but is not limited to two groups.
The ultra-filtration element of household water-purifying machine is from the 5th embodiment of rinse-system:
As shown in Figure 5, the ultra-filtration element of the household water-purifying machine of the present embodiment is substantially identical with the 4th embodiment from rinse-system, difference is that raw water tubes a is connected by three-way valve with waste pipe c, the three-way valve be connected with the 4th hyperfiltration membrane assembly 401 and the 5th hyperfiltration membrane assembly 402 is respectively the 4th three-way valve 901 and the 5th three-way valve 902,4th three-way valve 901 and the 5th three-way valve 902 are arranged at before two raw water tubes a cross respectively, and are arranged at before two waste pipe c cross.Two pure water pipe b cross connection, and two pure water pipe b are provided with a water purification by-pass valve control 501 after crossing.In the present embodiment, the raw water tubes a of same hyperfiltration membrane assembly is connected same waterpipe jointing with waste pipe c, and raw water tubes a is communicated with by three-way valve with waste pipe c.Hyperfiltration membrane assembly in the present embodiment can only carry out back flushing.
When back flushing is carried out to the 4th hyperfiltration membrane assembly 401 in rinse-system of the ultra-filtration element of the household water-purifying machine of the present embodiment or the 5th hyperfiltration membrane assembly 402, substantially identical with the step of the 4th embodiment, difference is that raw water tubes a is communicated with waste pipe c by three-way valve by the 5th embodiment, and instead of former water control valve and waste water by-pass valve control by three-way valve.
Above first embodiment also comprises controller to the ultra-filtration element of the household water-purifying machine in the 5th embodiment from rinse-system, and controller is connected respectively with former water control valve, waste water by-pass valve control and water purification by-pass valve control.Former water control valve, waste water by-pass valve control and water purification by-pass valve control are magnetic valve or motorized valve.
In above first embodiment to the 5th embodiment, the ultra-filtration element of household water-purifying machine can independent operating from rinse-system, also can be arranged in the cabinet of any one water-purifying machine.
In above first embodiment to the 5th embodiment, the ultra-filtration element of household water-purifying machine can arrange pressure maintaining valve at raw water tubes further from rinse-system, is crushed to prevent ultra-filtration membrane.
The ultra-filtration element of household water-purifying machine provided by the invention, from rinse-system with from purging method, is also applicable to ceramic element or stainless steel filter core.
Present invention also offers a kind of household water-purifying machine, this household water-purifying machine can embed inside cabinet, and the panel of cabinet coordinates with cabinet.Be provided with accommodation space in cabinet, the first embodiment is installed on this accommodation space to the ultra-filtration element of the household water-purifying machine in the 5th embodiment from rinse-system.Household water-purifying machine provided by the invention takes full advantage of design space, does not take additional space, and the ultra-filtration element being provided with simple household water-purifying machine is efficiently from rinse-system, saves middle tank, and makes filter core have long service life.
Consult Fig. 6 ~ Fig. 8, household water-purifying machine provided by the invention comprises cabinet 10, and cabinet 10 is provided with the panel 11 coordinated with cabinet, is provided with tray drawn along axis type assembly 12 and ultra-filtration element from rinse-system in cabinet 10.Wherein ultra-filtration element is selected from the ultra-filtration element of the household water-purifying machine in above first embodiment to the 5th embodiment in any embodiment from rinse-system from rinse-system.Tray drawn along axis type assembly 12 slides and is arranged at the top of close cabinet 10, and tray drawn along axis type assembly 12 can pull out in cabinet 10, is formed to hang to be connected with cabinet 10.Tray drawn along axis type assembly 12 is for carrying active carbon filter core.
The vertical fixing plate 13 for installing ultra-filtration element and reverse osmosis filter core is provided with below tray drawn along axis type assembly 12, vertical fixing plate 13 just facing to panel 11, the back side of vertical fixing plate 13 and the inwall of cabinet 10 form accommodation space 14, and ultra-filtration element is installed on this spatial accommodation 14 from rinse-system.Tray drawn along axis type assembly 12 pull-out, when rinse-system is installed, can hang on cabinet 10, to vacate larger space, make installation easy to operate by ultra-filtration element.
Household water-purifying machine provided by the invention also can arrange water-saving circulating system in cabinet 10.Fig. 9 is the schematic diagram of water-saving circulating system first embodiment provided by the invention, and this water-saving circulating system comprises reverse osmosis filter core or nanofiltration filter core 1104, and reverse osmosis filter core or nanofiltration filter core 1104 connect water inlet pipe d, water producing pipe e and dense water pipe f.This water-saving circulating system is communicated with from rinse-system with above-mentioned ultra-filtration element, pure water pipe b is communicated with water inlet pipe d, water inlet pipe d is provided with preposition activated charcoal filter core 1102, feed water by reverse osmosis water quality sensor 1601 and topping-up pump 1103, and the water inlet pipe d in raw water tubes a or water-saving circulating system is also provided with low pressure sensor 1201.Waste pipe c crosses with dense water pipe f and is communicated with, and waste pipe c is provided with ultra-filtration element flush valve 1501 before crossing, and dense water pipe f is provided with reverse osmosis filter core flush valve 1503 before crossing.The water producing pipe e of water-saving circulating system is connected with tap water interface.Be provided with return line g between dense water pipe f and water inlet pipe d, return line g be provided with backflow waste water ratio valve 1701 and the first check valve 1301.Water producing pipe e is provided with the second check valve 1302, reverse osmosis produced water water monitor 1602, high pressure sensor 1205 and rearmounted filter core 1105, and rearmounted filter core is selected from one or more series connection in gac, rearmounted medical stone, UV lamp.Wherein low pressure sensor 1201, high pressure sensor 1205, feed water by reverse osmosis water quality sensor 1601, reverse osmosis produced water water monitor 1602, topping-up pump 1103, backflow waste water ratio valve 1701, first check valve 1301, second check valve 1302, ultra-filtration element flush valve 1501 are connected with pilot circuit signal respectively with reverse osmosis filter core flush valve 1503.
When feed water by reverse osmosis water quality sensor 1601 shows water quality conformance with standard, close ultra-filtration element flush valve 1501 and reverse osmosis filter core flush valve 1503, open water saving circulating pattern: former current purifying waste water from pure water pipe b after hyperfiltration membrane assembly 1101 filters is flowed out, pure water pipe b is communicated with water inlet pipe d, water inlet pipe d is provided with preposition activated charcoal filter core 1102 successively along water (flow) direction, feed water by reverse osmosis water quality sensor 1601, topping-up pump 1103 and reverse osmosis filter core or nanofiltration filter core 1104, the waste water of reverse osmosis filter core or nanofiltration filter core 1104 output flows out from dense water pipe f, refluxed by return line g again, successively through backflow waste water ratio valve 1701, first check valve 1301, the waste water room of hyperfiltration membrane assembly 1101 is entered again from waste pipe, again filter.Reverse osmosis filter core or purifying waste water from water producing pipe e of nanofiltration filter core 1104 output are flowed out, successively through the second check valve 1302, thoroughly product water water monitor 1602, high pressure sensor 1205 and rearmounted filter core 1105, rearmounted filter core 1105 connects tap water interface.
The effect of low pressure sensor 1201 is protection topping-up pumps 1103; when low pressure sensor 1201 detects that the hydraulic pressure of raw water tubes is too low, topping-up pump 1103 does not start, and avoids topping-up pump 1103 and sky occurs takes out; damage topping-up pump 1103, and when sky is taken out overheated and produce danger.Certainly this low pressure sensor 1201 also can be arranged on water inlet pipe d or running water pipe.
The effect of high pressure sensor 1205 is whether certainty annuity uses water, when high pressure sensor 1205 detects that the hydraulic pressure of water producing pipe is too high, and system-down.Certainly this high pressure sensor 1205 can be arranged at any position between the second check valve 1302 and tap water interface.
Low pressure sensor 1201 and high pressure sensor 1205 utilizable flow sensor are replaced, and also can use simultaneously.
When feed water by reverse osmosis water quality sensor 1601 show water quality poor time, open ultra-filtration element flush valve 1501 and reverse osmosis filter core flush valve 1503, the dense water that reverse osmosis filter core or nanofiltration filter core 1104 produce can 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, water-saving circulating system in the present embodiment adds four control valves and a water shoot h on the basis of the first embodiment, be specially: the water inlet control valve 1502 arranged on water inlet pipe d, the recycle control valve 1505 that return line g is arranged, water shoot h and dense water pipe f crossed and are communicated with before reverse osmosis filter core flush valve 1503, water shoot h were provided with waste discharge than valve 1702 and concentrated water discharge control valve 1504.
Being reached by water-saving circulating system of household water-purifying machine provided by the invention determines waste discharge amount according to water quality, allows the water saving of water-purifying machine intelligence.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention some modifications and changes of invention.In addition, although employ some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (10)
1. the ultra-filtration element of household water-purifying machine is from rinse-system, it is characterized in that: comprise many group hyperfiltration membrane assemblies and the filter housing for encapsulating described hyperfiltration membrane assembly; The space, side of described hyperfiltration membrane assembly forms water purifying chamber, and the opposite side space of described hyperfiltration membrane assembly forms waste water room; Often organize described hyperfiltration membrane assembly and be communicated with a raw water tubes, a waste pipe and a pure water pipe; Described raw water tubes and waste pipe are communicated with described waste water room respectively, and described pure water pipe is communicated with described water purifying chamber; Multiple raw water tubes crosses connection, and each raw water tubes is respectively equipped with former water control valve before crossing; Multiple waste pipe crosses connection, and each waste pipe is respectively equipped with waste water by-pass valve control before crossing; Multiple pure water pipe crosses connection; By selecting the switch controlling former water control valve, waste water by-pass valve control, realize ultra-filtration element from the filtration of rinse-system or pre-washing function.
2. the ultra-filtration element of household water-purifying machine according to claim 1 is from rinse-system, it is characterized in that: many group filter membrane components are packaged in a filter housing, division plate is provided with in described filter housing, described filter housing is separated into multiple separate space by described division plate, often organizes described hyperfiltration membrane assembly and is arranged at a separate space; Many groups hyperfiltration membrane assembly in described filter housing and filter housing and division plate form a filter core.
3. the ultra-filtration element of household water-purifying machine according to claim 1 is from rinse-system, it is characterized in that: often organize hyperfiltration membrane assembly and be packaged in a filter housing, form an independently filter core.
4. the ultra-filtration element of household water-purifying machine according to claim 1 is from rinse-system, it is characterized in that: also comprise pilot circuit, described pilot circuit divides level signal to be connected with described former water control valve, waste water by-pass valve control, and described former water control valve, waste water by-pass valve control are magnetic valve or motorized valve.
5. the ultra-filtration element of household water-purifying machine according to claim 1 is from rinse-system, it is characterized in that: one end of described water purifying chamber is closed, the other end is provided with water purification interface, one end of described waste water room is provided with former water interface, the other end offers waste water interface, described pure water pipe is communicated with described water purifying chamber by described water purification interface, and described waste water room is communicated with described raw water tubes by described former water interface, and described waste water room is communicated with described waste pipe by described waste water interface.
6. the ultra-filtration element of household water-purifying machine according to claim 1 is from rinse-system, it is characterized in that: described raw water tubes is also provided with pressure maintaining valve.
7. household water-purifying machine ultra-filtration element from purging method, it is characterized in that, comprise the following steps:
Step one, a selected hyperfiltration membrane assembly to be rinsed, and the hyperfiltration membrane assembly of one or more work;
Step 2, close the former water control valve of this hyperfiltration membrane assembly to be rinsed, close the waste water by-pass valve control of the hyperfiltration membrane assembly of work simultaneously;
Step 3, open the former water control valve of the hyperfiltration membrane assembly of work, and open the waste water by-pass valve control of ultrafiltration hyperfiltration membrane assembly to be rinsed;
Step 4, according to time of setting or the pressure difference of setting or the flow point of setting, back flushing is carried out to hyperfiltration membrane assembly to be rinsed.
8. household water-purifying machine, comprises cabinet, it is characterized in that: be provided with the ultra-filtration element of the household water-purifying machine as described in any one of claim 1 ~ 6 in cabinet from rinse-system.
9. household water-purifying machine according to claim 8, is characterized in that: described cabinet is provided with panel, and sliding in described cabinet is provided with tray drawn along axis type assembly, when described tray drawn along axis type assembly pulls out in cabinet, is formed to hang be connected with cabinet; The below of described tray drawn along axis type assembly is provided with vertical fixing plate, vertical fixing plate just facing to described panel, the back side of described vertical fixing plate and the inwall of described cabinet form accommodation space, and the ultra-filtration element of described household water-purifying machine is installed on this spatial accommodation from rinse-system.
10. household water-purifying machine according to claim 8, it is characterized in that: in described cabinet, be also provided with water-saving circulating system, described water-saving circulating system comprises reverse osmosis filter core or nanofiltration filter core, and reverse osmosis filter core or nanofiltration filter core connect water producing pipe, dense water pipe and water inlet pipe; Be provided with return line between described dense water pipe and water inlet pipe, described water inlet pipe is provided with water quality sensor and topping-up pump, and described dense water pipe is provided with washing control valve, described return line is provided with waste water ratio control valve and check valve; Described water inlet pipe is communicated with described pure water pipe, and described dense water pipe converges with described waste pipe and is communicated with, described water producing pipe output tap water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431066 | 2015-07-21 | ||
| CN2015104310660 | 2015-07-21 | ||
| CN201510937691 | 2015-12-15 | ||
| CN2015109376912 | 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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| CN105502579A true CN105502579A (en) | 2016-04-20 |
| CN105502579B CN105502579B (en) | 2018-07-24 |
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| CN201521142432.2U Expired - Fee Related CN205367819U (en) | 2015-07-21 | 2015-12-30 | Ultrafiltration filter of domestic purifier is from rinse -system and domestic purifier |
| CN201511031377.4A Active 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 Expired - Fee Related CN205367819U (en) | 2015-07-21 | 2015-12-30 | Ultrafiltration filter of domestic purifier is from rinse -system and domestic purifier |
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Cited By (10)
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| CN106379962A (en) * | 2016-11-07 | 2017-02-08 | 浙江光跃环保科技股份有限公司 | Water saving and purifying system for 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 |
| 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 |
| 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 |
| CN111925032A (en) * | 2020-08-06 | 2020-11-13 | 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 |
| CN112672807A (en) * | 2018-06-15 | 2021-04-16 | 熊津科唯怡株式会社 | Direct water purifier |
| CN115611326A (en) * | 2019-12-23 | 2023-01-17 | 杜宁峻 | Pipeline layout method for front base of water purifier with front electric control recoil system |
| CN115611329A (en) * | 2019-12-23 | 2023-01-17 | 杜宁峻 | Water purifier with dual channels of pre-filter and filter backwash and remote control method thereof |
| CN115611328A (en) * | 2019-12-23 | 2023-01-17 | 杜宁峻 | Pipeline layout method for front base of water purifier with front electronic control filter recoil system |
| CN115626672A (en) * | 2019-12-23 | 2023-01-20 | 杜宁峻 | Pipeline layout method for front-end machine base of water purifier with front-end electric control filtering backflushing system |
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| 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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| CN106379962A (en) * | 2016-11-07 | 2017-02-08 | 浙江光跃环保科技股份有限公司 | Water saving and purifying system for 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 |
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| US11802062B2 (en) * | 2018-06-15 | 2023-10-31 | Woongjin Coway Co., Ltd. | 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 |
| CN115611326A (en) * | 2019-12-23 | 2023-01-17 | 杜宁峻 | Pipeline layout method for front base of water purifier with front electric control recoil system |
| CN115626672A (en) * | 2019-12-23 | 2023-01-20 | 杜宁峻 | Pipeline layout method for front-end machine base of water purifier with front-end electric control filtering backflushing system |
| CN115611328A (en) * | 2019-12-23 | 2023-01-17 | 杜宁峻 | Pipeline layout method for front base of water purifier with front electronic control filter recoil system |
| CN115611329A (en) * | 2019-12-23 | 2023-01-17 | 杜宁峻 | Water purifier with dual channels of pre-filter and filter backwash and remote control method thereof |
| CN111925032A (en) * | 2020-08-06 | 2020-11-13 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205367819U (en) | 2016-07-06 |
| CN105502579B (en) | 2018-07-24 |
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