CN103835095B - Clothes washing water recycling device, washing method thereof and water-saving clothes washing control method - Google Patents
Clothes washing water recycling device, washing method thereof and water-saving clothes washing control method Download PDFInfo
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- CN103835095B CN103835095B CN201210488704.9A CN201210488704A CN103835095B CN 103835095 B CN103835095 B CN 103835095B CN 201210488704 A CN201210488704 A CN 201210488704A CN 103835095 B CN103835095 B CN 103835095B
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- water
- membrane assembly
- hyperfiltration membrane
- washing
- hyperfiltration
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/10—Filtering arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/42—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/34—Filtering, e.g. control of lint removal devices
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/43—Control of cleaning or disinfection of washing machine parts, e.g. of tubs
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a clothes washing water recycling device, a water-saving clothes washing control method and a washing method of the clothes washing water recycling device. The clothes washing water recycling device comprises a washing cylinder, a circulation water pipeline, a drainage pipeline and an ultrafiltration membrane assembly. The water inlet end of the circulation water pipeline is communicated with a water outlet of the washing cylinder, and the water outlet end of the circulation water pipeline is communicated with a water inlet of the washing cylinder. The ultrafiltration membrane assembly is provided with a water inlet end, a first water outlet end and a second water outlet end. The ultrafiltration membrane assembly is connected to the circulation water pipeline through the water inlet end and the first water outlet end, and a gas conveying device is connected to the water inlet of the ultrafiltration membrane assembly. The circulation water pipeline is further provided with a liquid conveying device, and the drainage pipeline is communicated with the second water outlet end of the ultrafiltration membrane assembly. When much dirt is retained on an ultrafiltration membrane, gas washing is performed on the ultrafiltration membrane, and then water is used for washing. Compared with the manner that only water washing is used, washing water can be saved, and cleaning is better and more thorough.
Description
Technical field
The present invention relates to washing machine, more particularly to a kind of laundry water cycle utilization device and its cleaning method and water saving laundry
Control method.
Background technology
The wash mill of existing washing machine can not recycle the water in laundry processes, also need to carry out after washing many
Secondary rinsing.During each, no matter whether medicated clothing is clean, all needs to re-replace using a large amount of clear water, causes clear water unrestrained in a large number
Take.When washings are carried out purification cycle reuse by using hyperfiltration membrane assembly, on the premise of clean result is not affected, together
When can save a large amount of clear water, waste water discharge-reducing is significant.In prior art, when cleaning to hyperfiltration membrane assembly more adopt
, there is the water yield for using greatly in the mode for washing with water, and the shortcoming that can not be cleaned up.
The content of the invention
First purpose of the present invention is to provide and a kind of can carry out washing for effective cleaning to the ultrafilter membrane in hyperfiltration membrane assembly
Clothing water cycle utilization device.
Second object of the present invention is to provide a kind of laundry using described laundry washer water cycle utilization device
The water saving control method for washing of machine.
Third object of the present invention is to provide a kind of cleaning method of laundry water cycle utilization device.
The laundry washer water cycle utilization device of the present invention, including：Cylindric washer, circulating water line, discharge pipe line and
Hyperfiltration membrane assembly；
The water inlet end of the circulating water line is connected with the outlet of cylindric washer, the water side of the circulating water line and institute
State the water inlet connection of cylindric washer；
The hyperfiltration membrane assembly has water inlet end, the first water side and the second water side, the hyperfiltration membrane assembly pass through into
Water end (W.E.) and the first water side are connected on circulating water line, and the water inlet end in hyperfiltration membrane assembly is connected with air transporting arrangement；
Liquid transporting apparatus are additionally provided with the circulating water line；
The discharge pipe line is connected with the second water side of hyperfiltration membrane assembly.
Water saving control method for washing of the present invention using the washing machine of the laundry water cycle utilization device, including following step
Suddenly：
When the cylindric washer of washing machine is in washing or rinsing mode of operation, opens liquid transporting apparatus and simultaneously control recirculated water
Pipeline is in connected state, to be filtered to the water in the cylindric washer by hyperfiltration membrane assembly in washing or rinse cycle
Process.
The cleaning method of the laundry water cycle utilization device of the present invention, comprises the steps：
Hyperfiltration membrane assembly is passed the gas through, air purge is carried out to the ultrafilter membrane in hyperfiltration membrane assembly, block on ultrafilter membrane with being dispelled
The dirt for cutting.
Beneficial effects of the present invention are as follows：
Laundry water cycle utilization device of the present invention, can due to being provided with hyperfiltration membrane assembly in circulating water line
Washing sewage is filtered, can be washed or be rinsed, while filtering to washings or washings, gone in eliminating water
Dirt, is then back in cylindric washer again, and the concentration of the laundry detergents in washings keeps constant, can effectively improve medicated clothing and wash
Net rate.And air transporting arrangement is provided with, when can retain more dirt on the ultrafilter membrane of hyperfiltration membrane assembly, to ultrafiltration
Film carries out air purge, and shaking loose for the gas conveyed by air transporting arrangement is acted on the dirt stripping film table of ultrafiltration membrane surface
Face, is then rinsed with water again, compared with individually washing with water, can save flushing water, and can clean it is cleaner, thorough
Bottom.
Water saving control method for washing of the present invention using the washing machine of the laundry water cycle utilization device, can be to laundry
Sewage is filtered, and can be washed or be rinsed, while washings or washings are filtered, the dirt gone in eliminating water,
Then it is back in cylindric washer again, and the concentration of the laundry detergents in washings keeps constant, medicated clothing can be effectively improved and clean rate.
The cleaning method of present invention laundry water cycle utilization device, passes the gas through hyperfiltration membrane assembly, to hyperfiltration membrane assembly
In ultrafilter membrane carry out air purge, to dispel the dirt intercepted on ultrafilter membrane.Not only economize on water, and can be by water circulation use of doing washing
Ultrafiltration Membrane cleaning in device it is cleaner, more thoroughly.
Description of the drawings
Structural representations of the Fig. 1 for the laundry washer water cycle utilization device of the embodiment of the present invention two；
Structural representations of the Fig. 2 for the laundry washer water cycle utilization device of the embodiment of the present invention three.
In figure, labelling is illustrated as：The second three-way valve of 1-；2- inner barrel of washing；4- water pumps；5- hyperfiltration membrane assemblies；6- first
Three-way valve；7- drain valves；8- air pumps；Water inlet pipeline of 9-；10- discharge pipe lines；11- hyperfiltration membrane assembly water inlet pipes
Road；12- hyperfiltration membrane assembly outlet pipelines；13- pressure transducers.
Specific embodiment
Embodiment one
The laundry washer water cycle utilization device of the present embodiment, including：Cylindric washer, circulating water line, discharge pipe line with
And hyperfiltration membrane assembly；
The water inlet end of the circulating water line is connected with the outlet of cylindric washer, the water side of the circulating water line and institute
State the water inlet connection of cylindric washer；
The hyperfiltration membrane assembly has water inlet end, the first water side and the second water side, the hyperfiltration membrane assembly pass through into
Water end (W.E.) and the first water side are connected on circulating water line, and the water inlet end in hyperfiltration membrane assembly is connected with air transporting arrangement；
Liquid transporting apparatus are additionally provided with the circulating water line；
The discharge pipe line is connected with the second water side of hyperfiltration membrane assembly.
Described laundry water cycle utilization device, can be to laundry due to being designed with hyperfiltration membrane assembly in circulating water line
Sewage is filtered, and can be washed or be rinsed, while washings or washings are filtered, the dirt gone in eliminating water,
Then it is back in cylindric washer again, and the concentration of the laundry detergents in washings keeps constant, medicated clothing can be effectively improved and clean rate.
And air transporting arrangement is provided with, when can retain more dirt on the ultrafilter membrane of hyperfiltration membrane assembly, ultrafilter membrane is entered
Circulation of qi promoting is washed, and the gas conveyed by air transporting arrangement is shaken loose effect by the dirt stripping film surface of ultrafiltration membrane surface, so
It is rinsed with water again afterwards, compared with individually washing with water, flushing water can be saved, and when overcoming individually washing, dirt
The shortcoming for rinsing out is difficult on ultrafilter membrane, can be by the cleaner, thorough of ultrafiltration Membrane cleaning.
In the present embodiment, the air transporting arrangement can be air pump, and the liquid transporting apparatus can be water pump.
In the present embodiment, it is preferred that be provided with valve on circulating water line, draining is provided with the discharge pipe line
Valve.To facilitate the use to laundry washer water cycle utilization device to be controlled.
In the present embodiment, it is preferred that the laundry washer water cycle utilization device also includes a water inlet pipeline, institute
State a water inlet pipeline to connect with the water inlet；The circulating water line includes hyperfiltration membrane assembly inlet pipeline and ultrafilter membrane
Component outlet pipeline；Be provided with the first three-way valve on the hyperfiltration membrane assembly inlet pipeline, the outfan of the air pump with it is described
First three-way valve is connected；The second three-way valve is provided with water inlet pipeline, the hyperfiltration membrane assembly outlet pipeline
Water side is connected with the second described three-way valve.It is so designed that, by changing the valve of the first three-way valve to can select to make ultrafiltration
Membrane module inlet pipeline is connected with cylindric washer, and washings are filtered, or makes the water inlet end and the air pump of hyperfiltration membrane assembly
Connection, carries out air purge to hyperfiltration membrane assembly；By change the valve of the second three-way valve to, can select to make a water inlet pipeline with
The water inlet connection of cylindric washer, the untapped water (tap water) of injection toward in cylindric washer, or make hyperfiltration membrane assembly water outlet
Pipeline is connected with cylindric washer, the laundry water after injection is filtered toward in cylindric washer.
In the present embodiment, it is preferred that first three-way valve, the second three-way valve are three-way solenoid valve, the drain valve
For solenoid drain valve or electric draining valve.Be arranged such, can by the method that automatically controls control the first three-way valve, the two or three
The valve of port valve to and drain valve valve to.
In the present embodiment, it is preferred that the ultrafiltration membrane material of the hyperfiltration membrane assembly is hollow-fibre membrane, such as polrvinyl chloride
(PVC), polyether sulfone (PES), polypropylene (PP), Kynoar (PVDF), polyacrylonitrile (PAN) etc..
In the present embodiment, it is preferred that also include：
It is arranged on hyperfiltration membrane assembly and is provided with for detecting hyperfiltration membrane assembly film surface pressing (i.e. hyperfiltration membrane assembly film table
The pressure transducer hydraulic pressure in face, similarly hereinafter)；
The controller are controlled by washing or/and ultrafiltration membrane cleaning process；
And the comparator being connected with pressure transducer and controller；
The predetermined threshold value of hyperfiltration membrane assembly film surface pressing is prestored in the comparator,
The pressure transducer is sent to comparator after detecting hyperfiltration membrane assembly film surface current pressure value signal；
The comparator is used for receiving the hyperfiltration membrane assembly film surface current pressure value signal of pressure transducer transmission, and will
The hyperfiltration membrane assembly film surface current pressure value signal for receiving is compared with the size of predetermined threshold value, then by comparative result
It is sent to controller；
The controller, the hyperfiltration membrane assembly film surface current pressure value signal for receiving in comparator are more than or wait
When predetermined threshold value, booster air pump carries out air purge to ultrafilter membrane.
When on hyperfiltration membrane assembly film surface, current pressure reaches predetermined threshold value, controller control booster air pump enters to ultrafilter membrane
Row cleaning, prevents the dirt retained on ultrafilter membrane excessively, and ultrafilter membrane is excessive and damaged because of pressure.
In the present embodiment, it is preferred that also include the controller being controlled to washing or/and ultrafiltration membrane cleaning process, with
Just washing or/and ultrafiltration membrane cleaning process are automatically controlled.
In the present embodiment, it is preferred that also include the comparator being connected with pressure transducer and controller,
The predetermined threshold value of hyperfiltration membrane assembly film surface pressing is prestored in the comparator,
The pressure transducer is sent to comparator after detecting the current pressure value signal in hyperfiltration membrane assembly film surface；
The comparator is used for receiving the current pressure value signal in hyperfiltration membrane assembly film surface of pressure transducer transmission, and
The hyperfiltration membrane assembly film surface for receiving current pressure value signal is compared with the size of predetermined threshold value, then will be compared
As a result it is sent to controller；
The controller, the hyperfiltration membrane assembly film surface current pressure value signal for receiving in comparator are more than or wait
When predetermined threshold value, booster air pump carries out air purge to ultrafilter membrane.
Embodiment two
Referring to Fig. 1, the laundry washer water cycle utilization device of the present embodiment, including：Cylindric washer 2, circulating water line, row
Water lines 10 and hyperfiltration membrane assembly 5；
The water inlet end of the circulating water line is connected with the outlet of cylindric washer 2, the water side of the circulating water line with
The water inlet connection of the cylindric washer 2；
The hyperfiltration membrane assembly 5 has water inlet end, the first water side and the second water side, and the hyperfiltration membrane assembly 5 passes through
Water inlet end and the first water side are connected on circulating water line, and the water inlet end in hyperfiltration membrane assembly 5 is connected with gas conveying dress
Put, the air transporting arrangement can adopt air pump 8；
Liquid transporting apparatus are additionally provided with the circulating water line, and the liquid transporting apparatus can be water pump 4；
The discharge pipe line 10 is connected with the second water side of hyperfiltration membrane assembly 5.
Preferably, valve is provided with circulating water line, be provided with drain valve 7 on the discharge pipe line 10.
Preferably, the laundry washer water cycle utilization device also includes a water inlet pipeline, and a water enters
Water lines are connected with the water inlet；The circulating water line includes the hyperfiltration membrane assembly being connected with the water inlet end of hyperfiltration membrane assembly
Inlet pipeline 11 and the hyperfiltration membrane assembly outlet pipeline 12 being connected with the first water side of hyperfiltration membrane assembly；The valve includes
One three-way valve 6 and the second three-way valve 1, first three-way valve 6 are arranged on hyperfiltration membrane assembly inlet pipeline 11, the air pump 8
Outfan connect with first three-way valve 6；Second three-way valve 1 is arranged on a water inlet pipeline 9, described
The water side of hyperfiltration membrane assembly outlet pipeline 12 is connected with second three-way valve 1.It is so designed that, by changing the first three-way valve
6 valve is to can select to make hyperfiltration membrane assembly inlet pipeline 11 connect with cylindric washer, washings be filtered, or makes ultrafiltration
The water inlet end of membrane module 5 is connected with the air pump, carries out air purge to hyperfiltration membrane assembly 5；By changing the valve of the second three-way valve 1
To, can select to make a water inlet pipeline 9 connect with the water inlet of cylindric washer 2, toward in cylindric washer 2, injection is untapped once
Water, or hyperfiltration membrane assembly outlet pipeline 12 is connected with cylindric washer 2, the washings after injection is filtered toward in cylindric washer 2.
First three-way valve 6, the second three-way valve 1 are three-way solenoid valve, and the drain valve 7 is solenoid drain valve.Such as
This setting, can by the method that automatically controls control the first three-way valve 6, the second three-way valve 1 valve to and drain valve 7 valve
To.
The laundry washer water cycle utilization device of the present embodiment also includes the control for being controlled to washing process
Device（Not shown in figure）, when washing or/and rinsing, the controller control performs following action：
Open water pump 4；
Control the first three-way valve 6 to connect the water inlet end of hyperfiltration membrane assembly 5 with water pump 4；
Control the second three-way valve 1 to connect the first water side of hyperfiltration membrane assembly 5 with cylindric washer 2；
When wash time reaches setting value, the controller control performs following action：
Control the first three-way valve 6 to connect the water inlet end of hyperfiltration membrane assembly 5 with air pump 8；
Close the second three-way valve 1 and open drain valve 7；
Opening air pump 8 carries out air purge to ultrafilter membrane, and after the air purge time for reaching setting, the controller control performs following
Action：
Close air pump 8；
Control the first three-way valve 6 to connect the water inlet end of hyperfiltration membrane assembly with water pump 4, ultrafilter membrane is rinsed with water.
Washing process can be controlled by controller, and after completed washings, air purge to hyperfiltration membrane assembly 5 and
Washing is controlled, with high degree of automation, user-friendly advantage.
The ultrafiltration membrane material of the hyperfiltration membrane assembly 5 is hollow-fibre membrane.
In the present embodiment, the line that the ultrafilter membrane in hyperfiltration membrane assembly 5 can be produced in effectively retaining washing process is considered to be worth doing, dirt
The larger particles dirt such as stain, makes the as clear as crystal turbidity of water quality reach 0.1NTU, and detergent is not retained substantially, by using ultrafiltration
Washings are carried out purification washing/rinsing by membrane module, so as to go spot in eliminating water, make detergent be always maintained at very high having
Effect concentration, reaches the purpose for above carrying high-detergency in washing machine design basis itself.
The laundry processes of the laundry washer water cycle utilization device of three the present embodiment are given below.
Example one, laundry processes：The second three-way valve of tap water Jing 1 carries out the washing process of medicated clothing into cylindric washer 2, washed
Cheng Zhong, drain valve 7 are closed, and washings are through water pump 4, the first three-way valve 6, Jing ultrafilter membrane groups after 5 purified treatment of hyperfiltration membrane assembly
Part outlet pipeline 12 flows back to cylindric washer 2.Jing is tested, and washings Jing after the filtration of hyperfiltration membrane assembly 5 produce water turbidity and are reduced to by 300NTU
0.5NTU, is changed into clear and transparent water from dirty water, and detergent concentration is constant, what detergent was peeled off by hyperfiltration membrane assembly 5 well
Spot is retained.Washing terminates, and closes the second three-way valve 1, and drain valve 7 is opened, and washings are through water pump 4, ultrafilter membrane group
Part inlet pipeline 11, the first three-way valve 6, hyperfiltration membrane assembly 5, drain valve 7 are discharged.Washing machine enters rinse cycle, now enters
5 wash phase of hyperfiltration membrane assembly, the second three-way valve 1 are closed, and change the valve of the first three-way valve 6 to making air pump 8 and hyperfiltration membrane assembly
5 water inlet end connection, opens air pump 8, and first three-way valve of air-flow Jing 6 of air pump 8, hyperfiltration membrane assembly 5, drain valve 7 form air purge
Loop carries out air purge, and after air purge terminates, air pump 8 cuts out, and changes the valve of the first three-way valve 6 to making the water inlet end of hyperfiltration membrane assembly 5
Connect with water pump 4, treat washings draining Jing water pumps 4, hyperfiltration membrane assembly inlet pipeline 11, the first three-way valve 6, hyperfiltration membrane assembly 5,
Drain valve 7 is discharged and enters water-filling cleaning and regeneration to hyperfiltration membrane assembly 5, is then carried out draining, is completed laundry processes.
Example two, laundry processes：The second three-way valve of tap water Jing 1 carries out the normal washing course of medicated clothing into cylindric washer 2.Wash
Wash end, the second three-way valve 1 is closed, and drain valve 7 is opened, washings through water pump 4, hyperfiltration membrane assembly inlet pipeline 12, first
Three-way valve 6, hyperfiltration membrane assembly 5, drain valve 7 are discharged.Washing machine enters rinse cycle, and in rinse cycle, drain valve 7 is closed, drift
Wash water is through water pump 4, hyperfiltration membrane assembly inlet pipeline 11, the first three-way valve 6, Jing pipe ultrafiltration after 5 purified treatment of hyperfiltration membrane assembly
Membrane module outlet pipeline 12 flows back to cylindric washer 2 and forms closed circuit, carries out film process in rinsing and produces water circulation reuse, constantly will
The dirt retention produced in rinse cycle, makes rinsing water turbidity be reduced to class tap water 0.5-1.5NTU by 100-120NTU.Now
Into hyperfiltration membrane assembly wash phase, the second three-way valve 1 is closed, change the valve of the first three-way valve 6 to making air pump 8 and ultrafilter membrane
The water inlet end connection of component 5, opening air pump 8, first three-way valve of air-flow Jing 6 of air pump 8, hyperfiltration membrane assembly 5, drain valve 7 are formed
Air purge loop carries out air purge, and after air purge terminates, air pump 8 cuts out, and changes the valve of the first three-way valve 6 to making entering for hyperfiltration membrane assembly 5
Water end (W.E.) is connected with water pump 4, treats washings draining Jing water pumps 4, hyperfiltration membrane assembly inlet pipeline 11, the first three-way valve 6, ultrafilter membrane group
Part 5, drain valve 7 are discharged and enter water-filling cleaning and regeneration to hyperfiltration membrane assembly 5, are then carried out draining, are completed laundry processes.
Example three, laundry processes：The second three-way valve of tap water Jing 1 carries out the washing process of medicated clothing into cylindric washer 2, washed
Cheng Zhong, drain valve 7 are closed, and washings are through water pump 4, the first three-way valve 6, Jing ultrafilter membrane groups after 5 purified treatment of hyperfiltration membrane assembly
Part outlet pipeline 12 flows back to washing outer tube 3.Test washings produce water turbidity with hyperfiltration membrane assembly and are reduced to 0.5NTU by 300NTU, by
Dirty water is changed into clear and transparent water, and detergent concentration is constant, and the spot that detergent is peeled off is carried out by hyperfiltration membrane assembly 5 well
Retention.Washing terminates, and the first three-way valve 6 is closed, and drain valve 7 is opened, and washings are through water pump 4, hyperfiltration membrane assembly inlet pipeline
11, the first three-way valve 6, hyperfiltration membrane assembly 5, drain valve 7 are discharged.Washing machine enters rinse cycle, and in rinse cycle, washings are same
Washing process equally forms closed circuit, carries out film process in rinsing and produces water circulation reuse, constantly will produce in rinse cycle
Dirt retention, make rinsing water turbidity be reduced to class tap water 0.5-1.5NTU by 100-120NTU.Hyperfiltration membrane assembly 5 is entered now
Wash phase, the second three-way valve 1 are closed, and change the valve of the first three-way valve 6 to connecting air pump 8 and the water inlet end of hyperfiltration membrane assembly 5
It is logical, air pump 8 is opened, first three-way valve of air-flow Jing 6 of air pump 8, hyperfiltration membrane assembly 5, drain valve 7 form air purge loop and enter circulation of qi promoting
Wash, after air purge terminates, air pump 8 cuts out, change the valve of the first three-way valve 6 to the water inlet end and water pump 4 for making hyperfiltration membrane assembly connects
It is logical, treat washings draining Jing water pumps 4, hyperfiltration membrane assembly inlet pipeline 11, the first three-way valve 6, hyperfiltration membrane assembly 5,7 row of drain valve
Hyperfiltration membrane assembly 5 of being rivals in a contest enters water-filling cleaning and regeneration, then carries out draining, completes laundry processes.
Embodiment three
Referring to Fig. 2, the laundry washer water cycle utilization device of the present embodiment, including：Cylindric washer 2, circulating water line, row
Water lines 10 and hyperfiltration membrane assembly 5；
The water inlet end of the circulating water line is connected with the outlet of cylindric washer 2, the water side of the circulating water line with
The water inlet connection of the cylindric washer 2；
The hyperfiltration membrane assembly 5 has water inlet end, the first water side and the second water side, and the hyperfiltration membrane assembly 5 passes through
Water inlet end and the first water side are connected on circulating water line, and the water inlet end in hyperfiltration membrane assembly 5 is connected with air pump；
Water pump 4 is additionally provided with the circulating water line；
The discharge pipe line 10 is connected with the second water side of hyperfiltration membrane assembly 5.
Preferably, valve is provided with circulating water line, be provided with drain valve 7 on the discharge pipe line 10.
Preferably, the laundry washer water cycle utilization device also includes a water inlet pipeline, and a water enters
Water lines are connected with the water inlet；The circulating water line includes the hyperfiltration membrane assembly being connected with the water inlet end of hyperfiltration membrane assembly
Inlet pipeline 11 and the hyperfiltration membrane assembly outlet pipeline 12 being connected with the first water side of hyperfiltration membrane assembly；The valve includes
One three-way valve 6 and the second three-way valve 1, first three-way valve 6 are arranged on hyperfiltration membrane assembly inlet pipeline 11, the air pump 8
Outfan connect with first three-way valve 6；Second three-way valve 1 is arranged on a water inlet pipeline 9, described
The water side of hyperfiltration membrane assembly outlet pipeline 12 is connected with second three-way valve 1.It is so designed that, by changing the first three-way valve
6 valve is to can select to make hyperfiltration membrane assembly inlet pipeline 11 connect with cylindric washer, washings be filtered, or makes ultrafiltration
The water inlet end of membrane module 5 is connected with the air pump, carries out air purge to hyperfiltration membrane assembly 5；By changing the valve of the second three-way valve 1
To, can select to make a water inlet pipeline 9 connect with the water inlet of cylindric washer, toward in cylindric washer, injection is untapped once
Water, or hyperfiltration membrane assembly outlet pipeline 12 is connected with cylindric washer, the washing sewage after injection is filtered toward in cylindric washer 2.
First three-way valve 6, the second three-way valve 1 are three-way solenoid valve, and the drain valve 7 is solenoid drain valve.Such as
This setting, can by the method that automatically controls control the first three-way valve 6, the second three-way valve 1 valve to and drain valve 7 valve
To.
In the present embodiment, it is preferred that the ultrafiltration membrane material of the hyperfiltration membrane assembly 5 is hollow-fibre membrane.
In the present embodiment, the pressure for detecting hyperfiltration membrane assembly film surface pressing on the hyperfiltration membrane assembly 5, is provided with
Sensor 13, can provide the pressure value of the ultrafilter membrane of hyperfiltration membrane assembly 5, and when pressure reaches certain value, booster air pump 8 pairs surpasses
Filter membrane is cleaned, and prevents the dirt retained on ultrafilter membrane excessively, and ultrafilter membrane is excessive and damaged because of pressure.
In the present embodiment, it is preferred that also include that the comparator being connected with pressure transducer 13 and controller (is not shown in figure
Go out),
The predetermined threshold value of hyperfiltration membrane assembly film surface pressing is prestored in the comparator,
The pressure transducer 13 is sent to comparator after detecting the pressure value signal on hyperfiltration membrane assembly film surface；
The comparator is used for the pressure value signal on the hyperfiltration membrane assembly film surface for receiving the transmission of pressure transducer 13, and will
The pressure value signal on the hyperfiltration membrane assembly film surface for receiving is compared with the size of predetermined threshold value, is then sent out comparative result
Give controller；
The controller, the hyperfiltration membrane assembly film surface pressing value signal for receiving in comparator are more than or equal to pre-
If booster air pump carries out air purge to ultrafilter membrane during threshold value.
Example IV
Present embodiments provide a kind of water saving laundry of laundry washer water cycle utilization device in embodiment one
Control method, step are as follows：
When the cylindric washer of washing machine is in washing or rinsing mode of operation, opens liquid transporting apparatus and simultaneously control recirculated water
Pipeline is in connected state, to be filtered to the water in the cylindric washer by hyperfiltration membrane assembly in washing or rinse cycle
Process.
By it is this laundry water is filtered when washing/rinsing by way of, can have in washing/rinse cycle
Effect reduces the spot content in washings/washings, and the concentration of laundry detergents keeps constant, improves the clean rate of medicated clothing.
In the present embodiment, described water saving control method for washing is further preferably comprised the following steps：
The film surface pressure of the hyperfiltration membrane assembly is obtained when the cylindric washer of washing machine is in washing or rinsing mode of operation
Power；
When the hyperfiltration membrane assembly film surface current pressure of the hyperfiltration membrane assembly exceedes predetermined threshold value, circulating water pipe is controlled
Road is in cut-off state, opens air transporting arrangement communicated drainage pipeline, so that the air transporting arrangement is to the ultrafiltration
Film carries out air purge process；
When the air pump works more than preset duration, the air pump is closed, open liquid transporting apparatus and control draining
Pipeline is in connected state, so that the liquid transporting apparatus carry out washing process and will wash debris Jing institutes to the ultrafilter membrane
State discharge pipe line discharge；Until when hyperfiltration membrane assembly film surface current pressure is less than predetermined threshold value, control circulating water line is in
Connected state.
By this mode, monitor in real time can be carried out to hyperfiltration membrane assembly film surface pressing in washing/rinse cycle,
And when hyperfiltration membrane assembly film surface intercepts and has more spot, immediately ultrafilter membrane is cleaned, ultrafiltration can be effectively protected
Membrane module, extends the service life of hyperfiltration membrane assembly.
The specific embodiment of two this laundry washer water cycle utilization devices is given below in conjunction with the accompanying drawings, so as to this area
Technical staff is clearer to understand technical scheme.
Embodiment five
The present embodiment provides a kind of cleaning method of the laundry water cycle utilization device for described in embodiment one, including
Following steps：
Hyperfiltration membrane assembly is passed the gas through, air purge is carried out to the ultrafilter membrane in hyperfiltration membrane assembly, block on ultrafilter membrane with being dispelled
The dirt for cutting.
The ultrafilter membrane in water cycle utilization device of doing washing is cleaned by way of air purge, is not only economized on water, Er Qieneng
Enough by the cleaner of the ultrafiltration Membrane cleaning in laundry water cycle utilization device, more thoroughly.
Optionally, after the air purge step, also include ultrafilter membrane being rinsed with water, the wash dirt for dispelling is fallen
Step.
Thus, being acted on the dirt stripping film surface of ultrafiltration membrane surface by shaking loose for gas, then rushed with water again
Wash, compared with individually washing with water, flushing water can be saved, and can clean it is cleaner, thoroughly.
Optionally, the gas is compressed gas, and the water flushing ultrafilter membrane is to carry out forward direction with water to ultrafilter membrane
Rinse, so that the ultrafilter membrane in laundry water cycle utilization device obtains more preferably clean cleaning performance.
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；Although
With reference to the foregoing embodiments the present invention has been described in detail, it will be understood by those within the art that：Which still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of laundry water cycle utilization device, it is characterised in that include：Cylindric washer, circulating water line, discharge pipe line and super
Filter membrane component；
The water inlet end of the circulating water line is connected with the outlet of cylindric washer, and the water side of the circulating water line is washed with described
Wash the water inlet connection of cylinder；
The hyperfiltration membrane assembly has water inlet end, the first water side and the second water side, and the hyperfiltration membrane assembly passes through water inlet end
And first water side be connected on circulating water line, and the water inlet end in hyperfiltration membrane assembly is connected with air transporting arrangement；
Liquid transporting apparatus are additionally provided with the circulating water line；
The discharge pipe line is connected with the second water side of hyperfiltration membrane assembly；
Also include：
The pressure transducer for detecting hyperfiltration membrane assembly film surface pressing is provided with the hyperfiltration membrane assembly；
The controller are controlled by washing or/and ultrafiltration membrane cleaning process；
And the comparator being connected with pressure transducer and controller；
The predetermined threshold value of hyperfiltration membrane assembly film surface pressing is prestored in the comparator, and the pressure transducer detects ultrafiltration
Comparator is sent to after the current pressure value signal of membrane module film surface；
The comparator is used for receiving the hyperfiltration membrane assembly film surface current pressure value signal of pressure transducer transmission, and will receive
To hyperfiltration membrane assembly film surface current pressure value signal be compared with the size of predetermined threshold value, then comparative result is sent
To controller；
The controller, the hyperfiltration membrane assembly film surface current pressure value signal for receiving in comparator are more than or equal to pre-
If starting air transporting arrangement during threshold value carries out air purge to ultrafilter membrane.
2. laundry water cycle utilization device according to claim 1, it is characterised in that the air transporting arrangement is gas
Pump, the liquid transporting apparatus are water pump.
3. laundry water cycle utilization device according to claim 2, it is characterised in that be provided with valve on circulating water line
Door, is provided with drain valve on the discharge pipe line.
4. laundry water cycle utilization device according to claim 3, it is characterised in that also including a water inlet pipeline,
Water inlet pipeline is connected with the water inlet；The circulating water line includes being connected with the water inlet end of hyperfiltration membrane assembly
Hyperfiltration membrane assembly inlet pipeline and the hyperfiltration membrane assembly outlet pipeline being connected with the first water side of hyperfiltration membrane assembly；The valve
Door includes the first three-way valve and the second three-way valve, and first three-way valve is arranged on hyperfiltration membrane assembly inlet pipeline, the gas
The outfan of pump is connected with first three-way valve；Second three-way valve is arranged on a water inlet pipeline, described
The water side of hyperfiltration membrane assembly outlet pipeline is connected with second three-way valve.
5. laundry water cycle utilization device according to claim 4, it is characterised in that first three-way valve, the two or three
Port valve is three-way solenoid valve, and the drain valve is solenoid drain valve or electric draining valve.
6. the laundry water cycle utilization device according to any one of claim 1-5, it is characterised in that the hyperfiltration membrane assembly
Ultrafiltration membrane material be hollow-fibre membrane.
7. the water saving laundry control of the washing machine of the laundry water cycle utilization device described in a kind of any one of employing claim 2-6
Method, it is characterised in that comprise the following steps：
When the cylindric washer of washing machine is in washing or rinsing mode of operation, opens liquid transporting apparatus and simultaneously control circulating water line
In connected state, to be carried out at filtration to the water in the cylindric washer by hyperfiltration membrane assembly in washing or rinse cycle
Reason；
The hyperfiltration membrane assembly film surface current pressure is obtained when the cylindric washer of washing machine is in washing or rinsing mode of operation；
When the hyperfiltration membrane assembly film surface current pressure exceedes predetermined threshold value, control circulating water line is in cut-off state,
Air transporting arrangement communicated drainage pipeline is opened, so that the air transporting arrangement carries out air purge process to the ultrafilter membrane；
When the air transporting arrangement works more than preset duration, the air pump is closed, open liquid transporting apparatus and control
Discharge pipe line is in connected state, so that the liquid transporting apparatus carry out washing process and will wash debris to the ultrafilter membrane
Discharge pipe line described in Jing is discharged；Until when hyperfiltration membrane assembly film surface current pressure is less than predetermined threshold value, controlling circulating water line
In connected state.
8. described in a kind of any one of claim 1-6 laundry water cycle utilization device cleaning method, it is characterised in that include
Following steps：
Hyperfiltration membrane assembly is passed the gas through, air purge is carried out to the ultrafilter membrane in hyperfiltration membrane assembly, to dispel what is intercepted on ultrafilter membrane
Dirt.
9. it is according to claim 8 laundry water cycle utilization device cleaning method, its feature exists, in the air purge step
Afterwards, also include rinsing ultrafilter membrane with water, the step of the wash dirt for dispelling is fallen.
10. the cleaning method of laundry water cycle utilization device according to claim 9, its feature exists, and the gas is pressure
Contracting gas, and the water flushing ultrafilter membrane is to carry out positive flushing with water to ultrafilter membrane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488704.9A CN103835095B (en) | 2012-11-26 | 2012-11-26 | Clothes washing water recycling device, washing method thereof and water-saving clothes washing control method |
| PCT/CN2013/082607 WO2014079253A1 (en) | 2012-11-26 | 2013-08-29 | Laundry water cyclic utilization apparatus, cleaning method thereof, and water-saving washing control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488704.9A CN103835095B (en) | 2012-11-26 | 2012-11-26 | Clothes washing water recycling device, washing method thereof and water-saving clothes washing control method |
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| CN103835095A CN103835095A (en) | 2014-06-04 |
| CN103835095B true CN103835095B (en) | 2017-03-22 |
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| CN201210488704.9A Active CN103835095B (en) | 2012-11-26 | 2012-11-26 | Clothes washing water recycling device, washing method thereof and water-saving clothes washing control method |
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| Country | Link |
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| CN (1) | CN103835095B (en) |
| WO (1) | WO2014079253A1 (en) |
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| CN105316913B (en) * | 2014-07-08 | 2020-07-07 | 青岛海尔智能技术研发有限公司 | Washing machine and control method for washing filtering component of washing machine |
| CN105506914A (en) * | 2014-09-22 | 2016-04-20 | 青岛海尔智能技术研发有限公司 | A washing machine and a control method of the washing machine having a circulating water filtration system |
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| CN105506934B (en) * | 2014-09-22 | 2019-08-09 | 青岛海尔智能技术研发有限公司 | The self cleaning method of the filter assemblies of washing machine |
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| CN103835095A (en) | 2014-06-04 |
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