WO2014079253A1 - 洗衣水循环利用装置及其清洗方法及节水洗衣控制方法 - Google Patents

洗衣水循环利用装置及其清洗方法及节水洗衣控制方法 Download PDF

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Publication number
WO2014079253A1
WO2014079253A1 PCT/CN2013/082607 CN2013082607W WO2014079253A1 WO 2014079253 A1 WO2014079253 A1 WO 2014079253A1 CN 2013082607 W CN2013082607 W CN 2013082607W WO 2014079253 A1 WO2014079253 A1 WO 2014079253A1
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WO
WIPO (PCT)
Prior art keywords
water
ultrafiltration membrane
washing
membrane module
way valve
Prior art date
Application number
PCT/CN2013/082607
Other languages
English (en)
French (fr)
Inventor
郝世龙
柳玉全
劳春峰
Original Assignee
海尔集团技术研发中心
海尔集团公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 海尔集团技术研发中心, 海尔集团公司 filed Critical 海尔集团技术研发中心
Publication of WO2014079253A1 publication Critical patent/WO2014079253A1/zh

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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/083Liquid discharge or recirculation arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/10Filtering arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/42Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/34Filtering, e.g. control of lint removal devices
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00Control of operations performed in washing machines or washer-dryers 
    • D06F33/30Control of washing machines characterised by the purpose or target of the control 
    • D06F33/43Control of cleaning or disinfection of washing machine parts, e.g. of tubs

Definitions

  • the present invention relates to a washing machine, and more particularly to a washing water recycling device, a cleaning method thereof and a water saving laundry control method.
  • the washing apparatus of the existing washing machine cannot recycle the water in the washing process, and it is necessary to carry out multiple rinsing after washing. In each process, no matter whether the clothes are clean or not, it is necessary to replace and use a large amount of clean water, resulting in a lot of waste of water.
  • the rinsing water is purified and recycled by using the ultrafiltration membrane module, the large amount of clean water can be saved without affecting the washing effect, which is of great significance for wastewater emission reduction.
  • a water washing method is often used, and there is a disadvantage that the amount of water used is large and cannot be cleaned.
  • a first object of the present invention is to provide a laundry water recycling apparatus capable of efficiently cleaning an ultrafiltration membrane in an ultrafiltration membrane module.
  • a second object of the present invention is to provide a water-saving laundry control method for a washing machine using the washing machine laundry water recycling apparatus.
  • a third object of the present invention is to provide a cleaning method for a laundry water recycling device.
  • the washing water recycling device of the washing machine of the present invention comprises: a washing tub, a circulating water pipeline, a drain pipeline, and a filter membrane assembly;
  • the water inlet end of the circulating water pipeline is connected to the water outlet of the washing tub, and the water outlet end of the circulating water pipeline is connected to the water inlet of the washing tub;
  • the ultrafiltration membrane module has a water inlet end, a first water outlet end and a second water outlet end, and the ultrafiltration membrane module is connected to the circulating water pipe through the water inlet end and the first water outlet end, and is advanced in the ultrafiltration membrane module.
  • a gas delivery device is connected to the water end;
  • a liquid conveying device is further disposed on the circulating water pipe;
  • the drain line is in communication with a second outlet end of the ultrafiltration membrane module.
  • the water-saving laundry control method of the washing machine adopting the washing water recycling device of the present invention comprises the following steps:
  • the cleaning method of the washing water recycling device of the present invention comprises the following steps:
  • the gas is passed through an ultrafiltration membrane module to purge the ultrafiltration membrane in the ultrafiltration membrane module to blow off the dirt trapped on the ultrafiltration membrane.
  • the washing water recycling device of the present invention can filter the laundry sewage by providing an ultrafiltration membrane module in the circulating water pipeline, and can filter the washing water or the rinsing water while washing or rinsing, and remove the dirt in the water. Then, it is returned to the washing tub, and the concentration of the laundry detergent in the washing water remains unchanged, which can effectively improve the washing rate of the laundry.
  • a gas conveying device is provided, which can perform air washing on the ultrafiltration membrane when the ultrafiltration membrane of the ultrafiltration membrane module is trapped, and the ultrafiltration membrane is used for the vibration of the gas transported by the gas delivery device. The surface of the dirt peels off the surface of the membrane and then rinses with water. Compared with the water alone, it can save flushing. Water, and can be cleaned more thoroughly.
  • the invention adopts the water-saving laundry control method of the washing machine of the washing water recycling device, can filter the laundry sewage, can filter the washing water or the rinsing water while washing or rinsing, remove the dirt in the water, and then reflow.
  • the concentration of the laundry detergent in the washing water remains unchanged, which can effectively improve the washing rate of the laundry.
  • the cleaning method of the washing water recycling device of the present invention passes the gas through the ultrafiltration membrane module to air-wash the ultrafiltration membrane in the ultrafiltration membrane module to blow off the dirt intercepted on the ultrafiltration membrane. Not only water saving, but also the cleaning of the ultrafiltration membrane in the washing water recycling device is cleaner and more thorough.
  • FIG. 1 is a schematic structural view of a washing machine water recycling device of a washing machine according to a second embodiment of the present invention
  • FIG. 2 is a schematic structural view of a washing machine water recycling device of a washing machine according to a third embodiment of the present invention. The mark in the figure is indicated as:
  • the washing water recycling device of the washing machine of the embodiment comprises: a washing tub, a circulating water pipeline, and a drain pipeline to filter the membrane assembly;
  • the water inlet end of the circulating water pipeline is connected to the water outlet of the washing tub, and the water outlet end of the circulating water pipeline is connected to the water inlet of the washing tub;
  • the ultrafiltration membrane module has a water inlet end, a first water outlet end and a second water outlet end, and the ultrafiltration membrane module is connected to the circulating water pipe through the water inlet end and the first water outlet end, and is advanced in the ultrafiltration membrane module.
  • a gas delivery device is connected to the water end;
  • a liquid conveying device is further disposed on the circulating water pipe;
  • the drain line is in communication with a second outlet end of the ultrafiltration membrane module.
  • the washing water recycling device can filter the laundry sewage by designing an ultrafiltration membrane module in the circulating water pipeline, and can filter the washing water or the rinsing water while washing or rinsing, and remove the dirt in the water, and then Then, it is returned to the washing tub, and the concentration of the laundry detergent in the washing water remains unchanged, which can effectively improve the washing rate of the laundry.
  • a gas conveying device is provided, and when the dirt is trapped on the ultrafiltration membrane of the ultrafiltration membrane module, the ultrafiltration membrane is gas-washed, and the gas to be transported by the gas delivery device is shaken to the ultrafiltration membrane.
  • Surface peeling film table - - Face, and then rinse with water, compared with the water alone, can save flushing water, and overcome the shortcomings of dirt washing on the ultrafiltration membrane when washing alone, can clean the ultrafiltration membrane Cleaner and more thorough.
  • the gas delivery device may be an air pump, and the liquid delivery device may be a water pump.
  • a valve is disposed on the circulating water pipe, and a drain valve is disposed on the drain pipe. In order to facilitate the control of the use of washing machine washing water recycling device.
  • the washing machine water recycling device of the washing machine further comprises a primary water inlet pipe, wherein the primary water inlet pipe is connected to the water inlet; the circulating water pipeline comprises an ultrafiltration membrane module inlet pipe. And an ultrafiltration membrane module outlet pipe; a first three-way valve is disposed on the inlet pipe of the ultrafiltration membrane module, and an output end of the gas pump is in communication with the first three-way valve; There is a second three-way valve, and the water outlet end of the ultrafiltration membrane module outlet pipe is in communication with the second three-way valve.
  • the inlet membrane of the ultrafiltration membrane module can be selectively connected to the washing tub, the washing water can be filtered, or the inlet end of the ultrafiltration membrane module can be connected to the air pump.
  • the air filter is cleaned by the ultrafiltration membrane module;
  • the primary water inlet pipe can be connected to the water inlet of the washing tub, and the unused primary water (tap water) is injected into the washing tub.
  • the ultrafiltration membrane module outlet pipe is connected to the washing tub, and the filtered washing water is injected into the washing tub.
  • the first three-way valve and the second three-way valve are electromagnetic three-way valves
  • the drain valve is an electromagnetic drain valve or an electric drain valve.
  • the ultrafiltration membrane of the ultrafiltration membrane module is made of a hollow fiber membrane, such as polyvinyl chloride (PVC), polyethersulfone (PES), polypropylene (PP), polyvinylidene fluoride ( PVDF), polyacrylonitrile (PAN), etc.
  • PVC polyvinyl chloride
  • PES polyethersulfone
  • PP polypropylene
  • PVDF polyvinylidene fluoride
  • PAN polyacrylonitrile
  • the method further includes:
  • a pressure sensor for detecting the surface pressure of the ultrafiltration membrane module membrane (ie, the water pressure of the surface of the ultrafiltration membrane module membrane, the same below);
  • a controller that controls the washing or / and ultrafiltration membrane cleaning process
  • a comparator connected to the pressure sensor and the controller; - - a predetermined threshold value for pre-preserving the surface pressure of the ultrafiltration membrane module membrane in the comparator,
  • the pressure sensor detects the current pressure value signal of the surface of the ultrafiltration membrane module and sends it to the comparator;
  • the comparator is configured to receive a current pressure value signal of the surface of the ultrafiltration membrane module film sent by the pressure sensor, compare the current pressure value signal of the surface of the membrane surface of the received ultrafiltration membrane module with a preset threshold value, and then send the comparison result Give the controller
  • the controller is configured to start the air pump to perform air washing on the ultrafiltration membrane when the current pressure value signal of the surface of the ultrafiltration membrane module membrane received by the comparator is greater than or equal to a preset threshold.
  • the controller controls the startup air pump to clean the ultrafiltration membrane to prevent excessive dirt trapped on the ultrafiltration membrane, and the ultrafiltration membrane is excessively pressurized.
  • a controller for controlling the washing or/and ultrafiltration membrane cleaning process is also included to automatically control the washing or/and ultrafiltration membrane cleaning process.
  • the comparator further includes a comparator connected to the pressure sensor and the controller, wherein the comparator prestores a preset threshold value of the surface pressure of the ultrafiltration membrane module membrane,
  • the pressure sensor detects a current pressure value signal on the surface of the ultrafiltration membrane module membrane and sends the signal to the comparator;
  • the comparator is configured to receive a current pressure value signal of the surface of the ultrafiltration membrane module film sent by the pressure sensor, and compare the current pressure value signal of the surface of the membrane surface of the received ultrafiltration membrane module with a preset threshold value, and then compare The result is sent to the controller;
  • the controller is configured to start the air pump to perform air washing on the ultrafiltration membrane when the current pressure value signal of the surface of the ultrafiltration membrane module membrane received by the comparator is greater than or equal to a preset threshold.
  • the washing machine water recycling device of the washing machine of the embodiment comprises: a washing tub 2, a circulating water pipe, a drain pipe 10 and an ultrafiltration membrane module 5;
  • the water inlet end of the circulating water pipeline is connected to the water outlet of the washing tub 2, and the water outlet end of the circulating water pipeline is connected to the water inlet of the washing tub 2;
  • the ultrafiltration membrane module 5 has a water inlet end, a first water outlet end and a second water outlet end, and the ultrafiltration membrane module 5 is connected to the circulation water pipe through the water inlet end and the first water outlet end, and is in ultrafiltration
  • the gas inlet device of the membrane assembly 5 is connected to a gas delivery device, the gas delivery device may be a gas pump 8;
  • the circulation water conduit is also provided with a liquid delivery device, the liquid delivery device may be a water pump 4;
  • the drain line 10 is in communication with the second water outlet end of the ultrafiltration membrane module 5.
  • a valve is provided on the circulating water pipe, and a drain valve 7 is provided on the drain pipe 10.
  • the washing machine water recycling device of the washing machine further comprises a primary water inlet pipe, wherein the primary water inlet pipe is in communication with the water inlet; the circulating water pipe comprises an ultra connection with the inlet end of the ultrafiltration membrane module. a membrane module inlet line 11 and an ultrafiltration membrane module outlet line 12 connected to the first outlet end of the ultrafiltration membrane module; the valve comprising a first three-way valve 6 and a second three-way valve 1, said a three-way valve 6 is disposed on the ultrafiltration membrane module inlet pipe 11, the output end of the air pump 8 is in communication with the first three-way valve 6; and the second three-way valve 1 is disposed in the primary water inlet On the water line 9, the water outlet end of the ultrafiltration membrane module outlet pipe 12 is in communication with the second three-way valve 1.
  • the valve direction of the first three-way valve 6 it is possible to selectively connect the ultrafiltration membrane module inlet pipe 11 with the washing tub, filter the washing water, or make the inlet end of the ultrafiltration membrane module 5
  • the air pump is connected to perform air washing on the ultrafiltration membrane module 5; by changing the valve direction of the second three-way valve 1, the primary water inlet conduit 9 can be selectively connected to the water inlet of the washing tub 2, and injected into the washing tub 2
  • the primary water is not used, or the ultrafiltration membrane module outlet pipe 12 is connected to the washing tub 2, and the filtered washing water is injected into the washing tub 2.
  • the first three-way valve 6 and the second three-way valve 1 are electromagnetic three-way valves, and the drain valve 7 is an electromagnetic drain valve. With this arrangement, the valve direction of the first three-way valve 6, the second three-way valve 1, and the valve direction of the drain valve 7 can be controlled by an automatic control method.
  • the washing machine water recycling apparatus of the present embodiment further includes a controller (not shown) for controlling the washing process, and when washing or/and rinsing, the controller controls to perform the following actions:
  • the first three-way valve is controlled to connect the inlet end of the ultrafiltration membrane module to the water pump 4, and the ultrafiltration membrane is flushed with water.
  • the washing process can be controlled by the controller, and after the washing is finished, the air washing and washing of the ultrafiltration membrane module 5 can be controlled, which has the advantages of high automation and user convenience.
  • the ultrafiltration membrane of the ultrafiltration membrane module 5 is made of a hollow fiber membrane.
  • the ultrafiltration membrane in the ultrafiltration membrane module 5 can effectively intercept large particles of dirt, such as swarf, stains, etc. during the washing process, so that the water clear and turbidity reaches 0. 1 NTU, and the detergent is basically Without the interception, the washing water is purified and washed/rinsed by using the ultrafiltration membrane module, thereby removing the stains in the water, keeping the detergent at a high effective concentration, and achieving the purpose of improving the washing rate based on the design of the washing machine itself.
  • the laundry process of the washing machine water recycling apparatus of the washing machine of the present embodiment is given below.
  • the drain valve 7 is closed, the washing water passes through the water pump 4, the first three-way valve 6, and the ultrafiltration membrane module After the purification treatment, the ultrafiltration membrane module outlet pipe 12 flows back to the washing tub 2.
  • the washing water is filtered by the ultrafiltration membrane module 5, the turbidity of the produced water is reduced from 300 NTU to 0.5 NTU, from the dirty water to the clear transparent water, the detergent concentration is unchanged, and the ultrafiltration membrane module 5 is very good. The stains of the detergent peeling off were intercepted.
  • the second three-way valve 1 is closed, the drain valve 7 is opened, the washing water passes through the water pump 4, the ultrafiltration membrane module inlet line 11, the first three-way valve 6, the ultrafiltration membrane module 5, and the drain valve 7 are discharged.
  • the washing machine enters the rinsing process, at which time the cleaning stage of the ultrafiltration membrane module 5 is entered, the second three-way valve 1 is closed, and the valve direction of the first three-way valve 6 is changed, so that the air pump 8 is connected to the water inlet end of the ultrafiltration membrane module 5,
  • the air pump 8 is turned on, and the air flow of the air pump 8 passes through the first three-way valve 6, the ultrafiltration membrane - - Component 5, the drain valve 7 forms a gas wash circuit for air washing, after the air washing is completed, the air pump 8 is closed, and the valve direction of the first three-way valve 6 is changed, so that the water inlet end of the ultrafiltration membrane module 5 is connected to the water pump 4
  • Example 2 Laundry process: The tap water enters the washing tub 2 through the second three-way valve 1 to perform the normal washing process of the laundry. At the end of the washing, the second three-way valve 1 is closed, the drain valve 7 is opened, the washing water is passed through the water pump 4, the ultrafiltration membrane module inlet pipe 12, the first three-way valve 6, the ultrafiltration membrane module 5, and the drain valve 7 are discharged. The washing machine enters the rinsing process. During the rinsing process, the drain valve 7 is closed, the rinsing water passes through the water pump 4, the ultrafiltration membrane module inlet pipe 11, the first three-way valve 6, and the ultrafiltration membrane module 5 is purified and processed through the ultrafiltration membrane module.
  • the water pipe 12 is returned to the washing tub 2 to form a circulation loop, while the rinsing process is carried out, and the effluent turbidity is reduced from 100-120 NTU to tap water. -1. 5NTU.
  • the ultrafiltration membrane module cleaning stage is entered, the second three-way valve 1 is closed, the valve direction of the first three-way valve 6 is changed, the air pump 8 is connected with the water inlet end of the ultrafiltration membrane module 5, and the air pump 8 is opened, and the air pump 8 is The airflow is air-washed through the first three-way valve 6, the ultrafiltration membrane module 5, and the drain valve 7 to form a gas-washing circuit.
  • the air pump 8 is closed, and the valve direction of the first three-way valve 6 is changed to enable ultrafiltration.
  • the water inlet end of the membrane module 5 is in communication with the water pump 4, the water to be drained through the water pump 4, the ultrafiltration membrane module inlet line 11, the first three-way valve 6, the ultrafiltration membrane module 5, and the drain valve 7 are discharged to the ultrafiltration membrane.
  • the assembly 5 is subjected to water washing regeneration, and then drained to complete the washing process.
  • Example 3 Laundry process: The tap water enters the washing tub 2 through the second three-way valve 1 to perform the washing process of the laundry. During the washing process, the drain valve 7 is closed, the washing water passes through the water pump 4, the first three-way valve 6, and the ultrafiltration membrane module After the purification treatment, the ultrafiltration membrane module outlet pipe 12 flows back to the washing outer cylinder 3. Test the washing water and ultrafiltration membrane module water turbidity from 300NTU to 0. 5NTU, from dirty water to cool transparent water, detergent concentration is unchanged, ultrafiltration membrane module 5 is very good for detergent peeling off stains Withholding.
  • the first three-way valve 6 is closed, the drain valve 7 is opened, the washing water is discharged through the water pump 4, the ultrafiltration membrane module inlet line 11, the first three-way valve 6, the ultrafiltration membrane module 5, and the drain valve 7.
  • the washing machine enters the rinsing process.
  • the rinsing water forms a circulation loop like the washing process, and the membrane treatment water production cycle is reused while rinsing, and the rinsing process is continuously generated.
  • - 5-1. 5NTU The turbidity of the rinsing water is reduced from 100-120 NTU to tap water.
  • the second three-way valve 1 is closed, and the valve direction of the first three-way valve 6 is changed, so that the air pump 8 is connected to the water inlet end of the ultrafiltration membrane module 5, and the air pump 8 is turned on, the air pump The air flow of 8 is air-washed through the first three-way valve 6, the ultrafiltration membrane module 5, and the drain valve 7 to form a gas-washing circuit.
  • the air pump 8 is closed, and the valve direction of the first three-way valve 6 is changed to make the air flow.
  • the inlet end of the membrane module is connected to the water pump 4, the water to be drained through the water pump 4, the ultrafiltration membrane module inlet line 11, the first three-way valve 6, the ultrafiltration membrane module 5, the drain valve 7 discharge to the ultrafiltration membrane
  • the component 5 is subjected to water washing regeneration, and then water is supplied to complete the washing process.
  • the washing machine water recycling device of the washing machine of the embodiment comprises: a washing tub 2, a circulating water pipe, a drain pipe 10 and an ultrafiltration membrane module 5;
  • the water inlet end of the circulating water pipe communicates with the water outlet of the washing tub 2, and the water outlet end of the circulating water pipe communicates with the water inlet of the washing tub 2;
  • the ultrafiltration membrane module 5 has a water inlet end, a first water outlet end and a second water outlet end, and the ultrafiltration membrane module 5 is connected to the circulation water pipe through the water inlet end and the first water outlet end, and is in the ultrafiltration membrane module.
  • the inlet end of 5 is connected to an air pump;
  • a water pump 4 is further disposed on the circulating water pipe;
  • the drain line 10 is in communication with the second water outlet end of the ultrafiltration membrane module 5.
  • a valve is provided on the circulating water pipe, and a drain valve 7 is provided on the drain pipe 10.
  • the washing machine water recycling device of the washing machine further comprises a primary water inlet pipe, wherein the primary water inlet pipe is in communication with the water inlet; the circulating water pipe comprises an ultra connection with the inlet end of the ultrafiltration membrane module. a membrane module inlet line 11 and an ultrafiltration membrane module outlet line 12 connected to the first outlet end of the ultrafiltration membrane module; the valve comprising a first three-way valve 6 and a second three-way valve 1, said a three-way valve 6 is disposed on the ultrafiltration membrane module inlet pipe 11, the output end of the air pump 8 is in communication with the first three-way valve 6; and the second three-way valve 1 is disposed in the primary water inlet On the water line 9, the water outlet end of the ultrafiltration membrane module outlet pipe 12 is in communication with the second three-way valve 1.
  • the ultrafiltration membrane module inlet pipe can be selected.
  • the road 11 is in communication with the washing tub, filtering the washing water, or connecting the water inlet end of the ultrafiltration membrane module 5 to the air pump, and purging the ultrafiltration membrane module 5; by changing the second three-way valve 1
  • the valve direction may be such that the primary water inlet pipe 9 communicates with the water inlet of the washing tub, the unused primary water is injected into the washing tub, or the ultrafiltration membrane module outlet pipe 12 is connected to the washing tub to the washing tub. 2 Inject the filtered laundry sewage into the inside.
  • the first three-way valve 6 and the second three-way valve 1 are electromagnetic three-way valves, and the drain valve 7 is an electromagnetic drain valve. With this arrangement, the valve direction of the first three-way valve 6, the second three-way valve 1, and the valve direction of the drain valve 7 can be controlled by an automatic control method.
  • the ultrafiltration membrane of the ultrafiltration membrane module 5 is made of a hollow fiber membrane.
  • the ultrafiltration membrane module 5 is provided with a pressure sensor 13 for detecting the surface pressure of the ultrafiltration membrane module membrane, and the pressure value of the ultrafiltration membrane of the ultrafiltration membrane module 5 can be given, and the pressure reaches a certain value.
  • the air pump 8 is started, the ultrafiltration membrane is cleaned to prevent excessive dirt trapped on the ultrafiltration membrane, and the ultrafiltration membrane is damaged due to excessive pressure.
  • a comparator (not shown) connected to the pressure sensor 13 and the controller is further included,
  • the pressure sensor 13 detects the pressure value signal on the surface of the ultrafiltration membrane module and sends it to the comparator;
  • the comparator is configured to receive a pressure value signal of the surface of the ultrafiltration membrane module film sent by the pressure sensor 13, and compare the pressure value signal of the surface of the received ultrafiltration membrane module with a preset threshold value, and then compare the result Sent to the controller;
  • the controller is configured to start the air pump to perform air washing on the ultrafiltration membrane when the ultrafiltration membrane module membrane surface pressure value signal received by the comparator is greater than or equal to a preset threshold.
  • the embodiment provides a water-saving laundry control method for the washing machine water recycling device of the first embodiment, and the steps are as follows: - - when the washing tub of the washing machine is in the washing or rinsing mode, the liquid conveying device is turned on and the circulating water line is controlled to be in communication to filter the water in the washing tub through the ultrafiltration membrane module during washing or rinsing deal with.
  • the amount of stain in the washing water/rinsing water can be effectively reduced during the washing/rinsing process, and the concentration of the laundry detergent remains unchanged, thereby improving the washing rate of the laundry. .
  • the water-saving laundry control method further preferably comprises the steps of: acquiring a film surface pressure of the ultrafiltration membrane module when the washing tub of the washing machine is in a washing or rinsing working mode;
  • the circulating water conduit is controlled to be in an off state, the gas delivery device is opened and the drainage conduit is connected, so that the gas delivery device is The ultrafiltration membrane is subjected to a gas washing treatment;
  • the air pump When the air pump operates for more than a preset period of time, the air pump is turned off, the liquid conveying device is turned on, and the drain line is controlled to be in a communicating state, so that the liquid conveying device washes the ultrafiltration membrane and washes the water Discharged through the drain line; until the current pressure on the surface of the ultrafiltration membrane module membrane is less than a preset threshold, the control circulating water line is in a connected state.
  • the surface pressure of the ultrafiltration membrane module membrane can be monitored in real time during the washing/rinsing process, and when the surface of the ultrafiltration membrane module membrane is intercepted with more stains, the ultrafiltration membrane can be cleaned immediately, which can be effective. Protect the ultrafiltration membrane module and extend the life of the ultrafiltration membrane module.
  • Embodiment 5 Two specific embodiments of the washing machine water recycling device of the present washing machine are given below in conjunction with the accompanying drawings, so that those skilled in the art can better understand the technical solutions of the present invention.
  • the embodiment provides a cleaning method for the washing water recycling device described in the first embodiment, comprising the following steps:
  • the gas is passed through an ultrafiltration membrane module to purge the ultrafiltration membrane in the ultrafiltration membrane module to blow off the dirt trapped on the ultrafiltration membrane.
  • the ultrafiltration membrane in the washing water recycling device is cleaned by means of air washing, which not only saves water, but also cleans and purifies the ultrafiltration membrane in the washing water recycling device. - -
  • the step of rinsing the ultrafiltration membrane with water to rinse off the blown dirt is further included.
  • the gas is a compressed gas
  • the ultrafiltration membrane is flushed with water to positively flush the ultrafiltration membrane with water to obtain a better cleansing effect of the ultrafiltration membrane in the wash water recycling device.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

本发明公开了一种洗衣水循环利用装置、节水洗衣控制方法及洗衣水循环利用装置的清洗方法,该装置包括:洗涤筒、循环水管路、排水管路以及超滤膜组件;所述循环水管路的进水端与洗涤筒的出水口连通,所述循环水管路的出水端与所述洗涤筒的进水口连通;所述超滤膜组件具有进水端、第一出水端和第二出水端,所述超滤膜组件通过进水端及第一出水端连接在循环水管路上,并在超滤膜组件的进水端连接有气体输送装置;所述循环水管路上还设置有液体输送装置;所述排水管路与超滤膜组件的第二出水端连通。本装置当超滤膜上截留较多的污物时,对超滤膜进行气洗,然后再用水进行冲洗,与单独的用水洗相比,能够节省冲洗水,而且能清洗的更干净、彻底。

Description

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洗衣水循环利用装置及其清洗方法及节水洗衣控制方法
本发明要求 2012年 11月 26日向中国国家知识产^ ¾提交的、申请号 为 201210488704.9、 名称为 "洗衣水循环利用装置及其清洗方法及节水 洗衣控制方法" 的中国专利申请的优先权。 技术领域
本发明涉及洗衣机,尤其涉及一种洗衣水循环利用装置及其清洗方法 及节水洗衣控制方法。
背景技术
现有的洗衣机的洗涤装置不能循环使用洗衣过程中的水, 洗涤之后还 需要进行多次的漂洗。 每个过程中无论衣物是否干净, 都需重新更换使用 大量清水, 导致清水大量浪费。 当通过使用超滤膜组件将漂洗水进行纯化 循环回用时, 在不影响洗涤效果的前提下, 同时可节约大量清水, 对废水 减排具有重大意义。 现有技术中, 对超滤膜组件进行清洗时多采用水洗的 方式, 存在使用的水量大, 并且不能清洗干净的缺点。
发明内容
在下文中给出了关于本发明的筒要概述,以便提供关于本发明的某些 方面的基本理解。 应当理解, 这个概述并不是关于本发明的穷举性概述。 它并不是意图确定本发明的关键或重要部分,也不是意图限定本发明的范 围。其目的仅仅是以简化的形式给出某些概念, 以此作为稍后论述的更详 细描述的前序。 本发明第一个目的是提供一种能够对超滤膜组件中的超滤膜进行有 效清洗的洗衣水循环利用装置。
本发明的第二个目的是提供一种采用所述的洗衣机洗衣水循环利用 装置的洗衣机的节水洗衣控制方法。 - - 本发明的第三个目的是提供一种洗衣水循环利用装置的清洗方法。 本发明的洗衣机洗衣水循环利用装置, 包括: 洗涤筒、 循环水管路、 排水管路以 ^滤膜组件;
所述循环水管路的进水端与洗涤筒的出水口连通,所述循环水管路的 出水端与所述洗涤筒的进水口连通;
所述超滤膜组件具有进水端、第一出水端和第二出水端,所述超滤膜 组件通过进水端及第一出水端连接在循环水管路上,并在超滤膜组件的进 水端连接有气体输送装置;
所述循环水管路上还设置有液体输送装置;
所述排水管路与超滤膜组件的第二出水端连通。
本发明采用所述洗衣水循环利用装置的洗衣机的节水洗衣控制方法, 包括如下步骤:
在洗衣机的洗涤筒处于洗涤或漂洗工作模式时,开启液体输送装置并 控制循环水管路处于连通状态,以在洗涤或漂洗过程中通过超滤膜组件对 所述洗涤筒内的水进行过滤处理。 本发明的洗衣水循环利用装置的清洗方法, 包括如下步骤:
使气体经过超滤膜组件,对超滤膜组件中的超滤膜进行气洗, 以吹散 超滤膜上拦截的污物。 本发明的有益效果如下:
本发明所述的洗衣水循环利用装置由于在循环水管路中设置有超滤 膜组件, 能够对洗衣污水进行过滤, 可以一边洗涤或漂洗, 一边对洗涤水 或漂洗水进行过滤, 去除水中的污物, 然后再回流至洗涤筒中, 而洗涤水 中的洗衣剂的浓度保持不变,可以有效提高衣物洗净率。并且设置有气体 输送装置,可以在超滤膜组件的超滤膜上截留较多的污物时,对超滤膜进 行气洗,将通过气体输送装置输送的气体的抖散作用将超滤膜表面的污物 剥离膜表面, 然后再用水进行冲洗, 与单独的用水^目比, 能够节省冲洗 水, 而且能清洗的更干净、 彻底。 本发明采用所述洗衣水循环利用装置的洗衣机的节水洗衣控制方法, 能够对洗衣污水进行过滤,可以一边洗涤或漂洗,一边对洗涤水或漂洗水 进行过滤, 去除水中的污物, 然后再回流至洗涤筒中, 而洗涤水中的洗衣 剂的浓度保持不变, 可以有效提高衣物洗净率。 本发明洗衣水循环利用装置的清洗方法,使气体经过超滤膜组件,对 超滤膜组件中的超滤膜进行气洗,以吹散超滤膜上拦截的污物。不仅节水, 而且能够将洗衣水循环利用装置中的超滤膜清洗的更干净, 更彻底。
通过以下结合附图对本发明的最佳实施例的详细说明,本发明的这些 以及其它的优点将更加明显。
附图说明
本发明可以通过参考下文中结合附图所给出的描述而得到更好的理 解,其中在所有附图中使用了相同或相似的附图标记来表示相同或者相似 的部件。所述附图连同下面的详细说明一起包含在本说明书中并且形成本 说明书的一部分,而且用来进一步举例说明本发明的优选实施例和解释本 发明的原理和优点。 在附图中: 图 1为本发明实施例二的洗衣机洗衣水循环利用装置的结构示意图; 图 2为本发明实施例三的洗衣机洗衣水循环利用装置的结构示意图。 图中标记示意为:
1-第二三通阀; 2 -洗涤内筒; 4 -水泵; 5 -超滤膜组件;
6 -第一三通阀; 7 -排水阀; 8 -气泵; 9 -一次水进水管路;
10 -排水管路; 11 -超滤膜组件进水管路; 12 -超滤膜组件出水管路;
13 -压力传感器。 本领域技术人员应当理解,附图中的元件仅仅是为了简单和清楚起见 而示出的, 而且不一定是按比例绘制的。 例如, 附图中某些元件的尺寸可 能相对于其他元件放大了, 以便有助于提高对本发明实施例的理解。 - -
具体实施方式
在下文中将结合附图对本发明的示范性实施例进行详细描述。为了清 楚和简明起见, 在说明书中并未描述实际实施方式的所有特征。 然而, 应 该了解,在开发任何这种实际实施例的过程中必须做出很多特定于实施方 式的决定, 以便实现开发人员的具体目标, 例如, 符合与系统及业务相关 的那些限制条件,并且这些限制条件可能会随着实施方式的不同而有所改 变。 此外, 还应该了解, 虽然开发工作有可能是非常复杂和费时的, 但对 得益于^开内容的本领域技术人员来说,这种开发工作仅仅是例行的任 务。
在此,还需要说明的一点是,为了避免因不必要的细节而模糊了本发 明,在附图和说明中仅仅描述了与根据本发明的方案密切相关的装置结构 和 /或处理步骤, 而省略了对与本发明关系不大的、 本领域普通技术人员 已知的部件和处理的表示和描述。 实施例一
本实施例的洗衣机洗衣水循环利用装置,包括:洗涤筒、循环水管路、 排水管路以 ^滤膜组件;
所述循环水管路的进水端与洗涤筒的出水口连通,所述循环水管路的 出水端与所述洗涤筒的进水口连通;
所述超滤膜组件具有进水端、第一出水端和第二出水端,所述超滤膜 组件通过进水端及第一出水端连接在循环水管路上,并在超滤膜组件的进 水端连接有气体输送装置;
所述循环水管路上还设置有液体输送装置;
所述排水管路与超滤膜组件的第二出水端连通。
所述的洗衣水循环利用装置由于在循环水管路中设计有超滤膜组件, 能够对洗衣污水进行过滤,可以一边洗涤或漂洗,一边对洗涤水或漂洗水 进行过滤, 去除水中的污物, 然后再回流至洗涤筒中, 而洗涤水中的洗衣 剂的浓度保持不变,可以有效提高衣物洗净率。并且设置有气体输送装置, 可以在超滤膜组件的超滤膜上截留较多的污物时,对超滤膜进行气洗,将 通过气体输送装置输送的气体的抖散作用将超滤膜表面的污物剥离膜表 - - 面, 然后再用水进行冲洗, 与单独的用水^目比, 能够节省冲洗水, 而且 克服了单独水洗时, 污物在超滤膜上不易冲洗掉的缺点, 能将超滤膜清洗 的更干净、 彻底。
本实施例中,所述气体输送装置可以为气泵,所述液体输送装置可以 为水泵。
本实施例中, 优选的, 在循环水管路上设置有阀门, 在所述排水管路 上设置有排水阀。 以方便对洗衣机洗衣水循环利用装置的使用进行控制。
本实施例中,优选的,所述洗衣机洗衣水循环利用装置还包括一次水 进水管路,所述一次水进水管路与所述进水口连通; 所述循环水管路包括 超滤膜组件进水管路和超滤膜组件出水管路;所述超滤膜组件进水管路上 设置有第一三通阀,所述气泵的输出端与所述第一三通阀连通; 所述一次 水进水管路上设置有第二三通阀,所述超滤膜组件出水管路的出水端与所 述的第二三通阀连通。 如此设计, 通过改变第一三通阀的阀向, 可以选择 使超滤膜组件进水管路与洗涤筒连通,对洗涤水进行过滤,或使超滤膜组 件的进水端与所述气泵连通,对超滤膜组件进行气洗;通过改变第二三通 阀的阀向,可以选择使一次水进水管路与洗涤筒的进水口连通,往洗涤筒 内注入未使用的一次水(自来水),或者使超滤膜组件出水管路与洗涤筒连 通, 往洗涤筒内注入过滤后的洗衣水。
本实施例中,优选的,所述第一三通阀、第二三通阀均为电磁三通阀, 所述排水阀为电磁排水阀或电动排水阀。如此设置,可以通过自动控制的 方法控制第一三通阀、 第二三通阀的阀向及排水阀的阀向。
本实施例中, 优选的, 所述超滤膜组件的超滤膜材质为中空纤维膜, 如聚氯乙烯 (PVC) , 聚醚砜 (PES) , 聚丙烯 (PP), 聚偏氟乙烯 (PVDF) , 聚 丙烯腈 (PAN)等。
本实施例中, 优选的, 还包括:
设置在超滤膜组件上设置有用于检测超滤膜组件膜表面压力(即超滤 膜组件膜表面的水压, 下同)的压力传感器;
对洗涤或 /和超滤膜清洗过程进行控制的控制器;
以及与压力传感器及控制器相连的比较器; - - 所述比较器中预存有超滤膜组件膜表面压力的预设阈值,
所述压力传感器检测到超滤膜组件膜表面当前压力值信号后发送给 比较器;
所述比较器用于接收压力传感器发送的超滤膜组件膜表面当前压力 值信号 ,并将接收到的超滤膜组件膜表面当前压力值信号与预设阈值的大 小进行比较, 然后将比较结果发送给控制器;
所述控制器,用于在比较器接收到的超滤膜组件膜表面当前压力值信 号大于或等于预设阈值时启动气泵对超滤膜进行气洗。
在超滤膜组件膜表面当前压力达到预设阈值时,控制器控制启动气泵 对超滤膜进行清洗, 防止超滤膜上截留的污物过多,超滤膜因压力过大而 本实施例中,优选的, 还包括对洗涤或 /和超滤膜清洗过程进行控制 的控制器, 以便对洗涤或 /和超滤膜清洗过程进行自动控制。
本实施例中, 优选的, 还包括与压力传感器及控制器相连的比较器, 所述比较器中预存有超滤膜组件膜表面压力的预设阈值,
所述压力传感器检测到超滤膜组件膜表面当前的压力值信号后发送 给比较器;
所述比较器用于接收压力传感器发送的超滤膜组件膜表面当前的压 力值信号,并将接收到的超滤膜组件膜表面当前的压力值信号与预设阈值 的大小进行比较, 然后将比较结果发送给控制器;
所述控制器,用于在比较器接收到的超滤膜组件膜表面当前压力值信 号大于或等于预设阈值时启动气泵对超滤膜进行气洗。 实施例二
参见图 1, 本实施例的洗衣机洗衣水循环利用装置, 包括: 洗涤筒 2、 循环水管路、 排水管路 10以及超滤膜组件 5;
所述循环水管路的进水端与洗涤筒 2的出水口连通,所述循环水管路 的出水端与所述洗涤筒 2的进水口连通; - - 所述超滤膜组件 5具有进水端、第一出水端和第二出水端,所述超滤 膜组件 5通过进水端及第一出水端连接在循环水管路上,并在超滤膜组件 5的进水端连接有气体输送装置, 所述气体输送装置可以采用气泵 8; 所述循环水管路上还设置有液体输送装置,所述液体输送装置可以为 水泵 4;
所述排水管路 10与超滤膜组件 5的第二出水端连通。
优选的, 在循环水管路上设置有阀门, 在所述排水管路 10上设置有 排水阀 7。
优选的,所述洗衣机洗衣水循环利用装置还包括一次水进水管路,所 述一次水进水管路与所述进水口连通;所述循环水管路包括与超滤膜组件 的进水端连接的超滤膜组件进水管路 11和与超滤膜组件的第一出水端连 接的超滤膜组件出水管路 12;所述阀门包括第一三通阀 6和第二三通阀 1, 所述第一三通阀 6设置在超滤膜组件进水管路 11上, 所述气泵 8的输出 端与所述第一三通阀 6连通;所述第二三通阀 1设置在所述一次水进水管 路 9上,所述超滤膜组件出水管路 12的出水端与所述第二三通阀 1连通。 如此设计,通过改变第一三通阀 6的阀向,可以选择使超滤膜组件进水管 路 11与洗涤筒连通, 对洗涤水进行过滤, 或使超滤膜组件 5的进水端与 所述气泵连通,对超滤膜组件 5进行气洗;通过改变第二三通阀 1的阀向, 可以选择使一次水进水管路 9与洗涤筒 2的进水口连通,往洗涤筒 2内注 入未使用的一次水, 或者使超滤膜组件出水管路 12与洗涤筒 2连通, 往 洗涤筒 2内注入过滤后的洗涤水。
所述第一三通阀 6、 第二三通阀 1均为电磁三通阀, 所述排水阀 7为 电磁排水阀。 如此设置, 可以通过自动控制的方法控制第一三通阀 6、 第 二三通阀 1的阀向及排水阀 7的阀向。
本实施例的洗衣机洗衣水循环利用装置还包括用于对洗涤过程进行 控制的控制器(图中未示出), 当洗涤或 /和漂洗时, 所述控制器控制执行 以下动作:
开启水泵 4;
控制第一三通阀 6将超滤膜组件 5的进水端与水泵 4连通; - - 控制第二三通阀 1将超滤膜组件 5的第一出水端与洗涤筒 2连通; 当洗涤时间达到设定值时, 所述控制器控制执行以下动作:
控制第一三通阀 6将超滤膜组件 5的进水端与气泵 8连通;
关闭第二三通阀 1打开排水阀 7;
打开气泵 8对超滤膜进行气洗, 达到设定的气洗时间后,所述控制器 控制执行以下动作:
关闭气泵 8;
控制第一三通阀 6将超滤膜组件的进水端与水泵 4连通,对超滤膜用 水进行冲洗。
通过控制器可以对洗涤过程进行控制,并在洗涤结束后,对超滤膜组 件 5的气洗及水洗进行控制, 具有自动化程度高, 便于用户使用的优点。
所述超滤膜组件 5的超滤膜材质为中空纤维膜。
本实施例中,超滤膜组件 5中的超滤膜可以有效地截留洗涤过程中产 生的线屑、 污渍等较大颗粒污物, 使水质清澈透明浊度达到 0. 1NTU, 而 洗涤剂基本不截留, 通过使用超滤膜组件将洗涤水进行纯化回用洗涤 /漂 洗, 从而去除水中污渍, 使洗涤剂一直保持很高的有效浓度, 达到在洗衣 机本身设计基础上提高洗净率的目的。 下面给出三个本实施例的洗衣机洗衣水循环利用装置的洗衣过程。 例一、洗衣过程: 自来水经第二三通阀 1进入洗涤筒 2进行衣物的洗 涤过程, 洗涤过程中, 排水阀 7关闭, 洗涤水经过水泵 4, 第一三通阀 6, 超滤膜组件 5净化处理后经超滤膜组件出水管路 12流回洗涤筒 2。 经测 试, 洗涤水经超滤膜组件 5过滤后, 产水浊度由 300NTU降为 0. 5NTU, 由 污浊水变为清凉透明水, 洗涤剂浓度不变,超滤膜组件 5很好的将洗涤剂 剥落的污渍进行了截留。 洗涤结束, 关闭第二三通阀 1, 排水阀 7打开, 洗涤水经过水泵 4, 超滤膜组件进水管路 11, 第一三通阀 6, 超滤膜组件 5, 排水阀 7排放。 洗衣机进入漂洗过程, 此时进入超滤膜组件 5清洗阶 段, 第二三通阀 1关闭, 改变第一三通阀 6的阀向, 使气泵 8与超滤膜组 件 5的进水端连通, 打开气泵 8, 气泵 8的气流经第一三通阀 6, 超滤膜 - - 组件 5, 排水阀 7形成气洗回路进行气洗, 气洗结束后, 气泵 8关闭, 改 变第一三通阀 6的阀向,使超滤膜组件 5的进水端与水泵 4连通,待漂洗 水排水经水泵 4, 超滤膜组件进水管路 11 , 第一三通阀 6, 超滤膜组件 5, 排水阀 7排放对超滤膜组件 5进行水清洗再生, 然后进行排水, 完成洗衣 过程。
例二、 洗衣过程: 自来水经第二三通阀 1进入洗涤筒 2进行衣物的 正常洗涤过程。 洗涤结束, 第二三通阀 1关闭, 排水阀 7打开, 洗涤水经 过水泵 4, 超滤膜组件进水管路 12, 第一三通阀 6, 超滤膜组件 5, 排水 阀 7排放。 洗衣机进入漂洗过程, 漂洗过程中, 排水阀 7关闭, 漂洗水经 过水泵 4, 超滤膜组件进水管路 11, 第一三通阀 6, 超滤膜组件 5净化处 理后经管超滤膜组件出水管路 12流回洗涤筒 2形成循环回路, 边漂洗边 进行膜处理产水循环回用, 不断将漂洗过程中产生的污物截留,使漂洗水 浊度由 100- 120NTU降为类自来水 0. 5-1. 5NTU。此时进入超滤膜组件清洗 阶段, 关闭第二三通阀 1, 改变第一三通阀 6的阀向, 使气泵 8与超滤膜 组件 5的进水端连通, 打开气泵 8, 气泵 8的气流经第一三通阀 6, 超滤 膜组件 5, 排水阀 7形成气洗回路进行气洗, 气洗结束后, 气泵 8关闭, 改变第一三通阀 6的阀向,使超滤膜组件 5的进水端与水泵 4连通,待漂 洗水排水经水泵 4, 超滤膜组件进水管路 11, 第一三通阀 6, 超滤膜组件 5, 排水阀 7排放对超滤膜组件 5进行水清洗再生, 然后进行排水, 完成 洗衣过程。
例三、 洗衣过程: 自来水经第二三通阀 1进入洗涤筒 2进行衣物的 洗涤过程, 洗涤过程中, 排水阀 7关闭, 洗涤水经过水泵 4, 第一三通阀 6, 超滤膜组件 5净化处理后经超滤膜组件出水管路 12流回洗涤外筒 3。 测试洗涤水与超滤膜组件产水浊度由 300NTU降为 0. 5NTU, 由污浊水变为 清凉透明水, 洗涤剂浓度不变,超滤膜组件 5很好的将洗涤剂剥落的污渍 进行了截留。 洗涤结束, 第一三通阀 6关闭, 排水阀 7打开, 洗涤水经过 水泵 4, 超滤膜组件进水管路 11 , 第一三通阀 6, 超滤膜组件 5, 排水阀 7排放。 洗衣机进入漂洗过程, 漂洗过程中, 漂洗水同洗涤过程一样形成 循环回路,边漂洗边进行膜处理产水循环回用, 不断将漂洗过程中产生的 - - 污物截留, 使漂洗水浊度由 100- 120NTU降为类自来水 0. 5-1. 5NTU。 此时 ^超滤膜组件 5清洗阶段, 第二三通阀 1关闭, 改变第一三通阀 6的阀 向, 使气泵 8与超滤膜组件 5的进水端连通, 打开气泵 8, 气泵 8的气流 经第一三通阀 6, 超滤膜组件 5, 排水阀 7形成气洗回路进行气洗, 气洗 结束后, 气泵 8关闭, 改变第一三通阀 6的阀向, 使超滤膜组件的进水端 与水泵 4连通, 待漂洗水排水经水泵 4, 超滤膜组件进水管路 11, 第一三 通阀 6, 超滤膜组件 5, 排水阀 7排放对超滤膜组件 5进行水清洗再生, 然后进行^ 水, 完成洗衣过程。 实施例三
参见图 2 , 本实施例的洗衣机洗衣水循环利用装置, 包括: 洗涤筒 2、 循环水管路、 排水管路 10以及超滤膜组件 5;
所述循环水管路的进水端与洗涤筒 2的出水口连通,所述循环水管路 的出水端与所述洗涤筒 2的进水口连通;
所述超滤膜组件 5具有进水端、第一出水端和第二出水端,所述超滤 膜组件 5通过进水端及第一出水端连接在循环水管路上,并在超滤膜组件 5的进水端连接有气泵;
所述循环水管路上还设置有水泵 4;
所述排水管路 10与超滤膜组件 5的第二出水端连通。
优选的, 在循环水管路上设置有阀门, 在所述排水管路 10上设置有 排水阀 7。
优选的,所述洗衣机洗衣水循环利用装置还包括一次水进水管路,所 述一次水进水管路与所述进水口连通;所述循环水管路包括与超滤膜组件 的进水端连接的超滤膜组件进水管路 11和与超滤膜组件的第一出水端连 接的超滤膜组件出水管路 12;所述阀门包括第一三通阀 6和第二三通阀 1, 所述第一三通阀 6设置在超滤膜组件进水管路 11上, 所述气泵 8的输出 端与所述第一三通阀 6连通;所述第二三通阀 1设置在所述一次水进水管 路 9上,所述超滤膜组件出水管路 12的出水端与所述第二三通阀 1连通。 如此设计,通过改变第一三通阀 6的阀向,可以选择使超滤膜组件进水管 - - 路 11与洗涤筒连通, 对洗涤水进行过滤, 或使超滤膜组件 5的进水端与 所述气泵连通,对超滤膜组件 5进行气洗;通过改变第二三通阀 1的阀向, 可以选择使一次水进水管路 9与洗涤筒的进水口连通,往洗涤筒内注入未 使用的一次水, 或者使超滤膜组件出水管路 12与洗涤筒连通, 往洗涤筒 2内注入过滤后的洗衣污水。
所述第一三通阀 6、 第二三通阀 1均为电磁三通阀, 所述排水阀 7为 电磁排水阀。 如此设置, 可以通过自动控制的方法控制第一三通阀 6、 第 二三通阀 1的阀向及排水阀 7的阀向。
本实施例中,优选的,所述超滤膜组件 5的超滤膜材质为中空纤维膜。 本实施例中,所述超滤膜组件 5上设置有用于检测超滤膜组件膜表面 压力的压力传感器 13, 可以给出超滤膜组件 5的超滤膜的压力值, 在压 力达到一定值时, 启动气泵 8对超滤膜进行清洗, 防止超滤膜上截留的污 物过多, 超滤膜因压力过大而破损。
本实施例中, 优选的, 还包括与压力传感器 13及控制器相连的比较 器(图中未示出),
所述比较器中预存有超滤膜组件膜表面压力的预设阈值,
所述压力传感器 13检测到超滤膜组件膜表面的压力值信号后发送给 比较器;
所述比较器用于接收压力传感器 13发送的超滤膜组件膜表面的压力 值信号,并将接收到的超滤膜组件膜表面的压力值信号与预设阈值的大小 进行比较, 然后将比较结果发送给控制器;
所述控制器,用于在比较器接收到的超滤膜组件膜表面压力值信号大 于或等于预设阈值时启动气泵对超滤膜进行气洗。 实施例四
本实施例提供了一种用于实施例一中的洗衣机洗衣水循环利用装置 的节水洗衣控制方法, 步骤如下: - - 在洗衣机的洗涤筒处于洗涤或漂洗工作模式时,开启液体输送装置并 控制循环水管路处于连通状态,以在洗涤或漂洗过程中通过超滤膜组件对 所述洗涤筒内的水进行过滤处理。
通过这种边洗涤 /漂洗边对洗衣水进行过滤的方式,能够在洗涤 /漂洗 过程中, 有效降低洗涤水 /漂洗水中的污渍含量, 而洗衣剂的浓度保持不 变, 提高衣物的洗净率。
本实施例中, 所述的节水洗衣控制方法还优选包括以下步骤: 在洗衣机的洗涤筒处于洗涤或漂洗工作模式时获取所述超滤膜组件 的膜表面压力;
在所述超滤膜组件的超滤膜组件膜表面当前压力超过预设阈值时,控 制循环水管路处于截止状态,开启气体输送装置并连通排水管路, 以使所 述气体输送装置对所述超滤膜进行气洗处理;
在所述气泵工作超过预设时长时, 关闭所述气泵,开启液体输送装置 并控制排水管路处于连通状态,以使所述液体输送装置对所述超滤膜进行 水洗处理并将水洗杂物经所述排水管路排出;直至超滤膜组件膜表面当前 压力小于预设阈值时, 控制循环水管路处于连通状态。
通过此方式, 可以在洗涤 /漂洗过程中, 对超滤膜组件膜表面压力进 行实时监控,并在超滤膜组件膜表面拦截有较多污渍时, 即时对超滤膜进 行清洗, 能够有效的保护超滤膜组件, 延长超滤膜组件的使用寿命。
下面结合附图给出两个本洗衣机洗衣水循环利用装置的具体实施例, 以便本领域技术人员更清楚的理解本发明的技术方案。 实施例五
本实施例提供一种用于实施例一中所述的洗衣水循环利用装置的清 洗方法, 包括如下步骤:
使气体经过超滤膜组件,对超滤膜组件中的超滤膜进行气洗, 以吹散 超滤膜上拦截的污物。
通过气洗的方式对洗衣水循环利用装置中的超滤膜进行清洁,不仅节 水, 而且能够将洗衣水循环利用装置中的超滤膜清洗的更干净, 更彻底。 - - 可选的, 在所述气洗步骤之后, 还包括用水冲洗超滤膜, 以将吹散的 污物冲洗掉的步骤。
如此,通过气体的抖散作用将超滤膜表面的污物剥离膜表面, 然后再 用水进行冲洗, 与单独的用水^目比, 能够节省冲洗水, 而且能清洗的更 干净、 彻底。
可选的,所述气体为压缩气体,且所述用水冲洗超滤膜为用水对超滤 膜进行正向冲洗,以使洗衣水循环利用装置中的超滤膜获得更好洁净的清 洗效果。
最后应说明的是: 以上实施例仅用以说明本发明的技术方案, 而非对 其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通 技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修 改, 或者对其中部分技术特征进行等同替换; 而这些修改或者替换, 并不 使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。
虽然已经详细说明了本发明及其优点,但是应当理解在不脱离由所附 的权利要求所限定的本发明的精神和范围的情况下可以进行各种改变、替 代和变换。
最后, 还需要说明的是, 在本文中, 诸如第一和第二等之类的关系术 语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定 要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而 且, 术语"包括"、 "包含"或者其任何其他变体意在涵盖非排他性的包含, 从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素, 而且还包括没有明确列出的其他要素, 或者是还包括为这种过程、 方法、 物品或者设备所固有的要素。 在没有更多限制的情况下, 由语句 "包括一 个 ...... "限定的要素, 并不排除在包括所述要素的过程、 方法、 物品或者 设备中还存在另外的相同要素。
以上虽然结合附图详细描述了本发明的实施例,但^ ί当明白,上面 所描述的实施方式只是用于说明本发明, 而并不构成对本发明的限制。对 于本领域的技术人员来说,可以在不偏离本发明的精神和范围的情况下对 上述实施方式作出各种修改和变更。 因此,本发明的范围仅由所附的权利 要求及其等效内容来限定。

Claims

权利 要求 书
1.一种洗衣水循环利用装置, 其特征在于, 包括: 洗涤筒、 循环水管 路、 排水管路以及超滤膜组件;
所述循环水管路的进水端与洗涤筒的出水口连通,所述循环水管路的 出水端与所述洗涤筒的进水口连通;
所述超滤膜组件具有进水端、第一出水端和第二出水端, 所述超滤膜 组件通过进水端及第一出水端连接在循环水管路上,并在超滤膜组件的进 水端连接有气体输送装置;
所述循环水管路上还设置有液体输送装置;
所述排水管路与超滤膜组件的第二出水端连通。
2.根据权利要求 1所述的洗衣水循环利用装置, 其特征在于, 所述 气体输送装置为气泵, 所述液体输送装置为水泵。
3.根据权利要求 1所述的洗衣水循环利用装置, 其特征在于, 在循 环水管路上设置有阀门, 在所述排水管路上设置有排水阀。
4. 根据权利要求 3所述的洗衣水循环利用装置, 其特征在于, 还包 括一次水进水管路,所述一次水进水管路与所述进水口连通; 所述循环水 管路包括与超滤膜组件的进水端连接的超滤膜组件进水管路和与超滤膜 组件的第一出水端连接的超滤膜组件出水管路;所述阀门包括第一三通阀 和第二三通阀, 所述第一三通阀设置在超滤膜组件进水管路上,所述气泵 的输出端与所述第一三通阀连通;所述第二三通阀设置在所述一次水进水 管路上, 所述超滤膜组件出水管路的出水端与所述第二三通阀连通。
5.根据权利要求 4所述的洗衣水循环利用装置, 其特征在于, 所述第 一三通阀、第二三通阀均为电磁三通阀, 所述排水阀为电磁排水阀或电动 排水阀。
6.根据权利要求 1 - 5任一项所述的洗衣水循环利用装置, 其特征在 于, 所述超滤膜组件的超滤膜材质为中空纤维膜。
7.根据权利要求 1 - 5任一项所述的洗衣水循环利用装置, 其特征在 于, 还包括:
设置在超滤膜组件上设置有用于检测超滤膜组件膜表面压力的压力 传感器;
对洗涤或 /和超滤膜清洗过程进行控制的控制器;
以及与压力传感器及控制器相连的比较器;
所述比较器中预存有超滤膜组件膜表面压力的预设阈值,
所述压力传感器检测到超滤膜组件膜表面当前压力值信号后发送给 比较器;
所述比较器用于接收压力传感器发送的超滤膜组件膜表面当前压力 值信号,并将接收到的超滤膜组件膜表面当前压力值信号与预设阈值的大 小进行比较, 然后将比较结果发送给控制器;
所述控制器,用于在比较器接收到的超滤膜组件膜表面当前压力值信 号大于或等于预设阈值时启动气体输送装置对超滤膜进行气洗。
8. 一种采用权利要求 1-7任一项所述的洗衣水循环利用装置的洗衣 机的节水洗衣控制方法, 其特征在于, 包括以下步骤:
在洗衣机的洗涤筒处于洗涤或漂洗工作模式时,开启液体输送装置并 控制循环水管路处于连通状态,以在洗涤或漂洗过程中通过超滤膜组件对 所述洗涤筒内的水进行过滤处理。
9.根据权利要求 8所述的节水洗衣控制方法, 其特征在于, 还包括以 下步骤:
在洗衣机的洗涤筒处于洗涤或漂洗工作模式时获取所述超滤膜组件 膜表面当前压力;
在所述超滤膜组件膜表面当前压力超过预设阈值时,控制循环水管路 处于截止状态,开启气体输送装置并连通排水管路, 以使所述气体输送装 置对所述超滤膜进行气洗处理;
在所述气体输送装置工作超过预设时长时, 关闭所述气泵,开启液体 输送装置并控制排水管路处于连通状态,以使所述液体输送装置对所述超 滤膜进行水洗处理并将水洗杂物经所述排水管路排出;直至超滤膜组件膜 表面当前压力小于预设阈值时, 控制循环水管路处于连通状态。
10.—种权利要求 1-7任一项所述的洗衣水循环利用装置的清洗方法, 其特征在于, 包括如下步骤:
使气体经过超滤膜组件,对超滤膜组件中的超滤膜进行气洗, 以吹散 超滤膜上拦截的污物。
11.才艮据权利要求 10所述的洗衣水循环利用装置的清洗方法, 其特 征在, 在所述气洗步骤之后, 还包括用水冲洗超滤膜, 以将吹散的污物冲 洗掉的步骤。
12.根据权利要求 10所述的洗衣水循环利用装置的清洗方法, 其特 征在, 所述气体为压缩气体,且所述用水冲洗超滤膜为用水对超滤膜进行 正向冲洗。
PCT/CN2013/082607 2012-11-26 2013-08-29 洗衣水循环利用装置及其清洗方法及节水洗衣控制方法 WO2014079253A1 (zh)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108557957A (zh) * 2018-06-29 2018-09-21 天津凯英科技发展股份有限公司 一种石材加工一体化污水处理装置及其处理方法
EP3279390A4 (en) * 2015-03-30 2018-12-05 Qingdao Haier Washing Machine Co., Ltd. Washing machine control method and washing machine
CN110051310A (zh) * 2019-05-24 2019-07-26 白斌将 清洗机
WO2020200453A1 (en) * 2019-04-04 2020-10-08 Planet Care Rešitve Za Okolje, D.O.O Filtering device and method for removing particles and fibers, in particular microfibers, from washing water in a washing drum
CN115506113A (zh) * 2022-09-22 2022-12-23 南宁市金搓板洗涤有限责任公司 一种衣物洗涤烘干处理装置及其操作方法
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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104294550A (zh) * 2013-06-28 2015-01-21 海尔集团技术研发中心 过滤装置、洗衣机和洗衣控制方法
CN105316913B (zh) * 2014-07-08 2020-07-07 青岛海尔智能技术研发有限公司 洗衣机以及对洗衣机的过滤组件进行清洗的控制方法
CN105506934B (zh) * 2014-09-22 2019-08-09 青岛海尔智能技术研发有限公司 洗衣机的过滤组件的自清洁方法
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CN105420989B (zh) * 2014-09-22 2023-04-25 青岛海尔智能技术研发有限公司 洗衣机以及具有循环水过滤系统的洗衣机的控制方法
CN105506914A (zh) * 2014-09-22 2016-04-20 青岛海尔智能技术研发有限公司 洗衣机以及具有循环水过滤系统的洗衣机的控制方法
CN105442274B (zh) * 2014-09-22 2019-02-19 青岛海尔智能技术研发有限公司 洗衣机
CN105506931B (zh) * 2014-09-22 2019-07-12 青岛海尔智能技术研发有限公司 对洗衣机循环水过滤系统中的过滤组件进行清洗的方法
CN105648710B (zh) * 2014-11-13 2019-07-23 青岛海尔滚筒洗衣机有限公司 一种洗衣机水过滤系统及其控制方法、洗衣机
CN104475410B (zh) * 2014-11-28 2017-01-25 上海承瑶环保科技有限公司 一种洗瓶过程中洗液循环处理系统及其工艺
CN109394121B (zh) * 2018-12-06 2020-06-02 赵师华 连续清洗设备管控机构
CN113389003B (zh) * 2021-06-18 2023-06-09 重庆泰吉电子有限公司 移动式一体化洗衣干衣系统
CN116065339A (zh) * 2021-11-02 2023-05-05 青岛海尔洗涤电器有限公司 一种洗衣机的控制方法及洗衣机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004008280A (ja) * 2002-06-04 2004-01-15 Hitachi Home & Life Solutions Inc 洗濯乾燥機
CN201258412Y (zh) * 2008-10-24 2009-06-17 卢菁 一种洗衣机废水循环利用装置
CN201972020U (zh) * 2010-12-30 2011-09-14 海尔集团公司 双排水管路节水洗衣机
CN202247414U (zh) * 2011-08-09 2012-05-30 海尔集团公司 一种用于循环洗洗衣机的自清洁过滤器及其洗衣机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7069303B2 (en) * 2003-08-21 2006-06-27 Par3 Communications, Inc. Method and system for regulating the dispatching of messages for requestors
CN201390906Y (zh) * 2009-03-13 2010-01-27 周晓光 一种循环节水洗衣机
CN201534988U (zh) * 2009-05-22 2010-07-28 梁乾朝 一种洗衣机中水再利用装置
CN201643839U (zh) * 2010-02-01 2010-11-24 北京纬纶华业环保科技股份有限公司 错流式精细过滤器
CN102767067A (zh) * 2012-08-13 2012-11-07 王国全 一种无排水的循环滤水洗衣机及其洗衣方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004008280A (ja) * 2002-06-04 2004-01-15 Hitachi Home & Life Solutions Inc 洗濯乾燥機
CN201258412Y (zh) * 2008-10-24 2009-06-17 卢菁 一种洗衣机废水循环利用装置
CN201972020U (zh) * 2010-12-30 2011-09-14 海尔集团公司 双排水管路节水洗衣机
CN202247414U (zh) * 2011-08-09 2012-05-30 海尔集团公司 一种用于循环洗洗衣机的自清洁过滤器及其洗衣机

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US10604884B2 (en) 2015-03-30 2020-03-31 Qingdao Haier Washing Machine Co., Ltd. Washing machine control method and washing machine
CN108557957A (zh) * 2018-06-29 2018-09-21 天津凯英科技发展股份有限公司 一种石材加工一体化污水处理装置及其处理方法
CN108557957B (zh) * 2018-06-29 2023-10-24 天津凯英科技发展股份有限公司 一种石材加工一体化污水处理装置及其处理方法
WO2020200453A1 (en) * 2019-04-04 2020-10-08 Planet Care Rešitve Za Okolje, D.O.O Filtering device and method for removing particles and fibers, in particular microfibers, from washing water in a washing drum
CN110051310A (zh) * 2019-05-24 2019-07-26 白斌将 清洗机
CN110051310B (zh) * 2019-05-24 2024-04-16 白斌将 清洗机
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