CN111003766A - Electrodialysis water purification system and water purifier capable of increasing electrode reversing speed - Google Patents

Electrodialysis water purification system and water purifier capable of increasing electrode reversing speed Download PDF

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Publication number
CN111003766A
CN111003766A CN201911420227.0A CN201911420227A CN111003766A CN 111003766 A CN111003766 A CN 111003766A CN 201911420227 A CN201911420227 A CN 201911420227A CN 111003766 A CN111003766 A CN 111003766A
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water
electromagnetic valve
tank
pipeline
water outlet
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陈小平
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Guangdong Lizi Technology Co Ltd
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Foshan Viomi Electrical Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4693Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis

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  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

An electrodialysis water purification system and a water purifier for improving the pole-reversing speed are provided, wherein the water purifier carries out water purification through a water purification system, and the water purification system is provided with a raw water tank, an auxiliary water tank, an EDR unit, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve. The water outlet of the raw water tank is connected with the water inlet of the auxiliary water tank, one end of the water outlet of the auxiliary water tank is connected with the first water inlet and the second water inlet of the EDR unit respectively, the first water outlet of the EDR unit is communicated with the pure water pipeline through a first electromagnetic valve, the second water outlet of the EDR unit is communicated with the concentrated water pipeline through a second electromagnetic valve, and the raw water tank is communicated with the concentrated water pipeline through a third electromagnetic valve. When the former water tank water yield is not enough, the expansion tank keeps having water state and makes water purification system continue to carry out the water purification, through three solenoid valve control waste water flow to, when the system falls utmost point, waste water passes through the expansion tank and replaces in whole water route, and the water purification system of this water purifier has and shortens the time of falling utmost point, improves the efficiency of falling utmost point, improves the advantage that the user used experience.

Description

Electrodialysis water purification system and water purifier capable of increasing electrode reversing speed
Technical Field
The invention relates to the technical field of water purifiers, in particular to an electrodialysis water purification system capable of improving the pole-reversing speed and a water purifier.
Background
In the reverse osmosis membrane technology in the prior art, the quality of produced water cannot be adjusted again, namely, produced concentrated water cannot be filtered and utilized again, so that waste of water resources is caused, after the proportion of pure water to concentrated water in the produced water of the system exceeds 3:1, the risk of operation of a reverse osmosis membrane is increased, the purification rate is reduced, the quality of the produced water is correspondingly deteriorated, the service life of a water purification system can be prolonged through the pole-reversing action of electrodialysis, the pole-reversing is required to be performed at a fixed period by the electrodialysis, the desalination and water purification performance of the water purification system is unstable due to too long interval period of pole-reversing, the desalination and water purification function of the system cannot be performed in the pole-reversing process, the pole-reversing requires a certain time to be performed, and the use experience of a user is influenced if the interval time of pole-reversing is too short.
Therefore, it is necessary to provide an electrodialysis water purification system and a water purifier with improved electrode-reversing speed to overcome the deficiencies of the prior art.
Disclosure of Invention
One of the objectives of the present invention is to provide an electrodialysis water purification system with improved pole-reversing speed, wherein when the amount of water in the raw water tank is insufficient or the raw water tank is removed by a user, the auxiliary water tank holds a water state to enable the whole water purification system to continue to purify water, the three-way electromagnetic valve controls the flow direction of wastewater, and when the system reverses pole, the wastewater is replaced in the whole water path through the auxiliary water tank, so that the electrodialysis water purification system has the characteristics of shortening pole-reversing time, improving pole-reversing efficiency and improving user experience.
The object of the invention is achieved by the following technical measures.
The utility model provides an improve electrodialysis water purification system of speed of falling utmost point is provided with former water tank, expansion tank, EDR unit, first solenoid valve, second solenoid valve and third solenoid valve. The EDR unit is provided with first water inlet, second water inlet, first delivery port and second delivery port, and the delivery port of former water tank is connected with the water inlet of expansion tank, and expansion tank's delivery port one end is connected respectively with the first water inlet and the second water inlet of EDR unit, and the first delivery port of EDR unit passes through first solenoid valve and pure water pipeline intercommunication, and the second delivery port of EDR unit passes through second solenoid valve and dense water pipeline intercommunication, and former water tank passes through third solenoid valve and dense water pipeline intercommunication. The auxiliary water tank is arranged at the water outlet position of the original water tank, raw water flowing out of the original water tank enters the EDR unit for desalination and purification after passing through the auxiliary water tank, when the water amount of the original water tank is insufficient or a user takes off the original water tank, the auxiliary water tank still keeps a water state, and the water purification system can work normally.
Preferably, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are provided with switching channels, in the reversed pole washing process, the first water outlet of the EDR unit is connected with a concentrated water pipeline through the switching channel of the first electromagnetic valve, the second water outlet of the EDR unit is connected with the concentrated water pipeline through the second electromagnetic valve, and the auxiliary water tank is communicated with the concentrated water pipeline through the switching channel of the third electromagnetic valve.
After the positive electrode and the negative electrode of the EDR unit are switched, the first water outlet of the EDR unit is connected with a concentrated water pipeline through a switching channel of a first electromagnetic valve, the second water outlet of the EDR unit is connected with a pure water pipeline through a second electromagnetic valve, and the raw water tank is communicated with the concentrated water pipeline through a third electromagnetic valve.
Preferably, the first electromagnetic valve is a three-way electromagnetic valve, the switching channel of the first electromagnetic valve is a second water outlet end of the first electromagnetic valve, the water inlet end of the first electromagnetic valve is communicated with a first water outlet end of the EDR unit, the first water outlet end of the first electromagnetic valve is communicated with the pure water pipeline, and the second water outlet end of the first electromagnetic valve is communicated with the concentrated water pipeline.
Preferably, the second electromagnetic valve is a three-way electromagnetic valve, the switching channel of the second electromagnetic valve is a second water outlet end of the second electromagnetic valve, the water inlet end of the second electromagnetic valve is connected with a second water outlet end of the EDR unit, the first water outlet end of the second electromagnetic valve is communicated with the concentrated water pipeline, and the second water outlet end of the second electromagnetic valve is communicated with the purified water pipeline.
Preferably, the third electromagnetic valve is a three-way electromagnetic valve, the switching channel of the third electromagnetic valve is a second water outlet end of the third electromagnetic valve, the water inlet end of the third electromagnetic valve is communicated with the concentrated water pipeline, the first water outlet end of the third electromagnetic valve is communicated with the water inlet of the original water tank, and the second water outlet end of the third electromagnetic valve is communicated with the water inlet of the auxiliary water tank. When the water purification system is in a normal water purification working condition, the first water outlet end of the third electromagnetic valve is opened, the second water outlet end of the third electromagnetic valve is closed, the concentrated water pipeline is communicated with the raw water tank, the concentrated water is filtered and purified again, and the utilization rate of the raw water is improved; when the water purification system is in the pole-reversing working condition, the second water outlet end of the third electromagnetic valve is opened, the first water outlet end of the third electromagnetic valve is closed, the concentrated water pipeline is communicated with the auxiliary water tank, and concentrated water flows in the whole water channel.
Preferably, still be provided with the self priming pump, the pipeline department of the first water inlet of expansion tank and EDR unit, second water inlet intercommunication is assembled in the self priming pump. A suction force is provided for the water in the auxiliary water tank through the self-sucking pump, and the flow speed of the water is accelerated.
Preferably, a front-mounted filter unit is further arranged and assembled at a pipeline communicated with the EDR unit through the self-priming pump. Carry out first heavy filtration to the raw water that gets into the EDR unit through leading filter unit, reduce the macromolecular impurity that gets into the EDR unit, reduce the risk of EDR unit structure.
Preferably, a liquid level sensor for detecting the water level in the raw water tank is further arranged, and the liquid level sensor is assembled at the position where the bottom of the raw water tank is communicated with the auxiliary water tank. The water level in the raw water tank is detected by a liquid level sensor arranged at the bottom of the raw water tank.
Preferably, a waste water proportioner is further arranged, and the waste water proportioner is assembled inside the raw water tank. The water quality in the raw water tank is detected through the waste water proportioner assembled in the raw water tank, when the salt component concentration in the raw water tank reaches a preset value, the raw water tank is detached for water change, the auxiliary water tank still keeps a water state at the moment, and the whole water channel continues to perform desalination and water purification working conditions.
Preferably, a waste water plug for controlling the flow rate of waste water is further arranged, and the waste water plug is assembled at a pipeline where the first water outlet end of the third electromagnetic valve is communicated with the raw water tank.
When the system is in a normal water purification working condition, the second water outlet end of the first electromagnetic valve is closed, the first water outlet end is opened, the second water outlet end of the second electromagnetic valve is closed, the first water outlet end is opened, raw water in the raw water tank flows through the auxiliary water tank, flows through the pre-filter unit under the suction force of the self-priming pump for first re-desalination and water purification, the raw water flowing out of the pre-filter unit enters the first water inlet and the second water inlet of the EDR unit, pure water generated after the EDR unit is desalinated flows out of the first water outlet of the EDR unit and enters the pure water pipeline through the first water outlet end of the first electromagnetic valve, concentrated water generated after the EDR unit is desalinated flows out of the second water outlet of the EDR unit and enters the concentrated water pipeline through the first water outlet end of the second electromagnetic valve, the first water outlet end of the third electromagnetic valve is opened, the second water outlet end is closed, and concentrated water in the concentrated water pipeline enters the raw water tank through the, and desalting and purifying the concentrated water again.
When the waste water proportioner in the raw water tank detects that the salt concentration degree of the water in the raw water tank reaches a preset value, the water purification system enters an electrode reversing working condition, when the electrode reversing working condition starts, the original water tank is detached, the concentrated water in the original water tank is reversed, meanwhile, voltage is reversely applied to the EDR unit, water in the auxiliary water tank flows through the pre-filter unit under the action of the self-priming pump and then enters the first water inlet and the second water inlet of the EDR unit, the first water outlet end of the first electromagnetic valve is closed, the second water outlet end of the first electromagnetic valve is opened, the first water outlet end of the second electromagnetic valve is closed, the second water outlet end of the second electromagnetic valve is opened, concentrated water discharged from the first water outlet of the EDR unit enters the concentrated water pipeline through the second water outlet end of the first electromagnetic valve, the first water outlet end of the third electromagnetic valve is closed, the second water outlet end of the third electromagnetic valve is opened, concentrated water in the concentrated water pipeline enters the auxiliary water tank through the second water outlet end of the third electromagnetic valve, and pure water discharged from the second water outlet of the EDR unit enters the pure water pipeline through the second water outlet.
The invention relates to an electrodialysis water purification system capable of improving the pole-reversing speed. The EDR unit is provided with first water inlet, second water inlet, first delivery port and second delivery port, and the delivery port of former water tank is connected with the water inlet of expansion tank, and expansion tank's delivery port one end is connected respectively with the first water inlet and the second water inlet of EDR unit, and the first delivery port of EDR unit passes through first solenoid valve and pure water pipeline intercommunication, and the second delivery port of EDR unit passes through second solenoid valve and dense water pipeline intercommunication, and former water tank passes through third solenoid valve and dense water pipeline intercommunication. When the former water tank water yield was not enough, the expansion tank kept having water state and made water purification system continue to carry out the water purification, through three way solenoid valve control waste water flow to, when the system carries out the utmost point operating mode, waste water passes through the expansion tank and replaces in whole water route, and this water purification system has and shortens the time of falling utmost point, improves the efficiency of falling utmost point, improves the advantage that the user used experience.
Another object of the present invention is to provide a water purifier, wherein the secondary water tank of the water purification system can normally perform a pole-reversing operation when the amount of water in the primary water tank is insufficient, and the secondary water tank is further provided with an electromagnetic valve to control the flow direction of the generated pure water and concentrated water, so as to improve the utilization rate of water.
The above object of the present invention is achieved by the following technical measures.
Provided is a water purifier, a water purification system of which is provided with a raw water tank, an auxiliary water tank, an EDR unit, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve. The EDR unit is provided with first water inlet, second water inlet, first delivery port and second delivery port, and the delivery port of former water tank is connected with the water inlet of expansion tank, and expansion tank's delivery port one end is connected respectively with the first water inlet and the second water inlet of EDR unit, and the first delivery port of EDR unit passes through first solenoid valve and pure water pipeline intercommunication, and the second delivery port of EDR unit passes through second solenoid valve and dense water pipeline intercommunication, and former water tank passes through third solenoid valve and dense water pipeline intercommunication. The auxiliary water tank is arranged at the water outlet position of the original water tank, raw water flowing out of the original water tank enters the EDR unit for desalination and purification after passing through the auxiliary water tank, when the water amount of the original water tank is insufficient or a user takes off the original water tank, the auxiliary water tank still keeps a water state, and the water purification system can work normally.
Preferably, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are provided with switching channels, in the reversed pole washing process, the first water outlet of the EDR unit is connected with a concentrated water pipeline through the switching channel of the first electromagnetic valve, the second water outlet of the EDR unit is connected with the concentrated water pipeline through the second electromagnetic valve, and the auxiliary water tank is communicated with the concentrated water pipeline through the switching channel of the third electromagnetic valve.
After the positive electrode and the negative electrode of the EDR unit are switched, the first water outlet of the EDR unit is connected with a concentrated water pipeline through a switching channel of a first electromagnetic valve, the second water outlet of the EDR unit is connected with a pure water pipeline through a second electromagnetic valve, and the raw water tank is communicated with the concentrated water pipeline through a third electromagnetic valve.
Preferably, the first electromagnetic valve is a three-way electromagnetic valve, the switching channel of the first electromagnetic valve is a second water outlet end of the first electromagnetic valve, the water inlet end of the first electromagnetic valve is communicated with a first water outlet end of the EDR unit, the first water outlet end of the first electromagnetic valve is communicated with the pure water pipeline, and the second water outlet end of the first electromagnetic valve is communicated with the concentrated water pipeline.
Preferably, the second electromagnetic valve is a three-way electromagnetic valve, the switching channel of the second electromagnetic valve is a second water outlet end of the second electromagnetic valve, the water inlet end of the second electromagnetic valve is connected with a second water outlet end of the EDR unit, the first water outlet end of the second electromagnetic valve is communicated with the concentrated water pipeline, and the second water outlet end of the second electromagnetic valve is communicated with the purified water pipeline.
Preferably, the third electromagnetic valve is a three-way electromagnetic valve, the switching channel of the third electromagnetic valve is a second water outlet end of the third electromagnetic valve, the water inlet end of the third electromagnetic valve is communicated with the concentrated water pipeline, the first water outlet end of the third electromagnetic valve is communicated with the water inlet of the original water tank, and the second water outlet end of the third electromagnetic valve is communicated with the water inlet of the auxiliary water tank. When the water purification system is in a normal water purification working condition, the first water outlet end of the third electromagnetic valve is opened, the second water outlet end of the third electromagnetic valve is closed, the concentrated water pipeline is communicated with the raw water tank, the concentrated water is filtered and purified again, and the utilization rate of the raw water is improved; when the water purification system is in the pole-reversing working condition, the second water outlet end of the third electromagnetic valve is opened, the first water outlet end of the third electromagnetic valve is closed, the concentrated water pipeline is communicated with the auxiliary water tank, and concentrated water flows in the whole water channel.
Preferably, still be provided with the self priming pump, the pipeline department of the first water inlet of expansion tank and EDR unit, second water inlet intercommunication is assembled in the self priming pump. A suction force is provided for the water in the auxiliary water tank through the self-sucking pump, and the flow speed of the water is accelerated.
Preferably, a front-mounted filter unit is further arranged and assembled at a pipeline communicated with the EDR unit through the self-priming pump. Carry out first heavy filtration to the raw water that gets into the EDR unit through leading filter unit, reduce the macromolecular impurity that gets into the EDR unit, reduce the risk of EDR unit structure.
Preferably, a liquid level sensor for detecting the water level in the raw water tank is further arranged, and the liquid level sensor is assembled at the position where the bottom of the raw water tank is communicated with the auxiliary water tank. The water level in the raw water tank is detected by a liquid level sensor arranged at the bottom of the raw water tank.
Preferably, a waste water proportioner is further arranged, and the waste water proportioner is assembled inside the raw water tank. The water quality in the raw water tank is detected through the waste water proportioner assembled in the raw water tank, when the salt component concentration in the raw water tank reaches a preset value, the raw water tank is detached for water change, the auxiliary water tank still keeps a water state at the moment, and the whole water channel continues to perform desalination and water purification working conditions.
Preferably, a waste water plug for controlling the flow rate of waste water is further arranged, and the waste water plug is assembled at a pipeline where the first water outlet end of the third electromagnetic valve is communicated with the raw water tank.
When the system is in a normal water purification working condition, the second water outlet end of the first electromagnetic valve is closed, the first water outlet end is opened, the second water outlet end of the second electromagnetic valve is closed, the first water outlet end is opened, raw water in the raw water tank flows through the auxiliary water tank, flows through the pre-filter unit under the suction force of the self-priming pump for first re-desalination and water purification, the raw water flowing out of the pre-filter unit enters the first water inlet and the second water inlet of the EDR unit, pure water generated after the EDR unit is desalinated flows out of the first water outlet of the EDR unit and enters the pure water pipeline through the first water outlet end of the first electromagnetic valve, concentrated water generated after the EDR unit is desalinated flows out of the second water outlet of the EDR unit and enters the concentrated water pipeline through the first water outlet end of the second electromagnetic valve, the first water outlet end of the third electromagnetic valve is opened, the second water outlet end is closed, and concentrated water in the concentrated water pipeline enters the raw water tank through the, and desalting and purifying the concentrated water again.
When the waste water proportioner in the raw water tank detects that the salt concentration degree of the water in the raw water tank reaches a preset value, the water purification system enters an electrode reversing working condition, when the electrode reversing working condition starts, the original water tank is detached, the concentrated water in the original water tank is reversed, meanwhile, voltage is reversely applied to the EDR unit, water in the auxiliary water tank flows through the pre-filter unit under the action of the self-priming pump and then enters the first water inlet and the second water inlet of the EDR unit, the first water outlet end of the first electromagnetic valve is closed, the second water outlet end of the first electromagnetic valve is opened, the first water outlet end of the second electromagnetic valve is closed, the second water outlet end of the second electromagnetic valve is opened, concentrated water discharged from the first water outlet of the EDR unit enters the concentrated water pipeline through the second water outlet end of the first electromagnetic valve, the first water outlet end of the third electromagnetic valve is closed, the second water outlet end of the third electromagnetic valve is opened, concentrated water in the concentrated water pipeline enters the auxiliary water tank through the second water outlet end of the third electromagnetic valve, and pure water discharged from the second water outlet of the EDR unit enters the pure water pipeline through the second water outlet.
The invention relates to a water purifier, wherein a water purifying system of the water purifier is provided with a raw water tank, an auxiliary water tank, an EDR unit, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve. The EDR unit is provided with first water inlet, second water inlet, first delivery port and second delivery port, and the delivery port of former water tank is connected with the water inlet of expansion tank, and expansion tank's delivery port one end is connected respectively with the first water inlet and the second water inlet of EDR unit, and the first delivery port of EDR unit passes through first solenoid valve and pure water pipeline intercommunication, and the second delivery port of EDR unit passes through second solenoid valve and dense water pipeline intercommunication, and former water tank passes through third solenoid valve and dense water pipeline intercommunication. When the former water tank water yield is not enough, the expansion tank keeps having water state and makes water purification system continue to carry out the water purification, through three solenoid valve control waste water flow to, when the system falls utmost point, waste water passes through the expansion tank and replaces in whole water route, and the water purification system of this water purifier has and shortens the time of falling utmost point, improves the efficiency of falling utmost point, improves the advantage that the user used experience.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limiting.
Fig. 1 is a schematic structural diagram of an electrodialysis water purification system for increasing the pole-reversing speed.
In fig. 1, this includes:
raw water tank 100, auxiliary water tank 200, EDR unit 300, first solenoid valve 400, second solenoid valve 500, third solenoid valve 600, self priming pump 700, leading filter unit 800, level sensor 900, waste water proportioner 1000, waste water stopper 1100.
Detailed Description
The invention is further illustrated by the following examples.
Example 1.
An electrodialysis water purification system for increasing the speed of pole reversal is provided with a raw water tank 100, an auxiliary water tank 200, an EDR unit 300, a first solenoid valve 400, a second solenoid valve 500, and a third solenoid valve 600, as shown in fig. 1. The EDR unit 300 is provided with first water inlet, the second water inlet, first delivery port and second delivery port, the delivery port of former water tank 100 is connected with the water inlet of expansion tank 200, the delivery port one end of expansion tank 200 is connected respectively with the first water inlet and the second water inlet of EDR unit 300, the first delivery port of EDR unit 300 passes through first solenoid valve 400 and pure water pipeline intercommunication, the second delivery port of EDR unit 300 passes through second solenoid valve 500 and dense water pipeline intercommunication, former water tank 100 passes through third solenoid valve 600 and dense water pipeline intercommunication. The auxiliary water tank 200 is arranged at the water outlet position of the raw water tank 100, raw water flowing out of the raw water tank 100 enters the EDR unit 300 for desalination and purification after passing through the auxiliary water tank 200, and when the raw water tank 100 is insufficient in water or a user takes off the raw water tank 100, the auxiliary water tank 200 still keeps a water state, and the water purification system can work normally.
An EDR (electro-dialysis) unit has a filtration membrane stack structure, and treats incoming water using an electrodialysis technique, and purified water is discharged as pure water and concentrated water is discharged as wastewater. The structure and principles of the EDR unit 300 are well known in the art and will not be described in detail herein.
In this embodiment, the first solenoid valve 400, the second solenoid valve 500 and the third solenoid valve 600 are all provided with the switching channel, and in the process of flushing the reversed pole, the first delivery port of the EDR unit 300 is connected with the concentrated water pipeline through the switching channel of the first solenoid valve 400, the second delivery port of the EDR unit 300 is connected with the concentrated water pipeline through the second solenoid valve 500, and the auxiliary water tank 200 is communicated with the concentrated water pipeline through the switching channel of the third solenoid valve 600.
After the positive electrode and the negative electrode of the EDR unit 300 are reversed, the first water outlet of the EDR unit 300 is connected with the concentrated water pipeline through the switching channel of the first electromagnetic valve 400, the second water outlet of the EDR unit 300 is connected with the pure water pipeline through the second electromagnetic valve 500, and the raw water tank 100 is communicated with the concentrated water pipeline through the third electromagnetic valve 600.
In this embodiment, the first solenoid valve 400 is a three-way solenoid valve, the switching channel of the first solenoid valve 400 is the second water outlet end of the first solenoid valve 400, the water inlet end of the first solenoid valve 400 is communicated with the first water outlet end of the EDR unit 300, the first water outlet end of the first solenoid valve 400 is communicated with the pure water pipeline, and the second water outlet end of the first solenoid valve 400 is communicated with the concentrated water pipeline.
In this embodiment, the second solenoid valve 500 is a three-way solenoid valve, the switching channel of the second solenoid valve 500 is a second water outlet end of the second solenoid valve 500, the water inlet end of the second solenoid valve 500 is connected to the second water outlet end of the EDR unit 300, the first water outlet end of the second solenoid valve 500 is communicated with the concentrated water pipeline, and the second water outlet end of the second solenoid valve 500 is communicated with the purified water pipeline.
In this embodiment, the third electromagnetic valve 600 is a three-way electromagnetic valve, the switching channel of the third electromagnetic valve 600 is a second water outlet end of the third electromagnetic valve 600, the water inlet end of the third electromagnetic valve 600 is communicated with the concentrated water pipeline, the first water outlet end of the third electromagnetic valve 600 is communicated with the water inlet of the raw water tank 100, and the second water outlet end of the third electromagnetic valve 600 is communicated with the water inlet of the auxiliary water tank 200. When the water purification system is in a normal water purification working condition, the first water outlet end of the third electromagnetic valve 600 is opened, the second water outlet end is closed, the concentrated water pipeline is communicated with the raw water tank 100, the concentrated water is filtered and purified again, and the utilization rate of the raw water is improved; when the water purification system is in the reverse-pole working condition, the second water outlet end of the third electromagnetic valve 600 is opened, the first water outlet end is closed, the concentrated water pipeline is communicated with the auxiliary water tank 200, and concentrated water flows in the whole water channel.
In this embodiment, still be provided with self priming pump 700, self priming pump 700 assembles in auxiliary water tank 200 and the pipeline department of the first water inlet of EDR unit 300, second water inlet intercommunication. The self-priming pump 700 provides a suction force to the water in the auxiliary tank 200 to accelerate the flow rate of the water.
In this embodiment, a pre-filter unit 800 is further provided, and the pre-filter unit 800 is assembled at the pipeline where the self-priming pump 700 communicates with the EDR unit 300. The raw water entering the EDR unit 300 is filtered for the first time through the pre-filtering unit 800, so that macromolecular impurities entering the EDR unit 300 are reduced, and the risk of the EDR unit 300 structure is reduced.
In this embodiment, a liquid level sensor 900 for detecting the water level in the raw water tank 100 is further provided, and the liquid level sensor 900 is assembled at the communication position between the bottom of the raw water tank 100 and the auxiliary water tank 200. The water level in the raw water tank 100 is detected by a level sensor 900 provided at the bottom of the raw water tank 100.
In this embodiment, a waste water proportioner 1000 is further provided, and the waste water proportioner 1000 is assembled inside the raw water tank 100. Detect the quality of water in the former water tank 100 through the waste water proportioner 1000 of assembling in former water tank 100, when detecting that the salinity in former water tank 100 reaches the default, pull down former water tank 100, trade water, still keep keeping in the expansion tank 200 this moment and having a water state, whole water route continues to desalt the water purification operating mode.
In this embodiment, a waste water plug 1100 for controlling the flow rate of waste water is further provided, and the waste water plug 1100 is mounted at a pipeline where the first water outlet end of the third electromagnetic valve 600 communicates with the raw water tank 100.
When the system is in a normal water purification working condition, the second water outlet end of the first electromagnetic valve 400 is closed, the first water outlet end is opened, the second water outlet end of the second electromagnetic valve 500 is closed, the first water outlet end is opened, raw water in the raw water tank 100 flows through the auxiliary water tank 200, flows through the pre-filter unit 800 under the suction force of the self-priming pump 700 for first re-desalination and water purification, raw water flowing out of the pre-filter unit 800 enters the first water inlet and the second water inlet of the EDR unit 300, pure water generated after desalination of the EDR unit 300 flows out of the first water outlet of the EDR unit 300 and enters the pure water pipeline through the first water outlet end of the first electromagnetic valve 400, concentrated water generated after desalination of the EDR unit 300 flows out of the second water outlet of the EDR unit 300 and enters the concentrated water pipeline through the first water outlet end of the second electromagnetic valve 500, the first water outlet end of the third electromagnetic valve 600 is opened, the second water outlet end is closed, and concentrated water in the concentrated water pipeline enters the raw water tank 100 through the first water outlet end of, and desalting and purifying the concentrated water again.
When the wastewater proportioner 1000 in the raw water tank 100 detects that the salt concentration degree of water in the raw water tank 100 reaches a preset value, the water purification system enters an electrode inverting working condition, when the electrode inverting working condition starts, the raw water tank 100 is detached, concentrated water in the raw water tank 100 is inverted, voltage is reversely applied to the EDR unit 300, water in the secondary water tank 200 flows through the pre-filter unit 800 under the action of the self-priming pump 700 and then enters a first water inlet and a second water inlet of the EDR unit 300, a first water outlet end of the first electromagnetic valve 400 is closed, a second water outlet end of the first electromagnetic valve 400 is opened, a first water outlet end of the second electromagnetic valve 500 is closed, a second water outlet end of the second electromagnetic valve 500 is opened, concentrated water discharged from a first water outlet of the EDR unit 300 enters a concentrated water pipeline through a second water outlet end of the first electromagnetic valve 400, a first water outlet end of the third electromagnetic valve 600 is closed, a second water outlet end of the third electromagnetic valve 600 is opened, and concentrated water in the concentrated water pipeline enters the secondary water, pure water discharged from the second water outlet of the EDR unit enters the pure water pipeline through the second water outlet end of the second electromagnetic valve 500.
An electrodialysis water purification system for increasing the pole-reversing speed of the embodiment is provided with a raw water tank 100, an auxiliary water tank 200, an EDR unit 300, a first electromagnetic valve 400, a second electromagnetic valve 500 and a third electromagnetic valve 600. The EDR unit 300 is provided with first water inlet, the second water inlet, first delivery port and second delivery port, the delivery port of former water tank 100 is connected with the water inlet of expansion tank 200, the delivery port one end of expansion tank 200 is connected respectively with the first water inlet and the second water inlet of EDR unit 300, the first delivery port of EDR unit 300 passes through first solenoid valve 400 and pure water pipeline intercommunication, the second delivery port of EDR unit 300 passes through second solenoid valve 500 and dense water pipeline intercommunication, former water tank 100 passes through third solenoid valve 600 and dense water pipeline intercommunication. When former water tank 100 water shortage, expansion tank 200 keeps having water state and makes water purification system continue to carry out the water purification, through three solenoid valve control waste water flow direction, when the system falls utmost point, waste water passes through expansion tank 200 and replaces in whole water route, and this water purification system has and shortens the time of falling utmost point, improves the efficiency of falling utmost point, improves the advantage that the user used experience.
Example 2.
A water purifier, its water purification system is provided with former water tank, expansion tank, EDR unit, first solenoid valve, second solenoid valve and third solenoid valve. The EDR unit is provided with first water inlet, second water inlet, first delivery port and second delivery port, and the delivery port of former water tank is connected with the water inlet of expansion tank, and expansion tank's delivery port one end is connected respectively with the first water inlet and the second water inlet of EDR unit, and the first delivery port of EDR unit passes through first solenoid valve and pure water pipeline intercommunication, and the second delivery port of EDR unit passes through second solenoid valve and dense water pipeline intercommunication, and former water tank passes through third solenoid valve and dense water pipeline intercommunication. The auxiliary water tank is arranged at the water outlet position of the original water tank, raw water flowing out of the original water tank enters the EDR unit for desalination and purification after passing through the auxiliary water tank, when the water amount of the original water tank is insufficient or a user takes off the original water tank, the auxiliary water tank still keeps a water state, and the water purification system can work normally.
In this embodiment, first solenoid valve, second solenoid valve and third solenoid valve all are provided with switching passageway, and among the flush process of falling utmost point, the first delivery port of EDR unit passes through the switching passageway and the dense water tube coupling of first solenoid valve, and the second delivery port of EDR unit passes through second solenoid valve and dense water tube coupling, the expansion channel and the dense water tube coupling of auxiliary water tank through the third solenoid valve.
After the positive electrode and the negative electrode of the EDR unit are switched, the first water outlet of the EDR unit is connected with a concentrated water pipeline through a switching channel of a first electromagnetic valve, the second water outlet of the EDR unit is connected with a pure water pipeline through a second electromagnetic valve, and the raw water tank is communicated with the concentrated water pipeline through a third electromagnetic valve.
In this embodiment, the first electromagnetic valve is a three-way electromagnetic valve, the switching channel of the first electromagnetic valve is the second water outlet end of the first electromagnetic valve, the water inlet end of the first electromagnetic valve is communicated with the first water outlet end of the EDR unit, the first water outlet end of the first electromagnetic valve is communicated with the pure water pipeline, and the second water outlet end of the first electromagnetic valve is communicated with the concentrated water pipeline.
In this embodiment, the second electromagnetic valve is a three-way electromagnetic valve, the switching channel of the second electromagnetic valve is a second water outlet end of the second electromagnetic valve, the water inlet end of the second electromagnetic valve is connected to the second water outlet end of the EDR unit, the first water outlet end of the second electromagnetic valve is communicated with the concentrated water pipeline, and the second water outlet end of the second electromagnetic valve is communicated with the purified water pipeline.
In this embodiment, the third electromagnetic valve is a three-way electromagnetic valve, the switching channel of the third electromagnetic valve is a second water outlet end of the third electromagnetic valve, the water inlet end of the third electromagnetic valve is communicated with the concentrated water pipeline, the first water outlet end of the third electromagnetic valve is communicated with the water inlet of the raw water tank, and the second water outlet end of the third electromagnetic valve is communicated with the water inlet of the auxiliary water tank. When the water purification system is in a normal water purification working condition, the first water outlet end of the third electromagnetic valve is opened, the second water outlet end of the third electromagnetic valve is closed, the concentrated water pipeline is communicated with the raw water tank, the concentrated water is filtered and purified again, and the utilization rate of the raw water is improved; when the water purification system is in the pole-reversing working condition, the second water outlet end of the third electromagnetic valve is opened, the first water outlet end of the third electromagnetic valve is closed, the concentrated water pipeline is communicated with the auxiliary water tank, and concentrated water flows in the whole water channel.
In this embodiment, water purification system still is provided with the self priming pump, and the pipeline department of first water inlet, the second water inlet intercommunication of auxiliary water tank and EDR unit is assembled to the self priming pump. A suction force is provided for the water in the auxiliary water tank through the self-sucking pump, and the flow speed of the water is accelerated.
In this embodiment, water purification system still is provided with leading filter unit, and leading filter unit assembles in the pipeline department of self priming pump and EDR unit intercommunication. Carry out first heavy filtration to the raw water that gets into the EDR unit through leading filter unit, reduce the macromolecular impurity that gets into the EDR unit, reduce the risk of EDR unit structure.
In this embodiment, water purification system still is provided with the level sensor who is arranged in detecting former water tank water level, and level sensor assembles in former water tank bottom and auxiliary water tank intercommunication department. The water level in the raw water tank is detected by a liquid level sensor arranged at the bottom of the raw water tank.
In this embodiment, still be provided with the waste water proportioner, the waste water proportioner assembles inside former water tank. The water quality in the raw water tank is detected through the waste water proportioner assembled in the raw water tank, when the salt component concentration in the raw water tank reaches a preset value, the raw water tank is detached for water change, the auxiliary water tank still keeps a water state at the moment, and the whole water channel continues to perform desalination and water purification working conditions.
In this embodiment, a waste water plug for controlling the flow rate of waste water is further provided, and the waste water plug is assembled at a pipeline where the first water outlet end of the third electromagnetic valve is communicated with the raw water tank.
When the system is in a normal water purification working condition, the second water outlet end of the first electromagnetic valve is closed, the first water outlet end is opened, the second water outlet end of the second electromagnetic valve is closed, the first water outlet end is opened, raw water in the raw water tank flows through the auxiliary water tank, flows through the pre-filter unit under the suction force of the self-priming pump for first re-desalination and water purification, the raw water flowing out of the pre-filter unit enters the first water inlet and the second water inlet of the EDR unit, pure water generated after the EDR unit is desalinated flows out of the first water outlet of the EDR unit and enters the pure water pipeline through the first water outlet end of the first electromagnetic valve, concentrated water generated after the EDR unit is desalinated flows out of the second water outlet of the EDR unit and enters the concentrated water pipeline through the first water outlet end of the second electromagnetic valve, the first water outlet end of the third electromagnetic valve is opened, the second water outlet end is closed, and concentrated water in the concentrated water pipeline enters the raw water tank through the, and desalting and purifying the concentrated water again.
When the waste water proportioner in the raw water tank detects that the salt concentration degree of the water in the raw water tank reaches a preset value, the water purification system enters an electrode reversing working condition, when the electrode reversing working condition starts, the original water tank is detached, the concentrated water in the original water tank is reversed, meanwhile, voltage is reversely applied to the EDR unit, water in the auxiliary water tank flows through the pre-filter unit under the action of the self-priming pump and then enters the first water inlet and the second water inlet of the EDR unit, the first water outlet end of the first electromagnetic valve is closed, the second water outlet end of the first electromagnetic valve is opened, the first water outlet end of the second electromagnetic valve is closed, the second water outlet end of the second electromagnetic valve is opened, concentrated water discharged from the first water outlet of the EDR unit enters the concentrated water pipeline through the second water outlet end of the first electromagnetic valve, the first water outlet end of the third electromagnetic valve is closed, the second water outlet end of the third electromagnetic valve is opened, concentrated water in the concentrated water pipeline enters the auxiliary water tank through the second water outlet end of the third electromagnetic valve, and pure water discharged from the second water outlet of the EDR unit enters the pure water pipeline through the second water outlet.
The water purifier of this embodiment, its water purification system is provided with former water tank, expansion tank, EDR unit, first solenoid valve, second solenoid valve and third solenoid valve. The EDR unit is provided with first water inlet, second water inlet, first delivery port and second delivery port, and the delivery port of former water tank is connected with the water inlet of expansion tank, and expansion tank's delivery port one end is connected respectively with the first water inlet and the second water inlet of EDR unit, and the first delivery port of EDR unit passes through first solenoid valve and pure water pipeline intercommunication, and the second delivery port of EDR unit passes through second solenoid valve and dense water pipeline intercommunication, and former water tank passes through third solenoid valve and dense water pipeline intercommunication. When the former water tank water yield is not enough, the expansion tank keeps having water state and makes water purification system continue to carry out the water purification, through three solenoid valve control waste water flow to, when the system falls utmost point, waste water passes through the expansion tank and replaces in whole water route, and the water purification system of this water purifier has and shortens the time of falling utmost point, improves the efficiency of falling utmost point, improves the advantage that the user used experience.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides an improve electrodialysis water purification system of utmost point speed which characterized in that: the device is provided with a raw water tank, an auxiliary water tank, an EDR unit, a first electromagnetic valve, a second electromagnetic valve and a third electromagnetic valve;
the EDR unit is provided with a first water inlet, a second water inlet, a first water outlet and a second water outlet, one end of the water outlet of the raw water tank is connected with the water inlet of the auxiliary water tank, one end of the water outlet of the auxiliary water tank is respectively connected with the first water inlet and the second water inlet of the EDR unit, the first water outlet of the EDR unit is communicated with the pure water pipeline through a first electromagnetic valve, the second water outlet of the EDR unit is communicated with the concentrated water pipeline through a second electromagnetic valve, and the raw water tank is communicated with the concentrated water pipeline through a third electromagnetic valve;
the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are all provided with switching channels, in the reverse pole flushing process, a first water outlet of the EDR unit is connected with a concentrated water pipeline through the switching channel of the first electromagnetic valve, a second water outlet of the EDR unit is connected with the concentrated water pipeline through the second electromagnetic valve, and the auxiliary water tank is communicated with the concentrated water pipeline through the switching channel of the third electromagnetic valve;
after the positive electrode and the negative electrode of the EDR unit are switched, the first water outlet of the EDR unit is connected with a concentrated water pipeline through a switching channel of a first electromagnetic valve, the second water outlet of the EDR unit is connected with a pure water pipeline through a second electromagnetic valve, and the raw water tank is communicated with the concentrated water pipeline through a third electromagnetic valve.
2. An electrodialysis water purification system for increasing the pole-reversing speed according to claim 1, wherein: the first electromagnetic valve is set to be a three-way electromagnetic valve, the switching channel of the first electromagnetic valve is the second water outlet end of the first electromagnetic valve, the water inlet end of the first electromagnetic valve is communicated with the first water outlet end of the EDR unit, the first water outlet end of the first electromagnetic valve is communicated with the pure water pipeline, and the second water outlet end of the first electromagnetic valve is communicated with the concentrated water pipeline.
3. An electrodialysis water purification system for increasing the pole-reversing speed according to claim 1, wherein: the second electromagnetic valve is set to be a three-way electromagnetic valve, the switching channel of the second electromagnetic valve is set to be a second water outlet end of the second electromagnetic valve, the water inlet end of the second electromagnetic valve is connected with a second water outlet end of the EDR unit, a first water outlet end of the second electromagnetic valve is communicated with the concentrated water pipeline, and a second water outlet end of the second electromagnetic valve is communicated with the pure water pipeline.
4. An electrodialysis water purification system for increasing the pole-reversing speed according to claim 1, wherein: the third electromagnetic valve is a three-way electromagnetic valve, a switching channel of the third electromagnetic valve is a second water outlet end of the third electromagnetic valve, a water inlet end of the third electromagnetic valve is communicated with the concentrated water pipeline, a first water outlet end of the third electromagnetic valve is communicated with the water inlet of the original water tank, and a second water outlet end of the third electromagnetic valve is communicated with the water inlet of the auxiliary water tank.
5. An electrodialysis water purification system for increasing the pole-reversing speed according to claim 1, wherein: still be provided with the self priming pump, the pipeline department of the first water inlet of expansion tank and EDR unit, second water inlet intercommunication is assembled in the self priming pump.
6. An electrodialysis water purification system for increasing the pole-reversing speed according to claim 5, wherein: the self-priming water purifier is also provided with a front-mounted filter unit which is assembled at a pipeline communicated with the self-priming pump and the EDR unit.
7. An electrodialysis water purification system for increasing the pole-reversing speed according to any one of claims 1 to 6, characterized in that: and a liquid level sensor for detecting the water level in the raw water tank is also arranged, and the liquid level sensor is assembled at the communication part of the bottom of the raw water tank and the auxiliary water tank.
8. An electrodialysis water purification system for increasing the pole-reversing speed according to any one of claims 1 to 6, characterized in that: still be provided with the waste water proportioner, the waste water proportioner assembles inside former water tank.
9. An electrodialysis water purification system for increasing the pole-reversing speed according to any one of claims 1 to 6, characterized in that: the waste water plug is used for controlling the flow rate of waste water and is assembled at a pipeline where the first water outlet end of the third electromagnetic valve is communicated with the original water tank.
10. A water purifier is characterized in that: an electrodialysis water purification system with improved pole-pouring speed as claimed in any one of claims 1 to 9.
CN201911420227.0A 2019-12-31 2019-12-31 Electrodialysis water purification system and water purifier capable of increasing electrode reversing speed Pending CN111003766A (en)

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CN114074979A (en) * 2020-08-12 2022-02-22 云米互联科技(广东)有限公司 Household water purifying device and table-board water purifying machine
CN114162930A (en) * 2021-05-21 2022-03-11 佛山市美的清湖净水设备有限公司 Water purification system, control method thereof, medium, electronic equipment and water purification equipment

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CN211896192U (en) * 2019-12-31 2020-11-10 佛山市云米电器科技有限公司 Electrodialysis water purification system and water purifier capable of increasing electrode reversing speed

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CN206631314U (en) * 2017-04-10 2017-11-14 嵊州市山达环保设备有限公司 A kind of continual water correction plant
CN110526351A (en) * 2019-10-09 2019-12-03 佛山市云米电器科技有限公司 A kind of double case pole-reversing electroosmosis water purification systems and its platform-type water purifier
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CN114074979A (en) * 2020-08-12 2022-02-22 云米互联科技(广东)有限公司 Household water purifying device and table-board water purifying machine
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