CN211255379U - Double-box inverted electrodialysis water purification system and table top type water purifier thereof - Google Patents

Double-box inverted electrodialysis water purification system and table top type water purifier thereof Download PDF

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Publication number
CN211255379U
CN211255379U CN201921678164.4U CN201921678164U CN211255379U CN 211255379 U CN211255379 U CN 211255379U CN 201921678164 U CN201921678164 U CN 201921678164U CN 211255379 U CN211255379 U CN 211255379U
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water
electromagnetic valve
communicated
outlet end
pipeline
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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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Abstract

A double-box reversed electrodialysis water purification system and a table top type water purifier thereof purify water through the double-box reversed electrodialysis water purification system, wherein the water purification system is provided with a raw water box, a concentrated water box, an EDR unit with an exchangeable electrode, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve. Change the pipeline that raw water and dense water got into the EDR unit through first solenoid valve and second solenoid valve, change the outflow pipeline of the dense water and the dense water that the EDR unit produced through third solenoid valve and fourth solenoid valve, accomplish the operation of falling utmost point of EDR unit, the dense water pipeline of system can flow back to the dense water that the EDR unit produced, make dense water filter once more, improve the pure useless ratio of producing water, the double box structure that utilizes water purification system can improve the stability of EDR electrodialysis water purification system that falls, and EDR electrodialysis water purification system that falls is through regular operation of falling utmost point, can also reduce the risk of system's scale deposit.

Description

Double-box inverted electrodialysis water purification system and table top type water purifier thereof
Technical Field
The utility model relates to a water purifier technical field especially relates to a two casees reversal electrodialysis water purification system and mesa formula water purifier thereof.
Background
Most of the existing reverse osmosis water purifiers perform water purification operations using a reverse osmosis filter element (generally called an RO membrane filter element) having a reverse osmosis membrane. When raw water enters the reverse osmosis water purifier, certain pressure is applied to the raw water to enable water molecules and ionic mineral elements in the raw water to pass through the reverse osmosis membrane, and macromolecular inorganic salts in the raw water comprise heavy metal ions, organic matters, bacteria, viruses and the like and cannot pass through the reverse osmosis membrane with small membrane pores, so that the water purifying effect is achieved.
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, and after the ratio of pure water to concentrated water in the produced water of the system exceeds 3:1, the risk of operation of the reverse osmosis membrane is increased, the purification rate is reduced, and the quality of the produced water is correspondingly deteriorated.
Therefore, it is necessary to provide a dual-tank reversed-polarity electrodialysis water purification system and a table-board type water purifier thereof to overcome the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two casees electrodialysis reversal water purification system can carry out secondary filtration to the dense water that produces, improves the pure useless ratio of producing water, utilizes two casees structure can improve the stability of EDR electrodialysis reversal water purification system, and EDR electrodialysis reversal water purification system can also reduce the risk of system's scale deposit through the operation of regularly falling the utmost point.
The above object of the present invention is achieved by the following technical measures.
The utility model provides a two casees electrodialysis water purification system that falls is provided with former water tank, dense water tank, the EDR unit, first solenoid valve, second solenoid valve, third solenoid valve and the fourth solenoid valve of electrode can be reversed.
Preferably, the EDR unit is provided with a first water inlet, a second water inlet, a first water outlet and a second water outlet, the raw water tank is communicated with the second water inlet of the EDR unit through a second electromagnetic valve, the concentrated water tank is communicated with the first water inlet through a first electromagnetic valve, the first water outlet is communicated with a concentrated water pipeline through a third electromagnetic valve, and the second water outlet is communicated with a pure water pipeline through a fourth electromagnetic valve.
Preferably, the first solenoid valve, the second solenoid valve, the third solenoid valve and the fourth solenoid valve are all provided with conversion channels, when the electrode of the EDR unit is switched, the raw water tank is communicated with the first water inlet of the EDR unit through the conversion channel of the second solenoid valve, the concentrated water tank is communicated with the second water inlet of the EDR unit through the conversion channel of the first solenoid valve, the first water outlet of the EDR unit is communicated with the pure water pipeline through the conversion channel of the third solenoid valve, and the second water outlet of the EDR unit is communicated with the concentrated water pipeline through the conversion channel of the fourth solenoid 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 concentrated water tank is communicated with a water inlet end pipeline of the first electromagnetic valve, a first water outlet end of the first electromagnetic valve is communicated with a first water inlet of the EDR unit, and a second water outlet end of the first electromagnetic valve is communicated with a second water inlet of the EDR unit.
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 raw water tank is communicated with a water inlet end pipeline of the second electromagnetic valve, a first water outlet end of the second electromagnetic valve is communicated with a second water inlet of the EDR unit, and a second water outlet end of the second electromagnetic valve is communicated with a first water inlet of the EDR unit.
Further, a pure water tank is provided, and the pure water tank can temporarily store unused pure water.
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 first water outlet of the EDR unit, the first water outlet end of the third electromagnetic valve is communicated with the concentrated water tank through a concentrated water pipeline, and the second water outlet end of the third electromagnetic valve is communicated with the pure water tank pipeline.
The fourth electromagnetic valve is set to be a three-way electromagnetic valve, a conversion channel of the fourth electromagnetic valve is a second water outlet end of the fourth electromagnetic valve, a water inlet end of the fourth electromagnetic valve is communicated with a second water outlet of the EDR unit, a first water outlet end of the fourth electromagnetic valve is communicated with the pure water tank pipeline, and a second water outlet end of the fourth electromagnetic valve is communicated with the concentrated water tank through a concentrated water pipeline.
When the system is in a normal water purification working condition, the second water outlet end of the first electromagnetic valve and the second water outlet end of the second electromagnetic valve are closed, concentrated water in the concentrated water tank enters the first water inlet of the EDR unit through the first water outlet end of the first electromagnetic valve, raw water in the raw water tank enters the second water inlet of the EDR unit through the first water outlet end of the second electromagnetic valve, the second water outlet end of the third electromagnetic valve and the second water outlet end of the fourth electromagnetic valve are closed, concentrated water generated by the EDR unit flows into a concentrated water pipeline through the first water outlet end of the third electromagnetic valve, and pure water generated by the EDR unit enters the pure water tank through the first water outlet end of the fourth electromagnetic valve;
when the system is in a reverse-polarity cleaning working condition, a first water outlet end of the first electromagnetic valve and a first water outlet end of the second electromagnetic valve are closed, concentrated water in the concentrated water tank enters a second water inlet of the EDR unit through a second water outlet end of the first electromagnetic valve, raw water in the raw water tank enters a first water inlet of the EDR unit through a second water outlet end of the second electromagnetic valve, a first water outlet end of the third electromagnetic valve and a first water outlet end of the fourth electromagnetic valve are closed, concentrated water generated by the EDR unit is discharged from the second water outlet and flows into a concentrated water pipeline through a second water outlet end of the fourth electromagnetic valve, and pure water generated by the EDR unit is discharged from the first water outlet and enters the pure water tank through a second water outlet end of the third electromagnetic valve.
In the working condition of reversed electrode cleaning, the positive electrode and the negative electrode of the EDR unit are exchanged, namely, the reversed electrode operation of the EDR unit is carried out by adjusting the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve, concentrated water generated by the EDR unit after reversed electrode enters a raw water channel in the EDR unit, raw water enters a raw concentrated water channel in the EDR unit, and the concentrated water and the raw water run in independent pipelines and are not in contact with each other. The EDR unit is cleaned by reversing the polarity regularly, so that macromolecular substances accumulated in the long-term water purification process of the water purification system can be reduced, the water purification stability of the system is improved, and the risk of scaling of the system can be reduced.
Preferably, the concentrated water self-suction device is further arranged and assembled at a pipeline where the concentrated water tank is communicated with the first electromagnetic valve. Dense water is from inhaling mechanism and is set up to the self priming pump, can improve the velocity of flow that dense water got into the EDR unit through the self priming pump, improves the water purification rate of EDR unit.
Preferably, a pre-concentrated water filtering unit is further arranged and assembled at a pipeline where the concentrated water self-suction mechanism is communicated with the first electromagnetic valve. Leading dense water filter unit sets up to the cotton filter core of PP or CB composite filter core, can carry out first heavy filtration to the dense water that gets into the EDR unit, reduces the macromolecular impurity that gets into the EDR unit, reduces the risk of EDR unit scale deposit.
Preferably, a raw water self-suction mechanism is further arranged and is assembled at a pipeline where the raw water tank is communicated with the second electromagnetic valve. The raw water is from inhaling the mechanism and setting up to the self priming pump, can improve the velocity of flow that the raw water got into the EDR unit through the self priming pump, improves the water purification rate of EDR unit.
Preferably, a pre-raw water filtering unit is further provided, and the pre-raw water filtering unit is assembled at a pipeline where the raw water self-priming mechanism is communicated with the second electromagnetic valve. Leading raw water filter unit sets up to the cotton filter core of PP or CB composite filter core, can carry out first heavy filtration to the raw water that gets into the EDR unit, reduces the macromolecule impurity that gets into the EDR unit, reduces the risk of EDR unit scale deposit.
Furthermore, a pure water treatment unit is also arranged and is communicated with the pure water tank pipeline. The pure water treatment unit can carry out secondary disinfection and sterilization treatment on the pure water generated by the EDR unit, and the quality of the pure water is ensured.
Preferably, the pure water treatment unit is provided with a pure water self-suction mechanism, a heating mechanism, a water-vapor separation mechanism and an overflow pipe, wherein a water inlet of the pure water self-suction mechanism is communicated with a pipeline of the pure water tank, a water outlet of the pure water self-suction mechanism is communicated with a water inlet pipeline of the heating mechanism, a water outlet of the heating mechanism is communicated with a pipeline of the water-vapor separation mechanism, and the overflow pipe is communicated with the water-vapor separation mechanism and the pure water tank. The pure water is from inhaling the velocity of flow that the pure water outflow in the mechanism can improve the pure water case, and heating mechanism can carry out reheat sterilization to the pure water, and vapor-water separation mechanism can cool off, deposit the pure water after the heating of heating mechanism, guarantees the product water quality of pure water, and the overflow pipe can flow back to the pure water case again with the pure water that is not utilized in the vapor-water separation mechanism and store.
Preferably, a post-filter unit is further provided, and the post-filter unit is assembled at the pipeline between the fourth electromagnetic valve and the pure water tank. The rear-mounted filtering unit is set as a rear-mounted carbon rod, so that pure water generated by the EDR unit can be filtered again, and the quality of the pure water is improved.
Preferably, a UV sterilization module is further arranged and assembled on the pure water tank. The UV sterilization module can sterilize the pure water in the pure water tank, and the water quality of the pure water is guaranteed.
Preferably, a TDS measuring unit is also provided, which is fitted inside the concentrate tank. The TDS measuring unit can measure the TDS value of the concentrated water in the concentrated water tank, and the concentrated water in the concentrated water tank is replaced after the TDS value of the concentrated water reaches a preset value.
A double-tank reversed-electrode electrodialysis water purification system is provided with a raw water tank, a concentrated water tank, an EDR unit with an exchangeable electrode, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve. The water inlet that flows back the EDR unit with dense water again through dense water pipeline, can filter once more the dense water that produces, improve the pure useless ratio of producing water, utilize two case structures can improve EDR electrodialysis water purification system's of falling pole stability, and EDR electrodialysis water purification system of falling pole passes through the operation of regularly falling the utmost point, the operation of falling utmost point through the EDR unit, change the water inlet of raw water and dense water, wash the contaminated impurities of accumulation in filter membrane and the pipeline in the EDR unit, the risk of reduction system scale deposit, guarantee the quality of water that the EDR unit produced water.
Another object of the utility model is to provide a mesa formula water purifier can carry out secondary filtration to the dense water that produces through its water purification system, improves the useless ratio of pure of water, utilizes water purification system's two case structures can improve EDR utmost point electrodialysis water purification system's stability, and EDR utmost point electrodialysis water purification system passes through the operation of regularly falling the utmost point, can also reduce the risk of system's scale deposit.
The above object of the present invention is achieved by the following technical measures.
The utility model provides a mesa formula water purifier, its water purification system is provided with former water tank, dense water tank, the EDR unit of electrode can be reversed, first solenoid valve, second solenoid valve, third solenoid valve and fourth solenoid valve.
Preferably, the EDR unit is provided with a first water inlet, a second water inlet, a first water outlet and a second water outlet, the raw water tank is communicated with the second water inlet of the EDR unit through a second electromagnetic valve, the concentrated water tank is communicated with the first water inlet through a first electromagnetic valve, the first water outlet is communicated with a concentrated water pipeline through a third electromagnetic valve, and the second water outlet is communicated with a pure water pipeline through a fourth electromagnetic valve;
preferably, the first solenoid valve, the second solenoid valve, the third solenoid valve and the fourth solenoid valve are all provided with conversion channels, when the electrode of the EDR unit is switched, the raw water tank is communicated with the first water inlet of the EDR unit through the conversion channel of the second solenoid valve, the concentrated water tank is communicated with the second water inlet of the EDR unit through the conversion channel of the first solenoid valve, the first water outlet of the EDR unit is communicated with the pure water pipeline through the conversion channel of the third solenoid valve, and the second water outlet of the EDR unit is communicated with the concentrated water pipeline through the conversion channel of the fourth solenoid 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 concentrated water tank is communicated with a water inlet end pipeline of the first electromagnetic valve, a first water outlet end of the first electromagnetic valve is communicated with a first water inlet of the EDR unit, and a second water outlet end of the first electromagnetic valve is communicated with a second water inlet of the EDR unit.
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 raw water tank is communicated with a water inlet end pipeline of the second electromagnetic valve, a first water outlet end of the second electromagnetic valve is communicated with a second water inlet of the EDR unit, and a second water outlet end of the second electromagnetic valve is communicated with a first water inlet of the EDR unit.
Preferably, a pure water tank is also provided. The pure water tank may temporarily store the pure water that is not used.
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 first water outlet of the EDR unit, the first water outlet end of the third electromagnetic valve is communicated with the concentrated water tank through a concentrated water pipeline, and the second water outlet end of the third electromagnetic valve is communicated with the pure water tank pipeline.
Preferably, the fourth electromagnetic valve is a three-way electromagnetic valve, the switching channel of the fourth electromagnetic valve is a second water outlet end of the fourth electromagnetic valve, a water inlet end of the fourth electromagnetic valve is communicated with a second water outlet of the EDR unit, a first water outlet end of the fourth electromagnetic valve is communicated with the pure water tank pipeline, and a second water outlet end of the fourth electromagnetic valve is communicated with the concentrated water tank through a concentrated water pipeline.
When the system is in a normal water purification working condition, the second water outlet end of the first electromagnetic valve and the second water outlet end of the second electromagnetic valve are closed, concentrated water in the concentrated water tank enters the first water inlet of the EDR unit through the first water outlet end of the first electromagnetic valve, raw water in the raw water tank enters the second water inlet of the EDR unit through the first water outlet end of the second electromagnetic valve, the second water outlet end of the third electromagnetic valve and the second water outlet end of the fourth electromagnetic valve are closed, concentrated water generated by the EDR unit flows into a concentrated water pipeline through the first water outlet end of the third electromagnetic valve, and pure water generated by the EDR unit enters the pure water tank through the first water outlet end of the fourth electromagnetic valve;
when the system is in a reverse-polarity cleaning working condition, a first water outlet end of the first electromagnetic valve and a first water outlet end of the second electromagnetic valve are closed, concentrated water in the concentrated water tank enters a second water inlet of the EDR unit through a second water outlet end of the first electromagnetic valve, raw water in the raw water tank enters a first water inlet of the EDR unit through a second water outlet end of the second electromagnetic valve, a first water outlet end of the third electromagnetic valve and a first water outlet end of the fourth electromagnetic valve are closed, concentrated water generated by the EDR unit is discharged from the second water outlet and flows into a concentrated water pipeline through a second water outlet end of the fourth electromagnetic valve, and pure water generated by the EDR unit is discharged from the first water outlet and enters the pure water tank through a second water outlet end of the third electromagnetic valve.
In the working condition of reversed electrode cleaning, the positive electrode and the negative electrode of the EDR unit are exchanged, namely, the reversed electrode operation of the EDR unit is carried out by adjusting the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve, concentrated water generated by the EDR unit after reversed electrode enters a raw water channel in the EDR unit, raw water enters a raw concentrated water channel in the EDR unit, and the concentrated water and the raw water run in independent pipelines and are not in contact with each other. The EDR unit is cleaned by reversing the polarity regularly, so that macromolecular substances accumulated in the long-term water purification process of the water purification system can be reduced, the water purification stability of the system is improved, and the risk of scaling of the system can be reduced.
Preferably, the concentrated water self-suction device is further arranged and assembled at a pipeline where the concentrated water tank is communicated with the first electromagnetic valve. Dense water is from inhaling mechanism and is set up to the self priming pump, can improve the velocity of flow that dense water got into the EDR unit through the self priming pump, improves the water purification rate of EDR unit.
Preferably, a pre-concentrated water filtering unit is further arranged and assembled at a pipeline where the concentrated water self-suction mechanism is communicated with the first electromagnetic valve. Leading dense water filter unit sets up to the cotton filter core of PP or CB composite filter core, can carry out first heavy filtration to the dense water that gets into the EDR unit, reduces the macromolecular impurity that gets into the EDR unit, reduces the risk of EDR unit scale deposit.
Preferably, a raw water self-suction mechanism is further arranged and is assembled at a pipeline where the raw water tank is communicated with the second electromagnetic valve. The raw water is from inhaling the mechanism and setting up to the self priming pump, can improve the velocity of flow that the raw water got into the EDR unit through the self priming pump, improves the water purification rate of EDR unit.
Preferably, a pre-raw water filtering unit is further provided, and the pre-raw water filtering unit is assembled at a pipeline where the raw water self-priming mechanism is communicated with the second electromagnetic valve. Leading raw water filter unit sets up to the cotton filter core of PP or CB composite filter core, can carry out first heavy filtration to the raw water that gets into the EDR unit, reduces the macromolecule impurity that gets into the EDR unit, reduces the risk of EDR unit scale deposit.
Preferably, a pure water treatment unit is further arranged and is communicated with the pure water tank pipeline. The pure water treatment unit can carry out secondary disinfection and sterilization treatment on the pure water generated by the EDR unit, and the quality of the pure water is ensured.
Preferably, the pure water treatment unit is provided with a pure water self-suction mechanism, a heating mechanism, a water-vapor separation mechanism and an overflow pipe, wherein a water inlet of the pure water self-suction mechanism is communicated with a pipeline of the pure water tank, a water outlet of the pure water self-suction mechanism is communicated with a water inlet pipeline of the heating mechanism, a water outlet of the heating mechanism is communicated with a pipeline of the water-vapor separation mechanism, and the overflow pipe is communicated with the water-vapor separation mechanism and the pure water tank.
Furthermore, a post-filter unit is also arranged and is assembled at the pipeline between the fourth electromagnetic valve and the pure water tank. The rear-mounted filtering unit is set as a rear-mounted carbon rod, so that pure water generated by the EDR unit can be filtered again, and the quality of the pure water is improved.
Furthermore, a UV sterilization module is also arranged and is assembled in the pure water tank. The UV sterilization module can carry out sterilization and disinfection treatment on the pure water stored in the pure water tank, so that the water quality of the pure water is further ensured.
Further, still be provided with TDS measuring unit, preferably, above-mentioned TDS measuring unit assembles inside the thick water tank. The TDS measuring unit can measure the TDS value of the concentrated water in the concentrated water tank, and the concentrated water in the concentrated water tank is replaced after the TDS value of the concentrated water reaches a preset value.
A water purifying system of the table-board type water purifier is provided with a raw water tank, a concentrated water tank, an EDR unit with an interchangeable electrode, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve. Change the pipeline that raw water and dense water got into the EDR unit through first solenoid valve and second solenoid valve, change the outflow pipeline of the dense water and the dense water that the EDR unit produced through third solenoid valve and fourth solenoid valve, accomplish the operation of falling utmost point of EDR unit, the dense water pipeline can flow back to the dense water that the EDR unit produced, make dense water filter once more, improve the pure useless ratio of producing water, the two-box structure that utilizes water purification system can improve the stability of EDR electrodialysis water purification system that falls, and EDR electrodialysis water purification system that falls is through regular operation of falling utmost point, can also reduce the risk of system's scale deposit.
Drawings
The present invention will be further described with reference to the accompanying drawings, but the contents in the drawings do not constitute any limitation to the present invention.
Fig. 1 is a schematic structural diagram of a double-tank reversed-polarity electrodialysis water purification system.
FIG. 2 is a schematic diagram showing the structure of a two-tank reverse-osmosis water purification system with a pure water treatment unit according to example 2.
In fig. 1 to 2, the method includes:
a raw water tank 100, a concentrated water tank 200, an EDR unit 300,
A first solenoid valve 400, a second solenoid valve 500, a third solenoid valve 600, a fourth solenoid valve 700,
Pure water tank 800, concentrated water pipeline 900,
A concentrated water self-suction mechanism 1000, a prepositive concentrated water filtering unit 1100,
A raw water self-suction mechanism 1200, a prepositive raw water filtering unit 1300,
A post-positioned filter unit 1400, a UV sterilization module 1500,
A TDS measuring unit 1600, a pure water processing unit 1700,
A pure water self-suction mechanism 1701, a heating mechanism 1702, a water-vapor separation mechanism 1703 and an overflow pipe 1704.
Detailed Description
The present invention will be further illustrated with reference to the following examples.
Example 1.
A double-tank reversed electrodialysis water purification system is provided with a raw water tank 100, a concentrated water tank, an EDR unit 300 with a reversible electrode, a first electromagnetic valve 400, a second electromagnetic valve 500, a third electromagnetic valve 600 and a fourth electromagnetic valve 700 as shown in figure 1.
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 concentrated water. The structure and principles of the EDR unit 300300 are well known in the art and will not be described in detail herein.
In this embodiment, the EDR unit 300 is provided with a first water inlet, a second water inlet, a first water outlet and a second water outlet, the raw water tank 100 is communicated with the second water inlet of the EDR unit 300 through the second electromagnetic valve 500, the concentrated water tank 200 is communicated with the first water inlet through the first electromagnetic valve 400, the first water outlet is communicated with the concentrated water pipeline 900 through the third electromagnetic valve 600, and the second water outlet is communicated with the pure water pipeline through the fourth electromagnetic valve 700.
In this embodiment, the first solenoid valve 400, the second solenoid valve 500, the third solenoid valve 600 and the fourth solenoid valve 700 are all provided with a switching channel, when the electrode of the EDR unit 300 is switched, the raw water tank 100 is communicated with the first water inlet of the EDR unit 300 through the switching channel of the second solenoid valve 500, the concentrated water tank 200 is communicated with the second water inlet of the EDR unit 300 through the switching channel of the first solenoid valve 400, the first water outlet of the EDR unit 300 is communicated with the pure water pipeline through the switching channel of the third solenoid valve 600, and the second water outlet of the EDR unit 300 is communicated with the concentrated water pipeline 900 through the switching channel of the fourth solenoid valve 700.
In this embodiment, the first solenoid valve 400 is a three-way solenoid valve, the switching channel of the first solenoid valve 400 is set to be the second water outlet end of the first solenoid valve 400, the concentrated water tank 200 is communicated with the water inlet end of the first solenoid valve 400, the first water outlet end of the first solenoid valve 400 is communicated with the first water inlet of the EDR unit 300, and the second water outlet end of the first solenoid valve 400 is communicated with the second water inlet of the EDR unit 300.
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 raw water tank 100 is communicated with the water inlet end of the second solenoid valve 500, the first water outlet end of the second solenoid valve 500 is communicated with the second water inlet of the EDR unit 300, and the second water outlet end of the second solenoid valve 500 is communicated with the first water inlet of the EDR unit 300.
Further, a pure water tank 800 is provided, and the pure water tank 800 can temporarily store unused pure water.
In this embodiment, the third solenoid valve 600 is a three-way solenoid valve, the switching channel of the third solenoid valve 600 is a second water outlet end of the third solenoid valve 600, the water inlet end of the third solenoid valve 600 is communicated with the first water outlet of the EDR unit 300, the first water outlet end of the third solenoid valve 600 is communicated with the concentrated water tank 200 through the concentrated water pipeline 900, and the second water outlet end of the third solenoid valve 600 is communicated with the pure water tank 800 through the pure water pipeline.
The fourth solenoid valve 700 is a three-way solenoid valve, the switching channel of the fourth solenoid valve 700 is the second water outlet end of the fourth solenoid valve 700, the water inlet end of the fourth solenoid valve 700 is communicated with the second water outlet of the EDR unit 300, the first water outlet end of the fourth solenoid valve 700 is communicated with the pure water tank 800, and the second water outlet end of the fourth solenoid valve 700 is communicated with the concentrated water tank 200 through the concentrated water pipeline 900.
When the system is in a normal water purification working condition, the second water outlet end of the first electromagnetic valve 400 and the second water outlet end of the second electromagnetic valve 500 are closed, the concentrated water in the concentrated water tank 200 enters the first water inlet of the EDR unit 300 through the first water outlet end of the first electromagnetic valve 400, the raw water in the raw water tank 100 enters the second water inlet of the EDR unit 300 through the first water outlet end of the second electromagnetic valve 500, the second water outlet end of the third electromagnetic valve 600 and the second water outlet end of the fourth electromagnetic valve 700 are closed, the concentrated water generated by the EDR unit 300 flows into the concentrated water pipeline 900 through the first water outlet end of the third electromagnetic valve 600, and the pure water generated by the EDR unit 300 enters the pure water tank 800 through the first water outlet end of the fourth electromagnetic valve 700.
When the system is in the reverse polarity cleaning working condition, the first water outlet end of the first electromagnetic valve 400 and the first water outlet end of the second electromagnetic valve 500 are closed, the concentrated water in the concentrated water tank 200 enters the second water inlet of the EDR unit 300 through the second water outlet end of the first electromagnetic valve 400, the raw water in the raw water tank 100 enters the first water inlet of the EDR unit 300 through the second water outlet end of the second electromagnetic valve 500, the first water outlet end of the third electromagnetic valve 600 and the first water outlet end of the fourth electromagnetic valve 700 are closed, the concentrated water generated by the EDR unit 300 is discharged from the second water outlet, flows into the concentrated water pipeline 900 through the second water outlet end of the fourth electromagnetic valve 700, the pure water generated by the EDR unit 300 is discharged from the first water outlet, and enters the pure water tank 800 through the second water outlet end of the third electromagnetic valve 600.
In the working condition of reversed-pole cleaning, the positive electrode and the negative electrode of the EDR unit 300 are exchanged, namely, the reversed-pole operation of the EDR unit 300 is performed by adjusting the first electromagnetic valve 400, the second electromagnetic valve 500, the third electromagnetic valve 600 and the fourth electromagnetic valve 700, concentrated water generated by the EDR unit 300 after reversed-pole operation enters a raw water channel in the EDR unit 300, raw water enters the raw concentrated water channel in the EDR unit 300, and the concentrated water and the raw water run in independent pipelines and are not in contact with each other. The EDR unit 300 is cleaned by reversing the polarity regularly, so that macromolecular substances accumulated in the long-term water purification process of the water purification system can be reduced, the water purification stability of the system is improved, and the risk of scaling of the system can be reduced.
In this embodiment, a concentrated water self-suction mechanism 1000 is further provided, and the concentrated water self-suction mechanism 1000 is assembled at a pipeline where the concentrated water tank 200 is communicated with the first electromagnetic valve 400. Dense water is from inhaling mechanism 1000 sets up to the self priming pump, can improve the velocity of flow that dense water got into EDR unit 300 through the self priming pump, improves EDR unit 300's water purification rate.
In this embodiment, a pre-concentrated water filtering unit 1100 is further provided, and the pre-concentrated water filtering unit 1100 is assembled at a pipeline where the concentrated water self-suction mechanism 1000 communicates with the first electromagnetic valve 400. Leading dense water filter unit 1100 sets up to the cotton filter core of PP, can carry out first heavy filtration to the dense water that gets into the EDR unit, reduces the macromolecule impurity that gets into EDR unit 300, reduces the risk of the scale deposit of EDR unit 300.
It should be noted that the pre-concentrated water filtering unit 1100 may also be configured as a CB composite filter element, and the skilled person may select the pre-concentrated water filtering unit according to actual situations.
In this embodiment, a raw water self-priming mechanism 1200 is further provided, and the raw water self-priming mechanism 1200 is mounted at a pipeline where the raw water tank 100 communicates with the second electromagnetic valve 500. Raw water is from inhaling mechanism 1200 and is set up to the self priming pump, can improve the velocity of flow that raw water got into EDR unit 300 through the self priming pump, improves the water purification rate of EDR unit 300.
In this embodiment, a pre-raw water filtering unit 1300 is further provided, and the pre-raw water filtering unit 1300 is mounted at a pipeline where the raw water self-priming mechanism 1200 communicates with the second electromagnetic valve 500. Leading raw water filter unit 1300 sets up to the cotton filter core of PP, can carry out first heavy filtration to the raw water that gets into the EDR unit, reduces the macromolecular impurity that gets into EDR unit 300, reduces the risk of the scale deposit of EDR unit 300.
It should be noted that the pre-raw water filtering unit 1300 may also be configured as a CB composite filter element, and a technician may select the filter element according to actual situations.
In this embodiment, a post-filter unit 1400 is further provided, and the post-filter unit 1400 is installed at a pipeline between the fourth solenoid valve 700 and the pure water tank 800. The rear filter unit 1400 is provided as a rear carbon rod, and may re-filter the pure water generated by the EDR unit 300, thereby improving the quality of the pure water.
It should be noted that the PP cotton filter element, the CB composite filter element and the rear carbon rod all have strong adsorption capacity, and can adsorb macromolecular impurities in water, and the purification of raw water by using materials with strong adsorption capacity, such as activated carbon, belongs to the common general knowledge in the art, and the structure and the working principle thereof are not described herein again.
In this embodiment, a UV sterilization module 1500 is further provided, and the UV sterilization module 1500 is assembled to the pure water tank 800. The UV sterilization module 1500 may sterilize pure water in the pure water tank 800 to ensure the quality of the pure water.
In this embodiment, a TDS measuring unit 1600 is further provided, and the TDS measuring unit 1600 is assembled inside the thick water tank 200. The TDS measuring unit 1600 may measure a TDS value of the concentrate in the concentrate tank 200, and replace the concentrate in the concentrate tank 200 after the TDS value of the concentrate reaches a preset value.
A double-tank reversed electrodialysis water purification system is provided with a raw water tank 100, a concentrated water tank, an EDR unit 300 with electrodes capable of being reversed, a first electromagnetic valve 400, a second electromagnetic valve 500, a third electromagnetic valve 600 and a fourth electromagnetic valve 700. The water inlet that flows back EDR unit 300 through dense water pipeline 900 with dense water again, can carry out the secondary filtration to the dense water that produces, improve the pure useless ratio of producing water, utilize two case structures can improve EDR electrodialysis water purification system's of inverting stability, and EDR electrodialysis water purification system of inverting passes through the operation of regularly inverting, through the operation of inverting of EDR unit 300, change the water inlet of raw water and dense water, wash the contaminated impurities of accumulation in filter membrane and the pipeline in the EDR unit 300, reduce the risk of system scale deposit, guarantee the quality of water that EDR unit 300 produced water.
Example 2.
A double-box reversed-polarity electrodialysis water purification system is shown in figure 2, and the other structures are the same as those of the embodiment 1, except that: the water purification system in this embodiment is further provided with a pure water processing unit 1700, and the pure water processing unit 1700 is in pipeline communication with the pure water tank 800. The pure water treatment unit 1700 may perform a further sterilization treatment on the pure water generated by the EDR unit 300 to ensure the quality of the pure water.
In this embodiment, the pure water processing unit 1700 is provided with a pure water self-suction mechanism 1701, a heating mechanism 1702, a water-vapor separation mechanism 1703, and an overflow pipe 1704, wherein a water inlet of the pure water self-suction mechanism 1701 is communicated with a pipeline of the pure water tank 800, a water outlet of the pure water self-suction mechanism 1701 is communicated with a water inlet pipeline of the heating mechanism 1702, a water outlet of the heating mechanism 1702 is communicated with a pipeline of the water-vapor separation mechanism 1703, and the overflow pipe 1704 is communicated with the water-vapor separation mechanism 1703 and the.
The double-tank reversed-polarity electrodialysis water purification system of the embodiment is provided with a pure water treatment unit 1700, and the pure water treatment unit 1700 is communicated with the pure water tank 800 through a pipeline. The pure water self-suction mechanism 1701 can improve the flow rate of pure water flowing out from the pure water tank 800, the heating mechanism 1702 can perform reheating sterilization on the pure water, the water-vapor separation mechanism 1703 can cool and precipitate the pure water heated by the heating mechanism 1702 to ensure the water production quality of the pure water, and the overflow pipe 1704 can flow the pure water which is not utilized in the water-vapor separation mechanism 1703 back to the pure water tank 800800 again for storage, so that the waste of water resources is reduced.
Example 3.
A water purifying system of the table-board type water purifier is provided with a raw water tank, a concentrated water tank, an EDR unit with an interchangeable electrode, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve.
In this embodiment, the EDR unit is provided with first water inlet, second water inlet, first delivery port and second delivery port, and the second water inlet intercommunication of second solenoid valve and EDR unit is passed through to former water tank, and dense water tank passes through first solenoid valve and first water inlet intercommunication, and first delivery port passes through third solenoid valve and dense water pipeline intercommunication, and the second delivery port passes through fourth solenoid valve and pure water pipeline intercommunication.
In this embodiment, first solenoid valve, the second solenoid valve, third solenoid valve and fourth solenoid valve all are provided with the crossover passage, when the electrode of EDR unit was rearranged, the first water inlet intercommunication of crossover passage and EDR unit that former water tank passes through the second solenoid valve, the second water inlet intercommunication of crossover passage and EDR unit that dense water tank passes through first solenoid valve, the first delivery port of EDR unit passes through the crossover passage and the pure water pipeline intercommunication of third solenoid valve, the second delivery port of EDR unit passes through the crossover passage and the dense water pipeline intercommunication of fourth solenoid valve.
In this embodiment, first solenoid valve sets up to three solenoid valve, and the switching passageway of first solenoid valve sets up to the second of first solenoid valve and goes out water end, and the dense water case communicates with the inlet end pipeline of first solenoid valve, and the first water end of going out of first solenoid valve communicates with the first water inlet of EDR unit, and the second of first solenoid valve goes out water end and the second water inlet of EDR unit and communicates.
In this embodiment, the second solenoid valve sets up to three solenoid valve, and the switching passageway of second solenoid valve sets up to the second of second solenoid valve and goes out the water end, and former water tank and the water inlet end pipeline intercommunication of second solenoid valve, the first water end of going out of second solenoid valve and the second water inlet intercommunication of EDR unit, the second of second solenoid valve goes out the water end and the first water inlet intercommunication of EDR unit.
In this embodiment, a pure water tank is further provided. The pure water tank may temporarily store the pure water that is not used.
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 first water outlet of the EDR unit, the first water outlet end of the third electromagnetic valve is communicated with the concentrated water tank through a concentrated water pipeline, and the second water outlet end of the third electromagnetic valve is communicated with the pure water tank pipeline.
The fourth electromagnetic valve is set to be a three-way electromagnetic valve, a conversion channel of the fourth electromagnetic valve is a second water outlet end of the fourth electromagnetic valve, a water inlet end of the fourth electromagnetic valve is communicated with a second water outlet of the EDR unit, a first water outlet end of the fourth electromagnetic valve is communicated with the pure water tank pipeline, and a second water outlet end of the fourth electromagnetic valve is communicated with the concentrated water tank through a concentrated water pipeline.
When the system is in a normal water purification working condition, the second water outlet end of the first electromagnetic valve and the second water outlet end of the second electromagnetic valve are closed, concentrated water in the concentrated water tank enters the first water inlet of the EDR unit through the first water outlet end of the first electromagnetic valve, raw water in the raw water tank enters the second water inlet of the EDR unit through the first water outlet end of the second electromagnetic valve, the second water outlet end of the third electromagnetic valve and the second water outlet end of the fourth electromagnetic valve are closed, concentrated water generated by the EDR unit flows into a concentrated water pipeline 900 through the first water outlet end of the third electromagnetic valve, and pure water generated by the EDR unit enters the pure water tank through the first water outlet end of the fourth electromagnetic valve;
when the system is in a reverse-polarity cleaning working condition, a first water outlet end of the first electromagnetic valve and a first water outlet end of the second electromagnetic valve are closed, concentrated water in the concentrated water tank enters a second water inlet of the EDR unit through a second water outlet end of the first electromagnetic valve, raw water in the raw water tank enters a first water inlet of the EDR unit through a second water outlet end of the second electromagnetic valve, a first water outlet end of the third electromagnetic valve and a first water outlet end of the fourth electromagnetic valve are closed, concentrated water generated by the EDR unit is discharged from the second water outlet and flows into a concentrated water pipeline through a second water outlet end of the fourth electromagnetic valve, and pure water generated by the EDR unit is discharged from the first water outlet and enters the pure water tank through a second water outlet end of the third electromagnetic valve. In the working condition of reversed electrode cleaning, the positive electrode and the negative electrode of the EDR unit are exchanged, namely, the reversed electrode operation of the EDR unit is carried out by adjusting the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve, concentrated water generated by the EDR unit after reversed electrode enters a raw water channel in the EDR unit, raw water enters a raw concentrated water channel in the EDR unit, and the concentrated water and the raw water run in independent pipelines and are not in contact with each other. The EDR unit is cleaned by reversing the polarity regularly, so that macromolecular substances accumulated in the long-term water purification process of the water purification system can be reduced, the water purification stability of the system is improved, and the risk of scaling of the system can be reduced.
In this embodiment, a concentrated water self-suction mechanism is further provided, and the concentrated water self-suction mechanism is assembled at a pipeline where the concentrated water tank is communicated with the first electromagnetic valve. Dense water is from inhaling mechanism and is set up to the self priming pump, can improve the velocity of flow that dense water got into the EDR unit through the self priming pump, improves the water purification rate of EDR unit.
In this embodiment, a pre-concentrated water filtering unit is further provided, and the pre-concentrated water filtering unit is assembled at a pipeline where the concentrated water self-suction mechanism is communicated with the first electromagnetic valve. Leading dense water filter unit sets up to the cotton filter core of PP or CB composite filter core, can carry out first heavy filtration to the dense water that gets into the EDR unit, reduces the macromolecular impurity that gets into the EDR unit, reduces the risk of EDR unit scale deposit.
In this embodiment, a raw water self-priming mechanism is further provided, and the raw water self-priming mechanism is assembled at a pipeline where the raw water tank is communicated with the second electromagnetic valve. The raw water is from inhaling the mechanism and setting up to the self priming pump, can improve the velocity of flow that the raw water got into the EDR unit through the self priming pump, improves the water purification rate of EDR unit.
In this embodiment, a pre-raw water filtering unit is further provided, and the pre-raw water filtering unit is assembled at a pipeline where the raw water self-priming mechanism is communicated with the second electromagnetic valve. Leading raw water filter unit sets up to the cotton filter core of PP or CB composite filter core, can carry out first heavy filtration to the raw water that gets into the EDR unit, reduces the macromolecule impurity that gets into the EDR unit, reduces the risk of EDR unit scale deposit.
Furthermore, a post-filter unit is also arranged and is assembled at the pipeline between the fourth electromagnetic valve and the pure water tank. The rear-mounted filtering unit is set as a rear-mounted carbon rod, so that pure water generated by the EDR unit can be filtered again, and the quality of the pure water is improved.
Furthermore, a UV sterilization module is also arranged and is assembled in the pure water tank. The UV sterilization module can carry out sterilization and disinfection treatment on the pure water stored in the pure water tank, so that the water quality of the pure water is further ensured.
Further, still be provided with TDS measuring unit, preferred, TDS measuring unit assembles inside the thick water tank. The TDS measuring unit can measure the TDS value of the concentrated water in the concentrated water tank, and the concentrated water in the concentrated water tank is replaced after the TDS value of the concentrated water reaches a preset value.
A water purifying system of the table-board type water purifier is provided with a raw water tank, a concentrated water tank, an EDR unit with an interchangeable electrode, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve. Change the pipeline that raw water and dense water got into the EDR unit through first solenoid valve and second solenoid valve, change the outflow pipeline of the dense water and the dense water that the EDR unit produced through third solenoid valve and fourth solenoid valve, accomplish the operation of falling utmost point of EDR unit, the dense water pipeline can flow back to the dense water that the EDR unit produced, make dense water filter once more, improve the pure useless ratio of producing water, the two-box structure that utilizes water purification system can improve the stability of EDR electrodialysis water purification system that falls, and EDR electrodialysis water purification system that falls is through regular operation of falling utmost point, can also reduce the risk of system's scale deposit.
Example 4.
A table-board type water purifier, the other structures are the same as embodiment 3, and the difference is that: the table-top water purifier in this embodiment is further provided with a pure water treatment unit, and the pure water treatment unit is communicated with the pure water tank pipeline. The pure water treatment unit can carry out secondary disinfection and sterilization treatment on the pure water generated by the EDR unit, and the quality of the pure water is ensured.
In this embodiment, the pure water processing unit is provided with pure water from inhaling mechanism, heating mechanism, vapor separation mechanism and overflow pipe, and the water inlet of pure water from inhaling the mechanism communicates with the pipeline of pure water case, and the delivery port of pure water from inhaling the mechanism communicates with the water inlet pipeline of heating mechanism, and the delivery port and the vapor separation mechanism pipeline of heating mechanism communicate, overflow pipe intercommunication vapor separation mechanism and pure water case.
The water purification system of the counter-top water purifier according to the present embodiment re-treats pure water generated by the EDR unit by the pure water treatment unit, which is connected to the pure water tank line. The pure water is from inhaling the velocity of flow that the pure water outflow in the mechanism can improve the pure water tank, and heating mechanism can carry out reheat sterilization to the pure water, and vapor-water separation mechanism can cool off, deposit the pure water after the heating of heating mechanism, guarantees the product water quality of pure water, and the overflow pipe can flow back to the pure water tank once more with the pure water that is not utilized in the vapor-water separation mechanism and store, reduces the waste of water resource.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (30)

1. The utility model provides a two case reversal electrodialysis water purification system which characterized in that: the device is provided with a raw water tank, a concentrated water tank, an EDR unit with a replaceable electrode, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth 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, the raw water tank is communicated with the second water inlet of the EDR unit through a second electromagnetic valve, the concentrated water tank is communicated with the first water inlet through a first electromagnetic valve, the first water outlet is communicated with a concentrated water pipeline through a third electromagnetic valve, the concentrated water pipeline is communicated with the concentrated water tank, and the second water outlet is communicated with a pure water pipeline through a fourth electromagnetic valve;
first solenoid valve, second solenoid valve, third solenoid valve and fourth solenoid valve all are provided with the conversion passageway, and when the electrode of EDR unit was rearranged, former water tank passed through the conversion passageway of second solenoid valve and the first water inlet intercommunication of EDR unit, the second water inlet intercommunication of conversion passageway and EDR unit that thick water tank passes through first solenoid valve, and the first delivery port of EDR unit passes through the conversion passageway and the pure water pipeline intercommunication of third solenoid valve, and the second delivery port of EDR unit passes through the conversion passageway and the thick water pipeline intercommunication of fourth solenoid valve.
2. The double-tank reverse-electrodialysis water purification system according to claim 1, wherein: the first electromagnetic valve is set to be a three-way electromagnetic valve, a conversion channel of the first electromagnetic valve is a second water outlet end of the first electromagnetic valve, the concentrated water tank is communicated with a water inlet end pipeline of the first electromagnetic valve, a first water outlet end of the first electromagnetic valve is communicated with a first water inlet of the EDR unit, and a second water outlet end of the first electromagnetic valve is communicated with a second water inlet of the EDR unit.
3. The double-tank reverse-electrodialysis water purification system according to claim 1, wherein: the second electromagnetic valve is set to be a three-way electromagnetic valve, a conversion channel of the second electromagnetic valve is a second water outlet end of the second electromagnetic valve, the raw water tank is communicated with a water inlet end pipeline of the second electromagnetic valve, a first water outlet end of the second electromagnetic valve is communicated with a second water inlet of the EDR unit, and a second water outlet end of the second electromagnetic valve is communicated with a first water inlet of the EDR unit.
4. The double-tank reverse-electrodialysis water purification system according to claim 1, wherein: a pure water tank is also arranged;
the third electromagnetic valve is a three-way electromagnetic valve, a conversion 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 a first water outlet of the EDR unit, a first water outlet end of the third electromagnetic valve is communicated with the concentrated water tank through a concentrated water pipeline, and a second water outlet end of the third electromagnetic valve is communicated with the pure water tank through a pure water pipeline.
5. The double-tank reverse-electrodialysis water purification system according to claim 4, wherein: the fourth electromagnetic valve is set to be a three-way electromagnetic valve, a conversion channel of the fourth electromagnetic valve is a second water outlet end of the fourth electromagnetic valve, a water inlet end of the fourth electromagnetic valve is communicated with a second water outlet of the EDR unit, a first water outlet end of the fourth electromagnetic valve is communicated with the pure water tank pipeline, and a second water outlet end of the fourth electromagnetic valve is communicated with the concentrated water tank through a concentrated water pipeline.
6. The double-tank reverse-electrodialysis water purification system according to claim 5, wherein: when the system is in a normal water purification working condition, the second water outlet end of the first electromagnetic valve and the second water outlet end of the second electromagnetic valve are closed, concentrated water in the concentrated water tank enters the first water inlet of the EDR unit through the first water outlet end of the first electromagnetic valve, raw water in the raw water tank enters the second water inlet of the EDR unit through the first water outlet end of the second electromagnetic valve, the second water outlet end of the third electromagnetic valve and the second water outlet end of the fourth electromagnetic valve are closed, concentrated water generated by the EDR unit flows into a concentrated water pipeline through the first water outlet end of the third electromagnetic valve, and pure water generated by the EDR unit enters the pure water tank through the first water outlet end of the fourth electromagnetic valve;
when the system is in a reverse-polarity cleaning working condition, a first water outlet end of the first electromagnetic valve and a first water outlet end of the second electromagnetic valve are closed, concentrated water in the concentrated water tank enters a second water inlet of the EDR unit through a second water outlet end of the first electromagnetic valve, raw water in the raw water tank enters a first water inlet of the EDR unit through a second water outlet end of the second electromagnetic valve, a first water outlet end of the third electromagnetic valve and a first water outlet end of the fourth electromagnetic valve are closed, concentrated water generated by the EDR unit is discharged from the second water outlet and flows into a concentrated water pipeline through a second water outlet end of the fourth electromagnetic valve, and pure water generated by the EDR unit is discharged from the first water outlet and enters the pure water tank through a second water outlet end of the third electromagnetic valve.
7. The double-tank reverse-electrodialysis water purification system according to claim 6, wherein: the concentrated water self-suction mechanism is assembled at a pipeline where the concentrated water tank is communicated with the first electromagnetic valve.
8. The double-tank reverse-electrodialysis water purification system according to claim 7, wherein: the device is also provided with a preposed concentrated water filtering unit which is assembled at a pipeline where the concentrated water self-suction mechanism is communicated with the first electromagnetic valve.
9. The double-tank reverse-electrodialysis water purification system according to claim 8, wherein: the raw water self-suction mechanism is also arranged and assembled at the pipeline where the raw water tank is communicated with the second electromagnetic valve.
10. The double-tank reverse-electrodialysis water purification system according to claim 9, wherein: the device is also provided with a preposed raw water filtering unit which is assembled at a pipeline where the raw water self-suction mechanism is communicated with the second electromagnetic valve.
11. The double-tank reverse-electrodialysis water purification system according to claim 10, wherein: and the pure water treatment unit is also arranged and is communicated with the pure water tank pipeline.
12. The double-tank reverse-electrodialysis water purification system according to claim 11, wherein: the pure water treatment unit is provided with a pure water self-absorption mechanism, a heating mechanism, a water-vapor separation mechanism and an overflow pipe, wherein a water inlet of the pure water self-absorption mechanism is communicated with a pipeline of the pure water tank, a water outlet of the pure water self-absorption mechanism is communicated with a water inlet pipeline of the heating mechanism, a water outlet of the heating mechanism is communicated with a water-vapor separation mechanism pipeline, and the overflow pipe is communicated with the water-vapor separation mechanism and the pure water tank.
13. The double-tank reverse-electrodialysis water purification system according to claim 12, wherein: the water purifier is also provided with a post-filter unit which is assembled at the pipeline between the fourth electromagnetic valve and the pure water tank.
14. The double-tank reverse-electrodialysis water purification system according to claim 13, wherein: still be provided with the UV module of disinfecting, the UV module of disinfecting assembles in the pure water case.
15. The double-tank reverse-electrodialysis water purification system according to claim 14, wherein: still be provided with TDS measuring unit, TDS measuring unit assembles inside dense water tank.
16. A mesa formula water purifier which characterized in that: the water purification system is provided with a raw water tank, a concentrated water tank, an EDR unit with an interchangeable electrode, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth 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, the raw water tank is communicated with the second water inlet of the EDR unit through a second electromagnetic valve, the concentrated water tank is communicated with the first water inlet through a first electromagnetic valve, the first water outlet is communicated with a concentrated water pipeline through a third electromagnetic valve, and the second water outlet is communicated with a pure water pipeline through a fourth electromagnetic valve;
first solenoid valve, second solenoid valve, third solenoid valve and fourth solenoid valve all are provided with the conversion passageway, when the electrode of EDR unit was rearranged, the first water inlet intercommunication of conversion passageway and EDR unit that former water tank passes through the second solenoid valve, the second water inlet intercommunication of conversion passageway and EDR unit that dense water tank passes through first solenoid valve, the first delivery port of EDR unit passes through the conversion passageway and the pure water pipeline intercommunication of third solenoid valve, the second delivery port of EDR unit passes through the conversion passageway and the dense water pipeline intercommunication of fourth solenoid valve.
17. The countertop water purifier of claim 16, wherein: the first electromagnetic valve is set to be a three-way electromagnetic valve, a conversion channel of the first electromagnetic valve is set to be a second water outlet end of the first electromagnetic valve, the concentrated water tank is communicated with a water inlet end pipeline of the first electromagnetic valve, a first water outlet end of the first electromagnetic valve is communicated with a first water inlet of the EDR unit, and a second water outlet end of the first electromagnetic valve is communicated with a second water inlet of the EDR unit.
18. The countertop water purifier of claim 17, wherein: the second electromagnetic valve is set to be a three-way electromagnetic valve, a conversion channel of the second electromagnetic valve is set to be a second water outlet end of the second electromagnetic valve, the raw water tank is communicated with a water inlet end pipeline of the second electromagnetic valve, a first water outlet end of the second electromagnetic valve is communicated with a second water inlet of the EDR unit, and a second water outlet end of the second electromagnetic valve is communicated with a first water inlet of the EDR unit.
19. The countertop water purifier of claim 18, wherein: a pure water tank is also arranged;
the third electromagnetic valve is set to be a three-way electromagnetic valve, a conversion channel of the third electromagnetic valve is set to be a second water outlet end of the third electromagnetic valve, a water inlet end of the third electromagnetic valve is communicated with a first water outlet of the EDR unit, a first water outlet end of the third electromagnetic valve is communicated with the concentrated water tank through a concentrated water pipeline, and a second water outlet end of the third electromagnetic valve is communicated with the pure water tank through a pure water pipeline.
20. The countertop water purifier of claim 19, wherein: the fourth electromagnetic valve is set to be a three-way electromagnetic valve, a conversion channel of the fourth electromagnetic valve is a second water outlet end of the fourth electromagnetic valve, a water inlet end of the fourth electromagnetic valve is communicated with a second water outlet of the EDR unit, a first water outlet end of the fourth electromagnetic valve is communicated with the pure water tank pipeline, and a second water outlet end of the fourth electromagnetic valve is communicated with the concentrated water tank through a concentrated water pipeline.
21. The countertop water purifier of claim 20, wherein: when the system is in a normal water purification working condition, the second water outlet end of the first electromagnetic valve and the second water outlet end of the second electromagnetic valve are closed, concentrated water in the concentrated water tank enters the first water inlet of the EDR unit through the first water outlet end of the first electromagnetic valve, raw water in the raw water tank enters the second water inlet of the EDR unit through the first water outlet end of the second electromagnetic valve, the second water outlet end of the third electromagnetic valve and the second water outlet end of the fourth electromagnetic valve are closed, concentrated water generated by the EDR unit flows into a concentrated water pipeline through the first water outlet end of the third electromagnetic valve, and pure water generated by the EDR unit enters the pure water tank through the first water outlet end of the fourth electromagnetic valve;
when the system is in a reverse-polarity cleaning working condition, a first water outlet end of the first electromagnetic valve and a first water outlet end of the second electromagnetic valve are closed, concentrated water in the concentrated water tank enters a second water inlet of the EDR unit through a second water outlet end of the first electromagnetic valve, raw water in the raw water tank enters a first water inlet of the EDR unit through a second water outlet end of the second electromagnetic valve, a first water outlet end of the third electromagnetic valve and a first water outlet end of the fourth electromagnetic valve are closed, concentrated water generated by the EDR unit is discharged from the second water outlet and flows into a concentrated water pipeline through a second water outlet end of the fourth electromagnetic valve, and pure water generated by the EDR unit is discharged from the first water outlet and enters the pure water tank through a second water outlet end of the third electromagnetic valve.
22. The countertop water purifier of claim 21, wherein: the concentrated water self-suction mechanism is assembled at a pipeline where the concentrated water tank is communicated with the first electromagnetic valve.
23. The countertop water purifier of claim 22, wherein: the device is also provided with a preposed concentrated water filtering unit which is assembled at a pipeline where the concentrated water self-suction mechanism is communicated with the first electromagnetic valve.
24. The countertop water purifier of claim 21, wherein: the raw water self-suction mechanism is also arranged and assembled at the pipeline where the raw water tank is communicated with the second electromagnetic valve.
25. The countertop water purifier of claim 24, wherein: the device is also provided with a preposed raw water filtering unit which is assembled at a pipeline where the raw water self-suction mechanism is communicated with the second electromagnetic valve.
26. The countertop water purifier of claim 25, wherein: and the pure water treatment unit is also arranged and is communicated with the pure water tank pipeline.
27. The countertop water purifier of claim 26, wherein: the pure water treatment unit is provided with a pure water self-absorption mechanism, a heating mechanism, a water-vapor separation mechanism and an overflow pipe, wherein a water inlet of the pure water self-absorption mechanism is communicated with a pipeline of the pure water tank, a water outlet of the pure water self-absorption mechanism is communicated with a water inlet pipeline of the heating mechanism, a water outlet of the heating mechanism is communicated with a water-vapor separation mechanism pipeline, and the overflow pipe is communicated with the water-vapor separation mechanism and the pure water tank.
28. The countertop water purifier of claim 27, wherein: the water purifier is also provided with a post-filter unit which is assembled at the pipeline between the fourth electromagnetic valve and the pure water tank.
29. The countertop water purifier of claim 28, wherein: still be provided with the UV module of disinfecting, the UV module of disinfecting assembles in the pure water case.
30. The countertop water purifier of claim 29, wherein: still be provided with TDS measuring unit, TDS measuring unit assembles inside dense water tank.
CN201921678164.4U 2019-10-09 2019-10-09 Double-box inverted electrodialysis water purification system and table top type water purifier thereof Active CN211255379U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114163048A (en) * 2020-12-10 2022-03-11 佛山市美的清湖净水设备有限公司 Water purification system and TDS (total dissolved solids) quick switching method of water purification system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114163048A (en) * 2020-12-10 2022-03-11 佛山市美的清湖净水设备有限公司 Water purification system and TDS (total dissolved solids) quick switching method of water purification system

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