CN110526351A

CN110526351A - A kind of double case pole-reversing electroosmosis water purification systems and its platform-type water purifier

Info

Publication number: CN110526351A
Application number: CN201910954231.9A
Authority: CN
Inventors: 陈小平
Original assignee: Foshan Viomi Electrical Technology Co Ltd
Current assignee: Guangdong Lizi Technology Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2019-12-03

Abstract

A kind of double case pole-reversing electroosmosis water purification systems and its platform-type water purifier, water purification is carried out by double case pole-reversing electroosmosis water purification systems, water purification system is provided with raw water box, concentrated water case, the EDR unit that can switch electrode, the first solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve.Change raw water by the first solenoid valve and second solenoid valve and concentrated water enters the pipeline of EDR unit, change the outflow pipeline of concentrated water and concentrated water that EDR unit generates by third solenoid valve and the 4th solenoid valve, complete the operation of falling pole of EDR unit, the concentrated water that the concentrated water pipeline of system can generate EDR unit flows back, filter concentrated water again, propose the pure useless ratio of high yield water, the stability of EDR pole-reversing electroosmosis water purification system can be improved using double box structures of water purification system, and EDR pole-reversing electroosmosis water purification system passes through the regularly operation of falling pole, the risk of scaling can also be reduced.

Description

A kind of double case pole-reversing electroosmosis water purification systems and its platform-type water purifier

Technical field

The present invention relates to water purifier technical fields, more particularly to a kind of double case pole-reversing electroosmosis water purification systems and its table top Formula water purifier.

Background technique

Existing anti-penetration water purifier mostly uses greatly reverse osmosis filter core (commonly referred to as RO membrane filter) to carry out water purifying, instead Permeating filter core has reverse osmosis membrane.When raw water enters anti-penetration water purifier, applying certain pressure to raw water makes in raw water Hydrone and the mineral matter element of ionic state by reverse osmosis membrane, and the macromolecular inorganic salts in raw water include heavy metal ion, Organic matter, bacterium and virus etc. can not realize water purification effect by the lesser reverse osmosis membrane of fenestra.

Reverse osmosis membrane technology in the prior art not can be carried out the water quality for producing water and adjust again, i.e., cannot be to generation Concentrated water carries out filtering, utilization again, causes the waste of water resource, and when the ratio for producing the pure water in water and concentrated water of system is super It crosses after 3:1, the risk of reverse osmosis filter membrane operation will increase, and purification rate decline, the water quality for producing water can also be deteriorated accordingly.

Therefore, in view of the shortcomings of the prior art, providing a kind of double case pole-reversing electroosmosis water purification systems and its platform-type water purifier It is very necessary to overcome the deficiencies of the prior art.

Summary of the invention

One of the objects of the present invention is to provide a kind of double case pole-reversing electroosmosis water purification systems, can to the concentrated water of generation into Row filters again, proposes the pure useless ratio of high yield water, the stabilization of EDR pole-reversing electroosmosis water purification system can be improved using double box structures Property, and EDR pole-reversing electroosmosis water purification system passes through the regularly operation of falling pole, additionally it is possible to reduce the risk of scaling.

Above-mentioned purpose of the invention is realized by following technical measures.

A kind of double case pole-reversing electroosmosis water purification systems are provided, be provided with raw water box, concentrated water case, can switch electrode EDR it is mono- Member, the first solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve.

Preferably, above-mentioned EDR unit is provided with the first water inlet, the second water inlet, the first water outlet and the second water outlet, Raw water box is connected to by second solenoid valve with the second water inlet of EDR unit, and concentrated water case passes through the first solenoid valve and the first water inlet Mouth connection, the first water outlet pass through the 4th solenoid valve and pure water by third solenoid valve and concentrated water pipeline connection, the second water outlet Pipeline connection.

Preferably, it is logical to be provided with conversion for above-mentioned first solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve Road, when the electrode of EDR unit is switched, raw water box passes through the ALT-CH alternate channel of second solenoid valve and the first water inlet of EDR unit Connection, concentrated water case are connected to by the ALT-CH alternate channel of the first solenoid valve with the second water inlet of EDR unit, and the first of EDR unit goes out The mouth of a river is connected to by the ALT-CH alternate channel of third solenoid valve with pure water pipeline, and the second water outlet of EDR unit passes through the 4th solenoid valve ALT-CH alternate channel and concentrated water pipeline connection.

Preferably, above-mentioned first solenoid valve is set as three-way magnetic valve, and the ALT-CH alternate channel of the first solenoid valve is set as first The water inlet end pipeline connection of second water outlet of solenoid valve, concentrated water case and the first solenoid valve, the first water outlet of the first solenoid valve It is connected to the first water inlet of EDR unit, the second water outlet of the first solenoid valve is connected to the second water inlet of EDR unit.

Preferably, above-mentioned second solenoid valve is set as three-way magnetic valve, and the ALT-CH alternate channel of second solenoid valve is set as second The water inlet end pipeline connection of second water outlet of solenoid valve, raw water box and second solenoid valve, the first water outlet of second solenoid valve It is connected to the second water inlet of EDR unit, the second water outlet of second solenoid valve is connected to the first water inlet of EDR unit.

Further, it is additionally provided with pure water tank, pure water tank can temporarily store unemployed pure water.

Preferably, above-mentioned third solenoid valve is set as three-way magnetic valve, and the ALT-CH alternate channel of third solenoid valve is set as third Second water outlet of solenoid valve, the water inlet end of third solenoid valve are connected to the first water outlet of EDR unit, and the of third solenoid valve One water outlet is connected to by concentrated water pipeline with concentrated water case, the second water outlet of third solenoid valve and pure water tank pipeline connection.

4th solenoid valve is set as three-way magnetic valve, and the ALT-CH alternate channel of the 4th solenoid valve is the second water outlet of the 4th solenoid valve End, the water inlet end of the 4th solenoid valve are connected to the second water outlet of EDR unit, the first water outlet of the 4th solenoid valve and pure water tank Second water outlet of pipeline connection, the 4th solenoid valve is connected to by concentrated water pipeline with concentrated water case.

When system is in normal water purification operating condition, the second water outlet of the first solenoid valve and the second water outlet of second solenoid valve End is closed, and the concentrated water in concentrated water case enters the first water inlet of EDR unit through the first water outlet of the first solenoid valve, in raw water box Raw water enter the second water inlet of EDR unit, the second water outlet of third solenoid valve through the first water outlet of second solenoid valve It is closed with the second water outlet of the 4th solenoid valve, the concentrated water that EDR unit generates flows into dense through the first water outlet of third solenoid valve Water lines, the pure water that EDR unit generates enter pure water tank through the first water outlet of the 4th solenoid valve；

When system is in the cleaning of falling pole operating condition, the first water outlet of the first solenoid valve and the first water outlet of second solenoid valve End is closed, and the concentrated water in concentrated water case enters the second water inlet of EDR unit through the second water outlet of the first solenoid valve, in raw water box Raw water enter the first water inlet of EDR unit, the first water outlet of third solenoid valve through the second water outlet of second solenoid valve It is closed with the first water outlet of the 4th solenoid valve, the concentrated water that EDR unit generates is discharged from the second water outlet, through the 4th solenoid valve Second water outlet flows into concentrated water pipeline, and the pure water that EDR unit generates is discharged from the first water outlet, and second through third solenoid valve goes out Water end (W.E.) enters pure water tank.

In the cleaning of falling pole operating condition, the positive electrode of EDR unit and negative electrode are exchanged, i.e., by adjusting the first solenoid valve, Second solenoid valve, third solenoid valve and the 4th solenoid valve carry out the fall pole operation of EDR unit, extremely after the generation of EDR unit Concentrated water enters the raw water channel in EDR unit, and raw water enters the former concentrated water channel in EDR unit, and concentrated water is operated in raw water In independent pipeline, it is not in contact with each other.The cleaning of falling pole periodically is carried out to EDR unit, it is possible to reduce water purification system is in long-term water purification The macromolecular substances accumulated in the process, while improving the water purification stability of system, additionally it is possible to reduce the risk of scaling.

Preferably, it is additionally provided with concentrated water self-priming mechanism, concentrated water self-priming mechanism is assemblied in concentrated water case and is connected to the first solenoid valve Pipeline at.Concentrated water self-priming mechanism is set as self priming pump, and the flow velocity that concentrated water enters EDR unit can be improved by self priming pump, mention The water purification rate of high EDR unit.

Preferably, be additionally provided with preposition concentrated water filter element, preposition concentrated water filter element be assemblied in concentrated water self-priming mechanism with At the pipeline of first solenoid valve connection.Preposition concentrated water filter element is set as PP cotton filter element or CB composite filter element, can be to entrance The concentrated water of EDR unit carries out the first heavy filtration, reduces the big molecular impurity for entering EDR unit, reduces the wind of EDR unit fouling Danger.

Preferably, it is additionally provided with raw water self-priming mechanism, raw water self-priming mechanism is assemblied in raw water box and is connected to second solenoid valve Pipeline at.Raw water self-priming mechanism is set as self priming pump, and the flow velocity that raw water enters EDR unit can be improved by self priming pump, mention The water purification rate of high EDR unit.

Preferably, be additionally provided with preposition raw water filtration unit, preposition raw water filtration unit be assemblied in raw water self-priming mechanism with At the pipeline of second solenoid valve connection.Preposition raw water filtration unit is set as PP cotton filter element or CB composite filter element, can be to entrance The raw water of EDR unit carries out the first heavy filtration, reduces the big molecular impurity for entering EDR unit, reduces the wind of EDR unit fouling Danger.

Further, Pure water preparation unit, Pure water preparation unit and pure water tank pipeline connection are additionally provided with.Pure water preparation list Member can carry out disinfection and sterilization again to the pure water that EDR unit generates and handle, and guarantee the water quality of pure water.

Preferably, above-mentioned Pure water preparation unit is provided with pure water self-priming mechanism, heating mechanism, water-vapor separation mechanism and overflow Pipe, the water inlet of pure water self-priming mechanism and the pipeline connection of pure water tank, the water outlet of pure water self-priming mechanism and heating mechanism into Mouth of a river pipeline connection, the water outlet of heating mechanism and water-vapor separation mechanism pipeline connection, overflow pipe be connected to water-vapor separation mechanism and Pure water tank.The flow velocity of the outflow of the pure water in pure water tank can be improved in pure water self-priming mechanism, and heating mechanism can carry out pure water to add again Thermal sterilization, the pure water after water-vapor separation mechanism can heat heating mechanism carry out cooling, precipitate, and guarantee the production water quality of pure water, Pure water unemployed in water-vapor separation mechanism can be flowed back to again pure water tank storage by overflow pipe.

Preferably, it is additionally provided with postposition filter element, postposition filter element is assemblied between the 4th solenoid valve and pure water tank Pipeline at.Postposition filter element is set as postposition carbon-point, and the pure water that can be generated to EDR unit is for re-filtering, improves pure The water quality of water.

Preferably, it is additionally provided with UV sterilization module, UV sterilization module is assemblied in pure water tank.UV sterilization module can be to pure water tank In pure water sterilized, guarantee the water quality of pure water.

Preferably, it is additionally provided with TDS measuring unit, TDS measuring unit is assemblied in inside concentrated water case.TDS measuring unit can The TDS value for measuring concentrated water in concentrated water case replaces the concentrated water in concentrated water case after the TDS value of concentrated water reaches preset value.

A kind of double case pole-reversing electroosmosis water purification systems are provided with raw water box, concentrated water case, the EDR unit that can switch electrode, One solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve.It is mono- that concentrated water is flowed back into EDR again by concentrated water pipeline The water inlet of member, can be for re-filtering to the concentrated water of generation, proposes the pure useless ratio of high yield water, can be mentioned using double box structures The stability of high EDR pole-reversing electroosmosis water purification system, and EDR pole-reversing electroosmosis water purification system is led to by the regularly operation of falling pole The operation of falling pole for crossing EDR unit is exchanged the water inlet of raw water and concentrated water, to accumulating in the filter membrane and pipeline in EDR unit Pollution impurity cleaned, reduce the risk of scaling, guarantee that EDR unit produces the water quality of water.

Another object of the present invention is to provide a kind of platform-type water purifiers, can be to the dense of generation by its water purification system Water is for re-filtering, proposes the pure useless ratio of high yield water, and EDR pole-reversing electroosmosis can be improved using double box structures of water purification system The stability of water purification system, and EDR pole-reversing electroosmosis water purification system passes through the regularly operation of falling pole, additionally it is possible to reduce scaling Risk.

A kind of platform-type water purifier is provided, water purification system be provided with raw water box, concentrated water case, can switch electrode EDR it is mono- Member, the first solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve.

Preferably, above-mentioned EDR unit is provided with the first water inlet, the second water inlet, the first water outlet and the second water outlet, Raw water box is connected to by second solenoid valve with the second water inlet of EDR unit, and concentrated water case passes through the first solenoid valve and the first water inlet Mouth connection, the first water outlet pass through the 4th solenoid valve and pure water by third solenoid valve and concentrated water pipeline connection, the second water outlet Pipeline connection；

Preferably, it is additionally provided with pure water tank.Pure water tank can temporarily store unemployed pure water.

Preferably, above-mentioned 4th solenoid valve is set as three-way magnetic valve, and the ALT-CH alternate channel of the 4th solenoid valve is the 4th electromagnetism Second water outlet of valve, the water inlet end of the 4th solenoid valve are connected to the second water outlet of EDR unit, and the first of the 4th solenoid valve goes out Second water outlet of water end (W.E.) and pure water tank pipeline connection, the 4th solenoid valve is connected to by concentrated water pipeline with concentrated water case.

Preferably, Pure water preparation unit, Pure water preparation unit and pure water tank pipeline connection are additionally provided with.Pure water preparation unit Disinfection and sterilization again can be carried out to the pure water that EDR unit generates to handle, guarantee the water quality of pure water.

Preferably, above-mentioned Pure water preparation unit is provided with pure water self-priming mechanism, heating mechanism, water-vapor separation mechanism and overflow Pipe, the water inlet of pure water self-priming mechanism and the pipeline connection of pure water tank, the water outlet of pure water self-priming mechanism and heating mechanism into Mouth of a river pipeline connection, the water outlet of heating mechanism and water-vapor separation mechanism pipeline connection, overflow pipe be connected to water-vapor separation mechanism and Pure water tank.

Further, be additionally provided with postposition filter element, postposition filter element be assemblied in the 4th solenoid valve and pure water tank it Between pipeline at.Postposition filter element is set as postposition carbon-point, and the pure water that can be generated to EDR unit is for re-filtering, improves The water quality of pure water.

Further, it is additionally provided with UV sterilization module, UV sterilization module is assemblied in pure water tank.UV sterilization module can be to storage Pure water in pure water tank carries out sterilization processing, is further ensured that the water quality of pure water.

Further, it is additionally provided with TDS measuring unit, it is preferred that above-mentioned TDS measuring unit is assemblied in inside concentrated water case. TDS measuring unit can measure the TDS value of concentrated water in concentrated water case, after the TDS value of concentrated water reaches preset value, replace in concentrated water case Concentrated water.

A kind of platform-type water purifier, water purification system are provided with raw water box, concentrated water case, the EDR unit that can switch electrode, One solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve.Change raw water by the first solenoid valve and second solenoid valve The pipeline for entering EDR unit with concentrated water changes the concentrated water and concentrated water that EDR unit generates by third solenoid valve and the 4th solenoid valve Outflow pipeline, complete EDR unit fall pole operation, concentrated water pipeline can to EDR unit generation concentrated water flow back, make dense Water filters again, proposes the pure useless ratio of high yield water, and EDR pole-reversing electroosmosis water purification can be improved using double box structures of water purification system The stability of system, and EDR pole-reversing electroosmosis water purification system passes through the regularly operation of falling pole, additionally it is possible to reduce the wind of scaling Danger.

Detailed description of the invention

Using attached drawing, the present invention is further illustrated, but the content in attached drawing is not constituted to any limit of the invention System.

Fig. 1 is a kind of structural schematic diagram of double case pole-reversing electroosmosis water purification systems.

Fig. 2 is the structural schematic diagram of double case pole-reversing electroosmosis water purification systems of the embodiment 2 with Pure water preparation unit.

In Fig. 1 into Fig. 2, comprising:

Raw water box 100, concentrated water case 200, EDR unit 300,

First solenoid valve 400, second solenoid valve 500, third solenoid valve 600, the 4th solenoid valve 700,

Pure water tank 800, concentrated water pipeline 900,

Concentrated water self-priming mechanism 1000, preposition concentrated water filter element 1100,

Raw water self-priming mechanism 1200, preposition raw water filtration unit 1300,

Postposition filter element 1400, UV sterilization module 1500,

TDS measuring unit 1600, Pure water preparation unit 1700,

Pure water self-priming mechanism 1701, heating mechanism 1702, water-vapor separation mechanism 1703, overflow pipe 1704.

Specific embodiment

The invention will be further described with the following Examples.

Embodiment 1.

A kind of double case pole-reversing electroosmosis water purification systems, as shown in Figure 1, being provided with raw water box 100, concentrated water case, electricity being switched The EDR unit 300 of pole, the first solenoid valve 400, second solenoid valve 500, third solenoid valve 600 and the 4th solenoid valve 700.

It should be noted that EDR (electrodialysis, electro-dialysis reversal) unit has filtering membrane stack knot Structure is handled using water of the electrodialytic technique to entrance, and purified water is discharged with pure water, and concentrated water is discharged as concentrated water.EDR The structure and principle of unit 300300 are general knowledge known in this field, and details are not described herein.

In the present embodiment, EDR unit 300 is provided with the first water inlet, the second water inlet, the first water outlet and the second water outlet Mouthful, raw water box 100 is connected to by second solenoid valve 500 with the second water inlet of EDR unit 300, and concentrated water case 200 passes through the first electricity Magnet valve 400 is connected to the first water inlet, and the first water outlet is connected to by third solenoid valve 600 with concentrated water pipeline 900, the second water outlet Mouth is connected to by the 4th solenoid valve 700 with pure water pipeline.

In the present embodiment, the first solenoid valve 400, second solenoid valve 500, third solenoid valve 600 and the 4th solenoid valve 700 are It is provided with ALT-CH alternate channel, when the electrode of EDR unit 300 is switched, raw water box 100 passes through the ALT-CH alternate channel of second solenoid valve 500 It is connected to the first water inlet of EDR unit 300, the ALT-CH alternate channel and EDR unit 300 that concentrated water case 200 passes through the first solenoid valve 400 The connection of the second water inlet, the first water outlet of EDR unit 300 passes through the ALT-CH alternate channel and pure water pipeline of third solenoid valve 600 Second water outlet of connection, EDR unit 300 is connected to by the ALT-CH alternate channel of the 4th solenoid valve 700 with concentrated water pipeline 900.

In the present embodiment, the first solenoid valve 400 is set as three-way magnetic valve, the ALT-CH alternate channel setting of the first solenoid valve 400 For the second water outlet of the first solenoid valve 400, the water inlet end pipeline connection of concentrated water case 200 and the first solenoid valve 400, the first electromagnetism First water outlet of valve 400 is connected to the first water inlet of EDR unit 300, the second water outlet of the first solenoid valve 400 and EDR Second water inlet of unit 300 is connected to.

In the present embodiment, second solenoid valve 500 is set as three-way magnetic valve, the ALT-CH alternate channel setting of second solenoid valve 500 For the second water outlet of second solenoid valve 500, the water inlet end pipeline connection of raw water box 100 and second solenoid valve 500, the second electromagnetism First water outlet of valve 500 is connected to the second water inlet of EDR unit 300, the second water outlet of second solenoid valve 500 and EDR First water inlet of unit 300 is connected to.

Further, it is additionally provided with pure water tank 800, pure water tank 800 can temporarily store unemployed pure water.

In the present embodiment, third solenoid valve 600 is set as three-way magnetic valve, the ALT-CH alternate channel setting of third solenoid valve 600 For the second water outlet of third solenoid valve 600, the water inlet end of third solenoid valve 600 and the first water outlet of EDR unit 300 connect Logical, the first water outlet of third solenoid valve 600 is connected to by concentrated water pipeline 900 with concentrated water case 200, and the of third solenoid valve 600 Two water outlets and 800 pipeline connection of pure water tank.

4th solenoid valve 700 is set as three-way magnetic valve, and the ALT-CH alternate channel of the 4th solenoid valve 700 is the 4th solenoid valve 700 The second water outlet, the water inlet end of the 4th solenoid valve 700 is connected to the second water outlet of EDR unit 300, the 4th solenoid valve 700 The first water outlet and 800 pipeline connection of pure water tank, the second water outlet of the 4th solenoid valve 700 by concentrated water pipeline 900 with it is dense Water tank 200 is connected to.

When system is in normal water purification operating condition, the of the second water outlet of the first solenoid valve 400 and second solenoid valve 500 Two water outlets are closed, and the concentrated water in concentrated water case 200 enters the first of EDR unit 300 through the first water outlet of the first solenoid valve 400 Water inlet, the raw water in raw water box 100 enter the second water inlet of EDR unit 300 through the first water outlet of second solenoid valve 500 Mouthful, the second water outlet of third solenoid valve 600 and the second water outlet of the 4th solenoid valve 700 are closed, what EDR unit 300 generated Concentrated water flows into concentrated water pipeline 900 through the first water outlet of third solenoid valve 600, and the pure water that EDR unit 300 generates is through the 4th electromagnetism First water outlet of valve 700 enters pure water tank 800.

When system is in the cleaning of falling pole operating condition, the of the first water outlet of the first solenoid valve 400 and second solenoid valve 500 One water outlet is closed, and the concentrated water in concentrated water case 200 enters the second of EDR unit 300 through the second water outlet of the first solenoid valve 400 Water inlet, the raw water in raw water box 100 enter the first water inlet of EDR unit 300 through the second water outlet of second solenoid valve 500 Mouthful, the first water outlet of third solenoid valve 600 and the first water outlet of the 4th solenoid valve 700 are closed, what EDR unit 300 generated Concentrated water is discharged from the second water outlet, and the second water outlet through the 4th solenoid valve 700 flows into concentrated water pipeline 900, and EDR unit 300 produces Raw pure water is discharged from the first water outlet, and the second water outlet through third solenoid valve 600 enters pure water tank 800.

In the cleaning of falling pole operating condition, the positive electrode of EDR unit 300 and negative electrode are exchanged, i.e., by adjusting the first electromagnetism Valve 400, second solenoid valve 500, third solenoid valve 600 and the 4th solenoid valve 700 carry out the operation of falling pole of EDR unit 300, pole The concentrated water that EDR unit 300 afterwards generates enters the raw water channel in EDR unit 300, and raw water enters the original in EDR unit 300 Concentrated water channel, concentrated water and raw water operate in independent pipeline, are not in contact with each other.Periodically EDR unit 300 is carried out extremely clear It washes, it is possible to reduce the macromolecular substances that water purification system accumulates in long-term water purification process improve the same of the water purification stability of system When, additionally it is possible to reduce the risk of scaling.

In the present embodiment, be additionally provided with concentrated water self-priming mechanism 1000, concentrated water self-priming mechanism 1000 be assemblied in concentrated water case 200 with At the pipeline of first solenoid valve 400 connection.Concentrated water self-priming mechanism 1000 is set as self priming pump, and concentrated water can be improved by self priming pump Into the flow velocity of EDR unit 300, the water purification rate of EDR unit 300 is improved.

In the present embodiment, it is additionally provided with preposition concentrated water filter element 1100, preposition concentrated water filter element 1100 is assemblied in dense At the pipeline that water self-priming mechanism 1000 is connected to the first solenoid valve 400.Preposition concentrated water filter element 1100 is set as PP cotton filter element, The first heavy filtration can be carried out to the concentrated water for entering EDR unit, reduce the big molecular impurity for entering EDR unit 300, it is mono- to reduce EDR The risk of first 300 foulings.

It should be noted that preposition concentrated water filter element 1100 may be set to be CB composite filter element, technical staff can basis Actual conditions selection.

In the present embodiment, be additionally provided with raw water self-priming mechanism 1200, raw water self-priming mechanism 1200 be assemblied in raw water box 100 with At the pipeline that second solenoid valve 500 is connected to.Raw water self-priming mechanism 1200 is set as self priming pump, and raw water can be improved by self priming pump Into the flow velocity of EDR unit 300, the water purification rate of EDR unit 300 is improved.

In the present embodiment, it is additionally provided with preposition raw water filtration unit 1300, preposition raw water filtration unit 1300 is assemblied in original At the pipeline that water self-priming mechanism 1200 is connected to second solenoid valve 500.Preposition raw water filtration unit 1300 is set as PP cotton filter element, The first heavy filtration can be carried out to the raw water for entering EDR unit, reduce the big molecular impurity for entering EDR unit 300, it is mono- to reduce EDR The risk of first 300 foulings.

It should be noted that preposition raw water filtration unit 1300 may be set to be CB composite filter element, technical staff can basis Actual conditions selection.

In the present embodiment, it is additionally provided with postposition filter element 1400, postposition filter element 1400 is assemblied in the 4th solenoid valve At pipeline between 700 and pure water tank 800.Postposition filter element 1400 is set as postposition carbon-point, can generate to EDR unit 300 Pure water it is for re-filtering, improve the water quality of pure water.

It should be noted that PP cotton filter element, CB composite filter element and postposition carbon-point all have very strong adsorption capacity, it can The big molecular impurity in water is adsorbed, using active carbon etc. there is the material of strong adsorption capacity to carry out belonging to this field to the purification of raw water Common knowledge, details are not described herein its structure and working principle.

In the present embodiment, it is additionally provided with UV sterilization module 1500, UV sterilization module 1500 is assemblied in pure water tank 800.UV is killed Bacterium module 1500 can sterilize the pure water in pure water tank 800, guarantee the water quality of pure water.

In the present embodiment, it is additionally provided with TDS measuring unit 1600, TDS measuring unit 1600 is assemblied in concentrated water case 200 Portion.TDS measuring unit 1600 can measure the TDS value of concentrated water in concentrated water case 200, after the TDS value of concentrated water reaches preset value, replacement Concentrated water in concentrated water case 200.

A kind of double case pole-reversing electroosmosis water purification systems are provided with raw water box 100, concentrated water case, the EDR unit that can switch electrode 300, the first solenoid valve 400, second solenoid valve 500, third solenoid valve 600 and the 4th solenoid valve 700.Pass through concentrated water pipeline 900 Concentrated water is flowed back into the water inlet of EDR unit 300 again, can be for re-filtering to the concentrated water of generation, mention the pure of high yield water Useless ratio, the stability of EDR pole-reversing electroosmosis water purification system, and EDR pole-reversing electroosmosis water purification can be improved using double box structures System is exchanged the water inlet of raw water and concentrated water by the operation of falling pole of EDR unit 300 by the regularly operation of falling pole, right The pollution impurity accumulated in filter membrane and pipeline in EDR unit 300 is cleaned, and the risk of scaling is reduced, and guarantees EDR The water quality of the production water of unit 300.

Embodiment 2.

A kind of double case pole-reversing electroosmosis water purification systems, as shown in Fig. 2, other structures are same as Example 1, difference exists In: the water purification system in the present embodiment is additionally provided with Pure water preparation unit 1700, and Pure water preparation unit 1700 and pure water tank 800 are managed Road connection.Pure water preparation unit 1700 can carry out disinfection and sterilization again to the pure water that EDR unit 300 generates and handle, and guarantee pure The water quality of water.

In the present embodiment, Pure water preparation unit 1700 is provided with pure water self-priming mechanism 1701, heating mechanism 1702, steam point It disembarks structure 1703 and overflow pipe 1704, the water inlet of pure water self-priming mechanism 1701 and the pipeline connection of pure water tank 800, pure water self-priming The water outlet of mechanism 1701 and the water inlet pipeline connection of heating mechanism 1702, the water outlet of heating mechanism 1702 are separated with steam 1703 pipeline connection of mechanism, overflow pipe 1704 are connected to water-vapor separation mechanism 1703 and pure water tank 800.

Double case pole-reversing electroosmosis water purification systems of the present embodiment are provided with Pure water preparation unit 1700, Pure water preparation unit 1700 with 800 pipeline connection of pure water tank.The flow velocity of the outflow of the pure water in pure water tank 800 can be improved in pure water self-priming mechanism 1701, adds Heat engine structure 1702 can carry out heating again to pure water and sterilize, and water-vapor separation mechanism 1703 can be to pure after the heating of heating mechanism 1702 Water carry out it is cooling, precipitate, guarantee the production water quality of pure water, overflow pipe 1704 can will be unemployed in water-vapor separation mechanism 1703 Pure water flows back to the storage of pure water tank 800800 again, reduces the waste of water resource.

Embodiment 3.

A kind of platform-type water purifier, water purification system are provided with raw water box, concentrated water case, the EDR unit that can switch electrode, One solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve.

In the present embodiment, EDR unit is provided with the first water inlet, the second water inlet, the first water outlet and the second water outlet, Raw water box is connected to by second solenoid valve with the second water inlet of EDR unit, and concentrated water case passes through the first solenoid valve and the first water inlet Mouth connection, the first water outlet pass through the 4th solenoid valve and pure water by third solenoid valve and concentrated water pipeline connection, the second water outlet Pipeline connection.

In the present embodiment, it is logical that the first solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve are provided with conversion Road, when the electrode of EDR unit is switched, raw water box passes through the ALT-CH alternate channel of second solenoid valve and the first water inlet of EDR unit Connection, concentrated water case are connected to by the ALT-CH alternate channel of the first solenoid valve with the second water inlet of EDR unit, and the first of EDR unit goes out The mouth of a river is connected to by the ALT-CH alternate channel of third solenoid valve with pure water pipeline, and the second water outlet of EDR unit passes through the 4th solenoid valve ALT-CH alternate channel and concentrated water pipeline connection.

In the present embodiment, the first solenoid valve is set as three-way magnetic valve, and the ALT-CH alternate channel of the first solenoid valve is set as first The water inlet end pipeline connection of second water outlet of solenoid valve, concentrated water case and the first solenoid valve, the first water outlet of the first solenoid valve It is connected to the first water inlet of EDR unit, the second water outlet of the first solenoid valve is connected to the second water inlet of EDR unit.

In the present embodiment, second solenoid valve is set as three-way magnetic valve, and the ALT-CH alternate channel of second solenoid valve is set as second The water inlet end pipeline connection of second water outlet of solenoid valve, raw water box and second solenoid valve, the first water outlet of second solenoid valve It is connected to the second water inlet of EDR unit, the second water outlet of second solenoid valve is connected to the first water inlet of EDR unit.

In the present embodiment, it is additionally provided with pure water tank.Pure water tank can temporarily store unemployed pure water.

In the present embodiment, third solenoid valve is set as three-way magnetic valve, and the ALT-CH alternate channel of third solenoid valve is set as third Second water outlet of solenoid valve, the water inlet end of third solenoid valve are connected to the first water outlet of EDR unit, and the of third solenoid valve One water outlet is connected to by concentrated water pipeline with concentrated water case, the second water outlet of third solenoid valve and pure water tank pipeline connection.

When system is in normal water purification operating condition, the second water outlet of the first solenoid valve and the second water outlet of second solenoid valve End is closed, and the concentrated water in concentrated water case enters the first water inlet of EDR unit through the first water outlet of the first solenoid valve, in raw water box Raw water enter the second water inlet of EDR unit, the second water outlet of third solenoid valve through the first water outlet of second solenoid valve It is closed with the second water outlet of the 4th solenoid valve, the concentrated water that EDR unit generates flows into dense through the first water outlet of third solenoid valve Water lines 900, the pure water that EDR unit generates enter pure water tank through the first water outlet of the 4th solenoid valve；

When system is in the cleaning of falling pole operating condition, the first water outlet of the first solenoid valve and the first water outlet of second solenoid valve End is closed, and the concentrated water in concentrated water case enters the second water inlet of EDR unit through the second water outlet of the first solenoid valve, in raw water box Raw water enter the first water inlet of EDR unit, the first water outlet of third solenoid valve through the second water outlet of second solenoid valve It is closed with the first water outlet of the 4th solenoid valve, the concentrated water that EDR unit generates is discharged from the second water outlet, through the 4th solenoid valve Second water outlet flows into concentrated water pipeline, and the pure water that EDR unit generates is discharged from the first water outlet, and second through third solenoid valve goes out Water end (W.E.) enters pure water tank.In the cleaning of falling pole operating condition, the positive electrode of EDR unit and negative electrode are exchanged, i.e., by adjusting first Solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve carry out the operation of falling pole of EDR unit, extremely after EDR unit The concentrated water of generation enters the raw water channel in EDR unit, and raw water enters the former concentrated water channel in EDR unit, concentrated water and raw water It operates in independent pipeline, is not in contact with each other.The cleaning of falling pole periodically is carried out to EDR unit, it is possible to reduce water purification system is in length The macromolecular substances accumulated in phase water purification process, while improving the water purification stability of system, additionally it is possible to reduce scaling Risk.

In the present embodiment, it is additionally provided with concentrated water self-priming mechanism, concentrated water self-priming mechanism is assemblied in concentrated water case and the first solenoid valve At the pipeline of connection.Concentrated water self-priming mechanism is set as self priming pump, and the stream that concentrated water enters EDR unit can be improved by self priming pump Speed improves the water purification rate of EDR unit.

In the present embodiment, it is additionally provided with preposition concentrated water filter element, preposition concentrated water filter element is assemblied in concentrated water self-priming machine At the pipeline that structure is connected to the first solenoid valve.Preposition concentrated water filter element is set as PP cotton filter element or CB composite filter element, can be right Concentrated water into EDR unit carries out the first heavy filtration, reduces the big molecular impurity for entering EDR unit, reduces the fouling of EDR unit Risk.

In the present embodiment, it is additionally provided with raw water self-priming mechanism, raw water self-priming mechanism is assemblied in raw water box and second solenoid valve At the pipeline of connection.Raw water self-priming mechanism is set as self priming pump, and the stream that raw water enters EDR unit can be improved by self priming pump Speed improves the water purification rate of EDR unit.

In the present embodiment, it is additionally provided with preposition raw water filtration unit, preposition raw water filtration unit is assemblied in raw water self-priming machine At the pipeline that structure is connected to second solenoid valve.Preposition raw water filtration unit is set as PP cotton filter element or CB composite filter element, can be right Raw water into EDR unit carries out the first heavy filtration, reduces the big molecular impurity for entering EDR unit, reduces the fouling of EDR unit Risk.

Further, it is additionally provided with TDS measuring unit, it is preferred that TDS measuring unit is assemblied in inside concentrated water case.TDS is surveyed Measuring unit can measure the TDS value of concentrated water in concentrated water case, after the TDS value of concentrated water reaches preset value, replace the concentrated water in concentrated water case.

Embodiment 4.

A kind of platform-type water purifier, other structures are same as Example 3, the difference is that: the table top in the present embodiment Formula water purifier is additionally provided with Pure water preparation unit, Pure water preparation unit and pure water tank pipeline connection.Pure water preparation unit can be to EDR The pure water that unit generates carries out disinfection and sterilization processing again, guarantees the water quality of pure water.

In the present embodiment, Pure water preparation unit is provided with pure water self-priming mechanism, heating mechanism, water-vapor separation mechanism and overflow Pipe, the water inlet of pure water self-priming mechanism and the pipeline connection of pure water tank, the water outlet of pure water self-priming mechanism and heating mechanism into Mouth of a river pipeline connection, the water outlet of heating mechanism and water-vapor separation mechanism pipeline connection, overflow pipe be connected to water-vapor separation mechanism and Pure water tank.

The pure water that the water purification system of the platform-type water purifier of the present embodiment generates EDR unit by Pure water preparation unit into Row is handled again, Pure water preparation unit and pure water tank pipeline connection.The outflow of the pure water in pure water tank can be improved in pure water self-priming mechanism Flow velocity, heating mechanism can to pure water carry out again heating sterilize, water-vapor separation mechanism can to heating mechanism heat after pure water It carries out cooling, precipitate, guarantee the production water quality of pure water, overflow pipe can flow again pure water unemployed in water-vapor separation mechanism Pure water tank storage is returned, the waste of water resource is reduced.

Embodiment 5.

A kind of cleaning method of falling pole of double case pole-reversing electroosmosis water purification systems, by the positive electricity for periodically more exchanging EDR unit Pole and negative electrode exchange the raw water into EDR unit with concentrated water, complete the cleaning to EDR unit, reduce the knot of EDR unit Dirty risk.

In the cleaning of falling pole operating condition, the positive electrode of EDR unit and negative electrode are exchanged, concentrated water enters the original in EDR unit Raw water channel, raw water enter the former concentrated water channel in EDR unit, and concentrated water and raw water are operated in independent pipeline, do not connect mutually Touching.The cleaning of falling pole periodically is carried out to EDR unit, it is possible to reduce the macromolecular complex that water purification system accumulates in long-term water purification process The water purification stability of system can be improved, additionally it is possible to reduce the risk of scaling in matter.

The cleaning method of falling pole of double case pole-reversing electroosmosis water purification systems in the present embodiment, by periodically to EDR unit Carry out the cleaning of falling pole, it is possible to reduce system can be improved in the macromolecular substances that water purification system accumulates in long-term water purification process Water purification stability, additionally it is possible to reduce the risk of scaling.

Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed Solution, can with modification or equivalent replacement of the technical solution of the present invention are made, without departing from technical solution of the present invention essence and Range.

Claims

1. a kind of double case pole-reversing electroosmosis water purification systems, it is characterised in that: be provided with raw water box, concentrated water case, electrode can be switched EDR unit, the first solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve；

The EDR unit is provided with the first water inlet, the second water inlet, the first water outlet and the second water outlet, raw water box and passes through Second solenoid valve is connected to the second water inlet of EDR unit, and concentrated water case is connected to by the first solenoid valve with the first water inlet, and first Water outlet is connected to by third solenoid valve and concentrated water pipeline connection, concentrated water pipeline with concentrated water case, and the second water outlet passes through the 4th electricity Magnet valve is connected to pure water pipeline；

First solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve are provided with ALT-CH alternate channel, when EDR is mono- When the electrode of member is switched, raw water box is connected to by the ALT-CH alternate channel of second solenoid valve with the first water inlet of EDR unit, described dense Water tank is connected to by the ALT-CH alternate channel of the first solenoid valve with the second water inlet of EDR unit, and the first water outlet of EDR unit passes through The ALT-CH alternate channel of third solenoid valve is connected to pure water pipeline, and the second water outlet of EDR unit is logical by the conversion of the 4th solenoid valve Road and concentrated water pipeline connection.

2. double case pole-reversing electroosmosis water purification systems according to claim 1, it is characterised in that: the first solenoid valve is set as three Three-way electromagnetic valve, the ALT-CH alternate channel of the first solenoid valve are the second water outlet of the first solenoid valve, concentrated water case and the first solenoid valve into Water end (W.E.) pipeline connection, the first water outlet of the first solenoid valve are connected to the first water inlet of EDR unit, and the second of the first solenoid valve Water outlet is connected to the second water inlet of EDR unit.

3. double case pole-reversing electroosmosis water purification systems according to claim 1, it is characterised in that: second solenoid valve is set as three Three-way electromagnetic valve, the ALT-CH alternate channel of second solenoid valve are the second water outlet of second solenoid valve, raw water box and second solenoid valve into Water end (W.E.) pipeline connection, the first water outlet of second solenoid valve are connected to the second water inlet of EDR unit, and the second of second solenoid valve Water outlet is connected to the first water inlet of EDR unit.

4. double case pole-reversing electroosmosis water purification systems according to claim 1, it is characterised in that: be additionally provided with pure water tank；

The third solenoid valve is set as three-way magnetic valve, and the ALT-CH alternate channel of third solenoid valve is the second water outlet of third solenoid valve End, the water inlet end of third solenoid valve are connected to the first water outlet of EDR unit, and the first water outlet of third solenoid valve passes through concentrated water Pipeline is connected to concentrated water case, the second water outlet of third solenoid valve and pure water tank pipeline connection.

5. double case pole-reversing electroosmosis water purification systems according to claim 4, it is characterised in that: the 4th solenoid valve is set as three Three-way electromagnetic valve, the ALT-CH alternate channel of the 4th solenoid valve are the second water outlet of the 4th solenoid valve, the water inlet end and EDR of the 4th solenoid valve Second water outlet of unit is connected to, the first water outlet of the 4th solenoid valve and pure water tank pipeline connection, and the second of the 4th solenoid valve Water outlet is connected to by concentrated water pipeline with concentrated water case.

6. double case pole-reversing electroosmosis water purification systems according to claim 5, it is characterised in that: when system is in normal water purification When operating condition, the second water outlet of the second water outlet of the first solenoid valve and second solenoid valve is closed, and the concentrated water in concentrated water case is through the First water outlet of one solenoid valve enters the first water inlet of EDR unit, the raw water in raw water box through second solenoid valve first Water outlet enters the second water inlet of EDR unit, the second water outlet of third solenoid valve and the second water outlet of the 4th solenoid valve It closes, the concentrated water that EDR unit generates flows into concentrated water pipeline, the pure water that EDR unit generates through the first water outlet of third solenoid valve The first water outlet through the 4th solenoid valve enters pure water tank；

When system is in the cleaning of falling pole operating condition, the first water outlet of the first solenoid valve and the first water outlet of second solenoid valve are closed It closes, the concentrated water in concentrated water case enters the second water inlet of EDR unit, the original in raw water box through the second water outlet of the first solenoid valve Water enters the first water inlet of EDR unit, the first water outlet of third solenoid valve and through the second water outlet of second solenoid valve First water outlet of four solenoid valves is closed, and the concentrated water that EDR unit generates is discharged from the second water outlet, second through the 4th solenoid valve Water outlet flows into concentrated water pipeline, and the pure water that EDR unit generates is discharged from the first water outlet, the second water outlet through third solenoid valve Into pure water tank.

7. double case pole-reversing electroosmosis water purification systems according to claim 6, it is characterised in that: be additionally provided with concentrated water self-priming machine Structure, concentrated water self-priming mechanism are assemblied at the pipeline that concentrated water case is connected to the first solenoid valve.

8. double case pole-reversing electroosmosis water purification systems according to claim 7, it is characterised in that: be additionally provided with preposition concentrated water mistake Unit is filtered, preposition concentrated water filter element is assemblied at the pipeline that concentrated water self-priming mechanism is connected to the first solenoid valve.

9. double case pole-reversing electroosmosis water purification systems according to claim 8, it is characterised in that: be additionally provided with raw water self-priming machine Structure, raw water self-priming mechanism are assemblied at the pipeline that raw water box is connected to second solenoid valve.

10. double case pole-reversing electroosmosis water purification systems according to claim 9 are additionally provided with preposition raw water filtration unit, preceding Raw water filtration unit is set to be assemblied at the pipeline that raw water self-priming mechanism is connected to second solenoid valve.

11. double case pole-reversing electroosmosis water purification systems according to claim 10, it is characterised in that: it is characterized by: also setting It is equipped with Pure water preparation unit, Pure water preparation unit and pure water tank pipeline connection.

12. double case pole-reversing electroosmosis water purification systems according to claim 11, it is characterised in that: the setting of Pure water preparation unit There are pure water self-priming mechanism, heating mechanism, water-vapor separation mechanism and overflow pipe, the water inlet of pure water self-priming mechanism and the pipe of pure water tank Road connection, the water outlet of pure water self-priming mechanism and the water inlet pipeline connection of heating mechanism, the water outlet and steam of heating mechanism Separating mechanism pipeline connection, overflow pipe are connected to water-vapor separation mechanism and pure water tank.

13. double case pole-reversing electroosmosis water purification systems according to claim 12, it is characterised in that: be additionally provided with postposition filtering Unit, postposition filter element are assemblied at the pipeline between the 4th solenoid valve and pure water tank.

14. double case pole-reversing electroosmosis water purification systems according to claim 13, it is characterised in that: be additionally provided with UV sterilization mould Block, UV sterilization module are assemblied in pure water tank.

15. double case pole-reversing electroosmosis water purification systems according to claim 14, it is characterised in that: be additionally provided with TDS measurement Unit, TDS measuring unit are assemblied in inside concentrated water case.

16. a kind of platform-type water purifier, it is characterised in that: water purification system is provided with raw water box, concentrated water case, can switch electrode EDR unit, the first solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve；

The EDR unit is provided with the first water inlet, the second water inlet, the first water outlet and the second water outlet, raw water box and passes through Second solenoid valve is connected to the second water inlet of EDR unit, and concentrated water case is connected to by the first solenoid valve with the first water inlet, and first Water outlet is connected to by the 4th solenoid valve with pure water pipeline by third solenoid valve and concentrated water pipeline connection, the second water outlet；

First solenoid valve, second solenoid valve, third solenoid valve and the 4th solenoid valve are provided with ALT-CH alternate channel, when EDR is mono- When the electrode of member is switched, raw water box is connected to by the ALT-CH alternate channel of second solenoid valve with the first water inlet of EDR unit, concentrated water case It is connected to by the ALT-CH alternate channel of the first solenoid valve with the second water inlet of EDR unit, the first water outlet of EDR unit passes through third The ALT-CH alternate channel of solenoid valve is connected to pure water pipeline, the second water outlet of EDR unit by the ALT-CH alternate channel of the 4th solenoid valve with Concentrated water pipeline connection.

17. platform-type water purifier according to claim 16, it is characterised in that: the first solenoid valve is set as threeway electromagnetism Valve, the ALT-CH alternate channel of the first solenoid valve are set as the second water outlet of the first solenoid valve, the water inlet of concentrated water case and the first solenoid valve Pipeline connection is held, the first water outlet of the first solenoid valve is connected to the first water inlet of EDR unit, and the second of the first solenoid valve goes out Water end (W.E.) is connected to the second water inlet of EDR unit.

18. platform-type water purifier according to claim 17, it is characterised in that: second solenoid valve is set as threeway electromagnetism Valve, the ALT-CH alternate channel of second solenoid valve are set as the second water outlet of second solenoid valve, the water inlet of raw water box and second solenoid valve Pipeline connection is held, the first water outlet of second solenoid valve is connected to the second water inlet of EDR unit, and the second of second solenoid valve goes out Water end (W.E.) is connected to the first water inlet of EDR unit.

19. platform-type water purifier according to claim 18, it is characterised in that: be additionally provided with pure water tank；

The third solenoid valve is set as three-way magnetic valve, and the ALT-CH alternate channel of third solenoid valve is set as the second of third solenoid valve Water outlet, the water inlet end of third solenoid valve are connected to the first water outlet of EDR unit, and the first water outlet of third solenoid valve passes through Concentrated water pipeline is connected to concentrated water case, the second water outlet of third solenoid valve and pure water tank pipeline connection.

20. platform-type water purifier according to claim 19, it is characterised in that: the 4th solenoid valve is set as threeway electromagnetism Valve, the ALT-CH alternate channel of the 4th solenoid valve are the second water outlet of the 4th solenoid valve, water inlet end and the EDR unit of the 4th solenoid valve The connection of second water outlet, the first water outlet of the 4th solenoid valve and pure water tank pipeline connection, the second water outlet of the 4th solenoid valve It is connected to by concentrated water pipeline with concentrated water case.

21. platform-type water purifier according to claim 20, it is characterised in that: when system is in normal water purification operating condition, Second water outlet of the first solenoid valve and the second water outlet of second solenoid valve are closed, and the concentrated water in concentrated water case is through the first solenoid valve The first water outlet enter the first water inlet of EDR unit, first water outlet of the raw water through second solenoid valve in raw water box into Enter the second water inlet of EDR unit, the second water outlet of third solenoid valve and the second water outlet of the 4th solenoid valve are closed, EDR The concentrated water that unit generates flows into concentrated water pipeline through the first water outlet of third solenoid valve, and the pure water that EDR unit generates is through the 4th electricity First water outlet of magnet valve enters pure water tank；

22. platform-type water purifier according to claim 21, it is characterised in that: be additionally provided with concentrated water self-priming mechanism, concentrated water Self-priming mechanism is assemblied at the pipeline that concentrated water case is connected to the first solenoid valve.

23. platform-type water purifier according to claim 22, it is characterised in that: it is additionally provided with preposition concentrated water filter element, Preposition concentrated water filter element is assemblied at the pipeline that concentrated water self-priming mechanism is connected to the first solenoid valve.

24. platform-type water purifier according to claim 21, it is characterised in that: be additionally provided with raw water self-priming mechanism, raw water Self-priming mechanism is assemblied at the pipeline that raw water box is connected to second solenoid valve.

25. platform-type water purifier according to claim 24, it is characterised in that: it is additionally provided with preposition raw water filtration unit, Preposition raw water filtration unit is assemblied at the pipeline that raw water self-priming mechanism is connected to second solenoid valve.

26. platform-type water purifier according to claim 25, it is characterised in that: be additionally provided with Pure water preparation unit, pure water Processing unit and pure water tank pipeline connection.

27. platform-type water purifier according to claim 26, it is characterised in that: the Pure water preparation unit is provided with pure water Self-priming mechanism, heating mechanism, water-vapor separation mechanism and overflow pipe, the water inlet of pure water self-priming mechanism and the pipeline of pure water tank connect Logical, the water outlet of pure water self-priming mechanism and the water inlet pipeline connection of heating mechanism, the water outlet of heating mechanism are separated with steam Mechanism pipeline connection, the overflow pipe connection water-vapor separation mechanism and pure water tank.

28. platform-type water purifier according to claim 27, it is characterised in that: be additionally provided with postposition filter element, postposition Filter element is assemblied at the pipeline between the 4th solenoid valve and pure water tank.

29. platform-type water purifier according to claim 28, it is characterised in that: be additionally provided with UV sterilization module, UV sterilization Module is assemblied in pure water tank.

30. platform-type water purifier according to claim 29, it is characterised in that: be additionally provided with TDS measuring unit, TDS is surveyed Amount unit is assemblied in inside concentrated water case.