CN111115771B - Waterway system and water purifying equipment - Google Patents
Waterway system and water purifying equipment Download PDFInfo
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- CN111115771B CN111115771B CN202010125593.XA CN202010125593A CN111115771B CN 111115771 B CN111115771 B CN 111115771B CN 202010125593 A CN202010125593 A CN 202010125593A CN 111115771 B CN111115771 B CN 111115771B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 618
- 238000011282 treatment Methods 0.000 claims abstract description 170
- 239000012528 membrane Substances 0.000 claims abstract description 54
- 150000002500 ions Chemical class 0.000 claims abstract description 39
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 230000008859 change Effects 0.000 claims abstract description 9
- 239000003014 ion exchange membrane Substances 0.000 claims description 45
- 238000000746 purification Methods 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 29
- 238000011084 recovery Methods 0.000 abstract description 6
- 239000012466 permeate Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000010287 polarization Effects 0.000 abstract 1
- 239000013505 freshwater Substances 0.000 description 15
- 230000009471 action Effects 0.000 description 11
- 238000000909 electrodialysis Methods 0.000 description 11
- 230000005684 electric field Effects 0.000 description 9
- 239000012141 concentrate Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000011403 purification operation Methods 0.000 description 5
- 238000010612 desalination reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000008213 purified water Substances 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 206010016807 Fluid retention Diseases 0.000 description 2
- -1 anions or cations Chemical class 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/46—Apparatus therefor
- B01D61/48—Apparatus therefor having one or more compartments filled with ion-exchange material, e.g. electrodeionisation
- B01D61/485—Specific features relating to the ion-exchange material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/52—Accessories; Auxiliary operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/54—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
Landscapes
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Urology & Nephrology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a waterway system and water purifying equipment, wherein the waterway system comprises: a water inlet pipeline and a water outlet pipeline; the two ends of the first treatment chamber and the second treatment chamber are respectively communicated with the water inlet pipeline and the water outlet pipeline; and the inlet end of the return pipeline is communicated with a water outlet pipeline connected with one of the first processing chamber and the second processing chamber, which is higher in ion concentration, and the outlet end of the return pipeline is communicated with a water inlet pipeline connected with the other one, wherein ions of the fluid in the first processing chamber and ions of the fluid in the second processing chamber can mutually permeate to change the ion concentration of the fluid in the first processing chamber and the second processing chamber. By the technical scheme, the water flow rate of the inner membrane surface of the concentrated water flow channel is improved under the condition that the system recovery rate is not changed and the water resource utilization rate is ensured, concentration polarization is reduced, meanwhile, the problem of pressure difference of two sides of the membrane is solved, the membrane scaling and deformation risks are reduced, and the service life of the system is prolonged.
Description
Technical Field
The invention relates to the field of water purification, in particular to a waterway system and water purification equipment.
Background
The household water purifier generally adopts active carbon or an external filter to remove impurities in water, however, in actual life, the active carbon and the filter are all consumable materials, users often have to pay extra because of the need of replacing consumable materials, the use of products is affected, in the prior art, some water purifying equipment adopts electrodialysis technology to realize purification, however, in the working process, the water pressure in a pipeline can be kept in a higher state, the desalination rate of electrodialysis is greatly reduced, and the quality of produced water is still not suitable for users.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art or related art.
Accordingly, an object of the present invention is to provide a waterway system.
Another object of the present invention is to provide a water purifying apparatus.
In order to achieve the above object, a first aspect of the present invention provides a waterway system, including: a water inlet pipeline and a water outlet pipeline; the two ends of the first treatment chamber are respectively communicated with the water inlet pipeline and the water outlet pipeline, and the two ends of the second treatment chamber are respectively communicated with the water inlet pipeline and the water outlet pipeline; and the inlet end of the return pipeline is communicated with a water outlet pipeline connected with one of the first processing chamber and the second processing chamber, which is higher in ion concentration, and the outlet end of the return pipeline is communicated with a water inlet pipeline connected with the other of the first processing chamber and the second processing chamber, wherein ions of fluid in the first processing chamber and ions of fluid in the second processing chamber can mutually permeate to change the ion concentration of the fluid in the first processing chamber and the second processing chamber.
In this technical scheme, including intake pipe, outlet pipe, second treatment room, first treatment room and return line in the waterway system. The two ends of the first treatment chamber and the second treatment chamber are respectively communicated with the water inlet pipeline and the water outlet pipeline, so that water to be purified is respectively conveyed to the first treatment chamber and the second treatment chamber through the water inlet pipeline, and is discharged through the water outlet pipeline after being treated by the first treatment chamber and the second treatment chamber, so that purified water for removing salt and impurities is obtained.
Specifically, the waterway system can be used for purifying water, the first treatment chamber and the second treatment chamber can be used as electrodialysis devices, water which is input into the waterway system can be treated into two different impurity concentrations and respectively discharged, water with high impurity concentration is used as sewage to be treated, and water with low impurity concentration is used as water capable of being recycled.
Further, the first treatment chamber and the second treatment chamber are used as main treatment modules of the reverse pole electrodialysis membrane stack, when fresh water is stored in the first treatment chamber, concentrated water is stored in the second treatment chamber, or when fresh water is stored in the second treatment chamber, the concentrated water is stored in the first treatment chamber.
In the above technical solution, the device further comprises a water pump, which is arranged on the return pipeline to drive the fluid at the inlet end to flow to the outlet end.
In the technical scheme, the water pump is arranged on the return pipeline, so that the flow of fluid with higher concentration through the return pipeline can be controlled, the overall pressure difference in the system is controlled, and the possibility that the system leaks to influence normal purification is reduced.
It can be understood that the power of the water pump is adjustable, so that the flow of the return pipeline can be controlled, the return flow is controlled to be the difference value between the fresh water yield and the concentrated water discharge, the overall safety of the system can be greatly improved, the inner membrane water retention of the treatment chamber with higher concentration is also improved, and the membrane structure and deformation risk are reduced.
In the above technical scheme, the water inlet pipeline specifically includes: the first main water inlet pipe and the second main water inlet pipe, wherein the first main water inlet pipe is communicated with the first treatment chamber, the second main water inlet pipe is communicated with the second treatment chamber, and the outlet end of the return pipeline is connected with the second main water inlet pipe.
In the technical scheme, the water inlet pipeline comprises a first main water inlet pipe and a second main water inlet pipe, and the first main water inlet pipe is communicated with the first treatment chamber. I.e. when water flows into the first treatment chamber through the first main inlet pipe, it is discharged from the outlet pipe. Likewise, the second main water inlet pipe is communicated with the second processing chamber, namely, water flowing into the second processing chamber from the second main water inlet pipe is discharged through the water outlet pipeline chamber, so that the flow direction of the water is effectively controlled, the water is respectively supplied to the first processing chamber and the second processing chamber through the first water inlet pipe and the second water inlet pipe, the water flow of the first water inlet pipe and the water flow of the second water inlet pipe are respectively controlled through the valve assembly, unequal amounts of water are supplied to the first processing chamber and the second processing chamber, and a specific fresh water recovery ratio is obtained after the water purifying operation of the first processing chamber and the second processing chamber, so that the water purifying effect is improved.
In the above technical scheme, the water inlet pipeline further comprises: the two ends of the first water inlet branch pipe are respectively communicated with the first main water inlet pipe and the first treatment chamber; the two ends of the second water inlet branch pipe are respectively communicated with the first main water inlet pipe and the second treatment chamber; the two ends of the third water inlet branch pipe are respectively communicated with the second main water inlet pipe and the first treatment chamber; and the two ends of the fourth water inlet branch pipe are respectively communicated with the second main water inlet pipe and the second treatment chamber.
In the technical scheme, through setting up different relation of connection between inlet branch pipe, main inlet tube and the treatment room to control the flow direction of water, can realize the alternating control to two treatment rooms, with the supply water volume of control first treatment room and second treatment room, with the reliability that improves the water purification operation. Specifically, first branch pipe and the second branch pipe that intakes outwards draw forth by first main inlet tube to communicate respectively to first treatment chamber and second treatment chamber, third branch pipe and the fourth branch pipe that intakes outwards draw forth by the second main inlet tube, and communicate respectively to first treatment chamber and second treatment chamber, can be according to actual demand with leading-in two treatment chambers of water through different flow paths in, follow-up treatment chamber is convenient for carry out the purification operation to water.
In the above technical solution, further includes: the first water inlet valve is arranged on the first water inlet branch pipe; the second water inlet valve is arranged on the second water inlet branch pipe; the third water inlet valve is arranged on the third water inlet branch pipe; and a fourth water inlet valve arranged on the fourth water inlet branch pipe, wherein one of the first water inlet valve and the second water inlet valve is opened, the other is closed, and one of the third water inlet valve and the fourth water inlet valve is opened, and the other is closed.
In the technical scheme, one of a first water inlet valve and a second water inlet valve is opened, the other one of the first water inlet valve and the second water inlet valve is closed, one of a third water inlet valve and a fourth water inlet valve is opened, the other one of the third water inlet valve and the fourth water inlet valve is closed, in one case, the first water inlet valve is opened, the second water inlet valve is closed, the third water inlet valve is opened, the fourth water inlet valve is closed, after water to be purified passes through a first main water inlet pipe, water is supplied to a first treatment chamber through a first water inlet branch pipe, and water in the second main water inlet pipe is supplied to a second treatment chamber through a third water inlet branch pipe; or the first water inlet valve is closed, the second water inlet valve is opened, the third water inlet valve is closed, the fourth water inlet valve is opened, water to be purified is supplied to the first treatment chamber through the second water inlet branch pipe after passing through the first main water inlet pipe, and water in the second main water inlet pipe is supplied to the second treatment chamber through the fourth water inlet branch pipe.
On the one hand, the impact on the first treatment chamber or the second treatment chamber caused by the overlarge water quantity is prevented, and on the other hand, the water quantity can be effectively controlled, so that the reliability of water purifying operation is improved.
In the above technical solution, further includes: the first three-way valve, two valve ports of the first three-way valve are communicated with the first water inlet branch and the second water inlet branch respectively, and the other valve port of the first three-way valve is communicated with the first main water inlet pipe; and the other valve port of the first three-way valve is communicated with the second main water inlet pipe.
In the technical scheme, two valve ports of a first three-way valve are respectively communicated with a first water inlet branch and a second water inlet branch, the other valve port of the first three-way valve is communicated with a first main water inlet pipe, the flow of a treatment chamber which is used for supplying water inwards through the first main water inlet pipe is controlled by controlling the orientation of the valve of the first three-way valve, and particularly, when the first three-way valve enables the first water inlet branch to be communicated with the first main water inlet pipe and the second water inlet branch to be disconnected with the first main water inlet pipe, water to be purified is supplied to the first treatment chamber through the first main water inlet pipe and the first water inlet branch; when the first three-way valve enables the second water inlet branch to be communicated with the first main water inlet pipe and the first water inlet branch is disconnected from the first main water inlet pipe, water to be purified is supplied to the second treatment chamber through the first main water inlet pipe and the second water inlet branch; likewise, two valve ports of the second three-way valve are respectively communicated with the third water inlet branch and the fourth water inlet branch, and the direction of the valve of the second three-way valve is controlled so as to control a treatment chamber communicated with the second main water inlet pipe, specifically, when the second three-way valve enables the third water inlet branch to be communicated with the second main water inlet pipe and the fourth water inlet branch to be disconnected with the second main water inlet pipe, water to be purified is supplied to the second treatment chamber through the second main water inlet pipe and the third water inlet branch; when the second three-way valve enables the fourth water inlet branch to be communicated with the second main water inlet pipe and the third water inlet branch to be disconnected with the second main water inlet pipe, water to be purified is supplied to the second treatment chamber through the second main water inlet pipe and the fourth water inlet branch.
In the above technical solution, the valve assembly specifically includes: the first flow valve is arranged on the first main water inlet pipe; the second flow valve is arranged on the second main water inlet pipe.
In this technical solution, the valve assembly includes: a first flow valve and a second flow valve, the first flow valve being arranged on the first main inlet pipe. When water flows into the first water inlet pipe, the first flow valve effectively controls the water quantity entering the first water inlet pipe, namely the water quantity discharged through the treatment chamber is effectively controlled, and the accuracy of water purification operation is improved. Likewise, the second flow valve is arranged on the second main water inlet pipe, so that the water quantity of the water entering the second treatment chamber can be controlled, and the accuracy of the water yield is improved.
Further, by controlling the flow rates of water in the first flow valve and the second flow valve to control the ratio of the flow rates of water in the first main water inlet pipe and the second main water inlet pipe, water distributed according to a certain ratio can be respectively flowed into the first processing chamber and the second processing chamber, and then discharged through the water outlet pipeline, so that the water purifying operation is realized.
In the above technical solution, the water outlet pipeline includes: one end of the first water outlet pipe is communicated with the first treatment chamber; and one end of the second water outlet pipe is communicated with the second treatment chamber.
In this technical scheme, through setting up the water outlet pipeline in waterway system, first outlet pipe and second outlet pipe promptly, with the accurate follow two outlet pipes discharge of water, and then improve the accuracy of control water discharge, it is higher to understand that one of first treatment room and second treatment room ion concentration, and the ion concentration of another is lower, and when user's daily use water, can only use the lower water of ion concentration generally, so through setting up two outlet pipes, can be according to the ion concentration in the first treatment room and the ion concentration's of second treatment room comparison result with the lower one of ion concentration and external delivery port be linked together, convenience of customers uses.
One end of the first water outlet pipe is communicated with the first treatment chamber so that water is discharged from the first treatment chamber, and one end of the second water outlet pipe is communicated with the second treatment chamber so that water is accurately discharged from the second treatment chamber.
In the above technical solution, the water outlet pipeline further includes: one end of the first water outlet branch pipe is communicated with the first water outlet pipe; one end of the second water outlet branch pipe is communicated with the first water outlet pipe; one end of the third water outlet branch pipe is communicated with the second water outlet pipe; and one end of the fourth water outlet branch pipe is communicated with the second water outlet pipe, wherein the other end of the first water outlet branch pipe and the other end of the third water outlet branch pipe are respectively communicated with the light water outlet pipe, the other end of the second water outlet branch pipe and the other end of the fourth water outlet branch pipe are respectively communicated with the concentrated water outlet pipe, and the inlet end of the return pipeline is communicated with the concentrated water outlet pipe.
In the technical scheme, the water outlet pipeline comprises a first water outlet branch pipe, a second water outlet branch pipe, a third water outlet branch pipe and a fourth water outlet branch pipe, and the connection relation between the four water outlet branch pipes and the first water outlet pipe, the light water outlet pipe and the thick water outlet pipe is limited, so that water can smoothly flow outwards in the process of purifying the water in the first treatment chamber and the second treatment chamber, and the alternating control of the two treatment chambers is realized, so that the reliability of water purification operation is improved. Specifically, the first treatment chamber is communicated with the light water pipe through the first water outlet pipe, the first water outlet branch pipe and the light water pipe in sequence, the first treatment chamber is communicated with the thick water outlet pipe through the first water outlet pipe, the second water outlet branch pipe and the thick water outlet pipe in sequence, the second treatment chamber is communicated with the light water pipe through the second water outlet pipe, the third water outlet branch pipe and the second water outlet pipe in sequence, and the second treatment chamber is communicated with the thick water outlet pipe through the second water outlet pipe, the fourth water outlet branch pipe and the thick water outlet pipe in sequence so as to control the flow direction of water.
In the above technical solution, further includes: the second valve subassembly is located on the outlet pipe way, and the second valve subassembly includes: the first water outlet valve is arranged on the first water outlet branch pipe; the second water outlet valve is arranged on the second water outlet branch pipe, and the third water outlet valve is arranged on the third water outlet branch pipe; and the fourth water outlet valve is arranged on the fourth water outlet branch pipe, one of the first water outlet valve and the third water outlet valve is opened, the other is closed, and one of the second water outlet valve and the fourth water outlet valve is opened, and the other is closed.
In the technical scheme, a second valve assembly is arranged on a water outlet pipeline and can control the on-off of four water outlet branch pipes, specifically, a first water outlet valve is arranged on a first water outlet branch pipe, a second water outlet valve is arranged on a second water outlet branch pipe, a third water outlet valve is arranged on a third water outlet branch pipe, and a fourth water outlet valve is arranged on a fourth water outlet branch pipe.
In the above technical solution, the valve assembly specifically includes: the first flow valve is arranged on the first main water inlet pipe; the second flow valve is arranged on the concentrated water outlet pipe.
In this technical solution, the valve assembly includes: a first flow valve and a second flow valve, the first flow valve being arranged on the first main inlet pipe. When water flows into the first water inlet pipe, the first flow valve effectively controls the water quantity entering the first water inlet pipe, namely the water quantity discharged through the treatment chamber is effectively controlled, and the accuracy of water purification operation is improved. Similarly, the second flow valve is arranged on the concentrated water outlet pipe, so that the water quantity of the concentrated water flowing back to the treatment chamber through the return pipeline and the water inlet pipeline can be controlled, the whole purification flow of the waterway system is controlled by utilizing the concentrated water generated after purification is finished, and the possibility of influencing the internal structure due to pressure difference is reduced.
Further, by controlling the flow rates of water in the first flow valve and the second flow valve to control the ratio of the flow rates of water in the first main water inlet pipe and the second main water inlet pipe, water distributed according to a certain ratio can be respectively flowed into the first processing chamber and the second processing chamber, and then discharged through the water outlet pipeline, so that the water purifying operation is realized.
In the above technical solution, further includes: the other two valve ports of the third three-way valve are respectively communicated with the first water inlet branch and the second water inlet branch; and one valve port of the fourth three-way valve is communicated with the second main water inlet pipe, and the other two valve ports of the fourth three-way valve are respectively communicated with the third water inlet branch and the fourth water inlet branch.
In the technical scheme, one valve port of the third three-way valve is communicated with the first main water inlet pipe, the other two valve ports of the third three-way valve are respectively communicated with the first water inlet branch pipe and the second water inlet branch pipe, the water supply direction of the first main water inlet pipe is controlled by controlling the orientation of the valve of the third three-way valve, and specifically, when the first water inlet branch pipe is communicated with the first treatment chamber and the second water inlet branch pipe is disconnected with the second treatment chamber, water to be purified is supplied to the first treatment chamber through the first main water inlet pipe and the first water inlet branch pipe; when the first water inlet branch is disconnected from the first treatment chamber and the second water inlet branch is communicated with the second treatment chamber by the third three-way valve, water to be purified is supplied to the second treatment chamber through the first main water inlet pipe and the second water inlet branch; likewise, one valve port of the fourth three-way valve is communicated with the second main water inlet pipe, and the other two valve ports of the fourth three-way valve are respectively communicated with the third water inlet branch pipe and the fourth water inlet branch pipe, so that the water supply direction of the second main water inlet pipe is controlled by controlling the orientation of the valve of the second three-way valve, and specifically, when the fourth three-way valve enables the third water inlet branch pipe to be communicated with the first treatment chamber and the fourth water inlet branch pipe to be disconnected with the second treatment chamber, water to be purified is supplied to the first treatment chamber through the second main water inlet pipe and the third water inlet branch pipe; when the third water inlet branch is disconnected from the first treatment chamber and the fourth water inlet branch is communicated with the second treatment chamber by the fourth three-way valve, water to be purified is supplied to the second treatment chamber through the second main water inlet pipe and the fourth water inlet branch.
In the above technical solution, further includes: the water channel switching device is provided with two inlets which are respectively communicated with the first water outlet pipe and the second water outlet pipe, and two outlets which are respectively communicated with the fresh water outlet and the concentrated water outlet, wherein the first water outlet branch, the second water outlet branch, the third water outlet branch and the fourth water outlet branch are arranged on the water channel switching device.
In the technical scheme, the waterway switching device is arranged in the waterway system, and the two inlets which are communicated with the first water outlet pipe and the second water outlet pipe are arranged, so that purified water can enter the waterway switching device through the water outlet pipe, the inflow of the water is effectively controlled, and the accuracy of controlling the inflow of the water is improved. In addition, through setting up two export that are linked together respectively with fresh water export and dense water export on waterway switching device, can make water discharge outwards from the treatment chamber accuracy, improve control water discharge's accuracy.
In addition, set up first play water branch road, second play water branch road, third play water branch road and fourth play water branch road on waterway switching device, and then can control the flow direction of water, improve the accuracy of control water flow direction.
The technical solution of the third aspect of the present invention provides a water purifying apparatus, including: the box body is provided with a water inlet and a water outlet; the water path system defined in any one of the above technical solutions, wherein a water inlet pipeline of the water path system is connected to the water inlet, and a water outlet pipeline corresponding to the one of the first processing chamber and the second processing chamber of the water path system with the lower concentration of the fluid is connected to the water outlet.
According to the water purifying device, the water inlet and the water outlet are formed in the box body, water to be purified is conveniently led in through the water inlet and is led out from the water outlet after being purified in the first treatment chamber and the second treatment chamber in the waterway system, and it can be understood that the water in the water outlet is purified water with low ion concentration so as to meet daily water requirements of people.
In the above technical solution, further includes: a purification membrane stack, the purification membrane stack comprising: the membrane module structure and electrodes arranged at two ends of the membrane module structure, wherein a first processing chamber and a second processing chamber are formed in the membrane module structure.
In the technical scheme, through setting up the membrane module structure, under the combined action of membrane module structure and electrode that locates its both ends, can form the electrodialysis membrane stack of falling pole that has first treatment chamber and second treatment chamber, concretely, membrane module structure can be to ion selectivity infiltration, the electrode can provide the electric field for first treatment chamber and second treatment chamber, in order to realize anion-cation separation, through applying different voltages on the electrode in the course of the work, can change the direction of movement of ion, make the dense water and the fresh water in first treatment chamber and the second treatment chamber change, for example, first treatment chamber is the light water chamber before unchanged voltage, the second treatment chamber is the dense water chamber, then change the first treatment chamber of voltage back and be the dense water chamber, the second treatment chamber is the light water chamber, the sediment on one side of original membrane face can take place to dissolve, precipitate gradually in the opposite side, can effectively reduce membrane module structure and the possibility that the scale deposit takes place after the electrode is used for a long time, increase of service life.
In the above technical scheme, the membrane module structure comprises a plurality of ion exchange membranes and electrode grooves arranged on two sides of all the ion exchange membranes, wherein the ionic properties of ions contained in fluid on two sides of each ion exchange membrane are different, the electrode is detachably connected with the electrode groove, and a first treatment chamber and a second treatment chamber which are arranged at intervals are formed between the plurality of ion exchange membranes.
In the technical scheme, the membrane assembly structure comprises a plurality of ion exchange membranes and an electrode groove, the electrodes are arranged in the electrode groove, an electric field can be generated for the ion exchange membranes so as to selectively permeate ions, such as anions or cations, under the action of each ion exchange membrane, and the ions contained in fluid at two sides of each ion exchange membrane are different in ionic property, so that electrodialysis purification of water flowing into a purification membrane stack and inversion of electrode voltage transformation are facilitated under the action of the plurality of ion exchange membranes.
In the above technical solution, further includes: and a fixed flow path provided between the electrode groove and the ion exchange membrane adjacent to the electrode groove.
In the technical scheme, the fixed flow path is arranged between the electrode groove and the adjacent ion exchange membrane, and when the voltage applied to the electrodes at the two ends changes, the fixed flow path does not move so as to provide ions required by the ion exchange membrane and ensure the normal operation of the inverting electrode.
In the above technical solution, the number of the ion exchange membranes is five, four processing chambers are formed between the five ion exchange membranes, two of the four processing chambers, which are spaced apart, form a first processing chamber, and the other two form a second processing chamber.
In the technical scheme, four processing chambers can be formed between the five ion exchange membranes, two of the four processing chambers are respectively formed into a first processing chamber and a second processing chamber, on one hand, the water pressure of different processing chambers in the water purifying process can be controlled by adjusting the water inflow ratio, the problems of water leakage or desalination rate reduction and the like of a membrane stack in a waterway system caused by overlarge pressure are prevented, the service life of the device is prolonged, on the other hand, the ionic property of ions in fluid at two sides of each ion exchange membrane can be effectively utilized by adopting the arrangement mode, in short, under the action of an electrode, the ionic property of the five ion exchange membranes is sequentially negative-positive-negative, when the two sides of the processing chambers are respectively negative-positive, the five ion exchange membranes can be defined as the first processing chamber, and when the two sides of the processing chambers are respectively positive-negative, the two ion exchange membranes can be defined as the second processing chamber, so that the unnecessary arrangement of the membrane is reduced, and the unnecessary production cost is reduced.
Particularly, on the basis of setting a fixed flow path, each ion exchange membrane can selectively permeate ions so as to realize the normal function of the reverse electrode and prolong the service life of the membrane stack.
In the above technical scheme, the one end opening of electrode groove, the inner wall of one side that the electrode groove kept away from the opening is equipped with first joint portion, and the second joint portion is located to the outer wall of electrode, realizes the detachable connection of electrode and electrode groove through the cooperation of first joint portion and second joint portion.
In this technical scheme, through setting up first joint portion and second joint portion, can realize the electrode and insert the fixed behind the electrode groove through the opening, specifically, the inner wall of one side that the electrode groove kept away from the opening is located to first joint portion, and the outer wall of electrode is located to second joint portion, under the combined action of both to reduce the electrode landing of taking place in the operation process, thereby can't provide the electric field and realize the possibility of electrodialysis, guarantee the stability of working process.
It should be noted that, the first clamping portion is disposed on an inner wall of a side of the electrode slot away from the opening, and when the upper side of the electrode slot is opened, the first clamping portion is disposed on an inner wall of a lower side of the electrode slot, and when the right side of the electrode slot is opened, the first clamping portion is disposed on an inner wall of a left side of the electrode slot.
In the above technical solution, an electric wire is provided at one end of the electrode away from the second clamping portion; and/or the water purifying equipment further comprises a first electric contact point and a second electric contact point which are respectively arranged on the first clamping part and the second clamping part, and the first electric contact point and the second electric contact point are connected to form a passage.
In the technical scheme, the electrode can be normally used only when being electrified, so that an electric wire can be arranged at one end of the electrode, which is far away from the second clamping part, namely, when the electrode is inserted into the electrode groove, the electric wire is arranged at one end, which is close to the opening, so that the lead-out of the electric wire and the connection with an external power supply are facilitated, or the electric connection is realized through electric contact points respectively arranged on the first clamping part and the second clamping part, and the electrode can acquire electric energy from the membrane stack, so that the normal generation of an electric field is realized.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
Fig. 1 illustrates a schematic structural view of a waterway system according to an embodiment of the present invention;
Fig. 2 illustrates a schematic construction of a waterway system according to still another embodiment of the present invention;
fig. 3 is a schematic block diagram illustrating a structure of a water purifying apparatus according to an embodiment of the present invention;
fig. 4 illustrates a schematic structure of a purification membrane stack in a water purification apparatus according to an embodiment of the present invention;
fig. 5 illustrates a schematic structure of a purification membrane stack in a water purification apparatus according to an embodiment of the present invention;
Fig. 6 is a schematic view showing a structure in which an electrode is fitted to an electrode tank in a water purifying apparatus according to an embodiment of the present invention;
fig. 7 illustrates a schematic structure of an electrode and an electrode tank in a water purifying apparatus according to an embodiment of the present invention.
Wherein, the corresponding relation between the marks and the structures in the above figures is as follows:
300 return line, 301 water pump, 400 first treatment chamber, 500 second treatment chamber, 102 first main inlet pipe, 104 second main inlet pipe, 106 first inlet leg, 108 second inlet leg, 110 third inlet leg, 112 fourth inlet leg, 114 first flow valve, 116 second flow valve, 202 first inlet valve, 204 second inlet valve, 206 third inlet valve, 208 fourth inlet valve, 210 first outlet valve, 212 second outlet valve, 214 third outlet valve, 216 fourth outlet valve, 302 first outlet pipe, 304 second outlet pipe, 306 first outlet leg, 308 second outlet leg, 310 third outlet leg, 312 fourth outlet leg, 320 light outlet pipe, 322 concentrate outlet pipe, 600 water purification apparatus, 602 box, 700 purification membrane stack, 702 electrode, 7022 second clamping portion, 7024 second electrical contact, 704 ion exchange membrane, 706 electrode slot, 7062 first clamping portion, 7064 first electrical contact, 708 fixed flow path, 710 electrical wire.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Some embodiments of the present invention are described below with reference to fig. 1 to 7.
Example 1
As shown in fig. 1, the waterway system according to one embodiment of the present invention, in which a flow direction of fluid is shown by an arrow, includes:
The water treatment device comprises a water inlet pipeline, a water outlet pipeline, a first treatment chamber 400, a second treatment chamber 500 and a return pipeline 300, wherein two ends of the first treatment chamber 400 and the second treatment chamber 500 are respectively communicated with the water inlet pipeline and the water outlet pipeline, so that water to be purified is respectively conveyed to the first treatment chamber 400 and the second treatment chamber 500 through the water inlet pipeline, and is discharged through the water outlet pipeline after being treated by the first treatment chamber 400 and the second treatment chamber 500, thereby obtaining purified water for removing salt and impurities.
The first treatment chamber 400 and the second treatment chamber 500 act as the primary treatment modules of the reverse electrodialysis membrane stack, and ions of the fluid in the first treatment chamber 400 and the fluid in the second treatment chamber 500 are capable of penetrating each other under the influence of an electric field to change the ion concentrations of the fluid in the first treatment chamber 400 and the second treatment chamber 500.
In one embodiment, when fresh water is stored in the first treatment chamber 400, concentrated water is stored in the second treatment chamber 500.
In another embodiment, when fresh water is stored in the second treatment chamber 500, concentrated water is stored in the first treatment chamber 400.
Further, the water pump 301 with adjustable power is arranged on the return pipeline 300, so that the flow rate of the fluid with higher concentration through the return pipeline 300 can be controlled to control the overall pressure difference in the system, and furthermore, the return flow rate is controlled to be the difference value between the fresh water yield and the concentrated water discharge amount through the water pump 301, so that the overall safety of the system can be greatly improved, the inner membrane water retention of the treatment chamber with higher concentration is also improved, and the membrane structure and the deformation risk are reduced.
Example two
As shown in fig. 1, a waterway system according to still another embodiment of the present invention includes:
The first main water inlet pipe 102 and the second main water inlet pipe 104, a water outlet pipeline, a first processing chamber 400, a second processing chamber 500 and a return pipeline 300, wherein two ends of the first processing chamber 400 and the second processing chamber 500 are respectively communicated with the water inlet pipeline and the water outlet pipeline, the first water inlet branch pipe 106 which is respectively communicated with the first main water inlet pipe 102 and the first processing chamber 400, the second water inlet branch pipe 108 which is respectively communicated with the first main water inlet pipe 102 and the second processing chamber 500, the third water inlet branch pipe 110 which is respectively communicated with the second main water inlet pipe 104 and the first processing chamber 400, the fourth water inlet branch pipe 112 which is respectively communicated with the second main water inlet pipe 104 and the second processing chamber 500 are also included.
By providing different connection relations among the water inlet branch pipe, the main water inlet pipe and the treatment chambers to control the flow direction of water, alternate control of the two treatment chambers can be realized to control the water supply amount of the first treatment chamber 400 and the second treatment chamber 500 so as to improve the reliability of water purifying operation.
In addition, the first inlet valve 202, the second inlet valve 204, the third inlet valve 206 and the fourth inlet valve 208 are respectively arranged on the first inlet branch pipe 106, the second inlet branch pipe 108, the third inlet branch pipe 110 and the fourth inlet branch pipe 112, when the four inlet valves are controlled to be opened and closed, one of the first inlet valve 202 and the second inlet valve 204 is opened, the other is closed, one of the third inlet valve 206 and the fourth inlet valve 208 is opened, and the other is closed, so that the independence of water flowing into the two processing chambers can be satisfied, and the flow of the inflow water is convenient to control.
In one embodiment, the first inlet valve 202 is open, the second inlet valve 204 is closed, the third inlet valve 206 is open, the fourth inlet valve 208 is closed, water to be purified is supplied to the first treatment chamber 400 through the first inlet manifold 106 after passing through the first main inlet pipe 102, and water in the second main inlet pipe 104 is supplied to the second treatment chamber 500 through the third inlet manifold 110.
In another embodiment, the first inlet valve 202 is closed, the second inlet valve 204 is open, the third inlet valve 206 is closed, the fourth inlet valve 208 is open, water to be purified is supplied to the first treatment chamber 400 through the second inlet manifold 108 after passing through the first main inlet pipe 102, and water in the second main inlet pipe 104 is supplied to the second treatment chamber 500 through the fourth inlet manifold 112.
In another embodiment, the first 202 and second 204 inlet valves are replaced with a first three-way valve and the third 206 and fourth 208 inlet valves are replaced with a second three-way valve.
As shown in fig. 1, further, the first flow valve 114 is disposed on the first main water inlet pipe 102, the second flow valve 116 is disposed on the second main water inlet pipe 104, and by controlling the flow rates of the water in the first flow valve 114 and the second flow valve 116 to control the ratio of the water flow rates in the first main water inlet pipe 102 and the second main water inlet pipe 104, the water distributed according to a certain ratio can be respectively flowed into the first treatment chamber 400 and the second treatment chamber 500, and then discharged through the water outlet pipeline, thereby realizing the water purifying operation.
In one specific embodiment, the flow of fluid into the first process chamber 400 and the second process chamber 500 is controlled by the first flow valve 114 and the second flow valve 116, and the ion concentration generated after purging corresponds to the applied voltage as shown in the following table:
| TDS(ppm) | voltage (V) |
| 800-1000 | 100 |
| 600-800 | 80 |
| 400-600 | 60 |
| 200-400 | 40 |
| 0-200 | 20 |
The correspondence between the ion concentration produced after purification and the recovery rate of the whole system is shown in the following table:
| TDS(ppm) | Recovery rate |
| 800-1000 | 50 |
| 600-800 | 60 |
| 400-600 | 70 |
| 200-400 | 80 |
| 0-200 | 90 |
Example III
On the basis of the second embodiment, the water outlet pipeline includes: a first water outlet pipe 302 and a second water outlet pipe 304, wherein one end of the first water outlet pipe 302 is communicated with the first processing chamber 400, and one end of the second water outlet pipe 304 is communicated with the second processing chamber 500.
In addition, the water outlet pipeline further comprises a first water outlet branch pipe 306, a second water outlet branch pipe 308, a third water outlet branch pipe 310 and a fourth water outlet branch pipe 312, and by limiting the connection relation between the four water outlet branch pipes and the first water outlet pipe 302, the light water outlet pipe 320 and the thick water outlet pipe 322, water can smoothly flow outwards in the process of purifying water in the first treatment chamber 400 and the second treatment chamber 500, so that the alternate control of the two treatment chambers is realized, and the reliability of water purifying operation is improved. Specifically, the first treatment chamber 400 is sequentially communicated with the first water outlet pipe 302, the first water outlet branch pipe 306 and the light water outlet pipe 320, the first treatment chamber 400 is sequentially communicated with the first water outlet pipe 302, the second water outlet branch pipe 308 and the thick water outlet pipe 322, the second treatment chamber 500 is sequentially communicated with the second water outlet pipe 304, the third water outlet branch pipe 310 and the light water outlet pipe 320, and the second treatment chamber 500 is sequentially communicated with the second water outlet pipe 304, the fourth water outlet branch pipe 312 and the thick water outlet pipe 322 so as to control the flow direction of water.
The first outlet valve 210, the second outlet valve 212, the third outlet valve 214, and the fourth outlet valve 216 are respectively provided on the first outlet branch pipe 306, the second outlet branch pipe 308, the third outlet branch pipe 310, and the fourth outlet branch pipe 312, and by limiting one of the first outlet valve 210 and the third outlet valve 214 to be opened and the other to be closed, the fluid discharged outwards through the fresh water pipe 320 can be purified by only one treatment chamber, and likewise, by limiting one of the second outlet valve 212 and the fourth outlet valve 216 to be opened and the other to be closed, the fluid flowing to the concentrated outlet pipe 322 can be purified by only one treatment chamber.
As shown in fig. 2, the flow direction of the fluid is shown by arrows in the figure, further, the first flow valve 114 and the second flow valve 116 are respectively arranged on the first main water inlet pipe 102 and the concentrated water outlet pipe 322, and the existence of the return pipeline 300 can control the amount of the concentrated water flowing back to the treatment chamber through the return pipeline 300 and the water inlet pipeline by the second flow valve 116, so that the purified flow rate of the whole waterway system is controlled by utilizing the concentrated water generated after the purification is completed, and the possibility of influencing the internal structure due to the existence of pressure difference is reduced.
In another embodiment, the first outlet valve 210 and the second outlet valve 212 described above are replaced with a third three-way valve, and the third outlet valve 214 and the fourth outlet valve 216 are replaced with a fourth three-way valve.
In another embodiment, the first outlet valve 210, the second outlet valve 212, the third outlet valve 214, and the fourth outlet valve 216 are replaced by waterway switching devices.
In a specific embodiment, according to the overall recovery requirement of the system, the first flow valve 114 controls the fresh water flow, the second flow valve 116 controls the concentrate flow, generally speaking, the fresh water flow is larger than the concentrate flow, when the waterway system is in a normal working state, the first water inlet valve 202, the fourth water inlet valve 208, the first water outlet valve 210 and the fourth water outlet valve 216 are opened, the second water inlet valve 204, the third water inlet valve 206, the second water outlet valve 212 and the third water outlet valve 214 are closed, the water pump 301 is started to enable part of concentrate in the system to flow back, the power of the water pump 301 is adjustable to enable the return water flow to reach the expected value (preferably, the return water flow and the concentrate discharge = fresh water yield, at the moment, the concentrate flow channel and the concentrate flow in the electric purification module are the same, no pressure difference is generated, the membrane is not easy to deform, the leakage risk of the system is reduced, the membrane pressure difference problem on two sides can be solved while the membrane scale formation and the risk of deformation are reduced, and the service life of the system is prolonged under the condition that the recovery rate of the system is ensured. In the reverse pole operation, the first water inlet valve 202, the fourth water inlet valve 208, the first water outlet valve 210 and the fourth water outlet valve 216 are closed, the second water inlet valve 204, the third water inlet valve 206, the second water outlet valve 212 and the third water outlet valve 214 are opened, and the electrodes corresponding to the first processing chamber 400 and the second processing chamber 500 are switched to clean the membrane and the runner.
Example IV
As shown in fig. 3, an embodiment of the present invention discloses a water purifying apparatus 600 including: a box 602, on which a water inlet and a water outlet are provided; the waterway system defined in any of the embodiments has the technical effects of any of the embodiments described above, and will not be described in detail herein. The water inlet pipeline of the waterway system is communicated with the water inlet, and the water outlet pipeline corresponding to the lower concentration of the fluid in the first treatment chamber and the second treatment chamber of the waterway system is communicated with the water outlet.
Example five
As shown in fig. 4 and 5, an embodiment of the present invention discloses a water purifying apparatus 600 including: the box 602 is provided with a water inlet and a water outlet, a water inlet pipeline of the waterway system is communicated with the water inlet, and a water outlet pipeline corresponding to the lower fluid concentration in the first processing chamber and the second processing chamber of the waterway system is communicated with the water outlet. In addition, through setting up the purification membrane stack 700 that has membrane module structure and electrode 702, under the combined action of membrane module structure and electrode 702 that locates its both ends, can form the electrodialysis membrane stack of falling pole that has first treatment chamber and second treatment chamber, concretely, membrane module structure can be to ion selective transmission, electrode 702 can provide the electric field for first treatment chamber and second treatment chamber, in order to realize anion and cation separation, through applying different voltages on electrode 702 in the course of the work, can change the direction of movement of ion, make the dense water in first treatment chamber and the second treatment chamber change with fresh water, for example, first treatment chamber is the light water chamber before unchanged voltage, the second treatment chamber is the dense water chamber, first treatment chamber is the light water chamber after changing voltage, the deposit on one side of original membrane face can dissolve, deposit gradually deposit in the opposite side, can effectively reduce membrane module structure and electrode 702 and take place the possibility of scale deposit after long-time use, increase in service life.
Further, the membrane module structure includes a plurality of ion exchange membranes 704 and an electrode slot 706, by disposing the electrode 702 in the electrode slot 706, an electric field can be generated for the ion exchange membranes 704 to selectively permeate ions, such as anions or cations, under the action of each ion exchange membrane 704, and under the action of the plurality of ion exchange membranes 704, the ion exchange membranes 704 are more beneficial to electrodialysis purification of water flowing into the purification membrane stack 700 and inversion of the voltage of the electrode 702, in particular, the electrode 702 is detachably disposed in the electrode slot 706, when the electrode 702 is damaged, and when the electric field cannot be generated, normal operation of the membrane stack can be realized only by replacing the damaged electrode 702, thereby prolonging the service life.
In one particular embodiment, by providing a fixed flow path 708 between the electrode cell 706 and the adjacent ion exchange membrane 704, the fixed flow path 708 does not move when the voltage applied to the electrodes 702 at both ends changes, to provide the ions required by the ion exchange membrane 704, ensuring proper operation of the inverter.
Example six
An embodiment of the present invention discloses a water purifying apparatus 600, comprising: the box 602 is provided with a water inlet and a water outlet, a water inlet pipeline of the waterway system is communicated with the water inlet, and a water outlet pipeline corresponding to the lower fluid concentration in the first processing chamber and the second processing chamber of the waterway system is communicated with the water outlet. In addition, by providing the purification membrane stack 700 having five ion exchange membranes 704 and two electrodes 702, four process chambers are formed between the five ion exchange membranes 704, two of the four process chambers, which are spaced apart, form a first process chamber, and the other two form a second process chamber. Four processing chambers can be formed between the two processing chambers, namely a first processing chamber and a second processing chamber can be formed by respectively setting two of the four processing chambers, on one hand, the water pressure in the water purifying process entering different processing chambers can be controlled by adjusting the water inflow ratio, the problems of water leakage or desalination rate reduction and the like of a membrane stack in a waterway system caused by overlarge pressure are prevented, the service life of equipment is prolonged, on the other hand, the ionic property of ions in fluid at two sides of each ion exchange membrane 704 can be effectively utilized by adopting the setting mode, in short, under the action of the electrode 702, the ionic property of five ion exchange membranes 704 is sequentially negative-positive-negative, when the two sides of the processing chambers are respectively negative-positive, the two sides of the processing chambers are respectively positive-negative, the two sides of the processing chambers are respectively defined as the first processing chambers, the two processing chambers are respectively positive-negative, the unnecessary setting of the unnecessary ion exchange membranes is reduced, and a plurality of processing chambers are formed under the action of limited ion exchange membranes 704, so that unnecessary production cost is reduced.
In one particular embodiment, a fixed flow path 708 is provided between the electrode cell 706 and the adjacent ion exchange membranes 704, each ion exchange membrane 704 being selectively permeable to ions to achieve the normal function of a reverse pole, increasing the useful life of the membrane stack.
As shown in fig. 6, further, by providing the first clamping portion 7062 and the second clamping portion 7022, the electrode 702 can be fixed after being inserted into the electrode slot 706 through the opening, specifically, the first clamping portion 7062 is disposed on the inner wall of one side of the electrode slot 706 away from the opening, and the second clamping portion 7022 is disposed on the outer wall of the electrode 702 under the combined action of the two, so as to reduce the possibility that the electrode 702 slides down in the operation process, thus failing to provide an electric field to realize electrodialysis, and ensuring the stability of the operation process.
The first engaging portion 7062 is provided on an inner wall of the electrode slot 706 on a side away from the opening, and when the upper side of the electrode slot 706 is opened, the first engaging portion 7062 is provided on a lower inner wall of the electrode slot 706, and when the right side of the electrode slot 706 is opened, the first engaging portion 7062 is provided on a left inner wall of the electrode slot 706.
In one particular embodiment, as shown in fig. 5, an end of the electrode 702 remote from the second clamping portion 7022 is provided with a wire 710.
In another specific embodiment, as shown in fig. 7, the connector further includes a first electrical contact 7064 and a second electrical contact 7024 disposed on the first clamping portion 7062 and the second clamping portion 7022, respectively, wherein the first electrical contact 7064 and the second electrical contact 7024 are connected to form a path.
In summary, according to the waterway system and the water purifying equipment provided by the invention, the valve assembly is arranged on the water inlet pipeline, so that the water pressure entering different treatment chambers in the water purifying process can be controlled, the problems of water leakage or desalination rate reduction and the like of a membrane stack in the waterway system caused by overlarge pressure are prevented, and the service life of the equipment is prolonged.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (19)
1. A waterway system, comprising:
A water inlet pipeline and a water outlet pipeline;
the two ends of the first treatment chamber are respectively communicated with the water inlet pipeline and the water outlet pipeline, and the two ends of the second treatment chamber are respectively communicated with the water inlet pipeline and the water outlet pipeline;
A return line, an inlet end of the return line being connected to a water outlet line connected to one of the first and second process chambers having a higher ion concentration, an outlet end of the return line being connected to a water inlet line connected to the other of the first and second process chambers,
Wherein ions of the fluid within the first process chamber and ions of the fluid within the second process chamber are mutually permeable to change the ion concentrations of the fluids within the first process chamber and the second process chamber;
The water pump is arranged on the return pipeline to drive the fluid at the inlet end to flow to the outlet end;
the water inlet pipeline specifically comprises:
a first main water inlet pipe and a second main water inlet pipe,
The first main water inlet pipe is communicated with the first treatment chamber, the second main water inlet pipe is communicated with the second treatment chamber, and the outlet end of the return pipeline is connected with the second main water inlet pipe.
2. The waterway system of claim 1, wherein the water inlet tube further comprises:
The two ends of the first water inlet branch pipe are respectively communicated with the first main water inlet pipe and the first treatment chamber;
The two ends of the second water inlet branch pipe are respectively communicated with the first main water inlet pipe and the second treatment chamber;
the two ends of the third water inlet branch pipe are respectively communicated with the second main water inlet pipe and the first treatment chamber;
and two ends of the fourth water inlet branch pipe are respectively communicated with the second main water inlet pipe and the second treatment chamber.
3. The waterway system of claim 2, further comprising:
the first water inlet valve is arranged on the first water inlet branch pipe;
The second water inlet valve is arranged on the second water inlet branch pipe;
The third water inlet valve is arranged on the third water inlet branch pipe;
a fourth water inlet valve arranged on the fourth water inlet branch pipe,
Wherein one of the first water inlet valve and the second water inlet valve is opened, the other is closed, and one of the third water inlet valve and the fourth water inlet valve is opened, and the other is closed.
4. The waterway system of claim 2, further comprising:
The two valve ports of the first three-way valve are respectively communicated with the first water inlet branch and the second water inlet branch, and the other valve port of the first three-way valve is communicated with the first main water inlet pipe;
The two valve ports of the second three-way valve are respectively communicated with the third water inlet branch and the fourth water inlet branch, and the other valve port of the second three-way valve is communicated with the second main water inlet pipe.
5. The waterway system of claim 1, further comprising:
the first flow valve is arranged on the first main water inlet pipe;
The second flow valve is arranged on the second main water inlet pipe,
Wherein the first flow valve and the second flow valve are capable of controlling the ratio of the inflow rates of the first treatment chamber and the second treatment chamber.
6. The waterway system of any one of claims 1 to 4, wherein the outlet pipeline includes:
one end of the first water outlet pipe is communicated with the first treatment chamber;
and one end of the second water outlet pipe is communicated with the second treatment chamber.
7. The waterway system of claim 6, wherein the outlet conduit further comprises:
one end of the first water outlet branch pipe is communicated with the first water outlet pipe;
one end of the second water outlet branch pipe is communicated with the first water outlet pipe;
one end of the third water outlet branch pipe is communicated with the second water outlet pipe;
one end of the fourth water outlet branch pipe is communicated with the second water outlet pipe,
The other end of the first water outlet branch pipe and the other end of the third water outlet branch pipe are respectively communicated with a light water outlet pipe, the other end of the second water outlet branch pipe and the other end of the fourth water outlet branch pipe are respectively communicated with a concentrated water outlet pipe, and the inlet end of the return pipeline is communicated with the concentrated water outlet pipe.
8. The waterway system of claim 7, further comprising: the second valve subassembly is located on the outlet pipe way, the second valve subassembly includes:
the first water outlet valve is arranged on the first water outlet branch pipe;
the second water outlet valve is arranged on the second water outlet branch pipe;
the third water outlet valve is arranged on the third water outlet branch pipe;
A fourth water outlet valve arranged on the fourth water outlet branch pipe,
Wherein one of the first water outlet valve and the third water outlet valve is opened, the other is closed, and one of the second water outlet valve and the fourth water outlet valve is opened, and the other is closed.
9. The waterway system of claim 7, further comprising:
the first flow valve is arranged on the first main water inlet pipe;
the second flow valve is arranged on the concentrated water outlet pipe,
Wherein the first flow valve and the second flow valve are capable of controlling the ratio of the inflow rates of the first treatment chamber and the second treatment chamber.
10. The waterway system of claim 7, further comprising:
The two valve ports of the third three-way valve are respectively communicated with the first water outlet branch and the second water outlet branch, and the other valve port of the third three-way valve is communicated with the first water outlet pipe;
And the other valve port of the fourth three-way valve is communicated with the second water outlet pipe.
11. The waterway system of claim 7, further comprising:
The waterway switching device is provided with two inlets respectively communicated with the first water outlet pipe and the second water outlet pipe and two outlets respectively communicated with the light water outlet pipe and the thick water outlet pipe,
The first water outlet branch, the second water outlet branch, the third water outlet branch and the fourth water outlet branch are arranged on the waterway switching device.
12. A water purification apparatus, comprising:
The box body is provided with a water inlet and a water outlet;
The waterway system of any of claims 1-11, wherein an inlet pipeline of the waterway system is connected to the water inlet, and a corresponding outlet pipeline of the waterway system having a lower concentration of fluid in the first and second process chambers is connected to the water outlet.
13. The water purification apparatus of claim 12, further comprising: a purification membrane stack, the purification membrane stack comprising:
a membrane assembly structure, electrodes arranged at two ends of the membrane assembly structure,
Wherein the first and second process chambers are formed within the membrane module structure.
14. The water purification apparatus according to claim 13, wherein the membrane module structure comprises a plurality of ion exchange membranes and electrode grooves provided at both sides of all the ion exchange membranes, the ionic properties of ions contained in the fluid at both sides of each of the ion exchange membranes are different,
The electrode is detachably connected with the electrode groove, and the first treatment chamber and the second treatment chamber which are arranged at intervals are formed among the ion exchange membranes.
15. The water purification apparatus of claim 14, wherein the number of ion exchange membranes is plural, and the ion properties of any two adjacent ion exchange membranes are different.
16. The water purification apparatus of claim 15, further comprising:
And a fixed flow path provided between the electrode groove and the ion exchange membrane adjacent to the electrode groove.
17. The water purification apparatus of claim 14, wherein the number of ion exchange membranes is five, four process chambers are formed between the five ion exchange membranes, two of the four process chambers are spaced apart to form the first process chamber, and the other two of the four process chambers are formed to form the second process chamber.
18. The water purification apparatus according to claim 14, wherein one end of the electrode groove is opened, a first clamping portion is provided on an inner wall of a side of the electrode groove away from the opening, the outer wall of the electrode is provided on a second clamping portion, and the electrode is detachably connected with the electrode groove through cooperation of the first clamping portion and the second clamping portion.
19. The water purification apparatus of claim 18, wherein,
An electric wire is arranged at one end of the electrode, which is far away from the second clamping part; and/or
The water purifying equipment further comprises a first electric contact point and a second electric contact point which are respectively arranged on the first clamping part and the second clamping part, and the first electric contact point and the second electric contact point are connected to form a passage.
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| CN202010125593.XA CN111115771B (en) | 2020-02-27 | 2020-02-27 | Waterway system and water purifying equipment |
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| CN202010125593.XA CN111115771B (en) | 2020-02-27 | 2020-02-27 | Waterway system and water purifying equipment |
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| CN111115771A CN111115771A (en) | 2020-05-08 |
| CN111115771B true CN111115771B (en) | 2024-05-14 |
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| CN111470590A (en) * | 2020-05-28 | 2020-07-31 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier, water purification control method and water purifier |
| CN111545070B (en) * | 2020-05-28 | 2022-04-12 | 佛山市顺德区美的饮水机制造有限公司 | Electrodialysis device |
| CN113929194B (en) * | 2020-06-29 | 2023-06-09 | 佛山市顺德区美的饮水机制造有限公司 | Water treatment device |
| CN113929251A (en) * | 2020-06-29 | 2022-01-14 | 佛山市顺德区美的饮水机制造有限公司 | Water treatment facilities and water purification unit |
| CN114074979A (en) * | 2020-08-12 | 2022-02-22 | 云米互联科技(广东)有限公司 | Household water purifying device and table-board water purifying machine |
| CN112591858A (en) * | 2020-12-10 | 2021-04-02 | 佛山市顺德区美的饮水机制造有限公司 | Waterway system, control method, water purifier and machine readable storage medium |
| CN114162925B (en) * | 2020-12-10 | 2024-05-03 | 佛山市美的清湖净水设备有限公司 | Waterway system of water making equipment, control method and water making equipment |
| CN114162922A (en) * | 2020-12-10 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Water purification unit's waterway system and water purification unit |
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