CN212403777U - Water purifying device - Google Patents

Abstract

The application discloses purifier includes: the single-channel desalting component comprises a single-channel desalting filter element, a water inlet and a water outlet; the pipeline system comprises a waterway switching device, and the waterway switching device is connected with a water outlet of the single-channel desalting component; the single-channel desalting filter element comprises at least one of a bipolar membrane electrodeionization filter element, an ion exchange resin filter element, a capacitance desalting filter element and a membrane capacitance desalting filter element; the waterway switching device comprises a tangential valve or a plurality of two-way electromagnetic valve groups. Waste water can not be discharged when the water flowing through is purified by the single-channel desalting component, so that the utilization rate of the water is improved.

Description

Water purifying device

Technical Field

The application relates to the technical field of household water purification, in particular to a water purifying device.

Background

Along with the progress of society, the living standard of people is improved, and people pay more and more attention to the sanitation of self diet drinking water. At present, tap water is usually treated by a chlorination method, so that water-borne diseases can be effectively prevented, but the tap water contains salt, impurities, residual chlorine and the like, does not have conditions for direct drinking, and needs to be purified before drinking.

In the prior art, a reverse osmosis membrane is often used to purify tap water to prepare pure water which can be directly drunk. The reverse osmosis membrane can effectively prevent substances such as bacteria, viruses, water scales, salt ions and the like and only allows water molecules to pass through, thereby ensuring the safety of water. During the treatment process, substances such as bacteria, viruses, scale, salt ions and the like which do not pass through the reverse osmosis membrane form concentrated water to be discharged. The prior common reverse osmosis membrane generates more concentrated water during purification and is not high in water utilization rate.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a purifier, adopts single channel desalination subassembly of single flow path to carry out the water purification, and the water that gets into single channel desalination subassembly can be followed the delivery port and discharged, obtains purification treatment simultaneously, does not produce waste water at this in-process, has improved the utilization ratio of water.

The application provides a water purification unit, water purification unit includes:

the single-channel desalting component comprises a single-channel desalting filter element, a water inlet and a water outlet;

the pipeline system comprises a waterway switching device, and the waterway switching device is connected with a water outlet of the single-channel desalting component;

the single-channel desalting filter element comprises at least one of a bipolar membrane electrodeionization filter element, an ion exchange resin filter element, a capacitance desalting filter element and a membrane capacitance desalting filter element;

the waterway switching device comprises a tangential valve or a plurality of two-way electromagnetic valve groups.

Illustratively, the single-channel desalination assembly and the waterway switching device both comprise a plurality of single-channel desalination assemblies which are connected in series, and the water outlet of each single-channel desalination assembly is connected with the waterway switching device.

Illustratively, a plurality of the single-channel desalination assemblies are regenerated sequentially, a reverse voltage is applied to the regenerated single-channel desalination assemblies, and a tangential valve connected with a water outlet of the regenerated single-channel desalination assemblies is simultaneously tangential to a regeneration direction port, so that the regenerated wastewater is discharged through the regeneration direction port;

wherein the water flowing into the water inlet of the single-channel desalting component which is being regenerated comes from the water produced by the purification treatment of the single-channel desalting component connected in series.

Illustratively, the bipolar membrane electrodeionization filter cartridge comprises at least one pair of electrodes, each pair of electrodes comprising a first electrode disposed opposite a cation exchange membrane and a second electrode disposed opposite an anion exchange membrane, and at least one bipolar membrane disposed between the at least one pair of electrodes, each bipolar membrane comprising a cation exchange membrane and an anion exchange membrane; when the electric potential of the first electrode is higher than that of the second electrode, purifying the water flowing into the water inlet through the cation exchange membrane and the anion exchange membrane; when the potential of the first electrode is not higher than the potential of the second electrode, the salt substances in the single-channel desalination assembly are discharged by the water flushing from the water inlet.

Illustratively, the water purification unit still includes the power supply subassembly, the power supply subassembly is connected the single channel desalination subassembly.

Illustratively, the household water purifying device further comprises a control component, and when the current time is preset time, the control component controls the power supply component to cut off the power supply to the single-channel desalting component or applies reverse voltage to the single-channel desalting component, so that the potential of the first electrode is not higher than that of the second electrode.

Illustratively, the control module includes an input device, and when the control module detects the water outlet control operation through the input device, the power supply module is controlled to apply a forward voltage to the single-channel desalination module, so that the potential of the first electrode is higher than that of the second electrode.

Illustratively, a pressure reducing valve is connected to the water inlet of the single-channel desalination assembly, and the water pressure corresponding to the water flowing into the water inlet is regulated through the pressure reducing valve.

For example, the pressure reducing valve comprises a plurality of pressure reducing valves which are connected in series.

Illustratively, a filter assembly is connected to the water inlet of the single-channel desalination assembly and/or a filter assembly is connected to the water outlet of the single-channel desalination assembly.

Illustratively, a conductivity detection assembly is connected to the water inlet of the single-channel desalination assembly and/or a conductivity detection assembly is connected to the water outlet of the single-channel desalination assembly.

Illustratively, the water outlet of the single-channel desalination assembly is connected with a flow detection assembly.

The application discloses purifier includes: single channel desalination subassembly and pipe-line system, single channel desalination subassembly includes single channel desalination filter core, water inlet and delivery port, pipe-line system includes water route auto-change over device, wherein water route auto-change over device is connected with the delivery port of single channel desalination subassembly, single channel desalination filter core includes at least one item in bipolar membrane electrodeionization filter core, ion exchange resin filter core, electric capacity desalination filter core, the membrane electric capacity desalination filter core, water route auto-change over device includes tangential valve or a plurality of two-way electromagnetism valves. Waste water can not be discharged when the water flowing through is purified by the single-channel desalting component, so that the utilization rate of the water is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a water purifying apparatus according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a bipolar membrane electrodeionization cartridge desalination process;

FIG. 3 is a schematic diagram of the bipolar membrane electrodeionization filter regeneration process;

FIG. 4 is a schematic structural diagram of an embodiment of a water purifying apparatus;

fig. 5 is a schematic view showing the connection relationship of the parts in the water purifying device.

Reference numerals: 100. a single-channel desalination assembly; 110. a water inlet; 120. a water outlet; 130. a single-channel desalination filter element;

200. a piping system; 210. a first pipeline; 220. a second pipeline; 230. a third pipeline; 240. a waterway switching device; 250. a pressure reducing valve; 260. a filter assembly; 270. a conductivity detection component; 280. a temperature detection assembly; 290. a flow detection component;

300. a power supply assembly; 400. a control component;

131. an electrode; 1311. a first electrode; 1312. a second electrode; 132. bipolar membrane; 1321. a cation exchange membrane; 1322. an anion exchange membrane.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The flow diagrams depicted in the figures are merely illustrative and do not necessarily include all of the elements and operations/steps, nor do they necessarily have to be performed in the order depicted. For example, some operations/steps may be decomposed, combined or partially combined, so that the actual execution sequence may be changed according to the actual situation. In addition, although the division of the functional blocks is made in the device diagram, in some cases, it may be divided in blocks different from those in the device diagram.

The embodiment of the application provides a water purifying device which can be a water purifier, such as a table-board type water purifying/drinking machine.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Fig. 1 is a schematic structural diagram of the water purifying device in this embodiment.

Referring to fig. 1, the water purification apparatus includes a single-channel desalination module 100 and a pipeline system 200.

As shown in FIG. 1, the single-channel desalination assembly 100 comprises a water inlet 110, a water outlet 120 and a single-channel desalination filter element 130, wherein when a positive voltage is applied, the water flowing in from the water inlet 110 is purified, and the treated water flows out from the water outlet 120.

Specifically, the pipe system 200 includes a first pipe 210, a second pipe 220, a third pipe 230, and a waterway switching device 240. The first pipeline 210 is used for sending water to the water inlet 110, and the waterway switching device 240 is connected to the water outlet 120 of the single-channel desalination assembly 100 and is used for switching the water flowing out from the water outlet 120 to the second pipeline 220 or the third pipeline 230.

In the process of purifying water, a forward voltage is applied to the single-channel desalination assembly 100, the single-channel desalination assembly 100 purifies the water flowing in through the water inlet 110, and at the same time, the waterway switching device 240 connected to the water outlet 120 of the single-channel desalination assembly 100 is tangential to the water production direction port, so that the purified pure water is output to the second pipeline 220.

During regeneration, a reverse voltage is applied to the single-channel desalination module 100, and at the same time, the waterway switching device 240 connected to the water outlet 120 of the single-channel desalination module 100 is tangential to the regeneration direction port, so that the regeneration wastewater is discharged to the third pipeline 230 through the regeneration direction port.

The single channel desalination assembly 100 may not discharge wastewater when purifying water flowing therethrough. Through adopting single channel desalination subassembly 100 to carry out the water purification, the water that gets into single channel desalination subassembly 100 can be followed delivery port 120 and discharged, obtains purification treatment simultaneously, does not produce waste water at this in-process, has improved the utilization ratio of water.

In some embodiments, the single-channel desalination cartridge 130 comprises a physisorption desalination cartridge and/or a chemisorption desalination cartridge.

Illustratively, the chemisorptive desalination cartridge can include at least one of an ion exchange (IX) resin cartridge, a bipolar membrane (Biopolar, BP) electrodeionization cartridge.

Exemplary, the physisorption desalination filter element may include at least one of a Capacitive Desalination (CDI) filter element, a Membrane Capacitive Desalination (MCDI) filter element.

Specifically, the capacitive desalination filter element, the membrane capacitive desalination filter element, the bipolar membrane electrodeionization filter element and the like can cause the directional migration of cations and anions when being electrified, so that the water purification treatment is realized, and the filter elements can be called as electrically-driven single-channel desalination filter elements.

Illustratively, waterway switching device 240 includes a tangential valve, including but not limited to a three-way valve, or a plurality of two-way solenoid valve sets.

Specifically, as shown in fig. 2 and fig. 3, a schematic diagram of a structure of the bipolar membrane electrodeionization filter element is shown. The bipolar membrane electrodeionization filter element comprises at least one pair of electrodes 131, and one bipolar membrane (BP) 132 or a plurality of bipolar membranes 132 arranged at intervals and arranged between the at least one pair of electrodes 131. Wherein each pair of electrodes 131 comprises a first electrode 1311 and a second electrode 1312, each bipolar membrane 132 comprises a cation exchange membrane 1321 and an anion exchange membrane 1322, the first electrode 1311 being disposed opposite the cation exchange membrane 1321, and the second electrode 1312 being disposed opposite the anion exchange membrane 1322.

The cation exchange membrane 1321 and the anion exchange membrane 1322 are disposed opposite to each other and combined together. For example, the bipolar membrane 132 can be produced by a hot press molding method, a bonding molding method, a casting molding method, an anion and cation exchange radical method, an electrodeposition molding method, or the like. Specifically, there is no space between the cation exchange membrane 1321 and the anion exchange membrane 1322 on one bipolar membrane 132, for example, water does not pass between the cation exchange membrane 1321 and the anion exchange membrane 1322 on the same bipolar membrane 132 when flowing through the bipolar membrane electrodeionization cartridge.

During the water purification treatment, the potential of the first electrode 1311 is higher than that of the second electrode 1312, that is, a voltage in a positive direction is applied between the first electrode 1311 and the second electrode 1312. At this time, anions such as chloride ions in the raw water to be purified move toward the first electrode 1311, and replace OH —, in the anion exchange membrane 1322 in the direction of the first electrode 1311, enter the flow channel between the adjacent bipolar membranes 132; meanwhile, cations such as Na + in the raw water move towards the second electrode 1312 to replace H + in the cation exchange membrane 1321 in the direction of the second electrode 1312, and the H + enters the flow channel; h + and OH-are subjected to neutralization reaction in the flow channel to generate water, so that the salt in the raw water is removed, and purified pure water flows out from the tail end of the flow channel.

When the voltage in the opposite direction is applied between the first electrode 1311 and the second electrode 1312, so that the potential of the first electrode 1311 is lower than that of the second electrode 1312, or when the bipolar membrane electrodeionization filter element is powered off and the potential of the first electrode 1311 is equal to that of the second electrode 1312, OH-and H + ions are generated on the surfaces of the cation exchange membrane 1321 and the anion exchange membrane 1322 of the bipolar membrane 132 under the action of the electric field, cations such as Na + inside the cation exchange membrane 1321 are replaced by the H + ions and move towards the first electrode 1311, anions such as chloride ions in the anion exchange membrane 1322 are replaced by the OH-ions and move towards the second electrode 1312, and the anions such as Na + cations and chloride ions enter the flow channel and can be washed out by water flowing through the bipolar membrane electrodeionization filter element. That is, when the bipolar membrane electrodeionization filter element is powered off or reverse voltage is applied, cations such as Na < + >, anions such as chloride ions and the like adsorbed on the bipolar membrane 132 can be released, so that salt substances in the bipolar membrane electrodeionization filter element can be washed out by inflowing water, and regeneration is realized; water carrying cations such as Na + and anions such as chloride ions can be called concentrated water.

In some embodiments, the single-channel desalination assembly 100 is removably housed within the interior of the water purification apparatus so that the single-channel desalination assembly 100 can be removed from the water purification apparatus for flushing when desired, thereby allowing regeneration of the single-channel desalination cartridge 130.

In some embodiments, the water purification apparatus further comprises a raw water tank capable of storing water, and one end of the first pipeline 210 is connected to the raw water tank, and the other end is connected to the water inlet 110 of the single-channel desalination assembly 100.

Illustratively, the raw water tank comprises a transparent shell or a transparent window is arranged on the shell, so that a user can conveniently check the water quality, the water level and the like in the raw water tank.

For example, the raw water tank may further include a water injection port through which water to be purified may be added into the raw water tank. For example, the water filling port is connected with a tap water pipe. In an exemplary embodiment, the raw water tank is further provided with a liquid level meter, and when the liquid level in the raw water tank drops to a set value, the raw water tank can control a valve of the tap water pipe to open to feed water to a water feeding port of the raw water tank.

For example, the water stored in the raw water tank may flow into the single-channel desalination assembly 100 through the first pipe 210, and when the single-channel desalination assembly 100 applies a positive voltage, the inflow water is purified, and the purified water is output through the water outlet 120.

It will be appreciated that first conduit 210 may also be connected directly to a tap water line at one end and to water inlet 110 of single-channel desalination assembly 100 at the other end.

In some embodiments, as shown in fig. 4, each of the single-channel desalination assemblies 100 and the water path switching device 240 comprises a plurality of single-channel desalination assemblies 100 connected in series, that is, between two adjacent single-channel desalination assemblies 100, the water outlet 120 of the previous single-channel desalination assembly 100 is connected with the water inlet 110 of the next single-channel desalination assembly 100, and the water outlet 120 of each single-channel desalination assembly 100 is connected with the water path switching device 240.

Illustratively, in purifying water, the water is sequentially purified by using a plurality of single-channel desalination assemblies 100 connected in series, thereby further improving the water quality.

Illustratively, after the single-channel desalination assembly 100 has been in operation for a certain period of time, more salts are adsorbed during the water purification process, and the single-channel desalination assembly 100 needs to be regenerated.

Specifically, as shown in fig. 4, the water path switching device 240 is a tangential valve (three-way valve), and the plurality of single-channel desalination elements 100 are sequentially regenerated, and apply a reverse voltage to the single-channel desalination element 100 being regenerated, and simultaneously, the tangential valve connected to the water outlet 120 of the single-channel desalination element 100 being regenerated is tangential to the regeneration direction port, so that the regeneration wastewater is discharged to the third pipeline 230 through the regeneration direction port. Wherein the water inlet 110 of the regenerating single-channel desalination assembly 100 is from the water produced by the purification process of the single-channel desalination assembly 100 connected in series.

For example, in FIG. 4, the product water first purified by the first single-channel desalination assembly 100 and the second single-channel desalination assembly 100 is fed to the third single-channel desalination assembly 100 to regenerate the third single-channel desalination assembly 100. The product water that is further purified by the first single-channel desalination module 100 then flows to the second single-channel desalination module 100 to regenerate the second single-channel desalination module 100. Finally, the first single-channel desalination module 100 is regenerated by flowing unpurified water into the first single-channel desalination module 100. By sequentially regenerating the plurality of single-channel desalination assemblies 100, rather than simultaneously, regeneration over-power is avoided and the risk of fouling during regeneration is also reduced.

Illustratively, as shown in fig. 5, the water purification apparatus may further include a power supply assembly 300, and the power supply assembly 300 is connected to the single-channel desalination assembly 100 to supply power to the single-channel desalination filter element 130.

In some embodiments, the voltage supplied by the power supply assembly 300 to the single-channel desalination filter element 130 can be adjusted, and the desalination rate of the single-channel desalination filter element 130 changes as the voltage supplied by the power supply assembly 300 is adjusted.

For example, according to the water quality of the water purifying device, the operation voltage of the single-channel desalination filter element 130 adapted to the water quality may be set, so that the water purified by the single-channel desalination filter element 130 may meet the requirement. For example, when the quality of water supplied from a tap water pipe is hard, the power supply voltage of the power supply module 300 may be set high; when the water quality of the tap water pipe supply water is soft, the power supply voltage of the power supply module 300 may be set low.

In some embodiments, as shown in fig. 5, the water purifying device further includes a control assembly 400, and the control assembly 400 is connected to the power supply assembly 300 and the waterway switching device 240. The control component 400 may include, for example, a single chip microcomputer or the like.

The control module 400 may control the power supply module 300 to cut off power to the single-channel desalination module 100 or apply a reverse voltage to the single-channel desalination module 100 when the current time is a predetermined time, such as a time period from 10 pm to half 10 pm, so that the salt ions attached to the single-channel desalination module 100 enter the water and exit the single-channel desalination module 100 along with the water.

In some embodiments, the control assembly 400 may include input devices, which may include, for example, buttons, knobs, touch screens, microphones, and the like.

Illustratively, when the control module 400 detects a water output control operation via an input device, such as a user pressing a water output button, or uttering a voice including a water output command, the control power supply module 300 applies a forward voltage to the single-channel desalination module 100, so that purified water purified by the single-channel desalination module 100 can be output.

In some embodiments, as shown in fig. 1 and 4, the water inlet 110 of the single-channel desalination assembly 100 is connected to a pressure reducing valve 250, and the pressure of the water flowing into the water inlet 110 is adjusted by the pressure reducing valve 250. For example, the water pressure is reduced from the initial water pressure P0 to the target water pressure Pn by the pressure reducing valve 250.

Illustratively, the pressure reducing valve 250 includes a plurality of pressure reducing valves 250 connected in series. For example, two pressure reducing valves 250 are connected in series, the pressure reducing valve 250 connected in series is 2.5kg, the pressure reducing valve 250 connected in series is 1.5kg, the initial water pressure P0 is reduced to P1 by the pressure reducing valve 250 connected in series, and the target water pressure Pn is reduced by P1 by the pressure reducing valve 250 connected in series.

In some embodiments, as shown in fig. 1 and 4, the water inlet 110 of the single channel desalination assembly 100 is connected to a filtration assembly 260 and/or the water outlet 120 of the single channel desalination assembly 100 is connected to a filtration assembly 260.

Illustratively, the filter assembly 260 may include a PP cotton filter element and/or an activated carbon filter element. The filter assembly 260 connected to the water inlet 110 can purify the water entering the single-channel desalination assembly 100, for example, to remove the water that may contain particulate impurities, residual chlorine, etc., thereby reducing the workload and consumption of the single-channel desalination assembly 100 and prolonging the regeneration cycle and service life thereof. The filtering component 260 connected to the water outlet 120 can further improve the quality of the pure water output by the water purifying device.

In some embodiments, as shown in fig. 1 and 4, the water inlet 110 of the single channel desalination assembly 100 is connected to a conductivity detection assembly 270 and/or the water outlet 120 of the single channel desalination assembly 100 is connected to a conductivity detection assembly 270. The quality of the water at the corresponding location can be detected by the conductivity detection module 270. For example, the TDS value is a water quality test indicator specifically set for purified water, and represents the total soluble solids content of water. The TDS value can reflect the water quality to a certain degree, and generally, the lower the TDS value is, the less soluble salts such as heavy metal ions in the water are, and the purer the water quality is.

The conductivity detection component 270 is connected to the water outlet 120, and the conductivity of the outlet water is detected at the water outlet side of the single-channel desalination component 100, so that whether the water purification effect of the single-channel desalination component 100 can meet the requirement can be judged.

In particular, when the conductivity data detected by the conductivity detection component 270 is not less than the target conductivity, it can be determined that the single-channel desalination assembly 100 requires regeneration.

For example, when the conductivity data detected by the conductivity detection assembly 270 is not less than the target conductivity for more than a predetermined duration, such as 10 hours, it can be determined that the single-channel desalination assembly 100 requires regeneration.

In some embodiments, the control module 400 is connected to the conductivity detection module 270, the power supply module 300 and the water path switching device 240, and the power supply module 300 is connected to the single-channel desalination module 100. The control component 400 may include, for example, a single chip microcomputer or the like.

Illustratively, the control module 400 controls the power supply module 300 to cut off power to the single-channel desalination module 100 or to apply a reverse voltage to the single-channel desalination module 100 when the conductivity data detected by the conductivity detection module 270 is not less than the target conductivity, and controls the water path switching device 240 to tangentially connect to the regeneration direction port, so that the regeneration wastewater is discharged to the third pipeline 230 through the regeneration direction port.

In some embodiments, a conductivity detection assembly 270 is coupled to the water inlet 110, and the conductivity detection assembly 270 is capable of detecting the quality of water requiring purification treatment by the single-channel desalination assembly 100.

Illustratively, the conductivity detection module 270 is coupled to the control module 400. The control assembly 400 may control the power supply assembly 300 to adjust the power supply voltage to the single channel desalination assembly 100 based on the conductivity data detected by the conductivity detection assembly 270. For example, the greater the conductivity data detected by the conductivity detection assembly 270, the greater the voltage of the forward voltage applied by the power supply assembly 300 to the single channel desalination assembly 100 to enhance the effectiveness of the purification process.

In some embodiments, as shown in fig. 1 and 4, the water inlet 110 may also be connected with a temperature detection assembly 280, and the temperature detection assembly 280 is used for detecting the temperature of the water flowing into the single-channel desalination assembly 100.

In some embodiments, as shown in fig. 1 and 4, the water outlet 120 may further be connected with a flow detection assembly 290, and the flow detection assembly 290 is used for detecting the flow rate of water circulating in the second pipeline 220.

Illustratively, as shown in FIG. 5, the flow sensing assembly 290 is coupled to the control assembly 400, and the control assembly 400 is capable of determining a consumption value of the single channel desalination assembly 100 based on the conductivity data detected by the conductivity sensing assembly 270 coupled to the water inlet 110 and the water outlet 120, and the flow data detected by the flow sensing assembly 290. For example, the desalination throughput of the single channel desalination assembly 100 can be determined from the conductivity data of the water flowing into the single channel desalination assembly 100 and the conductivity data of the water flowing out of the single channel desalination assembly 100, and as the flow rate of the water processed by the single channel desalination assembly 100 accumulates, the total amount of salt species adsorbed in the single channel desalination assembly 100 can be determined, which can represent the consumption value of the single channel desalination assembly 100.

Illustratively, the control module 400 can control the power supply module 300 to cut off power to the single-channel desalination module 100 or to apply a reverse voltage to the single-channel desalination module 100 while controlling the waterway switching device 240 to tangentially connect to the regeneration direction port when the consumption value is not less than the consumption threshold.

For example, when the salt-adsorbing capacity of the single-channel desalination assembly 100 is Q, the depletion threshold may be determined to be 0.75Q; when the cumulative consumption value of the single channel desalination assembly 100 reaches the consumption threshold, the regeneration mode is switched to regenerate the single channel desalination assembly 100 to restore the salt absorption capacity of the single channel desalination assembly 100.

When the regeneration mode is switched, the control module 400 controls the power supply module 300 to apply a reverse voltage to the single-channel desalination module 100 so that the salt ions attached to the single-channel desalination module 100 enter the water and exit the single-channel desalination module 100 along with the water, and the control module 400 controls the water path switching device 240 to tangentially reach the regeneration direction port so that the flushed waste water is discharged through the third pipeline 230.

In some embodiments, when power to the single channel desalination assembly 100 is disconnected or a reverse voltage is applied to the single channel desalination assembly 100, the control assembly 400 determines the regeneration effect of the single channel desalination assembly 100 based on the conductivity data detected by the conductivity detection assembly 270 connected to the water outlet 120.

Illustratively, water after flushing the single channel desalination assembly 100 can be drained via the second conduit 220, during which the conductivity detection assembly 270 on the second conduit 220 can detect conductivity data of the water after flushing the single channel desalination assembly 100. When the conductivity data detected by the conductivity detection module 270 is less than the predetermined conductivity, it can be determined that the saline flush in the single channel desalination module 100 is complete, and the regeneration mode can be terminated, such as resuming forward voltage application to the single channel desalination module 100 and controlling the three-way solenoid valve 240 to close.

The purifier that this description above-mentioned embodiment provided, including single channel desalination subassembly and pipe-line system, single channel desalination subassembly includes single channel desalination filter core, water inlet and delivery port, pipe-line system includes water route auto-change over device, wherein water route auto-change over device is connected with the delivery port of single channel desalination subassembly, single channel desalination filter core includes at least one of bipolar membrane electrodeionization filter core, ion exchange resin filter core, electric capacity desalination filter core, membrane electric capacity desalination filter core, water route auto-change over device includes tangential valve or a plurality of two-way solenoid valve group. When the single-channel desalting component is used for purifying the flowing water, no waste water is discharged, so that the utilization rate of the water is improved; and the single-channel desalination component can be flushed and regenerated when needed.

In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are used in the orientation and positional relationship indicated on the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention.

Furthermore, the terms "first", "first" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "first" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the first feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, a first feature being "on," "over," and "above" a first feature includes the first feature being directly above and obliquely above the first feature, or simply means that the first feature is higher in level than the first feature. A first feature being "under," "below," and "beneath" a first feature includes the first feature being directly under and obliquely below the first feature, or simply meaning that the first feature is at a lesser elevation than the first feature.

While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (12)

1. A water purification device, characterized in that, water purification device includes:

the single-channel desalting component comprises a single-channel desalting filter element, a water inlet and a water outlet;

the pipeline system comprises a waterway switching device, and the waterway switching device is connected with a water outlet of the single-channel desalting component;

the single-channel desalting filter element comprises at least one of a bipolar membrane electrodeionization filter element, an ion exchange resin filter element, a capacitance desalting filter element and a membrane capacitance desalting filter element;

the waterway switching device comprises a tangential valve or a plurality of two-way electromagnetic valve groups.

2. The water purification apparatus of claim 1, wherein the single-channel desalination assembly and the waterway switching device are both composed of a plurality of single-channel desalination assemblies connected in series, and the waterway switching device is connected to the water outlet of each single-channel desalination assembly.

3. The water purification apparatus of claim 2, wherein a plurality of the single-channel desalination elements are regenerated sequentially by applying a reverse voltage to the regenerating single-channel desalination element and simultaneously by directing a tangential valve connected to the water outlet of the regenerating single-channel desalination element tangentially to the regeneration direction port so that the regeneration wastewater is discharged through the regeneration direction port;

wherein the water flowing into the water inlet of the single-channel desalting component which is being regenerated comes from the water produced by the purification treatment of the single-channel desalting component connected in series.

4. The water purification apparatus of claim 1, wherein the bipolar membrane electrodeionization cartridge comprises at least one pair of electrodes, each pair of electrodes comprising a first electrode disposed opposite the cation exchange membrane and a second electrode disposed opposite the anion exchange membrane, and at least one bipolar membrane disposed between the at least one pair of electrodes, each bipolar membrane comprising a cation exchange membrane and an anion exchange membrane; when the electric potential of the first electrode is higher than that of the second electrode, purifying the water flowing into the water inlet through the cation exchange membrane and the anion exchange membrane; when the potential of the first electrode is not higher than the potential of the second electrode, the salt substances in the single-channel desalination assembly are discharged by the water flushing from the water inlet.

5. The water purification unit of claim 4, further comprising a power supply assembly coupled to the single-channel desalination assembly.

6. The water purification apparatus of claim 5, further comprising a control module, wherein the control module controls the power supply module to cut off power supply to the single-channel desalination module or to apply a reverse voltage to the single-channel desalination module when the current time is a preset time, so that the potential of the first electrode is not higher than the potential of the second electrode.

7. The water purification apparatus of claim 6, wherein the control module comprises an input device, and when the control module detects the operation of the effluent control through the input device, the control module controls the power supply module to apply a positive voltage to the single-channel desalination module, so that the potential of the first electrode is higher than the potential of the second electrode.

8. The water purification apparatus of claim 1, wherein a pressure reducing valve is connected to the water inlet of the single-channel desalination assembly, and the pressure reducing valve is used for regulating the water pressure corresponding to the water flowing into the water inlet.

9. The water purification apparatus of claim 8, wherein the pressure reducing valve comprises a plurality of pressure reducing valves connected in series.

10. The water purification apparatus of any one of claims 1-9, wherein a filter assembly is connected to the water inlet of the single-channel desalination assembly and/or a filter assembly is connected to the water outlet of the single-channel desalination assembly.

11. The water purification apparatus of any one of claims 1-9, wherein the water inlet of the single-channel desalination assembly is connected to a conductivity detection assembly and/or the water outlet of the single-channel desalination assembly is connected to a conductivity detection assembly.

12. The water purification apparatus of any one of claims 1-9, wherein a flow detection assembly is connected to the water outlet of the single-channel desalination assembly.

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