WO2013042310A1

WO2013042310A1 - Water treatment device

Info

Publication number: WO2013042310A1
Application number: PCT/JP2012/005251
Authority: WO
Inventors: 誠小玉
Original assignee: パナソニック株式会社
Priority date: 2011-09-21
Filing date: 2012-08-22
Publication date: 2013-03-28
Also published as: JP2013066831A

Abstract

A water treatment device (1) is provided with: a treatment water generation unit (40) for generating treatment water; a storage unit (8) for storing the treatment water generated by the treatment water generation unit (40); an introduction path (P2) for discharging the treatment water from the discharge port (50) and thereby introducing the same to the inside of the storage unit (8); a circulation path (P7) for causing the treatment water inside the storage unit (8) to circulate and re-introducing the same to the inside of the storage unit (8); and a discharge path (P4) for discharging the treatment water inside the storage unit (8) to the exterior. The circulation path (P7) includes a circulating discharge port (60) for discharging the treatment water inside the circulation path (P7) to the inside of the storage unit (8), and the relative position of the circulating discharge port (60) with respect to the storage unit (8) is variable.

Description

Water treatment equipment

The present invention relates to a water treatment apparatus.

Conventionally, as a water treatment device, a device including a storage unit that stores drinking water and a circulation path that circulates drinking water in the storage unit is known (for example, see Patent Document 1).

In this Patent Document 1, both ends of the circulation path are connected and fixed to the storage part. Then, a sterilizing means is provided in the circulation path, and when the drinking water in the storage part is circulated, sterilization is performed so that the drinking water is stored hygienically in the storage part.

JP 2006-272029 A

However, in the conventional technique, since both ends of the circulation path are connected and fixed to the storage part, the drinking water cannot be convected throughout the storage part, and the drinking water in the storage part may be stagnation. there were. As a result, there is a possibility that the drinking water cannot be stored hygienically in the storage unit.

This is particularly noticeable when storing treated water in which miscellaneous bacteria are likely to propagate.

Therefore, an object of the present invention is to obtain a water treatment apparatus capable of storing treated water in a storage section in a more sanitary manner.

The first feature of the present invention is that the treated water generating unit that generates treated water, the storage unit that stores the treated water generated by the treated water generating unit, and the discharged treated water from the discharge port, A water treatment apparatus comprising: an introduction path that is introduced into the storage section; a circulation path that circulates treated water in the storage section and reintroduces the treated water in the storage section; and a discharge path that discharges treated water in the storage section to the outside. And the said circulation path has the discharge outlet for circulation which discharges the treated water in the said circulation path in the said storage part, The relative position with respect to the said storage part of the said discharge outlet for circulation is variable Is the gist.

The gist of the second feature of the present invention is that the storage section is detachably provided.

The third feature of the present invention is summarized in that the discharge port of the introduction path also serves as the discharge port for circulation.

A fourth feature of the present invention is summarized in that the water treatment apparatus includes a drainage unit that drains the treated water in the storage unit.

According to a fifth feature of the present invention, the water treatment device drives the pump when the treated water in the reservoir is discharged to the outside and the treated water in the reservoir is discharged to the outside by a predetermined amount. And a control unit that stops the operation.

The sixth feature of the present invention is summarized in that the control unit stops driving the pump when the pump is idling.

The seventh feature of the present invention is summarized in that the control unit controls the pump to perform a fixed amount of water discharge that discharges a predetermined amount of treated water in the storage unit to the outside.

The eighth feature of the present invention is summarized in that the control unit performs control so that the pump performs constant-flow water discharge that discharges treated water in the storage unit to the outside at a predetermined flow rate.

According to the present invention, the circulation path has a circulation discharge port that discharges treated water in the circulation path into the storage unit, and the relative position of the circulation discharge port to the storage unit is variable. . For this reason, it becomes possible to set the relative position with respect to the storage part of the circulation discharge port so that the treated water can be efficiently convected throughout the storage part during circulation. As a result, it is possible to suppress the occurrence of stagnation in the treated water in the reservoir, and the treated water can be stored in the reservoir more hygienically.

BRIEF DESCRIPTION OF THE DRAWINGS It is a whole block diagram which shows typically the water treatment apparatus concerning 1st Embodiment of this invention. It is a whole block diagram which shows typically the water treatment apparatus concerning 2nd Embodiment of this invention. It is a whole block diagram which shows typically the water treatment apparatus concerning 3rd Embodiment of this invention. It is a whole block diagram which shows typically the water treatment apparatus concerning 4th Embodiment of this invention. It is a whole block diagram which shows typically the water treatment apparatus concerning 5th Embodiment of this invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that similar components are included in the following embodiments. Therefore, in the following, common reference numerals are given to those similar components, and redundant description is omitted.

(First embodiment)
As shown in FIG. 1, the water treatment device 1 according to the present embodiment includes a treated water generating unit 40 that generates treated water, and a storage unit 8 that stores treated water generated by the treated water generating unit 40. I have. And the water treatment apparatus 1 discharges the treated water from the discharge port 50 and introduces the introduction path P2 into the storage section 8, and the sterilization / electrolysis processing path P3 that performs sterilization and electrolysis of the treated water in the storage section 8. And a discharge path P4 for discharging the treated water in the reservoir 8 to the outside. Furthermore, the water treatment apparatus 1 includes a circulation path P7 that circulates the treated water in the storage unit 8 and reintroduces it into the storage unit 8.

In the present embodiment, the water treatment device 1 includes a housing 2, and the housing 2 is operated to drive / stop the water treatment device 1, to discharge / stop treated water, or to be in a drinkable state. A display / operation unit 19 is provided for notifying that it has become. Further, a part of the treated water generation unit 40, the storage unit 8, the introduction path P2, the sterilization / electrolysis process path P3, the circulation path P7, and the like are accommodated in the housing 2. And the discharge path P4 is accommodated in the housing | casing 2 so that a part may be exposed to the exterior of the housing | casing 2, and a process water can be discharged outside from the discharge outlet 70 of the discharge path P4. .

Moreover, in this embodiment, it has the water supply path P1 into which raw | natural water, such as a tap water, is introduced from raw | natural water distribution pipes P0, such as a water pipe.

In this water supply channel P1, a pre-filter 3, an on-off valve 4, a booster pump 5, a nano filter 6, and an activated carbon filter 7 are installed in this order from the upstream side. In the present embodiment, the pre-filter 3, the on-off valve 4, the booster pump 5, the nano filter 6, and the activated carbon filter 7 constitute a treated water generating unit 40 that generates treated water.

And, on the downstream side of the activated carbon filter 7, an introduction path P 2 for introducing the treated water into the storage unit 8 by discharging it from the discharge port 50 is provided. The raw water is not limited to tap water, and may be well water or pool water.

The prefilter 3 can be a non-woven fabric filter or an activated carbon filter, for example. If a nonwoven fabric filter is used, foreign substances such as particles and dust mixed in tap water introduced into the water supply channel P1 can be captured and removed.

In addition, when an activated carbon filter is used, free residual chlorine, components dissolved in water, especially off-flavors and odors, or halogenated carbon such as trihalomethane can be removed.

It should be noted that a heavy metal removing agent for removing heavy metals may be mixed inside the activated carbon filter so that harmful heavy metals such as lead can be adsorbed and removed by the heavy metal removing agent. Moreover, by decomposing and removing residual chlorine in water with an activated carbon filter, bacteria are likely to propagate on the downstream side. To prevent this, silver is added to the prefilter 3 and the activated carbon filter 7 when the activated carbon filter is used. You may make it mix the antibacterial agent containing the metal which has antibacterial properties.

Further, the configuration of the prefilter 3 is not limited to these configurations. For example, as the prefilter, a wind type or a sintered type in which fibers such as cotton are wound around a water collecting pipe may be used, or a fiber type in which thin fibers are laminated may be used. Further, as the prefilter, a granular activated carbon stored in a case or a sintered type may be used, or a fibrous charcoal type may be used. Moreover, you may make it combine the function of a nonwoven fabric filter using the pore diameter of the said filter using a block activated carbon filter or a fibrous activated carbon filter. Furthermore, as a prefilter, a coarse filter, a sediment filter, an activated carbon filter, an MF membrane, a UF membrane, or the like can be used, and the number and combination of the filters may be changed as necessary while considering the quality of raw water. Is preferable.

In this embodiment, the prefilter 3 having a higher replacement frequency than other members is provided outside the housing 2. However, the prefilter 3 may be accommodated in the housing 2.

The on-off valve 4 controls the start and stop of introduction into the raw water treatment apparatus 1.

The raw water introduced from the raw water distribution pipe P0 into the water supply channel P1 passes through the prefilter 3 and is filtered.

Thus, in the present embodiment, the purified water that has been pretreated by the prefilter 3 is introduced into the nanofilter (reverse osmosis filtration unit) 6.

Further, a booster pump 5 is installed on the downstream side of the prefilter 3, and the purified water pretreated by the prefilter 3 passes through the on-off valve 4 and reaches the booster pump 5. The on-off valve 4 may be installed at any position in the middle of the water supply path P1, but is preferably installed downstream of the prefilter 3. This is because foreign substances can be prevented from entering the on-off valve 4.

The nanofilter (reverse osmosis filtration unit) 6 has an NF membrane (reverse osmosis membrane) 6a, and the pretreated water is introduced into the nanofilter 6 and the NF membrane (reverse osmosis membrane) 6a. It is separated into concentrated water that does not permeate and treated water (permeated water) that has permeated through the NF membrane (reverse osmosis membrane) 6a.

The nanofilter 6 applies reverse osmosis pressure by the booster pump 5 and generates treated water (permeated water) by allowing a part of the purified water sent to the nanofilter 6 to pass through the NF membrane (reverse osmosis membrane) 6a. It is what I did. When the NF film 6a is used, organic substances (for example, trihalomethane, mold odor, and agricultural chemicals), heavy metal ions (for example, lead, chromium, cadmium, mercury, arsenic, etc.), and low molecular weight ion components such as sodium and calcium. Etc. can be removed.

Further, the remaining water, salts and impurities (the impurities include organic substances and ions) are discharged from the concentrated water drainage channel P5 as concentrated water.

The restrictor 15 is provided in the middle of the concentrated water drainage channel P5, and the amount of treated water (permeated water) generated is determined by the restrictor 15.

Incidentally, the NF membrane 6a has a larger permeation hole than the RO membrane. Therefore, the nanofilter 6 using the NF film 6a can remove particles, organic substances, and heavy metals at a high removal rate of 90% or more, but low molecular weight ionic components are about 10 to about 10 to treated water (permeated water). It has a characteristic of remaining about 30 percent. In this case, for example, when water having a conductivity of 300 μS / cm is permeated, treated water having a conductivity of about 60 μS / cm is obtained as the treated water in which the low molecular ions remain. However, the membrane used as the reverse osmosis membrane is not limited to this NF membrane, and a reverse osmosis membrane such as an RO membrane can also be used.

And the water which permeate | transmitted the NF film | membrane 6a is supplied to the activated carbon filter 7 as the treated water (permeated water) from which these substances were removed.

The treated water (permeated water) introduced into the activated carbon filter 7 passes through the activated carbon filter 7 and is filtered. By filtering the treated water (permeated water) with the activated carbon filter 7, it is possible to remove the odor generated when the NF membrane (reverse osmosis membrane) 6a permeates, and the taste of the treated water (permeated water). Can be mellow.

The treated water (permeated water) filtered by the activated carbon filter 7 is supplied to the introduction path P2. The introduction path P 2 is provided so that the discharge port 50 is disposed above the storage unit 8, and is a passage for introducing treated water (permeated water) into the storage unit 8. In addition, the storage part 8 is a container with an open top.

Then, the treated water (permeated water) filtered by the activated carbon filter 7 is discharged from the discharge port 50 into the storage unit 8 and temporarily stored in the storage unit 8.

Thus, by temporarily storing the treated water (permeated water) in the storage unit 8, the time required for discharging the treated water to the outside can be shortened.

Here, in this embodiment, the discharge path P4 for discharging the treated water in the reservoir 8 to the outside is formed. Specifically, the discharge path P4 is connected to the downstream side of the sterilization / electrolysis process path P3 connected to the storage unit 8, and the discharge path P4 is so exposed that the discharge port 70 is exposed to the outside of the housing 2. Is provided. In this way, the treated water in the storage unit 8 can be discharged to the outside from the discharge port 70 in a sterilized or electrolyzed state. The sterilization / electrolysis treatment path P3 is connected to the lower portion of the storage section 8 on the side where the treated water in the storage section 8 is introduced into the sterilization / electrolysis treatment path P3.

Furthermore, in the present embodiment, a circulation path P7 for circulating the treated water in the storage unit 8 and reintroducing it into the storage unit 8 is provided. In the present embodiment, a branch portion D1 is provided at the downstream end of the sterilization / electrolysis treatment path P3, and the sterilization / electrolysis treatment path P3 is branched into the discharge path P4 and the circulation path P7 by the branch portion D1. .

Further, in the present embodiment, the circulation path P7 has a circulation discharge port 60 for discharging the treated water in the circulation path P7 into the storage unit 8. The circulation discharge port 60 is disposed at the upper part of the storage unit 8 and discharges treated water (permeated water) circulated from above the storage unit 8.

Furthermore, an electrolytic cell 10 is provided in the middle of the sterilization / electrolytic treatment path P3, that is, downstream of the storage section 8, and alkali ion water (treated water) or permeated water (treated water) is selected from the discharge path P4. Can be supplied automatically.

In this embodiment, the booster pump 9 and the electrolytic cell 10 are installed in order from the upstream side of the sterilization / electrolysis treatment path P3.

The electrolytic cell 10 is internally partitioned by a diaphragm 10a, one is a cathode chamber 10c having a cathode (electrode) 10b, and the other is an anode chamber 10e having an anode (electrode) 10d. Then, the terminal of the sterilization / electrolytic treatment path P3 is branched, and one branch path is connected to the inlet of the cathode chamber 10c, and the other branch path is connected to the inlet of the anode chamber 10e.

The treated water introduced into the cathode chamber 10c and the anode chamber 10e of the electrolytic cell 10 is electrolyzed by applying a voltage between the cathode 10b and the anode 10d, and alkali ion water is generated in the cathode chamber 10c. At the same time, acidic water is generated in the anode chamber 10e.

Further, the outlet of the cathode chamber 10c is communicated with the sterilization / electrolysis treatment path P3, and the outlet of the anode chamber 10e is communicated with the discharge path P6. The alkaline ionized water generated in the cathode chamber 10c passes through the sterilization / electrolytic treatment path P3 and the discharge path P4 and is discharged from the discharge port 70 to the outside. On the other hand, the acidic water generated in the anode chamber 10e is discharged to the outside from the discharge path P6.

Further, in the present embodiment, a booster pump 9 is disposed on the downstream side of the storage portion 8 of the sterilization / electrolytic treatment path P3, and this booster pump 9 is operated to supply treated water (permeated water) from the storage portion 8. It introduces into the electrolytic cell 10. In addition, a water level sensor 20 is provided at a predetermined position of the storage unit 8, and when the water is stored up to a predetermined position of the storage unit 8, it detects that the water is full and controls the on-off valve 4. To be able to.

Furthermore, the sterilization / electrolysis treatment path P3 is provided with a sterilization unit 11 having a UV tube 11a. A discharge path P4 is connected to the downstream side of the sterilization unit 11 (between the sterilization unit 11 and the circulation discharge port 60).

Therefore, the alkaline ionized water (treated water) obtained by electrolyzing the treated water in the reservoir 8 in the electrolytic cell 10 and the permeated water (treated water) that has passed through the non-operated electrolytic cell 10 are discharged from the discharge port. Before being discharged from 70, it is sterilized by passing through the sterilizing section 11. In addition, even when the treated water in the storage unit 8 is circulated through the sterilization / electrolytic treatment path P3 and the circulation path P7, the treated water (permeated water) sterilized by passing through the sterilization unit 11 is stored in the storage unit. 8 is introduced again. The sterilizing unit is not limited to using a UV tube, and other sterilizing means such as ozone may be used. Thus, by providing the sterilizing unit 11, more sanitary treated water (alkali ion water or permeated water) can be supplied.

In this embodiment, the storage unit 8 is detachably installed in the housing 2. Specifically, the storage unit 8 is installed to be slidable in the horizontal direction, and the storage unit 8 can be removed by sliding the storage unit 8 in the horizontal direction.

At this time, a mechanical movable valve 21 is provided at the connecting portion between the storage unit 8 and the sterilization / electrolysis treatment path P3 so that the treated water remaining in the storage unit 8 does not leak when the storage unit 8 is attached or detached. . As this mechanical movable valve 21, one having a known structure can be used. An electromagnetic valve can be used instead of the mechanical movable valve 21.

In this embodiment, the solenoid valve 12 is provided in the circulation path P7.

It should be noted that the circulation outlet 60 is preferably arranged above the top surface of the storage unit 8 so that it does not get in the way when the storage unit 8 is attached and detached. Moreover, when the storage part 8 is slid, it is also possible to make the circulation spout 60 move upward so that the circulation path P7 does not interfere with the attachment / detachment of the storage part 8.

Furthermore, an electromagnetic valve 13 is also provided in the middle of the discharge path P4, and an electromagnetic valve 14 is also provided in the discharge path P6.

In this embodiment, the water treatment apparatus 1 is provided with a control circuit (control unit) 18. The on-off valve 4, the booster pump 5, the booster pump 9, the UV tube 11 a, the solenoid valve 12, the solenoid valve 13, the solenoid valve 14 and the restrictor 15 are supplied with command signals (power) supplied from the control circuit (control unit) 18. ). In addition, operation signals from the water level sensor 20 and the display / operation unit 19 are sent to a control circuit (control unit) 18. Furthermore, the electrolytic cell 10 is also driven by a command signal from the control circuit (control unit) 18, and a controlled voltage is applied to the cathode 10b and the anode 10d of the electrolytic cell 10. .

In this embodiment, power supply to the control circuit (control unit) 18 is performed by converting a commercial AC voltage supplied from a power plug 16 connected to an external power source (not shown) into a DC voltage by the power source unit 17. It is done in the state.

Here, in this embodiment, the relative position of the circulation outlet 60 of the circulation path P7 with the storage unit 8 can be changed.

Specifically, it is possible to make the portion where the circulation outlet 60 of the circulation path P7 is provided movably so that the position at which the reservoir 8 is discharged can be changed. For example, by attaching a flexible member such as a rubber tube provided with the circulation outlet 60 integrally or separately to the circulation path P7, the part of the circulation path P7 where the circulation outlet 60 is provided can be moved. Can be formed.

Further, the part where the circulation outlet 60 of the circulation path P7 is provided may be formed so as to be rotatable in the horizontal direction with respect to other parts, so that the discharge position of the treated water can be changed.

Furthermore, the part where the circulation outlet 60 of the circulation path P7 is provided may be formed so as to be rotatable in the vertical direction with respect to the other part so that the discharge angle of the treated water can be changed.

The entire circulation path P7 may be connected to the sterilization / electrolysis treatment path P3 so as to be variable with respect to the sterilization / electrolysis treatment path P3.

Moreover, the water treatment apparatus 1 includes a drainage means for draining the treated water in the storage unit 8. In this embodiment, the water is drained through the mechanical movable valve 21, the booster pump 9, the anode chamber 10e of the electrolytic cell 10, and the discharge path P6.

At this time, the booster pump 9 may be driven to drain the treated water in the reservoir 8, or the treated water in the reservoir 8 may be drained using gravity.

Also, the treated water in the reservoir 8 can be drained by discharging the treated water in the reservoir 8 from the discharge port 70 without newly storing the treated water in the reservoir 8.

In this embodiment, the control circuit (control unit) 18 stops driving the booster pump 9 when the predetermined amount of treated water in the storage unit 8 is discharged to the outside.

Specifically, the control circuit (control unit) 18 performs control to stop driving of the booster pump 9 when the booster pump 9 is idling.

In the present embodiment, a detection unit that detects the current value of the booster pump 9 is provided, and when the detection unit detects a current value that flows through the booster pump 9 when the booster pump 9 is idle, a control circuit ( The control unit 18 stops driving the booster pump 9.

Furthermore, the control circuit (control unit) 18 performs control so that the booster pump 9 performs quantitative water discharge that discharges a predetermined amount of treated water in the storage unit 8 to the outside.

Further, the control circuit (control unit) 18 performs control so that the booster pump 9 performs constant-flow water discharge that discharges treated water in the storage unit 8 to the outside at a predetermined flow rate.

In this embodiment, the constant flow rate water discharge is performed by controlling the rotation speed of the booster pump 9 to be a constant value.

The constant flow rate water discharge is performed by detecting the driving time of the booster pump 9 while performing the constant flow rate water discharge.

The water treatment apparatus 1 having such a configuration operates as follows.

First, when the display unit / operation unit 19 provided in the housing 2 is operated, the control circuit (control unit) 18 opens the on-off valve 4 of the water supply channel P1. And raw | natural water is introduce | transduced in the water supply path P1 from the raw water distribution pipe P0, and it filters while passing the pre filter 3 in the water supply path P1, and purified water is produced | generated. Thus, the purified water generated by performing the pretreatment passes through the on-off valve 4 to reach the booster pump 5 and is boosted by the booster pump 5.

And the pressure-purified water is introduced into the nanofilter 6.

Then, treated water (permeated water) introduced into the nanofilter 6 and permeated through the NF film 6a and from which organic substances and ions dissolved in the water are removed by the NF film 6a is introduced into the activated carbon filter 7.

And the treated water (permeated water) from which the odor etc. which generate | occur | produced when passing the activated carbon filter 7 and permeate | transmitting NF membrane (reverse osmosis membrane) 6a is removed from the discharge port 50 of the introduction path P2 to the storage part 8 is obtained. Stored inside. At this time, when the water level sensor 20 detects that the water level is full, the generation of the treated water (permeated water) in the treated water generation unit 40 is stopped, and the supply of the treated water (permeated water) into the storage unit 8 is stopped. Stop.

In normal use, alkaline ionized water or permeated water is discharged from the discharge port 70 to the outside while the treated water is accumulated in the reservoir 8 (preferably in a full water state).

When discharging alkaline ion water from the discharge port 70 to the outside, the display unit / operation unit 19 is operated to select the alkali ion water generation mode.

Then, the booster pump 9 is driven, and the treated water (permeated water) in the reservoir 8 is supplied to the electrolytic cell 10 through the sterilization / electrolytic treatment path P3. Part of the treated water (permeated water) in the sterilization / electrolytic treatment path P3 is introduced into the cathode chamber 10c and the other is introduced into the anode chamber 10e. The amount (flow rate ratio) of treated water (permeated water) introduced into the cathode chamber 10c and the anode chamber 10e is determined by narrowing the discharge path P6.

The treated water supplied into the electrolytic cell 10 is electrolyzed by applying a DC voltage to the cathode 10b and the anode 10d, and alkali ion water is generated in the cathode chamber 10c and acidic water is generated in the anode chamber 10e. .

And the alkaline ionized water produced | generated in the cathode chamber 10c is sterilized by allowing the sterilization part 11 to pass through before discharging to the exterior from the discharge outlet 70. FIG. Then, the alkaline ionized water sterilized by the sterilizing unit 11 passes through the sterilization / electrolytic treatment path P3 and the discharge path P4 and is discharged to the outside from the discharge port 70. On the other hand, the acidic water generated in the anode chamber 10e is discharged to the outside through the discharge path P6.

At this time, the solenoid valve 12 is closed, so that alkaline ionized water is not introduced into the reservoir 8 through the circulation path P7. The on-off valve 4, the mechanical movable valve 21, the electromagnetic valve 13 and the electromagnetic valve 14 are open so that water can pass through the respective water channels. Further, in the present embodiment, the booster pump 5 is also operated so that newly generated treated water (permeated water) can be supplied into the storage unit 8 at the time of supplying alkaline ion water.

In addition, when producing a small amount of alkaline ionized water for beverages, the display unit / operation unit 19 is operated to stop water flow. Thus, when water flow is stopped, the on-off valve 4 is closed by the control circuit (control unit) 18 and the booster pump 5 and the booster pump 9 are stopped. However, in the present embodiment, the treated water that has been permeated through the nanofilter 6 is supplied into the storage unit 8, so that the amount of treated water generated per unit time is the amount generated per unit time of alkaline ionized water. It is less than the amount. Therefore, it is preferable to close the on-off valve 4 and stop the booster pump 5 after the booster pump 9 is stopped, after a predetermined time has elapsed, or after it is detected that the reservoir 8 is full. .

Also, when discharging a large amount of alkaline ionized water, such as for refrigerator storage, the display unit / operation unit 19 is operated to select the constant flow rate discharge mode.

When the constant flow rate discharge mode is selected, when a predetermined amount of alkaline ionized water such as 2 liters is discharged, the booster pump 9 is stopped by the control circuit (control unit) 18 to stop water supply. The predetermined amount is detected by discharging the booster pump 9 at a constant flow rate, and detecting it based on the discharge flow rate and the drive time of the booster pump 9 (the product of both).

Further, when the treated water is discharged from the discharge port 70 to the outside, the treated water generation mode (purified water) is selected by operating the display / operation unit 19.

When this treated water generation mode (purified water) is selected, substantially the same operation as the alkaline ion water generation mode is performed without operating the electrolytic cell 10. At this time, if the electromagnetic valve 14 is closed so that the treated water is not introduced into the anode chamber 10e, the treated water can be prevented from being drained wastefully.

Moreover, in this embodiment, the treated water circulation mode for circulating the treated water in the reservoir 8 can be selected.

For example, after drinking water is discharged from the discharge port 70 to the outside, control is performed so that the treated water circulation mode is selected after a predetermined time has elapsed, or the treated water circulation mode is selected by operating the display unit / operation unit 19. I can do it.

When this treated water circulation mode is selected, the booster pump 9 is driven with the on-off valve 4 closed and the booster pump 5 stopped. Further, the electromagnetic valve 13 and the electromagnetic valve 14 are closed, and the electromagnetic valve 12 and the mechanical movable valve 21 are opened. At this time, the electrolytic cell 10 is not operated.

Thus, the treated water in the storage unit 8 passes through the sterilization / electrolysis processing path P3, is sterilized in the sterilization unit 11 on the way, and is reintroduced into the storage unit 8 from the circulation outlet 60 of the circulation path P7.

At this time, in this embodiment, the relative position of the circulation outlet 60 of the circulation path P7 with the storage section 8 can be changed. Therefore, if the position of the circulation outlet 60 is set at a position where the treated water can be efficiently convected throughout the storage unit 8 during circulation, stagnation occurs in the treated water in the storage unit 8. Can be suppressed.

In the present embodiment, the reverse cleaning mode in which acidic water is circulated in the sterilization / electrolytic treatment path P3, the circulation path P7, and the storage section 8 can be selected.

This reverse cleaning mode can also be selected by the user or by the control circuit (control unit) 18.

When the reverse cleaning mode is selected, a reverse voltage is applied to the electrolytic cell 10 so that acidic water is generated in the cathode chamber 10c. And the produced | generated acidic water is made to circulate similarly to the treated water circulation mode. Note that sterilization in the sterilization unit 11 may or may not be performed.

Then, after the end of the reverse cleaning mode, the acidic water in the sterilization / electrolytic treatment path P3, the circulation path P7 and the storage section 8 is drained, and the treated water is generated and stored in the storage section 8 after drainage.

In addition, it is preferable to drain the acidic water through the mechanical movable valve 21, the booster pump 9, the anode chamber 10e of the electrolytic cell 10, and the discharge path P6.

Furthermore, in this embodiment, the drainage mode for draining the treated water in the reservoir 8 can be selected.

And when removing and wash | cleaning the storage part 8, it can take out in the state which drained the treated water in the storage part 8 by selecting drainage mode.

The drainage of the treated water in the storage unit 8 can also be performed using the drainage means described above.

At this time, it is preferable to notify the cleaning time of the reservoir 8.

As described above, according to the present embodiment, the circulation path P7 has the circulation discharge port 60 that discharges the treated water in the circulation path P7 into the storage unit 8, and the circulation discharge port. The relative position of 60 to the storage unit 8 is variable. For this reason, it becomes possible to set the relative position with respect to the storage part 8 of the discharge port 60 for circulation so that it may be a position where the treated water can be efficiently convected throughout the storage part 8 during circulation. As a result, it is possible to suppress the stagnation of the treated water in the storage unit 8 and to store the treated water in the storage unit 8 in a more sanitary manner.

Moreover, according to this embodiment, since the storage part 8 is provided so that attachment or detachment is possible, the removed storage part 8 can be wash | cleaned, and the storage part 8 can be made more hygienic. Become.

Further, according to the present embodiment, the water treatment device 1 includes the drainage means for draining the treated water in the storage unit 8. Therefore, it is not necessary to remove the storage unit 8 in the state where the treated water is accumulated, and the storage unit 8 can be easily taken out.

Moreover, according to this embodiment, the water treatment apparatus 1 discharged the treated water in the storage unit 8 to the outside and the booster pump (pump) 9 that discharges the treated water in the storage unit 8 to the outside by a predetermined amount. At this time, a control circuit (control unit) 18 for stopping the drive of the booster pump (pump) 9 is provided. That is, water discharge is stopped when a desired amount of treated water is discharged. Therefore, it is possible to perform other tasks away from the installation location of the water treatment device 1 during water discharge.

Further, according to the present embodiment, the control circuit (control unit) 18 stops driving of the booster pump (pump) 9 when the booster pump (pump) 9 is idle. That is, the water is automatically stopped when the treated water in the reservoir 8 becomes empty during water discharge or drainage. Therefore, the booster pump (pump) 9 is not driven when the treated water in the reservoir 8 is empty, and the life of the booster pump (pump) 9 can be extended and the water treatment apparatus 1 can be saved. .

Moreover, according to this embodiment, the control circuit (control part) 18 is controlled so that the booster pump (pump) 9 performs the fixed amount water discharge which discharges the treated water in the storage part 8 only predetermined amount outside. .

Therefore, even when the treated water is discharged for a long time, it is not necessary to stay at the place where the water treatment apparatus 1 is installed, and it is possible to perform other tasks away from the place where the water treatment apparatus 1 is installed.

Further, according to the present embodiment, the control circuit (control unit) 18 controls the booster pump (pump) 9 to perform constant flow water discharge that discharges the treated water in the storage unit 8 to the outside at a predetermined flow rate. Therefore, it is possible to easily perform quantitative water discharge.

(Second Embodiment)
A water treatment apparatus 1A according to the present embodiment has basically the same configuration as that of the first embodiment. That is, 1 A of water treatment apparatuses are provided with the treated water production | generation part 40 which produces | generates treated water, and the storage part 8 which stores the treated water produced | generated by the treated water production | generation part 40, as shown in FIG. . And 1 A of water treatment apparatuses are the introduction path P2 which introduces in the storage part 8 by discharging treated water from the discharge outlet 50, and the sterilization / electrolysis process path P3 which performs sterilization and electrolysis of the treated water in the storage part 8. And a discharge path P4 for discharging the treated water in the reservoir 8 to the outside. Furthermore, the water treatment apparatus 1 A includes a circulation path P 7 that circulates the treated water in the storage unit 8 and reintroduces it into the storage unit 8.

Here, the water treatment apparatus 1A according to the present embodiment is mainly different from the first embodiment in that the electrolytic bath 10 is not provided in the sterilization / electrolysis treatment path P3.

That is, the treated water in the storage unit 8 is sterilized by the sterilization unit 11 and then discharged from the discharge port 70 to the outside.

Moreover, in this embodiment, the branch part D2 is provided and branched on the way to the sterilization part 11 of the sterilization / electrolysis processing path P3, and the discharge path P6 is formed.

Further, the relative position of the circulation outlet 60 of the circulation path P7 with the storage portion 8 can be changed.

Furthermore, also in this embodiment, the treated water generation mode, the constant flow rate discharge mode, the treated water circulation mode, and the drainage mode described in the first embodiment can be selected.

Also according to the present embodiment described above, substantially the same operations and effects as the first embodiment can be achieved.

(Third embodiment)
The water treatment apparatus 1B according to the present embodiment has basically the same configuration as that of the first embodiment. That is, as shown in FIG. 3, the water treatment apparatus 1 B includes a treated water generating unit 40 that generates treated water and a storage unit 8 that stores treated water generated by the treated water generating unit 40. . And the water treatment apparatus 1B is the introduction path P2 which introduces in the storage part 8 by discharging treated water from the discharge port 50, and the sterilization / electrolysis process path P3 which performs sterilization and electrolysis of the treated water in the storage part 8. And a discharge path P4 for discharging the treated water in the reservoir 8 to the outside. Furthermore, the water treatment apparatus 1B includes a circulation path P7 that circulates the treated water in the storage unit 8 and reintroduces it into the storage unit 8.

Further, an electrolytic cell 10 is provided in the sterilization / electrolysis treatment path P3.

Here, the water treatment apparatus 1B according to the present embodiment is mainly different from the first embodiment in that the discharge port 50 of the introduction path P2 also serves as the discharge port 60 for circulation.

Specifically, the tip of the circulation path P7 is connected to the introduction path P2 at the junction D3, and the treated water in the circulation path P7 is reintroduced into the storage section 8 from the discharge port 50 of the introduction path P2. ing.

Therefore, in the present embodiment, the relative position of the discharge port 50 of the introduction path P2 with the storage unit 8 can be changed.

Also in the present embodiment, the alkali ion water generation mode, the treated water generation mode, the constant flow rate discharge mode, the treated water circulation mode, the backwash mode, and the drainage mode described in the first embodiment can be selected. It has become.

Further, in the present embodiment, the passage in which the valve 22 is provided in the storage unit 8 is communicated so as to be exposed to the outside of the housing 2, and the treated water in the storage unit 8 is directly (sterilized / electrolytic treatment path P3). (Without passing through the discharge path P4).

Also according to this embodiment described above, the same operations and effects as those of the first embodiment can be obtained.

In addition, according to the present embodiment, since the discharge port 50 of the introduction path P2 also serves as the discharge port 60 for circulation, the number of parts can be reduced and the cost can be reduced.

(Fourth embodiment)
The water treatment apparatus 1C according to the present embodiment has basically the same configuration as that of the third embodiment. That is, 1 C of water treatment apparatuses are provided with the treated water production | generation part 40 which produces | generates treated water, and the storage part 8 which stores the treated water produced | generated by the treated water production | generation part 40, as shown in FIG. . Then, the water treatment apparatus 1C has an introduction path P2 for introducing treated water into the reservoir 8 by discharging the treated water from the discharge port 50, and a sterilization / electrolytic treatment path P3 for sterilizing and electrolyzing the treated water in the reservoir 8. And a discharge path P4 for discharging the treated water in the reservoir 8 to the outside. Furthermore, the water treatment apparatus 1 C includes a circulation path P 7 that circulates the treated water in the storage unit 8 and reintroduces it into the storage unit 8.

Further, the discharge port 50 of the introduction path P2 also serves as the circulation discharge port 60, and the relative position of the discharge port 50 of the introduction path P2 with the storage portion 8 can be changed.

Further, the passage in which the valve 22 is provided in the storage unit 8 is communicated so as to be exposed to the outside of the housing 2, and the treated water in the storage unit 8 is directly passed (disinfection / electrolysis treatment path P3 and discharge path P4 through (Without going through).

Here, the water treatment apparatus 1C according to the present embodiment is mainly different from the third embodiment in that the electrolytic bath 10 is not provided in the sterilization / electrolysis treatment path P3.

Also according to the present embodiment described above, substantially the same operations and effects as the third embodiment can be achieved.

(Fifth embodiment)
The water treatment apparatus 1D according to the present embodiment has basically the same configuration as that of the third embodiment. That is, as shown in FIG. 5, the water treatment apparatus 1 D includes a treated water generating unit 40 that generates treated water and a storage unit 8 that stores treated water generated by the treated water generating unit 40. . And the water treatment apparatus 1D introduces the treated water into the reservoir 8 by discharging the treated water from the discharge port 50, and the sterilization / electrolytic treatment path P3 for sterilizing and electrolyzing the treated water in the reservoir 8. And a discharge path P4 for discharging the treated water in the reservoir 8 to the outside. Furthermore, the water treatment apparatus 1D includes a circulation path P7 that circulates the treated water in the storage unit 8 and reintroduces it into the storage unit 8.

The passage in which the valve 22 is provided in the storage unit 8 is communicated so as to be exposed to the outside of the housing 2, and the treated water in the storage unit 8 is directly passed through the sterilization / electrolysis treatment path P3 and the discharge path P4. (Without going through).

Here, the water treatment apparatus 1D according to the present embodiment is mainly different from the third embodiment in that the concentrated water drainage channel P5 and the discharge channel P6 are communicated, and the restrictor 15 is provided on the downstream side of the communication unit. It is in the point provided.

Specifically, the concentrated water drainage channel P5 and the discharge channel P6 are communicated with each other at the junction D4, and the restrictor 15 is provided on the downstream side of the junction D4.

A check valve 23 is provided on the downstream side of the electromagnetic valve 14 in the discharge path P6 so that the concentrated water in the concentrated water drainage path P5 does not flow back into the discharge path P6.

By adopting such a configuration, the acidic water drained after the end of the reverse cleaning mode passes through the restrictor 15, and the scale adhering to the restrictor 15 can be dissolved.

Also according to this embodiment described above, the same operations and effects as those of the third embodiment can be achieved.

Further, according to the present embodiment, the concentrated water drainage channel P5 and the discharge channel P6 are communicated, and the restrictor 15 is provided on the downstream side of the communication part.

Therefore, the acidic water drained after the end of the reverse cleaning mode passes through the restrictor 15, and the scale adhering to the restrictor 15 can be dissolved. As a result, the restrictor 15 can be prevented from being clogged with the scale.

Note that the present embodiment can also be applied to the configuration of the first embodiment.

The preferred embodiments of the present invention have been described above, but the present invention is not limited to the above-described embodiments, and various modifications can be made.

For example, in each of the above embodiments, an example in which a sterilization unit is provided is illustrated, but the present invention can also be applied to a water treatment apparatus in which no sterilization unit is provided.

Further, in each of the above-described embodiments, the storage part is provided so as to be detachable, but the storage part may be fixed.

Also, the treated water generating section, electrolytic cell, and other detailed specifications (shape, size, layout, etc.) can be changed as appropriate.

According to the present invention, it is possible to obtain a water treatment device that can store treated water in a more sanitary manner.

Claims

A treated water generating unit for generating treated water;
A reservoir for storing treated water generated by the treated water generator;
An introduction path for introducing the treated water into the reservoir by discharging from the discharge port;
A circulation path for circulating the treated water in the reservoir and reintroducing it into the reservoir;
A discharge path for discharging treated water in the reservoir to the outside;
A water treatment device comprising:
The circulation path has a circulation discharge port for discharging treated water in the circulation path into the storage unit, and a relative position of the circulation discharge port with respect to the storage unit is variable. Water treatment equipment.
The water treatment apparatus according to claim 1, wherein the storage section is detachably provided.
The water treatment apparatus according to claim 1 or 2, wherein the discharge port of the introduction path also serves as the discharge port for circulation.
The water treatment apparatus according to any one of claims 1 to 3, wherein the water treatment apparatus includes drainage means for draining the treated water in the reservoir.
The water treatment device includes: a pump that discharges treated water in the storage unit to the outside; and a control unit that stops driving the pump when the treated water in the storage unit is discharged to the outside by a predetermined amount. The water treatment apparatus according to any one of claims 1 to 4, wherein the water treatment apparatus is provided.
The water treatment apparatus according to claim 5, wherein the control unit stops driving the pump when the pump is idling.
The water treatment apparatus according to claim 5, wherein the control unit controls the pump to perform a fixed amount of water discharge that discharges a predetermined amount of treated water in the storage unit to the outside.
The control unit according to any one of claims 5 to 7, wherein the control unit controls the pump to perform constant-flow water discharge that discharges treated water in the storage unit to the outside at a predetermined flow rate. The water treatment apparatus as described.