JP3019410B2 - Water treatment system - Google Patents

Description

The present invention relates to a water treatment system capable of producing so-called delicious water having no off-flavor.

(B) Conventional technology In recent years, tap water taken from these rivers and the like has been sufficiently polluted due to rapid pollution of the rivers and the like.

Therefore, a large amount of chlorine is put into such tap water to sterilize it, or subjected to a wide variety of water treatments such as filtration using activated carbon, to produce water that is drinkable and has a reduced odor to some extent. .

However, in high-rise apartments and condominiums, there is a case where tap water is once supplied to an elevated water tank or the like installed on a rooftop, and then branched water is supplied to each living space or room. In this case, the bactericidal action of chlorine may be reduced in the elevated water tank, and bacteria may be proliferated.

Therefore, there is a sterilizing device for sterilizing tap water, and the device can treat bacteria in tap water and drink tap water safely.

(C) Problems to be Solved by the Invention However, such a conventional technique still has the following problems to be solved.

That is, as described above, even when the tap water is treated, gold or the like may be generated due to scale or iron ions eluted from the pipe or the like into the tap water.

The scale can be easily removed by a filtration treatment using activated carbon, but iron ions in tap water cannot be easily removed, and thus the taste of tap water has been deteriorated by the iron ions.

An object of the present invention is to provide a water treatment system that can solve the above-described problems.

(D) Means for Solving the Problems The present invention is characterized in that, at a downstream side of a sterilizer provided in a flowing water channel, a return pipe whose end portion is connected to the sterilizer is branched, and tap water is supplied to the return pipe. The present invention relates to a water treatment system provided with a cluster treatment device for activating molecules.

In addition, the present invention, on the downstream side of the sterilization device provided in the flowing water channel, the end portion branches a reflux pipe connected to the sterilization device,
The present invention relates to a water treatment system characterized in that a cluster treatment device that activates water molecules of tap water and a mineral addition device that elutes mineral components into tap water are attached to the reflux pipe.

Further, the present invention is characterized in that the above-mentioned cluster processing device is constituted by an electronic field.

(E) Action / Effect The water treatment system according to the present invention activates water molecules of tap water with a cluster device after being sterilized,
While making iron ions contained in tap water hydrated,
The degree of freedom of water molecules can be increased, and delicious water having a small population of water molecules can be obtained.

Furthermore, tap water can be made more delicious by eluting various mineral components into tap water using a mineral addition device provided in the reflux pipe.

Further, in the present invention, since the tap water is returned to the sterilizer by the return pipe at the downstream side of the water channel, if the water treatment is sufficient, water is discharged from the callan through the water channel, while the tap water is If the treatment is not sufficient, the tap water is refluxed, and at that time, the tap water can be made delicious by the cluster device and the mineral addition device.

(F) Example Hereinafter, the present invention will be specifically described based on an example shown in the accompanying drawings.

FIG. 1 shows a state in which a water treatment system A according to the present invention is arranged side by side on one side of a sink 9 as a part of a system kitchen SK.

FIG. 2 conceptually shows the overall configuration of the water treatment system A.

As shown in the figure, tap water W (see FIG. 3) is first supplied to a sterilizer B, and the sterilizer B sterilizes the tap water W.

The tap water W sterilized by the sterilizer B is supplied to the chiller C through the downstream pipe 20, and cooled to a desired temperature.

In addition, a part of the tap water W is returned to the sterilizer B through the return pipe 30 including the mineral addition device D and the cluster treatment device E.

Thereafter, the tap water W cooled to an appropriate temperature by the chiller C is supplied to the later-described curran 8 or the like through the electrolytic dechlorination / deozonizer F.

In addition, a bypass pipe 37 is provided in parallel with a portion of the downstream pipe 20 to which the cooling water device C is attached, and a hot water device G is attached to the bypass piping 37.

Further, part or all of the tap water W treated by the electrolytic dechlorination / deozonation apparatus F is returned to the sterilizer B by the return pipe 44.

Further, since the water treatment system A according to the present embodiment has the above-described configuration, each device can be housed in the cabinet of the sink 9 by compactly integrating the devices.

Further, the water treatment system A according to the present invention can be incorporated into a faucet that senses the presence of a human body by a photoelectric sensor, opens and closes an electromagnetic valve according to the sensed signal, and discharges water.

Hereinafter, the configuration and function of each component will be described in detail with reference to FIG. 3 to FIG.

As shown in FIG. 3, a lower end opening of a vertical water supply pipe 11 having an upper end connected to an elevated water tank such as a building is connected to an upper wall 10a of a sterilizer tank 10 constituting a main part of the sterilizer B. I have.

On the other hand, one end of an ozone supply pipe 13 is connected to an ozone jet nozzle 12 provided on a bottom wall 10b of the sterilization tank 10, and the other end of the ozone supply pipe 13 is connected to an ozone It is connected to the generator 15.

With this configuration, the ozone generator 15 and the air supply fan 14 are operated to move the elevated water tank to the sterilization tank.
Ozone supply piping in the tap water W supplied and stored in 10
Ozone can be ejected through 13 and the ozone ejection nozzle 12, and the tap water W can be effectively sterilized.

In particular, since the ozone generator 15 is used as a sterilizer, bacteria and viruses can be surely sterilized, and odor-causing substances can be effectively decomposed to remove off-flavors. Can be suppressed to prevent the generation of scale, and further, various organic compounds whose carcinogenicity is regarded as a problem, for example, a trihalomethane precursor can be decomposed and reduced.

In the present embodiment, a deozoning catalyst 16 for absorbing excess ozone is attached to the upper wall 10a in the sterilization tank 10 to prevent ozone from being released into the outside air.

Further, in the present embodiment, the upper limit float 17 and the lower limit float 18 are attached in the sterilization treatment tank 10 in order to always maintain the tap water W in the sterilization treatment tank 10 at a constant amount. Depending on the output signal, as shown in FIG.
By opening and closing the electromagnetic valve 19 attached in the middle of the vertical water supply pipe 11 via the controller CPU, the flow rate of the tap water W supplied from the elevated water tank to the sterilization tank 10 can be adjusted.

Further, in this embodiment, the lower end opening of the vertical water supply pipe 11 is opened.
11a is located above the level of the tap water W in the sterilization tank 10, and the sterilization tank 10 has an overflow port (not shown). Can be reliably prevented from flowing back into the elevated water tank.

Next, the configuration on the downstream side of the sterilizer B will be described. As shown in FIG. 2, a pressurized circulation pump P is first provided in a downstream pipe 20 derived from the sterilization tank 10 of the sterilizer B. Installed.

A reflux pipe 30 branches off from a location immediately downstream of the pressurization circulation pump P, and a terminal opening of the reflux pipe 30 is formed.
30a is exposed inside the sterilization tank 10 and
On the way, mineral addition device D and cluster processing device E
And has been installed.

As shown in FIG. 4, a mineral addition device D is provided with a ceramic plate 34 in which a mineral component is sintered and a platinum electrode 35 in a treatment tank 33 provided in the middle of the reflux pipe 30 and supplies power to both of them. It is configured by connecting to 36.

With such a configuration, it is possible to promote the elution of various mineral components from the ceramic plate 34, such as Ca ²⁺ , Na ⁺ , K ⁺ , into tap water W, and to make the tap water W more delicious. it can.

Further, as shown in FIG. 5a, the cluster processing apparatus E forms a processing flow path E2 in a metal processing pipe E1 serving as a cathode, and a tap water from a reflux pipe 30 is formed below the processing pipe E1. An inlet E3 for inflowing W is provided, and an outlet E4 for flowing out to the reflux pipe 30 is provided above the processing pipe E1.

The cluster processing apparatus E according to the present embodiment is configured by an electron field. In the processing tube E1, an electron induction electrode E5 of an anode made of titanium is provided, and the same is provided above the processing tube E1. Electron generator E6 connected to electron induction electrode E5
Is installed.

Then, by circulating the tap water W in the electronic field by the cluster processing device E, as shown in FIG. 5b,
By activating the water molecules, the iron ions contained in the tap water W can be brought into a hydrated state, and can be made into delicious water with small clusters.

The tap water W subjected to the mineral addition and the cluster treatment is then supplied to the chiller C.

That is, the downstream pipe 20 whose upstream side is connected to the mineral addition device D and the cluster processing device E has the chilled water device C and the solenoid valve 22 attached downstream thereof.

With such a configuration, sterilization treatment is performed in the sterilization treatment tank 10,
Further, tap water W processed into delicious tap water W by the mineral addition device D and the cluster treatment device E is fed to the chilled water device C by the pressurized circulation pump P, and cooled to an appropriate temperature to produce more delicious water. After that, it can be fed through the downstream pipe 20 to the curran 8 or the like shown in FIG.

In particular, the present embodiment is characterized in that the chilled water device C is configured using the Peltier element 23.

That is, as shown in FIG. 6 and FIG.
Has a Peltier element 23 attached to an outer wall surface 25 of a vertically long metal storage tank 24. The Peltier element 23 is a pair of a P-type semiconductor 26 and an N-type semiconductor 27 connected to the outer wall surface 25.
And a power supply 28 electrically connected to the two semiconductors 26 and 27, and a radiating fin 29.

With this configuration, heat can be taken from the metal storage tank 24 to the Peltier element 23 by utilizing the Peltier effect, and the storage tank 24 and the tap water W flowing in the tank 24 can be cooled.

As described above, in the present embodiment, since the chiller device C is formed by the Peltier element 23, there is no noise, vibration, or wear, the chiller device 21 can be downsized, and it can be easily installed in a necessary place even in a general household. Since there is no fear of leakage of the refrigerant or the like, maintenance becomes easy, and furthermore, by controlling the current value applied to both the semiconductors 26 and 27 by the control unit CPU, highly accurate cooling temperature control becomes possible.

In addition, as shown in FIG.
Two bypass pipes in parallel with the downstream pipe 20 having
37 and 38 are provided, and the hot water system G and the solenoid valve 4
It is also characterized by a configuration in which only the solenoid valve 41 is attached to the bypass pipe 38 while attaching 0.

With this configuration, the solenoid valve 2 is controlled via the control device CPU.
By selectively opening and closing 2,40,41 as appropriate, not only can the tap water W cooled to an appropriate temperature be manufactured,
It is possible to obtain tap water W heated to an appropriate temperature and tap water W not subjected to temperature treatment.

In this embodiment, as shown in FIG.
20 and is characterized by a configuration in which an electrolytic dechlorination / de-ozone device F and a solenoid valve 43 are provided at a location downstream of the chilled water device C.

The configuration of such an electrolytic dechlorination / deozone device F is conceptually shown in FIG.

As shown in the figure, such an electrolytic dechlorination / deozone device F
A large number of porous graphite plates 51 are stacked in the electrolytic cell 50, and by applying DC voltages of the anode and cathode power feeders 52, 53 installed at both ends of the electrolytic cell 50, , 51a becomes an anode and 51b becomes a cathode.
It can be generated within 50.

With such a configuration, the following reduction reaction (1) relating to chlorine occurs at the cathode, and chlorine can be rendered harmless.

ClO ⁻ + 2H ⁺ + 2e ⁻ → H ₂ O + Cl ⁻ (1) Further, in the anode 51a, the following reactions (2) and (3) occur, and the residual ozone can be effectively decomposed.

O ₃ → O ₂ + O ^* (2) O ^* + O ^* → O ₂ (3) Here, O ^* represents activated oxygen.

As described above, when chlorine and ozone remain in the tap water W discharged from the tap water W from the curran 8 or the like shown in FIG. The security of W can be finally secured.

Further, as shown in FIG. 9, since the bacterium V is charged to (−), the bacterium V comes into contact with the anode 51a of the porous graphite plate 51. At this time, the bacterium V contains a coenzyme that contributes to metabolism. The electrons are taken away and they die. That is, electrolytic sterilization can be performed.

Further, in the present embodiment, as shown in FIG.
The branch line 44 is branched from a location immediately downstream of
The terminal opening 44a of the reflux pipe 44 faces the inside of the sterilization tank 30, and an electromagnetic valve 45 is mounted in the middle of the reflux pipe 44.

With such a configuration, by closing the electromagnetic valve 43 and opening the electromagnetic valve 45, when the ozone concentration is still excessive even in the treatment by the electrolytic dechlorination / de-ozone device F, the entire amount of the tap water W is returned to the reflux pipe. The water can be returned to the sterilization tank 10 through 44, and the safety of the tap water W can be further ensured.

Next, a control circuit configuration of the water treatment system A according to the present embodiment will be described with reference to FIG. 3 and FIG.

As shown in FIG. 3, the positions forming the upstream pressure circulation pump P of the downstream pipe 20, tap water component analyzer S ₁ is being provided, by analyzing the components of the tap water W analysis Data can be sent to the control unit CPU.

The cold water device C and the hot water device G have temperature sensors S ₂ , S ₃ that measure the temperature of the tap water W flowing inside each of them.
Is attached, and the measured temperature value can be sent to the control device CPU.

Further, the electrolytic dechlorination / de-ozone device F for the downstream pipe 20 is used.
Of the points constituting the downstream side and is attached residual ozone measuring sensor S ₄ and the residual chlorine sensor S _5, the residual ozone concentration in the tap water W in sent from the electrolytic dechlorination and de ozone device F and residual chlorine Detects the concentration and sends the detected value to the control unit CPU
Can be sent to

Further, as shown in FIG. 10, sensors S ₁ to S ₅ mentioned above
And the upper and lower floats 1 disposed in the sterilization tank 10
7, 18 are connected to the input side interface a of the control unit CPU, and the output side interface b of the control unit CPU includes an air supply fan 14, an ozone generator 15, a pressurized circulation pump P, a mineral addition unit D. , Cluster processing unit E, Chilled water unit
C, a hot water device G, an electrolytic dechlorination / de-ozone device F, and various solenoid valves 19, 22, 41, 40, 43, and 45 are connected.

By driving various devices connected to the output interface b based on the sensor output input through the input interface a, delicious water can be automatically generated.

 In FIG. 10, c indicates a memory.

[Brief description of the drawings]

FIG. 1 is a perspective view of a system kitchen in which a water treatment system according to the present invention is incorporated, FIG. 2 is a conceptual explanatory diagram of the water treatment system, and FIG. 3 is a block diagram showing the entire structure of the water treatment system. , FIG. 4 is an explanatory view of a conceptual configuration of a mineral adding apparatus, FIG. 5a is an explanatory view of a cluster processing apparatus, FIG.
Figure 5b is an explanatory diagram of the electronic field processing by the cluster processing device,
FIG. 6 is a partially enlarged front view of a chilled water device, FIG. 7 is a diagram illustrating a conceptual configuration of a Peltier device, FIG. 8 is a diagram illustrating a configuration of an electrolytic dechlorination / deozonation device, and FIG. FIG. 10 is an explanatory diagram of the processing, and FIG. 10 is a block diagram of a control circuit. In the figure, A: Water treatment system B: Sterilizer C: Cold water equipment D: Mineral addition equipment E: Cluster treatment equipment F: Electrolytic dechlorination / de-ozone equipment G: Hot water equipment

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification code FI C02F 1/50 550 C02F 1/50 550H 560 560F 560Z 1/68 510 1/68 510B 520 520V 530 530B 530L 540 540E 540G 1/78 1/78 9/00 502 9/00 502M 502N 502R 503 503A 504 504B 504C E03C 1/10 E03C 1/10 (72) Inventor Ayako Hirano 2-8-1, Honmura, Chigasaki City, Kanagawa Prefecture Inside the factory (72) Inventor Takeshi Ken Takagi 2-9-1, Honmura, Chigasaki-shi, Kanagawa Prefecture Tochiki Kikai Co., Ltd. Chigasaki Factory (56) References JP-A-63-236593 (JP, A) (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) C02F 1 / 46-1/48 C02F 1/50 C02F 9/00

Claims (3)

(57) [Claims] 1. A downstream side of a sterilization device provided in a flowing water channel, a return pipe branched from a terminal portion connected to the sterilization device, and a cluster treatment device for activating water molecules of tap water is provided in the return pipe. A water treatment system characterized by being attached. 2. A cluster processing device for activating a water molecule of tap water, wherein a reflux pipe whose terminal end is connected to the sterilizer is branched downstream of the sterilizer provided in the flowing water channel. A water treatment system, comprising: a mineral addition device for eluting a mineral component into tap water. 3. The water treatment system according to claim 1, wherein the cluster treatment device is constituted by an electronic field.