JPH07114758B2 - Hot water circulation system with liquid ionizer - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water circulating apparatus having a device for ionizing a liquid such as water, and more specifically, it has a device for ionizing a liquid by flowing electric energy into the liquid. The present invention relates to a hot water circulation device.

[0002]

2. Description of the Related Art Conventionally, circulating cooling of a cooling tower, etc.
As an apparatus for ionizing a liquid such as water , a carbon rod that is a positive electrode is arranged in an aluminum cylinder that is a negative electrode member, and both these members are connected by an electric resistor, and an electrolytic solution such as water interposed between them is connected to each other. the apparatus of ionized with a voltage between members of KOKOKU 3-4279 JP 1
It is described in the figure. In addition, there is an electric component in the middle of the bathtub circuit.
As a bath water sterilizing and purifying device equipped with an electrolyzer to solve
There is a Japanese Laid-Open Publication No. 3-192. O003]

The object of the invention is to be Solved by the former of the ionization device
In that, since the carbon rod is arranged in the aluminum cylinder, the flow passage area of the circulating hot water flowing through the aluminum cylinder is narrowed by the carbon rod,
A sufficient circulating hot water flow rate cannot be obtained, and the carbon rod may fall off and separate from the aluminum cylindrical body due to the fluid pressure of the circulating hot water, and the carbon rod may be washed away in the hot water circulating path, which may cause trouble. Electricity of the latter bathtub water sterilization purification device
In the decomposer, a diaphragm is provided between the anode side and the cathode side.
Water is diverted, and water entering the anode side and the cathode side
Because the water that enters is not mixed, the resistance of water
Tends to grow. The present invention prevents crystallization of salts such as calcium, magnesium and silica dissolved in water even in the case of water of high hardness as in the above-mentioned known example, and enables effective use in water of wide hardness and high reliability. An object of the present invention is to provide a hot water circulation device equipped with a liquid ionization device. Another object of the present invention is to provide a bath water sterilizing and purifying apparatus of the latter without disposing a carbon rod in an aluminum cylinder like the former ionizing apparatus.
A diaphragm that acts as a water resistance is provided like an electrolyzer.
It is an object of the present invention to provide a hot water circulation device equipped with a liquid ionization device which has a large liquid flow channel area, improves the ionization efficiency of circulating hot water, and has a simplified structure and reduced cost.

[0004]

In order to achieve the above object, in a hot water circulation device equipped with a liquid ionization device of the present invention, a liquid pipe is formed of an insulating material, and an inner peripheral surface of the pipe is electrically connected. A first and a second member made of two kinds of conductive materials having different chemical potentials are arranged separately from each other in the circumferential direction, and a short-circuit prevention wall is provided between the adjacent first and second members. Is characterized in that the liquid ionization device formed by is formed in a part of the hot water circulation path. In order to achieve the above-mentioned object, the hot water circulation device equipped with the liquid ionizer of the present invention has a liquid pipe having a deformed inner surface shape formed of an insulating material, and the deformed inner surface of the pipe has an uneven shape in the circumferential direction. A first member serving as a positive electrode is disposed on the convex portion, and a second member serving as a negative electrode is disposed in a concave portion on the inner surface of the variant that is separated from the first member serving as the positive electrode. The device is characterized in that it is provided in a part of the hot water circulation path. In order to achieve the above object, it is preferable that the first and second members in the hot water circulation device including the liquid ionization device of the present invention are connected by a resistance element inside the liquid conduit. In order to achieve the above-mentioned object, the liquid pipeline in the hot water circulation device provided with the liquid ionization device of the present invention is composed of a cylindrical hollow case with openings at both ends. 2 members are arranged, and these first and second members are arranged.
Both ends of the member are connected in the case by an electric resistor. In order to achieve the above-mentioned object, one opening end of the hollow case in the hot water circulation device including the liquid ionization device of the present invention,
A hooking jaw is provided for fixing and holding the first and second members in the hollow case, and a hollow insulating fixing for fixing and holding these members in the hollow case is provided at the other open end. In some cases, the cap is detachably attached. In order to achieve the above-mentioned subject, it is preferable that the first member in the hot water circulation device including the liquid ionization device of the present invention is an aluminum plate, and the second member is a carbon or copper plate or a stainless plate.

[0005]

In the operation of the invention described in claim 1, since the first and second members are connected by the circulating hot water interposed therebetween, the maximum voltage exists between both members, Almost no current flows between both members, and the amount of current is minimal. Even if the hardness of the circulating hot water is high, the amount of current flowing in the circulating warm water is extremely small, and salts of calcium, magnesium, silica, etc. in the circulating warm water are crystallized. And effectively prevent precipitation based on it. In this way, without the generation of the salt,
Circulates hot water without blocking the hot water circulation path. In the invention described in claim 2, the liquid pipeline having the irregular inner surface shape is formed of an insulating material, and the irregular inner surface of the pipeline has an uneven shape in the circumferential direction, and the first member serving as a positive electrode is provided in the convex portion. The ionizer is characterized in that the second member, which serves as the negative electrode, is disposed in the concave portion of the deformed inner surface, which is separated from the first member, which serves as the positive electrode. Since a maximum voltage is generated between the two members via circulating hot water, the crystallization of the salt and the precipitation in the pipeline are prevented as in the invention described in claim 1. Suppressed. In this way, hot water is circulated without generating the salt and without clogging the hot water circulation path. In the invention described in claim 3, the first and second
Since a member of is equipped with an ionization device, which is characterized in that it is connected by a resistance element inside the liquid conduit, in a part of the water circulation path, the resistance element causes a current to flow between both members via circulating hot water. Flow is reduced, the voltage between both members is increased, the crystallization and precipitation of the salt is suppressed as in the invention described in claim 1, and the resistance element allows the hot water flowing in the pipe to flow. White turbidity is reduced. In the invention described in claim 4, the liquid conduit is formed of a cylindrical hollow case having openings at both ends, and a semi-cylindrical first case is provided on an inner peripheral surface of the case.
Since the second member is arranged and both ends of the first and second members are connected to each other in the case by the electric resistor, the first and second members are formed only by circulating hot water. Is not electrically connected, this resistor reduces the current flow between both members via circulating hot water, increases the voltage between both members, and crystallizes and precipitates salts such as calcium in the circulating hot water. Is suppressed, and the turbidity of the warm water flowing in the conduit is reduced by the action of this resistor. In the invention described in claim 5, at one opening end of the hollow case,
An engaging jaw for fixing and holding the first and second members in the hollow case is provided, and an insulating fixing cap for fixing and holding these members in the hollow case is provided at the other open end. Is detachably attached, the first,
The second member is maintained in the hollow case without the risk of the second member peeling off from the hollow case and flowing out. The first and second members are assembled and replaced by removing the insulating fixing cap. In the invention described in claim 6, since the first member is an aluminum plate and the second member is a carbon or copper plate, aluminum ions accompanying the elution of the aluminum plate and calcium and magnesium in the circulating hot water. The binding with silica, etc. suppresses crystallization and precipitation of salts such as calcium in the circulating hot water, and reduces turbidity of the warm water flowing in the pipeline. In other words, the aggregation action of this aluminum ion
Foreign matter such as dirt in warm water is aggregated and the temperature after ionization is increased.
Water turbidity is reduced.

[0006]

EXAMPLE 1 A typical example of the invention described in claim 1 will be described below. In FIG. 1, A is a hot water circulating device, and this hot water circulating device A has a casing 20 detachably fixed in a bathtub by a fixture (not shown) such as a suction cup, and a hot water suction pump P. The hot water suction section 21 located on the primary side of the pump P, the hot water clarifying material 22 located on the secondary side of the pump P, and the hot water discharging section 23 located on the secondary side of the hot water clarifying material 22 are described above. It is built in and arranged in the casing 20. A liquid ionizer B is arranged in the hot water circulation path between the hot water discharger 23 and the hot water fining material 22 (see FIG. 1). The liquid ionizer B has a liquid pipe 10 made of vinyl chloride, which is a kind of insulating material. On the inner peripheral surface of the pipe 10, first and second members made of two kinds of conductive materials having different electrochemical potentials are provided. In the case of this embodiment, an Al-Zn alloy plate 11 and a carbon plate 12 are provided. Are arranged separately from each other in the circumferential direction. In other words, the Al-Zn alloy plates 11 are arranged at intervals with a phase angle of 120 degrees, and the carbon plates 12 are arranged between the adjacent Al-Zn alloy plates 11. Between the Al—Zn alloy plate 11 and the carbon plate 12, there are formed a pair of inwardly raised portions 13 for preventing an electrical short circuit between the plates 11 and 12. These Al
The inner surface of the liquid conduit 10 is formed in a maple leaf-like shape by the Zn alloy plate 11, the carbon plate 12, and the raised portion 13 (see FIG. 2). In Example 1, the exposed surface area of the Al—Zn alloy plate 11 is about 5 times the exposed surface area of the carbon plate 12. The operation of the first embodiment is as follows: the hot water circulation device A is installed in the hot water of the bathtub, the hot water is sucked from the hot water suction unit 21 by starting the pump P, and the hot water located on the secondary side of the pump P is used. It is supplied to the fining material 22, the impurities such as hair and dirt contained in the warm water are removed by the warm water clarifying material 22, and the purified warm water is discharged from the warm water discharging portion 23 into the bath for circulation. At this time, the circulating hot water flowing in the liquid pipeline 10 in the liquid ionization apparatus B is
A wall 13 between the Zn alloy plate 11 and the carbon plate 12 and facing each other in the diametrical direction to generate a maximum voltage, and a wall 13 for preventing short circuit formed by the raised portion Al-Z adjacent to each other
A minute electric current is not entangled between the n-alloy plate 11 and the carbon plate 12, and since this liquid is efficiently ionized, salts such as calcium, magnesium and silica in the liquid do not crystallize. The circulating hot water ionized in this state is discharged from the hot water discharger 23 into the bath.

Embodiment 2 A typical embodiment of the invention described in claim 2 will be described below. The structure different from that of Example 1 is as follows. The liquid pipe 10a of the liquid ionizer B1 in the hot water circulation device A in this embodiment has an inner surface formed in a trilobal shape, and is made of vinyl chloride which is a kind of insulating material. On the inner peripheral surface of the three-lobed conduit 10a, an Al-Zn alloy plate 11a, which is a kind of a second member serving as a negative electrode, is arranged in the concave portion of the circular arc surface, and the adjacent circular arc surface portion The boundary is this liquid conduit 10a
The carbon rod 12a, which is a kind of the first member, is arranged in the convex portion that is located near the center of the
It forms a carbon region. The adjacent Al-Zn alloy plate 11a and the carbon rod 12a serving as a positive electrode are arranged avoiding the wall surface near the boundary of the liquid conduit 10a, that is, the short-circuit prevention wall 13, and are separated from each other (see FIG. 3). ). As in the case of the first embodiment, in the operation of this embodiment, the liquid conduit 10 is provided between the carbon rod 12a and the Al—Zn alloy plate 11.
A voltage is generated across the circulating hot water flowing in a, and the amount of current becomes extremely small.

Embodiment 3 This is a typical embodiment of the invention described in claim 3, and the structure different from that of Embodiment 2 is as follows. This means that the carbon plate 12a and the Al—Zn alloy plate 11a of the liquid ionizer B2 in the hot water circulation device A in this embodiment are electrically connected by the resistance element 14 inside the liquid conduit 10 (see FIG. 4). . As the operation of this embodiment, by providing the resistance element 14, the current flowing between the plates 11a and 12a is slightly increased, but the ionization effect is maintained and the turbidity of the liquid after ionization is suppressed. It In each of the embodiments, the Al—Zn alloy plate 11 is exemplified as one kind of the second member which becomes the negative electrode, and the carbon plate 12 is exemplified as one kind of the first member which is the positive electrode. However, the first member serving as the positive electrode is not limited to Cu, Ag, Au, and the second member serving as the negative electrode is not limited to Al, Zn, and Ti.
Etc. are used, and the dissimilar metals of these two members are appropriately combined and used. As another example of the arrangement of the inward protrusions 13 for preventing an electrical short circuit between the plates 11 and 12, as shown in FIG. Six of them are arranged on the peripheral surface, and the plates 11 and 12 are arranged so as to face each other in the diametrical direction of the conduit 10, or the conduit 10 is arranged as illustrated in FIG.
A pair of plates 11 and 1 are arranged on the inner peripheral surface of the inner peripheral surface in the right half region of the inner peripheral surface so as to face each other in the striking direction.
In some cases, one of the two plates and the other plate of the other half are exposed in the inner surface of the conduit 10 in the remaining left half region. Incidentally, the liquid conduit 10 in the ionization device B3 of liquid shown in FIG. 6 there is a circular pipe, elliptical flat tube 10b as necessary as in FIG. 7 also
Is the same as the present invention even for a polygonal cylinder .

Fourth Embodiment A typical embodiment of the invention described in claims 4 to 6 will be described below. The structure different from that of Example 1 is as follows. The liquid conduit of the liquid ionizer B4 in the hot water circulation device A in this embodiment is composed of a cylindrical hollow case 10c having openings 30 and 31 at both ends. Members 40, 41 are arranged between the ridges 13, these first and second members 40,
Both ends of 41 are connected to each other in the hollow case 10c by an electric resistor 14a of about 1 MΩ to 2 MΩ (see FIG. 8). That is, one of both terminals of the resistor 14a is electrically connected to the first member 40, and the other terminal is electrically connected to the second member 41 by brazing and caulking. Unlike the other embodiments, the height of the raised portion 13 of this embodiment described above is set to be slightly larger than the thickness of the first and second members (see FIG. 9). A hollow insulation for fixing and holding the first and second members 40 and 41 in one open end portion (downstream side with respect to the flow of circulating hot water) 30 of the hollow case 10c. The sex fixing gap 50 is detachably attached (see FIGS. 8 and 10). The other open end of the hollow case 10c (the first and second upstream ends with respect to the circulating hot water flow)
Engaging jaws 51 are provided to fix and hold the members 40 and 41 in the hollow case 10c (see FIG. 8). The jaw 51 may be the entire inner circumference of the hollow case 10c or a part thereof. The first member 40 is made of an aluminum plate, and the second member 41 is made of a copper plate (or a carbon plate or a stainless plate). When the first and second members 40 and 41 are found in the hollow case 10c, the cap 50 is removed from the hollow case 10c and the electrical resistor 1 is inserted from this end.
The first and second members 40, 41 connected by 0c are inserted between the respective ridges 13, the tips are engaged with the jaws 51 at the other end, and then the cap 50 is fitted into the hollow case 10c.
The tip of the cap 50 presses the first and second members 40 and 41 to fix them to the inner peripheral surface of the hollow case 10c. In addition, those having the same reference numerals as those of the first embodiment have the same configuration and operation. The operation of this embodiment corresponds to the corresponding claims 4, 5 or
Since it is the same as the operation of the invention described in 6 , the description thereof is omitted here.

[0010]

According to the effect of the invention described in claim 1, since the first and second members are connected by the circulating hot water interposed therebetween, the maximum voltage exists between both members. Therefore, the minute current does not short-circuit between the adjacent two members and the current amount becomes the minimum, the current amount flowing in the circulating hot water becomes extremely small even if the hardness of the circulating hot water is high, and calcium, magnesium, silica, etc. in the circulating hot water. It is possible to effectively prevent the crystallization of the salt of and its precipitation. In this way, hot water can be circulated without generating the salt and without clogging the hot water circulation path. Further, the liquid conduit is formed of an insulating material, and the inner peripheral surface of the conduit is composed of two kinds of electrically conductive materials having different electrochemical potentials.
Since the second member is disposed separately from each other in the circumferential direction, there is no obstruction to the flow of the circulating hot water in the center of the liquid pipeline, and the entire cross section of the liquid pipeline is present. Can be used, the flow passage area of the circulating hot water can be increased, the ionization efficiency of the circulating hot water can be improved, and its structure can be simplified to reduce the cost.

According to the second aspect of the present invention, the liquid pipeline having the irregular inner surface shape is formed of an insulating material, and the irregular inner surface of the pipeline has an irregular shape in the circumferential direction, and the convex portion serves as a positive electrode. The member of is arranged and is the positive electrode.
Since the second member serving as the negative electrode is provided in the concave portion on the inner surface of this variant that is separated from the member of No. 3, the maximum voltage is generated between the positive electrode of the convex portion and the negative electrode of the concave portion through circulating hot water. The same effect as the invention described in claim 1 can be obtained.
In this way, hot water can be circulated without generating the salt and without clogging the hot water circulation path, and the flow of a conductive liquid such as water is obstructed in the center of the liquid pipeline. Nothing exists at all, the entire cross section of this liquid pipeline can be used, the flow path area of conductive liquid such as water can be taken large, the ionization efficiency of conductive liquid such as water is improved, and its structure is improved. It can be simplified and the cost can be reduced.

In the invention described in claim 3, the first,
The second member can reduce the flow of current between the carbon region and the Al-Zn alloy by the resistance element connected by the resistance element inside the liquid conduit, can increase the voltage between the two, and can increase the temperature of the hot water. It can prevent turbidity. When the liquid conduit in the liquid ionizer is an elliptical flat tube 10b, the width of the entire liquid ionizer can be increased.
Since the distance between the electrodes can be shortened, the amount of minute current can be increased and the ionization efficiency of hot water can be increased.

In the invention described in claim 4, the liquid conduit comprises a hollow cylindrical case having openings at both ends, and the semi-cylindrical first and second members are arranged on the inner peripheral surface of the case. Since both ends of the first and second members are connected to each other in the case by an electric resistor, the first and second parts are formed only by circulating hot water as in the invention described in claim 1. Since the member of is not electrically connected but is electrically connected by the resistor, the resistor can reduce the flow of current between the two members through circulating hot water as in the invention described in claim 3. The voltage between both members can be increased to suppress the crystallization and precipitation of salts such as calcium in the circulating hot water, and this resistor can reduce the cloudiness of the hot water flowing in the conduit.

In the invention described in claim 5, a hooking jaw for fixing and holding the first and second members in the hollow case is provided at one open end of the hollow case,
Further, since a hollow insulating fixing cap for fixing and holding these members in the hollow case is detachably attached to the other open end, the above-mentioned first portion is formed by the flow velocity of the circulating hot water flowing in the hollow case. Eliminates the risk that the first and second members will peel off from this hollow case and flow out,
The state of being held in this hollow case can be maintained.

In the invention described in claim 6, since the first member is an aluminum plate and the second member is a carbon or copper plate or a stainless plate, aluminum ions and circulation associated with elution of the aluminum plate are circulated. By binding with calcium, magnesium, silica or the like in hot water, crystallization and precipitation of salts such as calcium in circulating hot water can be suppressed . At the same time, the cloudiness of the warm water flowing in the pipeline is
It can be reduced. That is, this agglomeration of aluminum ions
Foreign matter such as dirt in warm water is aggregated by using, and after ionization
The cloudiness of warm water can be reduced.

[Brief description of drawings]

FIG. 1 is a schematic front view of a first embodiment.

2 is a vertical cross-sectional view of the liquid ionizer of FIG.

FIG. 3 is a vertical sectional view of a liquid ionization device according to a second embodiment.

FIG. 4 is a vertical sectional view of a liquid ionization device according to a third embodiment.

FIG. 5 is another vertical cross-sectional view similar to FIG.

FIG. 6 is another vertical cross-sectional view similar to FIG.

FIG. 7 is a vertical cross-sectional view of a modified example of FIG.

FIG. 8 is a half cross-sectional view of a liquid ionizer according to a fourth embodiment.

9 is a cross-sectional end view showing the arrangement of the resistors of FIG.

10 is a cross-sectional view of FIG.

[Explanation of symbols]

 10 Liquid Pipeline 11 Al-Zn Alloy Plate 12 Carbon Plate

Claims (6)

[Claims] 1. A liquid conduit is formed of an insulating material, and on the inner peripheral surface of this conduit, first and second members made of two kinds of conductive materials having different electrochemical potentials are arranged in the circumferential direction. A liquid ionizer having a short-circuit prevention wall formed between the adjacent first and second members, which are arranged separately from each other, is provided in a part of the hot water circulation path. A hot water circulation device equipped with a characteristic liquid ionization device. 2. A liquid conduit having a deformed inner surface shape is formed of an insulating material, and the deformed inner surface of this conduit has an uneven shape in the circumferential direction, and a first member whose convex portion serves as a positive electrode is arranged. An ionization device, in which a second member that serves as a negative electrode is provided in a concave portion on the inner surface of the variant that is separated from the first member that serves as a positive electrode, is provided in a part of the hot water circulation path. A hot water circulation device comprising the liquid ionization device according to claim 1. 3. The hot water provided with the liquid ionization device according to claim 1 or 2, wherein the first and second members are connected by a resistance element inside the liquid conduit. Circulator. 4. The liquid conduit is composed of a cylindrical hollow case having openings at both ends, and first and second semi-cylindrical members are arranged on the inner peripheral surface of the case. 2. The hot water circulation device having a liquid ionization device according to claim 1, wherein both ends of the member are connected to each other in the case by an electric resistor. 5. A hooking jaw for fixing and holding the first and second members in the hollow case is provided at one open end of the hollow case, and the other open end is provided at the other open end. 5. A hot water circulating apparatus having a liquid ionizer according to claim 4, wherein a hollow insulating fixing cap for fixing and holding these members in the hollow case is detachably attached. 6. The method according to claim 1, wherein the first member is an aluminum plate and the second member is a carbon or copper plate or a stainless plate. A hot water circulation device equipped with a liquid ionizer.