JPH11207193A - Double tube type sodium chloride regenerating vessel for ion exchange resin water softener - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sodium chloride regenerating vessel convenient for regenerating an ion exchange resin by directly connecting a double tube type built-in vessel, in which sodium chloride is housed to a water softener and introducing sodium chloride while automatically dissolving with the stream of water into the water softener housing the ion exchange resin only by switching a valve in the case of regenerating by passing a sodium chloride solution through in the degraded ion exchange resin in the water softener with the ion exchange resin. SOLUTION: The vessel with sodium chloride is directly connected between a city water faucet and the water softener and the vessel has a switching valve 13 and a double tube composed of an outside pipe 12 having fine pore at the lowermost part and an inside pipe 12-2 having opened both end. When city water flows in the inside part of the double tube with the switching valve switched, the sodium chloride in the vessel with sodium chloride is dissolved at the fine pore part of the lowermost part of the outside pipe 2 to turn to a salt water and introduced into the water softener to regenerate the degraded ion exchange resin.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a salt regenerating container for activating, that is, regenerating a deionized ion exchange resin in a water softener using an ion exchange resin.

[0002]

2. Description of the Related Art As a prior art, there is a prior application filed by the same applicant as the present invention, entitled "Softener with Ejector".
(Japanese Patent Application No. 9-196302) Here, only the outline will be described with reference to the outline drawing of FIG. A water softener having a four-stage switching valve 2 for performing four steps of tap water sampling, soft water sampling, backwashing operation, and regeneration operation on the head, and a handle 3 of the four-stage switching valve 2 is switched to a regeneration position. At the time, by the flow of tap water and the action of the ejector provided inside the four-stage switching valve 2, the saline solution is supplied from the attached saline solution container 6 to the saline solution conduit 7,
The water is sucked through the ejector suction port 8 and guided into the water softener to regenerate the ion exchange resin. Where 1
Is an ion exchange resin container, 5 is a water tap, and 9 is a soft water sampling port and a saline solution discharge port during regeneration. The water softener with an ejector having the four-stage switching valve is a small and simple water softener suitable for use in small-scale facilities such as a beauty salon, a sushi restaurant and other restaurants.

[0003]

However, with the spread of such small and simple water softeners, the following needs have emerged especially in facilities that use relatively much softened water. In other words, it is inconvenient to dissolve salt in water and put it in a container with salt solution, so put it in a container with salt and dissolve it in tap water, lead it to a deteriorated ion exchange resin, and regenerate it. It is. Furthermore, a large amount of salt is put in a container at a time and placed in a container. By the action of a timer and a solenoid valve, four processes are performed: tap water sampling, soft water sampling, backwashing,
They want to be able to switch playback automatically. Small water softeners have the advantages of being inexpensive and taking up little space, but have the drawback that they are inactive in a short time due to the small capacity of the ion exchange resin, and the frequency of the regeneration operation increases accordingly. In particular, when used at home, a housewife would be asked to perform cumbersome operations. Therefore, an object of the present invention is to dissolve salt in water and put it in a salt regeneration container, and put salt into a salt regeneration container as it is. If it is set, by switching the switching valve to the regeneration position, utilizing the flow of tap water, the salt is dissolved and guided to the ion exchange resin inside the water softener, and the ion exchange resin is activated, that is, regenerated. They are trying to squeeze.

[0004]

According to the present invention, a salt-containing container is directly connected between a water tap and a water softener, the container includes a switching valve, an outer pipe having a small hole suction / discharge port at the bottom, and This is a structure having an inner pipe with openings at both ends and a double pipe composed of the inner pipe.

[0005]

When the switching valve of the container containing salt of the present invention is set to the regeneration position and the four-stage switching valve of the water softener is set to the regeneration position, the tap water first enters the water softener through the double pipe. At the same time, a part of the tap water enters the salt regeneration container while melting the salt from the inlet and outlet of the small hole at the bottom of the double pipe. Therefore, the water softener and the salt regeneration container,
When the tap water is full, at this point, the saline solution in the salt regenerating container is sucked into the flow of tap water from the suction / drain port, flows into the water softener as regenerated water, and at the same time, the same amount of tap water is discharged from the suction / drain port. It is refilled in the regeneration container. Therefore, the amount of tap water in the salt regeneration container is constant, and the tap water is sequentially fed into the water softener while melting the salt. By changing the diameter of the small hole at the bottom of the double-pipe inlet / outlet, the flow rate of tap water sent as saline to the salt regeneration vessel can be adjusted. While dissolving the salt in the container with tap water, the solution is converted into a salt solution and introduced into the water softener to regenerate the ion exchange resin.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A specific embodiment of the present invention will be described with reference to the drawings. (FIG. 2) shows a sketch of the present invention. Reference numeral 1 denotes an ion exchange resin container, which is a water softener section B having a four-stage switching valve 2 at its head and a handle 3 for switching the four-stage switching valve 2. Reference numeral 5 denotes a water tap, between which a salt regeneration container section A, which is a main part of the present invention, is directly connected by a conduit 4.
When the handle 3 of the water softener section B is set to the soft water position, the handle 14 of the salt regeneration vessel section A is set to a position orthogonal to the conduit 4 and the tap faucet 5 is opened, the tap water flows to the water softener section B. The hard water component of Ca ⁺⁺ Mg ⁺⁺ is directly adsorbed by the ion exchange resin, and the soft water is collected from the soft water discharge conduit 9 as the soft water. Next, the handle 3 of the water softener section B is set to the regenerating position, and the handle 1 of the salt regenerating container section A is moved.
When the tap 4 is set in a position parallel to the conduit 4 and the tap faucet 5 is opened, the tap water passes through the inside of the salt regeneration container section A, enters the water softener section B while dissolving the salt, and is discharged from the soft water discharge pipe 9. You. At this time, the ion exchange resin is Ca ⁺⁺ Mg ⁺⁺
The ion-exchange resin having a reduced water-softening ability is replaced with Na ions of saline to regenerate the water-softening ability. (FIG. 3) shows a sectional view of FIG. A main part of the present invention, a salt regeneration container part A is directly connected to a water tap 5 by a conduit 4, and a water softener part B is directly connected by a conduit 4. (FIG. 4) is a cross-sectional view of a salt regeneration container part A which is a main part of the present invention. The switching valve 1 is provided in the salt regeneration cap 17.
3 is rotatably mounted on a holding ring 15 via an O-ring 16. The double pipe 12 is welded to the switching valve 13. That is, the switching valve 1
An outer pipe 12 provided with a small hole suction / discharge port 12-1 and an inner pipe 12-2 having both ends opened are welded to the lowermost portion of the pipe 3. The inlet 13-1 of the switching valve 13 communicates with the outer pipe 12, and the outlet 13-2 communicates with the inner pipe 12-2. A handle 14 is fixed to a rotation shaft 13-5 at the tip of the switching valve 13.
A transparent salt container 10 containing salt 11 is screwed into the salt regeneration cap 17 via an O-ring 18. Tap water is supplied to the inflow port 13 of the switching valve 13.
-1, enter the outer pipe 12 and flow downward, and the inner pipe 1
2-2 flows upward, and is guided to the water softener part B from the outlet 13-2. At this time, tap water flows in and out of the small hole suction / discharge port 12-1 due to fluctuations in pressure, and the salt water is guided to the water softener B while dissolving the salt 11.

FIG. 5 is a sectional view when the handle 14 in FIG. 4 is turned 90 degrees and the switching valve 13 is switched. The water does not pass through the outer pipe 12, that is, the inflow port 13-1 is closed, the switching flow path 13-4 is opened, and the tap water is directly guided to the water softener section B. Further, it is disassembled and illustrated for easy understanding. FIG. 6 shows a sketch of the switching valve 13. 13 is a switching valve and an inlet 13-1.
And an outlet 13-2 are provided.
And the inner pipe 12-2 is welded. 12
-1 is a suction / discharge port. A switching channel 13-4 is provided at a position shifted by 90 degrees from the two outflow ports 13-1 and 13-2. FIG. 7 shows a sectional view of the salt container 10.
Salt 11 is placed inside. It is made of a transparent material so that the amount of salt 11 can be known from the outside. The bottom is formed in a round shape so as to easily dissolve the salt 11.

Next, the operation of the thus constructed double-pipe type salt regeneration container of the present invention will be described with reference to FIG. . First, switch handle 3 of water softener section B
Is set to the regeneration position, and the switching handle 14 of the salt regeneration container unit A, which is a main part of the present invention, is set to the regeneration position.
When the water tap 5 is opened, the tap water flows from the inlet 13-1 of the switching valve 13 inside the salt regenerating container, through the outer pipe 12, through the inner pipe 12-2, through the outlet 13-2, and through the outlet 13-2. Enter part B. Inside the ion-exchange resin container 1, there is an ion-exchange resin 20, and when filled with tap water, the water pressure increases, and then the suction / exhaust port 12 of the lowermost hole of the outer pipe 12 in the salt regeneration container portion A −1, the salt 11 is melted and put into the salt container 10. When the inside of the salt regeneration container portion A is filled with tap water, the water pressure rises, and the flow of tap water flowing through the outer pipe 12 is sucked as salt water from the suction / discharge port 12-1 of the lower hole of the outer pipe 12, It is led to the water softener section B. When the water is sucked in as a saline solution and the water pressure in the salt regenerating container portion A decreases, the tap water again enters the salt regenerating container portion A while melting the salt 11. As described above, in the vicinity of the small hole 12-1 at the lowermost portion of the outer pipe 12, the tap water is guided to the water softener section B as the salt water while repeatedly flowing into and out of the salt regenerating container, and the ion exchange resin is regenerated.

(FIG. 8) shows the operation of the ion-exchange resin water softener, that is, the operation of collecting soft water and backwashing (flowing tap water from below to above the ion-exchange resin so as to loosen the ion-exchange resin and to remove dust and the like). 3 shows a time chart of the regenerating operation. First, set the switching valve to valve 1,
When collecting the water softener, it determines the time t ₁ until deteriorated by volume of the ion exchange resin. Then, in the valve 2, the end time t ₂ is determined to backwash operation of the degraded ion-exchange resin is passed through an ion exchange resin that has deteriorated the brine for a time period t ₃ is determined playback operation. Thus, in advance, each time t _{1, t 2,} t ₃ determined by entering the sequencer to operate the solenoid valve, it is possible to automate the operation.
(The illustration is omitted.) If the salt regeneration container of the present invention is used, the salt required for regeneration can be set sufficiently. Therefore, if the water softener is provided with the sequencer and the solenoid valve as described above, it is possible to achieve full automation. .

[0010]

The double-pipe salt regeneration container of the present invention has the following effects. (1) Since the salt can be set as it is, there is no need to dissolve the salt with water, the amount of salt solution can be increased, the frequency of replacement is reduced, and the method is convenient. (2) Even if salt is granulated to make it easy to handle, it can be set as it is. (3) Since the salt container is transparent, the remaining salt amount can be visually observed. (4) Since the salt can be set as it is and a large amount of saline can be taken, each operation can be fully automated using a solenoid valve and a sequencer, so that the amount of ion exchange resin can be reduced. (5) Since it is a double pipe type, even if the salt container is made deep and a large amount of salt is put therein, the double pipe as a conduit can be inserted deeply, so that more salt can be set.

[Brief description of the drawings]

FIG. 1 is a sketch drawing of a conventional water softener.

FIG. 2 is a sketch drawing of an external view of a water softener using the double-pipe type salt regeneration vessel of the present invention.

FIG. 3 is a sectional view of FIG. 2;

FIG. 4 is a cross-sectional view of a salt regenerating container part A, which is a main part of the present invention.

FIG. 5 is a sectional view when the handle 14 in FIG. 4 is turned 90 degrees and the switching valve 13 is switched.

FIG. 6 is a schematic view of a switching valve 13;

FIG. 7 is a sectional view of the salt container 10.

FIG. 8 is a time chart of valve operation of the ion exchange resin water softener.

[Explanation of symbols]

1: Ion exchange resin container 2: Four-stage switching valve
3: Handle 4: Conduit 5: Water tap 6: Saline container 7:
Salt water conduit 8: Ejector inlet 9: Soft water drainage conduit 10:
Salt container 11: Salt 12: Outer pipe 12-1: Inlet / outlet
12-2: Inner pipe 13: Switching valve 14: Switching handle 15: Holding ring 16: O-ring 17: Salt container cap 18: O
Ring 19: Pipe joint 20: Ion exchange resin

Claims (1)

[Claims] (1) passing tap water through an ion exchange resin container;
In a water softener for softening, a salt-containing container directly connected between a water tap and a water softener, the container includes a switching valve, an outer pipe having a small hole suction / discharge port at the bottom, and both ends open. And a double-pipe type salt regeneration container having a double pipe formed of an inner pipe.