JP3718544B2 - Calcium-added water generator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a calcium-added water generator in a water maker that uses carbon dioxide and calcium solids, and in particular, it is possible to dissolve calcium in an inexpensive, efficient and uniform manner, and it is difficult to obstruct water flow. It is related with the calcium addition water generator which does not have.
[0002]
[Prior art]
In calcium dissolution in a conventional calcium-added water generator using carbon dioxide, a three-layer hollow fiber membrane is used to supply carbon dioxide into the water, and carbon dioxide is perfused and hollowed inside the hollow fiber membrane. A method of dissolving carbon dioxide in water by perfusing water outside the yarn membrane, or a method of dissolving carbon dioxide in water by perfusing water inside the hollow fiber membrane and carbon dioxide outside the hollow fiber membrane Alternatively, there is a method of dissolving carbon dioxide in water by blowing carbon dioxide into a sintered filter and passing water therethrough.
[0003]
[Problems to be solved by the invention]
However, the method of using a three-layer hollow fiber membrane with a conventional calcium-added water generator is expensive, and the three-layer hollow fiber membrane is dewed when operation is stopped, so carbon dioxide cannot be supplied when resuming use. In addition, regarding the method of using a sintered filter, there were problems such as difficulty in flowing water unless a considerably high water pressure was applied due to pressure loss in the sintered filter. .
[0004]
Therefore, the object of the present invention is to avoid the above-mentioned problems as much as possible, and to dissolve calcium efficiently and uniformly at a low cost, and it is difficult to disturb the water flow, and the contact efficiency between water and carbon dioxide gas is good. An object of the present invention is to provide a calcium-added water generator that does not have a movable part.
[0005]
[Means for Solving the Problems]
Such an object is achieved by the following invention.
In a calcium-added water generator containing or externally containing a container containing calcium components and a container containing carbon dioxide gas, the carbon dioxide gas mixer having a torsion bar-like stirrer having no moving parts is used as the carbon dioxide gas. In the installation between the container storing the calcium component and the container storing the calcium component, it is arranged in the vertical direction (gravity direction) or in the inclined direction, and the water flow traveling direction in the carbon dioxide gas mixer is determined. A calcium-added water generator characterized by being directed downward.
[0006]
In a calcium-added water generator containing or externally containing a container containing calcium components and a container containing carbon dioxide gas, the carbon dioxide gas mixer having a torsion bar-like stirrer having no moving parts is used as the carbon dioxide gas. In the installation between the container storing the calcium component and the container storing the calcium component, it is arranged in the vertical direction (gravity direction) or in the inclined direction, and the water flow traveling direction in the carbon dioxide gas mixer is determined. 2. The calcium-added water generator according to claim 1, wherein the calcium-added water generator according to claim 1 is provided with a water flow filtering means and / or a water flow impurity adsorbing means added to the downstream water channel.
[0007]
【Example】
Hereinafter, the present invention will be specifically described with reference to the drawings.
1 and 2 show a calcium-added water generator of the present invention. Specifically, in a mineral water generator, a calcium component in a container storing a calcium component is changed from a container storing the calcium component. In order to promote the dissolution of calcium components, dissolve in water with carbon dioxide in a container containing carbon dioxide, add calcium, which is a component of minerals, and provide refreshing drinking water by carbon dioxide supply It is a block diagram of the supply method.
[0008]
Details of each part in FIG. 1 are as follows.
Reference numeral 2 denotes a container that stores carbon dioxide gas. A high-pressure cylinder and a low-pressure cylinder having a gas pressure similar to a spray can can be used. Reference numeral 2 'denotes a carbon dioxide gas constant pressure throttle valve, which lowers the pressure of carbon dioxide gas supplied from the container 2 storing carbon dioxide gas, and makes the pressure constant.
3 is a water flow constant flow valve, which is used to keep the water flow rate per unit time constant even if the original pressure of the water flow rises. In this embodiment, a mechanical constant flow valve is used in which the orifice opening area changes due to the balance of the spring pressure generated in the direction opposite to the water pressure.
[0009]
A carbon dioxide gas mixer 4 is used for the purpose of mixing carbon dioxide gas into a water stream. In this embodiment, the carbon dioxide gas mixer is disposed in the vertical direction, but it may be disposed in the tilt direction. The carbon dioxide gas inlet 4a is provided in the upstream water flow passage of the carbon dioxide gas mixer 4, and after the carbon dioxide gas is introduced into the water, the carbon dioxide gas and the water flow flow from the upstream side to the downstream side in the carbon dioxide gas mixer 4. In addition, in order to mix and dissolve the water flow and carbon dioxide in the carbon dioxide mixer 4, the contact area and contact time of water and carbon dioxide are expanded by a torsion bar-like stirrer 4 'having no moving parts. ) A Noritake static mixer is used. Of course, as long as the same effect can be expected, it can be used by replacing with other products. The carbon dioxide gas mixer 4 is arranged in the vertical direction (gravity direction) or in the inclined direction, and the water flow direction is directed downward to further expand the contact area and contact time of water and carbon dioxide gas. It is possible.
[0010]
Reference numeral 5 denotes a container storing a calcium component, which is filled with limestone. 6 is a filter medium container for fresh water, which can be used with activated carbon, a hollow fiber membrane, an ion exchange resin or the like as a filter medium.
[0011]
The operation of the calcium-added water generator in FIG. 1 is as follows.
First, the carbon dioxide constant pressure throttle valve 2 ′ is used in the water flow that has been made constant by the water flow constant flow valve 3 so that the carbon dioxide concentration and further the calcium concentration in the water flow will not change even if the water flow rate changes due to the water pressure. The carbon dioxide gas in the container 2 storing the carbon dioxide gas is introduced while keeping the gas pressure of the carbon dioxide gas introduced from the carbon dioxide gas inlet 4a constant. Using the carbon dioxide gas mixer 4 in which the contact area and contact time between water and carbon dioxide gas are expanded by the torsion bar-like stirrer 4 'having no moving parts, the carbon dioxide gas mixer 4 has an upstream water flow channel. After the carbon dioxide gas is introduced into the water from the carbon dioxide gas inlet 4a, the water stream and the carbon dioxide gas inside the carbon dioxide gas mixer 4 while the carbon dioxide gas and the water stream flow from the upstream side to the downstream side in the carbon dioxide gas mixer 4 Dissolves.
[0012]
The torsion bar-like stirrer 4 'having no movable part of the carbon dioxide gas mixer 4 can control the amount of dissolution in the carbon dioxide gas mixer 4 by changing the twist pitch.
Further, in order to reduce the carbon dioxide gas bubbles and increase the solubility in water, a thin sintered filter having a large number of holes may be provided in the carbon dioxide gas inlet 4a.
[0013]
A container 5 storing calcium components such as limestone is arranged and connected to the downstream water flow passage of the carbon dioxide gas mixer 4, and the calcium components from the container 5 storing calcium components by the acidity due to carbon dioxide dissolution in the water flow. Promotes dissolution. Here, the water flow per unit time or instantaneous is constant at the upstream water flow constant flow valve 3, and the carbon dioxide pressure is constant at the carbon dioxide constant pressure throttle valve 2 'at the gas outlet of the container 2 storing carbon dioxide. Therefore, the dissolution of the calcium component in the water stream becomes constant, and the concentration of the calcium component in the water stream can be managed.
[0014]
At the same time, if it is necessary to remove germs, suspended solids, chlorine, etc. in the water stream, the filter medium container 6 for fresh water using activated carbon, hollow fiber membrane, ion exchange resin, etc. as a filter medium is used as a calcium component according to the type of the removed substance. Is attached to the downstream water flow channel of the container 5 in which is stored. In the filter medium in the fresh water filter medium container 6, the calcium component and the carbonic acid component in the water stream are not removed, so that it is possible to produce safe water without changing the mineral component.
[0015]
Details of each portion in FIG. 2 are as follows.
Reference numeral 2 denotes a container that stores carbon dioxide gas. A high-pressure cylinder and a low-pressure cylinder having a gas pressure similar to a spray can can be used. The carbon dioxide electric throttle valve 2 ″ is a carbon dioxide electric throttle valve that reduces the pressure of the carbon dioxide gas supplied from the container 2 storing the carbon dioxide gas, changes the pressure of the carbon dioxide gas according to the magnitude of the water flow, and mixes and dissolves in the water flow. To be constant.
[0016]
A carbon dioxide gas mixer 4 is used for the purpose of mixing carbon dioxide gas into a water stream. In this embodiment, the carbon dioxide gas mixer is disposed in the vertical direction, but it may be disposed in the tilt direction. The carbon dioxide gas inlet 4a is provided in the upstream water flow passage of the carbon dioxide gas mixer 4, and after the carbon dioxide gas is introduced into the water, the carbon dioxide gas and the water flow flow from the upstream side to the downstream side in the carbon dioxide gas mixer 4. In addition, in order to mix and dissolve the water flow and carbon dioxide in the carbon dioxide mixer 4, the contact area and contact time of water and carbon dioxide are expanded by a torsion bar-like stirrer 4 'having no moving parts. ) A Noritake static mixer is used. Of course, as long as the same effect can be expected, it can be used by replacing with other products. The carbon dioxide gas mixer 4 is arranged in the vertical direction (gravity direction) or in the inclined direction, and the water flow direction is directed downward to further expand the contact area and contact time of water and carbon dioxide gas. It is possible.
[0017]
Reference numeral 5 denotes a container storing a calcium component, which is filled with limestone. 6 is a filter medium container for fresh water, which can be used with activated carbon, a hollow fiber membrane, an ion exchange resin or the like as a filter medium.
11 is a water flow rate detection means that detects a change in the water flow rate, changes the carbon dioxide pressure by the carbon dioxide electric throttle valve 2 ″ according to the magnitude of the water flow, and keeps the amount of carbon dioxide mixed and dissolved in the water flow constant. Used to make
[0018]
Reference numeral 12 denotes a CPU which controls the signal processing from the water flow rate detection means 11 and drives the carbon dioxide electric throttle valve 2 ″. Instead, use other means having similar functions such as a programmable controller and a hardware sequencer. It doesn't matter.
A switching power supply 13 is provided for step-down rectification of an AC100V power supply taken from the outside of the calcium-added water generator to DC5V, DC12V, and the like for internal use. It can also be used by replacing it with a dropper power supply or a battery with an equivalent capacity or more.
[0019]
The operation of the calcium-added water generator in FIG. 2 is as follows.
First, a signal input from the water flow rate detection means 11 is signal-processed by the CPU 12, and then the carbon dioxide gas amount corresponding to the water flow rate is supplied to the water to the carbon dioxide electric throttle valve 2 ″ attached to the water flow inflow portion. A drive signal is output, and carbon dioxide gas in the container 2 containing carbon dioxide gas is charged in. Carbon dioxide gas in which the contact area and contact time of water and carbon dioxide gas are expanded by a torsion bar-like stirrer 4 'having no moving parts After using the mixer 4 to introduce carbon dioxide into the water from the carbon dioxide inlet 4a in the upstream water flow channel of the carbon dioxide mixer 4, from the upstream side to the downstream side in the carbon dioxide mixer 4, While the carbon dioxide gas and the water stream flow, the water stream and the carbon dioxide gas are mixed and dissolved in the carbon dioxide gas mixer 4.
[0020]
The torsion bar-like stirrer 4 ′ having no movable part of the carbon dioxide mixer 4 can control the amount of dissolution in the carbon dioxide mixer 4 by changing the twist pitch.
Moreover, in order to reduce the carbon dioxide gas bubbles and increase the solubility in water, a thin sintered filter having a large number of holes may be provided in the carbon dioxide gas inlet 4a.
[0021]
A container 5 storing a calcium component such as limestone is arranged and connected to the downstream water flow channel of the carbon dioxide mixer 4 and the calcium component from the container 5 storing the calcium component by the acidity of the carbon dioxide gas in the water flow. Promotes dissolution. Here, the water flow rate detecting means 11 and the carbon dioxide electric throttle valve 2 ″ are used to control the concentration of carbon dioxide gas to be supplied according to the unit time or instantaneous water flow rate. The calcium component dissolution also becomes a desired value, and the calcium component concentration in the water stream can be controlled.
[0022]
At the same time, if it is necessary to remove germs, suspended solids, chlorine, etc. in the water stream, the filter medium container 6 for fresh water using activated carbon, hollow fiber membrane, ion exchange resin, etc. as a filter medium is used as a calcium component according to the type of the removed substance. May be attached to the downstream water flow channel of the container 5 in which is stored. In the filter medium in the fresh water filter medium container 6, the calcium component and the carbonic acid component in the water stream are not removed, so that it is possible to produce safe water without changing the mineral component.
[0023]
【The invention's effect】
In the calcium-added water generator of the present invention, the carbon dioxide gas mixer 4 having a twisted rod-like flow path having no movable part is arranged in the vertical direction (gravity direction) or in the inclined direction so that the upstream water flow Carbon dioxide gas inlet is provided in the flow path, carbon dioxide gas is introduced into the water, and the water flow and carbon dioxide gas can be mixed and dissolved efficiently in the vertical direction or inclined direction inside the carbon dioxide gas mixer. Since the calcium component is dissolved in the water from the container storing the calcium component arranged in the downstream water flow channel, it is possible to dissolve calcium in a particularly inexpensive, efficient and uniform manner, and it is difficult to disturb the water flow. It has become possible to provide a calcium-added water generator that does not have any.
[Brief description of the drawings]
FIG. 1 is a block diagram showing an example of a calcium-added water generator of the present invention.
FIG. 2 is a block diagram showing another example of the calcium-added water generator of the present invention.
[Explanation of symbols]
2 ... Container 2 'containing carbon dioxide gas ... Carbon dioxide constant pressure throttle valve 2 "... Carbon dioxide electric throttle valve 3 ... Water flow constant flow valve 4 ... Carbon dioxide gas mixer 4' ... Twist bar-like stirrer 4a having no moving parts ... Carbon dioxide gas inlet 5 ... Container 6 storing calcium components ... Filter medium container 11 for fresh water ... Water flow rate detecting means 12 ... CPU
13. Switching power supply

Claims (2)

In a calcium-added water generator containing or externally containing a container containing calcium components and a container containing carbon dioxide gas, the carbon dioxide gas mixer having a torsion bar-like stirrer having no moving parts In the installation between the container storing the calcium component and the container storing the calcium component, it is disposed in the vertical direction (gravity direction) or in the inclined direction, and the direction of water flow in the carbon dioxide gas mixer is determined. A calcium-added water generator characterized by being directed downward. In a calcium-added water generator containing or externally containing a container containing calcium components and a container containing carbon dioxide gas, the carbon dioxide gas mixer having a torsion bar-like stirrer having no moving parts In the installation between the container storing the calcium component and the container storing the calcium component, it is disposed in the vertical direction (gravity direction) or in the inclined direction, and the direction of water flow in the carbon dioxide gas mixer is determined. The calcium-added water generator according to claim 1, wherein the calcium-added water generator according to claim 1, wherein the calcium-added water generator is downward and further has a water flow filtering means and / or a water flow impurity adsorbing means added to the downstream water channel.

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