JP5826421B1 - Gas dissolver and carbonated water generator using the same - Google Patents

Abstract

Disclosed is a gas dissolver having a short gas-dissolving mixing channel length and a simple structure that does not reduce the ability to generate carbonated water, and a carbonated water generator using the same. A gas dissolver 2 has a planar gas-liquid mixing region formed hermetically in a housing 3, an inlet 21 formed substantially at the center of the gas-liquid mixing region, and a gas-liquid mixing region sandwiched between the gas-liquid mixing region and the gas-liquid mixing region. An outflow port 22 formed in communication with the gas-liquid mixing region at a position opposite to the inflow port, and the gas-liquid mixing region includes a flow path 31b for diffusing the gas-liquid introduced from the inflow port in the surface direction. 31 and a concentration section 32 composed of a flow path 32b that communicates from the diffusion end portion of the diffusion section and concentrates toward the outlet are formed in a stacked state. The carbonated water generation device includes the gas dissolver, an inflow pipe connected to an inlet for supplying water and carbon dioxide gas to the gas-liquid mixing area of the housing, and the carbonated water generated by the gas dissolver to the outside. And an outflow pipe connected to the supply outlet. [Selection] Figure 3

Description

  The present invention relates to a gas dissolver for dissolving carbon dioxide (CO2) in water (or hot water) at a high concentration, and a carbonated water generation apparatus using the same.

  Recently, research has been conducted on the fact that carbonated water in which carbon dioxide gas is dissolved in water or warm water at a high concentration has various effects on the human body and agricultural crops, and numerous demonstration examples have been published.

  For example, the effects of the carbonic acid component on the human body include promoting blood circulation through the skin, discharging waste products, eliminating swelling, and the effect of recovering fatigue from beverages, and improving diabetes, gout, and anemia. . In addition, as an effect on agricultural crops, there is growth promotion when it is used with hydroponics water, soil washing water, and agricultural water, and for animals and workers when used as washing water for poultry houses and cowsheds. There are also research announcements that hygiene will improve.

  Various developments and proposals have been made on carbonated water generators that can be expected to be effective in various fields. For example, as a device that dissolves carbonic acid in water using a mechanical device, Japanese Patent Application Laid-Open No. 2008-212495 “Carbonated Spring Generation Device” (Patent Document 1) injects carbonated water into water and forms a bellows-like shape on the inner diameter side. An apparatus using a carbon dioxide gas dissolver that circulates a pipe formed by winding a pipe having an uneven portion in a coil shape is disclosed.

  In addition, in Japanese Patent Application Laid-Open No. 9-173803 “Method for Producing Carbonic Acid Solution” (Patent Document 2), an inflow port for carbon dioxide gas and liquid is provided in the central portion, and a large number of open gas and liquid are provided. A gas dissolver (explained as “cell” in the literature) that diffuses in the radial direction while passing through an element consisting of a small chamber and then concentrates the gas and liquid on the outlet at the center while passing through the equivalent element again from the end. .) Is disclosed.

JP 2008-212495 A Japanese Patent Laid-Open No. 9-173803

  However, Japanese Patent Application Laid-Open No. 2008-212495 (Patent Document 1) not only reduces the production capacity of carbonated spring (carbonated water), that is, the amount of gas-liquid mixing, but also the internal structure is complicated. Therefore, there is a problem that the manufacturing cost of the carbon dioxide gas dissolving portion increases.

  Moreover, since the gas dissolver disclosed in Japanese Patent Application Laid-Open No. 9-173803 (Patent Document 2) has a complicated configuration in which the internal flow path is complicated, the flow path for gas-liquid mixing is the same as the apparatus of Patent Document 1. There was a problem of becoming longer. For this reason, there existed the same problem that the manufacturing volume of the fall of the throughput of gas-liquid mixing and the carbon dioxide gas increased.

  Therefore, the present invention has been made in view of the above problems, and is a gas dissolver in which the mixing flow path length for performing gas dissolution is short and the structure for generating carbonated water does not decrease while having a simple structure, and It aims at providing the carbonated water production | generation apparatus using this.

  In order to solve the above problems, a gas dissolver according to the present invention is configured as follows.

That is, a planar gas-liquid mixing region formed airtight in a housing, an inflow port formed in communication with the gas-liquid mixing region in the vicinity of a substantially center in a plan view of the gas-liquid mixing region, and the gas-liquid mixing region And an outlet formed so as to communicate with the gas-liquid mixing region at a position substantially opposite to the inlet with the gas-liquid mixing region in which the gas-liquid introduced from the inlet is different in the surface direction. concentration with a diffusion section to diffuse with the plurality of flow paths having a path length, a plurality of flow paths having a flow path length that is different toward the outlet communicates from each flow path end portion of the diffusion zone The concentrated compartments to be formed are formed in a stacked state.

As such a flow path form, a plurality of paths having a limited volume by dividing the inside of the housing may be formed, or a combination of pipes may be formed.

The length of each flow path from the inlet to the outlet is such that the flow particles (fluid particles) diffuse and concentrate at a flow velocity and a turbulent flow state from the inlet to the outlet. It is set in consideration of various factors such as particle motion behavior, stirring condition, and water viscosity resistance.

The gas-liquid mixing region may be formed in a rectangular shape in plan view. In this case, the gas-liquid mixing region in which the diffusion section and the concentrated section are formed in a laminated state has a rectangular parallelepiped shape, and a casing formed by airtightly forming this has a rectangular parallelepiped shape.

According to the configuration of the present invention described above, the gas-liquid flow flowing through the gas-liquid mixing region in the casing partitioned from the inlet is changed in direction after inflow and diffused radially in a plane direction. And after diffusing once, it concentrates on an outflow port in the reverse direction of a surface direction from the diffusion position. A turbulent state is formed in the gas-liquid in the process of diffusion and concentration, which promotes dissolution of the gas in water.

In addition, since the gas-liquid mixing region has a flow path configuration as described above, the gas- liquid is dispersed in the radial direction along the plurality of flow paths in the housing immediately after inflow from the inlet, and the direction change and speed change at this time As a result, the friction and collision between the gas particles and the liquid particles become more active and particle splitting is induced, so that the gas is further dissolved into the liquid. As a result, the mixing and stirring properties of the gas and liquid are further increased, and a dissolved solution in which the gas is dissolved at a high concentration can be generated.

  The carbonated water generating apparatus using the gas dissolver having the above-described configuration includes a gas dissolver having the above-described configurations, and water and carbon dioxide (CO2) separately in a gas-liquid mixing region of the casing of the gas dissolver. Or an inflow pipe connected to an inflow port for supplying after being joined together, and an outflow pipe connected to an outflow port for supplying carbonated water generated by the gas dissolver to the outside. To do.

  According to the present invention, the carbon dioxide gas can be efficiently dissolved only by the water pressure and the supply pressure of the carbon dioxide gas without adding energy such as pressurization and electricity from the outside with a simple structure. In addition, this carbonated water generating apparatus may use heated water instead of room temperature water as water (medium) that is injected into the carbonated water generating apparatus specified above and melts carbon dioxide gas.

  Moreover, as another form of carbonated water production | generation apparatus, it is good also as a form which made the several gas dissolver of the said structure superimpose (stacking direction) through the connecting pipe. The carbonated water generation device of this embodiment connects the inlet of the gas dissolver located on the start end side of the gas-liquid flow and the inflow pipe to be supplied after water or carbon dioxide is separately or merged, It connects to the outflow pipe for supplying the outflow outlet for supplying the carbonated water produced | generated by each gas dissolver and the outflow port of the gas dissolver located in this.

  The carbonated water generating device of this embodiment is a mode that is adopted when improving the solubility of gas and liquid because the gas and liquid to be mixed pass through a plurality of gas dissolvers continuously.

  Further, unlike the above-described laminated form, the gas dissolver having the above-described configuration arranged in parallel, the inflow pipe for supplying water and carbon dioxide gas separately or after being combined, and each gas dissolution connected to the inflow pipe Branch means corresponding to the number of inlets of the vessel, branch pipes branched from the branch means and connected to the inlets of the gas dissolvers, and a collecting pipe connected to the outlets of the gas dissolvers, You may comprise from the collection means connected with this aggregation pipe | tube, the collection means of the carbonated water produced | generated by each gas dissolver, and the outflow pipe connected with this collection means.

  This form of carbonated water generator is a form employed when the amount of gas-liquid mixing is increased because the gas and liquid to be mixed simultaneously pass through a plurality of gas dissolvers.

  According to the present invention of each configuration described above, the gas-liquid in which the gas and the medium to be dissolved (water) are mixed is diffused in a planar shape in the radial direction after flowing in from the inflow port, and then is planar again from the end of the casing. Therefore, a sudden change in flow velocity and flow direction occurs simultaneously in the housing, resulting in a turbulent flow state. As a result, the degree of dissolution of the soluble gas (such as carbon dioxide) in the liquid can be increased by stirring the particles even though the flow path length in the housing is short.

  In addition, the gas-liquid mixing area of the gas dissolver has a simple configuration in which a diffusion section and a central section having the same configuration are arranged in a stacked state in a casing, and the plate body is welded, bonded, or cut out. It can be easily constructed by processing, molding, and connecting pipes, and the manufacturing cost can be reduced.

  Further, the carbonated water generation apparatus using the gas dissolver having the above-described configuration is a carbon dioxide supply means (for example, a gas cylinder filled with carbon dioxide (hereinafter referred to as a gas cylinder filled with carbon dioxide) that can adjust the supply pressure to the inlet of the tap water and the gas dissolver. , “CO2 gas cylinder”), it can be easily connected to the pipes of tap water and hot water supply facilities in ordinary households.

  And the energy to be used is only the supply pressure of hot water (or water pressure in the case of water supply) and the gas pressure from the carbon dioxide gas cylinder, and additional energy from the outside (for example, additional pressure from the compressor or external power source) Additional power). As a result, it is possible to obtain a safe carbonated water which is simple and easy but can be continuously and further easily controlled. Therefore, the installation cost of the apparatus and the maintenance cost for maintenance management can be reduced.

  Furthermore, since the above gas dissolver is a kind of modular configuration, a carbonated water generating device with a doubled solubility capability can be easily constructed by arranging a plurality of gas dissolvers superimposed (stacked). In addition, a carbonated water generating device that doubles the generation processing amount of the dissolved solution can be easily constructed by arranging gas dissolvers in parallel. Thereby, the carbonated water production | generation apparatus which adjusted the solubility and the production | generation process amount flexibly according to the installation place and the intended purpose can be provided.

It is the schematic which shows the Example of the carbonated water generating apparatus which concerns on this invention. It is the schematic which shows the structure of the specific usage example of the carbonated water generating apparatus which concerns on this invention. It is a perspective view which cuts and shows the gas dissolver which concerns on this invention partially. It is the longitudinal cross-sectional view (A) of the gas dissolver which concerns on this invention, and its AA sectional view (B). It is explanatory drawing (A) which shows another form of the carbonated water production | generation apparatus which concerns on this invention, (B).

  Next, an example of a specific embodiment of a gas dissolver according to the present invention and a carbonated water generation apparatus using the gas dissolver will be described in detail with reference to the drawings. In the following description, for convenience, the upper part of the drawing is referred to as “upper part” and the lower part is referred to as “lower part”.

  FIG.1 and FIG.2 is schematic which shows the structure of the carbonated water production | generation apparatus 1 of a present Example, and the specific usage example. The carbonated water generating device 1 connects an inflow pipe 4 and a water injection pipe 4a for supplying tap water or water or hot water from a water heater to an inflow port 21 of a gas dissolver 2, which is a main component, and an outflow port 22 Is connected to an outflow pipe 5 piped to an external device 6, for example, a bathtub 6a, a shower head 6b, or a faucet 6c.

  A gas supply pipe connected to the inflow pipe 4 via a T-type joint 4c (commonly called “cheese”) and a regulating valve 4d in order to supply carbon dioxide gas from the carbon dioxide gas cylinder 7 in the vicinity of the inlet 21 to the water injection pipe 4a. 4b is connected.

  With such a configuration, the carbon dioxide gas supplied from the carbon dioxide gas cylinder 7 and the water or hot water flowing through the water injection pipe 4 a are merged by the T-shaped joint 4 c and introduced into the gas dissolver 2. And, by the action in the diffusion section 31 and the concentration section 32 constituting the gas-liquid mixing area of the casing 3 described later, the carbon dioxide gas is dissolved in water to become carbonated water and flows out from the outlet 22 and is connected. It passes through the outflow pipe 5 and is supplied to the faucet 6c as the bathtub 6a and the shower head 6b of the external equipment 6 and further as disinfecting water or cleaning water.

  In the carbonated water generating apparatus 1 of the present embodiment, the supply pressure (water pressure) from the water inflow pipe 4 and the water injection pipe 4a is the water supply pressure or hot water supply pressure from an existing public water supply or individual hot water supply equipment, for example, 0.05. It adjusts suitably in -0.5Mpa range. The gas pressure from the carbon dioxide cylinder 7 is appropriately adjusted within the range of 0.15 to 0.4 Mpa by the adjusting valve 4d.

  In addition, the carbonated water generating device 1 of the present embodiment uses only water pressure or hot water supply pressure and gas supply pressure as an energy source, and does not need additional power or dynamic pressure to be supplied from the outside, easily and easily. Furthermore, it can be generated in a short time. Furthermore, since the entire structure is compact (volume saving), if only the carbon dioxide gas cylinder 7 is procured and installed, carbonated water, which is said to have various human effects and effects, can be used in ordinary households. It can be used easily and easily.

  Next, the gas dissolver 2 which is a main element for generating carbonated water will be described with reference to FIGS. The gas dissolver 2 includes a rectangular parallelepiped casing 3 formed by hermetically sealing a gas-liquid mixing area composed of a diffusion section 31 and a concentration section 32 described later, and a flow formed at the center of the wide surface at the top of the casing 3. It mainly comprises an inlet 21 and an outlet 22 formed at the center of the lower wide surface which is the opposite surface of the inlet 21.

  The casing 3 has a rectangular parallelepiped appearance as described above from a metal material or a hard resin material, and the inside of the casing is partitioned to form a gas-liquid mixing region. This gas-liquid mixing region is configured in a stacked state in which the inside of the casing is divided into two vertically by a diffusion section 31 at the top and a concentrated section 32 at the bottom in the casing.

  First, the diffusion section 31 has an inflow space 31a at the upper center of the casing that communicates with the inflow port 21, eight flow paths 31b that communicate with the inflow space 31a and extend radially toward the end of the casing, Consists of.

  The concentration section 32 is composed of an outflow space 32a at the center of the lower part of the casing that communicates with the outlet 22 and eight flow paths 32b that communicate with the outflow space 32a and extend radially toward the end of the casing. doing.

  Here, the respective flow paths 31b and 32b of the diffusion section 31 and the concentration section 32 are formed at substantially overlapping positions with the upper and lower portions as layers. The flow paths 31b and 32b are connected to each other through the communication path 33 at the end of the casing. The cross-sectional area of the communication path 33 is substantially the same as the flow paths 31b and 32b. The flow paths 31b and 32b are not limited to the straight line shown in the figure, and a part of the flow paths 31b and 32b may be formed in a curve or a crank shape to extend the distance, or the cross-sectional area in the middle may be reduced or expanded.

  Due to the configuration of the gas-liquid mixing region, the flow of the gas-liquid in the casing is in the order of the inlet 21, the inflow space 31a, the diffusion section 31, the communication path 33, the concentration section 32, the outflow space 32a, and the outlet 22. It will flow in. More specifically, the gas-liquid entering from the inlet 21 changes the flow direction, branches in a radial plane direction at once, diffuses toward the housing end, and then reverses the flow direction again at the housing end. After that, it concentrates from the periphery which is a housing | casing edge part toward the outflow port 22. FIG.

  The gas-liquid flow that has flowed into the casing becomes a turbulent state due to the diffusion, concentration, and direction change at the end of the casing, and the flow particles (water particles and carbon dioxide bubbles) entering from the inlet 21 are scraped. It is disturbed and stirring and mixing are promoted to reach the outlet 22. In this process, carbon dioxide gas dissolves in water and is in an unstable state, but hydrogen carbonate ions HCO3− and hydrogen ions H + are generated in water. It is said that various effects and effects can be expected when used as drinking water or as bath water depending on the abundance ratio of these ions. In this way, a speed change due to diffusion and concentration and a sudden change in the flow direction add a plurality of compressive forces and expansion forces to the flow particles, thereby inducing friction between particles and particle splitting. As a result, the dissolution of gas (carbon dioxide) into the liquid (water or warm water) is promoted, and a high concentration carbon dioxide solution (carbonated water) can be obtained.

The outflow port 22 and the inflow port 21 project outward from the housing 3 and have an annular shape, and can be easily connected to the inflow pipe 4 and the outflow pipe 5 and other appropriate joints (for example, elbows, swivels, nipples, etc.). A threaded portion 23 is formed on the inner peripheral side. In addition, the screw part 23 can also be engraved on the outer peripheral side of the annular part.
[Verification data]

［他の実施例］ Next, the demonstration data which tested the production | generation state of carbonated water using the gas dissolver 2 of a present Example is shown below. Table 1 shows the temperature of inflow water while changing the amount of inflow water in the diameter and shape when three types of pipes (diameter 15A, 20A, 25A) that are frequently used in general households and apartment houses are used. And the solubility and carbon dioxide concentration when the carbon dioxide pressure is constant.

[Other embodiments]

  As described above, the gas dissolver 2 having the above-described configuration has sufficient solubility and the ability to generate carbonated water having a carbon dioxide concentration even when used alone. When the carbonated water generating device 1 is constructed, the single gas dissolver 2 is sufficient. Satisfy desired specifications.

  On the other hand, the gas dissolver 2 of the present embodiment is a kind of modularized configuration by the above configuration. Therefore, it is possible to appropriately improve the solubility and the throughput of carbonated water generation in accordance with the purpose of use of the apparatus.

  That is, as shown in FIG. 5 (A), a plurality of gas dissolvers 2 are arranged in the overlapping (stacking) direction, and water and carbon dioxide gas are introduced into the inlet 21 of the gas dissolver 2 into which the mixed gas-liquid flows first. And an outflow pipe 5 for external supply is connected to the outflow port 22 of the gas dissolver 2 for discharging carbonated water, and the outflow ports of the gas dissolvers 2 adjacent to each other in the overlapping direction. 22 and the inflow port 21 are connected through a connecting pipe 81 (for example, a nipple) to constitute the carbonated water generating device 8. In this carbonated water generator 8, since water and carbon dioxide gas continuously pass through the plurality of gas dissolvers 2, the solubility of carbonated water and the carbon dioxide gas concentration are improved.

  Further, as shown in FIG. 5B, a plurality of gas dissolvers 2 are arranged in parallel, and the number of branches corresponding to the number of gas dissolvers 2 in which inflow pipes 4 for supplying water and carbon dioxide gas are arranged in parallel are set. It connects with the provided branch means 91 (for example, header), branches from this branch means 91, the branch pipe 91a is connected with the inflow port 21 of each said gas dissolver 2, and also the outflow port of each gas dissolver 2 22 connects the collecting pipes 92a, connects the collecting pipes 92a and the collecting means 92, and connects the collecting means 92 and the outflow pipe 5 to constitute the carbonated water generating device 9. In this carbonated water generator 9, since water and carbon dioxide gas simultaneously pass through the plurality of gas dissolvers 2, the amount of carbonated water produced is improved. Note that the number of gas dissolvers 2 arranged in parallel needs to be set in consideration of the water pressure or hot water supply pressure and the gas supply pressure.

DESCRIPTION OF SYMBOLS 1 Carbonated water generator 2 Gas dissolver 21 Inflow port 22 Outflow port 23 Screw part 3 Case 31 Diffusion section 31a Inflow space 31b Channel 32 Concentration section 32a Outflow space 32b Channel 33 Communication path 4 Inflow pipe 4a Water injection pipe 4b Gas Supply pipe 4c T-type joint 4d Regulating valve 5 Outflow pipe 6 External equipment 6a Bathtub 6b Shower head 6c Faucet 7 Carbon dioxide gas cylinder 8 Carbonated water generator (stacked type)
81 Connecting pipe 9 Carbonated water generator (parallel type)
91 Branch means 91a Branch pipe 92 Aggregation means 92a Aggregation pipe

Claims (5)

A planar gas-liquid mixing area formed hermetically in the housing;
An inlet formed so as to communicate with the gas-liquid mixing region in the vicinity of the approximate center of the gas-liquid mixing region in plan view;
An outlet formed in communication with the gas-liquid mixing region at a position substantially opposed to the inlet with the gas-liquid mixing region interposed therebetween;
Consisting of
The gas-liquid mixing zone, a diffusion zone to diffuse with the plurality of flow paths having a flow path length of the gas-liquid different in the surface direction introduced from the inlet, each communicating from the flow path end portions of the diffusion compartment And a concentration section for concentrating with a plurality of flow paths having different flow path lengths toward the outlet. The gas-liquid mixing area is
The gas dissolver according to claim 1, wherein the gas dissolver is rectangular in plan view. A gas dissolver according to claim 1 or 2 , and
An inflow pipe connected to an inflow port for supplying water and carbon dioxide (CO2) to a gas-liquid mixing region of the casing of the gas dissolver;
An outflow pipe connected to an outlet for supplying carbonated water generated by the gas dissolver to the outside;
A carbonated water generator comprising: A plurality of gas dissolvers according to claim 1 or 2 ,
The carbonated water generator according to claim 3, wherein the carbonated water generator is superposed via a connecting pipe. A plurality of gas dissolvers according to claim 1 or 2 arranged in parallel;
An inflow pipe for supplying water and carbon dioxide gas separately or after being combined,
Branching means corresponding to the number of inlets of each gas dissolver connected to the inflow pipe;
A branch pipe branched from the branch means and connected to the inlet of each gas dissolver,
An aggregation pipe connected to the outlet of each gas dissolver,
A means for concentrating carbonated water produced by each gas dissolver connected to the concentrating pipe,
An outflow pipe connected to the aggregating means;
A carbonated water generator comprising:

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