Device and method for manufacturing carbonated spring and carbonic water, control method for gas density applied thereto, and membrane module
First Claim
1. A device for manufacturing a gas dissolved solution for carbonated spring, the device manufacturing the carbonated spring and comprising:
- a membrane module which dissolves carbon dioxide gas into hot water through a membrane;
means for supplying hot water to the membrane module; and
means for supplying carbon dioxide gas to the membrane module, wherein a flow control valve which maintains a flow rate of carbon dioxide gas constant and is not affected by a secondary pressure is provided between the means for supplying the carbon dioxide gas and the membrane module.
1 Assignment
0 Petitions
Accused Products
Abstract
Hot water (12) in a bath (11) is pumped up by a suction pump (9) and introduced into a carbon dioxide gas dissolver (7) through solution flow rate adjusting means (14) and then, poured into the bath (11). Carbon dioxide gas supplied from a carbon dioxide gas cylinder (1) is introduced into the carbon dioxide gas dissolver (7) through gas flow rate adjusting means (5). At this time, the quantity of bubbles existing in artificial carbonated spring in a take-out pipe (15) is measured with a measuring device (13), and the solution flow rate adjusting means (14), gas flow rate adjusting means (5) and the like are controlled by means of a control device (16) using a relational expression between a preliminarily set quantity of bubbles and carbon dioxide concentration to obtain a desired concentration of carbon dioxide gas in carbonated spring. Because the carbon dioxide gas flow control means (5) is provided between the carbon dioxide gas dissolver (7) and a carbon dioxide gas supply source, carbonated spring of a high concentration can be always manufactured even if the pressure of supplied carbon dioxide gas changes or the permeating performance of a membrane changes.
37 Citations
44 Claims
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1. A device for manufacturing a gas dissolved solution for carbonated spring, the device manufacturing the carbonated spring and comprising:
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a membrane module which dissolves carbon dioxide gas into hot water through a membrane;
means for supplying hot water to the membrane module; and
means for supplying carbon dioxide gas to the membrane module, wherein a flow control valve which maintains a flow rate of carbon dioxide gas constant and is not affected by a secondary pressure is provided between the means for supplying the carbon dioxide gas and the membrane module. - View Dependent Claims (2, 3, 4, 5, 6, 42)
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- 7. A method for manufacturing a gas dissolved solution, wherein, when carbonated spring is manufactured by dissolving carbon dioxide gas into hot water through a membrane, the carbon dioxide gas flow rate is controlled to be constant.
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13. A device for manufacturing a gas dissolved solution for carbonated spring, comprising:
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a carbon dioxide gas supply port;
a carbon dioxide gas dissolver which communicates with the carbon dioxide gas supply port;
a water bath;
a circulation pump for feeding water in the water bath into the carbon dioxide gas dissolver and returning into the water bath; and
carbon dioxide gas supply control means for changing the carbon dioxide gas supply velocity during dissolving of carbon dioxide gas. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 43)
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- 22. A method for manufacturing a gas dissolved solution for carbonated spring, wherein, when water in a water bath is circulated by a circulation pump through a carbon dioxide gas dissolver while carbon dioxide gas is supplied into the carbon dioxide gas dissolver so as to dissolve carbon dioxide gas into the water bath to raise the carbon dioxide gas concentration of water in the water bath gradually, the carbon dioxide gas supply velocity is retarded in the latter half period of the carbon dioxide gas dissolving time as compared with the former half period thereof.
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26. A method for measuring a gas concentration in a gas dissolved solution, comprising:
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introducing solution and gas into a gas dissolver each by a predetermined flow rate;
measuring the quantity of bubbles existing in a take-out pipe from the gas dissolver; and
measuring the gas concentration of a gas dissolved solution discharged from the take-out pipe according to the quantity of the bubbles. - View Dependent Claims (27, 28, 29)
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30. A device for manufacturing a gas dissolved solution, comprising:
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a gas supply source having gas flow rate adjusting means;
a gas dissolver in which gas and solution are to be introduced from the gas supply source;
solution flow rate adjusting means for controlling the flow rate of the solution introduced into the gas dissolver to be constant; and
a take-out pipe for taking out a solution from the gas dissolver, the manufacturing device further comprising;
a measuring device for measuring the quantity of gas bubbles existing in the take-out pipe; and
a control device for computing the gas concentration of the solution based on a relational expression between the quantity of bubbles and gas concentration measured preliminarily under a condition that the solution flow rate and gas flow rate are constant and a measured value from the measuring device and controlling the gas flow rate adjusting means and/or the solution flow rate adjusting means based on the computation result. - View Dependent Claims (31, 32, 33, 34, 35, 44)
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36. A membrane module for adding carbon dioxide gas, which is composed of a gas permeation membrane in which the carbon dioxide gas permeating amount at 25°
- C. is 1×
10−
3 to 1 m3/m2·
hr·
0.1 MPa and the vapor permeating amount at 25°
C. is 1×
103 g/m2·
hr·
0.1 MPa or less. - View Dependent Claims (37, 38, 39, 40, 41)
- C. is 1×
Specification