Thermal storage medium using a hydrate and apparatus thereof, and method for producing the thermal storage medium
First Claim
1. A thermal storage apparatus for using a hydrate thermal storage medium comprising:
- (a) a storage tank for storing a cooling medium liquid;
(b) a refrigerating machine, connected with the storage tank via a pipe for cooling the cooling medium liquid, the cooling medium liquid circulating between the storage tank and the refrigerating machine; and
(c) a thermal storage body immersed in the cooling medium liquid, wherein the thermal storage medium comprises a hermetically sealed container containing an aqueous solution which generates at least one hydrate selected from the group consisting of a primary hydrate and a secondary hydrate, wherein the primary hydrate has a smaller hydration number and a smaller heat capacity than the secondary hydrate, and wherein the secondary hydrate has a larger hydration number and a larger heat capacity than the primary hydrate.
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Abstract
A thermal storage apparatus for using a hydrate thermal storage medium including: (a) a storage tank for storing a cooling medium liquid; (b) a refrigerating machine, connected with the storage tank via a pipe for cooling the cooling medium liquid, the cooling medium liquid circulating between the storage tank and the refrigerating machine; and (c) a thermal storage body immersed in the cooling medium liquid, wherein the thermal storage medium comprises a hermetically sealed container containing an aqueous solution which generates at least one hydrate selected from the group consisting of a primary hydrate and a secondary hydrate, wherein the primary hydrate has a smaller hydration number and a small heat capacity than the secondary hydrate, and wherein the secondary hydrate has a larger hydration number and a larger heat capacity than the primary hydrate.
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Citations
18 Claims
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1. A thermal storage apparatus for using a hydrate thermal storage medium comprising:
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(a) a storage tank for storing a cooling medium liquid; (b) a refrigerating machine, connected with the storage tank via a pipe for cooling the cooling medium liquid, the cooling medium liquid circulating between the storage tank and the refrigerating machine; and (c) a thermal storage body immersed in the cooling medium liquid, wherein the thermal storage medium comprises a hermetically sealed container containing an aqueous solution which generates at least one hydrate selected from the group consisting of a primary hydrate and a secondary hydrate, wherein the primary hydrate has a smaller hydration number and a smaller heat capacity than the secondary hydrate, and wherein the secondary hydrate has a larger hydration number and a larger heat capacity than the primary hydrate. - View Dependent Claims (2)
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3. A hydrate cold thermal storage transporting medium comprising:
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an aqueous solution containing a guest compound to generate hydrate particles to create a hydrate slurry by cooling; and a corrosion inhibitor having a concentration of 5,000 wt. ppm or less. - View Dependent Claims (4)
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- 5. A hydrate thermal storage medium comprising an aqueous solution containing a guest compound which generates by cooling the aqueous solution at least one hydrate selected from the group consisting of a primary hydrate and a secondary hydrate, wherein the primary hydrate has a smaller hydration number and a smaller heat capacity than the secondary hydrate, and wherein the secondary hydrate has a larger hydration number and a larger heat capacity than the primary hydrate.
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7. A method for producing a hydrate thermal storage medium comprising the steps of:
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(a) preparing an aqueous solution containing a guest compound; and (b) cooling the aqueous solution to generate at least one hydrate selected from the group consisting of a primary hydrate and a secondary hydrate, wherein the primary hydrate has a smaller hydration number and a smaller heat capacity than the secondary hydrate, and wherein the secondary hydrate has a larger hydration number and a larger heat capacity than the primary hydrate. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A hydrate thermal storage medium comprising:
an aqueous solution contained in a hermetically sealed container to generate at least one hydrate selected from the group consisting of a primary hydrate and a secondary hydrate, wherein the primary hydrate has a smaller hydration number and a smaller heat capacity than the secondary hydrate, and wherein the secondary hydrate has a larger hydration number and a larger heat capacity than the primary hydrate. - View Dependent Claims (14, 15)
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16. A hydrate cold thermal storage transporting medium comprising:
a primary hydrate and a secondary hydrate, wherein the heat capacity than the secondary hydrate, and wherein the secondary hydrate has a larger hydration number and a larger heat capacity than the primary hydrate. - View Dependent Claims (17, 18)
Specification