A cryogenic liquid storage tank includes a base plate and side wall extending upwardly. The base plate and side wall include an outer leaf enveloping an inner leaf. The outer leaf part of the base plate includes a lower, outer leaf concrete bottom plate on a substrate. The bottom plate is continuous
A cryogenic liquid storage tank includes a base plate and side wall extending upwardly. The base plate and side wall include an outer leaf enveloping an inner leaf. The outer leaf part of the base plate includes a lower, outer leaf concrete bottom plate on a substrate. The bottom plate is continuous with an outer leaf reinforced concrete layer of the outer side wall. An inward surface of the bottom plate and concrete layer of the outer leaf are lined with a continuous outer leaf metallic membrane. A bottom insulation layer is arranged above the outer leaf metallic membrane on the bottom plate. The inner leaf includes an inner leaf concrete bottom layer on the bottom insulation portion. The inner leaf metal membrane is lined with an inner leaf inner concrete layer. The outer leaf hoop stress reinforced outer concrete wall supporting an insulated dome structure.
대표청구항▼
1. A cryogenic liquid storage tank comprising: a planar base plate and a side wall extending upwardly around the base plate, said base plate and side wall comprising: an inner leaf, the inner leaf comprising: an inner leaf outer concrete layer, said inner leaf outer concrete layer being hoop stress
1. A cryogenic liquid storage tank comprising: a planar base plate and a side wall extending upwardly around the base plate, said base plate and side wall comprising: an inner leaf, the inner leaf comprising: an inner leaf outer concrete layer, said inner leaf outer concrete layer being hoop stress reinforced;an inner leaf inner concrete layer; andan inner leaf concrete bottom layer; andan outer leaf generally enveloping the inner leaf, said outer leaf comprising: an outer leaf concrete layer, said outer leaf concrete layer being hoop stress reinforced; anda lower, outer leaf concrete bottom plate,wherein:both the inner leaf and the outer leaf generally form structurally continuous transitions from said base plate to said side wall,said outer leaf concrete bottom plate is formed structurally continuous with the outer leaf concrete layeran inward surface of said outer leaf concrete bottom plate and said outer leaf concrete layer is lined with a metallically continuous outer leaf metallic membrane,a bottom insulation layer is arranged above said outer leaf metallic membrane on said lower, outer leaf concrete bottom plate, said bottom insulation layer being formed generally continuous with a wall insulation filled in an annular cavity between an inner face of said outer leaf and an outer face of said inner leaf,said inner leaf concrete bottom layer is formed on said bottom insulation layer, said inner leaf concrete bottom layer is formed structurally continuous with the inner leaf outer concrete layer, and the inner leaf concrete bottom layer and the inner leaf outer concrete layer are lined with a metallically continuous inner leaf metal membrane,said inner leaf metal membrane is sandwiched between the inner leaf outer concrete layer and the inner leaf inner concrete layer, andsaid outer leaf is configured to support an insulated dome structure. 2. The cryogenic liquid storage tank of claim 1, said outer leaf comprising a sandwich construction with an outer leaf inner concrete layer formed on said outer leaf metallic membrane which are further arranged on said outer leaf concrete bottom plate and said outer leaf concrete layer, said outer leaf inner concrete layer underlying said bottom insulation layer. 3. The cryogenic liquid storage tank of claim 1, said inner leaf inner concrete layer arranged for mechanically stabilizing said inner leaf metal membrane for preventing thermal contraction of said inner leaf metal membrane. 4. The cryogenic liquid storage tank of claim 1, said outer leaf inner concrete layer arranged for mechanically stabilizing said outer leaf metallic membrane preventing thermal contraction of said outer leaf metallic membrane in case of leakage of cryogenic fluid. 5. The cryogenic liquid storage tank of claim 1, wherein a curvature of the side wall in the vertical plane is convex in both the vertical and the horizontal planes. 6. The cryogenic liquid storage tank of claim 5, wherein the side wall is generally vertical at its lower part and curves inwardly at its upper part. 7. The cryogenic liquid storage tank of claim 1, said outer leaf terminating at an upper edge upon which said dome structure rests. 8. The cryogenic liquid storage tank of claim 1, wherein the bottom insulation layer includes no reinforcement. 9. The cryogenic liquid storage tank of claim 1, wherein the inner leaf metal membrane and the outer leaf metallic membrane are configured as fluid barriers to seal cryogenic liquid. 10. A method for constructing the cryogenic liquid storage tank comprising the steps of: forming a planar base plate as a bottom part of an outer leaf, wherein the outer leaf comprises a lower, outer leaf concrete bottom plate,forming an outer leaf metallic membrane overlying said planar base plate,slip forming a hoop stress reinforced outer leaf concrete layer near a periphery of said planar base plate using a slip form, continuing forming said outer leaf metallic membrane extending upwardly along an inner face of said hoop stress reinforced outer leaf concrete layer,slip forming an outer leaf inner concrete layer by using a slip form, said outer leaf inner concrete layer formed along an inner surface of said outer leaf metallic membrane, while slip forming said hoop stress reinforced outer leaf concrete layer,thereby generally slip forming a side wall comprising an inner leaf and the outer leaf extending upwardly near the periphery of the planar base plate,forming outer leaf inner concrete layer,forming an insulation layer having a bottom insulation layer arranged upon said outer leaf inner concrete layer and outer leaf metallic membrane, on said outer leaf concrete bottom layer said insulation layer formed generally continuous with a wall insulation filled annular cavity between the inner face of said outer leaf and an outer face of said inner leaf,wherein:said inner leaf comprises an inner leaf concrete bottom layer on said insulation layer,said inner leaf concrete bottom layer is formed structurally continuous with a hoop stress reinforced inner leaf outer concrete layer,said inner leaf concrete bottom layer and said hoop stress reinforced inner leaf wall outer concrete layer are lined with an inner leaf metal membrane, andsaid outer leaf is configured to support an insulated dome structure.
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이 특허에 인용된 특허 (8)
Bomhard Helmut (Starnberg DEX), Double-walled tank for low-temperature liquids.
Te\eni Moshe (53A Ir Shemesh Street 69 086 Tel Aviv ILX), Flexible protective membrane particularly useful for waterproofing and protecting reinforced concrete bodies and metal p.
Casselman Chantal (Manosque FRX) Malet Jean C. (Venelles FRX) Sophy Yvon (Aix en Provence FRX) Pacton Roger (Aix en Provence FRX), Protective structure for the floor of a concrete enclosure having to contain a high temperature fluid.
Andrepont John S. (Naperville IL) Bannon Robert J. (Crest Hill IL) Duff Michael P. (Joliet IL), Storage structures with layered thermal finish covering.
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