In-ground storage arrangement for liquefied gases专利检索-液化天然气燃料气体燃料燃料种类专利检索查询-专利查询网

In-ground storage arrangement for liquefied gases

阅读：43发布：2023-05-20

专利汇可以提供In-ground storage arrangement for liquefied gases专利检索，专利查询，专利分析的服务。并且A large-scale in-ground storage facility for liquefied gas at cryogenic temperatures consists of an open cavity in the ground covered by an impervious roof sealed at its periphery to a ringbeam extending around the rim of the cavity, which is also sealed to the upper rim of the wall of the cavity. The ring-beam rests on a support structure which extends around the mouth of the cavity, and the ring-beam is mounted on the support structure by thermal expansion means which permit limited relative movement between the ring-beam and its support structure to accommodate thermal expansion and contraction.，下面是In-ground storage arrangement for liquefied gases专利的具体信息内容。

权利要求

1. A. A large-scale in-ground storage tank for liquefied gas, of the kind comprising an open cavity in the ground covered by an impervious roof 8, b. a support structure extending around the mouth of the tank for supporting said roof 3, 4, c. means for sealing said roof to provide a pressure-tight space above the tank, said sealing means comprising: d. a ring-beam 6 extending around the periphery of said roof, e. pressure-tight means 7 sealing said ring-beam to said roof, f. an impervious sheet 19, 21, 22 extending continuously between said ring-beam and the upper wall of the tank, g. expansion means between said ring-beam and said support structure to permit limited relative movement between them.

2. The invention according to claim 1, h. wherein said expansion means mount and retain said ring-beam on said support structure and comprise bolt means passing through radial slot means to permit relative expansion and contraction in the direction of the slots.

3. The invention according to claim 2, i. said tank comprising an impervious membrane sheet lining the cavity.

4. The invention according to claim 3, j. and a lining of thermal insulation between said membrane sheet and the wall of the cavity.

5. The invention according to claim 1, k. wherein the cavity wall is faced with a layer of concrete.

6. The invention according to claim 5, i. wherein the support structure comprises a number of box sections 5 supported above the ground surface on the upper ends of pillars which are rigidly anchored to the upper surface of said layer of concrete.

7. The invention according to claim 1, h. including vertical beams within said cavity adjacent the side wall thereof, said beams extending from a point below the bottom of the cavity and supporting and locating the membrane sheet lining the cavity.

8. The invention according to claim 7, i. wherein the vertical beams extend to and are attached at their ends to the roof structure.

9. The invention according to claim 3, j. wherein the inner face of said ring-beam 6 is of a greater diameter than the cavity 1 k. and is supported above the ground level by said support structure 3, 4 l. and said impervious sheet comprises a substantially horizontal annular portion 19 extending radially outward from the mouth of the cavity, m. and a substantially vertical cylindrical portion 21 extending from the outer periphery of said annular portion to said ring-beam.

10. The invention according to claim 9 n. wherein the support structure comprises a box section 5 supported above the ground surface on the upper ends of freeze pipes which extend upwardly from the ground and are spaced around the mouth of the cavity.

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In-ground storage arrangement for liquefied gases

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