LNG containment system and method of assembling LNG containment system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04B-001/00
E04G-021/00
E04G-023/00
출원번호
US-0903879
(2010-10-13)
등록번호
US-8387334
(2013-03-05)
발명자
/ 주소
Gulati, Kailash C.
Ballard, Thomas A.
Krimotat, Alexander V.
출원인 / 주소
ExxonMobil Upstream Research Company
인용정보
피인용 횟수 :
1인용 특허 :
38
초록▼
An LNG system generally comprises a primary container, and a secondary container positioned around the primary container. The secondary container generally comprises a first end wall, a second end wall, and at least two side walls. At least one of the walls is fabricated from a plurality of prefabri
An LNG system generally comprises a primary container, and a secondary container positioned around the primary container. The secondary container generally comprises a first end wall, a second end wall, and at least two side walls. At least one of the walls is fabricated from a plurality of prefabricated wall panels. Each of the wall panels is fabricated from a combination of concrete and steel. The wall panels are preferably prefabricated offsite, and then transported to the construction site where they are adjoined together in end-to-end fashion to form walls. A method for constructing a full containment LNG system is also provided. In one embodiment, walls and a roof for a secondary container are assembled, but leaving an end open. At least one primary tank is brought into the secondary container. A second end wall is then erected to form the enclosure for the secondary container.
대표청구항▼
1. A method of assembling an LNG full containment system, comprising the steps of: pouring a floor slab of a secondary container fabricated at least in part from concrete;erecting a first end wall on the floor slab;erecting first and second side walls on the floor slab, the first and second side wal
1. A method of assembling an LNG full containment system, comprising the steps of: pouring a floor slab of a secondary container fabricated at least in part from concrete;erecting a first end wall on the floor slab;erecting first and second side walls on the floor slab, the first and second side walls being connected to the first end wall at opposite ends, but being angled relative to the first end wall to leave an opening for receiving a second end wall so that a polygonal enclosure having at least four sides formed, wherein each of the end walls and each of the side walls are formed from a plurality of prefabricated wall panels configured to be adjoined in side-to-side fashion, wherein each of the prefabricated wall panels is formed from a combination of steel and concrete such that the prefabricated wall panel comprises: a concrete plate having a longitudinal axis and an outer surface, andat least one steel beam connected to the outer surface of the concrete plate along the longitudinal axis of the concrete plate,providing a roof structure that is supported at least in part by the side walls;moving a substantially assembled primary container into a secondary container by using the opening for the second end wall as a means of access into the secondary container; anderecting the second end wall so as to enclose the primary container within the secondary container. 2. The method of claim 1, wherein each of the prefabricated wall panels further comprises: a moisture barrier disposed on the concrete plate opposite the at least one steel beam. 3. The method of claim 2, wherein each of the prefabricated wall panels further comprises: an insulation layer along the moisture barrier opposite the at least one steel beam; anda liner plate on the insulation layer. 4. The method of claim 3, wherein the moisture barrier is fabricated from either a metallic material or a polymeric material. 5. The method of claim 1, wherein: the roof structure is fabricated by adjoining prefabricated roof panels in side-to-side fashion, with each of the prefabricated roof panels comprising: a concrete plate having an inner surface, anda steel truss structure connected to the inner surface of the concrete plate. 6. The method of claim 1, wherein said providing a roof structure includes: providing a steel truss structure that is supported at least in part by the side walls;providing a steel plate on top of said steel truss structure; andpouring concrete onto said steel plate thereby forming a concrete plate having an inner surface and a steel truss structure supporting to the inner surface of the concrete plate. 7. The method of claim 1, wherein: the polygon is a four-sided polygon; andthe first and second end walls and the first and second side walls connect together to form a rectangle. 8. The method of claim 1, wherein: the polygon is a six-sided polygon; andthe method further comprises the step of erecting third and fourth side walls on the floor slab, the third and fourth side walls being connected to the first and second side walls, respectively, but also being angled to preserve the opening for receiving the second end wall so that the six-sided polygon may be formed. 9. The method of claim 1, wherein: the primary container comprises a plurality of planar, vertical walls; andfurther comprising the step of fabricating the vertical walls of the primary container at the same time that at least one of the side walls of the secondary container is being erected on the concrete floor slab. 10. A method for assembling an LNG full containment system, comprising the steps of: pouring a floor slab fabricated at least in part from concrete;erecting a plurality of vertical walls on the floor slab by adjoining a plurality of prefabricated wall panels in side-to-side fashion, with each of the prefabricated wall panels being formed from a combination of steel and concrete such that the prefabricated wall panel comprises a concrete plate and at least one steel beam attached to an outer surface of the concrete plate along the longitudinal axis of the concrete plate, but leaving an opening so that the plurality of vertical walls is not enclosed;constructing a roof structure that covers the plurality of vertical walls to provide a roof for a secondary container, the roof structure being assembled by adjoining a plurality of prefabricated roof panels in side-to-side fashion, with each of the prefabricated roof panels being fabricated from a steel truss structure, and at least one concrete plate above the steel truss structure;moving a substantially assembled primary container into a secondary container using the opening between the plurality of vertical walls as a means of access into the secondary container; anderecting at least one final vertical wall on the floor slab so as to form a polygon having at least four sides and so as to enclose the primary container within the secondary container. 11. The method of claim 10, wherein each of the prefabricated wall panels further comprises: a moisture barrier disposed on the concrete plate opposite the at least one steel beam. 12. The method of claim 11, wherein each of the prefabricated wall panels further comprises: an insulation layer along the moisture barrier opposite the at least one steel beam; anda liner plate on the insulation layer. 13. The method of claim 12, wherein the moisture barrier is fabricated from either a metallic material or a polymeric material.
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이 특허에 인용된 특허 (38)
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Arbella Rodolfo C. P. (Gothenburg SEX), Method of erecting large cylindrical storage tanks with a plurality of vertical plate bodies arranged inside one another.
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Gondouin Michel (32 San Marino Dr. San Rafael CA 94901), System, tooling and method of construction of cryogenic tanks for LNG tankers and for LNG storage.
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