CN1618721A - 液化天然气或液化石油气终端设备的建造方法 - Google Patents
液化天然气或液化石油气终端设备的建造方法 Download PDFInfo
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Abstract
所述GNL或GPL终端设备(3)的建造方法,所述终端设备包括一外部结构体(7)及至少一容器(11;11a,11b,11c),其特征在于,它包括以下阶段:—建造所述外部结构体(7),—同时、独立建造所述容器(11),—所述外部结构体(7)及所述容器的建造完工或即将完工时,使所述外部结构体(7)及所述容器(11)漂浮,—通过漂浮使所述容器(11)进入所述外部结构体(7)里,并—把所述容器(11)固定在所述外部结构体(7)内。
Description
技术领域
本发明涉及液化天然气或液化石油气终端设备的建造方法、一外部结构体和可实施所述方法的一容器、以及包括所述结构和所述容器的一终端设备。
背景技术
从现有技术中公知液化天然气(GNL)或液化石油气(GPL)终端设备,所述终端设备可把所述液体装在船上(用于GNL的天然气运输船),或把所述液体从船上卸下,再重新作气化处理,通过输气管输送到地面。
所述终端设备——可为重力型(海底深度较浅)或漂浮式(海底很深),通常包括一水泥、钢或钢+水泥的外部结构体,所述结构内装有圆柱形、棱柱形或球形金属容器或胆式容器(réservoirs àmembrane)。
所述结构造好或即将完工时,所述大型容器可装配在水泥结构内。
所述终端设备的建造周期一般相对较长,本发明的目的尤其在于提出一种方法,以明显缩短所述建造周期。
发明内容
本发明通过采用一种GNL或GPL终端设备建造方法,以实现所述目的,根据所述方法,终端设备包括一外部结构体及至少一容器,其特征在于,它包括以下阶段:
—建造所述外部结构体,
—同时并独立建造所述容器,
—所述外部结构体及所述容器的建造完工或即将完工时,使所述外部结构体及所述容器漂浮,
—通过漂浮使所述容器进入所述外部结构体内,并
—把所述容器固定在所述外部结构体内。
所述方法可把容器漂移当成一种运输方法,无论所述容器多大,这都可使其进入终端设备的外部结构体内,形成一整体件。
由于所述方法,因此完全可同时一方面建造外部结构体,另一方面建造终端设备的容器,这样可缩短关键路程,因而可缩短整个建造周期。
另外,根据本发明的方法可考虑在不同的专门工地上,一方面建造外部结构体,另一方面建造容器,这样可实现最佳成本、质量及安全标准。
根据本发明的方法的其它可选特征,
—所述方法包括附加阶段,所述阶段在于:改变所述外部结构体和所述容器的相对漂浮条件,以把所述容器固定在所述外部结构体内,
—保持所述外部结构体呈漂浮状态,
—把所述外部结构体靠放在海底,
—所述方法包括附加阶段,此阶段在于把所述容器封闭在所述外部结构体内,
—所述方法包括附加阶段,所述阶段在于:抽干所述外部结构体内的海水,使所述容器与海洋隔开,
—所述方法包括补充阶段,所述阶段在于:在建造容器时,把设备安装在所述容器上。
本发明还涉及实施根据上述方法的终端设备的外部结构体,其特征在于,它符合前面所描述的特征,完工后可接收所述容器。
根据所述外部结构体的其它可选特征:
—它有一《U》形横向截面,
—它为重力型,
—它由一从如下组类中选取的材料形成:水泥、钢、或水泥+钢,
—它包括封闭装置,
—所述封闭装置从包括一密封隔离箱和一门的组类中选择,所述封闭装置由一从包括金属合金和水泥的组类中选取的材料形成。
—所述封闭装置包括密封装置,所述密封装置可安插在所述外部结构体壁和所述容器壁之间。
本发明还涉及一容器,所述容器可装配符合上述特征的终端外部结构体,其特征在于,一旦建造好后,它是漂浮的,并适合于安装在所述外部结构体内。
根据所述容器的其它可选特征:
—所述容器具有在如下组类中选取的形体:平行六面体、圆柱体、棱柱体或球形体,
—根据所选壳体类型,所述容器从如下组类中选取:双层壳金属容器,和具有隔热层及内胆的单层壳金属容器。
—它包括从如下组类中选取的设备:处理装置、通用设备及居住区。
本发明还涉及一GNL或GPL终端设备,其特征在于,它包括根据上述方法的一外部结构体,及根据前面所描述的至少一容器。
附图说明
本发明的其它特征及优点将在后文参照附图所作的描述中体现出来。附图中:
—图1示出停靠在根据本发明的GNL/GPL终端设备处的船只剖面图,
—图2为图1所示部件的俯视图,及
—图3类似于图2,包括根据本发明终端设备的一变型。
具体实施方式
图1、2示出停靠在根据本发明的终端设备3处的船只,如天然气运输船。
连接船1和终端设备3的管道5可把液体如GNL或GPL从一端输送到另一端。
在图1、2所示的实施例中,终端设备3包括一重力型(gravitaire)外部结构体7,所述外部结构体如由水泥形成,靠置在海底9。
在所述外部结构体内——如图1所示所述结构有一朝上的U型开口截面,安装有一大致为平行六面体的金属容器11,其形状正符合外部结构体7确定的腔。
金属容器11通过相应机械装置13(焊接、螺栓装配、拉杆等),放在外部结构体7的底部上。
容器11上安装有设备15,所述设备可包括处理装置、通用设备(管线网……)及居住区。
在图1、2所示的实施例中,在由外部结构体7确定的腔中的海水,必要时,可用泵抽出去。
可能的话,借助一些装置,可把所述腔和海水完全隔离开,所述装置可能为插在所述腔内壁和容器11之间的密封垫圈17,或为一钢或水泥密封隔离箱19。
根据所选外壳类型,金属容器11为带隔热、内胆的双层或单层壳金属容器。
另外,所述容器的设计可使其能漂浮。
在图3所示变型中,一体容器11被放在由外部结构体7限定的腔内的三个大致圆柱形容器11a、11b和11c代替。
还可看到,在所述变型中,密封隔离箱19足够厚,可接收设备15。
还可看到,密封垫圈17安放在活动门21和结构7内壁之间。
刚描述过的终端设备3的建造方式采用以下方式进行。
此处,以图1、2所示变型为例描述,当然,图3所示终端设备的建造方式完全相同。
可以平行、独立的方式,在不同工地建造外部结构体7和容器11。
外部结构体7造好后,或通过使其漂浮的方式,或通过压载将其靠放海底9的方式,使其漂浮在开采地点。
若容器11的结构非常先进,使得所述容器可漂浮,则也可将其漂浮,并通过浮动(如用拖船)方式使其进入外部结构体7形成的腔内。
所述容器进入所述腔内后,通过压载所述容器或减载所述外部结构体7,使所述容器安放在所述腔底,再用相应机械装置13将其固定在所述腔底。
所述容器11放入外部结构体7内后,利用垫圈17及/或隔离箱19及/或门21,隔离所述结构限定的腔。
因而,有利地是,可抽完容器和结构7内壁之间的水(若必要)。
再在外部结构体7上的设备和容器11上的设备15之间建立连接。
如前所述,一方面,外部结构体7的建造,另一方面,容器11a、11b和11c的建造,可同时完全独立地、并极可能在各自的专门工场上实施。
这样可缩短关键路程(chemin critique),因此即缩短终端设备3的总建造周期。
另外,若为建造外部结构体7和容器11而使用不同的专门工地,可实现最佳的质量及安全成本。
可看出,从物理上分离根据本发明的终端设备内的外部结构体7和容器,可克服存储液体如GNL或GPL时,对外部结构体7的特殊限制。
还可看到,抽空外部结构体7限定的腔内海水的方法是最佳的,因为它可方便维护容器必要时,也方便检测、修复渗泄,并可减少机械固定装置13的数量及/或尺寸。
当然,本发明并不局限于前面参照附图、以非限制性方式举例描述的所述实施方式。
因此,例如,外部结构体7可不是重力型,即不必放在海底。
因此,当海底很深时,可考虑把本发明应用于FPSO漂浮型外部结构体7。
因此,放在由终端设备的外部结构体确定的腔内的容器,可为任何类型,可为不同于上述形状的其它任何形状。
例如,容器可为球形或棱柱形。
Claims (19)
1.GNL或GPL终端设备(3)的建造方法,所述终端设备包括一外部结构体(7)及至少一容器(11;11a,11b,11c),其特征在于,所述方法包括以下阶段:
-建造所述外部结构体(7),
-同时并独立地建造所述容器(11;11a,11b,11c),
-所述外部结构体(7)及所述容器(11;11a,11b,11c)的建造完工或即将完工时,使所述外部结构体(7)及所述容器(11;11a,11b,11c)漂浮,
-通过漂浮使所述容器(11;11a,11b,11c)进入所述外部结构体(7)内,并
-把所述容器(11;11a,11b,11c)固定在所述外部结构体(7)内。
2.按照权利要求1所述的方法,其特征在于,它包括附加阶段,所述阶段在于改变所述外部结构体(7)和所述容器(11;11a,11b,11c)的相对浮动条件,以把所述容器(11;11a,11b,11c)固定在所述外部结构体(7)内。
3.按照权利要求1或2所述的方法,其特征在于,保持所述外部结构体(7)呈漂浮状态。
4.按照权利要求1或2所述的方法,其特征在于,把所述外部结构体(7)靠放在海底。
5.按照上述权利要求任一项所述的方法,其特征在于,它包括附加阶段,此阶段在于把所述容器(11;11a,11b,11c)掩蔽和封闭在所述外部结构体(7)内。
6.按照权利要求5所述的方法,其特征在于,它包括附加阶段,此阶段在于抽干所述外部结构体(7)内的海水,使所述容器与海洋环境隔绝。
7.按照上述权利要求任一项所述的方法,其特征在于,所述方法包括附加阶段,此阶段在于可在建造容器时,把设备安装在所述容器(11;11a,11b,11c)上。
8.终端设备(3)的外部结构体(7),用于实施根据上述权利要求任一项的方法,其特征在于,一旦建造好后,所述外部结构体(7)能接收所述容器(11;11a,11b,11c)。
9.按照权利要求8所述的外部结构体(7),其特征在于,它有一《U》形横向截面。
10.按照权利要求8或9所述的外部结构体(7),用于实施根据权利要求4所述的方法,其特征在于,它为重力型。
11.按照权利要求8至10任一项所述的外部结构体(7),其特征在于,它由一从如下组类中选取的材料形成:水泥、钢、和水泥+钢。
12.按照权利要求8至11任一项所述的外部结构体(7),用于实施根据权利要求5所述的方法,其特征在于,它包括封闭装置(19,21)。
13.按照权利要求12所述的外部结构体(7),其特征在于,所述封闭装置从包括一密封隔离箱(19)和一门(21)的组类中选择,所述封闭装置由一从包括金属合金和水泥的组类中选取的材料形成。
14.按照权利要求12或13所述的外部结构体(7),其特征在于,所述封闭装置包括密封装置(17),所述密封装置可安插在所述外部结构体壁和所述容器(11;11a,11b,11c)壁之间。
15.容器(11;11a,11b,11c),用于配备一根据权利要求8至14任一项所述的终端设备(3)的外部结构体(7),以便实施根据权利要求1至7所述的方法,其特征在于,一旦建造好后,它是漂浮的,并适合于安装在所述外部结构体(7)内。
16.按照权利要求15所述的容器(11;11a,11b,11c),其特征在于,其具有在如下组类中选取的形体:平行六面体、圆柱体、棱柱体或球形体。
17.按照权利要求15或16所述的容器(11;11a,11b,11c),其特征在于,根据所选壳体类型,所述容器从如下组类中选取:双层壳金属容器,和具有隔热层及内胆的单层壳金属容器。
18.按照权利要求15至17任一项所述的容器(11;11a,11b,11c),其特征在于,它包括从如下组类中选取的设备(15):处理装置、通用设备及居住区。
19.GNL或GPL终端设备(3),其特征在于,它包括根据权利要求8至14任一项所述的一外部结构体(7),及根据权利要求15至18任一项所述的至少一容器(11;11a,11b,11c)。
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FR0313409 | 2003-11-17 | ||
FR0313409A FR2862272B1 (fr) | 2003-11-17 | 2003-11-17 | Procede de construction d'un terminal pour gaz naturel liquifie ou gaz de petrole liquifie |
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JP (1) | JP2005145448A (zh) |
CN (1) | CN1618721B (zh) |
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CN107075824A (zh) * | 2014-11-27 | 2017-08-18 | 格拉夫漂浮股份公司 | 用于离岸活动的海床终端 |
CN108884647A (zh) * | 2016-04-01 | 2018-11-23 | 胜科海事综合船厂私人有限公司 | 海床基部结构以及用于海床基部结构安装的方法 |
CN111279032A (zh) * | 2016-10-27 | 2020-06-12 | 格拉夫漂浮股份公司 | 港口设备和用于将浮体系泊在港口设备中的方法 |
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FR2894646B1 (fr) * | 2005-12-14 | 2008-02-29 | Doris Engineering | Terminal pour gaz naturel liquefie ou gaz de petrole liquefie,et procede de construction d'un tel terminal |
US7469650B2 (en) * | 2006-02-14 | 2008-12-30 | National Steel And Shipping Company | Method and apparatus for off-hull manufacture and installation of a semi-membrane LNG tank |
MX2009002551A (es) * | 2006-09-11 | 2009-03-20 | Exxonmobil Upstream Res Co | Terminal de importacion de lng de atraque en mar abierto. |
US7896188B2 (en) * | 2007-03-16 | 2011-03-01 | National Steel And Shipbuilding Company | Universal support arrangement for semi-membrane tank walls |
KR101380721B1 (ko) * | 2011-08-31 | 2014-04-02 | 대우조선해양 주식회사 | 해상 가스 저장시설 및 이의 시공방법 |
NO20160906A1 (en) * | 2016-05-26 | 2017-10-30 | Sembcorp Marine Integrated Yard Pte Ltd | Sea bed terminal for drilling |
JP6977244B2 (ja) * | 2016-07-07 | 2021-12-08 | 株式会社大林組 | 水素貯蔵設備 |
US10309071B2 (en) * | 2016-12-21 | 2019-06-04 | Exxonmobil Upstream Research Company | Floatable modular protective harbor structure and method of seasonal service extension of offshore vessels in ice-prone environments |
WO2018175663A2 (en) | 2017-03-21 | 2018-09-27 | Zora Energy Systems, Llc | Systems and methods for shipyard manufactured and ocean delivered nuclear platform |
WO2019183575A1 (en) * | 2018-03-22 | 2019-09-26 | Energie Propre Prodigy Ltee / Prodigy Clean Energy Ltd. | Systems and methods for rapid establishment of offshore nuclear power platforms |
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US3828708A (en) * | 1973-04-09 | 1974-08-13 | B Gerwick | Modular prestressed concrete marine vessels and method of making same |
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- 2003-11-17 FR FR0313409A patent/FR2862272B1/fr not_active Expired - Fee Related
-
2004
- 2004-11-05 IT IT002123A patent/ITMI20042123A1/it unknown
- 2004-11-12 US US10/986,069 patent/US20050139595A1/en not_active Abandoned
- 2004-11-16 CN CN200410092668XA patent/CN1618721B/zh not_active Expired - Fee Related
- 2004-11-16 JP JP2004331988A patent/JP2005145448A/ja not_active Withdrawn
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CN108884647A (zh) * | 2016-04-01 | 2018-11-23 | 胜科海事综合船厂私人有限公司 | 海床基部结构以及用于海床基部结构安装的方法 |
CN108884647B (zh) * | 2016-04-01 | 2020-11-03 | 胜科海事综合船厂私人有限公司 | 浅水基部结构以及用于安装浅水基部结构的方法 |
CN111279032A (zh) * | 2016-10-27 | 2020-06-12 | 格拉夫漂浮股份公司 | 港口设备和用于将浮体系泊在港口设备中的方法 |
CN111279032B (zh) * | 2016-10-27 | 2022-04-05 | 格拉夫漂浮股份公司 | 港口设备和用于将浮体系泊在港口设备中的方法 |
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FR2862272B1 (fr) | 2007-01-26 |
CN1618721B (zh) | 2010-09-08 |
ITMI20042123A1 (it) | 2005-02-05 |
JP2005145448A (ja) | 2005-06-09 |
US20050139595A1 (en) | 2005-06-30 |
FR2862272A1 (fr) | 2005-05-20 |
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