KR20190130223A - Floater - Google Patents

Abstract

Provided is a floating structure, which has a dolphin for off-loading. The floating structure includes: a hull; a first supporter formed on a side surface of the hull; a first pile in which one side is interpenetrated into the seabed, in which the other side is coupled to the first supporter, and which supports the hull; a body part delivering a storage object stored in the hull, connected to the side surface of the hull, and floating on the seabed; and an off-loading dolphin having a body support part for mooring the body part. The floating structure performs heave motion along guidance of the first supporter and the first pile.

Description

Floating Structures {Floater}

The present invention relates to a floating structure.

Today, various offshore structures are being built offshore to develop marine resources such as crude oil and natural gas. Since these offshore structures are floating on the sea for a long time, it is necessary to limit their movement or fix their position. For this purpose, the mooring system uses the foundation of piles, anchors, etc. in the offshore structure. ) Is being applied.

Korean Patent Publication No. 10-2014-0048834 (Published: 2014.04.24.)

However, some floating structures, such as floating storage regasification units (FSRUs), require offloading concepts to deliver LNG and cargo stored in the hull to the land.

An object of the present invention is to provide a floating structure having a dolphin for offloading.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

One aspect (aspect) of the floating structure of the present invention for achieving the above object is a hull; A first supporter formed on the side of the hull; A first pile in which one side is inserted into the sea bottom and the other side is coupled to the first supporter to support the hull; And a dolphin connected to a side of the hull and having a body portion floating on the sea surface and a body support for mooring the body portion. 1 Heave motion (heave motion) in accordance with the supporter and the guide of the first pile.

The floating structure, the second supporter formed on the side of the hull; And a second pile coupled to the second supporter and having a body extending from one side and a protrusion formed from one side of the body to the other, the protrusion coupled to the dolphin. According to the second supporter and the guide of the second pile may perform a hib movement.

At least two second supporters may be formed in a line on a side surface of the hull along a length direction of the second pile, and two protrusions may be formed when the second supporter and the second pile are coupled to each other. It may be located between the supporters, and may be implemented to be movable between the two different second supporters.

The second pile may not be intrusive to the sea bottom.

The body support portion may be elongated in the vertical direction from the lower surface of the body portion, or may be elongated while having an inclination from the lower surface of the body portion.

The dolphin, the transport of the storage onshore, the pipeline is formed through the body portion; And a loading arm configured to connect the storage unit and the pipeline in which the storage is stored, including at least one joint.

One side of the first pile penetrating the sea bottom may be formed wider than the other side of the first pile coupled to the first supporter.

Specific details of other embodiments are included in the detailed description and the drawings.

1 is a conceptual diagram of a floating structure according to an embodiment of the present invention.
2 is a reference view for explaining various forms of the first pile constituting the floating structure according to an embodiment of the present invention.
3 is a plan view of a floating structure according to an embodiment of the present invention.
4 is a reference diagram for explaining the offloading dolphin constituting the floating structure according to an embodiment of the present invention.
Figure 5 is a first exemplary view showing a coupling relationship between the hull and offloading dolphin in one embodiment of the present invention.
Figure 6 is a second exemplary view showing a coupling relationship between the hull and offloading dolphin in one embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various forms, and only the embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the art to which the present invention pertains. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

When elements or layers are referred to as "on" or "on" of another element or layer, intervening other elements or layers as well as intervening another layer or element in between It includes everything. On the other hand, when a device is referred to as "directly on" or "directly on" indicates that no device or layer is intervened in the middle.

The spatially relative terms " below ", " beneath ", " lower ", " above ", " upper " It may be used to easily describe the correlation of a device or components with other devices or components. Spatially relative terms are to be understood as including terms in different directions of the device in use or operation in addition to the directions shown in the figures. For example, when flipping a device shown in the figure, a device described as "below" or "beneath" of another device may be placed "above" of another device. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device can also be oriented in other directions, so that spatially relative terms can be interpreted according to orientation.

Although the first, second, etc. are used to describe various elements, components and / or sections, these elements, components and / or sections are of course not limited by these terms. These terms are only used to distinguish one element, component or section from another element, component or section. Therefore, the first device, the first component, or the first section mentioned below may be a second device, a second component, or a second section within the technical spirit of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and / or “comprising” refers to the presence of one or more other components, steps, operations and / or elements. Or does not exclude additions.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art. In addition, the terms defined in the commonly used dictionaries are not ideally or excessively interpreted unless they are specifically defined clearly.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and in describing the present invention with reference to the accompanying drawings, the same or corresponding elements are denoted by the same reference numerals, and the same reference numerals will be used. The description will be omitted.

Floating structures installed in shallow waters are kept mooring to jetty or dolphin. However, this mooring method does not significantly restrain the movement of the floating structure, so if a typhoon occurs, the mooring line must be removed and the floating structure must be evacuated. As one of methods for solving this problem, a piling mooring method using a file has been proposed.

1 is a conceptual diagram of a floating structure according to an embodiment of the present invention.

Floating structure 100 according to an embodiment of the present invention is mooring the hull 110 by using a pile and a supporter. That is, the floating structure 100 uses pile mooring when mooring the hull 110.

Pile mooring can reduce installation time and installation costs compared to conventional mooring systems that require the construction of jetties, dolphins and other facilities, and withstand higher environmental loads than conventional mooring systems because they significantly constrain the movement of hull 110. I can make it.

The floating structure 100 also includes a dolphin and a pipeline on the side for offloading.

Referring to FIG. 1, the floating structure 100 according to an embodiment of the present invention includes a first pile 120, a first supporter 130, and an offloading dolphin 140.

The first pile 120 is in the form of a column and is connected to the side of the hull 110 to penetrate the ground of the seabed to moor the hull 110. However, the present embodiment is not limited thereto. For example, the first pile 120 may penetrate the ground of the seabed through the hull 110.

The first pile 120 may be formed of a material having excellent durability to effectively support the hull 110 without being easily damaged by external pressure (ex. Waves). For example, the first pile 120 may be formed of steel.

A plurality of first piles 120 may be provided to moor the hull 110. For example, the first pile 120 may be provided in plural on one side of the hull 110. However, the present exemplary embodiment is not limited thereto, and one first pile 120 may be provided at one side of the hull 110.

The first pile 120 may be provided at both sides of the hull 110. At this time, the number of the first pile 120 provided on each side of the hull 110 may be one or more (two or more). In addition, although the same number of first piles 120 may be provided at both sides of the hull 110, the present embodiment is not necessarily limited thereto.

The first pile 120 may be provided not only on both sides of the hull 110 but also in front and rear. In this case, as in the above case, the number of the first piles 120 provided on each side of the hull 110 may be one or more (two or more). In addition, each side of the hull 110 may be provided with the same number of the first pile 120, the present embodiment is not necessarily limited thereto. In this embodiment, in order to effectively moor the hull 110, it is preferable that the first pile 120 is provided in at least one pair on at least both sides of the hull 110.

The first pile 120 may be formed in a cylindrical shape having a circular cross section. However, the present embodiment is not limited thereto. For example, the first pile 120 may be formed in the shape of an elliptic cylinder having an elliptical cross section, or may be formed in the shape of a polygonal pillar having a polygonal cross section.

In order to prevent the first pile 120 from being easily detached from the ground of the seabed, one end portion embedded in the ground of the seabed is preferably formed wider than the other end portion as shown in FIG. For example, the first pile 120 may be formed in a ㅗ shape as shown in (a) of FIG. 2, and may be formed in a Δ shape as shown in (b) of FIG. 2, or (c) of FIG. 2. It is also possible to form in the form ↓ as shown. However, the present embodiment is not limited thereto. As an example, as shown in FIG. 2D, an anchor 200 may be coupled to one end of the first pile 120.

This will be described with reference to FIG. 1 again.

The first pile 120 may be mounted on the hull 110. In this case, the first pile 120 may be used to move to the place where the hull 110 is to be moored while being mounted on the hull 110 and to moor the hull 110 at the corresponding place. However, the present embodiment is not limited thereto, and the first pile 120 may not be mounted on the hull 110, but may be installed in advance at a place where the hull 110 is to be moored.

The first supporter 130 is formed on the side of the hull 110, and serves to moor the hull 110 in combination with the first pile 120 intruding into the ground of the seabed. The first supporter 130 restrains horizontal movement (ex. Surge, sway, etc.) of the hull 110 through engagement with the first pile 120. However, the first supporter 130 does not restrain the vertical movement (ex. Heave) of the hull 110. When the hull 110 is moored at sea through the fastening of the first pile 120 and the first supporter 130, the heavy motion is guided by the guide of the first pile 120 and the first supporter 130. ) Can be performed.

The first supporter 130 has a circumference of the first pile 120 when the first pile 120 is in close contact with the side of the hull 110 to fix the hull 110 through engagement with the first pile 120. It may be formed in a form surrounding the. In this case, the first supporter 130 may be formed to surround the circumference of the first pile 120 in the form of c. However, the present embodiment is not limited thereto. For example, the first supporter 130 may be formed in a semicircle shape or a hat shade shape.

The first supporter 130 has a through hole formed therein to allow insertion of the first pile 120. 3 is a plan view of a floating structure according to an embodiment of the present invention.

Referring to FIG. 3, both sides of the first supporter 130 may be fixed to the side surface of the hull 110. In this case, the first file 120 may be inserted by moving downward from the upper side through the through hole 131 of the first supporter 130. However, the present embodiment is not limited thereto. For example, the first supporter 130 may be fixed to the side of the hull 110 by using a hinge. In this case, the first file 120 may be inserted into the through hole 131 of the first supporter 130 by moving to the left or right when one side of the first supporter 130 is opened by the hinge. . On the other hand, one side of the first supporter 130 is preferably equipped with a locking device to be fastened to the side of the hull 110 after the first pile 120 is inserted.

This will be described with reference to FIG. 1 again.

In consideration that the first supporter 130 is coupled to the first pile 120, the first supporter 130 may be provided on the side of the hull 110 as many times as the first pile 120. However, the present embodiment is not limited thereto. Since two or more first piles 120 may be coupled to one first supporter 130, the first supporter 130 may have a smaller number of hulls 110 than the first pile 120 in view of this point. It is also possible to be provided on the side of the). In this case, the manufacturing cost associated with the first supporter 130 may be reduced.

Meanwhile, in the present embodiment, in order to improve the binding force of each first pile 120 with respect to the hull 110, one first pile 120 is coupled with a plurality of first supporters 130 arranged in a line. It is also possible. In this case, the plurality of first supporters 130 may be formed in a line in the vertical direction at a predetermined interval from one side of the hull 110. The plurality of first supporters 130 may be formed at the same interval, but may be formed at different intervals.

Like the first pile 120, the first supporter 130 may be formed of a material having excellent durability so as not to be easily damaged. However, when both the first supporter 130 and the first pile 120 are formed of iron, each time the first pile 120 moves in the first supporter 130 due to waves, tsunamis, etc. A friction force may be generated between the supporter 130 and the first pile 120 to wear out the first supporter 130 and the first pile 120. In this embodiment, in consideration of this aspect, it is also possible to attach a material to reduce the frictional force on the inner peripheral surface of the first supporter 130, the through-hole 131 is formed. For example, a cushioning material such as a sponge may be attached to the inner circumferential surface of the first supporter 130.

The offloading dolphin 140 is for delivering cargo, gas (ex. LNG), etc. stored in the hull 110 to the land. In this embodiment, the offloading dolphin 140 is formed to be connected to one side of the hull 110.

The offloading dolphin 140 may include a body portion 141, a body support 142, a loading arm 143, and a pipeline 144. 4 is a reference diagram for explaining the offloading dolphin constituting the floating structure according to an embodiment of the present invention. The following description refers to FIGS. 1 and 4.

The body portion 141 floats on the sea surface, and forms the body of the offloading dolphin 140. Body portion 141 is preferably formed of a durable material (ex. Steel) so as not to be easily damaged by external pressure (ex. Waves).

The body portion 141 may be formed in a container shape having a flat upper surface. However, the present exemplary embodiment is not limited thereto, and the body 141 may be formed in a flat plate shape or a hollow box shape.

The body support part 142 supports the body part 141 so that the body part 141 can float on the sea surface. Body support 142 is one side is coupled to the bottom surface of the body portion 141 for this purpose and the other side is inserted into the seabed (seabed). However, the present embodiment is not limited thereto, and the body support 142 may support the body 141 on the sea bottom. The body support part 142 may be formed as shown in (a) to (d) of FIG. 2 when it is inserted into the sea bottom.

Like the body portion 141, the body support portion 142 is preferably formed of a material having excellent durability so as not to be easily damaged by external pressure.

The body support part 142 may be formed in plural to effectively support the body part 141. The pair of body supports 142 may be formed at positions corresponding to each other so that the body portion 141 is not inclined to one side. Body support 142 is preferably formed in an even number in this embodiment in consideration of this aspect.

The body support part 142 may be formed long in the vertical direction from the bottom surface of the body part 141. However, the present exemplary embodiment is not limited thereto, and the body support part 142 may be formed to be elongated at an angle in an outward direction from the bottom surface of the body part 141. When the body support 142 shown in FIG. 1 is the former (it is formed long in the vertical direction from the bottom surface of the body 141), and the body support 142 shown in FIG. 4 is the latter (body It is an example of the elongated inclined by a predetermined angle in the outward direction from the bottom surface of the portion 141).

The loading arm 143 is for discharging the gas and the like stored in the storage tank (not shown) of the hull 110 to the land, one side is connected to the storage tank and the other side is connected to the pipeline 144.

The loading arm 143 may be formed in the form of a pipe so that gas does not leak to the outside during delivery. In addition, the loading arm 143 may be formed of a material having excellent durability so as not to be easily broken from an external impact. For example, the loading arm 143 may be formed in a pipe shape using metal or steel (ex. Carbon steel) in consideration of the above-described aspects.

The loading arm 143 may be formed in a shape including one joint (eg, a ∧ shape). The loading arm 143 may be formed in such a shape to interconnect the upper surface of the storage tank and the upper surface of the body portion 141 without penetrating the side surface of the hull 110. The loading arm 143 may be formed in a shape including two or more joints (eg, a ∩ shape or a P shape). However, the present embodiment is not limited thereto, and the loading arm 143 may have a straight shape and may be connected to the side of the body portion 141 through the side of the hull 110 from the side of the storage tank.

The pipeline 144 is for discharging the gas and the like stored in the storage tank of the hull 110 together with the loading arm 143 to the land, one side is connected to the loading arm 143 and the other side is provided on the land Is connected to a storage tank.

The pipeline 144 may be formed through the body 141 and connected to the loading arm 143. The pipeline 144 may also be interconnected with the loading arm 143 inside the body 141.

The pipeline 144, like the loading arm 143, is preferably formed so that gas does not leak during delivery, and is preferably formed of a material having excellent durability so as not to be easily damaged by an external impact. The pipeline 144 may be formed of metal or steel, and may be connected to the land along the sea bottom in consideration of its size and weight. That is, the pipeline 144 may be formed in a N-shape, and may be formed in a straight shape from the inside of the body portion 141 to the sea bottom in a vertical direction, and may be formed in a horizontal shape from the sea bottom to the land in a horizontal direction.

Meanwhile, the pipeline 144 may be connected to the land along the sea level. In this case, the pipeline 144 preferably has legs at predetermined intervals to support its weight.

The offloading dolphin 140 may be connected to one side of the hull 110 through a connection member of a predetermined length to transport the gas regasified in the hull 110 to the land. In this case, only the other side of the hull 110 in which the offloading dolphin 140 is not positioned may be supported on the sea bottom using the first pile 120. However, the present embodiment is not limited thereto, and as shown in FIG. 3, the hull 110 on which the offloading dolphin 140 is located, together with the other side of the hull 110 on which the offloading dolphin 140 is not located. One side may be supported on the sea bottom using the first pile 120.

The offloading dolphin 140 may alternatively be connected to the side of the hull 110. This will be described below.

5 is a first exemplary view showing a coupling relationship between the hull and the offloading dolphin in an embodiment of the present invention, Figure 6 is a second exemplary view showing a coupling relationship between the hull and the offloading dolphin in an embodiment of the present invention. to be.

First, a first example will be described with reference to FIG. 5.

In a first example, the offloading dolphin 140 may be connected to the hull 110 using a pile.

On one side of the hull 110 is formed a second supporter 153 for fastening with the second pile 152. The second supporter 153 may be formed of the same material as the first supporter 130 and may be formed in the same shape as the first supporter 130.

The second supporter 153 is preferably provided in plurality in order to increase the coupling force with the second pile 152.

The second pile 152 may be formed of the same material as the first pile 120. The second pile 152 includes a protrusion 154 protruding on one side to be connected to the offloading dolphin 140. The protrusion 154 protrudes in the other direction from the body of the second pile 152 formed long in one direction.

Unlike the first pile 120, the second pile 152 may not be formed by being inserted into the sea bottom. However, the present exemplary embodiment is not limited thereto, and the second pile 152 may also be formed by intruding into the sea bottom like the first pile 120.

The protrusion 154 couples the second pile 152 and the body portion 141 of the offloading dolphin 140 to each other. The protrusion 154 may be integrally formed with the second pile 152 and the body portion 141. However, the present exemplary embodiment is not limited thereto, and the protrusion 154 may be formed to be detachable from both the second pile 152 and the body portion 141, or any one of the second pile 152 and the body portion 141 may be used. It is also possible to be formed to be separated from.

Attaching the pile to the offloading dolphin 140 according to the first example, connecting the attached pile and the hull 110, while controlling the movement of the hull at the same time loading arm 143 installed on the offloading dolphin 140 By using the off-loading effect can be obtained in parallel. That is, in the part without the offloading dolphin 140, the first pile 120 extending to the sea bottom is disposed to fix the hull 110, and in the part connected with the offloading dolphin 140, the second pile 152. Using the attached offloading dolphin 140 to control the hull movement, the gas can be sent to the land using the loading arm 143 and the pipeline 144 installed on the offloading dolphin 140.

Next, a second example will be described with reference to FIG. 6.

In the second example, the offloading dolphin 140 may be connected to the hull 110 using the elastic material 155.

The elastic material 155 serves as a cushioning material between the hull 110 and the offloading dolphin 140, and may be formed as a fender in the present embodiment.

The elastic material 155 may be connected to the body portion 141 of the offloading dolphin 140 through the second connection member 156. The elastic material 155 may be attached to one side of the hull 110 by using an adhesive component. However, the present exemplary embodiment is not limited thereto, and the elastic material 155 may be attached to one side of the hull 110 and then fastened to the second connection member 156.

According to the second example, when the offloading dolphin 140 is connected to the hull 110 using the elastic material 155, the offloading dolphin 140 may collide with the offloading dolphin 140 that may be generated by the horizontal movement of the hull. The impact can be alleviated to prevent damage.

In the case of a floating regasification plant (FSRU) with pile mooring, an offloading system for transporting the regasified gas on land is essential. This embodiment is for this purpose, and proposes a float mooring floater having an offloading dolphin 140 as described above with reference to FIGS. 1 to 7.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. You will understand that. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

100: floating structure 110: hull
120, 152: File 130, 153: Supporter
140: off-loading dolphin 141: body
142: body support 143: loading arm
144: pipeline 151, 156: connecting member
154: protrusion 155: elastic material
200: anchor

Claims (7)

hull;
A first supporter formed on the side of the hull;
A first pile in which one side is inserted into the sea bottom and the other side is coupled to the first supporter to support the hull; And
An offloading dolphin for transporting the storage stored in the hull, which is connected to the side of the hull and has a body portion floating on the sea surface and a body support for mooring the body portion.
Including;
And a heavy motion in accordance with the guide of the first supporter and the first pile. The method of claim 1,
A second supporter formed on a side of the hull; And
A second pile having a body coupled to the second supporter, the body extending in one direction, and a protrusion protruding from one side of the body and coupled to the offloading dolphin;
More,
The offloading dolphin is in a floating structure, the second supporter and the movement of the second pile along the guide. The method of claim 2,
At least two second supporters are formed in a line on a side surface of the hull along a length direction of the second pile,
The protrusion is positioned between two different second supporters when the second supporter and the second pile are coupled, and movable between the two different second supporters. The method of claim 2,
The second pile is not intrusive to the sea floor. The method of claim 1,
The body support portion is formed long in the vertical direction from the lower surface of the body portion, or is formed long with an inclination from the lower surface of the body portion, floating structure. The method of claim 1,
The offloading dolphin,
A pipeline for transporting the storage to the land, the pipeline being formed through the body portion; And
A loading arm that connects the storage unit and the pipeline in which the storage is stored and includes at least one joint.
Further comprising, a floating structure. The method of claim 1,
One side of the first pile is inserted into the sea bottom is formed wider than the other side of the first pile coupled to the first supporter, floating structure.

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