KR20140046624A - Electromagnetic mooring system of mining ship and its mooring method - Google Patents

Abstract

Disclosed is a mooring system of a mining ship. The mooring system includes a cargo hold storage provided in a hull to accommodate detachable cargo hold, and an electromagnet unit installed on the cargo hold storage to detachably connect the detachable cargo hold to the hull. Since the electromagnet unit is installed on the hull to moor the detachable cargo hold, the mooring system can control the six degree of freedom motion of the ship at once, can remarkably reduce the berthing time and the deberthing time, and can minimize manpower input required for the berthing. If the detachable cargo hold is inserted in the cargo hold storage, the electromagnet unit is withdrawn from the hull, thereby effectively preventing damage caused by the collision between the electromagnet unit and the detachable cargo hold.

Description

Electromagnet mooring system of mining ship and mooring method of mining ship {ELECTROMAGNETIC MOORING SYSTEM OF MINING SHIP AND ITS MOORING METHOD}

The present invention relates to an electromagnet mooring system for a mining ship and a mooring method for a mining ship, and more specifically, it is possible to moor a separate cargo hold by installing an electromagnet device on the ship's mother body to control six degrees of freedom motion of the ship at once. The present invention relates to an electromagnet mooring system for a mining vessel and a mooring method for a mining vessel.

In the deep sea, a lot of useful minerals such as manganese nodules are distributed, a ship for mining deep sea minerals, that is, a ship for mining has been developed.

In general, a mining vessel includes a light collecting device and a light lifting device.

The light collecting device is configured to collect minerals in the seabed surface layer, in particular manganese nodules, while driving in the deep seabed garden. The lifting device is configured to lift the collected minerals onto the vessel.

Usually, the light collecting device includes an underwater robot, which collects minerals by suction while traveling on the sea floor. The underwater robot is remotely controlled by receiving power from the ship. The lifting device is collected by the collecting device and transfers the minerals temporarily stored in the bumper (or intermediate reservoir) to the cargo hold of the ship using a lifting pipe and a high lift slurry pump. The positive tube is generally made of a flexible tube.

Such a mining vessel may have a structure substantially similar to that of an oil rig, but since minerals collected from the deep sea have a greater proportion than oil, they are limited in the operation of cargo holds for storing minerals. The cargo hold installed in the vessel has a large restriction in increasing the size, that is, the storage capacity, due to the predetermined vessel size.

Further, since the amount of minerals collected can not exceed the storage capacity of the cargo hold, if the minerals storage amount in the cargo hold is above a certain level, further mining and / or lightening processes can not be performed. it's difficult.

In addition, a separate conveyor unloading system is required to transport the minerals mined by the mining vessel to other mineral transport vessels. In addition, in the operation of conventional mining vessels, during the lifting or unloading of the mineral, the mineral may cause physical damage to the cargo hold.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object thereof is to provide an electromagnet mooring system for a mining ship and an mooring method for a mining ship in which an electromagnet device is installed on a ship mother body so as to control six degrees of freedom motion of a ship at a time. have.

In order to achieve the above object, the electromagnet mooring system of the mining vessel of the present invention is a mooring system of the mining vessel for mining, lifting, and storing the minerals on the sea surface of the sea surface, cargo hold accommodation portion formed in the mother ship to accommodate the separate cargo hold; It is installed in the cargo hold portion includes an electromagnet device for detachably connecting the removable cargo hold to the ship base.

The electromagnet device may be located at any one of the stern or bow of the vessel mother.

The separate cargo hold may be a self-supporting cargo hold which can sail by itself.

It is preferable that the self-supporting cargo hold has a streamlined shape.

A collision avoidance device may be installed to prevent a collision between the split cargo hold and the ship's mother during a docking or undocking process for mooring the split cargo hold onto the ship's mother or releasing the mooring.

The electromagnet device is configured to be drawn inside the ship's mother body to avoid a collision when the detachable cargo hold approaches the cargo hold receiving portion and then to be withdrawn within the ship's mother body when the split cargo hold is inserted into the cargo hold receiving portion. .

The electromagnet device may be configured to draw in and out inside the ship body by a hydraulic cylinder.

The electromagnet device may be configured to be withdrawn from inside the vessel body by a moving screw.

As described above, the present invention can install the electromagnet device on the ship's mother base can hold the separate cargo hold, can control the six degrees of freedom motion of the ship at once, can greatly reduce the eyepiece and berthing time, berthing Minimize manpower input.

In addition, the present invention can be effectively prevented from being damaged by the collision with the separate cargo hold because the electromagnet device is drawn inside the ship mother, when the separate cargo hold is inserted into the cargo hold receiving portion is drawn out from the inside of the ship mother.

1 is a perspective view showing an electromagnet mooring system of a mining vessel and a mining vessel according to the present invention
2A and 2B are sectional views showing an electromagnet mooring system for a mining vessel.
3A and 3B are plan views showing an electromagnet mooring system for a mining vessel.
Figure 4 is a view showing an example of the collision avoidance structure of the separate cargo hold
5 is a view showing another example of the collision avoidance structure of the split cargo hold
Figure 6 is a view for explaining the mooring method of the split cargo hold in the mining ship according to the invention

Hereinafter, with reference to the accompanying drawings will be described in detail the electromagnet mooring system and the mooring method of the mining ship according to a preferred embodiment of the present invention.

1 is a perspective view showing an electromagnetism mooring system of a mining vessel and a mining vessel according to the present invention, Figures 2a and 2b is a cross-sectional view showing an electromagnet mooring system of a mining vessel, Figures 3a and 3b is an electromagnet mooring of a mining vessel A plan view of the system.

First, referring to FIG. 1, the mining vessel according to the present invention is a vessel used to collect various seabed mineral resources, most typically, manganese nodules present in the deep sea bed.

The mining vessel includes a ship base 1, a light collecting device 2, a light lifting device 4, a separate cargo hold 9, and a mooring system 8.

Although not shown, the mining vessel may include an apparatus or system for processing and / or processing the collected cargo. This device or system serves to separate various foreign objects and seawater from the mineral minerals which have been lifted.

Although not shown, the mining vessel may include a control device capable of controlling the above-mentioned various devices (or systems) and / or equipment, which control device is preferably provided in the ship mother 1.

The mining vessel is sufficient to have a structure that can be floating at sea, it is preferred to have a self-propelled engine, but is not necessarily limited thereto.

The mining vessel may have a general vessel form and may have a structure and / or a system similar to an oil drilling rig.

The light collecting device 2 collects the minerals on the undersurface surface and may be an underwater robot that is remotely controlled by a control device of the ship body 1. For example, The light condensing device 2 can be configured to be able to travel on the undersurface surface.

The condensing device 2 may be configured to collect the minerals on the ground surface, in particular, manganese nodules using the sampler 21 and to output the minerals to the intermediate reservoir 42 provided in the photodetection device 4. The collector 21 may be configured in the form of an inhaler using a pump, in addition, it may be configured in a variety of equipment, such as tongs, or excavator type.

In addition, the condensing device 2 includes various devices which are necessary and additionally required for mining, such as a water injecting device and / or a conveying device.

The light-emitting device 4 may include an intermediate reservoir (or bumper) 42, a light pipe 44, and a slurry pump (not shown) of the lifting device.

The intermediate reservoir 42 temporarily stores minerals, in particular manganese nodules, collected and transported by the condenser 2. The intermediate reservoir 42 may include a facility for temporarily storing the collected minerals in water, and a facility for finely crushing and mining the minerals into a slurry state.

The optical device 4 blows up the mineral entered into the intermediate reservoir 42 to the detachable cargo hold 9 moored to the ship body 1 through the flexible light pipe 44.

To this end, the optical device (4) comprises a lifting slurry pump to generate a force to blow up the slurried mineral.

Since the slurry pump normally needs to pump both solid and liquid, a polyphase pump is used. If the depth to the sea floor surface is very deep, it is preferable to use several pumps.

The separate cargo hold 9 stores the minerals mined by the mining vessel, and functions to separate the minerals from the mining vessel and transport the minerals to the land.

The separable cargo hold (9) is preferably a floatable structure floating on the sea. The separable cargo hold 9 may be a self-contained type with its own propelling engine and, if it is non-automatic, it may be transported between the sea and land by, for example, a tug boat.

In addition, when the cargo hold 9 is an autonomous ship, it is preferable to have a streamlined structure similar to a general autonomous ship, but the present invention is not limited to the streamlined ship.

After transporting the separate cargo hold 9 from the ship's base 1 for transport, another separate cargo hold 9 'that is waiting is immediately tied to the mining ship's base 1 so that there is almost no interruption of the lifting operation and thus minerals are removed. Allow for quick loading.

The mining vessel includes a mooring system 8 for mooring a separate cargo hold 9 on one side of the vessel base 1.

The mooring system 8 is provided with a light lifting device during a collection operation of minerals by the light collecting device 2, a transfer operation of minerals by the light lifting device 4, and a storage operation of minerals in the separate cargo hold 9. 4) serves to connect and moor the split cargo hold 9 at a location and distance close to the ship's base (1).

Referring to FIGS. 2A-3B (frame expansion), the mooring system 8 is provided at the stern of the ship base 1 and includes a cargo hold receiving portion 82 having a substantially "c" shaped structure. The cargo hold accommodation portion 82 is provided with an electromagnet device 86 for detachably connecting the ship base 1 and the removable cargo hold 9.

The electromagnet device 86 of the mooring system 8 electronically binds between the split cargo hold 9 and the ship base 1 to moor the split cargo hold 9 to the ship base 1.

The electromagnet device 86 is retracted into the ship base 1 to avoid collision when the separate cargo hold 9 approaches the cargo hold accommodating portion 82, and the separate cargo hold 9 is When inserted into the cargo hold receiving portion 82 is preferably configured to be withdrawn from the inside of the ship matrix (1).

4A and 4B show an example of the collision avoidance structure of the separate cargo hold, which forms an opening 1a in the ship mother body 1 and installs the electromagnet device 86 at the end of the hydraulic cylinder 110. Thereby, it can be configured to draw in and out inside the ship base (1).

5A and 5B show another example of the collision avoidance structure of the separate cargo hold, and the opening 1a is formed in the ship base 1, and the electromagnet device 86 is provided at the end of the moving screw 120. By installing it, it can be comprised so that it may draw out in and out of the ship base body 1 inside.

The electromagnet device 86 is provided with a power supply unit and a power transmission device or drive motor (M).

In addition, it is also possible to form a connecting frame between the ship base and the detachable cargo hold by putting a joint plate in the middle without configuring the protruding equipment (not shown).

The mining vessel is provided between the detachable cargo hold 9 and the ship matrix 1 in a docking or undocking process for mooring the detachable cargo hold 9 to the ship mother 1 or releasing the mooring. It may further include an anti-collision device, a fender (F) to prevent the collision.

In addition, the separate cargo hold 9 may be formed with a ballast water storage space 92 for adjusting the draft of the mining vessel and the separate cargo hold (9).

As used herein, the term " ship " includes the meaning of various types of floating structures that may float in the sea as well as vessels in a general sense. In this specification, the term 'marine vessel' refers to a vessel or a body of a floating structure in the general sense capable of mooring a separate type of cargo hold, and includes a main body of a marine floating structure, it means.

Hereinafter, a method of mooring a separate cargo hold in a mining vessel according to the present invention.

Cargo holds marked with hatching represent cargo holds which are sufficiently filled with minerals collected from the seabed and are required to be transported to land. Conversely, cargo holds not marked with hatching represent cargo holds that are not sufficiently filled with minerals collected from the seabed.

Referring to Figure 6 (a), the power is applied to the electromagnet device 86 of the ship base 1 of the mining vessel, the first separate cargo hold 9 in the cargo hold accommodating portion 82 by the electromagnetic force generated at this time Is mooring. By the condensing and lifting operation, the first separated cargo hold 9 is in a state filled with minerals as shown in Fig. 6B.

Next, as shown in FIG. 6C, the second separated cargo hold 9 ′ which is empty inside adjacent to the ship base 1 is waiting. The power is released to the electromagnet device 86, at which time the first detachable cargo hold 9, in which the electromagnetic force is released and all the minerals are filled, is separated from the ship matrix 1, instead, the second detachable cargo hold is not filled with minerals. As shown in FIG. 6 (d), when 9 ′ is accommodated in the cargo hold accommodation portion 82 of the ship base body 1 by the electromagnet device 86, power is applied to the electromagnet device 86. Then, the second split cargo hold 9 'is moored in the cargo hold receiving portion 82 by the generated electromagnetic force. The first split cargo hold 9 is moved to land. The first split cargo hold 9 is equipped with a self-propelled engine and can be moved to land by self-navigation, or can be moved to land by a tugboat.

Electromagnet device 86 may be installed at various heights along the height direction of the vessel, the number and shape, the size of the installation position may be configured in various ways.

In addition, in the embodiment of the present invention has been described as an example that the electromagnet device is installed on the stern of the mother ship, of course, depending on the design conditions it is also possible to be installed on the fore or after the stern.

On the other hand, it will be described below the mooring method of the mining vessel using the separate cargo hold of the present invention.

A condensing step of collecting a nodule from the seabed with a condenser connected to a mining line; A lifting step of hoisting the collected nodules on the seabed; Mooring the separate cargo hold by means of an electromagnet provided at the rear end of the mining line; Storing the nodule in the detachable cargo hold and transporting the separate cargo hold from the mining vessel; and transporting the separated cargo hold in the mooring of the separate cargo hold, wherein the electromagnet device has the removable cargo hold receiving the cargo hold. In order to avoid collisions when approaching the ship, it is drawn inside the ship's base, and when the removable cargo hold is inserted into the cargo hold, the ship is withdrawn from the ship's mother and moored.

As described above, the present invention can install the electromagnet device on the ship's mother base can hold the separate cargo hold, can control the six degrees of freedom motion of the ship at once, can greatly reduce the eyepiece and berthing time, berthing Minimize manpower input.

In addition, the present invention can be effectively prevented from being damaged by the collision with the separate cargo hold because the electromagnet device is drawn inside the ship mother, when the separate cargo hold is inserted into the cargo hold receiving portion is drawn out from the inside of the ship mother.

1: shipping matrix
2: condensing device
4: solar lifting device
9: detachable cargo hold
8: mooring system
42: intermediate store
44: positive pipe
82: cargo hold
86: electromagnet device
92: ballast storage
110: Hydraulic cylinder
120: moving screw
F: fender

Claims (11)

In the mooring system of a mining ship that mines, lifts, and stores minerals on the sea surface,
A cargo hold accommodation portion formed in the mother ship to accommodate the separate cargo hold;
A mooring system for a mining ship, including an electromagnet device installed on the cargo hold receiving portion to detachably connect the split cargo hold to the ship base. The method according to claim 1,
The electromagnet device is a mooring system for a mining ship, characterized in that located at any one of the stern or bow of the vessel mother. The method according to claim 1,
The separate cargo hold is a mooring system for a mining ship, characterized in that any one of the self-navigable cargo hold or non-magnetic cargo hold towed to a tug. The method according to claim 1,
Mooring system of the ship for mining, characterized in that the self-winding cargo hold can be formed in a streamlined or plate-like shape. The method according to claim 1,
Mining vessel further comprises a collision avoidance device for preventing the collision between the removable cargo hold and the mother ship in the docking or undocking process for mooring the removable cargo hold in the ship mother or release the mooring Mooring system. The method according to claim 1,
The electromagnet device is configured to be drawn inside the ship's mother body to avoid a collision when the detachable cargo hold approaches the cargo hold receiving portion and then to be pulled out of the ship's mother when the removable cargo hold is inserted into the cargo hold receiving portion. Mooring system of a mining vessel, characterized in that. The method of claim 6,
The electromagnet device is a mooring system for a mining vessel, characterized in that the hydraulic cylinder is configured to draw in and out inside the vessel matrix. The method of claim 6,
The electromagnet device is a mooring system for a mining ship, characterized in that configured to withdraw in and out of the ship matrix by a moving screw. In the mooring system of a mining ship that mines, lifts, and stores minerals on the sea surface,
A mooring system for a mining ship, comprising an electromagnet device installed on the ship's mother and detachably connecting a separate cargo hold to the ship's mother. A condensing step of collecting a nodule from the seabed with a condenser connected to a mining line;
A lifting step of hoisting the collected nodules on the seabed;
Mooring the separate cargo hold by means of an electromagnet provided at the rear end of the mining line;
Mooring the nodules stored in the split cargo hold and separating the split cargo hold from the mining ship; The method of claim 10,
In the step of mooring the separate cargo hold,
The electromagnet device is introduced into the ship's mother body to avoid a collision when the detachable cargo hold approaches the cargo hold receiving portion, and when the split cargo hold is inserted into the cargo hold receiving portion, the electromagnet is pulled out and moored inside the ship's mother holding portion. Mooring method of a mining vessel, characterized in that.

Images