KR20170062754A - Dead ship state-recovery system, semi-rig having the system and dead ship state-recovery method - Google Patents

Dead ship state-recovery system, semi-rig having the system and dead ship state-recovery method Download PDF

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Publication number
KR20170062754A
KR20170062754A KR1020150168322A KR20150168322A KR20170062754A KR 20170062754 A KR20170062754 A KR 20170062754A KR 1020150168322 A KR1020150168322 A KR 1020150168322A KR 20150168322 A KR20150168322 A KR 20150168322A KR 20170062754 A KR20170062754 A KR 20170062754A
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South Korea
Prior art keywords
recovery
dead
compressed air
main engine
semi
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KR1020150168322A
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Korean (ko)
Inventor
전유수
설동익
조성균
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대우조선해양 주식회사
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Priority to KR1020150168322A priority Critical patent/KR20170062754A/en
Publication of KR20170062754A publication Critical patent/KR20170062754A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N9/00—Starting of engines by supplying auxiliary pressure fluid to their working chambers
    • F02N9/04—Starting of engines by supplying auxiliary pressure fluid to their working chambers the pressure fluid being generated otherwise, e.g. by compressing air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/10—Safety devices not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

The present invention can solve the difficulty of equipment placement due to installation location and space shortage, minimize weight and minimize influence on center of gravity value, improve weight balance, and eliminate the existing dead shear generator, And a semi-submersible drilling rig equipped with the recovery system and a method for recovering the dead-ship condition.
According to the present invention, there is provided a dead-re- lease state recovery system for semi-submersible drilling rigs, comprising: a main engine comprising an emergency generator; A dedicated air bottle for always supplying compressed air to the main engine side; A recovery air bottle for providing compressed air for starting the main engine in a dead-easy state of the semi-submersible drill ship; A recovery compressed air supply line connected to supply the recovery air-bottle compressed air to the main engine side; An emergency power module for generating a power source for supplying emergency power to the recovery air bottle; And an emergency power cable for supplying an emergency power source of the emergency power module to the recovery air bottle.

Figure P1020150168322

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a dead-recked state recovery system, a semi-submersible drilling rig equipped with the recovery system, and a dead-

The present invention relates to a dead rehabilitation system, a semi-submersible drilling rig equipped with the rehabilitation system, and a method for recovering a dead rehabilitated state, and more particularly, Weight reduction and minimization of influence on center of gravity value improves weight balance. Deadweight generator is not installed. Deadweight generator can be used to maximize volume, weight and space utilization. System, a semi-submersible drilling rig equipped with the recovery system, and a method for recovering a dead ship state.

In general, the dead ship state of a ship refers to a state in which the main propulsion boiler and auxiliary engine are not operating because no power is supplied.

In other words, if the ship is in a dead-easy condition, the main engine's inability to operate and the steering ability due to the failure of the generator of the ship have been lost. In this case, the ship is at risk of sinking due to loss of ballast.

In order to solve this danger, the ship is equipped with a dead ship state recovery system and a dead ship state recovery system to restart the ship in dead ship condition.

FIG. 1 is a block diagram showing a dead-sea state recovery system of semi-submersible drilling rig according to the prior art.

Referring to FIG. 1, the dead-rechargeable state recovery system of the semi-submersible drill ship according to the prior art includes a main generator 1 installed on a deck of semi-submersible drill ship in a dead ship state of semi-submersible drill ship, And a dedicated dead-shear generator 2 is provided to save the power.

The dead-ship generator 2 is constituted by a capacity and a size suitable for calculating electric power consumption such as an auxiliary equipment and a utility necessary for saving the main generator 1.

However, in the conventional dead-shear recovery system, in order to utilize the main generator in a dead-easy state, a dedicated dead-shear generator is required. Therefore, due to the nature of semi-submersible drill rig, There is always a problem that difficulties exist.

Also, the dead-rehabilitation system of the prior art is sensitive to weight due to semi-submersible drill rigs and is always installed on the upper deck, which affects the center of gravity and affects the weight balance , There is a problem that the degree of freedom of design is limited, and exhaust gas pipes must be installed due to the installation of the dead-ship generator, so that the weight increases and the layout design becomes difficult.

Korean Registered Patent No. 10-1145662 (2012.05.07.) Korean Patent Publication No. 10-2014-0036774 (Apr.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to solve the above problems and to provide an improved dead-shear generator, which can solve the difficulty of equipment placement due to lack of installation position and space, A semi-submersible drilling rig equipped with the recovery system, and a method of recovering the dead-ship condition, which are capable of maximizing the volume, weight and space utilization by not installing the semi-submersible drilling rig.

According to an aspect of the present invention, there is provided a main engine including an emergency generator; A dedicated air bottle for compressing air and filling the compressed air to provide compressed air at all times to the main engine side; And a recovery air bottle for supplying compressed air for starting the main engine by using an emergency power source when the operation of the dedicated air bottle is stopped. do.

According to another aspect of the present invention, there is provided a dead-rehab state recovery system for semi-submersible drilling rig, comprising: a main engine comprising an emergency generator; A dedicated air bottle for always supplying compressed air to the main engine side; A recovery air bottle for providing compressed air for starting the main engine in a dead-easy state of the semi-submersible drill ship; A recovery compressed air supply line connected to supply the recovery air-bottle compressed air to the main engine side; An emergency power module for generating a power source for supplying emergency power to the recovery air bottle; And an emergency power cable for supplying an emergency power source of the emergency power module to the recovery air bottle.

In another aspect of the present invention, the control valve may further include an adjustment valve provided on the recovery compressed air supply line and configured to be selectively opened or closed according to a normal state or a dead-easy state.

According to another aspect of the present invention, there is provided a method for recovering a dead-sea state of a semi-submersible drilling rig, comprising the steps of: when a dedicated air bottle for supplying compressed air for operation of the main engine fails, And the compressed air is supplied to the main engine.

The semi-submersible drill ship's Dead Sea condition recovery system and recovery method according to the present invention provides the following effects.

First, the present invention has the effect of eliminating the difficulty of equipment placement due to installation location and space shortage when constructing the facility in the upper deck due to the characteristics of semi-submersible drilling rigs.

Second, the present invention can reduce the weight of semi-submersible drill rigs and minimize weight center value, thereby improving weight balance.

Third, in the present invention, there is no need to install a dead ship generator, which is conventionally required, so that it is possible to maximize utilization of volume, weight, and space.

1 is a block diagram illustrating a desusitic state recovery system of a semi-submersible drilling rig according to the prior art, and
2 is a block diagram illustrating a desusitic state recovery system for a semi-submersible drilling rig according to the present invention.

In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the accompanying drawings which illustrate preferred embodiments of the present invention.

The dead-sea state system and the dead-sea state recovery method of semi-submersible drilling rig according to the present invention, which will be described below, can be applied to all ships if the main engine can be restarted through compressed air in a dead- The present invention can be applied to a ship in which the main engine also serves as an emergency and is equipped with an engine that satisfies heating, prime lube oil, and fuel oil supplies.

According to the semi-submersible drilling rig according to the present invention, it is possible to solve the difficulty of equipment placement due to the installation position and the space shortage, and to minimize the weight loss and the influence on the center of gravity value It improves the weight balance and eliminates the existing dead-ship generator, thereby maximizing the volume, weight and space utilization.

The dead-re- lease state recovery system of semi-submersible drilling rig according to the present invention comprises a main engine including an emergency generator; A dedicated air bottle for compressing the air and filling the compressed air to provide the compressed air at all times to the main engine; And a recovery air bottle for supplying compressed air for starting the main engine by using an emergency power source when the operation of the dedicated air bottle is stopped. The method of recovering the dead ship state of a semi- The method comprising the steps of: supplying a compressed air to the main engine through a recovery air bottle which is separately provided when a dedicated air bottle for supplying compressed air for operation of the main engine fails, .

Hereinafter, a dead-sea state recovery system for semi-submersible drilling rig according to a preferred embodiment of the present invention will be described in detail with reference to FIG. 2 is a block diagram illustrating a desusitic state recovery system for a semi-submersible drilling rig according to the present invention.

As shown in FIG. 2, the dead-rehab state recovery system of the semi-submersible drill ship according to the present invention includes a main engine 100 including an emergency generator; A dedicated air bottle 200 for compressing the air and filling the compressed air to provide the compressed air at all times to the main engine; A recovery air bottle (300) for providing compressed air for starting the main engine (100) in a dead-easy state of the semi-submersible drill ship; A recovery compressed air supply line (400) connected to supply compressed air of the recovery air bottle (300) to the main engine (100); An emergency power module (not shown) for generating a power source for supplying emergency power to the recovery air bottle 300; And an emergency power cable (not shown) for supplying the emergency power supply of the emergency power supply module to the recovery air bottle 300.

In the main engine 100, an emergency generator is integrally constructed.

The dedicated air bottle 200 and the recovery air bottle 300 may be included, for example, as an air compressor, an oil water separator, a compressed air storage tank, and a control valve. In addition, the auxiliary air compressor and the auxiliary compressed air storage tank . ≪ / RTI >

A regulating valve is provided on the recovery compressed air supply line 400 and is selectively opened or closed according to a normal state or a dead-easy state.

With respect to the emergency power module, when the semi-submersible drill ship is dead, the dedicated air bottle 200 that operates as a general power source can be operated in an uncooled state, which may cause a failure, The dedicated air bottle 200 is automatically stopped. Based on the general power shutoff signal, the emergency power module executes emergency power generation to supply emergency power to the recovery air bottle 300, In the bottle 300, compressed air is supplied to the main engine 100 to be recovered.

As described above, the semi-submersible drilling rig's dead-re- sponse recovery system is an emergency recovery system that can be used for an emergency, such as an engine that satisfies heating, prime lube oil, and a fuel oil supply. (NMA requirement / compressed air) required to operate the auxiliary system without the need for an additional dead ship generator.

The dead-rehabilitated state recovery system of semi-submersible drill rig according to the present invention can solve the difficulty of equipment placement due to installation location and lack of space, and can minimize weight reduction and influence on the center of gravity value, And by not installing an existing dead-ship generator, there is an advantage of maximizing volume, weight and space utilization.

As described above, the semi-submersible drill ship dead-reward state recovery system has been described with reference to the drawings. However, the present invention is not limited to the above-described embodiments and drawings, It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention.

100: main engine
200: Dedicated air bottle
300: Recovery air bottle
400: Compressed air supply line for recovery

Claims (5)

A main engine including an emergency generator;
A dedicated air bottle for compressing air and filling the compressed air to provide compressed air at all times to the main engine side; And
And a recovery air bottle for supplying compressed air for starting the main engine by using an emergency power source when the operation of the dedicated air bottle is stopped. In a Dead Sea condition recovery system of semi-submersible drilling rig,
A main engine including an emergency generator;
A dedicated air bottle for always supplying compressed air to the main engine side;
A recovery air bottle for providing compressed air for starting the main engine in a dead-easy state of the semi-submersible drill ship;
A recovery compressed air supply line connected to supply the recovery air-bottle compressed air to the main engine side;
An emergency power module for generating a power source for supplying emergency power to the recovery air bottle; And
And an emergency power cable for supplying the emergency power of the emergency power module to the recovery air bottle. The method of claim 2,
Further comprising a regulating valve provided on the recovery compressed air supply line and configured to be selectively opened and closed according to a normal state or a dead-easy state of the semi-submersible drilling rig. A semi-submersible drilling rig having the Dead Sea condition recovery system according to any one of claims 1 to 3. In the method of recovering the dead ship state of semi-submersible drilling rig,
Characterized in that compressed air is supplied to the main engine through a recovery air bottle which is separately provided when a dedicated air bottle for supplying compressed air for operation of the main engine fails. Way.
KR1020150168322A 2015-11-30 2015-11-30 Dead ship state-recovery system, semi-rig having the system and dead ship state-recovery method KR20170062754A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200052534A (en) * 2018-11-07 2020-05-15 주식회사 마린테크노코리아 System and method for controlling inflatable tube of vessel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200052534A (en) * 2018-11-07 2020-05-15 주식회사 마린테크노코리아 System and method for controlling inflatable tube of vessel

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