KR101746113B1 - Fire extinguishing equipment for telescope type gangway for of marine plant - Google Patents

Fire extinguishing equipment for telescope type gangway for of marine plant Download PDF

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Publication number
KR101746113B1
KR101746113B1 KR1020150180169A KR20150180169A KR101746113B1 KR 101746113 B1 KR101746113 B1 KR 101746113B1 KR 1020150180169 A KR1020150180169 A KR 1020150180169A KR 20150180169 A KR20150180169 A KR 20150180169A KR 101746113 B1 KR101746113 B1 KR 101746113B1
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South Korea
Prior art keywords
gangway
fire
injection nozzle
extinguishing agent
storage container
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KR1020150180169A
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Korean (ko)
Inventor
강동혁
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재단법인한국조선해양기자재연구원
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Priority to KR1020150180169A priority Critical patent/KR101746113B1/en
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/68—Details, e.g. of pipes or valve systems
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
    • 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
    • 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
    • B63B2035/448—Floating hydrocarbon production vessels, e.g. Floating Production Storage and Offloading vessels [FPSO]

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  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The present invention relates to a fire extinguishing system of a telescopic type gangway for an offshore plant, and it relates to a fire extinguishing system of a telescopic type gangway for an offshore plant, The fire can be suppressed effectively.
The present invention relates to a telescopic type gangway for an offshore plant having a plurality of unit gangways connected to each other in a telescopic manner so as to extend and retract in a multi-stage manner, the gangway is installed along the longitudinal direction of the gangway in the inner passage of the gangway, An injection nozzle having a plurality of injection holes for diffusing and extinguishing the extinguishing agent; A storage vessel for supplying the extinguishing agent to the injection nozzle; A fire detector installed in the inner passage of the gangway to detect a fire; And a controller for activating the storage container to spray the extinguishing agent through the injection nozzle when a fire is detected by the fire detector.

Figure R1020150180169

Description

FIELD EXTINGUISHING EQUIPMENT FOR TELESCOPE TYPE GANGWAY FOR OF MARINE PLANT [0001]

The present invention relates to a fire extinguishing system for a gangway for an offshore plant, and more particularly to a fire extinguishing system for an offshore plant, in which a fire is generated in a gangway having a large wind influence, The present invention relates to a fire extinguishing system of a telescopic type gangway for an offshore plant capable of effectively suppressing the fire.

In general, an offshore plant (or marine plant) is a term collectively referring to facilities that generate energy or collect resources from the ocean.

Since these offshore plants are installed in the sea, they should be resistant to corrosion, in addition to the characteristics that the onshore plant should possess, and should further include features such as pressure resistance, explosion proof fire safety, light weight, and the like.

These offshore plants usually consist of several types of platforms, most notably Floating Production Storage and Offloading (FPSO). In other words, FPSO is a kind of maritime base that is floated with oil, natural gas, purified, stored, and transferred to LNG carrier or ship when it comes.

On the other hand, these offshore support vessels (Offshore Support Vessel) to support these offshore plants are equipped with a gangway for transporting workers and transporting the goods.

Since these gangways are used as passageways for important goods and workers, they are expected to cause fatal damage in the event of a fire. However, these gangways are not used at all times and are installed outside the ship or offshore plant. I was indifferent to the installation.

Especially, in case of gangway, it is strongly influenced by wind because it is installed at a high position from the sea. In addition, telescopic type is expected to have great difficulty in suppressing fire by installing fire extinguishing system because the whole length is flexible according to expansion and contraction operation. It is imperative to develop an optimized fire extinguishing system that accommodates the fire extinguisher.

Korean Patent Laid-Open Publication No. 2014-0059998 (May 2014, 2019)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the related art as described above, and it is an object of the present invention to provide a method and apparatus for detecting a fire, And to provide a fire extinguishing system of a telescopic type gangway for an offshore plant capable of effectively suppressing a fire through selective operation of a nozzle.

Technical Solution In order to achieve the above object, a fire extinguishing system of a telescopic type gangway for an offshore plant according to the technical idea of the present invention is characterized in that a plurality of unit gangways are telescopic for an offshore plant connected in a stretchable manner in the form of a telescope A type gangway, comprising: an injection nozzle installed along a longitudinal direction of a gangway in an inner passage of the gangway and having a plurality of injection holes for diffusing the extinguishing agent; A storage vessel for supplying the extinguishing agent to the injection nozzle; A fire detector installed in the inner passage of the gangway to detect a fire; And a controller for activating the storage container to spray the extinguishing agent through the injection nozzle when a fire is detected by the fire detector.

The injection nozzle includes a top injection nozzle provided along the longitudinal direction of the gangway at an upper side of the inner passage of the gangway and having a plurality of downward injection holes for diffusing the extinguishing agent toward the downward direction, ; A left side injection nozzle provided along the longitudinal direction of the gangway at the left side of the inner passage of the gangway and having a plurality of rightward injection holes for diffusing the extinguishing agent toward the right side; And a plurality of leftward ejection nozzles provided along the longitudinal direction of the gangway on the right side of the inner passage of the gangway so as to diffuse and extinguish the extinguishing agent toward the left, And a wind speed meter and an anemometer for measuring the wind direction and the wind speed, respectively, are installed. When the anemometer measures the wind speed less than a predetermined value when a fire occurs, the controller starts only the storage container connected to the top- The controller controls the storage vessel connected to the top-side spray nozzle and the storage vessel connected to the left-side spray nozzle to start the operation when the anemoscope detects the wind direction to the right, So that the extinguishing agent is injected through the top-side injection nozzle and the left-side injection nozzle, When the anemometer senses a leftward wind direction in a state where an anemometer measures a wind speed above a certain level, the controller starts a storage container connected to the top-side injection nozzle and a storage container connected to the post-injection nozzle, And controlling the spraying of the extinguishing agent through the nozzle.

The injection nozzles are connected in a multistage manner so as to be able to expand and contract in the form of a telescope, in which a plurality of injection holes are formed in a tubular body corresponding to a multi- can do.

The smoke detector may be a combination of a heat detector and a smoke detector.

On the other hand, the telescopic type gangeway system for an offshore plant of the present invention is characterized by having the above-described fire extinguishing facilities.

Since the telescopic type gangway fire extinguishing system for offshore plant according to the present invention is installed at a high position from the sea, even if a fire occurs in a gangway having a large influence of wind, the selective operation of the injection nozzle considering the wind speed and the wind direction Can effectively suppress.

In addition, according to the present invention, the injection nozzles are connected in series so that a plurality of unit nozzles are stretched in a folded form so that the fire extinguishing agent can be injected into a sufficient area when a fire occurs, as the telescopic type gangway expands and contracts.

1 is an external perspective view of a gangway equipped with a fire extinguishing system of a telescopic type gangway for an offshore plant according to an embodiment of the present invention;
Fig. 2 is a diagram showing the construction of a telescopic type gangway fire extinguishing facility for an offshore plant according to an embodiment of the present invention.
3 is a longitudinal sectional view for explaining the configuration of the injection nozzles among the fire extinguishing systems of the telescopic type gangway according to the embodiment of the present invention
4 is a partial cross-sectional view for explaining the configuration of the injection nozzles among the fire extinguishing systems of the telescopic type gangway according to the embodiment of the present invention
5A to 5C are a series of references for explaining the extinguishing agent spraying operation and operation of the telescopic type gangway fire extinguishing system according to the embodiment of the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A telescopic type gangway fire extinguishing system for an offshore plant according to embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing. In the accompanying drawings, the dimensions of the structures are enlarged to illustrate the present invention, and are actually shown in a smaller scale than the actual dimensions in order to understand the schematic structure.

Also, the terms first and second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. On the other hand, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Fig. 1 is an external perspective view of a gangway equipped with a fire extinguishing system of a telescopic type gangway for an offshore plant according to an embodiment of the present invention. Fig. 2 is a perspective view of a telescopic type gangway of an offshore plant according to an embodiment of the present invention. Fig.

As shown in the drawings, the entire structure of a telescopic type gangway fire extinguishing system according to an embodiment of the present invention includes a fire detector for detecting a fire, an anemometer for detecting wind speed and direction, A storage container for storing the extinguishing agent, a top injection nozzle 120a, a left side injection nozzle 120b, and a post injection nozzle 120c.

Since the telescopic type gangway fire extinguishing system according to the embodiment of the present invention is installed at a high position from the sea, the gangway 110 The upper air injection nozzle 120a, the left air injection nozzle 120b, and the post injection nozzle 120c provided in the gangway 110 are selectively operated corresponding to the air velocity and the direction of the surrounding air, So that the fire inside the gangway 110 can be effectively suppressed. (However, according to the drawings, the sidewalls of the gangway are shown as closed for convenience, but they are actually formed as an open skeletal structure, so they are affected by the wind.)

Hereinafter, the configuration of the injection nozzles, which plays a pivotal role in the fire extinguishing system of the telescopic type gangway according to the embodiment of the present invention, will be described in more detail.

FIG. 3 is a longitudinal sectional view for explaining the configuration of injection nozzles in a fire extinguishing system of a telescopic type gangway according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view of a fire extinguishing system of a telescopic type gangway according to an embodiment of the present invention And is a partial cross-sectional view for explaining the configuration of the injection nozzles.

The spray nozzles 120a, 120b and 120c installed in the inner passage 111 of the gangway 110 for spraying the extinguishing agent in the present invention are arranged in the inner passage A left side injection nozzle 120b provided on the left side of the inner passage 111 of the gangway 110 and a left side injection nozzle 120b provided on the right side of the inner passage 111 of the gangway 110 And a postal injection nozzle 120c. In order to enable the extinguishing agent (F) to be injected independently of each other, the top-side injection nozzle 120a, the left-side injection nozzle 120b, and the post-injection nozzle 120c are not branched from one line, It should be installed in a separate form from the drug storage container.

The top injection nozzle 120a is installed along the longitudinal direction of the gangway 110 on the inner side of the inner passage 111 of the gangway 110 and is capable of diffusing and extinguishing the extinguishing agent F toward the downward direction. And a plurality of downwardly directed spray holes 122a, 122b, and 122c. The left-side spray nozzle 120b is provided along the longitudinal direction of the gangway 110 on the left side of the inner passage 111 of the gangway 110, and the extinguishing agent F is diffused toward the right side And a plurality of right-handed spray holes 122a, 122b, and 122c are provided. On the other hand, the postal injection nozzle 120c is provided along the longitudinal direction of the gangway 110 on the right side of the inner passage 111 of the gangway 110 and diffuses and extinguishes the extinguishing agent F toward the left direction 122a, 122b, 122c, respectively.

4, the unitary injection nozzles 120a, the left-side injection nozzle 120b and the post-injection nozzle 120c are connected in multiple stages so that a plurality of unit gangways 110a, 110b, and 110c can be expanded and contracted, respectively Unit nozzles 121a, 121b, and 121c having a plurality of spray holes 122a, 122b, and 122c formed in a tubular body corresponding to the shape thereof are multi-end connected in a stretchable manner in a telescopic form. However, since the unit nozzles 121a, 121b, and 121c have different diameters such that the unit gangways 110a, 110b, and 110c have different diameters, the unit nozzles 121a, 121b, The small unit nozzles 121a, 121b and 121c are inserted and slid in the overlapped state to perform the expansion and contraction operation. Support bases 123a and 123b for supporting the unit gangways 110a, 110b and 110c on corresponding unit gangways are installed at both ends based on the aggregate of the unit nozzles 121a, 121b and 121c connected to each other.

Since a very large number of spray holes 122a, 122b and 122c are formed in the unit nozzles 121a, 121b and 121c, it is easy to inject the extinguishing agent even when the unit nozzles 121a, 121b and 121c are overlapped with each other. .

Accordingly, when a fire occurs in the inner passage 111 of the gangway 110 and the fire detector detects a fire, the injection nozzles 120a, 120b, and 120c are selectively operated in consideration of the influence of wind, .

That is, when the anemometer measures a wind speed less than a predetermined value when a fire occurs, the controller starts only the storage container connected to the top injection nozzle 120a so that the fire extinguishing agent is injected only through the top injection nozzle 120a as shown in FIG. . In this case, since there is almost no influence of the wind W, even if the extinguishing agent is injected only through the top injection nozzle 120a, the fire can be suppressed sufficiently in the entire region of the inner passage 111 of the gangway 110 .

5B, when the anemometer senses the direction of the wind direction, the controller is connected to the top-side injection nozzle 120a and the left side injection nozzle 120b, Activates the storage container and controls the extinguishing agent to be injected through the top-portion injection nozzle 120a and the left-side injection nozzle 120b. In this case, there is a phenomenon that the extinguishing agent sprayed due to the influence of the wind W tilts to the right direction, but the extinguishing agent sprayed from the top-portion spraying nozzle 120a and the left-side spraying nozzle 120b flows into the inner passageway 111 ) It is possible to extinguish the fire in a fully diffused form in the whole area.

5C, when the anemoscope senses a leftward wind direction in a state where the anemometer measures a certain speed of air or more, the controller is connected to the top injection nozzle 120a and the post injection nozzle 120c The storage container is activated to control the extinguishing agent to be sprayed through the top-side injection nozzle 120a and the post-injection nozzle 120c. In this case, there is a phenomenon in which the extinguishing agent sprayed due to the influence of the wind W tilts to the left, but the extinguishing agent sprayed from the top injection nozzle 120a and the postal injection nozzle 120c is directed to the inner passage 111 of the gangway 110 ) It is possible to extinguish the fire in a fully diffused form in the whole area.

The smoke detector includes a combination of a heat sensor and a smoke detector, and a plurality of smoke sensors are installed over the entire inner passage 111 of the gangway 110. As a result, it is possible to accurately detect the occurrence of fire regardless of whether there is wind or not, and the controller activates the fire extinguishing agent storage container upon detecting a fire. Then, the extinguishing agent is automatically injected through the injection nozzle connected to the storage container, which is activated by the controller, among the top injection nozzle 120a, the left side injection nozzle 120b and the post injection nozzle 120c. However, in the case of the fire extinguishing system according to the present invention, it is preferable that the fire extinguishing system has a manual fire extinguishing function in which the fire extinguishing agent is sprayed by starting the storage container through manual operation of the controller to the controller separately from fire detection of the fire detector.

The fire extinguishing agent stored in the fire extinguishing agent storage container is sprayed to the fire extinguishing agent storage container in accordance with the type of the work to be performed on the gangway 110, Can be selected and used.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is clear that the present invention can be suitably modified and applied in the same manner. Therefore, the above description does not limit the scope of the present invention, which is defined by the limitations of the following claims.

110: gang way 110a, 110b, 110c:
120a: Upper spray nozzle 120b: Left spray nozzle
120c: postal injection nozzles 121a, 121b, 121c: unit injection nozzles
122a, 122b, 122c: injection holes 123a, 123b:

Claims (5)

A plurality of unit gangways, which are installed in the sky above the offshore plant and have a skeletal structure with an open sidewall and a wind inside, are telescopic type gangways for offshore plants that can be stretched in the form of telescopes As a result,
An injection nozzle provided along the longitudinal direction of the gangway in an inner passage of the gangway and having a plurality of injection holes for diffusing the extinguishing agent; A storage vessel for supplying the extinguishing agent to the injection nozzle; A fire detector installed in the inner passage of the gangway to detect a fire; And a controller for activating the storage container to spray the extinguishing agent through the injection nozzle when a fire is detected by the fire detector,
Wherein the injection nozzle comprises: a top injection nozzle provided along the longitudinal direction of the gangway at an upper side of the inner passage of the gangway and having a plurality of downward injection holes to diffuse the extinguishing agent toward the downward direction; A left side injection nozzle provided along the longitudinal direction of the gangway at the left side of the inner passage of the gangway and having a plurality of rightward injection holes for diffusing the extinguishing agent toward the right side; And a plurality of leftward ejection nozzles provided along the longitudinal direction of the gangway on the right side of the inner passage of the gangway so as to diffuse and extinguish the extinguishing agent toward the left, And a wind speed meter and an anemometer for measuring the wind direction and the wind speed, respectively, are installed. When the anemometer measures the wind speed less than a predetermined value when a fire occurs, the controller activates only the storage container connected to the top- The fire extinguishing agent is sprayed,
The controller activates the storage container connected to the top-side spray nozzle and the storage container connected to the left-side spray nozzle, and controls the top-side spray nozzle and the left-side spray nozzle, Controls the spraying of the extinguishing agent through the spray nozzle,
When the wind instrument detects the wind direction to the left in the state that the anemometer measures the wind speed above a certain level, the controller activates the storage container connected to the top injection nozzle and the storage container connected to the post injection nozzle, Controls the spraying of the extinguishing agent through the spray nozzle,
Wherein the unitary nozzles are connected in a multi-stage manner so as to be able to expand and contract in the form of a telescope, the unit nozzles having a plurality of jet holes formed in a tubular body corresponding to a plurality of unit gangways connected to each other so that a plurality of unit gangways are stretchable Telescopic type gangway fire extinguishing system for plant. delete delete The method according to claim 1,
Wherein the fire detector is a combination of a heat sensor and a smoke detector. The fire extinguishing system according to any one of claims 1 to 4,
A telescopic type gangway system for an offshore plant, comprising a telescopic type gangway for an offshore plant.
KR1020150180169A 2015-12-16 2015-12-16 Fire extinguishing equipment for telescope type gangway for of marine plant KR101746113B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860361B1 (en) * 2008-06-11 2008-09-25 (주)선주엔지니어링 Equipment for protection transmission tower
KR200464092Y1 (en) * 2010-06-21 2012-12-11 주식회사 정아마린 Shore Gang Way

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100860361B1 (en) * 2008-06-11 2008-09-25 (주)선주엔지니어링 Equipment for protection transmission tower
KR200464092Y1 (en) * 2010-06-21 2012-12-11 주식회사 정아마린 Shore Gang Way

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