JP2007014377A - Water supply system for emergency fire pump - Google Patents

Water supply system for emergency fire pump Download PDF

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JP2007014377A
JP2007014377A JP2005196030A JP2005196030A JP2007014377A JP 2007014377 A JP2007014377 A JP 2007014377A JP 2005196030 A JP2005196030 A JP 2005196030A JP 2005196030 A JP2005196030 A JP 2005196030A JP 2007014377 A JP2007014377 A JP 2007014377A
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tank
water supply
emergency fire
ship
supply system
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JP4818648B2 (en
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Koichiro Matsumoto
光一郎 松本
Toshiaki Azuma
俊昭 東
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Universal Shipbuilding Corp
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Universal Shipbuilding Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a water supply system for an emergency fire pump by neither making the profile of a ship wider nor deteriorating a propulsion performance of the ship. <P>SOLUTION: Water for extinguishing fire in an engine room, a pump room or the like is supplied to an emergency fire pump 1 from an inboard pump 4 installed within the ship or an onboard tank installed on the ship. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、非常用消火ポンプへの給水システムに関する。   The present invention relates to a water supply system for an emergency fire pump.

船舶の消防設備に関してはSOLASで国際的に基準が定められている。そのうち機関室についてはSOLASでは機関室内の消火ポンプが使用不能の場合に備えて、国際航海に従事する2,000GT以上の貨物船（タンカーを含む）には非常用消火ポンプ（EFP：Emergency Fire Pump）の装備が要求されている。非常用消火ポンプは、現状では船底から汲み上げた海水を使用している。しかし最近、SOLASの規則に則って定められる船級協会（IACS：International Association of Classification Society）の規則であるところの「IACS UI SC178」（以下、IACS規則という）の改正の動きがあり、荒天航行中でも問題なく海水を吸引することが要求されようとしている。   International standards have been established by SOLAS for ship fire fighting equipment. Among them, SOLAS has an emergency fire pump (EFP) for cargo ships (including tankers) over 2,000GT engaged in international voyages in case the fire pump in the engine room cannot be used. Equipment is required. Emergency fire pumps currently use seawater pumped from the bottom. Recently, however, there has been a revision of the “IACS UI SC178” (hereinafter referred to as IACS rules), which is a rule of the International Association of Classification Society (IACS) established in accordance with SOLAS rules. It is about to be required to suck in seawater without problems.

荒天航行中には大きな縦揺れ(Pitching)や横揺れ(Rolling)が船舶に発生し、船尾のシーチェスト（海水吸引口）設置位置では相対波面が大きく変動する。このような状況で、船体に対して相対波面が最も低い状態になっても、シーチェストの給水口が相対波面よりも下にあることが必要になる。そうでないと、シーチェストの給水口が海面上に露出し、海水を吸入できなくなる危険性がある。また非常用消火ポンプと海面との相対距離が大きくなると、非常用消火ポンプに求めれる性能を発揮できない可能性もある。   During stormy navigation, large pitching and rolling occur in the ship, and the relative wavefront fluctuates greatly at the stern sea chest (seawater inlet) installation position. In such a situation, even if the relative wavefront is the lowest with respect to the hull, the water supply port of the sea chest needs to be below the relative wavefront. Otherwise, there is a risk that the water inlet of the sea chest will be exposed on the sea surface and will not be able to inhale seawater. Moreover, if the relative distance between the emergency fire pump and the sea surface increases, the performance required for the emergency fire pump may not be achieved.

上述のように、IACS規則改正の要求を満たすためには、シーチェストを船底近くに、すなわち今までよりもさらに低い位置に設置することが必要になり、それに伴って非常用消火ポンプも船体内の従来よりも低い高さ位置に設置する必要がでてくる。そうすると、図３に示すような問題が生じる。
図３（ａ）に示すように、IACS規則改正の要求を満たすために、シーチェスト３および非常用消火ポンプ１の設置位置を下げた場合、同図（ｂ）に示すように、ポンプ室２の底面位置が下がるために、船体形状を従来の最適線図から拡幅線図のように太くしなければならなくなる。その結果、船舶の推進性能が低下（例えば検討に供した大型バラ積貨物船の場合、約３％の馬力増加）することになる。なお、本発明に関連する先行文献は見当たらなかった。 As described above, in order to meet the requirements of the IACS regulation revision, it is necessary to install a sea chest near the bottom of the ship, that is, at a lower position than before, and the emergency fire pump is also installed in the ship. It will be necessary to install it at a lower height than conventional. Then, the problem as shown in FIG. 3 arises.
As shown in FIG. 3A, when the installation position of the sea chest 3 and the emergency fire pump 1 is lowered in order to satisfy the request for amending the IACS regulations, as shown in FIG. Therefore, the hull shape must be thickened from the conventional optimum diagram to the widened diagram. As a result, the propulsion performance of the ship is reduced (for example, about 3% increase in horsepower in the case of a large bulk carrier considered). In addition, there was no prior document related to the present invention.

本発明は、上述のような課題を解決するためになされたもので、船体形状を太らせることなく、したがって船舶の推進性能を低下させることのない非常用消火ポンプへの給水システムを提供することを目的とする。   The present invention has been made to solve the above-described problems, and provides a water supply system for an emergency fire pump without increasing the shape of the hull and hence without reducing the propulsion performance of the ship. With the goal.

本発明に係る非常用消火ポンプへの給水システムは、機関室及びポンプ室等の火災を消火するための水を、船内に設置された船内タンクまたは船上に設置された船上タンクから非常用消火ポンプに供給する構成としたものである。   The water supply system to the emergency fire pump according to the present invention is configured to supply water for extinguishing a fire in an engine room and a pump room from an inboard tank installed on the ship or an onboard tank installed on the ship. It is set as the structure supplied to.

また、船内タンクとして、バラストタンクまたは船尾タンクを利用するものである。   Moreover, a ballast tank or a stern tank is used as an inboard tank.

また、船内タンクまたは船上タンクは、海水、真水もしくはその中間の液体、または泡消火に利用できる液体のいずれかを貯留するタンクである。   Further, the inboard tank or the onboard tank is a tank that stores either seawater, fresh water or an intermediate liquid thereof, or a liquid that can be used for foam extinguishing.

また、非常用消火ポンプを、船内タンクまたは船上タンクに自動開閉弁を介して配管接続するとともに、シーチェストに自動開閉弁を介して配管接続する構成とする。   The emergency fire pump is connected to the inboard tank or the onboard tank via an automatic opening / closing valve and connected to the sea chest via an automatic opening / closing valve.

本発明によれば、例えば機関室消火時には非常用消火ポンプに船内タンクまたは船上タンクから給水されるので、荒天航行中でもIACS規則にて要求される機関室消火に必要な容量と射水に必要な容量を十分に確保することができる。したがって、非常用消火ポンプを船体形状に影響を及ぼさない範囲で船内に設置することができるため、船体形状を太らせる必要はなくなり、船舶の推進性能の低下は生じない。   According to the present invention, for example, when the engine room is extinguished, water is supplied to the emergency fire pump from the inboard tank or the onboard tank, so that the capacity required for fire extinguishing the engine room required by the IACS regulations and the capacity required for spraying even during rough weather navigation Can be secured sufficiently. Therefore, since the emergency fire pump can be installed in the ship as long as the hull shape is not affected, it is not necessary to increase the hull shape, and the propulsion performance of the ship does not deteriorate.

図１は本発明の実施の形態の一例を示す非常用消火ポンプへの給水システムの概要図である。また、図２は本発明の給水システムと図３に示した従来の給水システムとの比較のための説明図である。   FIG. 1 is a schematic diagram of a water supply system to an emergency fire pump showing an example of an embodiment of the present invention. Moreover, FIG. 2 is explanatory drawing for the comparison with the water supply system of this invention and the conventional water supply system shown in FIG.

本発明の給水システムでは、船内に設置された船内タンク４から機関室消火に必要な海水を非常用消火ポンプ１に供給する。この目的のために、船内タンク４として、船尾空間に専用のバラストタンクを設置するか、もしくは既に設置されている船尾タンク（Aft Peak Tank）内の海水等を利用する。
本実施の形態では、図１に示すように、既設の船尾タンク４と非常用消火ポンプ１とを通常閉の自動開閉弁５を介して吸入管６で接続して機関室消火時には船尾タンク４から必要量の海水を非常用消火ポンプ１に供給可能としている。自動開閉弁５は通常は閉じており、機関室消火装置（図示せず）の作動時に自動的に開くようになっている。 In the water supply system of the present invention, seawater necessary for extinguishing the engine room is supplied to the emergency fire pump 1 from the inboard tank 4 installed in the ship. For this purpose, a dedicated ballast tank is installed in the stern space as the inboard tank 4, or seawater or the like in an already installed stern tank (Aft Peak Tank) is used.
In this embodiment, as shown in FIG. 1, the existing stern tank 4 and the emergency fire pump 1 are connected by a suction pipe 6 via a normally closed automatic open / close valve 5 so that the stern tank 4 is used when the engine room is extinguished. Therefore, the required amount of seawater can be supplied to the emergency fire pump 1. The automatic opening / closing valve 5 is normally closed and is automatically opened when an engine room fire extinguishing device (not shown) is operated.

非常用消火ポンプ１の送水管７は、機関室内に設置された図示しない機関室泡消火装置及び射水消火栓に接続され、機関室の消火に備えている。
また、非常用消火ポンプ１は、従来通り船外から海水を吸引するように、IACS規則にて要求される条件下での船底付近に設置されたシーチェスト３に通常開の自動開閉弁８を介して吸入管９により接続されている。この自動開閉弁８は通常は開いており、機関室消火装置（図示せず）の作動時に自動的に閉まるようになっている。 The water supply pipe 7 of the emergency fire pump 1 is connected to an unillustrated engine room foam fire extinguisher installed in the engine room and a water spray hydrant, and is prepared for extinguishing the engine room.
In addition, the emergency fire pump 1 has a normally open automatic on-off valve 8 in a sea chest 3 installed near the bottom of the ship under conditions required by the IACS regulations so as to suck seawater from outside the ship as before. And is connected by a suction pipe 9. The automatic opening / closing valve 8 is normally open, and is automatically closed when an engine room fire extinguishing device (not shown) is operated.

したがって、本給水システムの構成によれば、荒天航行中には非常用消火ポンプ１に求められる海水等の供給量を全て船内タンク４、例えば船尾タンク４ａ（図２）や専用のバラストタンク、あるいは船上に設置された船上タンク（図示せず）から供給することができる。これは、IACS規則にて要求される容量で機関室消火に必要な容量＋射水に必要な容量である。例えば検討に供した大型バラ積貨物船の場合、機関室消火に必要な給水量は161ｍ3であるが、本船の船尾タンク容量は2,700ｍ3である。
機関室消火に必要な容量は、IACS規則にて時間、量が決められているのでそれを満足するタンク容量とする。
一方、射水は時間が決められていないので、機関室消火が終了した後に射水に必要な小容量（７２ｍ3／ｈ）の海水を、従来型のシーチェスト３からの海水吸引システムを用いて船外から吸引する。 Therefore, according to the configuration of the present water supply system, the amount of supply of seawater and the like required for the emergency fire-fighting pump 1 during stormy weather travels is entirely equal to the inboard tank 4, such as the stern tank 4a (FIG. 2), the dedicated ballast tank, It can be supplied from an onboard tank (not shown) installed on the ship. This is the capacity required by the IACS regulations, the capacity required for engine room fire extinguishing + the capacity required for spraying. For example, in the case of a large bulk carrier for examination, the water supply required for fire extinguishing in the engine room is 161 m 3 , but the stern tank capacity of the ship is 2,700 m 3 .
The capacity required for fire extinguishing the engine room is determined by the IACS rules, and the tank capacity that satisfies this is determined.
On the other hand, there is no fixed time for spraying, so after the fire extinguishing of the engine room has been completed, a small volume of water (72m 3 / h) required for spraying is used to ship the seawater using a conventional seawater suction system from Sea Chest 3. Suction from outside.

また、図示のように従来型のシーチェスト３からの海水吸引システムを併設しておくことにより、通常の喫水条件（静穏海面時）および機関室消火に必要な小容量（７２ｍ3／ｈ）の射水量であれば、船底のシーチェスト３から海水を汲み上げても非常用消火ポンプ１は十分な性能を発揮できる。すなわち、海面が平穏なときにはシーチェスト３から汲み上げた海水で、荒天時には船内タンク４や船上タンクの海水等で、機関室消火を行うことが可能となる。 In addition, by installing a seawater suction system from the conventional sea chest 3 as shown in the figure, a small capacity (72 m 3 / h) required for normal draft conditions (at calm sea level) and fire extinguishing the engine room With the amount of water sprayed, the emergency fire pump 1 can exhibit sufficient performance even when seawater is pumped from the sea chest 3 on the bottom of the ship. That is, the engine room can be extinguished with seawater pumped from the sea chest 3 when the sea surface is calm, and with seawater in the inboard tank 4 or onboard tank during stormy weather.

また、図２に示すように、本発明の給水システムでは、荒天航行中でもIACS規則にて要求される容量を船内タンク４あるいは船上タンクから非常用消火ポンプ１に供給することができるので、非常用消火ポンプ１を船体形状に影響を及ぼさない範囲で船内に設置することが可能となる。そのため、図３のように船体形状を太らせる必要はなくなり、船舶の推進性能の低下をまねくことはない。   Further, as shown in FIG. 2, in the water supply system of the present invention, the capacity required by the IACS regulations can be supplied from the inboard tank 4 or the onboard tank to the emergency fire pump 1 even during stormy weather navigation. The fire pump 1 can be installed in the ship as long as it does not affect the shape of the hull. Therefore, it is not necessary to thicken the hull shape as shown in FIG. 3, and the propulsion performance of the ship is not lowered.

なお、上記の船内タンク４や船上タンクには、海水のほか、真水もしくはその中間の液体、または泡消火に利用できる液体のいずれかが貯留されていればよい。   In addition to seawater, the inboard tank 4 and the onboard tank may store either fresh water or an intermediate liquid, or a liquid that can be used for foam extinguishing.

本発明の実施の形態を示す非常用消火ポンプへの給水システムの概要図。The schematic diagram of the water supply system to the emergency fire pump which shows embodiment of this invention. 本発明の給水システムと従来の給水システムとの比較のための説明図。Explanatory drawing for the comparison with the water supply system of this invention, and the conventional water supply system. 非常用消火ポンプの設置位置を下げることによる問題点を説明するための説明図。Explanatory drawing for demonstrating the problem by lowering the installation position of an emergency fire pump.

符号の説明Explanation of symbols

１ 非常用消火ポンプ
２ ポンプ室
３ シーチェスト
４ 船内タンク
４ａ 船尾タンク
５ 自動開閉弁
６ 吸入管
７ 送水管
８ 自動開閉弁
９ 吸入管
DESCRIPTION OF SYMBOLS 1 Emergency fire pump 2 Pump chamber 3 Sea chest 4 Inboard tank 4a Stern tank 5 Automatic on-off valve 6 Intake pipe 7 Water supply pipe 8 Automatic on-off valve 9 Intake pipe

Claims (4)

機関室及びポンプ室等の火災を消火するための水を、船内に設置された船内タンクまたは船上に設置された船上タンクから非常用消火ポンプに供給する構成としたことを特徴とする非常用消火ポンプへの給水システム。   Emergency fire extinguishing, characterized in that water for extinguishing fires in the engine room and pump room is supplied to the emergency fire pump from the inboard tank installed in the ship or from the onboard tank installed on the ship Water supply system to the pump. 船内タンクとして、バラストタンクまたは船尾タンクを利用することを特徴とする請求項１記載の非常用消火ポンプへの給水システム。   2. The water supply system for an emergency fire pump according to claim 1, wherein a ballast tank or a stern tank is used as an inboard tank. 船内タンクまたは船上タンクは、海水、真水もしくはその中間の液体、または泡消火に利用できる液体のいずれかを貯留するタンクであることを特徴とする請求項１または２記載の非常用消火ポンプへの給水システム。   The inboard tank or the onboard tank is a tank that stores either seawater, fresh water or an intermediate liquid thereof, or a liquid that can be used for foam fire extinguishing. Water supply system. 非常用消火ポンプを、船内タンクまたは船上タンクに自動開閉弁を介して配管接続するとともに、シーチェストに自動開閉弁を介して配管接続してなることを特徴とする請求項１乃至３のいずれかに記載の非常用消火ポンプへの給水システム。
4. The emergency fire pump is connected to an inboard tank or an onboard tank via an automatic opening / closing valve, and is connected to a sea chest via an automatic opening / closing valve. The water supply system to the emergency fire pump described in 1.
JP2005196030A 2005-07-05 2005-07-05 Water supply system for emergency fire pump Expired - Fee Related JP4818648B2 (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008149798A (en) * 2006-12-15 2008-07-03 Mitsui Eng & Shipbuild Co Ltd Marine vessel
JP2008183105A (en) * 2007-01-29 2008-08-14 Mitsui Eng & Shipbuild Co Ltd Ship
JP2012187986A (en) * 2011-03-10 2012-10-04 Shin Kurushima Dockyard Co Ltd Attitude control device of car carrier ship
CN103736227A (en) * 2013-12-25 2014-04-23 广州中船黄埔造船有限公司 Pressure-maintaining type firefighting system
KR101824476B1 (en) * 2015-11-18 2018-02-01 삼성중공업 주식회사 Fire extinguishing equipment
JP2018149920A (en) * 2017-03-13 2018-09-27 三井Ｅ＆Ｓ造船株式会社 Vessel
KR20180121237A (en) * 2017-04-28 2018-11-07 대우조선해양 주식회사 System for dual pumping onboard high expansion foam
JP2019509212A (en) * 2016-03-18 2019-04-04 ヒュンダイ ヘビー インダストリーズ カンパニー リミテッド Ship with gas revaporization system

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JPS522794A (en) * 1975-06-24 1977-01-10 Toei Kyoto Seisakusho:Kk Health control table
JPH0261225A (en) * 1988-08-27 1990-03-01 Shimizu Corp Low-rise construction of weak ground
JP2002269651A (en) * 2001-03-13 2002-09-20 Shin Kurushima Dockyard Co Ltd Fire detection system in ship and local fire extinguishing system in ship engine room

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Publication number Priority date Publication date Assignee Title
JPS522794A (en) * 1975-06-24 1977-01-10 Toei Kyoto Seisakusho:Kk Health control table
JPH0261225A (en) * 1988-08-27 1990-03-01 Shimizu Corp Low-rise construction of weak ground
JP2002269651A (en) * 2001-03-13 2002-09-20 Shin Kurushima Dockyard Co Ltd Fire detection system in ship and local fire extinguishing system in ship engine room

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008149798A (en) * 2006-12-15 2008-07-03 Mitsui Eng & Shipbuild Co Ltd Marine vessel
JP2008183105A (en) * 2007-01-29 2008-08-14 Mitsui Eng & Shipbuild Co Ltd Ship
JP2012187986A (en) * 2011-03-10 2012-10-04 Shin Kurushima Dockyard Co Ltd Attitude control device of car carrier ship
CN103736227A (en) * 2013-12-25 2014-04-23 广州中船黄埔造船有限公司 Pressure-maintaining type firefighting system
KR101824476B1 (en) * 2015-11-18 2018-02-01 삼성중공업 주식회사 Fire extinguishing equipment
JP2019509212A (en) * 2016-03-18 2019-04-04 ヒュンダイ ヘビー インダストリーズ カンパニー リミテッド Ship with gas revaporization system
US11136103B2 (en) 2016-03-18 2021-10-05 Hyundai Heavy Industries Co., Ltd. Ship having gas regasification system
JP2018149920A (en) * 2017-03-13 2018-09-27 三井Ｅ＆Ｓ造船株式会社 Vessel
KR20180121237A (en) * 2017-04-28 2018-11-07 대우조선해양 주식회사 System for dual pumping onboard high expansion foam
KR102420943B1 (en) * 2017-04-28 2022-07-15 대우조선해양 주식회사 System for dual pumping onboard high expansion foam

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