JPS58149500A - 防液堤内に漏洩した低温液化ガスの蒸発抑制方法 - Google Patents

防液堤内に漏洩した低温液化ガスの蒸発抑制方法

Info

Publication number
JPS58149500A
JPS58149500A JP3211982A JP3211982A JPS58149500A JP S58149500 A JPS58149500 A JP S58149500A JP 3211982 A JP3211982 A JP 3211982A JP 3211982 A JP3211982 A JP 3211982A JP S58149500 A JPS58149500 A JP S58149500A
Authority
JP
Japan
Prior art keywords
liquefied gas
low
temperature liquefied
liquid
evaporation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3211982A
Other languages
English (en)
Inventor
Shigeo Tomura
重男 戸村
Yasushi Hasegawa
靖 長谷川
Hiroshi Nishio
洋 西尾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHI Corp
Original Assignee
IHI Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IHI Corp filed Critical IHI Corp
Priority to JP3211982A priority Critical patent/JPS58149500A/ja
Publication of JPS58149500A publication Critical patent/JPS58149500A/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • F17C13/126—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for large storage containers for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0119—Shape cylindrical with flat end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/018—Supporting feet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/037—Handling leaked fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 が蒸発するのを抑制する方法に関する。
低温液化ガスを収納した液化ガス貯槽が破損して液が防
液堤内に滞留し、火災が発生した場合、火災の輻射熱に
より低温液化ガスは蒸発する０ このような場合、従来は防液堤内の低温液化ガスの部表
面を高発泡材によって覆い蒸発を抑制していたが、高発
泡材は原料価格が高いばかりでなく、大掛かりな発泡設
備が必要である。
本発明は、高発泡材のかわりに粒状の断熱材を使用する
ことにより、安い価格と簡単な方法で低温液化ガスの蒸
発を抑制することを目的としてなしたものである。
以下、本発明の実施例を図面を参照しつつ説明する。
図中（１）はＬＮＧ，　ＬＰＧ等の低温液化ガスを収納
する液化ガス貯槽、（２）は液化ガス貯槽（１）の破損
個所、（３）は破損個所（２）から漏洩した低温液化ガ
ス（４）を溜める防液堤、（５）は火災によって発生し
た火炎、（６）は火災が発生した場合に低温液化ガス（
４）の部表面に浮遊させた粒状の断熱材である。
粒状の断熱材（６）゛とじては、例えば球状に加工した
パーライトボール等が使用されるが、部表面に浮くこと
のできる適切な比重の製品を製造し易く且つ形状の加工
も容易な不燃性の材料を選定する。
液化ガス貯槽（１）の破損個所（２）から漏洩し防液堤
（３）に溜った低温液化ガス（４）に火災が発生したら
、適宜の手段によって粒状の断熱材（６）を、液表面が
略完全に覆われるまで散布し、浮遊させて界面断熱層を
形成させる。これによって炎の輻射熱による低温液化ガ
ス（４）の蒸発が抑制される。
なお、本発明の実施例においては、低温液化ガスに火災
が発生した場合に粒状の断熱材をばら蒔くようにしてい
るが、低温液化ガスが漏洩したら火災が発生しなくとも
散布するようにしても良いこと、粒状の断熱材の形状は
球状に限らず多角形状等にしても実施し得ること、又、
熱を反射する効果を高めるために断熱材に銀白色のコー
ティングを施すこともできること、その他、本発明の要
旨を逸脱しない範囲内で種々変更を加え得ること、等は
勿論である。
本発明の防液堤内に漏洩した低温液化ガスの蒸発抑制方
法によれば、粒状の断熱材を使用できるため扱いやすく
、又発泡設備等を併用しても小容置とすることができる
ため設備費、運転維持費が安価となるという優れた効果
を奏し得る。
【図面の簡単な説明】
図は本発明の詳細な説明図である。 図中（１）は液化ガス貯槽、（２）は破損個所、（３）
は防液堤、（４）は低温液化ガス、（５）は火炎、（６
）は粒状の断熱材を示す。 特許出願人 石川島播磨重工業株式会社

Claims (1)

    【特許請求の範囲】
  1. １）液化ガス貯槽から漏洩した防液堤内の低温液化ガス
    の部表面に粒状の断熱材を均一に浮遊させて界面断熱層
    を形成させることを特徴とする防液堤内に漏洩した低温
    液化ガスの蒸発抑制方法。
JP3211982A 1982-03-01 1982-03-01 防液堤内に漏洩した低温液化ガスの蒸発抑制方法 Pending JPS58149500A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3211982A JPS58149500A (ja) 1982-03-01 1982-03-01 防液堤内に漏洩した低温液化ガスの蒸発抑制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3211982A JPS58149500A (ja) 1982-03-01 1982-03-01 防液堤内に漏洩した低温液化ガスの蒸発抑制方法

Publications (1)

Publication Number Publication Date
JPS58149500A true JPS58149500A (ja) 1983-09-05

Family

ID=12350001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3211982A Pending JPS58149500A (ja) 1982-03-01 1982-03-01 防液堤内に漏洩した低温液化ガスの蒸発抑制方法

Country Status (1)

Country Link
JP (1) JPS58149500A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6414423U (ja) * 1987-07-15 1989-01-25

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4935286A (ja) * 1972-07-31 1974-04-01
JPS4960012A (ja) * 1972-10-12 1974-06-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4935286A (ja) * 1972-07-31 1974-04-01
JPS4960012A (ja) * 1972-10-12 1974-06-11

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6414423U (ja) * 1987-07-15 1989-01-25
JPH0522428Y2 (ja) * 1987-07-15 1993-06-08

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