JP2011526870A - Leakage self-rescue storage container for storing dangerous chemicals - Google Patents

Leakage self-rescue storage container for storing dangerous chemicals Download PDF

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JP2011526870A
JP2011526870A JP2011516954A JP2011516954A JP2011526870A JP 2011526870 A JP2011526870 A JP 2011526870A JP 2011516954 A JP2011516954 A JP 2011516954A JP 2011516954 A JP2011516954 A JP 2011516954A JP 2011526870 A JP2011526870 A JP 2011526870A
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JP5190538B2 (en
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▲躍▼春 ▲ジン▼
俊博 ▲張▼
川 ▲ジン▼
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北京天▲チン▼化工有限責任公司
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/82—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for poisons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • 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
    • F17C3/00—Vessels not under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D5/00—Devices using endothermic chemical reactions, e.g. using frigorific mixtures

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

危険化学物質を保管する漏出自己救済保管容器は、危険化学物質を保管する第１容器（１０１，２０１）と、第１容器（１０１，２０１）内に設置及び固定された第２容器（１０３，２０３）とを備える。第２容器（１０３，２０３）は実質的に無害な液化ガス（１０５，２０５）を収容し、外部環境に通じる開閉可能な開口を有する。危険化学物質が事故によって漏れた場合又は危険化学物質が高温環境にさらされた場合、第２容器（１０３，２０３）内の液化ガスを放出する。このため、第１容器（１０１，２０１）内の温度が低下し、これにより第１容器（１０１，２０１）内の圧力が下がる。従って、過度な圧力によって引き起こされる漏出又は爆発が避けられ、危険化学物質の粘度が増加する。危険化学物質の粘度の増加によって、漏れが生じた場合におけるリーク速度が下がる。その結果、より効果的な救済のための貴重な時間が確保される。The leakage self-rescue storage container for storing dangerous chemical substances includes a first container (101, 201) for storing dangerous chemical substances, and a second container (103, 101) installed and fixed in the first container (101, 201). 203). The second container (103, 203) contains a substantially harmless liquefied gas (105, 205) and has an openable / closable opening that leads to the external environment. When the dangerous chemical substance leaks due to an accident or when the dangerous chemical substance is exposed to a high temperature environment, the liquefied gas in the second container (103, 203) is released. For this reason, the temperature in a 1st container (101,201) falls, and, thereby, the pressure in a 1st container (101,201) falls. Thus, leakage or explosion caused by excessive pressure is avoided and the viscosity of the hazardous chemical is increased. Increasing the viscosity of the hazardous chemical reduces the leak rate in the event of a leak. As a result, valuable time for more effective relief is secured.

Description

本発明は、危険化学物質を保管する保管容器に関し、特に危険化学物質を保管する漏出自己救済保管容器に関する。   The present invention relates to a storage container for storing dangerous chemical substances, and more particularly to a leakage self-rescue storage container for storing dangerous chemical substances.

化学物質は工業生産及び人々の生活に不可欠である。また、大部分の化学物質は危険化学物質であり、大部分の危険化学物質は気体と、液体、特に沸点が低い液体とを含む流体である。危険化学物質の生産、保管、輸送及び使用が行われている間に、容器の経年劣化、高温環境及び事故によって漏出問題が時折発生し、漏出問題の発生は環境被害につながり悲惨な結果をもたらす。迅速かつ効果的な自己救済を行うことによって、救済のためのより貴重な時間が確保される。これにより、環境被害を減らし悲惨な結果を避けることができる可能性が大きくなる。   Chemicals are essential for industrial production and people's lives. Most chemical substances are dangerous chemical substances, and most dangerous chemical substances are fluids including gas and liquid, particularly liquid having a low boiling point. During the production, storage, transportation and use of hazardous chemicals, leakage problems sometimes occur due to aging of containers, high temperature environment and accidents, and the occurrence of leakage problems will cause environmental damage and have disastrous consequences. . By providing quick and effective self-relief, more valuable time for relief is reserved. This increases the possibility of reducing environmental damage and avoiding disastrous consequences.

米国特許第４７２３９７４号明細書U.S. Pat. No. 4,723,974

流体状の危険化学物質が漏れた場合、リーク速度を下げるために、漏出汚染の全体量を減らすために、救済の難易度を低くするために、そして救済のための時間をより多く確保するために、どのようにして保管容器の圧力を下げ、危険製品の粘度を増やすかが重要になる。   If a fluid hazardous chemical leaks, to reduce the leak rate, to reduce the overall amount of leaked contamination, to reduce the difficulty of relief, and to allow more time for relief In addition, it is important how to reduce the pressure in the storage container and increase the viscosity of the dangerous product.

本発明に係る漏出自己救済保管容器は、危険化学物質を保管する漏出自己救済保管容器において、前記危険化学物質を保管する第１容器と、該第１容器内に設置及び固定され、実質的に無害な液化ガスを収容し、外部環境に通じる開閉可能な開口を有する第２容器とを備えることを特徴とする。   A leakage self-rescue storage container according to the present invention is a leakage self-rescue storage container for storing dangerous chemical substances. The first container for storing dangerous chemical substances is installed and fixed in the first container. It is characterized by comprising a second container that contains harmless liquefied gas and has an openable and closable opening that leads to the external environment.

第１容器内の危険化学物質が事故によって漏れた場合、又は第１容器が高温環境にさらされた場合、第２容器内の液化ガスを放出することによって、第１容器内の温度が低下し、これにより第１容器内の圧力が下がる。このため、過度の圧力によって引き起こされる第１容器からの漏出又は第１容器の爆発が避けられ、危険化学物質の粘度が増加する。危険化学物質の粘度の増加によって、漏れが生じた場合におけるリーク速度が下がる。その結果、より効果的な救済のための貴重な時間を確保することができる。   When dangerous chemicals in the first container are leaked due to an accident or when the first container is exposed to a high temperature environment, the temperature in the first container is decreased by releasing the liquefied gas in the second container. This reduces the pressure in the first container. For this reason, leakage from the first container or explosion of the first container caused by excessive pressure is avoided, and the viscosity of the hazardous chemical increases. Increasing the viscosity of the hazardous chemical reduces the leak rate in the event of a leak. As a result, valuable time for more effective relief can be secured.

本発明に係る漏出自己救済保管容器を、可燃性、爆発性、有毒性、腐食性、放射能性又は化学汚染性を有する危険化学物質を保管するため、具体的には、より危険な気体又は流体を保管するために使用することができる。より危険な気体又は流体は、特に、沸点が低い流体等の危険化学物質である。危険化学物質は、オキシ塩化リン、ガソリン、臭素、液体アンモニア、液体塩素、液体硫化水素、シアン化水素酸、イソシアン酸メチル、エチレンオキシド、天然ガス、液化石油ガス、アルコール、クロロホルム等を含むが、これらに限定されない。   In order to store the hazardous chemical substance having flammable, explosive, toxic, corrosive, radioactive or chemical pollutant in the leakage self-rescue storage container according to the present invention, specifically, a more dangerous gas or Can be used to store fluids. More dangerous gases or fluids are particularly dangerous chemicals such as fluids with lower boiling points. Hazardous chemicals include, but are not limited to, phosphorus oxychloride, gasoline, bromine, liquid ammonia, liquid chlorine, liquid hydrogen sulfide, hydrocyanic acid, methyl isocyanate, ethylene oxide, natural gas, liquefied petroleum gas, alcohol, chloroform, etc. Not.

危険化学物質を保管する第１容器を、容器に保管される化学製品の特性に基づいて選択することができる。危険化学物質を保管する技術において、様々な従来の容器を使用することができる。本発明に係る漏出自己救済保管容器を分離させることができ、任意の車両に搭載することができる。   The first container for storing hazardous chemicals can be selected based on the characteristics of the chemical product stored in the container. Various conventional containers can be used in the technology for storing hazardous chemicals. The leakage self-rescue storage container according to the present invention can be separated and mounted on any vehicle.

第２容器は第１容器内に設置される。第２容器は実質的に無害な液化ガスを収容している。第１容器内の危険化学物質が事故によって漏れた場合、又は第１容器が高温環境にさらされた場合、第２容器に設けられた通気弁を開けることによって第２容器から液化ガスを気体の状態で放出することができる。液化ガスを放出することによって周囲環境（即ち、第１容器）の熱が吸収される。このため、第１容器の温度が低下し、これによって第１容器内の圧力が下がる。従って、過度の圧力によって引き起こされる漏出又は爆発が避けられ、危険化学物質の粘度が上昇する。粘度の上昇によって、漏出が発生した場合のリーク速度が下がる。その結果、より効果的な救済のための貴重な時間が確保される。   The second container is installed in the first container. The second container contains a substantially harmless liquefied gas. When dangerous chemicals in the first container leak due to an accident or when the first container is exposed to a high temperature environment, the liquefied gas is removed from the second container by opening the vent valve provided in the second container. Can be released in a state. By releasing the liquefied gas, the heat of the surrounding environment (ie, the first container) is absorbed. For this reason, the temperature of a 1st container falls and, thereby, the pressure in a 1st container falls. Accordingly, leakage or explosion caused by excessive pressure is avoided and the viscosity of the hazardous chemical is increased. The increase in viscosity reduces the leak rate when leakage occurs. As a result, valuable time for more effective relief is secured.

第２容器を、当業者によく知られた方法を用いて第１容器内に固定することができる。第１容器に対する第２容器の相対的な位置は、第２容器の中心が第１容器の中心に近く、かつ、第２容器が第１容器に直接接触しない位置であることが好ましい。これにより、第２容器は、主に第１容器の内部と熱を交換し、第１容器の壁を介して外部環境と熱を交換することはない。   The second container can be secured within the first container using methods well known to those skilled in the art. The relative position of the second container with respect to the first container is preferably a position where the center of the second container is close to the center of the first container and the second container does not directly contact the first container. Thereby, the second container mainly exchanges heat with the inside of the first container, and does not exchange heat with the external environment via the wall of the first container.

第２容器内の液化ガスを、臨界温度が常温よりも高くて環境及び人に実質的に無害な液化ガスから選択することができる。液化ガスは常温で常圧の場合には気体であり、常温で加圧した場合には液体である。漏出自己救済保管容器を作動させていない場合、第２容器は加圧されており、液化ガスは液体に保たれる。しかしながら、漏出自己救済保管容器を作動させている間、第２容器は外部に通じ、液化ガスは気化して周囲の熱を吸収する。液化ガスは、容易に入手することができ、安価な液体二酸化炭素であることが好ましい。   The liquefied gas in the second container can be selected from liquefied gases having a critical temperature higher than room temperature and substantially harmless to the environment and people. The liquefied gas is a gas at normal temperature and normal pressure, and is a liquid when pressurized at normal temperature. When the leaking self-rescue storage container is not activated, the second container is pressurized and the liquefied gas is kept liquid. However, while operating the leaking self-rescue storage container, the second container leads to the outside, and the liquefied gas is vaporized and absorbs ambient heat. The liquefied gas can be easily obtained and is preferably inexpensive liquid carbon dioxide.

第２容器は、硬くて耐圧性を有し、スチール製のタンク又はシリンダであることが望ましい。第２容器は円筒状、球状又は蛇管状等の任意の形状で耐圧性を有する。   The second container is preferably hard and pressure resistant, and is a steel tank or cylinder. The second container has a pressure resistance in an arbitrary shape such as a cylindrical shape, a spherical shape, or a serpentine shape.

本発明に係る第２容器は外部環境に通じる開閉可能な開口を有する。第２容器は、一又は複数の開口を有する。一の実施の形態では、開口は手動式通気弁である。他の実施の形態では、開口は自動式通気弁である。更に他の実施の形態では、第２容器は手動式通気弁だけではなく、自動式通気弁も有する。   The second container according to the present invention has an openable and closable opening that communicates with the external environment. The second container has one or more openings. In one embodiment, the opening is a manual vent valve. In other embodiments, the opening is an automatic vent valve. In yet another embodiment, the second container has not only a manual vent valve but also an automatic vent valve.

一の実施の形態では、第１容器は、漏れ検出装置も有している。漏れ検出装置が危険化学物質の漏れを検出した場合、漏出信号が制御システムに配信される。制御システムは、自動式通気弁を自動的に開くように制御し、警報信号を送信する。   In one embodiment, the first container also has a leak detection device. If the leak detection device detects a leak of hazardous chemicals, a leak signal is delivered to the control system. The control system controls the automatic vent valve to automatically open and sends an alarm signal.

他の実施の形態では、第１容器は、温度センサも有している。温度センサが所定温度よりも高い周囲温度を検出した場合、異常温度信号が制御システムに配信される。制御システムは、自動式通気弁を自動的に開くように制御し、警報信号を送信する。   In other embodiments, the first container also has a temperature sensor. If the temperature sensor detects an ambient temperature that is higher than the predetermined temperature, an abnormal temperature signal is delivered to the control system. The control system controls the automatic vent valve to automatically open and sends an alarm signal.

本発明に係る液化ガスとして液体二酸化炭素が選択された場合、当業者は液体二酸化炭素の気化中に形成されるドライアイスが開口を塞がないように第２容器の開口をどのように配置すればよいかを知っている。   When liquid carbon dioxide is selected as the liquefied gas according to the present invention, those skilled in the art will know how to arrange the opening of the second container so that dry ice formed during the vaporization of liquid carbon dioxide does not block the opening. I know what to do.

本発明に係る保管容器を、液状の危険化学物質を生産、保管、輸送及び使用するための保管容器として使用することができる。本発明に係る保管容器を使用することによって、より危険な気体及び流体、特に沸点が低い危険な化学的流体を含む液状の危険化学物質を生産、保管、輸送及び使用する場合に生じる安全上の危険性を下げることができる。   The storage container according to the present invention can be used as a storage container for producing, storing, transporting and using a liquid dangerous chemical substance. By using the storage container according to the present invention, safety hazards arising when producing, storing, transporting and using liquid hazardous chemicals including dangerous gases and fluids, particularly dangerous chemical fluids having a low boiling point, are obtained. Risk can be reduced.

本発明に係る一の実施の形態の構成図である。It is a block diagram of one embodiment concerning the present invention. 本発明に係る他の実施の形態の構成図である。It is a block diagram of other embodiment which concerns on this invention.

以下に示す本発明の好ましい実施の形態では、本発明の技術内容を、図面を参照しながら更に説明する。図面で示される内容は、本発明の特許請求の範囲を限定するのではなく、むしろ本発明を説明するために使用される内容であると理解されるべきである。   In the following preferred embodiments of the present invention, the technical contents of the present invention will be further described with reference to the drawings. It should be understood that the content shown in the drawings is not intended to limit the scope of the claims of the present invention but rather is used to describe the present invention.

各図では同じ構成要素は類似の番号を有する。例えば、図１における第１容器の番号は１０１であり、図２における第１容器の番号は２０１である。   In each figure, the same components have similar numbers. For example, the number of the first container in FIG. 1 is 101, and the number of the first container in FIG.

図１は本発明に係る一の実施の形態の構成図である。第２容器１０３は、危険化学物質１０２を保管する第１容器１０１内に、支持柱１０４によって固定されている。第２容器１０３は円筒状である。   FIG. 1 is a configuration diagram of an embodiment according to the present invention. The second container 103 is fixed by a support pillar 104 in the first container 101 that stores the dangerous chemical substance 102. The second container 103 is cylindrical.

第２容器１０３は液化ガス１０５を収容する。第２容器１０３内の液化ガス１０５の量を常時検出して必要な場合に液化ガス１０５を補完するために、第２容器１０３内に、液体レベルセンサ（図示せず）を設置することができる。   The second container 103 contains the liquefied gas 105. A liquid level sensor (not shown) can be installed in the second container 103 to constantly detect the amount of the liquefied gas 105 in the second container 103 and supplement the liquefied gas 105 when necessary. .

第２容器１０３は、外部環境に通じる開閉可能な通気弁１０６を有する。第２容器１０３は、一又は複数の通気弁１０６を有してもよい。   The second container 103 has an openable / closable vent valve 106 that communicates with the external environment. The second container 103 may have one or a plurality of vent valves 106.

液化ガス１０５を、通気弁１０６又は他の供給口（図示せず）を介して、第２容器１０３の中へ注入又は補完することができる。   The liquefied gas 105 can be injected or supplemented into the second container 103 via a vent valve 106 or other supply port (not shown).

第１容器１０１が事故によって漏れを生じさせた場合又は第１容器１０１が高温環境にさらされた場合、通気弁１０６は開かれ、第２容器１０３内にある液化ガス１０５を放出する。放出している間、液化ガス１０５は周囲環境（即ち、第１容器１０１）の熱を吸収する。その結果、第１容器１０１の温度が低下し、これにより第１容器１０１内の圧力が下がる。このため、過度の圧力によって引き起こされる第１容器１０１からの漏出又は第１容器１０１の爆発が避けられ、危険化学物質１０２の粘度が増加する。危険化学物質１０２の粘度の増加によって、漏れが生じた場合におけるリーク速度が下がる。   When the first container 101 is leaked due to an accident or when the first container 101 is exposed to a high temperature environment, the vent valve 106 is opened, and the liquefied gas 105 in the second container 103 is released. During discharge, the liquefied gas 105 absorbs heat from the surrounding environment (ie, the first container 101). As a result, the temperature of the first container 101 is lowered, and thereby the pressure in the first container 101 is lowered. For this reason, leakage from the first container 101 or explosion of the first container 101 caused by excessive pressure is avoided, and the viscosity of the dangerous chemical substance 102 increases. Increasing the viscosity of the hazardous chemical 102 reduces the leak rate when a leak occurs.

図２は本発明に係る他の実施の形態の構成図である。蛇管状の第２容器２０３は危険化学物質２０２を保管する第１容器２０１内に固定されている。第２容器２０３は液化ガス２０５を収容している。   FIG. 2 is a configuration diagram of another embodiment according to the present invention. The serpentine second container 203 is fixed in the first container 201 for storing the dangerous chemical substance 202. The second container 203 contains a liquefied gas 205.

第２容器２０３は、外部環境に通じる開閉可能な通気弁２０６と液化ガス２０５が注入される供給口２０７とを有する。第２容器２０３は、一又は複数の通気弁２０６と、一又は複数の供給口２０７とを有してもよい。   The second container 203 has an openable / closable vent valve 206 communicating with the external environment and a supply port 207 into which the liquefied gas 205 is injected. The second container 203 may have one or more ventilation valves 206 and one or more supply ports 207.

第１容器２０１は漏れ検出装置（又は温度センサ）２０８を有する。漏れ検出装置（又は温度センサ）２０８が、第１容器２０１が漏れを生じさせていること（又は第１容器２０１が高温環境にさらされていること）を検出した場合、検出信号が制御システム２０９に配信される。制御システム２０９は第２容器２０３内の液化ガス２０５を放出するため、通気弁２０６を全開する又は部分的に開くように制御する。放出している間、液化ガス２０５は周囲環境（即ち、第１容器２０１）の熱を吸収する。その結果、第１容器２０１の温度は低下し、これにより第１容器２０１内の圧力が下がる。このため、過度の圧力によって引き起こされる第１容器２０１からの漏出又は第１容器２０１の爆発が避けられ、危険化学物質２０２の粘度が増加する。危険化学物質２０２の粘度の増加によって、漏れが生じた場合におけるリーク速度が下がる。   The first container 201 has a leak detection device (or temperature sensor) 208. If the leak detection device (or temperature sensor) 208 detects that the first container 201 is leaking (or that the first container 201 is exposed to a high temperature environment), a detection signal is sent to the control system 209. Delivered to. The control system 209 controls the vent valve 206 to be fully opened or partially opened in order to release the liquefied gas 205 in the second container 203. During discharge, the liquefied gas 205 absorbs the heat of the surrounding environment (ie, the first container 201). As a result, the temperature of the first container 201 decreases, and thereby the pressure in the first container 201 decreases. For this reason, leakage from the first container 201 or explosion of the first container 201 caused by excessive pressure is avoided, and the viscosity of the hazardous chemical 202 increases. Increasing the viscosity of the hazardous chemical 202 reduces the leak rate when a leak occurs.

Claims (9)

危険化学物質を保管する漏出自己救済保管容器において、
前記危険化学物質を保管する第１容器と、
該第１容器内に設置及び固定され、実質的に無害な液化ガスを収容し、外部環境に通じる開閉可能な開口を有する第２容器と
を備えることを特徴とする漏出自己救済保管容器。 In a leaking self-rescue storage container that stores dangerous chemicals,
A first container for storing the dangerous chemical substance;
A leakage self-rescue storage container comprising: a second container installed and fixed in the first container, containing a substantially harmless liquefied gas, and having an openable and closable opening that communicates with an external environment. 前記第２容器は硬くて耐圧性がある容器であること
を特徴とする請求項１に記載の漏出自己救済保管容器。 The leakage self-rescue storage container according to claim 1, wherein the second container is a hard and pressure-resistant container. 前記第２容器は円筒状、球状又は蛇管状であること
を特徴とする請求項１又は請求項２に記載の漏出自己救済保管容器。 The leakage self-rescue storage container according to claim 1 or 2, wherein the second container is cylindrical, spherical or serpentine. 前記第１容器に対する前記第２容器の相対的な位置は、前記第２容器の中心が前記第１容器の中心に近く、かつ、前記第２容器が前記第１容器に直接接触しない位置であること
を特徴とする請求項１から請求項３のいずれか１つに記載の漏出自己救済保管容器。 The relative position of the second container with respect to the first container is a position where the center of the second container is close to the center of the first container and the second container does not directly contact the first container. The leakage self-rescue storage container according to any one of claims 1 to 3, wherein: 前記実質的に無害な液化ガスは液体二酸化炭素であること
を特徴とする請求項１から請求項４のいずれか１つに記載の漏出自己救済保管容器。 The leaking self-rescue storage container according to any one of claims 1 to 4, wherein the substantially harmless liquefied gas is liquid carbon dioxide. 前記開口は手動式通気弁であること
を特徴とする請求項１から請求項５のいずれか１つに記載の漏出自己救済保管容器。 The leakage self-rescue storage container according to any one of claims 1 to 5, wherein the opening is a manual vent valve. 前記開口は自動式通気弁であること
を特徴とする請求項１から請求項５のいずれか１つに記載の漏出自己救済保管容器。 The leakage self-rescue storage container according to any one of claims 1 to 5, wherein the opening is an automatic vent valve. 前記第１容器は漏れ検出装置を有し、
前記自動式通気弁は、前記漏れ検出装置が前記危険化学物質の漏れを検出した場合に、自動的に開くように制御されること
を特徴とする請求項７に記載の漏出自己救済保管容器。 The first container has a leak detection device;
The leak type self-rescue storage container according to claim 7, wherein the automatic vent valve is controlled to automatically open when the leak detection device detects a leak of the hazardous chemical substance. 前記第１容器は温度センサを有し、
前記自動式通気弁は、前記温度センサが所定温度よりも高い周囲温度を検出した場合に、自動的に開くように制御されること
を特徴とする請求項７に記載の漏出自己救済保管容器。 The first container has a temperature sensor;
The leak type self-rescue storage container according to claim 7, wherein the automatic vent valve is controlled to automatically open when the temperature sensor detects an ambient temperature higher than a predetermined temperature.
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