JP2021010397A

JP2021010397A - Hydrogen station disaster prevention facility

Info

Publication number: JP2021010397A
Application number: JP2019124584A
Authority: JP
Inventors: 梅原　寛; Hiroshi Umehara; 寛梅原
Original assignee: Hochiki Corp
Current assignee: Hochiki Corp
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2021-02-04
Anticipated expiration: 2039-07-03
Also published as: JP7473722B2; JP7320395B2; JP2023161072A

Abstract

To alleviate restriction of a construction site and an area by shortening a required safe distance from a road and a boundary zone while improving safety property, and in addition, and surely protect from neighborhood fire disaster or the like for suppressing significant cost increase.SOLUTION: A hydrogen station 10B comprises a dispenser 14 for supplying hydrogen to a vehicle. On a top peripheral edge of a protection target zone including a dispenser installation region 14a, for example a peripheral edge part of a roof 18 covering the dispenser 14, a sheet development unit 50 is installed, and a partition sheet 56 wound into a roll-state is held thereon. When fire disaster following hydrogen leakage occurs, holding of the partition sheet 56 is released and the partition sheet is fallen for developing the sheet for partitioning the surrounding of the protection target zone including the dispenser installation region, and discharge of flame and heat to outside by fire disaster is suppressed, and a fire extinguishing agent is scattered from a fire extinguishment head 52 provided on the rood 18 side, and a cooling agent is scattered from a cooling agent scattering head 62 to the sheet surface, for enhancing flame blocking property and heat blocking property.SELECTED DRAWING: Figure 5

Description

本発明は、水素を車両に供給するディスペンサーを配置した水素ステーションの防災設備に関する。 The present invention relates to a disaster prevention facility for a hydrogen station in which a dispenser for supplying hydrogen to a vehicle is arranged.

環境負荷低減技術として、化石燃料を使用するガソリン車に代わって、電気自動車や燃料電池車の開発、普及が政府方針として示され、エコカーが今後急速に社会に普及することが期待される。電気自動車を普及させるためのインフラとして充電施設の普及が必須であるのに対し、燃料電池車においては、水素ステーションの設置が必須となっている。 As a technology to reduce the environmental load, the government policy is to develop and popularize electric vehicles and fuel cell vehicles instead of gasoline vehicles that use fossil fuels, and it is expected that eco-cars will rapidly spread to society in the future. While it is essential to popularize charging facilities as an infrastructure for popularizing electric vehicles, it is essential to install hydrogen stations for fuel cell vehicles.

水素ステーションには、水素製造装置を備えた水素ステーション（オンサイト型水素ステーション）と、水素製造装置を備えず、水素製造設備、オンサイト型水素ステーション等から水素の供給を受けて蓄圧貯蔵する水素ステーション（オフサイト型水素ステーション）がある。 The hydrogen station includes a hydrogen station equipped with a hydrogen production device (on-site type hydrogen station) and hydrogen that does not have a hydrogen production device and receives hydrogen supply from a hydrogen production facility, an on-site type hydrogen station, etc. and stores it under pressure. There is a station (off-site hydrogen station).

また水素ステーションの普及拡大を促進するには、公道に隣接したスペースを利用すること、特にガソリンスタンドに併設することが、とりわけ具体化への道筋として考えられている。 In addition, in order to promote the spread and expansion of hydrogen stations, it is considered that the use of space adjacent to public roads, especially the installation of hydrogen stations, is especially considered as a way to materialize.

一方、水素の危険性を考慮し、万一事故が発生した場合に近隣に所在する学校、病院、住宅などの安全性確保は、重要な要件となっている。このようなことから、一般的に水素を生産、貯蔵、取扱する設備を有する水素ステーションには、ガス検知器、火災（炎）感知器、水噴霧設備等の防災設備の設置が義務づけられている。さらには漏洩事故が発生した場合の緊急遮断弁の設置、温度上昇防止装置の付置等災害の未然防止装置を設置するとともに、万一火災が発生した場合を考えて公道、敷地境界との安全距離が定められている。 On the other hand, considering the danger of hydrogen, ensuring the safety of schools, hospitals, houses, etc. located in the vicinity is an important requirement in the unlikely event of an accident. For this reason, hydrogen stations that generally have facilities for producing, storing, and handling hydrogen are obliged to install disaster prevention equipment such as gas detectors, fire (flame) detectors, and water spray equipment. .. Furthermore, in the event of a leak accident, an emergency shutoff valve will be installed, a temperature rise prevention device will be installed to prevent disasters, and a safe distance from public roads and site boundaries will be provided in case of a fire. Is stipulated.

この安全距離は、水素のボンベ充填圧力が４０ＭＰａ（自動車充填圧３５ＭＰａ）であった当初は、水素設備（例えばディスペンサー）の公道からの距離は６ｍ、同じく敷地境界からの距離は６ｍであったが、1回の水素満充填で航続（走行）可能な距離を延ばすため、現在は水素のボンベ充填圧力が８２ＭＰａ（自動車充填圧７０ＭＰａ）まで昇圧されており、当初に比べ大量の水素を貯蔵し、取扱うことになるため、事故発生時の危険性が増大することを考慮して、公道からの距離は８ｍ、同じく敷地境界からの距離は８ｍと長くなっている。 At the beginning, when the hydrogen cylinder filling pressure was 40 MPa (automobile filling pressure 35 MPa), the safe distance was 6 m from the public road of hydrogen equipment (for example, dispenser), and 6 m from the site boundary. In order to extend the cruising (traveling) distance with one full hydrogen filling, the hydrogen cylinder filling pressure is currently increased to 82MPa (automobile filling pressure 70MPa), and a large amount of hydrogen is stored compared to the beginning. Since it will be handled, the distance from the public road is 8 m and the distance from the site boundary is as long as 8 m in consideration of the increased risk in the event of an accident.

特開２０１７−０３８７８９号公報Japanese Unexamined Patent Publication No. 2017-038789 特開２０１７−０３２１２６号公報Japanese Unexamined Patent Publication No. 2017-032126 特開２０１２−０６６０８６号公報Japanese Unexamined Patent Publication No. 2012-066086

しかしながら、水素ステーションの安全距離を確保するためには、相当面積の敷地が必要となり、首都圏、中部圏、近畿圏をはじめとする都市部ではその確保が特に難しく、さらにガソリン等給油ステーション（サービスステーション：ＳＳ）併設型の水素ステーションにおいては、安全距離の確保は建設の厳しい制約条件となる。 However, in order to secure a safe distance for hydrogen stations, a considerable area of land is required, which is particularly difficult to secure in urban areas such as the Tokyo metropolitan area, Chubu area, and Kinki area, and gas refueling stations (services) Station: SS) In the hydrogen refueling station, securing a safe distance is a strict constraint on construction.

さらには、現防災設備が主に水素ステーション内の火災・漏洩に対する防災設備であるのに対して、併設型水素ステーションにおけるガソリン等給油ステーション側での火災や、近隣での火災、公道での自動車事故や車両火災に対しても、水素ステーションを防護することが必要であり、この観点からも現状の防災設備では十分とはいえない側面がある。しかし水素ステーション建設にはガソリン等給油ステーション建設の数倍のコストが必要とされ、そのうえでの過剰な防災設備の設置は、コストの面で普及の足枷となるため、コスト低減も普及促進の大きな要素である。 Furthermore, while the current disaster prevention equipment is mainly disaster prevention equipment for fires and leaks inside hydrogen stations, fires on the side of refueling stations such as gasoline at annexed hydrogen stations, fires in the neighborhood, and automobiles on public roads. It is necessary to protect the hydrogen station against accidents and vehicle fires, and from this point of view, the current disaster prevention equipment is not sufficient. However, construction of hydrogen stations requires several times the cost of construction of refueling stations such as gasoline, and excessive installation of disaster prevention equipment on top of that is a hindrance to popularization in terms of cost, so cost reduction is also a major factor in promoting widespread use. Is.

本発明は、安全性を向上させた上で、道路及び敷地境界からの所要安全距離を短くして建設地の制約、面積的な制約を緩和し、更には近隣火災等から確実に防護し、一方で大幅なコスト増とならない水素ステーションの防災設備を提供することを目的とする。 The present invention improves safety, shortens the required safety distance from road and site boundaries, relaxes restrictions on construction sites and areas, and reliably protects against nearby fires and the like. On the other hand, the purpose is to provide disaster prevention equipment for hydrogen stations that does not significantly increase costs.

（水素ステーションの防災設備）
本発明は、水素ステーションの防災設備に於いて、
所定の異常事象発生時に、水素を車両に供給するディスペンサーの設置領域を含む所定の防護対象区画を囲んで仕切る仕切手段と、
仕切手段で仕切られた防護対象区画内に消火剤を散布する第１消火手段と、
を備えたことを特徴とする。 (Disaster prevention equipment for hydrogen station)
The present invention is used in disaster prevention equipment for hydrogen stations.
A partitioning means that surrounds and partitions a predetermined protected section including an installation area of a dispenser that supplies hydrogen to a vehicle when a predetermined abnormal event occurs.
The first fire extinguishing means for spraying a fire extinguishing agent in the protected area partitioned by the partitioning means,
It is characterized by being equipped with.

（防災設備の制御）
防護対象区画の水素漏洩又は区画火災の何れかが発生した場合に、第１消火手段により防護対象区画内に消火剤を散布する。 (Control of disaster prevention equipment)
When either hydrogen leakage in the protected area or a fire in the area occurs, a fire extinguishing agent is sprayed in the protected area by the first fire extinguishing means.

（冷却剤散布手段の追加）
更に、防護対象区画を仕切る仕切手段に冷却剤を散布する冷却手段を備える。 (Addition of coolant spraying means)
Further, a cooling means for spraying a coolant is provided as a partitioning means for partitioning the protected section.

（冷却手段を備えた防災設備の制御１）
所定の異常事象として防護対象区画の水素漏洩、区画火災、近隣火災又は近隣事故の何れかが発生した場合に、第１消火手段により防護対象区画内に消火剤を散布すると共に、冷却手段により仕切手段に冷却剤を散布する。 (Control of disaster prevention equipment equipped with cooling means 1)
When any of hydrogen leakage, section fire, neighborhood fire or neighborhood accident occurs in the protected section as a predetermined abnormal event, the fire extinguishing agent is sprayed in the protected section by the first fire extinguishing means, and the partition is partitioned by the cooling means. Spray the means with a coolant.

（冷却手段を備えた防災設備の制御２）
所定の異常事象として防護対象区画の近隣火災又は近隣事故の何れかが発生した場合に、冷却手段により仕切手段に冷却剤を散布する。 (Control of disaster prevention equipment equipped with cooling means 2)
When either a nearby fire or a nearby accident occurs in the protected area as a predetermined abnormal event, the cooling agent is sprayed on the partition means by the cooling means.

（第２消火手段の追加）
更に、仕切手段で仕切られた防護対象区画の外側に消火剤を散布する第２消火手段を備える。 (Addition of second fire extinguishing means)
Further, a second fire extinguishing means for spraying a fire extinguishing agent is provided on the outside of the protected area partitioned by the partitioning means.

（第２消火手段を追加した防災設備の制御）
所定の異常事象として防護対象区画の水素漏洩、区画火災、近隣火災又は近隣事故の何れかが発生した場合に、第１消火手段により防護対象区画内に消火剤を散布すると共に、第２消火手段により防護対象区画の外側に消火剤を散布する。 (Control of disaster prevention equipment with the addition of a second fire extinguishing means)
When any of hydrogen leakage, section fire, neighborhood fire or neighborhood accident occurs in the protected section as a predetermined abnormal event, the fire extinguishing agent is sprayed in the protected section by the first fire extinguishing means and the second fire extinguishing means. Spray the fire extinguishing agent on the outside of the protected area.

（第２消火手段と冷却手段を追加した防災設備）
更に、
防護対象区画を仕切る仕切手段に冷却剤を散布する冷却手段と、
仕切手段で仕切られた防護対象区画の外側に消火剤を散布する第２の消火手段と、
を備える。 (Disaster prevention equipment with the addition of a second fire extinguishing means and cooling means)
In addition
A cooling means that sprays a coolant on the partition means that divides the protected area, and
A second fire extinguishing means that sprays a fire extinguishing agent on the outside of the protected area partitioned by the partitioning means,
To be equipped.

（第２消火手段と冷却手段を追加した防災設備の制御１）
所定の異常事象として防護対象区画の近隣火災又は近隣事故の何れかが発生した場合に、第２消火手段により防護対象区画の外側に消火剤を散布すると共に冷却手段により仕切手段に冷却剤を散布する。 (Control of disaster prevention equipment with the addition of a second fire extinguishing means and cooling means 1)
When either a nearby fire or a nearby accident occurs in the protected area as a predetermined abnormal event, the second fire extinguishing means sprays the fire extinguishing agent on the outside of the protected area and the cooling means sprays the cooling agent on the partition means. To do.

（第２消火手段と冷却手段を追加した防災設備の制御２）
所定の異常事象として防護対象区画の水素漏洩、区画火災、近隣火災又は近隣事故の何れかが発生した場合に、第１消火手段により防護対象区画内に消火剤を散布すると共に、第２消火手段により防護対象区画の外側に消火剤を散布し、更に、冷却手段により仕切手段に冷却剤を散布する。 (Control of disaster prevention equipment with the addition of a second fire extinguishing means and cooling means 2)
When any of hydrogen leakage, section fire, neighborhood fire or neighborhood accident occurs in the protected section as a predetermined abnormal event, the fire extinguishing agent is sprayed in the protected section by the first fire extinguishing means and the second fire extinguishing means. The fire extinguishing agent is sprayed on the outside of the protected section, and the cooling agent is further sprayed on the partition means by the cooling means.

（上向き散布手段）
更に、散布手段を設け、所定の異常事象として防護対象区画の水素漏洩が発生した場合に、上向き散布手段は防護対象区画内空間の下方から上方に向けて所定の漏洩水素排出促進剤を散布する。 (Upward spraying means)
Further, when a spraying means is provided and a hydrogen leak occurs in the protected section as a predetermined abnormal event, the upward spraying means sprays the prescribed leaked hydrogen discharge accelerator from the lower side to the upper side of the space in the protected area. ..

（上向き散布手段による漏洩水素排出促進剤と消火剤の切替散布）
漏洩水素の水素濃度が所定の第１濃度条件を充足したときに上向き散布手段から防護対象区画内に漏洩水素排出促進剤を散布し、
漏洩水素濃度が第１濃度条件と比較して高い所定の第２濃度条件を充足したときに上向き散布手段からの漏洩水素排出促進剤の散布を停止し又は停止せずに第１消火手段から防護対象区画内に消火剤を散布する。 (Switching spraying of leaked hydrogen discharge accelerator and fire extinguishing agent by upward spraying means)
When the hydrogen concentration of the leaked hydrogen satisfies the predetermined first concentration condition, the leaked hydrogen discharge promoter is sprayed into the protected area from the upward spraying means.
Protects from the first fire extinguishing means by stopping or without stopping the spraying of the leaked hydrogen discharge accelerator from the upward spraying means when the predetermined second concentration condition, which is higher than the first concentration condition, is satisfied. Spray fire extinguishing agent in the target area.

（仕切シートの保持と展開）
仕切手段は、仕切シートを通常時は非展開状態に保持し、所定の異常事象として水素漏洩、区画火災、近隣火災又は近隣事故の何れかが発生した場合に、仕切シートの保持を解除して下方に展開する。 (Holding and unfolding the partition sheet)
The partitioning means normally holds the partitioning sheet in an undeployed state, and releases the holding of the partitioning sheet in the event of a hydrogen leak, a section fire, a nearby fire, or a nearby accident as a predetermined abnormal event. Deploy downwards.

（仕切シートの放出開口）
仕切シートは、展開したときに防護対象区画の上部に放出開口を設けるように配置される。 (Discharge opening of partition sheet)
The partition sheet is arranged so as to provide a discharge opening at the top of the protected compartment when unfolded.

（仕切シートの防火性、耐火性等）
仕切シートは防火性、耐火性又は耐熱性を有し、更に遮熱性、遮炎性又は遮煙性を有する。更に、仕切シートは布状体とする。 (Fire resistance, fire resistance, etc. of partition sheets)
The partition sheet has fire resistance, fire resistance or heat resistance, and further has heat shielding property, flame shielding property or smoke shielding property. Further, the partition sheet is a cloth-like body.

（消火用水）
消火剤と冷却剤を消火用水とする。 (Fire extinguishing water)
Use fire extinguishing agent and coolant as fire extinguishing water.

（シート端のチューブ水充填によるシート補強構造）
仕切シートはシート側端辺及び／又はシート下端辺に沿ってチューブが設けられ、
仕切シートの展開中又は展開後にチューブに充水して当該仕切りシートを補強する。 (Sheet reinforcement structure by filling the tube edge with water)
The partition sheet is provided with a tube along the sheet side edge and / or the sheet lower edge.
The tube is filled with water during or after the partition sheet is unfolded to reinforce the partition sheet.

（第１消火手段による漏洩水素排出促進剤と消火剤の切替散布）
第１消火手段は、防護対象区画内に所定の漏洩水素排出促進剤又は消火剤の何れか一方又は両方散布する手段を備え、
所定の異常事象として防護対象区画の水素漏洩が発生した場合に、漏洩水素濃度が所定の第３濃度条件を充足したときに第１消火手段から防護対象区画内に漏洩水素排出促進剤を散布し、漏洩水素濃度が第３濃度条件と比較して高い所定の第４濃度条件を充足したときに第１消火手段から防護対象区画内に消火剤又は消火剤と漏洩水素排出促進剤を散布する。 (Switching spraying of leaked hydrogen discharge accelerator and fire extinguishing agent by the first fire extinguishing means)
The first fire extinguishing means includes means for spraying one or both of a predetermined leaked hydrogen discharge promoter or a fire extinguishing agent in the protected area.
When hydrogen leakage occurs in the protected area as a predetermined abnormal event, when the leaked hydrogen concentration satisfies the specified third concentration condition, the leaked hydrogen discharge accelerator is sprayed from the first fire extinguishing means into the protected area. When a predetermined fourth concentration condition in which the leaked hydrogen concentration is higher than that of the third concentration condition is satisfied, a fire extinguishing agent or a fire extinguishing agent and a leaked hydrogen discharge promoter are sprayed from the first fire extinguishing means into the protected area.

（第２消火手段による排出促進ガスと消火剤の切替散布）
更に、仕切手段で仕切られた防護対象区画の外側に漏洩水素排出促進剤又は消火剤の何れか一方又は両方を散布する第２消火手段を備え、
所定の異常事象として防護対象区画の水素漏洩が発生した場合に、漏洩水素濃度が所定の第３濃度条件を充足したときに第２消火手段から防護対象区画の外側に漏洩水素排出促進剤を散布し、漏洩水素濃度が第３濃度条件と比較して高い所定の第４濃度条件を充足したときに第１消火手段から防護対象区画の外側に消火剤又は消火剤と漏洩排出促進剤を散布する。 (Switching spraying of emission promoting gas and fire extinguishing agent by the second fire extinguishing means)
Further, a second fire extinguishing means for spraying either or both of the leaked hydrogen discharge promoter and the fire extinguishing agent is provided on the outside of the protected section partitioned by the partitioning means.
When hydrogen leakage occurs in the protected area as a predetermined abnormal event, the leaked hydrogen discharge accelerator is sprayed from the second fire extinguishing means to the outside of the protected area when the leaked hydrogen concentration satisfies the predetermined third concentration condition. Then, when the predetermined fourth concentration condition, which is higher than the third concentration condition, is satisfied, the fire extinguishing agent or the fire extinguishing agent and the leak discharge accelerator are sprayed from the first fire extinguishing means to the outside of the protected area. ..

（第１発明の効果）
本発明は、水素ステーションの防災設備に於いて、所定の異常事象発生時に、水素を車両に供給するディスペンサーの設置領域を含む所定の防護対象区画を囲んで仕切る仕切手段と、仕切手段で仕切られた防護対象区画内に消火剤を散布する第１消火手段とを備えたため、水素ステーション又はその近隣周辺で異常事象が発生したときに、ディスペンサーの設置領域を含む防護対象区画を周囲から仕切るように囲僥して仕切区画を形成することで防護対象区画を仕切り、防護対象区画内で発生した異常事象を封じ込めて周囲への影響を抑制する。また、防護対象区画の外側で発生した異常事象から防護対象区画内を防護する。 (Effect of the first invention)
The present invention is divided into a partitioning means for partitioning a predetermined protection target section including an installation area of a dispenser for supplying hydrogen to a vehicle when a predetermined abnormal event occurs in a disaster prevention facility of a hydrogen station, and a partitioning means. Since it is equipped with a first fire extinguishing means for spraying a fire extinguishing agent in the protected area, when an abnormal event occurs near the hydrogen station or its vicinity, the protected area including the dispenser installation area is separated from the surrounding area. By enclosing and forming a partition section, the protected section is partitioned, and abnormal events that occur in the protected section are contained and the influence on the surroundings is suppressed. In addition, the inside of the protected area will be protected from abnormal events that occur outside the protected area.

また、仕切手段で仕切られた防護対象区画内に、消火手段により消火剤を散布することで、防護対象区画内で発生した異常事象の拡大を抑制し、一方、防護対象区画の外側で発生した異常事象に対しては、その影響を受けにくくする。その結果、道路や敷地境界からの所要安全距離を短くすることが可能となり、水素ステーション建設の制約条件を緩和可能とする。 In addition, by spraying a fire extinguishing agent in the protected area partitioned by the partitioning means, the spread of abnormal events that occurred in the protected area was suppressed, while it occurred outside the protected area. Make it less susceptible to abnormal events. As a result, the required safety distance from the road or site boundary can be shortened, and the restrictions on hydrogen station construction can be relaxed.

（防災設備の制御の効果）
また、防護対象区画の水素漏洩（例えばディスペンサーからの水素漏洩）または区画火災（防護対象区画内での火災）の何れかの異常事象が発生した場合に、第１消火手段により防護対象区画内に消火剤を散布するようにしたため、水素漏洩（火災以前）が発生した場合には、漏洩した水素を外部へ排出することを促進して内部への充満を抑止し、また、散布した消火剤により内部空間及びディスペンサーや水素充填中の車両を冷却して、火災の発生（引火、発火）を抑止する。 (Effect of control of disaster prevention equipment)
In addition, when an abnormal event such as hydrogen leakage from the protected area (for example, hydrogen leakage from the dispenser) or fire in the area (fire in the area to be protected) occurs, the first fire extinguishing means is used to enter the area to be protected. Since the fire extinguishing agent is sprayed, if a hydrogen leak (before the fire) occurs, the leaked hydrogen is promoted to be discharged to the outside to prevent the filling inside, and the sprayed fire extinguishing agent is used. Cool the internal space, dispenser and hydrogen-filled vehicle to prevent fires (ignition, ignition).

また、区画火災である場合には、当該火災を抑制或いは消火或いは拡大防止し、また外部への延焼を抑止する。 In addition, in the case of a compartmentalized fire, the fire is suppressed, extinguished or prevented from spreading, and the spread of the fire to the outside is suppressed.

（冷却手段の追加と制御の効果）
更に、防護対象区画を仕切る仕切手段に冷却剤を散布する冷却手段を備え、例えば、防護対象区画の水素漏洩、区画火災、近隣火災又は近隣事故（防護対象区画外の近隣周辺における火災や車両事故、ガス漏れ事故等）の何れかの異常事象が発生した場合に、第１消火手段により防護対象区画内に消火剤を散布すると共に、冷却手段により仕切手段に冷却剤を散布するようにしたため、これにより仕切シートが冷却されると共に、例えば布状体である仕切シートの織目隙間が冷却剤によって塞がれ、このため、異常事象が火災である場合には、仕切シートの防火、耐火、耐熱性が強化されて仕切シートが保護されると共に、遮熱、遮炎、遮煙性が向上するので外部への延焼、煙漏洩が抑止され、同様に、異常事象が近隣火災、近隣事故である場合は、外部から防護対象区画内部への火災延焼等を抑止する。また、仕切シートに冷却剤を散布することで仕切シートの重量が増加するので、異常事象に依らず仕切シートの展開状態が安定する。 (Addition of cooling means and effect of control)
Further, the partitioning means for partitioning the protected section is provided with a cooling means for spraying a cooling agent, for example, hydrogen leakage of the protected section, a section fire, a neighborhood fire or a nearby accident (a fire or a vehicle accident in the vicinity outside the protected section). , Gas leak accident, etc.), the fire extinguishing agent was sprayed in the protected area by the first fire extinguishing means, and the cooling agent was sprayed on the partition means by the cooling means. As a result, the partition sheet is cooled, and at the same time, for example, the weave gap of the partition sheet, which is a cloth-like body, is closed by the coolant. Therefore, when the abnormal event is a fire, the partition sheet is fireproof, fireproof, and so on. The heat resistance is strengthened to protect the partition sheet, and the heat shield, flame shield, and smoke shield are improved to prevent the spread of fire and smoke leakage to the outside. Similarly, abnormal events occur in nearby fires and nearby accidents. If there is, prevent the spread of fire from the outside to the inside of the protected area. Further, since the weight of the partition sheet is increased by spraying the coolant on the partition sheet, the unfolded state of the partition sheet is stable regardless of an abnormal event.

（第１消火手段の上向き散布の効果）
また、更に、上向き散布手段を設け、所定の異常事象として防護対象区画の水素漏洩が発生した場合に、上向き散布手段は防護対象区画内空間の下方から上方に向けて所定の漏洩水素排出促進剤を散布するようにしたため、消火剤の散布により発生した下方から上方に向かう気流に乗せて漏洩した水素を外部へ効率よく排出させ、速やかに爆発下限界を下回る濃度に希釈する。 (Effect of upward spraying of the first fire extinguishing means)
Further, when an upward spraying means is provided and hydrogen leakage occurs in the protected section as a predetermined abnormal event, the upward spraying means is a predetermined leaked hydrogen discharge promoter from the lower side to the upper side of the space in the protected area. Is made to be sprayed, so that the leaked hydrogen is efficiently discharged to the outside on the airflow from the lower side to the upper side generated by the spraying of the fire extinguishing agent, and the hydrogen is quickly diluted to a concentration below the lower explosive limit.

（上向き散布手段の制御の効果）
また、漏洩水素の水素濃度が所定の第１濃度条件を充足したときに上向き散布手段から防護対象区画内に漏洩水素排出促進剤を散布し、漏洩水素濃度が第１濃度条件と比較して高い所定の第２濃度条件を充足したときに上向き散布手段からの漏洩水素排出促進剤の散布を停止し又は停止せずに第１消火手段から防護対象区画内に消火剤を散布するようにしたため、水素濃度が低い場合には消火剤は散布されず水損を防止できると共に、漏洩水素排出促進剤例えば排出促進用ガスの散布で希釈した結果濃度が下がらない場合には消火剤散布により、より確実な防護へと切り替えられる。 (Effect of controlling upward spraying means)
Further, when the hydrogen concentration of the leaked hydrogen satisfies the predetermined first concentration condition, the leaked hydrogen discharge promoter is sprayed into the protected section from the upward spraying means, and the leaked hydrogen concentration is higher than that of the first concentration condition. When the predetermined second concentration condition is satisfied, the spraying of the leaked hydrogen discharge promoter from the upward spraying means is stopped or not stopped, and the fire extinguishing agent is sprayed from the first fire extinguishing means into the protected area. If the hydrogen concentration is low, the fire extinguishing agent is not sprayed and water damage can be prevented, and if the concentration does not decrease as a result of diluting with a leaked hydrogen discharge promoter, for example, spraying a discharge promoting gas, spraying the fire extinguishing agent is more reliable. Can be switched to protection.

（仕切シートの保持と展開の効果）
また、仕切手段は、シート状の仕切シートを通常時は非展開状態に保持し、水素漏洩、区画火災、近隣火災又は近隣事故の何れかが発生した場合に、仕切シートの保持を解除して下方に展開するようにしたため、例えば鋼板製の防火シャッター等と比べると軽量であることから屋根等の支持構造をそれほど強化しなくとも設置可能であり、また防火シャッターの場合、床に障害物があると床まで降下せず、すき間が空くので消火、延焼防止等の効果が低減してしまうが、布状である仕切シートは柔軟性があるので、例えば長めに採寸しておくとすき間の発生を抑制することができ、消火、延焼防止等の低減度合いが抑制できる。また、展開状態において例えば防護対象区画内からの人の避難を容易にする。 (Effect of holding and unfolding partition sheet)
In addition, the partitioning means holds the sheet-shaped partition sheet in an undeployed state at normal times, and releases the holding of the partition sheet in the event of a hydrogen leak, a section fire, a nearby fire, or a nearby accident. Since it is deployed downward, it is lighter than, for example, a fire shutter made of steel plate, so it can be installed without strengthening the support structure such as the roof, and in the case of a fire shutter, there are obstacles on the floor. If there is, it will not descend to the floor and there will be a gap, so the effects of fire extinguishing and fire spread prevention will be reduced, but since the cloth-like partition sheet is flexible, for example, if you measure it longer, a gap will occur. Can be suppressed, and the degree of reduction such as fire extinguishing and fire spread prevention can be suppressed. It also facilitates the evacuation of, for example, people from within the protected area in the deployed state.

（仕切シートの放出開口の効果）
仕切シートは、展開したときに防護対象区画の上部に放出開口を設けるように配置されたため、展開した仕切シートの上部の放出開口から漏洩した水素を更に効率良く外部に排出させ、速やかに爆発下限界を下回る濃度に希釈する。 (Effect of discharge opening of partition sheet)
Since the partition sheet is arranged so as to provide a discharge opening at the upper part of the protected section when it is deployed, hydrogen leaked from the discharge opening at the upper part of the deployed partition sheet is more efficiently discharged to the outside, and the explosion occurs promptly. Dilute to a concentration below the limit.

（仕切シートの防火性、耐火性等）
仕切シートは防火性、耐火性又は耐熱性を有し、更に遮熱性、遮炎性又は遮煙性を有するようにしたため、火災で高温となっても防火性、耐火性又は耐熱性により火災により、高温となっても燃えることがなく、また、異常事象が区画火災の場合は、熱、炎、煙を遮って外部への延焼や煙の漏出を抑止し、異常事象が近隣火災、近隣事故である場合に、熱、炎、煙を遮って外部から防護対象区画内への火災延焼や煙の流入を抑止して防護する。 (Fire resistance, fire resistance, etc. of partition sheets)
Since the partition sheet has fire resistance, fire resistance or heat resistance, and also has heat insulation, flame insulation or smoke insulation, even if the temperature becomes high due to a fire, the partition sheet will be affected by fire due to fire resistance, fire resistance or heat resistance. , It does not burn even at high temperatures, and if the abnormal event is a section fire, the heat, flame, and smoke are blocked to prevent the spread of fire and smoke leakage to the outside, and the abnormal event is a nearby fire or a nearby accident. In this case, heat, flame, and smoke are blocked to prevent the spread of fire and the inflow of smoke from the outside into the protected area.

（布状仕切シートの効果）
仕切シートは、布状体としたため、仕切手段を柔軟且つ軽量とすることができ、保持構造を一層簡略化することができる。また、展開状態において例えば防護対象区画内からの人の避難を容易にする。 (Effect of cloth-like partition sheet)
Since the partition sheet is a cloth-like body, the partition means can be made flexible and lightweight, and the holding structure can be further simplified. It also facilitates the evacuation of, for example, people from within the protected area in the deployed state.

（消火用水の効果）
また消火剤と冷却剤を消火用水としたため、消火剤と冷却剤を消火用水により兼用することで、設備構成が簡単となり、また、十分な量の消火剤と冷却剤の散布を可能とする。 (Effect of fire extinguishing water)
In addition, since the fire extinguishing agent and the cooling agent are used as fire extinguishing water, the equipment configuration can be simplified by using the fire extinguishing agent and the cooling agent together with the fire extinguishing water, and a sufficient amount of the fire extinguishing agent and the cooling agent can be sprayed.

（シート端辺のチューブ充水によるシート補強構造の効果）
また、仕切シートはシート側端辺及び／又はシート下端辺に沿ってチューブが設けられ、仕切シートの展開中又は展開後に、チューブに例えば消火用水を充水して当該仕切りシートを補強するようにしたため、充水されたチューブの重量によって仕切シートの展開状態を保ち、例えば消火剤、冷却剤の散布に伴う圧力や風圧等により仕切シートが捲れたり動いたりしてしまうことを抑制して仕切り状態を確実に維持可能とする。 (Effect of seat reinforcement structure by filling the tube on the edge of the seat)
Further, the partition sheet is provided with a tube along the sheet side edge and / or the lower end edge of the sheet, and the tube is filled with fire extinguishing water, for example, to reinforce the partition sheet during or after the partition sheet is deployed. Therefore, the unfolded state of the partition sheet is maintained by the weight of the filled tube, and the partition sheet is prevented from being rolled up or moved due to the pressure or wind pressure associated with the spraying of the fire extinguishing agent or the cooling agent. Can be reliably maintained.

（第１消火手段による漏洩水素排出促進剤と消火剤の切替散布の効果）
また、第１消火手段は、防護対象区画内に所定の漏洩水素排出促進剤又は消火剤の何れか一方又は両方散布する手段を備え、所定の異常事象として防護対象区画の水素漏洩が発生した場合に、漏洩水素濃度が所定の第３濃度条件を充足したときに第１消火手段から防護対象区画内に漏洩水素排出促進剤を散布し、漏洩水素濃度が第３濃度条件と比較して高い所定の第４濃度条件を充足したときに第１消火手段から防護対象区画内に消火剤又は消火剤と漏洩水素排出促進剤を散布するようにしたため、防護対象区画内の水素濃度が低い場合には消火用水は散布されず水損を防止できると共に漏洩水素排出促進剤例えば排出促進ガスの散布で水素濃度を希釈し、排出促進ガスで希釈した結果濃度が下がらない場合には例えば消火剤散布により、より確実な防護へと切り替えられる。 (Effect of switching spraying of leaked hydrogen discharge accelerator and fire extinguishing agent by the first fire extinguishing means)
In addition, the first fire extinguishing means is provided with means for spraying either or both of a predetermined leaked hydrogen discharge promoter or a fire extinguishing agent in the protected section, and when hydrogen leakage occurs in the protected section as a predetermined abnormal event. In addition, when the leaked hydrogen concentration satisfies the predetermined third concentration condition, the leaked hydrogen discharge accelerator is sprayed from the first fire extinguishing means into the protected section, and the leaked hydrogen concentration is higher than that of the third concentration condition. When the 4th concentration condition of is satisfied, the fire extinguishing agent or the fire extinguishing agent and the leaked hydrogen discharge promoter are sprayed from the 1st fire extinguishing means into the protected area. Therefore, when the hydrogen concentration in the protected area is low, Fire extinguishing water is not sprayed and water damage can be prevented, and if the hydrogen concentration is diluted by spraying a leaked hydrogen emission promoter, for example, emission promoting gas, and the concentration does not decrease as a result of diluting with the emission promoting gas, for example, by spraying a fire extinguishing agent Switch to more reliable protection.

（第２消火手段による漏洩水素排出促進剤と消火剤の切替散布の効果）
更に、仕切手段で仕切られた防護対象区画の外側に漏洩水素排出促進剤又は消火剤の何れか一方又は両方を散布する第２消火手段を備え、所定の異常事象として防護対象区画の水素漏洩が発生した場合に、漏洩水素濃度が所定の第３濃度条件を充足したときに第２消火手段から防護対象区画の外側に漏洩水素排出促進剤を散布し、漏洩水素濃度が第３濃度条件と比較して高い所定の第４濃度条件を充足したときに第２消火手段から防護対象区画の外側に消火剤又は消火剤と漏洩水素排出促進剤を散布するようにしたため、防護対象区画内の水素濃度が低い場合には防護対象区画の外側に消火用水は散布されず水損を防止できると共に漏洩水素排出促進剤例えば排出促進ガスの散布で防護対象区画から漏洩した水素濃度を外側で更に希釈し、第１消火手段による排出促進ガスの散布で希釈した結果濃度が下がらない場合には防護対象区画の外側での例えば消火剤散布により、より確実な防護へと切り替えられる。 (Effect of switching spraying of leaked hydrogen discharge accelerator and fire extinguishing agent by the second fire extinguishing means)
Further, a second fire extinguishing means for spraying one or both of the leaked hydrogen discharge promoter or the fire extinguishing agent is provided outside the protected section partitioned by the partitioning means, and hydrogen leakage of the protected section occurs as a predetermined abnormal event. When it occurs, when the leaked hydrogen concentration satisfies the predetermined third concentration condition, the leaked hydrogen discharge promoter is sprayed from the second fire extinguishing means to the outside of the protected area, and the leaked hydrogen concentration is compared with the third concentration condition. When the high predetermined fourth concentration condition is satisfied, the fire extinguishing agent or the fire extinguishing agent and the leaked hydrogen discharge promoter are sprayed from the second fire extinguishing means to the outside of the protected area, so that the hydrogen concentration in the protected area is high. When is low, fire extinguishing water is not sprayed on the outside of the protected area to prevent water damage, and the concentration of hydrogen leaked from the protected area is further diluted on the outside by spraying a leaked hydrogen emission promoter, for example, emission promoting gas. If the concentration does not decrease as a result of dilution by spraying the emission promoting gas by the first fire extinguishing means, the protection can be switched to more reliable protection by spraying a fire extinguishing agent outside the protected area, for example.

併設型水素ステーションの設備概要を平面で示した説明図Explanatory drawing showing the outline of the equipment of the annexed hydrogen station in a plane 水素ステーションの防災設備の第１実施形態を示した説明図Explanatory drawing showing the first embodiment of the disaster prevention equipment of a hydrogen station 水素ステーションの防災設備に設置されるシート展開装置の実施形態を示した説明図Explanatory drawing which showed embodiment of sheet deployment apparatus installed in disaster prevention equipment of hydrogen station 図２の水素ステーションの防災設備の制御系統を示した説明図Explanatory diagram showing the control system of the disaster prevention equipment of the hydrogen station of FIG. 水素ステーションの防災設備の動作を示した説明図Explanatory diagram showing the operation of disaster prevention equipment at a hydrogen station 水素ステーションの防災設備の第２実施形態を示した説明図Explanatory drawing showing the second embodiment of the disaster prevention equipment of a hydrogen station 図６の水素ステーションの防災設備の制御系統を示した説明図Explanatory diagram showing the control system of the disaster prevention equipment of the hydrogen station of FIG. シート周縁に充水用のチューブを設けたシート展開装置をシート展開状態で示した説明図Explanatory drawing which showed the sheet unfolding apparatus which provided the tube for filling water around the sheet peripheral state in the sheet unfolded state. 図８のシート展開装置を設けた水素ステーションの防災設備の動作を示した説明図Explanatory drawing which showed the operation of the disaster prevention equipment of the hydrogen station provided with the sheet unfolding device of FIG. シート上部に放出開口を設けたシート展開装置をシート展開状態で示した説明図Explanatory drawing which showed the sheet unfolding apparatus which provided the discharge opening in the upper part of a sheet in a sheet unfolded state. 図１０のシート展開装置を設け且つ消火剤を上向きに散布する水素ステーションの防災設備を動作状態で示した説明図Explanatory drawing which showed the disaster prevention equipment of the hydrogen station which provided the sheet deploying apparatus of FIG. 10 and sprays a fire extinguishing agent upward in an operating state. 第１消火手段、第２消火手段及び冷却剤散布手段を備えた水素ステーションの防災設備の異常事象に対する制御パターンを示した説明図Explanatory drawing showing the control pattern for the abnormal event of the disaster prevention equipment of the hydrogen station equipped with the 1st fire extinguishing means, the 2nd fire extinguishing means and the coolant spraying means.

［実施形態の基本的な概念］
図１は併設型水素ステーションの設備概要を平面で示した説明図である。なお、水素ステーションと併設されるガソリン等給油ステーションは、通常、サービスステーション（ＳＳ）として知られている。 [Basic concept of the embodiment]
FIG. 1 is an explanatory view showing the outline of the equipment of the side-by-side hydrogen station in a plane. The gasoline refueling station attached to the hydrogen station is usually known as a service station (SS).

本実施形態の基本的な概念は、水素を車両（燃料電池車）に供給するディスペンサー１４を設けた水素ステーション１０Ｂでの所定の異常事象発生時に、ディスペンサー１４の設置領域（ディスペンサー設置領域１４ａ）を含む防護対象区画を仕切シートにより囲んで仕切区画を形成する。
即ち、仕切区画内に防護対象区画が包含されるように仕切る。 The basic concept of the present embodiment is to set the installation area (dispenser installation area 14a) of the dispenser 14 when a predetermined abnormal event occurs at the hydrogen station 10B provided with the dispenser 14 that supplies hydrogen to the vehicle (fuel cell vehicle). A partition section is formed by surrounding the protected section including the partition sheet with a partition sheet.
That is, the partition is partitioned so that the protected section is included in the partition.

これにより、例えば異常事象が防護対象区画内の火災（区画火災）である場合には、仕切シートの遮熱、遮炎性によって周辺への延焼を抑止し、また仕切シートの遮煙性によって周辺への煙拡散を抑止して汚損等を防止する。 As a result, for example, when an abnormal event is a fire in the protected area (compartment fire), the heat insulation and flame insulation of the partition sheet prevent the spread of fire to the surrounding area, and the smoke insulation property of the partition sheet prevents the spread of fire to the surrounding area. Suppresses the spread of smoke to prevent pollution.

また例えば異常事象が防護対象区画外の近隣火災である場合には、同様に、近隣火災から防護対象空間内への延焼を抑止して、例えばディスペンサー１４を防護する。また仕切シートは布状体であるため、防護対象区画内からの人の避難も容易である。 Further, for example, when the abnormal event is a nearby fire outside the protected area, similarly, the spread of fire from the nearby fire into the protected space is suppressed to protect the dispenser 14, for example. Moreover, since the partition sheet is a cloth-like body, it is easy for people to evacuate from the protected area.

水素ステーション１０Ｂの防災設備は、仕切シートにより囲んで仕切った防護対象区画へ消火剤を散布する。 The disaster prevention equipment of the hydrogen station 10B sprays the fire extinguishing agent on the protected section surrounded by the partition sheet.

これによって、異常事象が水素漏洩（火災以前）である場合には、防護対象区画内の水素を外部へ排出することを促進して内部への充満を抑止する。また、消火剤を防護対象空間の下方から上方へ散布することで、防護対象空間上部開口から上空へ水素を排出する効果を高め、速やかに爆発下限界を下回る濃度に希釈する。また、周辺への漏出充満を効果的に抑止する。また、内部空間及びディスペンサーや水素充填中の車両を冷却して、火災の発生（引火）を抑止する。 As a result, when the abnormal event is a hydrogen leak (before a fire), the hydrogen in the protected area is promoted to be discharged to the outside and the filling to the inside is suppressed. In addition, by spraying the fire extinguishing agent from below to above the protected space, the effect of discharging hydrogen from the upper opening of the protected space to the sky is enhanced, and the concentration is quickly diluted below the lower explosive limit. In addition, it effectively suppresses leakage to the surrounding area. In addition, the internal space and the dispenser and the vehicle filled with hydrogen are cooled to prevent the occurrence of fire (ignition).

また、異常事象が区画火災である場合には、防護対象区画内部の火災を消火、抑制或いは拡大防止し、また外部への延焼を抑止する。このとき防護対象区画は仕切シートで仕切られているので、外部への散逸が抑えられ防護対象区画内に効率良く消火剤を散布して消火効率を上げると共に、防護対象区画外周辺の水損が抑止される。 In addition, when the abnormal event is a section fire, the fire inside the protected section is extinguished, suppressed or prevented from spreading, and the spread of the fire to the outside is suppressed. At this time, since the protected section is partitioned by a partition sheet, the dissipation to the outside is suppressed, the fire extinguishing agent is efficiently sprayed inside the protected section to improve the fire extinguishing efficiency, and water damage around the outside of the protected section is caused. It is deterred.

そして、異常事象が近隣火災、近隣事故である場合には、上記同様の作用により外部から防護対象区画内への火災延焼を抑止する。 Then, when the abnormal event is a nearby fire or a nearby accident, the fire spread from the outside into the protected area is suppressed by the same action as described above.

また、水素ステーション１０Ｂの防災設備は、防護対象区画を仕切る仕切シートに冷却剤、例えば冷却水を散布する。 Further, in the disaster prevention equipment of the hydrogen station 10B, a cooling agent, for example, cooling water is sprayed on a partition sheet for partitioning a protected section.

これにより仕切シートが冷却されると共に、布状である仕切シートの織目隙間が冷却水によって塞がれる。このため、異常事象が区画火災である場合には、仕切シートの防火、耐火、耐熱性が強化されて仕切りシートが保護され、仕切状態の劣化が防止されると共に、遮熱、遮炎、遮煙性が向上するので外部への延焼、煙漏洩が抑止される。同様に、異常事象が近隣火災、近隣事故である場合は、外部から防護対象区画内部への火災延焼、煙の流入等を抑止する。また、仕切シートに冷却水を散布することで仕切シートの重量が増加するので、異常事象に依らず仕切シートの展開状態が安定する。 As a result, the partition sheet is cooled, and the weave gap of the cloth-like partition sheet is closed by the cooling water. Therefore, when the abnormal event is a compartment fire, the fire protection, fire resistance, and heat resistance of the partition sheet are enhanced to protect the partition sheet, prevent deterioration of the partition state, and heat shield, flame shield, and shield. Since the smoke property is improved, the spread of fire and smoke leakage to the outside are suppressed. Similarly, if the abnormal event is a nearby fire or a nearby accident, prevent the spread of fire and the inflow of smoke from the outside into the protected area. Further, since the weight of the partition sheet is increased by spraying the cooling water on the partition sheet, the unfolded state of the partition sheet is stable regardless of an abnormal event.

水素ステーション１０Ｂの防災設備は、前述した仕切区画の形成、消火剤散布、冷却剤散布を組合せる。これにより、各種異常事象の発生に対し最適に、上記の相乗的効果が得られる。 The disaster prevention equipment of the hydrogen station 10B combines the above-mentioned formation of a partition section, spraying of a fire extinguishing agent, and spraying of a cooling agent. As a result, the above synergistic effect can be obtained optimally for the occurrence of various abnormal events.

このような簡易且つ簡易な構成で、従来に比べてより効果的且つ効率的に防護対象区画を防護し、また周辺をも保護することができるので、所要安全距離を短くすることができる。 With such a simple and simple configuration, it is possible to protect the protected section more effectively and efficiently than in the conventional case, and also to protect the surrounding area, so that the required safety distance can be shortened.

ここで、仕切シートで囲んで仕切る水素ステーション１０Ｂの防護対象区画とは、少なくとも車両に水素を供給するディスペンサー１４が設置されている領域を含む区画（３次元空間領域）であり、ティスペンサー設置領域１４ａを含む区画であれば水素ステーション１０Ｂ内の任意の区画を防護対象区画とすることができる。 Here, the protected section of the hydrogen station 10B surrounded by a partition sheet is a section (three-dimensional space area) including at least an area in which the dispenser 14 for supplying hydrogen to the vehicle is installed, and is a tispenser installation area. Any section in the hydrogen station 10B can be a protected section as long as it is a section including 14a.

また、仕切区画は防護対象区画を包含する区画であるが、防護対象区画と同じ区画であっても良い。また、防護対象区画は複数であっても良い。また、１つの防護対象区画内に設置されるディスペンサーの台数は任意である。以下詳細に説明する。 Further, although the partition section is a section including the protected section, it may be the same section as the protected section. In addition, there may be a plurality of protected sections. Further, the number of dispensers installed in one protected section is arbitrary. This will be described in detail below.

［水素ステーションの概要］
図１に示すように、併設型水素ステーション１０は、道路に面した部分を除く三方を防火壁１１で囲んだ敷地内を、境界Ｌを挟んでガソリン等給油ステーション（サービスステーション：ＳＳ）１０Ａと水素ステーション１０Ｂに分け、ガソリン等給油ステーション１０Ａには固定給油設備１２等を設置し、水素ステーション１０Ｂにはディスペンサー１４等を設置している。 [Overview of hydrogen station]
As shown in FIG. 1, the annexed hydrogen station 10 is a gas refueling station (service station: SS) 10A across the boundary L in the site surrounded by fire protection walls 11 on three sides except the portion facing the road. It is divided into hydrogen stations 10B, fixed refueling equipment 12 and the like are installed in the gasoline refueling station 10A, and dispensers 14 and the like are installed in the hydrogen station 10B.

本実施形態は、水素製造装置を備えた水素ステーション（オンサイト型水素ステーション）１０Ｂを例にとっており、敷地の奥行側に防火壁１５で仕切られた建屋を水素製造エリア１０Ｃとし、そこに水素製造装置２２、圧縮機２４及び貯蔵設備２５を設置し、注入口２０ａから地下に設置した原燃料タンク２０に原燃料を所蔵し、原燃料タンク２０から水素製造装置２２に原燃料を取り込んで水素を生成し、圧縮機２４で所定圧力に圧縮して貯蔵設備２５に貯蔵し、貯蔵設備２５からディスペンサー１４に水素を送り、例えば７０ＭＰａ差圧充填により燃料電池車（ＦＣＶ）に水素を供給して充填可能としている。 In this embodiment, a hydrogen station (on-site hydrogen station) 10B equipped with a hydrogen production device is taken as an example, and a building partitioned by a fireproof wall 15 on the depth side of the site is designated as a hydrogen production area 10C, and hydrogen production is performed there. The device 22, the compressor 24, and the storage facility 25 are installed, the raw fuel is stored in the raw fuel tank 20 installed underground from the injection port 20a, and the raw fuel is taken into the hydrogen production device 22 from the raw fuel tank 20 to charge hydrogen. It is generated, compressed to a predetermined pressure by the compressor 24, stored in the storage facility 25, hydrogen is sent from the storage facility 25 to the dispenser 14, and hydrogen is supplied to the fuel cell vehicle (FCV) by, for example, 70 MPa differential pressure filling. It is possible.

一方、ガソリン等給油ステーション１０Ａには、固定給油設備１２の給油スタンド１２ａによりガソリン車等にガソリンを給油可能とし、また、固定注油設備１３の注油スタンド１３ａによりポリタンク等に灯油を注油可能としており、更に、事務所２６、自動車点検整備場２８、洗車機３０を設けている。 On the other hand, at the gasoline refueling station 10A, the refueling station 12a of the fixed refueling facility 12 enables gasoline to be refueled to a gasoline vehicle or the like, and the refueling station 13a of the fixed refueling facility 13 enables kerosene to be lubricated to a plastic tank or the like. Further, an office 26, an automobile inspection and maintenance place 28, and a car wash machine 30 are provided.

ガソリン等給油ステーション１０Ａに設置した固定給油設備１２には雨水がかからないように屋根１６を設置している。また、水素ステーション１０Ｂに設置したディスペンサー１４にも雨水がかからないように屋根１８を設置しており、ディスペンサー１４の屋根１８は漏洩して上昇する水素を大気に拡散させるため、上からの雨水は通過しないが、下からの空気は上方に抜ける通気構造となっている。 A roof 16 is installed in the fixed refueling facility 12 installed at the gas refueling station 10A so as not to be exposed to rainwater. Further, a roof 18 is also installed on the dispenser 14 installed in the hydrogen station 10B so that rainwater does not splash on the dispenser 14, and the roof 18 of the dispenser 14 diffuses the rising hydrogen to the atmosphere, so that rainwater passes from above. Although it does not, it has a ventilation structure that allows air from below to escape upward.

［従来の防災設備の概要］
水素ステーション１０Ｂには、本実施形態にあっては、火災報知設備を含む防災設備を設けている。 [Overview of conventional disaster prevention equipment]
In the present embodiment, the hydrogen station 10B is provided with disaster prevention equipment including a fire alarm system.

火災報知設備は、事務所２６に設けた火災受信盤３２から引き出した感知器回線に事務所２６内に設置した火災感知器３４を接続し、火災感知器３４による火災発報信号を火災受信盤３２で受信して火災警報を出力すると共に、移報信号を他の設備に出力するようにしている。 The fire alarm system connects the fire detector 34 installed in the office 26 to the detector line drawn from the fire receiver 32 provided in the office 26, and sends the fire alarm signal by the fire detector 34 to the fire receiver. It is received at 32 to output a fire alarm and a transfer signal is output to other equipment.

防災設備は、水素製造エリア１０Ｃに設置した貯蔵設備２５を防護対象として複数の水噴霧ヘッド４８を設置し、水噴霧ヘッド４８に対してはガソリン等給油ステーション１０Ａに設置した水噴霧用ポンプ設備４４から給水配管を接続して消火剤として消火用水を供給可能としており、水噴霧用ポンプ設備４４に対しては停電対策として非常電源設備４６を設置している。 As the disaster prevention equipment, a plurality of water spray heads 48 are installed for the storage facility 25 installed in the hydrogen production area 10C as a protection target, and for the water spray head 48, the water spray pump equipment 44 installed at the gasoline refueling station 10A It is possible to supply fire extinguishing water as a fire extinguishing agent by connecting a water supply pipe from the water spraying pump equipment 44, and an emergency power supply equipment 46 is installed as a measure against power failure.

水噴霧用ポンプ設備４４の起動による水噴霧ヘッド４８からの消火用水散布は事務所２６に設置している制御盤３５の制御により行う。制御盤３５に対しては、水素ステーション１０Ｂ、水素製造エリア１０Ｃに設置した火災検知器３６、水素検知器３８、温度検出器４０及び起動装置４２を信号線接続しており、また、火災検知器３６及び起動装置４２は例えばディスペンサー１４の近傍の天井部や支柱に設置し、水素検知器３８はディスペンサー１４の筐体内部に設置している。 The fire extinguishing water spraying from the water spray head 48 by starting the water spray pump equipment 44 is performed under the control of the control panel 35 installed in the office 26. A hydrogen station 10B, a fire detector 36 installed in the hydrogen production area 10C, a hydrogen detector 38, a temperature detector 40, and a starter 42 are connected to the control panel 35 by signal lines, and the fire detector is connected to the control panel 35. The 36 and the activation device 42 are installed, for example, on the ceiling or the support column near the dispenser 14, and the hydrogen detector 38 is installed inside the housing of the dispenser 14.

制御盤３５は、火災検知器３６による火災検知、水素検知器３８による水素検知、温度検出器４０による所定温度の検出、起動装置４２の操作、又は、火災受信盤３２から火災移報信号の受信を判別した場合、水噴霧用ポンプ設備４４にポンプ起動信号を出力してポンプ起動し、加圧した消火用水を水噴霧ヘッド４８から貯蔵設備２５に散水して冷却し、貯蔵設備２５を火災による熱から防護する。なお、図示しないが、併設型水素ステーション１０の所定の各所には消火器を配置している。 The control panel 35 detects fire by the fire detector 36, hydrogen detection by the hydrogen detector 38, detection of a predetermined temperature by the temperature detector 40, operation of the starting device 42, or reception of a fire transfer signal from the fire receiving panel 32. Is determined, a pump start signal is output to the water spray pump facility 44 to start the pump, pressurized fire extinguishing water is sprinkled from the water spray head 48 to the storage facility 25 to cool it, and the storage facility 25 is caused by a fire. Protect from heat. Although not shown, fire extinguishers are arranged at predetermined locations of the side-by-side hydrogen station 10.

［水素ステーションの防災設備の第１実施形態］
（設備構成の概要）
図２は本発明による水素ステーションの防災設備の第１実施形態を示した説明図であり、図１の水素ステーション１０Ｂを取り出して示しており、図２（Ａ）に斜視を示し、図２（Ｂ）に正面を示す。 [First embodiment of disaster prevention equipment for hydrogen station]
(Outline of equipment configuration)
FIG. 2 is an explanatory view showing a first embodiment of the disaster prevention equipment for a hydrogen station according to the present invention, in which the hydrogen station 10B of FIG. 1 is taken out and shown, a perspective is shown in FIG. 2 (A), and FIG. The front is shown in B).

水素ステーション１０Ｂにはディスペンサー１４が設置され、図１に示した貯蔵設備２５からディスペンサー１４に水素を送り、燃料電池車（ＦＣＶ）に図示しないノズル付ホースを介して水素を供給して充填可能としている。 A dispenser 14 is installed in the hydrogen station 10B, hydrogen is sent from the storage facility 25 shown in FIG. 1 to the dispenser 14, and hydrogen can be supplied to the fuel cell vehicle (FCV) via a hose with a nozzle (not shown) to fill the fuel cell vehicle (FCV). There is.

ここで、本実施形態にあっては、ディスペンサー１４は、燃料電池車（ＦＣＶ）に水素を供給充填するための各種構成機器を筐体内に収め、これにノズル付ホースや操作表示部を備えた設備部分を示す概念としている。水素検知器３８は、ディスペンサー１４の筐体内に配置される。 Here, in the present embodiment, the dispenser 14 houses various constituent devices for supplying and filling hydrogen to the fuel cell vehicle (FCV) in a housing, and includes a hose with a nozzle and an operation display unit. It is a concept that indicates the equipment part. The hydrogen detector 38 is arranged in the housing of the dispenser 14.

ディスペンサー１４の上部には支柱５４により公知の通気構造を持つ屋根１８が設置され、本実施形態にあっては、屋根１８の四辺の各々にシート展開装置５０を設置し、更に、冷却水を散布する冷却剤散布ヘッド６２を設けている。 A roof 18 having a known ventilation structure is installed on the upper portion of the dispenser 14 by means of columns 54, and in the present embodiment, sheet deploying devices 50 are installed on each of the four sides of the roof 18, and cooling water is further sprayed. A cooling agent spraying head 62 is provided.

シート展開装置５０は、水素漏洩、区画火災、近隣火災、近隣事故等の所定の異常事象の発生時に図１に示した制御盤３５からの制御信号により作動し、通常状態で巻き回して保持している仕切シートを落下して上下に展開させ、屋根１８の下側でディスペンサー設置領域１４ａを含む防護対象区画の四方を囲僥することにより仕切って仕切区画を形成する。 The seat deploying device 50 operates by a control signal from the control panel 35 shown in FIG. 1 when a predetermined abnormal event such as a hydrogen leak, a compartment fire, a neighborhood fire, or a neighborhood accident occurs, and is wound and held in a normal state. The partition sheet is dropped and expanded vertically, and the partition section is formed by enclosing the four sides of the protected section including the dispenser installation area 14a under the roof 18.

ディスペンサー１４の天井面（屋根１８の下面）の略中央には消火ヘッド５２が配置され、図１の水噴霧用ポンプ設備４４から供給される消火用水を散布可能としている。また、天井側には火災検知器３６を設置し、支柱５４には起動装置４２を設け、更に、ディスペンサー１４の内部には水素検知器３８を設けている。 A fire extinguishing head 52 is arranged substantially in the center of the ceiling surface (lower surface of the roof 18) of the dispenser 14 so that the fire extinguishing water supplied from the water spray pump equipment 44 of FIG. 1 can be sprayed. Further, a fire detector 36 is installed on the ceiling side, a starting device 42 is provided on the support column 54, and a hydrogen detector 38 is provided inside the dispenser 14.

（シート展開装置）
図３は水素ステーションの防災設備に設置されるシート展開装置の実施形態を示した説明図であり、図３（Ａ）に通常状態を示し、図３（Ｂ）に仕切シートの展開状態、図３（Ｃ）は下側から見た平面を示す。 (Sheet unfolding device)
FIG. 3 is an explanatory diagram showing an embodiment of a sheet unfolding device installed in a disaster prevention facility of a hydrogen station. FIG. 3 (A) shows a normal state, and FIG. 3 (B) shows an unfolded state of a partition sheet. 3 (C) shows a plane seen from the lower side.

シート展開装置５０は、図３（Ａ）に示すように、装置本体５５を防護対象区画の上部周縁、具体的にはディスペンサー１４の上部を覆って設けた屋根の周縁部となる庇側に固定し、装置本体５５に仕切シート５６の一端辺をシート固定部５７により固定し、このとき仕切シート５６はロール状に巻き回された状態で装置本体５５の下側にワイヤ又はロープを用いた保持部材５８により左右２箇所で吊下げ状態に保持されている。 As shown in FIG. 3A, the sheet deploying device 50 fixes the device main body 55 to the upper peripheral edge of the protected section, specifically, the eaves side which is the peripheral edge of the roof provided so as to cover the upper portion of the dispenser 14. Then, one end of the partition sheet 56 is fixed to the apparatus main body 55 by the sheet fixing portion 57, and at this time, the partition sheet 56 is held by using a wire or a rope under the apparatus main body 55 in a state of being wound in a roll shape. It is held in a suspended state at two places on the left and right by the member 58.

仕切シート５６は、防火性、耐火性又は耐熱性を有し、更に、炎を遮る遮炎性、熱を遮る遮熱性又は煙を遮る遮煙性を有する布状体であり、例えば１２００℃の高熱に耐えることができ、耐火シート、耐火カーテン、耐火幕等とも呼ばれるシートである。なお、仕切シート５６としては、１２００℃以下であっても、例えば数百度以上の耐熱性能を持つものであれば良い。 The partition sheet 56 is a cloth-like body having fire resistance, fire resistance or heat resistance, and further having flame shielding property for blocking flame, heat shielding property for blocking heat or smoke shielding property for blocking smoke, for example, at 1200 ° C. It is a sheet that can withstand high heat and is also called a fireproof sheet, fireproof curtain, fireproof curtain, etc. The partition sheet 56 may have a heat resistance of several hundred degrees or more, even if the temperature is 1200 ° C or lower.

ワイヤ又はロープを用いた保持部材５８は一端が装置本体５５に固定され、他端はロール状に巻かれた仕切シート５６の下側を通して装置本体５５に設けられたラッチ解除部６０に着脱自在に保持され、通常は抜け止めされている。ラッチ解除部６０は、図１に示した制御盤３５からの制御信号による例えばソレノイドの通電によりラッチを解除する。 One end of the holding member 58 using a wire or rope is fixed to the device main body 55, and the other end is detachably attached to and detachable from the latch release portion 60 provided in the device main body 55 through the lower side of the partition sheet 56 wound in a roll shape. It is held and usually held in place. The latch release unit 60 releases the latch by, for example, energization of a solenoid by a control signal from the control panel 35 shown in FIG.

シート展開装置５０は、制御盤３５からの制御信号によりラッチ解除部６０を作動すると保持部材５８の一端の保持が解除され、仕切シート５６は図３（Ｂ）に示すように、仕切シート５６の一端辺が装置本体５５に固定された状態で自重により落下して下方に展開される。 When the seat unfolding device 50 operates the latch release unit 60 by the control signal from the control panel 35, the holding of one end of the holding member 58 is released, and the partition sheet 56 is the partition sheet 56 as shown in FIG. 3 (B). With one end fixed to the device body 55, it falls due to its own weight and is deployed downward.

このようにして、図６（Ａ）に示した４台の仕切シート展開装置５０を作動して４つの仕切シート５６を展開することで仕切区画を形成し、防護対象区画を仕切区画で囲むことができる。 In this way, the four partition sheet deploying devices 50 shown in FIG. 6A are operated to deploy the four partition sheets 56 to form a partition section, and the protected section is surrounded by the partition section. Can be done.

ここで、図３（Ｂ）のように展開した仕切シート５６の長さは、シート展開装置５０の設置高さよりも長めに採寸しておくようにし、防護対象区画の下面となる路面に物が置かれていても、落下展開したときにシートの弛みにより隙間ができにくいようにしている。 Here, the length of the partition sheet 56 unfolded as shown in FIG. 3B is measured to be longer than the installation height of the sheet unfolding device 50, and an object is placed on the road surface which is the lower surface of the protected section. Even if it is placed, it is difficult to create a gap due to the slack of the sheet when it is dropped and deployed.

なお、シート展開装置５０としては、仕切シート５６を回転軸に巻き、回転軸のラッチを解除して仕切シート５６を自重で落下展開させる構造としてもよい。また、シート展開装置５０の仕切シート５６を蛇腹状に折り畳んだ状態で保持し、保持を解除して落下展開させる構造としてもよい。 The sheet deploying device 50 may have a structure in which the partition sheet 56 is wound around a rotating shaft, the latch of the rotating shaft is released, and the partition sheet 56 is dropped and deployed by its own weight. Further, the partition sheet 56 of the sheet deploying device 50 may be held in a bellows-shaped folded state, and the holding may be released so that the partition sheet 56 may be dropped and deployed.

また、シート展開装置５０における仕切シート５６の保持解除は、制御盤３５からの制御信号による以外に、火災による熱を受けたヒューズの溶断により保持を解除するヒュージブルリンクを用いた感熱作動型としてもよい。また、用途、規模、形状により各方式を組み合わせた複合型としても良い。 Further, the holding release of the partition sheet 56 in the seat unfolding device 50 is a heat-sensitive operation type using a fusible link that releases the holding by blowing the fuse that has received heat from the fire, in addition to the control signal from the control panel 35. May be good. Further, a composite type in which each method is combined may be used depending on the application, scale, and shape.

（冷却剤散布ヘッド）
図３に示すように、シート展開装置５０には、装置本体５５の両側（展開した仕切シート５６の両面側）に取り出された配管に冷却剤散布ヘッド６２を設けている。冷却剤散布ヘッド６２に対しては装置本体５５内を通して給水配管６３が開閉弁６４を介して接続され、図１に示す水噴霧用ポンプ設備４４から消火用水の供給を受けて、図３（Ｂ）のように展開した仕切シート５６により囲んだ防護対象区画の外側シート面に冷却剤として消火用水を略均一に散布させる。 (Coolant spray head)
As shown in FIG. 3, the sheet unfolding device 50 is provided with a coolant spraying head 62 on the pipes taken out on both sides of the device main body 55 (both sides of the unfolded partition sheet 56). A water supply pipe 63 is connected to the coolant spraying head 62 through the apparatus main body 55 via an on-off valve 64, and fire extinguishing water is supplied from the water spray pump equipment 44 shown in FIG. ), The fire extinguishing water is sprayed substantially uniformly as a cooling agent on the outer sheet surface of the protected section surrounded by the partition sheet 56 developed as in ().

また、仕切シート５６は布織目の表面に樹脂等をコーティングしたものとコーティングしていないものがあり、非コーティングの仕切シート５６を使用した場合、冷却剤散布ヘッド６２から散布された冷却水は、展開した仕切シート５６のシート面を濡らし、散布した冷却水が布の織目構造をもつ仕切シート５６に含浸されつつシート面に沿って流れ落ちる。このような冷却水の含浸とシート面に沿った流れ落ちにより、仕切シート５６の布織目の隙間が閉鎖され、密閉性が向上し、例えばディスペンサー１４からの水素漏洩の場合に仕切シート５６の外側への水素の拡散が抑制される。また、冷却水の含浸と外側シート面に沿った流れ落ちにより、仕切シート５６が冷却され、防火性、耐火性、耐熱性、遮炎性及び遮熱性が高められ、また、火災の場合には遮煙性も高められる。 Further, the partition sheet 56 may or may not be coated with a resin or the like on the surface of the cloth texture. When the uncoated partition sheet 56 is used, the cooling water sprayed from the coolant spraying head 62 is discharged. The surface of the developed partition sheet 56 is wetted, and the sprayed cooling water is impregnated into the partition sheet 56 having a textured structure of the cloth and flows down along the sheet surface. Due to such impregnation of cooling water and run-off along the sheet surface, the gap between the fabrics of the partition sheet 56 is closed and the airtightness is improved. For example, in the case of hydrogen leakage from the dispenser 14, the outside of the partition sheet 56 The diffusion of hydrogen into is suppressed. In addition, the partition sheet 56 is cooled by impregnation of cooling water and flowing down along the outer sheet surface, and fire resistance, fire resistance, heat resistance, flame insulation and heat insulation are enhanced, and in case of fire, the partition sheet 56 is shielded. Smoke is also enhanced.

なお、展開した仕切シート５６に対してシート面の内側（防護対象区画の内部側に面するほうのシート面）又は外側（防護対象区画の内部側に面するほうのシート面）に冷却水を散布するようにしても良いし、シート面の内側と外側の両方に冷却水を散布するようにしても良い。 It should be noted that, with respect to the developed partition sheet 56, cooling water is applied to the inside of the sheet surface (the sheet surface facing the inner side of the protected section) or the outside (the sheet surface facing the inner side of the protected section). The cooling water may be sprayed on both the inside and the outside of the seat surface.

（制御系統）
図４は図２の水素ステーションの防災設備の制御系統を示した説明図である。図４に示すように、制御手段として機能する制御盤３５からの信号線１００ａには、防護対象区画に設置している火災検知器３６、水素検知器３８及び起動装置４２を含む端末が接続され、ディスペンサー１４からの水素漏洩を含む防護対象区画の異常事象を監視している。 (Control system)
FIG. 4 is an explanatory diagram showing a control system of the disaster prevention equipment of the hydrogen station of FIG. As shown in FIG. 4, a terminal including a fire detector 36, a hydrogen detector 38, and a starter 42 installed in a protected section is connected to a signal line 100a from a control panel 35 that functions as a control means. , Monitoring anomalous events in the protected area, including hydrogen leaks from the dispenser 14.

また制御盤３５からの信号線１００ｂにはディスペンサー１４を覆う屋根１８の周囲（周縁）に設置したシート展開装置５０のラッチ解除部６０が接続され、制御盤３５からの制御信号により保持部材５８のラッチを解除して仕切シート５６を展開可能としている。 Further, a latch release portion 60 of the seat deploying device 50 installed around (periphery) the roof 18 covering the dispenser 14 is connected to the signal line 100b from the control panel 35, and the holding member 58 receives a control signal from the control panel 35. The latch is released so that the partition sheet 56 can be deployed.

また制御盤３５からの信号線１００ｃに開閉弁６８が接続され、制御盤３５からの開制御信号により開閉弁６８を開動作し、水噴霧用ポンプ設備４４から給水配管６３を介して供給される消火用水をディスペンサー１４の天井側に設置した消火ヘッド（第１消火ヘッド）５２から散布可能としている。消火ヘッド５２と開閉弁６８は第１消火手段を構成する。 Further, the on-off valve 68 is connected to the signal line 100c from the control panel 35, the on-off valve 68 is opened by the open control signal from the control panel 35, and is supplied from the water spray pump equipment 44 via the water supply pipe 63. Fire extinguishing water can be sprayed from the fire extinguishing head (first fire extinguishing head) 52 installed on the ceiling side of the dispenser 14. The fire extinguishing head 52 and the on-off valve 68 form a first fire extinguishing means.

また、制御盤３５からの信号線１００ｄに仕切シート５６の内面と外面の個別冷却に対応して開閉弁６４が接続され、制御盤３５からの開制御信号により開閉弁６４を開動作し、水噴霧用ポンプ設備４４から給水配管６３を介して供給される消火用水をシート展開装置５０に対し内側と外側に分けて設けた冷却剤散布ヘッド６２から散布可能としている。冷却水散布ヘド６２と開閉弁６４は冷却手段を構成する。 Further, an on-off valve 64 is connected to the signal line 100d from the control panel 35 in response to individual cooling of the inner and outer surfaces of the partition sheet 56, and the on-off valve 64 is opened by the open control signal from the control panel 35 to open the water. The fire extinguishing water supplied from the spray pump equipment 44 via the water supply pipe 63 can be sprayed from the coolant spraying head 62 provided separately on the inside and the outside of the sheet deploying device 50. The cooling water spray head 62 and the on-off valve 64 form a cooling means.

なお、消火手段（第１消火手段）、冷却手段は、広義には水噴霧ポンプ設備４４及びこれに付随する配管当設備を含む概念である。この点は後述の第２消火手段も同様である。 The fire extinguishing means (first fire extinguishing means) and the cooling means are, in a broad sense, a concept including the water spray pump equipment 44 and the piping equipment associated therewith. This point is the same for the second fire extinguishing means described later.

［水素ステーション防災装置の制御動作］
図５は水素ステーションの防災設備の動作を示した説明図であり、図５（Ａ）に斜視を示し、図５（Ｂ）に正面を示し、更に、展開した仕切シートの内部を分かり易くするため、仕切シートを透視状態として示している。 [Control operation of hydrogen station disaster prevention device]
FIG. 5 is an explanatory view showing the operation of the disaster prevention equipment of the hydrogen station. FIG. 5 (A) shows a perspective view, FIG. 5 (B) shows a front view, and further, the inside of the developed partition sheet is made easy to understand. Therefore, the partition sheet is shown as a see-through state.

制御盤３５による水素ステーションの防災設備の制御は、例えば次の水素漏洩モード、火災発生モード、周辺モードに分けて行う。ここで、水素漏洩モードとはディスペンサー１４からの水素漏洩が発生した場合の制御モードであり、区画火災モードとはディスペンサー１４を含む防護対象区画の内部で火災（区画火災）が発生した場合の制御モードであり、周辺モードとは防護対象区画の外側で近隣火災や近隣事故が発生した場合の制御モードである。なお、ガソリン等給油ステーション１０Ａでの燃料漏洩（火災以前）等は近隣火災に含んでも良いし、近隣事故に含んでも良い。 The control panel 35 controls the disaster prevention equipment of the hydrogen station, for example, in the following hydrogen leakage mode, fire occurrence mode, and peripheral mode. Here, the hydrogen leakage mode is a control mode when a hydrogen leak from the dispenser 14 occurs, and the compartment fire mode is a control when a fire (compartment fire) occurs inside the protected compartment including the dispenser 14. It is a mode, and the peripheral mode is a control mode when a nearby fire or a nearby accident occurs outside the protected area. In addition, fuel leakage (before the fire) at the gas refueling station 10A may be included in the neighborhood fire or may be included in the neighborhood accident.

（水素漏洩モード）
制御盤３５はディスペンサー１４の筐体内部に設けた水素検知器３８から水素漏洩による水素検知信号を受信した場合、水素漏洩モードの制御としてディスペンサー１４の屋根１８の四辺に設けたシート展開装置５０のラッチ解除部６０に制御信号を送信し、保持部材５８のラッチを解除して仕切シート５６を落下展開させ、ディスペンサー設置領域１４ａを含む屋根１８の下側の防護対象区画を囲む仕切区画を形成させる。 (Hydrogen leak mode)
When the control panel 35 receives a hydrogen detection signal due to hydrogen leakage from the hydrogen detector 38 provided inside the housing of the dispenser 14, the control panel 35 controls the hydrogen leakage mode of the sheet deploying device 50 provided on the four sides of the roof 18 of the dispenser 14. A control signal is transmitted to the latch release unit 60, the latch of the holding member 58 is released, the partition sheet 56 is dropped and deployed, and a partition section surrounding the protection target section under the roof 18 including the dispenser installation area 14a is formed. ..

続いて、制御盤３５は、水噴霧用ポンプ設備４４に起動信号を出力してポンプ運転を開始すると共に、開閉弁６８に開制御信号を送信して開動作し、水噴霧用ポンプ設備４４からの消火用水を消火ヘッド５２に供給し、水素漏洩を起こしているディスペンサー１４が設置されているディスペンサー設置領域１４ａを含む防護対象区画に消火用水を散布して冷却し、水素ガスを拡散し、水素の引火による爆発を抑制防止する。また、防護対象区画に対する消火用水の散布により、漏洩した水素は上方に希釈されながら通気構造をもつ屋根１８を通って外部に排出されて拡散され、水素爆発を抑制防止する。 Subsequently, the control panel 35 outputs a start signal to the water spray pump equipment 44 to start the pump operation, and also transmits an open control signal to the on-off valve 68 to open the water spray pump equipment 44. The fire extinguishing water is supplied to the fire extinguishing head 52, and the fire extinguishing water is sprayed and cooled in the protected area including the dispenser installation area 14a in which the dispenser 14 causing hydrogen leakage is installed to diffuse the hydrogen gas and hydrogen. Suppresses and prevents explosions due to ignition. Further, by spraying fire extinguishing water to the protected area, the leaked hydrogen is discharged to the outside through the roof 18 having a ventilation structure while being diluted upward and diffused to suppress and prevent the hydrogen explosion.

なお、車両に対する水素充填中に水素漏洩が起きた場合、利用者は起動装置４２を操作し、制御盤３５は起動装置４２からの起動信号を受信して異常警報を報知し、異常警報により水素漏洩を知った係員が制御盤３５で所定の起動確認操作、例えば制御盤３５に設けた起動確認スイッチ３５ａの操作を行うことで、水素検知信号を受信したときと同じ防災設備の制御動作が行われる。 If a hydrogen leak occurs during hydrogen filling of the vehicle, the user operates the activation device 42, the control panel 35 receives the activation signal from the activation device 42, notifies an abnormality alarm, and hydrogen is generated by the abnormality alarm. When a staff member who knows the leak performs a predetermined start confirmation operation on the control panel 35, for example, an operation of the start confirmation switch 35a provided on the control panel 35, the same control operation of the disaster prevention equipment as when the hydrogen detection signal is received is performed. Will be.

また、水素漏洩が起きたときは、展開した仕切シート５６の冷却は必須でないことから、冷却剤散布ヘッド６２からの冷却水の散布は行なわないが、非コーティングの仕切シート５６を使用した場合には、漏洩した水素の周囲への拡散、特に、ガソリン等給油ステーション１０Ａ側への漏洩による引火を防ぐため、冷却水を散布して仕切シート５６に含浸することで気密性を高めても良い。 Further, when hydrogen leakage occurs, cooling of the developed partition sheet 56 is not essential, so that the cooling water is not sprayed from the coolant spraying head 62, but when the uncoated partition sheet 56 is used. In order to prevent the leaked hydrogen from diffusing around, in particular, from catching fire due to leakage to the gasoline or the like refueling station 10A side, cooling water may be sprayed and impregnated into the partition sheet 56 to improve the airtightness.

なお、冷却剤散布ヘッド６２から仕切シート５６の内側シート面へ冷却剤を散布するように配置した場合には、水素漏洩時に、漏洩した水素の防護対象区画外への排出を促し、防護対象区画内の水素濃度を希釈する目的で散布しても良い。 When the coolant is arranged so as to be sprayed from the coolant spraying head 62 to the inner sheet surface of the partition sheet 56, when hydrogen leaks, the leaked hydrogen is promoted to be discharged to the outside of the protected compartment, and the protected compartment is protected. It may be sprayed for the purpose of diluting the hydrogen concentration in the water.

（火災発生モード）
制御盤３５は火災検知器３６からディスペンサー１４から漏洩した水素の火災に対する火災検知信号を受信した場合、屋根１８の四辺に設けたシート展開装置５０のラッチ解除部６０に制御信号を送信し、保持部材５８のラッチを解除して仕切シート５６を落下展開させ、屋根１８の下側の防護対象区画を囲むように仕切区画を形成させる。 (Fire mode)
When the control panel 35 receives a fire detection signal for a hydrogen fire leaked from the dispenser 14 from the fire detector 36, the control panel 35 transmits a control signal to the latch release portions 60 of the seat deploying device 50 provided on the four sides of the roof 18 and holds the control panel 35. The latch of the member 58 is released, the partition sheet 56 is dropped and deployed, and the partition section is formed so as to surround the protected section under the roof 18.

続いて、制御盤３５は、火災発生モードの制御として水噴霧用ポンプ設備４４に起動信号を出力してポンプ運転を開始すると共に、開閉弁６８に開制御信号を送信して開動作し、水噴霧用ポンプ設備４４からの消火用水を消火ヘッド５２に供給し、火災を起こしているディスペンサー１４が設置されている防護対象区画に消火用水を散布して火災を消火抑制する。 Subsequently, the control panel 35 outputs a start signal to the water spray pump equipment 44 to start the pump operation as a control of the fire occurrence mode, and also transmits an open control signal to the on-off valve 68 to open the water. The fire extinguishing water from the spray pump equipment 44 is supplied to the fire extinguishing head 52, and the fire extinguishing water is sprayed on the protected section where the dispenser 14 causing the fire is installed to suppress the fire extinguishing.

また、制御盤３５は、開閉弁６４に開制御信号を送信して開動作し、水噴霧用ポンプ設備４４からの消火用水を仕切シート５６の両側に設けた冷却剤散布ヘッド６２に供給し、展開した仕切シート５６のシート面の内側と外側のそれぞれに冷却水を散布し、仕切シート５６の防火性、耐火性、耐熱性、遮炎性、遮熱性及び遮炎性、遮煙性を向上させる。 Further, the control panel 35 transmits an open control signal to the on-off valve 64 to open the operation, and supplies fire extinguishing water from the water spray pump equipment 44 to the coolant spraying heads 62 provided on both sides of the partition sheet 56. Cooling water is sprayed on the inside and outside of the sheet surface of the developed partition sheet 56 to improve the fire resistance, fire resistance, heat resistance, flame insulation, heat insulation, flame insulation, and smoke insulation of the partition sheet 56. Let me.

（周辺モード）
併設型水素ステーション１０の公道、近隣周辺で車両事故やガス漏れ事故（近隣事故）、或いはガソリン等給油ステーション１０Ａの火災、住宅火災や車両火災（近隣火災）などの近隣火災が発生した場合、ステーションの係員が近隣火災による水素ステーション１０Ｂの危険度が高まったと判断した場合に制御盤３５で所定の起動操作、例えば制御盤３５に設けた起動スイッチ３５ｂの操作を行うことで防災設備の制御動作を行う。 (Peripheral mode)
If a vehicle accident or gas leak accident (neighborhood accident) occurs on the public road of the annexed hydrogen station 10 or in the vicinity, or if a neighborhood fire such as a gasoline refueling station 10A fire, a house fire or a vehicle fire (neighborhood fire) occurs, the station When the staff in charge determines that the risk of the hydrogen station 10B has increased due to a nearby fire, the control panel 35 performs a predetermined activation operation, for example, an operation of the activation switch 35b provided on the control panel 35 to control the disaster prevention equipment. Do.

近隣火災等の発生に対する周辺モードの制御動作は、制御盤３５の起動操作に基づき屋根１８の四辺に設けたシート展開装置５０のラッチ解除部６０に制御信号を送信し、保持部材５８のラッチを解除して仕切シート５６を落下展開させ、屋根１８の下側の防護対象区画を囲むように仕切区画を形成させる。 The control operation of the peripheral mode in response to the occurrence of a nearby fire or the like transmits a control signal to the latch release portions 60 of the seat deploying device 50 provided on the four sides of the roof 18 based on the activation operation of the control panel 35, and latches the holding member 58. It is released and the partition sheet 56 is dropped and deployed to form a partition section so as to surround the protected section under the roof 18.

続いて、制御盤３５は、水噴霧用ポンプ設備４４に起動信号を出力してポンプ運転を開始すると共に、開閉弁６４に開制御信号を送信して開動作し、水噴霧用ポンプ設備４４からの消火用水を仕切シート５６の両面側に設けた冷却剤散布ヘッド６２に供給し、展開した仕切シート５６のシート面の内側と外側のそれぞれに冷却水を散布し、近隣火災に対し仕切シート５６の防火性、耐火性、耐熱性、遮炎性、遮熱性及び遮煙性を高め、防護対象区画を近隣火災から確実に防護する。ここで、遮煙性の向上によっては、煙による汚損や人体への被害をより効果的に防止することができる。また、煙による視認性低下によって対応活動が阻害されることも、効果的に防止することができる。 Subsequently, the control panel 35 outputs a start signal to the water spray pump equipment 44 to start the pump operation, and also transmits an open control signal to the on-off valve 64 to open the water spray pump equipment 44. The fire extinguishing water is supplied to the coolant spraying head 62 provided on both sides of the partition sheet 56, and the cooling water is sprayed on the inside and outside of the sheet surface of the developed partition sheet 56, respectively, and the partition sheet 56 is used against a nearby fire. Improves fire resistance, fire resistance, heat resistance, flame insulation, heat insulation and smoke insulation, and reliably protects the protected area from nearby fires. Here, by improving the smoke-shielding property, it is possible to more effectively prevent pollution caused by smoke and damage to the human body. In addition, it is possible to effectively prevent the response activity from being hindered by the decrease in visibility due to smoke.

更に、近隣火災が拡大して火災の危険度が高まった場合には、制御盤３５の所定の手動操作、例えば制御盤３５に設けた手動消火スイッチ（図示せず）の操作により開閉弁６８に開制御信号を送信して開動作し、水噴霧用ポンプ設備４４からの消火用水を消火ヘッド５２に供給し、防護対象区画に消火用水を散布して冷却し、仕切シート５６の防火性、耐火性、遮炎性及び遮熱性を高め、近隣火災から確実に防護する。 Further, when a nearby fire spreads and the risk of fire increases, the on-off valve 68 is set by a predetermined manual operation of the control panel 35, for example, an operation of a manual fire extinguishing switch (not shown) provided on the control panel 35. A fire control signal is transmitted to open the fire, the fire extinguishing water from the water spray pump facility 44 is supplied to the fire extinguishing head 52, and the fire extinguishing water is sprayed and cooled in the protected section, and the partition sheet 56 has fire resistance and fire resistance. Improves properties, flame insulation and heat insulation, and ensures protection from nearby fires.

なお、水素漏洩、区画火災、周辺における異常事象（近隣火災、近隣事故）等の複数の異常事象が同時に発生した場合には、発生した異常事象に対応した制御モードを組み合わせた防災設備の制御動作を行う。 In addition, when multiple abnormal events such as hydrogen leakage, section fire, and abnormal events in the vicinity (neighborhood fire, neighborhood accident) occur at the same time, the control operation of the disaster prevention equipment combined with the control mode corresponding to the abnormal events that occurred. I do.

［水素ステーションの防災設備の第２実施形態］
図６は水素ステーションの防災設備の第２実施形態を示した説明図であり、図６（Ａ）に通常時を斜視で示し、図６（Ｂ）に動作時をシート透視状態として正面で示す。図７は図６の水素ステーションの防災設備の制御系統を示した説明図である。 [Second embodiment of disaster prevention equipment for hydrogen station]
6A and 6B are explanatory views showing a second embodiment of the disaster prevention equipment of the hydrogen station. FIG. 6A shows the normal state in a perspective view, and FIG. 6B shows the operating state in the front as a see-through state of the sheet. .. FIG. 7 is an explanatory diagram showing a control system of the disaster prevention equipment of the hydrogen station of FIG.

図６（Ａ）に示すように、本実施形態は、前述した第１実施形態に加え、ディスペンサー１４を覆う屋根１８の四辺に設けたシート展開装置５０に第２消火ヘッドとして機能する外側消火ヘッド７０を設けたことを特徴とする。 As shown in FIG. 6A, in this embodiment, in addition to the first embodiment described above, an outer fire extinguishing head that functions as a second fire extinguishing head on the sheet deploying device 50 provided on the four sides of the roof 18 that covers the dispenser 14. It is characterized in that 70 is provided.

外側消火ヘッド７０は、図７に示すように、開閉弁７２を介して給水配管６３に接続され、開閉弁７２は制御盤３５からの信号線１００ｅに接続される。開閉弁７２と外側消火ヘッド７０は第２消火手段を構成する。 As shown in FIG. 7, the outer fire extinguishing head 70 is connected to the water supply pipe 63 via the on-off valve 72, and the on-off valve 72 is connected to the signal line 100e from the control panel 35. The on-off valve 72 and the outer fire extinguishing head 70 form a second fire extinguishing means.

制御盤３５による水素ステーションの防災設備の制御動作は、図４に示した制御盤３５による水素漏洩モード、火災発生モード、及び周辺モードに、外側消火ヘッド７０による消火用水の散布の有無が追加されることになる。 As for the control operation of the disaster prevention equipment of the hydrogen station by the control panel 35, the presence or absence of spraying water for fire extinguishing by the outer fire extinguishing head 70 is added to the hydrogen leakage mode, the fire occurrence mode, and the peripheral mode by the control panel 35 shown in FIG. Will be.

制御盤３５による水素漏洩モードの制御動作は第１実施形態と同じであり、外側消火ヘッド７０による消火用水の防護対象区画の外側周辺への散布は必須でないが、周辺への水素の拡散を更に抑制したい場合には、必要に応じて外側消火ヘッド７０から消火用水を散布しても良い。 The control operation of the hydrogen leakage mode by the control panel 35 is the same as that of the first embodiment, and it is not essential to spray the fire extinguishing water to the outer periphery of the protected area by the outer fire extinguishing head 70, but further diffusion of hydrogen to the periphery is not essential. If it is desired to suppress it, fire extinguishing water may be sprayed from the outer fire extinguishing head 70 as needed.

また、制御盤３５による火災発生モードの制御動作は、第１実施形態と同様に、内側の消火ヘッド５２からの消火用水の散布に加え、図６（Ｂ）に示すように、外側消火ヘッド７０から、仕切シート５６の外側に消火用水を散布し、延焼防止の効果を更に向上させる。 Further, in the control operation of the fire occurrence mode by the control panel 35, as in the first embodiment, in addition to spraying fire extinguishing water from the inner fire extinguishing head 52, as shown in FIG. 6B, the outer fire extinguishing head 70 Therefore, fire extinguishing water is sprayed on the outside of the partition sheet 56 to further improve the effect of preventing the spread of fire.

また、制御盤３５による周辺モードの制御動作は、第１実施形態と同様に、冷却剤散布ヘッド６２により仕切シート５６の外側及び又は内側に冷却水を散布すると共に、図６（Ｂ）に示すように、外側消火ヘッド７０から仕切シート５６の外側で消火用水を散布し、近隣の公道、敷地などで発生する近隣火災等に対する防護対象区画側への遮炎、遮熱による延焼防止の効果を更に高める。なお、必要があれば内側の消火ヘッド５２から消火用水を散布しても良い。 Further, the control operation of the peripheral mode by the control panel 35 is shown in FIG. 6B while spraying the cooling water on the outside and / or inside of the partition sheet 56 by the coolant spraying head 62 as in the first embodiment. In this way, fire extinguishing water is sprayed from the outer fire extinguishing head 70 to the outside of the partition sheet 56 to provide flame shielding to the protected area side against nearby fires occurring on nearby public roads, sites, etc., and to prevent the spread of fire by heat shielding. Further enhance. If necessary, fire extinguishing water may be sprayed from the inner fire extinguishing head 52.

ここで、本実施形態においては近隣火災と近隣事故について、制御の内容を同じにしているが、必要に応じこれらを異ならせても良い。 Here, in the present embodiment, the control contents are the same for the neighborhood fire and the neighborhood accident, but they may be different if necessary.

［シート補強構造］
図８はシート周縁に充水用のチューブを設けたシート展開装置をシート展開状態で示した説明図、図９は図８のシート展開装置を設けた水素ステーションの防災設備の動作を示した説明図であり、図９（Ａ）に動作時を斜視で示し、図９（Ｂ）に動作時を正面で示し、更に、仕切シートを透視状態として示している。 [Seat reinforcement structure]
FIG. 8 is an explanatory view showing a sheet unfolding device provided with a water filling tube around the seat in a sheet unfolded state, and FIG. 9 is an explanatory view showing the operation of the disaster prevention equipment of the hydrogen station provided with the sheet unfolding device of FIG. 9 (A) shows the operating state in a perspective view, FIG. 9 (B) shows the operating state in the front, and further, the partition sheet is shown as a see-through state.

図８に示すように、仕切シート５６は両サイド及びシート下端辺に沿ってチューブ７４が設けられ、仕切シート５６を展開したときに開閉弁６４を開くことで給水配管６３から供給された消火用水をチューブ７４に充填するようにしている。 As shown in FIG. 8, the partition sheet 56 is provided with tubes 74 along both sides and the lower end side of the sheet, and fire extinguishing water supplied from the water supply pipe 63 by opening the on-off valve 64 when the partition sheet 56 is unfolded. Is filled in the tube 74.

ここで、開閉弁６４を開制御してチューブ７４への充水を開始するタイミングは、仕切シート５６の落下展開がほぼ終了した時点とすることがより好ましく、このようにすれば、展開終了前に充水を開始して仕切シートの両側端辺のチューブが充水流路の上流側から順次膨張することに起因して円滑な展開が阻害されることを防止できる。また、充水圧力も比較的低くすることができる。 Here, it is more preferable that the on-off valve 64 is opened and controlled to start filling the tube 74 with water at a time when the drop deployment of the partition sheet 56 is almost completed, and in this way, before the deployment is completed. It is possible to prevent smooth deployment from being hindered due to the tubes on both side ends of the partition sheet expanding sequentially from the upstream side of the water filling flow path by starting water filling. In addition, the filling pressure can be relatively low.

図９に示すように、シート展開装置５０の作動で防護対象区画の周囲を囲んで展開した仕切シート５６のチューブ７４に消火用水が充填されると、チューブ７４に充填した消火用水の重量及び水圧により仕切シート５６を補強する枠体が形成されて仕切シート５６の展開状態を保ち、風により仕切シート５６が捲れたり動いたりしてしまうことを抑制して仕切り状態を確実に維持可能とする。なお、チューブ７４は必ずしも仕切シート５６の３辺に設けなくても良い。例えば、仕切シート５６の縦２辺のみとしても良い。また、適切な充水ルートが設定できる場合には、下端辺のみに設けても良い。 As shown in FIG. 9, when the tube 74 of the partition sheet 56 developed by operating the sheet deploying device 50 surrounding the area to be protected is filled with fire extinguishing water, the weight and water pressure of the fire extinguishing water filled in the tube 74 are filled. A frame body for reinforcing the partition sheet 56 is formed to maintain the unfolded state of the partition sheet 56, and the partition sheet 56 is prevented from being rolled up or moved by the wind so that the partition state can be reliably maintained. The tube 74 does not necessarily have to be provided on the three sides of the partition sheet 56. For example, only two vertical sides of the partition sheet 56 may be used. Further, if an appropriate filling route can be set, it may be provided only on the lower end side.

［消火用水の上向き散布］
図１０はシート上部に放出開口を設けたシート展開装置をシート展開状態で示した説明図、図１１は図１０のシート展開装置を設け且つ、図５の実施形態に水素漏洩時に、漏洩水素の排出促進剤として消火剤を上向きに散布する上向き散布手段を設けた水素ステーションの防災設備を動作状態で示した説明図であり、図１１（Ａ）に動作時を斜視で示し、図１１（Ｂ）に動作時を正面で示し、更に、仕切シートを透視状態として示している。 [Spraying fire extinguishing water upward]
FIG. 10 is an explanatory view showing a sheet unfolding device having a discharge opening at the top of the sheet in a sheet unfolded state, and FIG. 11 shows the sheet unfolding device of FIG. It is explanatory drawing which showed the disaster prevention equipment of the hydrogen station provided with the upward spraying means which sprays a fire extinguishing agent upward as a discharge accelerator in an operating state, and FIG. 11 (A) shows the operation state from the perspective, and FIG. 11 (B) ) Shows the operating time in front, and the partition sheet is shown as a see-through state.

図１０に示すように、本実施形態のシート展開装置５０に設けた仕切シート５６には、仕切シート５６を展開したときに防護対象区画に漏洩した水素を外部に放出するための放出開口７６をシート上部に形成している。 As shown in FIG. 10, the partition sheet 56 provided in the sheet unfolding device 50 of the present embodiment is provided with a discharge opening 76 for releasing hydrogen leaked to the protection target section to the outside when the partition sheet 56 is unfolded. It is formed on the upper part of the seat.

また本実施形態にあっては、図１１に示すように、仕切シート５６の展開で仕切られた防護対象区画内の底部側の所定位置に配置され、防護対象区画の水素の漏洩発生時に、防護対象区画内に上向きに消火剤を散布する上向き散布手段として、防護対象区画周縁の路面（床面）に沿って設けたトラフ７８の中に敷設した給水配管に複数の散布ヘッド８０を上向きに配置し、散布ヘッド８０により防護対象区画内に上向きに、本例では消火用水を散布するようにしている。なお、トラフ７８の開口には格子蓋が配置され、散布ヘッド８０の上部に配置する格子蓋には放水開口７８ａが形成されている。なお、散布ヘッド８０の設置形態は上記に限定されず、例えば防護対象区画内の床面に上向きに埋設設置しても良い。 Further, in the present embodiment, as shown in FIG. 11, the partition sheet 56 is arranged at a predetermined position on the bottom side of the protected section partitioned by the deployment, and protects the protected section when hydrogen leaks. As an upward spraying means for spraying the fire extinguishing agent upward in the target section, a plurality of spray heads 80 are arranged upward on the water supply pipe laid in the trough 78 provided along the road surface (floor surface) on the periphery of the protected section. Then, the spray head 80 sprays the fire extinguishing water upward in the protected area in this example. A lattice lid is arranged in the opening of the trough 78, and a water discharge opening 78a is formed in the lattice lid arranged above the spray head 80. The installation form of the spray head 80 is not limited to the above, and may be buried upward on the floor surface in the protected section, for example.

このため防護対象区画で例えばディスペンサー１４から水素が漏洩した場合、防護対象区画空間の下側周縁に設けたトラフ７８内に設置した散布ヘッド８０から防護対象区画空間内の上方側に向けて消火用水を噴き上げ、消火用水の噴き上げにより発生する気流に乗せて漏洩した水素を運び、漏洩した水素を屋根１８の通気構造に加え、展開した仕切シート５６の上部に形成した放出開口７６から上方に効率良く放出させることで水素を排出して上空へ拡散させて希釈し、水素爆発を抑制防止可能とする。この際、あわせて仕切シートへの冷却材散布を行っても良い。 Therefore, when hydrogen leaks from the dispenser 14 in the protected compartment, for example, fire extinguishing water is directed from the spray head 80 installed in the trough 78 provided on the lower peripheral edge of the protected compartment space toward the upper side in the protected compartment space. , Carrying the leaked hydrogen on the airflow generated by the spouting of fire extinguishing water, adding the leaked hydrogen to the ventilation structure of the roof 18, and efficiently upward from the discharge opening 76 formed on the upper part of the developed partition sheet 56. By releasing it, hydrogen is discharged, diffused into the sky and diluted, and hydrogen explosion can be suppressed and prevented. At this time, the coolant may also be sprayed on the partition sheet.

なお、放出開口７６を設けた仕切シート５６は、前述した他の実施形態に使用しても良い。 The partition sheet 56 provided with the discharge opening 76 may be used in the other embodiments described above.

また、仕切シート５６に放出開口７６を形成するのに代えて、又はこれに加えて、屋根１８のやや下方にシート展開装置５０を設けて、屋根１８とシート展開装置５０との間に放出開口が出来るようにしても良い。 Further, instead of or in addition to forming the discharge opening 76 in the partition sheet 56, a sheet deploying device 50 is provided slightly below the roof 18, and a discharge opening is provided between the roof 18 and the sheet deploying device 50. You may be able to do it.

（排出促進用ガスによる漏洩水素の排出希釈）
ここで、漏洩水素排出促進剤として、消火用水に加えて、またはこれに代えて空気、窒素、他の不活性ガスやこれらの混合ガス（以下、「排出促進用ガス」と称する）を採用しても良い。この場合には、不要な水損を防止することができる。なお、不活性ガスの例としては、窒素、ＩＧ−５５（窒素５０％、アルゴン５０％の混合ガス）、ＩＧ−５４（窒素５２％、アルゴン４０％、二酸化炭素８％の混合ガス）等が挙げられる。なお、ＩＧ−５５、ＩＧ−５４１は消火剤（消火用ガス）としても利用されているものである。 (Dilution of leaked hydrogen by emission promotion gas)
Here, as the leaked hydrogen emission accelerator, in addition to or in place of fire extinguishing water, air, nitrogen, other inert gas or a mixed gas thereof (hereinafter, referred to as "emission promotion gas") is adopted. You may. In this case, unnecessary water loss can be prevented. Examples of the inert gas include nitrogen, IG-55 (mixed gas of 50% nitrogen and 50% argon), IG-54 (mixed gas of 52% nitrogen, 40% argon and 8% carbon dioxide). Can be mentioned. In addition, IG-55 and IG-541 are also used as a fire extinguishing agent (fire extinguishing gas).

また、例えば水素漏洩の場合に、漏洩水素濃度が所定の第１濃度条件を充足した場合には散布ヘッド８０から排出促進用ガスを上向きに放出して漏洩水素を希釈し、所定の第２濃度条件を充足した場合には、消火ヘッド５２からの消火用水の散布に切替え、又は消火ヘッド５２から消火用水の散布を加えるようにしても良い。 Further, for example, in the case of hydrogen leakage, when the leakage hydrogen concentration satisfies the predetermined first concentration condition, the discharge promoting gas is discharged upward from the spray head 80 to dilute the leakage hydrogen, and the predetermined second concentration is obtained. When the conditions are satisfied, the fire extinguishing head 52 may be switched to spraying fire extinguishing water, or the fire extinguishing head 52 may be sprayed with fire extinguishing water.

所定の第１濃度条件とは例えば、水素が漏洩しているが、引火や発火、爆発に至る危険性が相当低いと判断される濃度範囲であり、所定の第２濃度条件とは例えば、引火や発火、爆発に至る危険性が第１濃度条件と比較して高いと判断される濃度範囲である。これらの条件に、濃度上昇率や継続時間の要素を付加して判断しても良い。 The predetermined first concentration condition is, for example, a concentration range in which hydrogen is leaking, but the risk of ignition, ignition, or explosion is judged to be considerably low, and the predetermined second concentration condition is, for example, ignition. It is a concentration range in which the risk of ignition or explosion is judged to be higher than that of the first concentration condition. In addition to these conditions, factors such as the rate of increase in concentration and the duration may be added for judgment.

このような漏洩水素濃度に応じた制御盤３５の上向き散布手段の制御として、例えば、制御盤３５は水素検知器３８による検知水素濃度が２５％ＬＥＬ（ＬｏｗｅｒＥｘｐｌｏｓｉｏｎＬｉｍｉｔ；爆発下限界）に達したときには第１濃度条件を充足したとしてこれを報知（警報）すると共に仕切シート５６を展開して防護対象区画を仕切って散布ヘッド８０から排出促進用ガスを上向きに散布して漏洩水素を排出希釈する。そして、水素濃度が更に上昇して検知水素濃度が５０％ＬＥＬに達したときには第２濃度条件を充足したとして、散布ヘッド８０からの上方への散布を消火ヘッド５２から消火用水の散布に切替える、或いは排出促進用ガスの散布と消火用水の散布の両方を行うようにして、水素ガスの排出希釈と防護対象区画内空間及び同区画内の防護対象物（例えばディスペンサー）の冷却防護を同時に行うようにしても良い。なお、例えば、水素濃度が更に上昇して６０〜７５％ＬＥＬにまで達すると、水素ステーションの水素供給に係るシステムのシャットダウン制御が行われるようにしている。 As a control of the upward spraying means of the control panel 35 according to such a leaked hydrogen concentration, for example, the control panel 35 has reached a hydrogen concentration detected by the hydrogen detector 38 of 25% LEL (Lower Explosion Limit). Occasionally, it is notified (alarmed) that the first concentration condition is satisfied, and the partition sheet 56 is expanded to partition the protected area, and the discharge promoting gas is sprayed upward from the spray head 80 to discharge and dilute the leaked hydrogen. .. Then, when the hydrogen concentration further increases and the detected hydrogen concentration reaches 50% LEL, it is assumed that the second concentration condition is satisfied, and the upward spraying from the spraying head 80 is switched from the fire extinguishing head 52 to the spraying of fire extinguishing water. Alternatively, both spraying the emission promoting gas and spraying the fire extinguishing water should be performed so that the hydrogen gas emission dilution and the cooling protection of the space in the protected section and the protected object (for example, the dispenser) in the protected section are performed at the same time. You can do it. For example, when the hydrogen concentration further increases and reaches 60 to 75% LEL, the shutdown control of the system related to the hydrogen supply of the hydrogen station is performed.

このようにすれば、水素濃度が低い場合には消火剤は散布されず水損を防止できると共に、排出促進用ガスの散布で希釈した結果濃度が下がらない場合には消火剤散布により、より確実な防護へと切り替えられる。 In this way, when the hydrogen concentration is low, the fire extinguishing agent is not sprayed and water damage can be prevented, and when the concentration does not decrease as a result of dilution by spraying the emission promoting gas, the fire extinguishing agent is sprayed more reliably. Switch to protection.

なお、本実施形態の上向き散布手段を、他の実施形態と組合せても良く、例えば図６、図９の実施形態と組合せることができ、各場合について図３の冷却手段の構成を採用することもできる。 The upward spraying means of this embodiment may be combined with other embodiments, for example, it can be combined with the embodiments of FIGS. 6 and 9, and the configuration of the cooling means of FIG. 3 is adopted in each case. You can also do it.

［防災設備の制御］
図１２は図７に示した第１消火手段、第２消火手段及び冷却手段を備えた水素ステーションの防災設備の異常事象に対する制御パターンを示した説明図であり、発生する異常事象を水素漏洩、区画火災、近隣火災、近隣事故に分け、それぞれの異常事象の発生に対する第１消火手段、第２消火手段及び冷却剤散布手段の制御を図１２（Ａ）〜（Ｅ）の制御パターン１〜５に分けて示し、制御する場合を「ＯＮ」としている。 [Control of disaster prevention equipment]
FIG. 12 is an explanatory diagram showing a control pattern for an abnormal event of the disaster prevention equipment of the hydrogen station provided with the first fire extinguishing means, the second fire extinguishing means, and the cooling means shown in FIG. 7, and the generated abnormal event is hydrogen leaked. The control patterns 1 to 5 of FIGS. The case of controlling is set to "ON".

ここで、図７に示したように、第１消火手段は消火ヘッド５２と開閉弁６８で構成され、第２消火手段は外側消火ヘッド７０と開閉弁７２で構成され、冷却剤散布手段は冷却剤散布ヘッド６２と開閉弁６４で構成される。なお、シート展開装置５０は全ての異常事象の発生について動作する。また、ガソリン等給油ステーション１０Ａの燃料漏洩（火災以前）は近隣火災又は近隣事故に含める。 Here, as shown in FIG. 7, the first fire extinguishing means is composed of a fire extinguishing head 52 and an on-off valve 68, the second fire extinguishing means is composed of an outer fire extinguishing head 70 and an on-off valve 72, and the coolant spraying means is cooled. It is composed of an agent spraying head 62 and an on-off valve 64. The seat unfolding device 50 operates for all abnormal events. In addition, fuel leakage (before the fire) of the gas station 10A is included in the neighborhood fire or neighborhood accident.

（制御パターン１）
図１２（Ａ）の制御パターン１は、第１消火手段及び冷却剤散布手段を対象とした最小限必要な制御パターンであり、水素漏洩又は区画火災が発生した場合は第１消火手段のみを動作し、一方、近隣火災又は近隣事故が発生した場合は冷却手段のみを動作する。 (Control pattern 1)
The control pattern 1 of FIG. 12A is the minimum necessary control pattern for the first fire extinguishing means and the coolant spraying means, and when a hydrogen leak or a compartmentalized fire occurs, only the first fire extinguishing means is operated. On the other hand, in the event of a nearby fire or neighborhood accident, only the cooling means will be operated.

（制御パターン２）
図１２（Ｂ）の制御パターン２は、第１消火手段、第２消火手段及び冷却手段を対象とした制御パターンであり、水素漏洩又は区画火災が発生した場合は第１消火手段と冷却剤散布手段を動作し、一方、近隣火災又は近隣事故が発生した場合は第２消火手段と冷却手段を動作する。 (Control pattern 2)
The control pattern 2 of FIG. 12B is a control pattern for the first fire extinguishing means, the second fire extinguishing means, and the cooling means, and when a hydrogen leak or a section fire occurs, the first fire extinguishing means and the coolant are sprayed. Operate the means, while operating the second fire extinguishing means and cooling means in the event of a nearby fire or neighborhood accident.

（制御パターン３）
図１２（Ｃ）の制御パターン３は、第１消火手段、第２消火手段及び冷却手段を対象とした別の制御パターンであり、水素漏洩又は区画火災が発生した場合は、第１消火手段と第２消火手段を動作し、一方、近隣火災又は近隣事故が発生した場合は第１消火手段と冷却手段を動作する。 (Control pattern 3)
The control pattern 3 of FIG. 12C is another control pattern for the first fire extinguishing means, the second fire extinguishing means, and the cooling means, and when a hydrogen leak or a section fire occurs, the first fire extinguishing means is used. The second fire extinguishing means is operated, while the first fire extinguishing means and the cooling means are operated in the event of a nearby fire or a nearby accident.

（制御パターン４）
図１２（Ｄ）の制御パターン４は、近隣火災又は近隣事故が発生した場合に第１消火手段と第２消火手段を動作する制御パターンである。なお、水素漏洩又は区画火災が発生した場合については省略しているが、制御パターン１〜３の何れかとする。 (Control pattern 4)
The control pattern 4 of FIG. 12D is a control pattern in which the first fire extinguishing means and the second fire extinguishing means are operated when a nearby fire or a nearby accident occurs. Although the case where a hydrogen leak or a section fire occurs is omitted, it shall be any of the control patterns 1 to 3.

（制御パターン５）
図１２（Ｅ）の制御パターン５は、全ての異常事象の発生に対し第１消火手段、第２消火手段及び冷却手段の全てを動作する制御パターンである。これに加え第１消火手段、第２消火手段及び冷却手段を動作する順番を、水素漏洩又は区画火災については、例えば、
（第１消火手段）→（冷却手段）→（第２消火手段）
の順番とし、一方、近隣火災又は近隣事故については、例えば、
（冷却剤散布手段）→（第２消火手段）→（第１消火手段）
の順番としている。なお、何れについても、最初は仕切手段の仕切シートを展開して防護対象区画を囲む仕切区画を形成している。 (Control pattern 5)
The control pattern 5 of FIG. 12 (E) is a control pattern in which all of the first fire extinguishing means, the second fire extinguishing means, and the cooling means are operated in response to the occurrence of all abnormal events. In addition to this, the order in which the first fire extinguishing means, the second fire extinguishing means and the cooling means are operated, for hydrogen leakage or compartmentalized fire, for example,
(1st fire extinguishing means) → (cooling means) → (2nd fire extinguishing means)
On the other hand, for neighborhood fires or neighborhood accidents, for example,
(Coolant spraying means) → (2nd fire extinguishing means) → (1st fire extinguishing means)
It is in the order of. In each case, the partition sheet of the partition means is initially deployed to form a partition section surrounding the protected section.

上記各手段の動作の順番は一例であり、他の順番としても良いし、何れか２つまたは３つの動作を同時としても良い。 The order of operations of each of the above means is an example, and may be another order, or any two or three operations may be performed at the same time.

また図４に示した第１消火手段及び冷却手段を備えた水素ステーションの防災設備の異常事象に対する制御パターンは、図１２（Ａ）〜（Ｅ）に示した制御パターン１〜５から第２消火手段を除いた制御パターンとなる。 Further, the control patterns for abnormal events of the disaster prevention equipment of the hydrogen station provided with the first fire extinguishing means and the cooling means shown in FIG. 4 are the control patterns 1 to 5 to the second fire extinguishing shown in FIGS. 12A to 12E. It is a control pattern excluding the means.

［本発明の変形例］
（多重仕切区画の形成）
仕切シートの展開により、防護対象物であるディスペンサー設置領域を含む防護対象区画を仕切る仕切区画の形成は、防護対象区画を二重に囲むように仕切っても良い。この場合、内側の仕切区画と外側の仕切区画の間の中間領域は防護対象区画として扱っても良いし、防護対象区画外として扱っても良い。 [Modification of the present invention]
(Formation of multiple partition sections)
By deploying the partition sheet, the partition section that partitions the protected section including the dispenser installation area that is the protected object may be partitioned so as to double surround the protected section. In this case, the intermediate region between the inner partition and the outer partition may be treated as a protected section or outside the protected section.

また、三重以上に囲む仕切区画を形成する場合には、最も内側の区画以外の二重以上の間の中間領域については、その一部または全部について、防護対象区画として扱うか防護対象区画外として扱うかは、そのシステムや運用形態その他の事情にあわせて選択することができる。 In addition, when forming a partition section that surrounds more than three layers, part or all of the intermediate region between the double or more sections other than the innermost section is treated as a protected section or outside the protected section. Whether to handle it can be selected according to the system, operation mode, and other circumstances.

（第１、第２消火手段の消火剤）
上記実施形態の消火手段（第１消火手段）、第２消火手段では消火剤として消火用水を散布する例を示したが、上向き散布手段の実施形態と同様に、消火用水の散布に漏洩水素排出促進剤として消火用ガス（例えばＩＧ−５５、ＩＧ−５４１）の散布を組合せても良い。 (Fire extinguishing agent for the first and second fire extinguishing means)
In the fire extinguishing means (first fire extinguishing means) and the second fire extinguishing means of the above embodiment, an example of spraying fire extinguishing water as a fire extinguishing agent is shown, but as in the embodiment of the upward spraying means, leaked hydrogen is discharged to the spraying of fire extinguishing water. Spraying of fire extinguishing gas (for example, IG-55, IG-541) may be combined as an accelerator.

例えば水素漏洩発生の場合に、漏洩水素濃度が所定の第３濃度条件を充足した場合には散布ヘッド８０から上記何れかのガスを上向きに放出して漏洩水素を希釈し、所定の第４濃度条件を充足した場合には、消火用水の散布に切替え、又は消火用水の散布を加えるようにしても良い。 For example, in the case of hydrogen leakage, when the leakage hydrogen concentration satisfies the predetermined third concentration condition, any of the above gases is discharged upward from the spray head 80 to dilute the leakage hydrogen, and the predetermined fourth concentration is obtained. When the conditions are satisfied, the spraying of fire extinguishing water may be switched to, or the spraying of fire extinguishing water may be added.

所定の第３濃度条件とは例えば、水素が漏洩しているが、引火や発火、爆発に至る危険性が相当低いと判断される濃度範囲であり、所定の第４濃度条件とは例えば、引火や発火、爆発に至る危険性が第３濃度条件と比較して高いと判断される濃度範囲である。これらの条件に、濃度上昇率や継続時間の要素を付加して判断しても良い。 The predetermined third concentration condition is, for example, a concentration range in which hydrogen is leaking, but the risk of ignition, ignition, or explosion is judged to be considerably low, and the predetermined fourth concentration condition is, for example, ignition. This is the concentration range where it is judged that the risk of ignition or explosion is higher than that of the third concentration condition. In addition to these conditions, factors such as the rate of increase in concentration and the duration may be added for judgment.

このような漏洩水素濃度に応じた制御盤３５の消火手段の制御として、例えば、消火手段（第１消火手段）の場合、制御盤３５は水素検知器３０による検知水素濃度が２５％ＬＥＬに達したときには第３濃度条件を充足したとしてこれを報知（警報）すると共に仕切シート５６を展開して防護対象区画を仕切って消火ヘッド５２から消火用ガスを散布して漏洩水素を排出希釈する。そして、水素濃度が更に上昇して検知水素濃度が５０％ＬＥＬに達したときには第４濃度条件を充足したとして、消火ヘッド５２からの散布を消火用水の散布に切替える、或いは消火用ガスの散布と消火用水の散布の両方を行うようにして、水素ガスの排出希釈と防護対象区画内空間及び同区画内の防護対象物（例えばディスペンサー）の冷却防護を同時に行うようにしても良い。 As a control of the fire extinguishing means of the control panel 35 according to such a leaked hydrogen concentration, for example, in the case of the fire extinguishing means (first fire extinguishing means), the control panel 35 reaches 25% LEL of the hydrogen concentration detected by the hydrogen detector 30. When this happens, it is notified (alarmed) that the third concentration condition is satisfied, and the partition sheet 56 is expanded to partition the protected section, and the fire extinguishing gas is sprayed from the fire extinguishing head 52 to discharge and dilute the leaked hydrogen. Then, when the hydrogen concentration further increases and the detected hydrogen concentration reaches 50% LEL, it is assumed that the fourth concentration condition is satisfied, and the spraying from the fire extinguishing head 52 is switched to the spraying of fire extinguishing water, or the spraying of fire extinguishing gas. By spraying both fire extinguishing water, hydrogen gas emission dilution and cooling protection of the space in the protected compartment and the protected object (for example, a dispenser) in the protected compartment may be performed at the same time.

このようにすれば、水素濃度が低い場合には消火用水は散布されず水損を防止できると共に、排出促進ガスの散布で希釈した結果濃度が下がらない場合には消火剤散布により、より確実な防護へと切り替えられる。第２消火手段についても同様とすることができる。 In this way, when the hydrogen concentration is low, the fire extinguishing water is not sprayed and water damage can be prevented, and when the concentration does not decrease as a result of diluting with the spraying of the emission promoting gas, the fire extinguishing agent is sprayed more reliably. Switch to protection. The same can be applied to the second fire extinguishing means.

（濃度条件）
上記の実施形態で示した第１濃度条件と第３濃度条件は同じであっても良いし異なるものであっても良い。第２濃度条件と第４濃度条件についても同様である。 (Concentration condition)
The first concentration condition and the third concentration condition shown in the above embodiment may be the same or different. The same applies to the second concentration condition and the fourth concentration condition.

また、上記の実施形態で示した各濃度条件の水素濃度数値は一例であり、本発明はこれら数値に限定されない。 Moreover, the hydrogen concentration numerical value of each concentration condition shown in the said embodiment is an example, and the present invention is not limited to these numerical values.

（水素検知信号）
水素検知器３８からの水素検知信号は、所定濃度に達した旨を示す信号であっても良いし、検知した水素濃度を示すものであっても良い。後者の場合には、制御盤３５が所定濃度に達しているか否かを判断することになる。 (Hydrogen detection signal)
The hydrogen detection signal from the hydrogen detector 38 may be a signal indicating that a predetermined concentration has been reached, or may be a signal indicating the detected hydrogen concentration. In the latter case, it is determined whether or not the control panel 35 has reached a predetermined concentration.

（水素ステーション）
上記の実施形態はガソリン等給油ステーションと併設する併設型水素ステーションを例にとるものであるが、これに限定されず、単独型の水素ステーションについても同様に適用できる。 (Hydrogen station)
The above embodiment takes as an example an annexed hydrogen station attached to a refueling station such as gasoline, but the present invention is not limited to this, and the same applies to a stand-alone hydrogen station.

また、上記の実施形態は水素製造設備を備えたオンサイト型の水素ステーションを例にとるものであったが、これに限定されず、水素製造設備を持たないオフサイト型の水素ステーションについても同様に適用できる。 Further, the above embodiment is an example of an on-site type hydrogen station equipped with a hydrogen production facility, but the present invention is not limited to this, and the same applies to an off-site type hydrogen station having no hydrogen production facility. Can be applied to.

（シート展開装置）
上記の実施形態は、ディスペンサー上部を覆う屋根の周縁に複数のシート展開装置を配置した場合を例にとっているが、ディスペンサー設置領域を含む防護対象区画の周囲を取り囲むように仕切シートを展開することができれば、シート展開装置の配置は必要に応じて任意の配置とする。 (Sheet unfolding device)
In the above embodiment, a case where a plurality of sheet deploying devices are arranged on the peripheral edge of the roof covering the upper part of the dispenser is taken as an example, but the partition sheet may be deployed so as to surround the protection target section including the dispenser installation area. If possible, the seat unfolding device may be arranged arbitrarily as needed.

また、防護対象区画の横幅が長くなる場合は、複数台のシート展開装置を横に並べて配置する。この場合、隣接する仕切シートが端部で重なって隙間を塞ぐように複数台のシート展開装置を横に並べて配置する。 In addition, when the width of the protected section becomes long, a plurality of seat deploying devices are arranged side by side. In this case, a plurality of sheet deploying devices are arranged side by side so that adjacent partition sheets overlap at the ends and close the gap.

（実施形態のその他の組合せ）
本発明は、上記した各実施形態の組合せ以外にも、その目的と利点を損なうことのない適宜の組合せを含む。 (Other combinations of embodiments)
In addition to the combinations of the above-described embodiments, the present invention includes appropriate combinations that do not impair the purpose and advantages thereof.

（その他）
また、本発明はその目的と利点を損なうことのない適宜の変形を含み、例えば、消火用水は消火泡、粉末消火剤に代えることができる。 (Other)
Further, the present invention includes appropriate modifications that do not impair its purpose and advantages. For example, fire extinguishing water can be replaced with fire extinguishing foam or powder fire extinguishing agent.

更に本発明は、上記の実施形態に示した数値による限定は受けない。 Furthermore, the present invention is not limited by the numerical values shown in the above embodiments.

１０：併設型水素ステーション
１０Ａ：ガソリン等給油ステーション
１０Ｂ：水素ステーション
１０Ｃ：水素製造エリア
１１，１５：防火壁
１２：固定給油設備
１２ａ：給油スタンド
１３：固定注油設備
１３ａ：注油スタンド
１４：ディスペンサー
１４ａ：ディスペンサー設置領域
１６，１８：屋根
２０：原燃料タンク
２２：水素製造装置
２４：圧縮機
２５：貯蔵設備
２６：事務所
３２：火災受信盤
３４：火災感知器
３５：制御盤
３６：火災検知器
３８：水素検知器
４０：温度検出器
４２：起動装置
４４：水噴霧用ポンプ設備
４６：非常電源設備
４８：水噴霧ヘッド
５０：シート展開装置
５２，８０：消火ヘッド
５５：装置本体
５６：仕切シート
５７：シート固定部
５８：保持部材
６０：ラッチ解除部
６２：冷却剤散布ヘッド
６３：給水配管
６４，６８，７２：開閉弁
７０：外側消火ヘッド
７４：チューブ
７６：放出開口
７８：トラフ 10: Annexed hydrogen station 10A: Gasoline refueling station 10B: Hydrogen station 10C: Hydrogen production area 11, 15: Fire wall 12: Fixed refueling equipment 12a: Refueling stand 13: Fixed refueling equipment 13a: Lubrication stand 14: Dispenser 14a: Dispenser installation areas 16, 18: Roof 20: Raw fuel tank 22: Hydrogen production equipment 24: Compressor 25: Storage equipment 26: Office 32: Fire receiver 34: Fire detector 35: Control panel 36: Fire detector 38 : Hydrogen detector 40: Temperature detector 42: Starting device 44: Water spray pump equipment 46: Emergency power supply equipment 48: Water spray head 50: Sheet deploying device 52, 80: Fire extinguishing head 55: Device body 56: Partition sheet 57 : Seat fixing part 58: Holding member 60: Latch release part 62: Coolant spraying head 63: Water supply pipe 64, 68, 72: On-off valve 70: Outer fire extinguishing head 74: Tube 76: Discharge opening 78: Trough

Claims

水素ステーションの防災設備に於いて、
所定の異常事象発生時に、水素を車両に供給するディスペンサーの設置領域を含む所定の防護対象区画を囲んで仕切る仕切手段と、
前記仕切手段で仕切られた前記防護対象区画内に消火剤を散布する第１消火手段と、
を備えたことを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station
A partitioning means that surrounds and partitions a predetermined protected section including an installation area of a dispenser that supplies hydrogen to a vehicle when a predetermined abnormal event occurs.
A first fire extinguishing means for spraying a fire extinguishing agent in the protected section partitioned by the partitioning means,
Disaster prevention equipment for hydrogen stations, which is characterized by being equipped with.

請求項１記載の水素ステーションの防災設備に於いて、
前記所定の異常事象として前記防護対象区画の水素漏洩又は区画火災の何れかが発生した場合に、前記第１消火手段により前記防護対象区画内に消火剤を散布することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 1.
A hydrogen station characterized by spraying a fire extinguishing agent into the protected section by the first fire extinguishing means when either a hydrogen leak or a section fire occurs in the protected section as the predetermined abnormal event. Disaster prevention equipment.

請求項１記載の水素ステーションの防災設備に於いて、更に、
前記防護対象区画を仕切る前記仕切手段に冷却剤を散布する冷却手段を備えたことを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 1, further
A disaster prevention facility for a hydrogen station, characterized in that the partitioning means for partitioning the protected section is provided with a cooling means for spraying a cooling agent.

請求項３記載の水素ステーションの防災設備に於いて、
前記所定の異常事象として前記防護対象区画の水素漏洩、区画火災、近隣火災又は近隣事故の何れかが発生した場合に、前記第１消火手段により前記防護対象区画内に消火剤を散布すると共に、前記冷却手段により前記仕切手段に冷却剤を散布して冷却することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 3.
When any of hydrogen leakage, section fire, neighborhood fire or neighborhood accident occurs in the protected section as the predetermined abnormal event, the fire extinguishing agent is sprayed into the protected section by the first fire extinguishing means, and the fire extinguishing agent is sprayed. A disaster prevention facility for a hydrogen station, characterized in that a cooling agent is sprayed on the partition means by the cooling means to cool the partition.

請求項３記載の水素ステーションの防災設備に於いて、
前記所定の異常事象として前記防護対象区画の近隣火災又は近隣事故の何れかが発生した場合に、前記冷却手段により前記仕切手段に冷却剤を散布して冷却することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 3.
When either a nearby fire or a nearby accident occurs in the protected area as the predetermined abnormal event, the cooling means sprays a cooling agent on the partition means to cool the hydrogen station. Facility.

請求項１記載の水素ステーションの防災設備に於いて、更に、
前記仕切手段で仕切られた前記防護対象区画の外側に消火剤を散布する第２の消火手段を備えたことを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 1, further
A disaster prevention facility for a hydrogen station, characterized in that a second fire extinguishing means for spraying a fire extinguishing agent is provided on the outside of the protected section partitioned by the partitioning means.

請求項６記載の水素ステーションの防災設備に於いて、
前記所定の異常事象として前記防護対象区画の水素漏洩、区画火災、近隣火災又は近隣事故の何れかが発生した場合に、前記第１消火手段により前記防護対象区画内に消火剤を散布すると共に、前記第２消火手段により前記防護対象区画の外側に消火剤を散布することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 6.
When any of hydrogen leakage, section fire, neighborhood fire or neighborhood accident occurs in the protected section as the predetermined abnormal event, the fire extinguishing agent is sprayed into the protected section by the first fire extinguishing means, and the fire extinguishing agent is sprayed. A disaster prevention facility for a hydrogen station, characterized in that a fire extinguishing agent is sprayed on the outside of the protected section by the second fire extinguishing means.

請求項１記載の水素ステーションの防災設備に於いて、更に、
前記防護対象区画を仕切る前記仕切手段に冷却剤を散布する冷却剤散布手段と、
前記仕切手段で仕切られた前記防護対象区画の外側に消火剤を散布する第２の消火手段と、
を備えたことを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 1, further
A coolant spraying means for spraying a coolant to the partitioning means for partitioning the protected section,
A second fire extinguishing means for spraying a fire extinguishing agent on the outside of the protected section partitioned by the partitioning means,
Disaster prevention equipment for hydrogen stations, which is characterized by being equipped with.

請求項８記載の水素ステーションの防災設備に於いて、
前記所定の異常事象として前記防護対象区画の近隣火災又は近隣事故の何れかが発生した場合に、前記第２消火手段により前記防護対象区画の外側に消火剤を散布すると共に前記冷却手段により前記仕切手段に冷却剤を散布して冷却することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 8.
When either a nearby fire or a nearby accident occurs in the protected section as the predetermined abnormal event, the second fire extinguishing means sprays a fire extinguishing agent on the outside of the protected section and the cooling means partitions the partition. A hydrogen station disaster prevention facility characterized by spraying a coolant on the means to cool it.

請求項８記載の水素ステーションの防災設備に於いて、
前記所定の異常事象として前記防護対象区画の水素漏洩、区画火災、近隣火災又は近隣事故の何れかが発生した場合に、前記第１消火手段により前記防護対象区画内に消火剤を散布すると共に、前記第２消火手段により前記防護対象区画の外側に消火剤を散布し、更に、前記冷却手段により前記仕切手段に冷却剤を散布して冷却することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 8.
When any of hydrogen leakage, section fire, neighborhood fire or neighborhood accident occurs in the protection target section as the predetermined abnormal event, the fire extinguishing agent is sprayed into the protection target section by the first fire extinguishing means, and the fire extinguishing agent is sprayed. A disaster prevention facility for a hydrogen station, characterized in that a fire extinguishing agent is sprayed on the outside of the protected section by the second fire extinguishing means, and a cooling agent is sprayed on the partition means by the cooling means to cool the partition.

請求項１乃至１０の何れかに記載の水素ステーションの防災設備に於いて、更に、上向き散布手段を設け、前記所定の異常事象として前記防護対象区画の水素漏洩が発生した場合に、前記上向き散布手段は前記防護対象区画内空間の下方から上方に向けて所定の漏洩水素排出促進剤を散布することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to any one of claims 1 to 10, an upward spraying means is further provided, and when hydrogen leakage occurs in the protected section as the predetermined abnormal event, the upward spraying is performed. The means is a disaster prevention facility for a hydrogen station, which comprises spraying a predetermined leaked hydrogen emission promoter from the lower side to the upper side of the space in the protected area.

請求項１１記載の水素ステーションの防災設備に於いて、
漏洩水素の水素濃度が所定の第１濃度条件を充足したときに前記上向き散布手段から前記防護対象区画内に前記漏洩水素排出促進剤を散布し、
前記漏洩水素濃度が前記第１濃度条件と比較して高い所定の第２濃度条件を充足したときに前記上向き散布手段からの前記漏洩水素排出促進剤の散布を停止し又は停止せずに前記第１消火手段から前記防護対象区画内に前記消火剤を散布することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 11.
When the hydrogen concentration of the leaked hydrogen satisfies the predetermined first concentration condition, the leaked hydrogen discharge accelerator is sprayed from the upward spraying means into the protected section.
When the predetermined second concentration condition in which the leaked hydrogen concentration is higher than that of the first concentration condition is satisfied, the spraying of the leaked hydrogen discharge accelerator from the upward spraying means is stopped or is not stopped. (1) A disaster prevention facility for a hydrogen station, characterized in that the fire extinguishing agent is sprayed from a fire extinguishing means into the protected area.

請求項１乃至１２の何れかに記載の水素ステーションの防災設備に於いて、前記仕切手段は、仕切シートを通常時は非展開状態に保持し、前記所定の異常事象として前記水素漏洩、前記区画火災、前記近隣火災又は前記近隣事故の何れかが発生した場合に、前記仕切シートの保持を解除して下方に展開することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to any one of claims 1 to 12, the partitioning means normally holds the partition sheet in an undeployed state, and as the predetermined abnormal event, the hydrogen leak and the partition. A hydrogen station disaster prevention facility characterized in that, in the event of a fire, the neighborhood fire, or the neighborhood accident, the partition sheet is released from holding and deployed downward.

請求項１３記載の水素ステーションの防災設備に於いて、
前記仕切シートは、展開したときに前記防護対象区画の上部に放出開口を設けるように配置されることを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 13.
The partition sheet is a disaster prevention facility for a hydrogen station, characterized in that the partition sheet is arranged so as to provide a discharge opening in the upper part of the protected section when deployed.

請求項１３又は１４記載の水素ステーションの防災設備に於いて、
前記仕切シートは防火性、耐火性又は耐熱性を有することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 13 or 14.
The partition sheet is a disaster prevention facility for a hydrogen station, which is characterized by having fire resistance, fire resistance, or heat resistance.

請求項１５記載の水素ステーションの防災設備に於いて、
前記仕切シートは更に遮熱性、遮煙性又は遮炎性を有することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 15.
The partition sheet is a disaster prevention facility for a hydrogen station, which is further characterized by having a heat-shielding property, a smoke-shielding property, or a flame-shielding property.

請求項１３乃至１６の何れかに記載の水素ステーションの防災設備に於いて、
前記仕切シートは、布状体であることを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to any one of claims 13 to 16.
The partition sheet is a disaster prevention facility for a hydrogen station, which is characterized by being a cloth-like body.

請求項３乃至５又は８乃至１０の何れかに記載の水素ステーションの防災設備に於いて、前記消火剤と前記冷却剤を消火用水としたことを特徴とする水素ステーションの防災設備。
The disaster prevention equipment for a hydrogen station according to any one of claims 3 to 5 or 8 to 10, wherein the fire extinguishing agent and the cooling agent are used as fire extinguishing water.

請求項１３乃至１７の何れかに記載の水素ステーションの防災設備に於いて、
前記仕切シートはシート側端辺及び／又はシート下端辺に沿ってチューブが設けられ、
前記仕切シートの展開中又は展開後に前記チューブに充水して当該仕切りシートを補強することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to any one of claims 13 to 17.
The partition sheet is provided with a tube along the sheet side edge and / or the sheet lower edge.
A hydrogen station disaster prevention facility characterized in that the tube is filled with water during or after the partition sheet is deployed to reinforce the partition sheet.

請求項１記載の水素ステーションの防災設備に於いて、
前記第１消火手段は、前記防護対象区画内に所定の漏洩水素排出促進ガス又は前記消火剤の何れか一方又は両方散布する手段を備え、
前記所定の異常事象として前記防護対象区画の水素漏洩が発生した場合に、漏洩水素濃度が所定の第３濃度条件を充足したときに前記第１消火手段から前記防護対象区画内に前記露営水素排出促進ガスを散布し、前記漏洩水素濃度が前記第３濃度条件と比較して高い所定の第４濃度条件を充足したときに前記第１消火手段から前記防護対象区画内に前記消火剤又は前記消火剤と前記漏洩水素排出促進ガスを散布することを特徴とする水素ステーションの防災設備。
In the disaster prevention equipment of the hydrogen station according to claim 1.
The first fire extinguishing means includes means for spraying one or both of a predetermined leaked hydrogen emission promoting gas or the fire extinguishing agent in the protected section.
When hydrogen leakage occurs in the protected section as the predetermined abnormal event, and when the leaked hydrogen concentration satisfies the predetermined third concentration condition, the exposed hydrogen is discharged from the first fire extinguishing means into the protected section. When the accelerating gas is sprayed and a predetermined fourth concentration condition in which the leaked hydrogen concentration is higher than that of the third concentration condition is satisfied, the fire extinguishing agent or the fire extinguishing agent or the fire extinguishing agent or the fire extinguishing agent from the first fire extinguishing means into the protected section. A hydrogen station disaster prevention facility characterized by spraying an agent and the leaked hydrogen emission promoting gas.

請求項２０記載の水素ステーションの防災設備に於いて、
更に、前記仕切手段で仕切られた前記防護対象区画の外側に前記漏洩水素排出促進ガス又は前記消火剤の何れか一方又は両方を散布する第２消火手段を備え、
前記所定の異常事象として前記防護対象区画の水素漏洩が発生した場合に、漏洩水素濃度が所定の第３濃度条件を充足したときに前記第２消火手段から前記防護対象区画の外側に前記漏洩水素排出促進ガスを散布し、前記漏洩水素濃度が前記第３濃度条件と比較して高い所定の第４濃度条件を充足したときに前記第１消火手段から前記防護対象区画の外側に前記消火剤又は前記消火剤と前記漏洩水素排出促進ガスを散布することを特徴とする水素ステーションの防災設備。 In the disaster prevention equipment of the hydrogen station according to claim 20
Further, a second fire extinguishing means for spraying one or both of the leaked hydrogen discharge promoting gas and the fire extinguishing agent is provided outside the protected section partitioned by the partitioning means.
When hydrogen leakage occurs in the protected section as the predetermined abnormal event, and when the leaked hydrogen concentration satisfies the predetermined third concentration condition, the leaked hydrogen is discharged from the second fire extinguishing means to the outside of the protected section. When the discharge promoting gas is sprayed and the predetermined fourth concentration condition in which the leaked hydrogen concentration is higher than the third concentration condition is satisfied, the fire extinguishing agent or the fire extinguishing agent or the fire extinguishing agent or the outside of the protected section from the first fire extinguishing means A hydrogen station disaster prevention facility characterized by spraying the fire extinguishing agent and the leaked hydrogen emission promoting gas.