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JP2016165496A5 - Fire extinguishing gas injection equipment construction method - Google Patents

Fire extinguishing gas injection equipment construction method Download PDF

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Publication number
JP2016165496A5
JP2016165496A5 JP2016086327A JP2016086327A JP2016165496A5 JP 2016165496 A5 JP2016165496 A5 JP 2016165496A5 JP 2016086327 A JP2016086327 A JP 2016086327A JP 2016086327 A JP2016086327 A JP 2016086327A JP 2016165496 A5 JP2016165496 A5 JP 2016165496A5
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Prior art keywords
extinguishing gas
fire extinguishing
branch pipe
absorbing material
fire
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JP2016086327A
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Japanese (ja)
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JP2016165496A (en
JP6193437B2 (en
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Publication of JP2016165496A5 publication Critical patent/JP2016165496A5/en
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Claims (4)

高圧の消火ガス供給源に接続される枝管に消火ガス噴射装置を取り付ける、消火ガス噴射装置の施工方法であって、
前記消火ガス噴射装置は、消火対象区画内のＯ２濃度を低下させて消火し、
前記消火ガス噴射装置は、前記枝管に接続され、ノズル部を有する噴射ヘッドと、前記ノズル部から放出される消火ガスが流入する多孔質金属からなる吸音材と、前記吸音材に接触して前記吸音材を固定するリング部材と、前記噴射ヘッドと前記リング部材とを接続する接続部材とを備え、
前記ノズル部にはノズル孔が設けられており、
前記吸音材は消火ガスを放出する一方端面と、前記ノズル孔の開口と対面する他方端面とを有し、前記ノズル孔から放出される消火ガスを前記多孔質金属内へ前記他方端面から直接流入させることができ、消火ガスが前記ノズル孔から放出直後に過膨張して衝撃波を発生させる前に前記吸音材に流入させ、
前記接続部材は、前記噴射ヘッドに螺合することが可能な螺合部を含み、
前記一方端面は、前記リング部材に接する部分を除いて大気開放されており、前記枝管側には消火ガスが前記噴射ヘッドから放出されず、
前記吸音材の前記一方端面から消火ガスが大気へ放出されるとともに、前記吸音材の周面からも消火ガスが大気へ放出され、前記他方端面から前記一方端面まで前記吸音材は隙間なく詰められており、
前記噴射ヘッドに前記枝管を螺合させることで前記枝管に前記噴射ヘッドを取り付ける、消火ガス噴射装置の施工方法。 A fire extinguishing gas injection device construction method for attaching a fire extinguishing gas injection device to a branch pipe connected to a high pressure extinguishing gas supply source,
The fire extinguishing gas injection device extinguishes fire by reducing the O 2 concentration in the fire extinguishing target section,
The fire extinguishing gas jetting device is connected to the branch pipe and has a jet head having a nozzle portion, a sound absorbing material made of a porous metal into which a fire extinguishing gas discharged from the nozzle portion flows, and a contact with the sound absorbing material. A ring member for fixing the sound absorbing material, and a connecting member for connecting the ejection head and the ring member,
The nozzle portion is provided with a nozzle hole,
The sound absorbing material has one end face that emits a fire extinguishing gas and the other end face facing the opening of the nozzle hole, and the fire extinguishing gas emitted from the nozzle hole flows directly into the porous metal from the other end face. The fire extinguishing gas is allowed to flow into the sound-absorbing material before it overexpands immediately after being released from the nozzle hole and generates a shock wave,
The connection member includes a screwing portion capable of being screwed to the ejection head,
The one end surface is open to the atmosphere except for a portion in contact with the ring member, and fire extinguishing gas is not emitted from the jet head to the branch pipe side,
The fire extinguishing gas is released from the one end face of the sound absorbing material to the atmosphere, the fire extinguishing gas is also released from the peripheral surface of the sound absorbing material to the atmosphere, and the sound absorbing material is packed from the other end face to the one end face without a gap. And
The construction method of the fire extinguishing gas injection apparatus which attaches the said injection head to the said branch pipe by screwing together the said branch pipe to the said injection head. 前記噴射ヘッドに前記枝管の外周面を螺合させる、請求項１に記載の消火ガス噴射装置の施工方法。   The construction method of the fire-extinguishing gas injection device according to claim 1, wherein the outer peripheral surface of the branch pipe is screwed into the injection head. 前記ノズルヘッドには、前記枝管に連通して前記枝管の内径よりも小径の前記ノズル孔が設けられる、請求項１または２に記載の消火ガス噴射装置の施工方法。   The construction method of the fire extinguishing gas injection device according to claim 1 or 2, wherein the nozzle head is provided with the nozzle hole having a diameter smaller than an inner diameter of the branch pipe in communication with the branch pipe. 前記消火対象区画の壁面に前記消火ガス噴射装置を取り付ける、請求項１から３のいずれか１項に記載の消火ガス噴射装置の施工方法。   The construction method of the fire-extinguishing gas injection apparatus of any one of Claim 1 to 3 which attaches the said fire-extinguishing gas injection apparatus to the wall surface of the said fire extinguishing object division.
JP2016086327A 2009-10-23 2016-04-22 Fire extinguishing gas injection equipment construction method Active JP6193437B2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2009244986 2009-10-23
JP2009244986 2009-10-23
JP2010023575 2010-02-04
JP2010023575 2010-02-04
JP2010086586 2010-04-02
JP2010086586 2010-04-02

Related Parent Applications (1)

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JP2015136075A Division JP6324351B2 (en) 2009-10-23 2015-07-07 Fire extinguishing gas injection device and gas fire extinguishing equipment

Related Child Applications (1)

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JP2017152528A Division JP6334788B2 (en) 2009-10-23 2017-08-07 Fire extinguishing gas injection device

Publications (3)

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JP2016165496A JP2016165496A (en) 2016-09-15
JP2016165496A5 true JP2016165496A5 (en) 2017-06-15
JP6193437B2 JP6193437B2 (en) 2017-09-06

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JP2011153352A Active JP4988945B2 (en) 2009-10-23 2011-07-11 Gas fire extinguishing equipment
JP2011267400A Active JP5576846B2 (en) 2009-10-23 2011-12-06 Gas fire extinguishing equipment
JP2011267401A Active JP5576847B2 (en) 2009-10-23 2011-12-06 Gas fire extinguishing equipment
JP2011267402A Pending JP2012055713A (en) 2009-10-23 2011-12-06 Gas fire-extinguishing equipment
JP2012082679A Pending JP2012157705A (en) 2009-10-23 2012-03-30 Gas fire-extinguishing facility and silencing device
JP2012174430A Withdrawn JP2012210500A (en) 2009-10-23 2012-08-06 Gas fire extinguishing equipment
JP2013052442A Active JP5589111B2 (en) 2009-10-23 2013-03-14 Gas fire extinguishing equipment
JP2013210605A Pending JP2014012226A (en) 2009-10-23 2013-10-07 Gas extinguishment facility
JP2014035424A Active JP5749363B2 (en) 2009-10-23 2014-02-26 Fire extinguishing gas injection device
JP2014035425A Active JP5864640B2 (en) 2009-10-23 2014-02-26 Fire extinguishing gas injection device
JP2014105467A Pending JP2014144383A (en) 2009-10-23 2014-05-21 Equipment room, gas fire-extinguishing method and gas fire-extinguishing equipment
JP2014125348A Active JP5922711B2 (en) 2009-10-23 2014-06-18 Fire extinguishing gas injection device
JP2014125349A Active JP5922712B2 (en) 2009-10-23 2014-06-18 Fire extinguishing gas injection device
JP2015099483A Active JP6329511B2 (en) 2009-10-23 2015-05-14 Gas fire extinguishing equipment
JP2015116171A Active JP6329514B2 (en) 2009-10-23 2015-06-08 Gas fire extinguishing equipment
JP2015116170A Active JP6151306B2 (en) 2009-10-23 2015-06-08 Silencer and gas fire extinguishing equipment
JP2015136075A Active JP6324351B2 (en) 2009-10-23 2015-07-07 Fire extinguishing gas injection device and gas fire extinguishing equipment
JP2016086327A Active JP6193437B2 (en) 2009-10-23 2016-04-22 Fire extinguishing gas injection equipment construction method
JP2016247195A Active JP6383398B2 (en) 2009-10-23 2016-12-20 Gas fire extinguishing equipment
JP2017152528A Active JP6334788B2 (en) 2009-10-23 2017-08-07 Fire extinguishing gas injection device
JP2017207888A Active JP6595557B2 (en) 2009-10-23 2017-10-27 Fire extinguishing gas injection device and gas fire extinguishing equipment
JP2018120929A Active JP6535794B2 (en) 2009-10-23 2018-06-26 Fire extinguishing gas injection device and gas extinguishing system
JP2019118921A Active JP6974393B2 (en) 2009-10-23 2019-06-26 Construction method of fire extinguishing gas injection device, gas fire extinguishing equipment using it, and fire extinguishing gas injection device
JP2020187220A Active JP6862600B2 (en) 2009-10-23 2020-11-10 Construction method of the injection head and its injection head in the fire extinguishing target section
JP2021055195A Active JP7344240B2 (en) 2009-10-23 2021-03-29 Silencer and gas fire extinguishing equipment
JP2022126965A Active JP7591009B2 (en) 2009-10-23 2022-08-09 Gas fire extinguishing equipment
JP2023175242A Active JP7644192B2 (en) 2009-10-23 2023-10-10 Gas fire extinguishing equipment

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JP2011153352A Active JP4988945B2 (en) 2009-10-23 2011-07-11 Gas fire extinguishing equipment
JP2011267400A Active JP5576846B2 (en) 2009-10-23 2011-12-06 Gas fire extinguishing equipment
JP2011267401A Active JP5576847B2 (en) 2009-10-23 2011-12-06 Gas fire extinguishing equipment
JP2011267402A Pending JP2012055713A (en) 2009-10-23 2011-12-06 Gas fire-extinguishing equipment
JP2012082679A Pending JP2012157705A (en) 2009-10-23 2012-03-30 Gas fire-extinguishing facility and silencing device
JP2012174430A Withdrawn JP2012210500A (en) 2009-10-23 2012-08-06 Gas fire extinguishing equipment
JP2013052442A Active JP5589111B2 (en) 2009-10-23 2013-03-14 Gas fire extinguishing equipment
JP2013210605A Pending JP2014012226A (en) 2009-10-23 2013-10-07 Gas extinguishment facility
JP2014035424A Active JP5749363B2 (en) 2009-10-23 2014-02-26 Fire extinguishing gas injection device
JP2014035425A Active JP5864640B2 (en) 2009-10-23 2014-02-26 Fire extinguishing gas injection device
JP2014105467A Pending JP2014144383A (en) 2009-10-23 2014-05-21 Equipment room, gas fire-extinguishing method and gas fire-extinguishing equipment
JP2014125348A Active JP5922711B2 (en) 2009-10-23 2014-06-18 Fire extinguishing gas injection device
JP2014125349A Active JP5922712B2 (en) 2009-10-23 2014-06-18 Fire extinguishing gas injection device
JP2015099483A Active JP6329511B2 (en) 2009-10-23 2015-05-14 Gas fire extinguishing equipment
JP2015116171A Active JP6329514B2 (en) 2009-10-23 2015-06-08 Gas fire extinguishing equipment
JP2015116170A Active JP6151306B2 (en) 2009-10-23 2015-06-08 Silencer and gas fire extinguishing equipment
JP2015136075A Active JP6324351B2 (en) 2009-10-23 2015-07-07 Fire extinguishing gas injection device and gas fire extinguishing equipment

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JP2016247195A Active JP6383398B2 (en) 2009-10-23 2016-12-20 Gas fire extinguishing equipment
JP2017152528A Active JP6334788B2 (en) 2009-10-23 2017-08-07 Fire extinguishing gas injection device
JP2017207888A Active JP6595557B2 (en) 2009-10-23 2017-10-27 Fire extinguishing gas injection device and gas fire extinguishing equipment
JP2018120929A Active JP6535794B2 (en) 2009-10-23 2018-06-26 Fire extinguishing gas injection device and gas extinguishing system
JP2019118921A Active JP6974393B2 (en) 2009-10-23 2019-06-26 Construction method of fire extinguishing gas injection device, gas fire extinguishing equipment using it, and fire extinguishing gas injection device
JP2020187220A Active JP6862600B2 (en) 2009-10-23 2020-11-10 Construction method of the injection head and its injection head in the fire extinguishing target section
JP2021055195A Active JP7344240B2 (en) 2009-10-23 2021-03-29 Silencer and gas fire extinguishing equipment
JP2022126965A Active JP7591009B2 (en) 2009-10-23 2022-08-09 Gas fire extinguishing equipment
JP2023175242A Active JP7644192B2 (en) 2009-10-23 2023-10-10 Gas fire extinguishing equipment

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