| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly reliable fire extinguisher stock solution storage tank whose maintenance is easy and which has a simple operation mechanism, and to provide a fire extinguisher mixing device.SOLUTION: A fire extinguisher stock solution storage tank includes: a tank body 23 which forms a storage space for storing a fire extinguisher stock solution by the inner wall surface thereof, and has a discharge pipe 9; a liquid feed pipe 24 which is provided through the tank body 23, has a tubular wall 24a forming the flow path of an operation liquid on the inner side thereof, and has a through-hole 24c on the tubular wall 24a; and an elastic cylindrical body 25 which is provided on the inner side of the tank body 23, surrounds the tubular wall 24a to make the tubular wall 24a hold both ends thereof, and is expanded by the operation liquid flowing out from the through-hole 24c under the operation of an exit side closing valve 46 that closes the exit of the liquid supply pipe 24 to push out the fire extinguisher stock solution through the discharge pipe 9. |
