| 摘要 |
PURPOSE:To enable to realize light-weight small size water sealing type gas tank by a structure wherein a sac-like material, as a side wall of which bellows- shape creases are employed, are used as the gas tank. CONSTITUTION:When the rate of gas consumption of gas consuming apparatuses is larger than the rate of fermentation of fermentation gas in a methane fermentation tank, the gas 2 stored in the bag-like material 1 flows out of the tank through a gas distributing pipe 3 to be charged to the gas consuming apparatuses. When the magnitudes of both the rates mentioned above are reversed, the fermentation gas flows in the gas tank and is stored therewithin. Because the gas tank is constituted of the sac-like material, the capacity of which nearly equals to the maximum volume to be stored, and yet the weight of the gas tank is the weight of structural members only, the light-weight small size gas tank is resulted. |
