| 摘要 |
PURPOSE: A gas collecting pipe is provided to accurately controlling the length of the gas collecting pipe by the height of piling up waste, by forming the length of a unit pipe short. CONSTITUTION: A gas collecting pipe is formed by laminating unit pipes(200). The unit pipes are formed with an inner pipe(210), an outer pipe(220), and a supporter on the upper side and the lower side. The inner pipe includes a gas inflow hole, and the outer pipe is formed in a wire netting structure. The unit pipes additionally include a middle supporter in the center of the longitudinal direction of the outer pipe. |
