| 摘要 |
<p>1. Installation for the production of biogas in which organic substances together with waste materials, particularly from agricultural operations, are fermented into methane in a number of steps, including a container (21) for the initial aerobic fermentation and a plurality of fermentation tanks (1), the fermentation tanks (1) having a device (2) for circulated the fermenting material, characterised in that the device (2) for circulating the fermenting material is constituted by at least two cap-like, preferably umbrella-shaped bodies (4, 6) which are mounted with their open sides directed towards one another on a tube (3) which is guided on a central spindle (7) so as to be displaceable in a longitudinal direction.</p> |
