A methane -generating pit for chinampa base on water

The utility model provides a methane -generating pit for chinampa base on water, including outer box, the outer container is internal to have the reaction zone, be provided with in the reaction zone and be used for accelerating the agitating unit that marsh gas generated, agitating unit include with both sides in the wallboard rotate the pivot of setting mutually, the fixed setting in the installation department at pivot both ends, connect a plurality of arc puddlers between the installation department of both ends, it is globular that a plurality of arc puddlers are the olive, the arc puddler is the hollow tube, and set up a plurality of jet orifices that are linked together rather than the cavity on the arc puddler, its one end is closed, be provided with the shunt on one of them installation department, the other end and the shunt of arc puddler are linked together, the shunt is connected with the zymotic fluid conveyer pipe through rotary joint, the zymotic fluid conveyer pipe is linked together with the