DOUBLE-CHANNEL SEWAGE DISCHARGE DEVICE FOR SEA CUCUMBER CULTURE POND AND WORKING METHOD THEREOF

• Main Authors: ZHANG, Yulei, GU, Chuanchuan, ZHANG, Haigeng
• Format: Patent
• Language: English
• Published: 27.07.2022

The invention relates to a double-channel blowdown device of a sea cucumber culture pond, which is characterized in that an annular gas distribution pipe higher than a central blowdown pipe is sleeved outside the central blowdown pipe of a gas stripping blowdown channel device, so that an annular space is formed between the annular gas distribution pipe and the central blowdown pipe; an aeration head for driving the C-shaped pulley block to rotate is arranged at one side end of the C-shaped pulley block, and a plurality of sewage suction hard pipes diverging from the center to the periphery are arranged around the C-shaped pulley block; dirt suction holes are formed in the bottom of the dirt suction hard pipe at intervals, the two sides of the dirt suction hard pipe are communicated with a plurality of dirt suction hoses, and a plurality of dirt suction small holes are formed in the side walls of the dirt suction hoses; an aeration water lifting device is arranged in the annular space and lifts sewage at the bottom of the annular air distribution pipe to an upper opening of the central blow-off pipe, so that the sewage falls down from the upper opening of the central blow-off pipe along the central blow-off pipe and flows out along the bottom blow-off pipe; the bottom transverse drainage channel device is located below the bottom face of the culture pond, the annular disc sleeve is provided with small drainage holes communicated with the pond bottom, the funnel device is installed on the lower portion of the annular disc, and the side face of the funnel device is communicated with at least one side drainage pipe.