Patent ID: 7870732

Claim:
A submarine cold water pipe water intake system of an ocean thermal energy conversion power plant, having a cold water inlet disposed on a power boat, a water pump device installed at the cold water inlet, a cold water pipe with an end coupled to the cold water inlet of the power boat, and another end extended into a seabed for sucking low-temperature seawater, and the cold water pipe comprising: a water intake head, having a plurality of filter holes disposed on a surface of the water intake head, and a fixing portion disposed at an end of the water intake head; a water intake pipe, with an end coupled to the fixing portion of the water intake head, and the water intake pipe being formed by connecting a plurality of composite pipes in series, wherein each composite pipe includes a plurality of wavy inner pipes arranged sequentially into a tubular shape, and a watertight fabric wrapped around internal and external peripheries of a pipe wall of the composite pipe, and each of both ends of the composite pipe includes a connecting portion, and a plurality of connecting through holes disposed on the connecting portion and corresponding to each wavy inner pipe; a connecting pipe, formed by sheathing an outer pipe with an inner pipe, for connecting an inner pipe of the connecting pipe to a water inlet of the power boat, and an end of the outer pipe of the connecting pipe having an engaging portion connected to a connecting portion of the water intake pipe, and one or more buoys installed on each of the outer pipe and the inner pipe.