Antifouling wall structure for use in pipe and method of constructing the antifouling wall therefor

An antifouling wall structure for use in pipe structure through which fluid such as seawater flows, comprising a pipe wall structure to be rendered antifouling,

• said antifouling structure containing replaceable and detachable antifouling panels, which form a circular shape, on the inner wall entire surface of the pipe structure,
• said antifouling panels consisting of a plurality of divisions, which form a circular shape, said water contacting surface of the divisions is disposed to be exposed to the water contacting side of the pipe structure and is disposed on the inner wall surface of the pipe structure along the flow direction of the fluid,
• at least one other division is detachably disposed on the end side of one division, and extending along the flow direction of the fluid, by means of fitting pieces formed on the one end of the other divisions,
• said divisions are disposed on the inner surface of the pipe structure in the form of a loop by means of said fitting pieces and the final ends of the loop of the divisions having no fitting pieces are detachably fitted to each other by means of a plate lock extending along the flow direction of the fluid, whereby,
• said antifouling panels are replaceably and detachably fitted on the inner wall entire surface of the pipe structure.

An antifouling pipe wall structure through which fluid such as seawater flows, comprising a pipe wall structure having detachably fitted on an inner wall surface thereof, antifouling panels which confirm to the shape of the inner wall surface and which consist of a plurality of divisions arranged in groups of three,

• the antifouling panel divisions consists of a first division arranged on a ceiling part of the pipe structure, a second division arranged on one side of the first division and a third division arranged on the opposite side of the first division, and
• wherein the second division and the third division have respective edges lying in mutually abutting relationships and the abutting portions are detachably fixed to the pipe wall by threaded bolts and lock nuts and a plate lock extending along the flow of the fluid, and wherein said antifouling panel divisions contain on the inner surface thereof an antifouling paint layer, and
• wherein each of the first, second and third divisions has the form of a substantially circular arc, the edge of the second division adjacent to the first division and the edge of the third division adjacent to the first division are each integrally fitted with fitting pieces which are integrally molded with the second division and the third division or are separately molded and are fixed with screws to the respective edges of the second and third divisions in a manner such that the second division fitting piece overlaps one edge of the first division and the third division fitting piece overlaps the other edge of the first division.