Grid for intercepting solid elements circulated in a heat exchanger to clean it, and a control installation for such elements including such a grid

摘要

A grid for intercepting solid elements circulated in a heat exchanger to clean it; the grid includes a frame (33) and molded grid members (36) assembled onto the frame (33); the frame (33) is made up of parallel sheet metal chevrons (34) disposed at a regular pitch and transverse cross members (35) and an articulation shaft (31) passing through and welded to the chevrons; the grid members are globally rectangular and extend successively between two plates (34). A control installation for solid cleaning elements, includes the above kind of grid.