Waste-heat boiler for partical-laden gases

Abstract

A boiler for cooling waste gases has side walls including a pair of opposite side walls defining a passage through which the waste gases flow, cooling-tube sections in the passage against the walls, and at least one tubular tie rod having outer ends anchored in the opposite side walls and extending transversely through the passage, A coolant is pumped through the cooling-tube sections and through the tubular tie rod. The tie rod extends straight through the passage and is braced at its ends under tension against the opposite side walls.

Dependencies are inferred from the claim text.