HEAT-EXCHANGER PACKING AND METHOD OF MANUFACTURE OF CORRUGATED SPACER SHEETS OF HEAT-EXCHANGER PACKING

摘要

FIELD: heat-power engineering; regenerative air preheaters. SUBSTANCE: heat-exchanger packing includes alternating spacer corrugated sheets and filling sheets provided with perforations; spacer sheets are also provided with perforations. Innovation of invention consists in subjecting the starting sheet to expansion performed in accordance with known procedure before cutting blanks from it. EFFECT: enhanced efficiency. 3 cl, 4 dwg, 1 tbl