HEAT EXCHANGER Russian patent published in 1999 - IPC

FIELD: heat supply systems for buildings. SUBSTANCE: proposed heat exchanger has identical heat exchange sectors in the form of bunches of pipes confined in enclosures connected to collector chambers manufactured in the form of shells with flanges attached to tube lattice placed between them. Each shell has shape of section of cylinder with cross-section in the form of segment or semicircle having diameter not less than diameter of enclosure of heat exchange section. Partitions in cross-section may have stepped form with wider section adjoining lattice. Heat exchanger can have hinges that decrease labor input during repair or cleaning of heat exchange pipes. This heat exchanger can be assembled from unified members. EFFECT: reduced expenditures for manufacture, erection and operation . 3 cl, 3 dwg