| 摘要 |
FIELD: central and local heating systems. SUBSTANCE: heating appliance consists of horizontal heat-exchange tubes and fins made in form of zigzag band panel rigidly fastened with horizontal tubes in area where they are in contact with projections of panel and chute-shaped plates with beads located along horizontal tubes and rigidly fastened (at area of beads) with projections of panel on one side and with surfaces of tubes on other side. Fins of horizontal tubes may be provided on diametrically opposite sides. Heating appliance may be provided with detachable casing, air escape grid and manually-operated air valve. Proposed appliance may be additionally provided with fins in form of zigzag band panel received by chute-shaped plates and rigidly secured on vertical section of inter-tube space. Heating appliance may be made in electrical version; to this end, electric heating elements are placed inside horizontal tubes and side sections of tubes and fins are enclosed in casing. EFFECT: reduced consumption of tubes and labour; improved technical parameter. 5 cl, 6 dwgf
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