FLUEDUCT HAVING INCREASED HEAT-EXCHANGING SURFACING

The flueduct can be used residentially and in the greenhouseindustry, in particular in coal- or liquid fuel-firing air heatingplants. It has simplified design with well developed and increasedheat-exchanging surface which guarantees maximum utilization ofthe natural air recirculation in closed heate...

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Bibliographische Detailangaben
1. Verfasser:	MITEV, RADENKO L
Format:	Patent
Sprache:	bul ; eng
Schlagworte:	BLASTING DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING OTHER DOMESTIC STOVES OR RANGES RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The flueduct can be used residentially and in the greenhouseindustry, in particular in coal- or liquid fuel-firing air heatingplants. It has simplified design with well developed and increasedheat-exchanging surface which guarantees maximum utilization ofthe natural air recirculation in closed heated premises. Theflueduct consists of a basic cylindrical duct (1) to which ahollow cylindrical body (2) is coaxially inserted along itslength, made of steel plate, corrugated in advance in such a waythat longitudinal ribs (3) of trapeze-like profile are formed incross section. The overhead dimensions of the hollow body (D2) andthe basic duct (D1) are in ratio from 1.5 - 2.5.2 claims, 1 figure