Heating and ventilation pipe heat preservation device for heating and ventilation engineering

The utility model relates to the technical field of heating and ventilation pipes, in particular to a heating and ventilation pipe heat preservation device for heating and ventilation engineering, which comprises a first heat preservation pipe and a second heat preservation pipe, heating and ventila...

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Bibliographische Detailangaben
Hauptverfasser:	LIN FENGZHI, LONG YINGSHENG, HUANG JIANDONG, HUANG QIRONG, ZHANG ZIWEI, TANG YUEBING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to the technical field of heating and ventilation pipes, in particular to a heating and ventilation pipe heat preservation device for heating and ventilation engineering, which comprises a first heat preservation pipe and a second heat preservation pipe, heating and ventilation pipes are arranged in the first heat preservation pipe and the second heat preservation pipe, and heat preservation layers are arranged between the first heat preservation pipe and the heating and ventilation pipes and between the second heat preservation pipe and the heating and ventilation pipes. One end of the first heat preservation pipe and one end of the second heat preservation pipe are each provided with a butt joint groove, the other end of the first heat preservation pipe and the other end of the second heat preservation pipe are each provided with a butt joint block, and flange heads are arranged on the peripheries of the two ends of the first heat preservation pipe and the peripheries of the two en