Multifunctional combined reversing device used for heating furnace

The utility model relates to a multifunctional combined reversing device used for a heating furnace, belonging to a reversing device. The multifunctional combined reversing device comprises an air reversing device and a gas reversing device, wherein the air reversing device is formed by connecting f...

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Bibliographische Detailangaben
Hauptverfasser:	PAN KELIANG, QI YUANCHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING KILNS LIGHTING MECHANICAL ENGINEERING OVENS RETORTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to a multifunctional combined reversing device used for a heating furnace, belonging to a reversing device. The multifunctional combined reversing device comprises an air reversing device and a gas reversing device, wherein the air reversing device is formed by connecting four air reversing valves; the first air reversing valve is communicated with an air inlet; the fourth air reversing valve is communicated with a smoke discharge outlet; a reversing clearance air short circuit switch valve is also connected in parallel between the second air reversing valve and the third air reversing valve; the gas reversing device is formed by four gas reversing valves; a nitrogen inlet is arranged between a pipeline used for connecting the first gas reversing valve and the fourth gas reversing valve and a pipeline used for connecting the second gas reversing valve and the third gas reversing valve; and a reversing clearance nitrogen purging switch valve is respectively arranged at two sides of th