WATER PIPE PROTECTING REFRACTORY STRUCTURE

A boiler water pipe protecting refractory structure comprising a refractory interposed between a boiler water pipe and a combustion gas is provided as a refractory structure capable of reducing thermal stress without increasing the wall thickness of refractory blocks, and improving the durability of...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAGAWA, YUJI, TERASHIMA,Y, INOUE, KEITA, KAWAHARA, YUZO, GOTO, CHUHACHI, ORITA, NORIHIKO, TAKAISHI, TAKEO, TAKAHASHI, TETSUO, IKE, MINORU
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FORCOMBUSTION CHAMBERS, e.g. FIREBRIDGES COMBUSTION APPARATUS COMBUSTION PROCESSES DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDEDFOR DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS INCOMBUSTION CHAMBERS HEATING LIGHTING MECHANICAL ENGINEERING METHODS OF STEAM GENERATION SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTIONAPPARATUS STEAM BOILERS STEAM GENERATION WEAPONS
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Beschreibung
Zusammenfassung:	A boiler water pipe protecting refractory structure comprising a refractory interposed between a boiler water pipe and a combustion gas is provided as a refractory structure capable of reducing thermal stress without increasing the wall thickness of refractory blocks, and improving the durability of mounting members by preventing the occurrence of high-temperature corrosion thereof, and having a high heat transfer efficiency. The characteristics of this structure reside in that the structure is provided with a refractory block (16) which has an arcuate portion (16a) and a connecting portion (16b) engaged at inner circumferences thereof with the boiler water pipe (11), and a locking recess (17, 58, 68) and locking projection (18, 59, 69) formed on the boiler water pipe (11) respectively as fixing means for detachably engaging the refractory block and boiler water pipe with each other.