Inspection hole for boiler

The utility model relates to an inspection hole for a boiler, which mainly solves the problems that an air door of a boiler can not be adjusted correctly in inspection, the safe operation of a coal economizer is inspected inconveniently and the inspection on a blocked ash accommodating pipe is not s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HUIFU,YANG HUANG
Format:	Patent
Sprache:	eng
Schlagworte:	AIR SUPPLY 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 DRAUGHT-INDUCING HEATING LIGHTING MECHANICAL ENGINEERING SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTIONAPPARATUS SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to an inspection hole for a boiler, which mainly solves the problems that an air door of a boiler can not be adjusted correctly in inspection, the safe operation of a coal economizer is inspected inconveniently and the inspection on a blocked ash accommodating pipe is not smooth. The utility model is characterized in that a secondary air duct (6) is provided with an inspection hole (2) which is connected with a hole cover (1). The inspection hole for the boiler has the advantages of simple use and convenient operation, and can be adjusted accurately in the inspection of the air door, inspected conveniently on the safe operation and maintained smoothly.