COMBUSTION MONITORING APPARATUS FOR COMBUSTION FURNACE

• Main Authors: TAKAHASHI YASUMASA, FUJIMURA HITOSHI, KONAKA KATSUMI, ENOMOTO HIROYASU, OUCHI TETSUO, ARASAWA TOMOHIRO, IKESHOJI SUSUMU
• Format: Patent
• Language: English
• Published: 24.12.1999
• Edition: 6
• Subjects: BLASTING; CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FORCOMBUSTION CHAMBERS, e.g. FIREBRIDGES; COMBUSTION APPARATUS; COMBUSTION PROCESSES; CONSUMING WASTE PRODUCTS BY COMBUSTION; CREMATION FURNACES; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDEDFOR; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS INCOMBUSTION CHAMBERS; HEATING; LIGHTING; MECHANICAL ENGINEERING; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTIONAPPARATUS; WEAPONS

PROBLEM TO BE SOLVED: To enhance and stabilize a sensing performance of a photosensor by reducing an influence of an excess light quantity or heat quantity from a combustion furnace, and preventing a surface contamination of a heat resistant glass. SOLUTION: The combustion monitoring apparatus 1 for an incinerator 84 having a heat resistant glass 35 for transmitting an incident light L from the incinerator 84 and a photosensor 5 for sending the light L, thereby passing a purged air (a) to the furnace inside of the glass 35, comprises a slit plate 38 having smaller passage holes 39 than a light receiving surface of the photosensor 5 at the furnace inside of the photosensor 5 to limit the light quantity or heat quantity of the light L. In this case, the photosensor 5 is disposed so that an optical axis of the light L becomes horizontal or downward from a horizon, and is provided to be openable or closable for the glass 35.