Method for decreasing occurrence rate of transverse cracks of boiler water walls

• Main Authors: QI YONGFENG, CHEN JIE, MENG DIANWU, LIU WEI, WANG QI, SHANG ZHIJIN, LIU JINFENG, SUN JIE, LIU QINGSONG, SHI YIWEN
• Format: Patent
• Language: Chinese; English
• Published: 22.02.2017
• Subjects: 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

The invention relates to a method for decreasing the occurrence rate of transverse cracks of boiler water walls. The method comprises the following steps, from wall temperature monitoring to hole expanding, that when a boiler and the water walls operate, the temperatures of the water walls on the fo...