Blast furnace gas heater

• Main Authors: SUN DANNA, SUN XIANG, DING JIAMIN, DING ZHONGLIANG, XU XINMIN, LIU YALONG, DONG XINZE, TAO XINJIANG, ZHANG DAYI, DING CHAO
• Format: Patent
• Language: Chinese; English
• Published: 13.01.2023
• Subjects: BLASTING; BURNERS; COMBUSTION APPARATUS; COMBUSTION PROCESSES; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; HEAT EXCHANGE IN GENERAL; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The utility model discloses a blast furnace gas heater which comprises a plurality of heating units, each heating unit comprises a wide flow channel and narrow flow channels arranged on the left side and the right side of the wide flow channel, the front side and the rear side of each wide flow channel are provided with openings, the upper side and the lower side of each narrow flow channel are provided with openings, and a plurality of triangular-prism-shaped flow guide blocks are evenly distributed in the wide flow channels in the gas flowing direction. A plurality of flow guide pipes are arranged on the left side and the right side of the flow guide block correspondingly and evenly distributed in the vertical direction, and the outlet sides of the flow guide pipes are close to the inner walls of the left side and the right side of the wide runner. Most of blast furnace gas in the middle layer in the wide runner can be effectively guided to the left side wall and the right side wall of the wide runner throu