The groove of the small square plate shall be polished and welded with the furnace mouth panel. Pay attention to the firm welding. After welding, the outer edge shall be polished and leveled to avoid uneven installation of the furnace mouth guard plate.<br>
Grinding groove of small square plate shall be welded with furnace mouth panel, and attention shall be paid to the firm welding. After welding, the outer edge shall be polished flat to avoid uneven installation of furnace mouth guard plate.