First with 2,3 waterwall order to weld steel plates, and finally a welding sequence; pre-weld heat concrete filling, according to a predetermined formula which the furnace wall drawings and specification
Sequence 2,3 steel plate first with water-cooled wall welding, sequence 1 final welding, pre-welding fill heat-resistant concrete, the formula according to the furnace wall drawings and instructions
Steel plates No. 2 and No. 3 shall be welded with the water wall first, and No. 1 shall be welded last; heat resistant concrete shall be filled before welding, and its formula shall be in accordance with the requirements of the furnace wall drawings and instructions