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结晶器是连铸机的关键部件,我厂研制的LZ-16小方坯连铸机结晶器为轮瓦式,由图1所示的12块弧形件组成φ3200mm的轮体。每块弧形件重约40kg,主体由3个规格为65×35×10mm的T3紫铜管压制为837.2mm弧形后组焊而成。进出水口由H62黄铜倒锥细扣丝座焊在底弧扁管上;3个扁管两端焊6个T3紫铜堵头(40×15×10mm);4个T3连通管(φ15×2mm)焊在两侧弧扁管和底弧扁管上。要求焊后几何尺寸符合图纸要求,水压试验(0.5MPa)10min不泄漏,机械加工后组装为轮体,使用状态下的结晶器通水,水速为6m/s。
The mold is the key part of continuous casting machine. The mold of LZ-16 billet continuous casting machine developed by our factory is of the wheel and tile type. The 12 arcs shown in Fig. 1 form a φ3200mm wheel body. Each arc weighs about 40kg, the main body by the three specifications for the 65 × 35 × 10mm T3 copper tube pressed into 837.2mm arc after welding. Inlet and outlet from the H62 brass inverted taper wire seat welded to the bottom of the arc tube; three flat tube welded at both ends of 6 T3 copper plug (40 × 15 × 10mm); 4 T3 connected pipe (φ15 × 2mm ) Welded on both sides of the arc flat tube and the bottom of the arc tube. Requirements after welding geometric size in line with the requirements of the drawings, hydraulic test (0.5MPa) 10min does not leak, after machining assembly for the wheel body, under the state of water flow through the mold, the water velocity of 6m / s.