连续热浸镀锌钢板生产线.doc

Technology specification of Hot-dip galvanizing line 连续热浸镀锌钢板生产线技术规格书 A. Foreword 前言 To design and manufacture one 280 thousand MT per year hot-dip galvanizing line. The project adopts general contracting type. For coordinating the engineering work and clearing up the responsibility scope of the seller and the buyer, both parties draw out the following technology annex. 设计制造二十八万吨/年连续热浸镀锌钢板生产线一条。项目采用总承包方式交付使用。为协调工作，明确责任，双方共同拟订合同附件如下： B. Design basis 设计依据 Raw material cold rolled carbon structure steel, high quality carbon structure steel and low alloy steel coil （The profile of the raw material should confirm to the attached Enterprise technology criterion JX01-2007）Steel type 08AL、SPCC、SPCD 、SPCE 钢种 Production capacity: 280 thousand MT/year, including CQ grade 89.3%, DQ grade 10.7% 生产纲领 28万吨/年 其中CQ级89.3%，DQ级10.7% Working system and effective working time 工作制度及有效作业时间 Annual time: 8760h 年日历时间 8760h Annual heavy maintenance time: 720h (30×24h) 年大修时间 720h(30×24h) Annual fixed maintenance time: 480h (4times×5days×24h) 年定修时间 480h(4次×5天×24h) Annual rated working time: 7560h(8760-720-480) 年额定作业时间7560h (8760-720-480) Stopping time: 396h 停车时间 396h Annual effective working time: 7164h (calculation according to product percentage) 年有效作业时间7164h（按产品大纲计算） Work rate 94.76% 作业率 Raw material: 原料 Weight Max25000Kg/coil 重量 Outside diameter φ800-2100mm 外径 Inside diameter φ508/610mm 内径 Oil content Max1800 mg/m2(double sides) 含油量 Max1800 mg/m2(双面) Finished product: 成品 Weight: Max25000Kg/Coil 重量 Outside diameter φ800-1500mm 外径 Inside diameter φ508/610mm 内径 Oil coating: Max. 800mg/m2 (double sides) 涂油量： Max. 800mg/m2(双面) Strip thickness: 0.25-2.0mm 钢板厚度 Strip width: 800-1250mm 钢板宽度 Energy sources water, electricity, ste