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1、1 铝合金制品的表面处理第一章概 述一、铝及铝合金表面处理的目的：（主要指阳极氧化）1、防腐蚀天然氧化膜薄，阳极氧化膜厚10m 漆膜耐磨、耐蚀、耐光、耐候2、防护 装饰形成微孔人工氧化膜后，可染成各种颜色和图案。3、功能作用绝缘性 100m 微孔渗渍硫化钼润滑剂摩擦系数电沉积磁性金属磁性录音盘、记忆元件等等。二、铝及其合金表面处理的分类机械法、化学法、电化学法、阳极化膜后处理（见后面附录）三、铝型材表面处理产品种类目前市场上常见的有：1）阳极氧化（银白、砂白料）2）阳极氧化+电解着色（浅古铜、古铜、黑色等）3）电泳涂漆4）静电喷漆、氟碳喷漆5）静电粉末喷涂2 四、铝及铝合金表面处理工艺流程1、
2、建筑铝型材阳极氧化处理和喷涂工艺流程：电泳固化成膜脱脂碱蚀中和出光阳极氧化（DC 法）电解着色（AC 法）封孔脱脂酸洗化学转化静电喷涂固化成膜2、通用工业用铝合金部件（机械部件、电器部件等）阳极氧化处理工艺流程：草酸法脱脂酸洗中和出光阳极氧化硫酸法（染色）封孔硬质阳极氧化法3、装饰用铝合金部件（汽车装饰部件、照相机部件等）阳极氧化处理工艺流程：机械喷砂染色印刷（人工修整振动抛光）脱脂化学炮光阳极氧化（硫酸法）封孔电化学抛光第二章 铝材阳极氧化前的处理铝合金建筑型材生产工艺流程：铝材装架 脱脂 水洗 碱蚀 水洗（二道）中和（出光）水洗 阳极氧化（DC 法）水洗 封孔水洗着色（AC 法）水洗水洗卸
3、架文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6
4、A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A
5、6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E1
6、0J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9
7、G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C
8、3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8
9、E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J2文档编码:CD5G9G6A5Y7 HJ1O3C3A6X7 ZX8J6Q8E10J23 第一节装 架一、方式：横吊式、竖吊式纵吊式特点：1、适合大批量生产：每批可装载大量铝材2、减少装卸工人：减轻了装卸时的劳动力3、降低生产成本：溶液带出量少，减少化学品消耗量，夹具不浸入处理液中，减少夹具消耗量。4、减少用水量：带出水量减少，耗水量及废水处理量
10、减少。适于生产能力在600吨/月以上。目前，一般采用横吊式为多。二、注意事项：（横吊式）1）铝材要有一定倾角（3o 5o）便于氧化时气泡逸出。2）扎料要紧，导电杆脱模要干净保证导电良好。3）每根料之间间距应保证防止色差。4）避免不同型号、长度的料扎在一起着色防止色差。5）每次上料面积要一定，最好是对极面积的80%，最大 100%。第二节脱脂处理一、目的：除去制品表面的工艺润滑油、防锈油及其他污物，以保证在碱洗工序中，制品表面腐蚀均匀和碱洗槽的清洁，从面提高氧化制品质量。文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10
11、HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10
12、M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编
13、码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F
14、1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6
15、ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N
16、7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4
17、F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R34 二、油脂种类：动物油、植物油属皂化油，可与苛性碱发生皂化反应矿物油属非皂化油，不与苛性碱发生皂化反
18、应锯切液三、脱脂方法与原理1）有机溶剂：酒精、煤油、汽油、丙酮、甲苯、三氯乙烯、四氯化碳等。利用溶剂对油污很强的溶解能力将油除去。对Al 基体无腐蚀性。2）表面活性剂：合成洗涤剂、金属清洗剂等。利用有效成份对油污的优良的皂化、乳化、分散、渗透能力将油污除去，对铝基体无腐蚀作用。3）碱性溶液：NaoH+添加剂（乳化剂）利用溶液中的某些碱性物质与油污发生皂化或乳化作用来达到除油污之目的。皂化作用除去动、植物油乳化作用除去矿物油皂化反应：C3H5（C17H35COO）3 3NaOH 3C17H35COONa3C3H5（OH）3 硬脂酸苛性钠肥皂甘油乳化作用：略成份及其作用：NaOH：皂化反应，除油作
19、用。文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ1
20、0N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4
21、F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10
22、 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L1
23、0M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档
24、编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10
25、F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6
26、 ZQ10N10F1N5R35 Na2CO3（碳酸钠）、Na3PO4（磷酸三钠）：缓冲剂，保持溶液PH1011。硅酸钠（水玻璃）：湿润剂、乳化剂、分散剂，不易水洗去掉4）酸性溶液H2SO4、HNO3等Al+H2SO4=Al2（SO4）3+H2利用 H2小泡包围油珠，离开铝表面层达到除油目的。5）电解脱脂即将制品放在碱性溶液中作为阴极而进行电解处理除去油污。四、脱脂工艺制度轻油级：1）H2SO4150 250g/l 常温 3 5 分钟2）HNO3150 200g/l 常温 2 3 分钟3）HNO3120 150g/l H2SO4120 80g/l 常温 2 5分钟重油级：1）Na3PO440 6
27、0g/l（弱碱性）NaOH 8 12g/l Na2SiO320 30g/l 50 602 3分钟2）Na3PO430g/l Na2CO320g/l 402 3 分钟3）金属清洗剂文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10
28、N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F
29、3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10
30、HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10
31、M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编
32、码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F
33、1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6
34、ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R36 20 30g/l 常温5 8 分钟（根据说明书要求）碱性除油工艺：NaOH 10 15g/l，添加剂20 30g/l，45 60，3 7分钟第三节碱 蚀一、目的：1）除去铝材表面的自然氧化膜，使金属基体暴露出来，活化表面，有利于氧化着色。2）整平基体表面，使其均匀一致。3）调整金属光泽。4）进一步除去铝材表面污物。二、方法：碱法、磷酸钠法、硫酸铬酸法等。一般采用强碱热溶液。三、碱蚀原理：碱蚀
35、过程主要有以下三步化学反应：Al2O3 2NaOH 2NaAlO2 H2O 2Al 2NaOH 2H2O 2NaAlO2 3H22NaAlO2 4H2O 2Al（OH）3 2NaOH Al2O33H2O 第一步反应是除去铝材表面的天然氧化膜；第二步是铝基体与碱反应，起整平表面的作用；第三步是前二步反应所生成的偏铝酸钠不断水解，生成胶状的氢文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5
36、R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ1
37、0N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4
38、F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10
39、 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L1
40、0M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档
41、编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10
42、F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R37 氧化铝和苛性钠，氢氧化铝进而脱水变成Al2O3硬水铝石。现在工业上普遍使用长寿命碱蚀添加剂。四、添加剂的作用：具有防止产生铝石、增光、整平、缓蚀等多种作用。特点：1）允许溶存 Al3+铝量达 100g/l（甚至 120g/l）以上，
43、而不会产生硬水铝石，即使偶有发生水解也不结块，易于清除。2）具有缓蚀整平功能，碱蚀效果更好。3）铝腐蚀率能保持在1 2%之间，减少铝溶蚀量及氢氧化钠消耗量。成份：一般有葡萄糖酸钠、酒石酸盐、柠檬酸盐、羧甲基纤维素等多元多组份的混合物。五、碱蚀工艺：NaOH：50 60 g/l，碱蚀添加剂：视说明书要求，温度：50 70时间：视工艺要求第四节中 和（出光）一、目的：中和残碱，防止污染氧化槽。洗去残留在表面的Cu、Fe、Zn、Si、Mn 等元素的氧化物（挂灰），光亮表面。二、方法：1）硝酸法：HNO3 150 250g/l，温度室温，时间：1 3 分钟为氧化性酸，出光效果较好，但成本高，易污染氧化
44、槽，烟雾大。文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6
45、 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6
46、N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X
47、4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:C
48、W1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5
49、R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ1
50、0N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4F3C6 ZQ10N10F1N5R3文档编码:CW1L10M9X4F10 HW6N7T4