asp个人博客系统高职.doc

一、不锈钢概述： .................................................................................4

1、不锈钢的定义 .............................................................................................................................4

2、不锈钢的耐蚀性： .....................................................................................................................4

3、不锈钢的分类 .............................................................................................................................5

3.1

合金元素对不锈钢组织的作用

.............................................................................................5

3.2

马氏体不锈钢

.........................................................................................................................7

3.3

铁素体不锈钢

.........................................................................................................................7

1.2

废钢及镍板

...........................................................................................................................10

2.辅原料 ..........................................................................................................................................11

2.1

石灰

2.2

萤石

2.3

轻烧白云石

...........................................................................................................................12

3 铁合金 ..........................................................................................................................................12

4、其它 ...........................................................................................................................................15

4.1

氧气

4.2

氮气

4.3

氩气

1、脱碳的热力学 ...........................................................................................................................16

2、脱碳的动力学条件 ...................................................................................................................17

3 工艺步骤及操作曲线： ..............................................................................................................20

3.1AOD

6、富铬渣的还原及影响因素 .......................................................................................................29

7.温度制度 ......................................................................................................................................30

8.供气制度 ......................................................................................................................................30

四、AOD 工艺模型：..........................................................................32

1、预计算模型： ...........................................................................................................................32

2、成分模型： ...............................................................................................................................32

3、热模型： ...................................................................................................................................33

4、合金化模型： ...........................................................................................................................33

5、复吹模型： ...............................................................................................................................33

6、溶池高度模型： .......................................................................................................................33

7、主要模型表： ...........................................................................................................................34

五、产品质量的控制 ...........................................................................35

1、硫含量的控制 ...........................................................................................................................35

六、工艺设备 .......................................................................................40

SL.1344 料槽： ..............................................................................................................................40

SL.21 AOD 本体 .............................................................................................................................40

SL.211

炉壳

.................................................................................................................................40

SL.212 AOD

炉吊挂系统

............................................................................................................42

SL.214

支撑轴承及

SL.215 AOD

炉倾动系统

............................................................................................................45

SL.217

............................................................................................................48

SL.22

...........................................................................................................................49

SL.221

顶吹设备

SL.2221 炉壳风口 ..........................................................................................................................54

SL.2226 AOD 炉、顶枪吹炼阀门站 .............................................................................................55

SL.2341 AOD 炉更换设备 .............................................................................................................57

SL.2349 AOD 炉炉壳提升横梁 .....................................................................................................59

SL.23451AOD 炉拆炉站................................................................................................................59

SL.2363VAI

温度连续测量系统

.................................................................................................61

SL.2421 浇铸钢包运输车 ..............................................................................................................62

SL.2521 AOD 渣车 .........................................................................................................................63

SL.2459- M1 扒渣机 .................................................................................................................64

SL.28AOD 炉狗窝..........................................................................................................................65

SL.241 浇铸钢包.............................................................................................................................65

SL.2422 钢包底吹阀站...................................................................................................................66

SE143 高位料仓..............................................................................................................................67

附表 1：AOD 主要工艺参数表.....................................................................................................69

附表 2：典型钢种主要消耗指标： ..............................................................................................75