中温盐浴炉的设计

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攀枝花学院本科毕业设计（论文）

中温盐浴炉的设计

学生姓名： 学生学号： 院（系）： 材料工程学院 年级专业： 2010级材料成型及控制工程 指导教师：

助理指导教师：

二〇一四年五月

攀枝花学院本科毕业设计（论文） 摘要

摘 要

盐浴炉是一种重要的热处理设备。本设计综合插入式和埋入式电极盐浴炉的优缺点，设计中温盐浴炉。该盐浴炉用单相电极。电极被分布在坩埚两侧，电极的长、宽、高为650mm、65mm、113mm。坩埚的长、宽、高分别为650mm、515mm、450mm。盐浴炉的功率为41kw。排气装置采用单侧抽风，排气装置的抽风口的长、宽确定为273mm、91mm。

该盐浴炉结构简单，节电作用比较明显，和炉膛的利用率高。坩埚与炉子砌层间留约20mm的间隙，以便更换坩埚。

关键词 盐浴炉，热处理，坩埚，电极

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攀枝花学院本科毕业设计（论文） ABSTRACT

ABSTRACT

The salt bath furnace is one of the important equipment for heat treatment. This design integrated into type and buried type electrode salt bath furnace, the advantages and disadvantages of Medium temperature salt bath furnace in the design. The salt bat -h furnace adopts single phase electrode. Electrode is distributed on both sides of cru -cible, and electrode of length, width and height is 650 mm, 65 mm and 113mm. Leng -th, width and height of the crucible is 650 mm, 515 mm and 450 mm. Air exhausting device adopts unilateral convulsions, and the exhaust port of length, width is 273 mm and 91 mm.

The salt bath furnace has simple structure, power saving effect is obvious, and the chamber of a stove or furnace utilization rate is high. Crucible and build by laying bricks or stones left about 20 mm space between the layers, in order to replace the crucible.

Key words Salt bath furnace，heat treatment，crucible， electrode

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攀枝花学院本科毕业设计（论文） 目录

目 录

摘 要 ..............................................................................................................................I ABSTRACT.....................................................................................................................II

1 绪论 ............................................................................................................................. 1

1.1盐浴炉的发展概况 ............................................................................................... 1 1.2盐浴炉分类 .......................................................................................................... 1

1.2.1插入式盐浴炉............................................................................................. 2 1.2.2埋入式盐浴炉............................................................................................. 2 1.3盐浴炉的应用 ...................................................................................................... 3 1.4本课题研究的目的及意义..................................................................................... 3 2 盐浴炉的设计 ............................................................................................................... 4

2.1盐浴炉设计的基本步骤 ........................................................................................ 4 2.2炉型选择 ............................................................................................................. 4 2.3坩埚的尺寸确定 ................................................................................................... 5

2.3.1坩埚尺寸确定的方法 .................................................................................. 5 2.3.2根据生产率要求确定坩埚的尺寸................................................................. 5 2.4炉体结构的设计 ................................................................................................... 8

2.4.1炉体的基本组成 ......................................................................................... 8 2.4.2炉体材料的选择和结构设计........................................................................ 8 2.5盐浴炉功率的确定 ............................................................................................... 9

2.5.1盐浴炉功率的计算方法............................................................................... 9 2.5.2热平衡法计算盐浴炉功率 ........................................................................... 9 2.5.3热效率法计算盐浴炉功率 ......................................................................... 10 2.5.4坩埚容积法计算盐浴炉功率.......................................................................11 2.6电极材料选择和电极设计................................................................................... 12

2.6.1电极材料的确定 ....................................................................................... 12 2.6.2电极的参数确定及功率核算...................................................................... 12 2.7变压器的选择 .................................................................................................... 14 2.8抽风装置设计 .................................................................................................... 14 2.9电极盐浴炉的起动电阻 ...................................................................................... 17 3盐浴炉设计的计算 ....................................................................................................... 19

3.1坩埚尺寸计算 .................................................................................................... 19

攀枝花学院本科毕业设计（论文） 目录

3.2盐浴炉功率和电极的计算................................................................................... 19 3.3排气装置的计算 ................................................................................................. 20 3.4启动电阻的计算 ................................................................................................. 20 4盐浴炉的基本结构图 ................................................................................................... 22 结论............................................................................................................................... 24 参考文献........................................................................................................................ 25 致 谢 ............................................................................................................................. 26

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