冶金毕业设计

河北理工大学轻工学院

COLLEGE OF LIGHT INDUSTRY, HEBEIPOLYTECHNICUNIVERSITY

毕业设计说明书

设计题目：设计一座年产190炼钢生铁的高炉车间

学生姓名：张晨旭

学号：2

专业班级：06冶金1班

学部：材料化工部

指导教师：郝素菊

2010年5月28日

摘要

本设计是根据唐山地区条件设计的一个年产220万吨的高炉炼铁车间。整个车间的平面布置采用半岛式平面布置形式。

设计的高炉有效容积是1500m3。其中高炉的炉衬设计方法采用的是均衡炉衬的方法，根据不同的冶炼条件砌筑不同的砖。上部采用的砖型有高砖，下部采用的是全碳砖炉底。冷却方式：炉身部分采用板壁结合的方式炉腰部分采用凸台冷却壁；炉缸和炉底采用光面冷却壁和水冷炉底结构。

设计的热风炉采用传统改进型内燃式热风炉。蓄热式和燃烧室在同一炉壳内，中间用隔热墙隔开；采用眼睛型燃烧室。这部分同时包括热风炉各种设备和阀门的选取计算。

上料系统采用的皮带机连续上料，同时增加了皮带的速度和宽度，满足高炉冶炼的要求。炉顶装料设备采用串罐式无料钟炉顶装料。喷吹系统增加了煤的数量，采用了单管路串罐式直接喷吹。煤气处理设备采用的是湿法除尘设备。

所涉及的计算有高炉和热风炉尺寸的计算、高炉的物料平衡和热平衡计算以及热风炉风机的选择等。

关键词：高炉；热风炉；湿法除尘；风机；无钟炉顶

Abstract

A blast furnace plant of 3.05 million tons product annual was desigened in the in the paper according to Tangshan area condition. The horizontal layout of the whole plant is peninsula type layout.

The dischargeable capacity of the BF in this design is 2200m3.among it, the BF lining adopted equalization lining method and was made of alumina brick and chayote in upper of BF and all carbon brick in the bottom of BF.The cooling methods werebatten wall style in shaft, boss-cooling stave in bosh, smooth cooling stave in hearth and water-cooling stave in bottom of hearth.

The air-stove was modified tradition style of internal combustion. The checker chamber and combustion chamber were in the same furnace shell and divided by heat insulation wall. And the combustion chamber was eye-style. Furthermore this part of the paper included the selection of various equipments and valves.

The charging equipment used the belt machine to continuing supplying charge and the belt velocity and width were increased in order to meet the BF melting needs. The

furnace roof equipment used string pot style of non-bell furnace roof. Injection system increased amount of coal and use single valve line sting pot direct injection. The gas treating system used hydro filter equipment.

The computes in the paper have size of BF and air-stave, charge balance, heat balance and fan of air-stave choice, etc.

Key word: blast furnace, air-stove, hydro filter, fan, non-bell furnace roof

目录

摘要I

AbstractII

第一部分设计说明书2

引言2

1 绪论4

1.1 概述4

1.2 高炉生产主要经济技术指标4

1.3 高炉冶炼现状及其发展6

1.4 本设计采用的新技术7

2 高炉车间设计8

2.1 厂址的选择8

2.2 高炉炼铁车间平面布置应遵循的原则10

2.3 车间平面布置形式10

3 高炉本体设计11

3.1 高炉数目及总容积的确定11

3.2 炉型设计12

3.3 参数14

3.4 炉衬设计及高炉基础14

3.4.1 高炉炉基的形状及材质14

3.4.2高炉炉底和各段炉衬的选择、设计和砌筑16