煤基DRI生产线使用各种煤气作为燃料,并混合处理块状矿或粒子与固化还原代理物(antracite等)组成电荷整个稀释过程结合井炉物顶部和底部加热和隧道窑毛片加热的长处第一类中,预热减冷自动分离炉内闭合反应箱以获取高等级海绵铁,产品折合率可高达98%此外,生产线占用小片面积,整个过程机械化并持续生产,高输出质量、低耗能、低污染、广选燃料和原材料以及低运算成本生产线可完全匹配火药冶金过程和钢制作过程组成大规模生产能力
特殊Si3N4与SiC长效反应罐并用以保持长期持续稳定生产如果采取热防量措施,海绵铁也可以热装入炼钢炉,实现炼钢低能耗
性能参数直接稀释Furnace(参数可按用户实际情况调整)
号 |
名称 |
单元 |
Parameters and Description |
一号 |
Reduction furnace raw materials | 毫米 |
Oxidized pellets φ25-30 / lump ore 15~25 (Fe≥68%) |
2 |
Dimensions of reduction furnace | m |
Length (30~80) * Width (15~20) * Height (20~35) |
3 |
Reaction tank size (combination type) | 毫米 |
1500*460*（9000~13000） |
4 |
Reaction tank material | 西城3N级4combined with SiC | |
5 |
Restorative ability | t/y |
1-50000t/y 100000t/y 200000t/y |
6 |
temperature and pressure point | 个人电脑 |
computer monitoring |
7 |
reduction temperature | 摄氏度 |
1050~1150℃（Max 1200℃） |
8 |
fuel and calorific value | KJ/Nm3 |
Natural gas/coke oven gas, etc. Qd≥8000/3800*4.18KJ/Nm³ |
九九 |
Energy consumption | m3/h |
Design: natural gas/coke oven gas 24450/5140 (188/394/t) (domestic production: consumption of reduction coal per ton of DRI is 400~500Kg; heating natural gas consumption is designed to be 188Nm³/h, which is equivalent to 350KG of standard coal. below this value) |
10 |
燃料装置 | 特殊燃烧器 | |
11 |
Air preheating method and temperature | 摄氏度 |
KH type combined heat exchanger |
12 |
进进出出方式 | Continuous top in and bottom out | |
13 |
Main process equipment plant area | 平方公尺 |
约5000 (including raw material briquetting production line, excluding raw materials, product storage yard, etc.) |
14 |
The entire factory covers an area | 平方公尺 |
≥20000 (plant layout can be adjusted according to local actual conditions) |
邮报时间:Jul-202022