基于ANSYS的蓄热式熔铅炉供气管道升压过程仿真分析  

Numerical Simulation for Regenerative Lead Melting Furnace Gas Supply Pipeline System Pressure Rising Process Based on ANSYS

作　　者：王沛 WANG Pei

机构地区：[1]中海石油气电集团有限责任公司,北京100028

出　　处：《有色设备》2023年第3期25-30,共6页Nonferrous Metallurgical Equipment

摘　　要：熔铅炉是铅冶炼工艺中普遍使用的设备,能耗大、排放高。蓄热式熔铅炉通过回收利用烟气热量降低能耗,且使用能量高、碳排低、燃效好的天然气作为能源,节能减排效果明显,在近年来得到了广泛应用。由于天然气从输气干线输送至冶金企业需要经过多次调压计量,因此天然气站场和燃气调压站的安全运行是保证下游铅冶炼平稳生产的前提。针对蓄热式铅熔炼炉供气管道及设备投产升压调试过程,提出了基于三维流体仿真的分析方法,模拟了5.1 MPa干线天然气向初始压力2.0 MPa的半封闭管段充压的过程,得到全管段瞬时压力三维分布云图,以达到从理论上排查隐患的目的,同时对供气管道与设备的设计和布局优化有一定借鉴和参考作用。The lead melting furnace is commonly used in lead smelting process with a high energy de-mand and carbon emission.The regenerative lead melting furnace is widely used in recent years,which uses flue gas heat recovery to reduce energy consumption,and also uses the natural gas as energy which has advantages such as high heat-value,low carbon emissions,high combustion effect.From the natural gas trunk line to the down-stream metallurgical factories,the pressure of natural gas must be dropped down to adjust to the need of down-stream factories.So it is important to keep the up-stream natural gas stations and gas pressure regulating stations operating safely to ensure the down-stream lead smelting in the normal status.The 3D fluid simulation is an effective analysis method for the regenerative lead melt-ing furnace gas supply pipeline system pressure rising operation of the gas station.With a numerical sim-ulation of the semi-enclosed pipeline system pressure rising from 2.0 MPa to 5.1 MPa,the transient 3D pressure contours can be generated,which is used to analyze safety weakness theoretically.Also the sim-ulation conclusions is useful for the design and layout of the pipelines and facilities of the natural gas sta-tions.

关 键 词：蓄热式熔铅炉 天然气 管道 升压过程 流体仿真 数值模拟 

分 类 号：TQ16[化学工程—高温制品工业]