摘要
推进碳达峰与碳中和对工业制造业提出了新的要求,制造业节能减排技术创新已势在必行。中一精锻有限公司加工工艺中原酸洗溶液加热方式为电热管加热,本研究构建了利用余热的酸洗加热系统替代电热管加热,每日可节约电量1294.2kWh,折合标准煤159.06kg,促进了企业的可持续发展。节约能源的同时,还使酸洗槽内溶液处于流动状态提高了酸洗效率,避免了金属的局部腐蚀。通过COMSOL对不同入口温度下酸洗槽内的温度场进行瞬态仿真分析,并用迭代法降低仿真误差,得到不同入口温度下酸洗溶液温度随时间变化的线图,确定了合适的入口温度,为后续进行换热器选型等利用余热的酸洗系统构建工作提供理论基础。
To promote carbon peak and carbon neutralization and put forward new requirements for industrial manufacturing,energy-saving and emission reduction technology innovation in manufacturing is imperative.In the process of Zhongjingforging Co.,Ltd.,the heating mode of original acid pickling solution is heating the electric heat pipe.In this study,the acid pickling heating system utilizing residual heat instead of heating the electric heat pipe is constructed,which can save 1294.2kWh of electricity per day and 159.06kg of standard coal,thus promoting the sustainable development of the enterprise.While saving energy,the solution in the pickling tank is in flow state,which improves the pickling efficiency and avoids local corrosion of metals.Through COMSOL,the temperature field in acid pickling tank at different inlet temperatures is analyzed by transient simulation,and simulation error is reduced by iteration method.Line diagrams of acid pickling solution temperature with time at different inlet temperatures are obtained.Suitable inlet temperature is determined,which provides theoretical basis for subsequent construction of acid pickling system utilizing residual heat such as heat exchanger selection.
作者
陈浩宇
陈辉
陈尚辉
商丽
贾维维
CHEN Hao-Yu;CHEN Hui;CHEN Shang-Hui;SHANG Li;JIA Wei-Wei(School of Mechanical Engineering,Shenyang Jianzhu University,Shenyang 110168,China;School of Mechanical Engineering,Shenyang Urban Construction University,Shenyang 110167,China)
出处
《机电产品开发与创新》
2023年第2期12-16,共5页
Development & Innovation of Machinery & Electrical Products
基金
辽宁省兴辽英才支持计划项目(XLYC1807065)。
关键词
酸洗
PV/T系统
余热回收
COMSOL
节能
Pickling
Photovoltaic photothermal system
Waste heat recovery
COMSOL
Energy conservation
