摘要
通过分析活性炭制备的传统节能工艺,从减小活性炭的制备成本出发,在原有的工艺基础上进行改进,提出一种新型的活性炭制备节能工艺。采用热量分析和分析法,对传统工艺和新工艺进行了模拟计算,考察了循环烟道气的流量、温度,炭化炉进气温度对新工艺效率的影响。结果表明,随着循环烟道气流量的增加,新工艺的效率先增大后保持不变;随着循环烟道气温度和炭化炉进气温度升高,新工艺的效率均先增大后降低。经模拟计算,传统节能工艺的效率为33.66%,而新节能工艺的效率为58.30%。传统工艺路线需向系统提供额外的热量,以保证产量,新工艺路线则只需在首次开车时向系统通入一定热量,后续生产阶段所需的热能完全由原料提供。
By analyzing the traditional prepared process of activated carbon, in the view of reducing the cost of preparation of activated carbon, a new energy-saving prepared process on the basis of traditional process was proposed. Thermal analysis and exergy analysis method were taken to the simulation of traditional process and new procedure, the influence of flow, temperature of cycle flue gas, the temperature of gas imported to carbonization furnace on the exergy efficiency were inspected. Results showed that with the circulation of recyclable flue gas increased, the exergy efficiency of new technology increased first and then remained at a certain level;as the temperature of recyclable flue gas rose, new process exergy efficiency first increased and then decreased. Meanwhile, new process exergy efficiency first increased and then unchanged with the rose of coking furnace temperature. Through simulation, the traditional craft and new technology exergy efficiency were 33.66% and 58.30% , respectively. The traditional process routes were required to provide additional heat in order to ensure the production. On the other hand, new process routes is only the first device operation, which leads to certain heat, heat of subsequent stages required was provided completely by raw materials.
出处
《应用化工》
CAS
CSCD
2012年第8期1473-1476,共4页
Applied Chemical Industry
基金
中石化基金资助项目(G2502-10-2S-0244)
关键词
活性炭
制备工艺
节能
女用效率
activated carbon
prepared process
energy-saving
exergy efficiency
