对与己内酰胺配套的硫酸装置技术方案的思考

Consideration of solution for caprolactam production associated with sulphuric acid equipment

介绍了与己内酰胺配套的硫酸装置技术方案的选择。在制酸原料、过滤流程、发烟硫酸储罐、风机驱动、低温余热回收、尾气脱硫等方面,建议根据企业实际情况有针对性的进行合理选择。配套己内酰胺的硫酸装置对设备稳定运行要求较高,装置开工率应达99%以上,多产游离SO3质量分数20%发烟硫酸。

The selection of technology program for caprolactam associated with sulphuric acid plant is described. On the terms of raw materials for sulphuric acid,filtration processes,fuming sulphuric acid tank,fan-driven,low-temperature waste heat recovery,tail gas desulphurization,etc.,suggestions based on the actual situation of enterprises are proposed. Sulphuric acid plant associated with caprolactam has high demanding for stable operation of equipment. Plant operating rate reached 99% or more,more sulphuric acid with20% of free sulphur trioxide mass fraction more produced.