课题80kt/a普通硫铁矿制酸装置干吸系统及二吸塔设备计算摘要本文对干燥塔和一吸塔循环槽合一、干燥塔和二吸塔循环槽合一、干燥塔和吸收塔循环酸完全混合及三塔三槽流程工艺进行了阐述，显示了三塔三槽流程的优越性。对普通硫铁矿制酸工段全流程进行物料衡算。通过本课题的设计了解硫酸工业的发展历程和国内外的研究现状，熟悉普通硫铁矿制酸工艺流程、技术设备等。通过对普通硫铁矿制酸工艺流程的物料衡算和能量衡算及干燥塔的设计与选型掌握普通硫铁矿制酸工业生产中各塔的作用、进出料情况及相关参数的计算。最后绘制出工艺流程图、带控制点的物料流程图、设备图和设备布置图。关键词:普通硫铁矿制酸;三塔三槽;ABSTRACTThispaperdryingandabsorptiontowercombinationofcircularGroove,dryingandabsorptiontowersTowerIandIIcircularGroove,dryingandabsorptiontowercirculatingacidmixedandexplainsthethreetowerstripleprocesstechnology,showsthesuperiorityofthethreetowerstripleprocesses.Forordinarymaterialbalancepyrite-roastingsulphuricacidworkshopsectionprocess.Throughthedesignunderstandingofthisissueofsulfuricacidindustrydevelopmentandresearchstatusofdomesticandforeign,familiarwithGeneralpyriteacid-makingprocess,technicalequipment,etc.ByordinarypyriteacidproductionprocessandmaterialbalanceandenergybalanceofdesignandselectionofdryingTowermasteringGeneralpyriteacid-makingindustryintheproductionfunction,feedingofthetowerandcalculationofrelevantparameters.Lastdrawaprocessflowdiagram,withamaterialflowdiagramofcontrolpoints,devices,andequipmentlayoutdiagrams.Keyword：Ordinarypyriteinacid;Threeslotthreetowers;目录摘要PAGEREF_Toc327608937\hIABSTRACTPAGEREF_Toc327608938\hII前言PAGEREF_Toc327608939\h1TOC\o"1-3"\h\u结论.........................................................................................................................................72致谢...........................................................................................................................................73参考文献................................................................................................................................74前言我国是一个农业大国，随着农业政策的进一步加强，磷复肥的需求量不断增加。硫酸作为磷复肥生产的基本原料，其需求量也将不断增加。近年来，我国硫酸工业发展较快。硫铁矿是我国的自有资源，发展硫铁矿制酸对稳定我国的硫酸工业具有不可替代的作用。因此研究硫铁矿制酸中炉气的制备、净化及干燥过程十分必