大型重灰蒸汽回转干燥机系统的维修及改造

Maintenance and reform of the system of large steam dense soda calciner

近几年,全国纯碱市场轻质纯碱(轻灰)销售比较困难,下游行业纷纷扩大对重质纯碱(重灰)的需求,同时对重质纯碱的质量要求越来越高。针对这种情况,各大碱厂纷纷对其重灰系统进行扩建和改造,加大对重灰产量和质量提高的力度,以此提高对纯碱市场的占有率。在此,针对连云港城厂重灰蒸汽回转干燥机系统的部分修理及改造予以介绍,以供参考。

The text mainly discussed improvement of the hydrators, shift of the calciner’s body, maintenance of the heating pipe and shift of the steam collar in the φ3 200mm×20 000mm steam dense soda ash calciner.It succeed in improving the manufacture quality and extending the equipment lifetime by maintaining and reforming the system.