Efficient, energy-saving and carbon-reducing system for calcining industrial byproduct gypsum: Fid-Bau Portal

Efficient, energy-saving and carbon-reducing system for calcining industrial byproduct gypsum

LIU ZHIHAO

The efficient, energy-saving and carbon-reducing industrial byproduct gypsum calcining system comprises multiple sections of rotary calcining assemblies which are sequentially connected end to end, each rotary calcining assembly comprises a rotary kiln and an outer sleeve interlayer, the adjacent rotary kilns are communicated end to end to form a calcining area inside, the outer walls of the rotary kilns are sleeved with the outer sleeve interlayers, and the rotary kilns are arranged in the calcining area. The outer sleeve interlayer is provided with a material leading-in opening and a material leading-out opening, and the material leading-out opening is used for leading out materials or is connected with the material leading-in opening of the outer sleeve interlayer located at the downstream position, so that the materials in the current outer sleeve interlayer are guided into the outer sleeve interlayer located at the downstream position; according to the scheme, different gypsum powder can be produced at the same time according to requirements, various production requirements are met, waste heat of the rotary kiln is fully utilized, an additional heating and calcining device is not needed, and high efficiency, energy conservation and carbon reduction are achieved.

本发明提出的高效节能降碳煅烧工业副产石膏系统，其包括多段依次首尾连接的回转煅烧组件，所述回转煅烧组件包括回转窑以及外套夹层，相邻所述回转窑首尾连通在内部形成煅烧区域，所述外套夹层套设于所述回转窑外壁上，所述外套夹层具有物料导入口以及物料导出口，所述物料导出口用于导出物料或者与位于下游的所述外套夹层的所述物料导入口连接，将当前所述外套夹层内物料导至位于下游的所述外套夹层内；本发明的方案可以根据需求同时生产不同的石膏粉，兼容多种生产需求，并且充分利用回转窑的余热，无需额外的加热煅烧装置，高效节能降碳。

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