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本厂 8 0 kt/a过磷酸钙成品破碎、筛分及包装工序 ,经改造逐步完善 ,现已初显成效 ,具有投资少 ,简易实用等优点 ,现介绍如下。1 存在的主要问题改造前碎肥工序 ,由大贮斗、皮带机、破碎机组成。成品磷肥由桥式吊车从肥仓抓到贮斗 ,由贮斗经皮带机 ( b=5 0 0 mm )送至碎肥机 ,
The factory 8 0 kt / a SSP finished crushing, screening and packaging processes, the transformation and gradually improve, has been initially effective, with less investment, simple and practical advantages are as follows. 1 The main problems before the transformation of broken fertilizer process, by the big bucket, belt machine, crusher composition. The finished phosphate fertilizer is grabbed from the fertilizer storage bin by a bridge crane and delivered to a fertilizer manurer from a hopper via a belt conveyor (b = 500 mm)