【摘要】 介绍粒状过磷酸钙干燥工艺与免干燥工艺的生产方法,投资、成本和效益对比。说明免干燥工艺投资少、成本低、效益好,但产品强度、质量不如干燥工艺,2种方法生产粒状过磷酸钙产品都是过磷酸钙企业提高效益的好途径。更多还原

【Abstract】 The 2 processes of drying and nondrying for granular SSP production are compared in investment, cost and economy. The latter is the process of less investment, lower cost and better economy whilst of inferior quality especially in granular strength. And each process is a good approach to improve the economic benefit of a SSP enterprise.更多还原