云峰公司200kt/a磷酸一铵装置生产控制分析

Production Control Analysis for 200 kt/a MAP Plant of Yunfeng Company

介绍了云天化国际云峰分公司产能200 kt/a磷酸一铵生产装置,分析了影响生产和产品稳定的原因,包括原料应用渣酸、使用稀氨水、热风炉间断加热、设备清理频繁、尾气洗涤等问题,通过采取控制产品富余养分、反应中和度、产品水分、送酸和配酸操作、提高尾气洗涤率等措施,取得了好的生产控制效果,装置运行稳定,工艺指标达到较好水平。

The 200 kt/a MAP plant of Yuntianhua International Chemical Co.,Ltd.is described,and causes influencing the production and product stability are analyzed,including raw material using residual acid,use of dilute ammonia,intermittent water charging for air heating furnace,frequent equipment cleaning,tailgas scrubbing and other problems.By taking measures to control the product excess nutrient,reaction neutralization degree,product water content,acid supply and distribution operation,and enhance tailgas scrubbing rate,excellent production control effect has been achieved,and the plant operation is stable,the process indicators have reached a good level.