防结块工业硝酸钾新工艺的应用研究

Pilot plant facility for 10kt/a anti-block industrial potassium nitrate manufacture

1万t防结块工业硝酸钾的生产装置选用硝酸镁与氯化钾为原料,采用新研究开发的复分解循环反应法生产硝酸钾新工艺,副产品为六水氯化镁,六水氯化镁含少量硝酸钾,故称之为氮钾镁肥。简要介绍了生产装置的工艺原理流程、主要设备选型、产品质量、主要经济技术数据、"三废"防治等。本生产投资少,成本低,产品附加值高。

10 kt/a anti- block industrial potassium nitrate is using magnesium nitrate and potassium chloride as raw materials, with the new production techniques of producing potassium nitrate with the newly - developed double decomposition circulating reaction method. By - product magnesium chloride hexahydrated with a small amount of potassium nitrate is called nitrogen- potassium- magnesium fertilizer. Technique principle flowsheet, main equipment items, product quality, main economic technical data, and prevention of three wastes （ waste gas, waste water and industrial residue） were briefly introduced. This manufacture is with less investment, low manufacturing cost, and high added value.