不同工艺生产的颗粒复合肥料孔隙情况分析 - 202506 - 肥料与健康
不同工艺生产的颗粒复合肥料孔隙情况分析
Analysis of Porosity in Granular Compound Fertilizers Produced by Different Processes
doi: 10.3969/j.issn.2096-7047.2025.06.009
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摘要:

为考察不同工艺生产的颗粒复合肥料的孔隙情况,开展了试验研究。试验随机选取团粒法、料浆法、熔体法、流变法等4种工艺生产的11种颗粒复合肥料样品,以煤油为溶剂,通过浸渍称重法检测吸油率。结果表明:不同工艺生产的颗粒复合肥产品的吸油率存在差异;流变法生产的Z-4样品的吸油率最高(9.44%),料浆法生产的L-1样品的吸油率最低(1.04%)。根据吸油率能够快速判断肥料孔隙情况,可为工艺改进、产品开发提供技术支持。

关键词:
Abstract:

To investigate the porosity of granular compound fertilizers produced by different processes, an experimental study is conducted. Eleven granular compound fertilizer samples, randomly selected from those produced by four distinct processes, including agglomeration process, slurry concentration process, melt process, and rheology process, are tested. Kerosene is used as the immersion solvent, and the oil absorption rate is determined using the immersion weighing method. The results indicate that the oil absorption rates vary among granular compound fertilizer products from different processes. The Z-4 sample, produced by the rheology process, shows the highest oil absorption rate (9.44%), whereas the L-1 sample, produced by the slurry concentration process, shows the lowest rate (1.04%). These results demonstrate that oil absorption rate provides a rapid way to assess fertilizer porosity, offering valuable technical support for process optimization and product development.

Keyword:
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