喷雾干燥机提高叶面肥料的溶解度:响应面法的过程分析和生产率优化

IF 1.2 4区农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY

Ciencia E Agrotecnologia Pub Date : 2022-01-01 DOI:10.1590/1413-7054202246002422

Leticia Alberto, Mário Sérgio da Luz, K. G. Santos, M. H. Okura

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引用次数: 3

摘要

叶面施肥是一种高效的施用所需植物养分的技术。在田间粉碎过程中，肥料与农药的不相容性会导致喷嘴堵塞。因此，本工作旨在提高叶面肥料的溶解度，以促进其应用。评估了气流、入口气体温度和进料溶液流速对产率、生产率、溶解度和最终水分的影响。由于孔隙度增大、粗糙度增大和颗粒团聚等因素引起的毛细效应，粉末的溶解度得到了改善。在175℃、液体进料0.82 L/h、气流1.95 m3/min条件下，最大产率为0.336 kg/h。

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Enhanced solubility of foliar fertilizer via spray dryer: Process analysis and productivity optimization by response surface methodology

ABSTRACT Foliar fertilization is a highly efficient technique of applying needed plant nutrients. During pulverization in the field, the incompatibility between fertilizer and pesticides can cause clogging of the spray nozzles. So, this work aims to improve the solubility of foliar fertilizers to facilitate its application. The effect of airflow, inlet gas temperature, and feed solution flow rate over yield, productivity, solubility, and final moisture were evaluated. The powder solubility was improved because of the capillary effect caused by greater porosity, roughness, and particle agglomeration. The maximum productivity of 0.336 kg/h was obtained at 175 ºC, with a liquid feed of 0.82 L/h and an airflow rate of 1.95 m3/min.

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来源期刊

Ciencia E Agrotecnologia 农林科学-农业综合

CiteScore

2.30

自引率

9.10%

发文量

审稿时长

6-12 weeks

期刊介绍： A Ciência e Agrotecnologia, editada a cada 2 meses pela Editora da Universidade Federal de Lavras (UFLA), publica artigos científicos de interesse agropecuário elaborados por membros da comunidade científica nacional e internacional. A revista é distribuída em âmbito nacional e internacional para bibliotecas de Faculdades, Universidades e Instituições de Pesquisa.