The Sevilla Powder Tester: A Tool for Measuring the Flow Properties of Cohesive Powders at High Temperatures

IF 2.6 4区 材料科学 Q3 ENGINEERING, CHEMICAL
R. Gannoun, J. Ebri, A. Pérez, J. Valverde
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引用次数: 0

Abstract

Understanding the flowability of cohesive powders at high temperature is of great importance for many industrial applications where these materials are handled at harsh thermal conditions. For instance, the Calcium-Looping (CaL) process, involving the transport, storage and fluidization of limestone powders at high temperature, is being considered nowadays as a promising technology for thermochemical energy storage (TCES) in concentrated solar power plants (CSP). In this context, the High Temperature Seville Powder Tester (HTSPT) is presented in this work as a useful tool to analyze how the flow behavior of cohesive powders changes with temperature. The manuscript reviews the main results obtained so far using this novel apparatus. The change of powder cohesiveness and therefore of powder flowability as depending on temperature, particle size, material properties and nanosilica surface coating is illustrated.
塞维利亚粉末测试仪:在高温下测量粘性粉末流动特性的工具
了解粘性粉末在高温下的流动性对于在恶劣热条件下处理这些材料的许多工业应用非常重要。例如,钙环(CaL)工艺涉及石灰石粉末在高温下的运输、储存和流化,目前被认为是聚光太阳能发电厂(CSP)热化学储能(TCES)的一种有前途的技术。在这种情况下,高温塞维利亚粉末测试仪(HTSPT)在这项工作中被提出作为一个有用的工具来分析粘性粉末的流动行为如何随温度变化。本文综述了迄今为止使用这种新型仪器获得的主要结果。说明了粉末黏结性和流动性的变化取决于温度、粒度、材料性能和纳米二氧化硅表面涂层。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
KONA Powder and Particle Journal
KONA Powder and Particle Journal 工程技术-材料科学:综合
CiteScore
8.40
自引率
4.90%
发文量
35
审稿时长
>12 weeks
期刊介绍: KONA publishes papers in the broad field of powder science and technology, ranging from fundamental principles to practical applications. Papers describing technological experience and critical reviews of existing knowledge in special areas are also welcome.
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