Economic comparison of steam and electrical heat tracing systems for use in pulp and paper mills

C. Sandberg
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引用次数: 2

Abstract

A framework for a quantitative decision process for the choosing of the optimal type of heat tracing system is given. The three necessary factors for maximizing the reliability of the heat tracing, reliable component parts, correct design, and proper installation and commissioning, are discussed. Personal computers give the engineer a powerful tool to help analyze a potential heat tracing system. A computer program, ASAP, is described which will help a design engineer study the total installed cost (TIC) and the total operating cost (TOC). TIC is made up of two components, material cost and labor cost to install the heat tracing system. TOC is also made up of two components, energy cost and maintenance cost. Each component is described with emphasis on the differences between steam and electrical tracing. With this computer tool, an engineer can spend a few hours on developing a number of scenarios which should point to the optimum type of heat tracing.<>
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纸浆和造纸厂用蒸汽伴热系统和电伴热系统的经济比较
给出了选择最优伴热系统类型的定量决策过程框架。讨论了热伴热可靠性最大化的三个必要因素:可靠的部件、正确的设计和正确的安装和调试。个人电脑给工程师提供了一个强大的工具来帮助分析潜在的热伴热系统。本文描述了一个计算机程序ASAP,它将帮助设计工程师研究总安装成本(TIC)和总运行成本(TOC)。TIC由材料成本和人工成本两部分组成,用于安装伴热系统。TOC也由能源成本和维护成本两部分组成。每个组件都被描述,重点是蒸汽和电伴热之间的区别。有了这个计算机工具,工程师可以花几个小时来制定一些方案,这些方案应该指向最佳的热伴热类型。
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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