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首页> 外文会议>Conference Seminars on Powder amp; Bulk Solids May 8-11, 2000, Rosemont, IL USA >SOLVE BULK HANDLING PLANT PROBLEMS BY CHECKING COMPONENT PERFORMANCE
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SOLVE BULK HANDLING PLANT PROBLEMS BY CHECKING COMPONENT PERFORMANCE

机译：通过检查组件性能来解决批量处理工厂问题

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Most dry bulk (powder, pellet, flake, granule, chip) handling plants are built by assembling together and interfacing a series of equipments that perform specific tasks. The system thus installed would manage a variety of operations like storing, de-bagging, conveying, feeding, mixing,blending and weighing these powders to required final process specifications. Many companies would put together such systems by purchasing unit components and assembling them into a system with the overall system design being handled by a consulting agency or an engineering firm if not by experienced engineers from within the plant. Other options include purchasing the entire system design engineering and all unit components from one supplier who may be manufacturing all or some of the unit components that form parts of the system. Because of the undefined and unpredictable behaviour of bulk powders, engineered systems sometimes pose performance problems which could be any of the following: a. Reduced or increased throughputs b. Inconsistent flow patterns; c. Line blockage, flow difficulties; d. Intercomponent incompatibility; e. Problems due to wear and abrasion; f. Dust emission beyond specified limits; g. Mechanical stress on equipments; h. High power requirements/motor failures. All these problems lead to downtimes which finally affect plant productivity. This paper attempts to provide plant engineers with practical ways of troubleshooting underperforming (or overperforming) systems by concentrating on each individual component that makes up the total system. (The system is assumed to have pneumatic conveying as the primary product or material transfer system between processing functions) By a systematic analysis of the performance of each component considering input and output values, the plant engineer can ensure a high degree of on time plant reliability without having major recourse to expertise from the component and system vendors. While major problems will necessarily require vendor assistance, most problems that occur in a poorly performing plant can be finally traced to performance of the individual units that make up the system.
机译：大多数干散货（粉状，粒状，片状，颗粒状，碎屑）装卸厂都是通过组装在一起并连接执行特定任务的一系列设备而建造的。如此安装的系统将管理各种操作，例如按照所需的最终工艺规范对这些粉末进行存储，开袋，运输，进料，混合，混合和称重。许多公司会通过购买单元组件并将它们组装成一个系统来组装这样的系统，而整个系统设计则由咨询机构或工程公司来处理，如果不是由工厂内部经验丰富的工程师来处理的话。其他选择包括从一个供应商那里购买整个系统设计工程和所有单元组件，该供应商可能正在制造构成系统一部分的全部或部分单元组件。由于散装粉末的不确定性和不可预测性，工程系统有时会引起性能问题，可能是以下任何一种情况：吞吐量降低或增加b。流动模式不一致； C。管路堵塞，流动困难； d。组件间不兼容； e。由于磨损引起的问题； F。粉尘排放超过规定的限值； G。设备的机械应力； H。高功率要求/电机故障。所有这些问题导致停机，最终影响了工厂的生产率。本文试图通过集中于构成整个系统的每个单独组件，为工厂工程师提供对性能不佳（或性能不佳）系统进行故障排除的实用方法。 （假定该系统将气动输送作为处理功能之间的主要产品或物料传输系统），通过考虑输入和输出值对每个组件的性能进行系统分析，工厂工程师可以确保高度准时的工厂可靠性无需依靠组件和系统供应商的专业知识。虽然主要问题必然需要供应商的协助，但是在性能不佳的工厂中发生的大多数问题最终都可以归结为组成系统的各个单元的性能。

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