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1. 发明授权

US06966508B2 On-line control of coal flow 失效
标题翻译：煤流在线控制
公开(公告)号：US06966508B2
公开(公告)日：2005-11-22
申请号：US10743978
申请日：2003-12-23
申请人： Edward Kenneth Levy , Harun Bilirgen , Elshabasi Ali
发明人： Edward Kenneth Levy , Harun Bilirgen , Elshabasi Ali
IPC分类号： B02C15/00 , B07B7/08 , B02C23/08
CPC分类号： B02C15/00 , B02C2015/002 , B07B7/08
摘要： A system for balancing and controlling the distribution of pulverized coal into multiple equal diameter outlet pipes of coal pulverizers for improving boiler performance. The device includes a plurality of flow control elements, one flow control element for each outlet pipe, all positioned a pre-determined distance upstream of the outlet pipes. Each flow control element is mounted on an independent adjustment mechanism and is thereby adjustable in position relative its corresponding outlet pipe to selectively vary the wake of the downstream coal particulate flow relative to primary air flow. The method of the present invention is practiced by monitoring coal particulate flow at the outlet pipes relative to primary air flow or individual flame characteristics, and then compensating for noted imbalances by selectively adjusting the flow control elements, thereby balancing and controlling the distribution of coal and improving combustion efficiency.
摘要翻译：一种用于平衡和控制煤粉分配到煤粉机多个等直径出口管道以提高锅炉性能的系统。该装置包括多个流量控制元件，用于每个出口管的一个流量控制元件全部位于出口管上游的预定距离。每个流量控制元件安装在独立的调节机构上，从而相对于其对应的出口管调节位置，以选择性地改变下游煤颗粒流相对于一次空气流的尾流。本发明的方法是通过监测出口管上相对于一次空气流或单个火焰特性的煤颗粒流动，然后通过选择性地调节流量控制元件补偿所引起的失衡，由此平衡和控制煤的分布，提高燃烧效率。

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