本文介绍了热电厂除灰用HDPE／ 玻璃钢复合管的研制过程、复合管性能和使用情况。
The paper introduces the research, properties and application of HDPE/GRP ash pipes used in fire power plants.
根据泵承受的最大压力，泵体和泵盖材质采用灰口铸铁(1.6 Mpa)、球墨铸铁(2.0 mpa)、铸钢(2.5 Mpa，包括不锈钢)。
According to the maximum pressure to bear, pump body and cover can be made of grey cast iron (1.6mpa), spheroidal graphite cast iron (2.0mpa) or cast steel (2.5mpa, including stainless steel).
针对发电厂中储式钢球磨煤机是否能达到最大制粉出力的判断方法存在的局限性，提出了一种基于灰关联动态矩阵及轴振分析的磨煤机最大出力点的诊断新方法。
Based on the grey matrix relative degree, a new decision making method is presented, and a decision making example is given to demonstrate the feasibility and rationality of this new method.
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