公开(公告)号：US08989344B2

公开(公告)日：2015-03-24

申请号：US13722014

申请日：2012-12-20

申请人： Tsinghua University

发明人： Hongchang Yi ,  Qian Lin ,  Jianping Cheng

IPC分类号： G01N23/223 ,  G01N23/087 ,  G01N23/20

CPC分类号： G01N23/20091

摘要： A system and a method for measuring an ash content and a calorific value of a coal are provided. The system comprises: an X ray device, disposed over the coal and configured to emit an X ray to the coal; at least one X ray measuring device, disposed over the coal and configured to measure an energy spectrum of an X ray reflected by the coal; a distance sensor, disposed over the coal and configured to measure a distance between the coal and the at least one X ray measuring device; and a computing device, configured to receive the energy spectrum and the distance from the at least one X ray measuring device and the distance sensor and to compute the ash content and the calorific value of the coal according to the energy spectrum and the distance.

摘要翻译： 提供了一种用于测量煤的灰分含量和发热量的系统和方法。 该系统包括：X射线装置，设置在煤上并被配置为向煤射出X射线; 至少一个X射线测量装置，设置在煤上并被配置成测量由煤反射的X射线的能谱; 距离传感器，设置在煤上并被配置成测量煤和至少一个X射线测量装置之间的距离; 以及计算装置，被配置为从所述至少一个X射线测量装置和所述距离传感器接收所述能谱和所述距离，并且根据所述能谱和所述距离计算所述煤的灰分含量和所述发热量。

公开(公告)号：US20130101087A1

公开(公告)日：2013-04-25

申请号：US13656177

申请日：2012-10-19

申请人： Tsinghua University

发明人： Hongchang Yi ,  Qian Lin

IPC分类号： G01N23/08

CPC分类号： G01N23/083 ,  G01N33/222 ,  G01N2223/617 ,  G01N2223/643

摘要： A system and a method for measuring an ash content and a calorific value of a coal are provided. The system comprises: at least two dual-energy gamma ray transmission measuring devices and a computing device, in which at least one first dual-energy gamma ray transmission measuring device is disposed before an inlet of a coal combustion apparatus for measuring a first attenuation coefficient of a gamma ray from the at least one first dual-energy gamma ray transmission measuring device with regard to the coal; at least one second dual-energy gamma ray transmission measuring device is disposed after an outlet of the coal combustion apparatus for measuring a second attenuation coefficient of a gamma ray from the at least one second dual-energy gamma ray transmission measuring device with regard to a coal ash; and the computing device is configured to compute the ash content and the calorific value of the coal.

摘要翻译： 提供了一种用于测量煤的灰分含量和发热量的系统和方法。 该系统包括：至少两个双能γ射线透射测量装置和计算装置，其中至少一个第一双能量γ射线透射测量装置设置在用于测量第一衰减系数的煤燃烧装置的入口之前 来自所述至少一个第一双能量γ射线传输测量装置的关于煤的γ射线; 至少一个第二双能γ射线透射测量装置设置在煤燃烧装置的出口之后，用于测量来自至少一个第二双能γ射线透射测量装置的γ射线的第二衰减系数 煤灰; 并且计算装置被配置为计算煤的灰分含量和热值。