Research and application of real-time calculation method for burning coal's low calorific value

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- Research and application of real-time calculation method for burning coal's low calorific value
- Thermal Power Generation Vol. 43, Issue 4, Pages: 124-127(2014)
- 作者机构：
  
  1. 青岛科技大学自动化与电子工程学院
  2. 华能山东发电有限公司
  3. 西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK212
- Published：2014
- 稿件说明：
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XIE Yunming, LUO Xiaoling, WANG Zhiwei, et al. Research and application of real-time calculation method for burning coal's low calorific value[J]. Thermal power generation, 2014, 43(4): 124-127.
DOI：

XIE Yunming, LUO Xiaoling, WANG Zhiwei, et al. Research and application of real-time calculation method for burning coal's low calorific value[J]. Thermal power generation, 2014, 43(4): 124-127. DOI：

基于对入炉煤低位热值实时计算方法的不确定度分析

确定了对入炉煤低位热值不确定度影响较大的因素为煤流量、汽轮机热耗率和锅炉效率。将某300MW机组实时计算的入炉煤低位热值与化验的入炉煤低位热值进行对比

以验证实时计算方法的正确性

并对比较偏差进行了分析

表明计算结果符合入炉煤低位热值合成不确定要求。同时

提出了降低主要影响参数不确定的措施。

On the basis of measurement uncertainty analysis for real-time online calculation method for burning coals' low calorific value

the most important parameters affecting the coals' low calorific value were ascertained.Taking the burning coal of a 300MW unit boiler as the example

the real-time calculated net calorific value was compared with the value obtained from tests in laboratory.Analysis on their deviations shows that

the on-line calculated results meet the combined uncertainty requirements for low calorific value of burning coals.At last

countermeasures to reduce the uncertainty of major parameters were put forward.

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