| 一种新型旋流燃烧器的工作特性研究 |
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| 引用本文： | 王慧青,罗睿,周屈兰,田明泉,赵钦新,惠世恩.一种新型旋流燃烧器的工作特性研究[J].动力工程,2011,31(7). |
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| 作者姓名： | 王慧青 罗睿 周屈兰 田明泉 赵钦新 惠世恩 |
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| 作者单位： | 1. 西安交通大学能源与动力工程学院,西安,710049
2. 新疆泽普石油基地塔西南电力工程部,喀什,844808 |
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| 基金项目： | 国家自然科学基金资助项目(50928601) |
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| 摘 要： | 提出了一种具有新型结构的浓淡式旋流燃烧器,其出口射流由浓淡一次风、内外二次风组成,喷口为特制结构.采用热线风速仪对燃烧器模型出口空气动力场参数进行了测试,同时以颗粒捕集法为手段对一次风粉混合物在经过燃烧器后的气固分离效果进行了试验研究.结果表明：新型燃烧器具有优越且稳定的空气动力场,能够强化回流,提高轴线附近湍动度水平,有利于改善着火条件,抑制NOx污染物的形成;煤粉浓缩装置对实现浓淡分离的作用显著,燃烧器出口浓淡比可达4∶1以上.
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| 关 键 词： | 旋流燃烧器 煤粉浓缩器 旋流强度 空气动力场 浓淡分离 |
Study on Operation Performance of a New Swirl Burner |
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| WANG Hui-qing,LUO Rui,ZHOU Qu-lan,TIAN Ming-quan,ZHAO Qin-xin,HUI Shi-en.Study on Operation Performance of a New Swirl Burner[J].Power Engineering,2011,31(7). |
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| Authors: | WANG Hui-qing LUO Rui ZHOU Qu-lan TIAN Ming-quan ZHAO Qin-xin HUI Shi-en |
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| Affiliation: | WANG Hui-qing1,LUO Rui1,ZHOU Qu-lan1,TIAN Ming-quan2,ZHAO Qin-xin1,HUI Shi-en1(1.School of Energy and Power Engineering,Xi'an Jiaotong University,Xi'an 710049,China,2.Taxinan Gas Turbine Power Station Zepu,Kashgar 844808,China) |
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| Abstract: | A new type of swirl burner for dense-dilute pulverized coal is presented,of which the outlet jet is composed of dense-dilute primary air and inside/outside secondary air,and the spout structure is specially made.Parameters of aerodynamic field at outlet of model burner was measured using hot-wire anemometer,while the effect of gas-solid separation studied in the way of particle capture after the mixture of primary air and pulverized coal having passed through the burner was analyzed.Results indicate that th... |
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| Keywords: | swirl burner coal concentrator swirl intensity aerodynamic field dense-dilute seperation |
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