导热油换热器预热煤粉气流的试验研究
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来振亚,毛睿,李源,张平安,杜学森,周昊
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Experimental study on preheating pulverized coal air flow by heat exchanger using thermal oil
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Zhen-ya LAI,Rui MAO,Yuan LI,Ping-an ZHANG,Xue-sen DU,Hao ZHOU
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| 表 1 煤粉气流预热的实验工况 |
| Tab.1 Experimental conditions of preheating pulverized coal air flow |
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| 工况 | tin，air /℃ | vair /(m·s−1) | tin，oil /℃ | qm /(t·h−1) | R | | 1 | 60 | 22.8 | 190 | 0.6 | 0 | | 2 | 60 | 22.8 | 190 | 1.4 | 0 | | 3 | 60 | 22.8 | 190 | 2.2 | 0 | | 4 | 60 | 22.8 | 165 | 1.4 | 0 | | 5 | 60 | 22.8 | 215 | 1.4 | 0 | | 6 | 60 | 22.8 | 270 | 1.4 | 0 | | 7 | 40 | 13.3 | 190 | 1.4 | 0 | | 8 | 40 | 18.4 | 190 | 1.4 | 0 | | 9 | 40 | 23.9 | 190 | 1.4 | 0 | | 10 | 40 | 22.0 | 190 | 1.4 | 0 | | 11 | 60 | 22.0 | 190 | 1.4 | 0 | | 12 | 80 | 22.0 | 190 | 1.4 | 0 | | 13 | 60 | 22.5 | 190 | 1.4 | 0 | | 14 | 60 | 22.5 | 190 | 1.4 | 0.15 | | 15 | 60 | 22.5 | 190 | 1.4 | 0.25 |
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