升温速率对沥青燃烧和气态产物释放特性的影响
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朱凯,王云鹤,秦雪薇,黄亚东,王强,吴珂
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Effect of heating rate on asphalt combustion and gaseous products release characteristics
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Kai ZHU,Yun-he WANG,Xue-wei QIN,Ya-dong HUANG,Qiang WANG,Ke WU
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表 2 3个升温速率下的不同燃烧阶段典型热重数据 |
Tab.2 Typical thermogravimetric data of different combustion stages at three heating rates |
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β/ (°C·min−1) | 有氧热解阶段(Stage I) | | 重质组分燃烧阶段(Stage II) | δ/% | Stage I-1 | | Stage I-2 | | Stage I-3 | δ/% | rt/°C | tp/°C | vmax/ (%·min−1) | rt/ °C | tp/ °C | vmax/ (%·min−1) | rt/ °C | tp/ °C | vmax/ (%·min−1) | rt/ °C | tp/ °C | vmax/ (%·min−1) | 5 | 51.6 | 272 ~ 347 | 319 | −0.5 | | 347 ~ 387 | 362 | −2.0 | | 387 ~ 479 | 449 | −3.0 | | 39.4 | 479 ~ 584 | 524 | −3.4 | 10 | 56.4 | 285 ~ 362 | 345 | −1.0 | | 362 ~ 415 | 382 | −3.0 | | 415 ~ 515 | 462 | −6.3 | | 35.5 | 515 ~ 672 | 565 | −3.9 | 20 | 57.4 | 326 ~ 381 | 371 | −2.8 | | 381 ~ 438 | 416 | −6.3 | | 438 ~ 536 | 473 | −11.6 | | 34.2 | 536 ~ 733 | 598 | −4.8 |
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