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jfr_1983金蟲 (小有名氣)
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It’s one of the key approaches for iron and steel corporations to efficiently recover the waste heat resources which are used to preheat sinter mixture in order to reduce energy consumption in the sintering process before the ignition device. Centered on the thermal performance of the sinter mixture in the drying process, mechanistic experiments such as differential thermal gravimetric analysis，forced air drying and the tunnel flashing drying, which are based on different focus, are carried out, including a series of experiments of level 10mg, level 10g, and level 100g respectively. The experimental results show that sinter mixture is a typical “three-period” drying materials, that is, the entire drying process consists of shorter rising rate period，longer constant rate period and falling rate period. At the beginning, the drying rate is faster, and then slower. Greater drying rate and the corresponding drying time is in the first 5-7 minutes when the moisture content of sinter mixture is 0.055~0.06kg (water)/kg (material) based on the experimental conditions. In the experiment of tunnel flashing drying, critical moisture content of sinter mixture is about 2.3~3.0%. The temperature and flow rate of hot air are the main factors affect the drying rate, within a certain range, the higher the air temperature the greater the flow as well as the drying rate, the effect of strengthening drying is more obvious. Both hot air temperature and flow should have an appropriate scope dues to the discrepancies exist in the effect of strengthening drying by improving the temperature and flow in different interval. Therefore, sinter mixture is easy to dry, and the existing low temperature waste heat is able to achieve sinter mixture’ drying. 求助 摘要修改~�。≈x謝 |
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9樓2010-05-26 11:26:56
laobendan2
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sirljz(金幣+1):謝謝交流 2010-05-10 20:30:39
sirljz(金幣+2):歡迎新蟲 2010-05-10 20:30:52
jfr_1983(金幣+5):請?jiān)賻臀铱纯次倚薷牡牡诙�，謝謝 2010-05-22 11:25:14
sirljz(金幣+1):謝謝交流 2010-05-10 20:30:39
sirljz(金幣+2):歡迎新蟲 2010-05-10 20:30:52
jfr_1983(金幣+5):請?jiān)賻臀铱纯次倚薷牡牡诙�，謝謝 2010-05-22 11:25:14
| in order to reduce energy consumption， efficiently recover the waste heat which are used to preheat sinter mixturein before the ignition device. mechanistic experiments such as differential thermal gravimetric analysis，forced air drying and the tunnel flashing drying are carried out, including a series of experiments of level 10mg, level 10g, and level 100g respectively. The experimental results show that sinter mixture is a typical “three-period” drying materials, the entire drying process consists of shorter rising rate period，longer constant rate period and falling rate period. Greater drying rate and the corresponding drying time is in the first 5-7 minutes when the moisture content of sinter mixture is 0.055~0.06kg (water)/kg (material) based on the experimental conditions. In the experiment of tunnel flashing drying, critical moisture content of sinter mixture is about 2.3~3.0%. The temperature and flow rate of hot air are the main factors affect the drying rate, within a certain range, the higher the air temperature the greater the flow as well as the drying rate, the effect of strengthening drying is more obvious. Both hot air temperature and flow should have an appropriate scope dues to the discrepancies exist in the effect of strengthening drying by improving the temperature and flow in different interval. |
2樓2010-05-10 15:33:20
★ ★
sirljz(金幣+2):謝謝交流 2010-05-10 20:31:17
jfr_1983(金幣+5, 翻譯EPI+1):請?jiān)賻臀铱纯�，我又改了第二�?2010-05-22 11:24:34
sirljz(金幣+2):謝謝交流 2010-05-10 20:31:17
jfr_1983(金幣+5, 翻譯EPI+1):請?jiān)賻臀铱纯�，我又改了第二�?2010-05-22 11:24:34
| 大概改了一下，摘要中要用過去式，還有，樓主用的長句子太多，最好長短穿插。In order to reduce energy consumption in the sintering process before the ignition device， one of the key approaches for iron and steel corporations to efficiently recover the waste heat resources used to preheat sinter mixture. Centered on the thermal performance of the sinter mixture in the drying process, mechanistic experiments such as differential thermal gravimetric analysis，forced air drying and the tunnel flashing drying based on different focus, are carried out, including a series of experiments of level 10mg, level 10g, and level 100g(,) respectively. The experimental results show(ed) that sinter mixture is（was） a typical “three-period” drying materials, that is, the entire drying process consists（ed） of shorter rising rate period，longer constant rate period and falling rate period. At the beginning, the drying rate is faster(fast), and then slower(slow down). Greater drying rate and the corresponding drying time is in the first 5-7 minutes when the moisture content of sinter mixture is 0.055~0.06kg (water)/kg (material) based on the experimental conditions. In the experiment of tunnel flashing drying, critical moisture content of sinter mixture is about 2.3~3.0%. The temperature and flow rate of hot air are the main factors affect the drying rate, within a certain range, the higher the air temperature (is,) the greater the flow as well as the drying rate, the effect of strengthening drying is more obvious. Both hot air temperature and flow should have an appropriate scope dues to the discrepancies exist in the effect of strengthening drying by improving the temperature and flow in different interval(s). Therefore, sinter mixture is easy to dry, and the existing low temperature waste heat is able to achieve sinter mixture’ drying. |
3樓2010-05-10 16:59:49
jfr_1983
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4樓2010-05-19 19:26:31
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