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iamweipu

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Originally posted by jfr_1983 at 2010-05-27 00:37:21:


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jfr_1983

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Originally posted by iamweipu at 2010-05-27 19:13:26:

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iamweipu

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jfr_1983(½ð±Ò+40):ÈÏÕæ£¬×Ðϸ£¬·Ç³£¸Ðл£¡ 2010-05-30 19:15:42
Efficient recovery and utilization of waste heat during sintering is crucial for iron and steel industry (or plants, not enterprises) in China. The thermal performance of the prepared granulated sinter mixes in the dry zone, in the weight range of 10mg, 10g, and 100g, respectively, was investigated using the techniques like thermogravimetric and differential thermal analysis. The results indicated that the drying of a sinter mix consisted of three stages, including a short rising-rate period, a long constant-rate period, and a certain falling-rate period, ascribed to the drying behavior. Depending on the sintering conditions, the moisture contents of samples were 5.5-6.0% by weight of solid in the first 5-7 minutes, and the critical moisture contents were approximately 2.3-3.0% after the flash drying through a tunnel dryer. It was found that the drying efficiency could be improved within a certain range by increasing the temperature, which played a greater impact, and the flow rate of the hot air. Overall, the result was suggestive of rational capabilities of the low-temperature waste heat for drying the sinter mixes in the iron and steel industry.
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jfr_1983

½ð³æ (СÓÐÃûÆø)

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Originally posted by iamweipu at 2010-05-28 16:55:50:
Efficient recovery and utilization of waste heat during sintering is crucial for iron and steel industry (or plants, not enterprises) in China. The thermal performance of the prepared granulated si ...

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