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02:54 Oct 4, 2008 |
English to Chinese translations [PRO] Tech/Engineering - Metallurgy / Casting Additional field(s): Engineering (general) | |||||||||||
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Selected response from: Yurek China Grading comment
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Summary of translations provided | ||||
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4 +2 | 鼓风炉 |
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鼓风炉 Definition from wiki: 鼓风炉 blast furnace 竖炉的一种。传统的冶金设备之一。由炉顶、炉身和炉缸或本床组成。炉顶设有加料口和排烟口。炉身下部两侧各有向炉内鼓风的鼓风口若干个,炉缸设有熔体排出口和放空口,本床只设一个排出口。炼铁鼓风炉通称高炉;鼓风炉则一般指有色金属的熔炼竖炉。鼓风炉可用于铜、镍、钴等金属的造锍熔炼(铜、镍、钴火法冶金流程中的一个重要工序)和铅、锌等金属的还原熔炼,还可用于熔化杂铜和处理其他物料。鼓风炉的炉料一般为块状,燃料为焦炭。炉料分批从炉顶加入,形成料柱。空气由下部风口鼓入,焦炭在风口区燃烧,形成高温熔炼区;炉料在此激烈反应,不断熔化。还原熔炼时,熔体在炉缸内澄清,分别放出金属和炉渣,造锍熔炼时,熔体经本床流入前床,澄清分离出冰铜和炉渣。热烟气穿过炉料上升至炉顶排出过程中,使炉料预热(熔炼混捏精矿时,还要使精矿烧结),并发生部分熔炼化学反应 。所以鼓风炉的传热传质条件好,热效率高,单位面积日生产能力(即床能率)大。 Example sentence(s):
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