<div style="font-size:14px; line-height:150%" ><h2 class="newsinfo_title">铝代铜技术引领空调流行趋势</h2>
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						      <li>2012-7-20 16:25:58</li>    
							  <li>来源:中国电子报</li>    
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									              <td width="60"><b>导读:</b></td>
												  <td>在铜资源紧缺和空调生产大国的背景下,空调企业在今年兴起了一轮铜替代技术。目前,志高、科龙、格力等多家空调企业开始使用铜铝连接管代替纯铜连接管。</td>
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									              <td width="60"><b>关键字:</b></td>
												  <td>铝 铜</td>
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<div class="over_x">					 <p>在铜资源紧缺和空调生产大国的背景下,空调企业在今年兴起了一轮铜替代技术。目前,志高、科龙、格力等多家空调企业开始使用铜铝连接管代替纯铜连接管。不过,美的空调则全力反对铜铝管,并指责铜铝管为&ldquo;黑心管&rdquo;,在业界引起了轩然大波。</p>
<p>近年来,国际电解铜价格已从每吨2万元上涨到8万元,相应地,铜管在空调成本中的比例已提高到约25%,空调等制冷产品企业经营成本急剧上升,迫切需要寻找新的替代材料。</p>
<p>据中国海洋大学高级工程师赵越介绍,使用铜铝管拥有四大优势:一是焊接技术优势:运用薄壁铜铝管焊接技术生产的第三代铜铝连接管,焊缝强度高于铜管、铝管的自身强度;二是使用寿命优势:铜铝管的外表采用了交联聚乙烯(热缩管)做防腐处理,使用寿命超过20年;三是节能优势:采用铜铝连接管将有利于连接管的保温,减小冷量浪费,提高节能水平;四是弯曲性能优良,易于安装、移机。</p>
<p>虽然,被一度炒得沸沸扬扬的铜铝管风波结束了,铜铝管也获得了业界的认可,但面对着原材料价格的上涨由此而带来的空调价格上涨,空调企业该如何提高自己的技术,以降低生产成本,成为考验空调企业的一大难题。</p>
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