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<!--子栏目--> <div style="margin:0 20px;"> <div style="font-size:22px; line-height:40px; text-align:center; margin-top:15px;"><strong>空调清洗药剂选择</strong></div> <div style="font-size:12px; line-height:40px; text-align:center; border-bottom:dotted 1px #ddd;">本文于<strong>2020年01月19日 18点08分52秒</strong>发表， 本文共有<strong>580</strong>个字， <i>浏览：<strong><script src="/plus/count.php?view=yes&aid=10499&mid=1" type='text/javascript' language="javascript"></script></strong>次</i></div> <div class="neirong"> <div id="MyContent"> <p> 药剂的选择：</p> <p> 根据垢样分析及溶垢试验表明，垢物的主体是氧化铁，尤其是深褐色的Fe3O4为主，无机酸如HCl、HF、HNO3及H2SO4等均可使其溶解。但溴化锂机组严格控制Cl离子等其它有害离子进入机组。在加机组腔体已严重腐蚀。选择无机酸为主体的清洗剂，将会冒更大的风险。而选择有机酸清洗剂，不仅能有效地去除金属氧化物，而且对设备安全。</p> <p> 可供选择的有机酸品种有柠檬酸、醋酸、氨基磺酸、HEDP等。</p> <p> 有机酸清洗剂的清洗机理和作用是：利用其本身的氧化性酸性和所带有的活性基团优异的螯合能力，加上复配其中的表面活性剂、渗透剂等的作用，以达到清洗的目的。</p> <p> 如当HEDP的浓度在1-5％时其除锈效果可以和盐酸媲美。</p> <p> 例如：淮北电厂6号锅炉过热器有280g/m2锈垢，采用32％HEDP等有机清洗剂配方，仅耗2小时即清洗干净，且清洗后的金属表面优于用HCl清洗后的表面。</p> <p> 柠檬酸清洗机理较复杂，主要反应为：</p> <p> H3C6H5O7+NH4OH—NH4H2C6H5O7+H2O</p> <p> 所生成的柠檬单酸是该酸清洗的有效成分。其含氨有机酸与氧化铁反应如下：</p> <p> NH4H2C6H5O7+FeO—NH4FeC6H5O7+H2O</p> <p> 2NH4H2C6H5O7+Fe2O3—2NH4FeC6H5O7OH+H2O</p> <p> 3NH4H2C6H5O7+Fe3O4—NH4FeC6H5O7+2NH4FeC6H5O7OH</p> <p>本文地址：https://www.ktwxx.com/wenda/10499.html</p> <p><strong>TAG标签： <a href='/tag/qingxi_61_1.html'>清洗</a> <a href='/tag/youji_8790_1.html'>有机</a></strong></p> </div> </div> <div style="text-align:center; background:#f2f2f2; line-height:36px;">【<a href="javascript:history.back(-1)">返回上一页</a>】</div> <div style="margin-top:15px; line-height:24px; "> 上一篇：<a href='https://www.ktwxx.com/wenda/10497.html'>空调故障检修指南2</a> <br /> 下一篇：<a href='https://www.ktwxx.com/wenda/10504.html'>中央空调保养注意事项</a> </div> <br /> <div style="width:400px;float:left;"> <b style="display:block;padding-left:5px;line-height:2.5em;border-bottom:1px dashed #CDCDCD; font-size:15px;">最新空调问答文章</b> <ul class="n_list"> <li><a href="https://www.ktwxx.com/wenda/958.html">导致中央空调不冷有哪些原因？</a></li> <li><a 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