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      <div class="pro-detail">除氧器余热回收装置高新技术产品认定证书<div class="singglepic"><img id="ImgProDetail_My" src="../Content/File_Img/S_Product/2019-11-26/201911261527581279583.jpg" border="0" alt="除氧器余热回收装置高新技术产品认定证书" title="除氧器余热回收装置高新技术产品认定证书"></div></div>
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          <div class="tagContent selectTag" id="tagContent0"><input type="hidden" id="productID" name="productID" value="402613"><p>除氧器排汽余热回收装置</p><p>一、用途及特点：</p><p>&nbsp;</p><p>火力发电厂热力循环中凝结水，除盐水经除氧器加热除氧后，不凝结气体由排汽管排至大气。因在排除不凝结气体过程中，将产生大量噪声污染环境，同时将一部分蒸汽也一同排出，这样造成一部分能源浪费。我公司设计生产的新型除氧器排汽收能装置属最新型余热回收设备，能对除氧器排出的余汽进行回收，并加热冷却水，使其循环利用，同时消除除氧器排汽噪音，优化环境。</p><p>其技术特点：</p><p>1、 换热效率高，传热传质充分，节能效果明显；</p><p>2、设计新颖、结构简单；</p><p>3、 运行稳定、安全可靠、冷却水易于回收；</p><p>4、不凝结气体排入大气、降低管道氧腐蚀、延长设备管道使用寿命；</p><p>5、 消除噪声、替代原除氧器排汽消音器、优化环境。</p><p><br></p><p>二、工作原理及工艺流程：</p><p><br></p><p>A、工作原理</p><p>除氧器排汽余热回收装置的筒体上部装有喷水冷却管室，喷水冷却管室由高效旋射流雾化喷嘴群组成，它的一侧接冷却水进水管。喷水冷却管室的下面是雾化空间，雾化空间的下面是分水消音孔板和填料组，填料组下面是蒸汽分配器，蒸汽分配器的一侧接排汽进口管。</p><p>本新型除氧器排汽余热回收装置与普通除氧器余汽回收装置不同，它是将雾化、淋水盘、液膜三种传热传质方式缩化为一体，因此有很高的效率，它不仅有很大的吸热功能，而且对不凝结气体具有很强的解析能力，将普通的淋水，降膜改为强力雾化降膜，增加了液膜更新度，使液膜强力卷吸大量蒸汽，增加了传热传质功能。</p><p>B、工艺流程</p><p>经除盐水母管引冷却水从除氧器排汽余热回收装置进水管室进入装置内部，将除氧器的排汽由除氧器的排大气门前，接管引入收能器，在设备内部经过充分的传质、传热，不凝结气体从上部排废气口排出，凝结后的水与喷出的雾化液膜一同向下流动，从出水口流出，进入疏水箱。</p><p>三、型号说明：</p><p>&nbsp;<img src="../Content/ueditor-builder/net/upload1/Other/13376/6371037899393043258730742.png" title="型号说明.png">四、除氧器排汽收能器安装方案示意图及工艺系统流程简图：</p><p><img src="../Content/ueditor-builder/net/upload1/Other/13376/6371037901321242223374916.png" title="安装方案示意图.png"></p><p>五、以低压150T/H和高压680T/H除氧器安装本装置为例的经济性分析：</p><p><br></p><p>例一：已知除氧器参数（出力Q=150T/H）</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;P绝=0.13MPa &nbsp; &nbsp; &nbsp;t=104.8℃</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;排汽管DN=80 &nbsp; &nbsp; &nbsp;h＂ =2683.7KJ/KG</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;V＂=1.4193m3/Kg(查焓表得)</p><p>设定冷却水入口t0=20℃ &nbsp; 出口= t1=80℃年运行7000小时</p><p>1）使用除氧器排汽余热回收装置后可回收凝结水5125吨，按5元/吨除盐水价计算，可节省折合人民币25000元</p><p>2）按排汽口半开计算，使用除氧器排汽余热回收装置后,年可回收热量折合成标煤238吨，按标煤550元/吨计算，约节约人民币13.2万元。</p><p>3）以上两项共计可每年回收效益15.7万元。</p><p>例二：已知除氧器参数（出力Q=680 T/H）</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;P绝=0.58 MPa &nbsp; &nbsp; &nbsp;t=158℃</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;排汽管DN=80 &nbsp; &nbsp; &nbsp; h＂ =2754.5 KJ/KG</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;V＂=0.32194 m3/Kg(查焓表得)</p><p>设定冷却水入口t0=20℃ &nbsp; 出口= t1=80℃ &nbsp;年运行7000小时</p><p>1）使用除氧器排汽余热回收装置后，每年可回收凝结水：3089Kg/h×7000 h=21629吨×5元/吨=108145元</p><p>2）按排汽口半开计算，使用除氧器排汽余热回收装置每年可回收热量折合成标煤：2033吨按标煤价550元/吨计算，年节约煤款1118150元</p><p>3）以上1）、2）两项合计每年可节约人民币1226295元</p><p><br></p><p>六、安装注意事项及订货须知：</p><p><br></p><p>&nbsp; &nbsp; 除氧器排汽余热回收装置可以安装在工作平台上，也可以安装于水平地面上。在安装时，各管道的连接一定要严密无渗漏。并在设备外表面加60mm玻璃棉保温。</p><p>订货时请提供以下资料：</p><p>1、除氧器排汽口通径； &nbsp;&nbsp;</p><p>2、除氧器出力，工作压力，工作温度； &nbsp; &nbsp;</p><p>3、冷却水温度； &nbsp; &nbsp;</p><p>4、电厂要求的出水温度。</p><p><br></p></div>
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