|
<span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; ">水垢的形成一般是由于钙镁离子以及碳酸根等,在水达到一定的温度时沉淀堆积而成的。含有水垢的水一般叫做硬水,锅炉水垢处理的方法大多是采用</span><span href="tools/ajax.aspx?t=topicswithsametag&tagid=158" class="t_tag" style="margin: 0px; padding: 0px; line-height: 24px; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(255, 0, 0); cursor: pointer; white-space: nowrap; color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; ">锅炉水处理</span><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; ">药剂来去除水中的离子,衡量锅炉水处理药剂的工作标准就是看其是否能够在锅炉内有效发挥阻垢和缓蚀两大作用。阻垢主要是指对锅炉本体的阻垢,而缓蚀的对象包括锅炉本体以及蒸汽所通过的</span><span href="tools/ajax.aspx?t=topicswithsametag&tagid=175" class="t_tag" style="margin: 0px; padding: 0px; line-height: 24px; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(255, 0, 0); cursor: pointer; white-space: nowrap; color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; ">管道</span><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; ">,</span><span href="tools/ajax.aspx?t=topicswithsametag&tagid=174" class="t_tag" style="margin: 0px; padding: 0px; line-height: 24px; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(255, 0, 0); cursor: pointer; white-space: nowrap; color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; ">热交换器</span><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; ">和凝结水管道等。 锅炉结垢原因</span><br style="margin: 0px; padding: 0px; line-height: 24px; color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; "><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; "> 锅炉水中的钙镁离子是主要的成垢离子,目前市场上所使用的锅炉大都配有</span><span href="tools/ajax.aspx?t=topicswithsametag&tagid=176" class="t_tag" style="margin: 0px; padding: 0px; line-height: 24px; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(255, 0, 0); cursor: pointer; white-space: nowrap; color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; ">离子交换器</span><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; ">来去除它们。但水中其它的一些</span><span href="tools/ajax.aspx?t=topicswithsametag&tagid=177" class="t_tag" style="margin: 0px; padding: 0px; line-height: 24px; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(255, 0, 0); cursor: pointer; white-space: nowrap; color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; ">溶解性</span><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; ">盐类由于锅水的浓缩蒸发,浓度不断增大,仍有超出其溶解度而结垢的可能。特别是在烟管等高温部位,由于水的急烈汽化,很可能引起某些盐类因局部浓度过高而结晶析出。这就是许多使用</span><a href="http://baike.soso.com/v59910744.htm" target="_blank" style="margin: 0px; padding: 0px; color: rgb(51, 102, 153); line-height: 24px; font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; "><font color="#0000ff" style="margin: 0px; padding: 0px; line-height: 24px; ">锅炉软水处理设备</font></a><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; ">制备的软化水的锅炉仍结垢的原因。</span><br style="margin: 0px; padding: 0px; line-height: 24px; color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; "><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; "> 虽然这种结垢现象可通过增加排污量得到缓解,但这一方面浪费大量的能源,另一方面由于排污量的增大使得锅水碱度下降,常常低于国家标准的下限,加快了腐蚀的速度。所以,对锅炉水采取适当的锅炉水垢处理措施是十分必要的。</span><br style="margin: 0px; padding: 0px; line-height: 24px; color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; "><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; "> </span><a href="http://www.guolushui.com/zixun/hydt/772.html" target="_blank" style="margin: 0px; padding: 0px; color: rgb(51, 102, 153); line-height: 24px; font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; "><font color="#0000ff" style="margin: 0px; padding: 0px; line-height: 24px; ">锅炉水处理药剂</font></a><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; ">使用方法</span><br style="margin: 0px; padding: 0px; line-height: 24px; color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; "><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; "> 如锅炉配有除氧器则加药口应设在除氧器的出口端,若无除氧器则加药口设在软水箱的出口处,加药前先化验加药口出水的碱度、硬度、溶解氧、含盐量、含铁量指标,然后计算出加入锅炉水处理药剂的浓度,根据给水泵的流量,调整加药泵的加药速度。加药泵与给水泵联动。</span><br style="margin: 0px; padding: 0px; line-height: 24px; color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; "><span style="color: rgb(68, 68, 68); font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; line-height: 24px; "> 向锅炉炉体内投放锅炉水处理药剂一般是在进行锅炉水处理之前投加,原因是锅炉宜腐蚀与结垢,不能充分吸收,烟气热量和大量烟气热量延后,导致余热锅炉排烟温度过高,造成余热严重浪费,降低了锅炉软化水装置的安全稳定性,降低了其中的经济效益。</span> |
|