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type="hidden" value='375' /> </div> <div id="n0unthv8m8v" class="zx_middle"> <div id="n0unthv8m8v" class="zx_from"> <p><span></span></p> </div> <div id="n0unthv8m8v" class="zx_from2"> <p><a href="/index.php?m=content&c=rss" target="_blank"><img src="/statics/images/ico11-1.gif" alt="RSS訂閱" /></a> 【<a href="javascript:;" onClick="$j('cntrBody').css('font-size','16px')">大</a> <a href="javascript:;" onClick="$j('cntrBody').css('font-size','14px')">中</a> <a href="javascript:;" onClick="$j('cntrBody').css('font-size','12px')">小</a>】</p> </div> </div> <div id="n0unthv8m8v" class="clear"></div> <div class="n0unthv8m8v" id="cntrBody" class="zx_txt"> <p style="box-sizing:border-box;margin-top:0px;margin-bottom:10px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;"> 實(shí)際上在板式換熱器的使用過(guò)程中，在所難免會(huì)出現(xiàn)水垢，那么針對(duì)于這些水垢究竟應(yīng)該怎樣去處理呢？接下來(lái)板式換熱器清洗廠家為大家簡(jiǎn)單介紹下，關(guān)于板式換熱器清洗水垢的技術(shù)要求吧。 </p> <p style="box-sizing:border-box;margin-top:0px;margin-bottom:10px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;text-align:center;"> <span style="font-family:"font-size:14px;white-space:normal;"> 1、酸洗溫度：通過(guò)提升酸洗溫度有助于提升除垢效果，倘若溫度太高就會(huì)加劇酸洗液對(duì)于換熱器板片的腐蝕，之后通過(guò)反復(fù)試驗(yàn)會(huì)發(fā)現(xiàn)，酸洗溫度需要控制在60~E為適宜。</span> </p> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;"> </div> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;"> 2、酸洗液濃度：需要根據(jù)反復(fù)的試驗(yàn)得出結(jié)果，酸洗液應(yīng)按甲酸81.O％、水17.O％、緩沖劑1.2％、表面活性劑0.8％的濃度配制，清洗效果。 </div> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;"> </div> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;"> 3、酸洗方法：酸洗方法需采用靜態(tài)浸漬與動(dòng)態(tài)循環(huán)相結(jié)合的方法。酸洗時(shí)間以2h靜態(tài)浸泡為主，3~4h動(dòng)態(tài)循環(huán)為主。這種酸洗過(guò)程需要頻繁地對(duì)酸洗濃度進(jìn)行采樣化驗(yàn)，當(dāng)相鄰兩個(gè)化驗(yàn)濃度差在0.2%以下時(shí)，可認(rèn)為酸洗反應(yīng)已結(jié)束。 </div> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;"> </div> <p style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;"> 4、鈍化處理:酸洗結(jié)束后，板式換熱器表層的水垢和金屬氧化物大部分溶解脫落，新金屬暴露，容易腐蝕，因此酸洗后需要鈍化換熱器板。 </p> <p style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;"> <br /> </p> <p style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;"> <br /> </p> <p style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"font-size:14px;white-space:normal;"> <p class="p" 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