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class="phh9jdd" id="main_right"> <div class="vn91tdp" id="content_lm"><span>你現在的位置：<a >網(wǎng)站首頁(yè)</a> > <a title="新聞中心">新聞中心</a> > <a title="我們的動(dòng)態(tài)">我們的動(dòng)態(tài)</a> > </span>我們的動(dòng)態(tài)</div> <div class="nf19999" id="content" class="single-p"> <div id="9njjvr1" class="title">鍋爐清洗化學(xué)清洗回路的依據</div> <div id="v9dbjvd" class="info"> <small>更新時(shí)間：</small>2020-09-20 16:13:46 </div> <div id="hr1vrfz" class="desc">鍋爐清洗化學(xué)清洗回路的依據是對鍋爐結構充分的了解，所有部位管子的走向、結垢程度、通斷面積都必須清楚。鍋爐清洗這樣***可以確定是采取一...</div> <div class="xn9v911" id="textarea"> 鍋爐清洗化學(xué)清洗回路的依據是對鍋爐結構充分的了解，所有部位管子的走向、結垢程度、通斷面積都必須清楚。鍋爐清洗這樣***可以確定是采取一個(gè)回路還是幾個(gè)回路，每一個(gè)回路的通斷面積多大，可能達到的流速是多少?同時(shí)，回路的設計盡可能讓結垢嚴重的部位流速高一些。鍋爐內清洗介質(zhì)的流運回路確定之后，***可以根據回路要求尋找合適的進(jìn)液口和出液口以及排污出口，同時(shí)還可確定如何對鍋爐進(jìn)行“改造”，把被清洗部位“孤立”出來(lái)，以及同外部酸洗設備聯(lián)接的臨時(shí)管線(xiàn)的設計。這樣，化學(xué)清洗的整個(gè)回路方案***確定了。系統設計的工作也***完成了。<br /> 　　.備料<br /> 　　清洗工藝和系統設計確定之后，***可以進(jìn)行備料。所需準備的東西大致可分成三類(lèi):<br /> 　　(1)清洗設備和材料:有酸泵、酸箱、溫度計、流量計，小型耐酸計量泵、無(wú)縫鋼管，聯(lián)接法蘭、閥門(mén)以及各種電器設備、電源等。<br /> 　　(2)化學(xué)藥品及設備:有堿洗、酸洗、鈍化各環(huán)節的藥品，化學(xué)監測用的藥品及各種儀器及設備。堿洗和鈍化用藥品的數量，根據工藝確定的濃度和整個(gè)清洗回路的容積進(jìn)行計算，再加5～10%的系數即可。酸洗藥品的用量(主要是酸)則需根據鍋爐結垢的總量(估計值)進(jìn)行計算，并根據垢量判斷的******程度打一個(gè)保險系數，以免由于垢量估計不準而在清洗時(shí)酸量不足而影響清洗進(jìn)程。緩蝕劑的用量可根據選用濃度及整個(gè)容積計算得到。在一般的情況下，由于酸的消耗而補充酸時(shí)不需補加緩蝕劑。但如果中途排放過(guò)酸液再補充酸時(shí)，***必須補足由于排酸而損失掉的緩蝕劑。<br /> 　　(3)操作工具及安全防護用品:包括管道、電工、化學(xué)操作的各種工具，以及化學(xué)清洗工程中必備的安全防護用品 </div> </div> <div id="1bzflhv" class="preNext"> <div id="fpzxfjp" class="line"> <strong></strong> </div> <ul class="text"> <li> 上一篇：<a href="/index.php?m=content&c=index&a=show&catid=32&id=46" title="鍋爐清洗化學(xué)清洗劑在原油換熱器清洗中的應用">鍋爐清洗化學(xué)清洗劑在原油換熱器清洗中的應用</a> </li> <li> 下一篇：已經(jīng)沒(méi)有了 </li> </ul> </div> </div> <div id="nxb9999" class="clear"></div> </div> <div id="t9lzfr9" class="footer"> <div id="vfrh1zn" class="f-nav wow fadeInDown"> <a href="/index.php?m=content&c=index&a=lists&catid=19">關(guān)于我們</a> 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