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id="h9bpkuijf" class="ly_crumb"> <img src="/skins/30724/images/crumb_icon.png" /><p>當(dāng)前位置：<a href="/">首頁(yè)</a> > <a href="/article.html">技術(shù)文章</a> > <span>聯(lián)氨除氧加藥裝置機(jī)電一體化結(jié)構(gòu)形式可實(shí)現(xiàn)設(shè)備的缺水自動(dòng)報(bào)警</span></p> </div> <div id="h9bpkuijf" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">聯(lián)氨除氧加藥裝置機(jī)電一體化結(jié)構(gòu)形式可實(shí)現(xiàn)設(shè)備的缺水自動(dòng)報(bào)警</h1> <div id="h9bpkuijf" class="NyNewsdetail_tips">更新時(shí)間：2019-08-08 點(diǎn)擊次數(shù)：2163</div> <div id="h9bpkuijf" class="NyNewsdetail_con"> <p><span style="font-size:14px"><strong> 組合式聯(lián)氨除氧加藥裝置</strong>產(chǎn)品廣泛應(yīng)用于鍋爐給水系統(tǒng)的除氧加藥。</span></p><p><span style="font-size:14px"> 該加藥裝置，采用機(jī)電一體化結(jié)構(gòu)形式，每套加藥裝置均配有攪拌系統(tǒng)、貯存系統(tǒng)、加藥系統(tǒng)和電力控制系統(tǒng)。幾種固定式組合成一個(gè)整體，加上低液位報(bào)警系統(tǒng)，可實(shí)現(xiàn)設(shè)備的缺水自動(dòng)報(bào)警。</span></p><p><strong style="font-size:14px; line-height:1.6em">氨除氧加藥裝置</strong><span style="font-size:14px; line-height:1.6em">產(chǎn)品特點(diǎn)</span></p><p><span style="font-size:14px"> 本裝置主要包括藥液計(jì)量泵系統(tǒng)、溶配系統(tǒng)、計(jì)量投加系統(tǒng)、安全系統(tǒng)和控制系統(tǒng)等五部分。<br /> 聯(lián)氨由水射器吸入計(jì)量系統(tǒng)，然后按比例加入溶配系統(tǒng)與除鹽水或凝結(jié)水混均勻，由計(jì)量投加系統(tǒng)投加到鍋爐給水中。投加控制可采用手動(dòng)方式，也可依據(jù)上位系統(tǒng)輸出的控制信號(hào)，進(jìn)行隨動(dòng)控制，自動(dòng)投加。本裝置不僅能夠投加聯(lián)氨稍作改動(dòng)后，還能夠投加碳酰肼、二甲基酮N、乙醛肟等其他除氧劑。</span></p><p><span style="font-size:14px">除氧的方法有熱力除氧和化學(xué)除氧兩種。一般都以熱力除氧為主，化學(xué)除氧僅起輔助作用。低壓鍋爐一般只用熱力除氧，但用于高壓鍋爐除氧時(shí)，仍需輔以化學(xué)除氧――大多加聯(lián)氨。(鍋爐參數(shù)4.1Mpa以上)<br />1. 聯(lián)氨是還原劑，它與氧的反應(yīng)如下:<br />N2H4+O2=2H2O+N2<br />2. 同時(shí)聯(lián)氨在蒸汽中的分解產(chǎn)物主z要是氨和氮，其反應(yīng)如下:<br />3 N2H4=N2+4NH3z<br />過(guò)多氨在有氧的情況下會(huì)對(duì)銅管腐蝕，如果在給水系統(tǒng)中，同時(shí)存在氧和二氧化碳，則鋼的腐蝕就更嚴(yán)重，因?yàn)檠醯碾姌O電位高，氧化能力很強(qiáng)，而二氧化碳呈微酸性，破壞保護(hù)膜，因此腐蝕速度加快，但用聯(lián)氨除氧，氨過(guò)剩量很小，少量氨與蒸汽中二氧化碳中和，對(duì)防止腐蝕還能起好的作用。<br />3.在高壓鍋爐過(guò)熱蒸汽中(510~540℃)，聯(lián)氨被分解為無(wú)害物質(zhì)。聯(lián)氨在中、低壓爐過(guò)熱蒸汽中不能全部分解。<br />4.部分聯(lián)氨還與系統(tǒng)中氧化鐵與氧化銅反應(yīng)生成保護(hù)膜，即聯(lián)氨的還原性可使三價(jià)鐵轉(zhuǎn)成二價(jià)鐵或磁性氧化鐵，使二價(jià)銅轉(zhuǎn)換成亞銅型式。同時(shí)氧化亞鐵比氧化鐵更易分散，所以返回鍋爐去的鐵將處于更易溶解而不易積聚狀態(tài)，從而可通過(guò)排污很容易地從系統(tǒng)中排出。<br />5.鍋爐運(yùn)行時(shí)省煤器入口段的氧腐蝕一般比較嚴(yán)重，而出口段較輕。除氧器運(yùn)行正常時(shí)，給水輔以化學(xué)除氧，往往可以避免省煤器的氧腐蝕。</span></p><p><br /><span style="font-size:14px"><span style="color:#FF0000">主要特點(diǎn)：</span><br />1.功能配置全，安全性高，性能穩(wěn)定<br />2.集裝式，便于運(yùn)輸、安裝、維護(hù)<br />3.獨(dú)立電控箱，便于安裝調(diào)試（亦可配置遠(yuǎn)程/自動(dòng)控制）</span></p> </div> <div id="h9bpkuijf" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-569752.html">seko定量加藥泵性能可靠而且投藥穩(wěn)定性強(qiáng)</a></li> <li>下一篇：<a href="/Article-569746.html">混凝劑加藥裝置在半自動(dòng)配置基礎(chǔ)上進(jìn)行了改進(jìn)</a></li> </ul> </div> </div>  <div id="h9bpkuijf" class="ly_foot"> <div id="h9bpkuijf" class="ly_Ftmain"> <div id="h9bpkuijf" class="ly_Ftcon"> <div id="h9bpkuijf" class="ly_FtLeft"> <ul> <li> <div id="h9bpkuijf" class="Ft_tit">關(guān)于我們</div> <a 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