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<li id="8enkcqhtxhju" class="kefu2"><img src="/template/dingzhi/images/tellx.png" class="img100"></li> <div id="8enkcqhtxhju" class="b10"></div> <p>銷售一部：0531-88760590</p> <p>銷售二部：0531-88786527</p> <p>寧經(jīng)理：18853131830, 15553139909</p> <p>王經(jīng)理：18615581926</p> <p>工廠地址：濟(jì)南高新區(qū)孫村鎮(zhèn)大正路與世紀(jì)大道交叉口東50米</p> <p>銷售地址：山東省濟(jì)南市高新區(qū)聯(lián)合財(cái)富廣場(chǎng)1號(hào)樓907</p> </ul> </div> </div> <div id="8enkcqhtxhju" class="col-md-9 col-xs-12 col-sm-12"> <div id="8enkcqhtxhju" class="neiye-right"> <div id="8enkcqhtxhju" class="lanmudao flash-move"><span id="8enkcqhtxhju" class="jjian display-pc not-display-600">魯東環(huán)保<font></font></span><span id="8enkcqhtxhju" class="youdao"><a href="/">首頁(yè)</a> >> <a href="/news/">新聞中心</a> >> <a href="/news/jishu/">技術(shù)文章</a></span></div> <div id="8enkcqhtxhju" class="newText"> <div id="8enkcqhtxhju" class="b40"></div> <h1 class="H1 flash-move">緩蝕劑的使用 </h1> <div id="8enkcqhtxhju" class="newTextDiv clearfix flash-move"> <h2 class="H2">發(fā)布時(shí)間：2023-08-29 15:23:25</h2> <h2 class="H2">作者：魯東環(huán)保</h2> </div> <div id="8enkcqhtxhju" class="newTextCon flash-move"> <p style="text-indent: 2em;"><span style="font-size: 20px; font-family: 宋體, SimSun;">冷卻水系統(tǒng)金屬材料的腐蝕，多采用投加緩蝕劑將金屬的腐蝕率降低到可以接受的程度來(lái)控制。那么你知道緩蝕劑應(yīng)該如何選擇和使用嗎？今天魯東小編帶大家一同學(xué)習(xí)緩蝕劑的使用。</span></p><p style="text-indent: 2em;"><span style="font-size: 20px; font-family: 宋體, SimSun;">緩蝕劑是這樣一類物質(zhì)：在腐蝕環(huán)境中添加少量的此類物質(zhì)，可以將金屬材料所受的腐蝕減少。緩蝕劑的這種減少腐蝕的性能稱為緩蝕作用。由于添加緩蝕劑的量不多，能減緩腐蝕，所在工業(yè)上應(yīng)用較廣,冷卻水系統(tǒng)的防腐蝕，主要使用緩蝕劑。</span></p><p style="text-indent: 2em;"><strong><span style="font-size: 20px; font-family: 宋體, SimSun;">緩蝕劑的品種較多，循環(huán)冷卻水系統(tǒng)用的緩蝕劑主要分為鈍化劑、沉淀膜劑和吸附膜劑，今天我們來(lái)簡(jiǎn)單學(xué)習(xí)這幾種藥劑。</span></strong></p><p style="text-indent: 2em;"><strong><span style="font-size: 20px; font-family: 宋體, SimSun;">1、鈍化劑</span></strong></p><p style="text-indent: 2em;"><span style="font-size: 20px; font-family: 宋體, SimSun;">無(wú)機(jī)氧化劑。鈍化劑作用于金屬表面時(shí)使金同表面生成耐腐蝕的氧化膜，使陽(yáng)極電位向惰性方向移動(dòng)。鈍化劑使陽(yáng)極電位移動(dòng)的幅度為十分之幾伏到一伏左右，可以提高了金屬的耐腐蝕性能。</span></p><p style="text-indent: 2em;"><span style="font-size: 20px; font-family: 宋體, SimSun;">非氧化性的物質(zhì)，如聚磷酸鹽等，使氧的吸附分壓升高，使部分OH<sup>-</sup>取代部分H<sup>+</sup>,降低溶解氧和吸附氫之間的反應(yīng)傾向，幫助實(shí)現(xiàn)金屬的鈍化，屬鈍化劑。</span></p><p style="text-indent: 2em;"><strong><span style="font-size: 20px; font-family: 宋體, SimSun;">2、沉淀膜劑</span></strong></p><p style="text-indent: 2em;"><span style="font-size: 20px; font-family: 宋體, SimSun;">沉淀膜主要覆蓋在陰極而起陰極極化作用的稱為陰極型緩蝕</span><span style="font-family: 宋體, SimSun; font-size: 20px; text-indent: 2em;">劑；沉淀膜主要覆蓋在陽(yáng)極起陽(yáng)極極化作用的稱為陽(yáng)極型緩蝕劑；在陽(yáng)陰兩極都生成沉淀膜，使陰陽(yáng)兩極都發(fā)生極化作用的稱為混合型緩蝕劑。一般來(lái)說(shuō)，混合型緩蝕劑的緩蝕效果比陰極型或陽(yáng)極型緩蝕劑好。</span></p><p style="text-indent: 2em;"><strong><span style="font-size: 20px; font-family: 宋體, SimSun;">3、吸附膜劑</span></strong></p><p style="text-indent: 2em;"><span style="font-size: 20px; font-family: 宋體, SimSun;">多數(shù)為有機(jī)緩蝕劑，吸附膜劑投加到冷卻水中，可以富集于金屬材料表面并取向排列，親水基團(tuán)吸附在金屬表面而親油基團(tuán)朝向腐蝕環(huán)境，形成一層膜，將腐蝕環(huán)境和金屬隔開,從而減小金屬受到的腐蝕。</span></p><p style="text-indent: 2em;"><span style="font-size: 20px; font-family: 宋體, SimSun;">緩蝕劑的性能除由本身的性質(zhì)決定外，還受用量、用法以及環(huán)境因素的影響，適用的范圍也不盡相同，后續(xù)魯東小編會(huì)帶大家一起學(xué)習(xí)。</span></p><p style="text-indent: 0em; text-align: center;"><span style="font-size: 20px; font-family: 宋體, SimSun;"><img src="/static/upload/image/20230829/1693291771790244.jpg" alt="網(wǎng)站一.jpg"/></span></p> </div> <div id="8enkcqhtxhju" class="more_tit"> <h3 class="t1">產(chǎn)品推薦</h3> <div id="8enkcqhtxhju" class="lin"></div> </div> <div id="8enkcqhtxhju" class="b20"></div> <div id="8enkcqhtxhju" class="more-list"> <div id="8enkcqhtxhju" class="col-md-3 mp5"> <a href="/product/fstscl/974.html"><img src="/static/upload/image/20230814/1692001638806079.jpg" alt="反滲透膜修復(fù)劑LD-XF001" class="img100"> <p>反滲透膜修復(fù)劑LD-XF001</p> </a> </div> <div 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