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</script> </header> <script src="http://www.chem17.com/mystat.aspx?u=jsshengaohua"></script>  <div id="aqgwbbhhdpu" class="nybanner"><img src="/skins/257424/images/nybanner.jpg"></div>  <div id="aqgwbbhhdpu" class="h_search"> <div id="aqgwbbhhdpu" class="w1300 clear"> <div id="aqgwbbhhdpu" class="fr"> <form class="search clear" action="/products.html" id="form1" name="form1" method="post"> <input class="input fl" type="text" name="keyword" value="請(qǐng)輸入您要查詢(xún)的產(chǎn)品" autocomplete="off" onfocus="if(this.value=='請(qǐng)輸入您要查詢(xún)的產(chǎn)品'){this.value='';this.style.color='#a4ada9' }" onblur="if(this.value=='') if(this.value=='')" style="color: rgb(164, 173, 169);"> <input class="submit fl" type="submit" name="Submit" value="GO"> </form> </div> </div> </div>  <div id="aqgwbbhhdpu" class="ly_crumb"> <img src="/skins/257424/images/home.png"> <p>當(dāng)前位置：<a href="/">首頁(yè)</a> > <a href="/article.html">技術(shù)文章</a> > <span>各行業(yè)的水質(zhì)檢測(cè)相關(guān)要求有哪些？</span></p> </div>   <div id="aqgwbbhhdpu" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">各行業(yè)的水質(zhì)檢測(cè)相關(guān)要求有哪些？</h1> <div id="aqgwbbhhdpu" class="NyNewsdetail_tips">更新時(shí)間：2024-02-27 點(diǎn)擊次數(shù)：1339</div> <div id="aqgwbbhhdpu" class="NyNewsdetail_con" id="c_detail_wrap"> <p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">水是一切生命的源泉,隨著社會(huì)發(fā)展，人類(lèi)為了滿足生活及生產(chǎn)需求，需要不斷汲取大量的水?，F(xiàn)今除生活用水外，工業(yè)用水量也是不可小看，幾乎沒(méi)有哪一種工業(yè)不用水。</span></p><p><br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">一、工業(yè)用水是什么?</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">工業(yè)用水指工業(yè)生產(chǎn)過(guò)程中使用的生產(chǎn)用水及廠區(qū)內(nèi)職工生活用水的總稱(chēng)。生產(chǎn)用水主要用途是：</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">①原料用水，直接作為原料或作為原料一部分而使用的水；</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">②產(chǎn)品處理用水；</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">③鍋爐用水；</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">④冷卻用水等。</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">其中冷卻用水在工業(yè)用水中一般占60%～70%。工業(yè)用水量雖較大，但實(shí)際消耗量并不多，一般耗水量約為其總用水量的0.5%～10%，即有90%以上的水量使用后經(jīng)適當(dāng)處理仍可以重復(fù)利用。</span></p><p><br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">二、工業(yè)生產(chǎn)中對(duì)水質(zhì)有哪些要求</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">工業(yè)用水通常情況下有工藝用水、鍋爐用水、清洗用水及冷卻用水等，其中冷卻用水量平均占工業(yè)用水總量的67%，幾乎存在于各行各業(yè)中，如鋼鐵、冶金工業(yè)用大量水冷卻高爐、電爐等加熱爐的爐體；煉油、化工等生產(chǎn)中用大量水冷卻半成品、產(chǎn)品；紡織化纖廠中用大量水冷卻空調(diào)及冷凍系統(tǒng)等。但說(shuō)到這，不同用途的水，其要求也是不盡相同的。</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">工業(yè)用水的水質(zhì)要求應(yīng)滿足生產(chǎn)用途的需要，保證產(chǎn)品的質(zhì)量，同時(shí)不會(huì)產(chǎn)生副作用，造成生產(chǎn)故障，損害技術(shù)設(shè)備，所以不同的工業(yè)用水對(duì)水質(zhì)提出多方面的要求，規(guī)定出一定的水質(zhì)指標(biāo)。</span></p><p style="line-height: 3em; text-align: center;"><img src="https://img57.chem17.com/9/20240227/638446240660666761434.jpg" style="width:800px;"/></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">1.原料用水</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">主要指飲料、食品制造工業(yè)、電解水、醫(yī)藥、藥劑制造工業(yè)等。</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">(1)飲料、食品制造工業(yè)的水質(zhì)要求基本與生活飲用水相同。</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">特殊行業(yè)</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">釀酒工業(yè)：考慮對(duì)微生物發(fā)酵過(guò)程的影響，鈣鎂作為營(yíng)養(yǎng)料應(yīng)有一定量;Cl-促進(jìn)糖化作用50mg/L左右;NO2-在0.2以下，NO3-在5-25mg/L</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">(2)電解水、醫(yī)藥、藥劑制造工業(yè)要求含鹽量低，鐵錳盡量低，純水為佳。<br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></span></p><p><br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">2.產(chǎn)品工藝用水<br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">輕工業(yè)和化學(xué)工業(yè)：制糖、造紙、紡織、染色、人造纖維、有機(jī)合成等。在生產(chǎn)過(guò)程中，水本身并不進(jìn)入最終產(chǎn)物，但其所含成分可能進(jìn)入產(chǎn)品影響產(chǎn)品質(zhì)量。<br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></span></p><p><br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">制糖用水要求盡量少含有機(jī)物、含氮化合物、細(xì)菌等;精制糖常用純水;造紙用水對(duì)不同級(jí)別的紙有不同的水質(zhì)要求。渾濁度、色度、鐵錳以致鈣鎂會(huì)影響光潔度和顏色，氯化物和含鹽量影響紙的吸濕性;紡織染色工業(yè)對(duì)硬度和含鐵量要求較高，生成的沉積物會(huì)減弱纖維的強(qiáng)度，使染料分解變質(zhì)，色澤鮮明度降低。</span></p><p><br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">3.生產(chǎn)過(guò)程用水</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">不直接進(jìn)入產(chǎn)品，只是一般接觸或清洗表面，大多對(duì)產(chǎn)品質(zhì)量影響不大。這類(lèi)用水沒(méi)有共同的水質(zhì)要求，視具體用途提出不同標(biāo)準(zhǔn)。<br data-filtered="filtered" style="padding: 0px; margin: 0px;"/>a.油田注水：無(wú)沉積物，不致堵塞油層;<br data-filtered="filtered" style="padding: 0px; margin: 0px;"/>b.電鍍清洗用水：在金屬表面沒(méi)有沉積生成斑點(diǎn)，要求硬度、金屬離子、固體鹽類(lèi)含量盡量低。<br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></span></p><p><br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">4.鍋爐動(dòng)力用水</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">按鍋爐的壓力和溫度提出不同的要求，對(duì)硬度要求較高，易生成水垢;溶解氧會(huì)造成設(shè)備腐蝕;油脂會(huì)產(chǎn)生泡沫和促進(jìn)沉垢;游離CO2、pH、含鹽量、堿度、Cl-、SiO2、等與結(jié)垢、腐蝕、泡沫等有關(guān)。</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">工業(yè)鍋爐：以蒸汽做熱源或一般動(dòng)力，多為中低壓鍋爐，對(duì)水質(zhì)要求較低;<br data-filtered="filtered" style="padding: 0px; margin: 0px;"/>電站鍋爐：以蒸汽驅(qū)動(dòng)汽輪機(jī)，多為高壓甚至超高壓，同時(shí)要考慮蒸汽對(duì)汽輪機(jī)的沉積結(jié)垢和腐蝕問(wèn)題，對(duì)水質(zhì)要求十分嚴(yán)格。</span></p><p><br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">5.冷卻用水</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">基本要求：水溫盡可能低，不隨氣候劇烈變化;不產(chǎn)生水垢、泥垢等堵塞管路現(xiàn)象;對(duì)金屬無(wú)腐蝕性;不繁殖微生物和生物等。<br data-filtered="filtered" style="padding: 0px; margin: 0px;"/>無(wú)統(tǒng)一的標(biāo)準(zhǔn)，一般應(yīng)考慮藻類(lèi)、微生物、懸浮物、硬度鹽類(lèi)、溶解氣體、有機(jī)物、酸、油脂等項(xiàng)目。</span></p><p><br data-filtered="filtered" style="padding: 0px; margin: 0px;"/></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">6.純水和超純水</span></p><p style="line-height: 3em;"><span style="font-family: 隸書(shū), SimLi; font-size: 16px;">純水是指進(jìn)行一定深度除鹽處理的水，一般包括除鹽水、純水和超純水。<br data-filtered="filtered" style="padding: 0px; margin: 0px;"/>純水又稱(chēng)去離子水或深度除鹽水，含鹽量降到1.0mg/L以下，電導(dǎo)率降低到1-0.1μΩ/cm;超純水或高純水，是在進(jìn)一步除鹽外，還把水中的氣體、膠體、有機(jī)物、細(xì)菌等各種雜質(zhì)都去除到下限，含鹽量降到0.1mg/L以下，電導(dǎo)率降低到0.1μΩ/cm以下。</span></p><p><br style="font-size: 16px; text-wrap: wrap;"/></p><p><br/></p> </div> <div id="aqgwbbhhdpu" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/jsshengaohua-Article-3621104/">便攜式多參數(shù)水質(zhì)檢測(cè)儀的性能要求介紹</a></li> <li>下一篇：<a href="/jsshengaohua-Article-3615930/">如何正確使用BOD測(cè)定儀？</a></li> </ul> </div> </div>   <div id="aqgwbbhhdpu" class="foot_box"> <div id="aqgwbbhhdpu" class="footCon"> <div id="aqgwbbhhdpu" class="foot_t w1300"> <div id="aqgwbbhhdpu" class="foot_lv"> <div id="aqgwbbhhdpu" class="foot_logo"><img src="/skins/257424/images/foot_logo.png" /></div> <div id="aqgwbbhhdpu" class="foot_nav"> <ul> <li><a href="/">首頁(yè)</a></li> <li><a href="/products.html">產(chǎn)品中心</a></li> <li><a href="/aboutus.html" rel="nofollow">關(guān)于我們</a></li> <li><a href="/news.html">新聞中心</a></li> <li><a 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