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height="38"></dt> <dd><span>咨詢熱線</span><p>19102155068</p></dd> </dl> </div> <div class="pro_r" data-sticky_column=""> <div class="right_title"> <div class="mbx"> <ul class="breadcrumbs"> <a href="http://www.laurynandrade.com">首頁</a> > <a href="http://www.laurynandrade.com/news.html">新聞中心</a> > <a href="http://www.laurynandrade.com/hynews.html">行業新聞</a></ul> <b>您所在的位置：</b><div class="clear"></div> </div> </div> <div class="newCont" id="news_detail"> <div class="conts"> <h1>pp風管清潔和保護工作</h1> <div class="time">作者：零遠環保???時間：2022-02-17 19:13:11</div> <div class="new_conts" id="new_conts"> <p>　　<a href="http://www.laurynandrade.com" target="_self">pp風管</a>清潔和保護工作</p><p>　　pp風管主要用于工業和建筑工程，應用領域主要包括:無塵車間凈化系統的電子行業、醫藥和食品無菌車間凈化系統、酒店、工廠、寫字樓、購物中心空調系統、工業污染控制與灰塵、煙霧和排風管道,工業環境中,如石油抽吸或送風管,煤礦排水氣體與排水氣體系統,煤礦的環境控制是送回風系統。</p><p>　　pp排風管清潔和保護工作：</p><p>　　1.安裝前，應清除內外雜物，并做好pp排風管清潔和保護工作。</p><p>　　2.安裝的位置，標高，走向，應符合設計要求?，F場pp排風管接口的配置，不得縮小其有效截面。</p><p>　　3.連接法蘭的螺栓應均勻擰緊，其螺母宜在同一側。</p><p>　　4.風管接口的連接應嚴密，牢固。pp排風管法蘭的墊片不應凸入管內，不容易突出法蘭外。</p><p>　　5.柔性短管的安裝，應松緊適度，無明顯扭曲。</p><p>　　6.風管與磚，混凝土風道的連接接口，應順著氣流方向插入，并應采取密封措施。pp排風管穿出屋面應設有防雨裝置</p><p>　　pp排風管是以樹脂為基體材料，pp排風管及其制品為增強材料，石英砂為填料的新型復合材料。由于其優良的耐腐蝕性、水力特性、重量輕、強度高、輸送流量大、安裝方便、施工周期短、綜合投資低等特點，是化工及排水工程的良好選擇。</p><hr/><p>　　PP風管高速擠壓進行穿孔工藝</p><p>　　PP風管作為一種新型水管材料，具有很大的優勢。它既可以用作冷管，也可以用作熱水管。由于它無毒、質輕、耐壓、耐腐蝕，正成為一種流行的材料。</p><p>　　焊管是將合格的板材軋制成管形，再進行電阻焊或埋弧自動焊而成，通常情況之下，小口徑PP風管采用這種方法加工。外徑大于100mm的PP管通常稱為小直徑管，外徑小于100毫米的管稱為大直徑管。壁外徑比不大于0.2的金屬管稱為薄壁管，厚度大于0.2的金屬管稱為厚壁管。薄壁管和厚壁管的區別在于折射的剪切波能否到達管的內壁。PP風管可能存在的缺陷也可以通過對檢查進行取樣來監測。</p><p>　　PP風管是制造鍋爐、壓力容器、壓力管道等特種設備的主要原材料。為了保證其運行，通常需要進行超聲波檢測。PP風管按添加方式有所不同，可分為無縫鋼管和焊管；PP風管按材質有所不同，按管徑可分為金屬竹管和非金屬管，它可以分為大直徑管和小直徑管，常用的缺陷與加工方法有關。PP風管采用沖孔法和高速擠壓法生產無縫鋼管，穿孔方法是用穿孔機穿孔，同時用軋輥滾壓，用芯棒軋機滾壓壓平。</p><p>　　PP風管管輕，焊接工藝簡單，施工方便，綜合造價低，現在廣泛使用。它對大多數化學物質都具有耐腐蝕性，可以被高濃度的酸和堿腐蝕，其酸堿度在1-14之間，范圍很廣。輸送礦漿時，其耐磨性是鋼管的4倍以上，是許多管道工程中的特殊材料。</p><p><br/></p></div> 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