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href='http://m.58812.cn/hyzx/'>行業(yè)資訊</a> > <a href='http://m.58812.cn/hyzx/gs/'>公司新聞</a> > </div> </div> <div id="5sbsdi8m6l" class="clear"></div> <div id="5sbsdi8m6l" class="blk-sm fl"> <div id="5sbsdi8m6l" class="p14-infocontent-1 blk"> <h1 class="p14-infocontent-1-tit">pvc塑料通風(fēng)管打樁及焊接工作的異常狀況</h1> <div id="5sbsdi8m6l" class="p14-infocontent-1-sour"> <span> 作者：admin </span> <span> 編輯：admin </span> <span> 來源：未知 </span> <span> 2022-12-10 10:15 </span> </div> <div id="5sbsdi8m6l" class="p14-infocontent-1-desc endit-content"><p> <div> pvc塑料通風(fēng)管打樁及焊接工作的異常狀況</div> <div> </div> <div> <a href="http://m.58812.cn/"><strong>pvc塑料通風(fēng)管</strong></a>反響器主要由兩個封閉的環(huán)形管道組成，反響的混合漿料由軸流泵驅(qū)動，并在環(huán)管內(nèi)活動。pvc塑料通風(fēng)管樁連接時，樁的上下段應(yīng)保持直線，錯位誤差不該***于2mm。在使用pvc塑料通風(fēng)管連接時，應(yīng)在焊接前確認(rèn)管樁接頭合格，清洗上、下端板的外表，用鐵刷擦洗溝槽，直至金屬光澤，消除油污和銹蝕，飽和粘土粉土基坑開挖應(yīng)在打樁15天后進(jìn)行。關(guān)于管樁外徑***于800mm的管樁，應(yīng)選用內(nèi)外焊的焊接形式。</div> <div> </div> <div> pvc塑料通風(fēng)管焊接應(yīng)在坡口周長4~6點上進(jìn)行對稱點焊，當(dāng)上下樁接頭固定時，拆下環(huán)再進(jìn)行層對稱焊接，焊接可選用手藝焊或二氧化碳?xì)怏w維護(hù)焊，焊接層數(shù)應(yīng)為3層，內(nèi)層焊接渣有必要在外層前整理，焊縫應(yīng)是完整的、接連的，有必要通過焊根進(jìn)行。焊接接頭自然冷卻后方可打入，冷卻時不該少于8分鐘，禁止用水冷卻樁或焊后當(dāng)即冷卻樁。Fpvc塑料通風(fēng)管樁切斷時，切樁后應(yīng)采納有用措施，確保管樁質(zhì)量。</div> <div> </div> <div> <img alt="pvc塑料通風(fēng)管" src="/uploads/allimg/221210/1-221210101602Q8.jpg" style="width: 500px; height: 281px;" /></div> <div> </div> <div> 在切樁應(yīng)選用鋸切裝置，禁止***錘橫樁改動樁力拉切樁。在工程中應(yīng)盡量減少連接樁，待樁尖穿過硬土層后再進(jìn)行連接樁。樁尖應(yīng)接近硬質(zhì)持力層或樁尖應(yīng)連接在硬質(zhì)***力層內(nèi)，任一單樁接頭數(shù)量不宜超越3根。pvc塑料通風(fēng)管應(yīng)用水沖刷，以查看該管道沿線是否有異常狀況、排水狀況及設(shè)備毛病，以及是否有水質(zhì)出現(xiàn)問題。在卸貨后，應(yīng)盡量一起封閉進(jìn)料門和出水口。</div> <div> </div> <div> 當(dāng)進(jìn)入門封閉后，所有出口門都可以封閉。取水樣進(jìn)行測驗，沖刷日子飲用水，在放水后，將管道中的水儲存24小時以上，然后進(jìn)行測驗。在拆卸洗刷設(shè)備，清洗消毒，及時撤除臨時設(shè)備，查看pvc塑料通風(fēng)管的現(xiàn)場，恢復(fù)原有設(shè)備。pvc塑料通風(fēng)管具有杰出的隔聲***性，能顯著地降低液體活動引起的振動和噪聲，防止冷裂，原材料延展性高，促進(jìn)管件和管件截面與凍脹液一起上升，熱損害小。</div> <br></div> <div 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