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id="1r4jnamops" class="fr" style="margin:0px;"><a href="http://www.szztsd.com/xyzx.html" title="返回列表" ><img src="/skins/default/template/news/news01/img/common/article_btn.gif" alt="返回列表" /></a></span> <span>來(lái)源：興邦</span> <span id="1r4jnamops" class='m_qrinfo'><a href="http://www.szztsd.com/Mobile/MArticles/zmsjazbwgr.html" title="查看手機(jī)網(wǎng)址">查看手機(jī)網(wǎng)址</a><div id="1r4jnamops" class='m_qrcode'><em>掃一掃!</em><img src="http://nswcode.nsw88.com/?qc=8dd84307afe274a5&url=http://www.szztsd.com/Mobile/MArticles/zmsjazbwgr.html" alt="直埋式聚氨酯保溫管如何選擇溫度補(bǔ)償方案---了解溫度補(bǔ)償?shù)脑? title="直埋式聚氨酯保溫管如何選擇溫度補(bǔ)償方案---了解溫度補(bǔ)償?shù)脑? /><em>掃一掃!</em></div></span> <span>瀏覽：<span id="cntrHits">-</span></span> <span>發(fā)布日期：2020-03-20 17:06:39【<a href="javascript:;" onclick="ChangeFontSize(this,'16px')">大</a> <a class="cur" href="javascript:;" onclick="ChangeFontSize(this,'14px')">中</a> <a href="javascript:;" onclick="ChangeFontSize(this,'12px')">小</a>】</span> </div> </div> </div> <div class="1r4jnamops" id="cntrBody"><p style="text-indent: 28px;line-height: 150%"> <span style=";font-family:宋體;line-height:150%;font-size:14px">溫度補(bǔ)償器是指當(dāng)<a href="/Products/zmxjazbgf.html" target="_blank">直埋式聚氨酯保溫管</a>因溫度變化后，可以增加管道柔性、減少熱應(yīng)力的彎曲管道或可伸縮的裝置。通過(guò)安裝補(bǔ)償器能在較大程度上使直埋式聚氨酯保溫管的管道應(yīng)力減小、同時(shí)吸收管道的熱伸長(zhǎng)量。隨著使用量的加大，溫度會(huì)逐漸上升，工作鋼管會(huì)因加熱效應(yīng)產(chǎn)生伸長(zhǎng)量，此時(shí)補(bǔ)償器將被壓縮而發(fā)揮作用。</span> </p> <p style="text-align: center; line-height: 150%;"> <span style=";font-family:宋體;line-height:150%;font-size:14px"><img src="/uploadfiles/pictures/news/20200320170739_2842.jpg" title="聚氨酯直埋保溫管發(fā)貨現(xiàn)場(chǎng)" alt="聚氨酯直埋保溫管發(fā)貨現(xiàn)場(chǎng)" /><br /> </span> </p> <p style="text-indent: 28px;line-height: 150%"> <span style=";font-family:宋體;line-height:150%;font-size:14px"><a href="/Products/zmxjazbgf.html" target="_blank">直埋式聚氨酯保溫管</a>在敷設(shè)中分為無(wú)補(bǔ)償和有補(bǔ)償兩種形式</span> </p> <p style="text-indent: 28px;line-height: 150%"> <span style=";font-family:宋體;line-height:150%;font-size:14px">無(wú)補(bǔ)償敷設(shè)：無(wú)補(bǔ)償敷設(shè)是指在直埋式聚氨酯保溫管在敷設(shè)施工過(guò)程中不再采取任何溫度補(bǔ)償措施（一次性溫度補(bǔ)償器等），在施工中直接降直埋式聚氨酯保溫管敷設(shè)于已設(shè)溝槽中，敷設(shè)完成后按相關(guān)的規(guī)定要求直接填土夯實(shí)。其特點(diǎn)是通過(guò)直埋式聚氨酯保溫管管體直接與周圍的土壤接觸，在受溫度升降產(chǎn)生熱脹冷縮的情況是，依靠管體外置的高密度聚乙烯外護(hù)管與土壤間產(chǎn)生的較大摩擦力，使得直線管段能處于錨定狀態(tài)，僅會(huì)在彎管、出土段等自然的過(guò)渡段內(nèi)產(chǎn)生位移。無(wú)補(bǔ)償敷設(shè)的優(yōu)勢(shì)在于施工思路明確且構(gòu)造簡(jiǎn)單，能在很大程度上減少施工量和經(jīng)濟(jì)消耗，但與有補(bǔ)償敷設(shè)直埋不同，無(wú)補(bǔ)償敷設(shè)在溫度變化下產(chǎn)生的是軸向應(yīng)力，而非產(chǎn)生位移，軸向應(yīng)力的大小則取決于管道自身的強(qiáng)度承受能力。</span> </p> <p style="text-indent: 28px;line-height: 150%"> <span style=";font-family:宋體;line-height:150%;font-size:14px">有補(bǔ)償敷設(shè)：有補(bǔ)償敷設(shè)是在直埋式聚氨酯保溫管敷設(shè)線路中設(shè)置各類補(bǔ)償器、固定支架等附件來(lái)吸收、減小直埋式聚氨酯保溫管因溫度變化所產(chǎn)生的熱應(yīng)力。在敷設(shè)過(guò)程中，若土壤摩擦力過(guò)大，管道不能自由的受熱脹冷縮變化，使管體產(chǎn)生過(guò)大的軸向應(yīng)力，經(jīng)相關(guān)計(jì)算得出不允許出現(xiàn)錨固段時(shí)，則必須采用有補(bǔ)償敷設(shè)法。在通常情況下如若直管管段不超過(guò)無(wú)固定點(diǎn)法允許安裝長(zhǎng)度的兩倍，可采用補(bǔ)償器兩端不設(shè)置固定點(diǎn)的無(wú)固定點(diǎn)法；若超過(guò)允許的最大長(zhǎng)度的兩倍，則需增設(shè)補(bǔ)償器，直管段上的補(bǔ)償器間距不等超過(guò)允許安裝長(zhǎng)度的兩倍；有固定點(diǎn)法增是要求在補(bǔ)償器兩端設(shè)置固定點(diǎn)，且補(bǔ)償器直接間距不得超過(guò)管道允許的安裝長(zhǎng)度。</span> </p> <p style="text-indent: 28px;line-height: 150%"> <span style=";font-family:宋體;line-height:150%;font-size:14px">綜合來(lái)看，在<a href="/Products/zmxjazbgf.html" target="_blank">直埋式聚氨酯保溫管</a>自身強(qiáng)度允許的情況下，無(wú)補(bǔ)償敷設(shè)法不論是出于施工成本還是施工難度都是要優(yōu)于有補(bǔ)償敷設(shè)法；而在有補(bǔ)償敷設(shè)法中，無(wú)固定點(diǎn)法是要由于有固定點(diǎn)法。因此，在實(shí)際的施工過(guò)程中，如若條件允許，則應(yīng)優(yōu)先選擇無(wú)補(bǔ)償敷設(shè)法進(jìn)行施工作業(yè)，當(dāng)客觀條件不允許時(shí)才應(yīng)考慮采用有補(bǔ)償法來(lái)開(kāi)展施工作業(yè)。</span> </p> <p style="text-indent: 28px;line-height: 150%"> <span style=";font-family:宋體;line-height:150%;font-size:14px"><span style="text-indent: 28px; word-spacing: -1.5px;">唐山興邦管道工程設(shè)備有限公司始建于1995年，是一家專注生產(chǎn)高品質(zhì)</span><a href="/" target="_blank" style="text-indent: 28px; word-spacing: -1.5px;">聚氨酯保溫管</a><span style="text-indent: 28px; word-spacing: -1.5px;">的企業(yè)，公司總占地23萬(wàn)㎡，擁有標(biāo)準(zhǔn)化生產(chǎn)車間4個(gè)，總占地10萬(wàn)㎡。公司的質(zhì)量控制執(zhí)行CNAS管理體系，通過(guò)實(shí)施“三檢制”的檢驗(yàn)手段有效控制產(chǎn)品質(zhì)量，使用戶采購(gòu)到性能更加優(yōu)良的產(chǎn)品。咨詢熱線</span><b style="text-indent: 28px; word-spacing: -1.5px;"><span style="color: rgb(255, 0, 0);">400-700-1995</span></b><span 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