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alt="直埋式聚氨酯保溫管如何選擇溫度補償方案---了解溫度補償?shù)脑? title="直埋式聚氨酯保溫管如何選擇溫度補償方案---了解溫度補償?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="eoaimkcye4" 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。通過安裝補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、同時吸收管道的熱伸長量。隨著使用量的加大，溫度會逐漸上升，工作鋼管會因加熱效應(yīng)產(chǎn)生伸長量，此時補償器將被壓縮而發(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" alt="聚氨酯直埋保溫管發(fā)貨現(xiàn)場" /><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)中分為無補償和有補償兩種形式</span> </p> <p style="text-indent: 28px;line-height: 150%"> <span style=";font-family:宋體;line-height:150%;font-size:14px">無補償敷設(shè)：無補償敷設(shè)是指在直埋式聚氨酯保溫管在敷設(shè)施工過程中不再采取任何溫度補償措施（一次性溫度補償器等），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。其特點是通過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)，僅會在彎管、出土段等自然的過渡段內(nèi)產(chǎn)生位移。無補償敷設(shè)的優(yōu)勢在于施工思路明確且構(gòu)造簡單，能在很大程度上減少施工量和經(jīng)濟消耗，但與有補償敷設(shè)直埋不同，無補償敷設(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">有補償敷設(shè)：有補償敷設(shè)是在直埋式聚氨酯保溫管敷設(shè)線路中設(shè)置各類補償器、固定支架等附件來吸收、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)過程中，若土壤摩擦力過大，管道不能自由的受熱脹冷縮變化，使管體產(chǎn)生過大的軸向應(yīng)力，經(jīng)相關(guān)計算得出不允許出現(xiàn)錨固段時，則必須采用有補償敷設(shè)法。在通常情況下如若直管管段不超過無固定點法允許安裝長度的兩倍，可采用補償器兩端不設(shè)置固定點的無固定點法；若超過允許的最大長度的兩倍，則需增設(shè)補償器，直管段上的補償器間距不等超過允許安裝長度的兩倍；有固定點法增是要求在補償器兩端設(shè)置固定點，且補償器直接間距不得超過管道允許的安裝長度。</span> </p> <p style="text-indent: 28px;line-height: 150%"> <span style=";font-family:宋體;line-height:150%;font-size:14px">綜合來看，在<a href="/Products/zmxjazbgf.html" target="_blank">直埋式聚氨酯保溫管</a>自身強度允許的情況下，無補償敷設(shè)法不論是出于施工成本還是施工難度都是要優(yōu)于有補償敷設(shè)法；而在有補償敷設(shè)法中，無固定點法是要由于有固定點法。因此，在實際的施工過程中，如若條件允許，則應(yīng)優(yōu)先選擇無補償敷設(shè)法進(jìn)行施工作業(yè)，當(dāng)客觀條件不允許時才應(yīng)考慮采用有補償法來開展施工作業(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㎡，擁有標(biāo)準(zhǔn)化生產(chǎn)車間4個，總占地10萬㎡。公司的質(zhì)量控制執(zhí)行CNAS管理體系，通過實施“三檢制”的檢驗手段有效控制產(chǎn)品質(zhì)量，使用戶采購到性能更加優(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 style="text-indent: 28px; word-spacing: -1.5px;">。</span></span> </p></div> <div id="eoaimkcye4" class="clear"></div> <div id="eoaimkcye4" class="gduo" id="gduo"> <span>下一篇：<a title="保證直埋式聚氨酯保溫安全運行的第一步--合理的地?zé)峁こ淌┕ぐ才? href="http://www.hzspei.com/Article/bzzmsjazbw.html">保證直埋式聚氨酯保溫安全運行的第一步--合理的地?zé)峁こ淌┕ぐ才?/a></span> 上一篇：<a title="安裝別大意---直埋式聚氨酯保溫管的施工技巧" href="http://www.hzspei.com/Article/azbdyzmsja.html">安裝別大意---直埋式聚氨酯保溫管的施工技巧</a> </div> </div> <div id="eoaimkcye4" class="n_info_con2"> <h4 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