?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 贵州水惔排水在q用中遇到的问题 - 遵义?jng)井萍؜凝土有限公?/title> <meta name="Keywords" content=""> <link href="/template/60032/css/style.css" rel="stylesheet" type="text/css" /> <link href="/template/60032/css/css_con.css" rel="stylesheet" type="text/css" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <h1><a href="http://www.bjjhd.cn/">日本成人精品视频网站一区,欧美久久久久久久一区二区三区,欧美亚洲综合在线一区,亚洲一级精品视频在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><abbr id="tpqyu"><sub id="tpqyu"><delect id="tpqyu"><acronym id="tpqyu"></acronym></delect></sub></abbr><source id="tpqyu"></source><bdo id="tpqyu"><b id="tpqyu"><acronym id="tpqyu"></acronym></b></bdo><bdo id="tpqyu"><delect id="tpqyu"><strong id="tpqyu"></strong></delect></bdo><rt 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href='http://www.bjjhd.cn/news/154.html'>http://www.bjjhd.cn/news/154.html</a> 发布日期Q?021-08-13 </div> <div id="iifmdou" class="news_content"> <span style="font-size:16px;font-family:SimSun;">    <a target="_blank" href="http://www.bjjhd.cn/news/154.html"><a href="http://www.bjjhd.cn/supply/24.html" target="_blank">贵州水惔排水?/a>在运用中遇到的问?/a></span><br /> <span style="font-size:16px;font-family:SimSun;">    1、支扉K?<a href="http://www.bjjhd.cn/supply/61.html" target="_blank">水惔排水?/a>可能承受许多U外力的作用,包括本n的重量、流体的压力作用在管端的推力、风雪蝲荗土壤压力、热胀L(fng)引v的热应力、振动蝲荷和地震灑֮{?Z(jin)保证道的强度和刚度,讄各种支架,如活动支架、固定支架、导向支架和弹簧支架{?支架的设|根据管道的直径、材质、管子壁厚和载荷{条件决?固定支架用来分段控制道的热伔R,使膨胀节均匀工作.</span><br /> <span style="font-size:16px;font-family:SimSun;">    2、坡度和排液排气:Z(jin)排除凝结?蒸汽和其他含水的气体道应有一定的坡度,一般不于千分之二.对于利用重力动的地下水?a href="http://www.bjjhd.cn/psg/" target="_blank">排水?/a>?坡度不小于千分之?蒸汽或其他含水的气体道讄排水或疏水阀,某些气体道q设有气水分d,以便?qing)时排去水?防止内产生水击和阻气体流?l水或其他液体管道设有排气装|?排除U存在管道内的空气或其他气体,以防止气阻造成q行失常.</span><br /> <span style="font-size:16px;font-family:SimSun;">    3、通行问题:地面上的道应尽量避免与道\、铁路和航道交叉.在不能避免交叉时,交叉处跨的高度也应能行h和R?*通过.C的管道一般沿道\敯,各种道之间保持适当的距?以便安装和维?供热道的表面有保温?敯在地沟或保护内,应避免被土压坏和使管子能膨胀Ud.</span><br /> <span style="font-size:16px;font-family:SimSun;">    4、保温和加热:对于蒸汽道、高温管道、低温管道以?qing)有防烫、防冻要求的道,需要用保温材料包覆在管道外?防止内??量的损失或生冻l?对于某些高凝固点的液体管?为防止液体太_或凝固而媄(jing)响输?q需要加热和保温.常用的保温材料有水惔珍珠岩、玻璃棉、岩和x藻土等.</span><br /> <span style="font-size:16px;font-family:SimSun;">    5、补偉K?道如不能自由地伸羃,׃(x)产生巨大的附加应?因此在温度变化较大的道和需要有自由位移的常温管道上,需要设|膨胀?使管道的伸羃拥有补偿而消除附加应力的影响.</span><br /> </div> <div id="v7orqlo" class="pagess"> <ul> <div>上一?<a href="155.html">q_水惔在施工时可以有哪些Ҏ(gu)?</a></div> <div>下一?<a href="153.html">如何判定水惔等水惔制品的质?/a></div> </ul> </div> <div id="st8da5t" class="info_key"> <span>此文关键字:(x)</span> <a href='/key.aspx?k=%e6%8e%92%e6%b0%b4%e7%ae%a1'>排水?/a>, </div> </div> <div id="nnbrr8t" class="clear"></div> <div id="zjzjf0n" class="cateslist xgxinwen"> <dl> <dt>相关新闻</dt> <dd> <div id="dvcsala" class="txt xiangguan-x"><a 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