zhimaiwaiyashibowenbuchangqixuanxingshiyaozhuyiyalidengji,baokuoshejiyaliheguandaoyali,zhimaibuchangqideedingyaliyingzhishaodayuguandaogongzuoyali,ruoguandaoyoufuya,yibanxuanzejiaqiangbowenguanjiegou。yibandingzhishianzhaoguandaoshejiyali1.5倍選擇壓力等級。還需考慮溫度範圍,介質溫度在400℃以內可用304材質,介質溫度大於400℃可用合金鋼,注意地埋土壤溫度溫差要與直埋波紋補償器密封材料相匹配。位移量計算要準確 ,軸向位移根據公式計算△L=a.L.△T(a表示管線材料膨脹係數,L表示管道分段長度,△T表示溫差即工作溫度與安裝溫度差),若補償器安裝在彎頭或或分支處,需增加多方位位移量。在選擇補償量時要預留出計算補償量20%左右。注意介質特性,若有腐蝕性介質考慮用316L材質或增加防腐塗層,還可加厚波紋管或增加導流筒。

直埋波紋補償器埋設條件是關鍵,一般要考慮土壤特性包括土壤類型和地下水位,不同土壤壓力係數|(k₀),直(zhi)接(jie)影(ying)響(xiang)套(tao)筒(tong)壁(bi)厚(hou)選(xuan)擇(ze),如(ru)腐(fu)蝕(shi)性(xing)土(tu)壤(rang)增(zeng)加(jia)防(fang)腐(fu)塗(tu)層(ceng)和(he)陰(yin)極(ji)保(bao)護(hu)。還(hai)需(xu)注(zhu)意(yi)地(di)下(xia)水(shui)位(wei),屬(shu)於(yu)高(gao)水(shui)位(wei)區(qu)域(yu),補(bu)償(chang)器(qi)密(mi)封(feng)係(xi)統(tong)波(bo)紋(wen)管(guan)和(he)填(tian)料(liao)層(ceng)需(xu)采(cai)用(yong)雙(shuang)重(zhong)密(mi)封(feng)。如(ru)果(guo)是(shi)高(gao)寒(han)地(di)區(qu),在(zai)套(tao)筒(tong)與(yu)波(bo)紋(wen)管(guan)之(zhi)間(jian)可(ke)添(tian)加(jia)防(fang)凍(dong)材(cai)料(liao),如(ru)矽(gui)油(you)等(deng)。埋(mai)設(she)深(shen)度(du)要(yao)注(zhu)意(yi),P=Y.H.(1+K₀),(Y表示土壤容重kN/m³,H表示埋深度m,K₀則表示靜止土壓力係數),zhimaibowenbuchangqikoujingdaxiaoyaoyuguankouxiangpipei,bimianwanquhuojiya,zhuyizhoubianhuanjing,ruoanzhuangzaijianzhuwuhuodixiaguanxianxuxuanzedigangdubuchangqiyijianxiaotuili。
河北中浩總結直埋波紋補償器選型步驟與選型誤區 ,首先要了解基礎數據壓力、溫度、介質、管徑和位移量,埋設條件土壤類型、埋設深度地下水位或外部載荷,進行初步選型。環境適配,若高鹽堿土壤選擇316bowenguanhezengjiafangfuceng。jinxinglixuexiaoyan,taotongzaifuzaiheyinglizhuangtai,bowenguanrexunhuancishuxudayuguandaoshoumingqirexunhuancishu。zhuyiteshugongkuangchuli,dizhendaizengjiaxianweilagan,fangzhidizhenzaochengweiyi。chenjiangchayi,kexuanzezhijiahuojiaolianpeiheshiyong。zhuyixuanxingwuqu,jinanzhaoguanjingxuanxing,hushiweiyifangxiang,hushianzhuangwenduyingxiang,weikaolvturangshifouhuitianjinmidu,songsanhuitianhuidaozhibowenguanjubuyinglijizhong。