金屬波紋膨脹節的種類有很多可分為內壓型、外壓型、複式型、直埋型、拉杆型和無約束型等類型。金屬波紋管主要用來補償軸向橫向及角向位移量,具有補償量大、經濟實用的特點。
在安裝金屬
波紋膨脹節前qian,固gu定ding支zhi架jia未wei做zuo牢lao固gu,出chu現xian了le支zhi架jia位wei移yi的de現xian像xiang後hou,金jin屬shu膨peng脹zhang節jie運yun行xing時shi直zhi接jie被bei管guan道dao拉la壞huai。管guan道dao設she計ji的de補bu償chang量liang與yu金jin屬shu膨peng脹zhang節jie實shi際ji承cheng受shou的de補bu償chang量liang有you出chu入ru,可ke以yi理li解jie為wei金jin屬shu膨peng脹zhang節jie的de補bu償chang量liang小xiao於yu管guan道dao熱re脹zhang冷leng縮suo的de補bu償chang量liang,運yun行xing時shi也ye會hui直zhi接jie把ba金jin屬shu膨peng脹zhang節jie損sun壞huai。
金屬波紋膨脹節設計的工作壓力小於管道內的介質實際產生的工作壓力,運行金屬膨脹節時,會出現損壞。針對以上三種金屬
膨脹節changjiandesunhuaixianxiang,xiwangguangdayonghuyaojishibimian,dinggoujinshupengzhangjieqian,luoshiheduihaogexiangjishucanshu,quebaogoumaiyushejixiangfu,anzhuanghaojinshupengzhangjiehounenggouzhengchangyunxing。
youdejinshubowenpengzhangjiexuyaojiashangdaoxiangtongzhuyaoyongyujianxiaoliutiduibowenguanneibiaomianchongshuaheliutideyalisunshi,zhuyaoyongyushusonggaosuliutideguandao。anzhuangdaiyouneichentongdebuchangqishi,xugenjujiezhiliuxianghanyushebeiketihuoguandaoshangdehanfeng,weiyuliutishangyou,qiewuzhuangfan。junhenghuan:用來增強波穀和波側壁耐內壓能力並使各波壓縮位移均勻的“T”型截麵圓環,另有一種加強環,在U型波紋管中用來增強波穀耐壓能力的圓形或圓環形截麵部件。導向螺栓(又稱限位螺栓):連lian接jie在zai補bu償chang器qi上shang,主zhu要yao用yong於yu限xian製zhi金jin屬shu波bo紋wen管guan在zai正zheng常chang工gong作zuo狀zhuang態tai下xia的de位wei移yi範fan圍wei,一yi旦dan主zhu固gu定ding支zhi架jia失shi效xiao,限xian位wei螺luo栓shuan須xu承cheng受shou全quan部bu內nei壓ya推tui力li,同tong時shi還hai能neng防fang止zhi波bo紋wen管guan過guo度du伸shen長chang。固gu定ding螺luo栓shuan:用於防止波紋管在運輸途中因顛簸而損壞,在現場當補償器安裝完畢後即需拆除。
在金屬波紋膨脹節的工作中,它的壽命主要是由該補償器所承受的應力決定的;yibanwomenzaiduiyinglidaxiaodejiangdifangmianyoubowenbuchangqigongzuoshideweiyiliangyijiyalilaishixian。dangwomenyunxujinshubowenguanfashengweiyishiyaorangbowenbuchangqideweiyiliangxiaoyugongzuoshideyali。genjubowenbuchangqigongzuoyalidebutong,jinshubowenguandeweiyichengshouzhouxiangzaiheshi,tadeweiyiliangyaocongjinshubowenguande10%——40%進行擇取,當遇到橫向或者扭轉與綜合受力的時候,金屬波紋管的位移量要相應的減小。