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电预热安?/span>

应用(chui)域

主要应用于城镇供热管|中q行温度不超q?40 ℃的热水预制(sui)埋(qi)温?/a>(lang)(lu)是目(ju)前国际上先进的预制直(nuo)保温管无补(guo)K应力安(zuo)方(gui)?/span>



适(yao)范(fu)

1. 预热(geng)径(duan)DN1600mmQ?/span>

2. 不同口径的预(rou)(duo)(wu)(nuo)(yu)(liao)温管U可(chi)同时预热Q?/span> 

3. 不连l的预制直埋保温线可同旉(jie);

4. 替(kua)旧管|中损(zeng)的补偿器Q?/span>

5. 不具备(pian)(yun)沟施工条(xi)的预(tong)安装?/span>

(yue)装原理

工作钢管(huan)(chu)ؓ电(dian)Q(ben)(ben)通过늼(hao)工(huan)钢(geng)(geng)(geng)(geng)与电(dian)(jie)设备连()Ş成回路,(hao)钢(geng)(geng)(geng)(geng)温(fu)(qian)(qian)(qian)加(ji)(jie)到设计(chui)热温度Q(ben)(ben)(wu)ɽ(geng)(geng)(geng)(geng)道(wang)(wang)(wang)产生(duo)(juan)定拉(mei)(qian)(qian)(qian)力(qian)(qian)Q(ben)(ben)(lian)生u向位U)Q(ben)(ben)(han)填后Q(ben)(ben)(han)保(se)(fu)(geng)(geng)(geng)(geng)道(wang)(wang)(wang)工作(geng)(geng)(geng)(geng)、保温层、外护管(juan)(yi)壤摩(na)力(qian)(qian)(huan)用(juan)ɽ(geng)(geng)(geng)(geng)道(wang)(wang)(wang)保(se)此拉(mei)(qian)(qian)(qian)力(qian)(qian)。当保(se)(fu)(geng)(geng)(geng)(geng)道(wang)(wang)(wang)q行Ӟ随着介质温度的升高,原拉(mei)(qian)(qian)(qian)力(qian)(qian)逐渐减小Q(ben)(ben)(han)介质温度辑ֈ电(dian)(jie)安装温(fu)(qian)(qian)(qian)时Q(ben)(ben)(wu)温管道(dun)(mei)(qian)(qian)(qian)力(qian)(qian)(juan)零(yi)Q(ben)(ben)(wu)(zhou)(lu)温(fu)(qian)(qian)(qian)再(ai)升高Q(ben)(ben)管道生压(qian)(qian)(qian)力(qian)(qian)Q(ben)(ben)(wu)(zhou)(lu)温(fu)(qian)(qian)(qian)达到设计温(fu)(qian)(qian)(qian)时(geng)(geng)(geng)(geng)道(wang)(wang)(wang)产生(duo)的压(qian)(qian)(qian)力(qian)(qian)(hao)于(geng)(geng)(geng)(geng)道(wang)(wang)(wang)许用(qian)(qian)(qian)力(qian)(qian)Q(ben)(ben)(wu)而(wu)(xuan)管道的完(han)?/span>

施工工艺特点Q?/span>

1. 提前释(cong)(qi)温道热胀(hong)ŞQ降低运行时(chen)作(hu)管(qi)向(cheng)应力Q?/span>

2. (she)供(jie)管|(xiang)(kui)计、施工时(hong)以(hong)消l大(ting)分的补偿器(xia)固(yue)支(man)等附g(huan)Q(ben)降(huan)管|(xiang)工E(fu)投资(che)提高(pei)网E(fu)_性和长期(huan)用寿命(mo)Q(ben)?/span>

3. (sui)对于无(xi)补偿冷安装来(xuan)_可减(shi)道壁厚(fan)降(zhan)初(se)投资Q?/span>

4. (fu)少补偿器的使用便于后期(jie)网l(zi)护Q(ben)低维护成(lian)

5. 电预热安装施(dan)(chen)方便快(kai)P(chen)期短,降低(geng)施(jie)成本(long)?/span>




君业U技电预?a href="//yinwine.cn/supply/129.html" target="_blank">安装现场?


电预热安(pan)装原理(gong)


覆土()预热安装示意图(wei)


(suo)沟(jue)()预(jie)安(pan)(mao)示(yi)图(wei)