大號地熱管的優點:
大(da)(da)型地(di)熱(re)(re)管(guan)(guan)(guan)重量輕,強(qiang)度(du)高,便于(yu)運輸(shu)和安裝。大(da)(da)號地(di)熱(re)(re)管(guan)(guan)(guan)的(de)水(shui)力學特性(xing)(xing)具(ju)有優異,內(nei)壁表面光滑(hua)流(liu)體流(liu)動(dong)阻力小。管(guan)(guan)(guan)道(dao)不(bu)易結垢,大(da)(da)型地(di)熱(re)(re)管(guan)(guan)(guan)道(dao)長期(qi)使用(yong)(yong)(yong)仍保持內(nei)壁光滑(hua)。大(da)(da)號地(di)熱(re)(re)管(guan)(guan)(guan)具(ju)有耐(nai)腐蝕(shi)性(xing)(xing)能好,能在通過強(qiang)酸強(qiang)堿以(yi)及環(huan)境中使用(yong)(yong)(yong)。無(wu)滲漏,大(da)(da)號地(di)熱(re)(re)管(guan)(guan)(guan)之間不(bu)存(cun)在一個二次環(huan)境污染的(de)可能,可采用(yong)(yong)(yong)食品級樹脂進行生產。大(da)(da)號地(di)熱(re)(re)管(guan)(guan)(guan)具(ju)有耐(nai)高溫抗寒(han)凍(dong),設計(ji)可以(yi)使用(yong)(yong)(yong)以(yi)及壽命長可達50年以(yi)上。大(da)(da)型地(di)熱(re)(re)管(guan)(guan)(guan)道(dao)的(de)熱(re)(re)導率(lv)小于(yu)0.02。