浙江至德鋼業(ye)有限公司技術人(ren)(ren)員了(le)解到(dao)國外某海邊新建工(gong)廠(chang),工(gong)廠(chang)用(yong)(yong)水(shui)是(shi)由海水(shui)除(chu)氯離子(zi)后使用(yong)(yong),配管(guan)設計人(ren)(ren)員認為(wei)已經增(zeng)加(jia)了(le)配套的除(chu)氯離子(zi)裝置,選用(yong)(yong)普通(tong)碳鋼管(guan)子(zi),并(bing)布置在地面上。但是(shi),根據所(suo)在國家的規范條文(wen)解釋描述,這種海水(shui)除(chu)氯離子(zi)水(shui)并(bing)非全部除(chu)去了(le)氯離子(zi),不能選用(yong)(yong)普通(tong)碳鋼管(guan)道(dao)(dao),必須使用(yong)(yong)玻(bo)(bo)璃(li)鋼管(guan)道(dao)(dao)。因詳細設計已經進行到(dao)80%階段,不宜再埋地敷(fu)設玻(bo)(bo)璃(li)鋼管(guan)道(dao)(dao),配管(guan)設計人(ren)(ren)員認為(wei)玻(bo)(bo)璃(li)鋼管(guan)道(dao)(dao)如果在地上敷(fu)設則管(guan)材易老化。
但是(shi),根據AWWA M45《玻(bo)(bo)(bo)璃(li)(li)鋼(gang)管(guan)(guan)(guan)設(she)計規(gui)范(fan)》、AWWA C950-01《玻(bo)(bo)(bo)璃(li)(li)纖(xian)(xian)維壓(ya)力管(guan)(guan)(guan)道(dao)(dao)(dao)(dao)》、API Spec 15LR《低壓(ya)玻(bo)(bo)(bo)璃(li)(li)鋼(gang)管(guan)(guan)(guan)道(dao)(dao)(dao)(dao)和管(guan)(guan)(guan)件》、API Spec 15HR《高(gao)壓(ya)玻(bo)(bo)(bo)璃(li)(li)纖(xian)(xian)維管(guan)(guan)(guan)線管(guan)(guan)(guan)規(gui)范(fan)》、APIRP 15TL4《玻(bo)(bo)(bo)璃(li)(li)纖(xian)(xian)維管(guan)(guan)(guan)的(de)維護與使用推薦作法》、ASTM D2996-01《長(chang)絲纏(chan)繞(rao)玻(bo)(bo)(bo)璃(li)(li)纖(xian)(xian)維(玻(bo)(bo)(bo)璃(li)(li)纖(xian)(xian)維增(zeng)強熱(re)固性(xing)樹(shu)脂)管(guan)(guan)(guan)道(dao)(dao)(dao)(dao)標(biao)(biao)準規(gui)范(fan)》、ASTM D2992《玻(bo)(bo)(bo)璃(li)(li)纖(xian)(xian)維(增(zeng)強的(de)熱(re)固樹(shu)脂玻(bo)(bo)(bo)璃(li)(li)纖(xian)(xian)維)管(guan)(guan)(guan)及(ji)配件用液體靜壓(ya)設(she)計基礎標(biao)(biao)準實施規(gui)程》、ASTM D2996-01《長(chang)絲纏(chan)繞(rao)玻(bo)(bo)(bo)璃(li)(li)纖(xian)(xian)維(玻(bo)(bo)(bo)璃(li)(li)纖(xian)(xian)維增(zeng)強熱(re)固性(xing)樹(shu)脂)管(guan)(guan)(guan)道(dao)(dao)(dao)(dao)標(biao)(biao)準規(gui)范(fan)》等(deng)規(gui)范(fan),玻(bo)(bo)(bo)璃(li)(li)鋼(gang)管(guan)(guan)(guan)道(dao)(dao)(dao)(dao)完(wan)全(quan)可以布置在地面上,可以選用不(bu)怕太(tai)陽直曬的(de)玻(bo)(bo)(bo)璃(li)(li)鋼(gang)管(guan)(guan)(guan)道(dao)(dao)(dao)(dao)。玻(bo)(bo)(bo)璃(li)(li)鋼(gang)管(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的(de)質(zhi)量約是(shi)普通碳鋼(gang)的(de)20%~30%,熱(re)膨(peng)脹系數是(shi)普通碳鋼(gang)管(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的(de)3倍左右(you)。