ʻEkolu papa PE anti-corrosion hoʻolālā o ka pipeline: ʻo ka papa mua o ka epoxy pauka (FBE> 100um), ka papa lua o ka adhesive (AD) 170 ~ 250um, a me ke kolu o ka papa polyethylene (PE) 2.5 ~ 3.7mm.
ʻO ka paipu mālama wela he paipu kila i hanaʻia e ke kaʻina hana mālama wela e hōʻoia i ka hoʻokōʻana o ka mahana o loko a me ka mahana o ka paipu kila hana i nā koi lawelawe ma lalo o ka hana o nāʻano hana likeʻole a me nā media waho.
E like me ka helu ʻana o nā keʻena kūpono, ʻo ka maʻamau, hiki i ka polyurethane insulated steel pipe ke hoʻemi i ke kumukūʻai o ka papahana ma kahi o 25% (e hoʻohana ana i ka FRP ma ke ʻano he pale pale) a me 10% (hoʻohana ʻana i ka polyethylene kiʻekiʻe kiʻekiʻe ma ke ʻano he pale pale).
ʻO ke kiʻekiʻe wela prefabricated i kanu pono ʻia ka paipu insulation he ʻano o ke kanu pono ʻana i ka paipu insulation prefabricated me ka hana insulation maikaʻi, palekana a me ka hilinaʻi a me ke kumu kūʻai haʻahaʻa.
ʻO loko epoxy outer polyethylene anticorrosive steel pipe he ʻano hou o ka paipu hoʻohuihui kila kila. Hoʻokumu ʻia ia me ka substrate paipu kila, ka uhi i loko o ka resin epoxy a me ka uhi waho polyethylene.
ʻO ka mea kumu o ka paipu kila anticorrosive 3PE me ka paipu kila maʻemaʻe, ka paipu kila spiral a me ka paipu kila seam pololei.
3PE anti-corrosion a me ka wela insulation kila paipu i maikai thermal insulation hana, a me ka wela lilo he 25% wale no o na paipu kahiko.
Hoʻokaʻawale ʻia ka paipu kila i loko o ke anuanu galvanized steel pipe a me ka hot-dip galvanized steel pipe. Ua pāpā ʻia ka paipu kila galvanized anuanu, a ua ʻōlelo ʻia ka mea hope e ka mokuʻāina e hoʻohana no ka manawa pōkole.
No ka mea, ʻo ka paipu kila wela wela, ua kiʻekiʻe loa ka nui o ka galvanized. ʻOi aku ka mānoanoa awelika o ka papa galvanized ma mua o 65 microns, a ʻokoʻa loa kona kūpaʻa corrosion mai ka paipu galvanized wela.
ʻO ka paipu kila anticorrosive e pili ana i ka paipu kila i hana ʻia e ke kaʻina anticorrosive, hiki ke pale a hoʻolohi paha i ka hanana corrosion i hana ʻia e ke kemika a i ʻole ka hopena electrochemical i ka wā o ka lawe ʻana a me ka hoʻohana ʻana.