ʻO ke kūkulu ʻana i ka pahu sima ma nā ʻano ʻelua.Centrifugation papahele mua.Maikaʻi no nā paipu i hoʻopaʻa ʻia me ka hana DN400 caliber a i ʻole.Akā ʻo ka hoʻoheheʻe ʻana i lalo, hoʻohana nui ʻia i ka DN700 diameter pipeline corrosion construction ma luna o ka honua.
ʻO ka hoʻoheheʻe ʻana o ka paipu sima: kahi hui ʻana o ka sima, ke one a me ka wai, i kapa ʻia ʻo ka mortar sima.ʻO ka mea maʻamau i kapa ʻia ʻo 1: 3 ciment mortar me 1 ʻāpana sima a me 3 ʻāpana one me ka ʻoiaʻiʻo, me ka nānā ʻole ʻana i ke ʻano o ka wai, maʻamau i ka ratio o kahi 0.6, ʻo ia ka 0.6: 1: 3 ka hoʻohana ʻana i ka mortar sima i ke kūkulu ʻana. nā papahana i loko, ka papa mua a me ka pā pōhaku, ka poloka pōhaku i hoʻohana ʻia ma ke ʻano he mea hoʻopili, e like me ka ʻōpala pōhaku, nā pōhaku ʻulaʻula e hoʻohana ai i ka mortar sima;hoʻohana ʻia ka lua no ka hoʻopili ʻana i loko a me waho.ʻO ka pahu sima ke hoʻohana ʻia, hoʻohui pinepine lākou i nā mea hoʻohui e like me ka micro-foaming agent, ka pauka wai wai e hoʻomaikaʻi ai i kāna hana a me ka viscosity.ʻO ka pahu sima ma ke ʻano e hui pū ai i nā pōhaku, lilo lākou i kaʻa.ʻO ka ikaika o ka pahu sima ka manaʻo e nā ʻano maʻamau no ka hana ʻana a me ka mālama ʻana i nā specimen cube, i ka makahiki 28d, kahi waiwai i ana ʻia e ka Standard Test Method for Compressive Strength o ka mahele holoʻokoʻa.Aia i loko o ka mea he mau mīkini puhi kila, ʻekolu PE wili mea, PE paipu ʻeleʻele a melemele nā mīkini huki, one-blasting lako, polyurethane Low Fat Kee, pahu pahu, FRP wili mīkini, ʻelua PE uhi, sima corrosion insulation mortar spraying. nā mīkini a me nā mea hana ho'āʻo ancillary.Hiki i ka hui ke hana i ka paipu kila hoʻokahi a me ʻelua paipu fusion i hoʻopaʻa ʻia epoxy pauka (FBE), pālua polyethylene (2PE) a me ʻekolu polyethylene (3PE), pālua polypropylene (2PP), a me ʻekolu poly propylene (3PP), ka lanahu tar epoxy pipe coating, polyurethane ʻO ka hoʻoheheʻe ʻia ʻana o ka paipu i kanu mua ʻia, ʻeleʻele a me ka melemele ʻaʻahu hoʻoheheʻe paipu, IPN8710 corrosion anti-corrosion coating polymer, epoxy pipe corrosion, polyethylene pipe corrosion kiʻekiʻe, corrosion o ka sima mortar lining, prefabricated kanu ʻia ka paipu insulation corrosion a me nā papahana ʻē aʻe.
ʻO ka pahu pahu sima ka hana: Ma muli o ka paipu kila i hoʻopiha ʻia me ke kaʻa, hiki ke komo i ka nui o ka wela, no laila ʻo ka pauku kaula i ka wā i hoʻoili ʻia i ke ahi wela kahua mahele, e hoʻonui ana i ke kia o ke ahi-kūpaʻa, lohi wela o nā kolamu kila, a i ka manawa e hāʻawi mai ai i nā kolamu kila, hiki i ke kaʻa ke kū i ka hapa nui o ka ukana axial, e pale ai i ka hāʻule ʻana o ka hale.E piʻi aʻe ke kūpaʻa ahi o ka lāʻau composite e like me ka hoʻololi ʻana o ka mahana o ka lāʻau kila mai ka ʻaoʻao o luna o ka wela i ka piʻi ʻana o ke kaʻa.Hōʻike nā ʻikepili hoʻokolohua: hiki ke mālama ʻia a hiki i 3 mau hola ke hoʻohālikelike ʻia me nā kolamu kila 1/3 a 2/3 a ʻoi aku paha, me ka piʻi ʻana o ke anawaena paipu, e mālama i ka pena.
Ka manawa hoʻouna: Sep-16-2019