Nā Paipu PPH Kūlana Kiʻekiʻe a me nā mea pono 1/2-8 - 3 Way & Tee Kaulike

N. He aha ka mea PPH
1. Homopolymer polypropylene mea
ʻO ka mea PPH he mea homopolymer polypropylene i hoʻololi ʻia e β, nona ke kūpaʻa kemika maikaʻi loa, ke kū ʻana o ka wela kiʻekiʻe, ke kū ʻana o ka hopena, a me ke kūpaʻa creep maikaʻi. ʻO ka mea PPH (Polypropylene Homeo), ʻike ʻia hoʻi he homo polypropylene, he ʻano like ʻole a me ka maʻalahi o ka beta crystal structure ma o ka hoʻololi ʻana i ka β, e hōʻike ana i ka maikaʻi o ka pale ʻana i ka corrosion, abrasion resistance, high temperature resistance, corrosion resistance, aging resistance and good insulation. ʻAʻole hoʻohana nui ʻia kēia mea i nā ʻoihana e like me ka ʻenekinia kemika, nā mea uila, nā hale kūʻai lāʻau lapaʻau, a me ka mālama ʻana i ka wai ʻino, akā he mau noi nui nō hoʻi i nā kula he nui ma muli o kāna mau waiwai kino a me nā kemika. Hana ʻia nā paipu a me nā papa PPH i nā mea hana ʻino a hoʻohana nui ʻia i nā kula e like me ka ʻenekinia kemika, metallurgy, a me nā uila, e hōʻike ana i kā lākou hana maikaʻi loa a me ka waiwai noi ākea.

2. ʻO nā hiʻohiʻona nui o nā mea PPH: ʻO ke kūpaʻa wela maikaʻi loa: hiki ke kū i nā wahi wela kiʻekiʻe, mālama i ke kūpaʻa a me ka lōʻihi.
ʻO ke kūpaʻa paʻi maikaʻi: kūpono no ka hoʻohana ʻana i nā wahi kiʻekiʻe, e hōʻoiaʻiʻo ana i ka hana palekana o ka ʻōnaehana.
Ke kū'ē kemika: He kū'ē maikaʻi kona i nā mea kemika like ʻole, e hoʻonui i ke ola lawelawe o ka mea.
ʻO ke ola lōʻihi: Ma muli o ka hana maikaʻi loa i ʻōlelo ʻia ma luna nei, ʻoi aku ka lōʻihi o ka lawelawe ʻana o nā huahana i hana ʻia me ka PPH.
Eia kekahi, loaʻa i nā mea PPH nā mea maikaʻi o ka nontoxicity, non decay, a me ka non scaling, e hoʻohana nui ʻia a hoʻokele waiwai i nā papahana hoʻonohonoho pipeline. Ma ke ʻano holoʻokoʻa, he kuleana koʻikoʻi nā mea PPH i nā ʻoihana ʻoihana he nui ma muli o kāna ʻenehana hoʻololi kūʻokoʻa a me ka hana maikaʻi loa, e hāʻawi ana i nā hopena hilinaʻi no nā noi like ʻole.

N. He aha ka ʻokoʻa ma waena o PPH a me PP
1. Aia nā ʻokoʻa nui ma waena o ka PPH a me ka PP (polypropylene) e pili ana i nā waiwai waiwai, nā wahi noi, nā ʻenehana hana, a me nā koina. ʻO nā ʻokoʻa nui ma waena o lākou penei: 1
Nā hiʻohiʻona waiwai a me ke kaʻina hana
Hana ʻia ʻo PPH (homopolymer polypropylene) ma o ka hoʻololi ʻana i ke kaumaha molekala kiʻekiʻe, haʻahaʻa haʻahaʻa kahe kahe o ka homopolymer polypropylene me ka β, nona ke kūpaʻa kemika maikaʻi loa, ke kūpaʻa wela kiʻekiʻe, a me ke kūpaʻa creep maikaʻi, a kūpono no nā kūlana koʻikoʻi.
Hana ʻia ʻo PP (polypropylene) me ka polypropylene random copolymer (RPP), nona ka pale ʻana i ka corrosion maikaʻi a kūpono no ka lawe ʻana i nā kemika maʻamau.
2. kahua noi
Hoʻohana pinepine ʻia ka PPH i nā ʻōnaehana wai wela, nā ʻoihana kemika, a me nā wahi e pono ai ke kiʻekiʻe kiʻekiʻe a me ka pale ʻana i ka corrosion ma muli o kona kūlana kiʻekiʻe kiʻekiʻe a me ke kūpaʻa kemika.
Hoʻohana nui ʻia ʻo PP i ka lawe ʻana i nā wai waikawa a me ka alkaline i nā ʻoihana e like me ke kemika, electroplating, a me ka paʻi ʻana a me ke kala ʻana ma muli o kona kūpaʻa maikaʻi loa.
ʻenehana hana a me ke ʻano pili
Hoʻopili pinepine ʻia nā paipu PPH e ka welding, ka hoʻoheheʻe wela, a me nā ʻano hana ʻē aʻe, i loaʻa ka ikaika pili kiʻekiʻe a me ka hana hoʻopaʻa ʻana, a kūpono i nā wahi paʻakikī e like me ke kiʻekiʻe kiʻekiʻe a me ka wela kiʻekiʻe.
Ma waho aʻe o ka hoʻoheheʻe ʻana a me ka hoʻoheheʻe wela, hiki ke hoʻopili ʻia nā paipu PP me ka hoʻohana ʻana i nā ʻano like ʻole e like me ka hoʻoheheʻe uila, e ʻoi aku ka maʻalahi a me ka maʻalahi.
3. Kumukuai
ʻOi aku ka maikaʻi o ka PPH ma muli o kona kūpaʻa ʻana i ka corrosion maikaʻi loa a me ke kūpaʻa wela kiʻekiʻe, akā ʻoi aku ka makemake i kekahi mau papahana e koi ana i ka hana kiʻekiʻe.
He haʻahaʻa haʻahaʻa ko PP a kūpono ia no nā papahana e koi ana i ka hoʻokele waiwai kiʻekiʻe.
I ka hōʻuluʻulu ʻana, aia nā ʻokoʻa ma waena o ka PPH a me ka PP e pili ana i nā waiwai waiwai, nā wahi noi, nā ʻenehana hana, a me nā kumukūʻai. ʻO ke koho ʻana o nā mea e pili ana i nā koi noi kikoʻī a me nā kūlana kaiapuni.