Nui nā mea kūʻai ma o kā mākou pūnaewele e kelepona e nīnau i ke ʻano o ka ʻeke ulana a me ka laulā noi, i kēia lā dongle ulana ʻeke xiaobian e wehewehe i ke ʻano o ka ʻeke ulana a me ka laulā noi.
ʻIke ʻia nā ʻeke ʻeke ʻeke he ʻeke ʻili nahesa. He plastic, hoʻohana nui ʻia no ka hoʻopili ʻana. ʻO kāna mau mea maka he polyethylene, polypropylene a me nā mea ʻili kemika ʻē aʻe. ʻO kēia ka hoʻolauna ʻana i nā ʻano a me nā hoʻohana ʻana o nā ʻeke i ulana ʻia.
ʻano ʻano
ʻO ka polyethylene (PE) ka mea maka nui no ka hana ʻana i nā ʻāina ʻē, aʻo ka mea nui no ka hana home he polypropylene (PP), kahi resin thermoplastic i hoʻomākaukau ʻia e ka ethylene polymerization. Ma ka ʻoihana, hoʻokomo pū ʻia nā copolymers o ka ethylene me ka liʻiliʻi o -olefin. ʻO odorless, non-toxic, waxy polyethylene, me ka haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa (ka liʻiliʻi o ka mahana hana a hiki i -70 ~ 100 ℃), ke kūpaʻa kemika maikaʻi, ke kūpaʻa ʻana i ka nui o ka waikawa a me ka alkali corrosion (oxidation resistant acid), insoluble i nā mea hoʻoheheʻe maʻamau i ka lumi wela, haʻahaʻa wai haʻahaʻa, maikaʻi loa ka uila insulation hana; ʻO ia ka polyethylene (kemika a me ka uila) no nā koʻikoʻi o ke kaiapuni; ʻO ka hopena mīkini) paʻakikī loa, kūʻē maikaʻi ʻole i ka ʻelemakule wela. ʻOkoʻa nā waiwai o ka polyethylene mai kēlā me kēia ʻano, ma muli o kona ʻano molekala a me ka nui. Hiki ke loaʻa nā huahana me nā ʻano like ʻole (0.91 a 0.96 g/cm3) e nā ʻano hana like ʻole. Hiki ke hana ʻia ka polyethylene e kahi kaʻina hana thermoplastic maʻamau (e ʻike i ka hana ʻana i ka Plastic). Hoʻohana nui ʻia i ka hana ʻana i nā kiʻiʻoniʻoni, nā ipu, nā pipelines, ka uwea hoʻokahi, ka uea a me ke kaula, nā mea e pono ai i kēlā me kēia lā, a me nā mea ʻē aʻe. Me ka hoʻomohala ʻana o ka ʻoihana petrochemical, ua ulu wikiwiki ka hana ʻana o ka polyethylene, e helu ana ma kahi o ka hapaha o ka nui o ka hana plastic. I ka makahiki 1983, he 24.65 Mt ka nui o ka hana o ka polyethylene, a he 3.16 Mt ka nui o ka mea kanu.
polypropylene
Hoʻomākaukau ʻia ka resin thermoplastic e ka propylene polymerization. ʻEkolu mau hoʻonohonoho o ka isomorphism holoʻokoʻa, random and interisomorphism. ʻO nā mea nui o nā huahana ʻoihana he mau mea homogenous. Hoʻokomo pū ka Polypropylene i nā copolymers o propylene a me kahi liʻiliʻi o ka ethylene. ʻO ka maʻamau he paʻa translucent kala ʻole, ʻono ʻole a ʻona ʻole. Ma muli o kāna hana maʻamau a me ka crystallinity kiʻekiʻe, ʻo ka helu heheʻe a hiki i 167 ℃. He pale wela a hiki ke hoʻopale ʻia ka huahana e ka mahu. ʻO ka mānoanoa o 0.90 g/cm3 ka māmā māmā loa o ka plastic plastic. ʻOi aku ka maikaʻi o ka pale ʻana i ka corrosion, ka ikaika tensile 30 MPa, ka ikaika, rigidity a me ka transparency ma mua o ka polyethylene. ʻO nā hemahema ka haʻahaʻa haʻahaʻa haʻahaʻa a me ka maʻalahi o ka ʻelemakule i ka haʻahaʻa haʻahaʻa, hiki ke lanakila ma o ka hoʻololi ʻana a me ka hoʻohui ʻana o nā antioxidants.
ʻO ka waihoʻoluʻu o nā ʻeke i ulana ʻia he keʻokeʻo a keʻokeʻo paha, ʻaʻohe mea ʻawaʻawa a ʻono ʻole, ʻaʻohe mea ʻino i ke kino o ke kanaka. ʻOiai ua hana ʻia lākou mai nā ʻano plastik kemika like ʻole, he mea aloha a hiki ke hana hou ʻia.
Hoʻohana nui ʻia nā ʻeke i ulana ʻia, no ka hoʻopili ʻana i nā mea like ʻole, a hoʻohana nui ʻia i ka ʻoihana.
Hana ʻia ka ʻeke i ulana ʻia me ka resin polypropylene, i hoʻokuʻu ʻia a hohola ʻia i loko o ka siliki pālahalaha, a laila ulana ʻia i loko o nā ʻeke.
Hana ʻia nā ʻeke i ulana ʻia i hoʻohuihui ʻia me ka lole ʻilika ma ke kahawai.
Hoʻohana ʻia no ka hoʻopili ʻana i ka pauka a i ʻole nā mea paʻa paʻa a me nā ʻatikala maʻalahi. Hoʻokaʻawale ʻia ka ʻeke i ulana ʻia i ʻelua ʻeke i loko o hoʻokahi ʻeke a ʻekolu ʻeke i loko o hoʻokahi ʻeke e like me ke ʻano mea nui.
E like me ke ʻano humuhumu, hiki ke hoʻokaʻawale ʻia i ka ʻeke ʻeke lalo, ʻeke ʻeke humuhumu, ʻeke hoʻokomo a me ka ʻeke humuhumu paʻa.
Ma muli o ka laulā kūpono o ka ʻeke, hiki ke māhele ʻia i 450, 500, 550, 600, 650 a me 700 mm. Uaʻaeʻia nā kiko'ī kūikawā e ka mea hoʻolako a me ka mea kūʻai.
Laulā o ka noi
1. Hoʻopili i nā ʻeke no ka ʻoihana a me nā huahana mahiʻai
Me ka hoʻomohala ʻana a me ka hoʻohana ʻana i nā ʻeke pahu maʻalahi, hoʻohana nui ʻia nā ʻeke ipu i ulana ʻia i loko o ka moana, ka lawe ʻana a me ka ʻoihana ʻeke a me nā huahana mahiʻai. Ua hoʻohana nui ʻia nā ʻeke i ulana ʻia i loko o ka ʻeke o nā huahana mahiʻai. Ua hoʻohana nui ʻia nā ʻeke i ulana ʻia i loko o nā huahana wai. ʻO ka hoʻopaʻa ʻana, ka ʻeke hānai moa, nā mea uhi mahiʻai, ka hoʻoulu ʻana i nā mea kanu, pale makani, ka hale hau a me nā mea ʻē aʻe. Nā huahana maʻamau: ʻeke ulana hānai, ʻeke ulana kemika, ʻeke ʻeke pauka putty, ʻeke ulana urea, ʻeke ʻupena meaʻai, ʻeke ʻupena hua, etc.
2. Hoʻopili meaʻai
Hoʻohana mālie ka laiki, ka palaoa a me nā ʻeke meaʻai ʻē aʻe i nā ʻeke i ulana ʻia. ʻO nā ʻeke ulana maʻamau: ʻeke ulana laiki, ʻeke i ulana palaoa, ʻeke ulana kulina a me nā ʻeke ulana ʻē aʻe.
3. Ka lawe ʻana i nā mākaʻikaʻi
Hoʻohana ʻia nā hale lole no ka manawa, nā umbrellas, nā ʻeke huakaʻi a me nā ʻeke i ka ʻoihana mākaʻikaʻi no nā lole i ulana ʻia. Hoʻohana nui ʻia nā hale lole o nā ʻano like ʻole ma ke ʻano he mau hale
Hoʻohana ʻia nā hale lole no ka manawa, nā umbrellas, nā ʻeke huakaʻi a me nā ʻeke i ka ʻoihana mākaʻikaʻi no nā lole i ulana ʻia. Hoʻohana nui ʻia nā hale lole e like me ka uhi ʻana i nā mea no ka lawe ʻana a me ka mālama ʻana, e pani ana i nā hale lole pulupulu kaumaha a popopo. Hoʻohana nui ʻia nā pā a me nā mesh i nā hale i nā lole plastik. Nā mea maʻamau: nā ʻeke logistics, nā ʻeke hoʻopihapiha logistic. Puke ukana, puolo ukana, etc.
Mea ʻenekinia
Mai ka hoʻomohala ʻana o ka geotextile i ka makahiki 1980, ua hoʻonui ʻia ke kahua noi o ka lole i ulana ʻia, hoʻohana nui ʻia i ka mālama wai liʻiliʻi, ka mana uila, ke alaloa, ke ala kaʻaahi, ke awa, ke kūkulu ʻana i kaʻu a me ka hana kaua. I loko o kēia mau papahana, loaʻa i nā geosynthetics nā hana o ka kānana, hoʻokahe, hoʻoikaika, hoʻokaʻawale a me ka mana seepage. ʻO nā geotextiles plastik kekahi o nā geotextiles synthetic.
Mea hoʻomalu wai
Pono nā ʻeke i ulana ʻia no ka mālama ʻana i ka wai. He mea nui loa ia i ka hana ʻana i nā pā, nā muliwai, nā alahao a me nā alanui. He mau ʻeke ulana kūʻē i ka ʻike, ʻeke ulana anti - maloʻo a me nā ʻeke ulana anti - flood.
He mea liʻiliʻi ma luna no nā mea a pau e hoʻopau ana i ke ʻano o ka ʻeke ʻeke a me ke ʻano o ka noi ʻana i nā kūkākūkā pili, ma o ka kaʻana like ʻana o ka ʻike, ke ʻano a me ka hoʻohana ʻana o nā ʻeke i ulana ʻia i kekahi cognitive, inā makemake ʻoe e hele hohonu i loko o ka ʻeke o ka ʻike mākeke, hiki ke hoʻokaʻaʻike i ka mea kūʻai aku i kā mākou hui, a i ka hikina a me ka ʻeke i ulana ʻia ma ka hoʻokolokolo ʻana, kūkākūkā ʻia kēia kamaʻilio pepa.
Ka manawa hoʻouna: Jul-03-2020