loea paipu

15 mau makahiki hana hana

Hoʻokomo ʻia ka paipu PE

ʻO PE ka pīlali polyethylene, ka plastic paʻa loa, ʻeke ʻeke, wahī wahī, a pēlā aku, ʻo PE, HDPE kahi kiʻekiʻe kiʻekiʻe o ka crystallinity, kēpau thermoplastic non-polar. ʻO ke ʻano o ka HDPE kumu keʻokeʻo waiū, me kahi ʻano translucency i ka ʻāpana lahilahi. He kūpaʻa maikaʻi ʻo PE i ka hapanui o ka home a me nā kemika ʻoihana.

ʻO ka paipu PE kahi paipu polyethylene density medium a me ka paipu polyethylene kiʻekiʻe kiʻekiʻe. Māhele ʻia i SDR11 a me SDR17.6 moʻo e like me ka mānoanoa o ka paia. Kūpono ka mea mua no ka lawe ʻana i ke kinoea ʻenekini, kinoea kūlohelohe a me ka aila ʻaila ʻaihue. Ke hoʻohālikelike ʻia me ka paipu kila, maʻalahi ka hana kūkulu, loaʻa kekahi mau maʻalahi, ʻaʻole hoʻohana ʻia ka mea nui aku no ka mālama anti-corrosion, e mālama ai i nā kaʻina hana he nui. ʻAʻole maikaʻi ka maikaʻi ʻole o nā pono e like me ka paipu kila, ke kūkulu ʻana i kahi nānā kūikawā i ka palekana o ka hoʻomehana ʻana i ka wela, a ʻaʻole hiki ke hōʻike ʻia i ka ea i ka lā, a maʻalahi hoʻi i nā kemikū, e pale ai i ka kahe o ka pohō paipu .

ʻO ka mākeke paipu kaona ʻo Kina, ke hoʻomohala mau nei ka paipu ea, ka paipu PE, ka paipu PP-R, kahi Tube UPVC i wahi, i waena o lākou ʻO ka ikaika o ka hoʻomohala ikaika ʻana o ka Tube PE ka maka makaʻāinana. Hoʻohana ākea ʻo PE paipu. ʻO ka paipu Sewage a me ka paipu ʻino i kāna mau mākeke noi nui ʻelua.

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ʻAʻole pono kahi paipu maikaʻi i ka hoʻokele waiwai maikaʻi wale nō, akā loaʻa pū kekahi o nā keu e like me ke kuʻina paʻa a hilinaʻi hoʻi, ka hopena hopena, ke kūpaʻa ʻana, ke kūpikipiki kūʻē a me ka kūpaʻa kūpaʻa.

ʻOi aku ka maikaʻi o ka ʻōnaehana paipu HDPE:

1. Pili pili pono: pili ka ʻōnaehana paipu polyethylene e ka hoʻomehana uila, a ʻoi aku ka ikaika o ka hui ma mua o ka ikaika o ka paipu kino.

2, maikaʻi ka hopena o ke anuanu haʻahaʻa: haʻahaʻa loa ka mahana wela o ka polyethylene, a hiki ke hoʻohana palekana ʻia ma waena o ke ana wela o -60-60 ℃. I ke kūkulu hoʻoilo, ʻaʻole e uha ka paipu ma muli o ke kūpaʻa hopena maikaʻi o nā mea.

3, kūpilikiʻi maikaʻi maikaʻi maikaʻi: ʻo HDPE kahi haʻahaʻa notch, kiʻekiʻe shear ikaika a me ke kūpikipiki kūpikipiki maikaʻi loa.

4, kūpaʻa kūpale kime maikaʻi: hiki i ka paipu HDPE ke kū i ke kūpikipiki o nā ʻano kemika like ʻole, ʻaʻole ke kumu o nā kemika i ka lepo i hoʻohaʻahaʻa ʻia o ka paipu. ʻO Polyethylene kahi insulator uila, no laila ʻaʻole ia e pala, popo a i ʻole ka uila electrochemical; ʻAʻole ia e paipai i ka ulu ʻana o ka limu, bacteria a fungi.

5, kūnewa kūpaʻa, lōʻihi hana ola: polyethylene paipu i loaʻa 2-2.5% like kaʻana like o kalapona ʻeleʻele hiki ke waiho waho i waho a hoʻohana ʻia no 50 mau makahiki, ʻaʻole e hōʻino ʻia e ka radiation ultraviolet.

6, ʻaʻa pale: ʻO ke kūpaʻa ʻaihue o ka paipu HDPE a me ka hoʻāʻo hoʻohālikelike paipu kila e hōʻike ana i ke kūpaʻa o ka paipu HDPE he 4 manawa ia o ka paipu kila. I ka halihali lepo, hāʻawi nā paipu HDPE i ka pale pale maikaʻi i hoʻohālikelike ʻia i nā paipu kila, ʻo ia hoʻi ke ola ʻoi aku ka lōʻihi a me ka ʻoihana maikaʻi.

7. Hoʻololi maikaʻi: ʻO ka maʻalahi o ka paipu HDPE maʻalahi e piʻo, a hiki ke kāpae ʻia nā mea kūpale e ka hoʻololi ʻana i ke ʻaoʻao o ka paipu i ka ʻenehana. I nā manawa he nui, hiki i ka maʻalahi o ka paipu ke hōʻemi i ka nui o nā pono paipu a hoʻoliʻiliʻi i nā kumukūʻai hoʻonohonoho.

8. Ke kūpaʻa kahe haʻahaʻa: Loaʻa i nā paipu HDPE kahi ʻoluʻolu o loko a me kahi kōmi Manning o 0,009. ʻO ka hana maʻalahi a me nā ʻano pili ʻole ʻole o nā paipu HDPE e hōʻoia i ka hiki ke hāʻawi i ke kiʻekiʻe ma mua o ka tubing maʻamau, ʻoiai e hōʻemi ana i ka pohō a me ka hoʻohana ʻana o ka wai.

9, maʻalahi e lawelawe: ʻoi aku ka māmā o ka paipu HDPE ma mua o ka paipu paʻa, paipu galvanized a me ka paipu kila, maʻalahi e lawelawe a hoʻokomo, hoʻohaʻahaʻa i ka hana a me nā pono pono, ʻo ia hoʻi ua hoʻemi nui ʻia ke kumukūʻai hoʻonohonoho.

10, nā ʻano hana hana hou: he ʻano ʻenehana kūkulu like ka HDPE paipū, me ke ʻano o ka hana kuʻuna kuʻuna i hiki ke hoʻohana ʻia no ke kūkulu ʻana, hiki ke hoʻohana i nā ʻano ʻenehana trenchless hou e like me ka jacking pipe, drilling directional, liner, i ke ʻano o ka paipu a me ke kūkulu ʻana, no kekahi ʻaʻole ʻae i nā pūnaewele ʻeli, ʻo ia wale nō ke koho, no laila ʻo ka paipu HDPE pālahalaha noi.

 


Ka manawa Post: Sep-30-2021