ʻO nā paipu kemika a me nā valve he ʻāpana koʻikoʻi o ka hana kemika a me ka loulou o nā mea hana kemika. Pehea ka hana ʻana o nā kiwikā 5 maʻamau i nā paipu kemika? ʻO ke kumu nui? He aha nā paipu kemika a me nā kiwi kūpono? (11 mau ʻano paipu + 4 ʻano paipu paipu + 11 kiwi nui) ʻO ka paipu kemika, ʻike ʻia kēia mau mea āpau i ka ʻatikala hoʻokahi!

ʻO nā paipu kemika a me nā kiwi

Hoʻokaʻawale ʻia nā ʻano paipu kemika e nā mea: nā paipu metala a me nā paipu metala ʻole.

Paipu metala

ʻO nā paipu hao, nā paipu kila, nā paipu kila maʻemaʻe, nā paipu keleawe, nā paipu alumini, a me nā paipu alakaʻi.

①Pipu hao hao:

ʻO ka paipu hao hao kekahi o nā paipu maʻamau i hoʻohana ʻia ma nā paipu kemika.

Ma muli o kona palupalu a me ka paʻa ʻole o ka pilina, ua kūpono wale ia no ka lawe ʻana i ka media haʻahaʻa haʻahaʻa, a ʻaʻole kūpono no ka lawe ʻana i ka mahu a me nā mea ʻawaʻawa a me nā mea pahū. Hoʻohana maʻamau ʻia i nā paipu lako wai ma lalo o ka honua, nā kumu kinoea a me nā paipu wai. Hōʻike ʻia nā kikoʻī o nā paipu hao hao e Ф anawaena o loko × pā mānoanoa (mm).

②Pipu kila i hoʻopaʻa ʻia:

Hoʻokaʻawale ʻia nā paipu kila seam i nā paipu kinoea wai maʻamau (kū'ē i ke kaomi 0.1～1.0MPa) a me nā paipu mānoanoa (kū'ē i ke kaomi 1.0～0.5MPa) e like me kā lākou hana.

Hoʻohana maʻamau ia no ka lawe ʻana i nā wai kaomi e like me ka wai, ke kinoea, ka mahu hoʻomehana, ka ea paʻa, a me ka ʻaila. Ua kapa ʻia nā paipu galvanized he paipu hao hao a i ʻole paipu galvanized. ʻO nā mea i hoʻopaʻa ʻole ʻia, ua kapa ʻia nā paipu hao ʻeleʻele. Hōʻike ʻia kāna mau kikoʻī ma ke ʻano o ke anawaena nominal. ʻO 6mm ke anawaena inoa haʻahaʻa loa a he 150mm ka lōʻihi loa.

③Seamless kila paipu:

ʻO ka maikaʻi o ka paipu kila seamless ʻo kona ʻano like ʻole a me ka ikaika kiʻekiʻe.

ʻO nā mea hana he kila kalapona, ke kila kiʻekiʻe, ke kila haʻahaʻa, ke kila kila, a me ke kila wela. Ma muli o nā ʻano hana hana like ʻole, ʻelua mau ʻano: ʻo nā paipu kila maʻemaʻe wela a me nā paipu kila ʻole i huki ʻia i ke anu. I ka ʻenekinia pipeline, hoʻohana mau ʻia nā paipu wela ke ʻoi aku ke anawaena ma mua o 57mm, a hoʻohana mau ʻia nā paipu huki anu i ka wā ma lalo o 57mm ke anawaena.

Hoʻohana pinepine ʻia nā paipu kila ʻole no ka lawe ʻana i nā ʻano kinoea i kaomi ʻia, nā mahu a me nā wai, a hiki ke kū i nā wela kiʻekiʻe (ma kahi o 435°C). Hoʻohana ʻia nā paipu kila kila no ka lawe ʻana i nā media corrosive, ma waena o nā paipu hoʻoheheʻe wela hiki ke kū i nā mahana a hiki i 900-950 ℃. Hōʻike ʻia ka kikoʻī o ka paipu kila maʻemaʻe e Ф i loko anawaena × pā mānoanoa (mm).

He 200mm ke anawaena o waho o ka paipu huki anu, a he 630mm ke anawaena o waho o ka paipu wela. Hoʻokaʻawale ʻia nā paipu kila maʻemaʻe i nā paipu maʻemaʻe ʻole a me nā paipu liʻiliʻi kūikawā e like me kā lākou hoʻohana ʻana, e like me ka petroleum cracking seamless pipes, boiler seamless pipes, a me ka fertilizer seamless pipes.

④ Paipu keleawe:

He hopena maikaʻi ka hoʻoili wela o ka paipu keleawe.

Hoʻohana nui ʻia i nā pipeline o nā mea hoʻololi wela a me nā mea cryogenic, nā mea kani e ana i nā paipu a i ʻole ka lawe ʻana i nā wai i hoʻopaʻa ʻia, akā inā ʻoi aku ka mahana ma mua o 250 ℃, ʻaʻole kūpono ke hoʻohana ʻia ma lalo o ke kaomi. No ka mea ʻoi aku ka pipiʻi o ke kumukūʻai, hoʻohana maʻamau ia ma nā wahi koʻikoʻi.

⑤Aluminum paipu:

ʻO ka alumini ka maikaʻi o ka corrosion.

Hoʻohana pinepine ʻia nā paipu alumini no ka lawe ʻana i nā media e like me ka sulfuric acid concentrated, acetic acid, hydrogen sulfide a me carbon dioxide, a hoʻohana pinepine ʻia i nā mea hoʻololi wela. ʻAʻole hiki ke hoʻohana ʻia nā paipu alumini no ka lawe ʻana i nā hopena alkaline a me nā hopena i loaʻa nā ion chloride.

E like me ka emi ʻana o ka ikaika mechanical o ka paipu alumini me ka piʻi ʻana o ka mahana, ʻaʻole hiki ke hoʻohana ʻia ka mahana o ka pahu alumini ma mua o 200 ° C, a e emi iho ka mahana hoʻohana no ka pipeline pressurized. ʻOi aku ka maikaʻi o nā waiwai mechanical i ka alumini ma nā haʻahaʻa haʻahaʻa, no laila ua hoʻohana nui ʻia nā paipu alumini alumini i nā mea hoʻokaʻawale ea.

⑥ Paipu alakaʻi:

Hoʻohana pinepine ʻia nā paipu alakaʻi ma ke ʻano he paipu no ka lawe ʻana i ka media acidic. Hiki iā lākou ke lawe aku i ka 0.5% -15% sulfuric acid, carbon dioxide, 60% hydrofluoric acid, a me ka acetic acid me ka nui o ka emi ma lalo o 80%. ʻAʻole kūpono ia no ka lawe ʻana i ka waikawa nitric, hypochlorous acid a me nā mea ʻē aʻe. ʻO ka mahana hana kiʻekiʻe loa o ka paipu alakaʻi he 200 ℃.

Paipu metala ʻole

Paipu palaki, paipu plastik, paipu aniani, paipu seramika, paipu sima.

①Paipu palaki:

ʻO nā mea maikaʻi o nā paipu plastik he kūpaʻa maikaʻi i ka corrosion, ke kaumaha māmā, ka hana maʻalahi a me ka hana maʻalahi.

ʻO ka hemahema ka ikaika haʻahaʻa a me ka pale wela maikaʻi ʻole.

I kēia manawa, ʻo nā paipu plastik i hoʻohana pinepine ʻia he paipu polyvinyl chloride paʻakikī, paipu polyvinyl chloride palupalu, paipu polyethylene,paipu polypropylene, a me nā paipu metala me ka polyolefin a me ka polychlorotrifluoroethylene i kāpī ʻia ma ka ʻili.

②Pūpepa Rubber:

He kūpaʻa maikaʻi ke kino o ka ʻōpala, ke kaumaha māmā, ka plasticity maikaʻi, hiki ke maʻalahi a maʻalahi ka hoʻonohonoho ʻana a me ka wehe ʻana.

Hana ʻia nā paipu lāʻau maʻamau i ka ʻōpala maoli a i ʻole ka lāʻau synthetic, a kūpono i nā manawa ʻaʻole kiʻekiʻe nā koi koi.

③Papa aniani:

Loaʻa i ka paipu aniani ka maikaʻi o ka pale ʻana i ka corrosion, transparency, maʻalahi hoʻomaʻemaʻe, haʻahaʻa haʻahaʻa, a me ke kumu kūʻai haʻahaʻa. ʻO ka hemahema ʻo ia ka palupalu a ʻaʻole hiki ke pale i ke kaomi.

Hoʻohana pinepine ʻia i ka hoʻāʻo ʻana a i ʻole nā ​​kūlana hana hoʻokolohua.

④Pūpepa seramika:

Ua like nā kemika kemika me ke aniani a maikaʻi ke kūpaʻa ʻana i ka corrosion. Ma waho aʻe o ka waika hydrofluoric, ka waikawa fluorosilicic a me nā alkali ikaika, hiki iā lākou ke kū i nā ʻano ʻokoʻa like ʻole o nā waikawa inorganic, nā ʻakika organik a me nā solvents organik.

Ma muli o kona ikaika haʻahaʻa a me ka brittleness, hoʻohana maʻamau ia e wehe i ka media corrosive i nā sewers a me nā paipu ea.

⑤Pula sima:

Hoʻohana nui ʻia ia i nā manawa ʻaʻole kiʻekiʻe nā koi koi a me ka hoʻopaʻa ʻana o ka paipu pili, e like me ka lepo lepo a me nā paipu wai.