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ʻO ka hoʻohana ʻana o ka valve butterfly ventilated nui anawaena i nā ʻenehana ʻoihana

ʻO ka hoʻohana ʻana o ka valve butterfly ventilated nui anawaena i nā ʻenehana ʻoihana

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(1) E hoʻohui i ka valve me ke kaula. HANA MAU NEI KEIA PILI E KA MINI

HOʻOPIʻI ʻO ALVE INLET AME OUTLET I loko o nā wili paipu pololei i hiki ke hoʻopili ʻia i nā hui a i ʻole nā ​​laina paipu. Ma muli o ka hiki ke loaʻa nā kahawai leakage nui i kēia pili, hiki ke ālai ʻia kēia mau ala me ka sealant, sealing tape, a i ʻole ka paʻi ʻana. Inā hiki ke welded ka mea o ke kino valve, akā, ʻokoʻa loa ka coefficient o ka hoʻonui ʻana, a i ʻole ka nui o ka hoʻololi ʻana o ka mahana hana, ʻo ka pilina pili pono e hoʻopaʻa ʻia i ka meli.
ʻO ka pilina pili o ka valve ka mea nui i ka meridian nominal i ka valve 50mm e hiki mai ana. Inā nui loa ke anawaena, paʻakikī loa ka hoʻokomo ʻana a hoʻopaʻa i ka hui.
I mea e maʻalahi ai ka hoʻokomo ʻana a me ka wehe ʻana i nā kiwi wili, loaʻa nā mea hoʻohui ma nā wahi kūpono o ka ʻōnaehana paipu. Hiki ke hoʻohana ʻia nā kiwi a hiki i 50mm i ka nui inoa i ka hui lima ma ke ʻano he hui, me nā kaula e hoʻopili ai i nā ʻāpana ʻelua o ka hui.
(2) Puka pili flange. He mea maʻalahi ka hoʻouka a wehe ʻana i nā valve flange. Akā, ʻoi aku ka nui o lākou ma mua o nā valves threaded, a ʻoi aku ke kumukūʻai. No laila, kūpono ia no ka pili paipu o nā ʻano nui a me nā kaomi. Eia nō naʻe, ke ʻoi aku ka mahana ma mua o 350 degere, ma muli o ka wehe ʻana o nā bolts, gaskets a me nā flanges, kahi e hoʻemi nui ai i ka ukana ma nā bolts, hiki i ka leakage ke hiki mai i nā pili flange koʻikoʻi.
(3) Weld i ka valve. He kūpono kēia pilina no nā ʻano paʻi a me ka mahana, a ʻoi aku ka hilinaʻi ma mua o ka pili flanged ke hoʻohana ʻia ma lalo o nā kūlana kaumaha. Akā ʻoi aku ka paʻakikī o ka wehe ʻana a me ka hoʻonohonoho hou ʻana, no laila ua kaupalena ʻia kona hoʻohana ʻana i ka maʻamau hiki ke holo pono no ka manawa lōʻihi, a i ʻole hoʻohana i nā kūlana o ka hoʻouka ʻana, nā manawa wela kiʻekiʻe. E like me ke kahua mana wela, papahana ikehu nuklea, papahana ethylene ma ka pipeline.
ʻO nā kiwikā i hoʻopaʻa ʻia me nā anawaena inoa a hiki i 50mm ka mea maʻamau i hoʻopaʻa ʻia i ka paipu ma ka ʻaoʻao pālahalaha o ka ukana. No ka mea, ʻo ka hoʻoheheʻe ʻia ʻana o ke kumu e hana i kahi āpau ma waena o ke kumu a me ka pipeline, hiki ke hoʻoneʻe ʻia ke āpau e kekahi mau media, a ʻo ka haʻalulu o ka pipeline e hoʻoluliluli i ka ʻāpana hui, no laila ua kaupalena ʻia ka hoʻohana ʻana i ka socket welding.
He nui ka anawaena nominal, ka hoʻohana ʻana i nā kūlana o ka hoʻouka ʻana, ke kiʻekiʻe o ka wela, hoʻohana pinepine ke kino valve i ka welding groove, i ka manawa like, loaʻa i ka hui hui nā koi kumu, pono e koho i kahi welder ʻenehana ikaika e hoʻopau i ka hana.
Nui anawaena ventilation butterfly valve i ka noi o na kiwi hana I keia manawa ko kakou aina i na oihana like ole no ka metala valve, valve i hoohana nui ia i ka hana ana i ka pahu metala i hoohanaia no na haneli mau makahiki o ka mōʻaukala, i loaʻa ma o ka hoʻomaikaʻi 'ana i ka hale a me ka waiwai, akā, e kona nā palena ponoʻī, ʻoi aku ka nui o nā mea metala ʻaʻole hiki ke hoʻololi i nā kūlana hana maikaʻi ʻole, e like me ka lole kiʻekiʻe ikaika a me ka corrosion. Hōʻike nui ʻia i ke ola lawelawe pōkole, ua hoʻopilikia nui ka leakage i ka paʻa o ka hana ʻōnaehana. ʻO ka valve metala maʻamau ka makemake nui i ka hana hou i nā mea, ka hoʻolālā a me ke kaʻina hana.
I kēia manawa, ʻo ka valve i hoʻohana mau ʻia i ka hana ʻana o nā ʻoihana like ʻole i ko mākou ʻāina ʻo ka valve metala. ʻO ka hoʻohana ʻana i ka valve metala ma mua o hoʻokahi haneli mau makahiki o ka mōʻaukala. ʻOiai ua hoʻomaikaʻi ʻia e ka hoʻolālā a me nā mea hana, ʻaʻole hiki ke hoʻokō i nā pono o ka lole kiʻekiʻe, ka corrosion ikaika a me nā kūlana hana ʻē aʻe. Hōʻike nui ʻia i ke ola lawelawe pōkole, ua hoʻopilikia nui ka leakage i ka paʻa o ka hana ʻōnaehana. ʻO ka valve metala maʻamau ka makemake nui i ka hana hou i nā mea, ka hoʻolālā a me ke kaʻina hana.
ʻO nā mea seramika kiʻekiʻe, ma ke ʻano he mea hou i ka 21st century, ua lawe nui ʻia e nā limahana ʻepekema hou aʻe. He mea hoʻoikaika wiwo ʻole a maikaʻi hoʻi e hoʻopili iā ia i nā valve ʻoihana.
He liʻiliʻi ka deformation o nā mea keramika a ʻoi aku ka ikaika o ka paʻa ʻana ma mua o nā metala. ʻO ka maʻamau, he liʻiliʻi ka radius crystalline ionic o nā mea seramika, a he kiʻekiʻe ke kumukūʻai uila ionic, a nui ka helu hoʻonohonoho. Hoʻoholo kēia mau waiwai i ka ikaika tensile, ikaika compressive, elastic modulus a me ka paʻakikī o nā mea seramika kiʻekiʻe loa. ʻO Ceramic pono'ī, akā, "brittle" a paʻakikī ka hoʻoponopono ʻana i ka palena o ka hoʻohana ʻana i nā makahiki i hala iho nei, ma muli o ka ʻenehana hoʻololi ʻana i ka martensitic phase transformation toughening technology, composite material science and technology and the development and progress of the concept of nanometer ceramics made of pottery and porcelain Ua loaʻa iā "brittle" * * e hoʻomaikaʻi, ua hoʻomaikaʻi maikaʻi ʻia ka paʻakikī a me ka ikaika, e hoʻonui ana i ka laulā noi.
Hoʻohana nui ʻia ka valve ceramic wear-resistant i ka mana uila, petroleum, ʻoihana kemika, metallurgy, mining, sege treatment a me nā ʻoihana ʻoihana ʻē aʻe, ʻoi aku hoʻi i ke alo o ka lole kiʻekiʻe, ka corrosion ikaika, ka wela kiʻekiʻe, ke kiʻekiʻe kiʻekiʻe a me nā kūlana hana paʻakikī. akā hōʻike pū i kāna hana maikaʻi loa. Hiki iā ia ke hoʻokō i ka hoʻohana ʻana i ka lole kiʻekiʻe, ke ʻano corrosion ikaika, ʻoi aku ka maikaʻi o ka hiʻohiʻona ʻoi aku ka lōʻihi o ka lawelawe ʻana, ʻoi aku ka maikaʻi o kāna kumukūʻai hana ma mua o nā ʻāpana metala like ʻole. Me ka hoʻomau mau ʻana o ka hoʻomohala ʻana a me ka holomua o ka ʻepekema a me ka ʻenehana, nā mea seramika mai ka hoʻokumu ʻana, ka hoʻoheheʻe ʻana, ka hana ʻana a me ka ʻenehana hui a me nā ʻano ʻē aʻe o ka ʻenehana i ʻoi aku ke oʻo a piha, ka valve ceramic me kāna hana maikaʻi loa e loaʻa ai ka ʻike o ka poʻe i ka ʻoihana. . Hiki ke hoʻohana ʻia ka ʻike kūleʻa o ka hana ʻana i nā valve ceramic i nā kahua ʻenekinia kiʻekiʻe.


Ka manawa hoʻouna: ʻAukake-05-2022

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