Nūhou ʻOihana
-
Argon welding
Hoʻohana ʻo Argon welding i ka argon ma ke ʻano he ʻenehana hoʻoheheʻe kinoea pale, no laila i kapa ʻia ʻo argon gas welding.ʻO ia hoʻi, a puni ka arc o ke kinoea argon ma o ka ea i hoʻokaʻawale ʻia mai ka wahi kuʻi, e pale ai i ka hoʻohemo ʻana o ka weld zone.Hoʻokumu ʻia ka ʻenehana welding Argon ma ke kumu maʻamau o ka arc weldi...Heluhelu hou aku -
Ke kūkulu ʻia ʻana o ka paipu kila sima
ʻO ke kūkulu ʻana i ka mīkini sima ma nā ʻano ʻelua.Centrifugation papahele mua.Maikaʻi no nā paipu i hoʻopaʻa ʻia me ka hana DN400 caliber a i ʻole.Akā ʻo ka hoʻoheheʻe ʻana i lalo, hoʻohana nui ʻia i ka DN700 diameter pipeline corrosion construction ma luna o ka honua.ʻO ka hoʻoheheʻe ʻia ʻana o ka paipu sima: kahi hui o c...Heluhelu hou aku -
Huina paipu anu
ʻO ka ʻōwili anu, ka huki anu a i ʻole ka hui ʻana o ke kaʻina hana anu no ka hana ʻana i ka pūʻolo paipu o nā hui lako.ʻO ia ka paipu welded wela a i ʻole nā ʻāpana hana hohonu.Ma muli o ka hana ʻana o ka metala, ka nui o ka paipu, nā koi maikaʻi ...Heluhelu hou aku -
ʻO ke kaʻina hana pickling pipe kila
ʻO ka mea i kapa ʻia ʻo pickling ke hoʻohana nei i ka waika hydrofluoric a me ka waika nitric e holoi ai i ke kila kila ʻona i hana ʻia ma hope o ka mālama ʻana i ka wela.Hoʻohana ʻia i ka haku mele a me nā waiwai lākiō: HF (3-8%), HNO3 (10-15%), H2O (ke koena nui) i ka wā e hoʻoponopono ai i ka mahana o ka hopena ma 40-60 °C.Paipu kila kiʻi...Heluhelu hou aku -
Paipu auwai
ʻO ka paipu hoʻoheheʻe wai e pili ana i ka hōʻiliʻili ʻana a me ka hoʻokuʻu ʻia ʻana o ka ʻōpala, ka wai ʻino a me ka ʻōnaehana hoʻoheheʻe wai paipu wai a me nā mea pili.Me ka paipu maloʻo, ka paipu lālā a me ka paipu e alakaʻi ana i nā mea kanu lapaʻau, ʻaʻohe o ka pipeline ma ke alanui a i ʻole ma nā wahi ʻē aʻe, ke pāʻani lākou ...Heluhelu hou aku -
ʻO ke ʻano o ka paipu kila i hoʻohana ʻia no ka lawe ʻana i ka aila
ʻO ka hanaʻana, ka laweʻana a me ka mālamaʻana i kaʻaila he mea paʻakikī loa me ke kiʻekiʻe a me ka corrosion.Loaʻa i ka ʻaila ma lalo o ka lepo nā mea e like me ka sulfur a me ka hydrogen sulfide e hiki ke hoʻokahe i ka pipeline.He pilikia nui kēia i ka wā o ka lawe ʻana i ka aila.No laila, ʻo ka mea ...Heluhelu hou aku