Hoʻopili ʻia ka maikaʻi o ka hoʻopaʻa ʻana i ka graphite packing e nā ʻano ʻāpana hana, ʻo ia hoʻi:
• Medium Pressure: ʻO nā kaiapuni puʻe kiʻekiʻe (e laʻa, ʻoi aku ma mua o 10 MPa) e koi i kahi ʻano hoʻopuʻi huihue he nui (e laʻa, nā ʻāpana ʻokoʻa o ka graphite a me ka PTFE) e kaulike i ka ikaika sila a me ka hiki ke hoʻololi.
• Linear Speed: Ke oi aku ka laina laina o ka pahu wiliwili ma mua o 10 m/s, pono e hoʻonui ʻia ka hana wela o ka packing (e laʻa, ma ka hoʻohui ʻana i ka pauka keleawe e hoʻonui ai i ka wela) i mea e pale ai i ka wela nui a me ka hāʻule ʻana o ka carbonization.
• Kaulana Mahana: Ma nā wela haʻahaʻa (<-20°C), graphite may become more brittle, requiring flexibility treatment or composite with other materials (e.g., asbestos matrix) to improve its toughness.
• Hoʻohālikelike Medium: Inā he wai hoʻoheheʻe ikaika ka mea waena (e laʻa, fuming sulfuric acid), pono e koho ʻia ka graphite me kahi lāʻau anti-oxidation (e laʻa, impregnation me nā paʻakai metala a i ʻole nā mea hoʻohuihui kino).
ʻO nā hiʻohiʻona hoʻohana maʻamau a me nā kuhikuhi kuhikuhi
Hoʻohana nui ʻia ʻo Graphite packing i ka petrochemical, power, shipbuilding, a me nā ʻāpana hana mīkini. Loaʻa nā noi maʻamau:
• Hoʻohana ʻia i nā kiwi -mahana kiʻekiʻe, kiʻekiʻe-a i ʻole nā pahu hoʻomalu wai ʻino, e pani ana i ka asbestos kuʻuna a i ʻole nā pūʻulu ʻōpala;
• Nā Pumps: Hoʻohana ʻia e like me ka hoʻopaʻa ʻana i ka sila i loko o ka centrifugal a me ka reciprocating pumps, kūpono loa no ka lawe ʻana i nā hopena acidic a alkaline;
• Nā mea hoʻoulu a me nā reactors: I ka -wikiwiki kiʻekiʻe agitator shaft sila, i hui pū ʻia ka pahu pahu hoʻopihapiha hoʻokō i ka hoʻopaʻa ʻana a me ka mana leakage.
Ke nānā nei ka ʻenehana loea i kēia manawa i ka hoʻomaikaʻi hou ʻana i ka hana a me ka hilinaʻi ma o ka hoʻololi ʻana i ka nanomaterial (e like me ka hoʻohui ʻana i ka molybdenum disulfide e hōʻemi ai i ka friction), ka hana hou ʻana (e like me nā apo packing corrugated no ka hoʻonui ʻia ʻana), a me ka nānā ʻana naʻauao (e like me ka hoʻohui ʻia ʻana o ka mahana a me ke kaomi ʻana no ka manawa maoli -manaʻo manaʻo no ke kūlana sealing).
ʻO ka graphite packing, ma muli o kona -lubricating, kiʻekiʻe-wela kūʻē, a me ka paʻa kemika, ua lilo ia i mea waiwai nui ma ka ʻoihana hoʻopaʻa sila. ʻO kāna kumu hana e hoʻokō ai i ka sila ma o ke kaulike ikaika ma waena o ka deformation material a me ka friction interfacial. ʻO ka hana maoli e pili ana i ka hoʻohālikelike ʻana i nā ʻāpana hana a me ka pono o ka hoʻolālā hoʻolālā. Me ka holomua o ka ʻepekema waiwai a me ka ʻenehana ʻenehana, e hoʻomau ka hoʻonui ʻia o nā palena noi o nā mea hoʻopihapiha graphite, e hāʻawi ana i nā hopena maikaʻi aʻe no ka hoʻopaʻa ʻana i nā pono ma lalo o nā palena kiʻekiʻe a me nā kūlana hana paʻakikī.
