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He wai waihoʻoluʻu, ʻala ʻole, a ʻona ʻole ka wai i loaʻa ma ka hoʻoheheʻe ʻana i ka nitrogen ma o ke kaʻina hoʻoluʻu hohonu. Hoʻohana nui ʻia ia i ka noiʻi ʻepekema, lāʻau lapaʻau, ʻoihana, a me ka hoʻoheheʻe ʻana i ka meaʻai ma muli o kona haʻahaʻa haʻahaʻa loa a me nā noi like ʻole. No laila, pehea i hana ʻia ai ka wai nitrogen? E hāʻawi kēia ʻatikala i kahi pane kikoʻī i kēia nīnau mai nā ʻano he nui: ka unuhi ʻana o ka nitrogen, ke ʻano o ka hoʻokaʻawale ʻana i ka ea hohonu, ke kaʻina hana o ka hana ʻana o ka nitrogen wai, a me kāna mau hana pono.

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ʻOhi ʻana o ka nitrogen

ʻO ka hana ʻana o ka wai hau e pono ai ka hana mua o ka loaʻa ʻana o ka nitrogen maʻemaʻe. ʻO Nitrogen ka mea nui o ka lewa o ka Honua, ʻo ia ka 78% o ka nui o ka ea. Hoʻohana maʻamau ka ʻili ʻana i ka nitrogen me ka hoʻohana ʻana i ka ʻenehana hoʻokaʻawale ʻana i ka ea anuanu a i ʻole nā ​​ala kaomi hoʻoheheʻe kaomi (PSA). ʻO ka hoʻokaʻawale ʻana i ka ea anu hohonu ka hana maʻamau i hoʻohana ʻia. Ma ke kaomi ʻana a me ka hoʻoluʻu ʻana i ka ea, hoʻokaʻawale ia i ka oxygen, nitrogen, a me nā mea kinoea ʻē aʻe i nā wela like ʻole. Hoʻohana ʻia ke ʻano adsorption kaomi ʻana i nā waiwai adsorption like ʻole o nā adsorbents no nā kinoea like ʻole, e loaʻa ana i ka nitrogen maʻemaʻe kiʻekiʻe ma o ka pōʻai o ka adsorption a me ka desorption. ʻO kēia mau ʻano hana e hōʻoia i ka maʻemaʻe a me ka maikaʻi o ka nitrogen e like me ka mea maka no ke kaʻina hana hana wai.

ʻano hoʻokaʻawale ea anu hohonu

ʻO ke ʻano hoʻokaʻawale ʻana o ka ea anu hohonu kekahi o nā ʻanuʻu koʻikoʻi i ka hana ʻana i ka wai nitrogen. Hoʻohana kēia ʻano hana i nā wahi paila like ʻole o nā kinoea i ka lewa e hoʻoheheʻe ʻia a hoʻoheheʻe mālie i ka nitrogen, oxygen, a me nā mea kinoea ʻē aʻe. ʻO ka paila paila o ka nitrogen he -195.8 ℃, aʻo ko ka oxygen he -183 ℃. Ma ka hoʻohaʻahaʻa haʻahaʻa ʻana i ka mahana, hoʻoheheʻe ʻia ka oxygen ma mua a hoʻokaʻawale ʻia mai nā kinoea ʻē aʻe, e waiho ana i ke koena ʻoi aku ka maʻemaʻe kiʻekiʻe. A laila, hoʻoluʻu hou ʻia kēia nitrogen ma lalo o kona wahi e hoʻolapalapa ai e hoʻoheheʻe ʻia i loko o ka nitrogen wai, ʻo ia ke kumu kumu o ka hoʻokumu ʻana i ka wai.

ʻO ke kaʻina hana o ka hana ʻana o ka wai nitrogen

ʻO ke kaʻina hana o ka hana ʻana i ka nitrogen wai e pili ana i kekahi mau ʻanuʻu nui: ʻO ka mua, ua hoʻopili ʻia ka ea a hoʻomaʻemaʻe ʻia e wehe i nā mea haumia e like me ka wai a me ka carbon dioxide; a laila, hoʻomaʻamaʻa mua ka ea, maʻamau a puni -100 ℃ e hoʻomaikaʻi i ka pono kaʻawale; aʻe, hoʻokaʻawale ʻia ka hoʻokaʻawale ʻana i ke anuanu, e hoʻomaʻamaʻa mālie i ke kinoea i ka mahana liquefaction o ka naikokene e loaʻa ai ke kinoea kinoea wai. Ma kēia kaʻina hana, hana koʻikoʻi nā mea hoʻololi wela a me nā hale kiaʻi fractionation i ka hōʻoia ʻana i ka hoʻokaʻawale maikaʻi ʻana o nā ʻāpana like ʻole i nā mahana kūpono. ʻO ka hope, mālama ʻia ke kinoea nitrogen wai i loko o nā pahu insulated i hoʻolālā ʻia e mālama i kona wela haʻahaʻa loa a pale i ka nalowale o ka vaporization.

Nā pilikia ʻenehana i ka hoʻokumu ʻana i ka wai nitrogen

ʻO ka hoʻokumu ʻana o ka wai nitrogen e pono ai e lanakila i nā pilikia ʻenehana. ʻO ka mea mua, ʻo ia ka mālama ʻana i kahi kaiapuni haʻahaʻa haʻahaʻa, no ka mea, ʻoi loa ka haʻahaʻa o ka paila o ka nitrogen wai. I loko o ke kaʻina hana liquefaction, pono e mālama i kahi mahana ma lalo o -195.8 ℃, kahi e koi ai i nā mea hoʻonaninani kiʻekiʻe a me nā mea insulation. ʻO ka lua, i loko o ke kaʻina anu hohonu, pono e pale ʻia ka condensation nui o ka oxygen no ka mea he ikaika ka wai o ka oxygen i nā waiwai oxidizing a loaʻa i nā pōʻino palekana. No laila, i ka wā o ka hoʻolālā ʻana, pono e mālama pono ʻia ke kaʻina hana hoʻokaʻawale nitrogen-oxygen, a pono e hoʻohana ʻia nā mea kūpono e hōʻoia i ka palekana a me ka paʻa o ka ʻōnaehana. Hoʻohui ʻia, ʻo ka lawe ʻana a me ka mālama ʻana i ka wai nitrogen e koi i nā pahu Dewar i hoʻolālā ʻia e pale i ka piʻi ʻana o ka mahana a me ka nalowale o ka vaporization wai.

Nā noi maoli o ka wai nitrogen

ʻO nā waiwai haʻahaʻa haʻahaʻa o ka nitrogen wai e hoʻohana nui ʻia i nā kula like ʻole. I ka lāʻau lapaʻau, hoʻohana ʻia ka nitrogen wai i ka cryosurgery a me ka mālama ʻana i ka ʻiʻo, e like me ka hoʻoheheʻe ʻana i ka ʻili a me ka mālama ʻana i nā laʻana olaola. Ma ka ʻoihana meaʻai, hoʻohana ʻia ka nitrogen wai no ka hoʻomaloʻo wikiwiki ʻana i ka meaʻai, no ka mea, hiki i kona ʻano wela haʻahaʻa haʻahaʻa ke hoʻomaloʻo wikiwiki i ka meaʻai, e hōʻemi ana i ka pōʻino o ka hale cell a pēlā e mālama ai i ka ʻono kumu a me ka meaʻai o ka meaʻai. Ma ke kahua noiʻi, hoʻohana nui ʻia ka naikokene wai i ka noiʻi superconductivity, nā hoʻokolohua physics haʻahaʻa haʻahaʻa, a me nā mea ʻē aʻe, e hāʻawi ana i kahi ʻano hoʻokolohua haʻahaʻa haʻahaʻa. Hoʻohui ʻia, i ka hana ʻenehana, hoʻohana ʻia ka nitrogen wai i ka hoʻoili metala, mālama wela, a ma ke ʻano he kinoea inert e pale ai i kekahi mau hopena kemika. Ka hopena

ʻO ke kaʻina hana o ka naikokene wai he kaʻina kino paʻakikī, i loaʻa nui ʻia ma o nā ʻano hoʻokaʻawale ea anu hohonu a me nā ʻenehana liquefaction. ʻO ka haʻahaʻa haʻahaʻa haʻahaʻa o ka wai nitrogen e hana nui ia i nā ʻano hana like ʻole e like me ka ʻoihana, lāʻau lapaʻau, a me ka noiʻi. Mai ka unuhi ʻana o ke kinoea nitrogen a hiki i ka liquefaction anu hohonu a hiki i kona noi ʻana, hōʻike kēlā me kēia ʻanuʻu i ka mana o nā ʻenehana hou a me ka hoʻokaʻawale. I nā hana kūpono, pono e hoʻomau ka ʻenehana i ke kaʻina hana e hōʻemi i ka hoʻohana ʻana i ka ikehu a hoʻomaikaʻi i ka pono o ka hana ʻana o ka wai nitrogen.

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ʻO mākou ka mea hana a me ka mea hoʻopuka o ka hui hoʻokaʻawale ea. Inā makemake ʻoe e ʻike hou aku e pili ana iā mākou:

Mea hoʻopili: Anna

Tel./Whatsapp/Wechat:+86-18758589723

Email :anna.chou@hznuzhuo.com 


Ka manawa hoʻouna: Sep-01-2025