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Nā ʻŌnaehana Pepa Tunnel Hoʻōla ʻia no ka hoʻoheheʻe ʻana

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 Nā ʻŌnaehana Pepa Tunnel Hoʻōla ʻia no ka hoʻoheheʻe ʻana 

2026-05-16

ʻOi aku ka ʻoi aku o ka hoʻoheheʻe ʻana o ka tunnel ma mua o ke kahe ʻana o ka ea — koi ʻo ia i ka hilinaʻi ma lalo o ke kaomi, ka palekana ma nā wahi paʻa, a me ka mālama ʻana i ka ikehu hiki ke ana i nā makahiki o ka hana. I ka holo ʻana o nā mea pā i 24/7 ma nā ala ala, nā pahu kaʻaahi, a i ʻole nā ​​​​mea aʻu, ʻo ka loaʻa ʻana o ka pono he 15% ʻaʻole ia he kumu. ʻO 28,000 kWh i mālama ʻia i kēlā me kēia makahiki ma kahi ʻāpana 75 kW hoʻokahi. ʻOi aku ka haʻahaʻa haʻahaʻa wela ma nā wili kaʻa. ʻOi aku ka liʻiliʻi o nā pani i hoʻolālā ʻole ʻia i ka wā o ka huakaʻi kiʻekiʻe. ʻO ia ke kumu e hōʻike nui ai nā ʻenekinia ʻO ka hana mālama mālama i ka ikaika ʻōnaehana—ʻaʻole ma ke ʻano he hoʻonui, akā ma ke ʻano he kumu hoʻolālā kumu.

 

No ke aha e hāʻule pōkole ai nā mea hoʻokele tunnel ma lalo o nā haʻahaʻa maoli

Ua ʻike mākou iā ia ma nā papahana tunnel 37 mai 2021: hāʻule nā ​​mea pā i ka "82% efficiency" i 64% in situ. No ke aha mai? ʻO ka mea mua, ʻaʻole hiki ke hoʻohālikelike pololei ʻia nā poho puʻe mai ka piko o ka duct, grilles, a me nā dampers ahi i ke koho ʻana. ʻO ka lua, hoʻohaʻahaʻa i ka hana kaʻa kaʻa induction - ʻoi loa ma ka haʻahaʻa haʻahaʻa. ʻO ke kolu, nele ka hapa nui o nā ʻāpana hoʻoilina i ka manaʻo manaʻo maoli; holo lākou i ka wikiwiki paʻa me ka nānā ʻole i ka manaʻo CO, ʻike, a i ʻole ka nui o ke kaʻa. Hoʻokahi mea kūʻai ma ka ʻāina ʻo Gansu i hoʻopaʻa i ka 41% manawa holo ma ka wikiwiki holoʻokoʻa-ʻoiai ua hōʻike nā mea ʻike maikaʻi o ka ea i ka ea kūpono no 68% o ka lā.

 

Ka hopena? Ua pau ka uila, hoʻopaʻa ʻia i ka lawe ʻana, a me ka hāʻule ʻole o ka insulation. ʻOi aku ka maikaʻi: nā papa hana hoʻoponopono e mālama i nā hōʻailona - ʻaʻole nā ​​kumu kumu.

 

ʻEhā ʻEnekinia Lele e hāʻawi i ka mālama ʻana i ka ikehu maoli

ʻOiaʻiʻo ʻO ka hana mālama mālama i ka ikaika hele mai ka hana mai ka hoʻoponopono hoʻonohonoho ʻana—ʻaʻole hoʻokahi pōkā kālā. Eia ka mea e hana ana ma ka hana:

 

  • EC Motor Integration: E hoʻololi i nā mīkini hoʻokomo IE3 maʻamau me nā ʻāpana uila i hoʻololi ʻia (EC). Loaʻa iā mākou he 89-92% ka hoʻokō ʻana i nā kaʻa ma waena o 20-100% o ka hoʻouka ʻana - ʻaʻohe derating i nā wikiwiki haʻahaʻa. Hoʻopau pū nā kaʻa EC i nā poho paheʻe a hāʻawi i ka mana torque pololei.

 

  • Aerodynamic Refinement: ʻO nā ʻaoʻao wīwī o ka blade, ka ratio hub-to-tip, a me nā kihi puka alakaʻi vane pili pono i ke kū ʻana o ka ʻōnaehana. Ke hoʻohana nei kā mākou mau mea hoʻoheheʻe tunnel FBD i ka CFD-validated blade geometry e hōʻemi ana i ka nalo puʻupuʻu i hoʻoulu ʻia e 11.3% ma mua o nā hōʻailona ISO 13348.

 

  • Hoʻolike hoʻouka naʻauao: E hoʻohui i nā mea hoʻololi-frequency drive (VFDs) me ka ʻikepili o ka maikaʻi o ka ea manawa maoli—ʻaʻole wale ka hoʻonohonoho ʻana i ka manawa. Ua ʻoki ʻia kahi kaila lua-fan ma Shandong i ka hoʻohana ʻana i ka makahiki ma 33% ma hope o ka hoʻohui ʻana i ka NO₂ a me nā ʻike ʻike i pili i nā wahi hoʻonohonoho VFD.

 

  • ʻO ke kūkulu ʻana i ka corrosion: ʻO ka ea paʻakai, nā ʻāpana diesel, a me ka haʻahaʻa e hoʻopōʻino i nā hale a me nā impeller. Hoʻonui nā ʻili i hoʻohaʻahaʻa ʻia i ke kauo a me ke kaulike ʻole. Mālama ka Titanium a me ka epoxy-coated carbon steel i ka pono aerodynamic no 15+ mau makahiki—ʻaʻole like me ke kila māmā ʻaʻole i mālama ʻia, e nalowale ana ka 4-6% pono i ka makahiki 3 wale nō.

 

ʻAʻole koho ʻia ka hana maʻamau-ʻAʻole hiki ke kūkākūkā

Hiki i kekahi ke hoʻopaʻapaʻa e hoʻokō nā mea pā i waho o ka papa i nā koi code-a hana lākou. Akā ʻaʻole ʻo ka hālāwai ʻana i nā mea liʻiliʻi e hōʻoiaʻiʻo i ke kūpaʻa hana. I loko o kahi koli lanahu kokoke i Xuzhou, ua hāʻule pinepine nā mea pā axial maʻamau ma muli o ka ʻāhuehue o ka lepo lanahu a me ka pilikia methane. ʻAʻole i ʻoi aku ka mana o ka hoʻoponopono - ʻo ia ka palapala hōʻoia pahū (dⅠ), nā lau i uhi ʻia i ka seramika, a me nā hale i hoʻopaʻa ʻia me ka hoʻomaʻemaʻe nitrogen maikaʻi. Ke holo nei kēlā ʻāpana i nā hola 14,200 me ka mālama ʻole.

 

Hoʻokumu ʻo Zibo Hongcheng Fan Co., Ltd. i kēia pae kikoʻī i kēlā me kēia ʻO ka hana mālama mālama i ka ikaika kauoha. ʻAʻohe palapala hoʻopaʻa inoa. ʻAʻohe "hoʻohālike maʻamau + mea hoʻohui." Ma kahi: ʻenehana kikoʻī noiʻi mai ka lā hoʻokahi - inā ʻoe e pono -40°C hiki ke hoʻomaka anuanu no kahi alaloa Qinghai alaloa a i ʻole IP68 i helu ʻia no nā kumu metro lalo wai.

 

E nānā ma waho aʻe o ka papa inoa—E koi i ka ʻikepili kahua i hōʻoia ʻia

He mea ʻole nā koi ikaika me ka ʻole o ka pōʻaiapili. E noi no: kaha kaha kaha i ana ma 30%, 60%, a me 100% kahe; vibration spectra i ka holo wikiwiki; a me nā hōʻike hoʻāʻo ʻekolu ʻaoʻao no GB/T 1236-2017 a me ISO 5801. Ma Zibo Hongcheng Fan Co., Ltd., e holo ana kēlā me kēia mea peʻahi tunnel he 72-hola i hoʻohālikelike ʻia i ke kaʻa kaʻa ma mua o ka hoʻouna ʻana—hoʻopiha ʻia me nā pihi kūʻē ductwork maoli, ʻaʻole i kūpono i nā kūlana lab.

 

ʻIke ʻia ka uku. Hoʻokahi kaʻaahi kaʻaahi 2.4 km ma Yunnan i hōʻemi i kona ea OPEX e ¥187,000 / makahiki me ka hoʻohana ʻana i kā mākou mea hoʻohana maʻamau EC-driven centrifugal tunnel. Uku: 2.8 makahiki. ʻOi aku ka mea nui: ʻaʻole i hoʻopau ʻia i loko o 22 mau mahina o ka lawelawe.

 

Hoʻomaka ka hoʻoheheʻe ʻana o ka tunnel maikaʻi ma kahi e hui ai ke kumumanaʻo me ka ʻāina. Pono ia i nā mea pā i hana ʻia no ka lepo, ka pulu, ka lepo - ʻaʻole wale ka ʻikepili. Ke koi ʻia kāu pāhana i ka hilinaʻi i ana ʻia i loko o nā makahiki he ʻumi a ʻike ʻia ka mālama kālā i nā kilowatt-hola no ka mika o ka lua, e hoʻomaka me ke kahe ea e loaʻa ai kāna mālama. E hoʻomaka me kahi ʻO ka hana mālama mālama i ka ikaika i kūkulu ʻia no ka hana—ʻaʻole kūʻai wale ʻia no ia hana.

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