I loko o ka hale hana Jinbin, he mau kinoea i hana ʻianā pahu hoʻoheheʻeno ka mea, ua hoʻomaka nā mea kūʻai aku i ka ʻeke a mākaukau no ka hoʻouna ʻana. ʻOkoʻa ka nui mai DN405/806/906, a ua hana ʻia me ke kila kalapona. ʻO ka carbon steel air damper, me kona mau hiʻohiʻona o ka "hoʻomanawanui kiʻekiʻe, hoʻopaʻa paʻa ikaika a me nā kumu kūʻai haʻahaʻa", kūpono i nā kūlana hana paʻakikī a me nā koi hoʻokele waiwai o ka ʻoihana mining a me ka hoʻoneʻe lepo, a ua lilo i mea koho nui no ka mālama ʻana i ka ea i kēia mau hiʻohiʻona ʻelua.

Mai ka hiʻohiʻona o ka hoʻomanawanui ʻana i ke kūlana hana, i nā ʻōnaehana mining a me ka hoʻoneʻe ʻana i ka lepo, pono nā ʻea ea e kū i ka wā lōʻihi o ka hoʻoheheʻe ʻana o ka lepo kiʻekiʻe, ka hopena waiwai a me nā loli o ka manawa. He kiʻekiʻe ka rigidity a me ka paʻakikī o ka waihona kalapona kila. Ma hope o ka hoʻopau ʻana, ka sandblasting a i ʻole ka hoʻoulu ʻana i nā uhi pale pale (e like me ka epoxy resin, nā ʻāpana seramika), hiki ke hoʻonui hou ʻia kona pale ʻana, me ka pale ʻana i ka ʻaʻahu ʻana o nā mea paʻakikī e like me ka lepo oka a me ka lepo lanahu, a me ka pale ʻana i ka pau ʻole o ka sila ʻana ma muli o ka deformation o ka pā valve a me ka noho valve ma muli o ka ʻino. I kēia manawa, he ikaika kiʻekiʻe ka hana kila kalapona a hiki ke kū i ka piʻi ʻana o ka puʻe o ± 5kPa i loko o ke kahawai ea. I nā hiʻohiʻona e like me ka hoʻoheheʻe ʻana i lalo o ka lepo a me nā ʻōnaehana hoʻoneʻe lepo i loko o ka ʻoihana mining, ʻoi aku ka liʻiliʻi o ka hoʻoheheʻe ʻana i ka puʻuwai maikaʻi ʻole ke kumu o ka deformation kino o ka valve, e hōʻoia ana i ka paʻa o ka hana lōʻihi.

Ma keʻano o ka hoʻopaʻaʻana i ka hana a me ka hoʻohālikelikeʻana, he mau koi koʻikoʻi kaʻoihana hoʻohemo lepo no ka hana hoʻopaʻaʻana o nā lewa ea. Hiki ke hoʻokō i ka sila maikaʻi a pale i ka hōʻemi ʻana i ka hoʻohemo ʻana o ka lepo ma muli o ka leakage o ka ea. Eia kekahi, hiki ke hana ʻia ke kila kalapona e ka welding, e hana maʻalahi ai i ka hana ʻana i nā kīwaha ea nui (e like me 2m × 1.5m), i kūpono no ka hoʻonohonoho pono ʻana o nā tunnels ventilation nui a me nā lewa ea nui o nā ʻōnaehana wehe lepo i ka ʻoihana mining. ʻO ka mea like ʻole, ʻoi aku ka maikaʻi o nā mea e like me ke kila kila i ka welding deformation i ka wā o ka hana nui a ʻoi aku ka nui o nā kumukūʻai.

ʻO ka hoʻokele waiwai a me ka mālama ʻana ʻo ia nā pōmaikaʻi nui. ʻO ke kumu kūʻai o ke kila kalapona he hoʻokahi hapakolu wale nō o ke kila kila 304. Hiki ke hoʻemi nui ka palapala noi ʻana i ka hoʻopukapuka mua ʻana i nā hana eli a me ka lawe ʻana i ka lepo. I kēia manawa, he ʻano maʻalahi ke ʻano o ka pahu kila kila a me ka honua ikaika (e like me ka valve shafts a me ka actuator interface). He mea maʻalahi ke hoʻololi i nā ʻāpana i ka wā o ka mālama ʻana ma hope me ka ʻole o ka pono o nā mea hana kūikawā. ʻOiai inā he ʻōpala liʻiliʻi ma luna o ka ʻili, hiki ke hoʻoponopono ʻia e ka sandblasting no ka wehe ʻana i ka ʻōpala a kau i ka pena anti-corrosion. ʻOi aku ka haʻahaʻa o ke kumukūʻai o ka hana a me ka mālama ʻana ma mua o ka hoʻoheheʻe ʻana i nā mea hao.

ʻO Jinbin Valve, kahi mea hana valve air damper valve he 20 mau makahiki, hana a hana e like me nā pono o ka mea kūʻai. Inā loaʻa iā ʻoe kekahi mau koi pili, e ʻoluʻolu e kelepona mai iā mākou ma lalo a e loaʻa iā ʻoe kahi pane i loko o 24 mau hola!