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Hoʻohana Wīwī Palapala Hoʻoohao Līwī i ka Pale Ohe

Source: Hōʻike Hoʻomohala International Dredging

Hui Pūnaewele Waiwai Corp. ke hana nei i kahi dredger bucketwheel ma Green Cove Springs, Florida, ma ka hema o Jacksonville. ʻEʻeli ka dredge "Rocky Ford" i ke one hānau mineral e piha ana i ka rutile, zircon, a me ka ilmenite.

Hoʻohana ka dredge i kahi pā 22 mika. Ke hoʻolako nei kahi limahana o 108 i ka dredge, ka māla i mākaukau ma hope o ka pahuhopu, ka hale maloʻo ma ke kahua o ka hui, a me ke keʻena. Hoʻololi ka dredge i nā hoʻololi he ʻekolu mau hola i kēlā me kēia lā, 363 mau lā o ka makahiki. Kaomi liʻiliʻi ka dredge i kāna ala ma ka waihona mālama, aia ma ka māla lāʻau Union Camp. Ua ʻohi ʻia nā kumulāʻau a huki ʻia nā kihi a waiho ʻia i mua o ka pā. Hoʻolā ka ʻeleʻele i ka pahu pīpī, e waiho ana i kahi waiho maemae keʻokeʻo, ka mea i kālai ʻia, i uhi ʻia me ka topsoil a kanu ʻia i ka mauʻu.

He ʻelima mile ka mamao mai ka hale waihona hale, ma lalo iho o nā ala ʻāina, ma ka māla lāʻau a hiki i kahi o ka wahi i ʻike ʻia no ka wai i ʻike ʻia i ka wai. Hōʻalo ka dredge i ka lateral 1,000 i 1,200 wāwae lōʻihi, huki ʻia e nā wili heleuma.

ʻ diglelo ke kiaʻi o ka pahu pīpī ma ka lalo o ka waihona, kahi i kālai ʻia i ka waihona i kahi e hoʻopili ai i ka minuke. Me ka pahu ukiuki, ʻeli ʻo ia i 900 a 1,200 tons i kēlā me kēia hola, kahi e unuhi ai i 20,000 tons i ka lā a ʻehiku miliona mau tausani i kēlā me kēia makahiki. Ua kūʻai ʻia ʻo AMC i ka pahu hue 500 HP mai Ellicott® ʻO kahi mīkini o Baltimore e kahuli i kahi ʻoki ʻoki rotary 1200 HP. Ma ka Elleta® kahi pahu wai waʻa i waho e hana i ka ʻekena ma mua o ka 2: 1 ʻoi aku ka liʻiliʻi ma ka hapalua o ka hoʻohana ʻana i ka mana.

Hoʻopili ʻia ka mea i ka piko o ka wili ʻehā papa kiʻekiʻe e ukali i ka dredge, e hele ana i loko o kahi pahu e lawe ai i ka nui, a laila ma o ʻekolu mau set o nā spirals e hoʻokaʻawale ana i nā minelala kaumaha ma kahi o ka 85 pākēneka noʻonoʻo. Hoʻopili ʻia ka mineral ma kahi o 4,800 kapuaʻi ka mamao, ʻūlū ʻia e ka paipu polyethylene ʻeono iniha e hoʻohana ana i ʻekolu mau paipu 5X4 ″ Lawe nā kalaka iā ia i ka hale wili maloʻo kahi kahi o ka umekaumaha a me nā kaʻina uila i hoʻokaʻawale i nā minelala.

Ua wehewehe aku ka luna o ka hui i ka pahu no ka hale o kahi kahakai kahiko kahi i waiho ai nā ore i kahi lua nui i ka pū wai. ʻO ka waihona mālama mai ka Pōʻalima mai i hoʻokahi mile ka laulā, 35 mau wāwae hohonu a loaʻa iā 100 miliona mau tonika. ʻO ke kai kahakai ʻo 15 mile i uka i kēia manawa.

Hoʻonohonoho nā puke a ka hui i ka hana makahiki o ka hana ma Florida ma 30,000 tone o rutile, 35,000 tone o ka zircon a ʻoi aku ma mua o 60,000 tone o ilmenite, a me nā leucozene, monazite, a me staurolite. ʻO ke kiʻekiʻe o ka mineral he kiʻekiʻe loa, a ʻo ka zircon kahi pae o ka maʻemaʻe kūpono no nā noi ceramic koʻikoʻi.

ʻO nā Minced Associaries kekahi o nā kaila minima loea nui loa i ka honua. ʻO ka ʻoihana kahi māhele o RGC Ltd. (Renison Goldfields).

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