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11Series 370 Dragon® Dredge

Ke hoʻoponopono hou nei i nā huila hoʻouku (Gold & Silver) me Ellicott Dredges

LEPUBALIKA DOMINIKA - Ma ka mōʻaukala, nā kaʻina hana hoʻoilo me nā uku hoʻemi ʻole i hopena ʻumi me nā nui o nā mea e hoʻihoʻi ʻia. Hiki ke hoʻokō i ka lawe ʻia o kēia kumuwaiwai me ka lawe ʻana i ka ʻōkuole.

Aia kekahi mau mea e hōʻoia ai i ka hoʻopili a me ka hana hou ʻana o nā lei.

  • Pono i nā hiehie nā kumu waiwai liʻiliʻi ke hoʻohālikelike ʻia i ka mining maʻamau. ʻO kahi laʻana, hiki i kahi dredge - i kahi kaʻina hoʻokahi - lawe a lawe i nā mea i kahi mea kanu hana aia ma kahi o nā kilomita. Hoʻoemi kēia i nā kumukūʻai e pili ana i nā lako pono, hana, wahie a me ka mālama ʻana.
  • Ke holomua i ka ʻenehana hana hou
  • Hoʻoponopono i ka hana ʻana no ka hana hoʻomohala hou no ka hoʻonui ʻana i ka wāwae wāwae a me ka ʻole e koi aku i nā palapala ʻokoʻa.

 Las Lagunas, Pueblo Viejo Tailings Dam

Aia ka papahana ma Dominican Republic, 105km ʻākau o Santo Domingo. ʻO ka mea nona ka papahana ʻo Panterra Gold / Envirogold o Australia. Ua hoʻokumu ʻia nā huina gula a me nā kālā mai nā hana mining maʻamau ma waena o 1992 a me 1999. Ua maikaʻi ʻole ka loaʻa hou ʻana o ka hana mining (<30%) a ua waiho ʻia ka nui o nā ore i loko o ka dam. Loaʻa i ka dam ka 5,137 miliona metric tonnes o nā ore, e helu ana i ke gula 3.8 g / t a me 38.6 g / t kālā.

I 2012, ua kūʻai ʻo Envirogold i kahi pahu kalai hoʻokahi Ellicott 370 i mea e kāʻili ai i nā huelo mai ka mākaʻi a pīpī iā lākou i kā lākou hana hōʻōla.

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Ua hoʻohana ʻia ka dredge e huki ai i nā mea ma ka hohonu o 8m a pauma iā lākou ma ke ʻano he mamao ma waena o 500m a me 800m a me kahi kiʻekiʻe o 11m. Hoʻopili ʻia ka slurry me ka hoʻohana ʻana i ka paipu HDPE 10-ʻīniha. Hana ka dredge a pauma i ka slurry me kahi 28% density. Loaʻa i nā huelo i kahi kiko kikoʻī o 2.69 a me ka nui o ka wai i 1.71t / m3.

I mea e hoʻonui ai i ka hana hana a hāʻawi mau i ke kūpono aʻe i ka hana, kūʻai ʻia ʻo Envirogold i kekona 370 dredge mai Ellicott ma 2013.

Ke hoʻolako nei ka dredges i kēia manawa e hoʻolako i ka 24 hola i kēlā me kēia lā kanu hānai, nā lewa hou e hoʻokō ai i ka hana ʻana, me kahi pūʻulu o kahi (1) pākahi i ka dredge a me ʻelua mau mea kōkua (2) i kēlā me kēia hoʻololi.

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I mea e mālama pono ai i nā mea a me ka wai mai ka hana dredging, ua hoʻokaʻawale ʻia ka dam i nā ʻāpana liʻiliʻi i ʻike ʻia ʻo ka paʻa ʻana i nā loko. I ka manawa i kahi ʻia ai kahi ʻāpana o ka wai, hoʻohana ʻia ka hakahaka e hoʻohana hou ʻia i nā huelo i hana ʻia mai ka mea kanu, a pēlā e mālama ai i ka wāwae o ka dam. Hoʻohana ka hana dredge i ka wai e kū nei ma ka dam. Hoʻopiʻi hou ʻia ka wai i ʻeli ʻia i ka loko iʻa a no laila ʻaʻole koi ʻia kahi wai hou.

I nā mahina ʻekolu o 2013, ua lawe ka pipi mua a kāomi i ka pili o 80,000 m3 o nā huelo i ka mākela hoʻoili.

ka Ellisott Series 370 standard dredge kahi ʻoki diesel Powered suction dredge me kahi paipu 12 ″ x10 and a me 440 HP o ka mana i hoʻonoho ʻia. He mana ikaika loa ia, hilinaʻi a lawe ʻia hoʻi no kēia ʻano noi. Hāʻawi ʻia ka ʻāpana mua me kahi mea ʻoki kuʻuna, ʻoiai ka lua o ka anakahi i loaʻa kahi mea ʻokiʻoki pākeke.

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Ma o kahi kuikahi hana kūikawā, ua hoʻohana ka poʻe loea ʻo Ellicott Field Service i nā mea kanu ʻelua no ka manawa o 3 mau mahina ma 2014. Mālama kēia lawelawe i ka mea kūʻai aku e hoʻonui i ka hana o nā dredges a hoʻomaʻamaʻa i kāna mau mea hana i ka hana hoʻokō maikaʻi.

Hana nā mākeke a me nā ʻenehana i ka hana hou ʻana o nā huelo a ʻoi aku ka maikaʻi. Ma muli o kona hiki ke hiki ke hilinaʻi i ka lawe ʻana mai i ka nui o nā mea a halihali iā lākou me ka ʻole o ka ʻālua paʻa, kahi dredge ka hale hana kūpono no kēia mau papahana. Me ka ʻoi aku o 125 mau makahiki o ka hoʻolālā hoʻolālā ʻana a me ka hana ʻana i ke kiʻekiʻena kiʻekiʻe, nā dredges mana a hilinaʻi hoʻi, ʻo Ellicott Dredges ka hopena kūpono!

Nā Māhele Nūhou Nūhou a me nā Nānā