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Western Australia Sands Company Keppel Waterfront Sands (Australia)
I. Overview
Australia's waterfront sands are rich in resources, mainly from the coast of Sydney to the coast and islands of Burlington, Queensland, and the West Coast of Australia's Einiba to Kapil Coast.
The waterfront sand mine of the Western Australian Mineral Sands Company is about 15 kilometers from the coastline, and the ore body is parallel to the shoreline. Heavy mineral ore content of 12% to 5% in weight of mineral monazite only 0.5%, the Other major iron titanium ore, leucoxene, zircon and small amounts of rutile
The mining area was mined with a 25 m 3 jack-up scraper, and a bulldozer intermittently loosened the ore in the knotted section. The produced ore heap exists near the coarse screening site 400 meters away from the working surface as the selected ore.
Second, rough selection plant
The raw ore sent to the roughing plant is sieved in three stages: the first stage of the double-layer sieve is sprayed with high-pressure water ore, and the second and third stages of the sieved product are then sieved with a cylinder scrub to screen the package. The heavy minerals in the clay are dissociated, and the sieved product is removed by vibrating screen to remove +2 mm of waste rock. The -2 mm product is concentrated by a cyclone and sent to a conical concentrator . After a coarse, one sweep, two selections The closed process obtains a coarse concentrate. The process of the Kaipaer roughing plant of the Western Australian Minerals Company is shown in Figure 1.
Figure 1 Process of Keppel roughing plant of Western Australia Minerals Company
Third, the selection plant
The Kappel Select Plant process of the Western Australian Minerals Company (Figure 2) consists of: first separating the ilmenite by magnetic separation; then electrifying the ilmenite by electric separation and wind shaker; weak magnetic products and non- The conductor products are combined, spiraled, scrubbed, graded, piled up, dehydrated and dried, and used as the next stage of separation. The ore is subjected to high-pressure roll electric selection and two sieve-plate electro-selection to remove conductor minerals; non-conductor products are separated from zircon by induction roll magnetic separation and wind shaker; another strong field induction roll type The magnetic separation separates the non-magnetic products, and the magnetic products are selected by the wind shaker to obtain the monazite concentrate. The conductor minerals are then subjected to induction roll magnetic separation and high-pressure roll electric selection and sieve plate type electrification to obtain the white titanium concentrate. .
Figure 2 Process of the Keppel Select Plant of the Western Australian Mineral Sands Company
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