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What Is Screw Sand Washing Used For

The screw washer adopts inclination of 15°, under the water tub, three weir plates form the sediment pool, the screw head is immersed in this pool, the screw is driven by electric motor through reducer rotating continuously, the fresh water is feeding from porous plate at bottom of sediment pool, this machine have three functions of washing, dewatering, classifying.Working principle of screw sand washing washing:the sand is feeding into the sediment pool from the feeding box, acting by rotating screw blade, the sand is turning and rolling and grinding each other to eliminate impurity and water-air layer around sand to facilitate de-water.The fresh eater rising current from the porous plate carry foreign matter to water surface and overflow the weir plate, to finish washing processing de-watering:the sand with bigger density is sunken down to tub bottom, the screw blade pushes this sand upwards, when passing through upper tub of proper length above water level, the water is draining into sediment pool from another drainage ditch, the de-watered sand is out from the discharging opening.Classifying:material classifying is realized by overflowing the non-needed fines, the controlling method is adjusting height of overflowing weir and adjusting speed of screw.Main specifications of screw sand washing in my company shanghai joyal mining machinery co., ltd.: model spiral diameter (mm) number of spiral (pcs) feeding size (mm) capacity (t/h) water consumption (m3/h) motor power (kw) overall dimensions (mm) weight (t) xl-762 762 1 <10 75 9-63 11 9070×2650×1530 5.20 2xl-762 762 2 <10 140 20-150 2×11 9070×3250×1530 7.45 xl-914 914 1 <10 100 10-80 15 9070×2650×1638 6.35 2xl-914 914 2 <10 200 60-300 2×15 9070×3510×1638 11.30 xl-1118 1118 1 <10 175 13-168 22 9070×2830×1900 12.70 2xl-1118 1118 2 <10 350 60-600 2×22 9070×3890×1900 16.50 shanghai joyal mining machinery co., ltd is a high-tech enterprise, which is specializing in the research, development, and manufacture of industrial stone crushing & screening equipments, grinding mills, mining equipments and so on.Our company has already formed a full set of modern production line, equipped with intelligent and standardized testing, controlling laboratories, and owned a professional team of r & d, production, sales and service.So far, we have established a whole production chain, of which main products cover stone crushing & screening equipments: jaw crusher, cone crusher, impact crusher, vertical impact crusher, hammer crusher, vibrating feeder, oscillating screen, sand washer, belt conveyor;and grinding machinery: raymond mill, high-pressure suspension mill, ultrafine and roller mill, ball mill and so on.They are widely used in the industry of mining, construction materials, chemicals, metallurgies, transportation, hydraulic engineering and so on.Our products are not only renowned in more than 20 provinces and cities in domestic markets, but also have being sold popularly in more than dozens of countries and areas all over the world like eastern europe, middle east, africa, south asia, southeast asia, oceania, and central and south america etc.Shanghai joyal mining machinery co., ltd.Add: no.3389, east huaxia road, pudong new area, shanghai, china tel: 763311 763366 fax: 763366.

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