%PDF-1.3 1 0 obj << /Type /Catalog /Outlines 2 0 R /Pages 3 0 R >> endobj 2 0 obj << /Type /Outlines /Count 0 >> endobj 3 0 obj << /Type /Pages /Kids [6 0 R ] /Count 1 /Resources << /ProcSet 4 0 R /Font << /F1 8 0 R /F2 9 0 R >> >> /MediaBox [0.000 0.000 612.000 792.000] >> endobj 4 0 obj [/PDF /Text ] endobj 5 0 obj << /Creator (DOMPDF) /CreationDate (D:20211203230230+00'00') /ModDate (D:20211203230230+00'00') /Title (Report 12-2021) >> endobj 6 0 obj << /Type /Page /Parent 3 0 R /Contents 7 0 R >> endobj 7 0 obj << /Length 2999 >> stream 0.882 0.000 0.176 rg BT 34.016 732.493 Td /F1 18.0 Tf [(Dross recycling with JOEST technology)] TJ ET BT 34.016 708.205 Td /F2 9.0 Tf [(Categories: )] TJ ET 0.200 0.200 0.200 rg BT 82.535 708.205 Td /F2 9.0 Tf [( Foundry & Steel Industry )] TJ ET 0.000 0.000 0.000 rg BT 34.016 691.416 Td /F2 9.0 Tf [(Published June 27,2019)] TJ ET 0.200 0.200 0.200 rg BT 34.016 643.127 Td /F2 9.0 Tf [(JOEST builds plant with specially developed ball mills to process aluminum dross.)] TJ ET BT 34.016 600.838 Td /F2 9.0 Tf [(JOEST received an order, to build a processing plant for aluminum dross to be delivered by the end of 2019. The client from Krakau, )] TJ ET BT 34.016 584.050 Td /F2 9.0 Tf [(Poland is a leading supplier of aluminum alloy in fluid form.)] TJ ET BT 34.016 567.261 Td /F2 9.0 Tf [(Dross is formed, when the oxide film on top of fluid molten metal is scraped off using a rake-like tool. Usually, dross consists of )] TJ ET BT 34.016 550.472 Td /F2 9.0 Tf [(approximately 40-60% metal and 60-40% oxide. The objective of such a plant is to separate the metal from the oxide, to retrieve the )] TJ ET BT 34.016 533.683 Td /F2 9.0 Tf [(metal as pure as possible and to dispose the oxide as waste. The oxide portion is also referred to as slag or dross.)] TJ ET BT 34.016 491.395 Td /F2 9.0 Tf [(The client is a secondary aluminum smelter mainly delivering fluid aluminum in big, thermally insolated containers with a temperature )] TJ ET BT 34.016 474.606 Td /F2 9.0 Tf [(loss of only 10C/h, for the automobile industry. The aluminum alloy arrives ready to be casted. Secondary aluminum consists of )] TJ ET BT 34.016 457.817 Td /F2 9.0 Tf [(recycled material such as scrap metal, swarf, wheel rims and recycled material from the founding process. The client has an annual )] TJ ET BT 34.016 441.028 Td /F2 9.0 Tf [(production of approximately 200,000t of aluminum.)] TJ ET BT 34.016 398.740 Td /F2 9.0 Tf [(The developed dual lane plant is capable of processing 2.1m of dross per hour. The bulk density of aluminum dross is 1.4 t/m. It is fed )] TJ ET BT 34.016 381.951 Td /F2 9.0 Tf [(by front loaders, which discharge the metal portion in a container. The core of the machine are two specially developed JOEST ball mills.)] TJ ET BT 34.016 339.662 Td /F2 9.0 Tf [(The main difference to other plant designs is that on the one hand, the degree of purity of the aluminum is very high. Depending on the )] TJ ET BT 34.016 322.873 Td /F2 9.0 Tf [(set value, it lies between 90-97%. On the other hand, the duration of treatment for one batch \(the machine operates in batches\) is )] TJ ET BT 34.016 306.085 Td /F2 9.0 Tf [(regulated automatically by a closed control loop. JOEST is looking forward to a successful business relationship and is eager to take on )] TJ ET BT 34.016 289.296 Td /F2 9.0 Tf [(new challenges in the field of processing plants for all sorts of bulk material.)] TJ ET BT 34.016 242.507 Td /F2 9.0 Tf [(Tags: JST,Dross Recycling,Ball Mill)] TJ ET endstream endobj 8 0 obj << /Type /Font /Subtype /Type1 /Name /F1 /BaseFont /Helvetica-Bold /Encoding /WinAnsiEncoding >> endobj 9 0 obj << /Type /Font /Subtype /Type1 /Name /F2 /BaseFont /Helvetica /Encoding /WinAnsiEncoding >> endobj xref 0 10 0000000000 65535 f 0000000008 00000 n 0000000073 00000 n 0000000119 00000 n 0000000283 00000 n 0000000312 00000 n 0000000450 00000 n 0000000513 00000 n 0000003564 00000 n 0000003676 00000 n trailer << /Size 10 /Root 1 0 R /Info 5 0 R >> startxref 3783 %%EOF July 12, 2019 Dross recycling with JOEST technology » JÖST GmbH + Co. KG

Dross recycling with JOEST technology

Categories: Published 06/27/2019

JOEST builds plant with specially developed ball mills to process aluminum dross.

JOEST received an order, to build a processing plant for aluminum dross to be delivered by the end of 2019. The client from Krakau, Poland is a leading supplier of aluminum alloy in fluid form.
Dross is formed, when the oxide film on top of fluid molten metal is scraped off using a rake-like tool. Usually, dross consists of approximately 40-60% metal and 60-40% oxide. The objective of such a plant is to separate the metal from the oxide, to retrieve the metal as pure as possible and to dispose the oxide as waste. The oxide portion is also referred to as slag or dross.

The client is a secondary aluminum smelter mainly delivering fluid aluminum in big, thermally insolated containers with a temperature loss of only 10°C/h, for the automobile industry. The aluminum alloy arrives ready to be casted. Secondary aluminum consists of recycled material such as scrap metal, swarf, wheel rims and recycled material from the founding process. The client has an annual production of approximately 200,000t of aluminum.

The developed dual lane plant is capable of processing 2.1m³ of dross per hour. The bulk density of aluminum dross is 1.4 t/m³. It is fed by front loaders, which discharge the metal portion in a container. The core of the machine are two specially developed JOEST ball mills.

The main difference to other plant designs is that on the one hand, the degree of purity of the aluminum is very high. Depending on the set value, it lies between 90-97%. On the other hand, the duration of treatment for one batch (the machine operates in batches) is regulated automatically by a closed control loop. JOEST is looking forward to a successful business relationship and is eager to take on new challenges in the field of processing plants for all sorts of bulk material.



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