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Home > aluminum dross and aluminum slag processing top 3 methods

Aluminum dross and aluminum slag processing 3 methods

 

 

Aluminum dross is one kind of by-products of aluminum industry, aluminum content from that will share 1%-12% of the total loss in the aluminum production process. Recovery aluminum from aluminum dross can reduce the cost, protect the environment, save the energy and improve resource utilization, which has big economic and social benefits.

 

MRM method (Metal recycling machine), this process is sending the hot aluminum slag and aluminum dross from melting furnace to the machine with the stirrer directly, make the liquid aluminum deposited in the bottom of melting furnace, Adding heating agent into the machine to make the aluminum dross keep requested temperature.  The rest aluminum slag can be further sieved, pulverized, melted and recovered for the second recovery processing.  The recovery rate can be 91% and the burning rate of aluminum can be reduced to 4%.

 

The press recovery process method,  Press 15Mpa pressure on it, the liquid metal of slag will flow down to the lower container under the pressure; the oxidation of slag that is pressed will be ended, the oxide will be muffled in the metal shell. At the same time, the metal shell of slag will transfer the heat to the pressure head and slag tray, the cooling water of pressure head will take away lots of heating, which will make the slag temperature reduced from  more than 800℃ to below 450℃, to prevent the oxidation of metal because of high temperature.

 

ALUREC Method. Rotary aluminum melting furnace, Oxygenenrichment natural gas as the fuel, can get to high temperature in a short time. Liquid aluminum lay down the bottom of melting furnace; Non-metallic slag will float on the top of melting furnace. The method is featured with high efficiency, low energy consumption, good running environment. Pure oxygen will be used as oxidizer effective to reduce the organic gases generated in the combustion process. Gas hoods can effectively recover the other dust, with high efficiency, high degree of mechanization and good running environment advantages. The shortage is the residual aluminum dross needs to be further processed.

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Aluminum dross and aluminum slag processing top 3 methods