Electric arc furnace dust recycling apparatus and method
AssigneeEmpire Technology Development LLC
InventorEzekiel Kruglick
Life of this patent
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Abstract
The present technology provides an illustrative apparatus for recycle electric arc furnace (EAF) dust and method of use related to the same. The apparatus has a heat controlling region coupled to a separation volume and includes at least one magnet and a cooling region. The heating controlling region operates at a temperature sufficient to transform at least some of the EAF dust into a mixture of gaseous zinc and one or more additional metals. The magnet separates the iron-rich material from the mixture of gaseous zinc and one or more additional metals and the cooling region condenses the gaseous zinc.
Claims24
A method for recycling electric arc furnace (EAF) dust material, the method comprising:
- controlling a temperature of EAF dust material within a heat controlling region such that the temperature of the EAF dust material is sufficient to transform at least a portion of the EAF dust material into a mixture of gaseous zinc and one or more additional metals, wherein the one or more additional metals comprise iron-rich material and steel additives;
- separating the iron-rich material from the mixture of gaseous zinc and one or more additional metals;
- directing the gaseous zinc to a cooling region;
- and
- condensing the gaseous zinc within the cooling region.
An apparatus for recycling electric arc furnace (EAF) dust material, the apparatus comprising:
- a heat controlling region configured to control a temperature of EAF dust material such that the temperature of the EAF dust material is sufficient to transform at least a portion of the EAF dust material into a mixture of gaseous zinc and one or more additional metals, wherein the one or more additional metals comprise iron-rich material and steel additives;
- and
- a separation volume coupled to the heat controlling region and configured to receive the mixture of gaseous zinc and one or more additional metals, wherein the separation volume comprises:
- a separation unit configured to separate within the separation volume the iron-rich material from the mixture of gaseous zinc and one or more additional metals;
- and
- a cooling region configured to condense the gaseous zinc.
An apparatus for recycling electric arc furnace (EAF) dust material, the apparatus comprising:
- means for controlling a temperature of EAF dust material to produce a mixture of gaseous zinc and one or more additional metals;
- means for separating iron-rich material from the mixture of gaseous zinc and one or more additional metals;
- and
- means for condensing the gaseous zinc.
Dependencies are inferred from the claim text.