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AssigneeWishbone Investments Limited
InventorThomas Bilke
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The invention relates to the use of a briquette of waste materials as an aggregate for smelting furnaces of an iron foundry, in particular in cupola furnaces or other shaft furnaces. The object of the invention is to disclose the use of a briquette of waste materials as an aggregate for smelting furnaces of an iron foundry, in that it can be produced in an economical manner, is sufficiently heat-resistant, is present with a similar alloy composition even with fluctuating contents in the starting components and does not result in any additional charge of pollutants into the smelting process. The object is attained in that the corresponding waste substances of an iron foundry, in particular cupola-furnace top-gas filter dust, and/or filter dust from the preparation of molding said and/or filter dust from the cleaning shop and/or filter dust from the grinding shop as well as the waste substances magnesium-oxide filter dust and/or limestone dust acting as hydraulic binders are collected, mixed and moistened, and the entire mixture is pressed cold under pressure in molds to form briquettes.
A cold bricketted solid briquette of waste materials as an aggregate for smelting furnaces of an iron foundry, characterized in that the briquette consists exclusively of waste materials, the said waste materials contain hydraulic binders in the form of MgO filter dust and/or limestone dust, and the briquette being bonded hydraulically by defined quantities of water by means of the magnesium-oxide and/or calcium-oxide bonding phases.
A cold briquetting method of producing a briquette of waste materials for use as an aggregate for smelting furnaces of an iron foundry, the method comprising:
A cold briquetting method for producing a solid briquette of waste materials under ambient conditions for use as an aggregate for smelting furnaces of an iron foundry, the method comprising:
Dependencies are inferred from the claim text.