Briquettes
AssigneeKnauf Insulation SPRL
InventorCarl Hampson
Life of this patent
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Abstract
A briquette for use as a mineral charge in a cupola furnace for the production of mineral wool fibres is produced by combining: a) recycled waste mineral wool selected from i) waste mineral wool comprising uncured sugar containing binder, ii) waste mineral wool comprising cured binder, iii) waste mineral wool without binder and iv) combination thereof, b) cement, and c) additional sugar(s) to form a mouldable mixture and moulding and curing the mouldable mixture to form the briquette.
Claims19
A method of producing a briquette, suitable for use as a mineral charge in a cupola furnace for the production of mineral wool fibres, said method comprising:
- forming a mouldable mixture comprising
- a) recycled waste mineral wool,
- b) cement, and
- c) at least 10 parts by dry weight of sugar(s) with respect to 100 parts by dry weight of the cement;
- and
- moulding and curing the mouldable mixture to form the briquette.
A method of producing a briquette, suitable for use as a mineral charge in a cupola furnace for the production of mineral wool fibres, said method comprising:
- combining:
- a) recycled waste mineral wool selected from i) waste mineral wool comprising uncured sugar containing binder, ii) waste mineral wool comprising cured binder, iii) waste mineral wool without binder and iv) combination thereof,
- b) cement, and
- c) sugar(s)
- to form a mouldable mixture, wherein the mouldable mixture comprises at least 10 parts by dry weight of sugar(s) per 100 parts by dry weight of cement;
- and
- moulding and curing the mouldable mixture to form the briquette.
Dependencies are inferred from the claim text.