公开(公告)号：US20230075323A1

公开(公告)日：2023-03-09

申请号：US17796630

申请日：2021-01-29

Applicant: ROCKWOOL A/S

Inventor： Lars Elmekilde HANSEN ,  Ejvind Voldby LARSEN

IPC: C03B3/02 ,  C03B5/12 ,  C03B5/235 ,  C03B37/022 ,  C03C13/06 ,  C03C3/097

Abstract: The invention provides a method to form a melt for making man-made vitreous fibres, in which mineral raw material is melted in a gas-fired cyclone furnace and the mineral charge comprises a material that comprises metallic aluminium.

公开(公告)号：US20230062262A1

公开(公告)日：2023-03-02

申请号：US17796626

申请日：2021-01-29

Applicant: ROCKWOOL A/S

Inventor： Lars Elmekilde HANSEN ,  Ejvind Voldby LARSEN

IPC: C03B3/00 ,  C03C13/06 ,  C03C3/097 ,  C03B5/04 ,  C03B5/12 ,  C03B5/235 ,  C03B37/022

Abstract: The invention provides methods of making man-made vitreous fibres (MMVF), comprising incorporating metallic aluminium into the mineral charge, with the benefit of reduced shrinkage of consolidated MMVF products.

公开(公告)号：US20230061070A1

公开(公告)日：2023-03-02

申请号：US17796588

申请日：2021-01-29

Applicant: ROCKWOOL A/S

Inventor： Lars Elmekilde HANSEN ,  Ejvind Voldby LARSEN

IPC: C03C13/00 ,  C03B37/02 ,  C03B3/00 ,  C03B5/027 ,  C03C14/00

Abstract: The invention provides methods of making man-made vitreous fibres (MMVF), comprising providing an electric furnace having molybdenum electrodes, providing mineral raw material, wherein the mineral raw material comprises (a) particulate material that comprises metallic aluminium and (b) other mineral component, introducing the mineral raw material into the furnace, melting the mineral raw material to form a mineral melt, and forming MMVF from the mineral melt, with the benefit of reduced shrinkage of consolidated MMVF products.