Saint Gobain Isover

Glava A/s

Oleg Boulanov

Jean-Luc Bernard

Christopher Ellison

Yannick Lefrere

Frederic Lopepe

Frédéric Lopepe

David Galley

Julien Marie

Daniel Lacaute

Sébastien Chesnel

Johan Heggelund

Renaud Roquigny

Francois Decrocq

Sebastien Chesnel

Manivannane Pourouchottamane

François Decrocq

An internal combustion burner including a combustion chamber supplied with fuel and with oxidant and at least two combustion devices supplied with oxidant and with fuel. Combining two combustion devices of distinct configurations, which respectively generate two distinct types of flames with a system for cooling the walls of the burner by introducing air along the walls, makes it possible to obtain a burner that supplies a combustion gas temperature of up to 1700&#xb0; C., while at the same time being easily cooled and occupying very little space so that it can, for example, be housed in an existing installation used in the manufacture of rock wool or glass wool.

Internal combustion burner

A submerged burner for a glass- or rock-melting furnace, including a plurality of in-line injectors, each injector including a cylinder-shaped mixing chamber, with an ejection orifice, a fuel-supply duct and an oxidant-supply duct opening into the mixing chamber at the cylinder jacket in a direction causing a tangential flow of the fuel and of the oxidant relative to the cylinder jacket, and a duct system making it possible for a coolant to flow inside the burner, and, preferably on either side of the alignment of injectors, placed parallel to and all along the latter, solid metal sides rising from the injectors, and protective partitions situated on the top of the solid metal sides.

Submerged burner with multiple injectors

A centrifuge to rotate about a rotation axis, the centrifuge including: an annular wall pierced with a plurality of holes, the annular wall having the rotation axis as its axis of symmetry; and a row of one continuous relief or of discontinuous reliefs, situated on an outer surface of the centrifuge, on the annular wall and/or above and close to the annular wall when the centrifuge is in a centrifuging position, the row being horizontal or inclined at an angle of more than 0&#xb0; and less than 90&#xb0; relative to the horizontal when the centrifuge is in the centrifuging position. The centrifuge makes it possible to improve energy consumption of a device for forming mineral fibers furnished with the centrifuge.

Fibre-forming centrifuge, device and method for forming mineral fibres

A device for installation for forming fiber mats, the fibers being formed from a material that can be drawn by internal centrifuging and by drawing by a gas current. The device includes a guide duct into which the fibers are designed to be channelled, with a longitudinal axis including a first portion configured to form the entrance of the duct at which the fibers are designed to be inserted into the duct, a second portion or central portion, and a third portion configured to form an exit of the duct, and an articulation mechanism to act mechanically on the third portion of the duct to cause its dimension and/or the position of at least one of its portions to vary relative to the longitudinal axis.

Device for an installation of formation of fibres mattress

Device intended for an installation for forming fibrous felts, the fibers being formed from a material that can be attenuated by internal centrifugation and by attenuation by means of a gas stream, the flow of fibers being in the form of a tubular veil, the device including air blowing means that expel air tangentially to the tubular veil so as to impress a rotational movement on the veil, wherein the blowing means deliver air in a direction perpendicular to the main direction of the flow of the tubular veil.

Device for forming fiber felts

A process for forming mineral fibers, in which at least one stream of vitrifiable material in the molten state is subjected to action of an attenuating gas flow in an attenuation zone. The gas flow in the attenuation zone is in the form of a vortex. Such a process may find application to the manufacture of fibrous products.

Method and device for producing mineral fibres

An internal combustion burner, especially for attenuation of mineral fibers, and including a combustion chamber, into which at least one duct for feeding fuel and oxidizer opens, and provided with an expansion orifice. The combustion chamber is provided with at least one flame stabilizing element, the geometry of the walls of which is chosen to create a confinement zone in which at least part of the combustion between oxidizer and fuel takes place.

Growing community of inventors

Nogent sur Oise, France

Oleg Boulanov