US 9,168,712 B2 · Pelletizing press for producing pellets

Abstract

A pelletizing press for producing pellets from material to be pressed, preferably from biomass, for use as fuel in fire places, wherein the biomass consists of cellulosic and/or lignocellulosic fibers, chips or shreds. In the pelletizing press, a dispersion chamber is formed by at least one die having a plurality of bores for pressing the biomass and at least by a lateral wall, and at least one roller rolling on a rolling surface of the die is arranged in the dispersion chamber. A pelletizing press of this method for producing pellets enables the formation of a dispersion chamber that, by means of at least one lateral wall, is as compact and sealed as possible relative to the prior art. At least two lateral wall parts are arranged to form a lateral wall; at least the first lateral wall part is arranged to be movable in relation to the second lateral wall part for carrying out a relative movement.

Claims22

Dependent claims

A pelletizing press for producing pellets from biomass for use as fuel in fireplaces, the pelletizing press comprising:

a scattering chamber having at least an outer side wall;
a matrix having a rolling surface and a plurality of boreholes configured to compress biomass;
at least one roller configured to roll on the rolling surface of the matrix, the at least one roller being arranged in the scattering chamber;
wherein the outer side wall is comprised of a first side wall part and a second side wall part,
wherein, during operation of the pelletizing press, the first side wall part is movable in a rotational direction about a central axis of the matrix in relation to the second side wall part;
and
wherein a seal is arranged between the first side wall part and the second side wall part to seal the scattering chamber in relation to surroundings of the scattering chamber.

4 more elements

A pelletizing press for producing pellets from biomass for use as fuel in fireplaces, the pelletizing press comprising:

a scattering chamber having at least an outer side wall;
a matrix having a rolling surface and a plurality of boreholes configured to compress biomass;
at least one roller configured to roll on the rolling surface of the matrix, the at least one roller being arranged in the scattering chamber;
wherein the outer side wall is comprised of a first side wall part and a second side wall part, the first side wall part being movable in relation to the second side wall part;
wherein a seal is arranged between the first side wall part and the second side wall part to seal the scattering chamber in relation to surroundings of the scattering chamber;
wherein the first side wall part and the second side wall part are arranged essentially parallel to one another and form an overlap between the first side wall part and the second side wall part;
and
wherein the first side wall part and the second side wall part are essentially flexible or bendable at least in an area of the overlap to compensate for inaccuracies.

5 more elements

A pelletizing press for producing pellets from biomass for use as fuel in fireplaces, the pelletizing press comprising:

a scattering chamber having at least an outer side wall;
a matrix having a rolling surface and a plurality of boreholes configured to compress biomass;
at least one roller configured to roll on the rolling surface of the matrix, the at least one roller being arranged in the scattering chamber;
wherein the outer side wall is comprised of a first side wall part and a second side wall part, the first side wall part being movable in relation to the second side wall part;
wherein a seal is arranged between the first side wall part and the second side wall part to seal the scattering chamber in relation to surroundings of the scattering chamber;
wherein the first side wall part and the second side wall part are arranged essentially in a plane and form a transition, the transition being a space between the first side wall part and the second side wall part;
and
wherein first side wall part and the second side wall part are essentially flexible or bendable at least in an area proximate to the transition to compensate for inaccuracies.

5 more elements

Dependencies are inferred from the claim text.

Pelletizing press for producing pellets

Life of this patent

Pelletizing press for producing pellets

Life of this patent

Abstract

Claims22