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1. WO2011004315 - DRYING CYLINDER OF THE TYPE FOR PLANTS FOR THE PRODUCTION OF BITUMINOUS MACADAMS

Publication Number WO/2011/004315
Publication Date 13.01.2011
International Application No. PCT/IB2010/053079
International Filing Date 05.07.2010
IPC
E01C 19/10 2006.01
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
19Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
02for preparing the materials
10Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
CPC
E01C 19/1036
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
19Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
02for preparing the materials
10Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, ; i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
1013Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus;
1027Mixing in a rotary receptacle
1036for in-plant recycling or for reprocessing, e.g. adapted to receive and reprocess an addition of salvaged material, adapted to reheat and remix cooled-down batches
E01C 2019/109
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
19Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
02for preparing the materials
10Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, ; i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
1081Details not otherwise provided for
109Mixing containers having a counter flow drum, i.e. the flow of material is opposite to the gas flow
E01C 2019/1095
EFIXED CONSTRUCTIONS
01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
19Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
02for preparing the materials
10Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, ; i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
1081Details not otherwise provided for
1095Mixing containers having a parallel flow drum, i.e. the flow of material is parallel to the gas flow
Applicants
  • AMMANN ITALY S.p.A. [IT]/[IT] (AllExceptUS)
  • MAMMOLI, Fabio [IT]/[IT] (UsOnly)
Inventors
  • MAMMOLI, Fabio
Agents
  • PONCHIROLI, Simone
Priority Data
09425274.909.07.2009EP
Publication Language English (EN)
Filing Language Italian (IT)
Designated States
Title
(EN) DRYING CYLINDER OF THE TYPE FOR PLANTS FOR THE PRODUCTION OF BITUMINOUS MACADAMS
(FR) CYLINDRE SÉCHEUR DU TYPE UTILISÉ DANS LES INSTALLATIONS DE PRODUCTION DE MACADAMS BITUMINEUX
Abstract
(EN)
A rotary drying cylinder (1 ) for plants for the production of bituminous macadams, extending along a main axis (2). The drying cylinder (1 ) comprises a burner (7), connected to the cylinder, which generates a flame (9) that extends inside the cylinder (1 ). The drying cylinder (1 ) internally comprises a tube-shaped shielding structure (10) having an axis of extension which is substantially parallel with the main axis (2) and extending from the burner (7) so that, in practice, the flame (9) is at least mainly confined within the shielding structure (10), there thus being a separating ring (12) between the shielding structure (10) and the inner surface (13) of the drying cylinder (1 ). The shielding structure (10) comprises a plurality of hollows (17) facing towards the inner surface (13) of the drying cylinder (1 ) for containing, in practice, the material being dried. The shielding structure (10) is at least mainly made of heat conducting materials.
(FR)
L'invention concerne un cylindre sécheur rotatif (1) pour installations de production de macadams bitumineux, qui s'étend sur un axe principal (2). Le cylindre sécheur (1) comprend un brûleur (7), raccordé au cylindre, qui génère une flamme (9) s'étendant à l'intérieur du cylindre (1). L'intérieur du cylindre sécheur (1) présente une structure de protection (10) tubulaire, dont l'axe d'extension, sensiblement parallèle à l'axe principal (2), s'étend du brûleur (7) si bien que, en pratique, la flamme (9) est au moins essentiellement confinée à l'intérieur de la structure de protection (10) par un anneau de séparation (12) ainsi créé entre la structure de protection (10) et la surface intérieure (13) du cylindre sécheur (1). La structure de protection (10) comprend plusieurs creux (17) faisant face à la surface intérieure (13) du cylindre sécheur (1) et servant à contenir, de fait, le matériau soumis à séchage. La structure de protection (10) est au moins essentiellement constituée de matériaux thermoconducteurs.
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