A hopper apparatus (10) for loading/unloading powdered or granulated material. The apparatus (10) comprises: a hopper (TRM) for loading at least a -powdered or granulated material; a transfer device (12) of the powdered or granulated material from the hopper (TRM) to means of transport; and a device adapted to prevent the reflux of powdered material. Such device comprises two nozzles (16A, 16B), whose respective jet ( (JT1), (JT2) ) of gas is substantially laminar and, due to the "Coanda effect", adheres to a transition wall ( (PRT3), (PRT4) ) between a first wall (PRT1), on which the two nozzles (16A, 16B) are housed and a second wall (PRT2)on which there is a suction mouth (17), in such a way as to induce a flow of air (FLW) from the external environment (AMB) downwards in direction of the free top surface of the heap of powdered or granulated material unloaded into the hopper (TRM).
An Archimedean screw apparatus (10; 10*; 10**; 10***) for the production of hydroelectrical power. The apparatus (10; 10*; 10**; 10***) comprising: a channel (12) located between an upper water surface (13A) and a lower water surface (14A); an Archimedean screw (11) housed in the channel (12); and an electric power generator (18) coupled to the Archimedean screw (11) The apparatus (10; 10*; 10**; 10***) being characterised in that the electric power generator (18) is a synchronous generator (18), provided with an inverter, connected electrically to an electricity distribution network.
An adjustable loading/unloading mouth, comprising: a first tubular element (2), provided with a longitudinal axis (x); a second tubular element (3), provided with a longitudinal axis (y); means for connecting (4, 5, 6) between the first and the second tubular element (2, 3) which means for connecting (4, 5, 6) define a spherical surface (S), provided with a centre (O), and which enable the first and the second tubular element (2, 3) to rotate with respect to one another about the centre (O); wherein the means for connecting (4, 5, 6) comprise at least a first connecting element (4) and at least a second connecting element (5) which are reciprocally connectable at a joining plane (P) passing through the centre (O) of the spherical surface (S) on which the first connecting element (4) and the second connecting element (5) can rotate with respect to one another about the centre (O).
B65G 33/32 - Adaptation des paliers ou des couplages pour tenir ou relier les vis
F16L 27/02 - Raccords universels, c.-à-d. avec une liaison mécanique permettant un mouvement angulaire ou un réglage des axes des parties raccordées dans une direction quelconque
F16L 23/032 - Raccords à brides les brides étant raccordées par des organes tendus axialement caractérisés par la forme ou la composition des brides
The transport device comprises a screw conveyor (5), in a casing (5a) of which a propeller (5b) rotates. The device also comprises an elastic cradle (7), interposed between the casing (5a) of the screw and the propeller (5b), internally of which the propeller (5b) of the screw rotates.
B65G 33/14 - Transporteurs rotatifs à vis ou à hélice pour matériaux solides fluents comportant une vis ou plusieurs vis enfermées dans un carter tubulaire
B65G 33/16 - Transporteurs rotatifs à vis ou à hélice pour matériaux solides fluents comportant une vis ou plusieurs vis enfermées dans un carter tubulaire avec vis flexibles fonctionnant dans des tubes flexibles
A method for temporarily storing powder mixtures and a storage silo for actuating the method, the method comprising stages of: introducing a powder mixture internally of a storage silo (1) and extracting the powder mixture from a discharge mouth (3) located on a bottom of the silo (1), and an intermediate stage of moving the powder mixture internally of the storage silo (1). The stage of moving, which has the aim of preventing selective depositing of powders having different granulometries belonging to the mixture, comprises a main stage of raising at least a part of the powder mixture from the bottom and towards a top of the storage silo (1), which main stage is performed using a vertical screw (2).
B01F 7/24 - Mélangeurs à agitateurs tournant dans des récipients fixes; Pétrins avec agitateurs tournant autour d'un axe vertical à vis sans fin
B28C 5/16 - Mélange dans des récipients non mis en mouvement pour effectuer ce mélange avec des agitateurs mélangeant les matériaux les agitateurs étant en mouvement autour d'un axe vertical ou fortement incliné
B28C 7/00 - Commande de l'opération de production des mélanges d'argile ou de ciment avec d'autres substancesAlimentation ou dosage des ingrédients pour les mélanges ci-dessusDéchargement du mélange
B65G 69/04 - Étalement des matériaux transportés sur toute la surface à chargerMise en ordre des masses de matériaux meubles
B65D 88/64 - Grands réceptacles caractérisés par des moyens pour faciliter le remplissage ou le vidage en empêchant la formation de ponts
6.
A BUTTERFLY VALVE FOR PLANTS FOR GRANULAR AND/OR POWDER MATERIALS
A butterfly valve for plants for granular and/or powder materials, comprising: a main body (2) having an annular shape, provided with a longitudinal axis (x), which delimits internally thereof a seating (5); an obturator (6), rotatable within the seating (5) about a transversal axis (y), perpendicular with respect to the longitudinal axis (x), between at least a closed position, in which the obturator (6) closes the seating (5), and at least an open position, in which the obturator (6) does not occlude the seating (5), at least a flange (12), associable to the main body (2) in order to enable connection of the butterfly valve to a further element; at least two of the components of the butterfly valve being removably connected to one another.
The machine (4) having an improved drainage grid (1) for compacting humid waste (2) comprises at least an Archimedes screw (7) which rotates internally of a containing structure (11) in which a support structure (13) is afforded for the grid (1). The drainage grid (1) comprises a perforated structure (16) shaped and connected to the fixed structure (13) in such a way as to maintain the perforated structure (16) continuously in contact with the helix (10) of the Archimedes screw (7).
B30B 9/26 - Parois perméables ou tamis du réceptacle
B30B 9/12 - Presses spécialement adaptées à des fins particulières pour exprimer les liquides des substances les contenant, p. ex. le jus des fruits, les huiles des oléagineux utilisant des vis de pression coopérant avec une paroi perméable
8.
A DEVICE FOR DEHUMIDIFYING AND COMPACTING SOLIDS CONTAINED IN SEWAGE FOR DISPOSAL
The device for dehumidifying and compacting solids contained in sewage for disposal, is designed to be applicable to machinery (1) comprising: a tubular screen (2) having at least an inlet (4) for a product to be separated, at least an outlet (5) for a separated solid part, and at least a filtering wall (3) through which the separated liquid part exits; a transport organ (7) predisposed internally of the screen (2) for transporting the solid part to be compacted towards the outlet (5). The device comprises a contrast element (9), predisposed at the outlet (5) for interacting contactingly with the product, which in a rest position thereof occupies at least a part of a mouth of the outlet (5) and which, under an effect of a pushing action of the product to be compacted, can elastically deform in order to increase a size of a free mouth of the outlet.
C02F 11/12 - Traitement des boues d'égoutDispositifs à cet effet par déshydratation, séchage ou épaississement
B01D 29/11 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants avec des éléments filtrants en forme de sac, de cage, de tuyau, de tube, de manchon ou analogue
B30B 9/12 - Presses spécialement adaptées à des fins particulières pour exprimer les liquides des substances les contenant, p. ex. le jus des fruits, les huiles des oléagineux utilisant des vis de pression coopérant avec une paroi perméable
The invention relates to a device for separating solids from waste waters. The device comprises a first screen (2) internally of which discharge water is conveyed, an outlet zone (4) for the water once the solid parts have been removed; a screw conveyor, coaxial of the screen (2) and rotating internally of the screen (2), which transports the solid parts towards an outlet (4a); the screw conveyor comprises a helix (5) developing on a central axis (6) which is coaxial with the helix and fixed with respect thereto; at a zone comprising the first screen (2) the shaft (6) is conformed as a second screen (6a) which closes around an internal zone (7) connected, through an outlet conduit (8) which does not pass through the screens (2) and (6a), to the outlet zone (4). The device further comprises a conveyor (3a) which introduces the discharge water into the device in a tangential direction to a lateral wall of the second screen (6a).
The archimedes screw (1) for use in conveyors, compactors and the like, comprises a shaft (2) on which a helix (3) is coupled, which screw rotates internally of a containing structure, wherein the archimedes screw (1) comprises a plurality of sections (4a, 4b, 4c, 4d... 4n) which can be threaded coaxially and solidly in rotation on a central shaft which defines the shaft (2) of the archimedes screw, each of which plurality of sections exhibits different constructional and functional characteristics from other of the plurality of sections.
B30B 9/12 - Presses spécialement adaptées à des fins particulières pour exprimer les liquides des substances les contenant, p. ex. le jus des fruits, les huiles des oléagineux utilisant des vis de pression coopérant avec une paroi perméable
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