Abrégé

A pusher centrifuge includes a rotatable filter drum having a drum body and a piston that are configured to be reciprocated axially relative to one another, a filter drum drive shaft rigidly connected to the filter drum, a hydraulic push mechanism for generating an axial oscillating push force and connected to the filter drum so as to cause the relative reciprocating movement between the piston and the drum body, a hydraulic pump including a pump input shaft and is in fluid connection with the hydraulic push mechanism, and a drive motor including at least one output shaft connected to the pump input shaft and the filter drum drive shaft to actuate both the pump input shaft and the filter drum drive shaft. The at least one output shaft of the drive motor is connected to the pump input shaft in a manner without an intervening gearbox, thereby forming a direct drive.

Classes IPC  ?

• B04B 9/04 - Entraînement direct
• B04B 3/02 - Centrifugeurs à tambours rotatifs dans lesquels les particules ou les corps solides sont séparés par la force centrifuge et simultanément par tamisage ou filtration évacuant du tambour les particules solides grâce à des moyens coaxiaux à l'axe du tambour et animés d'un mouvement longitudinal alternatif, c.-à-d. centrifugeurs à tiroir
• B04B 9/08 - Agencements des mécanismes de transmission

Abrégé

Filter drum for a vacuum and/or pressure filtration device for the filtration of a suspension, which comprises a solid and a liquid, comprising: a drive shaft via which the filter drum is rotatably supportable and rotatably drivable, a filter drum body which is formed in a manner separated from the drive shaft, to which the drive shaft extends centrally and which includes a first drum end wall and a second drum end wall as well as a drum jacket wall which extends, along the drive shaft, between the first drum end wall and the second drum end wall and connects the first drum end wall and the second drum end wall to each other, and a first clamping ring set and a second clamping ring set, corresponding to the first drum end wall and the second drum end wall, respectively, by which, in a respective manner, the first drum end wall and the second drum end wall are, via radial clamping, fixedly connected to the drive shaft such that a driving torque applied to the drive shaft is correspondingly transmittable from the drive shaft to the first drum end wall and/or the second drum end wall and, thereby, to the filter drum body via the first clamping ring set and/or the second clamping ring set, respectively.

Classes IPC  ?

• B01D 33/067 - Structure des tambours filtrants, p. ex. dispositions pour le montage ou pour l'étanchéité

Abrégé

A vacuum and/or pressure filtration device includes a filter drum defining a drum axis and it is supported rotatably around the drum axis. The filter drum includes an outer jacket, by which a plurality of filter cells are formed, which extend along the drum axis, which are arranged adjacent to each other all around the drum axis, and which are equipped on their outer side with a filter medium; and an inner jacket, which is arranged adjacent to the outer jacket, which has an inner jacket outer surface, which limits the filter cells radially inside such that by the inner jacket outer surface a plurality of draining surfaces are formed, on which the liquid passing through the respective filter medium during filtration of the suspension can drain as a filtrate. The filtration device filters a suspension having solid and liquid components.

Classes IPC  ?

• B01D 33/073 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'intérieur
• B01D 33/067 - Structure des tambours filtrants, p. ex. dispositions pour le montage ou pour l'étanchéité
• B01D 33/09 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'intérieur avec des cellules de surface raccordées indépendamment à des distributeurs de pression
• B01D 33/74 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'évacuation du filtrat
• B01D 33/06 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux
• B01D 33/80 - Accessoires

Abrégé

A filter drum including: a drive shaft via which the filter drum is rotatably supportable and rotatably drivable; a filter drum body which is formed in a manner separated from the drive shaft, to which the drive shaft extends centrally and which filter drum body includes a first drum end wall, a second drum end wall, and a drum jacket wall which extends along the drive shaft between the first drum end wall and the second drum end wall and connects the first drum end wall and the second drum end wall to each other; and a first clamping ring set and a second clamping ring set, corresponding to the first drum end wall and the second drum end wall, respectively, by which, in a respective manner, the first drum end wall and the second drum end wall are, via radial clamping, fixedly connected to the drive shaft such that a driving torque applied to the drive shaft is correspondingly transmittable from the drive shaft to the first drum end wall and/or the second drum end wall and, thereby, to the filter drum body via the first clamping ring set and/or the second clamping ring set, respectively. The filter drum can be used in a vacuum and/or pressure filtration device for the filtration of a suspension having solid and liquid components.

Classes IPC  ?

• B01D 33/13 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'extérieur avec des cellules de surface raccordées indépendamment à des distributeurs de pression
• B01D 33/067 - Structure des tambours filtrants, p. ex. dispositions pour le montage ou pour l'étanchéité
• B01D 33/74 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'évacuation du filtrat
• B01D 35/30 - Structure du carter de filtre
• B01D 33/09 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'intérieur avec des cellules de surface raccordées indépendamment à des distributeurs de pression
• B01D 33/80 - Accessoires
• B01D 33/06 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux

Abrégé

The invention relates to a vacuum and/or pressure drum filter device for filtering a solid material from a suspension, which is formed from the solid material and a liquid. Said device comprises a device housing (10), a rotatable filter drum (30), which defines a filter drum longitudinal axis (L1) and which is arranged in the device housing (10), a gas supply line (50) for supplying a gas into the device housing (10) and a peeling blade (172). The gas supply line (50) comprises a first gas outlet device (52) having one or a plurality of gas outlet openings (54) which are formed to extend along the filter drum longitudinal axis (L1) and from which the gas in the device housing (10) emerges, and wherein the one or more gas outlet openings (54) are arranged radially outside of the filter drum (30), and on one side (172b) of the peeling blade (172) facing away from the filter drum (30).

Classes IPC  ?

• B01D 33/073 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'intérieur
• B01D 33/46 - Régénération de la substance filtrante dans le filtre par des racloirs, des brosses ou des dispositifs analogues agissant sur le côté de l'élément filtrant où se trouve le gâteau
• B01D 33/60 - Manipulation du gâteau de filtration dans le filtre pour des raisons autres que la régénération pour le lavage

Abrégé

A multi-cell filter device can have: a filter drum (1), which has a horizontally extending longitudinal axis and which is rotatable about its longitudinal axis and defines a jacket surface (3); a plurality of filter cells (5) which are formed on the outside of the jacket surface (3) and which are each open radially to the outside and are distributed about the circumference of the filter drum (1) and are arranged alongside one another in the circumferential direction of the filter drum and which are separated from one another by means of respective radial filter cell walls (7) which are arranged at angular intervals from each other corresponding to a circumference width of the filter cells (5); and a suspension feeder device (41) by which a suspension (33) to be filtered is fed to the filter drum (1), wherein the suspension feeder device (41) has a suspension input area with at least one suspension input opening (45-1, 45-2) through which the suspension (33) to be filtered is input into the filter cells (5), wherein the suspension input area (S) is arranged over the filter drum (1) such that, during the rotary operation of the filter drum (1), the suspension (33) to be filtered can be inserted from the at least one suspension input opening (45-1, 45-2) from above into the radially outwardly open filter cells (5).

Classes IPC  ?

• B01D 33/09 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'intérieur avec des cellules de surface raccordées indépendamment à des distributeurs de pression
• B01D 33/60 - Manipulation du gâteau de filtration dans le filtre pour des raisons autres que la régénération pour le lavage
• B01D 33/72 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'alimentation

Abrégé

In at least one embodiment, a filter device for filtering out of solid substance from a solid-liquid-mixture where the filter device includes a bearing shaft; a rotation body attached to the bearing shaft and supported by the bearing shaft to be rotatable; a single filter cell formed on the rotation body with a filter structure attached to the rotation body for filtering out the solid substance and a connection channel formed in the rotation body that extends from a filter structure outlet side to an outlet opening formed adjacent to the bearing shaft and via which the connection channel is permanently connected with an intermediate connection channel formed in the bearing shaft; a liquid discharge line connected with or formed by the intermediate connection channel; a plurality of branch-off lines which are branched-off from the liquid discharge line; and a control device having a valve assembly.

Classes IPC  ?

• B01D 33/09 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'intérieur avec des cellules de surface raccordées indépendamment à des distributeurs de pression
• B01D 33/00 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration
• B01D 33/067 - Structure des tambours filtrants, p. ex. dispositions pour le montage ou pour l'étanchéité
• B01D 33/74 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'évacuation du filtrat
• B01D 33/80 - Accessoires
• B01D 33/82 - Moyens de distribution de pression