摘要:
The object of the invention is a liquid extraction filter, more particularly a continuous-action, top-feed, vacuum drum filter. What is essential in the invention is that the filter comprises a drum structure (1) and filter elements (2), the filtration surface of which filter elements is formed of microporous hydrophilic material such that when filtering with a partial vacuum it is impervious to the surrounding air.
摘要:
A system and method for vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a non-rotating sleeve. The fluid separation wall rotates around the axis of rotation and includes an inner surface and an outer surface with at least one receptacle formed on the inner surface of the fluid separation wall. The receptacle aids in separation of more dense material from the fluid medium by forming a void space between the inner and outer surface. An excitation apparatus associated with the receptacle to create a vibration within the receptacle. A flow path may extend through the wall from the void area to the outer surface to transport more dense material to the containment zone.
摘要:
A system and method for receptacle wall vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a vibratory device associated with the receptacle wall to create a vibratory force.
摘要:
A system and method for vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a non-rotating sleeve. The fluid separation wall rotates around the axis of rotation and includes an inner surface and an outer surface with at least one receptacle formed on the inner surface of the fluid separation wall. The receptacle aids in separation of more dense material from the fluid medium by forming a void space between the inner and outer surface. An excitation apparatus associated with the receptacle to create a vibration within the receptacle. A flow path may extend through the wall from the void area to the outer surface to transport more dense material to the containment zone.
摘要:
Apparatus for dewatering sludge in sewage treatment plants by means of a filter press having belts one at least of which is a filter belt, the sludge being conveyed around a drum between belts both of which pass around the drum the sludge being squeezed between the belts as it is conveyed around the drum by the belts.
摘要:
SUSPENDED SOLID DISPERSIONS ARE GUIDED UNDER A PRESSURE OF 0.2 TO 20 ATM. ABOVE ATMOSPHERIC THROUGH A GAP WHICH IS A PERFORATION, THE SOLID DISPERSION, AS VIEWED IN DIRECTION PERPENDICULAR TO SAID SHELLS, BEING SUBJECTED TO A DROP IN VELOCITY. THE SUPPLY TAKES PLACE CENTRALLY AND THE FILTER CAKE IS REMOVED PERIPHERALLY.
摘要:
The removal of organic and other solids from a dilute aqueous suspension, such as the secondary effluent from a sewage treatment plant, is accomplished by passing the effluent through a rotating fabric in a chamber, which results in depositing solids on the fabric that serves as a filter. Located within the chamber and disposed immediately adjacent the filter are ultrasonic transducers that function to remove the solids from the filter by setting up vibrations. The solids so removed are directed through a solids discharge pipe positioned adjacent the transducers. The transducer can be located in a number of positions within the chamber outside the drum, such as (1) below the level of the contaminated stream, but above the level of the clarified liquid and (2) below the liquid level of the clarified stream, or inside the drum. In the latter two positions, clarified liquid may move outwardly to assist in carrying away the solids removed from the screen.