Abstract: Method and apparatus for pneumatically conveying granular resin material and controlling such conveyance includes a sensor associated with granular plastic resin material receiver with the sensing vacuum level thereat and a microprocessor adjusting vacuum pump speed based on vacuum level sensed at the receiver.

Abstract: A variety of methods and compositions are disclosed, including, in one embodiment, a settable composition comprising: water; and a cementitious component having a calculated reactive index.

Abstract: One or more embodiments of a drying apparatus for drying pellets from a process fluid are provided. The drying apparatus can include at least one screen device. The at least one screen device can have a screen area with screen openings. The drying apparatus can also have an oscillating device that sets at least the screen area of the screen device into oscillation. The oscillations can move the pellets relative to the screen openings, and the process fluid can drain off through the screen openings.

Abstract: A purifier is provided that is capable of uniformly sucking powder in a width direction of the sieve layers even when the purifier is configured to be provided with an air distribution chamber formed as being tapered upward and to have a horizontal cyclone provided above the air distribution chamber. The air distribution chamber is configured of paired inclined surfaces formed as being tapered upward, has a suction passage formed as a horizontal cyclone placed above the air distribution chamber. Also, a plurality of barrier walls are provided in the air distribution chamber in a direction perpendicular to a longitudinal direction of sieve layers, the air distribution chamber is sectioned by the barrier walls into a plurality of chambers, and rectifying plates are further provided to the air distribution chamber at a narrow position between the paired inclined surfaces to prevent non-uniformity of suction of powder on the sieve layers.

Abstract: An apparatus includes a separation deck free of stepwise changes in elevation between a first end and a second end, the separation deck comprising a plurality of spaces through which a constituent material may pass, a plurality of scrubbers disposed on the deck, the plurality of scrubbers having a first end disposed at a higher elevation than the deck in at least a first state, and a vibratory generator coupled to the deck. The mixed material moves over the deck and the scrubbers from the first end to the second end by the motion imparted by the vibratory generator. Components of the mixed material move relative to each other as the components move over the scrubbers, thereby causing the constituents material attached to the components of the mixed material to separate and pass through the spaces in the separation deck.

Abstract: A grain processor comprises a conveyor, air-suction means, and air-blowing means. The conveyor has a surface defining a conveying course on which grains are disposed, and the surface has holes smaller than the grains. The air above the surface is sucked downward through the holes by the air-suction means. The air-blowing means blows air upward through the holes at a predetermined position in the conveying course so as to apply blowing-up force onto the conveyed grains on the surface reaching the predetermined position.

Abstract: A crop separating harvester includes a primary crop path having an apex, a forced air supply tangentially positioned to the crop path from a bottom side of the apex, and a crop retrieval member, wherein said crop retrieval member is separated from said apex a predetermined distance defining a gap configured to separate culls from a crop based on a difference in specific gravity between said crop and said culls with respect to said forced air.

Abstract: A method and apparatus for processing or cleaning ceramic components that are contaminated with dust deposits are provided. Relative vibrations are generated between the ceramic components and the ambient atmosphere for dislodging dust deposits from the ceramic components. Dislodged dust deposits are collected and conveyed away for disposal or further use. To accomplish this, a screen base is disposed within a closable chamber. A first conveyor is disposed within the chamber below the screen base and leads to a transfer station. A mechanism for generating relative vibrations is disposed between the screen base and the atmosphere of the chamber. An enclosed second conveyor leads from the transfer station to a replacable receiving vessel. An infra sound producer is disposed within the chamber.

Abstract: The screening of a stream of bulk material is accelerated so that this takes place in the state of the fluidized bed. The screening apparatus can be made correspondingly smaller. So that the fluidized-bed state persists over the screen surface, the latter is made short and, if necessary, a plurality of screen surfaces with interposed aerating stages are connected in succession.

Abstract: A semolina cleaning apparatus allows basic operations as in the prior art with complete visual surveillance of operation, but with an outwardly closed product guidance. In this way, entry and exit of dust is completely prevented during normal operation as well as when removing samples. Accordingly, it is possible to operate an individual apparatus as well as an entire group of semolina cleaning apparatuses with circulating air. The air intake can be effected from above.

Abstract: A media recovery hopper which lies on a floor permitting spent media and debris to be swept thereinto. The hopper, in the preferred embodiment, is a substantially rectangular box having one of its four side walls shorter than the rest. The media/debris is swept over this shorter side wall while the other walls collect and "queue" the mixture for recovery. The mixture falls through a screen and into a channeling mechanism composed of a series of ridges and valleys. Along each valley are drop-orifices which permit the media/debris mixture to fall therethrough and into an air-stream which carries the mixture to proper collection or sorting mechanism.

Abstract: A separator for continuously separating comparatively small particles of light bulk density such as, for example, expanded polystyrene x-beads from unexpanded polystyrene beads produced by an expansion process, preferably including a vibrating screen of a mesh size for passing smaller particles, but not larger particles, and a pulsed pressure differential across said screen for drawing smaller particles through the screen and for clearing the screen.

Abstract: A method for the separation of granulate and water in an after-treatment section following a granulator in which a vibrating screen receives the water and granulate mixture. In order to obtain low residual moisture without subsequent drying, the granulate-water mixture on the screen is subjected briefly to a vacuum over the entire width of the vibrating screen at longitudinally spaced locations, in alternation, from above and below the screen within the first third of the length of the screen.

Abstract: In the case of an apparatus for cleaning grits, which has a plurality of superimposed screen layers, which can be vibrated by means of at least one unbalance exciter and with an inlet or outlet for the product inlet or screen discharge arranged at one end, collecting means with adjustable setting flaps for the screenings, as well as an air circulation through the screen layers over an air distribution chamber in a suction collecting channel adjustable by means of adjusting flaps, it is provided that the apparatus is constructed as a stand with a stand head, a stand base and a vertical intermediate support connecting said two parts, the screen layers being constructed as a dust box and being vibratably supported in the vicinity of the stand base, the stand top being formed by the upper air distribution chamber.

Abstract: A fiber processing line is formed of a plurality of fiber processing machines connected by a conveyor duct. A blower-conveyor is arranged for driving fiber tufts in an air stream through the conveyor duct. The blower-conveyor includes a discharge housing, a rotary impeller supported in the discharge housing; an inlet opening in the discharge housing for drawing the fiber material into the blower axially with respect to the impeller. The discharge housing includes a housing wall generally circumferentially surrounding the impeller and bounding a blower outlet which, similarly to the inlet, is connected to the duct. A waste separator is integrated in the blower-conveyor. The waste separator includes throughgoing openings in the housing wall for providing passages for waste from the fiber tufts upstream of the outlet opening as viewed in a direction of advance of the fiber tufts.

Abstract: In the case of an apparatus for cleaning grits, which has a plurality of superimposed screen layers, which can be vibrated by means of at least one unbalance exciter and with an inlet or outlet for the product inlet or screen discharge arranged at one end, collecting means with adjustable setting flaps for the screenings, as well as an air circulation through the screen layers over an air distribution chamber in a suction collecting channel adjustable by means of adjusting flaps, it is provided that the apparatus is constructed as a stand with a stand head, a stand base and a vertical intermediate support connecting said two parts, the screen layers being constructed as a dust box and being vibratably supported in the vicinity of the stand base, the stand top being formed by the upper air distribution chamber.

Abstract: In a sieving apparatus a suction chamber is connected to a source of vacuum. The chamber is connected to sieve by a plurality of air channels. Air inlets supply air to the underside of the sieve to agitate the material being sieved. A sieve case has a cover with apertures to permit more air to enter the sieve case to further agitate the material being sieved.

Abstract: A catalyst screening unit having a housing which receives incoming feed catalyst under positive pressure, a screen for sizing and separating whole catalyst from broken catalyst, dust, and fines, a vibrating member to vibrate the housing and the screen therewith, and a lower, waste chamber for collecting broken catalyst and fines to be directed outwardly therefrom the housing, and having vacuum provisions therewith for removing dust separately from the fines, such that the cleaned whole catalyst may be used within a catalytic reactor.