Abstract: Solvent-treated objects are dried in a drying chamber having a drying zone and at least one transfer zone for introducing into and/or removal from the drying zone of the object. The drying zone is created by recirculating drying air at high air flow rate by selectively sucking air from and blowing air into the drying zone and by removing recirculated solvent-carrying air from the drying zone by suction to provide a negative pressure in the drying chamber with greatest negative pressure in the drying chamber in the drying zone. Removed drying air is preferably passed through a solvent recovery carbon filter.

Abstract: An aeration system for grain bins includes a plurality of outlet ducts extending radially outwardly from a central manifold when the grain bin has a flat floor; and a plurality of outlet ducts extending radially upwardly and outwardly from the bottom center of the bin when the floor of the bin is conical. Each outlet duct is defined by a pair of elongated, contiguous side walls which define a triangle with the floor of the bin; and a plurality of louver-type openings in such side walls for discharging air into the contents of the bin. Centrifugal or other fans are used to supply air to the manifold and outlet ducts.

Abstract: A grain storage system for protecting and aerating a mass of stored grain comprises a floor enclosed by perforated sheet metal sidewalls which are supported on a series of support trusses and project outwardly at an angle from the periphery of the floor. A mass of stored grain rests on the floor. A first set of perforated aeration ducts extend across the floor, at the bottom of the grain mass, and a second set of perforated aeration ducts extend across the top of the grain mass, the grain and the second set of ducts being covered by a tarpaulin secured to the sidewalls. Fans are connected to one set of the ducts to circulate air through both sets of ducts and through the sidewalls; the two sets of aeration ducts are staggered with respect to one another so that air circulates throughout the entire grain mass.

Abstract: In a rotary apparatus and a process for the production of layered glass batch pellets there is provided a drying process and a dryer for final drying of the pellets prior to their being fed to a melting furnace.

Abstract: An apparatus for the molding of seals, packings and the like comprising a curing chamber, the curing chamber being heated by a gaseous medium circulated within, and being selectively, substantially closed to ambient temperatures during the curing process. Provision is made to dispose at least one mold in the curing chamber through a lateral opening and to place the mold under compression during the curing process.

Abstract: A method and apparatus for curing of wet resin-coated articles in a curing chamber by means of a vaporous curing agent. The vaporous curing agent is circulated through distribution members having nozzles or openings which are adapted to disperse the curing agent in an angular direction cocurrent with the direction of travel of the articles being passed through the curing chamber. The exhaust is provided near the exit end, and thus a gaseous flow is induced from the inlet through the chamber to the exhaust thereby minimizing the escape of vaporous curing agent through the inlet opening.

Abstract: Rectangularly-shaped fluid distributors for large diameter, vertical vessels include reinforcers for high heat operation, vertical sides with gas distributing orifices and overhanging, sloped roofs. Devices are provided for cleaning the orifices from a buildup of solid deposits resulting from the reactions in the vessel.

Abstract: A continuous drying system for fabrics, comprising fabric inlet and outlet means, respectively; means for continuously introducing the fabric into the chamber and laying it down on at least one conveyor moving it to said outlet means. A system for drying air circulation comprises at least one fan unit having its delivery side connected through an air heating unit to at least one blowing channel overlying the fabric on the conveyor, and the intake or suction side is connected to at least one channel underlying the fabric to keep a circulation of an air flow passing through the fabric to be dried.

Abstract: A method of kiln drying timber in a kiln chamber by directing a restricted jet of hot air or gas over timbers in the stack and cyclically varying the direction of the jet in order to play the heated air or gas over the whole of the stack. A kiln for performing the method comprises a generally cylindrical kiln chamber having an elongate nozzle along one wall parallel to the axis of the cylinder and pivotable about an axis parallel to the axis of the cylinder; a group of fans arranged in a row parallel to the axis of the chamber draws gas or air from within the chamber and directs it along conduits one surface of which is a heat exchange surface to the nozzle where it is directed back into the kiln chamber. The heat exchange surface of the conduits may be heated in any known way, by means of heaters or by forming it as one surface of a water jacket.

Abstract: Particulate treatment apparatus includes structure defining a particle treatment zone including a conveyor defining an imperforate lower particle treatment zone boundary. A chamber above the particle treatment zone receives a body of liquid, and means are provided for creating a zone of vapor within the chamber above the body of liquid. Nozzle tubes extend through the lower wall of the chamber and are disposed along the length and across the width of the treatment zone. The upper ends of the nozzle tubes extend above the level of liquid in the chamber while the lower ends of the tubes are disposed adjacent the imperforate transport surface of the conveyor. Vapor flows from the vapor zone through the tubes downwardly against the conveyor surface and fluidizes particles on the conveyor with concurrent vapor exchange so that the particulate material entrains a substantial amount of vapor as it is transported through the treatment zone.

Abstract: An apparatus for treating bulk material such as hot coke or coal by supplying a treating gas thereto includes a container in which the bulk material is situated during treatment thereof. A gas distributor extends into the interior of this container and includes a plurality of coaxial elongated pipes which have open ends in the interior of the container, an elongated bar extending coaxially along the innermost one of said pipes and also having a free end situated in the interior of the container. The ends of the several pipes which are in the container are open and are enlarged while the inner free end of the bar in the container is also enlarged, and a moving structure is operatively connected with at least one of the pipes as well as the bar for axially moving the same relative to each other so as to adjust the positions of the free end of the bar and the open ends of the pipes with respect to each other.

Abstract: This invention is an apparatus for diffusing quench air at the exhaust of the air from a quench stack for cooling synthetic melt-spun fibers, comprising a series of slats arranged peripherally around the fibers in the quench stack.

Abstract: Disclosed is an apparatus and process for drying grains in situ immediately after harvesting without having to remove the moisture-containing grain from the truck or bin in which it was collected in the field during harvest. Perforated duct means are located longitudinally throughout the bin near the substantially air impervious floor of the bin, and this, in conjunction with perforated side panels within the bin, allows for heated air under pressure within the duct to be forced laterally outwardly through the grain and through the perforated side panels wherein the moisture-containing hot air is then allowed to exit upwardly through a flue space defined by the perforated side panels and the normal side panels of the bin or the like.

Abstract: Two or more compartments or steam chamber increments are separated by intermediate walls, and headers or conduits lead into such compartments for individually supplying steam thereto. The bottom wall of the compartments has longitudinal slots through the length thereof for discharging steam from the compartments down on a pulp mat. These slots are formed by upwardly and inwardly turned extensions on the side walls of the chamber in combination with one or more V-shaped troughs, and the upper edge portions of these extensions and the troughs have reversely turned ends for supplying rigidity to these members. In one arrangement, horizontal headers or conduits extend in from one end wall of the steam chamber and have steam supplying portions in the respective compartments.

Abstract: A grain dryer for drying grain crops as they are harvested, comprising a combine having a grain storage bin and a grain dryer supported on the bin and having an air discharge portion extending into the bin and an air intake portion external of the bin, heater elements in the dryer for heating the air discharged therefrom and control elements connected with the dryer to control the flow of air therethrough and the temperature to which the air is heated.