Patent classifications
F27D99/00
Magnetic annealing apparatus and magnetic annealing method
Disclosed is a magnetic annealing apparatus including a processing container that performs a magnetic annealing processing on a plurality of substrates accommodated therein in a magnetic field; a substrate holder that holds the plurality of substrates substantially horizontally in the processing container; a division heater including a plurality of sub-division heaters and covering a substantially entire circumferential surface of an outer periphery of a predetermined region of the processing container along a longitudinal direction; a magnet installed to cover an outside of the division heater; and a controller configured to feedback-control a temperature of a predetermined control target heater among the plurality of sub-division heaters, and to control temperatures of the plurality of sub-division heaters other than the predetermined control target heater based on a control output obtained by multiplying a control output of the predetermined control target heater and a predetermined ratio.
Rotary kiln seal and method
A rotary seal assembly for a rotary kiln having a hood and a rotary drum with an opening formed between the drum and the hood, and an end. The rotary seal assembly includes a flexible framework arrangement that attaches to the end. The rotary seal assembly includes a riding surface that engages the drum as the drum rotates. The riding surface includes a series of seal segments with each seal segment having a mounting eye positioned to eliminate a fulcrum point at the mounting eye. The rotary seal assembly includes a seal that is supported by the riding surface and is in essentially 360-degree contact with the drum when it is rotating and seals the opening between the drum when it is rotating in the hood to prevent fluid flow into and out of the end. A rotary seal assembly for a rotary kiln having a hood and a rotary drum with an opening formed between the drum and the hood, and an end, includes redundant tension springs which form a complete 360-degree circle around the drum. A method for sealing an opening formed between a drum and a hood.
Feed flow conditioner for particulate feed materials
A feed charging device comprises a holding vessel having an interior chamber for holding a reserve of a solid particulate feed material in a fluidized state, wherein the feed material is held in said fluidized state in a lower zone of the interior chamber. The feed material is supplied to the interior chamber through at least one outlet opening, and is discharged from the interior chamber through at least one outlet opening. The at least one outlet opening is in flow communication with the lower zone of the interior chamber. A gas supply means supplies a fluidizing gas to the lower zone of the interior chamber, and an outlet conduit in flow communication with the at least one outlet opening receives said feed material discharged from the interior chamber.
APPARATUS, BURNER AND METHOD FOR THE FIRING OF CERAMIC ARTICLES
A burner for the firing of ceramic articles (T) which can be installed in an industrial kiln and comprising a mixing body, a first tubular discharge element, which is configured to be passed through by a fluid (F) flowing out of the mixing body, at least one second tubular discharge element and a suction element, which is configured to bring at least part of the gases (G, G′) present inside the firing chamber into the second tubular discharge element and is provided with one or more openings arranged between the first and the second tubular discharge elements. The mixing body comprises a multi-stage combustion head arranged at least partially inside the first tubular discharge element.
Refining device and refining method for titanium scraps and sponge titanium using deoxidising gas
Provided are a method and apparatus for refining titanium scraps and sponge titanium, which can remove oxygen from a melt by supplying a deoxidizing gas to the surface of the melt in order to refine titanium scraps and sponge titanium. The method for refining titanium scraps and sponge titanium comprises supplying hydrogen ions and electrons in plasma to a titanium melt to remove oxygen from the titanium melt surface having an oxide layer formed thereon. In addition, the apparatus comprises: a vacuum chamber; a crucible located in the vacuum chamber and configured to perform melting by the magnetic field of an induction coil in a state in which a melt and the inner wall of the crucible; a calcium gas supply means configured to supply calcium gas from the bottom of the crucible to the space between the inner wall of the crucible and the melt.
OVEN SYSTEM FOR HEATING LAMINATED GLASS PANES
The present invention relates to an oven system 7 for heating laminated glass panes 1, having at least one oven module 8, wherein the laminated glass panes are able to be transported in a horizontal orientation on transport rollers 10 through the oven system 7, and the oven system 7 has an outer box-shaped housing 9, wherein radiation heat sources and convection heat sources are disposed in the housing 9, characterized in that the convection heat sources are configured as elongate tubular nozzles having punctiform outflow openings which are disposed so as to be oriented transversely to the transport direction, wherein in a heat radiator 11 is disposed between two adjacently disposed tubular nozzles 12, and in that a central blower box which supplies the tubular nozzles 12 with heated air is disposed on an end face.
Furnace assembly
A furnace assembly for dewaxing investment casting molds includes a housing having a top and a bottom and sides and extends along an axis to define a cavity. A plurality of tiles are supported in a spaced relationship with the bottom of the housing and define a pair of lower chambers for directing the wax vapors out of the cavity. A plurality of trays having apertures are supported by the tiles for moving molds through the housing. Chimneys connect to the lower chambers and a passageway is defined by the tiles for evacuating the wax and wax vapors from the cavity to the lower chambers and out through the chimneys. A pair of lower burners extends into the lower chambers for igniting wax vapors in said lower chambers. The heat from the lower chambers radiantly heats up portions of the furnace assembly that are disposed above the lower chambers.
MELTING DEVICE AND MELTING METHOD
The present invention relates to a melting device comprising a loading shaft (13, 13a) and a tilting device (4) by means of which a furnace vessel (1) with a furnace vessel cover (10) can be tilted into different tilt positions around a tilt axis (5a), wherein the furnace vessel sealing region is formed as a convex, cylindrical mantel section shaped, surface, and the shaft sealing region of the loading shaft (13, 13a) is formed as a complementary concave, cylindrical mantel section shaped, sealing surface, such that sections of the sealing surfaces of the two sealing regions lie mutually opposite one another in the different tilt positions of the tilting device (4) such that the transition region between the loading shaft (13, 13a) and the furnace vessel (1) is at least substantially sealed in all tilt positions of the furnace vessel (1), and to a melting method, in which a bunker container (17, 17a) with charging material (39, 40, 41) is placed in front of the loading shaft (13, 13a) on the loading side, wherein over the further course of this method, the charging material (39, 40, 41) is preheated in the bunker container (17) by furnace gas, and after further transport of this charging material (39, 40, 41) from the bunker container (17, 17a) into the loading shaft (13), this charging material (39, 40, 41) is further preheated in the loading shaft (13) by furnace gas.
Sealing device, in particular for a shaft inserted transversely in a vessel of fluids under pressure or granular material in movement
A sealing device for a vessel to achieve a fluid-tight seal in an aperture made in the lateral wall of said vessel, into which aperture a shaft is inserted. The sealing device comprises first sealing means disposed in contact with the shaft in the zone of said aperture, and second sealing means, comprising a containing body and a flexible connection element. The first sealing means comprise a plurality of sealing rings, disposed coaxial to the shaft and in contact with the latter, and a containing tube to contain the sealing rings. The lateral wall of the vessel comprises an interface flange. A closing flange is connected to the interface flange and to a flanged end of the containing body by means of attachment means and is positioned in contact with the containing tube and with the flexible connection element to keep the first sealing means in a determinate axial position with respect to the shaft.
OXYGEN INJECTION FOR ALTERNATIVE FUELS USED IN CEMENT PRODUCTION
Provided is a system for enhancing combustion in a kiln, including a kiln combustion chamber disposed within the kiln, the kiln combustion chamber having an atmosphere therein; a main burner for heating the atmosphere; a calciner assembly for providing a substance to be heated into the kiln combustion chamber; a precalciner including a precalciner combustion chamber disposed within the precalciner for receiving a biomass fuel for combustion in the precalciner combustion chamber, the precalciner combustion chamber in communication with the kiln combustion chamber; and a precalciner oxygen injector in fluid communication with the precalciner combustion chamber for providing a first oxygen stream into the biomass fuel for the combustion. A related apparatus and method for enhancing combustion with oxygen and biomass fuel are also provided.