摘要:
A silicon oxide removal apparatus for removing silicon oxide contained in an inert gas discharged from a silicon single crystal manufacturing apparatus, including at least: a contact means for bringing the inert gas discharged from the silicon single crystal manufacturing apparatus into contact with a strongly alkaline solution; and a neutralizing means for neutralizing an alkaline material contained in the inert gas brought into contact with the strongly alkaline solution. As a result, there is provided a silicon oxide removal apparatus and a facility for recycling an inert gas for use in a silicon single crystal manufacturing apparatus that can more effectively remove the silicon oxide contained in the inert gas discharged from the silicon single crystal manufacturing apparatus at low cost and enable recycle of the inert gas in which the silicon oxide has been effectively removed.
摘要:
An electric glass hot shop system is described herein that has at least one electrically powered heating unit (e.g., electric furnace, electric glory hole, electric pipe warmer, electric color box, electric annealer, electric crucible kiln) used in the processing of glass.
摘要:
A method of fabricating a reaction container according to the disclosure comprises putting graphite power in a molded member; and pressing the molded member, wherein the graphite powder comprises first graphite powder and second graphite powder having different particle sizes. A vacuum heat treatment apparatus comprises a chamber, a reaction container in the chamber, and a heat member heating the reaction container in the chamber, in which the reaction container comprises graphite, and the reaction container has a concentration in the range of 1.8 to 2.0.
摘要:
The invention comprises a double loop channel type induction furnace of which the floor has a base on a first side of its hearth and a ramp which rises from the base to terminate in a plateau above the passages at a location distal from the first side. The ramp and plateau extends at least partly between opposing end walls of the furnace, and the plateau includes a trench which extends at least partly between opposing ends of the plateau. The trench is in fluid communication with the passages and the bottom of the trench is located in a plane higher than the plane in which the furnace floor is located. The base of the furnace floor is in fluid communication with the central passage by means of a floor passage that extends from the base of the floor to the central passage through the ramp below the trench.
摘要:
This invention concerns an electric arc furnace comprising a chamber suitable for containing molten steel; a roof suitable for covering the chamber and for containing a mass of scrap steel; electrodes suitable for melting the mass of scrap, and means of support on a base. The latter means are such as to support the chamber and permit its oscillation around a horizontal axis of rotation. The roof and the chamber are counterprofiled in correspondence to the respective interface walls to create a rotoidal type coupling with regard to the axis of rotation. The roof, during oscillation of the chamber, remains fixed with regard to the base as well as in a closed position with regard to the chamber.
摘要:
The nature of the technical disclosures of my invention is simple and unique. A ¼×0.0381 inches groove around a ceramic clay crucible is simple to adapt. I invented a mold which has the feature of ¼×0.0381 inches groove around, to make the casting of a grooved ceramic clay crucible feasible. This is new in the art of casting because the ceramic clay crucibles used in Goldsmith industry do not have a groove around them. The purpose of the groove is to enable anyone who is working in casting precious metals under excessive heat to handle the crucible which is used in the process more efficiently and securely. This groove would certainly improve the melting and casting procedures simply because the strap around the newly grooved crucible would be firmly fastened, thus preventing any spills, and at the same time protecting the worker.
摘要:
The invention relates to arc-heating plasma reactors for simultaneous making of refractory, metal and non-metal material melt and sublimates having a high degree of a melt viscosity and can be used in cement, chemical industries and metallurgy. The aim of the present invention is to provide the increase of a performance of a furnace lining, the serviceability, a furnace capacity, a finished product quality, the decrease of a power supply, making and separation of associated binding agents, non-ferrous metals in the form of melts and sublimates. Said aim is attained that in the present plasma reactor-separator for a melt making comprising a cylindrical chamber, the hollow bar electrodes passing into a chamber through its upper lid but the elements are set into their cavities in the form of shelves or in the form of a screw, a hole for bringing in and bringing out of a melt, two coils encompassing the chamber and set one above the other throughout its height, a channel for bringing out of the lighter binding agent melt is located between the hole for a metallic melt bringing out in the back surface of the chamber and the lower coil, a raw furnace charge is brought in by means of four side feeders, through the channels, located in the chamber walls at angle of 90° on the same horizontal plane relatively each other in the upper part of the chamber over a melt surface resulting in a skull formation as cone-shaped slopes on a melt mirror, the heat-exchange granulating elements (granulator) for cooling, granulation and utilization of a heat of a clinker melt made as metallic on the inside water-cooled cylinders revolving on their axis in the opposites directions from each other.
摘要:
A ladle (1) comprising a main portion (5), an outlet (3) and an inductor assembly (2) fitted onto the main portion. The main portion comprises a cavity (13) defined by a refractory lining, provided with at least one opening (21) and shaped so that no pockets of molten metal remain after pouring. Consequently, the metal flows more readily, and hot deslagging and metal temperature measurement are made easier. The ladle is useful for maintaining the temperature of high melting point metals such as steel or superalloys for processes requiring metal sampling.
摘要:
An induction crucible furnace with a tiltable furnace body includes a crucible that is usually covered by an accessible furnace platform. The furnace platform is sonically uncoupled from the furnace body in an untilted normal position, in order to reduce sound intensity radiated by the furnace platform. Coupling elements, which effect a change of state between a very loose coupling or a complete uncoupling in the normal position and a close or rigid coupling in a tilted position of the furnace body, are provided between the furnace body and the furnace platform. The coupling elements can be spring elements, lug and bolt connections, lug and bolt and lug connections or lug and locking bolt connections.
摘要:
A composite susceptor for a radio frequency (RF) heated crystal growing furnace has a plurality of stacked electrically insulating and electrically conducting elements about the crucible area so that a proper temperature gradient is established and controlled.