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5107results about How to "Protect environment" patented technology

Mounting arrangement for auxiliary burner or lance

A mounting enclosure and an improved mounting arrangement for apparatus used in metal melting, refining and processing, particularly those apparatus adapted for steel making in an electric arc furnace, such as burners, lances and the like with supersonic oxygen lancing capability and injectors or the like for the introduction of particulate matter. The mounting enclosure is fluid cooled to survive the hostile environment of the electric arc furnace and is designed to occupy the step between the side wall and hearth of the furnace without any substantial change to the structure of the furnace. The mounting enclosure comprises a plurality of fluid cooling conduits surrounding an apparatus aperture and an injector aperture which are formed through the enclosure and adapted to mount an apparatus and an injector. The mounting arrangement includes utilizing the mounting enclosure to mount an apparatus with supersonic oxidizing gas lancing capability and an injector for particulate carbon in an electric arc furnace. Because the mounting enclosure is approximately the width of the step, the discharge openings of the apparatus and the injector are moved closer to the surface of the melt and toward the center of the furnace thereby providing increased efficiency. The discharge openings will now be extended to near the edge of the step so that the oxidizing gas flow pattern of the apparatus does not degrade the hearth material or other furnace equipment mounted nearby and the carbon flow pattern of the injector sufficiently agitates the slag to produce foaming.
Owner:PROCESS TECH INT

Mounting arrangement for auxiliary burner or lance

A mounting block and an improved mounting arrangement for apparatus used in metal melting, refining and processing, particularly those apparatus adapted to steel making in an electric arc furnace, such as burners, lances and the like with supersonic oxygen lancing capability. The mounting block is fluid cooled to survive the hostile environment of the electric arc furnace and is designed to rest on the step between the side wall and hearth of the furnace without any substantial change to the structure of the furnace. The mounting block comprises a plurality of fluid cooling conduits surrounding an aperture which is formed through the block and adapted to mount the apparatus. The mounting arrangement includes utilizing the mounting block to mount an apparatus with supersonic oxidizing gas or lancing capability in an electric arc furnace. The apparatus is mounted by passing it through an aperture in a water cooled side panel aligned with the mounting aperture in the mounting block. Because the mounting block is approximately the width of the step, the discharge opening of the apparatus is moved closer to the surface of the melt and toward the center of the furnace thereby providing increased efficiency. The discharge opening will now also extend past the inner edge of the step so that the oxidizing gas flow pattern does not degrade the hearth material and other furnace equipment mounted nearby.
Owner:PROCESS TECH INT

Device with culture relics exhibiting and protecting function

The invention provides a device which can exhibit and protect cultural relics. The device is characterized in that the device comprises a base; a base plate is arranged at the top of the base; the bottom of a glass cover is fixed on the base plate through a safety lock reed, and a safety alarm is arranged on the safety lock reed; a gland bush is arranged at the butt joint of the glass cover and the base plate; a rotating bushing is arranged at the middle part of the base plate and a gland bush is arranged on the rotating bushing; rotating shafts are arranged inside the rotating bushing and the base; showcase stands are arranged at the top parts of the rotating shafts, and step motors are arranged at the tail ends of the rotating shafts; a temperature sensor, a pressure sensor, a humidity sensor and a gas composition sensor are arranged at two sides of the base plate; and a cavity refrigerating / heating device is arranged at the bottom of the base plate. The device has the advantages that the device can well exhibit the cultural relics and can create a manual protecting environment without damages. The device prevents oxidation, photodegradation, overheating volatilization, mould development and microorganisms and has the function of protecting the cultural relics and the precious article inside the cavity.
Owner:DONGHUA UNIV
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