With Gaseous Treating Agent Patents (Class 75/10.17)
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Patent number: 12076718Abstract: Systems and methods for pyrolysis using an induction source of energy. A system can include: a reaction chamber, the reaction chamber having a cylindrical shape, the reaction chamber containing a catalyst; a fluidization plate connected to a first end of the reaction chamber; a gas input receiver connected to the fluidization plate; and a mechanism connected to a second end of the reaction chamber, wherein, during operation of the system: hydrocarbon gas is received at the gas input receiver; the input gas is forced through the fluidization plate; the fluidized gas mixes with the catalyst, resulting in at least one catalyzed molecule; the at least one catalyzed molecule undergo pyrolysis, resulting in at least two cracked elements; and the at least two cracked elements are removed from the system via the at least one output mechanism.Type: GrantFiled: April 27, 2023Date of Patent: September 3, 2024Assignee: CLEAN HYDROGEN TECHNOLOGIES CORPInventors: David Cassidy, Vivek Nair, Peter Williams, Venkateswara Rao Sodisetti
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Patent number: 11174524Abstract: A production apparatus and method for electric arc furnace steelmaking with a fully continuous ultra-short process are provided. A continuous adding, melting, smelting and continuous casting of a metal material are integrated, and a metallurgy process is completed in a flowing of a molten steel, to realize a continuous production of ingot blanks. The production apparatus includes four operation sites of an electric arc furnace for melting and primary refining, a sealed tapping chute for molten steel flowing, a refinement storage bed for molten-steel desulfurization and alloying and a conticaster for continuous casting A material flow, an energy flow and a time stream in the four operation sites are in a dynamic equilibrium. The production apparatus and method realize a molten-steel casting is started within 120 minutes after the metal material is started to be continuously added, and an uninterrupted continuous production is maintained for above 80 hours.Type: GrantFiled: December 17, 2020Date of Patent: November 16, 2021Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Rong Zhu, Bohan Tian, Kai Dong, Guangsheng Wei, Rongfang Su
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Patent number: 10336955Abstract: A gasifier, including a vertically disposed furnace body, a monitoring unit, and a microwave plasma generating device. The furnace body includes a material and fuel inlet, a syngas outlet, an oxygen/vapor inlet, and a slag outlet. The furnace body has a clearance zone in an upper part thereof and a fixed bed zone in a lower part thereof. The slag outlet is disposed at the bottom of the furnace body. The monitoring unit is disposed close to the syngas outlet. At least one microwave plasma generating device is disposed on the furnace body.Type: GrantFiled: June 25, 2014Date of Patent: July 2, 2019Assignee: WUHAN KAIDI GENERAL RESEARCH INSTITUTE OF ENGINEERING & TECHNOLOGY CO., LTD.Inventors: Yilong Chen, Yanfeng Zhang, Minggui Xia, Liang Zhang
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Patent number: 9481917Abstract: A method for desulfurizing a metal alloy comprises heating the metal alloy to a molten state. A gaseous desulfurizing compound is bubbled through the molten alloy to form a solid sulfur-containing waste phase and a molten reduced-sulfur alloy phase. The solid waste phase and the molten reduced-sulfur alloy phase are separated. The gaseous desulfurizing compound includes a constituent element selected from the group: alkali metals, alkaline earth metals, and rare earth metals.Type: GrantFiled: December 20, 2012Date of Patent: November 1, 2016Assignee: United Technologies CorporationInventors: Mario P. Bochiechio, John Joseph Marcin, Kirk C. Newton, Michael A. Kmetz
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Patent number: 9347710Abstract: The invention relates to a method for controlling the thermal balance of a suspension smelting and to a suspension smelting furnace. The suspension smelting furnace, comprising a reaction shaft (1), a lower furnace (2), and an uptake (3), wherein the reaction shaft (1) having a shaft structure (4) that is provided with a surrounding wall structure (5) and a roof structure (6) and that limits a reaction chamber (7), and wherein the reaction shaft (1) is provided with a concentrate burner (14) for feeding pulverous solid matter and reaction gas into the reaction chamber (7). The shaft structure (4) of the reaction shaft (1) is provided with cooling means (8) for feeding endothermic material into the reaction chamber (7) of the reaction shaft (1).Type: GrantFiled: November 3, 2011Date of Patent: May 24, 2016Assignee: Outotec OyjInventors: Jorma Myyri, Tapio Ahokainen, Lauri P. Pesonen, Peter Björklund
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Publication number: 20130146350Abstract: Disclosed are a method for manufacturing a nonmagnetic high-nitrogen steel wire, and an overhead power line adopting the high-nitrogen steel wire as the core thereof. According to one embodiment, the method for manufacturing high-nitrogen steel wire comprises the steps of injecting argon (Ar) gas to reach atmospheric pressure after having first adjusted the pressure to 6×10?5 torr for an initial vacuum using a pressurized vacuum induction melting (VIM) furnace; and injecting nitrogen gas to reach a pressure of 2 atmospheres after having first adjusted the pressure to 6×10?5 torr for a second vacuum, and melting a nitrogen steel alloy consisting of 25 to 35 wt % of Mn, 25 to 35 wt % of Cr, 10 to 20 wt % of Ni, 0.5 to 1.0 wt % of C, and 20 to 35 wt % of Fe, which are alloy elements constituting nitrogen steel. The high-nitrogen steel wire manufactured in this manner has a nitrogen content ratio higher than 12,000 ppm, excellent mechanical strength, and nonmagnetic characteristics.Type: ApplicationFiled: August 2, 2010Publication date: June 13, 2013Applicant: Metal Link, Inc.Inventor: Jae Kwan Ku
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Patent number: 7781018Abstract: This invention discloses a method of making an oxygen scavenging particle comprised of an activating component and an oxidizable component wherein one component is deposited upon the other component from a vapor phase and is particularly useful when the activating component is a protic solvent hydrolysable halogen compound and the oxygen scavenging particle is a reduced metal.Type: GrantFiled: November 23, 2009Date of Patent: August 24, 2010Assignee: M&G USA CorporationInventor: Kevin L. Rollick
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Patent number: 7622153Abstract: This invention discloses a method of making an oxygen scavenging particle comprised of an activating component and an oxidizable component wherein one component is deposited upon the other component from a vapour phase and is particularly useful when the activating component is a protic solvent hydrolysable halogen compound and the oxygen scavenging particle is a reduced metal.Type: GrantFiled: August 3, 2005Date of Patent: November 24, 2009Assignee: M&G USA CorporationInventor: Kevin L. Rollick
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Publication number: 20090229410Abstract: A method of operating a channel induction furnace to process a feed material and obtain therefrom at least one of a molten metal product, a vapor phase metal product and a slag product. The method includes applying a controlled vacuum on the headspace of the channel induction furnace to controlling the amount of ambient air that enters the furnace or adding oxygen into the channel induction furnace. The method also includes controlling the carbon concentration in the molten bath in the channel induction furnace to control the fluidity of the bath.Type: ApplicationFiled: March 14, 2008Publication date: September 17, 2009Inventors: James E. Bratina, Thomas Edward Roberts
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Operation of iron oxide recovery furnace for energy savings, volatile metal removal and slag control
Patent number: 7513929Abstract: A method of operating a channel induction furnace so as to receive electric arc furnace (EAF) dust, basic oxygen furnace (BOF) sludge/dust and/or other iron and volatile metals containing materials as a feed stream on a batch, continuous or semi-continuous basis together with a iron-containing material feed, and therefrom produce an iron-containing hot metal or pig iron product while recovering iron value from the feed materials and recovering volatile metal components contained in the feed materials.Type: GrantFiled: April 1, 2005Date of Patent: April 7, 2009Assignee: Heritage Environmental Services, LLCInventors: James E. Bratina, Kim M. Lenti -
Patent number: 6790254Abstract: The invention relates to a method for producing a metal alloy, in which in a vessel at overpressure a certain desired content of an alloying constituent, which is gaseous in its normal state, is fed to said metal alloy. The method is designed such that precise addition by alloying of an alloying constituent which is gaseous per se, to a steel alloy subjected to overpressure in a pressure vessel, is made possible.Type: GrantFiled: May 29, 2002Date of Patent: September 14, 2004Assignee: VSG Energie - und Schmiedetechnik GmbHInventors: Heinrich Feichtinger, Irina Hucklenbroich, Gerald Stein