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Electric Furnaces for Making Iron and Steel

Description: From Introduction: "Some results of the work already done are presented in this bulletin, which gives a historical review of the development of electric furnaces for making iron and steel, and discusses the problems that remain to be solved in the use of electric furnaces for the smelting of iron ores and the production of pig iron at a profit on a commercial scale."
Date: 1914
Creator: Lyon, Dorsey A. & Keeney, Robert M.
Partner: UNT Libraries Government Documents Department

The Electric Furnace in Metallurgical Work

Description: From Introduction: "This bulletin presents a compilation of such data as seem to be useful for the information of persons who may be interested in the matter. In the application of electricity to metallurgy three kinds of processes are involved, namely, mechanical, thermal, and electrolytic."
Date: 1914
Creator: Lyon, Dorsey A.; Keeney, Robert M. & Cullen, Joseph F.
Partner: UNT Libraries Government Documents Department

The Flow of Heat Through Furnace Walls

Description: From Introduction: "This bulletin contains a statement of certain results that will be embodied in a report describing investigations of the combustion of fuel made by the United States Geological Survey and the Bureau of Mines in a specially constructed long furnace."
Date: 1911
Creator: Ray, Walter T. & Kreisinger, Henry
Partner: UNT Libraries Government Documents Department

Combustion of Coal and Design of Furnaces

Description: From Purpose and scope of Investigations: "The combustion investigations of bureau are carried on in two parts. One part is the study of the process of combustion in the fuel bed as affected by the rate of supplying air through the fuel bed, by the character of the fuel as regards structure and composition, by the thickness of fuel bed, by the method of feeding the coal and the air and by the method of heating the coal. The second part of the investigation is the study of the process of combustion of the gases and other combustible rising from the fuel bed in the combustion space, after a sufficient quantity of air has been added. The results of the study are given in this report."
Date: 1917
Creator: Kreisinger, Henry; Augustine, C. E. & Ovitz, F. K.
Partner: UNT Libraries Government Documents Department

Melting Brass in a Rocking Electric Furnace

Description: From Object of Report: "The object of this paper is to set forth in detail the possibilities and limitations of a rocking electric brass furnace. The general problem of electric brass furnaces is discussed and various types of furnaces are compared only so far as is necessary for the purpose of this report."
Date: 1918
Creator: Gillett, H. W. & Rhoads, A. E.
Partner: UNT Libraries Government Documents Department

Electric Brass Furnace Practice

Description: Report discussing 1) the pertinent information available on what electric furnaces can do to assist prospective users in selecting a furnace that fits their requirements and 2) the gradual evolution of the present commercial types of electric furnaces. Also discusses some of the fundamental principles in the design, construction, and operation of electric furnaces.
Date: July 1922
Creator: Gillett, H. W. & Mack, E. L.
Partner: UNT Libraries Government Documents Department

Electric Brass Furnace Practice

Description: Report issued by the Bureau of Mines discussing the use of electric furnaces for melting brass, and other nonferrous alloys. Monetary benefits, health benefits, and other advantages of using electric furnaces are presented. Descriptions of furnaces and their operational methods are also presented. This report includes tables, illustrations, and photographs.
Date: 1922
Creator: Gillett, H. W. & Mack, E. L.
Partner: UNT Libraries Government Documents Department

Occupational Hazards at Blast-Furnace Plants and Accident Prevention: Based on Records of Accidents at Blast Furnaces in Pennsylvania in 1915

Description: From Preface: "The information presented in this report is the outcome of a detailed investigation made at the blast-furnace plants of Pennsylvania during the year 1915 by the inspectors of the department of labor and industry of that State and by F.H. Wilcox, metallurgical engineer of the Bureau of Mines. It is hoped that this detailed review of the causes, circumstances, and prevention of accidents will be of assistance to the executive officials of the plants and to the employees by making clear the responsibility for accidents, by emphasizing the probability of repetition of many accidents unless care is taken, and by demonstrating the practicability of safeguards, thus resulting in a lessened number of injuries and fatalities."
Date: 1917
Creator: Willcox, Frederick H.
Partner: UNT Libraries Government Documents Department

The Smokeless Combustion of Coal in Boiler Furnaces

Description: From Introduction: "The present bulletin not only shows that bituminous coals high in volatile matter can be burned without smoke, but also that large plants carrying loads that fluctuate widely, where boilers over banked fires forced to the capacity of their units, can be operated without producing smoke that is objectionable."
Date: 1912
Creator: Randall, D. T. & Weeks, H. W.
Partner: UNT Libraries Government Documents Department

Production of Sponge Iron

Description: From Review of Sponge-Iron Processes: "This review of the development if the sponge-iron process to its present state gives only the important types of furnaces or processes tried."
Date: 1927
Creator: Williams, C. E.; Barrett, E. P. & Larsen, B. M.
Partner: UNT Libraries Government Documents Department

A New Process for Hot Metal Production at Low Fuel Rate - Phase 1 Feasibility Study

Description: The project is part of the continuing effort by the North American steel industry to develop a coal-based, cokeless process for hot metal production. The objective of Phase 1 is to determine the feasibility of designing and constructing a pilot scale facility with the capacity of 42,000 mtpy of direct reduced iron (DRI) with 95% metallization. The primary effort is performed by Bricmont, Inc., an international engineering firm, under the supervision of McMaster University. The study focused on the Paired Straight Hearth furnace concept developed previously by McMaster University, The American Iron and Steel Institute and the US Department of Energy.
Date: February 1, 2006
Creator: Lu, Dr. Wei-Kao
Partner: UNT Libraries Government Documents Department

Optimization of the cooling profile to achieve crack-free Yb:S-FAP crystals

Description: Yb:S-FAP [Yb{sup 3+}:Sr{sub 5}(PO{sub 4}){sub 3}F] crystals are an important gain medium for diode-pumped laser applications. Growth of 7.0 cm diameter Yb:S-FAP crystals utilizing the Czochralski (CZ) method from SrF{sub 2}-rich melts often encounter cracks during the post growth cool down stage. To suppress cracking during cool down, a numerical simulation of the growth system was used to understand the correlation between the furnace power during cool down and the radial temperature differences within the crystal. The critical radial temperature difference, above which the crystal cracks, has been determined by benchmarking the simulation results against experimental observations. Based on this comparison, an optimal three-stage ramp-down profile was implemented and produced high quality, crack-free Yb:S-FAP crystals.
Date: August 20, 2007
Creator: Fang, H; Qiu, S; Kheng, L; Schaffers, K; Tassano, J; Caird, J et al.
Partner: UNT Libraries Government Documents Department

Cold-Mold Arc Melting and Casting

Description: Report issued by the Bureau of Mines discussing the cold-mold arc-melting technology and techniques. As stated in the introduction, "the objectives of this book are twofold: To accumulate and update Bureau of Mines contributions to cold-mold arc melting and casting, and, by addition of pertinent chapters, to provide production melters and researchers with the best possible view of the overall technique" (p. 1). This report includes tables, illustrations, and photographs.
Date: 1968
Creator: Beall, R. A.; Caputo, F.; Hayes, E. T.; Asai, G.; Roberson, A. H.; Clites, P. G. et al.
Partner: UNT Libraries Government Documents Department

Calderon Cokemaking Process/Demonstration Project

Description: During this reporting period an agreement was entered into with Bechtel Corporation for design and construction of Calderon cokemaking facilities (see enclosed letter of February 28, 1997). A second agreement with Bechtel Enterprises to commercialize the Calderon technology as a worldwide business has progressed; during the forthcoming quarter, it is expected to have in place an agreement with Bechtel Enterprises (see attached letter of February 20, 1997). Thyssen Still Otto Anlagentechnik (TSOA), the world's largest builder of conventional cokemaking facilities indicated that it would be please to join Bechtel and Calderon in the demonstration and implementation of Calderon's cokemaking technology (see attached letter of January, 1997).
Date: April 8, 1998
Partner: UNT Libraries Government Documents Department

Calderon Cokemaking Process/Demonstration Project

Description: This project deals with the demonstration of a coking process using Calderon's proprietary technology for: (i) making coke of such quality as to be suitable for use in high driving (highly productive) blast furnaces; and (ii) providing proof that such process is continuous and environmentally closed to prevent emissions. The activities of the past quarter were entirely focused on the rehabilitation of Calderon's Process Development Unit (PDU-I) in Alliance, Ohio to conduct a series of tests under steady state using coal from Bethlehem Steel and U.S. Steel in order to demonstrate the above.
Date: April 8, 1998
Partner: UNT Libraries Government Documents Department

Calderon Cokemaking Process/Demonstration Project

Description: This project deals with the demonstration of a coking process using proprietary technology of Calderon with the following objectives in order to enable its commercialization: (i) making coke of such quality as to be suitable for use in high driving (highly productive) blast furnaces; (ii) providing proof that such process is continuous and environmentally closed to prevent emissions; and (iii) demonstrating that high-coking-pressure (non-traditional) coal blends which cannot be safely charged into conventional by-product coke ovens can be used in the Calderon process. The activities of the past quarter were entirely focused on operating the Calderon Process Development Unit (PDU-I) in Alliance, Ohio conducting a series of tests under steady state using coal from Bethlehem Steel and U.S. Steel in order to demonstrate the above. The objectives mentioned above were successfully demonstrated.
Date: April 8, 1998
Partner: UNT Libraries Government Documents Department