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4 results on '"Refractories Lining"'

1. Calculation of cooling curve of the combustion boiler refractories lining with use of an experimental device

Author

R. Kukla, T. Vítěz, P. Trávníček, and P. Sedlák

Subjects
cooling curve, combustion boiler, refractories lining, heat transfer coefficient, Agriculture, Biology (General), QH301-705.5
Abstract

The aim of the work was modeling of cooling process dynamics of a combustion boiler and designing of the method, which is suitable for calculation of cooling time in a large scale of temperature. Methods were verified with the use of referential combustion boiler with heat output of 130 kW. This boiler burned mixture of waste sawdust and shavings originating in the course of production of wooden furniture. For these purposes specialized experimental device has been used. Cooling curves were measured in interval from 380 °C to 50 °C and were described by using of polynomial function. The cooling time was calculated by using of polynomial function in full temperature scale for cooling of combustion boiler refractories lining, from 700 °C to 50 °C.

Published
2012
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2. Innovaciones en la gestión y calidad de los revestimientos refractarios en la Compañía Siderúrgica Nacional (Brasil)

Author

Justus, S. M., Andrade, R. M., Nascimento Silva, S., Marques, O. R., Rivas Mercury, J. M., Cava, S., Soledade, L. E. B., Santos, I. M. G., Baldo, J. B., Paskocimas, C. A., Leite, E. R., Varela, J. A., and Longo, E.

Subjects
Quality, Management, Refractories Lining, Brazilian Siderurgy, Gestión, Calidad, Revestimiento refractario, Siderurgia Brasileña, Clay industries. Ceramics. Glass, TP785-869
Abstract

The work describes actions carried out in colaboration among the National Steel Company - (CSN)-Brazil and the Interdisciplinary Laboratory of Electrochemistry and Ceramic - LIEC of the Federal University of Sao Carlos Brazil (UFSCar- Brazil), in the area of I&D, for integral management and improvement of the quality and performance of the refractory linings in the sintering areas, blast furnace, hot air pipe lines transferency to the blast furnace, pig-iron ladles, running channels, blast furnaces hearths, torpedo car, etc., as well as, the economic impact generated by the installation of the adopted measures.El trabajo describe acciones realizadas en conjunto entre la Compañía Siderúrgica Nacional – (CSN)-Brasil y el Laboratorio Interdisciplinar de Electroquímica y Cerámica – LIEC de la Universidad Federal de Sao Carlos Brasil (UFSCar) - Brasil, en el área de I&D, para la gestión y mejora de la calidad de los revestimientos refractarios en las áreas de sinterización, hornos altos, líneas de trasferencia de aire caliente al horno alto, piqueras de arrabio, canales de colada, crisoles de horno alto, cucharas torpedo, etc., así como, el impacto económico generado por la implantación de las medidas adoptadas.

Published
2002

3. Calculation of cooling curve of the combustion boiler refractories lining with use of an experimental device

Author

Radovan Kukla, Petr Trávníček, Pavel Sedlák, and Tomáš Vítěz

Subjects
Materials science, Scale of temperature, Metallurgy, Heat output, Boiler (power generation), lcsh:S, Heat transfer coefficient, Combustion, refractories lining, Cooling time, heat transfer coefficient, cooling curve, lcsh:Agriculture, lcsh:Biology (General), visual_art, visual_art.visual_art_medium, Sawdust, General Agricultural and Biological Sciences, Cooling curve, lcsh:QH301-705.5, combustion boiler
Abstract

The aim of the work was modeling of cooling process dynamics of a combustion boiler and designing of the method, which is suitable for calculation of cooling time in a large scale of temperature. Methods were verified with the use of referential combustion boiler with heat output of 130 kW. This boiler burned mixture of waste sawdust and shavings originating in the course of production of wooden furniture. For these purposes specialized experimental device has been used. Cooling curves were measured in interval from 380 °C to 50 °C and were described by using of polynomial function. The cooling time was calculated by using of polynomial function in full temperature scale for cooling of combustion boiler refractories lining, from 700 °C to 50 °C.

Published
2012

4. Innovaciones en la gestión y calidad de los revestimientos refractarios en la Compañía Sideŕurgica Nacional (Brasil)

Author

S. Nascimento Silva, Edson R. Leite, O. R. Marques, I. M. G. Santos, Sergio Cava, S. M. Justus, Carlos A. Paskocimas, José Arana Varela, Elson Longo, Luiz E. B. Soledade, J.M. Rivas Mercury, J. B. Baldo, R. M. Andrade, Universidade Estadual Paulista (Unesp), CSN - Compañía Siderúrgica Nacional, Centro Federal de Educação Tecnológica (CEFET), and Universidade Federal de São Carlos (UFSCar)

Subjects
Siderurgia Brasileña, Refractories Lining, Gestión, Quality, Industrial and Manufacturing Engineering, Brazilian Siderurgy, Management, lcsh:TP785-869, lcsh:Clay industries. Ceramics. Glass, Mechanics of Materials, Political science, Ceramics and Composites, Revestimiento refractario, Humanities, Calidad
Abstract

Submitted by Vitor Silverio Rodrigues (vitorsrodrigues@reitoria.unesp.br) on 2014-05-27T11:20:33Z No. of bitstreams: 0Bitstream added on 2014-05-27T14:29:06Z : No. of bitstreams: 1 2-s2.0-52649095066.pdf: 619873 bytes, checksum: 7439b2ac0a499e8adda9618c262303c8 (MD5) Made available in DSpace on 2014-05-27T11:20:33Z (GMT). No. of bitstreams: 0 Previous issue date: 2002-12-01 The work describes actions carried out in colaboration among the National Steel Company - (CSN)-Brazil and the Interdisciplinary Laboratory of Electrochemistry and Ceramic - LIEC of the Federal University of Sao Carlos Brazil (UFSCar-Brazil), in the area of I&D, for integral management and improvement of the quality and performance of the refractory linings in the sintering areas, blast furnace, hot air pipe lines transferency to the blast furnace, pig-iron ladles, running channels, blast furnaces hearths, torpedo car, etc., as well as, the economic impact generated by the installation of the adopted measures. LIEC/CMDMC-Laboratorio Interdisciplinar de Electroquímica y Cerámica UFScar UNESP CSN - Compañía Siderúrgica Nacional Centro Federal de Educacao Tecnológica do Maranhao Departamento de Engenharia de Materials - DEMA UFScar, SP LIEC/CMDMC-Laboratorio Interdisciplinar de Electroquímica y Cerámica UFScar UNESP

Published
2002

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