BR9800834A - Air heating system for blast furnaces. - Google Patents

Air heating system for blast furnaces.

Info

Publication number
BR9800834A
BR9800834A BR9800834A BR9800834A BR9800834A BR 9800834 A BR9800834 A BR 9800834A BR 9800834 A BR9800834 A BR 9800834A BR 9800834 A BR9800834 A BR 9800834A BR 9800834 A BR9800834 A BR 9800834A
Authority
BR
Brazil
Prior art keywords
heating system
air heating
blast furnaces
air
blast
Prior art date
Application number
BR9800834A
Other languages
Portuguese (pt)
Inventor
Charles Michel Groenner
Original Assignee
Magnesita S A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Magnesita S A filed Critical Magnesita S A
Priority to BR9800834A priority Critical patent/BR9800834A/en
Publication of BR9800834A publication Critical patent/BR9800834A/en

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Abstract

"SISTEMA DE AQUECIMENTO DE AR PARA ALTOS-FORNOS". A presente invenção de um sistema de aquecimento do ar para altos-fornos que consiste de pré-aquecimento do ar em um regenerador do tipo "glendon" antes do aquecimento final em um regenerador do tipo "cowper", proporciona uma economia de combustível de 10% e uma substituição de outros 9% de combustível granulado por finos."AIR HEATING SYSTEM FOR BLAST OVENS". The present invention of an air heating system for blast furnaces, which consists of preheating the air in a "glendon" regenerator before final heating in a "cowper" regenerator, provides a fuel economy of 10 % and a replacement of another 9% of granulated fuel for fines.

BR9800834A 1998-03-05 1998-03-05 Air heating system for blast furnaces. BR9800834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9800834A BR9800834A (en) 1998-03-05 1998-03-05 Air heating system for blast furnaces.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9800834A BR9800834A (en) 1998-03-05 1998-03-05 Air heating system for blast furnaces.

Publications (1)

Publication Number Publication Date
BR9800834A true BR9800834A (en) 1999-09-21

Family

ID=4069371

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9800834A BR9800834A (en) 1998-03-05 1998-03-05 Air heating system for blast furnaces.

Country Status (1)

Country Link
BR (1) BR9800834A (en)

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 11A,12A E 13A ANUIDADES

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2257 DE 08/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 11A, 12A E 13A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.