CS230451B1

CS230451B1 - Trekker mass for lining of converters

Info

Publication number: CS230451B1
Application number: CS181981A
Authority: CS
Inventors: Viktor K Didkovskij; Vladimir A Korotkij; Grigorij K Sirota; Viktor M Cervonenko; Jevgenij D Stepa; Vladimir V Golod; Pavel A Kaduba; Alexandr S Kornijenko; Anatolij A Cvilev; Oleg N Cemeris
Original assignee: Viktor K Didkovskij; Vladimir A Korotkij; Grigorij K Sirota; Viktor M Cervonenko; Jevgenij D Stepa; Vladimir V Golod; Pavel A Kaduba; Alexandr S Kornijenko; Anatolij A Cvilev; Oleg N Cemeris
Priority date: 1981-03-10
Filing date: 1981-03-10
Publication date: 1984-08-13

Abstract

Vynález se týká oprav agregátů pro tavení oceli prováděných za horka a je určeno pro hořákové torkretování vyzdívky konvertoru. Cílem vynálezu je zvýšení stability torkretové vrstvy. Směs pro hořákové torkretování vyzdívky konvertorů zahrnuje koks a vápno. Novým je zavedeni stavrolitového koncentrátu do vápenaté směsí při následujícím poměru složek v % hmot. koks 20 až 30 stavrolitový koncentrát 5 až 10 vápno zbytek.The invention relates to repairs of steel smelting units carried out in hot condition and is intended for burner shotcrete of the converter lining. The aim of the invention is to increase the stability of the shotcrete layer. The mixture for burner shotcrete of the converter lining includes coke and lime. The introduction of staurolite concentrate into the lime mixture at the following ratio of components in % by weight is new. coke 20 to 30 staurolite concentrate 5 to 10 lime remainder.

Description

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Claims

SUMMARY OF THE INVENTION

1. Spray mass for lining converters, increasing the refractoriness of a shotcrete layer and comprising lime, coke and an additive, characterized in that 20 to 30% by weight of the coke-like concentrate is added as an admixture of coke at the following coke ratio. 5 to 10 wt. lime residue.

2. Spray mass for lining of convents according to claim 1, characterized in that the aluminum alloy concentrate has the following composition: alumina silicon dioxide, iron oxide, titanium dioxide, zinc-zinc oxide, manganese, calcium oxide, dibasic sodium, potassium, potassium, potassium oxide, 46 to 50.2% by weight. 27 to 31 wt. 13 to 13 wt.% Wt. 1.5 to 4.45 wt% to 1-3 wt%; 1 to 3.08 wt%, 0.5 to 0.9 wt%, 0.5 to 0.9 wt%; Recognized by the invention on the basis of the expertise of the State Committee for Inventions and Discoveries of SSSP, Moscow, (SU)