PL116795B1 - Method of making constructional steel castings,in particular profiled mine lining components - Google Patents

Method of making constructional steel castings,in particular profiled mine lining components Download PDF

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Publication number
PL116795B1
PL116795B1 PL22260677A PL22260677A PL116795B1 PL 116795 B1 PL116795 B1 PL 116795B1 PL 22260677 A PL22260677 A PL 22260677A PL 22260677 A PL22260677 A PL 22260677A PL 116795 B1 PL116795 B1 PL 116795B1
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PL
Poland
Prior art keywords
pouring
ingots
ladle
steel castings
constructional steel
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Application number
PL22260677A
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Polish (pl)
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Publication date
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Priority to PL22260677A priority Critical patent/PL116795B1/en
Publication of PL116795B1 publication Critical patent/PL116795B1/en

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Description

Przedmiotem wynalazku jest sposób odlewania stali konstrukcyjnej, zwlaszcza na ksztaltowniki górniczej obudowy.Dotychczas uspokojona stal na ksztaltowniki górniczej obudowy, odlewana jest do wlewnicy •z kadzi, przy czym w kadzi umieszczone sa za- syplka samosmarujaco-ocieplajaca, i wikladki izo¬ lacyjne. Sposób ten wymaiga stosowania: trudno- oisiagalnych i uciazliwych w magazynowaniu i w uzyciu zasypek i wkladek.Sposób odlewania wedLug wynalazku polega na tym, ze stal z kadzi do wlewnicy odlewa sie ze zwiekszona predkoscia odlewania, wynikajaca z mi¬ nimalnej srednicy wylewu kadzi i wynoszacej min. 0 50 mm. Po odlaniu wlewki posypuje sie drob¬ nym zelazokrzemem, zas glowy wlewków chlodzi sie przez intensywne polewanie ich woda.Taki sposób odlewania stali umozliwia wyelimi¬ nowanie trudnodostepnych i uciazliwych w uzy¬ ciu zasypek samosimarujacych i wkladek izoluja¬ cych oraz umozliwia zmniejszenie jaimy skurczo¬ wej wlewka, przez co osiaga sie poprawe uzysku praktycznie wynoszaca ponad 3%.Przyklad I. Wlewki male o ciezarze okolo 10 15 20 3 ton odlewa sie ze zwiekszona predkoscia wyni¬ kajaca ze srednicy wylewu kadzi wynoszacej 0 50 mm. Po odlaniu wlewki posypuje sie drob¬ nym zelazokrzemem i glowy wlewków polewa sie intensywnie woda.Przyklad II. Wlewki duze o ciezarze okolo 8 ton odlewa sie ze zwiejkszona predkoscia wyni¬ kajaca ze srednicy wylewu kadzi wynoszacej 0 75 mm. Naistejpnie po'odlaniu wlewki posypuje sie drobnym zelazokrzemem i glowy wlewków polewa sie intensywnie woda.Zastrzezenie patentowe Sposób odlewania stali konstrukcyjnej, zwlasz¬ cza na ksztaltowniki górniczej obudowy, polegaja¬ cy na odlewaniu jej z kadzi do wlewnic, znamien¬ ny tym, ze stosuje sie zwiekszone predkosci od¬ lewania wynikajace z minimalnej srednicy wyle¬ wu kadzi wynoszacej min. 0 50 mm, a po odla¬ niu wlewki posypuje sie drobnym zelazokrzemem, zas glowy wlewków chlodzi sie przez intensywne polewanie ich woda. 116-795 PLThe subject of the invention is a method of casting structural steel, especially for the shapes of the mining housing. Until now, the calmed steel for the shapes of the mining housing is cast into the ingot mold from the ladle, with a self-lubricating and warming cap and insulating plugs in the ladle. The method of casting according to the invention consists in pouring steel from the ladle into the ingot mold with an increased pouring speed, resulting from the minimum diameter of the pouring ladle and the minimum diameter of the ladle. . 0 50 mm. After pouring, the ingots are sprinkled with fine ironsilicon, the heads of the ingots are cooled by intensive sprinkling with water. This method of steel casting allows for the elimination of hard-to-reach and difficult to use self-priming powders and insulating insulating inserts and reducing the incrustation of the skin. an ingot, whereby an improvement in the yield of practically more than 3% is achieved. Example 1. Small ingots weighing about 10 15 20 3 tons are poured with an increased speed resulting from the diameter of the nozzle of the ladle being 0 50 mm. After pouring, the ingots are sprinkled with fine ferrosilicon and the heads of the ingots are intensively poured over with water. Example II. Large ingots with a weight of about 8 tons are poured at an increased speed resulting from the diameter of the ladle outlet being 0 75 mm. Subsequently, after pouring the ingot, fine ironsilicon is sprinkled on the heads of the ingots and the heads of the ingots are intensively sprinkled with water. Patent disclaimer The method of casting structural steel, especially on the shapes of the mining casing, consisting in pouring it from a ladle into ingot molds, characterized by the fact that increased pouring speed resulting from the minimum diameter of the outlet of the ladle being min. 0 50 mm, and after pouring, the ingots are sprinkled with fine ferrosilicon, while the heads of the ingots are cooled by intensive pouring of water over them. 116-795 PL

Claims (1)

1. Zastrzezenie patentowe Sposób odlewania stali konstrukcyjnej, zwlasz¬ cza na ksztaltowniki górniczej obudowy, polegaja¬ cy na odlewaniu jej z kadzi do wlewnic, znamien¬ ny tym, ze stosuje sie zwiekszone predkosci od¬ lewania wynikajace z minimalnej srednicy wyle¬ wu kadzi wynoszacej min. 0 50 mm, a po odla¬ niu wlewki posypuje sie drobnym zelazokrzemem, zas glowy wlewków chlodzi sie przez intensywne polewanie ich woda. 116-795 PL1. Patent claim The method of casting structural steel, especially into the shapes of the mining casing, consisting in casting it from the ladle into ingot molds, characterized by the increased casting speeds resulting from the minimum diameter of the ladle pouring min. 0 50 mm, and after pouring, the ingots are sprinkled with fine ferrosilicon, while the heads of the ingots are cooled by intensive pouring of water over them. 116-795 PL
PL22260677A 1977-07-28 1977-07-28 Method of making constructional steel castings,in particular profiled mine lining components PL116795B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL22260677A PL116795B1 (en) 1977-07-28 1977-07-28 Method of making constructional steel castings,in particular profiled mine lining components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL22260677A PL116795B1 (en) 1977-07-28 1977-07-28 Method of making constructional steel castings,in particular profiled mine lining components

Publications (1)

Publication Number Publication Date
PL116795B1 true PL116795B1 (en) 1981-06-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
PL22260677A PL116795B1 (en) 1977-07-28 1977-07-28 Method of making constructional steel castings,in particular profiled mine lining components

Country Status (1)

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PL (1) PL116795B1 (en)

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