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Hoogoond

Hoogoond
aggregate
Subklas vanmetallurgiese oond, kilnWysig
VervangbloomeryWysig
Produk of materiaal wat geproduseer wordcast iron, ferroalloyWysig

‘n Hoogoond word gebruik om deur smelting metaal aan die ertse te onttrek. Dit is die proses waardeur ru-yster uit ystererts verkry word.

So ‘n oond is ‘n silindervormige toringgebou van staalplate en van binne uitgevoer met vuurvaste bakstene. Kooks, kalksteen en erts word in die juiste verhouding gemeng en aan die brand gesteek. Die temperatuur van die mengsel word daarna geweldig verhoog deur die voortdurende inblaas van warm lug. Die ystererts word teen daardie hoë temperatuur vloeibaar en as die vloeistof stol, word potyster verkry.

Die eerste hoogoond wat potyster in Suid-Afrika geproduseer het, is deur S.L. Green te Sweetwaters naby Pietermaritzburg opgerig. Dit was in 1901 of 1902 en het twee ton yster gelewer voordat produksie gestaak is. In 1909 het Green met sy proefneming voortgegaan en 12 ton potyster gemaak. 'n Elektriese ingenieur uit Nederland, Cor Delfos, bou in 1917 ‘n hoogoond in Pretoria-Wes waaruit Yskor ontwikkel.

Bibliografie

  • Lantern. Tydskrif vir Volksopvoeding. Jaargang 3, nr. 1, Junie 1953.

Eksterne skakels

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Hoogoond
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