FIELD: process engineering.
SUBSTANCE: invention relates to metallurgy, particularly, to casting of ingots or billets into cooled moulds with permeable walls. Proposed system ensures feed of gas flow with approximately constant mass flow rate for separate moulds. Gas flows with approximately constant mass flow rate for all moulds are maintained at one moulding table. For this, programmable logic controller is used integrated with gas mass flow rate regulator for continuous monitoring and maintaining constant mass flow rate gas flows.
EFFECT: uniform mass flow rate through permeable walls at particular moulding table.
9 cl, 20 dwg
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