Dry heat setting refractory and methods of using same

Details Dry heat setting refractory and methods of using same Dry heat setting refractory and methods of using same

1979-08-23

1981-03-03

Poer, James

Dispensing

Processes of dispensing

Molten metal

106 84, B22D 4102

Patent

active

042535905

ABSTRACT:
This disclosure involves a dry heat setting refractory and method of using same in the securing of nozzles to nozzle blocks in steel pour ladles. The refractory is sized so that it can be placed between the nozzle and nozzle block in a dry condition, and then forms an adhesive bond in situ, when molten steel is poured into the ladle and onto the refractory. The composition comprises a sized refractory material, preferably having MgO in the fines fraction, and includes the addition of about 2 to about 6% hydrated alkali silicate, preferably sodium silicate, which forms a refractory bond when engaged by the hot metal.

REFERENCES:
patent: 2499729 (1950-03-01), Daussan
patent: 4165026 (1979-08-01), Hazlehurst et al.

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