Method for treating refractory block

Details Method for treating refractory block Method for treating refractory block

1979-10-09

1981-09-22

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Furnace lining formation or repair

264 62, 264131, 264133, C04B 4124

Patent

active

042909848

ABSTRACT:
A block is formed from uncured grains of refractory material. The block is sintered to fully cure the block which, as sintered, has pores extending inwardly from the surface of the block. The fully cured block is soaked in a first liquid to impregnate the block with the first liquid which, upon heating, forms into a material which at least partially fills the pores, and the filling material is compatible with the original refractory material of the block. The block is then soaked in a second liquid containing very fine particles of refractory material which are deposited in the partially filled pores. Upon heating, the very fine particles are reacted with a compound at least part of which originates with the first liquid to form a reaction product which further fills the pores. These procedures enhance the resistance of the block to slag penetration.

REFERENCES:
patent: 2792214 (1957-05-01), Eusner
patent: 3681113 (1972-08-01), Yoldas
patent: 3708317 (1973-01-01), Owen
patent: 3943216 (1976-03-01), Bakker
patent: 4077808 (1978-03-01), Church

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