Method of repairing hot refractory linings in high-temperature v

Details Method of repairing hot refractory linings in high-temperature v Method of repairing hot refractory linings in high-temperature v

1997-03-25

1998-08-11

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Furnace lining formation or repair

264 36, 264 69, F27D 116

Patent

active

057923930

ABSTRACT:
A method of repairing damaged hot refractory linings in high-temperature vessels includes forming an opening through the outer shell of the vessel proximate to the damaged region of the hot refractory lining, and introducing a refractory material into the damaged region. The refractory material is rapidly injected in a sufficient amount to effect complete filling, and is fast curing to strength at the operating temperature of the vessel. The method eliminates the need to allow the vessel to cool down to ambient temperature and then reheat the vessel to operating temperature thereby eliminating thermal cycling of the refractory lining.

REFERENCES:
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patent: 4465648 (1984-08-01), Kiriyama et al.
Thermbond.RTM. Refractories Product Information (18 pages), Stellar Materials, Inc.
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Premier Cer-Wool.RTM. Pumpable AR Insulation Product Data Sheet.
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ThermalCeramics Cease-Fire.RTM. 200 Pump Product Information Sheet.
ThermalCeramics Cease-Fire.RTM. 100 Pump Product Information Sheet (2 pages).

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