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Refractory gunning mass for blast furnace infrastructure (lining repair)
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Refractory gunning mass for blast furnace infrastructure (lining repair)

The blast furnace refractory gunning mix is divided into three types according to the order of adding water (or solution) and the amount of water used, such as wet method, semi-dry method and dry spray coating.
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DESCRIPTION

The mixture ratio of blast furnace gunning mass needs to meet the following conditions:

It achieves the required strength, less rebound, less spray dust, good adhesion and no blockage of the conveying pipe, etc.

 

The blast furnace refractory gunning mix is divided into three types according to the order of adding water (or solution) and the amount of water used, such as wet method, semi-dry method and dry spray coating.

 

The series of gunning mass for blast furnace infrastructure produced by our company have the advantages of easy spraying construction, high strength and high refractoriness, which can significantly improve the service life of blast furnaces and are suitable for blast furnaces constructed by various mechanical spraying methods.

 

Item Index
GJP-35 GJP-40A GJP-40B GJP-45 GJP-55
Al2O3 (%)  ≥ 35 40 40 45 55
Fe2O3 (%)  ≤ / 1 1.5 / /
Bulk density (g/cm3) ≥ 110℃×24h dry off 1.8 2 2 2 2.1
Bending  strength (MPa) ≥ 110℃×24hdry off 3 3 3 4 5
3h after burning 4 5 5 6 6
(1300℃) (1000℃) (1000℃) (1400℃) (1300℃)
Linear change rate (%) 3h after burning ±1.0 ±1.0 ±1.0 ±1.0 ±1.0
(1300℃) (1000℃) (1000℃) (1400℃) (1300℃)
Application Upper part of blast furnace lining Rise/drop tube Gas sealing plate Lower part of furnace to the abdomen Upper part of blast furnace lining

 

 

Corresponding parameter set not found, please add it in property template of background
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暂未实现,敬请期待
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