The tap hole clay is used to block the taphole plays an irreplaceable role in ensuring stable and high production of the blast furnace, improving the working strength and environment before the furnace, and prolonging the service life of the blast furnace.
The tap hole clay is used to block the taphole plays an irreplaceable role in ensuring stable and high production of the blast furnace, improving the working strength and environment before the furnace, and prolonging the service life of the blast furnace. Zhengzhou CH refractories has developed water tap hole clay , waterless tap hole clay and environmentally friendly tap hole clay according to different furnace capacity, operating habits and technical requirements. The company’s tap hole clay has the characteristics of good filling, easy opening, improved environment at site, stable iron mouth, etc., ensuring high-yield blast furnace and reducing the working intensity at sight.
Advantages of Tap Hole Clay:
• High refractoriness to resistance iron slag erosion
• Good performance on anti-scouring of iron slag
• Good volume stability
• Fast firing and with high sintering strength
• Easy to open
|
Items |
Environmentally friendly tape hole clay |
Waterless tape hole clay |
Water tape hole clay |
|
Binding agent |
Resin |
Tar |
Water |
|
Al2O3（%） |
≥27.00 |
≥25.00 |
≥25.00 |
|
SiC+C（%） |
≥30.00 |
≥30.00 |
﹥25.00 |
|
Moisture（%） |
﹤0.5 |
﹤0.5 |
18.0 |
|
Bulk density（g/cm3） |
1.60～2.20 |
1.60～2.20 |
1.40～1.80 |
|
Compressive strength（MPa）1350℃×3h |
≥8.0 |
≥10.0 |
≥6.0 |
|
Apparent porosity（%） |
≤35.0 |
≤32.0 |
≤40.0 |
Use nodular cast iron as raw material .The sealing height is only 110mm.The fan-shaped plate is equipped with two slideplate block. The moving fan-shaped case handle can make one of the slide plate cast hole in working,and make another one moving to the other space of the hydraulic control system.
CH refractories can design and produce argon purging and non-purging monoblock stopper as per the conditions of continuous casting processes in steel mills. The head of monoblock stopper can be Al2O3-C , MgO-C, Spinel-C or ZrO2-C based according to the types of steel to cast.
CH Refractories manufactures different brands ladle nozzle and collector nozzle for various capacity ladle, which can meet different service life requirements.
If you need our products please write down any questions, we will reply as soon as possible.