Fire-resistant ball, heat storage ball
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Product Description
- 产品描述
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Refractory balls and regenerative balls are made primarily from industrial alumina and refractory high-alumina materials through scientific formulation, shaping, and high-temperature calcination. They feature high mechanical strength, long service life, good chemical stability, no chemical reaction with materials, and excellent high-temperature resistance, with a maximum temperature of up to 1900 degrees Celsius. They are especially suitable for use in fertilizer plant high and low temperature swing furnaces, conversion furnaces, hydroconversion reactors, desulfurization tanks, and methanation furnaces, serving to disperse gas-liquid phases, support coverage, and protect catalysts. They can also be used in hot air furnaces and heating conversion equipment in the steel and aluminum processing industries.
Technical Specifications
Performance/Type
Refractory Ball
Regenerative Ceramic Ball
Chemical Composition
Al 2 O 3
30-90%
60-99%
Al 2 O 3 +SiO 2
≧90%
≧90%
Fe 2 O 3
≦1%
≦1%
Specification Size mm
Φ10-20/20-40
Φ16-18/20-25
Apparent Porosity %
≧20
Softening Temperature under 0.2MPa Load / ℃
≧1200
≧1400
Refractoriness ℃
1550
1750
Thermal Expansion Coefficient (Room Temp~1000℃) / (1/℃)
≦6.0*10 -6
Specific Heat Capacity J/(g.k)
≧0.80
Wear Rate %
≦0.1
≦0.1
Mohs Hardness
≧6.5
≧6.5
Bulk Density Kg/m³ 3
1300-1800
1400-1800
Compressive Strength / KN
≧3.5
≧4.0
Standard: Industry Standard JC /T2348-2015 "Regenerative Ceramic Ball"
Product Inquiry
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Address: Economic Industrial Park, East Street, Anyuan District, Pingxiang City, Jiangxi Province
Email: rk18307098991@163.com