Cement Rotary Kiln

The rotary kiln burning zone exceeds 1400°C; coating stability determines magnesia brick life, while the transition zone faces thermal shock and mechanical stress.

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Kiln Problems

Problem-by-problem analysis with solutions and recommended refractories

Recommended Products

Magnesia-Chrome Brick

Magnesia-Chrome Brick

Magnesia-chrome brick (MgO≥60%, Cr₂O₃≥12%, refractoriness ≥1900℃) with magnesia-chromite spinel structure resists attack by high-temperature slags and melts with high hot strength and washout resistance.

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Magnesia Brick

Magnesia Brick

Magnesia brick with periclase as the main phase (MgO≥95%, refractoriness ≥2000℃) offers outstanding resistance to basic slags and iron-oxide slag plus excellent high-temperature performance.

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Silicon-Mullite Brick

Silicon-Mullite Brick

Silicon-mullite brick (Al₂O₃≥55%, SiC≥20%) combines mullite thermal-shock resistance with SiC high thermal conductivity and wear resistance, with low conductivity for energy saving.

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Spalling-Resistant High-Alumina Brick

Spalling-Resistant High-Alumina Brick

Spalling-resistant high-alumina brick introduces ZrO₂ (3-6%) for transformation and microcrack toughening. Al₂O₃≥70%, thermal-shock stability ≥15 cycles, greatly improved resistance to structural spalling under frequent temperature cycling.

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Low-Creep High-Alumina Brick

Low-Creep High-Alumina Brick

Low-creep high-alumina brick with Al₂O₃≥75% and creep rate ≤0.8% (1550℃×50h), RUL ≥1550℃. Minimal deformation under long-term hot load, engineered for load-bearing hot stove domes and walls.

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High-Alumina Brick LZ-65

High-Alumina Brick LZ-65

High-alumina brick LZ-65 (Al₂O₃≥65%, refractoriness ≥1790℃) has a higher corundum/mullite phase ratio for stronger slag resistance, higher temperature rating and better hot load-bearing capacity.

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Micro-Expansion High-Alumina Brick

Micro-Expansion High-Alumina Brick

Micro-expansion high-alumina brick (Al₂O₃≥75%, PLC 0.2-0.6% at 1500℃) expands slightly at temperature to compensate joint shrinkage, improving lining integrity and preventing gas/slag leakage.

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