High Abrasion Alumina Ceramic Industrial Nozzle
Description:
Wear Resistant Alumina Ceramic Nozzle wear loss, can reduce product contamination. Widely be used in metallurgy, steel, cement industries, etc. Especially on the coal conveying system, the coal pulverizing system and coal ash discharge system,batching system. For example, be lined on the outlet pipe of coal mills, inlet pipe of separator, primary air pipe,pulverized coal pipe, etc.
Technical Parameters:
Test item/Unit | Numerical Value | Test item/Unit | Numerical | ||||
Product Material | Alumina | Zirconia | Product Material | Alumina | Zirconia | ||
Component Content % | ≥99% | ≥95% | ≥90% | Volume Resistance MM | >1012 | >1012 | >1012 |
Sintering Temp ℃ | 1780-1800 | 1650-1680 | 1550-2600 | Bending Strength Mpa | 400 | 320 | 1100 |
Specific Gravity g/cm3 | ≥3.8 | ≥3.6 | >6 | Thermal Expansion Coefficient'10' | 6.8-8.0 | 6.2-8.5 | 6.9-10 |
Breakdown Voltage Strength kv/mm | 15 | 15 | 15 | Roughness um | ≤0.8 | ≤0.8 | ≤0.8 |
Bibulous Rate% | <0.01 | <0.01 | <0.01 | Mirror Polished Ra | ≤0.05 | ≤0.1 | ≤0.05 |
Anti Pressure Mpa | 3700Mpa | 2400Mpa | 5000Mpa | Thermal Conductivity W/m.k | 25 | 20 | 25 |
Hardness Hra | ≥88 | ≥82 | ≥88 | Temperature Resistance ℃ | 1700 | 1600 | 1800 |
Advantages:
1. Excellent insulation ,security , long working life .
2. Precise grinding and polishing.
3. Excellent heat radiation, small size ,more environmental and energy-efficient .
4. good thermal conductivity.
5. large specific heat capacity.
6. low pressure drop.
7. good heat-shock resisting ability.
8. Working temperature: 600℃-1200℃.
Application:
1. Shaft, Plunger.
2. High-pressure cleaning machines.
3. Sealing structure.
4. Auto mobile industry.
5. Oil drilling equipment.
6. Insulation parts in electrical equipment.
7. Ceramic knife.
8. Ceramic hair clipper spare parts.
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