Heat storage ball
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Product Introduction
The heat storage ball produced by our company has the characteristics of low shrinkage rate of re-burning line, high load softening temperature and strong corrosion resistance, especially in the process of heat storage burner change, the temperature drops rapidly and rises in the environment, the thermal shock stability is good, the amount of heat storage is large, and the occurrence of thermal shock crushing reduces ventilation or blocks the channel. It has been successfully applied in more than 30 steel enterprises such as Chengde Steel, Han Steel and Jigang.
(I) on the main physical and chemical signs of the heat storage ball
| Item | JH-Q75 | JH-Q80 | JH-Q85 |
| Al₂O₃ (%);≥ | 75 | 80 | 85 |
| Bulk density (g/cm³);≥ | 2.50 | 2.70 | 2.80 |
| Bulk weight (Kg/m³) | 1500~1700 | 1650~1800 | 1650~1800 |
| Room temperature ~ 1200 ℃ Average coefficient of thermal expansion (× 10/℃);≤ | 6.5 | 8 | 8 |
| Thermal conductivity coefficient [W/(m · K)] at 1000 ℃; ≥ | 1.5 | 1.6 | 1.6 |
| Water cooling at 1100 ℃ (times);≥ | 30 | 30 | 20 |
| Long-term use temperature (℃) | 1450 | 1550 | 1550 |
(II) on the main physical and chemical signs of the heat storage ball
| Item | JH-Q90 | JH-Q95 | JH-Q99 |
| Al₂O₃ (%);≥ | 90 | 95 | 99 |
| Bulk density (g/cm³);≥ | 2.80 | 3.15 | 3.30 |
| Bulk weight (Kg/m³) | 1700~1850 | 1850~2100 | 1700~1850 |
| Room temperature ~ 1200 ℃ Average coefficient of thermal expansion (× 10/℃);≤ | 8 | 9 | 9 |
| Thermal conductivity coefficient [W/(m · K)] at 1000 ℃; ≥ | 1.7 | 2.1 | 2.3 |
| Long-term use temperature (℃) | 1550 | 1550 | 1650 |
The specifications of the heat storage ball are generally ø14-16mm, ø15-18mm, ø17-19mm, ø18-20mm, etc. Other specifications can be provided according to user requirements.
Packing: 25 kg/bag, 50 kg/bag preservation precautions: moisture-proof
Key words:
Heat storage ball
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