Thermal Shock Tester for Refractories
The RZL-14/16 measures the thermal shock resistance of refractory products by compressed-air-flow or water-quick-cooling methods. It is used for refractory products, ceramics, glass, graphite, and other non-metallic silicate products in accordance with YB/T 376.1 and YB/T 2206.1-1998.
- Model
- RZL-14/16
- Category
- Thermal Shock
Product Description
The tester is designed to assess the thermal shock resistance of refractory products. Its specimen chuck rotates horizontally for loading and for observing damage to the specimen end face, and the instrument is manufactured to the requirements of YB/T 376.1 and YB/T 2206.1-1998.
Testing options are compressed-air flow and water quick cooling. The instrument applies to refractory products, ceramics, glass, graphite, and other non-metallic silicate products.
Technical Specifications
| Parameter | Specification |
|---|---|
| Maximum furnace working temperature | 1,400 °C or 1,600 °C |
| Temperature-uniformity zone | Size determined by specimen; ±2 °C between any two points |
| Temperature-control accuracy | ±2 °C |
| Temperature recovery after cold loading | 5 minutes |
| Compressed-air pressure | 0.1 MPa |
| Nozzle size | Ø8 × 5 mm |
| Furnace size | 300 × 300 × 400 mm, selected for the specimen |
| Specimen capacity | 3 standard bricks |
| Water-quick-cooling temperature | 20 ± 0.5 °C |
| Upper blade curvature radius in three-point bending | R5 |
| Distance between lower blades | 100 mm |
| Power supply | 3 × 220 V, 50 Hz |
| Power consumption | 6 kW |
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