Refractory TestingRefractories

Refractory Thermal Shock Resistance Tester

The instrument measures thermal shock resistance of refractory products, ceramics, glass, nonmetallic materials, graphite, and silicate products by selectable compressed-air or water-quench methods. It is manufactured in accordance with the equipment requirements of YB/T 376.1 and also meets the requirements of YB/T 2206.1-1998.

Model
RZL-II-14
Category
Refractory Testing
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Product description

Product Description

The instrument measures thermal shock resistance and uses horizontally rotating specimen holders for loading and observation of end-surface fracture. It supports compressed-air and water-quench methods.

The instrument supports compressed-air and water-quench methods for refractories, ceramics, glass, other non-metallic materials, and graphite. A Siemens PLC provides automatic or manual control.

A 12-inch touch-screen industrial control computer displays data and sets process parameters. Protection functions include overtemperature, thermocouple-failure, and emergency-stop alarms.

Specifications

Technical Specifications

ParameterSpecification
Maximum furnace temperature1,400 °C
Temperature uniformity range±2 °C
Sample sizeBased on customer samples
Heating chamber dimensions300×200×220 mm
Sample capacity3 standard bricks
Compressed air pressure0.1 MPa
Compressed air nozzle size8×5 mm
Water bath temperature control range10–50 °C
Water bath temperature uniformity±2 °C
Temperature resolution0.1 °C
Water bath heating power≤6 kW
Cooling system power3 kW
Water pump power120 W
Spray pressure≥0.5 MPa
Cold-charge recovery time5 minutes
Cycle time setting0–120 minutes; cycle count 0–100
Power supply380 V, 50 Hz, three-phase, five-wire
Total power15 kW
Control systemSiemens PLC
Alarm and protectionOvertemperature, thermocouple fail, emergency stop
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