
Standard: ISO 5074
Model: MJ-HGI
The Hardgrove grindability tester is a specialized instrument for determine the grindability of bituminous coal and anthracite. The higher Hardgrove grindability index means easier grinding, thus providing a basis for the design and operation of coal mills.
The Hardgrove grindability index tester is designed according to the principles and methods specified in ISO 5074. Built-in linear regression correction curve program, realized automatic calculation for calibration.
Features
◎ Hardgrove grindability index tester is a testing instrument designed according to the principles and methods specified in GB/T2565-2014.
◎ The instrument shall be equipped with a built-in linear regression correction curve program, and the calibration operation shall realize the automatic calculation of the Hardgrove grindability index tester.
◎ Intelligent control of the instrument, real-time display of working status and progress. Desktop structure, simple and novel appearance, simple operation.
◎ The grinding bowl automatically lifts, loads and counts the number of revolutions.
◎ With data query function and printer, it can automatically calculate and print experimental results.
Specifications
| Spindle speed (r/min) | 20 ± 0.5 |
| Limit working revolutions | 60 ± 1/4rpm |
| Load force (N) | 284 ± 2 |
| Total power (W) | 155 |
| Working power supply | 220V 50HZ |
| Weight (kg) | 120 |
