Rock resistance tester
I. Introduction to rock resistance tester
The rock resistance tester is a direct display of the number of revolutions and other parameters of the digital display, and is suitable for the fracture resistance test in various rock swelling tests. The equipment complies with JTG E41 "Plane Engineering Rock Test Regulations". It is equipped with a test device such as a plexiglass tank and a sieve cylinder.
Second, the rock resistance tester technical parameters
Cylindrical sieve cylinder length 100mm, diameter 140mm, mesh diameter 2mm
Can control the rotation speed of the cylindrical sieve cylinder to 20r/min
Power supply voltage: 220V 50HZ
Dimensions: 800x400x300mm
Third, the use of rock resistance tester:
The sample is placed in a cylindrical sieve cylinder of the disintegration tester, and dried to a constant amount at a temperature of 105 ° C to 110 ° C, and then cooled to room temperature in a desiccator to be weighed.
Place the cylindrical sieve cylinder containing the sample in the water tank, and inject clean water into the water tank so that the water level is about 20 mm below the rotating shaft. After the cylindrical sieve cylinder is rotated at 20 r/min for 10 min, the cylindrical sieve cylinder and the residual sample are dried to a constant amount at a temperature of 105 ° C to 110 ° C, and then cooled to room temperature in a desiccator and weighed.
Repeat the procedure in Section 2 to determine the quality of the cylindrical screen and residual specimen after the second cycle. 5 or more cycles of testing can be performed as needed.
During the test, the water temperature should be kept within the range of 20 °C ± 2 °C.
Weighing to the nearest 0.1g.
4. The rock resistance tester is completed and the surface of the instrument is cleaned for future use.
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