Method for measuring setting time of building gypsum
A technology of setting time and building gypsum, which is applied in measuring devices, material analysis using sound waves/ultrasonic waves/infrasonic waves, and fluid analysis using sound waves/ultrasonic waves/infrasonic waves. To achieve the effect of accurate and rapid determination of test results
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[0031] Example 1
[0032] 1) Weigh the water according to the standard consistency and pour the water into the mixing bowl. Weigh 300g desulfurized gypsum clinker sample (the desulfurized gypsum comes from Tieling Power Plant, and the clinker is calcined by Beixin Group Building Materials Co., Ltd. Tieling Branch), pour it into water within 5 seconds, and stir with a mixing rod for 30 seconds to obtain a uniform Slurry.
[0033] 2) Pour the slurry into the test barrel of an ultrasonic tester (produced by UltraTest GmbH, Germany, IP-8 ultrasonic measurement system), raise the test barrel by about 10mm, shake it up and down 5 times, scrape the overflowing slurry with a scraper, and make it The surface of the slurry is flush with the upper end of the test barrel.
[0034] 3) The ultrasonic transmitting probe and the receiving probe of the ultrasonic tester are respectively in contact with the slurry on the opposite sides of the test barrel, and the ultrasonic transmitter and receiver ...
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