FIELD: oil refining industry.
SUBSTANCE: used for the preparation of clay powder. A method for producing clay powder and sand from saponite sludge, including saponite sludge, which is a mixture of liquid and solid phases containing saponite clay and sand, which is fed to a hydrocyclone battery, where the clay base and sand are separated, then the clay base enters the filter press, the filtration process is maintained in the range from 2.5 to 3 atm for 1 hour, to obtain partially dehydrated clay and water, the water after the filter press is fed to the sand washer to wash the sand from the residual clay content, the sand after the sand washer is fed to the belt conveyor with automatic temperature control not less than 120°C, drying time from 10 to 30 minutes and then to the packaging machine for big-bag packaging, and partially dehydrated clay is fed to a belt conveyor with automatic temperature control from 120 to 130°C, drying time 40 minutes, and then on the fine grinding rollers, the grinding of the dehydrated clay is carried out to a fraction of 100 to 200 mm, then the ground clay is fed to the packaging plant for big bag packaging.
EFFECT: obtaining clay powder and quartz sand from saponite sludge of diamond mining.
1 cl, 4 dwg, 15 ex
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Authors
Dates
2023-09-01—Published
2023-01-26—Filed