Coal washing plant laboratory sets of instruments and equipment testing calorific value detector, sulfur tester, moisture tester, ash tester.
Re-selection equipment: heavy media separator, heavy media cyclone.
Flotation equipment: flotation machine, flotation column, flotation bed, pulp pre-processor.
Dewatering equipment include: centrifuge, pressurized filter, filter press, demeshing screen.
Others: magnetic separator, air dryer, air compressor, pump, arc sieve, belt, scraper, grading cyclone, TBS, disturbing bed, spiral separator, jigger.
Expanded Information
For coal, the main washing methods are gravity separation, flotation separation and special separation. The commonly used method is gravity separation, mainly based on the density difference between coal and gangue and realize the method of coal and gangue separation. Coal density is generally between 1.2-1.8, gangue density is generally more than 1.8, in the coal separator with the help of gravity to the different density of coal and gangue separation.
Gravity selection can be divided into jig selection, heavy media selection, chute selection, inclined chute selection and shaking table selection. The three most basic processes in the coal plant are the preparation of the pre-sorting operations (crushing, screening, grading), sorting operations, and post-sorting product processing operations. At the same time, heavy media coal beneficiation includes five major processes: coal flow, media flow, circulating water system, coal slurry water and clean water.