Air impulsive motion dense medium fluidized bed and sorting method thereof
A technology of air pulsation and air dense medium, applied in chemical instruments and methods, separating solids from solids with airflow, solid separation, etc., can solve the problems that affect the promotion and use of technology, the difficulty of sieve plate processing, and the problem of fluidized bed Interference and other problems, to achieve the effect of strong operability, stable fluidized bed, reducing or suppressing the generation of air bubbles
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[0027] The air pulsating dense-medium fluidized bed of the present invention and its sorting method are further described below in conjunction with common air dense-medium fluidized bed and its sorting method:
[0028] The air pulsating dense-medium fluidized bed and its sorting method of the present invention comprise the existing air-dense dense-medium fluidized bed and its sorting method, and are characterized in that the updraft of fluidization of the dense-medium bed is maintained at a periodic rate according to a certain rule. Alternating non-constant airflow.
[0029] The present invention mixes the solid-phase aggravated matter of fine particles into the non-constant ascending vertical airflow that changes alternately according to a certain regular period to form a gas-solid fluidized bed fluctuating within a certain density range, and the separated minerals composed of different densities After entering the fluidized bed layer, the light ones float up, and the heavy o...
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