Separation and Recovery of Fine Particles from Waste Circuit Boards Using an Inflatable Tapered Diameter Separation Bed

Figure 1

(a) ITDSB schematic. (b) Enlarged view of area A. (c) Enlarged view of area B. (d) Schematic of the hydraulic distributor. Note. 1—Elbow pipe, 2—straight pipe, 3—flat flange, 4—stiffener board, 5—front-end of TDSB, 6—hydraulic distributor, 7—feeding inlet, 8—back-end of TDSB, 9—bearing ring, 10—discharge port, 11—concentration tank, 12—circulating water tank, 13—circulating water pump, 14—the middle brace of the ITDSB back end, 15—bilateral brace, 16—straight pipe brace, 17—bellows block, 18—bellows, 19—air blower, 20—middle brace, 21—bilateral brace, 22—straight pipe brace, 23—convex flange, 24—filter cloth, 25—bolt, 26—concave flange, 27—valve, 28—flow meter, 29—fluid pipeline, and m—air-water interface.

(a)

(b)

(c)

(d)