第 5 章 跳汰选矿 5.1 概述 1 什么是跳汰选矿 跳汰选矿 ——...
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Transcript of 第 5 章 跳汰选矿 5.1 概述 1 什么是跳汰选矿 跳汰选矿 ——...
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5 5.1 1 2
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2-5-1
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3 T123
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50%60%
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5.2 1 Mayer,1947
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2-5-2 H/2E1
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E1 = h1+h2)(m1+m2 ) / 2 h1h2 m1m2 E2 =h2 m2 / 2 + (h2+h1 / 2)m1 E = E1 - E2 =(m2h1 - m1 h2 )/2 =h1h2A(22 - 11)/2
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hlhh/2AE
22 > 11
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5.2.2
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(1952) : l
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1) G0
2 vc R1
3F1
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4) Rg
j j = 0.5Rg Rg 5) Rj
2
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5.2.3
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1 v= r sin tt =0, vmin = 0 ; t =/2, 3/2v max= r = 0.15n r .2 a = dv/dt = 2rcos t3 h = 0t vdt = r (1 - cos t ) 4
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u= A1/A2 r sin t a = A1/A2 dv/dt = 2rcos t h = 0t vdt = A1/A2 r (1 - cos t ) Ud 7-4
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t 1 1 2 3
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4 t2 1 2 3
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4 t3 1 2 3
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t4 1 2 3
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3 (1)
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; (2) 2-5-6(a)
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(0513mm) (3) 2-5-6(b) 2-5-6(a) ;(a)
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(4) 2-5-6(c) ;
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(5)
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(6~10t); (2-5-6(d))
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:
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5.3 5.3.1 1 2-5-7
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21
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a . 2-3 b .
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c. 0.7-1.00.45-0.8
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2
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3 1
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2 7-14 --7-15
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3 7-16
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4 1 7-17
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2a) 7-18
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(b)
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3 3-4
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4 3 WT LTW LTG
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t 1 1 2 3
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4 t2 1 2 3
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4 t3 1 2 3
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t4 1 2 3
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3 (1)
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; (2) 2-5-6(a)
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(0513mm) (3) 2-5-6(b) 2-5-6(a) ;(a)
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(4) 2-5-6(c) ;
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(5)
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(6~10t); (2-5-6(d))
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:
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5.3 5.3.1 1 2-5-7
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21
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a . 2-3 b .
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c. 0.7-1.00.45-0.8
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2
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3 1
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2 7-14 --7-15
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3 7-16
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4 1 7-17
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2a) 7-18
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(b)
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3 3-4
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4 3 WT LTW LTG
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2 WT LTW LTG
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5064LTX7LTX-681012141635
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b) (c) (h) 100-150mm h =200-300mm.
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123412
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3
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5.4 1
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2 HdmaxH=(5-10)dmax H=(10-20)dmax -50mm400-500mm3
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4
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70-80%20-30% 0-50mm 2-3.5m3 /T 4-5.5m3/T