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1、 Abstract 1 2 1.1 2 1.2 2 1.3 3 4 2.1 4 2.2 5 6 3.1 6 3.2 7 3.3 7 3.4 8 3.5 8 3.6 8 9 13 5.1 13 5.2 13 5.3 14 5.4 14 15 16 References17 18 I xxxxxxxx xx

2、xx IICoal slime rotary dryer DD The structural design of roller and accessories Abstract: Coal slime rotary drye

3、r is widely used in building materials, metallurgy, chemical industry, cement industry drying slag limestone, coal, slag, clay and other materials It mainly consists of rotary body, lifting plate, gear, support equipment and seals and other components It has reasonable structu

4、re, well-made, high output, low energy consumption and easy operation It is during the dry, hot air or hot flue gas to heat to the material, so that water evaporation, while relying on the role of ventilation, so that the drying medium drying equipment constantly updated to exclude m

5、oisture As Chinas growing rate of drying operations, in order to meet market demand, need to further improve the technical level of the dryer, in the digestion and absorption of foreign technology, based on the updated design of the dryer Keywords: coal slime rotary dr

6、yer drying technical 1. 2. 1

7、 1.1 1.2 1.3 20% ~30% 25% ~28% 12% 3

8、 4 2 2.1. 2-1 2-1

9、 m ?1.814 Y200L1-6 kM 18.5 r/min 970 r/min 3 12~17 % 27 3 % 8 kcal/kg 5500 420 10 2.2. (m) (t/h)

10、 (%) (%) (KW) (kca l/kg) () 1.5 x14 10-15 273 8 15 5500 42010 1.8 x14 15-20 273 8 18.5 5500 42010 2.0 x20 20-25 273 8 18.5 5500 42010 2.2 x20 25-30 273 8 22 5500 42010 2.4 x20 30-35 273 8 30 5500 42010 2.6 x22 35-40 27

11、3 8 30 5500 42010 3.0 x24 45-50 273 8 37 5500 42010 3.2 x26 50-55 273 8 45 5500 42010 5 ,, 6 3 33 3. 3.1. 3.13

12、.1 3.1 ,,,, , , 2 4 min7.0710sR KC ?=+ 3-3-1 R0.9 m s225 MPa CC=3 mm K K=1 07 .7min=410?1 225 90023 + =5.5452 mm min= 10 mm 12 , )6.0~56.0(Llm= 8800=ml 7 3.2 3.23.2 3.2.

13、,,,, , ,, ,,,, ,, ,,, ,, , ,, ,,, , 2rDD H ? = 3-2-1 H rD2380 mm D 1800 mm10 mm D=1800+210=1820 mm H= (2380-1820)/2 = 280 L 3.3. 3.33.3 3.4. 3.5. 3.43.4 3.6.

14、 , , ,,,, 3 r/min 8 3.7. 3.53.5 3.8. 3.9. 3.63.6 3.10. 34 9 4

15、 4 44 4- -- - 1 11 1 4 44 4- -- - 2 22 2 4 44 4- -- - 1 11 1 I<=7.1 I<=6.3

16、 I<=5.6 I=7.1~50 I=7.1~1.5 (I=6.3~0) I=7.1~50 I=7.1~50 I=7.1~31.5 I=7.1~50

17、 I=28~315 I=28~180 I=22.5~100 I=28~315 10 I<=5 I<8~40 (I<=5) I=6.3~31.5 I<=8~40 (I=5~16) I=35.5~160 ( I=18~100 i=8~80 v<5m/s 4 44 4 2 22 2