1、null 38 2 2 0 1 0 M 6 RareMetals and Cemented Carbides Vol.38null null .2Jun. null 2 0 1 03 A null 23 # ! !崔佳娜,谌启明( 8 ! 9 , 2 410011)null null K null 1 : e 1 A null 2 # ! ! ,s a A a 2 Y 1 y ,i 1 / 6 S S N bnull null 1 o M : ; A null 2 ; ; 3 ; Y y ;/ 6 Snull null m s | : TF 123. 11null null null D S
2、M :Bnull null null c I | : 1004null0536( 2010) 02null0057null05Brief Introduction to Wet Millingnullspray Drying GranulationProcess for the Cemented Carbide MixtureCUI Jianullna,CHEN Qinullming(Changsha Engineering and Research Institute of Nonferrous Metallurgy,Changsha 410011, China)Abstract: Brie
3、f introduction is made to the wet millingnullspray drying granulation technology and equipmentwith analysis made of the main factors affecting the mixture quality in the blending,wet milling,spray drnullying granulation operations. The main technonulleconomicindices are evaluated.Keywords: cemented
4、carbide mixture; wet millingnullspray drying; granulation;process; influence factor; technullnonulleconomic index1null 前null 言 $ C / , e ( c a # a e 59 null null null null null null null null 38 m 4 null 2 2 “ d U i 1# # # ;2# # # 8 ;3# # # s ;4# # # ;5# # # % ! ;6# # ;7# # # null V 1null D 2 1 / nu
5、ll null “ | ! ! HC# 120 HC# 160 HC# 300 / % 20 20 20 % 8 c /% 75 75 75 K v /MPa 0.3 0.3 0.3 , /MPa 1.2 1.2 1.2 K /MPa 0.4 0.4 0.4K /MPa 0.9 0.9 0.9K / % 17 17 17N V b K /MPa 5 5 5K /MPa 7 7 7 / % 180 180 180 / % 95 95 95K v = A /% 0.2 0.2 0.2 ( /nullm 100 120 100 120 100 120 )d , O L l q l q s Y V r
6、 97% 99.6% , ! ! 3 , s 99 97.5 T , P L l q 4 1 s , Hx b i 80 mg/m3 50 mg/m3 / , S E S ? K 120 mg/m3 = s B b T P A l q 4 | 20 s ,r 80% b l q A l q 4 ,v l SS COD , P S E S ? K 70mg/L(SS ) 100 mg/L(COD )bA null 2 v 3 T ,7 O v h Y b4null 结null 论A null 2 3 ,1 , T z , . 1 Q M . Z : Z S / ,1982.12.9 o , Y ; , . E # J. 2 8 ,2003,32( 5) :10null13.10 I . as $ # M. : 2 v ,1997.61