1、 l : 2010- 04- 15; : 2010- 04- 28Te: (1977- ), o,SK =b= u I王 蓉, 周士凯, 王文学, 曾 晶, 马 丹(SK , 710032)K 1: z V L rT, = u I11b = u % 5 I5,i zZ_ ( s4 AEb1oM:= u; I; Mms |: TF777 DS M : A cI|: 1001- 196X(2010)S1- 0239- 03Selection and arrangement of nozzles in secondary cooling zoneWANG Rong, ZHOU Sh-ika,i WA
2、NGWen-xue, ZENG Jing, MA Dan(ChinaNationalHeavyMachinery Research InstituteCo., Ltd., Xipan 710032, China)Abstract: Itis importantto selectandarrangenozzles in secondary cooling zone to reach fine quality and relia-ble cooling effect. Thispaper listed severalprinciples to layoutcooling nozzles, and
3、put forward opinion aboutuneven cooling along thewidth ofcastslab.Key words: secondary cooling zone; nozzles; width swith1 -u 1Fs, v % ?# b % 5 !9 = u V1 p,= s5 Z_V /vh , V s wL; ,m1 % m1 % ssb I nF/a ,B|= us l u, u Z_V /v9Fb e1, u VsB+ b L= 3 s 0,m2 % L= sbm2 % L= s2 = I1 I nBty (1) I Tb I % asa a ,y7#239#2010 ( S1) Y rTb “ - r._ V . k J. iv, 1988, (1).2 , , E. !99M., 1990.3 f . = u zZ_ ( J.M, 2006, 41(9).#241#2010 ( S1)
