粉砕工程の可視化と制御に ... - makino-co.co.jp

1 H+NMR KAMITANI Masataka,1)2) KONDO Mitsunori1), SHIMA Kazuya1), BAN Naomi1), NAKAHIRA Atsushi2) 1) Phone0569-36-0121 Fax0569-35-0130 2) ( ) H+NMR DEM 1) = { ( )}

2 } = a = D= d= E=bDm b= m= a,b,n,m Rittinger =W =W c E =cE=c bDm ( ) W BET N2 H H+ H+ NMR NMR NMR Rav= ( )+Rb ( ) Rav: p: S: L: p: Rs: Rb: T spin-spin T2 NMR NMR Pulse NMR apparatus.

3 Acorn flow: Xigo nanotool N2-BET BET surface area change on glass wet milling in former test . BET 3 9 stage1 9-16 stage2 stage3 stage stage2 stage3 N2 BET ICP NMR spin-spin SEM test1-3 DEM E=12 = 2 m: v 0246810120102030 Milling time (hr)BETvalue(m2/g) (-) (J) Normal total Tangent Impact Energy (J) Frequency specific surface (m2/g)Milling time (hr) surface (m2/g)Milling time (hr) Milling test plan 300cps test1 Impact Energy consumption by DEM at mill rotation 65rpm,ball occupation 20vol% test1-3 BET BET surface area changes for milling time on test1-3, test1 test2 test3 test1-3 stage2 NMR test BET stage NMR supecific surface changes on test1-3,calculated by (Ka= )

4 Test1 test2 test3,line ,dash ,point line stage 9hr t est 1t est 2t est 3t est 4t est 5t est 6st age1656565656565st age2654525654525st age3654525654525 Dim ension(m m )Internal volum eLiningm aterialweight (kg)diam eter (m m )powder (kg)water (kg)water ratiowater height (m m )Rot at 210 LAlum inaCompoundGlassAlum ina32 30 Series-16-14-12-10-8-6-4-20010203040 potential (mV)Milling time (hr)0510152025010203040 Conc. of Si (mg/L)Milling time (hr)0510152025010203040 Conc. of Al (mg/L)Milling time (hr)0123456720406080100 Contact frequency (x104)Rotation (rpm)stage stage2 potential changes of test1-3 measured by ultra sonic attenuation method. test1 test2 test3 20hr test1-3 BET stage2 test stage1 stage2 SEM SEM images of test1 samples for 2hr(left) and 16hr(right), magnitude 2000 stage2 ICP C C= Vbp ( ) D: vb: Vbp f(x) ( ) ICP analysis of millng slurry in test1-3 for Si and Al ion concentration.

5 Test1 test2 test3 2) DEM stage2 DEM DEM simulation output of contacs frequency 0204060801001201401601802000500100015002 000 Relaxation time (ms)Intensity1hr2hr4hr6hr12hr24hr8hr H+NMR profiles on glass milling that former test I= exp(- ) H H+ H+NMR H+NMR H+NMR 1) and , 35, 87-97 (1957) 2) 98 10 1082 87 (1990) 3) , , , , ,B2008,112,3328-3332 (2008) 4) 50 pp6-7 (2015) 5) 41-53 (1999) 6) , Macromolecules,2001,34,538-543