1、总第 187期2011年第 7期 HEBEI METALLURGYTotal1872011, Num ber7l : 2011- 05- 05Te:uS(1973- ), 3, =, 2000 M8v ? ,C8Z/ K U !9, E- mai:l kfdem 163. com“59 ZE)赵运廷(8Z/ K U !9, U066004)K1:“59 |ZE 1 s, B a aa6 |Sb1oM:“5;9 ;ZE;)ms |:X701. 2 DS M :BcI|: 1006- 5008(2011)07- 0026- 02DISCUSSION ABOUT CALCULATING METHOD
2、 FORACCUMULATED DUST LOAD IN DUST- COLLECTING PIPEZhaoYunting(Q inhuangdao Research and Design Institute, Zhongye Eastern Engineering Technique Co., Ltd., Qin-huangdao, Hebe,i 066004)Abstrac:t It iscompared andanalyzed the calculatingmethodsfor accumulated dustload in variousdust- co-llecting pipes,
3、 a reasonable, suitable and economic value regionoffered.KeyWords: dust- collecting pipe; accumulateddus;t load; calculate; method; discussion1 M“ !9,“59 Es1bvlY 5O#a9 ,ryga # Es1b“59 v Pryg9Fa6; l,Vi b“ !B L=5V!9, V ? rO, . r a,/ Y#b2 C“59 ZE#s2. 1 “5ZE M pY !9 m,c,8 V5 1/3 I n,ZEv M !9 b M“/ ?S,“5
4、R5 =51/8(dT x)1/5( T x) , l5 5% bZE E,ZL nv !9 /5 5% 0Sb2. 2 ZEsm1 U,“5h, zS= 2# R2- (R-h)2 A= h6S# (3h2+ 4S2)m1 “5 mFig. 1 SectionV iew ofDust- Collecting Pipe(1) |h= 13D= 23R H, zS = 2# R2- (R-h)2= 2# R2- R- 23R2= 4 23 R26河北冶金 2011年第 7期 A= h6S# (3h2+ 4S2)=23R6 4 23 R3 23R2+ 4 4 23 R2= 3527 2R2 ( )
5、5 s1:5 = AA9100% =3527 2R2PR2 100%= 3527 2P100% U 29. 18%(2) |h= 14D = 12R H, zS = 2# R2- (R-h)2= 2# R2- R- 12R2= 3R A= h6S# (3h2+ 4S2)=12R6 3R 3 12R2+ 4 ( 3R)2= 5148 3R2 ( )5 s1:5 = AA9100% =5148 3R2PR2 100%= 5148 3P100% U 19. 53%(3) |h= 15D = 25R H, zS = 2# R2- (R-h)2= 2# R2- R- 25R2= 85R A= h6S#
6、(3h2+ 4S2)=25R6 85R3 25R2+ 4 85R2= 67150R2 ( )5 s1:5 = AA9100% =67150R2PR2 100%= 67150P100% U 14. 22%(4) |h= 18D= 14R H, zS = 2# R2- (R-h)2= 2# R2- R- 14R2= 72R A= h6S# (3h2+ 4S2)=14R6 72R3 14R2+ 4 72R2= 115192 7R2 ( )5 s1:5 = AA9100% =115192 7R2PR2 100%= 115192P100% U 7. 21%(5) l5 5% !9b2. 3 s1 L=9
7、 H, s 1 ZL9 ,9v !9 bV1,1a3a4a5, V !9 m/ ?S |, Ib2 1, + 17bV1 “5 1 Tab. 1 Comparison ofDust- Accumulating Area betweenDust- Collecting PipewithD ifferentDust- Accumulating HeightI| 9s !1 D /3 29. 188 |2 D /4 19. 533 D /5 14. 22( T x)?S?Kl4 D /8 7. 21(d T x)?S?Kl5 5?S?Kl(/42:)27总第 187期 HEBEIYEJIN(2) ?
8、 =Al2O3c ,9F ? =QAl2O3C, ?M+ q;| ? 1 075e ,* e0. 14 Pa# s, P ? * ?, ? ? , | zrTb(3) H4 ? , 1 H, ? ? TW rT,yN$ 4 ? , 0. 6 kg/t40. 7kg/;t ?rT MT?, M0. 1m/min, T; 3V11+Yi ? T 1“b5. 2 3VMvCT PY,9F ,| 0. 92%0. 98%,i QW , z e, 3V 53; C,A,Q ( , L H S e“d, f # H,h 3T Pb5. 3 F T T 4T P1Y,yNF TS ,?SS Tb| A o
9、e? 3mm, T g, P g =a ; 3 f /,85 A ,h ?HQ , L? T, A?,1 px? e20mm; H, 6 y, V 8b HW, C ; e 8b, b e5 10 L/min,h A o; ?T “ V 9F7 6, H “ V 6 ? Z# M,yN? 6 V? TBQ, T g1# H ?b6 aa M a ?, ?*a aA?aa ?,P ? 3M a;S T,h Ty T P; _a f H HS e,M TW. ,9F Tb ID1B U.C a/ eM .:S, 2004.2 . T P ?1“ J. , 1996,( 2): 7 10.3 S 9
10、i. M .:8, 1994.( 27:)V11 /8 0 |, 5M pY !9 m6I1993 Mb | oa v,X aC !91 pb “-, !9X B !9,7 _9bHq/, !9A1 p, ?Yb !9byN,“59 A4a aa |b3a4a5 5M“/ ?S6HJ435) 2008( ) |,H 1 p/0a/l0,v1 p3a4|5 | M byN, !9 1 p,B3a41 p |b |( |/K, L=9 | (v,7?Si B | Kr|Sb/ |BaYv,7 O (?S1 p,6 Mvb aC !9Hq !91 p,|1/45,N H5 5 19. 53%,29. 18%14. 22%W,; 5M“/ ?S61p,/ V nb3 s1 , “ - !961 p,yp L=“59 H, |S5 15% 20%bD 1 500mm/“5L b “5, V KS = |;vD 1 500mm“5, /KS = |b L= |B18 I n,; ? 1 p,1I n6a a5b42
