1、Z !9王 臣,于 茜,陈教荃( “v, “Q276000)1oM 磷酸;多格方槽;工艺设计;应用K1 介绍山东红日集团磷酸装置设计中,在充分消化吸收国外同类型装置优点的基础上,对多格方形磷酸反应槽的几何尺寸、形式、防腐衬里结构和材料的改进;对反应槽搅拌桨关键设计参数的修改;对料浆轴流泵结构形式的改进。其结果:在工程建设中节省大量投资;在生产上已正常运行3年,并形成了自己的技术。建议开发和尽可能应用自己的技术,以改变我国磷复肥工业过分依赖进口的局面。ms | TQ 126.3+ 5DS M AcI| 1007 6220( 2001) 06 0028 04Design of phosphoric
2、 acid process using square reactor with multi lattice and its applicationWANG Chen, YU Qian, CHEN Jiao quan(Shandong H ongri Group , Linyi, Shandong 276000, China)Key words: phosphoric acid; square reactor with multi lattice; process design; applicationAbstract: On the basis of studying fully the ad
3、vantages of external similar plant, the design for geometry,size, anti corrosion structure and material of square reactor with multi lattice is improved, especially,key design parameter of agitating vane modified, structure and form of axial flow slurry pump alsoameliorated. All these improvements a
4、re used in the design of phosphoric acid plant in Shandong HongriGroup and a lot of investment saved in engineering construction. The plant has been operating normally for3 years. Through the design and operation, one own technology is formed. In order to change the status ofdepending excessively on
5、 import in phosphoric acid industry of China, developing and making the widestpossible use of own technology is suggested. “v M4P2O5= , 1997 M 2 !9, !9#y !1 Mgb3 M X |,C9 /b1 !91 p !91 p , 3? a iZ ,/ M20S NPK *, !9, 81 p:1c1生产能力200 000 t/ a18%P2O5= 36 000 t/ a P2O51c2磷矿的化学组成(nV1)V1F%w( P2O5) w( CaO)
6、 w( Fe2O3) w( Al2O3) w( MgO)27. 5 41. 9 1. 95 1. 80 2. 011c3磷酸浓度S NPK 31, |20% P2O5b l 2001 07 23Te( 1967 ) , 3, Q , =, “v9 b1c4磷酸工艺条件 M P 3 , :Q80j85Q HW6 hY | AMSO325j35 mg/LY | AMP2O5 ij20%1c5过滤机生产强度的确定X42 m2V r, ,MKv 3 ? 2. 2P2O5,| V r v_ q :(1)Vs,Z4 3 , ,ZM,N, V !9b(2)Vry s s, 8,+Y )F q k,4= :M
7、 1 900 mm, 65 r/min, 19 047 m3/hh:M 2 200 mm, 55 r/min, 25 050 m3/h8 +:_ !9 q“ :Z0. 38 kW/m3rh0. 285 kW/m3r2c5c2# SY | !9, 1 2 :B :88 r;1j ; a F ( Dj10 mm) T ,Slv ,g , ? 31pbj , F a ,8 s T/, F ? = , T , 0,5 P y i5b= :88 r;1 b ( )a+ b(R, 4)a(L, g)b b2 : F xY R b v -,N -, 1 ?10 M P 31 pb 2 1ZN VLZ 1 ,
8、 %= Z,= , 8Z:Zh8 r 1 ; ; aY R d2s( C 88)Y R d2s(C 88)p Cp C iiV H0V C H0,9Bg50b2c6对过滤机的要求及过滤机的设计与制造80 m2V rs s1 p7 !9/b( !9Z);4 /!9Hq:(1)9 80 m2c29c2001年第16卷第6期 王臣等 Z !9(2)316 L (S !9S317L)(3) w V rT,w0w F u! u,i,|c 8 Y | !“dBi!bn |S !9?S,4 !9S,h b(4)p 2| r!A b s ,iV r !9,“4H LC, (/ s,V r“ , 80 m2V
9、r ?b2c7刀形阀v “d 5 !9(D,L ,T_ H M“dbSv “d,D (VS,DN,7 O P PbyN,A %S5b D v x/,;2 D,u k P, bDe,“F4 H, 316 Lb?dN= 700 mmbN8(1998 M)b2c8冲洗滤布水的再利用 “v42 m2V r, ! r, 5 m3/h, !c? RV r“d,T F! bM4. 2P2O5 ,| b, ! r, !c F T F! , j15 m3/hb2c9料浆轴流泵 1 p, !94 ,T Q= 2 700 m3/h,4 mA, 525X 7?b6, ,. H u,4 ;, V,= , P ,!q,4
10、 b2yp9$525 , !9b33 M# “v /,/ f 9 /b3c1生产能力1991j1999 M “v 52+ 20+ 20= 50/ MS NPK 3 ? , M 9P2O5, 3a p,;Z F/bZ -9F21 Y |,| THq FMb/ M9P2O5, 50/ MS NPK pb3c2工艺流程(nm1)a ; #1 sYF 2Y|#Zb b !9, l“d !9,V r Vh V rb3c3工艺条件及运行结果3c3c1 #F(nV2)V2 #F%w (P2O5) w (CaO) w (Fe2O3) w( Al2O3) w(M gO) 2 32. 52 47. 66 1. 4
11、6 2. 84 0. 54L 7 32. 02 47. 95 2. 17 1. 46 1. 93 32. 50 49. 52 1. 12 0. 95 1. 703c3c2 7 q# (nV3)V3 7 q# Mz 7 q/ % P2O5/2000 80. 1 7. 702001. 1j6 90. 0 4. 903c3c3S(nV4)V4SMzP2O5 q/ % FP2O5! q/ % F rf/ mm2000 97. 3 98. 2j632001. 1j6 99. 2 98. 8 993c3c46S(nV5)V56SMz(30%P2O5)/( kgct- 1 ) ; ( 100%)/ (kgc
12、t- 1 )*/ (kWchct- 1 )2000 3 680 2 690 110. 02001. 1j6 3 610 2 650 109. 0:cFaY |aV rb3c4萃取槽及消化槽的运行情况Qv_8 f :Cj1c30c磷肥与复肥2001年第16卷第6期cmP; , F,;8 1 , ( b3c5搅拌桨 f # 1 nV6bV6 f # 1 !9/= q/(kWcm3r) q/ (kWcm3r) ZM 0. 38 0. 21 S M 0. 459 Z=M 0. 459v g S 0. 64LESM 0. 361 gM 1. 04: f :3 M,= h ; M= j250 mm,j30
13、0 mmb1 A,Z6rT( Xb 4, 9M , 8n, 4,y:(1) 8= ( ,s ,h ? ,7 O b(2) B ,_ ,b(3), u C , ,;h Q?V ,Y, A )b(4) 1 y, b(5) y, _ ,|b(6)|vv9F, M9F34(rMrT, q|1M 9F q30% ,Z4 ah1 9)b3c6过滤机V r1 #B, P“ w rT#rT Ab3c7水平衡15 m3/h ! r,V r, ,_ b3c8轴流泵#b= 1 M1Qb3c9刀形阀P, Pb P .,5 7 ZLb4yp(1)v 8S !9a a7X20 W90 M , VL !9?S,r q5 T
14、b(2) Xy !,g 8,6rmb !9? 4/ M, L= 9/ M , % g2 600,F /150, 9g3 000,1 gnvvh b(3)h lS !9,i,1-/ i | b 1989 M, g c !9,1997 M “vZh !9, (bu S/ gvauSg yv Yu S/ gv SE ,S = 7? S/ b 1 3/ #?Z ta/ L , g -T,iv ?NV , gZ_as L/ NVA!b 12 , MN117. 60b 0 MN360buS g yv , S = g, g f,wg mb B, MN680b0 MN1440b V 8# n?10H p, .
15、K X 8Bb“ g u 16|3020Q“010 8488203084882024.8488204784882048I100011www. chemchina. netE mailchem uKvSBil Tv 8,TZS S/ 2 Wv SReed buKv gaNaa8 a/ B8, a ap a a j# %, S =K g / ,# H.S= 5 ?# buKv 8iiSS=( www.intchem. net) S =,# H4v gN f,i4? p ,0 A &HbS =N10/,ZN5 /?|78 52, V mY i g2104Q( 400013) L( 023) 6350171463515804635027500Qchemicals c31c2001年第16卷第6期 王臣等 Z !9
