列管换热器？ 大家帮忙分析一下，这个 换热器 的面积是否过大，各出口温度刚好达到工艺要求，但要求的换热面积才51平方米，而在模拟中，将换热器的面积减小，结要计算不能收敛，这是何原因。 SHELL AND TUBE EXCHANGER DATA SHEET FOR EXCHANGER 'E1' I----------------------------------------------------------------------------I I EXCHANGER NAME UNIT ID E1 I I SIZE 700 - 6096 TYPE BEM HORIZONTAL CONNECTED 1 PARALLEL 1 SERIES I I AREA/UNIT 130.M2 ( 51.M2 REQUIRED) AREA/SHELL 130.M2 I I----------------------------------------------------------------------------I I PERFORMANCE OF ONE UNIT SHELL-SIDE TUBE-SIDE I I----------------------------------------------------------------------------I I FEED STREAM ID S3 S1 I I FEED STREAM NAME I I TOTAL FLUID KG/HR 7804. 120000. I I VAPOR (IN/OUT) KG/HR 7804. / / I I LIQUID KG/HR / 7804. 120000. / 120000. I I STEAM KG/HR / / I I WATER KG/HR / / I I NON CONDENSIBLE KG/HR I I TEMPERATURE (IN/OUT) DEG C 79.0 / 69.0 29.0 / 37.1 I I PRESSURE (IN/OUT) KG/CM2 1.05 / 0.93 4.00 / 3.49 I I----------------------------------------------------------------------------I I SP. GR., LIQ (4C / 4C H2O) / 0.882 1.000 / 1.000 I I VAP (4C / 4C AIR) 2.536 / / I I DENSITY, LIQUID KG/M3 / 821.716 993.556 / 990.561 I I VAPOR KG/M3 2.584 / / I I VISCOSITY, LIQUID CP / 0.377 0.837 / 0.710 I I VAPOR CP 0.009 / / I I THRML COND,LIQ KCAL/HR-M-C / 0.1080 0.5261 / 0.5351 I I VAP KCAL/HR-M-C 0.0143 / / I I SPEC.HEAT,LIQUID KCAL/KG-C / 0.5669 0.9987 / 0.9977 I I VAPOR KCAL/KG-C 0.3666 / / I I LATENT HEAT KCAL/KG 119.40 I I VELOCITY M/SEC 0.12 1.72 I I DP/SHELL KG/CM2 0.12 0.51 I I FOULING RESIST HR-M2-C/KCAL 0.00009 ( 0.00333 REQD) 0.00060 I I----------------------------------------------------------------------------I I TRANSFER RATE KCAL/HR-M2-C SERVICE 475.88 ( 187.25 REQD) CLEAN 818.39 I I HEAT EXCHANGED M*KCAL/HR 0.969 MTD(CORRECTED) 39.8 FT 0.992 I I----------------------------------------------------------------------------I I CONSTRUCTION OF ONE SHELL SHELL-SIDE TUBE-SIDE I I----------------------------------------------------------------------------I I DESIGN PRESSURE KG/CM2 21. 21. I I NUMBER OF PASSES 1 4 I I MATERIAL 304 S.S. 304 S.S. I I INLET NOZZLE ID MM 336.5 154.1 I I OUTLET NOZZLE ID MM 52.5 202.7 I I----------------------------------------------------------------------------I I TUBE: NUMBER 276 OD 25.000 MM THICK 3.000 MM LENGTH 6.1 M I I TYPE BARE PITCH 32.0 MM PATTERN 30 DEGREES I I SHELL: ID 700.00 MM SEALING STRIPS 0 PAIRS I I BAFFLE: CUT 0.200 SPACING (IN/CENT/OUT): MM 187.38/ 140.00/ 187.38,SINGLE I I RHO-V2: INLET NOZZLE 229.8 KG/M-SEC2 I I TOTAL WEIGHT/SHELL,KG 4385.1 FULL OF WATER 9848.3 BUNDLE 3467.0 I I----------------------------------------------------------------------------查看更多13个回答 . 2人已关注
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