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ÖйúʯÓÍ´óѧ£¨»ª¶«£©»¯¹¤Ô­Àí¿Î³ÌÉè¼Æ

Qc8.05*106Gc???1.93*105kg/hr

Cp,H2O*?T4.18*10µ±T=160¡æÊ±

¦ÃB=2081.97kJ/hr ËùÒÔ

7.10*106GB??3.41*103kg/hr

2081.97ÀäÄýÆ÷ÈȸººÉQc Ëþ¶¥²úÆ·´ø³öÈÈÁ¿QD ½øÁÏ´øÈëµÄÈÈÁ¿QF Ëþµ×´ø³öµÄÈÈÁ¿QW ɢʧÖÜΧµÄÈÈÁ¿Q1 ÔÙ·ÐÆ÷ÈȸººÉQB ÀäÈ´Ë®ÓÃÁ¿Gc ¼ÓÈÈÕôÆûÓÃÁ¿GB£¨160¡æ£© ±í4-6 ÈÈÁ¿ºâËã±í 8.05x10^6kJ/h 4.34x10^6kJ/h 6.99x10^6kJ/h 1.34x10^6kJ/h 3.55x10^5kJ/h 7.10x10^6kJ/h 1.93x10^5kg/h 3.41x10^3kg/h

5 Ëþ°åÉè¼Æ

5.1 Ëþ¾¶µÄÉè¼Æ

±í 5-1 ¸÷×é·ÖÆøÒºÏàÃÜ¶È µ¥Î»£ºkg/m3 ×é·Ö Ëþ¶¥£¨85.1¡æ£© ÒºÏà ÆøÏà Ëþµ×£¨132.35¡æ£© ÒºÏà

ÏîÄ¿ Ëþ¶¥£¨85.1¡æ£© ±í5-2 ¸÷×é·ÖµÄ±íÃæÕÅÁ¦ A B 0.0205 0.0210 µ¥Î»£ºN/m C ƽ¾ùÖµ 0.0220 753.6944 756.7896 764.0679 761.0325 809.5619 3.0240 806.4653 3.5671 809.9823 4.1101 809.5380 3.8803 Ïà̬ ÆøÏà A 3.0557 B 3.6044 C 4.1532 »ìºÏÃÜ¶È 3.0600 21

ÖйúʯÓÍ´óѧ£¨»ª¶«£©»¯¹¤Ô­Àí¿Î³ÌÉè¼Æ

½øÁÏ£¨104.4¡æ£© Ëþµ×£¨132.35¡æ£© 0.0148 0.0181 0.0159 0.0189 0.0170 0.0199 5.1.1 ¼ÆË㾫Áó¶ÎËþ¾¶ Simith·¨

¾«Áó¶ÎÒÔµÚÒ»¿é°åΪÀý ÓÉËþ¶¥¸÷×é·ÖÖÊÁ¿Å¨¶È¿ÉµÃ ÒºÏàÃܶÈ

?L?1?809.5380kg/m3

XCDXADXBD??809.5619806.4653809.9823ÆøÏàÃܶÈ

?V???ixi?3.0600m3

ÒºÏàÆ½¾ùÏà¶Ô·Ö×ÓÖÊÁ¿

MD??MixiD?78.11g/mol?0.07811kg/mol ÆøÒºÏàÆ½¾ùÃܶȲî

????L??V?806.48kg/m3 ±íÃæÕÅÁ¦??0.0205N/m L1?RD?1.6408*105mol/hr L11?L1*MD?1.2816*104kg/hr L12?L11/?L?15.8317m3/hr V1?(R?1)D?2.4841*105mol/hr V11?V1*MD?1.9403*104kg/hr V12?V11/?V?6340.9719m3/hr (L12/V12)*(?L/?V)?0.04061 1.ÉèËþ°å¼ä¾àΪ

22

ÖйúʯÓÍ´óѧ£¨»ª¶«£©»¯¹¤Ô­Àí¿Î³ÌÉè¼Æ

HT := 600mm = 0.6m °åÉÏÒº²ã¸ß¶ÈΪ hL := 70mm = 0.07m Ôò HT - hL = 0.53m

ÓÉSmithÆøÏฺºÉÒòÊý¹ØÏµÍ¼¿ÉµÃ C20 := 0.121

??0.0205N/m

?0.2)?0.121m6/s C?C20(0.02?L??Vumax?C?1.9741m/s?V u?0.7umax?1.3819m/sÖ±¾¶D?4V12?1.2739m?u

2.È¡µÚ¶þ×é°å¼ä¾à450mm

HT := 450mm = 0.45m °åÉÏÒº²ã¸ß¶ÈΪ hL := 70mm = 0.07m Ôò HT - hL = 0.38m

ÓÉSmithÆøÏฺºÉÒòÊý¹ØÏµÍ¼¿ÉµÃC20?0.085 ??0.0205N/m

???C?C20????0.02?

0.2?0.0854umax?C?L??V?1.3864m/s ?V4V12?1.5201m?uu?0.7umax?0.9705m/sÖ±¾¶D?3.È¡µÚÈý×é°å¼ä¾à500mm

HT := 500mm = 0.5m °åÉÏÒº²ã¸ß¶ÈΪ hL := 70mm = 0.07m

23

ÖйúʯÓÍ´óѧ£¨»ª¶«£©»¯¹¤Ô­Àí¿Î³ÌÉè¼Æ

Ôò HT - hL = 0.43m

ÓÉSmithÆøÏฺºÉÒòÊý¹ØÏµÍ¼¿ÉµÃ C20 := 0.10

??0.0205N/m ???C?C20????0.02?

0.2?0.1005umax?C?L??V?1.6316m/s ?V4V12?1.4013m?u±í 5-3 simith·¨Êý¾Ý±í D DÔ²Õû m 1.5201 1.4013 1.2731 m 1.6 1.6 1.4 u?0.7umax?1.1421m/sÖ±¾¶D? Simith·¨ 1 2 3 HT m 0.45 0.5 0.6 HTD2 m3 1.152 1.280 1.176 ²¨½ò·¨

1.È¡µÚÒ»×é°å¼ä¾à600mm

?L12??L11?2??V???12??V1³£Ñ¹ËþÈ¡ K?0.82,KS?0.95,umax?0.055gHT?2.0025m/s

u?0.9*K*KS*umax?1.4040m/sD?4V12?1.2423m?u2.È¡µÚ¶þ×é°å¼ä¾à450mm

24

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