ʯÓÍ´óѧ»¯¹¤¹¤ÒÕÓëÉ豸¿Î³ÌÉè¼Æ

V??V?(q?1)F?725.0821?(0.68?1)?329.6817?619.5839kmol/h L??L?qF?532.8450?0.68?329.6817?757.0585kmol/h

VS??LS??V?MVW3600??VW?619.5839?57.9076?0.3025m3/s

3600?32.9487L?MLW757.0585?57.9076??0.0271m3/s

3600??LW3600?449.17373¡¢Smith·¨

VSLS???(?LW0.50.0271449.17370.5)??()?0.3308 ?VW0.302532.9487ÒòΪÊdz£Ñ¹Ëþ£¬È¡°åÉÏÒº²ã¸ß¶ÈΪ£ºhl?70mm È¡°å¼ä¾àHT?500/600/800mm

²é¡¶»¯¹¤Ô­Àí¿Î³ÌÉè¼Æ¡·[1]ͼ2-7¿ÉµÃ¶ÔÓ¦°å¼ä¾àϵÄC20Ϊ£ºC20?0.075/0.08/0.1 ÆøÏฺºÉÒòÊýC£¬C?C20(C=0.0520/0.0555/0.0693 ×î´óÈÝÐíÆøËÙΪ£º

?0.02)0.2£¬ÔÚ¶ÔÓ¦µÄC20Ï¿ÉÒÔÇóµÃÏàÓ¦µÄCΪ£º

umax?C??l??v ?vÔÚ¶ÔÓ¦µÄCÏ£¬ÇóµÃÏàÓ¦µÄ×î´óÆøËÙÏàӦΪumax?0.1848/0.1973/0.2463m/s ʵ¼ÊÑ¡ÓõĿÕËþÆøËÙuӦΪ£ºu?(0.6~0.8)?umax?0.7umax ÔÚ¶ÔÓ¦µÄumaxÏÂÇóµÃÏàÓ¦µÄ¿ÕËþÆøËÙΪ£ºu=0.1294/0.1381/0.1724m/s Ëþ¾¶Îª£º

D?4?VS ??uÔÚ¶ÔÓ¦µÄ¿ÕËþÆøËÙÏÂÇóµÃÏàÓ¦µÄËþ¾¶Îª£ºD=1.7252/1.6700/1.4947m

19

4¡¢²¨ÂÉ·¨

×î´óÔÊÐíÆøËÙΪ£º

umax?0.055g?HT1?2?LS?l?VS?v??l??v ?vÇóµÃÔÚÏàÓ¦µÄ°å¼ä¾àϵÄ×î´óÔÊÐíÆøËÙΪ£ºumax?0.2604/0.2853/0.3294m/s ÊÊÒ˵ÄÆøËÙÁ÷ͨ½ØÃæÉϵÄÆøËÙ£ºun?K?KS?umax µ±Ëþ¾¶D>900mm»òHT>500mm»ò³£Ñ¹¡¢¼ÓѹËþ£ºK=0.82 ¸ù¾Ý±í2-4£¬È¡ÏµÍ³ÒòÊýKS?0.99¡£ ÊÊÒ˵ĿÕËþÆøËÙ£ºu?0.9un

ÔÚÏàÓ¦µÄ×î´óÔÊÐíÆøËÙÏ£¬ÇóµÃµÄÊÊÒË¿ÕËþÆøËÙΪ£ºu=0.1903/0.2084/0.2407m/s

D?4?VS ??uÔÚÏàÓ¦µÄÊÊÒË¿ÕËþÆøËÙÏ£¬ÇóµÃËþ¾¶Îª£º1.4227/1.3595/1.2650m

½«Smith·¨ºÍ²¨ÂÉ·¨½øÐбȽϣ¬È¡Ëþ¾¶½Ï´óµÄÊýÖµ£¬ÒÔHTD2µÄ´óС×÷Ϊ·ÑÓõĴú±íÊý¾Ý,ÕÒ³ö×îСHTD2Öµ¶ÔÓ¦µÄËþ°å¼ä¾àºÍËþ¾¶¡£½«ÉÏÊöµÄÊý¾Ý»ã³É±í¸ñ£¬ÈçÏÂËùʾ£º

±í5-2ÌáÁó¶ÎËþ¾¶¼ÆËã

Smith 0.50 1.7252 1.4882 0.60 1.6700 1.6733 0.80 1.4047 1.7873 0.50 1.4227 1.0120 ²¨ÂÉ·¨ 0.60 1.3595 1.1089 0.80 1.2650 1.2802 HT(m) D(m) HTD2 ¸ù¾ÝÊý¾Ý±í£¬Ñ¡³ö°å¼ä¾àΪHT?0.5m£¬Ëþ¾¶Ñ¡ÔñD=1.8m¡£

20

5.2Ëþ°å

5.2.1ÒçÁ÷×°ÖõÄÉè¼Æ¼ÆËã

1¡¢°åÉÏÒºÁ÷ÐÎʽµÄ¾ö¶¨

¾«Áó¶ÎºÍÌáÁó¶ÎµÄÒºÏฺºÉ·Ö±ðΪ£º LS?0.0143m3/sLS?0.0271m3/s£¬Ëþ¾¶³õѡΪ1400mm£¬¸ù¾Ý¡¶»¯¹¤Ô­Àí¿Î³ÌÉè¼Æ¡·[1]±í2-5£¬Ñ¡Ôñµ¥Á÷ÐÍ¡£

2¡¢ÒçÁ÷Ñß

µ¥Á÷ʽËþ°åµÄÑß³¤Ò»°ãΪËþ¾¶µÄ60%~80%£¬Ëþ¾¶Îª1800mm£¬ËùÒÔÑ¡ÔñÑß³¤Îª£º

?lw?70%D?0.7?1.8?1.26m

¶Ô³£Ñ¹¼°¼ÓѹËþ£¬Ò»°ãÈ¡Ñ߸ßΪ40~60mm£¬ËùÒÔhw?40mm¡£ ¶ÔÓÚÒçÁ÷ÑßµÄÐÍʽ£¬ÏÈȡΪƽ¿ÚÑß¡£

how2.84Lh3?E() 1000lw2¶ÔÓÚ¾«Áó¶ÎLh?0.0143?3600?51.48m3/h£¬¶ÔÓÚÌáÁó¶Î

?Lh?0.0271?3600?97.56m3/h¡£

È¡E=1¡£

½«ÉÏÊöÊý¾Ý´úÈëhow£¬ÔòÑßÉÏÒº²ã¸ß¶ÈÔÚ¾«Áó¶ÎΪ0.0398m£¬ÔÚÌáÁó¶ÎΪ0.0516m¡£

hl?hw?how£¬ËùÒÔ¼ÙÉè»ù±¾Ò»Ö¡£

3¡¢½µÒº¹ÜÃæ»ýAd¼°¿í¶ÈWdµÄ¾ö¶¨

Ò»°ãÇé¿ö϶¼ÊÇÓù­ÐνµÒº¹Ü£¬¸ù¾Ýlw/D£¬Í¨¹ý²é¡¶»¯¹¤Ô­Àí¿Î³ÌÉè¼Æ¡·[1]¸½±í7¿ÉµÃ

Wd/D?0.143£¬Ad/AT?0.0878¡£

ËùÒÔWd?D?0.143?1.8?0.143?0.2574m£¬

Ad?AT?0.0878?0.92???0.0878?0.2234m2

4¡¢ÊÜÒºÅÌ

21

ÓÉÓÚËþ¾¶½Ï´ó£¬ÎïÁ÷ÎÞÐü¸¡¹ÌÌ壬Ҳ²»Ò׾ۺϣ¬¹ÊÊÜÒºÅ̲ÉÓð¼ÐÎÊÜÒºÅÌ£¬ÅÌÉîÈ¡50mm£¬²¢ÇÒ¿ªÁ½¸ö?10µÄÀá¿×¡£

ͼ5-1°¼ÐÍÊÜÒºÅÌʽËþ°å½á¹ûʾÒâͼ

5¡¢½ø¿ÚÑß

°¼ÐÎÊÜÒºÅ̲»±ØÉè½ø¿ÚÑß¡£ 6¡¢½µÒº¹Üµ×϶¸ßhP

¶ÔÓÚ°¼ÐÎÊÜÒºÅÌ£¬Ò»°ãµ×϶¸ß¶ÈµÈÓÚÅÌÉËùÒÔ½µÒº¹Üµ×϶¸ß¶ÈΪ50mm¡£

5.2.2¸¡·§Ëþ°å½á¹¹²ÎÊýµÄÈ·¶¨

Ëþ¾¶´óÓÚ800mm£¬¹Ê²ÉÓ÷ֿéʽËþ°å£¬·Ö¿éʽËþ°åÓÉÁ½¿é¹­Ðΰ塢һ¿éͨµÀ°åºÍÊý¸ö¾ØÐΰ幹³É¡£

1¡¢¸¡·§ÐÍʽµÄÑ¡Ôñ

Ñ¡ÓÃF1Ð͸¡·§ÖеÄÖØ·§£¬·§¾¶48mm£¬·§¿×Ö±¾¶¦µ39mm£¬ÖØÔ¼33g¡£ 2¡¢¸¡·§µÄÅÅÁÐ

·Ö¿éʽËþ°å²ÉÓòæÅÅ£¬µÈÑüÈý½ÇÐÎÅÅÁУ¬Æäµ×±ß¹Ì¶¨Îª75mm£¬¸ßt¸ù¾Ý¿ª¿×Âʶø±ä¸ü¡£ 3¡¢¿ª¿×ÂÊ £¨1£©¾«Áó¶Î

??·§¿××ÜÃæ»ý£¨Ao£©?100%

Ëþ°å×ÜÃæ»ý£¨AT£©ÓÉÊÊÒË·§¿×ÆøËÙ¼ÆË㿪¿×ÂÊ¡£

²é±íÑ¡È¡±ê×¼Ëþ°å£¬Ëþ¾¶D=1800mm,AT=2.545m,HT=800mm,Wd=354mm,Ad=0.354m,¸¡·§¸öÊýΪ156¸ö£¬¿ª¿×ÂÊΪ7.33%¡£

2

2

Wc=0.085m,WF=0.095m¡£

22

ÁªÏµ¿Í·þ£º779662525#qq.com(#Ì滻Ϊ@)