3.3²Ù×÷Ìõ¼þµÄÈ·¶¨
3.3.1ÆûÌáÕôÆûÓÃÁ¿
²àÏß²úÆ·¼°Ëþµ×ÖØÓͶ¼ÓùýÈÈË®ÕôÆûÆûÌá, ʹÓõÄÊÇζÈ420¡æ, ѹÁ¦0.3MPaµÄ¹ýÈÈË®ÕôÆû¡£
±í4 ÆûÌáÕôÆûÓÃÁ¿(¾ÑéÖµ) ²Î¿¼±í4ÆûÌáÕôÆûÁ¿Èç±í5 ÕôÆûÓÃËþÃû³Æ ²úÆ· Á¿, £¥, ¶Ô²úÆ· ³£Ñ¹Ëþ ÈܼÁÓÍ 1.5¡«2.0 ³£Ñ¹Ëþ úÓÍ 2¡«3 ³£Ñ¹Ëþ Çá²ñÓÍ 2¡«3 ³£Ñ¹Ëþ ÖØ²ñÓÍ 2¡«4 ³£Ñ¹Ëþ ÇáÈó»¬ÓÍ 2¡«4 ³£Ñ¹Ëþ Ëþµ×ÖØÓÍ 2¡«4 ³õÁóËþ Ëþµ×ÓÍ 1.2¡«1.5 ¼õѹËþ ÖС¢ÖØÈó»¬ÓÍ 2¡«4 ¼õѹËþ ²ÐÔüȼÁÏÓÍ 2¡«4 ¼õѹËþ ²ÐÔüÆû¸×ÓÍ 2¡«5 4.Ëþ°åÐÍʽºÍËþ°åÊý£ºÊ¯ÓÍ·ÖÁóËþËþ°åÊýÖ÷Òª¿¿¾ÑéÑ¡Ó㬱í6¡¢±í7¡¢±í8Êdz£ ѹËþËþ °åÊýµÄ²Î¿¼Öµ¡£
±í6 ³£Ñ¹ËþËþ°åÊý¹úÍâÎÄÏ×ÍÆ¼öÖµ ±»·ÖÀëµÄÁó·Ö ÍÆ¼ö°åÊý Æû ÓÍ©¤Ãº ÓÍ 12¡«15 ú ÓÍ©¤Çá²ñÓÍ 14¡«16 Çá²ñÓÍ©¤ÖزñÓÍ 10¡«12 ½øÁÏ¡ª×îµÍ²àÏß 4¡«5´íÎó£¡Î´ÕÒµ½ÒýÓÃÔ´¡£ ÆûÌá¶Î»ò²àÏ߯ûÌá 4 ±í5 ÆûÌáË®ÕôÆûÓÃÁ¿
£¥,ÓÍÆ· ¶ÔÓÍ kg/h kmol/h kg/h º½¿ÕúÓÍ 3 16753 88.97 Çá ²ñ ÓÍ 3 2862 163.3 ÖØ ²ñ ÓÍ 2.8 1023 61.4 ÖØÓÍ 2 7689 463.8 ºÏ¼Æ 28327 677.5 ×¢£º±í5Ϊ²Î¿¼±í4µÃ³öµÄÆûÌáË®ÕôÆøÓÃÁ¿¡£
±í7 ¹úÄÚijЩÁ¶Óͳ§³£Ñ¹ËþËþ°åÊý¢Ù ±»·ÖÀëµÄÁó·Ö ¶«·½ºì ÄϾ©ÉϺ£ ¢òÌ× ¢ñÌ× Á¶³§ Æû ÓÍ©¤Ãº ÓÍ 3 10 9 ú ÓÍ©¤Çá²ñÓÍ 9 9 6 Çá²ñÓÍ©¤ÖزñÓÍ 7 4 6 ÖØ²ñÓÍ¡ªÁÑ»¯ÔÁÏ 8 4 6 ×îµÍ²àÏß¡ª½øÁÏ 4 4 3 ½øÁÏ¡ªËþµ× 4 6 4
¢Ù×¢: Ò²¿ÉÓÃÌîÁÏ´úÌæ¡£
²ÎÕÕ±í6Óë±í7Ñ¡¶¨µÄËþ°åÊýÈçÏÂ:
¾ö¶¨Ëþ°åÊý ÖØÕûÔÁÏ º½¿ÕúÓÍ Çá ²ñ ÓÍ ÖØ ²ñ ÓÍ Ëþµ×ÆûÌá¶Î 15²ã 15²ã 12²ã 4²ã 4²ã (ÆäÖÐËþ¶¥Ñ»·»ØÁ÷3¿é£¬¿¼ÂÇÒ»ÏßÉú²úº½Ãº) £¨ÆäÖеÚÒ»ÖжÎÑ»·»ØÁ÷3¿é£© £¨ÆäÖеڶþÖжÎÑ»·»ØÁ÷3¿é£© È«ËþÓÃÈý¸öÖжλØÁ÷, È«ËþËþ°å×ÜÊýΪ50²ã¡£
ͼ2 ³£Ñ¹ËþµÄ¼ÆËã²Ýͼ
3.3.2²Ù×÷ѹÁ¦
È¡Ëþ¶¥²úÆ·¹ÞѹÁ¦Îª: 0.13MPa¡£Ëþ¶¥²ÉÓÃÁ½¼¶ÀäÄýÀäÈ´Á÷³Ìͼ¡£È¡Ëþ¶¥¿ÕÀäÆ÷ѹÁ¦½µÎª0.01MPa, ʹÓÃÒ»¸ö¹Ü¿ÇʽºóÀäÆ÷, ¿Ç³ÌѹÁ¦½µÈ¡0.017MPa, ¹ÊËþ¶¥Ñ¹Á¦=0.13+0.01+0.017=0.157MPa (¾ø)¡£
ȡÿ²ã¸¡·§Ëþ°åѹÁ¦½µÎª0.00051MPa (4mmHg), ÔòÍÆË㳣ѹËþ¸÷¹Ø¼ü²¿Î»µÄѹÁ¦ÈçÏÂ: (µ¥Î»ÎªMPa)
Ëþ¶¥Ñ¹Á¦ Ò»Ïß³é³ö°å(µÚ15²ã)ÉÏѹÁ¦ ¶þÏß³é³ö°å(µÚ30²ã)ÉÏѹÁ¦ ÈýÏß³é³ö°å(µÚ42²ã)ÉÏѹÁ¦ Æû»¯¶ÎѹÁ¦(µÚ46²ãÏÂ) ȡתÓÍÏßѹÁ¦½µ ¼ÓÈȯ³ö¿ÚѹÁ¦ ÖØÓÍ(µÚ50²ãÏÂ) 0.157 0.165 0.172 0.178 0.180 0.035 0.217 0.183 3.3.3 Æû»¯¶ÎζÈ
¢Ù Æû»¯¶ÎÖнøÁÏµÄÆû»¯ÂÊÓë¹ýÆû»¯ÂÊ
È¡¹ýÆû»¯ÂÊΪ½øÁϵÄ2£¥(ÖÊ)(¾ÑéֵΪ2~4)»ò2.03£¥(Ìå), Ôò¹ýÆû»¯ÓÍÁ¿Îª512551¡Á2%=10251kg/h, ÒªÇó½øÁÏÔÚÆû»¯¶ÎµÄÆø»¯ÂÊΪ£ºef = (5.00+10.40+14.00+5.90+2.03)£¥=37.33£¥
ÓÍ Æ· Ô ÓÍ ²ú Æ· ÖØÕûÔÁÏ º½¿ÕúÓÍ Çá ²ñ ÓÍ ÖØ ²ñ ÓÍ ÖØÓÍ ²ú ÂÊ£¬% Ìå»ý 100 5.00 10.40 14.00 5.90 64.70 ÖÊÁ¿ 100 4.2 9.4 13.5 5.7 67.2 104t/Y 460 19.57 38.54 56.35 25.43 305.52 ´¦ Àí Á¿ »ò ²ú Á¿ t/D 16523 553 1156 1661 701 8266 kg/h 562852 25342 53257 75631 3462 395466 kmol/h 275 367 353 121 ±í3-4 ÎïÁÏÆ½ºâ±í
600500ζÈ4003002001000050Ìå»ý·ÖÊý£¥1001¡¢Êµ·ÐµãÕôÁóÇúÏß2¡¢Æ½ºâÕô·¢ÇúÏß
ͼ3-1ÔÓÍʵ·ÐµãÕôÁóÇúÏßÓëÆ½ºâÆû»¯ÇúÏß
¢Ú Æû»¯¶ÎÓÍÆø·Öѹ
Æû»¯¶ÎÖи÷ÎïÁϵÄÁ÷Á¿ÈçÏÂ:
ÖØÕûÔÁÏ º½¿ÕúÓÍ Çá ²ñ ÓÍ ÖØ ²ñ ÓÍ 275 367 353 121 43 1321 341 456 0.213 ¹ýÆû»¯ÓÍ ÓÍÆøÁ¿ºÏ¼Æ ¹ýÆû»¯Ó͵ķÖ×ÓÁ¿ Ë®ÕôÆû(Ëþµ×ÆûÌá) Æû»¯¶ÎµÄÓÍÆø·Öѹ kmol/h kmol/h kmol/h kmol/h kmol/h kmol/h kmol/h MPa ÆäÖйýÆû»¯Ó͵ÄÏà¶Ô·Ö×ÓÖÊÁ¿È¡300£¬Ë®ÕôÆøÈ¡456kmol/h(Ëþµ×ÆûÌá) ÊÇÓɴ˼ÆËãµÃÆû»¯¶ÎµÄÓÍÆø·ÖѹΪ£º0.180¡Á1321/(1321+456=0.1338MPa
Æø»¯ÂÊΪ37.34£¥Ê±ÓÉÆ½ºâÊý¾Ý¿É֪ƽºâζÈΪ304oC£¬Í¨¹ýÕôÆøÑ¹Í¼±í3-1¡£½«304oC»»ËãΪ0.130MPaϵÄζÈΪ317oC¡£
Ïà¹ØÍÆ¼ö£º