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1、26,149 20085,3ENERGYCONSERVATION TECHNOLOGY Vol 26 ,Sum No 149 May 2008 ,No 3 , ( ,410082) :H247R- 6C, , , :; :TP64:A:1002 - 6339(2008)03 - 0240 - 03 StudyofNewEnergy Saving Technology for Heavy Check V alve ZOUXian-jun ,ZHANG G ui-xiang ,TIAN Y ong - jian ,CHEN Hong - wei (College of Mechanical and
2、 Automotive Eng ,Hunan Univ ,Changsha 410082 ,China) Abstract :This article introduced the structure and workprinciple of H247R - 6C check valveThe principle of energy saving has been analyzedThe new technology of energy saving has been adopted with the automatic control systemequipped with the chec
3、k valveThe paper calculated and analyzed the operation effect of the check valve Meanwhile , a successful case has been presented for the upgrading and rebuilding of the tradi tional mechanical product Key words :energy saving ; check valve ; executingframe w ork ; pressure loss ;energy loss 86836 (
4、6) , 1 , 1 , , , 2 , 2 , ,H247R - 6C 3 , 2 1H247R - 6C H247R - 6C1, 1/,2,3,4 ,5,6 ( ) 2 2H247R - 6C (1) / O,MMM,O M, , ,O 8 200 - 02 - 1200 - 0- 1 :19 4 1 1 042 M,M=M+ M+ M+ M,M ,;M,M (2) , , :/,=75 30,;=30 0,/ 1/6, ,/, , ( ) , , , ,1, , MMM/, ,H247R - 6C , 1H247R - 6C 3 4 , ,(1) (2) hf1= 1 d v2 2 (
5、1) hf2= v2 2 (2) hf1,Pa; hf2,Pa; ,; ,; d (m), 1 2, d= 700 mm; v,m/ s; ,kg/ m3; , hf hf=hf1+ hf2 (3) (1) , 1 d ,hf10,: hf=hf2= 8q2v 2 d4 (4) P = hfqv 1000 (5) (5)P,kW 176, 2 727 kg/ m3,9 46 m3/ s, (4) (5 ) , hf P hfP P1,3 5 3 (4)(5) : ,hfPP 2H247R - 6C 4 2, /, P , :P - P, , ,+ , , 8 lm 142 4 1 ,4 6 1
6、 7 ,2,3 8 ,4,5 9 ,6/,7,8 ,9,10 10 ,11 ,12,13,14 ,15,16, 17 1H247R - 6C ,20 030 040 045 050 055 060 065 070 075 080 090 0 102 4768 3145 5437 9530 3620 8413 979 786 582 661 120 41 hf,kPa 84 4256 2837 5231 2725 0317 1811 518 065 432 190 920 33 P,kW718 78479 16319 44295 81213 11162 5298 0176 2557 8920 7
7、210 693 12 P,kW 661 28440 83335 41307 64206 72169 02100 9677 7858 9519 8411 013 98 3 4 1 -;2-;3 -;4 - ;5 -;6 -/ ;7 -;8 -;9 - ;10 -;11 -; 12 - ;13-;14-;15 - ;16-;17- 4 2 , , , , ,/, , , , , , ,/ , ,/ ,+;, P-P 4 3 : (1) , /, (2) , , ,/ , , /, 5 5 1 : YE J100L1 - 4 ,22 kW , 380 V ,50 H z ,IMB5 ;:24 VDC
8、 ,100 mA , :2 942 N;:24 VDC ,10 mA ,: 294 N;:5 s;: 0 8/ kWh ;:0 8/ () 8 242 11 8 %,1 14 3 % ,2 5 % ,1 000 t 2 , , , , ?3 30 kW,2001, 48 868 kWh ,2001 ,31 129 kWh , (48 868 kWh - 31 129 kWh)/ 48 868 kWh = 36 3 % , 3 (121 t), (139 t),(139 t - 121 t)/ 139 t = 12 95 % 3 , , , , 2007, ,35, WFJ K , , , ,
9、,; , 5, , 3WF - 7K- D 239 6 kWh ,201 7 kWh , (239 6 kWh - 201 7 kWh)/ 239 6 kWh = 16 % , , , , ( 242 ) 5 2 ,: 2 2 kWh/ h3 310- 6kWh/2 410- 4kWh/ h , :2 2 kWh/ h 5 3 , , 40 , 60 ,319 4 kW 98 01 kW,P= 221 43 kW, 221 43 kWh/ h45 h , 6 : ,13 ,9 %, , , , 1,M: ,1999 2M:,2003 3() M :,2002 ,45 - 47 4M:, 1999 ,47 - 49 5, MAT LABM:, 2001 ,152 - 160 6UGNXM: ,2004 ,167 - 181 7,() M:,2003 ,5 :350 - 358 8M: ,2005 ,198 - 203 9 M:,1982 ,4 ,360 - 365 10() M5: ,55 8 1999 :2 7 - 2 9