Тепловая схема энергоблока К-330 ТЭС
Дипломная работа - Физика
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31,05+1 = 32,05 ??
??/?
? = 692+40,59 =732,59 ??/?
?2 = 1,5• ?3
?3+ ?2 = 1065-732,59
???? ?????? ?????, ???:
?3 = 133 ??/?
?2 = 199,5 ??/?
???????? ???? ???? ? ???-1
???? ? ???-1:
?1 = h1- h2 = 1185,1-1065 = 120,1 ??/?
???????? ????? ? ??? ???-1:
??1 = t1+?t = 270+10 = 280 C
???? ????? h??1 = 1236,7 ??/?
?????? ??? ??? ?? ???-1:
?1•( h1-h??1)•????1 = ?•( h1-h2)
?? ???? ???? ? ??:
? = ???+?0 = 0,015+1 = 1,015
.? 3 (???-3)
???? ? ? ??? ???-3
?3 = ?2+0,5 = 31,05+0,5 = 31,55 ??
???? ? ? ??? ???????:
h3 = h2- ?2 = 1065-199,5 = 865,5 ??/?
???????? ? ? ??? ???????: t3 = 203 C
???????? ?????: t?3 = t3+ ???? = 203+1 = 204 C
???? ????? ???? t?3: ??3 = 1,6891 ??
???? ?????: h?3 = 870,3 ??/?
???? ? ????: ?3 = ??3•1,05 = 1,6891•1,05 = 1,774 ??
? hS-?????? ???? ???? ????????? ? ????:3 = 3316 ??/?3 =430C
???? ????? ???-3 ???? t??3 = t3+?t = 203+10 = 213 C??3 = 911,4 ??/?
?????? ??? ??? ?? ???-2:
(?1•( h??1-h??2)+ ?2•( h2-h??2)) •????2 = ?•( h2-h3)
??????? ???????? ?
[7]
=(h-h2)•(?0-?1-?2)=(3541,41-2933,23)•(1-0,0644-0,0726)=524,86 ??/?
??/?
???? ???????? ?
= h2- = 3541,41-94,47 = 3446,9 ??/?
? hS-?????? ???? ???? ???? ???????? ?:
? = 2,6 ??
13.? 4 (??????)
???? ??????? ?4 = 0,68 ??
? ?4 = 0,68 ?? ???? ????????? ? ??????? t4 =163,79 C
???????? ????? t?4 = t4=163,79 C
???? ????? ??4 = ?4 = 0,68 ??
???? ????? h?4 = h4 =692,1 ??/?
???? ???? ?4 = 1,3•??4 = 1,3•0,68 = 0,884 ??
? hS-?????? ???? ???? ? ???? h4 =3148 ??/?
? ????????? t4=335 C
.3 ????????? ?????????? ???? ?????? ???? ???
.? 5 (???-4)
???????? ? ? ??? ???-4:
5 = t4-20 = 163,79-20 =143,79 C
???????? ?????: t?5 = t5+ ???? = 143,79 +3 = 146,79 C
???? ????? ???? t?5: ??5 = 0,436 ??
???? ?????: h?5 = 618,4 ??/?
???? ? ????: ?5 = ??5•1,05 = 0,436 •1,05 = 0,458 ??
? hS-?????? ???? ???? ????????? ? ????:3 = 2996 ??/?3 =266C
????? ???? ??1 2,5 ??, ???? ???? ??? ???????? ??? ????? = 0,1 ??.
??? ???? ? ???????? ?5 = 2,5-2•0,1 = 2,3 ??
? ?5 t5 ???? ???? ? ???-4: h5 = 606,69 ??/?
???? ?????: h??5 = h?5 = 618,4 ??/?
???? ? ???????:
?4 = h4- h5 = 692,1-606 = 86,1 ??/?
???????? ???? ? ??? ????? ??? ????
??/?
?5 = ?6 = ?7 = ?8 =
.? 6 (???-3)
???? ? ? ??? ???????:
6 = h5- ?6 = 692,1-123,6 = 483,09 ??/?
???? ? ? ??? ???????:
?6 = ?5+0,1 = 2,3+0.1=2,4 ??
???????? ? ? ??? ???????: t6 = 114,8 C
???????? ?????: t?6 = t6+ ???? = 114,8+3 = 117,8 C
???? ????? ???? t?6: ??6 = 0,186 ??
???? ?????: h?6 = 495,3 ??/?
???? ????? ???-3 ???? t??6=t6+?t =114,8+10=124,8 C??6 = 492,5 ??/?
???? ? ????: ?6 = ??6•1,07 = 0,186 •1,07 = 0,2 ??
? hS-?????? ???? ???