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Êóðñîâàÿ ðàáîòà: Ïàðîâîé êîòåë ÄÅ 6,5-14 ÃÌ
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Êóðñîâàÿ ðàáîòà: Ïàðîâîé êîòåë ÄÅ 6,5-14 ÃÌ


3. Ïîñòðîåíèå Í-Ò äèàãðàììû

Ðàñ÷¸ò ýíòàëüïèé âîçäóõà è ïðîäóêòîâ ñãîðàíèÿ ïðîèçâîäèì ïðè äåéñòâèòåëüíûõ êîýôôèöèåíòàõ èçáûòêà âîçäóõà ïîñëå êàæäîé ïîâåðõíîñòè íàãðåâà. Ðàñ÷¸ò ïðîèçâîäèì äëÿ âñåãî âîçìîæíîãî äèàïàçîíà òåìïåðàòóð ïîñëå ïîâåðõíîñòåé íàãðåâà îò 100 äî 21000C. Ýíòàëüïèè íà 1 ì3 âîçäóõà, òðåõàòîìíûõ ãàçîâ, àçîòà, âîäÿíûõ ïàðîâ (êÄæ/ì3, ïðèíèìàþòñÿ èç òàáëèöû 3,4, èñòî÷íèê 1.

3.1 Îïðåäåëÿåì ýíòàëüïèþ òåîðåòè÷åñêîãî îáúåìà âîçäóõà Í0â (êÄæ/ì3), äëÿ âñåãî âûáðàííîãî äèàïàçîíà òåìïåðàòóð:

Í0â=V0*(Ct) âîçä.

Äëÿ 100°Ñ                                                Í0â=9,7*133=1290,1

Äëÿ 200°Ñ                                                Í0â=9,7*267=2589,9

Äëÿ 300°Ñ                                                Í0â=9,7*404=3918,8

Äëÿ 400°Ñ                                                Í0â=9,7*543=5267,1

Äëÿ 500°Ñ                                                Í0â=9,7*686=6654,2

Äëÿ 600°Ñ                                                Í0â=9,7*832=8070,4

Äëÿ 700°Ñ                                                Í0â=9,7*982=9525,4

Äëÿ 800°Ñ                                                Í0â=9,7*1134=10999,8

Äëÿ 900°Ñ                                                Í0â=9,7*1285=12464,5

Äëÿ 1000°Ñ                                              Í0â=9,7*1440=13968

Äëÿ 1100°Ñ                                              Í0â=9,7*1600=15520

Äëÿ 1200°Ñ                                              Í0â=9,7*1760=17072

Äëÿ 1300°Ñ                                              Í0â=9,7*1919=18614,3

Äëÿ 1400°Ñ                                              Í0â=9,7*2083=20205,1

Äëÿ 1500°Ñ                                              Í0â=9,7*2247=21795,9

Äëÿ 1600°Ñ                                              Í0â=9,7*2411=23386,7

Äëÿ 1700°Ñ                                              Í0â=9,7*2574=24967,8

Äëÿ 1800°Ñ                                              Í0â=9,7*2738=26558,6

Äëÿ 1900°Ñ                                              Í0â=9,7*2906=28188,2

Äëÿ 2000°Ñ                                              Í0â=9,7*3074=29817,8

Äëÿ 2100°Ñ                                              Í0â=9,7*3242=31447,4

3.2 Îïðåäåëÿåì ýíòàëüïèþ òåîðåòè÷åñêîãî îáúåìà ïðîäóêòîâ ñãîðàíèÿ Í0ã (êÄæ/ì3), äëÿ âñåãî âûáðàííîãî äèàïàçîíà òåìïåðàòóð:

Í0ã =VRO2*(Ct) RO2 +V0N2*(Ct) N2+V0H2O*(Ct) H2O

Äëÿ 100°Ñ                        Í0ã =1,035*170+7,7*130+2,195*151=1508,15

Äëÿ 200°Ñ                        Í0ã =1,035*359+7,7*261+2,195*305=3050,775

Äëÿ 300°Ñ                        Í0ã =1,035*561 +7,7*393+2,195*464=4625,18

Äëÿ 400°Ñ                        Í0ã =1,035*774+7,7*528+2,195*628=6245,15

Äëÿ 500°Ñ                        Í0ã =1,035*999+7,7*666+2,195*797=7911,585

Äëÿ 600°Ñ                        Í0ã =1,035*1226+7,7*806+2,195*970=9604,25

Äëÿ 700°Ñ                        Í0ã =1,035*146+7,7*949+2,195*1151=11351,055

Äëÿ 800°Ñ                        Í0ã =1,035*1709+7,7*1096+2,195*1340=13370,4

Äëÿ 900°Ñ                 Í0ã =1,035*1957+7,7*1247+2,195*1529=15029,095

Äëÿ 1000°Ñ               Í0ã =1,035*2209+7,7*1398+2,195*1730=16848,25

Äëÿ 1100°Ñ               Í0ã =1,035*2465 +7,7*1550+2,195*1932=18727,04

Äëÿ 1200°Ñ               Í0ã =1,035*2726+7,7*1701+2,195*2138=20612,02

Äëÿ 1300°Ñ               Í0ã =1,035*2986+7,7*1856+2,195*2352=22544,4

Äëÿ 1400°Ñ               Í0ã =1,035*3251+7,7*2016+2,195*2566=24781,28

Äëÿ 1500°Ñ               Í0ã =1,035*3515+7,7*2171+2,195*2789=26476,6

Äëÿ 1600°Ñ               Í0ã =1,035*3780+7,7*2331 +2,195*3010=28467,95

Äëÿ 1700°Ñ               Í0ã =1,035*4049+7,7*2490+2,195*3238=30471,11

Äëÿ 1800°Ñ               Í0ã =1,035*4317+7,7*2650+2,195*3469=33750,23

Äëÿ 1800°Ñ               Í0ã =1,035*4586+7,7*2814+2,195*3700=34535,8

Äëÿ 2000°Ñ               Í0ã =1,035*4859+7,7*2973+2,195*3939=36567,175

Äëÿ 2100°Ñ               Í0ã =1,035*5132+7,7*3137+2,195*4175=38630,645

3.3 Îïðåäåëÿåì ýíòàëüïèþ èçáûòî÷íîãî êîëè÷åñòâà âîçäóõà Íâèçá  (êÄæ/ì3), äëÿ âñåãî âûáðàííîãî äèàïàçîíà òåìïåðàòóð:

Íâèçá = (α -1) Í0â

Ãäå: α- êîýôôèöèåíò èçáûòêà âîçäóõà ïîñëå ãàçîõîäà

Âåðõ òîïî÷íîé êàìåðû

Äëÿ 800°Ñ                                 Íâèçá = (1,1-1) 10999,8=1099,98

Äëÿ 900°Ñ                                 Íâèçá = (1,1-1) 12464,5=1246,45

Äëÿ 1000°Ñ                               Íâèçá = (1,1-1) 13968=1396,8

Äëÿ 1100°Ñ                               Íâèçá = (1,1-1) 15520=1552

Äëÿ 1200°Ñ                               Íâèçá = (1,1-1) 17072=1707,2

Äëÿ 1300°Ñ                               Íâèçá = (1,1-1) 18614,3=1861,43

Äëÿ 1400°Ñ                               Íâèçá = (1,1-1) 20205,1=2020,51

Äëÿ 1500°Ñ                               Íâèçá = (1,1-1) 21795,9=2179,59

Äëÿ 1600°Ñ                               Íâèçá = (1,1-1) 23386,7=2338,67

Äëÿ 1700°Ñ                               Íâèçá = (1,1-1) 24967,8=2496,78

Äëÿ 1800°Ñ                               Íâèçá. = (1,1-1) 26558,6=2655,86

Äëÿ 1900°Ñ                               Íâèçá = (1,1-1) 28188,2=2818,82

Äëÿ 2000°Ñ                               Íâèçá = (1,1-1) 29817,8=2981,78

Äëÿ 2100°Ñ                               Íâèçá = (1,1-1) 31447,4=3144,74

1-é êîíâåêòèâíûé ïó÷îê

Äëÿ 300°Ñ                                  Íâèçá = (1,15-1) 3918,8=587,82

Äëÿ 400°Ñ                                  Íâèçá = (1,15-1) 5267,1=790,065

Äëÿ 500°Ñ                                  Íâèçá = (1,15-1) 6654,2=998,13

Äëÿ 600°Ñ                                  Íâèçá = (1,15-1) 8070,4=1210,56

Äëÿ 700°Ñ                                  Íâèçá = (1,15-1) 9525,4=1428,81

Äëÿ 800°Ñ                                  Íâèçá = (1,15-1) 10999,8=1649,97

Äëÿ 900°Ñ                                  Íâèçá = (1,15-1) 12464,5=1869,68

Äëÿ 1000°Ñ                                Íâèçá = (1,15-1) 13968=2095,2

2-é êîíâåêòèâíûéïó÷îê

Äëÿ 200°Ñ                                 Íâèçá = (1,25-1) 2589,9=647,5

Äëÿ 300°Ñ                                 Íâèçá = (1,25-1) 3918,8=979,7

Äëÿ 400°Ñ                                 Íâèçá = (1,25-1) 5267,1=1316,8

Äëÿ 500°Ñ                                 Íâèçá = (1,25-1) 6654,2=1663,6

Äëÿ 600°Ñ                                 Íâèçá = (1,25-1) 8070,4=2017,6

Äëÿ 700°Ñ                                 Íâèçá = (1,25-1) 9525,4=2381,35

Âîäÿíîé ýêîíîìàéçåð

Äëÿ 100°Ñ                                  Íâèçá = (1,35-1) 1290,1=451,535

Äëÿ 200°Ñ                                  Íâèçá = (1,35-1) 2589,9=906,465

Äëÿ 300°Ñ                                  Íâèçá = (1,35-1) 3918,8=1371,58

Äëÿ 400°Ñ                                  Íâèçá = (1,35-1) 5267,1=1843,485

3.4 Îïðåäåëÿåì ýíòàëüïèþ ïðîäóêòîâ ñãîðàíèÿ Í  (êÄæ/ì3):

Í = Í 0ã+ Í âèçá+ Í çë

ãäå: Íçë – ýíòàëüïèÿ çîëû è îïðåäåëÿåòñÿ ïî ôîðìóëå;

Íçë=(Ct) çîëû (Àð/100)αóí

ãäå: Àð- ìèíåðàëüíûå ïðèìåñè, ïðè ãàçå Àð=0

Íçë=0

Âåðõ òîïî÷íîé êàìåðû

Äëÿ 800°Ñ                                 Í = 16746,74+ 1552=13096,88

Äëÿ 900°Ñ                                 Í = 16746,74+ 1552=14662,75

Äëÿ 1000°Ñ                               Í = 16746,74+ 1552=16471,8

Äëÿ 1100°Ñ                               Í = 16746,74+ 1552=18298,74

Äëÿ 1200°Ñ                               Í = 18420,57+1707,2=20127,77

Äëÿ 1300°Ñ                               Í = 20133,6+ 1861,43=21995,03

Äëÿ 1400°Ñ                               Í = 22151,13+ 2020,51=24171,64

Äëÿ 1500°Ñ                               Í = 23617,83+ 2179,59=25797,42

Äëÿ 1600°Ñ                               Í = 25382,7+ 2338,67=27721,37

Äëÿ 1700°Ñ                               Í = 27152,16+ 2496,78=29648,94

Äëÿ 1800°Ñ                               Í = 30194,5+ 2655,86=32850,36

Äëÿ 1900°Ñ                               Í = 30743,3+ 2818,82=33562,12

Äëÿ 2000°Ñ                                Í = 32529,7+ 2981,78=35511,48

Äëÿ 2100°Ñ                                Í = 34351,27+ 3144,74=37496,01

1-é êîíâåêòèâíûé ïó÷îê

Äëÿ 300°Ñ                                  Í = 4149,58+ 587,82=4737,4

Äëÿ 400°Ñ                                  Í = 5601,45+ 790,065=6391,52

Äëÿ 500°Ñ                                  Í = 7094,66+ 998,13=8092,79

Äëÿ 600°Ñ                                  Í = 8610+ 1210,56=9820,56

Äëÿ 700°Ñ                                  Í = 10171,28+ 1428,81=11600,09

Äëÿ 800°Ñ                                  Í = 11996,9+ 1649,97=13646,87

Äëÿ 900°Ñ                                  Í = 13416,3+ 1869,68 =15285,98

Äëÿ 1000°Ñ                                Í = 15075+2095,2=17170,2

2-é êîíâåêòèâíûé ïó÷îê

Äëÿ 200°Ñ                                  Í = 2738,15+647,5=3385,65

Äëÿ 300°Ñ                                  Í = 4149,58+979,7=5129,28

Äëÿ 400°Ñ                                  Í = 5601,45+1316,8=6918,25

Äëÿ 500°Ñ                                  Í = 7094,66+1663,6=8758,26

Äëÿ 600°Ñ                                  Í = 8610+2017,6=10627,6

Äëÿ 700°Ñ                                  Í = 10171,28+ 2381,35=12552,35

Âîäÿíîé ýêîíîìàéçåð

Äëÿ 100°Ñ                                  Í = 1353,62+ 451,535=1805,155

Äëÿ 200°Ñ                                  Í = 2738,15+906,465=3644,625

Äëÿ 300°Ñ                                 Í = 4149,58+ 1371,58=5521,16

Ñòðàíèöû: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

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