Kimyoviy texnologiyalar fakulteti 182-xtf(sirtqi, organika) yo’nalishi talabasi Baxodirov Abduraim Baxrom o`g`lining
Download 1.16 Mb. Pdf ko'rish
|
Baxodirov Abduraim Baxrom ogli
- Bu sahifa navigatsiya:
- X7=1174364 t 28 3.5 Issiqlik balans
3.4 Material balans
Xomashyo materiallarini va ishlab chiqarish mahsulotlarini material balansini hisoblaymiz. Yiliga 960 000 t poliakrilamid chiqariladigan bo‟lsa tayyor xomashyodagi yo‟qotilish-0.5%: 960000----100% X --- 0.5% X=960000*0.5/100=4800t X=960000+4800=964800t Qadoqlashdagi yo‟qotilish-3% 964800----100% X1 --- 3% X1=964800*3/100=28944t X1=964800+28944=993744t Vakuumli quritgichda-3% 993744----100% X2 --- 3% X2=993744*3/100=29812t X2=993744+29812=1023556t Ekstraktorda yo‟qotilish – 5% 1023556----100% X3 --- 5% X3=1023556*5/100=51177 t X3=1023556+51177=1074733t 27 Aylanuvchi barabanda – 4% 1074733---100% X4 --- 4% X4=1074733*4/100=42989t X4=1074733+42989=1117722 t Yig‟gichda-3% X5=1117722 *3/100=33531t X5=1151253t Filtrda -0.5 % X6=1151253*0.5/100=5756t X6=1157009 t Ombordagi yo‟qotilish- 1.5% X7=1157009*1.5/100=17355t X7=1174364 t 28 3.5 Issiqlik balans Jarayonga ketayotgan hom ashyolarning yillik miqdori 220194 t ishlab chiqarish jarayoninig issiqlik balansi quyidagicha bo‟ladi; Q 1 =Q 2 +Q 3 Bu erda Q 1 -jarayonning umumiy issiqlik sarfi; Q 2 -jarayondan chiqayotgan mahsulotning issiqlik sarfi; Q 3 -atrof muhitga yo‟qotilgan issiqlik; Jarayonga kirish va chiqishdagi plitaning issiqligi quyidagicha aniqlaymiz. Q 1 =M 1 *C*(t 2 -t 1 ) Bu erda M 1 -moyning massasi, t; C-piroliz gazining issiqlik sig‟imi; t 2 -pechdagi zarur bo‟lgan bo‟lgan temperatura; t 1 -xom ashyoning jarayonga kirishdagi temperaturasi; 200 0 Cdagi issiqlik sig‟imi-0,285kkal(kg*grad) 850 o C dagi issiqlik miqdorini aniqlaymiz. Kirgan mahsulot; Q 1 =100*8500* (850-200)=552500000 kj Chiqqan mahsulot; Q 2 =100*9500* (450)= 427500000 kj Atrof muhitga yo‟qotilish; Q 3 =Q 1 -Q 2 ; Q 3 =552500000-427500000=12500000 kj Gazning yonish issiqligini quyidagicha fo‟rmula orqali hisoblaymiz. 29 QH=358.12CH 4 +637.5C 2 H 6 5CH 8 +486,5C 4 H l0 +912,+1460,8C 5 H 12 =358.2-94,6+637.2*2.6+912.5*3-1186*0.3=3620lk dt/nm 3 Kerak bo"lgan quruq havoning nazariy miqdorini hisoblaymiz Z O =0,0476*k nm 3 /nm 3 C=2CH 4 +3,5C 2 H 5 = + 5C-,H 8 +6,5C 4 H 10 +8C 5 H 2 C=2*94,6+3,5*2,6+5*0,3+6,5*0,3=202 Z o =0,0476*202=9,6nm 3 /nm 3 Atmosfera havosining namligini d=8 2/k 2 deb qabul qilib,uning namligini e'tiborga olgan holda nazariy jihatdan atmosfera havosining sarflanish miqdorini aniqlaymiz. Z 0 =(l+0,001ad) Z 0 =(l =0,0016*8)*9,6=9,72 nm 3 /nm 3 . Sarflanish koeffisinti L= 1,2 ga bo‟lgandagi haqiqiy sarflanish koeffmsenti quyidagi formula orqali hisoblaymiz. Quruq xavo Za=a xZo=l,2+9,6=4,52 nm 3 nm 3 Atmosfera xavosi Z a = axZo=l,2*9,72 =4,66 nm 3 /nm 3 Tabiiy gaz yonganidan keyin hosil bo‟ladigan moddalarning tarkibi va miqdorini hisoblab topamiz. VCO 2 =0,01 (C0 2 + CH4 + 2C 2 H 6 +3 C3H 8 +4C4H 10 +5C5H 10 )=0,01(0,1+94,6+2+2,6+ +3x0,3+4x0,3)=1,021nm 3 /nm 3 H 2 O=0,01(2xCH 4 +3C 2 H 6 +4C3H 8 +5C 4 H 10 +6C5H 12 + H 2 O+0,16dZj)=0,0H2x94,6+3x2,6+4x0,3+5x0,3+l+0,16x8+ ll,52)=2,19nm 3 /nm 3 Gazning yonish jarayonida chiquvchi moddalarning yig‟indisini hisoblaymiz V 2 = V CO 2 +V H2O + V N2 + V 02 V 2 =l,021+2,19+9,111+0,4032=1272 nm 3 /nm 3 Tabiiy gaz yonish jarayonida xosil bo‟lgan moddalaming prosentini hisoblaymiz. 30 Jami- 100,0 % 03 , 8 7 , 12 100 02 , 1 2 100 2 2 2 V VCO CO % 62 , 71 7 , 12 100 111 , 9 2 100 2 2 V VN N % 17 , 3 7 , 12 100 4032 , 0 2 100 2 2 V VO O |
Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2024
ma'muriyatiga murojaat qiling
ma'muriyatiga murojaat qiling