Noorganik moddalar va mineral o’g’itlar texnologiyasi Mirzaev F.M. va boshq.
р ш а д д а д —Л п п п п п п п
Quyish D renaj E ritm a n h 4 n o 3 A zot kislotasi E ritm a N H . N O , b ila n b e r ila d i. A z o t kislotasi esa
k o ‘p iklagich orqali (2160 teshik-
c h a (d = 1,5 m m ) 2 —3 m /s e k .
tezlik b i l a n b erila d i.
N a t i j a d a r e a k s i o n q i s m i d a
n e y t r a l l a s h re a k s iy a s i issiq lik
c h i q a r i s h b i l a n o ‘t a d i . Isig an
b u g 1 v a e r i t m a a r a l a s h m a s i
y u q o r i g a
m a x s u s
q u r i l m a
y o r d a m i d a k o 'ta r ila d i (5) va so -
c h ila d i, n a t i j a d a ajra lg an e r itm a
(suv b u g ‘i d a n ) s ta k a n d a r c h a l a -
r id a n b u g ‘la tish q is m ig a kiradi.
Bu y e r d a r e a k s i y a n a t i j a s i d a
c h iq q a n issiqlik hisobiga b u g 4 a -
n a d i. A p p a r a t n i n g y u q o ri qism i
s e p a r a to r lik (6) vazifasini baja-
radi. Suv b u g ‘i y u q o rig a к о Ч а -
rilib, p a s t q a l p o q l i k t a r e l k a d a
az o t kislo ta si b ila n n o r d o n l a s h -
g a n a m m o n i y s e l i t r a s i b i l a n
yu v ilad i v a suv b u g ‘i a m m i a k -
d a n t o z a l a n a d i . Y u q o r i d a g i 2
t a r e l k a d a a z o t kislotasi b u g 'la r i
va selitra t o m c h i la r i u s h la n a d i.
N i h o y a t s u v b u g ‘i e l a k s i m o n
t o m c h i q a y t a r g i c h g a (8) kelib
b u t u n l a y to z a l a n a d i . S h u n d a y qilib, h o sil b o ‘lg an a m m o n i y selitra
e r itm a s i ( 9 0 —9 2 % ) I T N r e a k t o r i d a n b u g ‘la tis h v a k u u m a p p a r a tig a
yub o rilad i. A S -7 2 a g re g a tid a b u g ‘la tish u c h u n 0 8 X 2 2 H 6 T p o ‘latid an
yasa lg a n k o m b i n a t s iy a q ilin g a n b u g ‘latish a p p a r a t l a r i q o ‘lla n ila d i
( 4 .4 - r a s m ) . A p p a r a t n i n g u m u m iy b a la n d lig i 16m.
A m m o n i y selitra e r itm a s i q u v u rli b o 's h l i q o rq a li berilib , q u v u r
o ‘rta sid a g i b o ‘s h liq q a esa 1,3— l , 5 M P a b o s im li suv b u g ‘i b erila d i.
Suv b u g 'i d a n tash q ari issiqlik m a n b a y i sifa tid a 180°C darajali issiq
h a v o b e rila d i. H a v o k o n s e n t r a ts i o n q i s m in in g p a s tig a kirib, y u q o
ridagi u c h t a e la k s im o n t a r e lk a la r o rq a li o ' t a d i . H a v o n in g nam ligi
2 0 g r/k g o sh ish i m u m k in em as. E rigan a m m o n i y selitrasi 175— 185°C
t e m p e r a t u r a b ila n k o n s e n t r a ts i o n q i s m in in g p a s t i d a n o q ib tu sh a d i.
B u g ‘la tish a p p a r a t i n i n g to z a l o v c h i q i s m i d a (7 ) ik k ita e la k s im o n
t o ‘rd a n y asa lg a n ta re lk a j o y la s h g a n b o ‘lib y u q o r i ta r e lk a k o n d e n s a t,