Expander Filter Maintenance - BOWE P414 Instruction Manual

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- 3 1 -
6 . 4 E x p a n d e r f i l t e r
- A b l a s s e n
U m d i e F u n k t i o n z u e r h a l t e n u n d V e r -
s t o p f u n g e n z u v e r m e i d e n , i s t d a s E x -
panderfilter bei einem Enddruc( von
1 , 6 b a r , b z w , n a c h 1 5 - 2 5 C h a r g e n
a b z u l a s s e n .
- P r ü f e n , o b d e r D e s t i l l i e r b e h ä l t e r
den Fi l teri nhal t aufnehmen kann,
- H a u p t s c h a l t e r u n d T a s t e " I 0 " E I N
- T a s t e " F ' i l t e r a b s c h o c k e n "
( S c h a l t -
b l e n d e ) d r ü c k e n , n a c h 3 m i n
- Fi I terabl aßschi eber ganz öffnen
- A b w a r t e n , b i s F i l t e r l e e r i s t ,
d a n n S c h i e b e r s c h l i e ß e n u n d
T a s t e " F i I t e r a b s c h o c k e n
" e n t -
r i e g e l n
D u r c h d i e h o h e I s o l i e r e i g e n s c h a f t d e s
F i l t e r p u l v e r s g e h t d i e D e s t i l l i e r -
l e i s t u n g z u r ü c k . D e s h a l b s o l l n a c h
A b l a s s e n d e s F i l t e r s d i e D e s t i l l i e r -
behäl ter -tlartung durchgeführt werden
{ A u s d e s t i l l i e r e n ) ,
G r u n d a n s c h w e m m e n
( s i e h e a u d r b e i E r s t i n b e t r i e b n a h m e
S . 2 2 )
D a s G r u n d a n s c h w e m m e n
d e s F i l t e r s w i r d
w i e f o l g t d u r c h g e f ü h r t :
- C a . 0 , 8 k g F i l L e r p u l v e r i n d i e
T r o m m e l f ü l l e n ( = c a , 3 , 2 l )
- Taste "Anschwemmen
" drücken
- Taste "S]ART" driicken
ährend des automatischen Anschwetim-
v o r g a n g e s ! ' i r d d a s F i l t e r m i t L ö s e m i t t e l
g e f ü l l t u n d d a s F i l t e r p u l v e r z u m F i l t e r
g e f ö r d e r t , D a s ü b e r s c h ü s s i g e L ö s e r i t t e l
w i r d z u m D e s t i I l ' i e r b e h ä l t e r a b g e p u m p t ,
S c h l e u d e r n u n d R ü c k g e w i n n u n g
l ä u f e n
n a c h e i n a n d e r a b .
D r u c k d e s n e u a n g e s c h w e m m t e n
F i l t e r s :
0 , 6 - 0 , 8 b a r
F i l t e r n i c h t i n a b g e s c h o c k t e m
Z u s t a n d
ü b e r N a c h t s t e h e n l a s s e n .
E x p a n d e r f i l t e r
- D r a i n i n g
The expander filter
contents must
b e d u m p e d t o e n s u r e f u n c t i o n i n g
a n d a v o i d b l o c k a g e s w h e n t h e f i n a l
p r e s s u r e r e a c h e s 1 . 6 b a r o r a f t e r
1 5 - 2 5 I o a d s .
- C h e c k w h e t h e r s t i l l ! 1 l i l l t a k e
fi I ter contents .
- lvlain switch and "I0" 0N
- P r e s s " S h o c k i n g " b u t t o n ( c o n t r o l
p a n e l ) , a f t e r 3 m ' j n s
- o p e n f i l t e r d r a i n v a l v e f u l l y
- l , i a i t t i l l f i l t e r i s e m p t y , t h e n c l o s e
v a l v e a n d r e l e a s e " S h o c k i n g "
button
T h e d i s t i l l a t i o n r a t e d r o p s d u e t o
t h e h i g h i n s u l a t i o n p r o p e r t y o f t h e
f i l t e r p o w d e r . T h e r e f o r e s t i l l
maintenance should be carried out
a f t e r d u n p i n g t h e f i l t e r c o n t e n t s
( s t i l I s t r i p p i n g ) .
B a s i c p r e c o a t i n g
( s e e " F i r s t p u t t i n g i n t o o p e r a t i o n ' , p . 2 2 )
B a s i c p r e c o a t i n g o f t h e f i l t e r i s
c a f f i e d o u t a s f o l l o w s :
- F i l l u p a p p r o x . 0 . 8 k g o f f i l t e r
p o w d e r i n t o c a g e ( = a p p r o x . 3 . 2 1 t r . )
- Press " Precoati ng " button
- Press "STARTI button
Du|jn9 the automatic precoat process
t h e f i l t e r i s f i l l e d } l l i t h s o l v e n t a n d
t h e p o w d e r p a s s e d t o t h e f i l t e r .
T h e
e x c e s s s o l v e n t i s p u m p e d t o t h e s t i l l .
Extraction and recovery fol low one
after the other.
P r e s s u r e o f t h e n e ! 1 , l y p r e c o a t e d f i l t e r :
0 . 6 - 0 . 8 b a r
D o n o t l e a v e L h e f i l t e r s t a n d i n g I n
t h e s h o c k e d s t a t e o v e r n i g h t .
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L4
tr

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