Chapter 6
Rev. 3 of 01/12/04
SEITAL S.r.l.
Use and maintenance handbook: Centrifugal separator
SE 40CX
Page 6-1
6.
BOWL AND INLET-OUTLET FLOW UNIT
The bowl is supplied separately from the rest of the machine, so before setting at work it must
be dismantled and assembled on vertical shaft in the frame. The bowl, rotating at high speed,
is subjected at high stress that could compromise the operating safety of clarifier in case the
bowl has been improperly assembled and cleaned. In
Figure 6.1
are shown all the main pieces
of the bowl.
1 - Bowl body
2 - OR gasket - bowl body
3 - Bowl body nut
4 - Gasket - moving ram
5 - Moving ram
6 - Distributor
7 - Bottom disk
8 - Intermediate disk
9 - Finned upper disk
10 - OR gasket - finned upper disk
11 - Nylon gasket - bowl hood
12 - OR gasket - bowl hood
13 - Bowl hood
14 - Big lock ring
15 - Drilled gasket - dividing disk
16 - Dividing disk
17 - Finned cover
18 - Small lock ring
19 - OR gasket - distributor ring
*20 - Distributor ring
21 - Screw
(*) Dismantle only according with SEITAL authorization.
6.1.
Bowl assembly
In bowl assembly follow in detail the procedure indicated below and pay particular attention
to the following warnings:
ATTENTION
Generic danger
The bowl has not to be started before it has been completely assembled.
-
Carefully clean coupling surfaces and gaskets groove.
-
Smear antiscuff grease on threads and surfaces subject to rub.
-
Check presence of all gaskets on new bowl too.
-
Every part must be correctly positioned; almost all bowl parts have an angular position
fixed by pins or feather keys - except for threaded parts and gaskets (Figure 6.1 - parts 2,
3, 4, 10, 11, 12, 14, 18).
Figure 6.1