Ochsenfurt HP 4000 L Brugelette HP 4000 L/W

Practical Experiences with the new
extended Program of
BMA Pulp Presses
ASSBT Meeting 2001
Vancouver, Canada
Uwe J. Schwanke

Installation at Renville, USA

Design of vertical pulp press
Pulp inlet and hopper
Spindle
Screen shell
Press water outlet
Pulp outlet
Drive

Two new installations:
HP 4000 L
Ochsenfurt, Germany
HP 4000 L/W
Brugelette, Belgium

New extended program
Basic concept: vertical design
single spindle
Two diameters: 3,000 mm
4,000 mm
Three length: short (K)
middle (M)
long (L)
NEW: Type „W“ with modified
spindle geometry
HP 4000 L/W
Brugelette, Belgium

Test results HP 4000 L and HP 4000 L/W
Average throughput [t/h]
Average dry substance [%]
Ochsenfurt
HP 4000 L
33.6
30.8
Brugelette
HP 4000 L/W
55.4
25.6

HP pulp presses (with gypsum)
slice rate vs. % dry substance
4.5 % marc, losses 0.25 % o.b., addition of gypsum
Equivalent slice rate [sht/d]
8 500
8 000
7 500
7 000
6 500
6 000
5 500
5 000
4 500
4 000
3 500
3 000
2 500
2 000
HP 3000 K
HP 4000 K
HP 3000 M
23 24 25 26 27 28 29 30 31 32 33 34
Pressed pulp [% DS]
HP 4000 M
HP 4000 L
HP 3000 L

HP pulp presses (with gypsum)
slice rate vs. % dry substance
4.5 % marc, losses 0.25 % o.b., addition of gypsum
Equivalent slice rate [sht/d]
8 500
8 000
7 500
7 000
6 500
6 000
5 500
5 000
4 500
4 000
3 500
3 000
2 500
2 000
HP 3000 L/W
HP 3000 M/W
HP 4000 L/W
HP 3000 K
HP 4000 M/W
HP 4000 K
HP 3000 M
23 24 25 26 27 28 29 30 31 32 33 34
Pressed pulp [% DS]
HP 4000 M
HP 4000 L
HP 3000 L

Installation at Renville, USA