10 Fuel extractor, type S
10 FUEL EXTRACTOR TYPE S – worm extractor
Comply with floor load specifications
Mount the drive outside
of the storage room
Ceiling opening ; 10 cm (seal
after installation – trough is
acoustically decoupled)
Wall opening 35 x 35
(Seal after installation – trough
acoustically decoupled)
Fire-safety collar
Drop hose ; 7.5 cm
Elbow worm and pellet worm Extension Conveyor worm Pellet worm and drop shaft
10.1 Pellet storage room requirements (FE type S)
Comply with the instructions in points 1.3 and 1.3.2 in the introduction!
Enclose the conveyor trough with a rock wool shell for the wall penetration (acoustic insulation). After installing
the FE the customer must provide a sloping floor that is as smooth possible, that slopes toward the worm trough at
an angle of less than 35° (the sloping floor should consist of formwork panels or planking with hard-fibre coating).
The sloping floor must be aligned so that it seals flush with the worm trough (min. thickness of 27 mm). The
subconstruction must be sufficiently stable to bear the weight of the pellets (approximately 1700 kg/m² at 2.5 m
height of bulk material).
Boiler room and storage room construction
KWB USP S
Fuel extractor with elbow worm
Fire
extinguisher
Boiler room door
T30 100/120
Boiler room
Pellet storage
Rock wool
Incline 35°
Both sides
Storage room door
T30 80/120
Ricochet protection mat
Cleaning door, top
Sweep door, bottom
Energy-saving damper
Detonation damper
Fill nozzle and suction nozzle
Vent opening
STOP
SWITCH
Distance 50 – 100 cm
20 cm to the ceiling
Wood planks
to slide in
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