■ Control of spur geared motor 3 x 400 V according to boiler control
unit
■ Inspection cover with safety limit switch and sealed outlet
6.12 Fuel discharge by means of agitators
Spring core discharge AF
Part no. 7387 846 for spring core discharge 3.5 m
Part no. 7387 906 for spring core discharge 4.5 m
Silo or bunker discharge with bottom agitator in lightweight version,
especially for smaller bunker volumes and/or lower boiler outputs. The
fuel supply is carried out via a bottom agitator with two leaf spring arms,
which fills a screw conveyor channel set into the floor (or intermediate
floor). If the silo is full, the leaf spring arms move to the cover disk.
Drive is via a geared screw conveyor motor to the discharge screw
conveyor and via an angular gear to the agitator. The spring core dis-
charge is suitable for round, square and rectangular rooms.
Standard delivery:
Spring core discharge according to the project drawing
■ Bottom agitator with two leaf spring arms
■ Drive unit with geared screw conveyor motor 3 x 400 V
■ Control according to boiler control unit enabled by the following con-
veyor device; speed/output:
project-related and subject to boiler output and fuel
■ Light barrier for monitoring the fill level at the end of the sealed screw
conveyor channel
■ Outlet with inspection cover and safety limit switch
To be carried out on customer side:
■ Installation of an intermediate floor required (preferably wooden
boards)
Note
1. Discharge screw conveyor must be ordered for this.
2. Speed/output of the drives: sizing by KÖB design department.
Specification
Spring core discharge AF AF 3.5 m AF 4.5 m
Part no. 7387 846 7387 906
a Max. length of discharge screw conveyor m 6 6
b Discharge circuit m 3.5 4.5
c Boiler output at angle of inclination 0° 15°
Torque at shaft Nm 450 450
Pellets S 650 kW 540 540
Woodchips from forest S 200 kW 300 220
Shavings kW 220 150
Maximum fill level
Pellets S 650 m 2.7 2.7
Woodchips from forest S 200 m 5.0 5.0
Design information
(cont.)
PYROT
53
5822 516 GB
6
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