Note
1. Installation position, horizontal:
preferably in concrete with recess for screw conveyor and central
gear.
2. Installation position, angled:
exclusively with intermediate floor, preferably made from wood.
3. Suitable for woodchips up to G30/50; not suitable for wood bri-
quettes and shredded matter from used or waste wood.
4. Sloping installation position reduces the discharge output and the
degree of emptying (by approx. 2.3 % per 1 degree slope).
5. Speed/output: project-related and subject to boiler output and fuel,
sizing by KÖB design department.
Discharge screw conveyor AF to spring core discharge
Part no. 7388 035
The fuel is moved by the spring core discharge arms into the open
conveyor channel in the silo. Outside the bunker, the screw conveyor
channel is sealed.
Standard delivery:
■ Conveyor channel with specially matched discharge screw conveyor
Note
Article price per m, always round up to whole numbers.
The max. length of the discharge screw conveyor AF is 6 m.
Total price = total length a in metres (max. 6 m) x individual price.
Horizontal discharge AH
Part no. 7387 965 for horizontal discharge up to D = 5.0 m
Part no. 7387 845 for horizontal discharge up to D = 6.5 m
Horizontal discharge with bottom agitator in heavy version, especially
for larger bunker volumes and/or high boiler outputs. The two agitator
arms each comprise one or two (depending on size) articulated arm(s)
and an externally fitted leaf spring package. The agitator is driven sub-
ject to the fill level of the discharge screw conveyor (control via light
barrier).
The discharge screw conveyor itself is enabled independently of the
agitator by a separate drive unit according to the boiler requirement.
The result is trouble-free operation and a long service life. When using
for pellets, a cover panel is required over the screw conveyor channel.
Maximum fill level and maximum slope must be observed.
Standard delivery:
Horizontal discharge according to the project drawing
■ Bottom agitator with two arms and external drive with shaft routed to
inside
■ Drive for bottom agitator 3 x 400 V, with geared screw conveyor
motor and torque support; control according to boiler control unit with
enabling of discharge screw conveyor
■ Drive unit for discharge screw conveyor with spur geared motor 3 x
400 V and chain drive; control according to boiler control unit with
enabling of the following conveyor 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 made from
wooden boards).
Note
1. Discharge screw conveyor (part no. 7387 603) must also be
ordered.
2. Speed/output of the drives: sizing by KÖB design department.
Specification
Horizontal discharge AH AH up to 5 m AH up to 6 m
Part no. 7837 965 7837 845
Discharge circuit f m 3.8 4.5 5.0 5.0 5.5 6.0
Weight excluding conveyor channel kg 480 480 480 500 500 500
Torque of the drives
A
Nm ~2900 ~2900 ~2900 ~2900 ~2900 ~2900
B
Nm ~800 ~800 ~800 ~800 ~800 ~800
Design information
(cont.)
PYROT
55
5822 516 GB
6
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