19
Hoval STU Wood Pellet Boiler
Typical Plantroom layouts
The following examples illustrate different ways STU boilers can be integrated with an appropriate pellet store. These are not to scale and
should not be used as a detailed design guide. They are intended as an indication of possible solutions only.
Legend
1.
Silo - See notes on individual drawing for specification.
(a) - Areas of dead volume.
(b) - Slots, active pick-up locations.
(c) - Gate valve required to isolate individual silos.
2.
STU wood pellet boiler.
3a. Flexible auger - Note requirements for long radius bends (1.5-2m). Note maximum length of 15m.
3b. Angled pick-up auger - Max length 4.5m - Angled to deliver pellets into the top of the transfer box, angled to suit the
orientation of the transfer box and fuel store but note access (withdrawal) requirement.
4.
Stoker transfer box.
5.
Stoker delivery auger.
6.
Silo fill pipe.
7.
Conveyor air discharge.
8.
Chimney.
GENERAL ARRANGEMENT OF
A BOILER AND BUNKER
PELLET STORE
