technical NOTES

Description FLSmidth KHD Humboldt

Wedag

Thyssen Krupp

Polysiyus

Type of Technology
/Equipment

Hot Disc PyroRotor Prepol - SC
(Step combustor)
Temperature
control By meal flow rate By air By meal flow rate

Fuel Transport

Fuel transport by slow

rotating disc (floor

of the reactor) and

scraper.

Fuel transport by

proven rotary kiln

technology. No

mechanical moving

parts in hot area.

Fuel transport

by shock blower

operation

arranged on the floor

of the reactor.

Unburnt fuel
will drop into the kiln
inlet Chamber.

will drop into the

kiln inlet Chamber.

will drop into the

kiln inlet chamber

Air Classifying
effect

Finer fuel particle will

go to the riser duct ,

result in thermal re-

lease of the reactor

No air classifying

effect.

Poor Air classifying

effect. Just by shock

blower operation.

Pros & Cons of Various Systems

Description FLSmidth KHD Humboldt

Wedag

Thyssen Krupp

Polysiyus

Pros & Cons Hot Disc Pyro Rotor Prepol - SC
(Step combustor)