Large Chamber Mill GDL: Hammer Mill for Coarse Grinding

Technical details

Robust welded steel construction, symmetrical housing for operation in both directions of rotation.
Grinding chamber equipped with wear elements to protect the housing walls, easy to replace
Armored inlet flap with position switch for change of direction of rotation
Optimized impact zone with armored impact plates on both sides of the inlet for efficient size reduction
Debris catcher pocket inside the grinding chamber to protect the screens
Durable, optimized rotor design, dynamically balanced, run-down time < 6 minutes without brakes
Beater carrier system (cassette change): easy, quick beater change in a few minutes
Wide opening doors allow easy access to the grinding chamber
6-piece screen basket system, depending on requirements and wear pattern, can be changed manually quickly and easily
Mill and motor unit can be separated, easier installation especially in confined spaces
Tested and certified in pressure shock resistant and flameproof design (0.4 bar)
Variable grain spectrum via variable beater circumferential speed (when using a frequency converter),
Sieve perforation and beater configuration; depending on requirements.

Machine types

	GDL 12	GDL 20	GDL 25
Grinding chamber diameter (mm)	1200 mm	1200 mm	1200 mm
Screen width (mm)	640 mm	1000 mm	1250 mm
Grinding chamber area (m2 )	1.84 m²	2.88 m²	3.60 m²

Dimensions and weights
Length x width x height (approx. mm)	2630 x 1600 x 1600 mm	3050 x 1600 x 1600 mm	3300 x 1600 x 1600 mm
Weight without motor (approx. kg)	1950 kg	2450 kg	2900 kg

Drive
Motor size (kW)	160 - 250 kW	250 - 355 kW	355 - 450 kW
Speed 50 Hz/60 Hz (rpm)	1500/1800	1500/1800	1500/1800
Speed with frequency converter 34-60 Hz	1000 - 1800	1000 - 1800	1000 - 1800

* Depending on motor size Measuring surface sound level < 88 dB (A) (under load)

Download data sheet

Large chamber mill GDL