new: STONEFEX

Introduction

Mobile stone separator

The mobile stone separator Stonefex removes reliably and very effectively stones and inert items from biomass fuels. A patented system of pressure and suction blowers generates exactly the right air flow in the expansion chamber to remove stones and heavy objects from wood.

The outcome is a fuel nearly free of stones which can be sold at a higher price. Furthermore fractions that were previously unusable due to their high amount of stones can now be processed into fuel.

 

Advantages at a glance

  • Dependable removal of up to 90 percent of stones and inert items from the input material
  • Throughput up to 130 yrd³/h designed for a input particle size of 3/8''…1''–4''
  • Wide range of application with simple adaption of separation criteria
  • Low energy costs due to electrical drive of all components
  • Compatible with most commercially available mobile screening units

Highlights

The Stonefex pays off

The Stonefex improves fuel quality by removing up to 90 percent of stones and insert materials. Biomass processors profit from better customer acceptance of their fuels, higher sale prices, and the ability to make a saleable product from material contaminated with stones.

A patented separating system

Alternativer

The input material is loaded onto the intake conveyor. In the expansion chamber, a patented system of pressure and suction blowers separates the material into a stone fraction and a cleaned usable fraction, which conveyors take out to opposite sides. Fines and any light materials are collected in the container downstream of the suction fan.

Everywhere applicable

The input material to the Stonefex is usually a usable biofuel fraction with a particle size from 3/8''…1''–4'' for example:

  • Shredded rootstocks
  • Woody green cuttings (pre-shredded with or without composting phase)
  • Screen residue from compost
  • Forestry chips

 

Mobile and economically

The single-axle trailer configuration makes the machine easy to manoeuvre, and it is approved for 80 km/h (50 mph) road speeds, so transportation to the site is no problem. The standard version of the stone separator uses grid electrical power. As an option, a diesel generator is available. This hybrid drive system guarantees low energy and maintenance costs.

Specifications

STONEFEX 3000 E
Drive
Electrical power input (kW) 26
Diesel generator (kVA) 30 (constant)
Material feeding - feed conveyor
Filling width 3'11''
Filling height 10'4''
Drive (kW) 3.0
Blower drive
Pressure blower (kW) 7.5
Suction- and feed blower (kW) 11
Discharge - Stone fraction
Design Corrugated edge belt
Discharge height 8'2'' (12'2'' Option)
Discharge - Wood fraction
Design Corrugated edge belt
Discharge height 8'2'' (12'2'' Option)
Dimensions
Transport dimensions LxWxH 27'3'' x 8'4'' x 13'1''
Working dimensions LxWxH 27'3'' x 24'7'' x 12'2''
Weight (t.sh) ~ 10.0
Throughput
dependent on material (yrd³/h) up to 130

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