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Instrument Database:
Fritsch GmbH - Cutting Mill Combination pulverisette 25/pulverisette 19
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| Year of introduction |
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| Status |
available |
| Company |
Fritsch GmbH
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| Categories |
Sample preparation: Mills, Grinders
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Suitable for grinding for extremely heterogeneous samples
Field of application
The Cutting Mill Combination can reduce 2 litres of material with a maximum edge length of 30 mm down to < 500 µm and provide an accurate representative sample ready for analysis in one within 5 minutes. Amongst other applications its main use is for the preparation of heterogeneous materials for analysis according to the standard method for domestic waste, for for the determination of calorific value and chlorine content (e.g. in cement plans) as well as for RoHS testing. It has been spefically designed to deal with very heterogeneous materials such as household waste, building rubble, German Recycling System bales or light shredder fractions from recycling.
Method of operation
The Cutting Mill Combination which consists of the Power Cutting Mill pulverisette 25 and the Universal Cutting Mill pulverisette 19 processes the whole sample by initially grinding the material in the pulverisette 25. The ground sample then enters a funnel where sample division takes place. The ratio is adjustable but the standard setting divides the sample in the ratio of 1 to 13.
Features of performance
- drastically reduced cleaning requirements
- suitable for extremely heterogeneous samples
- fully automatic, two-stage grinding
- sample extraction via cyclone separator to glass sample collection vessel
- convenient material feed facility
- removal of milling parts without tools
- minimal deadspace
- integrated sample exhauster with cyclone separator
- cooling throughout process
- high throughput
- process tolerates up to 30% moisture content in sample
Equipment
The cutting mill combination pulverisette 25 - pulverisette 19 offered in the pricelist under article number 19.5030.00 is a standard cutting mill combination system composed for universal applications. It consists of: Power Cutting Mill with 2 litres funnel, Universal Cutting Mill, interposed sample divider, underframe and sample exhauster with cyclone separator, inclusive hardmetal tungsten carbide cutting tool sets and sieve cassettes.
The cutting mill combination pulverisette 25 - pulverisette 19 is also available in other configurations and can be fitted with any accessory that is available for the Power Cutting Mill pulverisette 25 and the Universal Cutting Mill pulverisette 19. These accessories can be found in the appropriate individual leaflets.
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| Specifications |
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Electrical details:
400V/3~
Frequency:
50-60 Hz
input power:
6340 W
Working Principle:
cutting
Materials of the grinding parts:
Tool steel, hardmetal tungsten carbide
grinding parts:
cutting rotor
Rotor speed:
2800 rpm
Max. feed size depending on the material:
120 x 85 mm
max. throughput depending on the material and sieve size:
60 l/h
sieve inserts:
0.25 - 6 mm
Over All Dimensions (WxDxH):
On stand: 62x82x145 cm
Weight net: 214 kg
Weight gross: 244 kg
suitable for the following sample materials
medium-hard, brittle, tough, fibrous
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