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For batch-wise or continuous fine grinding of hard-brittle to medium-hard solids.
Areas of application
Mining and metallurgy, ceramics industry, rocks and soils, glass industry, soil research
Method of operation
The grinding material is comminuted by pressure and shearing loads between two counteracting grinding disks with coarse interlocking teeth. The gap between the two grinding disks can be adjusted externally - even during operation - and determines the fineness of the end product. Pre- and fine crushing is also possible in one step, because the Disk Mill PULVERISETTE 13 can be combined with the Jaw Crusher PULVERISETTE 1. Additional information about the instrument combination:
Jaw Crusher PULVERISETTE 1 and Disk Mill PULVERISETTE 13
Features overview
High throughput up to 150 kg/h
Fine grinding down to 0.1 mm
Fast, easy cleaning
Simple operation
Fast grinding disk change
Precision setting of the final fineness even during grinding
High service life due to generously dimensioned bearings
Combinable with the Jaw Crusher PULVERISETTE 1
Certified safety (CE mark)
2-year warranty
Equipment
The standard equipment delivered with the Disk Mill PULVERISETTE 13 does not include grinding disks. Grinding disks are offered in 4 different materials and must be ordered as accessories.
Especially for iron-free grinding, the Disk Mill PULVERISETTE 13 can be ordered with a complete polymer coating inside of the grinding chamber. The polymer coating has to be ordered separately order no. 13.1090.16
| Voltage/connection values: | 400V/3~ * |
| Frequency: | 50-60 Hz * |
| Input Power: | 1830 W * |
| Working principle: | Shearing |
| Bearings: | Needle and double row angular contact ball bearings |
| Grinding parts: | Fixed and movable grinding disk |
| Materials of the grinding parts: | Hardened cast steel, manganese steel, hardmetal tungsten carbide, zirconium oxide |
| Rotor speed: | 440 rpm |
| Feeding: | Batchwise/ continuous |
| Max. feed size: (depends on material) | 20 mm |
| Min. sample quantity: | 20 - 30 ml |
| Max. throughput: (depends on material) | 150 kg/h |
| Final fineness: | 0.1 - 12 mm |
| Dimensions: (W x D x H) | Bench top instrument 44 x 87 x 40 cm |
| Weight: | 140 kg |
| *Additional voltages available upon request |
Suitable for the following material samples
hard-brittle and medium-hard solids
Accessories
Please note: For this FRITSCH model, you require at least one fixed and one movable grinding disk of your choice. The grinding disk material must also be harder than the material to be ground. In normal cases, the grinding disks are made of the same material.
Grinding disks
Accessories for iron-free grinding
Dust exhaust system
Accessories for continuous operation
Grinding set selection aid for the PULVERISETTE 13
Material data for fixed and movable grinding disks
| Material | Main component of the material | Density g/cm³ | Abrasion resistance | Used for grinding material |
| Hardened cast steel | Cr - Fe | 3.85 | Good | Hard, brittle samples |
| Manganese steel | Mn - Fe | 7.9–8 | Good | Very hard, brittle samples |
| Hard metal tungsten carbide | WC | 14.05 | Very good | Very hard, abrasive samples |
| Zirconium oxide ¹ | ZrO2 | 6.0 | Good | Medium-hard, brittle samples, iron-free grinding |
1)Grinding disks of zirconium oxide are only suitable for grinding ceramic materials, minerals, etc. and never for hard-tough samples, such as metals.
Achieve high final finenesses in a very short grinding time:
Below are examples listed – always in reference to 1 kg feed quantity and 20 mm particle size and
arranged by material types from hard to medium-hard.
Orientation guide for materials and instruments settings
| Material to be ground | Grinding time | Gap setting | Fineness (µm) | Throughput | |
| (min) | (mm) | 90% < x | 50% < x | (kg/h) | |
| Basalt | 2.1 3.5 |
1.0 0.1 |
220 |
600 60 |
28 17 |
| Clinker | 2.0 10.0 |
0.5 0.1 |
900 220 |
450 60 |
30 6 |
| Slate | 1.4 2.2 |
1.0 0.1 |
300 |
1500 90 |
45 27 |
| Hard coal | 3.5 13.5 |
1.0 0.1 |
250 |
800 100 |
17 4 |
| Limestone | 2.0 6.3 |
1.0 0.1 |
1000 210 |
420 100 |
30 10 |
| Thomas meal (potash) | 1.3 2.3 |
1.0 0.5 |
1000 350 |
350 150 |
45 36 |
| Pumice stone | 3.5 5.0 |
0.5 0.1 |
600 150 |
250 30 |
17 12 |
| Glass | 2.5 3.3 3.8 |
3.0 2.0 1.0 |
4000 2500 1400 |
2240 1600 800 |
25 18 16 |
The indicated results are to be considered as an orientation guide, since the chemical and physical properties (e.g. residual moisture, morphology, etc.) can vary even with the same material to be ground.
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