Syklonmølle TWISTER

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The cyclone mill TWISTER is specially designed for the processing of foods and feeds for subsequent NIR analysis. The optimized form of rotor and grinding chamber generates an air jet which carries the ground sample through the integrated cyclone into the sample bottle. The air jet prevents the material from heating up, thus preserving the moisture content.

The provided sieves guarantee an optimum particle size distribution so that it is not necessary to recalibrate the NIR spectrometer. The rotor speed can be adjusted in 3 steps allowing for perfect adaptation to the sample requirements. Cleaning the mill is quick and easy as the air jet effects a complete discharge of the material from the grinding chamber.

This new cyclone mill in proven RETSCH quality optimizes the reproducible sample preparation to NIR analysis thus allowing for meaningful and reliable analysis results.

Brukseksempler

farmasøytiske produkter, forpellets, høy, kornprodukter, mais, pasta, ris, soya, tobakk, ... continue to application database

Fordeler

  • ideal for grinding feeds, grains, forage and other similar products
  • 3 controlled speeds
  • cyclone separator with 250 ml collecting bottle for quick extraction of sample
  • no cross contamination thanks to easy cleaning
  • convenient operating panel
  • robust industrial motor 900 W with long lifetime

Egenskaper

funksjon nedmaling før NIR-analyse
bruksområde landbruk, matvarer / fôr, medisin / legemidler
matemateriale fibrøs, mykt
nedmalingsprinsipp sammenstøt, friksjon
matestørrelse* < 10 mm
sluttfinhet* < 250 µm
prøvevolum* < 250 ml
innstilling av turtall 10,000 / 12,000 / 14,000 min-1
rotorens perifere hastighet 52 / 62 / 93 m/s
Rotordiameter 98.5 mm
siktestørrelser 1 mm / 2 mm
drift serieviklet motor
drivkraft 900 W
Elektriske tilkoblingsdata ulike spenninger
Nettilkobling 1-fase
b x h x d lukket 449 x 427 x 283 mm
nettovekt 14 kg
Normer / standarer CE

Please note:
*avhengig av matemateriale og apparatkonfigurering /apparatinnstillinger

Virkemåte

In the cyclone mill TWISTER size reduction is effected by impact and friction between the rotor and the friction surface of the fixed grinding ring. The feed material passes through the hopper (with splash-back protection) onto the rotor which is rotating with high speed and is thus submitted to preliminary size reduction. The sample is then thrown outwards by centrifugal acceleration and is pulverized between rotor and grinding ring. The 2-step grinding ensures particularly gentle but fast processing. The feed material only  remains in the grinding chamber for a very short time. The integrated cyclone provides cooling of the sample and the grinding tools. This guarantees preservation of the sample properties to be determined. The ground material is separated in the cyclone and collected in a sample bottle.

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