Assessing stress conditions and impact velocities in fluidized bed
Batch experiments were performed in a customized lab-scale fluidized bed opposed jet mill (AFG 100, Hosokawa Alpine, Augsburg, Germany) (Koeninger et al., 2018a). The mill comprised a cylindrical milling chamber with an inner diameter of 100 mm in which pressurized air was introduced through three Laval nozzles (having exit …
Lithium Carbonate Milling | Hosokawa Micron Powder Systems
ULTRA-FINE MILLING DOWN D50 < 1.5 μm WITH THE AFG MILL. Alpine® AFG Fluidized Bed Jet Mill. The Alpine AFG Fluidized Bed Jet Mill uses a set of nozzles to accelerate compressed gas to the center of the grinding chamber. Lithium feed materials become entrained in the gas stream and collide resulting in particle-on-particle size …
Alpine AFG Fluidized Bed Opposed Jet Mill
The Alpine AFG Fluidized Bed Opposed Jet Mill is suitable for ultra-fine size reduction of many materials. Compressed gas is accelerated through a series of nozzles at extremely high velocities. Particles are drawn into the gas streams and are ground via inter-particle collisions. The AFG is equipped with a dynamic deflector-wheel air ...
HOSOKAWA ALPINE Aktiengesellschaft ALPINE …
AFG – ALPINE FLuIDISED BED OPPOSED JET MILL A quANTuM LEAP IN PROCESS TECHNOLOGY Milestones in the AFG history: - 1981 Market launch - 1983 AFG with multi-wheel classifier, 3D nozzle arrangement and bottom nozzle - 1985 N 2 circuit gas with load cells - 1986 AFG for low-pressure operation
ALPINE fLuIdIsEd bEd oPPosEd jEt mILL
The fluidised bed opposed jet mill: several gas jets intersect at the speed of sound in the centre of a chamber. Powder particles suspended in a fluidised bed become entrained in the gas jets and are accelerated. The particles impact against each other in the focal point of the gas jets and are thus comminuted. because powder particles
Modelling fine grinding in a fluidized bed opposed jet mill
Experiments have been performed using an Alpine 100 AFG air jet mill which is specifically designed for continuous grinding. As shown in Fig. 1, the grinding chamber is cylindrical with a conical bottom and made of stainless steel covered with Vulkollan elastomer.The diameter is 100 mm and the volume is 800 cm 3.Particles to be …
Alpine Fluidized Bed Jet Mills for Toll Processing
Alpine Fluidized Bed Jet Mills for Toll Processing. The jet mills at Hosokawa's tolling facility are capable of ultra-fine milling of chemicals and minerals down to D97 < 3 µm. The Alpine AFG was designed to process abrasive and hard materials with a Moh's hardness of 10. Hosokawa's jet mill can also process heat sensitive materials ...
What Is Jet Milling and How Does It Work?
Fluidized bed opposed jet mills are also suitable for hard products such as minerals, glass or ceramics. Temperature-sensitive products such as toner or wax can also be ground with them. EPIC Powder offers two different fluidized bed opposed jet mills: The MQW is a fluidized bed opposed air mill with an integrated high-performance classifier ...
Jet mill working principle
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Used Jet Mill Hosokawa for sale. Alpine equipment & more …
Hosokawa Alpine 800/3 AFG Fluidized bed Jet Mill Mild Steel 720-25. used. Manufacturer: Alpine; Used Hosokawa Alpine 800/3 AFG, fluidized bed opposed jet mill. Mild steel, (3) 50 hp motors, 3 PH 60 Cy 460 volts (4) grinding nozzles. Nominal air flow rate. Nm3/H8400. Includes Mikropul Cyclone model V/EE ...
Fluidized Bed Jet Milling for Economical Powder Processing
Fluidized bed jet mills offer reduced manufacturing costs, product purity and quality to processors of rare earths and ceramic powders. ... brochure: Alpine® Spiral Jet Mill 50 AS Demo video Demo video: Hosokawa Alpine AFG Fluidied Bed Jet Mill webinar webinar: Jet Milling Technology 101 brochure brochure: Pharma Lab Mill System With Spiral ...
Modelling fine grinding in a fluidized bed opposed jet mill
An overall model of a continuous grinding process is proposed which combines experimentally-determined breakage kinetics, a model of solids flow in the active zone and the grade efficiency curve of the classifier. This model is developed and tested for an Alpine 100 AFG fluidised bed opposed jet air mill with an integral classifier.
Alpine AS Spiral Jet Mill – Hosokawa Micron Powder Systems
The Alpine AS Spiral Jet Mill is designed for the micronization of pharmaceuticals and certain chemical powders. Material is injected into the grinding zone by gas nozzles. ... Alpine AFG Fluidized Bed Opposed Jet Mill. Alpine TDG/TTG Twin Turbo Opposed Jet Mill. Alpine TFG Fluidized Bed Jet Mill. LET'S TALK. about what we can do together.
Alpine® Spiral Jet Mill 50 AS – Hosokawa Micron Powder Systems
The 50 AS is ideal for the ultrafine comminution of dry substances with a crystalline structure to a Mohs' hardness of 3, whereby particle sizes in the range between 5 microns and 30 microns are achieved. The 50 AS is universal in use and is eminently suitable for the processing of numerous pharmaceutical substances including parenterals ...
TDG
The TDG product line is a technically enhanced variant of the fluidised bed opposed jet mill with new double flooded classifying wheel, based on Vorced Fortex Technology. This results in highest fineness values or a throughput increase at identical fineness and higher air flow rate. ... Hosokawa Alpine AG Peter-Doerfler-Str. 13 – 25 • 86199 ...
Jet mills : what is it ? How jet milling works
Fluidized bed jet mills; Flat / circular jet mills without an air classifier; 2.3.1 Fluidized bed jet mills. Those mills are equipped with vertical, cylindrical, milling chamber in which the material is introduced at the middle of the chamber, and the grinding gas injecting a …
Alpine TDG/TTG Twin Turbo Opposed Jet Mill
Jet mills are impact mills which are used to achieve maximum fineness values. Such particle sizes can only be obtained in connection with an air classifying step. Spiral jet mills have a static air classifier integrated into …
ALPINE 100 AFG Fluidized Bed Opposed Jet Mill for Sale
Used Alpine fluidised bed opposed jet mill, model 100 AFG, stainless steel construction, 100 mm diameter chamber, 3 nozzles, nominally rated 30 scfm, with 1 kw classifier wheel, model GAZ180 cyclone, 180 mm diameter, type SF 1.6 pulse jet dust collector, Ktron volumetric feeder with with 1.45 kw motor, 3 kw blower, mounted on common base with …
HOSOKAWAMICRON CORPORATION
Hosokawa introduced the fluidized bed opposed jet mill onto the market in 1981, revolutionizing the sector of jet milling. Since then, almost 1000 systems with fluidized bed opposed jet mills have been delivered for an enormous variety of different applications, and Hosokawa's fund of know-how in this field is correspondingly immense.
Eulerian Multiphase Simulation of the Particle Dynamics in a Fluidized …
The compressible and turbulent gas–solid multiphase flow inside a fluidized bed opposed jet mill was systematically investigated through numerical simulations using the Euler–Euler approach along with the kinetic theory of granular flow and frictional models. The solid holdup and nozzle inlet air velocity effects on the gas–solid dynamics were …
(PDF) CFD simulation and experimental analysis of flow …
The current study focuses on the flow dynamics of solid–gas phases during fine grinding in a jet mill using Computational Fluid Dynamics (CFD) technique. A 3D jet milling model is developed considering a typical opposed fluidized bed air jet mill (Alpine 100AFG) and simulated using FLUENT. 2. Modeling of jet mill 2.1.
AFG Fluidised Bed Opposed Jet Mill | Hosokawa Micron Ltd
The AFG Fluidised Bed Opposed Jet Mill from Hosokawa revolutionised jet milling when it was introduced in 1981, and this iconic piece of processing equipment for ultrafine milling has been going from strength-to-strength ever since. There are now more than 1,000 examples in circulation globally, across diverse manufacturing industries, which ...
ALPINE 200AFG Fluidized Bed Opposed Jet Mill …
ALPINE 200AFG Fluidized Bed Opposed Jet Mill: Model #: 200AFG: Serial #: N/A: Year Built: 0: Location: New Jersey: Price: $49,200.00: Description. Used Alpine Model 200AFG Carbon Steel Fluidized Bed …
Alpine Fluidised Bed Opposed Jet Mill, Model 100 AFG
Refurbished Alpine fluidised bed opposed jet mill, model 100 AFG, stainless steel construction, 100 mm diameter chamber, 3 nozzles, nominally rated 30 scfm, with 1 kw classifier wheel, model GAZ180 cyclone, 180 mm diameter, type SF 1.6 pulse jet dust collector, Ktron volumetric feeder with with 1.45 kw motor, 3 kw blower, mounted on …
CFD simulation and experimental analysis of flow
Alpine 100AFG fluidized bed air jet mill is considered for the study and the jet milling model is simulated using FLUENT 6.3.2 using a standard k-ε model. The model is developed in GAMBIT 2.3.16 and meshed by tet/hybrid (T-Grid) and Triangular (Pave) meshes. The effects of operating parameters such as solid feed rate, grinding air …
Opposed jet mill
Find out all of the information about the HOSOKAWA ALPINE product: opposed jet mill AFG. Contact a supplier or the parent company directly to get a quote or to find out a …
Jet Milling Technology 101 – Hosokawa Micron Powder Systems
Jet Milling Technology 101: Basics of Particle on Particle Milling. Jet Mills are often used in fine size reduction applications of hard or abrasive materials down to D97 > 2 µm or when high purity and minimal contamination is required. There are many specialized variation of 'The Jet Mill' that include fluidized bed jet mills, spiral jet ...
CGS 10 and 16 Fluidized Bed Jet Mill
Technique. Finenesses from d 97 2.5 µm to d 97 70 µm (based on limestone); Air jet mill for the ultra-fine grinding of soft to the hardest of materials, in a fluidized bed; Exactly defined maximum particle sizes through an integrated, dynamic air classifierVortex free fines outlet with expansion chamber to reduce circumferential speed and wear as well as …
FLUIDIZED BED JET MILL
I claim 1. A jet mill for comminuting or grinding granular materials by inter-particle impact, comprising a grinding chamber containing a bed of granular material to be disintegrated, means for supplying granular material to the grinding chamber to maintain the bed, an upwardly directed nozzle means located in the lower portion of the chamber for delivering …
Alpine TFG Fluidized Bed Jet Mill – Hosokawa Micron …
The Alpine TFG Fluidized Bed Jet Mill was developed especially for fine grinding toner. A steep particle size distribution with clean-cut top size particles and a low fines portion characterize this mill. Thanks to its high …