The Alpine AFG Fluidized Bed Opposed Jet Mill is a high-quality impact mill designed to achieve a high level of fineness through the uses of its opposed gas jets. It is capable of fine grinding down to a fineness of D97 = 2 µm.
Batch grinding experiments were performed in a modified lab-scale fluidized bed opposed jet mill (AFG 100, Hosokawa-Alpine AG, Germany) [4]. A sketch of the mill is depicted in Fig. 1. The three grinding nozzles (inner diameters of 1.9 mm), arranged at the bottom of the grinding chamber, provide the energy for the comminution process.
Hosokawa/Alpine fluidized bed opposed jet mill AFG has become a standard the world over for ultrafine grinding. Employment of a multi-wheel classifier in the AFG jet mill allows high fineness values at high throughput rates to be …
The Alpine AFG Fluidized Bed Jet Mill is suitable for fine and ultrafine size reduction of any material up to a Moh's hardness of 10 that can be fluidized by the expanded compressed gas …
The AFG Fluidised Bed Opposed Jet Mill is extremely flexible and may be tailor-made and adapted to meet customer requirements. Suitable for use as part of complex multi-process systems, it can be easily integrated into a sterile isolator, for example, if the processing requires a containment element, or can be partnered with several classifier mills from Hosokawa's …
In this study the dynamic grinding process in a lab-scale fluidized bed opposed jet mill was investigated whereby special attention was paid to the three involved unit operations, namely comminution, transport and classification. ... The Alpine fluidised bed opposed jet mill: a case history. Powder Handling Process., 3 (1991), pp. 129-132. View ...
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
A methodology for characterising grinding kinetics is developed based on a new criterion, `the residual fraction' to represent the performance of a grinding process. This is applied to pseudo-batch grinding of hydrargillite in a fluidised bed opposed jet mill Alpine 100 AFG. It appears to give an adequate representation and a simple mathematical expression for the …
Jet milling with the Alpine fluidized bed opposed jet mill AFG. Fig.1 100AFG. For materials with a Mohs' hardness up to 10. Fineness values of d 97 = 2 to 40 µm. ... 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 ...
Alpine 100AFG fluidized bed air jet mill is considered for the study and. This paper presents a three dimensional Computational Fluid Dynamics (CFD) model to investigate the flow dynamics of solid-gas phases during fine grinding in an air jet mill. Alpine 100AFG fluidized bed air jet mill is considered for the study and
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 ground are fed into the …
jet mill technology, sub-micron grinding is achieved. CR wheels are made by.
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 common base with controls and vfd …
The Alpine product line offers a variety of technologies for both wet and dry processing. Known throughout the world for its superior engineering and craftsmanship, the Alpine brand of products is preferred by many leading pharmaceutical and chemical producers. Product leaders include the Alpine® Fuildized Bed Jet Mill, the Alpine® Contraplex CW and the Alpine…
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 precision of cut, the TFG classifying wheel with its support wheel makes an exact top-size limitation and a reduction of ...
Technique. Finenesses from d 97 < 2 µm to d 97 70 µm (based on limestone); Air jet mill for the ultra-fine grinding of soft to hard materials in a fluid bed; Newly developed grinding methods e-Jet ® and s-Jet ® (patent pending); Exactly defined maximum particle size through integrated dynamic air classifier; Vortex free fines outlet with expansion chamber to reduce …
The Alpine Fluidised Bed Opposed Jet Mill with integrated classifier permits contamination-free grinding of very hard materials to ultra high fineness.
Hosokawa Alpine offers three different fluidised bed opposed jet mills: The TDG is a fluidised bed opposed jet mill with integrated high-performance classifier. With this system, Hosokawa …
opposed jet mills achieve extremely fine particle sizes – regardless of the hardness: even diamonds with a value of 10 on the Mohs' scale can be efficiently comminuted. developed by …
Find your fluidized bed mill easily amongst the 6 products from the leading brands (Schule, ALPA, Hosokawa, ...) on DirectIndustry, the industry specialist for your professional purchases. ... Fluidized Bed Opposed Air Jet Mill: ... easy by the hinge-back and removable classifier top section and the inspection deck in the mill housing As ALPINE ...
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 mills, opposed jet mills. This webinar will discuss…
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The Alpine AFG Fluidized Bed Jet Mill is suitable for fine and ultrafine size reduction of any material up to a Moh's hardness of 10 that can be fluidized by the expanded compressed gas in the grinding chamber. The addition of an internal forced vortex classifier is capable of controlling particle top sizes (D97) as…
HCPS has multiple Alpine AFG Fluidized Bed Opposed Jet Mill Systems available for processing various Chemical and Mineral materials. These systems are suitable for ultra-fine size reduction of materials with a Moh's hardness of up to 10. The principle of operation of these jet mills consists of compressed gas that is accelerated through a ...
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. The classifier appears to have a …
The Alpine AFG Fluidized Bed Jet Mill is suitable for fine and ultrafine size reduction of any material up to a Moh's hardness of 10 that can be fluidized by the expanded compressed gas …
Fluidised bed opposed jet mill for manufacturing powders with a steep particle size distribution and sharp top size limitation in the range < 5 µm to 200 µm. Grinding nozzles arranged around the periphery of the grinding chamber. Classifying wheel(s) arranged horizontally in the classifier top section. Cool and contamination-free grinding.
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 ...
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. …
Fluidized bed opposed jet mills are used for the industrial production of talcum powder, a lamellar structure magnesium phyllosilicate. The first stage of grinding of mineral from the quarry is done by rotating pendular mills to about 50 μm which feed fluidized bed opposed jet mills to give a final product characterized by particle size and whiteness.
Alpine Aktiengesellschaft: Fluidized bed jet mill US5421524A (en) * : : Tioxide Group Services Limited: Method of milling ... Fluidized bed jet mill and process for comminuting of silicon US20070292577A1 (en) * : : Kopp Gabriele M: Process for Milling Cocoa Shells and Granular Edible Product Thereof ...
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 22/87.
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 diameters of 2.4 mm ...
Fluidised bed opposed jet mill for manufacturing powders with a steep particle size distribution and sharp top size limitation in the range < 5 µm to 200 µm.
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 assessed …
