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Jet Mills (Fluid Energy Mills)

Jet Mills (Fluid Energy Mills)
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The NSIE Jet Mill is our response to meeting industry demands for constant improvement in processing technology. Utilizing a unique fluid energy grinding system to generate particle on particle impact, the Micronizer grinds and classifies powders to micron and sub-micron size in single operation, in a single grinding chamber.

Jet Mill is used for micronizing of solids of agro-chemicals, chemicals, pigments, minerals. Pharmaceuticals, thermoplastics and other heat sensitive, corrosive and abrasive materials.

Jet Mills Jet Mills operate in compressed air, gas, nitrogen or high pressure superheated steam. These mills have no moving parts and thereby eliminating contamination due to contact with external grinding media. Also on attritional heat is generated during grinding process hence suitable for heat sensitive, waxy substances and low melting point materials are easily micronized.

Jet Mills Jet Mill works on micronizing of products using compressed air instead of mechanical impacts due to which the micro size is very fine. Micro milled products are obtained in microns after the material collide with each other and reduce themselves by attrition and collision.

Product Details :
MaterialStainless Steel
Voltage220 - 380 V
Frequency50 - 60 Hz
GradeSS 304, 316
Model RangeNJM - 200 to NJM - 750
Capacity22 -720 Kg/Hr

Unique design to micronize wide range of dry solids material very economically and efficiently. Particle collide each other without any moving parts, which results absolute productivity and negligible maintenance. Provided with interchangeable liners. Designed for easy dismantle and quick reassemble for cleaning and for material change. Compact design requires less floor space.

Micron size particles improve product quality to great extent as compared to mesh particle in terms of efficiency, dispersions, behavior and intimate blends of different material. It is due to increase in number of particles and surface area. It also increases suspensibility, dispersion rate, surface area of particle and bulk density.

Simple modular design allowing easy access to internal parts that are mechanically polished to 320-360 grit finish. The main milling chamber is mounted on stand with all the process pressure regulators, gauges and controls valves to monitor pressure across the filters are mounted in the front panel of the chamber so as to have ease of user friendly operations. The Jet Mill disassembles easily for perfect cleaning of components and fast changeover, without risk of cross contamination.

The mills are supplied with a wide range of auxiliary equipment for feeding, conveying, classification to product collection.

  • Stainless Steel
  • UHMWPE (Ultra-High Molecular Weight Polyethylene)
  • Polyurethane or Vulcanized Rubber
  • Alloy Steel
  • Aluminum Oxide
  • Silicon Carbide
  • Tungsten Carbide

The particle distribution is controlled by adjusting pressure and feed rate. The particles are trapped by specially designed cyclone separator and dust collector.

The particle size distribution is controlled by adjusting pressure and feed rate. The particles are trapped by specially designed cyclonic separator and finger-bag made of non-woven PTFE coated cloth without risk of fibre contamination.

The micronizing of the powder improves absorption capacity of the drugs in the human body. This also results in new and unusual chemical and physical properties relating to suspendability, solid-state reaction rate, texture, colour, absorption etc.

The surface area achieves increase in potency of drugs, which reduces the dosage of the drugs. Product of 30 mesh size when jet milled to 5 micron, has more than 160,000 particles & surface area increases more than 115 times. This results into faster reaction time for chemicals, faster ignition time in the case of solid fuels of rockets. The Jet Milled pesticides & herbicides cover much more surface area using less of the active ingredients, thus reducing the cost. The polishing powders used for polishing the lenses, computer hard disc or in toothpaste are required to be a narrow particle size distribution for maximum productivity. The abrasives used in these polishing powders are very precisely milled.

Any cosmetic product requiring silky smoothness in application can be achieved in Jet Mill. The reflectivity of light occurs when the particle size of the pigment approaches a precise relationship to the wavelength of visible light. Therefore by controlling the particle size, the product quality & its brilliance can be ascertained.

Jet Mill versions are sanitary, Indian FDA and US-FDA accepted designs, in line with GMP practices and in accordance with all pharmaceutical specifications worldwide. The Jet Mills manufactured by us have replaceable internal rings with optimized grinding angles for various products. The design & construction of Jet Mills are the result of many years of dependable, uninterrupted service.

  • Simple, straightforward design with no moving parts.
  • Efficient, effective one-step grinding and classifying operation.
  • Engineered for easy access.
  • No heat from grinding
  • No media contamination
  • No lubrication contamination
  • Variety of available liners to prevent contamination and resist abrasion.

Jet Mill are used in industries like Agro chemicals, Chemicals, Pharmaceuticals, Ceramics, Metals, Minerals, Paints, Plastics and others like Food Colours, Fuller Earth, Toner, Wax, etc.

Processes materials susceptible to oxidation or explosivity easily adapts to inert gas and super-heated steam operations.

Jet Mills

Agrochemicals BHC, DOT, Deltamethrine, Carbendezirn, Carbaryl, Germicide, Herbicide, Fungicide, Sulphur etc.
Chemicals Adipic acid, Barium titanate, Calcium chloride, Chrome oxide, Catalysts, ICC etc.
Ceramics Aluminium hydrates. Silicon carbide. Ferrites, Glass, Zirconium oxide etc.
Metals Molybdenum disulphide, Noble metal, Copper etc.
Minerals Gypsum, Graphite, Mica, Talc, Tentalum ore etc.
Paints Carbon black, Fluorescent pigments, Printing ink etc.
Pharmaceuticals Albendazole, Antibiotics, Aspirin, Cosmetics, Bulk drugs, Dichlofenac sodium, Glybeneclamide, Furosemide, Omeprezole, Oxfendazole etc.
Plastics ABS resins, PVC stabilizers, Phenolics, PTEF etc.
Others Asbestos, Chocolate, Food colours, Fuller earth, Precipitated silica, Silverflake, Toner, Wax, Wolframite ore etc.

S.No. Model Air Compressor KW rating at Pr. 7Kgf/cm2 Air (M3/Hr) FAD Capacity Kg/Hr (Approx.) Approximate space required for mill at bagging ht. = 1000mm L x B x H (mm)
1. NJM - 200 30 215 22 3000 x 1000 x 2000
2. NJM - 250 37 340 40 4000 x 2000 x 4000
3. NJM - 300 45 450 65 4500 x 2000 x 4000
4. NJM - 400 56 650 100 5000 x 2000 x 4000
5. NJM - 450 90 900 160 5000 x 2000 x 5000
6. NJM - 500 112 1100 210 5000 x 2000 x 5000
7. NJM - 600 187 1800 400 5000 x 3000 x 6000
8. NJM - 750 337 2900 720 6000 x 3000 x 7500

  • Production capacity, fineness and KW of motor are nominal only and vary from case to case depending upon the several factors.
  • Specifications and design are subjected to change without notice.
  • Different design can be offered for different applications
  • Average feed size of materials is 200 mesh with operating pressure in between 7 - 8 kg/cm2, but results widely depend on the material characteristic.

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