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Sigma Mixer Machine

High viscose Mixer

Double Arm Kneader Mixers

All double arm kneader mixers are equipped with two mixing blades placed in a W-shaped horizontal trough. Various blade profiles have evolved, each of which is best suited for a particular type of application. The commonly used blade types are the sigma blade, masticator blade, shredder blade, naben (aka fishtail) blade, and spiral blade. The rotation of the blades is either tangential to each other or the blades may overlap within the trough. The blades rotate toward each other at the same or differential speeds. The blades pass the container walls and each other at close clearances (2-3 mm) resulting in homogenous mixing. The close clearances produce very high shearing action thereby reducing any large particles. These mixers produce a consistent particle size distribution without the need for additional high speed choppers. Homogenous mixing is achieved within 10 to 30 minutes. Mixing homogeneity upto 99% and better can be achieved using the double arm kneader mixers. These mixers and their variants (double arm kneader mixer extruders) are capable of handling material with viscosities as high as 10 million centipoises. The power consumption in double arm kneader mixer is very high compared to other types of mixers and can range from 45 to 75 kW/m3 of mix material. The sigma blade mixer is the most commonly used type of double arm kneader mixer, and is best suited for all round use.

Sigma Mixer machine

Sigma Blade Mixer In mixers handling very viscous materials, it is necessary to promote both lateral and transverse motion of the material. The geometry and profile of the sigma blade is designed such that the viscous mass of material is pulled, sheared, compressed, kneaded, and folded by the action of the blades against the walls of the mixer trough. The extent to which this happens depends on the action of the blades – tangential or overlapping and the ratio of the speed of rotation of the blades.The helix angle of the blade can be modified depending on the required shearing.

Operation of Sigma Blade Mixer

In operation, material is loaded through the top of the container to typically 40 to 65 percent of the mixer’s total volumetric capacity. The rotation of the blades is through heavy duty drive systems typically consisting of a motor, gearbox, couplings, and gears. The tip speed of the sigma mixer is generally limited to 60 metres per minute. Mixing may be carried out at ambient temperature or under controlled temperature conditions. The mixer troughs can be provided with jackets for circulation of hot or cold media to maintain the required temperature conditions within the mixer. The discharge of the material from the mixer container is either by tilting of the mixer container, bottom discharge valve (see figure 5), or through an extruder / screw located in the lower portion between the two trough compartments. The mixer may be equipped with any one of these discharge arrangements. The tilting discharge arrangement is most common. The tilting arrangement of the container may be designed for manual operation or may be mechanized using motorized or hydraulic arrangement.

Operation

The liquid to be filtered is passed into the vessel by means of the pump or other external means. The liquid then passes through the top of the filter plates from the holes provided at the side of the plate and onto the filter media. The liquid flows simultaneously and individually through all the member plates. Hence the output of the filter depends on the diameter and the number of plates. The filter media then retains the impurities in the liquid and the filtered liquid passes through the central channel to the outlet at the bottom. The filters are optionally available with steam jacket for filtration of difficult liquids that solidifies at lower temperatures. These types of filters are generally used for obtaining clear filtrate, but it can also be used to obtain the cake that is retained on the filter media, between the plates.

zero-hold-up-filter-press
zero-hold-up-filter-press

Salient Features

  • The complete filter plate is manufactured by cold process.
  • The sealing of the filter plate is done by the spinning process for better sealing.
  • The cartridge assembly is provided with ‘T’ type side bolts for longer life.
  • The filters are provided with gear/centrifugal/lobe pumps fitted with mechanical seals as per requirement.
  • Optionally available with steam jacket for heating of liquids at the time of filtration.
  • The complete constructions is as per GMP specifications..

Plate and Frame Filters Press

The plate and frame type filter press is highly suitable for the filtration of viscous products and for large volume filtration. The filter press consists of a number of rectangular plates and frames arranged vertically one after the other and supported by two side tie bars.

The filter media is sand witched between the plates and the frames. It is available in various sizes and number of plates. The filter press is provided with a mechanical closing system and two end plates.

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Zero Hold Up filter Press

Zero Hold Up filter Press

Zero Hold Up filter Press

sigma mixer

Sigma Mixer

Sigma Mixer

Z artm mixer

Z arm Mixer

Mixer

Sigma Mixer

Sigma Mixer Kneader

Sigma Mixer Kneader

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Lab Sigma mixer

Lab Sigma Mixer

Lab Sigma Mixer

Sigma Mixer

Double Arm Sigma Mixer

Double Arm Sigma Mixer

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We have vast range of Product portfolio like Pharmaceutical Machinery, Chemical Machinery, API and Bulk Drug Manufacturing Plant.

Zero Hold up Sparkler filter press

Sparkler Filter Press

Zero Hold up Sparkler filter press
Zero Hold up Sparkler filter press

Sparkler Filter Press

Zero Hold up Sparkler filter press
Zero Hold up Sparkler filter press

Sparkler Filter Press

Zero Hold up Sparkler filter press
Zero Hold up Sparkler filter press

Sparkler Filter Press

Zero Hold up Sparkler filter press
Zero Hold up Sparkler filter press

Sparkler Filter Press

Zero Hold up Sparkler filter press
Zero Hold up Sparkler filter press

Sparkler Filter Press

Zero Hold up Sparkler filter press
Zero Hold up Sparkler filter press

Sparkler Filter Press

Zero Hold up Sparkler filter press
Zero Hold up Sparkler filter press

Sparkler Filter Press

Zero Hold up Sparkler filter press