Unique Mixers & Furnaces Pvt. Ltd. Wagle Estate, Thane, Maharashtra

This article of details the design, construction and operation of V-Blender commonly used for mixing of free flowing powder materials. The industrial applications for which V-Blender is used are listed.V shaped mixing vessel mounted on trunions that allow the blender to tumble end over end. The mixing vessel is built using two hollow cylindrical shells that are joined at an angle of 75° to 90°.

The Squeeze Roller formed from stainless steel shafting lined with Food Grade Silicone Rubber for maintaining Caramel Sheet thickness.  

The success story of ‘Unique’ is linked with the number of Sigma Mixers manufactured till date.  The picture above shows 8 Sigma Mixers in manufacture, nearing readiness of capacity ranging from 3 Liter Working to 1000 Liter Working (standard models available upto 3000 Liter Working, Higher Models manufactured on request). ‘Unique’ manufactures these Mixers in GMP (for Food, Pharma and Exports), Conventional Construction.  Mixers are further designated under Light, Medium, Heavy Duty applications.  Radiographic Quality Blade Castings supplied for Space, Defence application.  Mixers for vacuum application with Special Sealing Arrangement are offered.   For Product discharge Tilt, Bottom Discharge Arrangement offered.  Mixers generally are supplied with VFD Panels for process time optimization, drive safety.  Mixers offered in all grades of Stainless Steel, Carbon Steel, Wear Resistance Steel Contact Parts, Liner Plates.  For power consumption optimization, Helical Drive is offered.  Sturdy frame design leads to easy mobilization.  Special features in tune with process requirements are provided. ‘Unique’ on date is the country’s largest Sigma Mixer manufacturer.The success story of ‘Unique’ is linked with the number of Sigma Mixers manufactured till date.  The picture above shows 8 Sigma Mixers in manufacture, nearing readiness of capacity ranging from 3 Liter Working to 1000 Liter Working (standard models available upto 3000 Liter Working, Higher Models manufactured on request). ‘Unique’ manufactures these Mixers in GMP (for Food, Pharma and Exports), Conventional Construction.  Mixers are further designated under Light, Medium, Heavy Duty applications.  Radiographic Quality Blade Castings supplied for Space, Defence application.  Mixers for vacuum application with Special Sealing Arrangement are offered.   For Product discharge Tilt, Bottom Discharge Arrangement offered.  Mixers generally are supplied with VFD Panels for process time optimization, drive safety.  Mixers offered in all grades of Stainless Steel, Carbon Steel, Wear Resistance Steel Contact Parts, Liner Plates.  For power consumption optimization, Helical Drive is offered.  Sturdy frame design leads to easy mobilization.  Special features in tune with process requirements are provided. ‘Unique’ on date is the country’s largest Sigma Mixer manufacturer.The success story of ‘Unique’ is linked with the number of Sigma Mixers manufactured till date.  The picture above shows 8 Sigma Mixers in manufacture, nearing readiness of capacity ranging from 3 Liter Working to 1000 Liter Working (standard models available upto 3000 Liter Working, Higher Models manufactured on request). ‘Unique’ manufactures these Mixers in GMP (for Food, Pharma and Exports), Conventional Construction.  Mixers are further designated under Light, Medium, Heavy Duty applications.  Radiographic Quality Blade Castings supplied for Space, Defence application.  Mixers for vacuum application with Special Sealing Arrangement are offered.   For Product discharge Tilt, Bottom Discharge Arrangement offered.  Mixers generally are supplied with VFD Panels for process time optimization, drive safety.  Mixers offered in all grades of Stainless Steel, Carbon Steel, Wear Resistance Steel Contact Parts, Liner Plates.  For power consumption optimization, Helical Drive is offered.  Sturdy frame design leads to easy mobilization.  Special features in tune with process requirements are provided. ‘Unique’ on date is the country’s largest Sigma Mixer manufacturer.

The sigma mixer consists of a container assembly that includes a mixing vessel, a pair of sigma blades.The rotation of the blades is through a drive system that includes motor, gear reducer, couplings, gears, bearings and seals. The mixing vessel may be provided with external jacket for circulation of hot or cold media. The material is loaded into the mixing vessel from the top. The discharge of the material is either by tilting the mixing vessel, through bottom discharge valve, or through a discharge screw. If you are unable to view the video, Click Here Related Articles Specifications – Kneader Extruder Double Arm Mixer

This article details the design, construction and operation of  Sigma Mixercommonly used for mixing of high viscosity materials. The industrial applications for which Sigma Mixer is used are listed. Media : Solid Powders, Dough, Viscous Paste Mode of Operation : Batch Mixing Design and Operation Mixing Vessel - The sigma mixer consists of a W-shaped horizontal trough containing two sigma shape mixing blades rotating within. Mixer Blades - The clearance between the external periphery of the blades and the internal wall of the mixing vessel is generally in the range of 2 – 3 mm. The clearance may be higher depending on the properties of the materials being mixed.The two blades are positioned tangentially or may overlap each other.   In the tangential blade sigma mixer, the blades rotate in the mixing vessel meeting tangentially. The front blade generally rotates faster than the rear blade. The ratio of rotation speeds depends on the application. Tangential blade design is user for mixing of viscous materials.

Sigma mixer consist of two sigma shaped mixing blades positioned within in a ‘w’ shaped mixing vessel. The clearance between the blades and the vessel walls is low (~2 mm). The low clearances produces high shear and particle size reduction. Material is loaded into the mixer from the top of the vessel and discharged by tilting the container assembly. Sigma mixers are best suited for mixing, kneading of highly viscous mass, sticky and dough like products. Mixing of pastes, rubber, and heavy plastic masses. Applications in Food, Rubber, Pharmaceutical and Chemical industries. Dry powder to wet phase mixing

Nylon Scrapper with pressure adjustment provided for the removal of caramel sheet.  

silicone rubber. Mixing of tough masses such as rubber require special equipment such as kneaders. These mixers need to be robust in construction and consume high power.

A ribbon agitator consists of a set of inner and outer helical ribbons. During operation, the outer ribbon flights move the material from the vessel side wall to the center. At the same time, the inner ribbon flights move the material from the center to side walls. Radial movement is due to the agitator rotation. Blending of powders is achieved within 15 to 20 minutes of start-up with a homogeneity of up to 95 percent. If you are unable to view the video,

This article on Ribbon Blender Design details the design, construction and operation of Ribbon Blender commonly used for mixing of blending of free flowing powders. The industrial applications for which Ribbon Blender is used are listed. Media : Free flowing powders, granules Mode of Operation : Batch Mixing, Continuous Mixing Design and Operation Mixing Vessel – The ribbon blender consists of a U-shaped horizontal trough containing a double helical ribbon agitator rotating within. The clearance between the external periphery of the ribbon and the internal wall of the mixing vessel is generally in the range of 3 mm. The clearance may be higher depending on the properties of the materials being blended. Mixer Drive System - The ribbon blender is powered by a drive system comprising of a motor, gearbox, couplings and/or chain-chain wheel. Mixer Seal - The blender shaft is provided with an appropriate sealingarrangement in the area where it exits the mixing vessel. Material Charging and Discharging - Material is loaded in the blender through the charging nozzles provided on the top lid. Discharge of material is generally through a centrally located bottom  discharge valve. The blender may be provided with more than one valve, depending on the operational requirement. Mixer Assembly - The blender assembly comprising of the mixing vessel and the drive system are mounted on a supporting structure, base frame. The height of the base frame is decided based on the required charging height and the discharge height required for the blender operation.  

Since blending involves the flow of materials, blending mechanisms are affected by the same properties that affect flow. Flowability of bulk solids depends upon factors such as particle size and size distribution, particle shape, bulk density, all of which affect blending. The powder materials to be blended are charged in the mixing vessel, with a fill up volume ranging from 40 to 70 percent of the gross volume. Addition of liquids, if any, is through an optional spray piping system provided in the top portion of the blender. The ribbon agitator is operated at an appropriate speed depending on the size of the blender and the application. The geometry and rotation of the helical ribbon creates a counter-current axial movement and radial movement resulting in homogenous blending within 15 to 20 minutes, with about 90 to 95 percent homogeneity. After completion of blending, the material is discharged from one or more discharge valves located at the bottom of the vessel. The blender’s versatility to perform multiple functions such as heating, cooling, coating, and other processes besides mixing make it a popular blender.  

It consists of a horizontal cylindrical container with multiple plough shaped shovels mounted on the main shaft. With 30% – 70 % filling of the container, the size, number and positioning, geometric shape and peripheral speed of the mixing elements are co-ordinated in such a way that they produce a whirling, three-dimensional product movement. The resultant turbulence in the mix, whereby the entire product is constantly involved in the mixing process, prevents the formation of dead-spots or low-movement zones in the mixing container and ensures fast and homogenous mixing. The mixing elements are specially designed to lift the material from the inside wall of the container without squashing the particles against the wall. In addition, separately driven high-speed choppers can be installed to disperse agglomerations and control granulation during the mixing process in co-ordination with the mixing elements. Chopper Action (Optional) Single or multiple choppers are located in the lower part of the mixing container in such a way that the chopper assembly is inserted into the wall of the container at points in between the flights of two adjacent mixing shovels. The shovels operate beneath the rotating choppers. Together with the mixing shovels, the high-speed choppers remove lumps in the raw material, chop pasty additives and prevent formation of agglomerates on liquid addition. The choppers can be switched on and off, independent of the main drive shaft. Thus, the influence of the chopper action on the product mix can be controlled. Standard Features Available in working capacity of 5 liters – 5000 liters. Available in all grades of stainless steel, carbon steel and special alloy steels. Feeding nozzle at the top. Centrally located flush bottom discharge valve. Designed for atmospheric operation. Stuffing boxes with easily disassembled housings. PTFE gland packing provided. Stainless steel surfaces are polished to desired standards. All exterior non-stainless steel surfaces are painted with enamel paint. Squirrel Cage, Three Phase Induction Motor suitable for 415 Volts, 50 Hz. Single Speed Drive, for mixer and chopper. Mixer is mounted on supports with adequate discharge clearance. Customised Features Chopper Assemblies. Jacket for heating, cooling. Wear resistant liner plates for abrasive products. Split design stuffing boxes, Air-purging stuffing boxes, Mechanical Seals. Good Manufacturing Practice (GMP) models. Explosion-proof motors, Variable Speed Drives along with Electrical Control Panel. Inspection, Cleaning windows on the container. Spraying system for liquid injection. CE Applications Processing bulk materials (powdery, granular, fibrous). Addition of liquids to dry solid materials (moistening + granulating). Processing pumpable materials.

Comprises of Oil Tray and well ground Roller positioned for depositing fine oil film on to the Drum.  

Liquivertor is a member of High Speed Dispenser Family. The title comes from Chocolate Industry using this mixer (having specialized Agitator Blade as can be seen in the picture below with top or bottom mounting) for producing Homogeneous Product of Milk Powder, Glucose, Fat & Other ingredients. Top Agitator mounting offers less maintenance, ease of operation hence currently preferred version. Liquivertor Total Capacity : 200 Liters, Working Capacity: 125 LitersMaterial of construction: Contact Parts are in Stainless Steel 316 L & Non Contact parts in Stainless Steel 304.Flat Cover in 2 parts, namely fixed part having bolted construction and hinged part with clamps would be provided for the vessel.

Industrial applications involve mixing of solids to solids (free flowing solids and pasty materials), solids to liquids, solids to gas (reactions), liquids to liquids, and liquids to gas. Fluid mixing is generally associated with liquid – liquid mixing and liquid-gas mixing. Though mixing of solids to some extent resembles the mixing of low-viscosity liquids, Fluid mixing depends on the creation of flow currents, which transport unmixed material to the mixing zone adjacent to the impeller. In heavy pastes or masses of particulate solids there are no such currents are possible and mixing is accomplished by other means, Power required for mixing of dry solids and viscous pastes is higher than that consumed in blending of liquids.

Horizontal Ribbon Blender consists of a U-shaped horizontal vessel with a single or double helical ribbon agitator rotating within. The agitator shaft is located at the centre of the vessel. The shaft has support arms on to which the external and internal helical ribbons (spirals) are wound. The clearance between the external ribbon periphery and the internal wall of the mixing vessel is 3 to 6 mm depending on the application. The ribbon blender is driven by an assembly of mechanical components comprising of a motor, gearbox and couplings. This type of blender can be operated in batch as well as continuous modes. It is primarily used for blending large volumes of dry solids, dry powder to wet phase mixing and for coating solid particles with small quantity of liquids to produce formulations.

High speed liquid dispensers are high shear liquid mixing equipment used for particle size reduction, dispersing pigments and making emulsions. As the name suggests, these impellers are operated at high speeds. The saw tooth type impellers (as shown in the video) belongs to the category of high shear mixers and consists of a flat disk having saw tooth like edges around the external periphery This type of impeller generates extremely high turbulence in the area around the impeller. High speed dispensers are some times provided in combination with other impellers such as the radial flow anchor impeller, to generate axial fluid motion. If you are unable to view the video, 

Kneader Mixer SM 25 has High width blades producing High Shear for Metallic Powders. Vacuum Compatibility. Heavy duty blades to sustain high resistance of Metallic Powders. Hydraulic tilting arrangement. Standard accessories like vacuum pump supplied.

Sigma Kneader Mixer Assembly comprises of Mixing Vessel with or without external jacket for product heating, cooling during mixing. Well designed helix shaped sigma blades rotate within the mixing vessel at defined speed well supported between the bearings and seals. Drive system for the mixer is either through a geared motor or through a conventional motor driving gear unit through a flexible coupling. Gear unit is than connected to front blade of the mixer which in turn drives the rear blade of the mixer through pair of heavy gears made of alloy steel material. Discharge of product is through Hydraulic Tilt arrangement as can be viewed.Conventional,VFD operated panel is generally supplied. Alternate discharge arrangements are offered on request. GMP Kneader Mixer exhibited is our model SM 200 designed for use in FOOD INDUSTRY. Mixer is powered through 18.5KW / 25 HP geared motor from NORD. All contact and non contact parts are made from stainless steel material confirming to SA 240 Grade 304 material. VFD operated panel leads to operational speed between 20 to 36 RPM for the front blade and12 to 22 RPM for the rear blade. Product discharge is through a Hydraulic Power unit. Ideally these Kneader Mixers are used for Highly Viscous Mass, Sticky and Dough like products in Food, Pharma, Chemical, Rubber and other allied industries.

The ribbon blender is popular with the food industry due to its easy of operation and maintenance. Food blenders are manufactured with stainless steel contact parts. Applications include bakery mixes, cake mixes, cereal, cocoa, dietary supplements, dried food products, flavorings, flour, soft drink blends, milk powder, pet foods, seasonings, spice blends. If you are unable to view video

The hot caramel is received in the hopper & is uniformly sprayed on to the exterior wall of the drum. Nylon contact with the drum is provided.  

Three wall construction Drum of size 600 mm diameter x 700 mm length.The external wall is used for caramel sheet formation. The intermediate wall forming jacket used for chilled water circulation. Internal wall used to provide PUFF cold insulation.  

Unique is happy to announce the successful development of the new design of Double Planetary Mixer along with Hydraulic Discharge System for high viscosity materials. The Double Planetary Mixer is capable of mixing non flowing materials up to several million centipoises with the simple push button operation. The mixed material from the Double Planetary Mixer (with change can design) can be transferred along the container to the discharge system for fast discharge. The hydraulic system can discharge large batch sizes in minutes into containers, post processing equipment, thereby eliminating the otherwise wasted time requirement for scraping heavy or sticky materials from the mixing container. The container can then be cleaned and made ready for the next batch mixing. Multiple cans can be provided to improve productivity and for faster turnaround with different types of process materials. The Double Planetary Mixer along with discharge system can be used for adhesive, sealants, pharmaceuticals, dental compounds, cosmetics, plastics and many other high viscosity materials.

This article on Double Planetary Mixer details the design, construction and operation of double planetary mixer commonly used for mixing of high viscosity materials. The industrial application for which double planetary mixer is used are listed. Media : Solid Powders, Dough, Viscous Pastes Mode of Operation : Batch Mixing Design and Operation Mixing Vessel - The double planetary mixer consists of a vertical cylindrical vessel (referred to as the bowl) within which two mixing blades (referred to as beaters) rotate. The double planetary mixer belongs to the family of change can mixers. In change can mixers; there is a provision to remove the mixing bowl from the mixer assembly either by lowering the bowl from the mixer operating position, or by lifting the mixer drive system. The lifting and lowering is through hydraulic operation. A cylindrical cover is provided between the planetary head and the mixer bowl. Charging nozzles, liquid spray pipes, vacuum connections may be provided on the charging cover. Mixing Blades - The beaters rotate on their own axes, and at the same time they orbit the mixing vessel around the axis of the bowl. The clearance between the external periphery of the beaters and the internal walls of the bowl is generally in the range of 2 – 3 mm. Mixer Drive System – The double planetary mixer is powered by a drive system comprising of a motor and gearbox that drive the planetary head assembly of the mixer. The planetary head assembly consists of a gear train that causes the planetary motion of the beaters. Mixer Seals – The mixer shaft is provided with a sealing arrangement in the area where it exits the planetary head. The mixer seals in a double planetary mixer do not come in contact with the process material. Material Charging and Discharging – Material is loaded in the bowl directly, or may be charged through nozzles provided on the top cover. Discharge of material is generally through manual scooping of material from the top of the bowl.  Heat Transfer – Double planetary mixers are commonly provided with jackets for circulation of heating or cooling media.