What are
Dispersers are a type of mixer equipment used in different industrial processes to facilitate the effective blending and dispersion of different materials. They help in breaking down agglomerated particles, dissolving solids in liquids and creating a homogeneous mixture.
They are equipped with features that enable a powerful mixing action, adjustable speed and versatility in handling different materials.
Dispersers play a crucial role in various industries like paint and resin, adhesives and chemical industries.
Stalwart International is the best disperser manufacturer in India that designs and customises 2 types of dispersers; namely, high speed dispersers and twin shaft dispersers.
High Speed
This type of disperser has fast and efficient mixing capabilities. It consists of a single vertical shaft with an impeller(cowl disc) at the bottom, which rotates at a high speed, creating turbulence in the liquid. This action breaks down agglomerates and disperses solid particles in the liquid, creating a homogenous mixture.
A high speed disperser is commonly used across various industries that require rapid mixing, blending and dispersion of solids in liquids. Some applications where they are used are for paints and coatings, dissolving additives in adhesives & sealants, mixing pharmaceutical formulations and creating stable emulsions in food processing.
Stalwart International is the best disperser manufacturer that designs, customises and provides maintenance services. If you are looking for disperser exporters or suppliers in India, contact Stalwart International.
Twin Shaft
A dual shaft twin shaft disperser is a type of equipment commonly used in various industries for the purpose of blending, mixing and dispersing materials. It consists of two rotating shafts, usually fitted with mixing blades or impellers, that rotate in opposite directions to efficiently agitate and disperse substances.
These types of dispersers are used widely across industries where the mixing of components with a high viscosity and high concentration of solids are required.
Stalwart International is the best disperser manufacturer that designs, customises and provides maintenance services.
In India, manufacturers and exporters make twin shaft dispersers that are commonly used in the mixing of thick pastes & high viscosity adhesives, homogenising rubber compounds, blending coatings and varnishes in the paint industry and processing high viscosity composites.
To conclude, a high speed disperser is used for its swift mixing ability and is well suited for applications that require quick dispersion while a twin shaft disperser is better for intensive mixing of high viscosity materials, which makes it ideal for demanding processes.
Stalwart International is the best disperser manufacturer that designs, customises and provides maintenance services.
Applications of
Dispensers are used in a wide array of production industries, such as chemical, pharmaceutical, polymer, textile, specialty chemicals, dye and pigments, resin and paint, etc. They dispense liquids, aerosols, powders, and pellets.
Stalwart International is the top manufacturer and supplier of dispersers in India that designs, customizes, and offers maintenance services. As the leading disperser manufacturer, we fabricate and manufacture top-class and compliant disperser that meets different requirements, like tough development, exact measurements, and vitality effectiveness, within the desired time frame.
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What is the working principle of different types of dispersers?
High-shear mixers use rotors, stators, and high-speed shear to disperse particles. Propeller stirrers use agitation. Media mills use grinding beads for size reduction. Ultrasonic dispersers use high-frequency vibrations and cavitation forces. The mechanism depends on feed properties and particle size reduction needed.
How do you select the right disperser for a specific application?
Selection depends on batch size, viscosity, pigment loading and particle size, output rate needed, and continuous vs batch process. Scale-up potential, capital cost, operating costs, and maintenance should be evaluated when selecting between high shear, propeller, bead mill, and ultrasound dispersers.
What factors affect the dispersion efficiency and stability?
Rotor/stator design, tip speed, mixing flow rates, residence/circulation time, temperature control, viscosity and rheology, and pigment packing properties all affect dispersion quality. Stability depends on particle interactions and the prevention of re-agglomeration.
How do we optimize rotor speed, circulation rate, and viscosity to improve dispersion?
Increasing rotor speed increases shear rate but also heating. Circulation flow rate impacts residence time for breakup. Viscosity can be optimized by solvent selection and levels. Industry guidance on speed and flow rates for a given viscosity range should be followed.
What safety features are incorporated into Stalwart dispersers?
Our dispersers include independent overload protection, interlocked guarding, ingress protection, redundant shaft sealing, and other safety features to protect personnel and equipment.
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We have purchased from Stalwart International more than 100 stainless steel equipment for our project at Ankleshwar. They are technically sound. Our deal with the vendor is quite smooth.
Raj Kumar, Manager, Alkem Ltd.
Stalwart International is our approved vendor for Chemical & Pharmaceutical Process Plant & Equipment. We have been procuring mainly Stainless Steel Process Equipment from them since long.
Satish Shah, G.M. - Projects, Calyx Chemicals & Pharmaceuticals Ltd.
We have been procuring Plant equipment from Stalwart International for last more than 10 years. They manufacture standard equipment having good workmanship and finishing.
Ulhas Dewal, Director, Ashu Organics (I) Pvt Ltd.
Stalwart International is on our approved vendor list. We are satisfied with their facilities, workshop and quality control checks of the equipment at every stage.
Sanket Shah, Process Improvement Manager, ICI India Ltd.
Stalwart International is a reliable manufacturer of equipment, from whom we have purchased a lot of machinery for manufacturing food colours since our inception in 1995.
Vidhi Speciality Food Ingredients Ltd.
We have purchased various capacity cGMP Reactors, Condensers, etc which are giving excellent performance and we strongly recommend Stalwart to Pharma and Chemical Industries.
Bajaj Healthcare Ltd.
We are satisfied with the performance of the Plant Machinery which they manufactured and supplied to us for our Taloja Plant. We are very much satisfied with their prompt “After sale service
IG Petrochemicals Ltd.
We really appreciate the execution of our purchase orders done by Stalwart International. Time to time we had ordered to them of various process equipment, which we have used for manufacturing specialty Chemicals.
Privi Speciality Chemicals Ltd.
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