Spray Dryer Manufacturer & Exporter

Spray Dryer – industrial drying equipment for chemical and food industries in India

Shalimar Engineering is a leading spray dryer manufacturer and exporter with 20+ years of experience in designing and supplying high-performance industrial spray dryers for food, chemical, pharmaceutical, ceramic, detergent, and agrochemical industries worldwide. Our spray drying systems are engineered to convert liquid feed solutions, slurries, suspensions, and emulsions into free-flowing dry powder with precise control over moisture content, particle size, and bulk density.

Every custom spray dryer we manufacture is designed to match your specific feed material, required output characteristics, and production capacity. From small pilot plant spray dryers to large industrial spray dryers capable of processing 5,000 kg/hr evaporation, Shalimar Engineering delivers reliable, energy-efficient spray drying solutions with complete installation and commissioning support. Our spray dryers are exported to 30+ countries across Asia, Africa, the Middle East, and Europe — trusted by food processors, chemical manufacturers, and pharmaceutical companies worldwide.

Visit our homepage to explore our complete range of industrial drying and processing equipment.

What is a Spray Dryer?

A spray dryer is an industrial drying machine that converts liquid feed into dry powder form in a single continuous operation.

The liquid feed is atomized into fine droplets using a rotary atomizer or nozzle atomizer and sprayed into a hot drying chamber. As the fine droplets contact the hot drying air, moisture evaporates rapidly, leaving behind dry powder particles that are collected at the bottom of the drying chamber or through a cyclone separator and bag filter system.

Spray drying is one of the most widely used industrial drying methods because it can handle heat-sensitive materials, produce consistent particle size, and maintain product quality throughout the spray drying process. It is the preferred drying method for products such as milk powder, coffee, detergents, ceramics, pharmaceuticals, and agrochemicals where powder quality, flowability, and consistency are critical production requirements.

The key advantages of spray drying over other drying methods include single-step conversion from liquid to powder, precise control over particle size and bulk density, suitability for heat-sensitive materials due to short drying times, continuous automated operation with minimal manual intervention, and consistent product quality from batch to batch.

Working Principle of a Spray Dryer

The spray dryer working principle involves four key stages that together convert liquid feed into dry powder in a single continuous operation:

Stage 1 — Atomization The liquid feed is pumped to an atomizer — either a rotary disc atomizer or a pressure nozzle atomizer — which breaks the liquid into millions of fine droplets. The size of the droplets is the most critical factor in the spray drying process as it directly determines the final particle size, bulk density, and moisture content of the dried powder.

Stage 2 — Droplet-Air Contact The atomized droplets enter the drying chamber where they contact a stream of hot drying air supplied by a hot air generator. The inlet air temperature typically ranges from 150°C to 300°C depending on the feed material and required moisture content of the final powder product.

Spray Dryer – industrial drying equipment manufacturer and supplier in India

Stage 3 — Moisture Evaporation As the fine droplets contact the hot air, surface moisture evaporates almost instantaneously. The short contact time — typically just 5 to 30 seconds — ensures that even heat-sensitive materials are dried without thermal degradation, preserving the color, flavor, nutritional value, and active properties of the feed material throughout the spray drying process.

Stage 4 — Powder Collection The dried powder is collected at the conical base of the drying chamber. Residual fine powder carried by the exhaust air is recovered through a cyclone separator and bag filter system, ensuring maximum product recovery, minimum product loss, and clean exhaust air that meets environmental standards.

Types of Spray Dryers We Manufacture

Rotary Atomizer Spray Dryer

The rotary atomizer spray dryer uses a high-speed rotating disc to atomize the liquid feed into fine, uniform droplets. It is ideal for feeds with high viscosity, abrasive particles, or variable flow rates and produces uniform, spherical powder particles with consistent particle size distribution. Widely used in spray dryer for food industry, dairy, and detergent applications.

Nozzle Atomizer Spray Dryer

The nozzle atomizer spray dryer uses a pressure nozzle or two-fluid nozzle to atomize the liquid feed. It is preferred for applications requiring coarser, granular powder products and is widely used in spray dryer for chemical industry, spray dryer for agrochemical, and mineral processing applications where a denser, coarser powder is required.

Two Stage Spray Dryer

Our two stage spray dryers combine a primary spray drying chamber with an external fluid bed dryer for products that require additional drying or cooling after the primary stage. Ideal for heat-sensitive, hygroscopic, and sticky powder products in spray dryer for pharma and spray dryer for food industry applications where residual moisture must be reduced to extremely low levels.

Pilot Plant Spray Dryer

Our pilot plant spray dryers are compact, small-scale spray drying systems designed for product development, process optimization, and production trials. They operate on exactly the same principles as our large industrial spray dryers but at a much smaller scale making them ideal for R&D laboratories, universities, and process development teams that need to generate sample powder for testing and evaluation.

Industrial Spray Dryer

Our large-scale industrial spray dryers are built for continuous, high-capacity powder production with evaporation capacities from 50 kg/hr to 5,000 kg/hr. Designed for maximum uptime, energy efficiency, and consistent product quality, they are suitable for the most demanding food, chemical, and pharmaceutical production environments where reliability and consistency are non-negotiable.

Key Features of Shalimar Spray Dryers

  • Custom-Engineered Drying Chamber Design   Every custom spray dryer we manufacture features a drying chamber that is specifically engineered for the client’s feed material, required evaporation capacity, and powder characteristics. Chamber diameter, height, cone angle, and material of construction   MS, SS 304, or SS 316   are all selected based on a detailed technical analysis of the feed material and required output specifications, ensuring optimal spray drying process performance from day one.
  • Choice of Rotary or Nozzle Atomization   We supply spray dryers with both rotary atomizer and nozzle atomizer systems, allowing us to select the right atomization method for your specific feed material and powder requirements. Rotary atomizers deliver uniform, fine droplets ideal for high-viscosity and abrasive feeds; nozzle atomizers produce coarser, denser particles ideal for granular powder products in chemical and agrochemical applications.
  • Wide Operating Temperature Range   Our industrial spray dryers operate with inlet air temperatures from 150°C to 350°C, fully adjustable to match the thermal sensitivity of the feed material and the required final moisture content of the powder. Outlet temperatures are precisely controlled to protect heat-sensitive materials while ensuring consistent drying performance throughout the spray drying process.
  • Complete Powder Recovery System   Every spray drying system we supply includes a high-efficiency cyclone separator and bag filter system for maximum powder recovery. This ensures that even the finest powder particles are collected and not lost in the exhaust air, maximizing product yield and minimizing waste   a critical requirement for high-value pharmaceutical and food powder applications.
  • PLC-Based Automatic Control System   Our spray dryers are available with manual, semi-automatic, and full PLC-based control systems. The PLC control system continuously monitors and automatically adjusts inlet temperature, outlet temperature, feed pump rate, and atomizer speed to maintain consistent powder quality throughout the production run, minimizing operator dependency and ensuring repeatable results.
  • CIP-Ready Design for Hygienic Applications   For spray dryer for food industry and spray dryer for pharma applications, we supply CIP (Clean-in-Place) ready spray dryers with smooth internal surfaces, crevice-free construction, and sanitary fittings that allow the entire drying system to be cleaned without dismantling, saving time and ensuring compliance with food and pharmaceutical hygiene standards.
  • Inert Gas Operation for Solvent-Based Feeds   For feed materials containing organic solvents or flammable components, we supply spray dryers with closed-loop inert gas (nitrogen) operation systems. This eliminates the risk of fire or explosion during the spray drying process and allows the recovery and reuse of solvent vapors, significantly reducing operating costs and environmental impact.
  • Complete Turnkey Spray Drying System   Shalimar Engineering supplies complete turnkey spray drying systems including the drying chamber, atomizer, hot air generator, cyclone separator, bag filter, powder conveying system, and PLC control panel   all engineered, manufactured, and integrated as a complete, tested system before dispatch, minimizing installation time and ensuring reliable startup at the client’s facility.

Technical Specifications

PARAMETER DETAILS
Evaporation Capacity 10 kg/hr to 5,000 kg/hr (customizable)
Inlet Air Temperature 150°C to 350°C
Outlet Air Temperature 60°C to 120°C
Atomizer Type Rotary Disc / Pressure Nozzle / Two-Fluid Nozzle
Chamber Material MS / SS 304 / SS 316
Powder Collection Cyclone Separator + Bag Filter
Control System Manual / Semi-Auto / Full PLC
Heat Source Steam / Electric / Thermic Fluid / Direct Fired
Operation Continuous
MOC MS / SS 304 / SS 316

All specifications are fully customizable as per client feed material and process requirements.

Industries We Serve

Shalimar Engineering’s spray dryers are trusted by industries worldwide:

  • Food Industry   Spray dryer for food industry: milk powder, coffee, whey, glucose, starch, fruit juice powder, infant formula
  • Chemical Industry   Spray dryer for chemical industry: detergents, dyes, pigments, silica, catalyst powder, chemical intermediates
  • Pharmaceutical Industry   Spray dryer for pharma: APIs, herbal extracts, vitamins, nutraceuticals, drug formulations
  • Agrochemical Industry   Spray dryer for agrochemical: pesticide powder, fungicide, herbicide, fertilizer granules
  • Ceramic Industry   Spray dryer for ceramic industry: alumina, zirconia, ceramic glaze, kaolin powder, ceramic pigments
  • Dairy Industry   Milk powder, casein, whey protein concentrate, lactose powder
  • Detergent Industry   Spray drying system for detergent powder production at industrial scale
  • Mineral Industry   Mineral slurry drying for fine powder production in mining and mineral processing

Advantages of Spray Drying

  • Single-Step Liquid to Powder Conversion   The spray drying process converts liquid feed directly into dry, free-flowing powder in a single continuous operation, eliminating the need for multiple drying stages, intermediate storage, and additional processing steps. This significantly reduces production time, labor requirements, and the risk of product contamination between processing stages.
  • Ideal for Heat-Sensitive Materials   Spray drying is one of the best drying methods for heat-sensitive materials because the contact time between the droplets and the hot air is extremely short   typically just 5 to 30 seconds. Despite the high inlet air temperature, the product temperature remains low throughout the spray drying process, preserving heat-sensitive compounds such as vitamins, enzymes, flavors, and active pharmaceutical ingredients without thermal degradation.
  • Precise Control Over Powder Properties   The spray dryer gives the operator precise control over key powder properties including particle size, bulk density, moisture content, and flowability   simply by adjusting the rotary atomizer speed, feed rate, inlet temperature, and outlet temperature. This level of control is critical for industries such as pharmaceuticals, food, and specialty chemicals where powder specifications are tightly defined.
  • Continuous, Automated Operation   Our industrial spray dryers operate continuously and are fully automated through a PLC control system, requiring minimal operator intervention once the process parameters are set. This ensures consistent, repeatable powder quality across all production runs, 24 hours a day, 7 days a week, with minimal labor cost.
  • Wide Range of Feed Materials   The spray dryer can process a wide variety of liquid feeds including solutions, emulsions, suspensions, slurries, and pastes. It can handle feed materials ranging from thin, low-viscosity liquids to thick, high-viscosity pastes   making it one of the most versatile drying technologies available for industrial powder production.
  • Scalable from Pilot to Industrial Scale   Our spray dryers are available from small pilot plant spray dryers with evaporation capacities as low as 10 kg/hr for R&D and product development, all the way up to large industrial spray dryers with capacities of 5,000 kg/hr for full-scale industrial production. The process parameters developed at pilot scale translate directly to industrial scale, ensuring predictable, reliable scale-up results.
  • Maximum Product Recovery   Our spray drying systems are equipped with high-efficiency cyclone separators and bag filters that recover even the finest powder particles from the exhaust air, ensuring maximum product yield and minimum waste. This is especially important for high-value pharmaceutical and specialty chemical products where product loss directly impacts profitability.
  • Clean, Enclosed, Hygienic Operation   The spray dryer operates as a completely enclosed system, preventing contamination of the powder product by the external environment and preventing dust emissions into the workplace. This enclosed, hygienic design is essential for food-grade and pharmaceutical-grade powder production where product purity and workplace safety are regulatory requirements.

Why Choose Shalimar Engineering?

  • 20+ Years Experience   Proven expertise in spray dryer design, manufacturing, and commissioning
  • Custom Engineering   Every custom spray dryer designed to your exact feed material and output requirements
  • Complete Turnkey Solutions   Complete turnkey spray drying systems supplied and commissioned
  • Global Export   Active spray dryer exporter worldwide supplying to 30+ countries
  • After-Sales Support   Installation, commissioning, operator training, and ongoing technical support
  • Competitive Pricing   Best quality at the most competitive prices in the industry
  • On-Time Delivery   Efficient production with secure export-grade packaging

Related Drying Equipment

Frequently Asked Questions

A: Spray dryers can process a wide range of liquid feeds including solutions, slurries, suspensions, emulsions, and pastes. Common materials include milk, coffee, detergents, pigments, ceramics, pharmaceuticals, agrochemicals, and food additives. If the material can be pumped, it can generally be spray dried.

A: Shalimar Engineering manufactures spray dryers with evaporation capacities from 10 kg/hr (pilot plant spray dryer) to 5,000 kg/hr (industrial spray dryer). Custom spray dryer capacity beyond this range is available as per client requirements.

A: Yes. Spray drying is one of the best methods for drying heat-sensitive materials. The short contact time in the spray drying process typically 5 to 30 seconds means the product temperature remains well below the inlet air temperature, preserving heat-sensitive compounds effectively without thermal degradation.

A: A rotary atomizer spray dryer uses a high-speed spinning disc to atomize the feed ideal for high-viscosity and abrasive feeds producing fine, uniform powder. A nozzle atomizer spray dryer uses pressure nozzles to produce coarser, denser powder preferred for chemical and agrochemical applications. We recommend the best atomizer based on your specific feed material and required product characteristics.

A: Yes. Shalimar Engineering supplies complete turnkey spray drying systems including drying chamber, atomizer, hot air generator, cyclone separator, bag filter, and PLC control panel all engineered and integrated as a complete, tested system.

A: Yes. We are an active spray dryer exporter worldwide supplying to UAE, Saudi Arabia, South Africa, Nigeria, Bangladesh, Sri Lanka, and many other countries. All export orders are packed in proper export-grade packaging for safe international delivery.

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Looking for a reliable spray dryer manufacturer and exporter? Shalimar Engineering provides custom spray drying solutions with worldwide export capability and complete technical support.

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