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Fluid Bed Dryer - Fluid Bed Processor

Fluidized Bed Drying Machine

Fluid Bed Dryer - Lab Fluid Bed Processor, Fluidized Bed Drying Machine Manufacturer

Fluid bed dryer is used for drying the product at desired temperature like wet powder that is been produced by the hot air of the moving in upward direction. In order to acquire uniform temperature & high heat transfer rate, the granules are fully fluidized with the help of electrical hot air or powerful steam. For uniform drying of the granules or powder, the unique design of the fluid bed dryer does it without any racking process. The fluidized bed drying technology is been used in different industries including the powder processing industry, pharmaceutical industry that has proved many advantages to the industries. The method of the fluid bed dryer has reduced the tray drying process & time as compared to uneven drying in trays. Hence, fluid bed dryer is the energy saving solution for drying of your product.

This fluid bed dryer has a sturdy built because of its 2 bar construction. Moreover, the material used in its construction of this high tech machine is flameproof. This fluidised bed dryer is widely used in the drying of powders, mixing of powders and agglomeration in pharmaceutical, chemical, foodstuff, dairy and many other process industries. This fluid bed dryer has a sturdy built because of its 2 bar construction. Moreover, the material used in its construction of this high tech machine is flameproof. This fluidised bed dryer is widely used in the drying of powders, mixing of powders and agglomeration in pharmaceutical, chemical, foodstuff, dairy and many other process industries. The Lab Fluid Bed Dryer is used in laboratories for research and development due to which it is also known as R&D Fluid Bed Dryer. It is also known by the names Mini Fluid Bed Dryer, Small Fluid Bed Dryer and Compact Fluid Bed Dryer due to its small and compact size.

This compact dryer has a powerful air delivery system which makes it a very fast operational system. The fluidization efficiently mixes and separates the particles, reducing any abrasion or formation of lumps. Since it is widely used as an R&D Fluid bed dryer its comprehensive set of controls makes it excellent to be used in the laboratory on a wide selection of materials. The Fluid Dryer also commonly known as the Mini Fluid Dryer or the small fluid dryer is most suitable for granular and powder materials and can ensure uniform and reproducible results. Fluid bed dryer technology offers the most efficient method for drying and agglomerating and has a universal application and is a flexible tool to preserve the product’s integrity.

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Fluid Bed Dryer Special Features:

  • cGMP compliance Model.
  • 2 Bar Construction.
  • 10μ/3μ/0.3μ Three Stage Filtration
  • Precise temperature control i.e. ±1°c.
  • PLC controlled WIP.
  • Relief Flap with Certified Explosion
  • Constructed with Flameproof material
  • Positive earthling device.
  • Premium class mirror finish.
  • For perfect air suction with proper Porosity and Permeability - Multi-pocket filter bag
  • PLC & Colour Touch Screen MMI along with printing, 21CFR part 11 and SCADA compatibility for Intelligent process control and safety
  • DQ /IQ/OQ documents Validation support
  • On Customer Request, Food Grade Finger Bag Available

Advantages of Lab Fluid Bed Dryer

  • High Efficiency
  • Sturdy Built
  • Low Capital Cost
  • Easy Maintenance and Control
  • High Heat Transfer Rate
  • Energy Saving

Technical Specification of Fluidized Bed Dryer :

Technical Description Lab Fluid Bed Dryer Production Models
LI-FBD1 LI-FBD5 LI-FBD10 LI-FBD30 LI-FBD60 LI-FBD120 LI-FBD200 LI-FBD250 LI-FBD300 LI-FBD500
Working Capacity (Kgs.) 1 5 10 30 60 120 200 250 300 500
Blower Motor HP 2 3 3 5 15 20 25 30 40 60
CFM 500 700 700 1200 2600 3500 4500 5500 7500 9000
Steam Consumption kg/hr @ 3 kg cm pressure NA NA 15 25 50 120 175 200 250 400
Heaters (KW) 3 3 6 18 36 54 NA NA NA NA

Fluid Bed Dryer Basics

Fluid Bed Dryer, also known as fluidized bed dryer, is a type of equipment used to reduce the moisture content of the powders and granules. FBD is widely used in Pharmaceutical, Chemical, Food, Dairy, Dyes, and other process industries.

First the material is fed on the shaking steel bed through which hot air flows. The high pressure hot air flow fluidizes the bed of material by contacting each particle. The airflow is controlled throughout the length of the dryer to maximize fluidization to handle wet and sticky materials. As the material starts passing through, it loses the moisture gradually until the desired dryness is achieved. Once the desired dryness is achieved, the material is passed into a cooling zone. In this stage, the hot air is replaced by the cool air that reduced the temperature to the required point.

FBD (fluidized bed dryer) works on the principle of fluidization, wherein hot air is introduced into the spaces between solid particles. In the fluidization process, hot airflow is introduced at high pressure through the bed of moist solid particles. The hot air moves upwards through the spaces between these particles. With increasing velocity, upwards drag force on the solid particles increases and at one stage it becomes equal to the gravitational force. Therefore, the bed is known as fluidized and the particles are suspended in the fluid.

Fluid Bed Dryer, also known as FBD, is a very important type of equipment used in the granulation area of various industries. Its primary application is in the granulation process for drying the material and to achieve desired moisture content in the granules.

Solid Flow Monitor (SFM) is advanced equipment to monitor and control flow rate, resulting in a smooth and efficient flow of material. Solid Flow Monitor test reliably detects filled bag failure in FBD and helps in preventing product loss. SFM is located in the exhaust duct of the Fluid Bed Granulator.

Fluid Bed Processor, also known as fluid bed granulator, is an advanced type of equipment for drying, cooling, agglomeration, granulation, and coating of materials with high efficiency. Fluidized bed processor is widely used in the pharmaceutical, chemical, food, and other related industries for drying, granulating, coating, and palletizing.

Industries Using Fluid Bed Dryer - Fluid Bed Processor

  • Pharmaceutical Industry Compression, granulation, coating and finishing of tablets.
  • Nutraceutical Industry Supplement and vitamin tablet production.
  • Ayurvedic Industry Herbal tablets, vati and classical solid preparations.
  • Food Industry Salt tablets, confectionery and food-grade tablets.
  • Chemicals Industry Catalyst, detergent and specialty chemical tablets.
  • Laboratories & Research Centers Pilot-scale compression and formulation trials.

Fluid Bed Dryer FAQs

It is a pharmaceutical processing machine that dries wet granules, powders, and herbal materials by suspending them in a stream of heated air — creating a fluidized state where every particle is individually exposed to the drying medium — delivering fast, uniform, and gentle moisture removal for pharmaceutical granules, Ayurvedic herbal powders, and nutraceutical formulations while preserving active ingredient integrity.

A lab fluid bed processor is a compact, small-batch version of the production fluid bed dryer — designed specifically for pharmaceutical R&D, Ayurvedic formulation development, and pilot batch processing — performing drying, granulation, and coating operations at batch sizes of 0.5 to 15 kg, with the same fluidization mechanism and process parameters as larger commercial machines for direct scale-up.

Fluid bed drying delivers uniform moisture removal from all granule particles simultaneously — achieving consistent residual moisture content across every particle in the batch — which is critical for pharmaceutical tablet compression performance, Ayurvedic herbal granule stability, and nutraceutical capsule fill accuracy, while also being significantly faster than conventional tray drying methods.

Yes, it is increasingly adopted in Ayurvedic manufacturing for drying herbal extract granules, botanical powder blends, and traditional formulation wet masses — with precisely controlled inlet air temperature settings that gently dry temperature-sensitive Ayurvedic herbal active compounds without thermal degradation of volatile essential oils, thermolabile phytochemicals, and sensitive botanical actives.

Absolutely — nutraceutical companies processing vitamin and mineral granules, probiotic powder formulations, and nutritional supplement blends use fluid bed dryers to achieve consistent residual moisture content that ensures product stability, prevents caking and agglomeration, and delivers the free-flowing granule properties needed for reliable tablet compression and capsule filling performance.

A lab fluid bed processor performs three critical pharmaceutical processing functions — fluid bed drying to remove moisture from wet granules, fluid bed granulation where binder solution is sprayed onto fluidized powder to form granules directly, and fluid bed coating where film coating solution is applied to granule or pellet surfaces — all within the same equipment platform.

Laboratory fluid bed dryers and processors handle batch sizes from 0.5 kg to 15 kg of granules or powder — covering the batch range needed for pharmaceutical formulation development, Ayurvedic exhibit batch preparation, clinical trial material processing, analytical validation samples, and initial small-scale commercial production runs.

Yes, it is manufactured with GMP-compliant SS 316 product contact parts — including the product bowl, expansion chamber, and air distribution plate — with mirror-polished internal surfaces, validated HEPA filter air inlet systems, and comprehensive qualification documentation support — meeting Schedule M, WHO-GMP, and AYUSH regulatory standards for licensed pharmaceutical and Ayurvedic granule drying facilities.

The fluid bed dryer uses an evaporative cooling effect — where the latent heat of water evaporation keeps granule surface temperature significantly below the inlet air temperature — allowing drying at relatively low product temperatures that protect thermolabile pharmaceutical APIs, volatile Ayurvedic essential oil components, and heat-sensitive herbal phytochemicals throughout the drying process.

Fluid bed dryers typically operate with inlet air temperatures between 40°C and 80°C for most pharmaceutical and Ayurvedic granule drying applications — with temperature selection based on active ingredient thermal stability, target residual moisture specification, and granule batch size — with lower temperatures used for sensitive Ayurvedic botanical formulations and higher temperatures for thermally stable pharmaceutical excipient granules.

The fluidization mechanism suspends every granule particle individually in the heated air stream — exposing all particle surfaces equally to the drying medium — with outlet air humidity and product temperature sensors providing real-time drying endpoint monitoring that ensures consistent residual moisture uniformity throughout the entire batch regardless of particle size variation.

Yes, lab fluid bed processors with top-spray granulation attachments spray aqueous or hydro-alcoholic binder solutions onto fluidized powder particles from above — building granules directly in the fluid bed without prior wet massing — a one-step process particularly valuable for moisture-sensitive pharmaceutical APIs and heat-labile Ayurvedic herbal extract formulations.

A validated fluid bed dryer with documented drying parameters, residual moisture endpoint monitoring records, HEPA-filtered inlet air systems, and GMP-compliant construction provides the process control and equipment compliance evidence required by AYUSH GMP inspectors — demonstrating that Ayurvedic herbal granule drying is performed under controlled and validated manufacturing conditions.

The HEPA filter system — installed on both the inlet air supply and exhaust air outlet — removes particulate contamination from incoming drying air and prevents product powder from escaping to the production environment — maintaining clean drying air quality, protecting pharmaceutical and Ayurvedic product purity, and ensuring compliance with GMP environmental contamination control requirements.

Fluid bed drying is 3 to 5 times faster than conventional tray drying — with more uniform moisture removal, reduced risk of granule hardening and lumping, better preservation of granule physical properties, and significantly lower labor requirements — making it the clearly superior granule drying technology for modern GMP-compliant pharmaceutical and Ayurvedic manufacturing facilities.

Yes, lab fluid bed processors with Wurster insert attachments can coat pharmaceutical pellets, granules, and mini-tablets with functional polymer coatings — including enteric coatings, sustained release coatings, and moisture barrier coatings — using the same equipment platform as drying and granulation operations, maximizing laboratory equipment utilization.

Modern fluid bed dryers include anti-static earthing systems to prevent powder explosion from electrostatic discharge, pressure relief explosion vents, inlet air heating temperature limiters, product temperature monitoring with automatic shutdown, and bag filter integrity monitoring systems — ensuring safe operation in GMP pharmaceutical and Ayurvedic granule drying environments.

The machine requires a 440V three-phase power supply, compressed air at 6 bar for bag filter shaking, a steam or electric air heater supply for inlet air heating, and an exhaust air duct connection to the facility ventilation system — standard utilities available in most established Indian pharmaceutical, Ayurvedic, and nutraceutical granule manufacturing facilities.

Yes, Lodha Pharma provides complete on-site machine installation, air distribution plate qualification, inlet air temperature and humidity calibration, HEPA filter integrity testing, Factory Acceptance Test (FAT) documentation, IQ/OQ validation support, drying endpoint monitoring setup, operator and maintenance staff training, Annual Maintenance Contracts (AMC), and fast availability of filter bags, air distribution plates, and critical seal components — ensuring validated and reliable fluid bed drying performance throughout the machine's operational life.

Simply contact Lodha Pharma through their official website with your granule formulation type, required batch size, target residual moisture specification, processing function requirements (drying only or drying plus granulation or coating), GMP licensing status, and facility infrastructure details — their expert technical sales team will promptly provide a tailored quotation and arrange a comprehensive live factory or detailed video demonstration to help you select the ideal fluid bed dryer or lab fluid bed processor for your pharmaceutical, Ayurvedic, or nutraceutical granule processing requirements.

What Pharmaceutical Manufacturers Say About Us

Verified reviews from pharmaceutical manufacturers running our equipment.

Very good quality pharmaceutical machinery manufacturer. Using tablet press machine, ointment tube filling line, Liquid Filling Line and ancillary equipments from last 3 years. Good quality machines and support

U Urvashi Jain

Very High Quality Pharmaceutical Machines. Our company using capsule filling and tablet manufacturing line from this company... Very nice service and support. Recently ordered rotary tube filling machine. Specially thanks to Mr. Dhananjay and Team for support

V Vanshi Sharma

Top-notch pharmaceutical machinery producer located in Ahmedabad. We have been utilizing the Capsule Filling Machine and servo liquid filling machine for the past two years, benefiting from excellent service support provided by LODHA.

A Amit Gupta

High quality pharmaceutical machinery manufacturer in Ahmedabad. We are using liquid filling machine from last 2 years in Australia with great service support by LODHA Team

T Taksh Vyas

Very Good Pharmaceutical Equipment. The best manufacturer of tablet press machines, with excellent assistance from the Lodha team.

A Alka Prajapati

Highly recommended this company for Capsule Machinery and equipment, we purchase Capsule Filling Machine since 3 year and we are very satisfied from that one, & Specifically thanks to Mr. Dhananjay Lodha for always quick support and service.

S Sunayna Rajput

Specially thanks to Mr. Dhananjay Lodha for quick support and service provided for capsule filling machine and tablet press we bought last year. Highly recommended this company for capsule and tablet production equipments.

A Ashok Vaghela

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