Fluid Bed Combo (Wurster Coater)

Advanced Fluid Bed Processing and Wurster Coating Solutions for Pharmaceutical Manufacturing

The Fluid Bed Combo (Wurster Coater) is a versatile pharmaceutical processing system designed for fluid bed drying, granulation, and pellet coating applications. It combines fluidization technology with specialized spraying arrangements to support different particle processing operations within a single equipment platform. The Wurster bottom-spray process enables coating liquid to be applied to circulating particles while conditioned process air supports coating formation and drying.

Intence Engineering offers Fluid Bed Combo equipment with bottom-spray and tangential-spray processing arrangements. The equipment includes an adjustable Wurster column design, process air temperature and humidity control, sealing arrangements, and operational safety features. These systems support pharmaceutical pellet coating and other fluid bed applications according to formulation and manufacturing requirements.

Applications of Fluid Bed Combo (Wurster Coater)

  1. Pharmaceutical Pellet Coating: Applying coating formulations to suitable pharmaceutical pellets to obtain the required surface characteristics and coating functionality.
  2. Modified-Release Formulations: Supporting the application of functional coatings to pellets for controlled-release or delayed-release pharmaceutical formulations.
  3. Fluid Bed Drying and Granulation: Processing suitable powders and granules through fluidization-based drying and granulation operations using the appropriate equipment configuration.
  4. Particle Coating and Layering: Supporting coating or layering operations on suitable starter particles and pellets for pharmaceutical solid dosage manufacturing applications.

Key Features

  • Multi-Process Fluid Bed System: Designed to support drying, granulation, and pellet coating applications through suitable configurations.
  • Bottom and Tangential Spraying: Supports different spraying arrangements according to the required processing application.
  • Adjustable Wurster Column: Simplified Wurster column design with height adjustment to suit coating process requirements.
  • Temperature and Humidity Control: Process air control arrangements support suitable drying and coating conditions.
  • Explosion Safety Arrangements: Specially designed explosion relief flaps are included in the documented equipment design.
  • Inflatable Silicone Seals: Sealing arrangements designed to support controlled operation of the processing system.
  • Operational Safety Interlocks: Interlocking provisions support equipment operation according to the selected configuration.
  • Static Earthing System: Earthing arrangements help manage electrostatic charge during fluidized bed processing.
  • Pneumatic Filter Bag Movement: Pneumatically operated bag shaking and up-and-down movement are documented for the equipment range.

Optional and Additional Features

Intence Engineering’s Fluid Bed Combo range includes additional equipment and process configurations. The availability of individual options depends on the selected system design and customer requirements.

  • Blow-back filter cleaning system
  • Broken Bag Detector (BBD) system
  • Specially designed air distribution screens
  • SCADA solutions with functionality intended to support applicable 21 CFR Part 11 requirements
  • ATEX / flameproof configuration options
  • 2 Bar / 12 Bar pressure-resistant design options
  • Through-the-wall installation
  • Containment configurations
  • Wash-in-Place (WIP) systems
  • Customized processing arrangements based on formulation and production needs

Available Capacity

Gross Capacity: 1 L to 1,500 L

Intence Engineering’s documented Fluid Bed Combo range includes gross capacities from 1 L to 1,500 L, depending on customer requirements. The appropriate equipment capacity depends on product characteristics, batch size, the selected processing arrangement, and specific coating or granulation requirements.

Intence Engineering – Fluid Bed Combo and Wurster Coating Solutions

Intence Engineering provides Fluid Bed Combo equipment for pharmaceutical drying, granulation, and pellet coating applications. With configurable spraying arrangements, an adjustable Wurster column, and process air control systems, the equipment supports different particle processing operations within pharmaceutical manufacturing workflows.

Intence Engineering Pvt. Ltd. is a manufacturer of pharmaceutical fluid bed processing equipment, offering Fluid Bed Combo (Wurster Coater) systems for particle coating, pellet processing, granulation, and drying applications in solid dosage manufacturing.

Frequently Asked Questions (FAQs)

Explore frequently asked questions about Intence Engineering’s Fluid Bed Combo (Wurster Coater), including its working principle, pharmaceutical applications, and equipment features. Learn how bottom-spray coating technology supports pellet coating, functional film application, and integrated fluid bed processing.

01. What Is a Fluid Bed Combo (Wurster Coater) Used for in Pharmaceutical Manufacturing?

A Fluid Bed Combo (Wurster Coater) is used for pharmaceutical pellet coating, particle layering, granulation, and drying. With suitable processing configurations, it supports the application of functional coating layers to pellets for modified-release, delayed-release, and other specialized solid dosage formulations.

The Wurster coating process uses a bottom-spray arrangement in which conditioned air circulates particles through a coating zone. Coating liquid is sprayed upward onto the moving particles, typically within a Wurster column. The particles repeatedly pass through the spray zone and drying region, allowing successive coating layers to develop under controlled processing conditions.

Intence Engineering’s Fluid Bed Combo includes bottom or tangential spraying arrangements, an adjustable Wurster column, temperature and humidity control, inflatable silicone seals, operational safety interlocks, and static earthing provisions. Available options include blow-back filter cleaning, Broken Bag Detection, SCADA integration, containment configurations, and Wash-in-Place systems.