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Deduster for Granules & FBD Exhaust System

Deduster for Granules & FBD Exhaust System

₹400,000.00

Using a granule deduster ensures clean and uniform granules for downstream processes, while an FBD exhaust deduster helps maintain environmental compliance and reduces product loss. Both systems play a vital role in maintaining pharmaceutical quality standards.

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Deduster for Granules & FBD Exhaust System

The deduster for granules and Fluid Bed Dryer (FBD) exhaust is used to eliminate fine dust particles from granulated material prior to additional processing, i.e., tablet compression or capsule filling. It also keeps the exhaust air from the FBD free from particulate contamination.

  1. Deduster for Granules

Granules are prepared in the wet or dry granulation process and must be free of dust before they can be compressed into tablets or filled into capsules.

Technical Specifications:

  • Construction Material: 316L stainless steel for contacting parts, 304 for non-contacting parts (GMP compliant).
  • Dedusting Mechanism: Makes use of vibration, oscillation, or rotary motion to eliminate fine dust. Fitted with perforated mesh screens or air suction systems.

2. Capacity:

  • Usually handles 100 kg to 500 kg per hour, based on granule size and material characteristics.
  • Filtration System:  Utilizes cyclone separators, HEPA filters, or dust collection equipment.
  • Air/Vacuum Requirements: Needs vacuum extraction system with suction capability 2.5–4 m³/min.
  • Compressed air supply: 0.1–0.5 MPa.

3. Power Supply: Runs on 220V/380V, 50Hz/60Hz.

4. Integration: May be connected to granulators, blenders, and tablet presses for continuous production line.

  1. Deduster for FBD Exhaust System

Fluid Bed Dryers (FBDs) produce minute dust particles that need to be captured prior to releasing the exhaust air to avoid product loss and environmental contamination.

Technical Specifications:

  1. Construction Material:

304 or 316L stainless steel, with polished interior finishes for effortless cleaning.

2. Filtration System:

With bag filters, cartridge filters, or HEPA filters for 99.97% effectiveness (≥0.3 microns).

Utilizes pulse-jet filter cleaning system to automatically remove dust.

3. Air Handling Capacity

Designed to accommodate airflow between 1,500–8,000 m³/h, varying with FBD size.

4. Dust Collection System:

Employing cyclone separators, multi-stage filtration, or wet scrubbers.

5. Integration with FBD:

Syncs with the FBD control system to maintain efficient performance.

Pressure differential monitoring to check for filter clogging.

6.Power Supply:

Powered by 380V, 50Hz/60Hz.

7. Compliance:

Complies with GMP, FDA, and environmental safety standards.

Applications of Dedusters for Granules & FBD Exhaust

8. Granule Deduster:

Removes fine dust from granules prior to tablet compression or capsule filling.

Enhances tablet uniformity and weight consistency.

Prevents contamination and enhances flowability of granules.

9. FBD Exhaust Deduster:

Guarantees clean exhaust air by removing fine particles.

Prevents loss of product and ensures safety of the environment.

Reduces maintenance expenses and extends filter life in HVAC systems.

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FAQs

What is a Deduster in pharmaceutical granulation?
A Deduster is a machine used to remove fine powder (dust) from granules after drying or sizing. It ensures that the granules are clean before moving to compression or encapsulation stages, improving product quality and minimizing tablet defects.
Why is dedusting necessary for granules?
Prevents dust-related compression issues like sticking, picking, and capping Improves flowability and uniformity of granules Enhances cleanliness in downstream processes (compression, encapsulation) Complies with GMP guidelines on dust control and operator safety
How does a Deduster work?
Granules are passed through a vibrating or spiral path where: Vibration loosens and dislodges fine powder attached to granules Air suction or vacuum removes the dust Clean granules are discharged for further processing
What are the main components of a Deduster?
Vibratory or spiral conveyor Dust extraction nozzle or vacuum port Stainless steel housing (usually SS 316L) Optional built-in metal detector Discharge chute or outlet port
What materials and finish are used?
Product contact parts: SS 316L Surface finish: Mirror polish or Ra ≤ 0.5 µm (GMP compliant) Gaskets/seals: FDA-approved EPDM or silicone Enclosure (if any): SS 304 or powder-coated steel
What is a Fluid Bed Dryer (FBD) Exhaust System?
An FBD exhaust system is designed to handle the air discharged during drying in a fluid bed dryer. It includes filtration, dust recovery, and air handling components to ensure clean and safe exhaust per environmental and GMP norms.
What are the key components of an FBD Exhaust System?
Pre-filter and fine filter (G4 to F9) HEPA filter (H13/H14) Bag filters or cyclone separator (for dust recovery) Exhaust blower with noise insulation Ducting with dampers and silencers Dust collector bin or automatic bag shaker (optional)
What is the purpose of the FBD exhaust system?
Prevents dust emission into the cleanroom or environment Protects HEPA filters from clogging Ensures consistent drying performance by maintaining negative pressure Complies with GMP and environmental regulations
How often should filters be changed or cleaned?
Pre-filters: Every 3–6 months or per pressure drop Bag filters: Cleaned periodically, replaced annually (if not automatic) HEPA filters: Tested and replaced every 12–18 months (based on DOP/PAO testing) Maintenance frequency depends on product load and operating hours
What are the safety features of these systems?
Explosion relief vents (for FBD handling volatile powders) ATEX or flameproof-rated motors (optional) Interlocks with upstream equipment Anti-static filters and grounding provisions
Can a deduster be integrated with other systems?
Yes, dedusters are often integrated with: Granulators or mills Tablet presses (as inline units) Metal detectors Vacuum transfer systems Closed-loop material handling lines
What cleaning and validation steps are required?
Disassembly or access ports for manual cleaning WIP/CIP systems available in high-end models Cleaning validation with swab/rinse tests HEPA filter integrity testing (for exhaust systems) Airflow and pressure drop qualification
Which standards do these systems comply with?
cGMP (21 CFR Part 210/211) EU GMP Annex 1 & 11 ISO 14644 (cleanroom environment control) OSHA/ATEX (for explosive dust environments) ISPE Good Engineering Practices (GEP)

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