Ribbon Blender

Ribbon Blender
Compact Powder Blending Machine for Pharma Industry

Ribbon Blender For Pharmaceutical, Nutraceutical, Cosmetic, Chemical And Food Industry

Ribbon Blender Model LI-RB is compact model used widely in pharmaceutical, nutraceutical, cosmetic, chemical and food industry. It is a light duty, compact blender is specially designed to achieve convention mechanism of blending powder components which are pre–processed like dried granules, pre-sieved powders etc. It is low shear mixer and ideal for solid/ solid mixing and solid/ liquid mixing can also be achieved when high shearing force is not desired. It occupies less head room space for large volume mixing unlike Double Cone, 'V' Blenders etc.

The Lab Ribbon Blender Inside View is used in laboratories for research and development due to which it is also known as R&D Ribbon Blender Inside View. It is also known by the names Mini Ribbon Blender Inside View, Small Ribbon Blender Inside View and Compact Ribbon Blender Inside View due to its small and compact size.

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The Ribbon Blenders facilitate the mixing of a high number of solids. It also contributes economically to the work done and is capable of mixing homogenous mixture in a very short period. The equipment in the mini ribbon blender is so ergonomically designed that they give a uniform blend and smooth results. The compact ribbon blender has sustainability that can last for years because of the stable material used in its production. What makes this compact ribbon blender even more viable is that it occupies less space and can be used for accuracy. This promotes its use as a Lab Ribbon Blender or an R& D Ribbon Blender and is very flexible, efficient, and productive.

Special features:
  • Available in two shapes - U & W.
  • U-for Low to Medium Volume Capacity (single shaft).
  • W-for Large to Mega Volume Capacity (double shaft).
  • Batch size based on 65% of Blender volume.
  • All contact parts in stainless steel 304.
  • Bearing mounted on lanterns out of mixing zone to avoid Cross contamination.
  • Feeding through a charging port mounted on top of the blender.
  • Reduced Material handling due to side discharge facility of processed materials.
  • Monoblock Design avoids Cross Contamination
  • Meets all cGMP / cGMP standards
  • Air purge on the side entry seals for better cross contamination control
  • Continuous Ribbon design for complete discharge of the finished product.
  • Variable frequency drive for fine tuning the Shear energy at different stages of Blending
  • Belt driven power transmission for Quieter environment and less maintenance.
  • Reduced material handling with Top mounted charging port and Side discharge arrangement for Total containment.
  • Bearing mounted on the lanterns outside the Mixing zone to avoid Cross contamination.
  • Paddle style agitator instead of Ribbon for Blending fragile materials.
  • Capacity available 50 Kg to 2500 Kg

Applications:
  • Pharmaceutical
  • Nutraceutical
  • Chemical
  • Cosmetics
  • Food

Technical Specification:
Model No. Gross Capacity (Liters) Working Capacity (Liters) Overall Dimension (mm) Motor (HP) Approx. Weight (Kgs.)
L B H
LI-RB1 100 65 1000 800 1000 3 600
LI-RB3 300 195 2000 1100 1100 5 1200
LI-RB5 500 325 2500 1200 1300 7.5 1300
LI-RB10 1000 650 2700 1300 1800 10 2800
LI-RB20 2000 1300 3200 1400 2300 15 4000
LI-RB50 5000 3250 3600 1500 2500 25 4500

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Vacuum Tray Dryer FAQs

It is a pharmaceutical drying machine that combines low-pressure vacuum conditions with gentle shelf heating to remove moisture from pharmaceutical granules, Ayurvedic herbal materials, nutraceutical formulations, and cosmetic raw materials — enabling drying at significantly lower temperatures than atmospheric pressure drying, protecting thermolabile active compounds and volatile botanical ingredients from heat degradation during the drying process.

A lab vacuum tray dryer is a compact, small-capacity vacuum drying cabinet designed for pharmaceutical formulation development laboratories, Ayurvedic research centers, and nutraceutical R&D facilities — drying small granule batches, herbal extract samples, and formulation development materials at precisely controlled low temperatures under vacuum to study drying kinetics and validate residual moisture specifications before scale-up.

Vacuum drying reduces the boiling point of water — allowing moisture evaporation at temperatures as low as 30°C to 50°C under vacuum — enabling pharmaceutical and Ayurvedic manufacturers to dry thermolabile APIs, heat-sensitive herbal active compounds, volatile essential oil-containing botanical materials, and oxidation-prone nutraceutical ingredients without the thermal degradation risk of conventional hot air drying.

Yes, it is particularly valuable in Ayurvedic manufacturing for drying heat-sensitive herbal extracts, concentrated plant decoctions, botanical spray-dried powders, and volatile essential oil-containing herbal materials — preserving thermolabile phytochemicals, aromatic compounds, and biological activity of Ayurvedic herbal actives that would be degraded by the higher temperatures required for atmospheric hot air drying.

Absolutely — nutraceutical companies drying vitamin granules with heat-sensitive potency, probiotic formulations requiring low-temperature drying, and natural botanical extract powders use vacuum tray dryers to maintain biological activity and potency, while cosmetic manufacturers dry sensitive natural ingredient preparations that require gentle moisture removal below the thermal degradation threshold of their active cosmetic compounds.

The vacuum tray dryer operates by placing material-loaded trays on heated shelves inside a sealed chamber — with a vacuum pump reducing internal chamber pressure to create a low-pressure environment — causing moisture to evaporate at much lower temperatures than normal boiling point, with the water vapor condensed and collected in a condenser trap or discharged through the vacuum pump system.

Pharmaceutical vacuum tray dryers typically operate at vacuum pressures of 50 to 700 mbar — with shelf heating temperatures of 30°C to 80°C — achieving product drying temperatures significantly lower than the shelf temperature due to evaporative cooling, enabling safe drying of thermosensitive pharmaceutical APIs and Ayurvedic herbal materials at product temperatures as low as 25°C to 45°C.

Yes, it is manufactured with GMP-compliant SS 316 inner chamber, tray shelves, and product contact surfaces — with vacuum-rated chamber construction, calibrated temperature sensors, validated vacuum pump systems, and comprehensive qualification documentation support — meeting Schedule M, WHO-GMP, and AYUSH regulatory standards for licensed pharmaceutical and Ayurvedic drying operations.

Laboratory vacuum tray dryers are available in chamber sizes from 0.5 sq. ft. to 4 sq. ft. shelf area — accommodating 2 to 12 individual drying trays — providing the capacity range needed for small pharmaceutical formulation development batches, Ayurvedic herbal extract drying studies, clinical trial material processing, and analytical sample preparation in research laboratory settings.

The low operating temperatures achievable under vacuum prevent thermal degradation of heat-sensitive vitamins including ascorbic acid, thiamine, and riboflavin — and maintain probiotic viability during drying — making vacuum tray drying the preferred drying method for nutraceutical formulations where vitamin potency retention and probiotic colony count preservation are critical quality parameters.

Yes, vacuum tray dryers are particularly valuable for drying pharmaceutical granules prepared with flammable organic solvents like ethanol, isopropanol, and acetone — because the enclosed vacuum environment prevents solvent vapor from reaching explosive concentrations, with the vacuum system collecting solvent vapors in the condenser for safe disposal and solvent recovery.

A validated vacuum tray dryer with documented drying parameters and residual moisture testing data provides the process control evidence required for AYUSH product licensing — demonstrating that sensitive Ayurvedic herbal extracts and formulations are dried under controlled low-temperature conditions that preserve botanical active compound integrity and meet declared shelf life specifications.

The condenser system captures moisture and solvent vapors leaving the heated drying chamber — condensing them into liquid in a cooled trap before they reach the vacuum pump — protecting the vacuum pump from moisture and solvent damage, enabling solvent recovery for pharmaceutical organic solvent granule drying, and ensuring efficient vacuum maintenance throughout the drying cycle.

Vacuum tray drying is slower than fluid bed drying but operates at significantly lower temperatures — making it preferred for thermolabile pharmaceutical APIs, heat-sensitive Ayurvedic herbal extracts, and organic solvent granule drying where temperature or explosion risk concerns rule out fluid bed drying, while fluid bed drying remains preferred for thermally stable granules requiring fast high-volume drying throughput.

Yes, lab vacuum tray dryers provide precisely controlled temperature and humidity conditions needed for pharmaceutical product stability testing — creating the defined environmental conditions required for ICH stability studies of pharmaceutical formulations, Ayurvedic herbal products, and nutraceutical supplements when used in conjunction with appropriate humidity control systems.

Material is spread uniformly in thin layers on SS 316 trays to maximum recommended depth, trays are loaded onto numbered shelf positions in the chamber, the door is sealed and vacuum applied gradually while shelf heating is initiated — with periodic vacuum monitoring and documented temperature and vacuum pressure data recorded throughout the drying cycle until target residual moisture is achieved.

The vacuum tray dryer chamber features smooth SS 316 internal surfaces, removable shelves, and individually cleanable drying trays — with all surfaces accessible for manual cleaning and swab sampling, making cleaning validation straightforward with swab recovery studies conducted from shelves, trays, and chamber walls to confirm cross-contamination prevention between different pharmaceutical and Ayurvedic product batches.

The vacuum tray dryer requires a 220V single-phase or 440V three-phase power supply depending on model size, a vacuum pump with 6 to 100 mbar achievable vacuum capability, steam or electric shelf heating supply, and a cooling water supply for the condenser system — standard utilities available in most Indian pharmaceutical, Ayurvedic, and nutraceutical manufacturing facilities.

Yes, Lodha Pharma provides complete on-site machine installation, vacuum pump performance qualification, shelf temperature uniformity mapping, sensor calibration, Factory Acceptance Test (FAT) documentation, IQ/OQ validation support, drying parameter development guidance, operator training, Annual Maintenance Contracts (AMC), and fast availability of vacuum pump components, chamber seals, and shelf heating elements — ensuring validated and reliable low-temperature drying performance throughout the machine's operational life.

Simply contact Lodha Pharma through their official website with your material type and heat sensitivity profile, required batch size, target residual moisture specification, vacuum and temperature requirements, solvent or aqueous granulation system, GMP or AYUSH 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 vacuum tray drying solution for your pharmaceutical, Ayurvedic, or nutraceutical manufacturing and R&D requirements.

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We’ve been using the Manual Capsule Filling Machine for several months and are very impressed with its performance. It's robust, easy to maintain, and ideal for our needs. Highly satisfied with Lodha International LLP.

The Automatic Capsule Loader from Lodha International revolutionizes the industry. It increased our production speed significantly while reducing human error. It is an excellent investment for any pharma company.

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We recently upgraded to the Automatic Capsule Filling Machine from Lodha International LLP. The machine is fantastic—fast, precise, and cost-effective. It has made an important difference in our manufacturing quality.

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