Pharmaceuticals

Centrifugal blower and paddle dryer in pharma industry

Pharmaceutical companies have many fan necessities for conveying, processing and other similar processes. Our company has prominently supplied fans to the pharmaceutical industries for the past 20 years. We engineer and build durable, dependable, adaptable fans for our customers with an unmatched service guarantee.

Corrosive Gases

Corrosive gases are used in various applications such as medical functions, pharmaceutical processes, fume extraction etc. The burning materials’ corrosion releases acid, alkaline solutions and smoke, causing thermal damage. Including ferrous parts in the system brings the fan and other elements of the system instability. This causes the plant to corrode.

Fans installed in such conditions require a specialized material that should not possess ferrous material. Depending on the type of gases and their effect on the material, the blowers undergo different methodologies, like epoxy paint coating. Since the elements and gases can be harmful, we prioritize metals like SS 304 and SS 316.

Centrifugal Blower

Material handling: Industrial fans and blowers can be used to transport materials, either solid or in the form of a gas or fluid, through a system using mechanical or pneumatic force. At AS Engineers, we offer a range of industrial blowers designed explicitly for automatic and pneumatic transport, including high-pressure and low-pressure blowers. These blowers can be used in various industries, including pharmaceuticals, food and beverage, and more, to transport materials efficiently from one location to another.

Generate Vacuum: Fans and blowers can also be used to create a vacuum, which can be used in a variety of applications such as material handling, packaging, and drying. Our company offers a range of blowers that can create and maintain medium to high levels of vacuum, depending on the application’s specific needs. 

Air disinfecting systems: In the pharmaceutical industry, it is essential to maintain a high level of cleanliness and prevent contamination. Industrial fans and blowers can be used to ensure that the air in a facility is adequately disinfected. At AS Engineers, we offer blowers designed explicitly for air disinfection systems, ensuring that the air in your facility is clean and free of contaminants.

Batch reactors ventilation: In chemical processing and other industries, batch reactors mix and process materials. Proper ventilation is necessary to ensure that these reactors are operating safely and efficiently. Industrial fans and blowers can be used to provide ventilation for batch reactors, which are used to produce chemicals and other substances. Our company offers blowers that can provide the necessary ventilation for batch reactors, keeping your operations running smoothly.

Product processing and treatment: Fans and blowers can process and treat various products, such as drying or cooling them or helping to mix and blend different substances. At AS Engineers, we offer a range of blowers that can be used for this purpose, including centrifugal and positive displacement blowers. 

Conveying: Fans and blowers can be used to describe materials through air slides, which are used to transport dry, free-flowing powders and granules. Industrial blowers are used to provide the necessary air pressure for this process. At AS Engineers, we offer a range of blowers that can be used for air slide conveying systems.

Packaging: Industrial fans and blowers can be used in packaging systems to ensure that products are properly sealed and protected during transportation. Our blowers can provide air pressure to fill and seal packages efficiently. At AS Engineers, we offer a range of blowers that can be used for this purpose, including centrifugal and positive displacement blowers. 

Heat recycling and recovery: A significant amount of heat is generated in many industrial processes. To recover this heat and use it effectively, industrial blowers are used. Fans and blowers can be used to recover heat from various methods, helping to reduce energy consumption and costs. At AS Engineers, we offer a range of blowers that can be used for heat recovery, including regenerative blowers and other types of blowers.

Air supply for burners and boilers: Industrial burners and boilers require a steady air supply to operate efficiently. Fans and blowers can supply air to burners and boilers, helping to ensure that these systems operate efficiently. At AS Engineers, we offer a range of blowers that can be used for this purpose, including centrifugal and positive displacement blowers. These blowers can provide airflow to keep your burners and boilers running smoothly.

Cleanroom air treatment: In the pharmaceutical industry and other industries, clean rooms prevent contamination of materials and products. Industrial blowers are used to ensure that the air in these rooms is clean and free of contaminants. At AS Engineers, we offer a range of blowers that can be used for this purpose, including centrifugal and positive displacement blowers. These blowers can provide the necessary airflow to maintain the cleanliness of rooms.

Aeration of tanks and vessels: In many pharmaceutical processes, it is necessary to introduce air or gases into tanks and boats to facilitate reactions or mix products. Industrial blowers can provide the required airflow to these vessels to ensure proper mixing and processing.

Powder handling: During production, industrial blowers can be used in the pharmaceutical industry to convey and disperse powders, such as active ingredients or excipients. This helps ensure that the powders are accurately and consistently metered and mixed.

Freeze drying: In some pharmaceutical processes, it is necessary to freeze and dry products to preserve their stability and potency. Industrial blowers can provide the required airflow and temperature control to facilitate this process.

Drying and drying ovens: Industrial blowers can provide the necessary airflow and temperature control in drying ovens to dry pharmaceutical products such as tablets or capsules. This can help ensure the products are properly dried and ready for packaging.

Paddle Dryer

Paddle Dryers are an essential piece of equipment in the pharmaceutical industry, offering a range of benefits for drying, mixing, and breaking down materials. At AS Engineers, we provide a range of Paddle Dryers explicitly designed for use in the pharmaceutical industry.

One of the key benefits of our Paddle Dryers is the simultaneous drying, mixing, and breaking down of materials. Wet cakes or slurries are fed through the charging door while the agitator rotates clockwise. A vacuum is applied in the dryer, and heating media is circulated in the jacket, allowing for moisture evaporation under the vacuum. The vapours are then passed through the dust catcher into the condenser, where they are condensed and collected in the receiver. The dried material is then discharged through the discharge valve using lump breaker rods to achieve an effective drying result.

Our Paddle Dryers also feature a unique, quick-opening discharge valve operated by a hand wheel. This allows for quick material discharge and permits the dry product to be directly packed into convenient bags or drums without losing powder material. These dryers can also be provided in a single support (cantilever) design for use in pharma cleanrooms and isolators, with a capacity of up to 10,000 litres total volume.

The design of the paddles in our Paddle Dryers is such that reversing the electric motor direction is unnecessary for discharging the product. This increases the lifespan of the motor, gearbox, and equipment. We also offer a range of sealing options, including a stuffing box or mechanical seal with a thermo-siphon arrangement and a dish end design on request. Nitrogen purging and dust catcher cleaning arrangements are also available.

Our Paddle Dryers offer improved product quality due to low-temperature drying, and complete solvent recovery is achieved. They are suitable for drying various materials, including granules, powders of chemicals, pharmaceuticals, bulk drugs, pigments, dyestuffs, and fish and seafood under a vacuum. We offer Paddle Dryers in a range of sizes, from 100 litres to 25,000 litres, and they can be combined with automatic packing systems for further efficiency. We also offer lab-scale ANFD models for R&D purposes.

In the pharmaceutical industry, paddle dryers are commonly used to dry and process various materials, including tablets, capsules, granules, and powders. These dryers are particularly well-suited for this application due to their ability to operate under vacuum and at low temperatures, which helps preserve the integrity and potency of the processed materials.

One of the key benefits of using a paddle dryer in the pharmaceutical industry is the high efficiency of the drying process. Using a combination of vacuum and heating or cooling, paddle dryers can remove moisture from materials quickly and effectively without overheating or damaging the product. This helps to reduce production times and improve the overall efficiency of the drying process.

Another advantage of paddle dryers in the pharmaceutical industry is their ability to handle a wide range of materials and batch sizes. These dryers can accommodate materials with a wide range of particle sizes and shapes and can be easily adjusted to handle small or large batches as needed. This versatility makes them ideal for use in various pharmaceutical manufacturing processes.

In addition to their drying capabilities, paddle dryers can be used for mixing and blending applications in the pharmaceutical industry. By using a combination of paddle movement and vacuum, these dryers can integrate and coordinate materials, helping to improve the homogeneity and consistency of the final product.

Overall, using paddle dryers in the pharmaceutical industry has numerous benefits, including improved efficiency, versatility, and product quality. By leveraging these dryers’ unique capabilities, pharmaceutical manufacturers can optimize their production processes and produce high-quality products that meet the industry’s demanding requirements.

In summary, the features of our Paddle Dryers make them a valuable asset for the pharmaceutical industry. Their simultaneous drying, mixing and breaking down capabilities, quick-opening discharge valve, and various sealing and purging options make them effective and efficient for various drying and mixing applications.

AS Engineers’ Paddle Dryers are highly versatile and can be used in various applications within the pharmaceutical industry. Some of the critical applications include:

  • Drying of active pharmaceutical ingredients (APIs): Our Paddle Dryers can be used to effectively dry a range of APIs, including amino acids, antibiotics, and peptides.
  • Microencapsulation: Our Paddle Dryers can be used to microencapsulate a range of materials, including flavours and aromas, food additives, and pharmaceutical excipients.
  • Wet granulation: Our Paddle Dryers can be used to dry wet granules, improving the flowability and compressibility of the material.
  • Pharmaceutical excipients: Our Paddle Dryers can be used to dry a range of pharmaceutical excipients, including preservatives, sweeteners, and saccharine.
  • Cosmetics: Our Paddle Dryers can dry a range of cosmetics, including colourants and fragrances.
  • Natural extracts: Our Paddle Dryers can dry natural extracts, including those used in aromas and flavours.
  • Crystallization: Our Paddle Dryers can be used to dry crystals, improving their stability and purity.
  • Veterinary products: Our Paddle Dryers can dry a range of veterinary products, including vitamins and dietary supplements.

The features of our Paddle Dryers make them well-suited for use in the pharmaceutical industry. They offer a range of benefits, including complete tightness, high thermal efficiency, and low maintenance needs. Our Paddle Dryers are also designed for maximum tightness and have a high torque utilization, allowing for efficient drying and mixing of materials. Additionally, our Paddle Dryers are available in various sizes, making them suitable for both small and large-scale pharmaceutical applications.

Paddle Dryers are a valuable asset in the pharmaceutical industry, offering a range of benefits for drying, mixing, and breaking down materials. At AS Engineers, we provide a range of Paddle Dryers explicitly designed for use in the pharmaceutical industry, with features that make them an effective and efficient choice for various applications.

Some of the applications of our Paddle Dryers in the pharmaceutical industry include the drying of granules, powders of chemicals, pharmaceuticals, bulk drugs, pigments, dyestuffs, and fish and seafood under a vacuum. They are also suitable for processes with high viscosity and offer maximum tightness, high thermal efficiency, and short drying cycles.

Our Paddle Dryers can be offered with a range of add-on features that make them an ideal choice for the pharmaceutical industry, including:

  • Batch operation: Our Paddle Dryers can be used for batch processing, making them a flexible and efficient choice for various drying and mixing applications.
  • Complete tightness: Our Paddle Dryers can offer complete tightness with a vacuum level of less than one bar, ensuring that materials are dried and mixed effectively.
  • Atmospheric operating pressure: Our Paddle Dryers can be used at atmospheric operating pressure, making them suitable for various applications.
  • Operation temperatures up to 200º C: Our Paddle Dryers can operate at temperatures up to 200º C, allowing for efficient drying of various materials.
  • Design according to ASME VIII: Our Paddle Dryers can be designed according to any required industry standards upon our prior confirmation, ensuring their quality and reliability.
  • Sanitary design cGMP, FDA validated: Our Paddle Dryers can be designed with neat features, making them suitable for use in the pharmaceutical industry.
  • Internally mirror polished Ra ≤ 0.6 µm (Grit 360): Our Paddle Dryers can be polished to have an internal mirror glossy finish, ensuring they are easy to clean and maintain.
  • ‘CE’ stamping: Our Paddle Dryers can be certified for safety and compliance with industry standards like Safety for Machinery Directive 2006/42/CE
  • Internally electro-polished ≤ 0.2 µm: Our Paddle Dryers can be electro-polished for an even smoother finish.
  • Dust filter in the vacuum outlet: A dust filter in the vacuum outlet helps to remove any particles or dust that may be present in the materials being dried.
  • Discharge valve with a metal-to-metal seal: Our Paddle Dryers can have a discharge valve with a metal-to-metal seal, ensuring a secure and leak-free connection.
  • Sampling valve: A sampling valve allows for easy and convenient sampling of materials during the drying process.
  • Choppers for breaking lumps or balls of product: Choppers can be added to our Paddle Dryers to break down larger lumps or balls of material, improving the effectiveness of the drying process.
  • Sanitary design cGMP (see SANIDRY): Our Paddle Dryers are available with a clean design that meets cGMP requirements.
  • Condensation, vacuum and heating system: A condensation, vacuum, and heating system can be added to our Paddle Dryers to improve the efficiency of the drying process.
  • Hardware and Software for the unit control: Hardware and Software can be added to our Paddle Dryers to allow for precise control and monitoring of the drying process.
  • Pilot equipment available: Pilot equipment is available for testing and experimentation with our Paddle Dryers.
  • ATEX execution on demand: Our Paddle Dryers can be equipped with ATEX execution for potentially explosive environments.
  • ATEX 20/0 inner side, with the official certificate: Our Paddle Dryers can be certified for use in environments with a potential explosion.
  • Hydraulic operation of the primary motor: A hydraulic operation system can be added to the main engine of our Paddle Dryers for improved control and efficiency.

In summary, the applications of our Paddle Dryers in the pharmaceutical industry are numerous, and their features make them an effective and efficient choice for various drying and mixing needs. Our range of optional features allows for further customization and optimization of the drying process.


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