Chemical

blowers and paddle dryers for the chemical industry

Centrifugal Blower

Chemical-induced airflow has to be conveyed safely and efficiently by the blowers built with specific types of material. Many chemicals have corrosive elements that can dreadfully shorten the lifespan of any fan.

We at AS Engineers design & fabricate anti-corrosive, tightly-sealed, long-lasting industrial fans and blowers to process different types of chemicals. Additional protective measures, such as rubber lining, is available to increase the durability of these centrifugal blowers.

Selective Catalytic Reduction

Selective catalytic reduction is a process where nitrogen oxides are converted into diatomic nitrogen and water using a variety of catalysts. This process is prevalent in many applications, including power plants’ boilers, incinerators, and furnaces. We at AS Engineers manufacture fans that are approved and tested in the formulation of these processes. We manufacture industrial fans & blowers that maintain high efficiency and consistent performance in Selective Catalytic Reduction.

Dryer Industry

Spray Dryers, Spin Flash Dryers, and Fluid Bed Dryers are some of the most widely used types of dryers used in the dryer industry. Centrifugal fans are used in these processes to convey the vapour left after drying the product. Spray drying requires large volumes of air with enough pressure to overcome all the resistance in the system. 

We at AS Engineers provide our clients with this specification and further fulfil their technical requirements. In the context of dryers, high-capacity fans are generally used to dry the product. We build high-efficiency, highly durable tailor-made fans & blowers that fit our client’s specific requirements.

A sludge dryer with a Paddle design is suitable for chemical industries’ ETP sludge and municipal sludge drying. The drying treatment of sludge makes it possible for the sludge to be used in agriculture as fuel, incineration, and even to reduce landfill sites in the chemical industries. 

Benefits of AS Engineers’ Paddle Dryer in the Chemical Industry:

  • Compact & Sturdy Design
  • High Thermal Efficiency
  • Self Cleaning Paddles
  • Minimal Dusting
  • Minimum cost of drying
  • Suitable to dry sludge up to less than 5% without back mixing with sludge moisture up to 90%
  • The paddle dryer’s construction material can be carbon steel or stainless steel grade 304L or 316L, depending on the type of sludge handled. Also, a special abrasion-resistant lining is applied on the paddle surface when handling abrasive sludge.

Centrifugal blowers play a vital role in the chemical industry by conveying chemical-induced airflow safely and efficiently. These industrial fans use a spinning motion to generate airflow and are known for their high-volume flow and ability to handle large volumes of air at high pressures.

In the chemical industry, centrifugal blowers are used in a wide variety of applications, including:

  • Ventilating and exhausting hazardous gases and vapours
  • Providing the necessary airflow for chemical reactions and processes
  • Drying and cooling products
  • Conveying air for drying and cooling equipment
  • Ventilating chemical manufacturing plants
  • Conveying air for pneumatic conveying systems

One of the key challenges of using centrifugal blowers in the chemical industry is the potential for corrosion and wear due to many chemicals’ harsh and corrosive nature. To address this issue, AS Engineers designs and manufactures anti-corrosive, tightly-sealed, long-lasting industrial fans and blowers specifically designed to withstand the harsh conditions of chemical processing environments. We also offer a range of customization options, including protective measures such as rubber lining, to ensure that our products meet the specific needs of our customers.

In addition to our standard centrifugal blowers, we also have extensive experience in designing and manufacturing custom equipment for the chemical industry. Our team of experienced engineers is dedicated to helping our customers find the best solutions for their needs and ensuring their equipment runs smoothly and efficiently. If you need a centrifugal blower for your chemical processing facility, we encourage you to contact us to see how we can help. We would be happy to discuss your specific needs and provide more information about our products.

Paddle Dryer

Paddle dryers are widely used in the chemical industry for various applications, including drying organic and inorganic compounds, solvent stripping and recovery, controlled thermal reactions, and calcining up to 400˚C.

Some of the key applications of paddle dryers in the chemical industry include the following:

Drying: Paddle dryers are highly efficient at reducing moisture content in a wide range of materials, including metal hydroxides, metal oxides, and metal ores. Thanks to their low drying temperatures and short residence times, they are also suitable for drying heat-sensitive food products.

Solvent stripping: Paddle dryers are often used in solvent stripping applications, where the goal is to remove volatile organic compounds (VOCs) from a product. They can achieve up to 99% VOC removal rate, making them ideal for use in the petrochemical industry.

Controlled thermal reactions: Paddle dryers can achieve controlled thermal reactions, such as phase transitions and thermal decomposition. This makes them ideal for calcining materials such as polyethene, polypropylene, and PET.

Cooling: Paddle dryers can also be used to cool powders and other materials, thanks to their ability to remove heat from the product while it is being conveyed.

AS Engineers is a leading manufacturer of paddle dryers, with a wide range of units available to meet the specific needs of the chemical industry. Our paddle dryers are known for their high performance and efficiency and are suitable for various applications. Our team of experienced engineers is dedicated to helping our customers find the best solutions for their needs. We are confident that we can provide you with the right paddle dryer for your application.


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