Conical mixer and dryer with stainless steel finish, ideal for blending and drying powders and granules efficiently.
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A Closer Look at the Inner Workings of Conical Mixer and Dryer Machines

In the realm of pharmaceutical and chemical process equipment, Chemiplant Engineering Company stands out as a beacon of innovation and quality. Under the visionary leadership of Mr. Ved Kalra, the company has flourished over four decades, continually adding new and innovative process equipment to its repertoire. Among its offerings are conical mixer and dryer machines, versatile tools that find diverse applications in various industries.

 Chemiplant’s Mixer-Dryer is widely used for processing products in a wide spectrum of industries ranging from chemicals, pharmaceuticals, food, confectionery, cement, detergents & soap, chocolates, electronics (additives) & automobiles (brake lining compounds). This broad field of application includes both operations of atmospherics & pressure or vacuum. Chemiplant’s Conical Mixer-Dryer consists of a conical chamber with an orbiting arm and a rotating screw element.

A unique feature of this system is the combination of the upward motion of the product (with the help of a screw) and the secondary transporting movements of the particles along the periphery resulting in a thorough & quick mix along with higher heat transfer coefficients (reduced drying times). The discharge of the product takes place through the bottom of the cone.

Materials:

  • Standard models come in various grades of Stainless Steel like SS316/SS316L and SS304/SS304L.
  • Exotic Metals such as Hastealloy, Monel, Inconel, etc can also be supplied as per the requirements.

Advantages of Conical Mixer – Dryer:

  • Efficient Mixing action and high heat transfer area due to the combined action of the screw and revolving arm (hence faster drying)
  • Combination of various processes in a single piece of equipment namely mixing, drying, homogenizing, de-aeration, extraction (herbs) & various reactions (solvent recovery).
  • Simple, fast loading & discharge of Product.
  • Low floor Space is required compared to other horizontal dryers.
  • Low product temperature & most suitable for heat-sensitive products.
  • Low power consumption compared to horizontal dryers & hence energy savings.
  • Totally enclosed operation ensures environmental & operator safety.
  • Large working capacities ranging up to 30KL.

Applications:

Polymeric Reaction:

Conical mixer and dryer machines facilitate polymeric reactions, allowing for the synthesis of polymers with precise control over parameters such as temperature and mixing intensity. These machines ensure thorough blending of polymer precursors, leading to uniform polymerization and the desired product characteristics.

Reactions under a Blanket of Inert Gas:

In industries where reactions must be carried out under an inert atmosphere to prevent oxidation or other undesirable reactions, conical mixer and dryer machines prove invaluable. They provide a sealed environment conducive to conducting reactions under a blanket of inert gas, ensuring product purity and consistency.

Extraction from Plants & Herbs:

Conical mixer and dryer machines are employed in the extraction process of valuable compounds from plants and herbs. By combining gentle mixing with controlled drying, these machines help extract essential oils, flavors, and active ingredients efficiently, preserving their integrity and potency.

Decaffeination of Coffee:

The decaffeination process of coffee beans involves the removal of caffeine while retaining the flavor compounds intact. Conical mixer and dryer machines play a crucial role in this process by facilitating solvent extraction and subsequent drying, ensuring that the decaffeinated coffee retains its aroma and taste.

Alkalizing of Cocoa:

In the chocolate industry, conical mixer and dryer machines are utilized for alkalizing cocoa powder, a process that modifies its flavor and color. These machines ensure thorough mixing of cocoa powder with alkali agents, followed by controlled drying, resulting in cocoa with the desired alkalinity and taste profile.

Removal of Solvents with High Boiling Points from Powders:

Conical mixer and dryer machines are adept at removing solvents with high boiling points from powders, a common requirement in pharmaceutical and chemical processing. Through a combination of gentle mixing and controlled drying, these machines facilitate solvent removal without compromising product quality.

Preparation & De-aeration of Pastes and Creams:

Conical mixer and dryer machines are utilized for the preparation and de-aeration of pastes and creams in the cosmetic and pharmaceutical industries. By subjecting the mixture to controlled agitation and vacuum drying, these machines ensure the removal of air bubbles, resulting in smooth and homogeneous products.

Conclusion

In conclusion, conical mixer and dryer machines exemplify the ingenuity and versatility of Chemiplant Engineering Company’s offerings. From facilitating polymeric reactions to aiding in the extraction of valuable compounds from natural sources, these machines find diverse applications across industries. With their precise control over mixing and drying parameters, conical mixer and dryer machines contribute to the efficient and reliable processing of pharmaceuticals, chemicals, and other products, reflecting Chemiplant Engineering’s commitment to excellence in process equipment manufacturing.

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A large industrial machine with a tank, known as Rotary Vacuum Paddle Dryers.
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Decoding Rotary Vacuum Paddle Dryers

Chemiplant’s Rotary Vacuum Paddle Dryers serve as essential tools for transforming wet cakes or solutions into dry powders efficiently. These dryers typically operate under vacuum conditions and function as batch operations. Featuring a fixed cylindrical shell with a centrally located rotating agitator, these dryers boast a hollow rotating shaft heated by hot water or steam circulation. Mechanical seals are incorporated on both the utility side and the vacuum side to ensure optimal performance.

With a large heat transfer area facilitated by the heated shaft and paddles, these dryers achieve maximum heat transfer coefficients. The drive mechanism comprises a reduction gearbox with a chain sprocket system coupled to the drive motor, providing reliable operation. Mounted on a skid, the entire assembly, along with the dryer chamber, minimizes foundation costs and reduces maintenance expenses.

Materials of construction primarily include Stainless Steel AISI 316, with the option for special alloys such as C22 and C276 available upon request. Offering a comprehensive solution, Chemiplant’s Rotary Vacuum Paddle Dryers enable multiple operations within a single unit. Processes like mixing, liquid addition, evaporative concentration, reaction, drying, and cooling are seamlessly carried out without the need for intermediate storage, transportation, or cleaning.

Advantages of Paddle Dryer:

  • Ensures safety for operators, the environment, and the product.
  • Achieves high vacuum levels with minimal final moisture content in the product.
  • Maintains uniformity and homogeneity throughout the drying batch.
  • Reduces power consumption, enhancing operational efficiency.
  • Facilitates ease of washing for batch changeovers due to effective Clean-In-Place (CIP) systems.
  • Enables solvent recovery, enhancing overall process sustainability.

Turn-Key Supply System – Cantilever Dryer:

Chemiplant offers a comprehensive range of accessories tailored for the Rotary Vacuum Paddle Dryer, including necessary fittings designed to meet diverse process requirements:

  • Heating and cooling assembly for the jacket/limpet, comprising a hot water tank, circulation pump, heating/cooling coil, and necessary control valves.
  • Dust collector system effectively captures valuable product carried away with vapors in a filter bag, utilizing reverse flow of N2 air in a pulsation circuit to redirect the product back into the dryer.
  • Vacuum pump ensures optimal vacuum conditions within the dryer chamber.
  • Necessary piping and valves are available upon request to streamline the installation process.
  • Control panel with PLC (Programmable Logic Controller) and SCADA (Supervisory Control and Data Acquisition) system, equipped with VFD (Variable Frequency Drive), timers, contactors, relays, and temperature indicators/controllers, enabling centralized supervision and process management, ensuring reproducibility and control.

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