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Continuous Rotary Paddle Dryer

Ravi International logo
Ravi International
Manufacturer, Exporter — Mumbai, Maharashtra, India · Replies in ~24–48 hours
Export Ready
₹ 11,335.88 /Numbers In stock
Inclusive of all taxes
MOQ: 1 Numbers
Lead time: On request
GST invoice
Origin: India
Export ready
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Export Snapshot
Minimum order
1 Numbers
HSN Code
84798970
Origin
India
Lead time
On request
Port of dispatch
On request
Packaging
Standard export packaging
Shelf life / storage
As per product specification
Export markets served
Global markets
Ability to customise
As per OEM brief
Values shown are for Ravi International.
Company Ravi International
Ravi International logo
Ravi International

Ravi International is an engineering-driven manufacturer and solution provider specializing in process equipment and material handling systems for the pharmaceutical, chemical, food, and allied industries. We focus on translating process requirements into robust, GMP-compliant, and scalable machinery tailored to real-world plant conditions. With strong expertise in dryers, reactors, filtration systems, powder transfer, and turnkey process plants, Ravi International supports customers across the full project lifecycle—from process concept, detailed engineering, and fabrication to installation, commissioning, and after-sales support. Our strength lies in custom engineering, practical problem-solving, and transparent execution, making us a trusted partner for manufacturers, consultants, and SMEs seeking reliable performance, regulatory readiness, and long-term operational efficiency.

Registered address: Mumbai, India. Industry: Tools, Machinery & Components › Machinery Components & Supplies.

View profile →
Established
1970
Employees
11–30
GST
27AAGPP0322E1Z5
IEC code
Not shared
Export markets
Global markets
Member since
Dec 2025
Turnover
$250,000 - $1 MM
Incorporation type
On request
Product details

Working Principle :-

The Hollow chock shaped blades or wedge-shaped blades are concentrated on the hollow shaft. Heating media flows through the blades from the hollow shaft. The heat transfer area in the effective volume is very high. The temperature range of heating media is – 40 ºC to 300 ºC. Heating source could be steam, liquid state, such as steam, thermal oil etc.

A heating medium enters the hollow rotary shafts and paddles through a rotary feeder. After heat transfer and drying, it is discharge through the rotary discharger. The materials is continuously fed into the equipment. Next it is agitated and mixed near the paddles. At the same time, the material is gradually dried by the heat conduction of paddle and jacket. The height of overflow weir can be change to adjust residence time. In addition, steam produced in the drying process discharges through the escape hole with trace amount of air. By using oil for the heat medium, it is possible to use high temperature up to 300 Deg. C.

Slurry with high moisture content or material with high viscosity can be treated. Available under vacuumed condition as well,  for materials which are sensitive to high temperature.

Indirect heating, there’s no heat carried out by air. All heat is utilized to dry the materials except the lost of heat insulation layers. The surface of chock shaped blade has self-cleaning function. The relative movements of the product particles and the chocked shaped blades surface might clean the materials attached to the blades surface, so the heat transferring surface is clean during working.

The shell of hollow blade paddle dryer is Ω shape. 2 or 4 pieces of hollow stirring shaft are usually equipped in the shell. To avoid any leakage of materials and dust, there’re sealed terminal cover and top cover with the shell. The heat transferring media flow through the rotation connector, jacket’s shell and hollow stirring shaft.
The heat transfer medium passes through the rotary joint, through the housing jacket and hollow shaft, the hollow mixing shaft in accordance with the type of the heat media has a different internal structure, to ensure optimum heat transfer effect.

Description provided by Ravi International.

Enables continuous feed, drying, and discharge of materials for uninterrupted processing

Hollow chock-shaped or wedge-shaped blades with heating media flow inside blades and hollow shaft

Operating temperature range from -40ºC to 300ºC, suitable for a variety of heating media

Capable of drying paste, particles, powdery materials, slurry, and high viscosity substances

No heat carried out by air ensuring efficient heat utilization and reducing heat loss

Blade surface designed to prevent material buildup during operation maintaining high heat transfer efficiency

Optional vacuum condition support for heat-sensitive materials to prevent thermal damage

Overflow weir height can be adjusted to control material residence time within the dryer

Equipped with sealed terminal and top covers to prevent leakage and dust contamination

Compatible with various heating media including steam and thermal oil

Specifications
Blade Type
Hollow chock-shaped or wedge-shaped blades
Heating Media
Steam, thermal oil, or other liquid-state heating media
Operating Temperature
-40ºC to 300ºC
Material Handling
Paste, particles, powdery materials, slurry, and highly viscous materials
Heating Mode
Indirect heating through hollow blades and jacket
Construction Material
Ω-shaped shell with sealed terminal and top covers
Number of Hollow Stirring Shafts
Typically 2 or 4 shafts depending on model
Vacuum Option
Available for temperature-sensitive material processing
Discharge Method
Rotary discharger for continuous material output
Self-Cleaning Feature
Relative movement between particles and blade surface prevents buildup
Use cases
Category
Industrial Drying Equipment > Rotary Paddle Dryer
Primary application
Brand
Not specified
Product type
Product
Logistics & handling
Lead time
On request
Packaging
As per buyer requirement
Storage condition
As recommended by supplier
Origin
India
Form
As listed by supplier
Commercials Ravi International
Minimum order
1 Numbers
Lead time
On request
Payment terms
As per negotiated commercial agreement
Frequently asked by buyers
Can the Continuous Rotary Paddle Dryer handle materials with high moisture content and viscosity?

Yes, the rotary paddle dryer is specifically designed to handle slurry and highly viscous materials efficiently due to its hollow paddle design and adjustable residence time.

What types of heating media can be used with this paddle dryer?

The dryer supports various heating media including steam and thermal oil, allowing operation in the temperature range of -40ºC to 300ºC.

Is this equipment suitable for materials sensitive to high temperatures?

Yes, the paddle dryer can operate under vacuum conditions to safely dry heat-sensitive materials without thermal degradation.

How does the paddle dryer maintain its heat transfer efficiency during operation?

The chock-shaped blades feature a self-cleaning surface that prevents material buildup and maintains optimal heat transfer efficiency during continuous operation.

How can the residence time of the material inside the dryer be controlled?

The residence time is adjustable by changing the height of the overflow weir, allowing customization based on processing requirements.

Is there any leakage risk of materials or heating medium during operation?

No, the equipment is designed with sealed terminal and top covers on the shell, preventing any leakage of materials or dust contamination.

Question not answered? Sellers typically reply within 24–48 hours.

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