Pipe Bundle Dryer Machine Rotary Joint for starch industry

Description

Product Overview: Pipe Bundle Dryer Machine Rotary Joint

The Pipe Bundle Dryer Machine Rotary Joint is a high-performance rotary sealing device designed specifically for the starch drying industry. It enables the efficient transfer of steam or thermal oil between stationary and rotating parts of the pipe bundle dryer, ensuring reliable heat exchange, minimal leakage, and stable operation over extended production cycles.

This rotary joint is the core connection in starch drying systems, used to deliver heating media into rotating drum bundles for moisture removal. Engineered with precision and durability in mind, it ensures that steam flows smoothly through the rotary union without mixing with condensate or leaking, which is critical for energy efficiency and product quality in starch production.

How the Pipe Bundle Dryer Machine Rotary Joint Works

The rotary joint connects the stationary steam supply pipe to the rotating pipe bundle drum.

1. Steam Entry – Steam enters through the fixed side and passes through the rotary joint into the rotating bundle.

2. Heat Transfer – The hot steam flows inside the tubes, heating and drying the starch efficiently.

3. Condensate Discharge – The rotary joint simultaneously allows condensate to exit through a separate channel, maintaining consistent drying performance.

By providing continuous, leak-free rotation, the rotary joint ensures stable heat transfer, minimizes energy loss, and enhances the uniformity of starch drying.

Key Features of Pipe Bundle Dryer Machine Rotary Joint

High-Temperature & Pressure Resistance

Designed for saturated steam up to 300°C and pressures up to 2.0 MPa.

Durable Mechanical Seal System

Utilizes carbon-graphite and silicon carbide sealing pairs for extended lifespan.

Stable Rotation Under Load

Precision bearings ensure smooth operation at rotation speeds up to 200 RPM.

Optimized for Steam Condensate Systems

Ensures balanced flow and efficient condensate discharge.

Corrosion-Resistant Construction

Stainless-steel housing and hardened shafts withstand humid and acidic starch-processing environments.

Easy Maintenance Design

Modular assembly allows for quick replacement of seals and bearings without full disassembly.

Design Highlights of Pipe Bundle Dryer Machine Rotary Joint

Advanced Mechanical Seal Technology

The rotary union seal employs a balanced mechanical sealing structure, minimizing face wear and reducing energy loss.
Its low-friction seal pair (carbon vs. silicon carbide) maintains consistent performance under thermal stress and high rotational speeds.

Independent Flow Paths

The design supports dual flow paths for steam and condensate, preventing backflow and ensuring efficient condensate evacuation from the dryer drum.

Rugged Bearing Support

High-precision dual ball bearings or graphite bushings provide stable rotation and resist vibration caused by the rotating pipe bundle.

Corrosion Protection

All wetted parts are manufactured from stainless steel or plated alloy, preventing corrosion from process steam and condensate impurities.

Why It’s Ideal for the Starch Industry

In starch production, maintaining consistent drying temperature and humidity control is critical to final product quality.
The Pipe Bundle Dryer Rotary Joint ensures:

• Uniform heat distribution across the drying tubes

• Controlled condensate drainage for efficient moisture removal

• Stable mechanical rotation without vibration or seal failure

This results in improved starch purity, shorter drying times, and reduced operational costs — making it a preferred choice for modern starch factories worldwide.

Why Choose our Pipe Bundle Dryer Machine Rotary Joint

• 10+ years of experience in rotary joint and rotary union manufacturing

• Full compatibility with Deublin, Maier, and Kadant models

• Factory-direct pricing with OEM customization

• Fast delivery and technical support

• Proven performance in the starch and chemical industries

We help you reduce downtime, improve drying efficiency, and extend the life of your equipment.