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Maximize Process Efficiency & Reliability with Industrial Kettle Type Reboilers

What is a Kettle Type Reboiler?

A Kettle Type Reboiler is a specialized shell-and-tube heat exchanger used for reboiling applications in chemical, petrochemical, and oil & gas industries. It works by vaporizing a portion of the bottom liquid from a distillation column to provide the necessary heat for the separation process.

At Yuhong Group, our kettle-type reboilers are engineered for:

• High heat transfer efficiency
• Ease of maintenance
• Reliable performance under continuous operation

The design typically includes a kettle drum (shell side) where liquid collects and a tube bundle for vapor generation. The excess liquid leaves as bottoms product, while generated vapor returns to the distillation column.

General Construction & Design Standards

• Design Codes: ASME Section VIII, TEMA Standards, API 660 (as applicable)
• Heat Transfer Area: Typically ranges from 10 m² to 1500 m² (customizable)
• Flow Arrangement:
  • Tube Side: Heating medium (e.g., steam, hot oil)
  • Shell Side: Process fluid to be vaporized
• Bundle Type: Removable U-tube or straight tube with floating head for easy maintenance

Technical Specifications

• Operating Pressure: Up to 40 bar (depending on material and design)
• Operating Temperature: Up to 400°C (with suitable materials)
• Vapor Load Handling: Designed for large vaporization rates
• Vapor Space: Sufficient for disengagement to avoid liquid carryover
• Typical Heat Duty: 0.5 MW to 25 MW (custom-designed)

Material of Construction (MOC)

We offer a range of materials based on process conditions, corrosion requirements, and temperature:

Shell & Kettle Drum:

• Carbon Steel (ASTM A516 Gr. 60/70)
• Stainless Steel (SS304, SS316, SS316L)
• Duplex Stainless Steel
• Alloy Steel (Chrome-Moly, ASTM A387)

Tube Bundle:

• Stainless Steel (SS304, SS316, SS316L)
• Copper-Nickel Alloys
• Inconel, Monel, Hastelloy (for corrosive services)
• Titanium (for seawater or highly corrosive environments)

Gaskets & Seals:

• Spiral Wound Gaskets (SS + Graphite)
• PTFE (for corrosive applications)

Key Features

• Removable Tube Bundle for easy inspection and maintenance
• Large Kettle Design for proper vapor disengagement
• Customizable Nozzle Orientation to suit piping layout
• High Thermal Efficiency through optimized design
• Compliance with International Codes (ASME/TEMA)

Applications

• Petrochemical Plants: Distillation and fractionation units
• Refineries: Atmospheric and vacuum distillation reboilers
• Chemical Plants: Evaporation and stripping duties
• Power Plants & Fertilizer Units: Heat recovery and reboiling services

Benefits

• Long operational life with robust materials
• Handles large vapor and liquid loads
• Flexible design for a wide range of duties
• Low maintenance cost due to easy tube removal

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