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熱交換器
  • Tranter
  • Heat Exchanger
The spiral heat exchanger was developed in the 1920s for use in the paper industry by the Swedish engineer Curt Rosenblad. For the first time, a heat exchanger was available that allowed troublefree heat transfer between particle-loaded process streams.

In the early 1970s, Tranter HES predecessor Kapp Apparatebaustarted manufacturing spiral heat exchangers based on an original design with distinct advantages over the Rosenblad design. Today, Tranter HES is the only company capable of manufacturing spiral heat exchangers either in its own design or in the Rosenblad design, in almost any size from any cold-workable and weldable
material. This engineering and manufacturing flexibility enables us to offer replacements units for all applications without the need for costly repiping.

Wide-Ranging Spiral HE Applications

• Cooling, heating, heat recovery
• Near-vacuum condensation
• Evaporation
• Thermosyphon
• Reboiling
• Vegetable oil, water treatment
• CPI, food, pharma, pulp & paper, primary  metals, mining
• Municipal waste water treatment/sludge processing
 The concept of a spiral heat exchanger is as simple as it is sophisticated. Two or four long metal strips, onto which spacer studs are welded, are wound
around a core, thus creating two or four equally spaced, single passage channels. An important feature of our design is the use of continuous strip from core to shell that avoids the weakening of internal welding seams and thickness transitions.



Different Flow Configurations For Different Tasks
 
Type A: Counter- Or Co-Current-Flow
• Both covers closing the spiral body 
• Liquid/liquid as well as vapor/liquid-applications

 
Type B: Cross-Flow
• Both covers at a distance from the spiral body
• Overhead condensation and evaporation applications



Type C: Cross-/Counter- Or Co-Current-Flow
• One cover closes the spiral body; the other is at a distance
• Condensation applications with the possibility of condensate sub-cooling