Direct Contact Heaters

DCH plus Direct Contact Heaters

Direct Contact Heater is a heat exchanger that works on the principle of counter current heat exchange. DCH is an alternative approach to the plate and tabular heaters.

DCH plus Direct Contact Heaters offered by IPROINDIA are equipped with optimum internal design for better mixture of liquids and vapours. The direct contact heaters directly/indirectly play an important role in energy saving. Over the years, these have become integral part of newly setup efficient sugar plants as well as existing plants being optimized.

The main concept behind the design of the DCH plus Direct Contact Heaters is to handle higher load variations with minimal performance change. Compared to conventional heaters very little space, piping and structure is required. The heaters are designed according to ASME standards with SS 304 material.

External Entrainment Seperator

There could be a significant sugar losses due to entrainment. Though, DCH plus design don’t allow entrainment, but still external separator is provided as added safety feature to avoid any sugar loss.

Direct contact heaters
Direct contact heater
Entrainment separator

Entrainment separator

Features and Advantages

  • Low temperature approach
  • No cleaning required in running season
  • Constant performance
  • Simple design and easy operation
  • Low cost, easy to integrate with low space demand
  • Operates with low pressure vapors

Applications

  • Scalding juice
  • Raw juice
  • Sulphited juice
  • Clear juice
  • Filtrate
  • Syrup
  • Melt
  • Liquor
  • Molasses conditioning

Performance

The efficient mixture of vapours and liquids enables the heaters achieving approach temperatures of 0.5 – 2 K. The vapour bleeding can be shifted backwards to make the process more steam efficient.

Automation

Automation is provided on DCH plus to ensure the desired performance.
Direct contact molasses conditioners
Entrainment separator for DCH
Direct contact molasses conditioner 2
To know about steam saving with direct contact molasses conditioners click here

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