Chillers

Introduction

Chillers are crucial industrial machines used to remove heat from a liquid via a vapor-compression or absorption refrigeration cycle. The chilled liquid is then circulated through heat exchangers to cool machinery, products, or facilities.

A chiller is a cooling system that removes heat from a process or space and transfers it elsewhere. Commonly used in HVAC systems, industrial processing, plastic manufacturing, and food and beverage sectors.

Types of Chillers

A. By Technology

  • Air-Cooled Chillers – Use ambient air to dissipate heat.
  • Water-Cooled Chillers – Use water from a cooling tower to reject heat.
  • Absorption Chillers – Use heat as energy input, often for waste heat recovery.

B. By Material

  • Steel Body Chillers – Strong, durable, and widely used.
  • Aluminum Chillers – Lightweight but less durable.
  • Copper Tube Chillers – Excellent thermal conductivity.

Applications in Various Industries

  • Plastic Industry – Injection molding cooling.
  • Pharmaceutical Industry – Temperature-controlled processing.
  • HVAC Systems – Commercial and industrial buildings.
  • Food & Beverage – Cooling in bottling and storage.
  • Laser and Welding Machines – Thermal control.

Material Selection Considerations

  • Corrosion Resistance – Especially for water-contact parts.
  • Heat Conductivity – For faster cooling efficiency.
  • Durability & Maintenance – Material should resist scaling and thermal stress.

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