Sand Cooler

Product Details:

A sand cooler is an industrial heat exchanger designed to cool hot sand or granular materials by passing them through a cooling chamber with forced air or water. Commonly used in foundries, glass manufacturing, and mineral processing, sand coolers improve material handling, reduce thermal stress, and enhance process efficiency.

Product Details:

A sand cooler, traditionally known as a zeer pot, is a low-tech, electricity-free cooling device that uses evaporative cooling to keep food and other perishables fresh in hot, arid environments.

How It Works:

• Two clay pots (one smaller than the other) are used.

• The smaller pot is placed inside the larger one, and the space between them is filled with wet sand.

• The entire setup is covered with a damp cloth.

• As the water in the sand evaporates, it draws heat away from the inner pot, cooling the contents inside.

Benefits:

• Requires no electricity.

• Ideal for rural or off-grid areas.

• Can keep fruits, vegetables, and dairy products fresh for days or even weeks.

Applications:

• Used in parts of Africa, the Middle East, and Asia.

• Popular among sustainable living enthusiasts and preppers.