Review On: Chiller and Freezing Device
Authors- Shrinidhi M R, Assistant Professor Mrs. Janani B
Abstract-Refrigeration is essential for preserving perishable goods, but in developing countries like Nigeria, unreliable electricity hampers the efficiency of conventional refrigeration systems. This has led to an increased demand for alternative cooling solutions, such as ice, particularly in areas with frequent power outages and tropical climates. Traditional ice-making machines, while critical in various industries, are often bulky, expensive, and labor-intensive. To address these challenges, portable, efficient, and eco-friendly chilling and freezing devices based on the Peltier Effect have been proposed. There are two different ways that the cold chain operates. The goal of procedures like primary and secondary cooling or freezing is to alter the food’s average temperature. The fundamental goal of others, such transit, retail display, and chilled or frozen storage, is to keep the food at a consistent temperature. Although it is a challenging, time-consuming, and energy-intensive process, removing the necessary amount of heat from food is essential to the cold chain’s functioning. It gets harder to regulate and maintain a food’s temperature as it travels up the cold chain. This is due to the fact that single consumer packs in vast storerooms are far more susceptible to little heat inputs than bulk packs of chilled food. These devices utilize thermoelectric cooling, offering several advantages, including portability, energy efficiency, silent operation, and environmental sustainability. By eliminating harmful refrigerants and moving parts, they provide a reliable, cost-effective solution for rapid cooling or freezing of liquids across industries like food and beverage, pharmaceuticals, and chemical processing. The development of these devices ensures precise temperature control, reduces waste, and improves overall operational efficiency, especially in regions with unreliable power supply. This paper explores the need, design, and advantages of Peltier-based portable cooling devices, emphasizing their potential to meet the growing demand for efficient and eco-friendly refrigeration in various applications.