Spiral precoolers are crucial and highly efficient equipment in modern poultry slaughtering and processing, offering significant advantages over traditional pool precooling (groove precooling). The spiral precooler uses spiral blades to propel the chicken carcass slowly and regularly within the trough, ensuring thorough and uniform contact with a continuously flowing mixture of ice and water. The counter-current design drastically reduces the amount of fresh water and ice used. Compared to open