With the large-scale and standardized development of the prefabricated food industry, central kitchens have put forward higher requirements for the efficiency, appearance and freshness retention of the quick-freezing link. Especially for group meal prefabricated food, it is necessary to take into account large-scale production capacity while adhering to the bottom line of original ingredient flavor and food safety. A group meal brand affiliated to a well-known university in Nansha, Guangdong, has a 15,000 ㎡ international-standard central kitchen and has been deeply engaged in university catering for decades. With extremely strict control over meal quality, it finally selected Bingquan 800kg/h automatic quick-freezing tunnel to build an efficient, stable and high-quality prefabricated food quick-freezing production line, setting a model for cold chain upgrading of group meal prefabricated food.
This tunnel quick freezer specially developed for prefabricated food is made of 304 food-grade stainless steel as a whole, which meets the hygiene and safety standards of central kitchens. It is corrosion-resistant and easy to clean, eliminating the risk of food pollution from the source and fully adapting to the strict hygiene requirements of prefabricated food production. Aiming at the pain points of limited space and large capacity demand in central kitchens, the equipment adopts a compact structure design. Compared with traditional quick-freezing warehouses, the space utilization rate is increased by 25%, and an efficient quick-freezing production line can be implemented without large-scale workshop renovation, adapting to the site layout of various central kitchens.
As the core equipment for prefabricated food freshness retention, the machine has a stable production capacity of 800kg per hour, perfectly matching the large-scale and continuous production rhythm of group meal central kitchens. Its core advantage lies in the ultra-fast freshness retention technology, which can quickly reduce the core temperature of prepared chicken legs and other meat products to below -18℃ in a short time. The rapid freezing locks the meat cell structure, preventing large ice crystals from damaging ingredient fibers, retaining the original taste, umami and nutrition of prefabricated food to the greatest extent. After thawing and reheating, it is still tender and juicy, comparable to freshly made meals, firmly capturing the taste buds of teachers and students.
To solve the industry problem that most prefabricated food is damp and hot, easy to frost and affect operation, the equipment evaporator adopts a unique variable fin spacing design, which effectively delays the frosting cycle and reduces defrosting frequency. Even when processing damp and hot prefabricated food for a long time, it can maintain stable operation without delaying production progress. The optimized air duct system achieves uniform air supply in the whole area, and ingredients placed in high density can be cooled in all directions, avoiding problems such as incomplete local freezing and excessive temperature difference. Each prefabricated food has consistent freezing quality, ensuring standardized production of meals.
The whole set of equipment realizes automatic operation, reducing manual intervention, and is equipped with a precise temperature control system to control quick-freezing parameters throughout the process, avoiding quality fluctuations caused by manual operation errors and further improving meal safety. From production efficiency, quality control to site adaptation, this tunnel quick freezer accurately solves the quick-freezing pain points of prefabricated food central kitchens. It not only helps group meal enterprises improve capacity and reduce loss, but also builds a solid food safety line through standardized quick-freezing technology, ensuring that every prefabricated food maintains high quality and brings a safe and delicious dining experience to consumers.
Relying on mature prefabricated food quick-freezing solutions, Bingquan continues to deepen the field of cold chain equipment, customizes and develops equipment for various prefabricated food production needs, and helps central kitchens improve quality and efficiency with robust technology and stable performance, becoming the preferred partner for the quick-freezing link in the prefabricated food industry.
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