Danfoss and Srini Food Park – Engineering Tomorrow for Food Processing in India

  • CATEGORY: Case Study

    Agriculture serves as a major contributor to the country’s GDP (around 14-15%), with over 58 per cent of the rural households depending on agriculture as their principal means of livelihood. India's horticulture output, comprising fruits, vegetables and spices, is estimated to be 283.4 million tonnes (MT) in 2015-16, which ranks third in the world in farm and agriculture outputs. While these may be encouraging figures, an equally important but disheartening fact is the high wastage of agricultural output, due to acute shortage of cold storage and refrigerated transport. 30-35% of fruits and vegetables perish during storage, grading, transport, and packaging and distribution. This is where Danfoss, with its advanced solutions for cold chain, comes into play as safety and longevity of perishable farm produce and processed food is critical for trade and commerce.

    One such place where Danfoss’ reliable, energy-efficient technology and unique application expertise ensures that all this is in place is the Srini Food Park.

    Srini Food Park is the first mega food park of its kind in Mogili Village in the Chittoor District of Andhra Pradesh in India. Srini Food Park, an integrated food park offering a range of services and facilities, is to the food and food processing industry what a software park is to IT. It’s an integrated food park that offers a complete range of services and facilities to the industry and hails the beginning of a food-processing revolution in India.

    Nestled in a sprawling 147 acres, the park is a state-of-the-art facility with comprehensive capabilities – from pulping, IQF, bottling, and tetra-pack packaging to modular cold storage, warehousing, and advanced testing. Danfoss’ variable frequency drives (VFDs) and refrigeration system controls are used in Srini Food Park’s integrated chain of food processing, storage and supply chain management to ensure better quality production and reduced energy consumption.

    Processing food is a complex process simply because food is perishable, hygiene is non-negotiable and preservation of food has to ensure zero wastage and loss. Danfoss’ advanced technology and systems are at the heart of three critical functions - the IQF processing facility, aseptic processing line, and the tetra pack line, to ensure stringent quality levels of freshness and hygiene.

    For sophisticated cooling requirements, Srini Food Park uses Danfoss’ systems in its freezing line. This consists of IQF (Individual Quick Freezing) and blast freezers for freezing of products like mango papaya and a range of over 20 types of fruits to keep them chilled at minus 18 degrees Celsius. A Danfoss blast freezer is used for both freezing of raw and semi-finished products. The frozen products are then packed and stored in deep freezer rooms at minus 25 degrees Celsius for longer storage. The IQF uses ammonia for advanced cooling requirements and to achieve temperatures way below normal ranges. Most of the valves and controls used here are made from low temperature steel design for demanding ranges of minus 50 to 150 degrees Celsius even as they meet the critical requirements of refrigeration systems, without compromising safety. The unique design prevents ammonia from leaking for a worry-free operation. Also, there is lower pressure drop across the valves, which results in lower pressure drop across the system, thus reducing energy loss and running costs.

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