Promethean Rapid Milk Chiller
Promethean Power Systems
Promethean Rapid Milk Chiller (RMC) is a modular milk chilling system that instantly cools milk from 35oC to 4oC.
Promethean Rapid Milk Chiller (RMC) is a modular milk chilling system that instantly cools milk from 35 to 4 degrees C utilizing Promethean’s Thermal Storage System (TSS). The system can chill 1000 liters of milk per day even if there is no power during the milk collection process by using 4-5 hours of intermittent grid power between each milking shift. Promethean power systems has served 25,100 farmers and chilled 150,600,000 L of milk with their products.
Promethean Power Systems in partnership with USAID and MIT
6,593.48 – 7,912.18 USD (500,000 – 600,000 INR) converted May 2020
Farmers in villages across India and dairy processors
Patented-Pending Interview with representative
Users can obtain the Rapid Milk Chiller directly from Promethean Power Systems contact page. Potential users may also request a demonstration of the product.
Promethean Power Systems has installed about 1200 milk chilling units as of 2020.
The holding volume, measured in liters
Length of time it takes to cool products, measured in hours
Time the products remain cold, measured in hours
Is there a way to control temperature?
Maximum internal temperature, measured in degrees Celsius
The materials used in construction
Does the product prevent insects from entering the chamber?
What is the medium for cooling?
1 – Thermal Storage System (TSS)
2 – Chiller Unit (CU)
3 – Milk Heat Exchanger (MHE)
4 – Milk Cooling Tank (MCT) – Optional
Provided by Promethean Power Systems. Interview with representative
The Rapid Milk Chiller comes with a 1-year warranty.
The thermal battery does not need to be replaced every 3 years like electrical batteries. Interview with representative
- Crash cooling arrests bacteria growth instantly.
- Premium quality enables longer shelf life of processed milk and higher margins on value-added products.
- Capture more farmers in the catchment area.
- Thin film on the surface cooler deaerates the milk.
- Eliminates diesel generator.
- Low maintenance & operating costs.
- Unlike electrical batteries, thermal battery does not need to be replaced every 3 years.
- Works with single phase connection at village collection centers.
- Easy manual cleaning.
According to the manufacturer BRAC has been able to reduce the milk spoilage by over 90% and it has also increased the confidence of the farmers in the village leading to a increase of 60% in the volume of milk collected
Promethean Power Systems Interview with representative
The milk chiller should not be placed under the sun.
Minor burn hazard due to the very low temperatures.
A milk storage tank that comes as an optional component
Hegde, V., Bhattachrya, A., Srikari, S., 2014. Design of mobile raw milk chilling unit for rural areas. SAS Tech Journal, 13(1), pp. 31-38.
Sidney, S., Thomas, J., Dhasan, M.L., 2020. A standalone PV operated DC milk chiller for Indian climate zones. Sadhana, 45(1).
Kaushik, P., Kumari, S., Bharti, S.K., Dayal, S., 2014. Isolation and prevalence of Salmonella from chicken meat and cattle milk collected from local markets of Patna, India. Veterinary World, 7(2), p. 62.
Field tests, case study. Interview with representative
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