Syry Kubani cheese plant: chilled water down to 2 °C from a steam-fired Thermax absorption chiller
In brief. At a dairy plant in Krasnodar Territory, a 3,500 kW steam-fired Thermax absorption chiller cools water from 12 to 7 and from 6 to 2 °C, as the owner's letter confirms. The plant's energy center has four MTU gas engines.
At the Syry Kubani cheese plant in Vyselki (Krasnodar Territory), a 3,500 kW steam-fired Thermax lithium bromide absorption chiller is in operation. We supplied it and two NCT cooling towers and carried out installation supervision and commissioning. The chiller cools water in two modes, 12/7 and 6/2 °C. The plant's energy center has four MTU gas engine generator sets.
| Parameter | Data |
|---|---|
| Industry | Dairy production: cheese, butter, whey processing, about 600 t of milk per day |
| City | Vyselki, Krasnodar Territory |
| Generation | 4 MTU 20V4000L32 gas engines, 1,948 kW each |
| Heat | Steam |
| Absorption chiller | 1 × steam-fired Thermax, 3,500 kW |
| Heat rejection | 2 NCT VR4-4-ML3-T cooling towers with basin heating, NCT W2C chemical water treatment |
| What the cooling is for | Chilled water for production, air conditioning of part of the premises, storage of milk and raw materials |
| Our work | Supply, installation supervision, commissioning |
What was the task?
The plant needs chilled water for production and cooling for air conditioning part of the premises; the chiller works in two modes, 12/7 and 6/2 °C. The engineering logic is this: the plant has its own electricity from four gas engines, and a 3,500 kW compressor chiller would take hundreds of kilowatts of that electricity. An absorption chiller needs steam instead.
How does the scheme work?
Steam-fired chiller: a typical scheme
Steam comes to the absorption chiller, which makes chilled water for the plant. The heat of the chiller itself and the heat brought in with the steam are carried away by NCT cooling towers. The drawing shows a typical option with a heat recovery steam generator and does not describe where the steam at this plant comes from.
What was difficult?
Getting water at two temperatures, 12/7 and 6/2 °C, from one chiller. Commissioning confirmed the declared performance, and the plant's letter confirms an outlet of down to 2 °C. Technical details are not given in open materials.
What was the result?
The owner's letter of 4 August 2020 states: the equipment was delivered on time (the absorption chiller in 20 weeks, the cooling towers ahead of schedule), commissioning confirmed the declared performance, and the chiller cools water from 12 to 7 and from 6 to 2 °C. The cooling towers were delivered in November 2017, and the absorption chiller in December 2017.
Site photos
Customer letter
Letter of 4 August 2020, ref. No. 124.
Rutube video: NCT cooling towers and Thermax absorption chillers at the Syry Kubani plant (in Russian)
If you have a similar task, order a feasibility study or estimate the figures in the calculator. Related pages: food production, trigeneration with steam and feasibility study for a dairy plant. How the chillers work is described on the Thermax absorption chillers page, and other examples are collected in the "Our sites" section, along with many others.
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