Waste heat recovery unit
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There are 2 biogas generators, of the Caterpillar CAT G3516A model. Our company has been commissioned to install waste heat recovery systems on them, with the aim of generating hot water at a temperature of over 96 degrees Celsius for wholesale sale. Conditions of heat recovery per unit: 1. The temperature of the water leaving the cylinder liner is 100 degrees, while the temperature of the returning water is 90 degrees; the flow rate is 100 tons. 2. The temperature of the flue gas is 540 degrees, with a flow rate of 4255 standard cubic feet per hour. The preliminary concept is as follows: First, the water in the cylinder liner is initially heated by the plates; secondly, the heat from flue gas is used to operate a steam boiler, which generates steam that then heats the water through the coiled tubes. I would be grateful if the experts could offer some guidance. Thank you!
Using the heat from flue gas to power a steam boiler, with the steam then being used to heat water through coiled tubes – this is a completely viable approach!
Use ORC power generation, Caterpillar – we’ve used it together before