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Mar 11 2020 · 3. Operating cost of a 75-ton coal-fired steam boiler: Fuel cost: 0.2 tons of coal consumed per ton of steam the unit price of coal is 400 yuan / ton the total cost is 80 yuan; the fuel cost for a 75-ton coal-fired steam boiler is 80 * 75

Learn MoreFuel type and cost (your local utility can provide current rates) Then use the following calculations: For gas and oil water heaters. You need to know the unit cost of fuel by Btu (British thermal unit) or therm. (1 therm = 100000 Btu) 365 X 41045 ÷ EF X Fuel Cost (Btu) = estimated annual cost of operation. OR

Learn MoreMay 15 2018 · 75 tons of coal-fired steam boiler operating costs: 1. Fuel cost: The coal consumption per ton of steam is 0.2 tons the unit price of coal is 400 yuan/ton and the total cost is 80 yuan; the fuel cost for a 75-ton coal-fired steam boiler for one year is: 80*75*8*360=172.8 Ten thousand yuan.

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