China Boiler Cost Price of 10 Ton

A comparison of the operating costs of a 10-ton oil-fired steam boiler and a 10-ton coal-fired steam boiler. First of all, we must understand the specific parameters of the steam boiler. Only by knowing the parameters can we accurately calculate the operating cost of the boiler?

Calculation of the fuel consumption of a 10-ton oil-fired steam boiler:

Fuel steam boiler hourly fuel consumption = 3600 * heat power / heat value / boiler efficiency

The thermal efficiency of a 10-ton oil-fired steam boiler is 7MW, and its combustion heat value is 42.42Mj / kg. The general efficiency of an oil-fired boiler can reach 92%, so the fuel consumption of a 10-ton oil-fired steam boiler = 3600s * 7MW / 42.42Mj / kg / 92% = 645.5kg

Operating cost of a 10-ton oil-fired steam boiler:

1. Fuel cost: 10 tons of oil-fired steam boiler produces 10 tons of steam per hour, the fuel consumption is about 650Kg, the oil price is 6 yuan / kg, and the fuel cost for about an hour = 650Kgx6 yuan / kg = 3900 yuan, the fuel cost for 1 year It is 3900 * 8 * 360 = 1.12 million yuan.

2. Cost of electricity: The consumption is 2.2Kwh, the price of electricity is 0.58 yuan / degree, the total cost is 1.28 yuan, and the cost of electricity for one year is 1.28 * 8 * 360 = 3686.4 yuan.

3. Ash and slag disposal costs: 15,000 yuan / year;

4. Environmental protection fee: 50,000 / year;

5. Labor cost: 1 person is needed, 20,000 yuan / person.

Total: The annual operating cost of a 10-ton oil-fired steam boiler is: 1.12 million + 0.04 million + 15,000 + 50,000 + 20,000 = 1,205,400 yuan.

Calculation of coal consumption for a 10-ton coal-fired steam boiler:

The heat required by the boiler is divided by the calorific value of the coal and then by the thermal efficiency of the boiler, which is the coal consumption per hour of a 1-ton coal-fired boiler. Generally, the heat required for a 1 ton coal-fired boiler is 600,000 kcal / hour, the calorific value of the second-class bituminous coal is about 5,500 kcal / kg, and the thermal efficiency of the boiler is generally about 75%.

The coal consumption per hour of a 1 ton coal-fired boiler is: 600,000 kcal / h ÷ 5500 kcal / kg ÷ 75% = 145.5kg / h. Then the coal consumption per hour of a 10-ton coal-fired boiler is 145.5 * 10 = 1455kg / h.

Operating cost of a 10-ton coal-fired steam boiler:

1. 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 of a 10-ton coal-fired steam boiler for one year is: 80 * 10 * 8 * 360 = 33 Ten thousand yuan.

2. Electricity cost: The consumption is 9.6Kwh, the price of electricity is 0.58 yuan / degree, the total cost is 5.57 yuan, and the annual power consumption cost of a 10-ton coal-fired steam boiler is 5.57 * 8 * 360 = 0.16 million.

3. Ash and slag disposal costs: 30,000 yuan / year;

4. Environmental protection fee: 100,000 / year;

5. Labor cost: 6 people are needed, 20,000 yuan / person.

Total: The annual operating cost of a 10-ton coal-fired steam boiler is: 330,000 + 0.16 million + 30,000 + 100,000 + 120,000 = 631,600 yuan.

Comparison of operating costs of 10 tons of oil-fired steam and coal-fired steam boilers:

It can be seen that the annual operating cost of a 10-ton oil-fired steam boiler is: 1.12 million + 0.04 million + 15,000 + 50,000 + 20,000 = 1,205,400 yuan. The annual operating cost of a 10-ton coal-fired steam boiler is: 330,000 + 0.16 million + 30,000 + 100,000 + 120,000 = 631,600 yuan.