The boiler gas consumption calculation need the following parameters: such as natural gas calorific value 8500kcal/m3, pressure 8-10Kpa, and theoretically, the gas consumption of boiler heat = boiler calorific value÷(Calorific value of natural gas x Boiler thermal efficiency )= 2400 000 Kcal / (8500Kcal * 0.94) =297m3/h, here we take 4 tons of natural gas boilers for example, then the boiler gas consumption per hour need only about 297 cubic meters.

Get a QuoteExample #1 - Determination of the Flue Gas Temperature from a Natural Gas Furnace. In this specific example the combustion device is an older lower efficiency Natural Gas Home Furnace. The fuel is considered to be Standard Natural Gas (1040 Btu/std. ft3 ), the fuel consumption is 100,000 Btu/hr

Get a Quotemeasurements indicate an excess air level of 44.9% with a flue gas minus combustion air temperature of 400°F. From the table, the boiler combustion efficiency is 78.2% (E1). Tuning the boiler reduces the excess air to 9.5% with a flue gas minus combustion air temperature of 300°F. The boiler combustion efficiency increases to 83.1% (E2).

Get a QuoteBoiler Fuel Cost Consumption Calculator. Fuel Cost Comparison - Oil vs. Gas The following tables are used to calculate values based on what is put in the boxes. The values will recalculate in different units of measure. The first two tables are to calculate competitive fuel costs between #6 fuel oil and natural gas.

Get a QuoteThe gas composition and flow rates are useful for sizing pollution control equipment like ESP, Wet scrubbers, bag filters ..etc Input/Output Data User can select any one of the Units and then select the fuel and furnish other details like excess air. Once the user clicks the RUN>> button, the software carryout combustion, efficiency calculations and displays the result.

Get a QuoteBoiler Efficiency related to the boilers energy output to the boilers energy input can be expressed as: Boiler efficiency (%) = 100 (heat exported by the fluid (water, steam..) / heat provided by the fuel) (1) Heat Exported from the Boiler to the Fluid

Get a QuoteOct 23, 2013 · In most scenarios, a liquid and gas fuel burner achieves this desired balance by operating at 105% to 120% of the optimal theoretical air. For natural gas fired burners, the stoichiometric air required is 9.4-11 ft. 3 / 1.0 ft. 3 of natural gas, or approximately an air-to-gas ratio of approximately 10:1. This results in an excess oxygen level of 2%.

Get a QuoteBoiler BTU Calculator - Boiler Sizing Calculator - Boiler Sizing - Boiler BTU Calculator

Get a QuoteBoiler Efficiency Calculation: a complete guide As an illustration, the optimum value of air excess to the combustion of natural gas is 5 to 10%, liquid fuel at the rate of 5 to 20%, and 15 to 60% for coal combustion.

Get a QuoteNATURAL GAS FIRED SMALL BOILER CALCULATION WORKSHEET. To be used for boilers with a heat input capacity of less than 100 million Btu/hr. Company Name: Name of Person completing form: Boiler Information. A. Heat Input Capacity (must be below 100 million to use this form): Btu/hr B. Natural Gas Usage Rate (ft3/hr):

Get a QuoteEnter the efficiency of the furnace youre considering Change that number to see how savings goes up or down as AFUE rises or falls. For example, if youre considering upgrading from an 80% furnace to a 90%, see what your additional cost savings would be with a 95% furnace.

Get a QuoteTo calculate or check the right boiler size for a definite building without using the rule of thumb, there are various gas boiler size calculators available online. They all can assist. Your task is to choose the one the suits the needs you have. Examples of online gas boiler size calculators you can find here or here. There are also a lot of

Get a Quotemeasurements indicate an excess air level of 44.9% with a flue gas minus combustion air temperature of 400°F. From the table, the boiler combustion efficiency is 78.2% (E1). Tuning the boiler reduces the excess air to 9.5% with a flue gas minus combustion air temperature of 300°F. The boiler combustion efficiency increases to 83.1% (E2).

Get a QuoteTo express the efficiency of a generator or power plant as a percentage, divide the equivalent Btu content of a kWh of electricity (3,412 Btu) by the heat rate. For example, if the heat rate is 10,500 Btu, the efficiency is 33%. If the heat rate is 7,500 Btu, the efficiency is 45%.

Get a QuoteA boiler of the efficiency you specified will save in lifetime avoided energy costs compared to your existing boiler. You could save more by buying at the required FEMP efficiency level. The minimum thermal efficiency for Federal purchases is %. Federal buyers are required to buy at the minimum thermal efficiency level unless they have a cost-effectiveness or functional exception.

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