{"id":8517,"date":"2024-02-05T17:57:44","date_gmt":"2024-02-05T17:57:44","guid":{"rendered":"https:\/\/pmtest.iah.mx\/?page_id=8517"},"modified":"2025-07-28T03:38:42","modified_gmt":"2025-07-28T03:38:42","slug":"combustibles","status":"publish","type":"page","link":"https:\/\/pmtest.iah.mx\/en\/guia-tecnica\/combustibles\/","title":{"rendered":"\nFuels\n<\/a>"},"content":{"rendered":"
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\n\t\t\t\t\t\u3164<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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fuels<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\tPowermaster\n>Home<\/a><\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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LIQUID AND GAS BOILER FUEL OPTIONS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The selection of the correct fuel for your boiler can either represent a large cost savings or expense (normally a sum greater than the cost of the actual boiler).\n

\nThe availability and price of different fuel options can vary significantly by region or country so Calderas Powermaster recommends doing a thorough analysis of available fuels and their true costs before taking delivery of your boiler.\n

\nBelow is a review of the most commonly used fuels and their general characteristics:\n<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Natural Gas <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Natural gas is a mix of gases that are normally taken from the earth at the same time that oil is extracted. Because it is affordable, easy to use, and relatively clean, natural gas is one of the most commonly used gases in the industry.\n

\nState:<\/b> Gaseous.

\nRequired Conditioning:<\/b> Pressure regulation, filtered.

\nSupply type:<\/b> Piped

\nAverage Chemical Composition (PEMEX):<\/b> Methane (85 to 90%); Ethane (up to 9%); other gases such as Carbon Dioxide and Nitrogen.

\nNet Calorific Value (Hi) (PEMEX):<\/b> 8,205 kcal\/m3 (922 BTU\/ft3).

\nGross Calorific Value (Hs) (PEMEX):<\/b> 9,104 kcal\/m3 (1,024 BTU\/ft3).

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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tDOWNLOADS<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t
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Liquified Petroleum Gas <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Natural gas is a mix of gases that are normally taken from the earth at the same time that oil is extracted. Because it is affordable, easy to use, and relatively clean, natural gas is one of the most commonly used gases in the industry.\n

\nState:<\/b> Liquid.

\nRequired Conditioning:<\/b> Evaporation, pressure regulation, filtered.

\nSupply type:<\/b> Piped.

\nAverage Chemical Composition (PEMEX):<\/b> Propane (30%) and Butane (70%).

\nNet Calorific Value (Hi) (PEMEX):<\/b> 11,000 kcal\/kg.

\nGross Calorific Value (Hs) (PEMEX):<\/b> 10,680 kcal\/kg.

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Fuel Oil #2 (Light Oil) <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Fuel Oil #2 is a product of oil distillation and has become a widely used fuel in the boiler industry because it is safe, easy to transport, and inexpensive. Industrial Fuel Oil #2 is not the same as automotive diesel, with the latter containing additives which make it explosive and therefore inappropriate for boilers.\n

\nState:<\/b> Liquid.

\nRequired Conditioning:<\/b> Pressure regulation, air elimination, filtered.

\nSupply type:<\/b> Piped.

\nAverage Chemical Composition (PEMEX):<\/b> Carbon (84.6%), Hydrogen (9.7%), Sulphur (2.7%), Nitrogen (1%), Water (1.5%), and Ash (0.5%).

\nNet Calorific Value (Hi) (PEMEX):<\/b> 10,000 kcal\/kg.

\nGross Calorific Value (Hs) (PEMEX):<\/b> 10,680 kcal\/kg (19,224 BTU\/lb).

\nDensity (PEMEX):<\/b> 0.865 kg\/l.

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Fuel Oil #6 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Fuel Oil #6, also known as Bunker C Oil or Heavy Oil #6, is a remnant of the oil distillation process and has been a popular fuel choice in the boiler industry because of its attractive price tag. It requires, however, a high level of conditioning and generates undesirable emissions. Environmental concerns have in fact led to the prohibition of the use of Fuel Oil #6 in many states throughout both Mexico and the US.

\n\nIn Mexico, this fuel does not comply with specifications published by the manufacturers and as such cannot be burned with mechanical atomization as is the practice in Europe. Given that Fuel Oil #6 may freeze and solidify if there are interruptions in the steam demand, it is recommended that this fuel option be used only if continuous 24 hour steam demand exists over prolonged periods.\n

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\nState:<\/b> Solid at room temperature; liquid at or above 90\u00b0F.

\nRequired Conditioning:<\/b> 2-stage pre-heating, pressure regulation, air elimination, filtered, atomizing medium (compressed air or steam), gas pilot.

\nSupply type:<\/b> Piped.

\n\nAverage Chemical Composition (PEMEX):<\/b> Carbon (83.04%), Hydrogen (11.3%), Sulphur (4.2%), Nitrogen (0.4%), Oxygen (0.46%), Ash (0.6%), Vanadium (246 ppm), Sodium (70 ppm) and Nickel (37 ppm).

\nNet Calorific Value (Hi) (PEMEX):<\/b> 9,583 kcal\/kg.

\nGross Calorific Value (Hs) (PEMEX):<\/b> 10,111 kcal\/kg.

\nDensity (PEMEX):<\/b> 0.982 kg\/l.

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Biogas <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Biogas or Digester Gas is a product of the digestion of organic matter, typically sewage or the residual fecal matter of livestock. The chemical composition of Digester Gas depends on the organic material from which it is produced and varies from digestive entity to digestive entity. All biogas contains hydrogen sulfide (H2S), which is highly toxic and corrosive and necessitates that the fuel undergo additional conditioning to be burned safely.\n

\nState:<\/b> Gaseous.

\nRequired Conditioning:<\/b> Scrubbing of H2S, drying, pressure regulation, filtered.

\nSupply type:<\/b> Organic Digester.

\nChemical composition average:<\/b> Variable.

\nPower lower heating value (Hi):<\/b> Variable.

\nCalorific value (Hs):<\/b> Variable.

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FUEL COST ANALYSIS \u2013 CALCULATING THE REAL COST PER KILOCALORIE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Boiler fuel consumption depends on the quantity of energy that the fuel contains and the specifications of the boiler stipulated by the client.

\n\nIndependent of the boiler size, fuel cost is a determining factor in whether large expenses or savings are realized over the operational life of the boiler. Conducting a fuel cost analysis, however, can be confusing as the various fuels are sold in different units of measurement (gallons, pounds, cubed feet, etc.) and contain varying quantities of energy.

\n\nThe easiest way to select the appropriate fuel for your boiler is to derive the real cost per unit of energy (kilocalorie) of all available fuel options and compare these directly.



\n\n The real cost per kilocalorie is obtained as follows:<\/b><\/span>\n

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$kal = $UM x 1,000 \/ Hi<\/span>\n

\n\nTerms Defined:<\/b>
\n\u2022<\/span>$kcal is the actual cost per kilocalorie.
\n\u2022<\/span>$UM is the cost per unit of measurement (supplier cost).
\n\u2022<\/span>Hi is the net calorific value of the fuel (per the same unit of measurement).
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Ejemplo:<\/span>\nIn this example, we are determining whether it is cheaper to use L.P. Gas or Diesel (Fuel Oil #2) in the boiler. The L.P. Gas supplier sells at $12.42 per kg and the Fuel Oil #2 supplier at $12.05 per liter.\n



\n Using the net calorific values of the respective fuels (see section above), we obtain the real cost per kilocalorie of each of the fuel options:<\/b><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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For LP Gas:
\n$kcal - Gas LP = 12.42 $\/kg x 1,000 \/ 11,000 kcal\/kg = 1.12 $\/1,000 kcal<\/span>\n

\nFor Fuel Oil #2:
\n12.05 $\/l \/ 0.865 kg\/l = 13.93 $\/kg
\n12.05 $\/l \/ 0.865 kg\/l = 13.93 $\/kg<\/span>
\n$kcal - Diesel = 13.93 $\/kg x 1,000 \/ 10,000 kcal\/kg = 1.39 $\/1,000 kcal<\/span>
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Comparing the two real costs per kilocalorie, it is easy to see that in this example, Fuel Oil #2 is 85% cheaper than L.P. Gas.\n

\nAny Powermaster salesman will be happy to work out your real fuel costs with you based on pricing in your area.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

\u3164 combustibles \u3164 COMBUSTIBLES L\u00cdQUIDOS Y GASEOSOS PARA UNA CALDERA La correcta selecci\u00f3n del combustible que se va a utilizar en una caldera puede significar el ahorro o gasto de un monto relevante (normalmente un monto m\u00e1s grande que el costo de la caldera misma). La disponibilidad y precio de los combustibles var\u00eda en cada […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":86,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-8517","page","type-page","status-publish","hentry"],"yoast_head":"\nCombustibles - Powermaster<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pmtest.iah.mx\/en\/guia-tecnica\/combustibles\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Combustibles - Powermaster\" \/>\n<meta property=\"og:description\" content=\"\u3164 combustibles \u3164 COMBUSTIBLES L\u00cdQUIDOS Y GASEOSOS PARA UNA CALDERA La correcta selecci\u00f3n del combustible que se va a utilizar en una caldera puede significar el ahorro o gasto de un monto relevante (normalmente un monto m\u00e1s grande que el costo de la caldera misma). 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