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Furnaces

The furnace, whose name is derived from the Latin word fornax, which means oven, is a heating device utilized for both home and industrial purposes. Questions about furnaces can be asked and answered here.

1,402 Questions

Does an oil burning furnace release carbon dioxide fumes?

Yes, oil burning furnaces release carbon dioxide as a byproduct of combustion. It is important to ensure proper ventilation to prevent build-up of carbon monoxide, a potentially harmful gas produced by incomplete combustion. Regular maintenance and proper installation of the furnace are crucial for safety.

What is induction furnace capacity?

An induction furnace is an electrical furnace in which the heat is applied by induction heating of a conductive medium (usually a metal) in a crucible placed in a water-cooled alternating current solenoid coil.

What is the word equation for making iron in a blast furnace?

Overall Fe2O3 + 3CO → 2Fe + 3CO2

In words, iron oxide reacts with carbon monoxide to produce iron and carbon dioxide.

However it starts with 2 C + O2 → 2 CO. Carbon reacts with oxygen to produce carbon monoxide.

Then 3 Fe2O3+ CO → 2 Fe3O4+ CO2 the carbon monoxide reduces the iron.

Then the reaction continues to reduce more iron Fe3O4 + CO → 3 FeO + CO2

Eventually the iron is reduced to pure iron by more carbon monoxide as the temperature increases FeO+ CO → Fe + CO2

There are other side reactions.

How burden calculated in blast furnace?

The burden in a blast furnace refers to the materials added to the furnace for the iron-making process. The burden typically includes iron ore, coke, and limestone. The burden calculation takes into account the proper proportions of these materials to achieve efficient iron production and maintain the desired chemical and physical balance within the furnace. Various factors, such as the quality of the materials and the operating conditions, influence the burden calculation in a blast furnace.

What cell structure is Oil- burning furnaces?

Oil-burning furnaces are not a cell structure. They are a type of heating system that burns oil to produce heat for buildings.

Does iron ore slag sink to the bottom of the blast furnace?

Slag is the waste which is skimmed off the top of the molten iron that comes out of the blast furnace. It is a mixture of calcium and magnesium compounds, plus other impurities such as iron oxide, but is mainly calcium silicate. The formula for calcium silicate is CaSiO3.

What is the viscosity of slag of blast furnace?

The viscosity of slag in a blast furnace typically ranges from 1 to 10 Pa.s (Pascal-seconds) at typical operating temperatures. Viscosity can vary based on factors such as temperature, composition of the slag, and other process conditions within the blast furnace.

Is soot the dirt from chimney?

Soot is the black residue that forms when organic matter is incompletely burned. Though it can be found in chimneys, it can also come from sources like car exhaust and candles.

What is top pressure in blast furnace?

Top pressure in a blast furnace refers to the pressure of the gases at the top of the furnace. Maintaining the appropriate top pressure is crucial for the efficient operation of the blast furnace and influences factors such as the flow of gases in the furnace and the quality of the hot metal produced.

What is the primarily function of the Forced air furnace?

The primary function of a forced air furnace is to heat air, which is then distributed throughout the home via ducts to provide warmth to the living spaces. This type of furnace uses a blower to push the heated air through the ductwork system, ensuring consistent and efficient heating.

What is One reason iron from a blast furnace is converted into steel?

Iron from a blast furnace is converted into steel to alter its properties, such as strength, hardness, and ductility, by adjusting the carbon content. This transformation allows for the production of a material suitable for various applications, including construction, manufacturing, and transportation.

What is picture of blast cells?

Blast cells are immature white blood cells that can be present in conditions like leukemia. They appear as large cells with high nucleus-to-cytoplasm ratio when viewed under a microscope, often showing prominent nucleoli and scanty cytoplasm. Picture identification of blast cells is an essential diagnostic step in determining various types of leukemia and other hematologic disorders.

How is a cell like a furnace?

the cell is like a furnace because the 64% of energy from each glucose molecule that is not used in cellular respiration is released as heat

What are three instruments that a flue-gas analysis kit might contain?

A flue-gas analysis kit may contain a gas detector for measuring gas concentrations, a temperature probe for measuring flue gas temperature, and a draft gauge for measuring draft pressure in the flue.

What is the formula of blast furnace gas calorific value?

The formula to calculate the calorific value of blast furnace gas is: Calorific value (MJ/m³) = 0.313 x %CO + 0.313 x %H2 + 0.093 x %CH4. In this formula, %CO represents the percentage of carbon monoxide, %H2 represents the percentage of hydrogen, and %CH4 represents the percentage of methane in the blast furnace gas.

Should the ac breaker and furnace breaker always be on?

Yes, it is recommended to keep both the AC breaker and furnace breaker on, especially during the respective seasons when they are in use. This ensures that the units are powered and can function properly when needed.

What would cause too much temperature difference on a standard efficiency gas furnace?

Possible causes of too much temperature difference on a standard efficiency gas furnace include clogged air filters restricting airflow, issues with the blower motor not functioning properly, or ductwork problems such as leaks or blockages. It's important to address these issues promptly to ensure the furnace operates efficiently and safely.

Chimney dirt called?

The dirt that accumulates in a chimney is typically called creosote. This substance is a byproduct of burning wood and other materials in the fireplace. Creosote can build up in chimneys and pose a fire hazard if not cleaned regularly.

The flame in a gas fired furnace is burning with heavy yellow tips. what is the problem?

The heavy yellow tips in a gas furnace flame indicate incomplete combustion, which can be due to a lack of oxygen supply or dirty burners. This can lead to the production of carbon monoxide, a dangerous gas. It is recommended to have a professional inspect and clean the furnace to ensure safe and efficient operation.

What is the products of blast furnace?

The main products of a blast furnace are pig iron (used to make steel) and slag (a byproduct that is used in construction materials).

Why wont your electric furnace shut off?

There could be several reasons why an electric furnace won't shut off, including a malfunctioning thermostat, a stuck relay, or a problem with the limit switch. It's best to have a professional technician inspect and diagnose the issue to ensure safe and proper operation of the furnace.

What is the function iron ore in a blast furnace?

Iron ore is used in a blast furnace as a raw material for producing iron. It is the primary source of iron, which is essential for the production of steel. The iron ore undergoes a series of chemical reactions in the blast furnace, resulting in the extraction of molten iron.

What is the function of iron ore in a blast furnace?

Iron ore is the primary source of iron in a blast furnace. It undergoes a series of reactions, including reduction, to produce molten iron. The iron ore also helps to remove impurities, resulting in high-quality iron production.

How blast furnace is heated?

A blast furnace is heated using hot air or hot gases blown into the lower section of the furnace. This process helps to combust the coke (fuel) and create high temperatures necessary for the chemical reactions to convert iron ore into molten iron. The combustion of coke also produces carbon monoxide, which acts as a reducing agent in the process.

What are the raw materials fed into the blast furnace?

The raw materials fed into the blast furnace typically include iron ore, coke (a form of carbon), and limestone. Iron ore is the primary source of iron, coke acts as a fuel and reducing agent, while limestone helps remove impurities during the smelting process.