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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.

500 Questions

What is coke for in a blast furnace?

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the Coke supplies carbon monoxide to reduce the ore in a blast furnace and supplies heat to melt the iron.

Why is limestone add to blast furnace?

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To remove impurities, mainly sand ( silicon dioxide). It is sometimes reflerred to as a 'flux'.

The limestone undergoes thermal decomposition.

CaCO3 = CaO + CO2

The CO2 reacts with the coke to produce carbon monoxide

CO2 + C = 2CO

The Carbon monoxide reduces the iron ore ( iron oxide) to iron

Fe2O3 + 3CO = 2Fe + 3CO2

The iron is tapped off at base of the furnace. The CO2 recircluates to form more carbon monoixide.

The Iron ore contains a number of impurities , notably sand (silicon dioxde ; SiO2)

These impurities react with calcium oxide (CaO) produces from the thermal decomposition of ;omestone, to form 'slag'.

CaO + SiO2 = CaSiO3 (calcium silicate (Slag)).

Since tons of slag is produced it is used to make 'breeze blocks' for building and road surfaces.

What goes into a blast furnace?

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Sinter, which is a mixture of iron ore, coke and limestone, and a blast of hot air.

Externally to the furnace, iron ore, coke and limestone are mixed together Intimate mixing ensures that the reactants are as close as possible to each other. This is loaded into the top of the blast furnace.

A blast of hot air ( ~ 1100 oC) is sent in at the bottom of the furnace, through tuyeres. The oxygen (air) is also one of the reactants.

The products are tapped from the bottom of the furb=nace are liquid iron and 'slag' ( calcium silicate).

How do you install a furnace in a house with a crawl space?

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To install a furnace in a house with a crawl space, follow these steps:

Assess the Crawl Space: Before installing the furnace, inspect the crawl space for any signs of moisture or damage. Ensure proper ventilation by checking and, if necessary, installing crawl space vents to promote airflow and prevent moisture buildup.

Prepare the Area: Clear the crawl space of any debris or obstacles to create a suitable workspace for installation. Ensure there is adequate space for the furnace unit and access for maintenance.

Install Ductwork: If the house doesn't already have ductwork in the crawl space, install it to connect the furnace to the rest of the HVAC system. Seal all duct joints properly to prevent air leaks.

Position the Furnace: Choose a suitable location for the furnace within the crawl space, considering factors such as accessibility, clearance requirements, and proximity to existing ductwork.

Secure the Furnace: Once the furnace is in position, securely mount it according to the manufacturer's instructions. Ensure it is level and stable to prevent any movement or vibration during operation.

Connect Utilities: Connect the furnace to the power supply and fuel source, whether it's gas, oil, or electricity. Follow local building codes and safety guidelines when making these connections.

Test and Commission: After installation, test the furnace to ensure it functions correctly. Check for any leaks, unusual noises, or malfunctions. Once everything is in working order, commission the furnace for regular use.

By following these steps and ensuring proper ventilation with crawl space vents, you can successfully install a furnace in a house with a crawl space while maintaining a safe and efficient HVAC system.

Use the word furnace in a sentence?

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The man ran into the hot furnace to save the boy that was stuck in there.

Refining process that occurs in a blast furnace?

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The refining process is actually a REDUCTION process.

The iron ore ( oxidised iron ) is reduced in the Blast Furnace to IRON.

Three substances are mixed and added to the Blast Furnace.

They are Iron Ore (Iron(III) Oxide ; Fe2O3)

Coke (Carbon ; C)

Limestone ( Calcium carbonate ; CaCO3)

A Blast of Hot Air is sent in from the bottom (O2)

The heat makes the limestone decompose to calcium oxide(CaO) and carbon dioxide(CO2)

The Carbon then reacts with the carbon dioxide and also the air to form carbon monoxide.

CO2 + C = 2CO & "C + O2 = 2CO (4CO)

It is the Carbon Monoxide (CO) that reacts with iron ore to form iron. as carbon monoxide is a powerful reducing agent.

2Fe2O3 + 4CO = 4Fe + 4CO2 (Not Balanced)

As a secondary reaction the calcium oxide reacts with the impurities in the iron oxide (viz. sand ; SiO2) to form 'slag' (calcium silicate) .

CaO + SiO2 = CaSiO3 (slag).

Calcium silicate is used top make road surfaces, and 'breeze' blocks for building.

The iron that is collected is still impure, and whilst liquid hot, is placed in a BOS plant with an oxygen lance, to oxidise any remaining impurities, viz. sulphur, (to sulphur dioxide) and phosphorus(to Phosphorus oxide). The carbon impurity ( to carbon dioxide) is controlled at this stage in order to make steel , which contains about 0.1% to 2% carbon , depending on the nature of the steel.

Device for regulating furnace heat?

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thermostat is commonly used to regulate the heat of a furnace. It can programmed to maintain a desired temperature by turning the furnace on or off as needed. Some thermostats have additional features such WiFi connectivity, smart home integration, and scheduling options.

What was work like for chimney sweeps?

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Victorian Children who were poor worked not only as chimney sweepers many times 16 hours a day, but also in factories, farms, mines, maids, horse dung removers on the streets, went off to sea, and any jobs that required small, little hands and bodies.

Do bats go in your chimney?

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well I live some place where bats love go and it has never happened.

so no.

What is the meaning of a crow flying down the chimney?

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It means you should install a screen on your chimney to keep it from happening again.

Why does your furnace smells like a skunk?

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possible gas leak. leave home immediately, call gas company from neighbors house. do not turn on or off switches. do not call from your house. better safe than sorry. I am a licenced gas technician. good luck.

What did Victorian chimney sweeps eat?

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what did victorian chimey sweepers aet

What are the advantages of open hearth furnace?

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it lasted long enough that they had time to customize to steel more while it was being made. It is obselete now because we have batter instruments for reading the content of the steel while it is being made

Does color duck tape have latex?

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If you have an allergy to rubber (latex) you may want to avoid a lot of skin contact - it's a rubber-based adhesive. regular duct tape is NOT latex free

Where can you find old manuals?

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Hi,

It depends on what you're seeking. There are plenty of sites on the 'net that provide schematics. Use Google, and type what you're looking for in quotation marks. For instance: "Sony+KV1710". Brand first, then model number. I find schematics for quite a few items, but sometimes, you have to dig a bit.

Hope this helps,

Cubby

How do you make a lever for the broken furnace in Pokepark?

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When you enter the Lava Zone, there is a strange machine before you. Run into it, then it comes to life. So now when you dash into it, a chunk of gold or iron comes out pick it up and go to the other side or the map. Get the darker piece instead of gold. You see another wierd thing go to that porthole and you press 2 to check then make an iron bar then walk back to the lever and put it in dash to it then you can go to the shortcut. There is also another attraction with Rhyperior. Be sure to befriend all the Pokemon that can spin like a top (Hitmontop or others no Baltoy yet).

How do you clean a chimney with a cleaning brush?

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First you should cover the opening tightly if the fireplace has no doors. With a help of plastic, cover the opening. Climb to the roof using a ladder. Remove the chimney cover with the help of pliers, screwdrivers and tin snips. Once you remove the cover, check inside how much cleaning is required. Use a flash light to see inside if its dark. Lower the brush down the hole and try to brush off all the nasty soot buildups inside. Once brushing is over, check if everything is removed. If cleaning is still required do it repeately until is cleaned properly. Once done, return the chimney cover and then climb down the ladder slowly and safely.

How do you use a furnace in minetest?

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you must a something to cook and something to use for fuel in your inventory then

How do you make a furnace in worldcraft?

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You make a workbench and in that select pickaxe and then find a random rock and destroy it then you will get cobblestone. Again you go to the workbench and choose furnace and build a furnace

What product is made in the furnace?

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Stainless steel

Where can you locate a furnace in runescape?

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I'll name a few places you can find them:

- Lumbridge, just follow the road east of the castle

- Edgeville, pretty much near the bank.

- Falador, near the teleport spot.

Those are the major ones that are easy to come by, there are a lot more, but these ones are within range of a bank, except lumbridge which is a small walk compared to the others listed.

What tape sticks better scotch tape or masking tape?

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Masking tape is a paper product (usually tan color) with adhesive that makes it easily removable. It's a temporary tape. Most people put masking tape on window seals and around door frames (and many other places) when painting a room. Duct tape is made with a plastic coating (usually silver color); it has a very strong adhesive and is meant to be permanent. It's a little hard to remove and it leaves a lot of adhesive on the surface when you remove it.

What was the chimney sweep brush called?

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You can find chimney sweep brushes both online and offline. On the internet, they can be bought at Wood Land Direct, Lowes, Home Depot, and North Line Express.

How do you make a furnace in the game minecraft?

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You can't make a furnace in minecraft pe. In the next update you can though.