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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

Can anthill clay be used for furnace construction?

Short answer is probably yes, long answer is... there are more practical materials, like fire bricks. Should be lots of good online info on furnace/kiln/foundry construction; eg: there's tons of people doing DIY low cost backyard metal casting, getting up to iron melting temps with home made foundries.

How blast furnace productivity has been improved?

1. By increasing size and improving design. 2. By injecting hydrocarbons (the C in these means less coke is needed so there's more space in the shaft for the ore) 3. Enriching the blast air with pure O2 (this increases the flame temperature where the air gets heated and it increases the production of CO.) 4. Higher pressure at the top of the blast furnace (it increases the flow rate of the gas without increasing its velocity) and 5. By changing the physical and chemical properties of the raw materials.

Can a furnace operate on a power factor of 0.2?

If a furnace has a power factor not equal to 1 then there is a motor involved. If it was pure resistive element the Power Factor would be 1. That being said the motor can operate at .2 PF, but this is unusual and not very efficient. If this is the case I would expect that you have a bad motor control circuit and there may be a blown capacitor.

What is the standard furnace oil pressure for combustion?

Most standard settings vary between 95psi to 140psi. This depends on what tip size @ angle is being used. Please note that tip size/angle is NOT the only deciding factor!

Why does my radio go static when my furnace is running?

try plugging in your radio in a different wall plug. you might be sharing the same circuit causing noise in the line.

What are the applications of an electric resistance furnace?

A Furnace heated by electric Current is known as electric Furnace. Advantage of an electric furnace is it gives Positive temperature control System through a Temperature Controller.

Now a days application of an electric Furnace is very Vast, from domestic use to Industrial Applications. Industrial uses its making large quantity of steel, in quality control laboratory it's a part to Analise the quality of materials etc.

Domestic use of electric furnace warm rooms, media of cooking foods for us.

Wood chips in ferro silicon furnace?

they provide a void for gases in the metal to escape.

Why is blast furnace tapered from its bottom?

I would imagine so that it provides a wider base of support for stability and also to create vaccuum to generate more heat. An opening too large will end up with turbulence rather than vaccuum. Any replies to szymkow@bigpond.com

What were the fiery furnaces?

In the context of the Holocaust, fiery furnaces refers to the crematoria (used to burn the victims' corpses).

What could be the problem when you turn your Toyota 4runner ac on nothing happens it doesn't come on there is no sound no air hot or cold blows out?

Check the fuse/relay. If good, then I'd say your blower went out. Be sure to check all wiring connections first though. Huge waste if all that might be wrong is a loose wiring harness or ground connection, or even a broken wire.

Who are the manufacturers of induction furnace?

Indtherm is one of the leading manufacturers of Induction Furnace, based in Kolkata (India).

What is furnace glass?

Italian glass blowing techniques such as latticinio and zanfirico are adapted here to make beads. Furnace glass uses large decorated canes built up out of smaller canes, encased in clear glass and then extruded to form the beads with linear and twisting stripe patterns. No air is blown into the glass. These beads require a large scale glass furnace and annealing (glass) kiln for manufacture.

What is the angle of repose for blast furnace slag?

it is as like as viscous liquid so the angle of repose for it under 30 deg

What is the function of fusible plug in boiler?

The function of a fusible plug or soft plug is to relieve exceeded pressure inside the vessel allowing it to escape to the fire box extinguishing the fire and lowering internal pressure. The boilers I've owned have had ASME stamps on the plug and are required to be replaced every two years. The inside is not to be refilled if ruptured. The lead tin alloy is designed to melt between 440 and 450 degrees Fahrenheit. Cost on a 3/8 npt is around $80.00 Sellar industries manufactures them in lots so keep a spare ! There are two kinds a standard plug that is screwed into a flue (the water is exposed to the stamped side which its screwed into) or the fireside type (this one the stamped side is exposed to the fire box). I've used these on a flue-less boiler. It was a look out made in Tenn. that had inspection dates beginning 1858 1860 1906 1908, the dome stamp was 1 8 2 8 .in 9012 she was 184 years young and would have passed commercially @ 289 psi. Inspector gave it 125 psi for historical boiler use. This is a 100 psi vessel.

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How thyristor used in induction furnace?

Thyristor is used for Rectifiying and inverting the power supply in induction furnace. The parallel Resonance Coils (Current Control Furnaces) Control the Furance power up to 40% by controlling the firing angle of the rectifier inverter and remaining 60% controlled by inverter thyristor control. In rectifier they are varying the thyristor firing angle from 15 deg to 45 deg. (in sin wave)

How do you light a furnace in Minecraft?

You light a furnace in minecraft pe the same way you would in the PC edition. Once you have placed the furnace in your desired location you need to tap on it. Then when the screen appears you tap on the bottom box. Put coal/anything wood in. Then tap the top box and put what you want to cook/smelt in and wait for it to finish. Viola.

When installing new central air in a single story ranch with no existing duct work should the duct work go in the attic or the basement if both are an option?

The answer is that "it depends". If the attic isn't insulated, put it in the basement to save on heating/colling costs. If your basement has a tendency to get damp, put it in the attic or you'll risk blowing mold and mildew around in a few years. Whatever area you put it in, make sure the ducts are well insulated.

How often do you change furnace filter?

A standard 1" non-pleated furnace needs to be changed once every 30 days.

How do you get past the furnace in corporate climber?

Push the tub of coal as far as you can, then wait for a gap in the fireballs, and jump up and left to the door.