petak, 04.11.2011.


Furnace Repair Part : Roof Repair Companies : Hitachi Video Camera Repair.

Furnace Repair Part

furnace repair part

  • An appliance fired by gas, oil, or wood in which air or water is heated to be circulated throughout a building in a heating system

  • an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc.

  • Used to describe a very hot place

  • An enclosed structure in which material can be heated to very high temperatures, e.g., for smelting metals

  • Furnace is the first album released by the industrial music group Download. It was one of the first albums released with a lenticular cover. Their follow-up EP Microscopic also made use of this new type of packaging.

  • A furnace is a device used for heating. The name derives from Latin fornax, oven. The earliest furnace was excavated at Balakot, a site of the Indus Valley Civilization, dating back to its mature phase (c. 2500-1900 BC). The furnace was most likely used for the manufacturing of ceramic objects.

  • Fix or mend (a thing suffering from damage or a fault)

  • restore by replacing a part or putting together what is torn or broken; "She repaired her TV set"; "Repair my shoes please"

  • the act of putting something in working order again

  • a formal way of referring to the condition of something; "the building was in good repair"

  • Make good (such damage) by fixing or repairing it

  • Put right (a damaged relationship or unwelcome situation)

  • separate: go one's own way; move apart; "The friends separated after the party"

  • something determined in relation to something that includes it; "he wanted to feel a part of something bigger than himself"; "I read a portion of the manuscript"; "the smaller component is hard to reach"; "the animal constituent of plankton"

  • To some extent; partly (often used to contrast different parts of something)

  • partially: in part; in some degree; not wholly; "I felt partly to blame"; "He was partially paralyzed"



foundries and furnaces
Surkamp, Jim. (2009). “Frontier Iron-Making.” {Video}. (7:33). Retrieved 3 Aug. 2011.
Diderot, Denis. (1751). “Encyclopedie, ou dictionnaire raisonne des sciences, des arts et des metiers (English: Encyclopedia, or a Systematic Dictionary of the Sciences, Arts, and Crafts). Paris, France. Print.

Eric Johnson On Starting an Armory and Rifling (from the video):

"When the country was first formed and our first President was George Washington, he’s known to us in Jefferson County for a variety of reasons, but Mr. Washington came to Jefferson County also to look for a suitable location for a place to build these firearms. Now, I picked the Charleville for a reason. That’s because in the American Revolution, the principle arm that we were armed with from another country at first, was the

Brown Bess from Britain. But as you can imagine the British were a little hostile and angry with us, so that didn’t last too long. So we went looking for other sources, and the French, ever anxious to do battle with England, were able to arm us with the Charleville pattern musket.

We had a lot of these left over from the Revolutionary War; and what ended up happening was that we took that musket pattern and the Ordinance Department said: “You know? We need to copy already what we have in stock. What makes the most sense?” – and that would be the Charleville. So Washington came to Jefferson County to have a look at the area and said: “You know what you need to build a gun. . .”

You notice when I’m holding this gun, you need wood – right?- and you need metal.

Well it just so happens in Jefferson County, you have brown hematite flowing under the rocks and under the grounds – and to tell you what that is – that’s iron ore. There had already been existing iron furnaces in the County – in fact, in the Shenandoah Valley and the Cumberland Valley up through the Appalachian stream. So, iron is a necessity when you’re making guns – also to make the machineries, and the cutting bits, and the tools that we need to make all these pieces. The other product you need is wood,

hardwood to be exact. You need walnut perhaps to make the dense stocks. Sometimes maple is used. But, the reason that’s often overlooked and why Harper’s Ferry and Jefferson County seemed a suitable place at the time as we had lots of other hard woods.

And hardwoods are used to form charcoal. (NOTE: This video on iron-making omits the finery forge stage, an oversight-ED)

Eric Johnson continues:
And charcoal is what fires forges – foundries that will do the casting, forges that will use the heat to forge the metal into shapes.

Charcoal is also used in foundries and furnaces to make the raw iron itself. So those raw materials existed in Jefferson County. Also, the one component we add to all this we did have was water power, magnificent water power in the form of the falls of the Shenandoah.

As you know, the Shenandoah and the Potomac converge and they come together. And as they come together, there is a powerful current. So if you wanted to take a wheel, let’s say, or a turbine and go and plop it into the river next to you or build a canal so that you capture some of that falling energy,

and you’re able to turn an axis or a shaft and transfer that so it runs belts and things: well, guess what? – you’ve made a factory. And that is why the area was looked at to build firearms. There were some other reasons. Obviously we were a little closer to the capital of Washington City and it was felt that the location in Jefferson County was far enough away

from the Chesapeake Bay and sea area so that an invading enemy, like the British enemy in 1812, would have a hard time getting to it – let’s say in a day’s time. It would take them a while to get across the mountain and over the roads and passes. So, it was a strategic location to build firearms. It was considered a defensible one. And also all the raw materials were there to build these parts and pieces that we’re going to talk about today.

The other thing that’s overlooked often in the discussion of the making of muskets and rifles is you have to have the people who are talented enough to make them. Well, in the area, we had a nice collection of craftsmen – gunsmiths, professional gunsmiths – who had trained under the craftsmanship system – master gunsmiths in Virginia, Maryland, and Pennsylvania. So you have that large resource to draw upon to fill the factory system to build this piece. All of the parts and pieces of this plan come together and one of the first pieces produced in the armory system looks an awful lot like this.

It’s called the model 1795 U.S. musket, and it’s probably an exact copy of the one I’m holding in my hand – the Charleville. And so that will go on for years. And that’s the principle arm in the armory system that we’re interested in producing.

In the Revolutionary War, America had a secret. Well, not really so much of a secret, but an idea that was novel to us

Buckeye Furnace Interior

Buckeye Furnace Interior

The front part of the furnace is under roof. The front of the furnace, known as the casting shed, is under roof. The casting floor is a flat area, consisting of a mixture of sand and clay, where the iron is tapped. (clay was mixed with the sand so as to form consistent pig molds). When the furnace was ready for tapping, the workers would remove a clay plug (turned to ceramic by the heat) from the front furnace entrance. The slag would be poured off and discarded. Afterwards, the iron would be permitted to flow down a channel and then into ground depressions dug into the sand floor. The configuration looked like piglets nursing at a sow - hence the origin of the term "pig iron". While the tapped iron cooled, the furnace would be pled for another batch. The furance ran continuously - 24 hours a day, 365 days a year. At periodic intervals the furnace would be "blown out" to permit completion of maintainence activities on the site. Maintenance This typically involved removing slag, dross, and built up metal from the inside of the stack and cupola. This included removing built up metal from inside of the stack and cupola, and to repair the inner liner.

furnace repair part

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