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What construction and working of cupola furnace?

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Two raw materials that are used in a Cupola furnace include rocks and briquettes. The cupola is a vertical furnace that is similar to blastfurnaces.


A blast furnace is used to separate iron from iron ore. A cupola furnace is used to melt iron in a foundry for casting in molds


A cupola is an observation dome on a building or vehicle, and it is also a type of blast furnace.


First of all to correct that Cupola Furnace is used to melt Pig Iron to make Cast Iron not the Steel. As per practice the melting loss in Cupola furnace is cosiderd as arround 4.00 %. Sirajuddin Khan Bolan Castings Ltd. Karachi, Pakistan


yes for a small melting foundry its very essential because of its low working price and easy operation. no significant labor is needed for melting pig iron form cupola


In essence nothing, a Cupola furnace is a type of blast furnace in that it is charged at the top and tapped at the bottom and air is blasted into the furnace via a wind belt and tuyres. A blast furnace in a steel works is a huge structure operated for long periods of time, it is charged with iron ore, coke and limestone and reduces the iron ore into pure iron. A Cupola furnace, as used in the foundry re melts pig iron, from the blast furnace, along with foundry scrap, steel scrap and scrap iron engine blocks and produced iron alloys of various specifications. A Cupola furnace is usually operated on a daily basis but some types can be continuously operated for several weeks


In steelmaking, it is a vertical cylindrical furnace used for melting iron either for casting or for charging in other furnaces. René-Antoine Ferchault de Réaumur built the first cupola furnace on record, in France, about 1720. Cupola melting is still recognized as the most economical melting process; most gray iron is melted by this method. Source: Britannica Online Encyclopedia



How do I build a cupola


Mainly the type of coke being used. The sulfur, ash and carbon content are different.


form_title= Furnace Repair form_header= Stay warm with a working furnace. How old is the furnace?*= _ [50] When was your furnace last serviced?*= _ [50] When did you last change the filter?*= _ [50]


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form_title= Furnace Parts form_header= Keep warm with a working furnace. How old is your furnace?*= _ [50] What parts do you need?*= _ [50] Please explain your issue in detail.*= _ [50]


The airshaft ventilation chimney and/or cupolas are rare structures these days, with at least some of those remaining being scheduled ancient monuments. The Nutbrook Colliery furnace ventilation cupola was designed to be remote from the airshaft itself, the furnace therefore being contained at the surface rather than at the base of the shaft. Connection to the airshaft itself would have been via a short inclined tunnel from beneath the base of the cupola. The furnace itself was accessed via an aperture in the side of the cupola, with the airflow (and thus furnace intensity) being controlled here according to the required up-draught. I've no idea whether the fresh air flow was mechanically assisted by the means of bellows, as was the case on similar installations elsewhere.This method of ventilation was seen as a considerable safety improvement on the underground furnace type, identified by a chimney constructed directly over a shaft. The underground furnace types were implicated in the ignition of mine gases, and could also ignite underground timbers leading to oxygen starvation within workings. At least one of the cupola type furnaces elsewhere operated until the 1950s, whereas by then the Nutbrook structure appears to have acted only as an additional downcast fresh air shaft for the fan ventilated workings of Woodside.


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Yes, a faulty furnace can be very hazardous to your health. When a furnace isn't working properly it has an increased risk of carbon monoxide emissions, which can be fatal.


Cupola has several meanings. It is a roof or ceiling in the form of a dome, a small roof structure sometimes protecting a skylight or ventilator on the roof of a building, or an observation dome on a passenger car or caboose of a railway train, or on a military vehicle. It also is a name for a vertical cylindrical blast furnace for melting iron for casting, and a gun turret on a warship.


An octagonal cupola is a type of polyhedron. Faces: 18 Edges: 40 Vertices: 24 The octagonal cupola is composed of one octagon, one hexadecagon, eight rectangles, and eight triangles.


When the furnace in your home goes out, there are a few things that you need to look at before you get a new furnace. Get the furnace serviced by a professional electrician who will check the heating coils as well as the filter in the furnace. Check the circuit breakers in the furnace to ensure that they are working properly. If the breaker is not making contact, this could be all that you need to replace.


a cokeless cupola is an industrial melting furnace used for remelting grey iron for casting or alloying it differs from traditional cupola furnaces in that it is cokeless.traditional cupolas run on coke which is a refined coal product. most power plants run on coke. the traditional cupola is a vertically oriented tube filled with coke. the coke burns and is kept lit by a forced air introduced into the furnace through one or many holes in the lower third of the vertical shaft called tuyeres. the metal is introduced through the top and as the metal melts it collects in the bottom of the shaft until the collection area or well is full. the metal is then tapped out of the furnace through a hole at the furnace's base called the tap hole. it pours into a receiver, ladle, or mold.cokeless cupolas use no coke so the inner workings of the furnace are different though they look similar from the out side. in the cokeless cupola instead of just forced air coming into the furnace at the tuyere, there are gas fired burners which provide the necessary heat to melt iron. directly above the burners is a water cooled grate that bridges the vertical shaft, creating a porous shelf that can both support the wait of fresh solid metal and allow liquid metal to drip through and collect in the well bellow. above the grate are many ceramic spheres known as the bed. the bed is super heated by the burners and reflects heat into the metal as it melts to keep it molten. iron is introduced at the top of the shaft onto the bed and when it melts and collects in the well it is tapped out as in a coke fired cupola.operationally there are pros and cons to both methods of iron melting but cokeless cupolas are more fuel efficient, environmentally friendly, economical, and a cokeless cupola with the same bore as coke fired cupola can tap out upwards of twice as much metal because there is only iron in the well while there is approximately 60% coke in the well of conventional cupolas.