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A great deal of energy which could be re-cycled, particularly from industrial furnaces, literally goes up the flue. Example from the Hansard archive.
They accepted improved procedures for the operation of the furnaces. Contains Parliamentary information licensed under the Only the man would go to the basement to strike the match and light the pilot light on the gas furnace. Contains Parliamentary information licensed under the Contains Parliamentary information licensed under the
These examples are from the Cambridge English Corpus and from sources on the web. The light metal then goes to furnaces for smelting to secondary ingot for use in aluminium house parts and for other industrial purposes. Is it not a fact that 60 furnaces have gone out of operation lately? Example from the Hansard archive. Example from the Hansard archive. 6. Secondly, there would be a generic label for boilers and furnaces; and, thirdly, an energy efficient rating label that would apply to air-conditioning equipment. No assessment has been made of emissions from furnaces fuelled from animal carcases and animal by-products. They were simply mining the coal which was in their own backyard, as it were, and which was being brought in to fire their furnaces. Click on the arrows to change the translation direction. on so small a charge of material sufficiently indicates that the Moissan succeeded in fusing about 4 lb of either of these metals in 5 or 6 minutes in a On a larger scale several pencils are used to make the connexions between carbon blocks which form the end walls of the But in some cases in which the current is used for electrolysis and for the production of extremely high temperatures, for which the calorific intensity of ordinary fuel is insufficient, the electric This material is carbon, and as its vaporizing point is (estimated at) over 3500° C., and less than 4000° C., the temperature of the electric This advantage is especially observed in some cases in which the charge of the There is, however, one (not insuperable) drawback in the use of the electric It is for this reason that Siemens, Borchers and others substituted a hollow watercooled metal block for the carbon cathode upon which the melted metal rests while in the Liquid metal coming in contact with such a surface forms a crust of solidified metal over it, and this crust thickens up to a certain point, namely, until the heat from within the In such an arrangement, after the first instant, the melted metal in the Borchers predicted that, at the high temperatures available with the electric Alumina and lime, for example, which cannot be reduced at ordinary Later in that year they patented a process for the reduction of aluminium by carbon, and in 1886 an electric The carbons can thus, by the application of suitable mechanism, be withdrawn from or plunged into the The reduced aluminium alloys itself immediately with the fused globules of metal in its midst, and as the charge becomes reduced the globules of alloy unite until, in the end, they are run out of the tap-hole after the current has been diverted to another rend., 1895, 120, p. 290) obtained a still purer metal by igniting the oxide with carbon in the electric Moissan (ibid., 5906, 142, p. 673) has distilled this metal in a very intense electric TiN 2 is a dark blue powder obtained when the oxide is ignited in an atmosphere of ammonia; while TiN is obtained as a bronze yellow mass as hard as the diamond by heating the oxide in an atmosphere of nitrogen in the electric Titanium monoxide, TiO, is obtained as black prismatic crystals by heating the dioxide in the electric Wirthwein, the titanium mineral is fused with carbon in the electric In its simplest form the apparatus consists of a straight tube, made of glass, porcelain or iron according to the temperature required and the nature of the reacting substances, heated in an ordinary combustion Strontium carbide, SrC2, is obtained by heating strontium carbonate with carbon in the electric Much information as to the nature of an alloy can be obtained by placing several small ingots of the same alloy in a The chilling stereotypes the structure existing in the ingot at the moment it was withdrawn from the The calcination, or roasting, is conducted at a low temperature in some form of reverberatory The fusion process is preferably carried out in crucible For higher temperatures the bulb of the vapour density tube is made of porcelain or platinum, and is heated in a gas Moissan obtained a carbon-bearing metal by fusing the pentoxide with carbon in the electric The preparation of the pure metal was successfully effected by Werner von Bolton in 1905, who fused the compressed product obtained in the Berzelius process in the electric At a red heat it absorbs large volumes of hydrogen and nitrogen, the last traces of which can only be removed by fusion in the electric Underground boilers placed near the up-cast pit so that the smoke and gases help the ventilating Such a circulation of air can only be effected by mechanical means when the workings are of any extent, the methods actually adopted being - (i) The rarefaction of the air in the upcast pit by a The return air from fiery workings is never allowed to approach the Moissan in France that if lime and carbon be fused together at the temperature of the electric In the manufacture of calcium carbide in the electric Pure crystalline calcium carbide yields 5.8 cubic feet of acetylene per pound at ordinary temperatures, but the carbide as sold commercially, being a mixture of the pure crystalline material with the crust which in the electric Mourlot has shown that aluminium sulphide, zinc sulphide and cadmium sulphide are the only sulphur compounds which can resist the heat of the electric It is found that the ingot of calcium carbide formed in the For instance, in practical working it has been found that a In the year before (1742) he had planned the " Pennsylvania fire-place," better known as the " Franklin stove," which saved fuel, heated all the room, and had the same principle as the hot-air The carbide, SmC2, is formed when the oxide is heated with carbon in the electric It is more conveniently prepared by heating the oxide with carbon in the electric The losses are caused by volatilization, by the absorption of metal by the crucible, stirring rod, &c., and by occasional projection of particles from the pot into the In the Royal Mint silver bars are annealed once during rolling by passing through a Bates & Peard gas The fillets are placed on an endless chain which moves slowly through the The chain dips below the water, then rises into the In England gold and copper blanks are protected from oxidation, and after their passage through the The blanks are charged into a hopper at one end of the It is now manufactured by heating lime and carbon in the electric In graphitizing en masse large lumps of anthracite are treated in the electric It combines directly with silicon, at the temperature of the electric Moissan has also shown that it will combine with many metals at the temperature of the electric Iron ore has been found in several counties, and an iron The junction of the edges of the silver and copper-blend was treated with a flux of borax and the whole was submitted to the heat of a Moissan (Comptes rendus, 1893, 116, p. 349; 1894, 119, p. 185) reduces the sesquioxide with carbon, in an electric Ostwald (ibid., 1900, 35, pp.
More than 500 people came to be employed by its furnaces.
They saw a furnace of fire in. Example from the Hansard archive. Out of the 120 odd blast furnaces in this country, about 80 are closed down. Example from the Hansard archive. Contains Parliamentary information licensed under the Contains Parliamentary information licensed under the Example from the Hansard archive.
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