The Polish and Moscow basins do not give any coking coals.
Near the top of the shaft there is an iron pipe f, of from 8 to 10 inches in diameter, which allows the incoercible vapours generated in the coking to escape into the condenser, which consists either of wood or brick chambers.
A neighbour of the abovecoking ovens, having lately indicted them as a nuisance, procured, secundum artem, a parcel of affidavits from sundry chemical and medical men.
That the said coking process is in no respect a species of distillation, but a complete combustion of the volatile principles of the coal, will be manifest from the following description of its actual progress.
The coking of small coal is performed upon vaulted hearths, somewhat like bakers' ovens, but with still flatter roofs.
The loss of weight in coking in the ordinary ovens is usually reckoned at 25 per cent.
Why had the Smelter Coking Company a special pleader present?
The attorney for the Smelter City Coking Company jumped to his feet.
Well, Senator got the coking coal for a smelting site and the big developers came in.
The attorney for the Smelter City Coking Company sat up and whispered something to Brydges.
A fritted coke indicates a slightly coking coal, while the spongy appearance points to a highly coking coal which has been partly fused in the furnace.
The volatile matters are determined as the loss of weight on coking less the amount of moisture.
Where the coking of coal is performed in the old beehive ovens or similar apparatus the gas issuing at the mouth of the ovens is lost.
A compact coke is yielded by good coking coals, and is usually large in amount.
In regard to composition, coking accomplishes artificially somewhat the same result reached by nature in its slow development of high-grade coals, but the texture of coke is far different from that of coal.
Additional improvements in coking ovens may make possible the manufacture of some sort of coke from a much wider range of bituminous coals than can be used at present.
One of the effects was the almost complete elimination in Germany of anything but the by-product process of coking coal.
France needs the German coal for cokingas badly as Germany needs the French iron ore.
The floor, made of refractory bricks or slabs, is laid with a slight slope towards an arched opening in the ring wall, which is stopped with brickwork during the coking but opened for drawing the finished charge.
The cokingchambers A B connect by rectangular posts at the springing of the roof, where the gas given off from the top of the charge is fired by air introduced through c c.
The gas given off during the earlier part of the coking process is richer in heavy hydrocarbons and of a higher illuminating value than that of the later period when the temperature is higher.
With less than 25% the gas is not sufficient to effect the coking completely, and when there is a higher percentage the coke is brittle and spongy and unsuited for blast furnace or foundry use.
The time of coking is much less than in the beehive ovens and may be from 24 to 36 hours, according to the proportion of volatile matter present.
The older methods of cokingand the earlier forms of retort ovens are described in J.
When dug and handled, it goes to small pieces, and may generally be crushed to powder in the hand; which, of itself, is no bad sign of a good coking coal.
But if, as expected, it furnishes a good smelting coke, the field will be extremely valuable from its contiguity to the magnetic ores of the Cascade Mountains and the scarcity of coking coals.
It is reported that cokingcoal has been found some distance back from the bay.
The coking quality of these coals cannot be determined by calculating the proportion between the fixed carbon and the volatile, combustible matter.
A gang of miners was at work opening the beds, with the special view of testing their coking qualities in order to be used, if practicable, by the Moss Bay Company for smelting the steel ores of the Cascade Mountains.
They have not, however, so far as tested, the heating power or coking qualities of the Wilkeson coal.
It is less than ten miles from Snoqualmie coking coal, and fifteen miles from the Green River coals.
Sidenote: The coking quality not general in these coals, but found in some.
It is not a coking coal, but has a wide and established reputation for grate, stove, and boiler uses.
This coal is bituminous, and has been proved to be the best coking coal in the United States, as is shown by the following authoritative analysis: Coal .
The railway having reached Crested Butte, the coking veins are now well opened "by three drifts on water level, working the seam to the rise.
The coke-works lie five miles from the mines and near El Moro, where there are three steam pumps, a fifty-horse power engine, crushing and washing machinery and two hundred and fifty coking ovens.
As early as the late eighties certain operators had discovered this fact and were coking this coal on a small scale.
Frick's entrance into the combination gave the concern an unlimited supply of the highest grade of coking coal.
In the coking method, fresh coal is fired at considerable depth at the front of the grate and after it is partially coked it is pushed back into the furnace.
There are two general methods of hand firing: 1st, the spreading method; and 2nd, the coking method.
Industry, Sub-manager of the Semet Solvay Coking Plant of the Wigan Coal and Iron Company.
He tried various methods, but eventually fixed upon the method of coking the coal on a dead plate at the furnace door, before pushing it into the fire.
In the same way the anthracite region of South Wales is confined to the contorted portion west of Swansea and Llanelly, the central and eastern portions producing steam, coking and house coals.
He it was who took our Mr. Coleman to Wigan in England and explained the process of washing and coking the dross from coal mines.
The great coking dos not begin tell the 29 and twenty of June, but we have a letel wan begins of Whesen Monday.
I am extreme sory it is not poseble for us to wat of my deare sister suner than the 28 of May, for hear is a coking and hors matches which we have promesed to be at.
Indeed, where it crosses Big Creek at the gap, it is only a mile from the coking coal.
Washing and cokingtests of coal, and cupola tests of coke; No.
The results of the coking tests are set forth in detail in the various publications issued on this subject.
Footnote 25: “Washing andCoking Tests,” by Richard Moldenke, A.
This work has been conducted in the washery and coking plant temporarily located at Denver, Colo.
The coking tests have been conducted in a battery of two beehive ovens, one 7 ft.
The tests at Denver have been on coal from Government land or from land contiguous thereto, and are conducted solely with a view to perfecting methods of coking this coal by prior washing and by manipulation in the process of coking.
They include the washing and coking tests of coals, and the briquetting of slack and low-grade coal and culm-bank refuse so as to adapt these fuels for combustion in furnaces, etc.
Of 52 coals from the Rocky Mountain region, all but 3 produced good coke under proper treatment, though a number of these had been considered non-coking coals.
In manufacturing and metallurgical establishments, a considerable economy in both the drying and coking may often be effected in this manner.
Whenever possible, charring of peat should be carried on, or aided by waste heat, or the heat necessary to coking should be itself economized.
At one of the collieries there used to be a waste of three hundred tons of coal every week; but now by means of improved coking ovens, and intercepting the waste heat, this loss is prevented.
We have our own ore beds, and our own coking plant.
The coking coals fuse on being heated, allowing the volatile portion to escape; and when the gas has been all distilled, the residue is coke.
Bituminous coals are roughly classified as coking and free-burning.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "coking" in a variety of sentences. We hope that you will now be able to make sentences using this word.
