noun
definition
An oven or furnace or a heated chamber, for the purpose of hardening, burning, calcining or drying anything; for example, firing ceramics, curing or preserving tobacco, or drying grain.
verb
definition
To bake in a kiln.
example
When making pottery we need to allow the bisque to dry before we kiln it.
Examples of kiln in a Sentence
Many different forms of kiln are used for burning Portland cement.
At the bottom of the kiln is a grate of iron bars, and on this wood and coke are piled to start the fire.
The heat passes from the melting furnace into the annealing kiln.
Pountney found many kiln wasters on a now unknown site.
With malt whiskey the heating of the kiln will come from peat.
More efficient is the Gill kiln which uses coke as a fuel.
The annealing kilns are large fire-brick chambers of small height but with sufficient floor area to accommodate four or six large slabs, and the slabs are placed directly upon the floor of the kiln, which is built up of carefully dressed blocks of burnt fireclay resting upon a bed of sand; in order to avoid any risk of working or buckling in this floor these blocks are set slightly apart and thus have room to expand freely when heated.
A small hole for stoking the fire was noted at the northern end of the kiln.
The kiln was possible involved in the production of both pots and tile and was found to be heavily truncated by later medieval activity.
At Weobley, in Hereford and Worcester, a kiln waster heap has been partially excavated.
The furniture is made using northern kiln dried hardwoods.
Porcelain tile is a ceramic that can be glazed or unglazed, but is typically kiln fired at very high temperatures.
This exceptionally wasteful process, in which only one-third of the sulphur is recovered, has been improved by conducting the fusion in a sort of kiln.
The desired result is obtained either by moving the manufactured goods gradually away from a constant source of heat, or by placing them in a heated kiln and allowing t he heat gradually to die out.
The manufactured goods are either removed gradually from a constant source of heat by means of a train of small iron trucks drawn along a tramway by an endless chain, or are placed in a heated kiln in which the fire is allowed gradually to die out.
The rolled sheet is left on the castingtable until it has set sufficiently to be pushed over a flat iron plate without risk of distortion; meanwhile the table has been placed in front of the opening of one of the large annealing kilns and the slab of glass is carefully pushed into the kiln.
Before the glass is introduced, the annealing kiln is heated to dull red by means of coal fires in grates which are provided at the ends or sides of the kiln for that purpose.
In this it passes through four sheets of water, by which it is not only freed from any dust and dirt that may have come over with it from the kiln, but is also cooled to a temperature which permits an air-pump to withdraw the gas from the kiln, through the gas-washer, and force it into the saturators, without overheating.
In most modern refineries the cisterns are so arranged that the spent char falls on to a travelling band and is conducted to an elevator which carries it up to the drying floor of the charcoal kiln.
The kilns commonly employed are "chamber kilns," circular structures not unlike an ordinary running lime kiln, but having the top closed and connected at the side with a wide flue in which the slurry is exposed to the hot products of combustion from the kiln.
The slurry, in drying on the floor of the flue, forms a fairly tough cake which cracks spontaneously in the process of drying into rough blocks suitable for loading into the kiln.
A layer of dried slurry is loaded on this, then a layer of coke, then a layer of slurry, and so on until the kiln is filled with coke and slurry evenly distributed.
Fresh slurry is run on to the drying floors, and the kiln is started.
An ordinary kiln, which will contain about 50 tons of slurry and 12 tons of coke, will take two days to get fairly alight, and will be another two or three days in burning out.
Another form is the Hoffmann or ring kiln, made up of a number of compartments arranged in a ring and connected with a central chimney; in these compartments rough brick-shaped masses of the raw materials are stacked, and between these bricks fuel is sprinkled.
In the working of this type of kiln the rotation and slight inclination of the cylinder cause the raw material to descend towards the lower end.
As it descends it reaches a part of the kiln where the temperature is higher; here the carbonic acid of the carbonate of lime, and the combined water of the clay are driven off, and the resulting lime begins to act chemically on the dehydrated clay.
The material continues to descend by the rotation of the kiln and reaches the lower end nearest ?
On its way down the cylinders the clinker meets a current of cold air and is cooled, the air being correspondingly warmed and passing on to aid in the combustion of the fuel used in heating the kiln.
The output of these kilns varies from 200 to 400 tons per kiln per week according to their size and the nature of the raw materials burned; as against 30 tons per week for an ordinary chamber kiln.
The Cement product from a well-run rotatory kiln is all evenly burnt Ce, and properly vitrified; that from an ordinary fixed kiln c/;raker.
Made from clay, ceramics or refractory concrete consisting of pumice or kiln burnt aggregate bonded with high alumina cement.
When annealed and cooled, the canes are cut into thin cross-sections and arranged on a ceramic kiln batt - see objects on table.
The flat disk is transferred onto another, preheated kiln batt which is securely seated on one end of a long metal pole.
The 19th century byre had a corn drying kiln built into it.
Associated evidence implies their use with saggar rings to contain wig curlers in the kiln.
For most kiln firings, the greatest time factor is waiting for the kiln to cool.
Sharpe's Pottery is a very rare survival of an early 19th century pottery, with its original kiln hovel.
I tried to express this interest in the medium of glass by casting then stretching the cast piece in the kiln a second time.
Kiln dried using mortise and tenon joinery guarantees quality and integrity with each unique TREE.
For most kiln firings, the greatest time factor is waiting for the kiln firings, the greatest time factor is waiting for the kiln to cool.
The piece is then fired again in a raku kiln to a point where the glaze has melted enough to form a brittle skin.
A possible corn-drying kiln was excavated on the quarry.
The remaining features, F46B and F225B represent a possible well and a bonfire kiln respectively.
The Workshops Workshop 1 is all that survives of an old malt kiln building.
On another part of the site we found a 16th century corn drying kiln, and 17th Century midden (rubbish dumps ).
Even the almost obligatory kiln shelf collapse damaged only a few pots.
A versatile, low-cost drying kiln for opening pine cones, by A.M.J. Robbins.
Hard paste porcelain requires at least two firings in the kiln.
Lime used in building is made from chalk or limestone (calcium carbonate) burned in a lime kiln to form quicklime.