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Topic: Clinker

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In the News (Thu 19 Apr 18)

  Clinker (boat building) - Wikipedia, the free encyclopedia
Clinker is a boat building technique used for constructing hulls of boats and ships by fixing wooden planks and in the early nineteenth century, iron plates to each other so that the planks overlap along their edges.
The Clinker form of construction is linked in people's minds, with the Vikings who used this method to build their famous longships from riven timber (split wood) planks.
Clinker is the British term, it is known as lapstrake in North America.
en.wikipedia.org /wiki/Clinker_built   (1790 words)

 Clinker - Wikipedia, the free encyclopedia
In combustion, clinker is the name of the rocky glassy material that remains after burning coal.
In metallurgy, clinker is the term for the material remaining after the process of smelting a metal ore.
Clinker is used in the manufacture of Portland cement.
en.wikipedia.org /wiki/Clinker   (216 words)

 North Dakota's Clinker
Clinker beds typically range from a few feet to 50 feet or so thick in western North Dakota, but much thicker beds are found in Wyoming and Montana.
Clinker resists erosion because it is harder than nearby unbaked rocks and also because heating and subsidence during burning produce fractures that allow water to infiltrate, minimizing surface runoff.
After the clinker cools, the spaces that resulted from collapsing of the materials are convenient places in which rattlesnakes and other animals can live.
www.state.nd.us /ndgs/NDNotes/ndn13_h.htm   (1039 words)

 The High Plains   (Site not responding. Last check: 2007-11-03)
The reddish siltstone rock that caps many ridges and buttes in the Powder River Basin is called "clinker" or "scoria." Clinker is rock that has been fused by the natural burning of underlying coal beds.
Clinker forms a distinct part of the ecosystem in the basin.
Because soils formed from clinker are very permeable, they absorb rain and melting snow like a sponge and protect it from evaporation.
www.blm.gov /education/high_plains/clinker.html   (200 words)

 Process for manufacturing rapid hardening portland cement clinker - Patent 4028126
CaO remains in the clinker obtained and further, the clinker shows the dusting phenomenon on cooling since large quantities of C.sub.2 S formed in the clinker transfers to the.gamma.-phase, powdered clinker also clogs the perforated plate of clinker cooler and disturbs the operation of a rotary kiln.
The mineral composition of the clinker was 39.4% of C.sub.11 A.sub.7.sup..
The clinker was ground, hemihydrate and anhydrite were added to the clinker and the resultant cement was subjected to the mortar test as described in Example 3.
www.freepatentsonline.com /4028126.html   (3995 words)

 Raw mixture for the production of cement clinker - Patent 4179302
The resulting cement clinker is cooled in an air-cooler and then delivered to grinding to a residue of not more than 10% on a sieve with the hole diameter of 80 mcm.
The thus-produced cement clinker is cooled in a cooler with water cooling, then delivered to grinding to a residue of not more than 10% on a sieve with the hole diameter of 80 mcm.
The resulting cement clinker is cooled in an air-cooled cooler and then delivered to grinding to a residue of not more than 10% on a sieve with the hole diameter of 80 mcm.
www.freepatentsonline.com /4179302.html   (2261 words)

 Hydraulic cements - Patent 4042408
A clinker was prepared as in Example 1, employing the raw materials therein described, by blending in the approximate proportions (dry basis) 70.3 percent chalk, 7.5 percent sand, 13.2 percent clay, 6.5 percent gypsum, together with 2.0 percent potassium sulphate and 0.5 percent calcium flouride, and sintering in an oil-fired furnace at around 1400.degree.
A clinker was prepared as in Example 1, employing the raw materials therein described, by blending in the approximate proportions (dry basis) 76.5 percent chalk, 9.5 percent sand, 9.2 percent clay, together with 2.3 percent iron pyrites, 2.0 percent potassium sulphate and 0.5 percent calcium fluoride, and sintering in an oil-fired furnace at around 1400.degree.
A clinker was prepared as in Example 1 employing the raw materials described therein, by blending in the approximate proportions (dry basis) 62.5 percent chalk, 0.6 percent sand, 27.9 percent clay, 6.5 percent gypsum, together with 2.0 percent potassium sulphate and 0.5 percent calcium fluoride and sintering in an oil-fired furnace at around 1400.degree.
www.freepatentsonline.com /4042408.html   (9175 words)

 NMBGMR Staff - Gretchen Hoffman - Natural Clinker paper in NMBM Bulletin 154   (Site not responding. Last check: 2007-11-03)
Clinker is a fused or partly fused byproduct of the combustion of coal or vitrified slag.
Natural clinker deposits are a result of coal combustion often attributed to prairie fires, or lightning strikes.
Natural clinker deposits are often found on the edges of drainage systems, where down cutting of streams exposed coal beds and enhanced the possibility of spontaneous combustion.
geoinfo.nmt.edu /staff/hoffman/clinker.htm   (584 words)

 Chapter Chapter 15 of The Expedition of Humphry Clinker by Tobias Smollett
He had been for some time in the snares of the thief-taking society; who, resenting his presumption in attempting to incroach upon their monopoly of impeachment, had him taken up and committed to Newgate, on the deposition of an accomplice, who has been admitted as evidence for the king.
Mead, importing that the said Clinker was not the person that robbed him on Blackheath; and honest Humphry was discharged.
Before I had time to interpose, Martin and Clinker returned from the pursuit, and the former payed his compliments with great politeness, giving us to understand, that the fellows had scampered off, and that he believed they were a couple of raw ’prentices from London.
www.bibliomania.com /0/0/44/83/17316/1.html   (688 words)

 Eye - Toxic cement ingredient blows - 12.13.01
But John Morand, chair of the Toronto Port Authority, says the clinker brought into the harbour by ship and deposited by a clamshell-type crane onto piles (where water is sprayed to maintain a hard-crust surface) is "perfectly safe." He says the operation meets all federal and provincial environmental requirements.
Such is not the case at Toronto harbour, where the process of loading the clinker onto the dock, its storage into piles and subsequent removal onto trucks is all done in the open.
Since clinker is a product, not a waste, she adds, "there are no regulations in how [it] is used or managed" on Port Authority docks.
www.eye.net /eye/issue/issue_12.13.01/news/clinker.html   (742 words)

 :: SABKO Industries :: Cement Plants - Portland Cement Clinker Grinding Plants
The Raw clinker available with ease in large quantities is grinded to produce Portland cement.
The clinker is transported to feed hopper, which feeds it into the Pre-crusher, Table feeders extract it out form the pre-crusher and feed it into a Ball mill, Blending of this fine powder with gypsum and other additives makes it the portland cement, Packing Plant and Material Handling equipment completes the offers.
Heavy duty steel plates are rolled to form the Mill Shells; the rollers and pressing machines are used to maintain the shape of the shell perfectly during the manufacturing.
www.sabko.com /cp3.htm   (282 words)

 Clinker Regions in the Powder River Basin
Clinker regions found in the Little Thunder Creek drainage of the Powder River Basin, 1:24000-scale.
Clinker is baked and fused geologic material generated during the combustion of a coal seam.
All clinker attributes were verified through the use of quality control and assurance plots.
www.sdvc.uwyo.edu /clearinghouse/metadata/clinker.faq.html   (1192 words)

 Boats4   (Site not responding. Last check: 2007-11-03)
This was either of clinker build or a shell and had its oars supported by full steel outriggers, so that the rowlocks were some distance from the sides of the boat.
Usually of clinker build, but light and handy, the average whiff was 20 to 23 feet long, 16 to 18 inches wide and 6 inches deep from keel to the top of the stem.
Usually of clinker build, but light and handy, the average whiff it was only 19 feet long but at least 2 feet 8 inches in the beam and 12 inches deep.
easyweb.easynet.co.uk /jim.shead/Boats4.html   (3627 words)

 The Fate of Trace Metals in the Wet Process Cement Kiln
Analysis of the data reveals that the clinker samples were contaminated with Cr and Ni from the grinding equipment used prior to digestion.
This indicates a strong tendency for chromium to concentrate in the clinker as might be expected given a boiling point of 2762C.
Essentially, vanadium is evenly distributed in the process output materials, clinker and kiln dust although a slight concentrating effect in the clinker may be possible.
gcisolutions.com /MTLFATE.htm   (2410 words)

 [No title]
Clinker forms from the natural burning of underlying coal beds, and consists of baked (melted) and fused rocks that are commonly red or red-brown in color.
The areas of clinker were transferred from original maps (folded paper copies) to a base stable medium (mylar) and registered using bounding control points in geographic (latitude and longitude) coordinates.
Individual clinker polygon coverages from the different map sources and from different areas were then joined to form a single, composite polygon coverage for the clinker.
geode.usgs.gov /ftp/rocky4/r4_rsclk.met   (698 words)

 Clinker examination   (Site not responding. Last check: 2007-11-03)
Examining a single sample of clinker in isolation will indicate the general features of that clinker but usually it is more useful to have at least two samples.
In the simplest case, if clinker or cement characteristics have changed from normal, a sample of typical clinker to compare with the atypical clinker should highlight the differences.
If a series of clinkers is examined over time, a picture will emerge of what is 'normal' for that works' clinker, providing a context for subsequent examination of single samples.
www.whd.co.uk /Clinker/clinkerexam.html   (382 words)

 Lewis and Clark
Clinker may be defined as “stony matter that has fused together due the application of heat,” in this case, heat produced when veins of lignite coal burned over periods of many years, baking the surrounding sediment to form of natural brick.
In North Dakota, clinker is commonly referred to as “scoria,” a misnomer that reflects the notion that it formed as a result of volcanic processes.
Clinker beds are especially striking in appearance after a shower, which intensifies their typical reddish color..
www.state.nd.us /ndgs/lewis&clark/lewis&clark1.htm   (3533 words)

 Bref Cement and Lime
This is followed by the clinkering process in which the calcium oxide reacts at high temperature (typically 1400-1500 °C) with silica, alumina, and ferrous oxide to form the silicates, aluminates, and ferrites of calcium which comprise the clinker.
In clinker burning, the raw meal (or raw meal slurry in the wet process) is fed to the rotary kiln system where it is dried, pre-heated, calcined and sintered to produce cement clinker.
Clinker transport in the reciprocating grate cooler is effected by stepwise pushing of the clinker bed by the front edges of alternate rows of plates.
aida.ineris.fr /bref/bref_ciment/site/pages/anglais/bref_complet.htm   (11956 words)

 Clinker Dinghy   (Site not responding. Last check: 2007-11-03)
In the days of fishing under sail a clinker dinghy was an essential work boat for most fisherman.
A 12'0 clinker dinghy carrying 110 sq ft on a Bermudan rig...
Tideway clinker dinghies 12 ft and 14 ft in grp or timber, Maylandsea Essex, 01621...
www.sailing.boats-and-boating.info /sail-boats/clinker-dinghy.html   (311 words)

Several of these entries related to observations of burning coal or the presence of clinker, rock that is baked or fused by heat generated from burning of coal.
These clinker samples are housed at the Academy of Natural Sciences in Philadelphia and are among only a handful of the original 68 rock, mineral, and fossil specimens collected during the Lewis and Clark Expedition that are extant.
Clinker is forming today in North Dakota in areas where there are active coal bed fires.
gsa.confex.com /gsa/2004AM/finalprogram/abstract_75537.htm   (547 words)

 Under the Microscope
In typical clinker, the other two most common phases are comprised of aluminate (C3A) and ferrite (C4AF), and are referred to as the matrix, interstitial, or liquid phase (Photos 1 and 2).
Alkali-modified aluminate (alkali aluminate) is observed in etched clinker as prismatic or cigar shaped.
Three clinker samples per year are mailed along with a report form to interested participants, who examine the clinker and provide results.
cementamericas.com /mag/cement_microscope   (2378 words)

On the eastern side of the basin in the Wyodak clinker of the Rochelle Hills, ages are 513 ± 41 ka, 486 ± 38 ka and 478 ± 39 ka (replicates), 207 ± 17 ka, 191 ± 15 ka and 206 ± 16 ka (replicates), and 175 ± 88 ka.
The Wyodak coal and clinker in the Rochelle Hills dips gently to the west, exposing a structural depth of 125 m over 8 km.
We are currently dating samples from other dipping or stacked sequences of clinker units elsewhere in the region for erosion-rate constraints.
gsa.confex.com /gsa/2002AM/finalprogram/abstract_43083.htm   (551 words)

 Humphry Clinker - Open Encyclopedia   (Site not responding. Last check: 2007-11-03)
The Expedition of Humphry Clinker was the last of the picaresque novels of Tobias Smollett, first published in 1771, and is considered by many to be Smollett's best and funniest work.
It is presented in the form of letters written by five different characters.
The title character, Humphry Clinker, is an ostler who does not make his first appearance until about a quarter of the way through the story, when he is taken on by Matthew Bramble, a Welshman, and his family who are travelling through England.
open-encyclopedia.com /Humphry_Clinker   (193 words)

 Amazon.ca: Books: The Expedition of Humphry Clinker   (Site not responding. Last check: 2007-11-03)
An epistolary novel, "Humphry Clinker" is no stranger in format to the eighteenth century - however, odd to me was the fact that none of the writers - Squire Bramble, his sister Tabitha, their nephew and niece Jery and Lydia Melford, and Tabitha's waiting woman Winifred - ever receives a response.
The letters of the Bramble expedition encompass a wide range of topics, along a range of experience and sentiment, of interaction, which itself is a veritable buffet of later eighteenth century customs, coffeehouse culture, civil engineering, agriculture, speech, fashion, science, moral philosophy, art, and manners spanning Wales, England, and Scotland, both in countryside and cityscape.
Their various perspectives on two of the novel's minor characters, the eponymous Humphry Clinker and the combative disputant Scot Obadiah Lismahago (the most cosmopolitan figure among the recurring characters), confer substance, interest, and warmth upon characters who do not themselves write letters.
www.amazon.ca /exec/obidos/ASIN/1404349049   (1367 words)

 CIPO - Canadian Patent Database - Claims - 1197270
A method of forming an improved expansive cement as in Claim 1 wherein said expansive clinker is ground to a surface area of from about 5000 sq.
cm/gm; blending said expansive clinker with a ground cement clinker and with gypsum to form said expansive cement, said expansive clinker comprising from about 4 to about 9% by weight of said cement and said gypsum comprising from about 4% to about 10% by weight of said cement.
Claim 6 wherein said expansive clinker is ground to a surface area of from about 5000 sq.
patents1.ic.gc.ca /claims?patent_number=1197270&language=EN   (501 words)

 Print Message   (Site not responding. Last check: 2007-11-03)
Clinker went on to say that the couple would be married in a private ceremony next month.
Clinker shocked Oprah and made her audience gasp when he told her that he was leaving his radio show and the financial publishing business.
Clinker told Oprah that he would be giving his newsletter (including the invaluable market-timing model) to Jack Swanson, and his website to Bob Clinker Jr.
www.suite101.com /print_message.cfm/investing/31164/235567   (350 words)

 A Co-generation Process For Clinker and Electricity in Portland Cement Plants
In a dry process cement clinker production line, the heat of the exhaust gases from the clinker burning system has to be used efficiently by heat-exchange with the raw materials led to avoid heat loss.
It was recently reported that 39KWH electricity per metric ton of clinker could be generated by a waste heat recovery power plant, which can supply about one third of the total power requirement of the plant, and the pay-back period(PBP) of the power plant was only 3 years.
Chart 1A is a comparison of the specific capital investment on the whole plant calculated on annual clinker capacity between the new co-generation process and a conventional modern dry cement process with a waste heat recovery electric power station.
www.environmental-expert.com /articles/article415/article415.htm   (2076 words)

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