granite quarrying using a browning flame jet burner
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Rock failure mechanisms of flame
By contrast, a flame-jet torch can deliver the necessary heat flux and gas jet velocities to spall and clear rock chips while drilling holes [3] Flame-jet spallation drilling or jet piercing employs a hot jet of combusted fuel, usually flowing at supersonic speeds and directed at underlying rock (Fig 1)...
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GRANITE Indian Minerals Yearbook 2012
of block splitting by using flame-jet burner and diamond wire saw for cutting Heavy-duty cranes of capacity to handle 50-tonnes blocks from a depth of more than 60 m has brought revolution in granite quarrying by way of more output with less cost The percentage recovery of granite is quite low and it varies from 5 to 15%...
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Burners for flame jet drill
Feb 14, 1978· A burner in the form of a flame jet drill bit engine for liquid fuels is disclosed The burner has particular utility in a flame jet drill and comprises an axially elongated body with a combustion chamber disposed therein At least one flame jet nozzle is disposed through the body adjacent the bottom so as to communicate with the reaction chamber...
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The thermal spallation drilling process
The burner, which resembles a small jet engine with its exhaust pointed downward, is the forerunner of a flame-jet burner used to make a 20- to 25-cm-diameter by 31 l-m-deep hole in granite at Conway, New Hampshire, in 1981...
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Monument Production
To excavate the granite for use in a memorial or monument, it is quarried into blocks This is done with the use of a jet burner, essentially a small rocket motor that burns fuel oil and oxygen The flame leaves the burner over 450% faster than the speed of sound and burns at over 2500 degrees Fahrenheit...
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Granite info
Quarrying Granite is taken from quarries using a variety of tools and personnel Often these blocks are as large as 10 feet long, 5 feet wide, 2-4 feet high and can weigh over 15 tons Granite is cut from the "bed" of the quarry with a jet piercing machine that produces a flame burning at approximately 3,000 degrees Farenheit...
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Gold Ore Processing Method
20191229Gold processing preparation of the ore for use in various products Native gold is the most common mineral of gold accounting for about 80 percent of the metal in the Earths crust It occasionally is found as nuggets as large as 12 millimetres 05 inch in diameter and on rare occasions...
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Granite 2015 Final
by using flame-jet burner and diamond wire saw for cutting Heavy-duty cranes of capacity to handle 50-tonne blocks from a depth of more than 60 m has brought revolution in granite quarrying by way of augmenting output with less cost The percentage recovery of granite on the whole is quite low and it varies from 5 to15% because of the...
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Granite flame finishing internal burner
Jun 30, 1992· An internal burner for producing a subsonic air-fuel flame jet capable of flame finishing granite of similar hard stone has a body forming a closed combustion chamber fed with an essentially stoichiometric flow of compressed air and fuel such that upon ignition and combustion of the reactants, there is produced at pressures in excess of 30 psig hot products of combustion...
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Dimension stone
Dimension stone in use can last many generations, even centuries, so the dimension stone manufacturers have not needed a product recycling program However, there are practical qualifications to and constraints on that sustainability The dimension stone color and pattern can be changed by weathering when it is very near the surface...
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US3608967A
Flame cutting mineral bodies with an improved form of flame jet to produce spalling is employed to carry out a channeling operation wherein a vertical channel is cut in an exposed vertical face of granite in a quarry Emission of a stream of products of combustion from a burner at superatmospheric pressure is controlled by means of a specially formed exit orifice in a flame jet nozzle to ....
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US3019004A
US3019004A US776498A US77649858A US3019004A US 3019004 A US3019004 A US 3019004A US 776498 A US776498 A US 776498A US 77649858 A US77649858 A US 77649858A US 3019004 A US3019004 A US 3019004A Authority US United States Prior art keywords flame rock channel cutting vertical Prior art date 1958-11-26 Legal status (The legal status is an assumption and is not a legal ,...
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Home built propane oven advice
Dec 25, 2011· Home built propane oven advice - Home Ovens - Pizza Making Forum Home built propane oven advice , I recently started a new mini oven project and using an efficient low pressure burner and ran into the same problem, , I wouldn't myself subject granite to direct flame Don Logged...
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Granite Cutting flame jet burner
Granite Cutting flame jet burner jet burner - Prodrill Products Made In China, China Manufacturer Granite Cutting flame jet burner General Introduction: Key Words: flame jet burner, flame cutting jet burner, flame granite cutting, flame jet burner for granite cutting, quarry flame jet burner It is a way to cutting rocks with high efficiency and the character of easily operation It is fueled by...
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Granite Mining
There are a very few mines which adopt the modern method of block splitting by using flame-jet burner and diamond wire saw for cutting Heavy-duty cranes of capacity to handle 50-tonne blocks from a depth of more than 60 m have brought revolution in granite quarrying by ,...
