pneumatic injection

pneumatic injection

[nu̇′mad·ik in′jek·shən]
(mining engineering)
A method for fighting underground coal fires, developed by the U.S. Bureau of Mines; this air-blowing technique involves the injection of incombustible mineral, like rock wool or dry sand, through 6-inch (15-centimeter) boreholes drilled from the surface to intersect underground passageways in the mines.
References in periodicals archive ?
The company is to provide one steel producer, based in China, with a pneumatic conveying system that will transport quicklime within their production facility while the other contract will see the company supply a steel producer, based in Taiwan, with a pneumatic injection system that will inject pulverised coal into their blast furnace.
Pneumatic injection increases operating capability by 50 percent for greater productivity, reduced operating costs, and improved die cast integrity, according to the company.
The gas was injected at flow rates ranging from 300 to 800 scfm using a proprietary high-pressure pneumatic injection module designed to regulate the high flow rate.
2) slides pneumatic injection of methanol (8 Liter)
A small pneumatic injection press from England was introduced at the show by MCP Equipment (distributed here by TomKen Tool & Engineering, Inc.