Technical paper . W///1 i-inch holes spaced | J77Z 1\\\ SSX Figure 3.—Another type (No. 2) of grate used in experimental furnaee. through the openings in the furryace wall, as shown in figure 1. Thetemperatures were measured only approximately with a Haskin TESTS FOR COMBUSTION IN FUEL BED. 13 thermocouple inserted through the sampling holes into the fuel the temperature reached 1,000° C, the couple was pulled outto save it from destruction. In all such instances the temperature isstated as being above 1,000° C. The pressure of the air passingthrough the fuel bed was determined with a
Technical paper . W///1 i-inch holes spaced | J77Z 1\\\ SSX Figure 3.—Another type (No. 2) of grate used in experimental furnaee. through the openings in the furryace wall, as shown in figure 1. Thetemperatures were measured only approximately with a Haskin TESTS FOR COMBUSTION IN FUEL BED. 13 thermocouple inserted through the sampling holes into the fuel the temperature reached 1,000° C, the couple was pulled outto save it from destruction. In all such instances the temperature isstated as being above 1,000° C. The pressure of the air passingthrough the fuel bed was determined with a U-tube draft gage. For these tests the natural lignite was broken and sized, and thepieces that passed through a 2-inch and over a £-inch square-meshscreen were used. NOTES ON TESTS WITH LIGNITE. With rates of combustion of 3 and 0 pounds per square foot ofgrate per hour, the surface of the fuel bed was almost entirely flames were 6 to 12 inches long, were yellow, and not sooty.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou
