Coal ash monitors

Details Coal ash monitors Coal ash monitors

1979-09-28

1981-07-14

Smith, Alfred E.

Radiant energy

Geological testing or irradiation

With sampling

250359, 3401463K, G01V 500, G01N 2300, G06K 900

Patent

active

042788820

ABSTRACT:
A monitor for determining the ash content of coal in wagons consisting of a structure including means for irradiating each wagon as it passes the structure with a known dose of neutrons, means for detecting and measuring the intensities of .gamma.-rays emitted by ash-forming elements in the coal, and means for providing an indication of the concentration of the ash-forming elements. There also are included interlocks for ensuring that the neutron source is only operated when a loaded wagon is in the appropriate position.

REFERENCES:
patent: 3016456 (1962-01-01), Corporon
patent: 3132247 (1964-05-01), Wright
patent: 3974992 (1976-08-01), Matty
patent: 4066892 (1978-01-01), Givens

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