Coal car thawing system

Details Coal car thawing system Coal car thawing system

1981-05-19

1986-04-29

Goldberg, Howard N.

Solid material comminution or disintegration

Processes

With heating or cooling of material

219200, 219202, 219385, 219421, 219427, 241 65, 2411012, 2411015, B02C 1108, B02C 2100

Patent

active

045851786

ABSTRACT:
A system for discharging coal frozen in railroad gondola cars includes provision for passing current through the shell of a gondola to melt the icy interface between coal and gondola, and for dropping the frozen coal out of the gondola by inverting the gondola; an embodiment includes shaking the gondola while inverted, after which the coal may be mechanically broken; special articulated electrodes or high current bus bars with electromagnets for self-holding of the bus bars to the sides of a gondola are disclosed.

REFERENCES:
patent: 2523212 (1950-09-01), Hight
patent: 3544762 (1970-12-01), Eisler
patent: 3583334 (1971-06-01), Schuller
patent: 3583335 (1971-06-01), Schilf
patent: 3800858 (1974-04-01), Placek
patent: 3952539 (1976-04-01), Hanson

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