Method of ascertaining the state inside melting furnace for radi

Details Method of ascertaining the state inside melting furnace for radi Method of ascertaining the state inside melting furnace for radi

1981-05-19

1983-12-27

Gill, James J.

Tool driving or impacting

Means to drive tool about an axis

73302, 73439, G01F 2314

Patent

active

044223269

ABSTRACT:
A method of ascertaining the state inside a melting furnace of a radioactive waste, which method comprises: blowing a gas into a molten matter in the melting furnace by using at least two slender tubes disposed at an upper and lower points with a gap .DELTA.h between said points; detecting a back pressure difference .DELTA.P at the slender tubes to determine the density .rho. of the molten matter; and determining the level h of the molten matter in the furnace using the density .rho.. It is also possible to detect the formation of a bridge inside the furnace due to a non-molten solid matter of the waste charged into the furnace.

REFERENCES:
patent: 3881344 (1975-05-01), Jobe
"Instrument Society of America Journal" Aug. 1954, pp. 23-24.

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