Sensors for monitoring waste glass quality and method of using t

Details Sensors for monitoring waste glass quality and method of using t Sensors for monitoring waste glass quality and method of using t

1992-08-25

1994-03-15

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

204421, 204422, G01N 2726

Patent

active

052943135

ABSTRACT:
A set of three electrical probes for monitoring alkali and oxygen activity of a glass melt. On-line, real time measurements of the potential difference among the probes when they are placed in electrical contact with the melt yield the activity information and can be used to adjust the composition of the melt in order to produce higher quality glass. The first two probes each has a reference gas and a reference electrolyte and a pair of wires in electrical connection with each other in the reference gas but having one of the wires extending further into the reference electrolyte. The reference gases both include a known concentration of oxygen. The third electrode has a pair of wires extending through an otherwise solid body to join electrically just past the body but having one of the wires extend past this junction. Measuring the potential difference between wires of the first and second probes provides the alkali activity; measurement of the potential difference between wires of the second and third probes provides the oxygen activity of the melt.

REFERENCES:
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patent: 4007106 (1977-02-01), Hone et al.
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patent: 4313799 (1982-02-01), Perkins
patent: 4428770 (1984-01-01), Worrell et al.
patent: 4639304 (1987-01-01), Bader et al.

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