Method and device for measuring the oxygen partial pressure in h

Details Method and device for measuring the oxygen partial pressure in h Method and device for measuring the oxygen partial pressure in h

1989-10-11

1991-12-10

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

204421, 204422, G01N 27417

Patent

active

050715283

ABSTRACT:
The invention relates to a measuring device to measure the oxygen partial pressure, in particular, glass melts, comprising a platinum measuring electrode and a reference electrode arrangement. The reference electrode arrangement is placed in an outer pipe and contains a platinum reference electrode. The electrode protrudes into an oxygen-conducting solid electrolyte, through which an oxygen-containing reference gas flows. For ion-conducting contact with the melt, a rod-shaped contact element of oxygen-ion conducting material is inserted into the open lower end of the outer pipe. This contact element is immersed in the melt. To prevent the inflow of environmental vapors into the measuring space through leaks at this connecting point, the actual measuring arrangement is placed in a liner pipe of oxygen-ion conducting material whose lower end is in ion-conducting contact with the contact element by way of an oxygen-ion conducting powdered material. Additionally, the annular space around the liner pipe can be separated from the interior of the liner pipe, and a flow of inert gas can be provided through the annular space via gas inlet and outlet connections.

REFERENCES:
patent: 3464008 (1969-08-01), Meysson et al.
patent: 3719574 (1973-03-01), Richardson

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