Monitoring device for melting furnaces
AssigneeWieland-Werke AG
InventorsHilmar R. Mueller, Horst Thiess
Life of this patent
Estimating the term…
Abstract
Cracking of a crucible can cause heavy damage to the system in melting furnaces. A reliable monitoring of threatening breaking out of the melt is therefore needed. For this purpose a monitoring device for melting furnaces is provided to monitor the breaking out of melt and includes a closed circuit consisting of several conductor sections with at least a partially conducting surface and a measuring/displaying device. A first conductor section is series connected through an ohmic resistor R to a second conductor section. The first conductor section is arranged directly adjacent, however, electrically isolatingly spaced from and with respect to the second conductor section.
Claims19
A monitoring device for melting furnaces to facilitate the monitoring of a break out of melt, comprising a closed circuit of several electrically conductive sections with at least a partially conducting surface and a measuring/displaying device, wherein a first conductor section is series connected to an ohmic resistor R and a second conductor section, wherein the first conductor section is arranged directly adjacent, however, electrically isolatingly spaced from and with respect to the second conductor section, and wherein the ohmic resistor R is not subjected to the furnace temperature.
A monitoring device for melting furnaces to monitor a break out of melt, comprising:
- a measuring/displaying device;
- a first conductor section electrically connected to the measuring/displaying device;
- a second conductor section electrically isolated from the first conductor section and arranged adjacent to the first conductor section;
- and
- an ohmic resistor connecting the first conductor section and the second conductor section to form a closed series circuit, which ensures that the first and second adjacent conductor sections are electrically isolated from each other except for the current path of the ohmic resistor,
- wherein said device monitors the resistance of the series circuit to detect a short circuit between the first and second conductor sections resulting from a break out of melt therebetween.
Dependencies are inferred from the claim text.