CPC D21F 3/10 (2013.01) [D21F 3/04 (2013.01); D21G 9/0036 (2013.01)] | 7 Claims |
1. An assembly, comprising:
a seal strip with an upper surface configured to provide a seal for a suction roll, the seal strip including a cavity therein;
a seal strip holder, the seal strip residing in the seal strip holder and movable relative thereto; and
a temperature monitoring system comprising:
an infrared thermopile array sensor positioned in the cavity of the seal strip such that empty space exists within the cavity above the infrared thermopile array sensor, the infrared thermopile array sensor comprises a plurality of thermopiles, each of the thermopiles configured to generate a small electric voltage when exposed to infrared radiation emitted into the cavity due to operation of the suction roll; and
a controller operatively connected with the infrared thermopile array sensor, the controller configured to receive signals from the infrared thermopile array sensor and process the signals to provide a temperature grid representative of the temperature of the upper surface of the seal strip.
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