A wireless detection system for the surface temperature of the drying cylinder of a paper machine
A wireless detection and surface temperature technology, applied in the paper machine, paper, textile and paper making, etc., can solve the problems of affecting the speed of the paper machine, increasing the power consumption, destroying the surface finish of the drying cylinder, etc., achieving high precision and ensuring temperature control. Effect
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Embodiment 1
[0034] Such as figure 2 As shown, for a certain paper machine drying cylinder, there are numbered 1#, 2#, 3#, ..., N# wireless temperature sensors installed on the working wall, and a certain number can be obtained according to the temperature fed back by the wireless temperature sensor. The temperature distribution on the surface of the drying cylinder is used to analyze and evaluate the consistency of the temperature distribution of the drying cylinder. If the local temperature difference of the drying cylinder is too large, it reflects that the local heat transfer of the drying cylinder is uneven, and it needs to be repaired.
Embodiment 2
[0036] Such as image 3 As shown, for a certain paper machine drying cylinder, the blank area between the drying cylinder and the wire section or the paper web, there are respectively arranged numbers Ⅰ#, Ⅱ#, Ⅲ#, ..., Ⅺ# along the direction of the paper machine transmission axis The infrared temperature sensor can obtain the temperature distribution of a certain numbered dryer from the operation side to the transmission side according to the temperature fed back by the infrared temperature sensor. If the temperature difference from the operation side to the transmission side is too large, it means that the dryer may have accumulated water or It is a poor heat transfer problem and needs to be repaired.
Embodiment 3
[0038] Such as Figure 4 As shown, for a paper machine with multiple drying cylinders, especially a fourdrinier paper machine, there are more than one drying cylinders, and the corresponding drying cylinders are respectively numbered A#, B#, C#, ..., M#, each drying cylinder There are multiple wireless temperature sensors installed in the working wall, respectively numbered A1#, A2#, A3#,..., MN#, according to the temperature fed back by each wireless temperature sensor, the temperature of each drying cylinder along the direction of the paper machine can be obtained. Surface temperature distribution, average the temperature measured by all the temperature sensors installed in a certain drying cylinder, the average surface temperature of all drying cylinders along the direction of the paper machine can be obtained, if the average temperature of a certain drying cylinder is abnormal, it will be fed back to the control system Adjust or repair a certain section of dryer.
[0039]...
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