The installation position of the explosion-proof thermal resistance will affect its measurement standard

When we install the explosion-proof thermal resistance, we need to pay attention to the accuracy of the measurement, as well as the maintenance and safety issues, but it must not cause any impact on the operation of the equipment, or the normal production and operation. , The above requirements must be met before the installation position and insertion depth of the thermal resistance can be considered. 1. If an explosion-proof thermal resistance with a protective sleeve, it will cause a certain loss of heat transfer and heat dissipation. In order to better reduce the error of these measurements, then whether it is the thermal resistance or the thermocouple in the depth of insertion There should be certain requirements, which must be clearly marked. 2. If it is installed in the measurement center of the pipeline, an explosion-proof thermal resistance based on the temperature of the fluid, under normal circumstances, its insertion depth should be ensured in the center of the pipeline, or it should be installed vertically or inclined. Both of these two installation methods can effectively ensure the normal use of the thermal resistance. 3. When measuring the temperature of high-temperature and high-pressure fluids, in order to reduce the protective sleeve, the explosion-proof thermal resistance may resist the fluid and cause it to break. You can choose the shallow insertion method to perform the protective tube sleeve. Protection, or the use of thermal jacket type thermal resistance to insert. 4. If it is necessary to measure the temperature of the flue gas in the flue, then for the explosion-proof thermal resistance, although the flue has a diameter of 4m, the insertion depth of the thermal resistance only needs to be ensured at 1m; and beyond When the insertion depth is 1m, it is better to use the vertical installation method or to support the protective casing. 5. In order to ensure that the explosion-proof thermal resistance has sufficient heat exchange capacity between the measuring end and the measured medium, it is very important to choose the position of the measuring point. Try not to choose the position of the valve, because this installation method It will affect the measurement standard of thermal resistance, and it can be installed in the dead corner of the equipment pipeline.

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