In order to monitor the thermal expansion changes of the turbine cylinder under high temperature and high-pressure conditions in real time, the TD-2-25 case expansion sensor is widely used in the turbine industry for its high accuracy and durability. This article will introduce the installation location requirements of the turbine thermal expansion sensor and how to ensure its correct installation to achieve the best measurement effect while protecting the sensor from vibration and mechanical stress.

Specific requirements for the installation location

1. Center and vertical principle: The installation location of the sensor TD-2-25 should be selected in the center area of ​​the cylinder. This is because the center position can better represent the overall expansion and reduce the measurement error caused by local deformation. At the same time, the sensor axis must be perpendicular to the expected expansion direction of the cylinder to ensure that the measurement is pure expansion displacement rather than offset in other directions.

2. Stable support: The installation point must be stable and reliable to avoid measurement deviations caused by unstable support structures. Usually, the sensor is fixed on specially designed brackets, which must have a good rigid connection with the cylinder, but cannot overly constrain the free expansion of the cylinder.

3. Environmental factors: The installation location should be away from high temperature sources, oil stains, water vapor and other environmental factors that may affect the performance of the sensor to ensure its long-term stability and accuracy.

4. Convenient maintenance and calibration: Although the thermal expansion sensor TD-2-25 may be located in a relatively hidden location, it is still necessary to consider the convenience of daily maintenance and regular calibration to ensure that necessary inspections and adjustments can be performed at any time.

Strategies to ensure correct installation

1. Precise alignment and fixation: Use professional installation tools and positioning devices to ensure that the sensor fits perfectly with the measuring surface. The fixing bolts must be tightened according to the torque value recommended by the manufacturer to prevent installation errors or damage caused by overtightening or over-loosening.

2. Anti-vibration measures: In view of the strong vibration generated during the operation of the turbine, the sensor should be installed with shock-absorbing gaskets or special shock-absorbing mounting structures to absorb vibration energy and protect the sensor from damage.

3. Cable management: The signal cable of the thermal expansion sensor TD-2-25 needs to be properly arranged to avoid damage caused by mechanical distortion or external force. It is recommended to use flexible cables and lay them along a fixed path, and install protective tubes if necessary.

4. Preheating and thermal expansion compensation: Before the first installation or reactivation after a long shutdown, the sensor should be properly preheated to reduce the initial measurement error caused by temperature gradient. At the same time, consider the impact of thermal expansion on the sensor itself and make necessary compensation settings.

5. Calibration and verification: After installation, verify the accuracy and reliability of the sensor through standard calibration procedures. This includes zero point calibration, full scale test, and comparison and analysis with historical data to ensure the credibility of the measurement results.

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