<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The paper describes the function and importance of safety devices on pressure equipment, legal regulations for the necessary scope and periods of functional inspections of safety valves in thermal power plants. The mode of operation of the apparatus for in-site testing and adjustment of safety valves on pressure vessels is described, as well as a comparative presentation of the obtained test results compared to the results obtained by the conventional method that uses hydraulic pressure of the medium for valve spring load. The on-site method uses a motor drive to load the valve spring, and uses sensitive displacement, force and sound sensors to generate signals, which are processed in a suitable software application to obtain test results. Unlike the conventional method, the on-site method allows testing of safety valves without their disassembly from the installation site. A comparison of the test results obtained by the modern method with the test results by the conventional method was made on several safety valves. It has been shown that in addition to better precision, which is important for valves with lower operating pressures, the application of the on-site method shortens the test time several times.</p>
</abstract>

The paper describes the function and importance of safety devices on pressure equipment, legal regulations for the necessary scope and periods of functional inspections of safety valves in thermal power plants. The mode of operation of the apparatus for in-site testing and adjustment of safety valves on pressure vessels is described, as well as a comparative presentation of the obtained test results compared to the results obtained by the conventional method that uses hydraulic pressure of the medium for valve spring load. The on-site method uses a motor drive to load the valve spring, and uses sensitive displacement, force and sound sensors to generate signals, which are processed in a suitable software application to obtain test results. Unlike the conventional method, the on-site method allows testing of safety valves without their disassembly from the installation site. A comparison of the test results obtained by the modern method with the test results by the conventional method was made on several safety valves. It has been shown that in addition to better precision, which is important for valves with lower operating pressures, the application of the on-site method shortens the test time several times.

On-Site Safety-Valves Testing in Thermal Power Plants

B&H Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"On-Site Safety-Valves Testing in Thermal Power Plants"}

The paper describes the function and importance of safety devices on pressure equipment, legal regulations for the necessary scope and periods of functional...

On-Site Safety-Valves Testing in Thermal Power Plants

Pubblicato online: 26 ott 2022

Pagine: 71 - 77

Ricevuto: 01 set 2021

Accettato: 01 ott 2021

DOI: https://doi.org/10.2478/bhee-2021-0020

Parole chiave
on-site testing, pressure equipment, opening pressure, software tools

© 2021 Kenan Kadić et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

On-Site Safety-Valves Testing in Thermal Power Plants

Pubblicato online: 26 ott 2022

Pagine: 71 - 77

Ricevuto: 01 set 2021

Accettato: 01 ott 2021

DOI: https://doi.org/10.2478/bhee-2021-0020

Parole chiaveon-site testing, pressure equipment, opening pressure, software tools

© 2021 Kenan Kadić et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
on-site testing, pressure equipment, opening pressure, software tools