T/CSEE 0102-2019 Active Group standards

T/CSEE 0102-2019 Technical guidelines for instrumentation tube mounts of pressurized components of thermal power units

Publish Date: 2019-02-28 Implement Date: 2019-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CSEE 0102-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Steam turbines and their auxiliary equipment

ICS Name: Gas turbines, steam turbines, and steam engines

Publish Date: 2019-02-28

Implement Date: 2019-05-01

Scope

Main technical content: This standard specifies the requirements for the structure, materials, installation, welding, inspection, and use of instrument pipe sockets and sleeves on pressure-bearing components of thermal power units, such as pipelines, valve bodies, and cylinder blocks. With the increasing demand for peak regulation of thermal power units, frequent leaks in high-temperature and high-pressure pipe sockets and sleeves have seriously affected the safe and reliable operation of the units, drawing great attention from power generation companies. However, there is a lack of systematic technical requirements for high-temperature and high-pressure pipe sockets and sleeve welds in thermal power units, and power plants do not know where to start managing the quality of pipe sockets, resulting in a lack of safety management and uncontrolled safety quality of pipe sockets and sleeves. In response to this situation, the Chinese Society of Electrical Engineering organized multiple units to conduct in-depth analysis of the safety quality of pipe sockets on pressure-bearing components of thermal power units, carried out relevant experimental research, and formulated this standard. The safety technical supervision of instrument pipe sockets is a process control, and every link in the process may affect the final safety of use. Therefore, in order to control the safety of pipe sockets and sleeves, a full-process management throughout the entire life cycle of pipe sockets and sleeves is necessary. Based on this concept, the guideline restricts and controls risks from multiple aspects, including the structure, material selection, welding, inspection, maintenance, modification, operation, and management of pipe sockets and sleeves. For instrument pipe sockets on pressure-bearing components of thermal power units, there are mainly temperature measurement points and pressure measurement points. However, the structure of pressure measurement points, drainage (discharge) pipe