1 Scope
This Part in DL/T 5210 specifies the relevant requirements in construction quality acceptance standard, quality evalution of single project, quality evalution of single unit, and quality evalution of overal project of steam turbine generator units in thermal power generation engineering.
This part is applicable to construction quality acceptance and engineering quality assessment of new construction, extension and renovation of thermal power generation project steam turbine generator units with unit capacity of 300MW ~ 1000MW thermal power generation project and fuel gas - steam combined cycles machine unit. This part can be referanced for assessment of thermal power generating unit and nuclear power station conventional Island under 300MW and the BOP engineering.
2 Normative references
For dated reference, subsequent amendments to (excluding corrigenda), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this standard.
GB/T 7596 Quality criteria of turbine oils in service for power plants
GB 50205 Code for Acceptance of Construction Quality of Steel Structures
GB/T 50375 Evaluating standard for excellent quality of building engineering
DL 5011 The Code of Election and Acceptance for Power Plant Construction - steam turbine unit part
DL/T 5161.1~5161.17 Specification for construction quality checkout and evaluation of electric equipment installation
DL/T 5210.1 Specification for construction quality acceptance and evaluation of electric power construct Part 1: Civil construction engineering
DL/T 869 The Code of the Welding for Power Plant
3 General Provisions
3.0.1 This standard is formualted with a view to intensifying construction engineering quality control in electric power inducstry, improving construction quality level, and unifying the relevant requirements in construction quality acceptance standard and evaluation for thermal power generation engineering.
3.0.2 The construction quality acceptance for thermal power generation project shall be conducted by inspection lot, subitem project, subsection project, and unit project. the construction quality acceptance is only applied with a quality grade "qualified"; in case of any nonconformity, it shall comply with Article 4.1.12 in this Part.
3.0.3 The engineering quality evaluation shall be conducted for the projects with the "high quality" engineering objective.
3.0.4 The engineering quality evaluation shall be conducted by the three phases (stage) - single project, single unit and overal project.
3.0.5 The construction quality evaluation for single project shall be conducted upon that the construction quality acceptance for all unit projects is qualified and the collection and rearrangement of engineering technical document is completed, and the evaluation shall cover the whole work content before 168-h trial operation with full load.
3.0.6 The quality evalution for single unit shall be con ducted after the construction quality acceptance for all single projects and the 168-h trial operation of the unit with full load are completed and the environmental protection projects suppoted are normally put into operation. the synergic system shall be bought into the evaluation for the first unit.
3.0.7 The quality evalution for overal project shall be conducted after the quality evalution for all single units, the performance tests of the units and the engineering archives evaluation are completed.
Foreword
1 Scope
2 Normative references
3 General Provisions
4 Construction quality acceptance
4.1 Requirements for construction quality acceptance
4.2 Division of construction quality acceptance range and general tables
4.3 General parts of steam turbine generator units
4.4 Steam turbine main body installation
4.5 Adjustment and lubricating oil system installation
4.6 Generator and exciter installation
4.7 Assembly and installation of water-cooled condenser
4.8 Installation of air-cooling condenser system
4.9 Installation of deaerator (water tank) equipment installation
4.10 Installation of high- and low-pressure heater
4.11 Installation of bypass system equipment
4.12 Installation of steam feed pump unit
4.13 Installation of electrically driven feed pump group
4.14 Installation of condensate pump
4.15 Installation of desuperheater and decompressor
4.16 Installation of hoisting appliance
4.17 Installation of diesel generator
4.18 Installation of water circulating pump
4.19 Rotary sieve installation
4.20 Trash remover equipment installation
4.21 Installation of large-scale flat steel gate
4.22 Deep water pump installation
4.23 Installation of water purifying plant
4.24 Main body installation of combustion engine
4.25 Combustion engine auxiliary device and accessory machinery installation
4.26 Construction Identification and approval
5 Construction Quality Evaluation of Single Project
5.1 Basic requirements
5.2 Evaluation provisions
5.3 Evaluation content
5.4 Evaluation methods
5.5 Construction quality evaluation for main body and sub-system of turbine generator
5.6 Evaluation on installation and construction quality of accessory machinery and auxiliary device in main power house
5.7 Evaluation on Installation and Construction Quality of Accessory Machines and Auxiliary Equipments outside the Main Building
5.8 Evaluation on Pipe Installation Quality of Steam Turbine
5.9 Evaluation on Construction Quality of Steam Turbine Main Body (Including Steam Feed Pump), Equipment, Pipe Insulation and Paint
5.10 Evaluation on Installation and Construction Quality of Combustion Engine and Its Auxiliary Equipments and Accessory Machines
5.11 Summarizing of Evaluation Score of Project Position (Scope) of Single Project
5.12 Evaluation Report on the Quality of Single Project
6 Quality Evaluation of Single Unit
7 Quality Evaluation of Overall Project
Annex A (Informative) Typical Data of Flow Passage Part
Annex B (Informative) Grading Standard of Oil Quality
Annex C (Normative) Vibration of Accessory Machines
Annex D (Normative) Centre Alignment of Accessory Machines
