GB/T 33857-2017 in English
VALIDGeneral principles for energy conservation assessment-Combined heat and power generation project
- Issued on:2017-05-31
- Implemented on:2017-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$156.00
《GB/T 33857-2017节能评估技术导则 热电联产项目》由TC20（全国能源基础与管理标准化技术委员会）归口，TC20SC3（全国能源基础与管理标准化技术委员会能源管理与节能评估分会）执行，主管部门为国家标准化管理委员会。
Introduction
Overview of Energy Efficiency Assessment Technical Guidelines for Cogeneration Projects
GB/T 33857-2017 "Technical Guidelines for Energy Efficiency Assessment Cogeneration Projects" is a national standard of the People's Republic of China, which aims to regulate the energy efficiency assessment of cogeneration projects. This standard applies to new or modified and expanded cogeneration fixed asset investment projects that use steam turbines, gas turbines or gas-steam combined cycle power generation and heat supply as heat sources.
Scope of application and core clauses
This standard specifies the content and requirements of energy efficiency assessment for cogeneration projects, covering project preparatory stages, analysis and assessment, and report preparation. The core clauses include:
- Determine the scope of energy-saving assessment
- Collect basic information
- Conduct on-site investigation
- Energy-saving assessment of unit selection
- Energy-saving assessment of overall layout
Energy-saving assessment process and methods
| Evaluation dimensions | Scope of application | Indicator requirements | Evaluation steps | Comparative analysis |
|---|---|---|---|---|
| Unit selection | Gas turbine or combined cycle project | Heat rate, efficiency | Analyze the rationality of technical parameters | Compare with the advanced level of the industry |
| Overall layout | Overall Project Layout | Logistics Efficiency, Energy Loss | Optimize Functional Zoning | Improve Energy Efficiency |
Terms and Practical Applications
Cogeneration refers to a system that produces electricity and heat at the same location, usually using waste heat recovery technology to improve energy utilization. For example, while a gas turbine generates electricity, a waste heat boiler is used to generate steam for heating.
Implementation suggestions and optimization directions
In practical applications, it is recommended to:
- Optimize the unit selection plan
- Improve the equipment of energy metering instruments
- Strengthen the construction of energy management system
- Improve energy utilization efficiency in combination with external conditions
Summary: GB/T 33857-2017 provides standardized guidance for energy-saving assessment of cogeneration projects. Through scientific assessment processes and methods, it can effectively improve the energy efficiency of projects and promote sustainable development.
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