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NB/T 11439-2023: Energy efficiency evaluation method for fluidized bed gasification
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| NB/T 11439-2023 | English | 309 |
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Energy efficiency evaluation method for fluidized bed gasification
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NB/T 11439-2023
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Basic data | Standard ID | NB/T 11439-2023 (NB/T11439-2023) | | Description (Translated English) | Energy efficiency evaluation method for fluidized bed gasification | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | F04 | | Classification of International Standard | 71.120.01 | | Word Count Estimation | 14,150 | | Date of Issue | 2023-12-28 | | Date of Implementation | 2024-06-28 | | Issuing agency(ies) | National Energy Administration | NB/T 11439-2023: Energy efficiency evaluation method for fluidized bed gasification---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
NB/T 11439-2023 English version. Energy efficiency evaluation method for fluidized bed gasification
ICS 71.120.01
CCSF04
Energy Industry Standards of the People's Republic of China
Calculation Method of Energy Efficiency of Fluidized Bed Gasification
Released on 2023-12-28
2024-06-28 Implementation
The National Energy Administration released
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Coal Industry Association.
This document is under the jurisdiction of the National Coal Chemical Industry Standardization Technical Committee (SAC/TC469).
This document was drafted by. Institute of Engineering Thermophysics, Chinese Academy of Sciences, and Hefei Coal Gasification Technology Co., Ltd.
The main drafters of this document are. Zhu Zhiping, Zhang Haixia, Gao Ming, Lü Qinggang, Wang Xiaofang and Yu Kuangshi.
Calculation Method of Energy Efficiency of Fluidized Bed Gasification
1 Scope
This document specifies the energy efficiency calculation method for fluidized bed gasification.
This document is applicable to the energy efficiency calculation of fluidized bed gasification process using coal, semi-coke, biomass, etc. as raw materials.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 2589 General rules for comprehensive energy consumption calculation
GB/T 31428 Coal Chemical Industry Terminology
GB/T 41039 General rules for determining design coal types and verification coal types for modern coal chemical projects
3 Terms and definitions
The terms and definitions defined in GB/T 41039 and GB/T 31428 and the following apply to this document.
3.1
Fluidized bed gasification
The upward moving airflow causes the carbonaceous particles to be suspended in the gasifier during the gasification process.
[Source. GB/T 31428-2021, 5.5, modified]
3.2
bottom ash
The residue discharged from the bottom of the gasifier.
3.3
fly ash
Carbonaceous fine particles are entrained by the gasification gas and leave the gasifier and are separated and discharged during the gasification gas purification process.
3.4
Fluidized bed gasification energy efficiency energy efficiency fluidized bed gasification
The ratio of the total effective energy output to the total energy input of fluidized bed gasification during the statistical reporting period.
4 Basic Provisions
4.1 When calculating energy efficiency, a unified energy conversion factor shall be used for input and output energy, and the energy conversion factor shall comply with the provisions of Appendix A.
4.2 When comparing and evaluating different fluidized bed gasification process technologies (including hot gas process, cold gas process, etc.), the comparison benchmark is the standard
The hourly production of effective gas (CO H2 CH4) under standard conditions.
4.3 The calculation of input/output energy should be based on normal operating conditions, and continuous utilities during normal production should also be considered.
Consumption and intermittent utility consumption. Intermittent consumption or output in the normal production process is converted to an average value before being included.
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