GB/T 30839.21-2015Energy consumption grading for industrial electroheat installations—Part 21: Ladle refining furnace (English PDF)
工业电热装置能耗分等 第21部分：钢包精炼炉
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 11, 2015
Implementation date
April 1, 2016
Scope
GB/T 30839.21-2015 is the English-translated version of 工业电热装置能耗分等 第21部分：钢包精炼炉.
GB/T 30839.21-2015 is the Chinese standard "Energy consumption grading for industrial electroheat installations—Part 21: Ladle refining furnace". Its scope clause reads: GB/T 30839 provisions of this part of the ladle furnace energy classification General requirements.
Including grading system energy consumption, energy consumption parameters, can The scope of consumption, energy consumption classification parameters and indicators, as well as the development of test methods.
This standard applies to factory ladle furnace, ladle refining furnace users and testing agencies assess the level of electric energy consumption and actual use The energy situation in order to promote the ladle refining furnace to reduce energy consumption, save energy.
This section is available ladle furnace manufacturing, energy classification standard reference production process. Its clauses include terms and definitions.
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Document preview — GB/T 30839.21-2015
National Standard of the People's Republic of China
- ICS
- 25.180.10
- Classification
- K 61
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Energy Consumption Grading System
- 5 2 energy parameters
- 6 energy range
- 7 Classification of energy consumption parameters and Indicators
1 Scope
GB/T 30839 provisions of this part of the ladle furnace energy classification General requirements. Including grading system energy consumption, energy consumption parameters, can
The scope of consumption, energy consumption classification parameters and indicators, as well as the development of test methods.
This standard applies to factory ladle furnace, ladle refining furnace users and testing agencies assess the level of electric energy consumption and actual use
The energy situation in order to promote the ladle refining furnace to reduce energy consumption, save energy.
This section is available ladle furnace manufacturing, energy classification standard reference production process.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2900.23-2008 Electrotechnical terminology industrial electric equipment
GB/T 10066.1-2004 Test methods for electroheat installations - Part 1. General section
GB/T 10066.10-2005 test methods for electric installations - Part 10. Direct electric arc furnace
GB/T 10066.11-2005 test methods for electric apparatus Part 11. submerged arc furnace
GB/T 30839.1-2014 Industrial electric energy device classification - Part 1. General requirements
3 Terms and Definitions
GB/T 30839.1-2014, GB/T 2900.23-2008, GB/T 10066.10-2005, GB/T 10066.11-2005 defined
The following terms and definitions apply to this document.
3.1 Ladle ladlerefiningfurnace
The ladle ladle stamped or placed in a vacuum vessel, to maintain the desired atmosphere inside the ladle process. With arc heating apparatus, liquid steel stir
Mix means slagging and alloy feeding means feeding wire, vacuum degasser and other sets of liquid steel refining equipment.
Note. Depending on the needs of refined steel species, may not contain slag and alloy feeding means feeding wire, vacuum degasser.
3.2 Unit power consumption
Test methods under the conditions specified in the refining cycle, refining units qualified molten consumed energy equivalent to the energy divided by the same
The quality of molten steel and molten steel during the temperature rise.
3.3 Unit electrode consumption
Under the conditions specified in the test method, the three-phase electrode in the refining cycle divided by the total amount of electricity consumed by the quality of the same period of time.
3.4 Refining cycle
Will be filled with molten steel from the ladle into the crane lifting station ladle car started to complete the technical requirements, the end of molten steel refining ladle hanging from the ceiling […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
GB/T 30839.1-2014 — Energy consumption grading of industrial electroheat installations—Part 1: General requirements
GB/T 30839.2-2015 — Energy consumption grading for industrial electroheat installations—Part 2: Three-phase steelmaking arc furnace
GB/T 30839.31-2014 — Energy consumption grading for industrial electroheat installations—Part 31: Medium frequency coreless induction furnaces
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