GB/T 37428-2019 English PDF

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GB/T 37428-2019: Methods of determination and calculation of thermal balance in electric arc furnace
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37428-2019	599	Add to Cart	6 days	Methods of determination and calculation of thermal balance in electric arc furnace	Valid

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Basic data

Standard ID: GB/T 37428-2019 (GB/T37428-2019)
Description (Translated English): Methods of determination and calculation of thermal balance in electric arc furnace
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H04
Classification of International Standard: 77.010
Word Count Estimation: 30,336
Date of Issue: 2019-05-10
Date of Implementation: 2020-04-01
Quoted Standard: GB/T 34476; GB/T 50439
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the terms and definitions of electric arc furnace heat balance test, heat balance test, material balance and heat balance calculation method. This standard is applicable to the thermal balance test and calculation of three-phase electric arc furnaces above 30 t in the iron and steel industry. DC electric arc furnaces and electric arc furnaces in other industries can also be used for reference.

GB/T 37428-2019: Methods of determination and calculation of thermal balance in electric arc furnace

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Methods of determination and calculation of thermal balance in electric arc furnace ICS 77-010 H04 National Standards of People's Republic of China Electric arc furnace heat balance test and calculation method Published on.2019-05-10 2020-04-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. Publication of this document The organization does not assume responsibility for identifying these patents. This standard was proposed by the China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This standard was drafted. Beijing University of Science and Technology, Metallurgical Industry Information Standards Institute, Guangzheng Energy Co., Ltd., Yingkou Institute of Technology. The main drafters of this standard. Zhu Rong, Dong Kai, Peng Yuhua, Wang Jiangwei, Qiu Jinhui, Wei Guangsheng, Ma Yanzhen, Cong Wei, Zhao Jingjing, Li Jianjun, Zhou Dong, Wu Xuetao, Tian Bohan.

Introduction

The issuing body of this document draws attention to the fact that the declaration in compliance with this document may involve Chapter 4, Section 4.4.2.6.1 and “An Electric Arc Furnace Steelmaking The use of patents related to the temperature measurement system and temperature measurement method for measuring the temperature of molten steel (Patent No. ZL201510958681.7). The issuing organization of this document has no position on the authenticity, validity and scope of the patent. The holder of the patent has assured the issuing authority of this document that he is willing to work with any applicant on reasonable and non-discriminatory terms and conditions. Negotiate on patent licensing. The patent holder's statement has been filed with the issuing authority of this document. Related information can be passed the following Way to get. Patent holder name. Beijing University of Science and Technology Address. Beijing University of Science and Technology, 30 Xueyuan Road, Haidian District, Beijing Please note that in addition to the above patents, certain aspects of this document may still involve patents. The issuing organization of this document does not undertake to identify these special Liability. Electric arc furnace heat balance test and calculation method

1 Scope

This standard specifies the terms and definitions of the EAF heat balance test, heat balance test, material balance and heat balance calculation method. This standard is applicable to the heat balance test and calculation of three-phase electric arc furnace of 30t or above in the steel industry, electric arc furnace of DC arc furnace and other industries. Can also refer to use.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 34476 converter heat balance test and calculation method GB/T 50439 Steelmaking Engineering Design Specification

3 Terms and definitions

The following terms and definitions as defined in GB/T 34476 and GB/T 50439 apply to this document. 3.1 Smelting cycle taptotaptime The time from the completion of the tapping of the electric arc furnace to the completion of the tapping of the furnace. 3.2 Non-contact temperature measurement Using the throat of the electric arc furnace wall as the measuring window of the infrared temperature measuring device, and using the electric arc furnace wall spray gun to spray the temperature measuring gas a raw supersonic gas jet that vents the soot containing gas in the furnace, penetrates the layer of foamed slag on the surface of the molten steel, and establishes between the molten steel and the sensor The stable molten steel temperature characteristic signal transmission channel realizes continuous or intermittent on-line measurement of the molten steel temperature in the furnace of the electric arc furnace steelmaking process.

4 heat balance test

4.1 Heat Balance Test Benchmark 4.1.1 Reference temperature The temperature at 1 m around the furnace is used as the reference temperature. 4.1.2 Heat Balance Test Range Covers all facilities from the addition of raw materials to the production of molten steel, including scrap preheating equipment, electric arc furnace body and flue gas waste heat recovery equipment. Wait. 4.1.3 Test conditions and frequency The test was carried out under normal production conditions and tested continuously for 3 times, one test per test cycle. ......

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