Standards

YB/T 4726.14-2024 Active

YB/T 4726.14-2024 YB/T 4726.14-2024 Iron-bearing Dust and Sludge Determination of Arsenic Content by Atomic Fluorescence Spectrometry

This document specifies the terms and definitions, principles, reagents, instruments, sampling, analysis steps, result calculation, and precision for determining the arsenic content in iron-containing dust using atomic fluorescence spectrometry. This document is applicable to the determination of arsenic content in iron-containing dust, with a measurement range (mass fraction) of 0.001% to 0.1%.

Publish Date: 2024-12-10

YB/T 4891.4-2024 Active

YB/T 4891.4-2024 YB/T 4891.4-2024 Specification for CO2 utilization technology in steel enterprises - Part 4: Application in blast furnace ironmaking

This document specifies the terms and definitions, principles and processes, general requirements, and technical requirements for the use of carbon dioxide in blast furnace ironmaking. This document is applicable to the design, construction, operation, and management of related process technologies for the use of carbon dioxide in blast furnace ironmaking in steel enterprises.

Publish Date: 2024-12-10

YB/T 4891.5-2024 Active

YB/T 4891.5-2024 YB/T 4891.5-2024 Specification for CO2 utilization technology in steel enterprises - Part 5: Application in steel refining

This document specifies the terms and definitions, technical principles, gas source requirements, sub-technologies, process requirements, and safety requirements for the use of carbon dioxide in molten steel refining. This document is applicable to the design, construction, operation, and management of carbon dioxide utilization processes in the molten steel refining process of steel enterprises

Publish Date: 2024-12-10

YB/T 6149-2024 Active

YB/T 6149-2024 YB/T 6149-2024 Iron and Steel Solid Waste Resource Comprehensive Utilization Evaluation Guidelines

This document specifies the terms and definitions, evaluation principles, evaluation index system, and evaluation methods for the comprehensive utilization of solid waste resources in steel enterprises. This document is applicable to the comprehensive utilization evaluation of industrial solid waste such as blast furnace slag, steel slag, iron-containing sludge, flue gas desulfurization by-products, and used refractory materials generated by steel enterprises.

Publish Date: 2024-12-10

YB/T 6150-2024 Active

YB/T 6150-2024 YB/T 6150-2024 Steel Slag Determination of RO Phase Content by Weight Method

This document specifies the principle, reagents, instruments and equipment, sample preparation, experimental steps, result calculation, and experimental report for determining the content of the RO phase in steel slag by weight method. This document is applicable to the determination of the RO phase content in converter steel slag, with a measurement range (mass fraction) of 2% to 30%.

Publish Date: 2024-12-10

YB/T 6151-2024 Active

YB/T 6151-2024 YB/T 6151-2024 Sintering Machine Head Fume Purification Dust Removal Technical Specification

This document specifies the terms and definitions, basic requirements, electrostatic precipitators, bag filters, ash conveying systems, construction, installation, and acceptance, as well as operation and maintenance of the sinter head flue gas purification and dust removal system. This document is applicable to the design, construction, commissioning, operation management, and evaluation of the sinter head flue gas purification and dust removal system. The sinter head flue gas purification and dust removal system should be designed in conjunction with the sinter head flue gas desulfurization and denitration process, and does not include other systems such as sinter flue gas desulfurization and denitration systems.

Publish Date: 2024-12-10

YB/T 6152-2024 Active

YB/T 6152-2024 YB/T 6152-2024 Dust Control Technical Specification for Steel Slag Treatment Process

This document specifies the terms and definitions, basic requirements, steel slag treatment processes, dust collectors and general equipment, construction, installation and acceptance, operation and maintenance, safety, environmental protection, and protection for the dust removal system of steel slag treatment processes. This document is applicable to the design, construction, commissioning, and operation management of dust removal systems for primary steel slag treatment processes such as drum treatment, pool-type hot quenching, roller pressing, hot pouring, and water spraying in steel enterprises. It does not include the design, construction, commissioning, and operation management of dust removal systems for secondary steel slag treatment processes such as magnetic separation, screening, crushing, transfer, and storage.

Publish Date: 2024-12-10

YB/T 6153-2024 Active

YB/T 6153-2024 YB/T 6153-2024 Steel Slag Determination of Water-soluble Chromium(Ⅵ) Content - Diaminobenzidine Spectrophotometric Method

This document specifies the principle, reagents and materials, instrumentation, experimental procedures, calculation of analysis results, precision, and test reports for the determination of the water-soluble chromium (VI) content in steel slag by the spectrophotometric method of diphenylcarbazide. This document is applicable to the determination of the water-soluble chromium (VI) content in steel slag, with a measurement range (content) of ≤35mg/kg.

Publish Date: 2024-12-10

YB/T 6154-2024 Active

YB/T 6154-2024 YB/T 6154-2024 Blast furnace top pressure gas recovery and utilization technical specifications

This document specifies the terms and definitions, technical principles, process flow, technical requirements, and safety and environmental protection of the gas recovery and utilization technology of blast furnace top equalizing gas. This document is applicable to the recovery and utilization of blast furnace top equalizing gas in new construction, modification, and expansion projects.

Publish Date: 2024-12-10

YB/T 6155-2024 Active

YB/T 6155-2024 YB/T 6155-2024 Thermal balance testing and calculation method for coking thawing system

This document specifies the terms and definitions for the thermal balance test and calculation of the coking thawing system, the benchmark for thermal balance test and calculation, test preparation, test steps, test content and methods, thermal balance calculation, and thermal balance test report. This document is applicable to coking enterprises, and other industries can refer to and use it for reference

Publish Date: 2024-12-10

YB/T 6303-2024 Active

YB/T 6303-2024 YB/T 6303-2024 Graphite electrode enterprise green factory evaluation requirements

This document stipulates the evaluation principles, evaluation index system, evaluation requirements, evaluation procedures, and evaluation reports for green factories of graphite electrode enterprises. This document is applicable to the evaluation of green factories of graphite electrode production enterprises in all processes, and enterprises producing graphite electrodes in partial processes can refer to and use it for reference

Publish Date: 2024-12-10

YB/T 6304-2024 Active

YB/T 6304-2024 YB/T 6304-2024 Green Factory Evaluation Requirements for Manganese-based Iron and Steel Industry

This document stipulates the basic principles, evaluation indicators, and requirements for the evaluation of green factories in the manganese ferroalloy industry. This document is applicable to manganese ferroalloy production enterprises, including those that produce high-carbon manganese iron using electric furnaces (limited to those that use solvent-free or low-flux smelting processes), manganese-silicon alloys, and low-carbon manganese-silicon alloys, as well as green factory evaluation work for medium- and low-carbon manganese iron produced using refining electric furnaces. Green factory evaluation work for manganese ferroalloys produced using other processes can be used for reference

Publish Date: 2024-12-10