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YS/T 119.2-2025Methods for determination and calculation of heat balance of special equipments for alumina production - Part 2: Rotary kiln used calcining (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 17, 2025

Implementation date

July 1, 2026

Scope

YS/T 119.2-2025 (Methods for determination and calculation of heat balance of special equipments for alumina production - Part 2: Rotary kiln used calcining) is available as an English-translated PDF.

YS/T 119.2-2025 — This standard specifies the heat balance determination and calculation basis, equipment conditions and process, heat balance determination conditions, determination items and methods, material balance calculation, heat balance calculation, thermal efficiency and main technical indicators, heat balance determination analysis and improvement suggestions for rotary kilns used in alumina (hydrogen) roasting.

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Document preview — YS/T 119.2-2025

National Standard of the People's Republic of China

ICS
77.18
Classification
H 92
Replacing
YS/T 119.2-1992

Issued by: Ministry of Industry and Information Technology

Contents

  • What this standard covers1
  • Document data2

What this standard covers

This standard specifies the heat balance determination and calculation basis, equipment conditions and process, heat balance determination conditions, determination items and methods, material balance calculation, heat balance calculation, thermal efficiency and main technical indicators, heat balance determination analysis and improvement suggestions for rotary kilns used in alumina (hydrogen) roasting. This standard applies to the heat balance determination and calculation of rotary kilns using heavy oil, natural gas or coal gas as fuel and aluminum hydroxide, alumina, or mixtures of aluminum hydroxide and alumina as raw materials.

Document data

International classification (ICS): 77.18.

Chinese classification (CCS): H92.

Supersedes the earlier edition YS/T 119.2-1992.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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YS/T 119.2-2025

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