T/HEBQA 013-2024 Nitrogen fertilizer quality control specifications for coal-fired power plants
T/HEBQA 013-2024 Nitrogen fertilizer quality control specifications for coal-fired power plants
Basic Information
Scope
Main technical content: This document specifies the requirements for urea quality control in thermal power plants, mainly from the following aspects: total nitrogen (N) content, urea diurea content, moisture content, iron (calculated as Fe) content, alkalinity (calculated as NH3 content), sulfate (calculated as SO42- content), water-insoluble matter content, chloride ion (calculated as Cl-) content, calcination loss, particle size, and chloride ion content in urea hydrolysis solution. This document also specifies the test methods and inspection rules for urea quality control in thermal power plants, mainly from the following aspects: appearance, total nitrogen content, urea diurea content, moisture content, iron content, alkalinity, water-insoluble matter content, particle size, sulfate, chloride ion, calcination loss, inspection categories and inspection items, batch grouping, sampling plan, sample splitting, and result determination.