Core Viewpoint - The newly revised mandatory national standard "Safety Technical Specification for Calcium Carbide Production" (GB 32375-2025) aims to enhance safety risk management in the calcium carbide production industry, effective from September 1, 2026, replacing the previous standard [1] Group 1: Changes in Standards - The nature of the standard has shifted from recommended to mandatory, with all technical content being compulsory [1] - The scope of application has expanded to cover production, storage, abnormal condition handling, and emergency response for all calcium carbide production enterprises [1] Group 2: Safety Management Enhancements - New basic requirements have been introduced for safety management, plant site selection, building structures, pipelines and equipment, electrical instruments, and intelligent management [2] - Specific safety management measures include maintaining operational records for electrode paste height, scheduled maintenance for gas cabinets, and mandatory use of portable detection alarms in carbon monoxide leak risk areas [2] Group 3: Intelligent Monitoring and Automation - The specification mandates the use of robotic systems for calcium carbide discharge and the implementation of personnel positioning systems [2] - Key equipment must have operational status monitoring and fault warning capabilities, with automated detection for electrode immersion length during normal operations [2] Group 4: Operational Requirements for Calcium Carbide Furnaces - The oxygen content in furnace gas must be less than 1% during operation, with specific interlock conditions for high-temperature alarms and cooling water interruptions [3] - New requirements for hydrogen content alarms and pressure monitoring in the furnace gas have been established, with interlock systems for various hazardous conditions [3] Group 5: Storage and Emergency Procedures - New calcium carbide construction projects must not use wet gas cabinets and must include safety instrumentation [3] - The specification outlines monitoring and protective measures for storage, as well as detailed emergency response procedures for various operational scenarios [3]