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Dust Explosion & ESG: Ensuring Safety and Sustainability
Dust explosions are a common and hazardous safety risk in industrial production, particularly in industries such as wood processing, food processing, chemicals, and pharmaceuticals. Understanding the combustibility and explosive characteristics of dust and conducting related testing are key to preventing accidents. At the same time, companies conducting dust explosion testing must also consider Environmental, Social, and Governance (ESG) factors to ensure the sustainability of their production activities and their sense of social responsibility.
Regulatory Requirements and the Current Situation in Taiwan
In Taiwan, occupational safety and health regulations clearly stipulate measures for preventing dust-related hazards. Article 6, Paragraph 1, Item 7 of the Occupational Safety and Health Act requires employers to provide necessary safety equipment and measures to prevent hazards caused by dust. Additionally, the Standards for Prevention of Dust Hazards outline detailed protective measures for dust operations, emphasizing the use of enclosed equipment or local exhaust systems to prevent dust dispersion.
To determine whether dust generated during equipment production is explosive, Article 184-1 of the Occupational Safety and Health Facility Regulations mandates that employers confirm the hazardous nature of substances used in operations involving dangerous materials and take necessary preventive measures. Consequently, the Advanced Fire Safety Management Plan for Existing Factories, approved by the Executive Yuan in 2022 (Year 111 in Taiwan’s calendar), highlights the importance of explosion venting, suppression, resistance, and isolation measures. The Occupational Safety and Health Administration (OSHA) under the Ministry of Labor also recommends referencing international standards such as NFPA for explosion-proof designs to align with ESG requirements.
Standards and Procedures for Dust Explosion Testing
Liansuo Building Technology provides internationally certified ISO/IEC 7025 laboratory reports on dust explosion testing to help companies ensure safe production while meeting ESG standards. The testing process adheres to several international standards:
Widely applied international standards include:
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ASTM E1226: Used to assess the combustibility and explosion parameters of dust clouds.
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EN 14034 Series: Covers measurements such as maximum explosion pressure and pressure rise rate.
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NFPA 68: A guideline for deflagration venting design.
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ISO/IEC 80079-20-2: Applicable for determining the characteristics of combustible dust.
These tests are typically conducted using standardized equipment such as a 20L spherical vessel or a 1 m3 test chamber to ensure accuracy and repeatability of results.
Application of Test Results in Explosion-Proof Design
Parameters obtained from testing—such as Minimum Ignition Energy (MIE), Maximum Explosion Pressure (Pmax), Maximum Rate of Pressure Rise ((dP/dt)max), Explosion Index (Kst), Minimum Explosive Concentration (MEC), and Minimum Ignition Temperature (MIT)—can be applied in the following areas:
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Explosion-Proof Equipment Design: Including venting devices, suppression systems, and isolation valves.
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Process Optimization: Reducing potential risks while improving production efficiency.
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Compliance with ESG Requirements: Enhancing corporate social responsibility image while ensuring sustainable development.
Conclusion
For publicly listed companies with sustainability goals or high-risk industries, conducting tests on dust combustibility and explosion parameters is not only a critical measure for ensuring safe production but also provides scientific data for explosion-proof design. This supports companies in achieving their sustainability objectives. Liansuo Building Technology’s internationally certified dust explosion testing services can help you meet these challenges effectively while ensuring corporate safety and sustainable development.
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