Guidelines for the safety use of CO2 foaming technology in the production of XPS foam industry in China

doi:10.19491/j.issn.1001-9278.2022.09.021

Abstract

Abstract:

The production process of extruded polystyrene foam （XPS） prepared by carbon dioxide（CO₂） foaming technology was briefly introduced. Through the analysis of safety production， the hidden dangers of the foaming agent storage area and the high⁃pressure pump room were described in detail， and the possible release position and release probability of the flammable foaming agent in the process were indicated. The safety measures for the foaming agent storage area， the high⁃pressure pump room and the production workshop were given， mainly involving the detection and alarm system of flammable gas， the ventilation system， the fire protection system and anti⁃static system.

Key words: extruded polystyrene foam, carbon dioxide, flammable foaming agent, producction technology, safety production

CLC Number:

TQ320.8

LI Juan, LI Ying, GUO Xiaolin, ZHANG Chen. Guidelines for the safety use of CO₂ foaming technology in the production of XPS foam industry in China[J]. China Plastics, 2022, 36(9): 160-166.

Figures/Tables 8

Fig.1. CO2 mixed ethanol foaming technology in China’s XPS foam sector

Fig.2. The storage tank for carbon dioxide

Fig.3. Requirement for ethanol tanks

Fig.4. Requirement for pump houses

Fig.5. Installation layout for local exhaust hoods

Fig.6. Ventilation system

Fig.7. The installation layout of the detectors

Fig.8. Static elimination device

References 8

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Guidelines for the safety use of CO₂ foaming technology in the production of XPS foam industry in China

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