Experimental study of thermal stability and spread characteristics of gel-protein foam for liquid tank fires

Tian, Chang; Zhao, Jinlong; Li, Xinjiang; Chen, Cheng; Zhang, Jianping; Huang, Hong

doi:10.1016/j.energy.2024.130792

Energy

2024

DOI: 10.1016/j.energy.2024.130792

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Experimental study of thermal stability and spread characteristics of gel-protein foam for liquid tank fires

Chang Tian,

Jinlong Zhao,

Xinjiang Li

et al.

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2024

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Cited by 3 publications

References 43 publications

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Flame spreading and burning of high- and low-flash point fuels under compressed air foam suppression

Tian,

Fang,

Tao

et al. 2024

Case Studies in Thermal Engineering

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Flame spreading and burning of high- and low-flash point fuels under compressed air foam suppression

Tian,

Fang,

Tao

et al. 2024

Case Studies in Thermal Engineering

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Development and Characterization of Thermal Protection Gels for Steel Pipelines Transporting Combustible Materials

Li,

Gong,

Shen

et al. 2024

Fire

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Due to low costs, pipelines are commonly used for transporting hazardous substances such as combustible liquids and gasses. Currently, chemical industrial parks and gas production stations have dense pipeline networks. In the case of a pipeline leakage and subsequent fire accident, the adjacent pipelines could be directly impinged by the flame or engulfed in hot smoke, with the potential to result in a chain of accidents and catastrophic consequences. It is thus of practical importance to develop an efficient thermal protection material for pipelines. In this study, a new type of bio-based gel material was prepared for pipeline thermal protection, using guar gum (GG) as the gelling agent, sodium tetraborate (B) as the crosslinking agent and magnesium chloride (MgCl2) as the fire retardant. Firstly, orthogonal experiments were conducted to examine the gelling time of the gel and determine the optimal formulations that meet the protection requirements. Subsequently, water retention, thermal stability and the microstructure of these formulations were analyzed. Finally, the thermal protection performance of the gel formulations was evaluated under the direct impingement of flames or high-temperature smoke. The results indicated that the best performance was achieved by the formulation with GG, B and MgCl2 mass fractions of 2.5, 0.6 and 0.5 wt%, respectively. This formulation also exhibited the best water retention capacity and thermal stability. In the pipeline thermal protection experiments, this formulation achieved effective protection times of 216 s (for a 90 mm diameter) and 312 s (for a 120 mm diameter) for the lower part of the pipeline under direct flame impingement. Under high-temperature smoke impingement, this formulation also showed excellent performance. These research and findings can provide an important foundation for the further development of thermal protection materials for pipelines under fire conditions.

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Hydrogel Extinguishants

Li,

Wang,

Liu

et al. 2024

Nanomaterials

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The exploitation of clean and efficient fire extinguishing materials has substantial implications for improving disaster prevention, mitigation, and relief capabilities, maintaining public safety, and protecting people’s lives and property as well as the natural environment. Natural polymer hydrogel with high water containment, excellent film formation, high heat insulation, ecofriendliness, and degradability has huge potential in achieving new breakthroughs for developing clean and efficient fire extinguishing materials and products. In recent years, the exploitation of hydrogel extinguishing materials and the fabrication of products has attracted great attention, gradually replacing traditional fire extinguishing products. In this perspective, an in-depth review of the evolution of hydrogels applied for fire extinguishing and prevention is presented. Firstly, the extinguishing principles of hydrogel extinguishants are explained. Secondly, the preparation strategies and evaluation system of the hydrogel extinguishants are emphatically discussed. Although great progress has been made in developing high-performance hydrogel extinguishants, it remains challenging to develop cost-effective, degradable, and easy-to-use hydrogel extinguishants. Additionally, we highlight the importance of considering the commercial aspects of hydrogel extinguishants. Looking into the future, hydrogel extinguishants are promising, but continued investment in research and development is necessary to overcome the challenges.

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Experimental study of thermal stability and spread characteristics of gel-protein foam for liquid tank fires

Cited by 3 publications

References 43 publications

Flame spreading and burning of high- and low-flash point fuels under compressed air foam suppression

Flame spreading and burning of high- and low-flash point fuels under compressed air foam suppression

Development and Characterization of Thermal Protection Gels for Steel Pipelines Transporting Combustible Materials

Hydrogel Extinguishants

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