Density control method of gypsum-based foamed fireproof mortar

By assessing the density gradient risk, fiber network compatibility, and effectiveness of gypsum-based foamed fireproof mortar, and combining temperature rise monitoring and shape memory activation, precise control of the density of gypsum-based foamed fireproof mortar was achieved, improving the mechanical and fireproof properties of the material and establishing a closed-loop feedback mechanism for process optimization.

CN122417232APending Publication Date: 2026-07-17NINGBO JINZE NEW BUILDING MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NINGBO JINZE NEW BUILDING MATERIALS CO LTD
Filing Date
2026-04-03
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing methods for controlling the density of gypsum-based foamed fireproof mortar lack pre-identification of vertical density gradient risks and dynamic adaptation mechanisms between fibers and mortar. They fail to verify the mechanical effectiveness of the fiber network in real time, resulting in inaccurate density control and affecting the mechanical properties, thermal insulation properties, and construction performance of the material.

Method used

By performing density gradient risk assessment, fiber network adaptability assessment, fiber network effectiveness verification, temperature rise monitoring and phase change point assessment, shape memory activation assessment, and compensation effect verification, a collaborative locking mechanism for fiber networks is established to achieve density control of gypsum-based foamed fireproof mortar.

Benefits of technology

Precise control of the density of gypsum-based foamed fireproof mortar was achieved, which improved the material's compressive strength, crack resistance, and fire resistance, significantly enhanced the self-healing ability of cracks under extreme thermal environments, and established a closed-loop feedback mechanism for process optimization.

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Abstract

The application relates to the technical field of building fireproof materials, and discloses a gypsum-based foamed fireproof mortar density regulation method, which comprises the following steps: early identification of density defect risks and accurate matching of materials are realized through vertical density gradient monitoring and fiber network adaptability determination technology, the interface failure probability caused by uneven settlement is reduced, mechanical response upgrading from passive bearing to active repair is realized through adaptive compensation of temperature-sensitive shape memory fibers and double-network collaborative locking technology, the crack self-healing ability and the fireproof layer structure integrity under an extreme thermal environment are significantly improved, dynamic optimization of process parameters and batch quality tracing are realized through time sequence deviation feedback and heat treatment process correction technology, and product consistency and long-term service reliability are improved.
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