Improved device for testing gas permeability of building material by constant pressure method and testing method

CN120948321APending Publication Date: 2025-11-14SUZHOU TONGCUI CARBON NEUTRALITY TECH CO LTD +1
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Patent Information

Application Number
CN202511131989.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-13
Publication Date
2025-11-14

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Abstract

The invention discloses an improved device and method for testing gas permeability of a building material through a constant pressure method.The device for testing the gas permeability of the building material through the constant pressure method comprises a mineralization cavity, a testing cavity, a top cover, a gas cylinder and a detection system.The mineralization cavity is fixed to the upper portion of the testing cavity in a sealed mode and communicates with the testing cavity, and the top cover is fixed to the testing cavity; the top cover hermetically covers the mineralization cavity, the gas cylinder is used for introducing gas containing carbon dioxide for mineralization reaction and introducing test gas for gas permeability detection, and the detection system is connected with the test cavity.
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