Radiation protection gas fire extinguishing pressure relief structure

CN224284860UActive Publication Date: 2026-05-26CHINA IPPR INT ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA IPPR INT ENG CO LTD
Filing Date
2025-04-29
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing fire vents cannot effectively prevent the leakage of ionizing radiation such as X-rays from CT and DR imaging examination rooms, leading to health risks.

Method used

A radiation protection gas fire extinguishing and pressure relief structure was designed, including an inclined duct and a pressure relief device. The duct's angled maze effect intercepts radiation, and ventilation windows and lead aprons are installed inside and outside the protected area to prevent radiation leakage. The pressure relief device opens to release pressure when the pressure exceeds a preset value.

Benefits of technology

It effectively blocks ionizing radiation leakage, ensuring the safety of the protected area, while also having a normal pressure relief function, and is aesthetically pleasing and easy to maintain.

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Abstract

This utility model relates to the technical field of pressure relief devices. It provides a pressure relief structure for radiation-protective gas fire extinguishing, used for pressure relief from inside to outside the protected area. The structure includes: a duct, comprising at least a first pipe and a second pipe, the end of the first pipe connecting to the inside of the protected area; a second pipe connected obliquely to the first pipe, forming an angle at the connection point; and the end of the second pipe away from the first pipe passing through a wall; and a pressure relief device located at the end of the second pipe away from the first pipe, the device opening when the pressure inside the protected area exceeds a preset value, thus connecting the inside and outside of the protected area. This radiation-protective gas fire extinguishing pressure relief structure aims to solve the problem that traditional pressure relief devices cannot effectively block ionizing radiation leakage.
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