An exhaust gas filter device

By designing a sliding plug structure inside the housing, the filter bag of the exhaust gas filtration device can be replaced without shutting down the machine, solving the problem that the machine needs to be stopped to replace the filter bag in the existing technology, and improving production efficiency and filtration effect.

CN224345581UActive Publication Date: 2026-06-12HENAN ZHONGHAN ENVIRONMENTAL TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN ZHONGHAN ENVIRONMENTAL TECHNOLOGY CO LTD
Filing Date
2025-06-11
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

The existing exhaust gas filtration system requires shutdown when replacing filter bags, which affects production continuity and extends working hours.

⚗Method used

An exhaust gas filtration device was designed, comprising a housing, a partition, and a plug. By connecting the filter bag with the sliding plug, the filter bag can be replaced during normal working hours without affecting production.

🎯Benefits of technology

This allows for filter bag replacement without shutting down the machine, improving work efficiency, reducing staff working hours, and maintaining production continuity and filtration efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

An exhaust gas filtration device effectively solves the problem of needing to stop the machine to operate during maintenance and filter bag replacement. It includes a housing, with the housing divided into an air inlet chamber and a filter chamber by a partition. An air inlet pipe connecting to the air inlet chamber and an air outlet pipe connecting to the filter chamber are located outside the housing. Multiple through holes are opened on the partition, and plugs are slidably installed at the through holes. After the filter bag is inserted from the end of the housing, the plugs are pushed open, allowing communication between the air inlet chamber and the inside of the filter bag. Exhaust gas is filtered by the filter bag and discharged through the air outlet pipe. This invention has a simple and ingenious structure, is easy to use, and allows for filter bag maintenance and replacement during normal working hours without stopping the machine. Therefore, it does not extend the working hours of operators, greatly improving work efficiency and reducing workload.
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