A sewage well reconstruction structure

By using a combination of prefabricated filling modules and waterproof membranes in sewage wells, the problem of insufficient waterproofing capacity of sewage wells was solved, achieving efficient and economical renovation results and reducing the risk of leakage and environmental pollution.

CN224363423UActive Publication Date: 2026-06-16ZHEJIANG YONGDA ELECTRIC POWER IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG YONGDA ELECTRIC POWER IND CO LTD
Filing Date
2025-07-21
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

The existing concrete structures of sewage wells have limited waterproofing capabilities and are easily corroded by sewage, leading to leakage and environmental pollution. Furthermore, the renovation of old wells is costly and suffers from serious leakage problems.

Method used

The system employs prefabricated bottom filling modules and sidewall filling modules, combined with CPS waterproof membrane and expansion bolts for fixing, forming a sealed structure. The new wellbore is equipped with a waterproof membrane and water pipe holes, and a pumping hole is used for detection and leakage prevention.

Benefits of technology

It improves the waterproof sealing of sewage wells, reduces the risk of leakage, lowers renovation costs and maintenance frequency, extends service life, and reduces environmental pollution.

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    Figure CN224363423U_ABST
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Abstract

The utility model relates to the technical field of municipal works, especially a sewage well reconstruction structure, including building body and the old well way that has been set up from the upper surface of building body and extends down in building body, the old well way inner bottom is paved with prefabricated bottom filling module, the old well way side is paved with prefabricated sidewall filling module and supports in prefabricated bottom filling module top, prefabricated bottom filling module and prefabricated sidewall filling module enclose and form new well way, prefabricated sidewall filling module top is set up with new water pipe hole and new well way intercommunication, prefabricated bottom filling module upper surface place is pasted with bottom waterproof film, prefabricated sidewall filling module inner wall surface place is pasted with sidewall waterproof film, and the outer periphery between bottom waterproof film is sealedly connected between sidewall waterproof film bottom, and the waterproof sealing is better and economic.
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Citation Information

Patent Citations

  • Assembled sewage well

    CN216475454U