An oil separation tank overflow control device

By automatically switching between a dual-layer liquid level sensor and a dual-pump system, combined with a flushing device and an optimized drainage ditch structure, the problem of sewage overflow caused by pump blockage or failure in traditional grease traps has been solved. This has enabled intelligent water level control and overflow protection, improving the reliability and operating efficiency of the equipment.

CN224298959UActive Publication Date: 2026-05-29YANGTSE RIVER SANXIA IND CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGTSE RIVER SANXIA IND CO LTD
Filing Date
2025-04-25
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Traditional grease traps are prone to pump blockage and level sensor failure when faced with large amounts of wastewater discharge, leading to sewage overflow and maintenance difficulties. Existing technologies have failed to effectively solve the overflow control problem.

Method used

The system employs a dual-layer liquid level sensor and a dual-pump system, combined with a main control unit to achieve automatic switching. It also features a flushing device, optimized drainage ditch structure, and a remote monitoring system to ensure water level control and equipment cleanliness.

Benefits of technology

It enables automatic switching in case of pump failure or blockage, ensuring that sewage does not overflow, improving equipment reliability and operating efficiency, reducing maintenance costs, and is suitable for different media and working conditions.

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Abstract

The utility model relates to the field of oil separation tank overflow protection, specifically discloses an oil separation tank overflow control equipment. The equipment aims at solving the sewage overflow problem caused by the blockage or failure of self-priming pump of oil separation tank. The utility model sets up first water pump and second water pump, and starts through first liquid level sensor and second liquid level sensor respectively, ensures that second water pump can work in time when first water pump fails, designs the flush frame, is equipped with the shower nozzle and control valve, regularly flushes the sensor, avoids the oil dirt stickiness, sets up U type filter screen and drainage ditch filter basket in kitchen drainage ditch, and detachable fixed frame and filter plate, effectively insulates garbage from entering oil separation tank, reduces the risk of blockage. The utility model discloses the setting of second water pump, the flush device of sensor and the filter screen design of optimization, realizes the efficient stable operation of oil separation tank, avoids the occurrence of overflow problem, improves the reliability and safety of kitchen wastewater treatment.
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