Automatic exhaust system and method suitable for ship oil-water replacement cabin

By designing an automatic exhaust system in the oil-water replacement system, using a medium sensor and an electric butterfly valve to control air discharge, combined with a float ball exhaust valve and an overflow observation mirror, the problem of air residue in the closed oil-water replacement system is solved, and the safety and stability of the system are improved.

CN119659840AActive Publication Date: 2025-03-21RES INST 708 OF CHINA STATE SHIPBUILDING CORP
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Patent Information

Application Number
CN202411692137.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-03-21
Estimated Expiration
2044-11-25

AI Technical Summary

Technical Problem

The existing closed oil-water replacement system is prone to air residues during the exhaust process, resulting in safety hazards such as explosion chambers and oil-gas mixing. The sensor cannot accurately measure the liquid level, resulting in the inability to completely vent the air.

Method used

An automatic exhaust system is designed to detect the type of medium in the air permeable tube through a medium sensor, control the switch of the electric butterfly valve, and combine the float exhaust valve and the overflow observation mirror to ensure that the air is completely discharged, and manually close the valve member through the overflow observation mirror when the sensor fails.

Benefits of technology

It effectively reduces air residues on the top of the replacement compartment, improves the safety and stability of the system, and ensures the safety and reliability of the oil-water replacement process.

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Abstract

The invention belongs to the field of ships, and discloses an automatic exhaust system suitable for an oil-water replacement cabin of a ship, comprising a medium sensor used for detecting the type of a medium discharged from a cabin body; the control box is electrically connected with the medium sensor and is used for receiving and processing a medium type signal output by the medium sensor; the electric valve is used for controlling on-off of a medium discharged from the cabin body; and the control box controls the on-off of the electric valve according to a signal transmitted by the medium sensor. The closing time of the electric valve is accurately controlled through the medium sensor, and then air residues on the top of the replacement cabin are reduced.
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