The Mitsubishi Selfjector Purifier is one of the most commonly used centrifugal separators on ships for cleaning fuel oil and lubricating oil. By removing water, sludge and solid contaminants, it ensures that clean oil reaches the engine improving performance and reducing wear on critical components. The purifier operates automatically making it reliable for continuous marine operations when handled correctly.
The Mitsubishi Selfjector Purifier is a high speed centrifugal separator with an in built automatic sludge discharge system.
The main application of this purifier is removing water and unwanted sediments from heavy fuel oil, marine diesel oil as well as the cleaning of lubricating oils and water removal.
This type of purifier is widely applied because of its high speed operation and the ability to automate the discharge of unwanted materials.
The machine comprises a number of significant parts including:
Before starting the purifier ensure the following:
Once these checks have been completed, the machine can then be started. If any of the above tests fail, it is essential to address the problem before operating the equipment to avoid serious faults.
Follow these basic steps for safe operation:
The purifier should always reach its rated speed before oil is introduced.
While the purifier is running continuously monitor:
If any abnormal vibrations or strange sounds occur, it is essential to stop the machine and determine the cause of the problem. This will help prevent more expensive repairs later.
When shutting down the purifier:
Never attempt to open the bowl while it is still rotating.
Regular maintenance ensures reliable operation and extends the life of the purifier.
Important maintenance tasks include:
Following the maintenance schedule provided in the instruction manual helps avoid unexpected failures.
Common Operational Problems
Problem | Possible Cause |
| Dirty bowl, worn bearings, improper assembly |
| Incorrect temperature or flow rate |
| Damaged seals or loose connections |
| Insufficient operating water or blocked passages |
| Bowl imbalance or excessive sludge accumulation |
Always follow these important safety practices:
The Mitsubishi Selfjector Purifier is a crucial component in any ship’s engine room. It has an automatic sludge discharge system, making it suitable for continuous operation on a ship. The machine has the ability to clean oil efficiently thereby ensuring that the ship’s engine runs efficiently. Carrying out the pre start checks, operating the machine correctly, monitoring its performance and carrying out regular maintenance are some of the critical factors that engineers must consider during operations.
The Mitsubishi Selfjector Purifier removes water, sludge and solid impurities from fuel or lubricating oil. This ensures cleaner oil reaches the engine, improving efficiency and reducing wear on components.
Oil is heated to reduce its viscosity, allowing water and solid particles to separate more effectively. Proper heating improves the purifier’s overall performance.
Its main advantage is the automatic sludge discharge system. The purifier removes accumulated sludge at regular intervals without stopping, ensuring continuous and efficient operation.
Common signs include excessive vibration, unusual noise, poor oil purification, oil leakage and failure of automatic sludge discharge. These issues should be checked immediately.
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