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Must-See for Small and Medium-Sized Oil Mills: Regular Maintenance List and Energy Consumption Monitoring Methods for Oil Presses
2025-11-01
QI ' E Group
Industry Experience
How can small and medium-sized oil mills operate fully automatic multi-functional oil presses efficiently? This article details the equipment operation process and regular maintenance list, covering the setting of pressing parameters, filtration monitoring, inspection of key components, and energy consumption optimization methods. It helps you reduce the failure rate, extend the service life of the equipment, and improve the oil output rate and oil quality. Combining industry practical experience, it provides a practical maintenance guide to assist enterprises in stable production and energy conservation.
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As a manager or operator of a small to medium-sized oil production plant, you understand the critical role that your oil press plays in the overall production process. A well-maintained and efficiently operated oil press can significantly reduce production costs, improve oil quality, and increase overall productivity. In this article, we'll provide you with a comprehensive guide to operating and maintaining your automatic multi-functional oil press, focusing on the entire process from startup preparation to post-shutdown procedures.

Startup Preparation

Before starting the oil press, it's essential to conduct a thorough inspection to ensure everything is in proper working condition. Here are the key steps:

  • Check the Power Supply: Ensure that the power supply voltage matches the requirements of the oil press. A voltage fluctuation of more than ±5% can cause damage to the electrical components.
  • Inspect the Lubrication System: Check the oil level in the lubrication system. The oil level should be between the minimum and maximum marks on the oil gauge. Low oil levels can lead to increased friction and wear on moving parts.
  • Examine the Feeding Hopper: Make sure the feeding hopper is clean and free of any debris. Any foreign objects in the hopper can damage the screw conveyor or the pressing chamber.
  • Set the Pressing Parameters: Adjust the pressing parameters according to the type of oilseed being processed. For example, the pressing temperature for soybeans is typically around 100 - 110°C, while for peanuts, it's around 110 - 120°C.
Startup preparation steps for the oil press

Operation Process

Once the startup preparation is complete, you can start the oil press. During the operation, it's crucial to monitor the key indicators to ensure the smooth running of the equipment.

Feeding and Pressing

Gradually feed the oilseeds into the hopper at a uniform rate. Avoid overfeeding, as it can cause blockages in the pressing chamber. Monitor the pressing pressure and temperature. The pressure should be maintained within the recommended range to ensure efficient oil extraction.

Filtration and Monitoring

Regularly check the filtration system to ensure that the oil is being filtered effectively. A clogged filter can lead to a decrease in oil quality. Monitor the flow rate of the oil and the temperature of the filtered oil. The temperature of the filtered oil should be below 60°C to prevent oxidation.

Key Component Inspection

Periodically inspect the key components of the oil press, such as the screw conveyor, the pressing chamber, and the motor. Look for signs of wear and tear, such as cracks, deformation, or excessive vibration. Replace any worn-out parts immediately to prevent further damage.

Common Problem Troubleshooting

Oil Quality Degradation: If the oil quality decreases, check the filtration system for blockages. Also, ensure that the pressing temperature and pressure are within the recommended range. A high pressing temperature can cause the oil to oxidize and degrade.

Motor Overheating: If the motor overheats, check the ventilation system to ensure that it's working properly. Also, check the motor's load. An overloaded motor can cause overheating. Reduce the feeding rate if necessary.

Fluctuation in Oil Yield: If the oil yield fluctuates, check the moisture content of the oilseeds. The moisture content should be within the recommended range for optimal oil extraction. Also, check the pressing parameters, such as the pressure and temperature.

Shutdown Procedures

After the oil extraction process is complete, follow these steps to shut down the oil press safely:

  • Stop Feeding: Stop feeding the oilseeds into the hopper and let the remaining oilseeds in the pressing chamber be processed.
  • Reduce the Pressure: Gradually reduce the pressing pressure to zero.
  • Turn off the Power: After the pressing chamber is empty, turn off the power supply to the oil press.
  • Clean the Equipment: Clean the feeding hopper, the pressing chamber, and the filtration system to remove any residual oilseeds and oil. A clean oil press can prevent the growth of bacteria and mold, which can affect the oil quality.
Shutdown procedures for the oil press

Regular Maintenance

Regular maintenance is the key to ensuring the long-term performance and reliability of your oil press. Here is a maintenance cycle table:

Maintenance Item Frequency Details
Cleaning Daily Clean the feeding hopper, pressing chamber, and filtration system to remove residual oilseeds and oil.
Lubrication Weekly Check and refill the lubricating oil in the lubrication system.
Wear Part Replacement Monthly Inspect and replace worn-out parts such as the screw conveyor and the pressing chamber liner.
Electrical System Inspection Quarterly Check the electrical connections, insulation resistance, and the functionality of the control panel.

Energy Consumption Monitoring

Monitoring the energy consumption of the oil press can help you identify energy-saving opportunities. Here are some tips:

  • Record the Energy Consumption Data: Keep a record of the daily energy consumption of the oil press. Analyze the data to identify any abnormal energy consumption patterns.
  • Optimize the Pressing Process: Adjust the pressing parameters to reduce energy consumption. For example, using a lower pressing temperature can reduce the energy required for heating.
  • Use Energy-Efficient Equipment: Consider upgrading to an energy-efficient oil press. The Penguin Group's oil presses are designed with low-energy consumption in mind, using advanced technology to reduce power consumption by up to 20% compared to traditional models.
Energy consumption monitoring for the oil press

Engage with Us!

Do you have any questions about operating or maintaining your oil press? Leave your questions in the comments section below, and our experts will provide you with answers.

If you're interested in learning more about the Penguin Group's high-quality, energy-efficient oil presses, click here to explore our product range.

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