Choosing the appropriate lubricating oil in a low-temperature environment is crucial for ensuring the normal operation of organic fertilizer equipment. The following are the key factors and suggestions to consider when choosing low-temperature lubricating oil:

1. Select the appropriate type of lubricating oil: Synthetic lubricating oil has better low-temperature performance and can maintain good fluidity at extremely low temperatures. Fully synthetic lubricating oil has a relatively small change in viscosity at low temperatures, which can better protect equipment.

2. Pay attention to the key performance indicators of lubricating oil: At low temperatures, the viscosity of lubricating oil will increase, affecting its fluidity. Choose lubricating oil that can ensure good fluidity even at low temperatures.

3. Consider the additives in the lubricating oil: At low temperatures, the protective performance of the lubricating oil is particularly important. Choosing lubricating oil containing anti-wear additives can reduce the wear of equipment when it starts at low temperatures.

4. Select the appropriate lubricating oil brand and products: Choose well-known brands and high-quality lubricating oil products, which usually undergo strict quality control and performance testing. Select the appropriate lubricating oil specification according to the recommendation of the equipment manufacturer to ensure the compatibility of the lubricating oil with the equipment.

5. Regularly inspect and replace the lubricating oil: Regularly check the condition of the lubricating oil, including its color, viscosity and cleanliness, to promptly identify potential problems. According to the usage of the equipment and the performance of the lubricating oil, the lubricating oil should be replaced regularly to ensure the normal operation of the organic fertilizer production line.

Through the above measures, it can be ensured that the appropriate lubricating oil is selected in low-temperature environments, thereby protecting the equipment, improving operational efficiency and reducing maintenance costs.