Spiral oil press is a common oil processing equipment, and its oil yield directly affects production efficiency and economic benefits. However, the oil yield is not fixed, and it is affected by many factors. The following analyzes these factors from several key aspects.

1. Quality of raw materials. 

Raw materials are the basic factors that determine the oil yield. The oil content of different oil crops is quite different, such as peanuts, soybeans, rapeseed and other raw materials. In addition, the freshness and purity of raw materials will also affect the oil yield. Moldy, wet or impurity-doped raw materials will lead to a decrease in oil yield. Therefore, in the production process, selecting high-quality and pure raw materials is the first step to improve the oil yield.

2. Pretreatment process. 

It is very important to pretreat raw materials properly before oil extraction. Pretreatment process includes cleaning, crushing and cooking. These processes can effectively improve the physical properties of raw materials and make them more suitable for oil extraction. For example, cooking can change the cell structure of oilseeds, improve the fluidity of oil, and thus improve the oil yield. If the pretreatment is not in place, the oil in the raw material may not be fully released.

3. Equipment process design. 

The technological design of spiral oil press directly determines the squeezing efficiency and oil output effect of the equipment. Factors such as the design of the screw shaft of the equipment, the structure of the press chamber and the control of the press temperature will affect the oil yield. Modern spiral oil press usually adopts optimized design, which can squeeze oil in raw materials more efficiently. Therefore, the selection of advanced and reliable equipment is an important guarantee to improve the oil yield.

4. Adjustment of rotating speed. 

The rotating speed of the spiral oil press also has an important influence on the oil yield. If the rotating speed is too fast, the raw materials may not be fully squeezed, resulting in some grease remaining in the cake; If the rotation speed is too slow, the production efficiency may be reduced. Therefore, in actual operation, it is necessary to adjust the rotating speed reasonably according to the characteristics of raw materials and equipment parameters to achieve the best oil output effect.

To sum up, the oil yield of spiral oil press is influenced by many factors, such as raw material quality, pretreatment process, equipment process design and rotation speed. In actual production, these factors should be considered comprehensively, and the oil production rate should be continuously improved by optimizing the operation process and equipment selection, so as to achieve higher economic benefits.