Home > News > Why are Small and Medium-sized Oil Mills Phasing Out Batch Pressing? How Does the Continuous Pressing Line with Filtration Increase Oil Yield to Over 95%?

Why are Small and Medium-sized Oil Mills Phasing Out Batch Pressing? How Does the Continuous Pressing Line with Filtration Increase Oil Yield to Over 95%?

QI ' E Group
2025-11-14
Industry Research
As small and medium-sized oil mills face challenges such as low efficiency, impure oil quality, and complex operations in traditional batch pressing processes, more and more enterprises are adopting continuous pressing production lines with automatic filtration functions. This article delves into the technical advantages of this continuous filtration system, explaining how it synchronously filters residual oil from soybean dregs to increase the comprehensive oil yield to over 95% and improve the quality of crude oil, thereby reducing the burden of subsequent refining. It also explores how the intelligent control system ensures production stability, simplifies the operation process, and helps small and medium-sized oil mills quickly achieve standardized and large-scale production. By combining industry trends with real - world cases, this article aims to help enterprises understand and seize industry transformation opportunities, promoting the upgrade of green and efficient soybean oil processing.
Continuous pressing production line with automatic filtration function

Why Are Small and Medium-Scale Oil Mills Phasing Out Batch Pressing?

In the realm of soybean oil production, small and medium-scale oil mills have long grappled with the inefficiencies of traditional batch pressing processes. These methods are plagued by low productivity, impure oil quality, and complex operation procedures. As a result, an increasing number of enterprises are turning to continuous pressing production lines with automatic filtration functions.

Continuous pressing production line with automatic filtration function

Limitations of Traditional Batch Pressing

Traditional batch pressing has several significant drawbacks. In terms of production efficiency, it is relatively slow. For example, a batch pressing process might take several hours to complete a single cycle, while a continuous pressing line can operate non - stop, significantly increasing the daily output. Regarding oil purity, batch pressing often leaves a large amount of residue in the oil, which requires extensive refining processes later. Moreover, the operation of batch pressing is complex, requiring skilled workers to monitor and adjust various parameters at different stages.

Technical Advantages of the Continuous Filtration System

The continuous pressing production line with a filtration system offers remarkable improvements. By synchronously filtering the residual oil in the soybean dregs, it can boost the comprehensive oil extraction rate to over 95%. This is a substantial increase compared to the approximately 80 - 85% extraction rate of traditional batch pressing methods. Additionally, this system can improve the quality of crude oil, reducing the burden of subsequent refining processes.

Technical principle of the automatic filtration system

The technical principle of the automatic filtration system is based on a combination of physical and mechanical processes. It uses advanced filtration materials and precise control mechanisms to separate the oil from the dregs effectively. Real - world cases have shown that oil mills adopting this system have not only increased their oil output but also improved the overall quality of their products.

Intelligent Control System for Stable Production

Another highlight of these modern production lines is the intelligent control system. This system can ensure production stability by automatically adjusting various parameters such as temperature, pressure, and flow rate. It also has functions like automatic alarm and parameter memory, which simplifies the operation process. Even workers with limited experience can quickly master the operation of the production line, reducing the labor cost and human - error rate.

Features Traditional Batch Pressing Continuous Pressing with Filtration
Oil Extraction Rate 80 - 85% Over 95%
Operation Complexity High Low
Oil Purity Low High

QIE Group: A Reliable Partner

QIE Group is at the forefront of this technological revolution. With over 20 years of experience in the international market, the company has developed advanced equipment and technologies for oil processing. Their continuous pressing production lines with filtration systems are trusted by customers worldwide. The company's technical strength ensures the high - quality performance of the equipment, and its comprehensive after - sales service provides long - term support for oil mills.

QIE Group continuous pressing production line

If you are a small or medium - scale oil mill looking to upgrade your production process, now is the time to embrace this industry transformation. Don't miss out on the opportunity to improve your production efficiency, oil quality, and overall competitiveness. Click here to learn more about QIE Group continuous pressing production lines with filtration systems and take the first step towards a more profitable and sustainable future.

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