Building Complete Oil Processing Solutions with Solvent Extraction Equipment

27 09,2026
Qi'e Grain and Oil Machinery Co., Ltd.
Concept Explanation
Qi'e Grain and Oil Machinery Co., Ltd. explains how solvent extraction equipment integrates with oil pressing, refining and complete oil processing lines for efficient, reliable and environmentally responsible production.
Oil solvent extraction equipment integrated into a complete grain and oil processing production line

Complete Oil Processing Solutions

Building Complete Oil Processing Solutions with Solvent Extraction Equipment

Qi'e Grain and Oil Machinery Co., Ltd. provides customized oil solvent extraction equipment and integrated oil processing solutions for edible oil producers. The systems can be connected with raw material preparation, pressing, solvent extraction, solvent recovery, refining and other production stages to support continuous, organized processing for large-scale projects.

Oil solvent extraction equipment integrated into a complete grain and oil processing production line

What Is an Oil Solvent Extraction System?

Oil solvent extraction is a plant oil processing method that uses solvent contact and mass transfer to recover oil from prepared oil-bearing materials. During operation, the solvent wets the material, penetrates its structure and dissolves the oil. The resulting mixture is then separated and processed through solvent recovery and downstream refining stages.

Qi'e designs solvent extraction plants for raw materials such as soybean, sunflower seed and cottonseed. The equipment can be incorporated into a complete oil production line according to the raw material, required capacity, process configuration and project conditions.

Capacity for Different Production Scales

The oil solvent extraction solutions supplied by Qi'e are designed for processing capacities from 30 tons per day to 5,000 tons per day. This range allows the process configuration to be considered for different production requirements, from medium-scale facilities to large industrial oil processing projects.

Item Available scope
Processing capacity Approximately 30–5,000 tons per day
Typical raw materials Soybean, sunflower seed, cottonseed and other oil-bearing materials
Project configuration Customized according to material, capacity and required processing stages

How the Complete Oil Processing Line Works

01

Preparation

Raw materials are prepared for subsequent processing through the selected cleaning and conditioning stages.

02

Pressing

Mechanical pressing can be integrated before solvent extraction when the project process requires combined oil recovery.

03

Solvent Extraction

Solvent contact, penetration, molecular diffusion and convective mass transfer support the extraction of oil from prepared materials.

04

Recovery and Refining

Solvent recovery and edible oil refining stages help prepare the extracted oil for the next production requirements.

Key Features of Qi'e Solvent Extraction Equipment

  • Wide processing rangeSolutions can be planned for capacities from 30 to 5,000 tons per day, supporting different project scales.
  • Efficient extraction principleThe process uses wetting, penetration, molecular diffusion and convective diffusion to support oil recovery from oil-bearing materials.
  • Integrated DTDC systemThe desolventizer-toaster, dryer and cooler system supports the removal of solvent from the wet meal during toasting, drying and cooling.
  • Solvent recoveryCondensation and recovery sections are used to recover evaporated n-hexane, helping reduce solvent loss, energy consumption and operating costs.
  • Environmental controlThe plant design considers gas emission management and process control to help reduce the environmental impact of operation.
  • Complete line integrationExtraction equipment can be coordinated with oil pressing, edible oil refining and other required production units.

Designed for Complete Oil Production Solutions

A solvent extraction unit is only one part of an industrial oil processing project. Qi'e evaluates the relationship between raw material preparation, pressing, extraction, solvent recovery and refining to help create a coordinated production line rather than an isolated machine purchase.

Raw material preparation → Oil pressing → Solvent extraction → Solvent recovery → Edible oil refining

Support for International Oil Processing Projects

Qi'e Grain and Oil Machinery Co., Ltd. serves B2B customers in Asia, Africa and South America. The company provides oil processing machinery as well as project-oriented support covering equipment selection, line design, installation and technical service.

With a focus on technological innovation, product quality and service, Qi'e works with customers and partners to develop practical oil production solutions based on their raw materials, target capacity and processing objectives.

For a suitable oil solvent extraction solution, project planning should consider raw material characteristics, required throughput, the connection between pressing and extraction, solvent recovery, refining requirements and environmental control. Qi'e can provide a customized configuration for complete oil processing projects within the applicable capacity range.

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