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Product Introduction

Zhengzhou QIE Grain & Oil Machinery Co., Ltd. (QIE Group) proudly presents the Fully Automated Peanut Preprocessing Production Line, specially designed to optimize raw material quality for peanut oil manufacturing. Integrating essential stages such as washing, shelling, and crushing, this equipment enhances subsequent pressing and refining processes, ensuring superior oil quality and higher yields. Built with advanced technology and adhering to international quality standards, it supports oilseed processors of varying scales. Our production line undergoes rigorous quality inspections and complies with ISO management systems, guaranteeing stable and efficient operation. Moreover, comprehensive after-sales support, including installation guidance and operator training, empowers customers to achieve continuous, energy-efficient production—driving sustainable growth within the edible oil industry worldwide.

Advantages and features

1. Fully automated workflow from washing to crushing enhances production consistency.2. Advanced technology ensures high raw material quality and improved oil extraction rates.3. Robust construction meets international quality and safety standards.4. Suitable for various scales of oilseed processing operations.5. Comprehensive after-sales support including installation and training services.6. ISO certified manufacturing process guarantees reliable and durable equipment.7. Optimized design reduces energy consumption and operational costs.

Application Scenario

Ideal for peanut oil production plants, edible oil processors, and oilseed processing factories aiming to improve raw material preparation efficiency and oil quality. Suitable for small to large-scale processing facilities seeking stable, high-yield peanut oil production solutions.

Peanut Preprocessing Line: Advanced Technology, Equipment & Benefits


In the process of producing peanut oil, the peanut preprocessing line serves as a vital stage. It supplies premium raw peanuts, which significantly influence the pressing and refining outcomes, affecting both the oil’s quality and yield. With extensive experience in oil extraction technology, QIE GROUP offers a state-of-the-art peanut preprocessing line designed for maximum efficiency.


Process Overview


The core steps of the peanut preprocessing line include three main operations: cleaning, crushing, and controlled high-temperature steaming and roasting.



  • Cleaning: This initial stage involves removing unwanted materials such as soil, stones, and metallic contaminants using specialized equipment like high-efficiency vibrating screens, destoners, and magnetic separators, ensuring the peanuts are pure and ready for processing.



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  • Crushing: After cleaning, peanuts are uniformly crushed into standardized particle sizes to enhance pressing efficiency and facilitate further processing steps.



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  • High-Temperature Steaming and Roasting: The temperature for steaming and roasting ranges from 90 to 150°C, adjustable to suit different flavor profiles, from strong aroma to light aroma oils. This heat treatment reduces moisture, modifies peanut cell structure to improve oil release, and develops the characteristic aroma of peanut oil. Additionally, a cold-pressing option is available to preserve flavor and nutrients.



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Equipment Details


QIE GROUP’s peanut preprocessing line features an array of cutting-edge machinery carefully selected to optimize each stage of processing.



  • Cleaning Machines: Equipped with advanced vibrating screens, destoners, and magnetic separators, these machines effectively remove impurities ensuring the purity and quality of peanuts before further processing.

  • Crushing Equipment: Professional-grade crushers produce uniformly sized peanut particles, creating ideal conditions for efficient pressing and oil extraction.

  • Steaming and Roasting Machines: The core equipment for heat treatment allows precise temperature control tailored to specific product requirements, guaranteeing consistent steaming and roasting results.


Key Advantages


QIE GROUP’s peanut preprocessing line offers multiple benefits that enhance operational efficiency and product quality.



  • Exceptional Flexibility: Adjustable steaming and roasting temperatures accommodate varied flavor profiles, enabling production of both strong-and light-aroma peanut oils, along with cold pressing capability for premium nutritional preservation.

  • Superior Product Quality: By precisely managing processing conditions and using advanced equipment, the system optimizes peanut cell breakdown, releasing oil efficiently and improving the aroma and purity of the final peanut oil.

  • Cost Efficiency: Energy-saving design and accurate temperature regulation minimize waste and reduce production costs, increasing overall profitability while maintaining high product standards.


For more information or professional consultation about QIE GROUP’s peanut preprocessing line, please contact us directly.