A Complete Insight into Peanuts Machine Dry Way: Standards, Performance, and Practical Applications

Types of Peanut Processing Machines (Dry Method)

The dry method of peanut processing is a widely used technique in both small-scale and commercial operations due to its efficiency, lower energy consumption, and preservation of peanut quality. Unlike wet processing, the dry method avoids moisture addition, making it ideal for environments where humidity control is critical. This guide explores the key machines involved in dry peanut processing, their functions, benefits, and applications.

Dry Peanuts Shelling Machine

Designed specifically for unmoistened peanuts, this machine efficiently separates the kernel from the shell using mechanical rollers and air separation systems.

Advantages

• High shelling efficiency (up to 98%)
• Minimal kernel damage when properly calibrated
• Low moisture impact preserves shelf life
• Ideal for large-scale commercial operations

Limitations

• Requires consistent peanut size for optimal performance
• May need pre-cleaning to avoid clogging
• Higher initial investment for automated models

Best for: Commercial peanut processors, export-grade kernel production, food manufacturing units

Peanut Cleaning Machine

Removes dust, stones, broken shells, and damaged peanuts using vibrating screens and precision air blowers to sort by weight and size.

Advantages

• Improves overall product quality and safety
• Reduces contamination in downstream processes
• Increases efficiency of shelling and roasting
• Can handle high volumes continuously

Limitations

• Requires regular maintenance of screens and fans
• May not remove all organic debris without pre-washing (though not typical in dry method)
• Needs proper calibration for different peanut varieties

Best for: Pre-processing stage, quality control, preparation for roasting or butter production

Peanut Roasting Machine

Uses controlled heat (gas or electric) to roast peanuts evenly, enhancing flavor, aroma, and shelf stability without adding moisture.

Advantages

• Precise temperature control ensures uniform roasting
• Enhances natural peanut flavor and crunch
• Improves oil stability and extends shelf life
• Available in batch or continuous models for scalability

Limitations

• Energy-intensive process
• Over-roasting can lead to bitterness
• Requires cooling phase post-roasting before further processing

Best for: Snack food production, peanut butter manufacturing, gourmet peanut products

Peanut Butter Making Machine

Grinds roasted peanuts into smooth or crunchy butter using high-speed rotating blades or stone grinders, depending on desired texture.

Advantages

• Produces consistent texture and quality
• Capable of large-volume production
• Some models allow oil separation control
• Suitable for organic and additive-free peanut butter

Limitations

• Generates heat during grinding, requiring cooling in some cases
• High maintenance due to sticky residue buildup
• Not suitable for raw (unroasted) peanuts without modification

Best for: Food processing plants, artisanal peanut butter brands, wholesale distributors

Machine Type	Primary Function	Output Quality	Scalability	Key Applications
Dry Peanuts Shelling Machine	Kernel-shell separation	High (minimal breakage)	High (automated models)	Commercial shelling, export, food manufacturing
Peanut Cleaning Machine	Debris and impurity removal	Excellent (clean, uniform batch)	High	Pre-processing, quality assurance
Peanut Roasting Machine	Flavor enhancement via heat	Superior (consistent roast)	Medium to High	Snacks, peanut butter base, retail packaging
Peanut Butter Making Machine	Grinding into paste	Customizable (smooth/crunchy)	High (industrial models)	Food production, private labeling, bulk sales

Expert Tip: For optimal results in dry processing, always sequence your machines properly: Cleaning → Shelling → Roasting → Butter Production. This ensures maximum efficiency, reduces wear on equipment, and maintains the highest product quality throughout the process.

Commercial Uses of a Peanuts Machine (Dry Processing Method)

The dry processing method using peanut drying machines plays a pivotal role in transforming raw peanuts into high-quality, market-ready products across various industries. By removing excess moisture efficiently, these machines enhance shelf life, improve processing efficiency, and ensure compliance with international quality standards. Below is a detailed breakdown of the key commercial applications of peanut drying machines.

1. Agricultural Industry: Preparing for Harvest and Storage

Drying machines are essential in the post-harvest phase of peanut farming. After harvesting, peanuts contain high moisture levels that make them susceptible to mold, fungal growth (such as aflatoxin-producing strains), and spoilage during storage. The dry processing method reduces moisture content to safe levels (typically 8–10%), preserving quality and extending shelf life.

This controlled drying process ensures peanuts meet grading standards for size, color, and purity, making them suitable for both domestic use and export. Properly dried peanuts also minimize weight loss due to spoilage, improving yield and profitability for farmers.

2. Food Processing Industry: From Raw Nuts to Value-Added Products

In food manufacturing, peanut drying machines prepare raw peanuts for further processing such as shelling, roasting, grinding, and milling. Dry peanuts are easier to shell and roast uniformly, resulting in consistent flavor and texture.

These processed peanuts become key ingredients in a wide range of consumer goods, including:

• Peanut Butter: Smooth or crunchy spreads used globally in households and bakeries.
• Peanut Flour: A high-protein, gluten-free alternative used in baking and protein bars.
• Peanut Oil: Extracted from dried kernels for cooking and industrial food applications.
• Snack Foods: Roasted, salted, or flavored peanuts packaged for retail.

3. Oil Extraction Industry: Ensuring High-Quality Output

The oil extraction industry relies heavily on properly dried peanuts to maximize yield and maintain oil purity. Moisture in raw peanuts can lead to oil degradation, lower extraction efficiency, and contamination during pressing or solvent extraction.

Using groundnut processing machines (commonly referred to as "ground nut machines"), producers ensure peanuts are clean, dry, and ready for crushing. This results in higher-quality edible oil with better clarity, longer shelf life, and fewer impurities—critical for meeting food safety regulations.

4. Manufacturing of Confectioneries and Snacks

Dried peanuts are a staple ingredient in the confectionery sector. Their stable moisture content allows for consistent roasting and coating, which is essential for producing premium snacks such as:

• Peanut brittle and nougat
• Chocolate-covered peanuts and energy bars
• Salted, spiced, or honey-roasted peanuts
• Baked goods like cookies, granola, and trail mixes

Automated peanut drying systems ensure batch-to-batch consistency, enhancing flavor development and preventing rancidity—key factors in maintaining brand reputation and consumer satisfaction.

5. Cosmetic and Pharmaceutical Industries: Harnessing Natural Benefits

Peanut oil derived from dried peanuts is widely used in cosmetic and pharmaceutical formulations due to its emollient properties and rich nutrient profile. It contains high levels of vitamin E, antioxidants, and healthy fatty acids, making it ideal for:

• Moisturizing lotions and body creams
• Soaps and lip balms
• Hair conditioners and scalp treatments
• Medicated ointments and natural health supplements

The stability and purity of peanut oil—achieved through proper drying before extraction—make it a preferred carrier oil in dermatological and wellness products.

6. Export and International Trade: Meeting Global Standards

For peanut-producing countries, drying machines are indispensable for export readiness. International markets impose strict quality controls regarding moisture content, aflatoxin levels, and overall hygiene. Peanuts that fail these standards are often rejected at customs, leading to financial losses.

Modern drying technologies help producers:

• Comply with ISO and Codex Alimentarius standards
• Maintain uniform quality across large batches
• Extend storage and shipping lifespan without refrigeration
• Compete effectively in global markets such as the EU, USA, China, and Southeast Asia

As global demand for plant-based proteins and edible oils continues to rise, efficient peanut drying infrastructure strengthens trade competitiveness and supports sustainable agricultural economies.

Industry	Primary Use of Dried Peanuts	Key Benefits of Dry Processing
Agricultural	Post-harvest drying and storage	Prevents spoilage, extends shelf life, meets grading standards
Food Processing	Shelling, roasting, grinding	Improves texture, flavor, and processing efficiency
Oil Extraction	Oil pressing and refining	Increases yield, ensures oil purity and stability
Confectionery & Snacks	Roasting, coating, baking	Enables consistent flavor and prevents rancidity
Cosmetics & Pharmaceuticals	Carrier oil and active ingredient	Leverages antioxidant and moisturizing properties
Export & Trade	Quality compliance for international markets	Meets safety standards, enhances marketability

Important: Improper drying can lead to aflatoxin contamination, one of the most serious food safety risks in peanut production. Always use calibrated drying equipment and follow recommended temperature and airflow settings. Regular testing and quality control are essential, especially for export-oriented operations.

Peanut Machine Dry Way Specifications and Features

Choosing the right peanut drying machine is essential for maintaining quality, maximizing yield, and ensuring food safety during post-harvest processing. Whether used in small-scale farming or large commercial operations, modern peanut drying systems combine advanced engineering with precise control to deliver consistent results. This guide outlines the key technical specifications and features that define high-performance peanut drying machines, helping you make informed decisions based on capacity, efficiency, automation, and end-product quality.

Drying Capacity

Drying capacity is a primary performance metric, indicating how much product the machine can process per unit of time. It directly influences throughput and operational scalability.

• Measured in kilograms per hour (kg/h) or tons per day (TPD), depending on the scale of operation
• Small-scale units typically handle 100–500 kg/h, ideal for local farms or cooperatives
• Industrial models can process 1–5+ tons per hour, supporting agribusinesses and export-oriented facilities
• Higher-capacity machines often include multiple drying chambers or conveyor zones for continuous flow

Key consideration: Match drying capacity to harvest volume to avoid bottlenecks or underutilization.

Heat Source Options

The heat source determines energy efficiency, operating cost, and environmental impact. Modern machines support various heating methods to suit different regional and logistical needs.

• Gas or propane: Offers rapid, controllable heating; common in mobile or off-grid setups
• Steam: Ideal for integrated food processing plants with existing boiler systems
• Electric heaters: Clean and precise, suitable for indoor or climate-controlled environments
• Solar-assisted drying: Eco-friendly option in sunny climates, often combined with backup systems for consistency

Pro tip: Hybrid systems (e.g., solar + gas) balance sustainability and reliability in variable weather conditions.

Temperature Control

Precise temperature regulation is critical to preserving peanut quality during drying. Overheating can cause cracking or oil leakage, while insufficient heat leads to mold growth.

• Equipped with digital thermostats or PLC-based controls for accurate heat management
• Multi-stage drying profiles allow gradual temperature increases to match moisture removal rates
• Typical drying temperatures range from 40°C to 65°C (104°F–149°F), depending on initial moisture and desired output
• Uniform heat distribution prevents hot spots and ensures consistent drying across batches

Critical factor: Maintain temperatures below 70°C to preserve nutritional value and flavor integrity.

Final Moisture Level

Moisture content after drying determines shelf life, storage safety, and suitability for further processing like roasting or shelling.

• Optimal final moisture: 5–7% for long-term storage without spoilage
• Below 5% may lead to excessive brittleness and kernel breakage
• Above 8% increases risk of aflatoxin contamination and microbial growth
• Integrated moisture sensors provide real-time feedback for automatic system adjustments

Quality standard: Use calibrated moisture meters to verify output before packaging or storage.

Energy Efficiency

Energy consumption significantly impacts operating costs, especially in large-scale or continuous operations.

• High-efficiency models use heat recovery systems or insulated chambers to minimize energy loss
• ENERGY STAR-rated or ISO-certified machines offer documented savings of 20–40% over conventional units
• Variable speed fans and smart thermostats adjust power usage based on load size and ambient conditions
• Lifecycle cost analysis shows premium-efficient models pay for themselves within 1–3 years

Sustainability note: Energy-efficient dryers reduce carbon footprint and align with green certification programs.

Automated Control Systems

Automation enhances consistency, reduces labor requirements, and minimizes human error in drying processes.

• PLC (Programmable Logic Controller) systems manage temperature, airflow, and retention time automatically
• HMI (Human-Machine Interface) touchscreens allow operators to set drying profiles and monitor progress
• Automated feed and discharge systems ensure steady material flow and prevent overloading
• Data logging capabilities support traceability and compliance with food safety standards (e.g., HACCP, ISO 22000)

Time-saving tip: Pre-programmed drying cycles for different peanut varieties improve repeatability and ease of use.

Key Features of Modern Peanut Drying Machines

Efficient Shelling Integration

Many advanced drying systems are designed to work seamlessly with downstream shelling equipment, improving overall processing efficiency.

• Drying stabilizes peanut shells, making them easier to crack without damaging kernels
• Optimal moisture levels enhance separation rates, reducing unshelled peanuts to less than 2%
• Integrated systems reduce handling steps, lowering contamination risks and labor costs
• Advanced shelling mechanisms use adjustable rollers and sieves for maximum yield and minimal breakage

Performance benefit: Properly dried peanuts increase shelling efficiency by up to 30% compared to wet or unevenly dried nuts.

Vibration and Air Separation

These cleaning mechanisms remove debris, dust, and lightweight impurities before and after drying.

• Vibrating decks shake loose soil, stems, and broken shells from peanuts
• Air aspirators blow away chaff and light contaminants using controlled airflow
• Multi-stage separation ensures only clean, uniform peanuts enter the drying chamber
• Reduces wear on drying components and improves heat transfer efficiency

Hygiene advantage: Clean input material prevents cross-contamination and supports food safety audits.

Batch vs. Continuous Processing

The choice between batch and continuous drying depends on production volume, labor availability, and facility layout.

• Batch dryers: Ideal for small farms or specialty producers; allow close monitoring of each load
• Continuous dryers: Conveyor-based systems for high-volume operations; maintain steady output with minimal intervention
• Batch models offer flexibility for different peanut types or moisture levels
• Continuous systems provide uniform drying and better energy utilization over time

Scalability insight: Start with batch systems and transition to continuous as demand grows.

Grind Settings (for Peanut Butter Lines)

In integrated processing lines, drying quality directly affects grinding performance and final product texture.

• Consistently dried peanuts produce smoother, more stable peanut butter
• Machines with adjustable grind settings allow production of smooth, creamy, or chunky varieties
• Pre-grinding conditioning (optional) enhances oil release and homogenization
• Dual-stage grinders with variable speed control optimize particle size distribution

Product versatility: Uniform drying enables consistent texture across different grind profiles.

Professional Recommendation: For most commercial operations, invest in a continuous-flow peanut drying system with automated temperature and moisture controls. Pair it with vibration and air cleaning stages to ensure high-quality input. If producing value-added products like peanut butter, choose a system that integrates drying with shelling and grinding for maximum efficiency. Always verify that the machine meets local safety and food-grade material standards (e.g., FDA, CE, or equivalent).

Operation Size	Recommended Machine Type	Capacity Range	Key Features
Small Farm / Local Market	Batch Dryer with Manual Controls	100–300 kg/h	Gas-heated, basic thermostat, vibration cleaner
Medium Agri-Business	Semi-Automatic Continuous Dryer	500–1,000 kg/h	Digital temp control, air separation, electric/steam heat
Large Commercial Processor	Fully Automated Continuous System	1–5+ Tons/hour	PLC control, moisture sensors, heat recovery, full integration
Organic / Eco-Focused Producer	Solar-Assisted Hybrid Dryer	200–600 kg/h	Solar thermal + gas backup, low-energy fans, sustainable materials

Additional Considerations

• Material Construction: Look for food-grade stainless steel contact surfaces to prevent corrosion and ensure hygiene
• Maintenance Access: Machines with removable panels and cleanout ports simplify servicing and sanitation
• Noise Levels: Industrial dryers should operate below 80 dB for worker safety and comfort
• Warranty & Support: Reputable manufacturers offer 1–3 year warranties and technical support for installation and troubleshooting
• Compliance: Ensure the machine meets regional electrical, emissions, and food safety regulations

How to Choose Peanut Machines for Dry Processing: A Complete Buyer’s Guide

Selecting the right peanut processing machinery is essential for achieving high efficiency, product quality, and long-term profitability—especially when using the dry method. Dry processing is a preferred technique in commercial peanut production due to its ability to preserve flavor, reduce spoilage risk, and streamline operations. This comprehensive guide breaks down the five critical factors to consider when choosing peanut machines for dry processing: moisture handling, husk removal, operational efficiency, grading and sorting, and scalability. Whether you're starting a small-scale operation or expanding an existing facility, these insights will help you make informed decisions.

Important Note: The term "dry way" refers to processing peanuts after they have been sufficiently dried post-harvest (typically to a moisture content of 8–10%). This method minimizes mold growth and enhances shelf life, making it ideal for large-scale roasting, shelling, and packaging operations.

Key Factors in Selecting Dry Peanut Processing Machines

• Moisture Content Assessment and Machine Compatibility

  Before investing in machinery, it's crucial to evaluate the moisture level of your raw peanuts. While dry processing implies low moisture, some residual humidity may remain. To determine moisture content:

  • Take a representative sample of raw peanuts and weigh them.
  • Dry the sample in an oven at 105°C for 24 hours.
  • Re-weigh and calculate the percentage loss—this represents moisture content.

  For optimal results, peanuts should have a moisture content below 10% before entering the dry processing line. If levels are higher, pre-drying equipment may be necessary. Once dried, use a dry peanut peeling machine designed to handle brittle shells without crushing kernels. These machines utilize friction or abrasive rollers to gently remove skins while preserving nut integrity.

• Husk Removal: Choosing the Right Dehuller

  Effective husk removal is foundational to high-quality peanut processing. A dedicated dry peanut dehulling machine separates the outer shell (husk) from the edible kernel with minimal breakage. Key features to look for include:

  • Adjustable clearance settings to accommodate different peanut sizes
  • High-efficiency separation mechanisms (e.g., rubber rollers, impact shelling)
  • Integrated air blowers or sieves to separate husks from kernels
  • Durable construction resistant to wear from continuous operation

  Top-tier dehullers achieve over 95% shell removal efficiency while keeping kernel damage under 3%. Always test the machine with your specific peanut variety to ensure compatibility.

• Operational Efficiency and Automation

  In dry processing, maximizing throughput while minimizing waste is key. Modern peanut processing lines integrate multiple functions—shelling, cleaning, roasting, cooling, and packaging—into automated systems that reduce labor costs and improve consistency.

  When evaluating efficiency, consider:

  • Throughput capacity (kg/hour) relative to your production goals
  • Energy consumption of roasters and motors
  • Waste reduction through precise calibration and dust extraction systems
  • Integration capability with conveyors and downstream equipment

  Automated control panels allow operators to monitor performance in real time, adjust settings remotely, and maintain consistent output quality. Machines with variable speed drives offer flexibility across different peanut types and batch sizes.

• Grading and Sorting for Uniform Quality

  Commercial buyers demand uniformity in size, color, and texture. Implementing advanced peanut grading and sorting machines ensures your product meets market standards. These systems typically include:

  • Size-based graders: Use vibrating sieves or perforated drums to sort peanuts by diameter
  • Color sorters: Employ optical sensors and air jets to remove discolored or defective kernels
  • Metal detectors: Identify and reject foreign materials for food safety compliance
  • Dust removers: Clean kernels after shelling to improve appearance and shelf life

  Investing in multi-stage sorting enhances both aesthetic appeal and market value, especially for export or branded retail products.

• Scalability for Future Growth

  Choose peanut processing equipment with scalability in mind. As your business expands, you’ll need to increase capacity without overhauling your entire system. Look for:

  • Modular designs that allow easy addition of new units (e.g., extra shelling or roasting chambers)
  • Machines with upgradeable components (motors, controls, sensors)
  • Suppliers offering technical support and spare parts availability
  • Space-efficient layouts that can be expanded within existing facilities

  Starting with a semi-automated line and gradually moving toward full automation allows for manageable capital investment and smoother operational scaling.

Selection Factor	Recommended Machine Type	Performance Target	Budget Consideration
Moisture Handling	Dry peanut peeling & drying machine	<10% final moisture, <5% kernel damage	Mid-range; essential for quality control
Husk Removal	Adjustable dry dehuller with air separation	>95% dehulling efficiency	High ROI; prioritize durability
Efficiency	Integrated shelling-cleaning-roasting line	500–2000 kg/h depending on scale	Higher upfront cost, long-term savings
Grading & Sorting	Vibratory grader + optical color sorter	98% purity, consistent sizing	Premium option for export-grade output
Scalability	Modular, expandable system	2x capacity expansion potential	Wise long-term investment

Expert Tip: Always request a live demonstration or trial run of any peanut machine with your actual crop. This allows you to assess performance under real conditions and verify claims made by manufacturers regarding efficiency, breakage rates, and ease of maintenance.

Additional Recommendations

• Regularly clean and maintain all machinery to prevent buildup and ensure food safety compliance
• Train operators on proper machine settings for different peanut varieties (e.g., Valencia, Runner, Spanish)
• Keep spare parts like screens, belts, and brushes on hand to minimize downtime
• Source machines from reputable suppliers with proven experience in peanut processing
• Consider energy-efficient models to reduce operating costs and environmental impact

Choosing the right peanut machines for dry processing isn't just about buying equipment—it's about building a reliable, efficient, and scalable production system. By focusing on moisture control, effective dehulling, automation, precise sorting, and future growth potential, you can significantly enhance product quality and operational success. Whether you're entering the peanut market or upgrading your current setup, thoughtful machine selection lays the foundation for long-term profitability and customer satisfaction.

Frequently Asked Questions About Peanut Processing Machines

Q1: What is the purpose of the peanut drying machine?

The peanut drying machine plays a crucial role in post-harvest peanut processing by efficiently reducing the moisture content of freshly harvested peanuts from as high as 30–40% down to a safe storage level of approximately 5–7%. This controlled drying process is essential to:

• Prevent mold and fungal growth, particularly dangerous species like Aspergillus flavus, which can produce carcinogenic aflatoxins.
• Extend shelf life by minimizing the risk of spoilage during storage and transportation.
• Maintain seed viability for farmers who save peanuts for planting in the next season.
• Ensure compliance with food safety standards required by markets and regulatory bodies.

Improper drying can lead to rancidity, loss of flavor, and unsafe product quality—making this machine a vital component in both small-scale and commercial peanut operations.

Q2: Which is the major heat source in peanut drying machines?

The primary heat source in most peanut drying machines is hot air, which is circulated through the peanut mass to facilitate even and efficient moisture removal. However, the method of generating this hot air varies depending on the machine design, regional energy availability, and operational scale:

Heat Source	Description	Common Use Cases
Hot Air (Electric/Combustion-Heated)	Air is heated via electric elements or fuel combustion and blown through drying chambers.	Most common in commercial and industrial dryers; ensures consistent temperature control.
Gas (Propane/Natural Gas)	Direct or indirect gas burners provide high thermal efficiency.	Frequent in large-scale operations where gas is readily available and cost-effective.
Steam	Used in indirect drying systems where steam heats air or surfaces in contact with peanuts.	Common in integrated food processing plants with existing steam infrastructure.
Solar Energy	Solar dryers use greenhouse principles or solar collectors to heat air naturally.	Ideal for smallholder farmers in sunny regions seeking low-cost, sustainable drying solutions.

Modern drying systems often include temperature and humidity sensors to optimize drying time and preserve peanut quality, avoiding overheating that could damage oils and proteins.

Q3: How does the peanut cleaning machine work?

The peanut cleaning machine is designed to remove impurities and ensure only high-quality nuts proceed to further processing. It typically employs a combination of mechanical and pneumatic techniques:

• Vibrating Screens: Peanuts are fed onto oscillating mesh screens that separate them by size. Larger debris (like stones or clumps of soil) are removed on top, while undersized particles (dust, sand) fall through the bottom layers.
• Air Separation (Winnowing): Controlled airflow blows away lighter contaminants such as husks, stems, and dust, while heavier peanuts fall into the clean product stream.
• Magnetic Separators (Optional): Some advanced models include magnets to capture any ferrous metal fragments that may have entered during harvesting.
• Destoners: Density-based separation removes stones and other heavy foreign materials that could damage downstream equipment.

By effectively eliminating dirt, damaged kernels, and extraneous plant material, the cleaning machine improves both the safety and market value of the final peanut product.

Q4: What are some of the features of peanut butter-making machines?

Peanut butter-making machines are engineered to transform roasted peanuts into smooth or textured spreads with precision and consistency. Key features include:

• Adjustable Grind Settings: Multiple rotor-stator configurations or grinding plates allow users to select between smooth, creamy textures and chunky, crunchy varieties.
• High-Power Motor: Typically ranging from 3 to 10 horsepower, these motors provide the torque needed to break down peanut cell walls and release natural oils for a creamy consistency.
• Temperature Control: Some industrial models include cooling jackets to manage heat generated during grinding, preserving flavor and preventing oil separation.
• Feed Hopper and Auger System: Ensures a steady flow of peanuts into the grinding chamber, minimizing clogging and maximizing efficiency.
• Stainless Steel Construction: Food-grade materials ensure hygiene, durability, and easy cleaning in compliance with food safety regulations.
• Built-in Oil Management: Advanced systems recirculate or adjust oil content to achieve desired viscosity and texture without additives.

From small batch artisanal units to large-scale continuous processors, these machines offer versatility for home kitchens, local producers, and commercial food manufacturers alike.

Q5: How do peanut processing machines contribute to food safety?

Peanut processing machines significantly enhance food safety by addressing key contamination risks throughout the production chain:

• Cleaning: Removes soil, stones, moldy kernels, and foreign materials that could harbor pathogens or damage equipment.
• Shelling: Separates peanuts from shells cleanly, reducing the risk of shell fragments in the final product and minimizing manual handling that could introduce contaminants.
• Drying: Rapidly reduces moisture to inhibit the growth of aflatoxin-producing molds, one of the most serious hazards in peanut production.
• Sorting and Grading: Many modern systems include optical sorters or density tables that detect and remove discolored, damaged, or contaminated nuts.
• Hygienic Design: Machines made from stainless steel with smooth surfaces and minimal crevices prevent bacterial buildup and facilitate thorough sanitation.

By automating critical steps and maintaining consistent processing standards, these machines help producers meet stringent food safety protocols such as HACCP, ISO 22000, and FDA requirements—ultimately protecting consumer health and brand reputation.