The fully‑automatic walnut kernel peeling and washing machine is mainly used to remove the brown seed coat on the surface of walnut kernels. Adopting high‑pressure water jet physical spray peeling technology, it effectively reduces residual risks caused by the traditional chemical soaking method. The machine achieves a peeling rate of up to 98% while maintaining the high integrity of walnut kernels.
Available in three models, the equipment features a circulating water system and 304 food‑grade stainless steel construction. You can select proper configurations according to different production scales.
The standalone unit can be connected with soaking‑blanching machines, material lifting machines, bubble washing machines, manual sorting conveyors and drying equipment to form a continuous deep‑processing production line for walnut kernels.
Walnut kernel peeling and washing machine value and applications
The brown, astringent seed coat of walnut kernels degrades the taste of final products. Traditional caustic‑soda soaking (20‑30 min) causes chemical residues, high kernel breakage, and heavy labor costs.
- Processing advantages: This machine uses pure‑physical high‑pressure spray peeling. It can connect with drying ovens for full production lines and avoid chemical‑residue risks.
- Market benefits: Peeled walnut kernels deliver better color and flavor. They meet market demand for residue‑free nut raw materials, raising product added value and differentiated competitiveness.
- Applicable products: Suitable for walnut milk, walnut paste, amber walnuts, ready‑to‑eat walnut kernels, etc. Mechanical peeling replaces manual work and connects smoothly with cleaning, drying, and packaging processes.
Walnut kernel peeling and washing machine core advantages
- Food‑grade physical peeling: High‑pressure water jet peeling without chemicals. 304 food‑grade stainless steel structure with visible & adjustable spray pressure to retain walnuts’ natural color, flavor, and nutrition.
- Superior peeling quality: 98% peeling rate with low kernel breakage, improving the marketable rate for high‑end ready‑to‑eat walnut production.
- Energy‑saving & eco‑friendly recirculating water: Recirculating spray water, low consumption, and no pollution. Stable, low‑noise operation with flexible capacity.
- Labor‑saving continuous production: Continuous processing with a standard discharge shovel for fast unloading and reduced labor intensity.
- Strong line compatibility: Compatible with blanching, lifting, washing, sorting, and drying equipment, suitable for plants of all sizes.
Production process and complete production line configuration
The complete walnut‑kernel deep‑processing system adopts a modular equipment combination to realize continuous operations from pre‑treatment to drying and cut down on manual material handling.
Complete processing procedures together with corresponding supporting equipment:
- Soaking and Blanching (Walnut Soaking & Blanching Machine): Pre‑treat walnut kernels in hot water for 15‑20 min. The traditional caustic‑soda chemical soaking takes 20‑30 min. Variety‑185 walnuts can be physically processed without additives, while additives are recommended for other varieties. The machine is fitted with water heating and an adjustable‑speed conveyor belt.
- Material Lifting & Feeding (Material Lifting Machine): Deliver soaked walnut kernels to the peeling host machine with adjustable conveying speed.
- High‑pressure Spray Peeling ( Main Walnut Kernel Peeling and Washing Machine): The core unit adopts physical high‑pressure spray peeling. Processing time ranges from 10 to 15 min and can be adjusted according to walnut variety, moisture content, and peeling standards to ensure food safety.
- Bubble Washing (Walnut Kernel Bubble Washing Machine): Thoroughly flush residual seed‑coat debris via bubble tumbling rinsing.
- Manual Sorting (Sorting Conveyor Belt): Workers pick out broken and incompletely peeled kernels during transportation; belt speed is adjustable.
- Drying & Discharge (Walnut Kernel Drying Oven): Dehydrate and dry walnut kernels for subsequent processing.
Extended supporting equipment: Green Walnut Peeling Machine, front‑end equipment for removing outer green husks from fresh green walnuts.
Specifications of walnut kernel peeling and washing machine
| Предмет | ТЗ-2000 | TZ-3000 | ТЗ-4000 |
|---|---|---|---|
| Мощность двигателя | 0.75 кВт | 1.1 kW | 1.5 кВт |
| Centrifugal Pump Power | 3 кВт | 5.5 kW | 7.5 kW |
| Напряжение | 380 V / 50 Hz | 380 V / 50 Hz | 380 V / 50 Hz |
| Drum Diameter | 780 mm | 780 mm | 780 mm |
| Water Tank Capacity | 0.25 m³ (Circulating Water) | 0.30 m³ (Circulating Water) | 0.64 m³ (Circulating Water) |
| Automation Level | Manual Discharge | Manual Discharge | Manual Discharge |
| Spray Pressure Display | Yes | Yes | Yes |
| Overall Dimensions | 2100 × 1300 × 1700 mm | 3100 × 1300 × 1700 mm | 4300 × 1300 × 1800 mm |
Note: The three models share the same drum diameter. Their main differences lie in processing capacity, power rating, overall dimensions, and the water‑storage capacity of the water tank. Customers may select the suitable model according to their factory’s daily processing output.
Key points for selecting walnut kernel peeling cleaning machine
- Walnut variety: 185 walnuts support pure‑physical peeling without additives. Most other walnut varieties need additives for satisfactory peeling results.
- Capacity‑based model selection: Choose TZ‑2000 / TZ‑3000 / TZ‑4000 per your daily output and parameter sheet.
- Food safety: Opt for full 304‑stainless‑steel machines to meet food‑workshop hygiene requirements.
- Production line setup: Single‑unit use for small‑batch production; full line with soaking, lifting, washing, sorting and drying for mass production.
Contact us if you need a complete walnut kernel peeling and washing machine. We can supply operation videos and line proposals and customize solutions for your factory conditions.