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Designing a banana chip production line requires comprehensive consideration of multiple aspects such as raw material processing, processing technology, equipment selection, degree of automation, hygiene standards, and packaging requirements. The following is a typical process and key equipment configuration of a complete banana chip production line:
1. Raw material pretreatment section
(1) Banana reception and sorting
Equipment: conveyor belt, sorting table (manual or visual sorting system)
Process:
Fresh bananas enter the workshop through the conveyor belt, and rotten, overripe or mechanically damaged raw materials are removed.
Grading by maturity (usually 7-8 ripe bananas are selected, with yellow and green skin).
(2) Cleaning and peeling
Equipment: bubble cleaning machine, high-pressure spray device, automatic peeling machine
Process:
Bananas are soaked in clean water and sprayed to remove surface dirt.
Mechanical peeling (to avoid damage to the flesh), the remaining peel is recycled through the waste conveyor belt (can be used as feed or organic fertilizer).
2. Slicing and color protection
(1) Slicing
Equipment: Multifunctional rotary slicer (adjustable thickness, usually 1~3mm)
Key parameters:
The uniformity of slice thickness affects the drying efficiency and the taste of the finished product.
The blade material must be food-grade stainless steel to prevent oxidation.
(2) Color protection
Equipment: Soaking tank or spray system
Process:
Immediately immerse in color protection liquid (usually 0.5%~1% citric acid + 0.1% vitamin C solution to inhibit browning) after slicing.
Color protection time is 30~60 seconds, then drain.
3. Dehydration/drying process
(1) Pretreatment drying
Equipment: Multi-layer mesh belt dryer or heat pump dryer
Parameters:
First stage: 60~65ºC hot air, time 1~2 hours (quickly remove surface moisture).
Second stage: 50~55ºC slow drying, time 4~6 hours (retain sugar and flavor).
(2) Optional process (crispy chips)
Equipment: vacuum fryer or low-temperature puffing equipment
Alternative: freeze-drying technology instead of frying (high cost but good nutrition retention).
4. Seasoning and cooling
(1) Seasoning (optional)
Equipment: drum seasoning machine or powder sprayer
Optional flavors:
Sweet: spray honey or syrup.
Salty: sprinkle salt, spice powder (such as cinnamon, chili).
(2) Cooling
Equipment: cooling conveyor belt (equipped with fan)
Requirement: cool to room temperature to avoid condensation after packaging.
5. Packaging section
(1) Sorting and quality inspection
Equipment: metal detector, weight sorter, manual quality inspection table
Standard: remove debris and burnt pieces to ensure no impurities.
(2) Packaging
Equipment: automatic packaging machine (nitrogen filling for freshness preservation)
Packaging form:
Bagged (aluminum foil composite film, light-proof and moisture-proof).
Canned (suitable for high-end products).
Key considerations
Hygienic design: The equipment complies with GMP standards, and the contact surface is 304 stainless steel, which is easy to disassemble and clean.
Energy consumption optimization: A waste heat recovery system can be used in the drying process.
Automation control: The PLC system integrates temperature, humidity, and speed parameters to reduce manual intervention.
By-product utilization: Banana peels can be processed into dietary fiber or organic fertilizer to improve economic benefits.
Productivity example
Small line: 100~200kg of raw materials are processed per hour, and 1~2 tons of finished products are produced per day.
Industrial-grade line: more than 500kg are processed per hour, and an automated packaging system is provided.
If a more detailed plan for a certain section is required (such as non-frying process or freeze-drying technology), further explanation can be provided.
| Equipment | Power | Dimension |
| Cutter Machine | 2.2KW | 900x600x1100mm |
| Elevator | 0.55KW | 1800*800*1300mm |
| Frying Machine | 200KW | 8000x1200x2000mm |
| Sugar Dipping Machine | 24KW | 4000x1200x1400mm |
| Wind Dryer | 6.5KW | 4000x1000x1600mm |
| Elevator | 0.55KW | 1800x800x1300mm |
| Frying Machine 2nd | 100KW | 6000x1200x2000mm |
| Vibration Deoil Machine | 0.36KW | 1600x1000x1200mm |
| Wind Cooling Machine | 4.5KW | 5000x1000x1500mm |
| Picking Line | 0.55KW | 3000x800x800mm |
| Seasoning Machine | 1.5KW | 2400*900*1600mm |
| Packing Machine | 3KW | 2700*2700*2000mm |
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