Cocoa Bean Peeling Machine
Cocoa bean peeling machine is a professional equipment used to…
Cocoa bean peeling machine is a professional equipment used to remove the shells from roasted cocoa beans and separate cocoa shells from cocoa nibs. By combining roller squeezing, air separation, and vibrating screening, the machine can efficiently process roasted cocoa beans and prepare cleaner cocoa nibs for further production of cocoa paste, cocoa liquor, cocoa powder, cocoa butter, and chocolate products.
For customers planning a complete cocoa processing plant, the cocoa bean peeling machine can also be combined with equipment such as a cocoa pod opener, cocoa bean roaster, cocoa grinder, colloid mill, cocoa paste machine, cocoa butter press, and cocoa powder processing equipment according to the final product.
What Is a Cocoa Bean Peeling Machine?
A cocoa bean peeling machine, also known as a coffee bean peeler or cocoa bean winnowing machine, is mainly used to remove the thin outer shell of roasted cocoa beans.
After roasting, the cocoa beans are crushed and cracked by a pair of rollers to separate the shells from the nibs. The machine then uses airflow and screening to separate the lightweight cocoa shells from the heavier cocoa nibs.
The basic process is:
Roasted Cocoa Beans → Roller Squeezing → Air Separation → Vibrating Screening → Cocoa Nibs + Cocoa Shells
The cleaned cocoa nibs can then enter a cocoa grinder or colloid mill for further processing.
This makes the cocoa bean peeling machine an important pretreatment machine in cocoa processing.
How Does the Cocoa Bean Peeler Machine Work?
The cocoa bean peeling process generally includes several important steps.
1. Roast the Cocoa Beans
Before peeling, the cocoa beans need to be roasted. Roasting helps develop the characteristic cocoa flavor and makes the subsequent peeling and crushing process more suitable.
After roasting, the cocoa beans should be cooled before entering the peeling equipment.
For complete cocoa processing projects, we can also provide a cocoa bean roaster for the roasting stage.
2. Cocoa Shell and Nib Separation
The cooled roasted cocoa beans enter the machine through the feeding hopper.
The roasted cocoa beans enter the cocoa bean peeling machine and are first squeezed and crushed by the double rollers, allowing the cocoa shells to separate from the cocoa nibs.
3. Screen and Grade the Cocoa Pieces
The material then enters the three-layer vibrating screen for further screening.
The number of screen layers and the screen mesh size can be customized according to the customer’s raw material characteristics and separation requirements, enabling more precise grading and separation of cocoa nibs and shells.
4. Separate Cocoa Shells by Airflow
After screening, the lightweight cocoa shells are carried away and collected by the airflow generated by the fan and air duct, while the heavier cocoa nibs are discharged through the outlet, achieving efficient separation of cocoa shells and nibs.
The separated cocoa shells are transported through the suction pipe to a cyclone collector, while the cleaned cocoa nibs are discharged through the outlet.
The separation effect can be adjusted by changing the airflow volume and peeling gap according to the characteristics of the cocoa beans.
5. Collect the Cocoa Nibs
After the shell is removed, the cleaned cocoa nibs are discharged from the machine and can be transferred to the next processing stage.
For example: Roasted Cocoa Beans → Cooling → Crushing → Screening → Winnowing → Cocoa Nibs → Grinding
This makes the cocoa bean peeling machine an important preparation step in a complete cocoa processing line.
Main Features of the Cocoa Bean Peeling Machine
Crushing and Winnowing in One Machine
The machine combines crushing, air separation, and screening, reducing the need for separate processing equipment and making the process more convenient.
Efficient Cocoa Shell Separation
The combination of mechanical crushing and airflow separation helps remove lightweight cocoa shells from heavier cocoa nibs. Under suitable raw material and operating conditions, the shell and nib separation rate can reach up to 99%.
Adjustable Airflow
The airflow can be adjusted according to the cocoa bean variety, roasting condition, moisture content, and particle size.
Proper airflow adjustment helps remove cocoa shells while reducing the loss of useful cocoa nibs.
Adjustable Peeling Gap
The crushing/peeling gap can be adjusted according to the size and condition of the cocoa beans, helping achieve a better peeling and separation effect.
Vibrating Screening System
The vibrating screen can classify the crushed cocoa material by particle size before or during the separation process, helping improve the overall processing efficiency.
Stainless Steel Food-Contact Parts
Depending on the equipment configuration, parts that come into direct contact with cocoa beans can be manufactured from food-grade stainless steel. The main frame and other structural components can use carbon steel.
Different Capacities
Different models and configurations are available for different processing requirements. The equipment can be selected according to the customer’s required cocoa processing capacity.
Cocoa Bean Peeling Machine Models and Parameters
Our cocoa bean peeling and winnowing machines are available in three main types. The capacity ranges from 50–100 kg/h to 1000 kg/h, allowing customers to select suitable equipment according to their cocoa bean processing requirements.
1. Small-Capacity Cocoa Bean Peeling Machines
The SL-1 and SL-2 models are suitable for cocoa processing projects with relatively small production requirements. Both models feature a compact structure and simple operation, and the appropriate model can be selected according to the required capacity.
| معامل | SL-1 | SL-2 |
| سعة | 50–100 kg/h | 200 كجم/ساعة |
| الجهد االكهربى | 380V 50Hz | 380 فولت |
| طاقة المحرك الرئيسي | 0.4 kW | 0.75 كيلو واط |
| Fan Power | 0.37 kW | 0.55 kW |
| Peeling Rate | ＞98% | ＞98% |
| Dimensions | 70×60×130 cm | 120×110×120 cm |
| وزن | — | 140 kg |
| Cyclone Collector | Optional | نعم |
The SL-1 model can be equipped with a cyclone collector according to customer requirements. The hopper, peeling rollers, outer cover, and other food-contact parts are made of stainless steel, while the frame and transmission components are made of carbon steel. The SL-2 model also uses stainless steel for food-contact parts and carbon steel for the frame and transmission components.
2. Medium-Capacity Cocoa Bean Peeling Machines with Screening
The SL-3 and SL-4 models add a vibrating screening and air separation system to the peeling process.
| معامل | SL-3 | SL-4 |
| سعة | 300 kg/h | 400–500 كجم/س |
| قوة المحرك | 0.75 كيلو واط | 1.1 كيلو واط |
| Fan Power | 1.5 كيلو واط | 2.2 كيلوواط |
| Vibrating Screen Power | 0.18 kW | 0.18 kW |
| الجهد االكهربى | 380 فولت | 380 فولت |
| Peeling Rate | ＞99% | ＞99% |
| Dimensions | 160×70×140 cm | 160×100×140 cm |
| Cyclone Dust Collection | Included | Included |
| Shell Suction Fan | Included | Included |
3. High-Capacity Spiral Cocoa Bean Peeler Machine
For customers who require a higher processing capacity, we also provide the HB-2 spiral cocoa bean peeling machine, with a capacity of up to 1000 kg/h. The machine is equipped with a variable-speed motor, fan, suction pipe, and cyclone system for collecting cocoa shells, making it suitable for high-capacity cocoa bean processing projects.
| معامل | HB-2 |
| نوع الآلة | Spiral Peeling Machine |
| سعة | 1000 kg/h |
| Variable-Speed Motor Power | 4.4 kW |
| Fan Power | 2.2 كيلوواط |
| الجهد االكهربى | 380 فولت |
| التردد | 50 هرتز |
| Dust Collection System | Suction Pipe and Cyclone Collector |
| Dimensions | 1900×1000×1400 mm |
| وزن | 300 كجم |
Cocoa Bean Peeling Process
A typical cocoa bean processing process can be arranged as follows:
Cocoa Pods → Cocoa Pod Splitting Machine → Impurity Removal Machine → Cocoa Bean Roasting → Cooling → Cocoa Bean Peeling → Cocoa Nibs → Grinding
Not every cocoa processing project requires all of these machines. The actual equipment configuration depends on the raw material available to the customer and the desired final product.
For example, if the customer purchases dried cocoa beans, a cocoa pod breaker is not required. The process can start directly with roasting and peeling.
From Cocoa Bean Peeling to Cocoa Paste
The main purpose of peeling is to obtain cleaner cocoa nibs for subsequent processing.
After the cocoa shells are removed, the cocoa nibs can be fed into a cocoa grinder, colloid mill, or cocoa paste machine.
The grinding process reduces the particle size of the cocoa nibs and gradually produces a smooth cocoa mass.
A basic cocoa paste production process is:
Cocoa Beans → Roasting → Cocoa Bean Peeling Machine → Cocoa Nibs → Cocoa Grinder / Colloid Mill → Cocoa Paste
For customers who need a complete cocoa paste production line, we can select the corresponding equipment according to the required capacity and final product.
Why Remove Cocoa Shells Before Grinding?
Cocoa shells are not the main cocoa material required for producing cocoa liquor or cocoa paste. Removing them before grinding provides several advantages.
First, it helps obtain cleaner cocoa nibs for grinding. Second, it reduces the amount of shell material entering downstream processing equipment. Third, the separated cocoa shells can be collected separately through the air separation and cyclone system.
The actual separation performance depends on several factors, including:
- Cocoa bean variety
- Roasting temperature and time
- Cocoa bean moisture
- Crushing size
- Airflow volume
- Peeling gap
- Machine adjustment
Therefore, the cocoa bean peeling machine should be properly adjusted according to the customer’s actual cocoa beans.
Complete Cocoa Processing Equipment
We can provide individual cocoa processing machines as well as complete processing solutions.
Depending on the customer’s raw materials and final products, the equipment can include:
- For Cocoa Bean Preparation: cocoa pod splitting machine, cocoa bean roaster, cocoa bean peeling machine
- For Cocoa Paste / Cocoa Mass: cocoa paste machine, or colloid mill
- Cocoa Powder Processing Equipment
- Chocolate Production Equipment
The complete production line can be customized according to raw material, processing capacity, final product, workshop conditions, and customer’s processing requirements.
الاستنتاج
The cocoa bean peeling machine is an important pretreatment machine for removing cocoa shells and obtaining cleaner cocoa nibs. By combining crushing, airflow separation, and vibrating screening, the machine provides an efficient solution for cocoa shell and nib separation.
The peeled cocoa nibs can be further processed into cocoa paste, cocoa powder, or chocolate.
If you are planning a cocoa processing project, we can provide the cocoa bean peeling machine together with cocoa roasting, grinding, paste-making, cocoa powder, and chocolate processing equipment to build a suitable cocoa processing solution according to your raw materials and production requirements.