Case Study: Tailored Industrial Continuous Fryer Order from Czech Customer
February 6, 2025Admin
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We are pleased to announce the successful delivery of an integrated production line comprising a feeding conveyor, an industrial continuous fryer, and a de-oiling belt conveyor, ordered by our Czech client. This production line is designed to fry and boil a variety of Czech specialties, including Langos, long meat burgers, wrapped broccoli meatballs, wrapped cabbage meatballs, liver dumplings, liver rice, meat dumplings, and spicy meat dumplings.
To meet the customer’s requirement for an output of 300 kilograms per hour, while considering spatial constraints at their facility, we engineered a fryer measuring 6m x 0.6m. Additionally, to ensure compatibility with the client’s existing equipment, we equipped the line with two mesh belt machines.
Next, let’s take a closer look at the three machines ordered by our customer: the feeding conveyor, the industrial continuous fryer, and the de-oiling belt conveyor.
I. Feeding Conveyor
The customer is currently using an extruder to produce meatballs. To meet their requirement for the meatballs to be easily dropped or slid into the fryer for frying and boiling, we have equipped the system with an adjustable-height immersion mesh belt machine measuring 2 meters in length and 0.6 meters in width. To enhance mobility, we installed universal wheels, and we also included a bottom receiving tray for added convenience.
The industrial continuous fryer features dual-layer upper and lower mesh belts for efficient conveying. The food is securely sandwiched between these belts, ensuring thorough frying without floating. Users can customize frying times and outputs by adjusting the conveyor belt speed using vector variable frequency speed regulation. The design incorporates a split structure for the upper and lower mesh belts, allowing the upper belt to be adjusted vertically to accommodate fried products of varying heights. The input end utilizes a polytetrafluoroethylene conveyor belt, known for its excellent chemical stability, corrosion resistance, high lubricity, and non-stick properties, preventing food from sticking to the mesh belt after frying. This material also demonstrates excellent anti-aging properties, thereby extending the service life of the mesh belt.
2. Customized Mesh Belt Gap
The customer’s smallest product size is only 9mm. To prevent products from getting stuck, we customized a mesh belt with a gap of 7mm. This design ensures smooth operation and prevents any blockages during the frying process.
3. M-Raised Mesh Belt
As mentioned earlier, some of the customer’s products are quite small and lightweight. To ensure that these items continue to move forward during frying and boiling, we have designed an M-raised mesh belt. This configuration allows small products to progress through the process, preventing them from becoming stationary or sinking to the bottom.
4. Siemens Handheld Wired Remote Control
In response to customer requirements, we have equipped the fryer with a Siemens handheld wired remote control. This remote is connected by a 5-meter-long cable, allowing customers to operate the fryer conveniently from a distance.
5. PLC System
To enhance the usability of the handheld remote control, the fryer is equipped with a built-in PLC system and a touch control interface. This allows full management of the mesh belt lifting and scraping systems from a single machine. Given that the customer has fixed their recipes to nine types, we have programmed nine corresponding recipes into the system. Customers can easily adjust the mesh belt speed and oil temperature based on the specific product, enabling them to select the desired recipe without needing to make adjustments each time. Additionally, the machine supports three languages—Chinese, English, and Czech—ensuring convenient use for all customers.
6. Extension Cover
Because when boiling, customers want the product to “fall” into the water, and this will cause water splashing, so an additional extension cover is installed at the fryer inlet to avoid splashing when falling. We use hinge connection, which meets EU standards.
7. Adjustable Height Feet
To accommodate the approximately 4 cm height difference in the customer’s workshop floor, we have installed adjustable height feet on the fryer. This feature allows for precise leveling, ensuring that the oil maintains a consistent level during operation and that the industrial continuous fryer remains in a horizontal position.
8. Oil Filling Tank – Magnetic Hydraulic Gauge
Due to space constraints at the customer’s site and the inconvenient location of the oil filter, we have installed a magnetic hydraulic gauge externally on the oil storage tank. This innovation allows for real-time monitoring of the oil level, making it easier for workers to check the oil content conveniently and enhance operational efficiency.
9. Automatic Oil Filling System
Given the customer’s high output and extended frying times, oil loss is inevitable. To address this, we have implemented an automatic oil filling valve. This system continuously monitors the oil level; when a drop is detected in the continuous fryer, the valve activates to pump oil directly into the frying pan. This automation not only reduces labor requirements but also minimizes the risks associated with manual refilling.
10. Oil Return System
The customer expressed the need to change the oil when frying different products to prevent cross-contamination from allergens. To facilitate this process, we installed an oil pump within the machine’s circulation pipeline. The oil return pipeline is connected to a plastic bucket via a hose and controlled by a manual valve. This setup allows for the efficient transfer of used oil back into the plastic bucket after frying, ensuring a seamless and safe operation.
11. Lifting Function
The industrial continuous fryer includes a lifting system controlled by a switch on the support column. To use, secure the mesh belt and exhaust hood, then press and hold the lifting button to raise them slowly until the preset limit is reached. Pressing the lowering button allows for a controlled descent.
The exhaust hood can be raised independently or with the mesh belt support and heating tube for easy cleaning. A safety bar keeps the mesh belt support securely elevated to prevent accidental falls. This function can also be operated via a handheld wired remote control for added convenience.
12. Longitudinal Scraping Function
The industrial continuous fryer features an automatic longitudinal scraping system designed to efficiently remove residue from the frying oil, thereby reducing contamination. The system uses a longitudinal mechanism to collect the residue, which is then pushed forward into a collection cart. This function can be conveniently controlled using a handheld wired remote control.
13. Accessories
The industrial continuous fryer itself is equipped with some spare parts, but the customer purchased more accessories for long-term use. The customer acquired an additional 30 polytetrafluoroethylene plates, along with a set of M-convex mesh belts and a set of type B mesh belts. Additionally, we provided a CE-standard motor and a stainless steel cable placement groove.
III. De-oil Mesh Belt Machine
After frying, the product will be transported to the spiral freezer via the mesh belt machine for freezing. The machine is designed to measure 2 meters in length and 0.5 meters in width to accommodate the spiral freezer. To enhance the effectiveness of oil and water removal, we have installed two wind knife oil removal fans, ensuring efficient extraction. To prevent any spillage of oil and water that could affect the workshop environment, we have included a matching tray beneath the mesh belt to collect any residue, waste, water, and oil.
Ⅳ.Machine Loading and Transportation
Once the industrial continuous fryer production line is completed, we carefully load it into containers for shipment. After loading, we securely wrap and fasten the machinery with wire to ensure its integrity and safety during transit, guaranteeing that it arrives intact and undamaged.
The feeding conveyor, industrial continuous fryer, and de-oil belt conveyor combination enables a more automated production process with minimal manual intervention. Our highly customizable design can be tailored to meet the specific needs and considerations of our clients, taking into account location and various other factors.
For any food manufacturer looking to streamline their production process while delivering high-quality fried foods, industrial fryers represent a valuable investment. If you’re ready to transition within the fried food industry, this combination line is an essential choice. Please contact us to discuss your custom machine design and obtain a personalized quotation.
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