A high-performance Chocolate Enrober Machine is the cornerstone of modern industrial confectionery manufacturing, enabling precise mass production with uncompromised aesthetic and textural quality. Shanghai Papa Industrial Equipment Co., Ltd. has officially unveiled its flagship 1300kg/h Chocolate Enrober Machine Air Cooling Pocky Sticks Double Coating Production Line. Engineered specifically to tackle high-volume output demands while maintaining rigorous coating precision, this advanced processing system sets a new standard for processing stick biscuits, wafers, nuts, and extruded snacks. Featuring an integrated double-coating mechanism, a state-of-the-art jacketed chocolate delivery system, and a multi-zone air cooling tunnel, the 1300kg/h line empowers food manufacturers to double their output efficiency while reducing raw material waste and energy consumption. By seamlessly automating every phase from product alignment and double dipping to rapid thermal stabilization, Papa Industrial provides a comprehensive turnkey solution designed to optimize profit margins, eliminate throughput bottlenecks, and deliver consistent, high-shine finished products for global market distribution.
An industrial Chocolate Enrober Machine is a specialized, fully automated food processing system engineered to apply an even, controlled layer of tempered chocolate, compound coating, or liquid confectionery mass onto various base food substrates. In high-speed commercial production, such as the manufacture of chocolate-dipped biscuit sticks (famously known as Pocky sticks), granola bars, molded wafers, or baked goods, achieving a flawless outer shell requires precise mechanical engineering and exact thermodynamic control.
The 1300kg/h double coating production line is a complete, continuous processing system constructed primarily from heavy-duty food-grade SUS304 stainless steel. The system consists of several integrated sub-assemblies:
Precision Wire Mesh Conveyor Belt: A variable-speed stainless steel mesh belt transports base products through the coating station without disrupting product alignment or sticking.
Jacketed Chocolate Mass Tank & Recirculation Pump: Equipped with electric heating elements and double-walled water jackets, this station maintains chocolate mass at precise tempering temperatures, preventing crystal degradation or premature solidification.
Curtain Waterfall & Bottoming Station: A double-waterfall distributor generates a smooth, continuous liquid curtain through which products pass. Simultaneously, an adjustable bottoming roller coats the underside of products or leaves them uncoated based on recipe parameters.
Pneumatic Air Blower & Mechanical Vibrator: Located immediately after the waterfall, high-velocity adjustable air knives blow off excess chocolate mass to adjust coating thickness accurately to within tenths of a millimeter, while mechanical mesh vibrators remove air bubbles and smooth the surface.
Intermediate and Main Air Cooling Tunnels: Utilizing closed-loop refrigeration with hermetic compressors and forced-air circulation, these multi-zone insulated tunnels rapidly lower the temperature of the chocolate coating from roughly 30°C–32°C down to 4°C–10°C to lock in fat crystals, prevent bloom, and establish a firm snap.
Double-Coating Module: Uniquely optimized for products like Pocky sticks, this configuration routes the product through a dual-stage enrobing sequence. A primary base coat is applied and partially chilled before a secondary layer (such as contrasting dark, white, milk chocolate, or flavored compound with crushed nut inclusions) is layered over it, producing premium multi-layered treats at massive throughput rates.
Commercial confectionery processing is driven by stringent margins, high raw material costs, and intense consumer demand for visual perfection. Traditional or lower-tier coating setups present significant operational hurdles that eat into profitability and brand reputation:
Coating Inconsistency & Weight Fluctuation: Inaccurate temperature control or uneven air blower pressure leads to varying coating thickness across production batches. Over-coating wastes expensive cocoa butter and chocolate mass, while under-coating results in exposed biscuit surfaces and customer rejections.
Fat Bloom & Dull Finish: Improper cooling gradient inside non-specialized cooling channels causes liquid fats to migrate to the product surface as they solidify. This produces a greyish, chalky white film known as fat bloom, destroying product shelf appeal and texture.
Throughput Bottlenecks: Standard small-scale enrobers max out at a few hundred kilograms per hour, forcing large producers to run multiple parallel lines, which vastly increases floor space requirements, energy bills, and labor overhead.
Product Fragility & Breakage: Delicate baked goods like long thin Pocky biscuit sticks break easily during automated transfers if the wire belt tension, transition zones, and vibration frequencies are not meticulously tuned.
By investing in the Papa Industrial 1300kg/h Chocolate Enrober Machine, manufacturers unlock four core strategic advantages:
Unrivaled Scale & Production Efficiency: With a maximum capacity of 1,300 kilograms per hour, this production line transforms large-scale operations. It reduces the footprint required to achieve high-volume quotas, allowing producers to consolidate labor and streamline factory floor logistics.
Advanced Temperature & Viscosity Management: Featuring multi-stage PID micro-processor temperature regulators and jacketed water circulation tanks, the machine continuously holds chocolate at optimal dipping viscosity. The integrated de-crystallization and tempering stability ensure that every square millimeter of the substrate receives an identical coating mass.
Superior Double-Coating & Decorative Versatility: The specialized double-coating architecture allows factories to produce complex, high-margin items on a single line. Manufacturers can apply a base cocoa coat followed by a flavored topcoat, or dip biscuit sticks halfway (Pocky style) with clean, sharp margin lines, accommodating granola bars, protein bars, donuts, biscuits, and extruded snacks alike.
Energy-Efficient Air Cooling with Zero-Bloom Guarantee: The heavy-duty insulated air cooling tunnel incorporates precise air velocity ducts and evaporator units. By controlling humidity and maintaining a gentle cooling curve, fat molecules solidify into stable Beta-V crystals, producing a deep gloss, crisp snap, and extended shelf life free of fat bloom.
To understand how the Papa Industrial 1300kg/h double coating line operates in high-volume food processing plants, let us examine its step-by-step engineering execution and technical parameters.
Biscuit sticks or baked bases arrive via high-speed alignment belts. The system arranges raw materials into uniform, parallel lanes matching the width of the wire mesh belt (available in standard industrial widths such as 800mm, 1000mm, or 1200mm). Gentle mechanical guides prevent delicate Pocky sticks from colliding or overlapping.
As products pass under the first enrobing head, a continuous, pulse-free pump draws liquid chocolate from the double-jacketed holding tank and pushes it through a adjustable curtain nozzle.
Full Coating: The product is completely submerged in a dual-stream curtain.
Partial/Stick Dipping: The curtain width or product position is adjusted so that handle areas (such as the bare end of a Pocky stick) remain completely untouched.
Bottoming Unit: A bottom roller applies chocolate to the underside of the item, while a tailing rod eliminates drips and trailing threads at the discharge end.
Immediately after exiting the liquid curtain, the wire mesh belt carries the coated items beneath an adjustable centrifugal air knife. The operator adjusts blower speed, air angle, and distance via the main touchscreen interface. High-velocity air strips away excess mass, driving it back into the sump below for continuous filtration and recirculation. Mechanical pneumatic shakers underneath the wire belt apply gentle vertical micro-vibrations to settle the chocolate, eliminating surface air bubbles and producing a mirror-smooth top surface.
For complex products requiring two distinct layers, the substrate enters a brief intermediate chilling tunnel to set the primary coat surface. It then immediately passes into the second enrobing station. Here, a second liquid curtain applies a complementary chocolate formula, colored compound, or textured glaze (such as almond-infused milk chocolate).
The coated products transition smoothly from the wire belt onto a food-grade PU conveyor belt inside the main cooling tunnel. The tunnel length (typically 12 to 24 meters depending on factory speed and space constraints) is partitioned into distinct thermal zones:
Entrance Zone (12°C to 15°C): Gently lowers product temperature to prevent thermal shock and surface cracking.
Core Solidification Zone (4°C to 8°C): High-efficiency evaporators and laminar air blowers rapidly draw heat out of the chocolate, solidifying the fat matrix.
Exit Zone (10°C to 12°C): Slightly warms the air relative to the core zone to bring the product above ambient dew point, preventing condensation moisture from forming on the finished product upon exit.
Production Capacity: Up to 1,300 kg/hour (dependent on product mass and viscosity)
Conveyor Belt Width Options: 600 mm / 800 mm / 1000 mm / 1200 mm / 1400 mm
Structural Material: Frame, tanks, covers, mesh, and shafts in food-grade SUS304 Stainless Steel
Cooling Tunnel Temperature: Adjustable from 4°C to 10°C (39°F to 50°F)
Refrigeration Compressors: Copeland / Bitzer heavy-duty commercial units
Heating & Water Circulation: Electric jacketed heating with digital PID temp controllers
Control System Integration: Siemens / Schneider PLC with multi-language color touchscreen HMI
Conveyor Speed Range: 2 to 10 meters/minute (variable frequency speed control)
The Papa Industrial Chocolate Enrober Machine achieves a continuous production throughput of up to 1300 kg/h. Actual output varies based on belt width, product dimensions, conveyor speed, and required coating mass per unit.
Yes, this machine features specialized dual-stage enrobing heads and intermediate cooling zones. It allows manufacturers to apply two distinct chocolate or compound layers cleanly on Pocky-style biscuit sticks, including bottoming, half-dipping, or full-dipping styles.
The multi-zone cooling tunnel regulates air velocity, humidity, and temperature precisely between 4°C and 10°C. This controlled thermal gradient ensures ideal Beta-V fat crystallization, producing a high-gloss finish, crisp structural snap, and long-term bloom resistance.
Absolute customizability is available. Conveyor belt widths (from 600mm to 1400mm), cooling tunnel lengths, corner turn-conveyors, and automated feeding modules can be tailored to match your specific production hall layout and throughput targets.
All product contact surfaces, mesh belts, holding tanks, pumps, and structural frames are constructed from high-grade SUS304 stainless steel, complying fully with international CE, HACCP, and GMP sanitary standards for modern food processing plants.
The system features quick-release wire mesh assemblies, wash-down-rated electrical enclosures, and roll-out jacketed mass tanks. Operators can easily drain remaining chocolate, flush recirculation lines, and switch recipes with minimal production downtime.
The Shanghai Papa Industrial 1300kg/h Chocolate Enrober Machine Air Cooling Pocky Sticks Double Coating Production Line represents a major technological leap for commercial confectionery processing. By integrating high-capacity dual enrobing stations, precision temperature management, adjustable air stripping, and advanced multi-zone air cooling, this line solves chronic industry challenges including fat bloom, coating weight variations, and output bottlenecks. Whether producing double-dipped biscuit sticks, energy bars, or gourmet baked snacks, food manufacturers can rely on this robust SUS304 system to maximize yield, safeguard product quality, and significantly reduce operational overhead.
Are you ready to scale your throughput to 1300kg/h and elevate your product quality with market-leading coating technology?
Contact Shanghai Papa Industrial Equipment Co., Ltd. now:
Request a Free Quote & Technical Consultation: Speak directly with our senior application engineers to design a layout customized to your facility.
Download Our Comprehensive Product Catalog: Discover our complete line of enrobers, cooling tunnels, extruders, and automated packaging systems.
Schedule a Live Equipment Demonstration: Test your custom recipes and base products on our laboratory machinery.
A high-performance Chocolate Enrober Machine is the cornerstone of modern industrial confectionery manufacturing, enabling precise mass production with uncompromised aesthetic and textural quality. Shanghai Papa Industrial Equipment Co., Ltd. has officially unveiled its flagship 1300kg/h Chocolate Enrober Machine Air Cooling Pocky Sticks Double Coating Production Line. Engineered specifically to tackle high-volume output demands while maintaining rigorous coating precision, this advanced processing system sets a new standard for processing stick biscuits, wafers, nuts, and extruded snacks. Featuring an integrated double-coating mechanism, a state-of-the-art jacketed chocolate delivery system, and a multi-zone air cooling tunnel, the 1300kg/h line empowers food manufacturers to double their output efficiency while reducing raw material waste and energy consumption. By seamlessly automating every phase from product alignment and double dipping to rapid thermal stabilization, Papa Industrial provides a comprehensive turnkey solution designed to optimize profit margins, eliminate throughput bottlenecks, and deliver consistent, high-shine finished products for global market distribution.
An industrial Chocolate Enrober Machine is a specialized, fully automated food processing system engineered to apply an even, controlled layer of tempered chocolate, compound coating, or liquid confectionery mass onto various base food substrates. In high-speed commercial production, such as the manufacture of chocolate-dipped biscuit sticks (famously known as Pocky sticks), granola bars, molded wafers, or baked goods, achieving a flawless outer shell requires precise mechanical engineering and exact thermodynamic control.
The 1300kg/h double coating production line is a complete, continuous processing system constructed primarily from heavy-duty food-grade SUS304 stainless steel. The system consists of several integrated sub-assemblies:
Precision Wire Mesh Conveyor Belt: A variable-speed stainless steel mesh belt transports base products through the coating station without disrupting product alignment or sticking.
Jacketed Chocolate Mass Tank & Recirculation Pump: Equipped with electric heating elements and double-walled water jackets, this station maintains chocolate mass at precise tempering temperatures, preventing crystal degradation or premature solidification.
Curtain Waterfall & Bottoming Station: A double-waterfall distributor generates a smooth, continuous liquid curtain through which products pass. Simultaneously, an adjustable bottoming roller coats the underside of products or leaves them uncoated based on recipe parameters.
Pneumatic Air Blower & Mechanical Vibrator: Located immediately after the waterfall, high-velocity adjustable air knives blow off excess chocolate mass to adjust coating thickness accurately to within tenths of a millimeter, while mechanical mesh vibrators remove air bubbles and smooth the surface.
Intermediate and Main Air Cooling Tunnels: Utilizing closed-loop refrigeration with hermetic compressors and forced-air circulation, these multi-zone insulated tunnels rapidly lower the temperature of the chocolate coating from roughly 30°C–32°C down to 4°C–10°C to lock in fat crystals, prevent bloom, and establish a firm snap.
Double-Coating Module: Uniquely optimized for products like Pocky sticks, this configuration routes the product through a dual-stage enrobing sequence. A primary base coat is applied and partially chilled before a secondary layer (such as contrasting dark, white, milk chocolate, or flavored compound with crushed nut inclusions) is layered over it, producing premium multi-layered treats at massive throughput rates.
Commercial confectionery processing is driven by stringent margins, high raw material costs, and intense consumer demand for visual perfection. Traditional or lower-tier coating setups present significant operational hurdles that eat into profitability and brand reputation:
Coating Inconsistency & Weight Fluctuation: Inaccurate temperature control or uneven air blower pressure leads to varying coating thickness across production batches. Over-coating wastes expensive cocoa butter and chocolate mass, while under-coating results in exposed biscuit surfaces and customer rejections.
Fat Bloom & Dull Finish: Improper cooling gradient inside non-specialized cooling channels causes liquid fats to migrate to the product surface as they solidify. This produces a greyish, chalky white film known as fat bloom, destroying product shelf appeal and texture.
Throughput Bottlenecks: Standard small-scale enrobers max out at a few hundred kilograms per hour, forcing large producers to run multiple parallel lines, which vastly increases floor space requirements, energy bills, and labor overhead.
Product Fragility & Breakage: Delicate baked goods like long thin Pocky biscuit sticks break easily during automated transfers if the wire belt tension, transition zones, and vibration frequencies are not meticulously tuned.
By investing in the Papa Industrial 1300kg/h Chocolate Enrober Machine, manufacturers unlock four core strategic advantages:
Unrivaled Scale & Production Efficiency: With a maximum capacity of 1,300 kilograms per hour, this production line transforms large-scale operations. It reduces the footprint required to achieve high-volume quotas, allowing producers to consolidate labor and streamline factory floor logistics.
Advanced Temperature & Viscosity Management: Featuring multi-stage PID micro-processor temperature regulators and jacketed water circulation tanks, the machine continuously holds chocolate at optimal dipping viscosity. The integrated de-crystallization and tempering stability ensure that every square millimeter of the substrate receives an identical coating mass.
Superior Double-Coating & Decorative Versatility: The specialized double-coating architecture allows factories to produce complex, high-margin items on a single line. Manufacturers can apply a base cocoa coat followed by a flavored topcoat, or dip biscuit sticks halfway (Pocky style) with clean, sharp margin lines, accommodating granola bars, protein bars, donuts, biscuits, and extruded snacks alike.
Energy-Efficient Air Cooling with Zero-Bloom Guarantee: The heavy-duty insulated air cooling tunnel incorporates precise air velocity ducts and evaporator units. By controlling humidity and maintaining a gentle cooling curve, fat molecules solidify into stable Beta-V crystals, producing a deep gloss, crisp snap, and extended shelf life free of fat bloom.
To understand how the Papa Industrial 1300kg/h double coating line operates in high-volume food processing plants, let us examine its step-by-step engineering execution and technical parameters.
Biscuit sticks or baked bases arrive via high-speed alignment belts. The system arranges raw materials into uniform, parallel lanes matching the width of the wire mesh belt (available in standard industrial widths such as 800mm, 1000mm, or 1200mm). Gentle mechanical guides prevent delicate Pocky sticks from colliding or overlapping.
As products pass under the first enrobing head, a continuous, pulse-free pump draws liquid chocolate from the double-jacketed holding tank and pushes it through a adjustable curtain nozzle.
Full Coating: The product is completely submerged in a dual-stream curtain.
Partial/Stick Dipping: The curtain width or product position is adjusted so that handle areas (such as the bare end of a Pocky stick) remain completely untouched.
Bottoming Unit: A bottom roller applies chocolate to the underside of the item, while a tailing rod eliminates drips and trailing threads at the discharge end.
Immediately after exiting the liquid curtain, the wire mesh belt carries the coated items beneath an adjustable centrifugal air knife. The operator adjusts blower speed, air angle, and distance via the main touchscreen interface. High-velocity air strips away excess mass, driving it back into the sump below for continuous filtration and recirculation. Mechanical pneumatic shakers underneath the wire belt apply gentle vertical micro-vibrations to settle the chocolate, eliminating surface air bubbles and producing a mirror-smooth top surface.
For complex products requiring two distinct layers, the substrate enters a brief intermediate chilling tunnel to set the primary coat surface. It then immediately passes into the second enrobing station. Here, a second liquid curtain applies a complementary chocolate formula, colored compound, or textured glaze (such as almond-infused milk chocolate).
The coated products transition smoothly from the wire belt onto a food-grade PU conveyor belt inside the main cooling tunnel. The tunnel length (typically 12 to 24 meters depending on factory speed and space constraints) is partitioned into distinct thermal zones:
Entrance Zone (12°C to 15°C): Gently lowers product temperature to prevent thermal shock and surface cracking.
Core Solidification Zone (4°C to 8°C): High-efficiency evaporators and laminar air blowers rapidly draw heat out of the chocolate, solidifying the fat matrix.
Exit Zone (10°C to 12°C): Slightly warms the air relative to the core zone to bring the product above ambient dew point, preventing condensation moisture from forming on the finished product upon exit.
Production Capacity: Up to 1,300 kg/hour (dependent on product mass and viscosity)
Conveyor Belt Width Options: 600 mm / 800 mm / 1000 mm / 1200 mm / 1400 mm
Structural Material: Frame, tanks, covers, mesh, and shafts in food-grade SUS304 Stainless Steel
Cooling Tunnel Temperature: Adjustable from 4°C to 10°C (39°F to 50°F)
Refrigeration Compressors: Copeland / Bitzer heavy-duty commercial units
Heating & Water Circulation: Electric jacketed heating with digital PID temp controllers
Control System Integration: Siemens / Schneider PLC with multi-language color touchscreen HMI
Conveyor Speed Range: 2 to 10 meters/minute (variable frequency speed control)
The Papa Industrial Chocolate Enrober Machine achieves a continuous production throughput of up to 1300 kg/h. Actual output varies based on belt width, product dimensions, conveyor speed, and required coating mass per unit.
Yes, this machine features specialized dual-stage enrobing heads and intermediate cooling zones. It allows manufacturers to apply two distinct chocolate or compound layers cleanly on Pocky-style biscuit sticks, including bottoming, half-dipping, or full-dipping styles.
The multi-zone cooling tunnel regulates air velocity, humidity, and temperature precisely between 4°C and 10°C. This controlled thermal gradient ensures ideal Beta-V fat crystallization, producing a high-gloss finish, crisp structural snap, and long-term bloom resistance.
Absolute customizability is available. Conveyor belt widths (from 600mm to 1400mm), cooling tunnel lengths, corner turn-conveyors, and automated feeding modules can be tailored to match your specific production hall layout and throughput targets.
All product contact surfaces, mesh belts, holding tanks, pumps, and structural frames are constructed from high-grade SUS304 stainless steel, complying fully with international CE, HACCP, and GMP sanitary standards for modern food processing plants.
The system features quick-release wire mesh assemblies, wash-down-rated electrical enclosures, and roll-out jacketed mass tanks. Operators can easily drain remaining chocolate, flush recirculation lines, and switch recipes with minimal production downtime.
The Shanghai Papa Industrial 1300kg/h Chocolate Enrober Machine Air Cooling Pocky Sticks Double Coating Production Line represents a major technological leap for commercial confectionery processing. By integrating high-capacity dual enrobing stations, precision temperature management, adjustable air stripping, and advanced multi-zone air cooling, this line solves chronic industry challenges including fat bloom, coating weight variations, and output bottlenecks. Whether producing double-dipped biscuit sticks, energy bars, or gourmet baked snacks, food manufacturers can rely on this robust SUS304 system to maximize yield, safeguard product quality, and significantly reduce operational overhead.
Are you ready to scale your throughput to 1300kg/h and elevate your product quality with market-leading coating technology?
Contact Shanghai Papa Industrial Equipment Co., Ltd. now:
Request a Free Quote & Technical Consultation: Speak directly with our senior application engineers to design a layout customized to your facility.
Download Our Comprehensive Product Catalog: Discover our complete line of enrobers, cooling tunnels, extruders, and automated packaging systems.
Schedule a Live Equipment Demonstration: Test your custom recipes and base products on our laboratory machinery.
