spiral freezer
We designed and manufactured spiral freezer using today’s advanced technology, in strict accordance with the requirements of HACCP, breaking the foreign similar equipment monopoly market situation for a long time, and provides multiple choices for customers. This series of products are widely used in all kinds of food processing, production capacity 200 kg/h – 6000 kg/h, can according to customer’s actual requirements and space limitation of non-standard design and manufacture.
Product features
* Compact structure, cover a small area.
* Big freeze capacity, give full play to the characteristics of the spiral drum structure.
* Using precision machined part, to ensure that the overall performance of the equipment.
* Mesh belt is made from high strength material, improve the service life and stability of the equipment.
The insulated storage body is a double-sided stainless steel high-density polyurethane insulation board, and the bottom plate of the library is an integrally welded stainless steel water tank. The internal polyurethane is high-pressure foaming machine for high-pressure filling foaming. The filling capacity is ≥42kg/m3, and the thickness of the plate is S=120mm. All the seam joints are sealed with special glue when the whole assembly is assembled, which avoids the cold running of the equipment library.

Reasonable maintenance access door for the maintenance and maintenance is designed to prevent the adhesion of the protective door seal during use. The electric heating device with a safe voltage is designed around the door frame, and the inside of the door is anti-lock. safety equipment.
Stainless steel elevated frame will be placed underneath the cooler as an airbarrier between cooler and concrete floor. The investment on cold-resistant foundation can be saved with base frame.

- Evaporator
2.1. All stainless steel frame, aluminum tube aluminum fin structure.
2.2. The fin with its own air floccules structure, the tube shape is high-flanged, and the plum-shaped arrangement of the tube hole makes the evaporation efficiency better and the cleaning is more convenient and quick.
2.3. The advanced expansion process is adopted to make the flange and the evaporation tube tightly combined, and the heat transfer speed is faster.
2.4. The advanced liquid supply method of side supply side return is adopted, and the liquid supply is throttled. The liquid supply is more uniform, the liquid extraction and water defrosting are more rapid, the heat exchange efficiency is high, and the cooling rate is fast.
2.5. The evaporator is factory tested for 24kg/cm3, and the nitrogen is kept for 24 hours.
2.6. The ventilation system uses a centrifugal fan to fully seal the low temperature moisture-proof and water proof motor. It has high efficiency, energy saving, low noise and stable operation. The fan blades are aluminum alloy impellers and all stainless steel air cylinders. The wind is sent back smoothly, and the wind speed required for quick freezing is achieved with a small fan power.
2.7. The diameter of the evaporation tube is φ25×2.2, the thickness of the fin is 0.40mm, and the double flange is used. The height of the flange is up to 10mm. The thick fins simultaneously improve the cold and heat exchange path and press into the regular concave and convex pattern, which greatly improves the strength of the fin. Lodging. The evaporation tube is densely packed.

- Mesh Belt
Mesh belt adopts precision food grade stainless steel conveyor chain, spiral stainless steel spring wire, the end is fixed by fusion welding, unique inner shrinkable mesh belt. High-strength stainless steel mesh with struts, free-disconnecting connection structure. The surface is flat and beautiful, and has a long service life.

- Electrical Control Part
4.1. The electrical control box is made of stainless steel.
4.2. The main components are Schneider brand.
4.3. Mesh belt operation adopts variable frequency power supply control, and the belt speed can be adjusted steplessly.
4.4. The description: The entire electrical control system is easy to operate and stable.
- mature electrical circuit design and reasonable wiring
- select well-known brand electrical components, reliable performance
- with reliable equipment operation fault detection, display, alarm device
- with a safety circuit to ensure the operator’s personal safety
- install dehumidification and moisture-proof device in the electric control cabinet to ensure the internal electrical components are dry and prolong the service life.

- Reliable Transmission System
The main driver provides all the driving forces necessary to run the conveyor belt around the support and operate the system. New type gear reducer with high efficiency and long service life.
The auxiliary drive is generally used as a tensioning device, which controls the power transmission between the bracket and the conveyor belt, making the net belt run more stable.
The structural parts of the main drive chain wheel, bearing and bearing pedestal are made of stainless steel.
All of the roller, drum, guide rail is made of super – high molecular polyethylene material, durable.
- Air Flow
Horizontal air flow ensures higher density of products, more efficient heat transfer while lower energy consumption.
Annular air flow duct: Best air flow and guarantees even product temperature.
Balanced air pressure inside structure, less cold loss at outlet end

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Technology Parameter
NO.
Item
Data
1
Model
DLD-164210
2
Production
Chocolate Ball
3
Capacity
113kg/h
4
Overall Dimension
5500*3800*2920mm
5
Belt Length
92m
6
Belt Width
420mm (valid 350mm)
7
Belt Layers
10
8
Production Clearance
100mm
9
Inlet Length
1200mm
10
Outlet Length
500mm
11
Inlet/Outlet Mode
Low Inlet and High Outlet
12
Cooling Time
60 min
13
Cooling Temperature
-10°C
14
Cold Consumption
35kw
15
Working Condition
-10°C /+35°C
16
Refrigeration
R507A
17
Install Power
8kw
18
Insulation Library
120mm, 43kg/m2
Part configuration
Item
Component
Configuration and Characteristics
Production
Item
Chocolate Ball
Capacity
113kg/h
Freezing Method
Naked
Description
Overall Dimension
5500*3800*2920mm
Production Clearance
100mm
Inlet Length
1200mm
Outlet Length
500mm
Transfer Type
0° inlet and outlet
Belt
Belt Material
SUS304
Belt Width
420mm (valid 350mm)
Belt Length
92m
Belt Layer
10
Belt Diameter
1.5mm
Belt Pitch
8mm
Rod Diameter
Φ5mm
Chain Pitch
30mm
Drive System
Drum Diameter
1600mm
Drive Motor
1.1kw*1set
Tension Motor
0.75kw*1set
Motor Brand
Tyrone/SEW
Insulation Library
Library Body Thickness
120mm
Library Plate Thickness
SUS304 0.6mm
Bottom Sink Panel
SUS304 material integral welding sink (thickness 3mm)
Library Material
Double-sided 304 stainless steel, double-sided 0.6mm stainless steel surface, internal polyurethane foam, covered with stainless steel welded whole sink on the bottom panel
Drainage Point
The internal gutter is arranged to be discharged according to the actual site conditions
Insulation Door
Thickness 100mm, distribution heating
Flashlight
Waterproof lighting inside the library
Internal Windshield
304 stainless steel ring windshield
Maintenance Access
Maintenance access for easy access
Filling Density
≥42kg/m3
Platform
Supplier provides the concrete foundation map, prepared by buyer
Evaporator
Evaporation Tube
Aluminum alloy, diameter 25mm
Tube Wall Thickness
2.2mm
Fin Material
Aluminum, thickness 0.4mm, barrel flange height 10mm
Frame
SUS304 material
Liquid Supply Method
Horizontal side supply side back, throttling liquid supply
Refrigeration
R507A
Defrosting
Water
Defrosting Water Pipe
Diameter 63mm
Defrosting Water Quantity
10 ton/h
Defrosting Time Interval
16-24h
Axial Fan
Power
3kw*2sets
Impeller
Aluminum alloy
Air Duct
SUS304 material
Electrical Control System
Electric Control Box
SUS304 material
Control System
PLC centralized control system, man-machine interface, touch screen control, Chinese/English display
Electrical Component Brand
Schneider Electric
Protective Device
Belt is too long, too short protection
Prevent tumbling protection
Emergency stop button
IP55
Material
Evaporator Frame
75*75*2/40*40*1.5 SUS304 tube
Windshield
30*30*1.2 tube/1.2mm plate
Drum
40*40*1.5 SUS304 tube
Refrigeration System

Technology Parameter
No.
Item
Data
1.
Brand
Bitzer
2.
Unit Model
BL-114
3.
Compressor Model
4NES-14Y-40P
4.
Compressor Quantity
1
5.
Refrigeration
R507A
6.
Cooling Method
Air Cooling
7.
Evaporation Temperature
-10°C
8.
Condensation Temperature
+35°C
9.
Refrigeration Capacity
42.9kw
10.
Input Power
13.62kw
