The tunnel freezing machine is a kind of food quick-freezing device with a mature structure and stable performance.
- Its transmission structure is simple: the feeding and discharging position are low and convenient, easy to discharge.
- The professional tunnel freezer is specially designed for making frozen potato chips, patties, cut meat, fish and other seafood, etc.
- It is an efficient freezing device that can freeze a large number of products in a short period of time, and the center temperature of the quick-freezing products reaches -18℃ so that no nutrient components are lost and the product’s appearance does not change color.


1. Raw material
The tunnel freezer for french fries is made of SUS304 stainless steel, according to the HACCP requirements to design and produce, in line with international food health standards.
2. Special cold storage door
Cold storage door adopts special cold storage door, low-temperature resistance, aging resistance, oil resistance seal strip seal, seal tight.
3. Inside of freezer
- Quick-frozen area frame structure, inner bracket, Air Duct Plate, Mesh Belt, large connecting plate, guide rail, and other parts are made of food-grade 304 drawings stainless steel (except motor and reducer); outer bracket is made of 201 stainless steel.
- Under Mesh Belt and guide rail slide contact friction parts are all made of ultra-high polymer polyethylene material;
- For convenient drainage to extend the service life of the reservoir, the direction of the drainage mouth in the reservoir big-water plate has a certain slope; d belt camshaft device using stainless steel shaft plus ultra-high Polymer Cam, chain drive, frequency control speed.
4. Driving motor
Siemens double-speed reducer with high quality and stable operation.
5. Evaporator and Fan
- Made of all aluminum anti-rust Aluminum Alloy evaporator, large fins, variable pitch,flanging high, ensure good heat transfer effect, easy cleaning; evaporator Shell is made of stainless steel;
- With a high-power and large air volume centrifugal fan, the motor shell is made of stainless steel. Low temperature, moisture and waterproof motor, high efficiency, low energy-saving noise, smooth operation.
6. In and out of the freezer
The boards In and out of the freezer are made of food-grade 304 wire-drawing stainless steel, to ensure the safety and hygiene of the food produced.
7. Electric Control Part
- Stainless steel 304 electric control box, waterproof and dustproof, electric components are French Schneider brand, stable quality, reliable performance, digital display temperature, easy to operate and control.
- Mesh Belt Operation Speed control using German Siemens inverter control, frozen time can be adjusted arbitrarily.

Freezing fan

Low-speed conveyor

Blast-freezing refrigeration tube

Switch controller

Vibration shaker and the mesh belt

Thermometer
Model | Tunnel body length | Power(HP) |
TKSD-100 | 8000mm* mesh belt width 1000mm | 20 |
TKSD-200 | 10000mm*mesh belt width 1200mm | 20*2 |
TKSD-300 | 11000mm*mesh belt width 1500mm | 30*2 |
TKSD-400 | 11500mm*mesh belt width 1500mm | 30*2 |
TKSD-500 | 11500mm*2*mesh belt width 1500mm | 50P parallel connection |
TKSD-800 | 10000mm*3*mesh belt width 1500mm | 30*3 |
TKSD-1000 | 11500mm*3*mesh belt width 1500mm | 50*3 |
TKSD-2000 | 11500mm*4*mesh belt width 1500mm | 50P parallel connection *2 |
The instant tunnel freezer for meat can freeze french fries, kinds of fruit &vegetables, meat, seafood, beans, chicken paw, chicken wing, steamed buns, dumplings, green peas, mushroom, broccoli, carrots, corn, strawberry, tomatoes (slices or cubes), etc.
- Fruits & vegetables
- Seafood
- Meat & poultry
- Dairy products
- Convenience food
