Tunnel type quick-freezing machine is an effective, energy-saving and multi-purpose quick-freezing equipment. Tunnel quick-freezing machine is a single quick-freezing machine with advanced design and good performance, which has the advantages of energy saving, high degree of automation, stable and reliable performance. This quick-freezing machine is widely used in quick-freezing strip, block or pellet food, such as shrimp, fish fillet, dumplings, spring rolls, meat, chicken, asparagus, potato, etc., with the characteristics of energy saving, health, easy cleaning and maintenance, has been widely used by many domestic food manufacturers, providing a new generation of quick-freezing machine with a new concept for food monomers. Structural features: 1. Simple structure, convenient operation, long service life. 2. The imported equipment and stainless steel spring wire are pressed, the surface is flat, and the width of the mesh belt can be selected according to the requirements. 3. Adopt heat wave blowing mode, high freezing efficiency. 4. According to the production requirements, single and double mesh belt combination can be selected. 5. Use water to flush frost to ensure cleanliness and hygiene. 6. Imported inverter to achieve stepless speed regulation, frozen products freezing time can be adjusted continuously according to needs, can adapt to a variety of frozen products processing. 7. The library body adopts rigid polyurethane foam, good thermal insulation performance, the inner and outer envelope and the outer bracket of the library are stainless steel, easy to clean.