for the processing of quick-frozen lettuce, quick-frozen shanghai greens and other vegetables, it is generally recommended to choose professional quick-freezing equipment.

such as quick-freezing tunnel or quick-freezing chamber. these devices usually have the following characteristics:

1. appropriate quick-freezing temperature: quick-frozen lettuce, quick-frozen shanghai greens and other vegetables generally need to be quick-frozen at a lower temperature.

usually the quick freezing temperature is required to be below -18 degrees celsius. therefore, quick freezing equipment needs to be able to provide a stable low-temperature environment.

2. efficient quick-freezing performance: quick-freezing equipment needs to have efficient quick-freezing performance and can quickly cool vegetables to the required quick-freezing temperature.

and keep it at low temperature for a certain period of time to ensure the quality of the product.

3. large capacity and high production capacity: considering the production scale and demand, choose quick freezing equipment with sufficient capacity and production capacity to meet the needs of daily production.

4. adjustable quick-freezing parameters: quick-freezing equipment should have adjustable quick-freezing parameters to adapt to the processing needs of different types of vegetables and ensure appropriate quick-freezing treatment of different vegetables.

5. hygienic safety: quick freezing equipment should meet hygienic standards and be easy to clean and disinfect to ensure product safety and hygiene.

in summary, for the processing of quick-frozen lettuce, quick-frozen shanghai greens and other vegetables, it is recommended to choose vegetables with suitable quick-freezing temperature, efficient quick-freezing performance, large capacity and high productivity, adjustable parameters,

hygienic and safe quick freezing equipment to ensure product quality and production efficiency. when selecting equipment, you can communicate with the supplier to learn more about the performance and technical parameters of the equipment in order to make an appropriate choice.