1459 yuan.
Controlled atmosphere cold storage, with constant temperature, is used to preserve freshness, especially fruits; unlike general cold storage, this type of cold storage releases various gases in proportion, such as sufficient oxygen. Because fruits need to breathe, the gas should be maintained according to the characteristics of fruit breathing. This is the air conditioning library.
Construction cost of air-conditioned warehouse:
For large air-conditioned warehouses, the standard is that they should include a pre-cooling room, an air-conditioned refrigeration room and a second-floor technical corridor. Let’s take a closer look at the specifics of these workshops.
Pre-cooling is the most important technical link in the controlled atmosphere preservation technology, and the pre-cooling room is the most critical component of the entire controlled atmosphere warehouse. Only fruits and vegetables that are pre-cooled in time can enter the dormant state as soon as possible and avoid water loss and premature ripening during long-term storage. We need to fully understand the characteristics of different fruits and vegetables in order to design a pre-cooling room that meets their preservation rules. Take garlic sprouts as an example. When maintaining garlic sprouts in controlled atmosphere, the pre-cooling time is required to be 24 hours. Only when the fruit temperature drops to 0℃ can it be kept fresh for 10 months. We can design the corresponding pre-cooling room based on this characteristic.
Pre-cooled fruits and vegetables are stored in a controlled atmosphere refrigeration room. They only need to maintain normal refrigeration temperature to keep them fresh for a long time. In principle, controlled atmosphere can be implemented as long as the fruit reaches normal refrigeration temperature.
It is very important to equip the second-floor technical corridor, which is not only used to house refrigeration equipment and air conditioning equipment, but also facilitates observation and sampling at any time through the second-floor observation window.
Controlled atmosphere storage, also known as controlled atmosphere storage, is the most advanced fruit and vegetable preservation method today. It is based on refrigeration and adds gas component regulation. By controlling conditions such as temperature, humidity, carbon dioxide, oxygen concentration, and ethylene concentration in the storage environment, it inhibits the respiration of fruits and vegetables, slows down their metabolic process, and better keeps fruits and vegetables fresh. degree and commerciality, extending the storage period and freshness period (sales shelf life) of fruits and vegetables. Usually, controlled atmosphere storage can extend the storage period by 0.5-1 times compared with ordinary refrigeration; the fruits and vegetables stored in the controlled atmosphere warehouse first "wake up" from the "dormant" state after leaving the warehouse, which shortens the shelf life of the fruits and vegetables after leaving the warehouse. It can be extended for 21~28 days, which is 3~4 times longer than that of ordinary cold storage.