Recently, the Ministry of housing and urban rural development issued the national standard "design standard for cold storage" No. gb50072-2021, which will be implemented from December 1, 2021. The standard complements and improves the division standard of fire compartment of cold storage (including prefabricated cold storage), and adds relevant regulations on the burning performance of warehouse thermal insulation materials and fire fighting of high-rise cold storage.

With the development of cold chain logistics industry, we should not be unfamiliar with cold storage. Cold storage is a kind of refrigeration equipment, which means to create an environment different from outdoor temperature or humidity by manual means. It is also a constant temperature and humidity storage equipment for food, liquid, chemical industry, medicine, vaccine, scientific experiment and other items. It plays an important role in cold chain logistics.

In fact, the cold storage is a kind of low-temperature refrigeration equipment, which has the same refrigeration principle with the refrigerator, but the area is much larger. In order to keep the room at low temperature and constant temperature, it must consume a lot of energy. The wall of the cold storage will also use thermal insulation materials to improve the thermal insulation performance of the wall.

The poor fire protection performance is a pain point of the current thermal insulation project. Like other buildings, the cold storage is also faced with the safety problem of poor fire protection performance of the thermal insulation layer. At the beginning of this year, a fire accident occurred in Jinan. Therefore, in addition to good thermal insulation performance, we should also pay attention to the combustion performance of thermal insulation materials.

VIP vacuum insulation board is a composite structural material composed of glass fiber cotton core, vacuum diaphragm and getter. Its thermal conductivity can reach 0.0025W / (m · K), and its thermal insulation performance is more than 10 times that of traditional materials. When the thermal insulation performance requirements are the same, it can greatly reduce the thickness of the thermal insulation layer and increase the storage space. It only needs less than 50mm to meet the thermal insulation effect of 150mm thick polyurethane. This can be applied not only in cold storage, but also in cold chain logistics equipment fields such as refrigerators, refrigerators and incubators.

In addition, the fire protection performance of VIP vacuum insulation board is also very good, up to class A, and the material is healthy and environmentally friendly. It can be said that the safety of application in cold storage is relatively high. At present, there have been many cold storage application cases.