Chongqing refrigerated trucks are mainly used for transporting fresh meat, vegetables, seafood, etc. The refrigerated truck body adopts assembly technology, and the plate adopts a fully plastic fully enclosed composite structure. The inner and outer wall panels are made of good fiberglass or alloy anti rust aluminum plates and stainless steel plates.

The interlayer is made of polyurethane foam insulation material, and the plate is bonded with high-strength glue and riveted with aluminum alloy profiles. Low temperature insulation sealing strips are installed between the vehicle body and the door body. The door lock structure adopts standard box type stainless steel parts. Car panels are seamless, smooth in appearance, easy to clean, impact resistant, and corrosion-resistant.

The main reason for the deterioration of aquatic products by refrigerated truck manufacturers is the growth and reproduction of microorganisms contained in the aquatic products themselves or contaminated during storage and transportation under suitable conditions, which decompose proteins, amino acids, fats and other components in fish bodies and produce odors.

And toxic substances. Causing the deterioration of aquatic products; On the other hand, the enzymes contained in aquatic products themselves can promote the spoilage of fish under certain environmental conditions. In the storage and transportation process of refrigerated trucks, it is necessary to ensure the quality of aquatic products and achieve the purpose of preservation by controlling these two factors well.

The environmental conditions such as temperature and humidity are closely related to the growth and reproduction of microorganisms. Water is an essential substance for microbial life activities and is a fundamental component of the body. The more water in aquatic products, the easier it is for microorganisms to reproduce.

It is generally believed that when the moisture content is above 50%, microorganisms can grow and reproduce; When the moisture content is below 30%, microbial reproduction begins to be inhibited; When the moisture content is below 12%, microbial reproduction becomes difficult.

Temperature is an important condition for the growth and reproduction of microorganisms. The suitable growth temperature for various microorganisms is different. If it exceeds the suitable growth temperature range, it will stop growing or die. The function of enzymes is also closely related to temperature. At around 37 ℃, undergraduate students have strong decomposition ability and fast chemical reactions.

As the temperature increases, the decomposition ability increases, and when the temperature exceeds some range, the enzyme begins to be destroyed. Therefore, lowering the temperature can cause microorganisms to stop reproducing or even die, weaken or lose enzymatic hydrolysis ability, and prolong the shelf life of aquatic products.