Installation features and requirements for 200 tons of fresh-keeping cold storage

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Generally, the cold storage installation requirements are based on the thermal storage and storage process characteristics of the cold storage. In order to keep a certain low temperature in the cold storage, the walls, floors and flat tops of the cold storage are coated with a certain thickness of thermal insulation material to reduce the heat input from the outside. In order to reduce the radiant energy of the sun, the surface of the exterior wall of the cold storage is generally painted in white or light colors. Therefore, the cold storage building is different from the general industrial and civil buildings and has its unique structure.
Cold storage buildings should prevent the spread of water vapor and the penetration of air. When the outdoor air invades, it not only increases the cooling capacity of the cold storage, but also brings in water into the warehouse. The condensation of moisture causes the building structure, especially the thermal insulation structure, to be damaged by moisture, so it is necessary to provide a moisture-proof insulation layer to make the cold storage building have good Sealing and moisture barrier properties.
In general, cold storage buildings guarantee the quality of buildings with their strict thermal insulation, sealing, robustness and frost resistance. Choose the appropriate cold storage to determine the size of the cold storage according to the tonnage of the goods stored, the daily shipment and the size of the building, and determine the size of the door and the opening direction of the door.
According to the stored items, choose to determine the temperature inside the library. Choose fresh storage (+5 ° C ~ -5 ° C), cold storage (0 ° C ~ -18 ° C), or low temperature storage (-18 ° C ~ -30 ° C). According to the characteristics of the building and the local water source, the cooling mode of the refrigerator is selected, generally air-cooled and water-cooled. The chiller is an air-cooled user who only needs to choose the location; the chiller is a water-cooled user who also needs to configure the size of the pool, deep water wells, circulating water pipes and inlet and outlet piping settings, as well as the location of pumps and cooling towers. .
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Monobenzone

Monobenzone can decompose melanin in the skin, and prevent the formation of melanin in the skin, used for the treatment of hyperpigmentation, such as various spots, age spots, melanoma. In addition as intermediates in organic synthesis.

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1.Monobenzone is a compound used as a topical drug for medical depigmentation.

2.The topical application of monobenzone powder in animals decreases the excretion of melanin from melanocytes. The same action is thought to be responsible for the depigmenting effect of the drug in humans.

3.Monobenzone may cause destruction of melanocytes and permanent depigmentation.

4.The histology of the skin after depigmentation with topical monobenzone powder is the same as that seen in vitiligo.

5.The epidermis is normal except for the absence of identifiable melanocytes.


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