Four major issues to consider in the process of cold storage design


发布时间:

2017-10-30

1. The volume of the cold storage The size of the cold storage should be calculated according to the volume that the stored products must occupy in the cold storage, plus the aisle between the rows, the space between the stack and the wall, the ceiling and the gap between the packaging and so on. After determining the capacity, determine the length and height of the cold storage. The necessary ancillary buildings and facilities, such as workshops, packaging and finishing rooms, tool warehouses and loading and unloading platforms, should also be considered in the design of the cold storage, so that the quality of the cold storage can be guaranteed. 2. The selection of thermal insulation materials is very important to the quality of the cold storage. The selection of thermal insulation materials for the cold storage must be adapted to local conditions. It must not only have good thermal insulation performance, but also be economical and practical. There are several types of thermal insulation materials.

1. Cold storage volume

The size of the cold storage should be calculated according to the volume that the stored products must occupy in the cold storage, plus the aisle between the rows, the space between the stack and the wall, the ceiling, and the gap between the packaging. After determining the capacity, determine the length and height of the cold storage. Necessary ancillary buildings and facilities, such as workshops, packaging and finishing rooms, tool warehouses and loading and unloading platforms, should also be considered in the design of the cold storage, so that the quality of the cold storage can be guaranteed.

2. The choice of thermal insulation material is very important to the quality of the cold storage

The selection of cold storage insulation materials must be adapted to local conditions. It must have good insulation performance and be economical and practical. There are several types of insulation materials:

One can spray foam with polyurethane, spray the material directly into the brick or concrete warehouse that has been built, and it is both moisture-proof and heat-insulating after setting.

The other is to choose the corresponding fixed specifications according to the needs of the cold storage body installation. The high and medium temperature cold storage generally chooses 10cm thick storage plate, and the low temperature cold storage and freezing cold storage generally chooses 12cm, 15cm or 20cm thick prefabricated plate; modern The structure of the cold storage is developing towards prefabrication. The polyurethane insulation board material produced by Yanghu Refrigeration can be customized.

 

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3. The choice of refrigeration system is most important to the quality of cold storage

The selection of the refrigeration system of the cold storage is mainly the selection of the compressor and the evaporator. The refrigeration system is the core of the cold storage, mainly composed of four parts: the compression system, the condensation system, the evaporation system and the regulating valve, as well as the fan, the duct and the instrument, etc. Accessories. The whole refrigeration system is a sealed circulation loop, in which the refrigerant circulates, and the supply amount and the number of times of entering the evaporator are controlled as required to obtain suitable low temperature conditions. The compressor is the heart of the refrigeration system, it pushes the refrigerant to circulate through the system. The function of the condenser is to remove the heat in the compressed gaseous refrigerant and condense it into a liquid refrigerant; the cooling methods of the condenser include air cooling, water cooling, and combination of air and water. Air cooling is limited to small refrigerators. Application in refrigeration equipment. The function of the evaporator is to provide cooling capacity to the cold storage. The evaporator is installed in the cold storage. The blower is used to blow the cooled air to various parts of the storage. The temperature drop is more uniform.

 

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4. Small refrigerators mainly use fully enclosed compressors

Due to the low power of the fully hermetic compressor, the price is relatively cheap; the medium-sized cold storage generally uses semi-hermetic compressors; the large-scale cold storage uses semi-hermetic compressors. It is large and can be used for multiple purposes in one machine, but it is cumbersome to install and manage. In the selection of the evaporator of the cold storage, the high-temperature cold storage uses the air cooler as the evaporator, which is characterized by a fast cooling speed, but it is easy to cause moisture loss of the refrigerated products; the medium and low temperature cold storage is mainly made of seamless steel pipes. It is characterized by good constant temperature effect and timely cold storage.

 

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