Disadvantages of the same set of cold storage equipment

What are the disadvantages of using the same set of cold storage equipment in different temperature zones

      First of all, daoCold storage The evaporation pressure (temperature) in the evaporator system is definitely different, although under different evaporation conditions, it can pass at high temperature cold storage return air section with steam boiler The pressure regulating valve can solve the problem of evaporating temperature, but doing so will seriously reduce the energy consumption ratio of the high temperature warehouse during operation (resulting in an increase in power consumption).

 Secondly due to Cold storage compressors all have an operating condition (operating range). If the same refrigeration compressor is used in the high and low temperature storage, it is easy to cause the refrigerator compressor to operate in an over-working condition, which will cause the refrigerator compressor to burn out or directly affect the refrigerator. the service life of the compressor. Therefore, in order to save investment, the cold storage in different temperature zones must not use the same refrigeration compressor in the construction of cold storage.

In the cold storage design, the cooling equipment is a low-temperature and low-pressure heat exchange equipment that produces a cooling effect in the refrigeration system. The heat of the cooling medium is reduced by the temperature of the cooling medium. The selection of cooling equipment should be determined according to the requirements of food cold processing, refrigeration or other processes. Generally, the selection should be based on the following principles.

1. The operating conditions and technical conditions of the selected cooling equipment should meet the requirements of the current cooling equipment standards for refrigeration units

2. The cooling room is designed for the cold storage, and the cooling equipment in the freezing room and the cooling and refrigerating room adopts a cooling fan.

3. The cooling equipment in the cold storage room can first use the cold exhaust pipe, the wall exhaust pipe and the air cooler. Generally, when the food is well packaged, the air cooler should be used. Tube.

4. Select appropriate cold-junction equipment according to the cold-junction process requirements of different foods, such as tunnel cold-junction device, flat-plate cold-junction device, spiral cold-junction device, liquefaction cold-junction device and shelf-type cold-junction device, etc.

5. The freezer adopts smooth top row pipes

6. For the cooling equipment in the packaging room, use the air cooler when the room temperature is higher than -5°C, and use the exhaust pipe when the room temperature is lower than -5°C.