Talk about common cold and heat source equipment in clean engineering

Talk about common cold and heat source pharma machinery in clean engineering

The decoration of the clean project should follow the general guidelines of no dust, no dust accumulation, corrosion resistance, moisture proof and mildew proof, easy cleaning and load fire protection requirements. Made of non-cracking material. The following introduces the common types of cold and heat source pharma machinery?

1. Electric-driven compression refrigerator

Electric-driven compression refrigerators mainly use Freon and ammonia as refrigerants, and most of the civilian refrigerators use Freon as refrigerants. According to the type of cooling medium, it can be divided into air cooling and water cooling. According to the type of compressor, it can be divided into piston type, screw type and centrifugal type. According to the cooling source or heat source provided, it can be divided into chiller and There are two types of heat pump units.

2. Piston chiller

Piston chillers are composed of piston refrigeration compressors, air-cooled or water-cooled condensers, thermal expansion valves and evaporators, and are equipped with automatic or manual energy regulation and automatic safety protection devices. The water temperature of the water-cooled piston chiller commonly used in cleaning projects is set to normal temperature at the inlet and outlet of the condenser, and the temperature of the chilled water at the outlet of the evaporator is set relatively low.

3. Centrifugal chiller

Centrifugal chiller is a whole unit composed of centrifugal refrigeration compressor, condenser, evaporator, throttling mechanism, regulating mechanism and various control elements. The centrifugal chiller has a large cooling capacity. The water-cooled centrifugal chiller commonly used in clean engineering has a normal inlet and outlet water temperature and a complete refrigeration system composed of automatic control components and instruments. Therefore, centrifugal chillers are generally used for large-scale air conditioner.

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