The low temperature screw unit is designed by our company based on many years of application experience in large-scale cold storage, quick freezing and other fields. The unit has the advantages of high automation, high energy efficiency, stable operation, complete protection devices, low failure rate, and wide operating temperature range. Single-stage ECO low temperature screw can be used at -15 ~ -50 ℃, double-stage screw can be used at -20 ~ -65 ℃, very suitable for large cold storage, quick freezing storage, quick freezing tunnel, double spiral tunnel, alcohol quick freezing, low temperature saline Quick freezing, aluminum plate quick freezing device, industrial freezing, etc.
The unit can be designed with heat recovery device and thermal fluorine frost control according to the actual needs.
1. Using semi-hermetic low-temperature screw compressors from well-known brands such as Bitzer / Han Zhong / Fu Sheng, with higher energy efficiency and long service life.
2. Use well-known brand pressure controllers, solenoid valves, sight glasses, filters, pressure gauges and other accessories.
3. Wuhan Jiangche water-cooled condenser is adopted, which has good heat exchange effect and stable performance.
4. The unit has high and low pressure protection, current protection, steering protection, oil flow and oil level protection.
5. The unit is suitable for R22, R404a, R507C, R134a, R23 and other refrigerants.
6, suitable for freezing and refrigerating, quick-freezing range.