Shanghai HanLeng Cold and Heating Equipment Co., Ltd
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Integrated screw chiller unit
Integrated screw chiller unit
Product details

1. Efficient integration and energy-saving of the system, outdoor rainproof design without the need for a computer room: integrated water-cooled screw chiller combined with optimized refrigeration system components to achieve efficient integration of unit system components, water pumps, and cooling towersfreezerMaximizing the perfect integration and energy saving of the system, the whole machine is designed with sheet metal and rainproof, and can be directly placed outdoors without the need for a dedicated computer room, saving the construction cost of the computer room;
2. Programmable PLC control, with just one click start, the entire refrigeration system achieves fully automated operation: remote and on-site one click stop and start, as well as related program operation, are achieved. After starting, the entire refrigeration system is fully automated according to the refrigeration load, and each system component is linked, communicated, controlled, and coordinated for operation;
3. Industrial grade high configuration and high standard design: Adopting high configuration and optimal system integration to cast high-quality products, the professional team adopts industrial grade standard design, with low noise and small vibration, designed according to industrial standards, suitable for 24/7 uninterrupted operation throughout the year;
4. Integrating multiple innovative technologies to ensure efficient, energy-saving, stable, and excellent performance of the product:
1) Efficient energy-saving technology with an economizer: saving more than 5% energy compared to units without an economizer;
2) PLC programmable control technology: realizing the communication control of the stop and start signal of supporting equipment such as water tower and water pump, avoiding unnecessary energy loss;
3) Efficient vapor-liquid separation technology: ensures efficient heat transfer in shell and tube heat exchangers and sufficient evaporation and heat transfer in refrigerant liquid reflux evaporators;
4) Low temperature oil cooling technology: By using low-temperature refrigerant to cool the refrigeration oil, it is then injected into the compressor to fully lubricate the moving parts inside the compressor and maximize the heat generated by the motor, avoiding long-term high temperatures inside the motor and ensuring efficient, stable, and long-lasting operation of the motor and flexibility of the moving parts.
5. Compact structure, superior performance, and stable operation: using high-quality imported twin-screw bearings, its moving parts are only 1/10 of the piston compressor, and its vibration is only 1/5 of the piston compressor. High precision German FAG and Swedish SKF bearings are used in both radial and axial directions, combined with axial thrust balance drums to effectively balance axial loads. The failure rate is only 1/10 of that of piston compressors, and with world-renowned control components, the unit can operate safely and stably for a long time.
The condenser and dry evaporator of the unit are both equipped with high-efficiency heat transfer tubes, and the main engine uses imported high-efficiency semi enclosed twin-screw compressors, which have many advantages such as compact structure, small volume, light weight, and small installation position. The semi enclosed twin-screw compressor has fewer moving parts, and the compressor uses a 5:6 ultra efficient screw rotor without direct connection between the rotors.

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