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Wholesale Ambient Temperature Cryogenic Single Compressor Double Compressors Water Cooled Screw Chiller
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Water Cooled Screw Chiller
Ambient Temperature Cryogenic Single Compressor Double Compressors Water Cooled Screw Chiller
Water cooled screw single compressor two-stage chiller(-45℃)
Conventional single-stage screw compressors achieve a minimum evaporation temperature of -40℃. Reaching lower temperatures requires a two-stage cascade system. Simultaneously, high-pressure ratio conditions pose significant challenges for traditional single-stage compressors, including excessive leakage and elevated discharge temperatures. These limitations result in low efficiency and reliability under extreme operating conditions. The single-unit two-stage compression effectively resolves these issues.
The two-stage compressor system offers notable advantages such as compact footprint and simplified control. Compared to single-stage compression systems, it delivers high efficiency and superior reliability. Suitable for diverse industries including low-temperature refrigeration products, process cooling, pharmaceuticals, and biochemistry.
Water cooled screw cascade chiller (-55℃)
This series achieves minimum outlet water temperatures down to -8℃. Our ultra-low temperature chillers are cascade refrigeration units developed by our core technical team, leveraging decades of experience in medium-to-low temperature chiller design and integrating advanced technologies from domestic and international counterparts. They feature high efficiency, energy savings, environmental friendliness, and exceptional reliability. Cascade units are primarily used for secondary coolants ranging from -35℃ to -80℃, serving applications in pharmaceutical and chemical industries, reactor crystallization, high-vacuum distillation, aerospace component testing, gas recovery, food refrigeration, cryogenic weapon storage, and other low-temperature environments.
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Derived from authentic European technology.
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Ensuring the core technological prowess of our products.
Water cooled screw chiller
Product options
·Salt water evaporator
·Whole heat recovery/partial heat recovery
·Special power supply
·Stepless energy regulation
·Pump/cooling tower control
·Remote communication connect
·Frequency conversion
Products features
·QTwin screw compressor brand is employed with high efficiency, low noise level less wearing and long operation time.
· Four-stage volume control or 0%-100%automatic regulation.
·Use PLC microcomputer control from Germany SIEMENS, with LCD touch screen, both English and Chinese human-machine interface.
·Complete breakdown protection: high and low pressure protection,airdischarge protection.oil level protection water flow protection, reverse and lack phase protection chilled water anti-freezing protection, cooling water overtop protection.
·Wider range of variable chilled water temperature to meet the low temperature industrial requirements.
Product specification
·Refrigerant:R22/R407C
·Condenser: Fouling factor 0.044m2,9C/KW
·Power supply:380V/3P/50Hz
·Evaporator/condenser max water pressure drop:1.0MPa
·Evaporator: Fouling factor 0.018m2,9C/KW
·Allowable voltage fluctuate:±5%
·Allowable frequency fluctuate:±2%
Compressor
Select semi-closed 5:6asymmetric twin-screw compressor from world-renowned brand. The possibility of shaft seal leakage is zero. Using a rotating exhaust design, the latest development of the fourth generation line, optimize the circumference speed, excellent design of gear so that the unit has higher compression efficiency, Motor chamber compression chamber integrally cast high precision. Double pressure compensated rotor housing very strong no expansion even in the state of high pressure, and it affactively reduces the noise.
Heat exchanger
The condenser and evaporator of this series unit adopts shell and tuble heat exchanger, using new high efficient heat exchanger structure, heat exchanger adopts the most advanced and effcient heat exchangertube bundle with, unique geometric characteristics and, enhanced tube nucleate boiling required vaporiza-tion core, strengthen the fluid in the tube and delay perturbationat the same time, the water side fouling,heattransfer enhancement, the inside wall in order to get the best performs nee,compa rede to the previousdesign, the unique design of the heat transfer efficiency is increased by 30%. Evaporator evaporation tube with inner screw groove on outer concave tooth enhanced heat transfer technology condenser tube withinner screw groove cutter teeth technology, improves the evaporator and condenser heat transfer efficiency and the evaporation temperature, and ultimately improves the energy efficiency ratio for the unit.
PL
A good all-Chinese interactive interface is to achieve automatic control function before the LCD displayreal-time statues of the machine work, precise monitoring unit operating at optimum state, the touch panel sealed, waterproof, dustproof, corrosion-resistant, long-key life. Equipped with refrigerant pumps, cooling water pumps and cooling tower fan interlock control function.
Low temperature chillers
SW series of low temperature chillers based on well-known brands as the host semi-hermetic screw compressor, built-in suction filter, oil filter, oil separators, safety valve and protection module, with no leakage, low noise, stable operation.
Water cooled screw single compressor two-stage chiller(-45℃)
Product Features
· Modular Configuration Design: Modular design for high and low-pressure stages enables interchangeability between different pressure levels.
· High-Pressure Stage Unloading Slider: Patented automatic unloading mechanism for the high-pressure stage. Pure mechanical design eliminates the need for external components like solenoid valves, enabling simple and effective light-load compressor startup.
· Built-in Suction Check Valve: For larger models, incorporates a built-in suction check valve structure to reduce installation space.
· Optimized Motor Cooling Flow Path: Enhances compressor efficiency while ensuring reliable motor cooling, enabling operation across an exceptionally wide range for superior adaptability.
· Integrated Economizer Air Filter: Provides reliable compressor protection and simplifies system configuration.
Water cooled screw cascade chiller (-55℃)
Product Features
· Wide Temperature Range: Secondary coolant temperatures from -35°C to -80°C.
· High Reliability: Utilizes semi-hermetic screw compressors to enhance operational efficiency while eliminating leakage issues common in open compressors. Reduces refrigerant top-ups and shaft seal replacements, ensuring long-term continuous operation.
· Fully Automated Control: Employs advanced Siemens PLC technology for fully automated operation.
· High Efficiency & Energy Savings: Semi-hermetic screw compressors with economizer operation boost efficiency. High-efficiency imported heat exchangers in low- and intermediate-temperature stages ensure energy-efficient operation at both partial and full loads.
· Capacity Modulation: The unit offers four-stage capacity control (25%, 50%, 75%, 100%) and stepless adjustment from 25% to 100%.
Professional Energy-Saving Operation Solutions: Customized refrigeration processes tailored to client requirements, providing specialised products suited to specific needs.
About Soouney.
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A Technological Benchmark In The Industrial Refrigeration Sector
Shanghai Soouney Refrigeration Equipment Co., Ltd. is a large-to-medium-sized high-tech enterprise within Shanghai's refrigeration sector, integrating research, development, production and sales. We are China Ambient Temperature Cryogenic Single Compressor Double Compressors Water Cooled Screw Chiller Suppliers and Wholesale Ambient Temperature Cryogenic Single Compressor Double Compressors Water Cooled Screw Chiller Company. Upholding the quality principles of 'integrity, quality, service and innovation', the company pursues a development philosophy centred on humanisation and technological advancement, driving product R&D and manufacturing with high starting points and stringent standards. It has now grown into a renowned brand in the domestic and international markets for cabinet air conditioners and industrial chillers, earning high recognition from industry professionals and a broad customer base. Rooted in the Chinese market, it provides reliable refrigeration solutions to clients worldwide. We focus on international trade and B2B business, providing tailored solutions to global clients. We ensure the smooth, stable, and long-term operation of your projects with a comprehensive research and development, production, sales, and after-sales service system. We have nearly 20 years of experience in providing one-stop solutions for overseas projects.
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How Does a Cryogenic Water Cooled Screw Chiller Achieve Ultra-Low Temperatures?
In modern industrial cooling applications, achieving ultra-low temperatures is not simply a matter of increasing cooling capacity—it requires precise thermodynamic control, specialized system architecture, and advanced component integration. The cryogenic water cooled screw chiller represents a refined solution designed to operate efficiently under extreme temperature conditions while maintaining stability, reliability, and energy efficiency.
Fundamental Cooling Principle
At its core, a cryogenic water cooled screw chiller operates based on the vapor compression refrigeration cycle, enhanced through multi-stage compression, optimized refrigerant selection, and precise thermal management.
Core Process Overview
| Stage | Description | Function |
|---|---|---|
| Compression | Low-temperature refrigerant vapor is compressed | Raises pressure and temperature |
| Condensation | Heat is rejected via water cooling | Converts vapor into liquid |
| Expansion | Pressure drops through expansion device | Produces low-temperature refrigerant |
| Evaporation | Refrigerant absorbs heat from process medium | Achieves ultra-low cooling |
To reach cryogenic temperatures, the system typically integrates multi-stage or cascade refrigeration cycles, allowing gradual temperature reduction while maintaining thermodynamic efficiency.
Role of Screw Compressor Technology
The screw compressor is the core driving component of the system. Compared to traditional reciprocating compressors, it provides continuous, stable compression with minimal vibration.
Key Advantages
- Continuous compression process ensures smooth operation
- High volumetric efficiency improves cooling performance
- Wide load adaptability supports variable operating conditions
- Reduced mechanical wear enhances system longevity
In a cryogenic water cooled screw chiller, the compressor is often optimized for low-temperature refrigerants, ensuring consistent performance even under extreme pressure ratios.
Multi-Stage and Cascade Refrigeration Systems
Achieving ultra-low temperatures requires more than a single refrigeration loop. Most systems employ either:
Multi-Stage Compression
- Sequential compression stages reduce thermal stress
- Improves efficiency at lower evaporating temperatures
- Minimizes energy loss during operation
Cascade Refrigeration
- Uses two or more independent refrigeration circuits
- Each circuit operates within an optimal temperature range
- Heat exchange occurs between stages for progressive cooling
| System Type | Structure | Temperature Capability | Efficiency |
|---|---|---|---|
| Single-stage | Simple loop | Moderate low temperature | Moderate |
| Multi-stage | Sequential compression | Lower temperature range | Higher |
| Cascade system | Multiple loops | Ultra-low temperatures | Optimal |
Importance of Water Cooling System
Unlike air-cooled systems, water cooling provides superior heat rejection efficiency, which is critical for cryogenic operation.
Benefits of Water Cooling
- Higher heat transfer coefficient
- Stable condensation temperature
- Improved system efficiency under heavy loads
- Reduced ambient temperature impact
The water-cooled condenser ensures that heat extracted from the process is effectively removed, allowing the refrigerant to condense efficiently even at high compression levels.
Refrigerant Selection for Cryogenic Performance
The choice of refrigerant directly influences the achievable temperature range and system efficiency.
Key Considerations
- Low boiling point for cryogenic applications
- High latent heat for efficient energy transfer
- Chemical stability at low temperatures
- Environmental compliance
| Refrigerant Property | Impact on System |
|---|---|
| Boiling point | Determines minimum achievable temperature |
| Latent heat | Affects cooling capacity |
| Thermal stability | Ensures safe operation |
| Compatibility | Influences material selection |
Advanced systems may utilize blended or staged refrigerants to optimize performance across different temperature zones.
Heat Exchange Efficiency and Design
Efficient heat exchange is essential for achieving ultra-low temperatures.
Key Heat Exchangers
- Evaporator: Absorbs heat from process medium
- Condenser: Releases heat to cooling water
- Intermediate heat exchanger (in cascade systems): Transfers heat between stages
Design Features
- Enhanced surface area for improved heat transfer
- Optimized flow channels for uniform distribution
- Corrosion-resistant materials for long-term durability
Material Selection for Low-Temperature Operation
Cryogenic conditions impose strict requirements on material performance.
Material Comparison
| Material | Advantages | Limitations | Application |
|---|---|---|---|
| Stainless steel | Excellent corrosion resistance | Higher cost | Heat exchangers |
| Copper alloys | High thermal conductivity | Limited strength at low temps | Tubing |
| Aluminum alloys | Lightweight and efficient | Moderate durability | Heat transfer components |
| Special polymers | Chemical resistance | Temperature limitations | Sealing elements |
Material selection ensures structural integrity and prevents brittleness under extreme cold conditions.
Intelligent Control and Automation
Modern cryogenic water cooled screw chillers rely heavily on advanced control systems to maintain precision.
Control System Functions
- Real-time temperature monitoring
- Automatic load adjustment
- Pressure and flow regulation
- Safety protection and fault diagnostics
These systems enable precise temperature stability, which is critical in industries such as pharmaceuticals, chemical processing, and advanced manufacturing.
Functional Capabilities and Industrial Applications
Functional Overview
| Function | Description |
|---|---|
| Ultra-low temperature cooling | Achieves temperatures far below conventional chillers |
| Continuous operation | Supports 24/7 industrial processes |
| Energy optimization | Reduces operational costs |
| Process stability | Maintains consistent thermal conditions |
Typical Applications
- Chemical reaction cooling
- Pharmaceutical production
- Semiconductor processing
- Aerospace material testing
- Low-temperature storage systems
Integration with Industrial Systems
A cryogenic water cooled screw chiller is often integrated into larger process systems.
Integration Features
- Modular design for scalability
- Compatibility with existing cooling infrastructure
- Flexible configuration for different industries
Shanghai Soouney Refrigeration Equipment Co., Ltd. plays a vital role in advancing this technology. As a high-tech enterprise integrating R&D, production, and sales, the company has established a strong market position in the industrial refrigeration field. Its expertise in cabinet air conditioners and industrial chillers reflects its profound understanding of system integration and performance optimization.
Other industrial refrigeration manufacturers also contribute to system innovation through improvements in compressor design, heat exchange efficiency, and intelligent control technologies, further enhancing the reliability of cryogenic cooling systems.
Energy Efficiency Considerations
Despite operating at extremely low temperatures, modern systems are designed for energy efficiency.
Efficiency Strategies
- Variable frequency drives (VFDs)
- Optimized compression ratios
- Advanced insulation techniques
- Heat recovery options
These features reduce energy consumption while maintaining high cooling performance.
Conclusion
A cryogenic water cooled screw chiller achieves ultra-low temperatures through a combination of advanced thermodynamic cycles, efficient screw compressor technology, optimized refrigerant selection, and high-performance heat exchange systems. Its ability to maintain stability under extreme conditions makes it indispensable in precision-driven industries.
By integrating intelligent controls, robust materials, and efficient water cooling, these systems deliver reliable and consistent cryogenic performance, meeting the growing demand for ultra-low temperature applications.
FAQ
1. What temperature range can a cryogenic water cooled screw chiller achieve?
It can reach extremely low temperatures depending on system design, often far below conventional industrial chillers, especially when using cascade refrigeration systems.
2. Why is water cooling preferred in cryogenic chillers?
Water cooling provides more efficient heat rejection and stable operation, which is essential for maintaining ultra-low temperatures.
3. What industries commonly use cryogenic water cooled screw chillers?
They are widely used in pharmaceuticals, chemical processing, semiconductor manufacturing, and aerospace testing.
4. How does a screw compressor improve performance in cryogenic systems?
It ensures continuous, stable compression with high efficiency and minimal vibration, making it suitable for demanding low-temperature applications.
5. What factors affect the efficiency of a cryogenic chiller?
Key factors include refrigerant selection, compressor design, heat exchanger efficiency, and system control optimization.
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