Water Cooled Screw Chiller
Water Cooled Screw Chiller is an efficient and reliable industrial chiller unit, with its main components featuring a screw compressor, hence referred to as water-cooled screw chiller. It utilizes a screw compressor and water-cooling heat dissipation method, providing excellent refrigeration capacity and stable performance. The chiller is equipped with a cooling tower or a cooling water circulation system, which utilizes external cooling water for heat dissipation, meeting a wide range of industrial demands. With a wide temperature control range and refrigeration capacity, it can precisely control temperatures between 3°C to 50°C, making it suitable for industries such as plastic processing, chemical, pharmaceutical, and others. Water Cooled Screw Chiller chillers are the ideal choice in the field of industrial cooling, ensuring stable operation of equipment and processes.
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Application Scope in the Industry
Water Cooled Screw Chillers have extensive applicability in industrial settings. They are used in industries such as plastics (injection molding, extrusion), plastic packaging, automotive manufacturing, electronics manufacturing, electroplating, pharmaceuticals, chemicals, ultrasonic cooling, printing, and others. They maintain stable operating temperatures for equipment and processes, thus improving production efficiency. Water-cooled screw chillers are typically suitable for large-scale cooling requirements in production and processing equipment. They are widely used in industries such as plastic processing (injection molding, extrusion), meeting various process cooling needs, greatly enhancing the production efficiency and product quality of plastic molding machines.
Injection Molding Industry
Extrusion Industry
Plastic Packaging Industry
Pharmaceutical Industry
Automotive Manufacturing Industry
Chemical Engineering Industry
Electroplating Industry
Electronics Industry
Printing Industry
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Highlights of the Product
Semi-hermetic Screw Compressor
With low noise and vibration levels, it achieves energy savings of over 20%.
The water-cooled screw compressor utilizes a semi-hermetic screw compressor, offering advantages such as stability, reliability, low noise, and low vibration. During the compression process, gas enters the compression chamber from the suction end of the screw, and as the screw rotates, the gas is gradually compressed and eventually discharged through the exhaust end. The thread shape and rotational motion of the screw ensure the continuity and stability of the gas during the compression process. Bitzer or Hanbell, two globally renowned brands, provide the screw compressors used in the Xiecheng water-cooled screw compressor, ensuring long-lasting, efficient, and stable operation. Compared to traditional scroll compressors, it achieves energy savings of over 20%, resulting in more energy-efficient operation.
Features：1. 20% Energy Saving 2. low Noise 3. Low Vibration
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Stepless Capacity from 25% to 100%
Screw compressors feature stepless capacity control, which means that a single compressor can continuously adjust the cooling capacity in any range between 25% to 100%. This allows for precise control of energy output, ensuring stable and efficient operation.
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Shell and Tube Evaporator
The Water Cooled Screw Chiller utilizes a shell and tube evaporator. In this system, the refrigerant evaporates inside the heat exchange tubes, while water flows on the shell side. To enhance the heat exchange efficiency, a 2mm thick baffle plate is installed on the shell side, causing the water to flow back and forth to create ice brine. Additionally, to maintain a stable operating temperature, the exterior shell of the evaporator is covered with insulation material.
For the heat exchange tubes, we employ high-efficiency seamless copper tubes. These tubes undergo a grooving process to form internal thread fins, thereby increasing the heat exchange surface area with the refrigerant. With this technology, the heat transfer area is doubled, significantly improving the heat transfer efficiency.
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Shell and Tube Condenser
Water Cooled Screw Chiller utilizes a shell and tube condenser, with the internal copper tubes employing an outer thread embossing process. This design effectively enhances the heat exchange efficiency between the refrigerant and water during the process. Compared to traditional smooth copper tubes, the outer thread embossing process increases the surface area of the copper tubes, thereby expanding the contact area for heat exchange and improving the thermal conductivity of the condenser. This optimization design allows the condenser of the water-cooled chiller to transfer heat from the refrigerant to the water more rapidly and consistently, enabling the water to carry away the heat.
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RS485 Remote Communication System
Equipped with RS485 communication capability, this feature enables the integration of the water-cooled screw chiller and plastic molding machine into a single data platform, enabling automated remote management.
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Variable Frequency Drive System (optional)
Highly efficient and energy-saving, utilizing world-class onboard variable frequency drive technology, which greatly enhances the partial load energy efficiency of the unit. The highest integrated part load value (IPLV) can reach around 10.
Advantages of VFD System
1. High efficiency and energy savings of over 30%.
2. ABB VFD enables seamless and stepless adjustment from 1% to 100%.
3. Soft start feature reduces startup current impact, while the built-in DC reactor minimizes harmonic interference.
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Product Details
PLC Controller
1. Advanced industry control: Utilizing the latest generation of PLC controllers, ensuring precise control of the unit and ensuring efficient and optimal operation.
2. Accurate temperature control: Achieving a temperature control accuracy of within ±0.5 degrees for the chilled water outlet, meeting the requirements for high-precision temperature control.
Drying Filter System
The water cooled chiller is equipped with Emerson filters, which effectively remove impurities from the refrigerant and absorb free moisture in fluorocarbons. This system prevents the formation of ice blockages, particularly in narrow sections of pipelines (especially the valve ports of thermal expansion valves). It ensures the purity of the refrigerant and protects the compressor from potential damage.
High and Low Pressure Protection System
Installation of high and low-pressure gauges to monitor the pressure of the water pump during operation at any time.
Electrical Self-control System
The electrical self-control system consists of power supply and automatic control components. It utilizes Siemens electronic components to ensure stable operation of the equipment. It incorporates a comprehensive range of safety protection devices, including current overload protection, high and low-pressure protection systems, and electronic time delay. These safety features provide robust protection and are complemented by an intuitive display system that alerts users to any abnormalities.
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Specifications
Model
UNIT
XC-L30WS
XC-L40WS
XC-L50WS
XC-L60WS
XC-L80WS
XC-L100WS
Refrigerating capacity
kw
91
142.5
186.5
200.1
248.6
375
kcal/h
78260
122550
160390
172086
213796
322500
Input Power
Kw
22
30
37
45
60
37x2
Control type
expansion valve
Refrigerant
R22（R407C）
Compressor
Type
Semi-hermetic Screw
Quantity
1/2/4
Startup mode
Y-△
Capacity control(%)
0-25-50-75-100
Power
3PH-380V/50HZ（200V/220V/415V 50HZ/60HZ）
Evaporator
Type
Shell and tube type
Cooling water flow（m3/h）
19
21
26
30
39
55
Inet and outlet pipe caliber(Inch)
3"
3"
3"
3"
4"
4"
Condenser
Type
Shell and Tube Type
Cooling water flow（m3/h）
21
26
33
40
45
69
Inet and outlet pipe caliber(Inch)
3"
3"
3"
4"
4"
4"
Safety protector
High and low pressure protection,overload protection,overtemperature protection,phase sequence protection,etc.
Dimensions(L*W*H)
mm
2145*800*
1670
2340*800*
1670
2340*800*
1670
2580*800*
1720
3130*900*
1860
3340*1300*
1450
Model
UNIT
XC-L120WS
XC-L160WS
XC-L180WS
XC-L240WS
XC-L280WS
XC-L320WS
Refrigerating capacity
kw
406
537.1
565.2
876
1106
1230
kcal/h
349160
461906
486072
753360
951590
1057800
Input Power
Kw
45x2
60x2
67.5x2
90x2
105x2
120x2
Control type
Expansion valve
Refrigerant
R22（R407C）
Compressor
Type
Semi-hermetic Screw
Quantity
1/2/4
Startup mode
Y-△
Capacity control(%)
0-25-50-75-100
Power
3PH-380V/50HZ（200V/220V/415V 50HZ/60HZ）
Evaporator
Type
Shell and tube type
Cooling water flow（m3/h）
68
86
96
136
150
168
Inet and outlet pipe caliber(Inch)
4"
4"
6"
6"
6"
6"
Condenser
Type
Cooling water flow（m3/h）
85
108
122
170
186
220
Inet and outlet pipe caliber(Inch)
4"
4"
4"x2
4"x2
5"x2
5"x2
Safety protector
High and low pressure protection,overload protection,overtemperature protection,phase sequence protection,etc.
Dimensions(L*W*H)
mm
3340*1300*
1500
3880*875*
1850
3910*875*
1950
3670*1330*
2130
4250*1320*
2150
4350*1320*
2150
Model
UNIT
XC-L360WS
XC-L440WS
XC-L500WS
XC-L560WS
XC-L640WS
XC-L720WS
Refrigerating capacity
kw
1385
1753
1890
2130
2570
2891
kcal/h
1030280
1575800
1625400
1831800
2210200
2486260
Input Power
Kw
135x2
165x2
187x2
210x2
240x2
270x2
Control type
Expansion valve
Refrigerant
R22（R407C）
Compressor
Type
Semi-hermetic Screw
Quantity
1/2/4
Startup mode
Y-△启动
Capacity control(%)
0-25-50-75-100
Power
3PH-380V/50HZ（200V/220V/415V 50HZ/60HZ）
Evaporator
Type
Shell and tube type
Cooling water flow（m3/h）
206
240
273
308
337
412
Inet and outlet pipe caliber(Inch)
8"
8"
10"
10"
10"
10"
Condenser
类型 Type
Cooling water flow（m3/h）
252
294
334
372
416
506
Inet and outlet pipe caliber(Inch)
6"x2
6"x2
6"x2
6"x2
8"x2
8"x2
Safety protector
High and low pressure protection,overload protection,overtemperature protection,phase sequence protection,etc.
Dimensions(L*W*H)
mm
4450*1580*
2230
4900*1600*
2350
4950*1760*
2360
5010*1760*
2360
4310*2350*
2630
4310*2350*
2750
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