Liquid cooling chiller chilled water system are designed to circulate water to a heat producing process via a water pump. The water brings the heat back to the chiller where the compression cycle cools the water before it is returned to the heat process.
Typical applications of liquid cooling chillers are enumerated below.
District cooling
Centralized air conditioning
Hydroponic
Food and beverage processing
Pharmaceuticals and medical
Cold storage
Thermal Energy Storage (TES) systems
Machining, water jet cutting, laser cutting, welding, etc.
Plastic processing
How does the liquid cooling chiller chilled water system work?
In most process cooling applications, a pumping system circulates cool water or a water/glycol solution from the chiller to the process. This cool fluid removes heat from the process and the warm fluid returns to the chiller. The process water is the means by which heat transfers from the process to the chiller.
Process chillers contain a chemical compound, called a refrigerant. There are many types of refrigerant and applications depending on the temperatures required but they all work on the basic principle of compression and phase-change of the refrigerant from a liquid to a gas and back to a liquid. This process of heating and cooling the refrigerant and changing it from a gas to a liquid and back again is the refrigeration cycle.
The refrigeration cycle starts with a low-pressure liquid/gas mix entering the evaporator. In the evaporator, heat from the process water or water/glycol solution boils the refrigerant, which changes it from a low-pressure liquid to a low-pressure gas. The low-pressure gas enters the compressor where it is compressed to high-pressure gas. The high-pressure gas enters the condenser where ambient air or condenser water removes heat to cool it to a high-pressure liquid. The high-pressure liquid travels to the expansion valve, which controls how much liquid refrigerant enters the evaporator, thereby beginning the refrigeration cycle again.
The liquid cooling chiller chilled water system standard features belows:
1. Stainless steel buffer tanks to provide close temperature control and reduce compressor starts
2. Sturdy galvanized steel construction to ensure the cabinet provides long life
3. High efficiency hermetic scroll compressors
4. High efficiency R134a refrigerant with low global warming potential and to ensure operation in even the highest ambient temperatures
5. Integrated primary water pumps
6. Comprehensive factory acceptance testing before dispatch
7. Highly accurate electronic controller
8. Hydrophilic coated condensers for high corrosion protection
9. Comprehensive 12 months parts warranty
10. Pump options to suit any profile
11. Stainless steel plate heat exchanger or coaxial evaporators
12. Evaporator protection on all models
Here let's see the 50ton water cooling liquid chiller specs:
Item | Specification / Supplier | ||
Cooling capacity | Model | AYD-80A | |
Kw/hr | 186 | ||
Ton/hr | 52.88 | ||
Power input | kw | 61.2 | |
Power Supply | 230V-3N-60HZ | ||
Temp Outlet (℃) | 7 | ||
refrigerant control | Expansion valve | ||
Refrigeration circle | one | ||
refrigerant | R407C | ||
Dimension （mm）L*W*H | 4000*2000*2200 | ||
Compressor | Style | Screw | |
Quantity （set） | 1 | ||
Compressor Power(kw) | 54.4 | ||
Condenser | Style | Fin type with copper coil | |
Fan Quantity（set） | 8 | ||
Power(kw) | 6.8 | ||
Air Volume（m3/h） | 84000 | ||
Evaporator | Style | Shell and Tubes | |
Water Flow（m3/h） | 32 | ||
Water Pipe Size （“） | 3 | ||
Protector Device | 1.Phase protector 2.Fan overload protector 3.High/low voltage protector 4.overheat protector 5.Anti-freeze protector | ||
Unit Weight（kg） | 1820 | ||
Main Parts | |||
Compressor | Hanbell | ||
Condenser | Anyda | ||
Evaporator | Jindian | ||
Electronic | LS/ Chnt | ||
Expansion Valve | Emerson | ||
Control System | Punp | ||
Remarks: The cooling capacity is based on condensing temp 45C,inlet temp12C and outlet 7C.
Other option configuration could supply:
1. Remote Condenser:
The chiller can be manufactured as a split system.The evaporator can be installed indoors in a plant room for example and the condenser installed outdoors.
2. Remote Control:
Simply remote control is by connecting the point on our chiller ele box.
Highly remote control is by Modbus.
3. Soft Starters
In installations where the power supply is not robust softe starers can be supplied on the compressors to limit the in-rush current on compressor start up.
4. Compressor VSD
Variable speed drives- fitted to the compressor to allow turn down in partial load conditions which adds to the operating efficiency of the chiller.
5. Corrosive environments
If the chiller is to be installed in an environment with corrosive elements present the chiller can be manufactured in such a way to extend the life of the unit.
a. Anti-corrosive coating for the condenser fins
b. The units can be constructed with stainless steel cabinets or anti-corrosive painting.
c. The electrical enclosures are weather proof but if an enclosure is required with a high IP rating this can be offered.
d. In the case where flammable gas is present an EX or ATEX rated unit maybe required.
e. Fan on the top could be changed to RFP material to against corrosion.
Hot Tags: liquid cooling chiller chilled water system China, manufacturers, plant, price, for sale
