What is Centrifugal Chiller?
Centrifugal chiller means air conditioning equipment that utilizes a centrifugal compressor in a vapor-compression refrigeration cycle typically used for commercial comfort air conditioning. Centrifugal chiller in this definition is a chiller intended for comfort cooling and does not include cooling for industrial process cooling and refrigeration.
Advantages of Centrifugal Chiller
Have the characteristics of large air volume and high wind pressure
The design of the centrifugal chiller enables it to generate a large amount of cold air through a rotating centrifugal wind wheel. Compared with other types of chillers, centrifugal chillers have a higher wind pressure and can send cold air to further places.
Have high energy efficiency
The structure design of centrifugal chiller can minimize the energy loss and improve the energy utilization rate during operation. Compared with traditional chillers, centrifugal chillers can work with higher efficiency and achieve the same cooling effect.
Have a lower noise level
Due to the working principle and structural design of centrifugal chillers, the noise generated during operation is lower than that of other types of chillers. This makes centrifugal chillers more suitable for use in places that need to maintain a good working environment .
Can also be intelligently controlled
Many centrifugal chillers are equipped with advanced sensors and control systems that can monitor ambient temperature and humidity in real time and automatically adjust wind speed and volume as needed.
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R134a Magnetic Bearing Centrifugal ChillerWe have the advanced large on-line test bench for centrifugal chiller, each unit undergoes a full performance test strictly before delivery to ensure the performance of the final unit.read more
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Magnetic Bearing Centrifugal Chiller with Hanbell CompressorChilled Water Outlet Temperature:7℃Application: Widely used in hotels, theaters, shopping malls, large office buildings, and other commercial placesread more
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Water Cooled Centrifugal Chillers Single UnitIt is convenient to operate on microcomputer control system, displaying all the working data clearly. Chinese/English can be selected.read more
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Centrifugal Water Chiller Double UnitThe ejector pump is used to recovery oil in low pressure side by medium pressure flash gas, without energy loss on water chiller.read more
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Variable Frequency Centrifugal Chiller UnitThe bearing is not the plain one but the roller bearing, therefore it does not matter if the compressor emergency stops.read more
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400 Ton Variable Frenquency Magnetic Bearing ChillerSANHER magnetic bearing centrifugal water chiller is equipped with advanced SIEMENS controller to provide safety protection and ensure stable operation.read more
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Oil Free Centrifugal ChillerThe magnetic chiller system has few moving parts, no complicated oil circuit system, oil cooling system ,oil filter.read more
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Magnetic Bearing Centrifugal ChillerUsing compound orifice plate as flow control device so that the refrigerant flow rate can be adjusted in time without delay under variable load and conditions.read more
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Direct Cooling Magnetic Levitation Centrifugal Water Chiller1.Chiller COP up to 6.7 (GB working condition) Energy saving ≥50%. 2.Chiller IPLV up to 11.6 (AHRI working condition). 3.Unit operating noise is less than 74dB (A)read more
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Oil Free Maglev Centrifugal ChillerThe oil free Magnetic bearing centrifugal chiller operates without oil and there is no problem of residual oil and control.read more
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800 Ton Magnetic ChillerUsing compound orifice plate as flow control device so that the refrigerant flow rate can be adjusted in time without delay under variable load and conditions.read more
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water cooled magnetic chillerIt's the prefect solution for commercial and industrial cooling system for places need big cooling capacity like office building , hotel, hospital, shopping mall, supermarket, etc.read more
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High quality
Our products are manufactured or executed to very high standards, using the finest materials and manufacturing processes.
Rich experience
Dedicated to strict quality control and attentive customer service, our experienced staff is always available to discuss your requirements and ensure complete customer satisfaction.
Quality control
We have professional personnel to monitor the production process, inspect the products and ensure that the final product meets the required quality level standards, guidelines and specifications.
24h online service
We try and respond to all concerns within 24 hours and our teams are always at your disposal in case of any emergencies.
Types of Centrifugal Chiller
Turbocharger centrifuge
Turbocharger centrifugal chiller or turbocharger chiller is a centrifugal chiller that works without oil, without mechanical contact and without friction. This means that the chiller of the turbocharged centrifuge chiller is based on a magnet. In a turbocharged centrifugal chiller, the impeller creates a magnetic field during operation and rotation, so that no contact is made with the magnetic bearings.
Cool water centrifuge chiller and air cooler
For centrifugal chillers, like any other compression chiller, two types of cold water and cool air are defined. Speaking of these two types, it goes back to the type of operation of the chiller condenser. It basically means what the driving force of a condenser is and whether a condenser uses water or the surrounding air to cool itself.
Closed, semi-closed and open centrifugal chiller
There are three types of open, closed and semi-closed systems for centrifugal chillers. The opening and closing of these chillers depend on how the mechanical and electrical parts of the chiller are connected. In fact, different parts of a chiller are formed, each of which was used in a special way. In a centrifugal chiller, mechanical equipment such as impellers are considered mechanical parts, and the chiller motor is powered by electricity to provide propulsion to the mechanical parts.
Evaporator
An evaporator in a centrifugal water-cooled chiller is the heat exchanger that removes heat from the entering chilled water. A shell and tube heat exchanger is the most common configuration.
The heat changes the refrigerant from a liquid to a gas. A flooded evaporator is an energy-efficient choice. Chilled water circulates in the tubes and refrigerant completely submerges the tubes in the shell.
Compressor
A centrifugal compressor converts rotational kinetic energy to the dynamic energy of fluid flow. Refrigerant enters the pump impeller and is accelerated, flowing radially outward, then exits. A frictionless centrifugal compressor uses magnetic bearing technology and a dc (direct current) motor drive.
The process raises the pressure of the refrigerant by converting kinetic energy into pressure and heat.
Condenser
Similar to an evaporator, a condenser is also typically a shell and tube heat exchanger. The condenser removes heat from the refrigerant gas. The pressurized refrigerant condenses to a liquid.
The heat raises the temperature of circulating condenser water the condenser water then carries the heat away to the cooling tower where the excess heat is ejected to the atmosphere.
Expansion device
After the refrigerant condenses to a liquid, it passes through a device to reduce pressure. It can be a simple orifice plate or an electronic modulating valve.
Components of Centrifugal Chillers

Impellers
Impellers are rotating components that use centrifugal force to compress the refrigerant gas. They consist of curved blades or vanes that accelerate the gas and direct it towards the diffuser.

Shafts and bearings
The shafts and bearings provide support and enable the rotation of the impeller. They ensure smooth operation, reduce friction, and minimize wear and tear.

Diffusers
Diffusers receive the high-velocity gas from the impeller and convert its kinetic energy into pressure energy. They slow down the gas flow and evenly distribute it to the next stage of compression.

Housings
Housings or casings enclose the impeller and other internal components, creating a controlled environment for compression. They are designed to withstand high pressures and maintain the structural integrity of the compressor.
Types of Applications of Chillers Centrifugal in Compressor Components
Air conditioning
Chillers centrifugal are extensively used in large-scale air conditioning systems for commercial buildings, such as offices, hotels, and shopping malls. They provide chilled water for cooling the air and maintaining comfortable indoor temperatures.
Industrial cooling
Centrifugal chillers are employed in industrial cooling applications, such as cooling equipment, processes, and manufacturing facilities. They help regulate temperatures and ensure optimal operating conditions for machinery and products.
Refrigeration
Centrifugal chillers play a vital role in refrigeration systems, including cold storage facilities, food processing plants, and supermarkets. They provide the necessary cooling for preserving perishable goods and maintaining the quality and safety of refrigerated products.
Process cooling
Many industrial processes require precise cooling to achieve desired product quality or facilitate specific reactions. Centrifugal chillers are used in industries such as pharmaceuticals, chemicals, and plastics to provide process cooling, ensuring efficient production and optimal results.
The Working Principle aand Working Process of Centrifugal Chiller
The working principle of a centrifugal chiller is based on the refrigeration cycle, in which the compressor, evaporator, condenser and expansion valve play a key role. In the refrigeration cycle, the refrigerant absorbs heat and evaporates in the evaporator, is compressed by the compressor, then removes heat and condenses in the condenser, and finally flows back to the evaporator through the expansion valve. This process circulates continuously to achieve the purpose of refrigeration.
The centrifugal ice-water unit produces chilled water at 7℃-12℃ for use in the air treatment system and process cooling water at 18℃-23℃. The cooling method is mainly open cooling tower cooling.
Compression process: The compressor is the core component. It compresses low-pressure refrigerant gas into high-pressure gas to provide power for the entire refrigeration cycle.
Heat exchange process: In the evaporator, the refrigerant absorbs heat from the air and evaporates; in the condenser, the refrigerant releases heat and condenses.
Application of Centrifugal Chiller
Commercial and office buildings
Centrifugal chillers are widely used in commercial and office spaces that require large amounts of cooling capacity, such as high-rise buildings, shopping malls, and office buildings. This kind of unit can meet the needs of large-scale refrigeration and achieve the purpose of energy saving and environmental protection.
Industrial production
Centrifugal chillers are also widely used in many industrial production fields, such as pharmaceutical, chemical, electronics, textile, food and other industries. These areas need to maintain a constant temperature and humidity environment to ensure production quality, and centrifugal chillers play an important role in this regard.
Other areas
Centrifugal chillers are also widely used in public places such as hospitals, universities, conference centers and airports, as well as large entertainment facilities such as swimming pools and ice rinks.
What You Should Know When Use Centrifugal Chiller




Safe to use
The chiller is an electrical equipment. Users need to ensure that the power supply and circuit of the equipment are normal before operation to avoid safety accidents caused by circuit failures. In addition, pay attention to the safety protection measures around the equipment, such as the placement of the equipment, the setting of protective panels, etc.
Cleaning and maintenance
After a chiller is used for a period of time, a certain amount of dirt and bacteria will often develop inside the radiator and cooling water pipes, so the equipment needs to be cleaned and maintained regularly. When cleaning, be sure to turn off the power and drain the water in the water tank, and use special cleaning agents to thoroughly clean the inside and outside of the equipment. In addition, cooling water filters should be cleaned and replaced regularly to ensure clean water quality and smooth circulation.
Equipment operating status monitoring
Users should regularly monitor the operating status of the equipment when using the chiller, especially whether the temperature and noise of the equipment shell are normal. If the equipment is found to be overheated or the noise is abnormally loud, it should be stopped in time for inspection and the dust and debris inside the equipment should be cleaned. In addition, it is necessary to regularly check the operation of the cooling water pump of the equipment and the stability of the power supply voltage to ensure the normal operation of the equipment.
Prevent condensation from accumulating
The chiller will produce a large amount of condensed water during operation, so a proper drainage system needs to be installed to prevent the accumulation of condensed water. When designing the chiller drainage system, ensure that the drainage pipes are unobstructed and set up appropriate slopes and exhaust devices to quickly remove condensed water.
Control equipment operating temperature
When the chiller is working, the outlet water temperature is generally controlled to meet the cooling needs during the production process. Therefore, during the use of the equipment, it is necessary to set a reasonable outlet water temperature according to actual needs to avoid excessively high or low water temperatures from adversely affecting the production process.
Control equipment load
During the use of the chiller, the load of the equipment needs to be adjusted according to actual needs. During the production process, when the load is large, the working capacity of the chiller can be appropriately increased to meet demand; when the load is small, the working capacity of the chiller can be reduced to save energy.
Control device runtime
The running time of a chiller often affects its service life and energy consumption. Therefore, during use, attention should be paid to reasonably arranging the running time of the equipment and avoiding long-term continuous operation to reduce energy consumption and wear and tear of the equipment.
With automatic fault alarm function
In order to detect equipment faults in time and take corresponding countermeasures, the chiller should usually have an automatic fault alarm function. During use, it is necessary to regularly check whether the equipment's alarm system is working properly to ensure that the equipment can promptly remind users and perform repairs when a fault occurs.
Timely maintenance
When a chiller fails or an abnormality occurs, the equipment needs to be repaired and maintained in time to prevent the failure from expanding and affecting normal production. If possible, it is recommended to ask professionals to conduct comprehensive inspection and maintenance of the equipment regularly to extend the service life of the equipment.
Proper use of cooling water
The chiller needs to use cooling water for heat dissipation and cooling during operation, so cooling water resources need to be used rationally. During use, attention should be paid to reducing the waste of cooling water, and cooling water pipes should be cleaned and replaced in time to avoid contamination and blockage that will lead to a decrease in heat dissipation effect.
FAQ
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Air Cooled Scroll Packaged ChillerThere will be 2~6 pieces scroll type compressor in this air cooled chiller , according to different capacity request.read more
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R134a Magnetic Bearing Centrifugal ChillerWe have the advanced large on-line test bench for centrifugal chiller, each unit undergoes a full performance testread more
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Water Cooled Screw Liquid ChillerWater cooled screw liquid chiller (dual compressor) uses two screw compressors, it is two independent refrigerationread more
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Water Cooled Brazed Plate Type Stainless Scroll ChillerFeature 1.Danfoss Scroll Compressor, High efficiency and reliability. 2.Danfoss thermal expansion valve, Reliabilityread more
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Air Cooled Scroll Chiller for Air Conditionnit control system using imported PLC program controller, man-machine interface configuration large screen touchread more
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Computer Room Precision Air ConditionerSANHE computer room precision air conditioners are special air conditioners designed for electronic equipment rooms.read more
