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INDUSTRIAL CHILLERS
Chiller, commonly known as the cooling circulator, is a cooling water equipment that can provide constant temperature, constant flow and constant pressure. The main function is to cool the water in the working host to keep it within a certain temperature.
In the refrigeration industry, water chillers can be divided into two types according to the heat removal method: air-cooled water chillers and water-cooled water chillers. In terms of temperature control, it is divided into low-temperature industrial water chiller and normal temperature water chiller. The temperature of normal temperature unit is generally controlled within the range of 0 ℃ to 35 ℃. The temperature control of low-temperature unit is generally around 0 ℃ to – 150 ℃.
>How to Choose a Industrial Chiller?
√ Product Size
√ Cooling Capacity
√ Temperature Control Range
√ Energy Consumption
√ Installation Space and Environment
√ Energy Efficiency Ratio
√ Investment Budget
Low Temperature Chillers (Water Cooled & Air Cooled)
The cooling temperature ranges from -125°C to -20°C, using computer cascade temperature controller and PT100 temperature sensor, with high temperature control accuracy. The product uses a mixture of ethylene glycol and water for circulating refrigeration to save water resources; adopts supercooling technology to ensure temperature stability at low temperatures; adopts a fully enclosed design to ensure the purity of the cold heat transfer medium, prevent ice crystals, and improve the life of the heat transfer fluid.
| Temperature Range | LX -25°C~-5°C | LT -45°C~-10°C | LT -60°C~-10°C | LT -80°C~-30°C | LT -110°C~-50°C |
| Cooling Capacity | up to 30kW | up to 12kW | up to 6kW | up to 6kW | up to 5kW |
Ultra Temperature Chillers (Water Cooled Chillers)
Single-fluid low-temperature refrigerator, the refrigeration temperature ranges from -150°C to -5°C, which can meet the needs of different refrigeration temperatures. The products are widely used in the field of low-temperature reaction in chemical, pharmaceutical, biochemical and other industries, with fast refrigeration speed, safety and reliability.
| Temperature Range | LC -25℃~-5℃ | LJ -45℃~-10℃ | LN -60℃~-10℃ | LD -80℃~-30℃ | CDLJ -110℃~-50℃ |
| Cooling Capacity | up to 360kW | up to 180kW | up to 180kW | up to 180kW | up to 120kW |
Recirculating Chillers/Water Chiller
Precision cooling water circulator, the temperature control range is 5°C to 35°C, the temperature of the heat transfer liquid can be adjusted, the temperature control accuracy is high, and the accuracy is ±0.1°C. The device adopts international brand accessories with stable performance and can work continuously for 24 hours.
It is applied to cooling the heating part of semiconductor manufacturing equipment, cooling of the heating part of laser device, cooling of the heating part of analysis and detection machine, etc.
| Temperature Range | FL +5°C~+35°C | FL -18°C~+30°C |
| Cooling Capacity | up to 50kW | up to 0.9kW |
Direct Cooled Chillers
The refrigerant in the refrigeration unit system is directly output and evaporated into the target control element (heat exchanger) for heat exchange, thereby cooling the target control object. Compared with the fluid (gas) transported into the heat exchanger, the heat exchange capacity is generally more than 5 times higher, which is especially suitable for applications where the heat exchange area of the heat exchanger is small but the heat exchange capacity is large. It can also be used as gas capture, the refrigerant is directly passed into the trap to evaporate, and the gas in the space is quickly captured through the condensation effect on the surface of the trap.
| Temperature Range | SLJ -150°C~-110°C |
| Cooling Capacity | up to 11kW |
How Chillers Work?
Though there are a wide variety of chillers, the majority of them use the same principle for removing heat. An essential part of the process is the coolant or refrigerant, which holds more heat than water and aids in maintaining an efficient cooling process. Heat is removed from the coolant and released into the air. The concept of a chiller is based on the principle that cooling involves the removal of heat from a process and releasing it into the air.
All chillers have a condenser, compressor, expansion valve, and evaporator that circulate a fluid or refrigerant. The process of a chiller is designed to transform the refrigerant from a liquid to a vapor and back to a liquid. In its vapor form, the refrigerant removes the heat from a process. When it is returned to its liquid form by the compressor and condenser, it circulates back through the system to capture the heat from a process or operation.
The chiller is mainly composed of refrigeration system, water system and control system. The refrigeration system is composed of one or two independent compressor refrigeration systems. Each compressor refrigeration system includes compressor, condenser, condensing fan, thermal expansion valve, plate heat exchanger and refrigerant pipeline.
Chillers Maintenance
Though the basic mechanism of a chiller is the same for all types, as with any type of industrial equipment, regular maintenance guarantees that it will perform according to its specifications.
A chiller unit is a cooling mechanism designed to produce fluids that can lower temperatures by removing heat from the fluid.
Although the maintenance status and product performance may vary greatly depending on the use environment, the general durability is considered to be about 6 years.
You may feel that the service life of the chiller is too short, and the legal service life is set to 15 years, but the service life and service life are not equal at first.
The statutory service life is the depreciation standard formulated by the Ministry of Finance, which does not mean that it can be used.
Therefore, the cooling performance may decline or stop working within 15 years.
Considering the durability of the chiller, it is necessary to select a new or used one.
Although large water chillers have high cooling capacity, they may not be installed in smaller rooms due to the space required.
If it is a small water chiller, it can be used wherever it is installed.
Those who consider introducing water chillers will have to choose one of the types of air cooling according to the heat dissipation method and structure.
According to the environment of the installation location, the best equipment will be determined.
If you are not sure about your decision, you can consult LNEYA.
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