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Stationary Chiller

120 Ton Stationary Air Cooled Chiller
  • 120 Ton Stationary Air Cooled Chiller
  • 120 Ton Stationary Air Cooled Chiller

120 Ton Stationary Air Cooled Chiller

This 120 Ton stationary air cooled chiller is with shell and tube heat exchanger ,but does not includ water tank and water pump.

Chiller Model:          TW-420ADH

Cooling Capacity:    420KW(361200kcal/h)  

Refrigerant:             R22/R407c/R134A

Power Supply:         380V/50HZ /3PH (Standard)
                                208-480V/60HZ/3PH(Customized)

Compressor Brand: Hanbell/Bitzer Screw Compressor

Evaporator Type:   Shell and Tube(Customized)
    Stationary chiller refers to any chiller that does not include a pump or tank. The main component is a self-contained chiller that must be piped to a pump and a separate reservoir to function. The system usually has separate controls for the chiller and pump or pumps, with electrical connections for each component. Ideally the controls should be wired together to prevent the chiller from cooling down until the circulation pump is running. 
    We offer stationary chillers including sizes cooling capacity ranging from 10 ton to 200 ton are available in stationary air-cooled chiller and stationary water-cooled chiller.

    2.Stationary Air Cooled Chillers Vs Stationary Water Cooled Chillers
        ▪ Air cooled chillers require less maintenance than water-cooled units.
        ▪ Air cooled chillers do not require a water cooling tower or a condenser water cooling pump.
        ▪ Consume approximately 10% more power than a water-cooled unit due to wet surfaces transferring heat better
    than dry surfaces.
        ▪ Air-cooled chillers require less water.

    Air-cooled chiller systems are widely used in places where water resources are not sufficient or water quality is not very good. The most convenient part is that air-cooled chiller systems do not require cooling towers, so they are easy to install. (If an air-cooled chiller isn’t what you need, please refer to water-cooled chiller.)

      
              120 Ton Stationary Air-Cooled Chiller                                              120 Ton Staitionary Water-Cooled Chiller


    3.How Does An 120 Ton Stationary Air Cooled Chiller Work?

    120Ton Stationary Air Cooled Chiller with Buffer Water Tank Outside Installation for Reference

    4.What are Differences Between Stationary Chiller and Portable Chiller ?

    The main difference between stationary chiller and portable chiller is that :
    Stationary chiller does not include a pump or tank inside , which need buffer water tank and water pump outside;
    Portable chiller combines all necessary components including – the refrigeration circuit, full diagnostic touch screen controllers and electrics, process pump ,a reservoir tank,which is easily to install.
     
                   Stationary Air-Cooled Chiller                                                                          Portable Air-Cooled Chiller 


    5.What Are The Main Components of Stationary Air Cooled Chiller?

    5.1 Compressor
    The compressor is the key mover in Stationary Air Cooled Chiller because it produces pressure variations to stir the refrigerant around.
    For 120 Ton chiller , which is with 2 units Hanbell Screw brand or Bizter Screw compressor for optional depends on the required refrigeration capacity, using R407C refrigerant,this brand compress is with high refrigeration efficiency,low noise ,energy saving,environmental protection and durability,safety and stability. 
    Each screw compressor with 4 steps of energy control 25%-50%-75%-100% to make sure the whole screw chiller is stable and guarantee high refrigeration performance. 

    Hanbell Screw Compressor


    Bizter Screw Compressor

    5.2 Evaporator
    The evaporator is a crucial component of  stationary air cooled chiller, as it is responsible for extracting heat from the liquid being cooled,it is located between the compressor and the expansion valve. Stationary Air Cooled Chiller Uses highly efficient closed loop shell and tube type heat exchanger as the evaporator.

    Shell and Tube Evaporator

    5.3 Condenser

    The condenser for air cooled screw chiller is equipped with efficient cross-seam fins and female threaded copper tubes for high heat exchange efficiency and good stability.Its function is to cool down the refrigerant steam released from the compressor into a liquid or gas-liquid mixture.

     
    Aluminum fin+fan Condenser

    5.4 Controller Panel
    Tongwei chillers use Integrated PLC control system with human-computer interface and big LED touch screen panel.


    PLC Controller Panel

    6.  How I can Choose the Right Stationary Chiller?

    There are four important chiller specifications you need consider when you choose a chiller for your application :the cooling capacity for chiller ,the voltage required for operation, the associated pump horsepower and flow rate (contact us for custom selection), refrigerant, and the evaporator type.

    6.1 Calculate Right Cooling Capacity For Chiller
    One of the most frequently ask about how we can know the cooling capacity for chillers. Let’s see the below formula.

    Cooling Capacity(kw)= Flow Rate(m3/h)*Temp Change(T1-T2)/0.86
    Heat Load= C(specific heat)* M(quality output per hour )*Temp Change(T1-T2)
    Oversize the chiller by 20% Ideal Size in KW = KW x 1.2
    Noted : T1:Incoming Water Temperature (℃)      T2:Required Chilled Water Temperature(℃)    
        
    For example, what size of chiller is required to cool 5m³ water from 25°c to 15 °c in 1 hour?
    Temperature Differential = 25℃-15℃=10℃
    Water Flow Rate = 5 m³/hour
    Cooling Capacity in KW = 5 x 10 ÷ 0.86 = 58,14 KW
    Oversize the chiller = 58.14 x 1.2 = 69.76 KW
    69.96kw cooling capacity for chiller is required.

    6.2 Power

    Different countries and regions have different standards for industrial electricity, the common power supplies are 208-230V, 380-420V,440-480V,50Hz or 60Hz, 3phase.

    Such in Philippines ,the power supply is 220V 60HZ 3PH , 380V 60HZ 3PH ,460V 60HZ 3PH;

    in Singapore and Malaysia ,the power supply is 415V 50HZ 3PH;

    in Mexico ,the power supply is 220V 60HZ 3PH;

    In USA ,the power supply is 208V 60HZ 3PH;575V 60HZ 3PH;480V 60HZ 3PH and so on

    6.3 Water Pump

    When you decide the capacity/tonnage of the chiller, we will recommend you the suitable pump in KW,which standard water pump is about 2 bar .If you need more high water pressure , please us when you inquiry.

    6.4 Refrigerant

    R22, R407C, R404A, R134A are optional choices.

    R22: good cooling effect, but R22 is considered a powerful greenhouse gas, so it’s forbidden in most countries.

    R407C: a good replacement for R22, good cooling effect.

    R404A: suitable for application that requires low temperature(below -10°c).

    R134A: a non-flammable gas used primarily as a “high-temperature” refrigerant, suitable for air-cooled chiller working at a high ambient temperature above 50℃.

    6.5 Evaporator Choose

    Air cooled screw chiller generally uses one evaporators: just is shell and tube heat exchanger.(See Above 2.2)

    Shell and tube type evaporator, which requires an additional water buffer tank to connect.

    6.6 Buffer Water Tank Capacity Choose

    Buffer tank’s capacity can be customized according to specific needs. It can buffer a larger heat load, store more chilled water .


    304 Stainless Steel Water Tank 

    7.Industrial Applications of Stationary Air Cooled Chiller

    Stationary Air-cooled chillers are very popular refrigeration system that can provide steady and reliable water cooling sources for both industrial and commercial usage.
    Stationary Air cooled chillers are also widely used in plastic industry.food industry and Cement/ Concrete Cooling.

    5.1 Plastic Industry 

    Air-cooled screw chillers are also widely used in plastic processing and plastic industry including plastic injection molding, plastic extruders, and extrusion lines, blowing molding machines.
    The function of using an air-cooled screw chiller is to provide the cooling water flow rate for cooling the plastic mold temperature down to make sure the product quality and production efficiency.


    Air Cooled Screw Chiller For Plastic Industry  

    5.2 Food Industry 

    Stationary Air cooled chiller are important in the food industry to maintain temperature control, preserve quality, support various production processes, and comply with regulations.


    Air Cooled Screw Chiller For Food Industry

    5.3 Cement /Concrete Cooling

    Cement production involves a series of chemical reactions that generate significant amounts of heat.Cement is usually mixed with water to from the material known as concrete whose temperature is to a great extent determined by the water used in the chemical combination of cement aggregates and water.

    Stationary Air Cooled Chiller For Cement /Concrete Cooling


    8.Contact Us to Learn More About Our Stationary Air-Cooled Chiller 

    Don’t delay in making the best decision for your manufacturing business and your future by increasing your production capabilities with an stationary air-cooled chiller. Contact us today for more information on a stationery air cooled chiller.
    Our probessional team will help you with any questions you have on our stationary air-cooled chiller units. We look forward to hearing from you!

               120 Ton Statioary Air Cooled Chiller Technical

                      Specifications
     MODEL:TW-420ADH

    Model

    TW-420ADH

    nominal cooling capacity

    Kw

    361200
    Kcal/h
     420
    Chilled Water Temperature
    5~35℃
    Max power consumption

    kw

    159.2
    Full load
    Amp
    274

    power source

     

    3PH -380V - 50HZ (Standard)
    3PH -220-480V - 60HZ (Customized)

    refrigerant

    type

     

    Environmental friendly R407C

    Charge Amount
     
    56*2

    control

     

     external balance of thermal expansion valve

    compressor

    type

     

    Semi-hermetic screw

    Start mode
     

    Y-△

    Capacity control
     
    0-25-50-75-100

    power

    kw
    73*2

    condenser

    type

     
    Efficient air-cooled aluminum thread brass sleeve

    evaporator

    type

     
     Dry shell and tube  
    Frozen water

    m3/h

    72.2
    Water resistance
    KPa
    42
    Diameter
    inch
      6
    Fans
    Type
    Low wind noise external rotor fan or aluminum axial fan
    power
    kw
    1.1*12
    Airflow

    m3/h

    165000

    safety devices

    Over load relay for compressor ,over-current protection,high and low pressure protection,over-temperature protection,traffic protection, three-phase error protection relay, coolant level switch, flow switch

    dimension

    mm

    5800*1900*2200(L*W*H)

    Machinery weight

    kg

    3730
    Run Weight
    kg
    4180
     
    1 . Testing results under above conditions: Inlet/outlet chilled water temperature 12℃/7℃, condensing temperature 45℃.

    2. The above parameters will be updated continuously. If you have special request, please send your technical requirements before placing an order.
    1.How does a chiller system work?
    Chiller has two circulation,one is process water circulation,the other is refrigerant gas circulation.Heat picked up from the process.Heat transfers to refrigerant circulation.Heat is remove to air or water.

    2.How to calculate right cooling capacity for chillers?
    One of the most frequently ask about how we can know the cooling capacity for chillers. Let’s see the below formula.
    Cooling Capacity(kw)= Flow Rate(m3/h)*Temp Change(T1-T2)/0.86
    Heat Load= C(specific heat)* M(quality output per hour )*Temp Change(T1-T2)
    Oversize the chiller by 20% Ideal Size in KW = KW x 1.2
    Noted : T1:Incoming Water Temperature (℃)      T2:Required Chilled Water Temperature(℃)    
        
    For example, what size of chiller is required to cool 5m³ water from 25°c to 15 °c in 1 hour?
    Temperature Differential = 25℃-15℃=10℃
    Water Flow Rate = 5 m³/hour
    Cooling Capacity in KW = 5 x 10 ÷ 0.86 = 58,14 KW
    Oversize the chiller = 58.14 x 1.2 = 69.76 KW
    69.96kw cooling capacity for chiller is required.

    3.Types of chiller system?
    There are two types of chiller :Air Cooled Screw Chiller and Water Cooled Screw Chiller.
    Water cooled chiller needs a separated water cooling tower and water cooling pump ,if you don‘t have exsiting water cooling tower,we suggest you use air cooled chiller; But if your ambiemt temperature is very high above 55℃ ,we suggest you use water cooled chiller , as it is easier to dissipate heat for water cooled chiller with water cooling tower.

    4.Cooling capacity unit conversion?

       1 KW=860 kcal/h ; 

       1 TON=3.517 KW; 

       1 KW=3412 Btu/h;

    5.This chiller could do heat recovery?
    Yes,please kindly send us the temp and water volume per hour.

    6.Chiller maintenance?
    Step 1: Keep Tubes Clean
    Step 2: Ensure a Leak-free Unit
    Step 3: Sustain Proper Water Treatment(prevent scale, corrosion)
    Step 4: Analyze Oil and Refrigeran
    Please submit your basic information, we will contact you as soon as possible!

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