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Seamless Steel Pipe Dry Heat Exchanger Evaporator For Screw Chiller

Categories Dry Heat Exchanger
Brand Name: GREEFOUN
Model Number: QXU760S14
Certification: CE
Place of Origin: CHINA
MOQ: 1piece
Payment Terms: T/T, L/C, Western Union
Supply Ability: 100000pieces/year
Delivery Time: within 15days
Packaging Details: Standard export package
Refrigerant: R22/R134a/R407C/R410A
Refrigerating medium: tap/underground/river/sea water, brine, glycol/sulfate solution
Shell material: Seamless steel pipe
Cooling capacity: 18KW~3000KW
Application: Cooling industry
Type: water cooled, water source heat pump
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    Seamless Steel Pipe Dry Heat Exchanger Evaporator For Screw Chiller

    Tube Shell Type Water Cooled Heat Exchanger


    Evaporator for Screw Chiller


    The refrigerant is completely evaporated in the tube and overheated to become a superheated gas, which


    facilitates the automatic adjustment of the supply volume using the thermostatic expansion valve.


    The refrigerants commonly used are R22, R134a, R407C, R410A and the like. Because the refrigerant


    tube evaporation, as long as the tube flow rate of more than 4 m / s, you can put the tube of lubricants


    back to the compressor, back to the oil convenient.


    In the design, the shell side adopts the E-type structure (baffle type) specified by GB151 or TEMA. The


    size of the baffle plate is 15% ~ 50% of the gap according to the physical properties of the refrigerant and


    the flow rate. , The flow rate of the baffle notch is approximately equal to the flow rate of the refrigerant in


    the transverse direction of the refrigerant. In order to ensure the heat transfer effect, the gap between the


    baffle and the cylinder is smaller than or equal to GB151 or TEMA The minimum clearance, especially in


    the case of low temperature, these gaps are particularly important, because in low temperature, the


    refrigerant is generally high viscosity fluid, slow flow, thermal resistance is relatively increased, the gap


    leakage is more obvious, so low temperature The case of the control of the gap must be more stringent.


    The heat transfer tube adopts the internal strengthening and efficient heat transfer tube.


    The inside of the heat transfer tube adopts the spiral groove type. Generally, there are 32 to 75 trenches,


    which are mainly used to enhance the heat transfer effect inside the tube. But also do the corresponding


    strengthening, the heat transfer tube according to the different refrigerant can be used copper T2, high


    phosphor copper TP2, nickel copper BFe10-1-1, tin copper HSn70-1, aluminum and copper HA177-2 and


    other materials.


    The heat transfer tubes and tubesheets are generally connected by means of expansion joints. A set of


    dispensers are normally provided at the inlet of the refrigerant for the equal distribution of the gas-liquid


    mixture.


    The dry evaporator is generally suitable for use in compressor refrigeration systems with displacement


    less than 2000 m3 / h , It is preferable not to use this type of evaporator due to the uneven distribution of


    the refrigerant in the large-scale system.


    STRAIGHT SINGLE SERIES DRY SPIRAL BAFFLE PLATE EVAPORATOR


    CAPACITY: 750KW TO 1500KW


    ModelsRE750S14RE900S16RE1100S16RE1240S20RE1360S20RE1420S20RE1500S20

    Rated data

    Refrigerant R22

    ti=12°C te=2°C

    tu=7°C Dts=5°C

    QnKW75090011001240136014201500
    Kcal/h(×103 )7008629831076116912581367
    Wnm3 /h121141168230252261289
    Wmm3 /h136158176261275309328
    Dpnbar0.480.540.480.400.460.490.58

    ModelsRE750S14RE900S16RE1100S16RE1240S20RE1360S20RE1420S20RE1500S20
    Dimension(mm)A170170170190190190190
    B377426426480480480480
    C3000286030002860286030003500
    D460530530600600600600
    E400450450500500500550
    F3086298431242984298431243624
    VentS11/21/21/21/21/21/21/2
    OutletS21/21/21/21/21/21/21/2
    ConnectionW(DN)150150150200200200200
    D1(mm)42424254(2)54(2)54(2)54(2)
    D2(mm)929292108108108108
    P(kg)7067538088639219921069

    Qn-rated refrigerating capacity Wn-cooling water flow Wm-maximum cooling water flow

    Dpn-pressure drop of recirculating cooling water Dts-overheat temperature


    U SHAPED TUBE DRY EVAPORATOR (SINGLE CIRCUIT)


    CAPACITY: 120KW TO 270KW


    ModelsQXU120S8QXU135S8QXU155S8QXU185S10QXU220S10QXU270S10

    Rated data

    Refrigerant R22

    ti=12°C te=2°C

    tu=7°C Dts=5°C

    QnKW120135155185220270
    Kcal/h(×103 )103.2116133.3159180232
    Wnm3 /h20.323.226.731.837.846.4
    Wmm3 /h252830414365
    Dpnbar0.410.440.370.360.430.42

    ModelsQXU120S8QXU135S8QXU155S8QXU185S10QXU220S10QXU270S10
    Dimension(mm)A181521152315232026542654
    B219219219273273273
    C180180180200234234
    D153018302030200022802280
    E240240240300300300
    VentS11/21/21/21/21/21/2
    OutletS21/21/21/21/21/21/2
    ConnectionW(DN)808080100100100
    D1(mm)353535353535
    D2(mm)545467678080
    P(kg)145155163232279289

    Qn-rated refrigerating capacity Wn-cooling water flow Wm-maximum cooling water flow

    Dpn-pressure drop of recirculating cooling water Dts-overheat temperature


    CONDENSER SERIES SINGLE CIRCUIT


    CAPACITY: 40RT TO 70RT


    ModelRefrig. ton (RT)Refrig. ton (104kcal/h)Dimension (mm)Weight (kg)Max. water flow
    DT1TACEH1H2
    QXC40S10A4015.122731600205312036015035024020431
    QXC45S10A4517.012731600205312036015035024021235
    QXC50S10A5018.902732032248512036015035024024038.5
    QXC55S10A5520.792732032248512036015035024024942.5
    QXC60S10A6022.682732032248512036015035024025646
    QXC65S10A6524.572732032248512036015035024026449.2
    QXC70S10A7026.462732032248512036015035024027053.5

    ModelS (Vent)

    P (fluoride inlet)

    Copper pipe diameter (inch)

    L(fluoride outlet)

    Copper pipe diameter (inch)

    W (standard port)W (optional port)
    FPT(inner pipe thread)Male flangeMale flange
    QXC40S10A3/81-5/81-1/8DN65DN65
    QXC45S10A3/81-5/81-1/8DN65DN65
    QXC50S10A3/81-5/81-1/8DN65DN80
    QXC55S10A3/81-5/81-1/8DN65DN80
    QXC60S10A3/81-5/81-3/8DN65DN80
    QXC65S10A3/81-5/81-3/8DN65DN80
    QXC70S10A3/82-1/81-3/8DN80DN80


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